{
  "schema_version": 1,
  "as_of": "2026-11-02",
  "amount_unit": "万円",
  "verification": "添付計算スクリプトをネットワークなしで再実行。A17件、B90年次、C17件は配布結果と一致。ファイル一覧のハッシュ121件一致。一次資料への追加アクセスは行っていない。",
  "source_files_sha256": {
    "house_cost_validation_20261102/estimate_inputs.json": "e864937d3ed3cc769910ee71d7f1184ebce3a973fafd49a1fb6e1b4f365bfa6d",
    "house_cost_validation_20261102/recalculate.py": "40427f48f254213f47f0374ec680e31a57a5105710788a103e8a23b4e2eac619",
    "housemaker_reassessment/methodology/model_inputs.json": "a5a52cc12ba2ad575718db4c5d2c33601db60be10246d0d61b90b07ddaedf63a",
    "housemaker_reassessment/methodology/recalculate.py": "0620252e0586defec4ee6cd9842464b51d7981e85bf063d5adaf956e636e9096",
    "housemaker_202611/data/inputs.json": "810fb9603473370f2a487f4657cec1883a0206cb293181be68aa521b77475d25",
    "housemaker_202611/calculation/reproduce.py": "b0e90055a6e34880b1cda854c56ce9e4f7bb9954b6707acd6a5875271026a324",
    "housemaker_202611/notes/evidence_review.txt": "4299e2b837bd326a177beac12c8f318a6115f73c1503544806f8e0ffe4517052",
    "housemaker_202611/notes/methodology_review.txt": "4e23451326a0a398eab5b1132e8ad59168ecb6101a58a23bb9a943ab021d6ed7"
  },
  "local": {
    "global_settings": {
      "tsubo_to_m2": 3.3057851239669422,
      "reference_area_tsubo": 40,
      "storey_height_m": 3,
      "wall_opening_ratio": 0.15,
      "floorheat_mat_m2": 90,
      "thermal_3f_factor": 1.0,
      "se_3f_factor": 1.15,
      "opening_3f_factor": 1.1,
      "loan_fraction": 0.8,
      "loan_fee_rate_gross": 0.022,
      "bridge_annual_rate": 0.02,
      "bridge_years": 0.25,
      "registration_man": 35,
      "insurance_man": 25,
      "stamp_man": 3,
      "water_man": 20,
      "aftercare_reserve_man": 100
    },
    "parameters": [
      {
        "id": "base_w5",
        "label": "木造G5・40坪2階の統合基準",
        "unit": "万円/式",
        "low": 2700,
        "central": 3050,
        "high": 3550,
        "source_ids": [
          "W001",
          "W003",
          "W004",
          "W005"
        ],
        "rationale": "標準内外装・住宅設備、耐震等級3を満たす構造、通常設計・構造検討・確認申請、仮設・普通の敷地内屋外給排水、施工管理・利益を含む。照明・空調等を別枠に正規化。",
        "category": "基準建物",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "base_w6",
        "label": "木造G6・40坪2階の統合基準",
        "unit": "万円/式",
        "low": 3000,
        "central": 3400,
        "high": 4000,
        "source_ids": [
          "W001",
          "W002",
          "W003",
          "W005",
          "W006",
          "W007",
          "W004"
        ],
        "rationale": "G6を満たす断熱・窓を含む。公開価格の未確定付帯、面積定義、上質な施工体制を勘案した判断中心。広告平均ではない。通常設計・普通付帯は再加算しない。",
        "category": "基準建物",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "base_s5",
        "label": "鉄骨G5・40坪2階の統合基準",
        "unit": "万円/式",
        "low": 4200,
        "central": 5000,
        "high": 6000,
        "source_ids": [
          "ST04",
          "ST05",
          "ST06",
          "ST07",
          "ST09",
          "ST10"
        ],
        "rationale": "一般S造の標準外壁・内装設備、上階ALC床等、通常基礎・構造設計・確認・普通付帯・施工管理利益を含む。メーカー独自の軽量鉄骨ユニット/制震工法の複製価格ではない。G5適合は調達条件であり実例の全てで確認済みではない。",
        "category": "基準建物",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "floor3_w",
        "label": "木造・同面積3階化",
        "unit": "万円/式",
        "low": 200,
        "central": 350,
        "high": 600,
        "source_ids": [
          "W005",
          "W102",
          "W103",
          "W113",
          "W114"
        ],
        "rationale": "階段・基礎/構造・鉛直配管・通常設計/仮設増分をまとめる。同面積の通常3階化。準防火/耐火、狭小施工、車庫等の特殊条件は含まない。200は1社の公表オプション、350/600は判断。",
        "category": "階数",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "floor3_s",
        "label": "鉄骨・同面積3階化",
        "unit": "万円/式",
        "low": 300,
        "central": 400,
        "high": 600,
        "source_ids": [
          "ST01",
          "ST04",
          "ST05",
          "ST09"
        ],
        "rationale": "基準S造に対する通常の階段・構造・基礎/配管・設計増分。2階と3階で全く同じ平面・構造の成約対がないため判断仮定。",
        "category": "階数",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "thermal_w7",
        "label": "木造G6からG7への差額",
        "unit": "万円/式",
        "low": 230,
        "central": 400,
        "high": 650,
        "source_ids": [
          "R01",
          "R02",
          "R03",
          "W005"
        ],
        "rationale": "同社グレード差396/400/600万円と横浜市120㎡モデルのG6→G7差188万円を照合。下側は面積/時点補正約225を丸める。G7窓を含み普通窓を再計上しない。",
        "category": "断熱",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "thermal_s6",
        "label": "鉄骨G5からG6への差額",
        "unit": "万円/式",
        "low": 100,
        "central": 150,
        "high": 280,
        "source_ids": [
          "R01",
          "R23",
          "R24",
          "ST06"
        ],
        "rationale": "連続断熱・熱橋処理・窓等の増分予算。鉄骨同一プランの実測差額は得られず、木造の差額をそのまま流用しない設計予算。低確度。",
        "category": "断熱",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "structure_se",
        "label": "SE等による大空間の構造差額",
        "unit": "万円/式",
        "low": 100,
        "central": 180,
        "high": 300,
        "source_ids": [
          "R07",
          "R08",
          "W118",
          "W119"
        ],
        "rationale": "耐震3を満たす標準構造との差。30坪で約100万円の公表比較を下側参考に、40坪・大開口/接合部・構造設計差を勘案。窓製品差は別。",
        "category": "構造",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "structure_open",
        "label": "中程度の大開口構造差額",
        "unit": "万円/式",
        "low": 60,
        "central": 100,
        "high": 180,
        "source_ids": [
          "R07",
          "R21"
        ],
        "rationale": "アキュラ相当の適度な大空間を在来/適切な強化構法でつくる予算。企業固有工法の価格ではない。",
        "category": "構造",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "windows_upgrade",
        "label": "大開口窓の製品差額",
        "unit": "万円/式",
        "low": 50,
        "central": 100,
        "high": 180,
        "source_ids": [
          "W118",
          "W119",
          "R07"
        ],
        "rationale": "標準断熱窓を含む基準から、LDK等1〜2か所を大きくする材料・施工差額の予算。開口寸法未確定。構造補強費を含めない。",
        "category": "開口",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "tile_standard",
        "label": "標準外壁から全面タイルへの差額",
        "unit": "万円/外壁㎡",
        "low": 0.7,
        "central": 1.1,
        "high": 1.7,
        "source_ids": [
          "R06"
        ],
        "rationale": "公表キャンペーンの40施工坪差167.2万円を下側〜中心の照合に使用。通常サイディングを差し引いた材工差。商品・張り方・下地・地域差を含む仮定。",
        "category": "外壁",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "tile_premium",
        "label": "意匠性の高い陶板/タイル等への差額",
        "unit": "万円/外壁㎡",
        "low": 1.0,
        "central": 1.6,
        "high": 2.4,
        "source_ids": [
          "R06",
          "R28"
        ],
        "rationale": "表情・厚み・耐久性を重視する市販外装による代替予算。ベルバーン/ダインそのもの、同一補修制度や性能を再現する見積りではない。",
        "category": "外壁",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "alc_wall_delta",
        "label": "標準外壁からALC外壁への差額",
        "unit": "万円/外壁㎡",
        "low": 0.6,
        "central": 1.0,
        "high": 1.6,
        "source_ids": [
          "ST21",
          "ST22",
          "ST23",
          "R24"
        ],
        "rationale": "ALCパネル・取付・塗装/目地等と標準外壁の差額。上階ALC床はS基準内。2026材工設計価格100mm平板1.61万円/㎡税別を桁の検算に利用。塗装/シール範囲や実勢値引き不明で差額自体の実証ではない。断熱増額は別枠。",
        "category": "外壁",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "interior_shwood",
        "label": "上質内装・設備差（積水木造目標）",
        "unit": "万円/式",
        "low": 180,
        "central": 300,
        "high": 500,
        "source_ids": [
          "W004",
          "W107",
          "R17",
          "R18",
          "R19"
        ],
        "rationale": "標準との差額：床60、建具45、水回り80、造作65、壁天井50を中心配分。数量/発注値引き未確定の予算であり実見積りではない。設計料は含めない。",
        "category": "内装",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "interior_sum",
        "label": "木質内装・設備差（住友林業目標）",
        "unit": "万円/式",
        "low": 240,
        "central": 380,
        "high": 650,
        "source_ids": [
          "W004",
          "W107",
          "W108",
          "W118",
          "R17",
          "R18",
          "R19"
        ],
        "rationale": "標準との差額：床85、建具60、水回り100、造作80、壁天井55を中心配分。自然素材の高位商品一式価格と全体水準を照合。",
        "category": "内装",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "interior_shsteel",
        "label": "上質内装・設備差（積水鉄骨目標）",
        "unit": "万円/式",
        "low": 150,
        "central": 250,
        "high": 420,
        "source_ids": [
          "W004",
          "ST07",
          "R17",
          "R18",
          "R19"
        ],
        "rationale": "標準との差額：床50、建具40、水回り70、造作55、壁天井35を中心配分。材料・施工差のみ。",
        "category": "内装",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "interior_hebel",
        "label": "内装・設備差（ヘーベル目標）",
        "unit": "万円/式",
        "low": 70,
        "central": 150,
        "high": 270,
        "source_ids": [
          "ST06",
          "ST07",
          "R17",
          "R19"
        ],
        "rationale": "標準との差額：床30、建具25、水回り45、造作30、壁天井20を中心配分。高級設計住宅への全面置換はしない。",
        "category": "内装",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "design_extra_high",
        "label": "追加意匠・造作設計",
        "unit": "万円/式",
        "low": 50,
        "central": 90,
        "high": 160,
        "source_ids": [
          "W004",
          "W014",
          "ST18"
        ],
        "rationale": "通常設計に加える展開図・造作納まり・追加コーディネートの差額予算。材料費は別。独立建築家の全設計料を再加算するものではない。",
        "category": "追加サービス",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "design_extra_std",
        "label": "標準範囲を超える追加設計の感度",
        "unit": "万円/式",
        "low": 0,
        "central": 0,
        "high": 50,
        "source_ids": [
          "W001",
          "W007"
        ],
        "rationale": "標準設計・通常の内装打合せは基準に含むため中心0。高側のみ追加業務発生を想定。",
        "category": "追加サービス",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "inspection_extra",
        "label": "追加第三者検査・記録/評価関連予算",
        "unit": "万円/式",
        "low": 40,
        "central": 50,
        "high": 75,
        "source_ids": [
          "R14",
          "ST13"
        ],
        "rationale": "中心は追加第三者検査40＋記録/評価関連10の予算。法定/瑕疵保険検査は基準内。正式性能評価の費用は計算図書次第で変動し10万円で一律取得できるとの意味ではない。同等監査が標準の場合は重複控除。",
        "category": "追加サービス",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "floorheat_panel",
        "label": "温水床暖房パネル・敷設等",
        "unit": "万円/敷設㎡",
        "low": 2.0,
        "central": 3.0,
        "high": 3.8,
        "source_ids": [
          "R09",
          "R10",
          "R11"
        ],
        "rationale": "FHS公表パネル3.3万円/施工㎡、ツツミ部材価格等を照合した新築増分予算。標準床仕上げを再計上せず、配管敷設等を含む想定。実施工範囲・掛率未確認。",
        "category": "空調",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "floorheat_heat_controls",
        "label": "床暖房熱源・制御・接続",
        "unit": "万円/式",
        "low": 80,
        "central": 110,
        "high": 160,
        "source_ids": [
          "R11",
          "R12"
        ],
        "rationale": "ヒートポンプ2系統程度・制御・分岐/接続を想定。能力は熱負荷計算で決定。暖房用熱源を給湯器と混同せず、冷房エアコンは別枠。",
        "category": "空調",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "floorheat_vertical",
        "label": "3階床暖房配管/制御増分",
        "unit": "万円/式",
        "low": 10,
        "central": 30,
        "high": 60,
        "source_ids": [
          "R09",
          "R11"
        ],
        "rationale": "同じ敷設面積の3階化に伴う分岐・鉛直配管・制御の判断予算。",
        "category": "空調",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "climate_firstfloor",
        "label": "1階専用空調の機能代替",
        "unit": "万円/式",
        "low": 90,
        "central": 120,
        "high": 170,
        "source_ids": [
          "R13"
        ],
        "rationale": "ハイム快適エアリー等の専用品を複製せず、1階を均質に冷暖房する市販システムの予算。普通1階エアコン分は入居設備から控除。",
        "category": "空調",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "pv_fixed",
        "label": "太陽光固定施工費",
        "unit": "万円/式",
        "low": 20,
        "central": 25,
        "high": 35,
        "source_ids": [
          "ENERGY01",
          "ENERGY06",
          "ENERGY13",
          "ENERGY14",
          "ENERGY18"
        ],
        "rationale": "通常の屋根への新設・補助金前。PV容量0なら0。公的平均一律単価ではなく公開実販を照合した固定費。",
        "category": "創エネ",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "pv_per_kw",
        "label": "太陽光容量比例費",
        "unit": "万円/kW",
        "low": 20,
        "central": 22,
        "high": 30,
        "source_ids": [
          "ENERGY01",
          "ENERGY02",
          "ENERGY06",
          "ENERGY13",
          "ENERGY18"
        ],
        "rationale": "設備・標準施工込みの容量分。元記事32万円/kWは税込公的平均31.79と整合し誤りではない。本モデルは工務店/専門施工の調達条件を想定。",
        "category": "創エネ",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "bat7",
        "label": "蓄電池約7.04kWh",
        "unit": "万円/式",
        "low": 130,
        "central": 160,
        "high": 210,
        "source_ids": [
          "ENERGY04",
          "ENERGY05",
          "ENERGY07"
        ],
        "rationale": "公称容量を合わせた新品の設備・標準施工費。使える容量、定格出力、全負荷/特定負荷は商品次第。",
        "category": "創エネ",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "bat13",
        "label": "蓄電池約13.2kWh",
        "unit": "万円/式",
        "low": 180,
        "central": 210,
        "high": 275,
        "source_ids": [
          "ENERGY05",
          "ENERGY06",
          "ENERGY07",
          "ENERGY13",
          "ENERGY14"
        ],
        "rationale": "公称容量を合わせる。専門業者実販と共同購入を参考に、工務店経由の条件差を含む。",
        "category": "創エネ",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "shared_credit",
        "label": "PV・蓄電池同時施工調整",
        "unit": "万円/式",
        "low": -30,
        "central": -25,
        "high": -10,
        "source_ids": [
          "ENERGY06",
          "ENERGY13",
          "ENERGY14"
        ],
        "rationale": "両方導入時のみ控除。共通施工/一体PCS等の調整を仮定。入札のセット割差が純粋なPCS費と実証されたわけではない。",
        "category": "創エネ",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "hems",
        "label": "独立HEMS増分",
        "unit": "万円/式",
        "low": 10,
        "central": 15,
        "high": 25,
        "source_ids": [
          "ENERGY11",
          "ENERGY12"
        ],
        "rationale": "元記事で明示する積水鉄骨に付加。PV/蓄電池の通常モニターはそれぞれの価格内。",
        "category": "創エネ",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "external",
        "label": "通常外構・駐車2台",
        "unit": "万円/式",
        "low": 200,
        "central": 250,
        "high": 350,
        "source_ids": [
          "W005",
          "O03"
        ],
        "rationale": "平坦な50〜60坪敷地、普通土間/門柱/アプローチ等。中心は比較条件として250を維持。高級庭園・擁壁・大型カーポートは除く。",
        "category": "共通",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "fitout",
        "label": "入居設備（空調・照明・カーテン）",
        "unit": "万円/式",
        "low": 100,
        "central": 120,
        "high": 150,
        "source_ids": [
          "W002",
          "W007",
          "O03"
        ],
        "rationale": "通常AC約60・照明30・カーテン30を中心とする分析予算。統合基準の正規化で既存照明/LD空調を控除した上で一度加算。",
        "category": "共通",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      },
      {
        "id": "fitout_heim",
        "label": "入居設備（1階専用空調あり）",
        "unit": "万円/式",
        "low": 75,
        "central": 90,
        "high": 120,
        "source_ids": [
          "W007",
          "R13",
          "O03"
        ],
        "rationale": "普通1階ACの中心30を控除。2/3階AC・照明・カーテンを含む。",
        "category": "共通",
        "evidence_status": "分析者設定。出典は設定根拠であり、この単価自体の成約観測ではない"
      }
    ],
    "cases": [
      {
        "id": "sekisui_house_wood_2f",
        "series": "sekisui_house_wood",
        "label": "積水ハウス 木造 2階",
        "company": "積水ハウス",
        "structure": "wood",
        "floors": 2,
        "area_tsubo": 40,
        "base_parameter": "base_w5",
        "grade": "G5",
        "pv_kw": 4.0,
        "battery_kwh": 0.0,
        "design_class": "高",
        "note": "意匠陶板系外装・大開口・上質内装。SHAWOOD/ベルバーンそのものは対象外。",
        "original_local_man": 5380.9008,
        "original_maker_man": 5926.552,
        "original_local_low_man": 4276.102624,
        "original_local_high_man": 6671.71608,
        "original_components": {
          "local_base": 2700.0,
          "structure_add": 250.0,
          "facade_add": 450.0,
          "interior_equipment_add": 550.0,
          "local_site": 210.0,
          "local_design_base": 220.0,
          "design_service_add": 80.0,
          "interior_planning_add": 80.0,
          "inspection_records_add": 50.0,
          "local_climate_add": 0.0,
          "local_energy": 128.0,
          "aftercare_reserve": 100.0
        },
        "comparability": "近似仕様・個別図面未確認"
      },
      {
        "id": "sekisui_house_wood_3f",
        "series": "sekisui_house_wood",
        "label": "積水ハウス 木造 3階",
        "company": "積水ハウス",
        "structure": "wood",
        "floors": 3,
        "area_tsubo": 40,
        "base_parameter": "base_w5",
        "grade": "G5",
        "pv_kw": 2.6666666666666665,
        "battery_kwh": 0.0,
        "design_class": "高",
        "note": "意匠陶板系外装・大開口・上質内装。SHAWOOD/ベルバーンそのものは対象外。 3階は商品対応・屋根/構造/法規の条件付きシナリオ。",
        "original_local_man": 5888.976533,
        "original_maker_man": 6427.136,
        "original_local_low_man": 4681.401696,
        "original_local_high_man": 7290.11832,
        "original_components": {
          "local_base": 3150.0,
          "structure_add": 250.0,
          "facade_add": 450.0,
          "interior_equipment_add": 550.0,
          "local_site": 250.0,
          "local_design_base": 270.0,
          "design_service_add": 80.0,
          "interior_planning_add": 80.0,
          "inspection_records_add": 50.0,
          "local_climate_add": 0.0,
          "local_energy": 85.333333,
          "aftercare_reserve": 100.0
        },
        "comparability": "条件付き機能代替"
      },
      {
        "id": "sumitomo_forestry_wood_2f",
        "series": "sumitomo_forestry_wood",
        "label": "住友林業 木造 2階",
        "company": "住友林業",
        "structure": "wood",
        "floors": 2,
        "area_tsubo": 40,
        "base_parameter": "base_w6",
        "grade": "G6",
        "pv_kw": 5.0,
        "battery_kwh": 0.0,
        "design_class": "高",
        "note": "SE等の大空間・上質木質内装。BF構法そのものは対象外。",
        "original_local_man": 5566.832,
        "original_maker_man": 5727.34,
        "original_local_low_man": 4424.12896,
        "original_local_high_man": 6900.2232,
        "original_components": {
          "local_base": 3000.0,
          "structure_add": 400.0,
          "facade_add": 0.0,
          "interior_equipment_add": 700.0,
          "local_site": 210.0,
          "local_design_base": 220.0,
          "design_service_add": 80.0,
          "interior_planning_add": 80.0,
          "inspection_records_add": 50.0,
          "local_climate_add": 0.0,
          "local_energy": 160.0,
          "aftercare_reserve": 100.0
        },
        "comparability": "近似仕様・個別図面未確認"
      },
      {
        "id": "sumitomo_forestry_wood_3f",
        "series": "sumitomo_forestry_wood",
        "label": "住友林業 木造 3階",
        "company": "住友林業",
        "structure": "wood",
        "floors": 3,
        "area_tsubo": 40,
        "base_parameter": "base_w6",
        "grade": "G6",
        "pv_kw": 3.3333333333333335,
        "battery_kwh": 0.0,
        "design_class": "高",
        "note": "SE等の大空間・上質木質内装。BF構法そのものは対象外。 3階は商品対応・屋根/構造/法規の条件付きシナリオ。",
        "original_local_man": 6268.330667,
        "original_maker_man": 6428.838667,
        "original_local_low_man": 4984.29792,
        "original_local_high_man": 7749.7464,
        "original_components": {
          "local_base": 3450.0,
          "structure_add": 600.0,
          "facade_add": 0.0,
          "interior_equipment_add": 700.0,
          "local_site": 250.0,
          "local_design_base": 270.0,
          "design_service_add": 80.0,
          "interior_planning_add": 80.0,
          "inspection_records_add": 50.0,
          "local_climate_add": 0.0,
          "local_energy": 106.666667,
          "aftercare_reserve": 100.0
        },
        "comparability": "条件付き機能代替"
      },
      {
        "id": "sekisui_heim_wood_2f",
        "series": "sekisui_heim_wood",
        "label": "ハイム 木造 2階",
        "company": "セキスイハイム",
        "structure": "wood",
        "floors": 2,
        "area_tsubo": 40,
        "base_parameter": "base_w6",
        "grade": "G6",
        "pv_kw": 7.0,
        "battery_kwh": 13.2,
        "design_class": "標準",
        "note": "タイル外装・太陽光7kW/蓄電池13.2kWh。工場ユニット施工の同一性は対象外。",
        "original_local_man": 4986.76752,
        "original_maker_man": 4991.384468,
        "original_local_low_man": 3957.678666,
        "original_local_high_man": 6222.136152,
        "original_components": {
          "local_base": 3000.0,
          "structure_add": 0.0,
          "facade_add": 400.0,
          "interior_equipment_add": 0.0,
          "local_site": 210.0,
          "local_design_base": 220.0,
          "design_service_add": 20.0,
          "interior_planning_add": 30.0,
          "inspection_records_add": 50.0,
          "local_climate_add": 0.0,
          "local_energy": 402.2,
          "aftercare_reserve": 100.0
        },
        "comparability": "近似仕様・個別図面未確認"
      },
      {
        "id": "ichijo_wood_2f",
        "series": "ichijo_wood",
        "label": "一条 木造 2階",
        "company": "一条工務店",
        "structure": "wood",
        "floors": 2,
        "area_tsubo": 40,
        "base_parameter": "base_w6",
        "grade": "G7",
        "pv_kw": 13.475,
        "battery_kwh": 7.04,
        "design_class": "標準",
        "note": "G7・全館温水床暖房・全面タイル・大容量創エネ。床下エアコンへの置換はしない。",
        "original_local_man": 5419.966784,
        "original_maker_man": 4623.518713,
        "original_local_low_man": 4301.574092,
        "original_local_high_man": 6761.955158,
        "original_components": {
          "local_base": 3000.0,
          "structure_add": 350.0,
          "facade_add": 100.0,
          "interior_equipment_add": 250.0,
          "local_site": 210.0,
          "local_design_base": 220.0,
          "design_service_add": 20.0,
          "interior_planning_add": 30.0,
          "inspection_records_add": 50.0,
          "local_climate_add": 0.0,
          "local_energy": 526.24,
          "aftercare_reserve": 100.0
        },
        "comparability": "近似仕様・個別図面未確認"
      },
      {
        "id": "ichijo_wood_3f",
        "series": "ichijo_wood",
        "label": "一条 木造 3階",
        "company": "一条工務店",
        "structure": "wood",
        "floors": 3,
        "area_tsubo": 40,
        "base_parameter": "base_w6",
        "grade": "G7",
        "pv_kw": 8.983333333333333,
        "battery_kwh": 7.04,
        "design_class": "標準",
        "note": "G7・全館温水床暖房・全面タイル・大容量創エネ。床下エアコンへの置換はしない。 3階は商品対応・屋根/構造/法規の条件付きシナリオ。",
        "original_local_man": 6029.112811,
        "original_maker_man": 5209.236046,
        "original_local_low_man": 4789.707992,
        "original_local_high_man": 7486.802294,
        "original_components": {
          "local_base": 3450.0,
          "structure_add": 550.0,
          "facade_add": 100.0,
          "interior_equipment_add": 250.0,
          "local_site": 250.0,
          "local_design_base": 270.0,
          "design_service_add": 20.0,
          "interior_planning_add": 30.0,
          "inspection_records_add": 50.0,
          "local_climate_add": 0.0,
          "local_energy": 382.506667,
          "aftercare_reserve": 100.0
        },
        "comparability": "条件付き機能代替"
      },
      {
        "id": "aqura_wood_2f",
        "series": "aqura_wood",
        "label": "アキュラ 木造 2階",
        "company": "アキュラホーム",
        "structure": "wood",
        "floors": 2,
        "area_tsubo": 40,
        "base_parameter": "base_w6",
        "grade": "G6",
        "pv_kw": 0.0,
        "battery_kwh": 0.0,
        "design_class": "標準",
        "note": "G6・適度な大空間/大開口。独自構法の複製ではない。",
        "original_local_man": 4320.48,
        "original_maker_man": 4214.3504,
        "original_local_low_man": 3432.9744,
        "original_local_high_man": 5360.148,
        "original_components": {
          "local_base": 3000.0,
          "structure_add": 150.0,
          "facade_add": 0.0,
          "interior_equipment_add": 0.0,
          "local_site": 210.0,
          "local_design_base": 220.0,
          "design_service_add": 20.0,
          "interior_planning_add": 30.0,
          "inspection_records_add": 50.0,
          "local_climate_add": 0.0,
          "local_energy": 0.0,
          "aftercare_reserve": 100.0
        },
        "comparability": "近似仕様・個別図面未確認"
      },
      {
        "id": "aqura_wood_3f",
        "series": "aqura_wood",
        "label": "アキュラ 木造 3階",
        "company": "アキュラホーム",
        "structure": "wood",
        "floors": 3,
        "area_tsubo": 40,
        "base_parameter": "base_w6",
        "grade": "G6",
        "pv_kw": 0.0,
        "battery_kwh": 0.0,
        "design_class": "標準",
        "note": "G6・適度な大空間/大開口。独自構法の複製ではない。 3階は商品対応・屋根/構造/法規の条件付きシナリオ。",
        "original_local_man": 4923.224,
        "original_maker_man": 4817.0944,
        "original_local_low_man": 3913.11472,
        "original_local_high_man": 6098.8524,
        "original_components": {
          "local_base": 3450.0,
          "structure_add": 200.0,
          "facade_add": 0.0,
          "interior_equipment_add": 0.0,
          "local_site": 250.0,
          "local_design_base": 270.0,
          "design_service_add": 20.0,
          "interior_planning_add": 30.0,
          "inspection_records_add": 50.0,
          "local_climate_add": 0.0,
          "local_energy": 0.0,
          "aftercare_reserve": 100.0
        },
        "comparability": "条件付き機能代替"
      },
      {
        "id": "tama_wood_2f",
        "series": "tama_wood",
        "label": "タマ 木造 2階",
        "company": "タマホーム",
        "structure": "wood",
        "floors": 2,
        "area_tsubo": 40,
        "base_parameter": "base_w5",
        "grade": "G5",
        "pv_kw": 0.0,
        "battery_kwh": 0.0,
        "design_class": "標準",
        "note": "G5・耐震等級3。標準工務店仕様を基本とし高級意匠化しない。",
        "original_local_man": 3911.84,
        "original_maker_man": 3440.9992,
        "original_local_low_man": 3106.2352,
        "original_local_high_man": 4868.484,
        "original_components": {
          "local_base": 2700.0,
          "structure_add": 50.0,
          "facade_add": 0.0,
          "interior_equipment_add": 0.0,
          "local_site": 210.0,
          "local_design_base": 220.0,
          "design_service_add": 20.0,
          "interior_planning_add": 30.0,
          "inspection_records_add": 50.0,
          "local_climate_add": 0.0,
          "local_energy": 0.0,
          "aftercare_reserve": 100.0
        },
        "comparability": "近似仕様・個別図面未確認"
      },
      {
        "id": "tama_wood_3f",
        "series": "tama_wood",
        "label": "タマ 木造 3階",
        "company": "タマホーム",
        "structure": "wood",
        "floors": 3,
        "area_tsubo": 40,
        "base_parameter": "base_w5",
        "grade": "G5",
        "pv_kw": 0.0,
        "battery_kwh": 0.0,
        "design_class": "標準",
        "note": "G5・耐震等級3。標準工務店仕様を基本とし高級意匠化しない。 3階は商品対応・屋根/構造/法規の条件付きシナリオ。",
        "original_local_man": 4463.504,
        "original_maker_man": 3992.6632,
        "original_local_low_man": 3545.53312,
        "original_local_high_man": 5545.7304,
        "original_components": {
          "local_base": 3150.0,
          "structure_add": 50.0,
          "facade_add": 0.0,
          "interior_equipment_add": 0.0,
          "local_site": 250.0,
          "local_design_base": 270.0,
          "design_service_add": 20.0,
          "interior_planning_add": 30.0,
          "inspection_records_add": 50.0,
          "local_climate_add": 0.0,
          "local_energy": 0.0,
          "aftercare_reserve": 100.0
        },
        "comparability": "条件付き機能代替"
      },
      {
        "id": "sekisui_house_steel_2f",
        "series": "sekisui_house_steel",
        "label": "積水ハウス 鉄骨 2階",
        "company": "積水ハウス",
        "structure": "steel",
        "floors": 2,
        "area_tsubo": 40,
        "base_parameter": "base_s5",
        "grade": "G5",
        "pv_kw": 5.0,
        "battery_kwh": 0.0,
        "design_class": "高",
        "note": "意匠外壁・上質内装。独自軽量鉄骨/制震とダインそのものの複製ではない。3階へのダイン適用は想定しない。",
        "original_local_man": 7160.528,
        "original_maker_man": 5928.0844,
        "original_local_low_man": 5418.71184,
        "original_local_high_man": 9111.7128,
        "original_components": {
          "local_base": 4800.0,
          "structure_add": 0.0,
          "facade_add": 400.0,
          "interior_equipment_add": 350.0,
          "local_site": 230.0,
          "local_design_base": 310.0,
          "design_service_add": 80.0,
          "interior_planning_add": 80.0,
          "inspection_records_add": 50.0,
          "local_climate_add": 0.0,
          "local_energy": 160.0,
          "aftercare_reserve": 100.0
        },
        "comparability": "条件付き機能代替"
      },
      {
        "id": "sekisui_house_steel_3f",
        "series": "sekisui_house_steel",
        "label": "積水ハウス 鉄骨 3階",
        "company": "積水ハウス",
        "structure": "steel",
        "floors": 3,
        "area_tsubo": 40,
        "base_parameter": "base_s5",
        "grade": "G5",
        "pv_kw": 3.3333333333333335,
        "battery_kwh": 0.0,
        "design_class": "高",
        "note": "意匠外壁・上質内装。独自軽量鉄骨/制震とダインそのものの複製ではない。3階へのダイン適用は想定しない。 3階は商品対応・屋根/構造/法規の条件付きシナリオ。",
        "original_local_man": 7810.946667,
        "original_maker_man": 6631.626267,
        "original_local_low_man": 5908.0384,
        "original_local_high_man": 9929.778,
        "original_components": {
          "local_base": 5400.0,
          "structure_add": 0.0,
          "facade_add": 400.0,
          "interior_equipment_add": 350.0,
          "local_site": 270.0,
          "local_design_base": 360.0,
          "design_service_add": 80.0,
          "interior_planning_add": 80.0,
          "inspection_records_add": 50.0,
          "local_climate_add": 0.0,
          "local_energy": 106.666667,
          "aftercare_reserve": 100.0
        },
        "comparability": "条件付き機能代替"
      },
      {
        "id": "hebel_steel_2f",
        "series": "hebel_steel",
        "label": "ヘーベル 鉄骨 2階",
        "company": "ヘーベルハウス",
        "structure": "steel",
        "floors": 2,
        "area_tsubo": 40,
        "base_parameter": "base_s5",
        "grade": "G6",
        "pv_kw": 5.0,
        "battery_kwh": 0.0,
        "design_class": "標準",
        "note": "G6・ALC外壁/上階床・中上位内装。メーカー固有の耐火/遮音/制震認定の同一性は未確認。",
        "original_local_man": 6945.992,
        "original_maker_man": 6105.86721,
        "original_local_low_man": 5254.37376,
        "original_local_high_man": 8832.0892,
        "original_components": {
          "local_base": 4800.0,
          "structure_add": 0.0,
          "facade_add": 350.0,
          "interior_equipment_add": 300.0,
          "local_site": 230.0,
          "local_design_base": 310.0,
          "design_service_add": 20.0,
          "interior_planning_add": 30.0,
          "inspection_records_add": 50.0,
          "local_climate_add": 0.0,
          "local_energy": 160.0,
          "aftercare_reserve": 100.0
        },
        "comparability": "条件付き機能代替"
      },
      {
        "id": "hebel_steel_3f",
        "series": "hebel_steel",
        "label": "ヘーベル 鉄骨 3階",
        "company": "ヘーベルハウス",
        "structure": "steel",
        "floors": 3,
        "area_tsubo": 40,
        "base_parameter": "base_s5",
        "grade": "G6",
        "pv_kw": 3.3333333333333335,
        "battery_kwh": 0.0,
        "design_class": "標準",
        "note": "G6・ALC外壁/上階床・中上位内装。メーカー固有の耐火/遮音/制震認定の同一性は未確認。 3階は商品対応・屋根/構造/法規の条件付きシナリオ。",
        "original_local_man": 7596.410667,
        "original_maker_man": 6674.557877,
        "original_local_low_man": 5743.70032,
        "original_local_high_man": 9650.1544,
        "original_components": {
          "local_base": 5400.0,
          "structure_add": 0.0,
          "facade_add": 350.0,
          "interior_equipment_add": 300.0,
          "local_site": 270.0,
          "local_design_base": 360.0,
          "design_service_add": 20.0,
          "interior_planning_add": 30.0,
          "inspection_records_add": 50.0,
          "local_climate_add": 0.0,
          "local_energy": 106.666667,
          "aftercare_reserve": 100.0
        },
        "comparability": "条件付き機能代替"
      },
      {
        "id": "sekisui_heim_steel_2f",
        "series": "sekisui_heim_steel",
        "label": "ハイム 鉄骨 2階",
        "company": "セキスイハイム",
        "structure": "steel",
        "floors": 2,
        "area_tsubo": 40,
        "base_parameter": "base_s5",
        "grade": "G6",
        "pv_kw": 7.0,
        "battery_kwh": 13.2,
        "design_class": "標準",
        "note": "G6・タイル・1階専用空調・太陽光/蓄電池。ユニット工法の同一性は対象外。3階G6は設計条件。",
        "original_local_man": 7067.25592,
        "original_maker_man": 5029.5872,
        "original_local_low_man": 5352.664618,
        "original_local_high_man": 9008.145492,
        "original_components": {
          "local_base": 4800.0,
          "structure_add": 0.0,
          "facade_add": 400.0,
          "interior_equipment_add": 0.0,
          "local_site": 230.0,
          "local_design_base": 310.0,
          "design_service_add": 20.0,
          "interior_planning_add": 30.0,
          "inspection_records_add": 50.0,
          "local_climate_add": 126.5,
          "local_energy": 402.2,
          "aftercare_reserve": 100.0
        },
        "comparability": "条件付き機能代替"
      },
      {
        "id": "sekisui_heim_steel_3f",
        "series": "sekisui_heim_steel",
        "label": "ハイム 鉄骨 3階",
        "company": "セキスイハイム",
        "structure": "steel",
        "floors": 3,
        "area_tsubo": 40,
        "base_parameter": "base_s5",
        "grade": "G6",
        "pv_kw": 4.666666666666667,
        "battery_kwh": 13.2,
        "design_class": "標準",
        "note": "G6・タイル・1階専用空調・太陽光/蓄電池。ユニット工法の同一性は対象外。3階G6は設計条件。 3階は商品対応・屋根/構造/法規の条件付きシナリオ。",
        "original_local_man": 7695.880453,
        "original_maker_man": 5714.0592,
        "original_local_low_man": 5824.991754,
        "original_local_high_man": 9796.788612,
        "original_components": {
          "local_base": 5400.0,
          "structure_add": 0.0,
          "facade_add": 400.0,
          "interior_equipment_add": 0.0,
          "local_site": 270.0,
          "local_design_base": 360.0,
          "design_service_add": 20.0,
          "interior_planning_add": 30.0,
          "inspection_records_add": 50.0,
          "local_climate_add": 126.5,
          "local_energy": 327.533333,
          "aftercare_reserve": 100.0
        },
        "comparability": "条件付き機能代替"
      }
    ]
  },
  "history_cases": [
    {
      "key": "sekisui_house_wood",
      "name": "積水ハウス",
      "structure": "木造",
      "label": "積水ハウス 木造",
      "anchors": [
        {
          "year": 2017,
          "center": 3300,
          "low": 2900,
          "high": 3800,
          "source_ids": [
            "SS13",
            "SS14",
            "SS16",
            "SS20",
            "SS21"
          ],
          "rationale": "構造混合集計と個別見積を照合。木造・鉄骨の同条件差は識別できないためコア中心を共通化。IR全額は採用せず、通常の40坪2階建てへ範囲調整した判断。"
        },
        {
          "year": 2020,
          "center": 3600,
          "low": 3100,
          "high": 4300,
          "source_ids": [
            "SS14",
            "SS21",
            "SS22"
          ],
          "rationale": "構造混合集計と個別見積を照合。木造・鉄骨の同条件差は識別できないためコア中心を共通化。IR全額は採用せず、通常の40坪2階建てへ範囲調整した判断。"
        },
        {
          "year": 2023,
          "center": 4300,
          "low": 3700,
          "high": 5100,
          "source_ids": [
            "SS15",
            "SS23"
          ],
          "rationale": "構造混合集計と個別見積を照合。木造・鉄骨の同条件差は識別できないためコア中心を共通化。IR全額は採用せず、通常の40坪2階建てへ範囲調整した判断。"
        },
        {
          "year": 2026,
          "center": 5100,
          "low": 4400,
          "high": 6100,
          "source_ids": [
            "SS15",
            "SS24",
            "SS25"
          ],
          "rationale": "構造混合集計と個別見積を照合。木造・鉄骨の同条件差は識別できないためコア中心を共通化。IR全額は採用せず、通常の40坪2階建てへ範囲調整した判断。"
        }
      ],
      "trend_index": {
        "2017": 91.2,
        "2018": 92.8,
        "2019": 95.8,
        "2020": 100.6,
        "2021": 104.4,
        "2022": 111.1,
        "2023": 120.2,
        "2024": 127.8,
        "2025": 137.1,
        "2026": 143.9
      },
      "energy_by_year": {
        "2017": {
          "center": 160,
          "low": 120.0,
          "high": 200.0,
          "pv_kw": 4,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2018": {
          "center": 160,
          "low": 120.0,
          "high": 200.0,
          "pv_kw": 4,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2019": {
          "center": 150,
          "low": 112.5,
          "high": 187.5,
          "pv_kw": 4,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2020": {
          "center": 150,
          "low": 112.5,
          "high": 187.5,
          "pv_kw": 4,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2021": {
          "center": 145,
          "low": 108.75,
          "high": 181.25,
          "pv_kw": 4,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2022": {
          "center": 145,
          "low": 108.75,
          "high": 181.25,
          "pv_kw": 4,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2023": {
          "center": 145,
          "low": 108.75,
          "high": 181.25,
          "pv_kw": 4,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2024": {
          "center": 150,
          "low": 112.5,
          "high": 187.5,
          "pv_kw": 4,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2025": {
          "center": 150,
          "low": 112.5,
          "high": 187.5,
          "pv_kw": 4,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2026": {
          "center": 150,
          "low": 112.5,
          "high": 187.5,
          "pv_kw": 4,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        }
      },
      "strength": {
        "2017": "B/C：個別根拠あり・代表性限定",
        "2018": "C：モデル推定",
        "2019": "C：モデル推定",
        "2020": "C：モデル推定",
        "2021": "C：モデル推定",
        "2022": "C：モデル推定",
        "2023": "C：モデル推定",
        "2024": "C：モデル推定",
        "2025": "C：モデル推定",
        "2026": "C：モデル推定・暫定"
      },
      "trend_note": "公式3.3㎡単価。木造鉄骨・商品構成混合。年度2月〜翌1月、2026は2〜7月。価格指数ではなく補間時期の参考。",
      "trend_source_ids": {
        "2017": [
          "SS14"
        ],
        "2018": [
          "SS14"
        ],
        "2019": [
          "SS14"
        ],
        "2020": [
          "SS14"
        ],
        "2021": [
          "SS15"
        ],
        "2022": [
          "SS15"
        ],
        "2023": [
          "SS15"
        ],
        "2024": [
          "SS15"
        ],
        "2025": [
          "SS15"
        ],
        "2026": [
          "SS15"
        ]
      },
      "energy_note": "創エネ費控除は算術感度。屋根一体型PVを外す場合の代替屋根等を再積算した実際の無設備見積ではない。容量段階は元記事の比較条件、価格と幅は観測を補助にした分析仮定。"
    },
    {
      "key": "sekisui_house_steel",
      "name": "積水ハウス",
      "structure": "鉄骨",
      "label": "積水ハウス 鉄骨",
      "anchors": [
        {
          "year": 2017,
          "center": 3300,
          "low": 2900,
          "high": 3800,
          "source_ids": [
            "SS13",
            "SS14",
            "SS17",
            "SS18",
            "SS19"
          ],
          "rationale": "2017契約例・2022低価格例・2025見積と構造混合集計を照合。二世帯・3階・商品構成の差を含む集計をそのまま40坪予算にしない。木造との同条件価格差は未識別。"
        },
        {
          "year": 2020,
          "center": 3600,
          "low": 3100,
          "high": 4300,
          "source_ids": [
            "SS14",
            "SS22"
          ],
          "rationale": "2017契約例・2022低価格例・2025見積と構造混合集計を照合。二世帯・3階・商品構成の差を含む集計をそのまま40坪予算にしない。木造との同条件価格差は未識別。"
        },
        {
          "year": 2023,
          "center": 4300,
          "low": 3700,
          "high": 5100,
          "source_ids": [
            "SS15",
            "SS23"
          ],
          "rationale": "2017契約例・2022低価格例・2025見積と構造混合集計を照合。二世帯・3階・商品構成の差を含む集計をそのまま40坪予算にしない。木造との同条件価格差は未識別。"
        },
        {
          "year": 2026,
          "center": 5100,
          "low": 4400,
          "high": 6100,
          "source_ids": [
            "SS15",
            "SS24",
            "SS25"
          ],
          "rationale": "2017契約例・2022低価格例・2025見積と構造混合集計を照合。二世帯・3階・商品構成の差を含む集計をそのまま40坪予算にしない。木造との同条件価格差は未識別。"
        }
      ],
      "trend_index": {
        "2017": 91.2,
        "2018": 92.8,
        "2019": 95.8,
        "2020": 100.6,
        "2021": 104.4,
        "2022": 111.1,
        "2023": 120.2,
        "2024": 127.8,
        "2025": 137.1,
        "2026": 143.9
      },
      "energy_by_year": {
        "2017": {
          "center": 180,
          "low": 135.0,
          "high": 225.0,
          "pv_kw": 5,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2018": {
          "center": 180,
          "low": 135.0,
          "high": 225.0,
          "pv_kw": 5,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2019": {
          "center": 170,
          "low": 127.5,
          "high": 212.5,
          "pv_kw": 5,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2020": {
          "center": 165,
          "low": 123.75,
          "high": 206.25,
          "pv_kw": 5,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2021": {
          "center": 160,
          "low": 120.0,
          "high": 200.0,
          "pv_kw": 5,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2022": {
          "center": 155,
          "low": 116.25,
          "high": 193.75,
          "pv_kw": 5,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2023": {
          "center": 155,
          "low": 116.25,
          "high": 193.75,
          "pv_kw": 5,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2024": {
          "center": 160,
          "low": 120.0,
          "high": 200.0,
          "pv_kw": 5,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2025": {
          "center": 160,
          "low": 120.0,
          "high": 200.0,
          "pv_kw": 5,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2026": {
          "center": 165,
          "low": 123.75,
          "high": 206.25,
          "pv_kw": 5,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        }
      },
      "strength": {
        "2017": "B/C：個別根拠あり・代表性限定",
        "2018": "C：モデル推定",
        "2019": "C：モデル推定",
        "2020": "C：モデル推定",
        "2021": "C：モデル推定",
        "2022": "C：モデル推定",
        "2023": "C：モデル推定",
        "2024": "C：モデル推定",
        "2025": "C：モデル推定",
        "2026": "C：モデル推定・暫定"
      },
      "trend_note": "公式3.3㎡単価。木造鉄骨・商品構成混合。年度2月〜翌1月、2026は2〜7月。価格指数ではなく補間時期の参考。",
      "trend_source_ids": {
        "2017": [
          "SS14"
        ],
        "2018": [
          "SS14"
        ],
        "2019": [
          "SS14"
        ],
        "2020": [
          "SS14"
        ],
        "2021": [
          "SS15"
        ],
        "2022": [
          "SS15"
        ],
        "2023": [
          "SS15"
        ],
        "2024": [
          "SS15"
        ],
        "2025": [
          "SS15"
        ],
        "2026": [
          "SS15"
        ]
      },
      "energy_note": "創エネ費控除は算術感度。屋根一体型PVを外す場合の代替屋根等を再積算した実際の無設備見積ではない。容量段階は元記事の比較条件、価格と幅は観測を補助にした分析仮定。"
    },
    {
      "key": "sumitomo_forestry_wood",
      "name": "住友林業",
      "structure": "木造",
      "label": "住友林業",
      "anchors": [
        {
          "year": 2017,
          "center": 3200,
          "low": 2800,
          "high": 3700,
          "source_ids": [
            "SS01",
            "SS02",
            "SS04",
            "SS05",
            "SS06",
            "SS08",
            "M08"
          ],
          "rationale": "発売時の本体最低価格、未契約の値引き後見積、初期受注／引渡IR、近年の施主例を照合。2017の安い個別例を中心値と同一視しない。2026IR価格は会社予想で面積不明。"
        },
        {
          "year": 2020,
          "center": 3500,
          "low": 3000,
          "high": 4100,
          "source_ids": [
            "SS06"
          ],
          "rationale": "発売時の本体最低価格、未契約の値引き後見積、初期受注／引渡IR、近年の施主例を照合。2017の安い個別例を中心値と同一視しない。2026IR価格は会社予想で面積不明。"
        },
        {
          "year": 2023,
          "center": 4200,
          "low": 3600,
          "high": 5000,
          "source_ids": [
            "SS07",
            "SS10",
            "SS11"
          ],
          "rationale": "発売時の本体最低価格、未契約の値引き後見積、初期受注／引渡IR、近年の施主例を照合。2017の安い個別例を中心値と同一視しない。2026IR価格は会社予想で面積不明。"
        },
        {
          "year": 2026,
          "center": 4900,
          "low": 4200,
          "high": 5900,
          "source_ids": [
            "SS07",
            "SS10",
            "SS11",
            "SS12"
          ],
          "rationale": "発売時の本体最低価格、未契約の値引き後見積、初期受注／引渡IR、近年の施主例を照合。2017の安い個別例を中心値と同一視しない。2026IR価格は会社予想で面積不明。"
        }
      ],
      "trend_index": {
        "2017": 88.8888888888889,
        "2018": 93.3862433862434,
        "2019": 93.7669376693767,
        "2020": 95.62841530054645,
        "2021": 102.18579234972677,
        "2022": 109.78408022434296,
        "2023": 120.19474898701733,
        "2024": 128.5667057840716,
        "2025": 132.9936667312199
      },
      "energy_by_year": {
        "2017": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2018": {
          "center": 160,
          "low": 120.0,
          "high": 200.0,
          "pv_kw": 4.3,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2019": {
          "center": 150,
          "low": 112.5,
          "high": 187.5,
          "pv_kw": 4.3,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2020": {
          "center": 145,
          "low": 108.75,
          "high": 181.25,
          "pv_kw": 4.3,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2021": {
          "center": 140,
          "low": 105.0,
          "high": 175.0,
          "pv_kw": 4.3,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2022": {
          "center": 140,
          "low": 105.0,
          "high": 175.0,
          "pv_kw": 4.3,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2023": {
          "center": 140,
          "low": 105.0,
          "high": 175.0,
          "pv_kw": 4.3,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2024": {
          "center": 160,
          "low": 120.0,
          "high": 200.0,
          "pv_kw": 5,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2025": {
          "center": 160,
          "low": 120.0,
          "high": 200.0,
          "pv_kw": 5,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2026": {
          "center": 160,
          "low": 120.0,
          "high": 200.0,
          "pv_kw": 5,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        }
      },
      "strength": {
        "2017": "B/C：個別根拠あり・代表性限定",
        "2018": "C：モデル推定",
        "2019": "C：モデル推定",
        "2020": "C：モデル推定",
        "2021": "C：モデル推定",
        "2022": "C：モデル推定",
        "2023": "C：モデル推定",
        "2024": "C：モデル推定",
        "2025": "C：モデル推定",
        "2026": "C：モデル推定・暫定"
      },
      "trend_note": "旧定義の初期受注金額／面積を2017〜21へ対応。2021の新旧重複値で水準接続した2022以降。2026面積不明なので2023〜26はIR補間を使わず年数補間。2020は9か月決算。",
      "definition_bridge_factor": 1.005420530625998,
      "trend_source_ids": {
        "2017": [
          "SS06"
        ],
        "2018": [
          "SS06"
        ],
        "2019": [
          "SS06"
        ],
        "2020": [
          "SS06"
        ],
        "2021": [
          "SS06"
        ],
        "2022": [
          "SS06",
          "SS07"
        ],
        "2023": [
          "SS06",
          "SS07"
        ],
        "2024": [
          "SS06",
          "SS07"
        ],
        "2025": [
          "SS06",
          "SS07"
        ]
      },
      "energy_note": "創エネ費控除は算術感度。屋根一体型PVを外す場合の代替屋根等を再積算した実際の無設備見積ではない。容量段階は元記事の比較条件、価格と幅は観測を補助にした分析仮定。"
    },
    {
      "key": "hebel_house_steel",
      "name": "ヘーベルハウス",
      "structure": "鉄骨",
      "label": "ヘーベルハウス",
      "anchors": [
        {
          "year": 2017,
          "center": 3200,
          "low": 2800,
          "high": 3700,
          "source_ids": [
            "HB_OWNER2017",
            "HB_OWNER2019",
            "HB_IR2017"
          ],
          "rationale": "2017近傍の個別例を軸に調整。IRの低層／中層戸建系は戸数定義と平均床面積が同条件でなく単純除算不可。2023・2026は独立した標準化見積が乏しく、方向性資料を使った弱い判断アンカー。"
        },
        {
          "year": 2020,
          "center": 3450,
          "low": 3000,
          "high": 4100,
          "source_ids": [
            "HB_OWNER2019",
            "HB_OWNER2021"
          ],
          "rationale": "2017近傍の個別例を軸に調整。IRの低層／中層戸建系は戸数定義と平均床面積が同条件でなく単純除算不可。2023・2026は独立した標準化見積が乏しく、方向性資料を使った弱い判断アンカー。"
        },
        {
          "year": 2023,
          "center": 4250,
          "low": 3600,
          "high": 5000,
          "source_ids": [
            "HB_OWNER2021",
            "HB_OWNER2019_2021LARGE",
            "HB_IR2024"
          ],
          "rationale": "2017近傍の個別例を軸に調整。IRの低層／中層戸建系は戸数定義と平均床面積が同条件でなく単純除算不可。2023・2026は独立した標準化見積が乏しく、方向性資料を使った弱い判断アンカー。"
        },
        {
          "year": 2026,
          "center": 4900,
          "low": 4200,
          "high": 5700,
          "source_ids": [
            "HB_IR2025",
            "HB_SPEC2025",
            "HB_OWNER2021"
          ],
          "rationale": "2017近傍の個別例を軸に調整。IRの低層／中層戸建系は戸数定義と平均床面積が同条件でなく単純除算不可。2023・2026は独立した標準化見積が乏しく、方向性資料を使った弱い判断アンカー。"
        }
      ],
      "trend_index": {},
      "energy_by_year": {
        "2017": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2018": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2019": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2020": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2021": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2022": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2023": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2024": {
          "center": 160,
          "low": 120.0,
          "high": 200.0,
          "pv_kw": 5,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2025": {
          "center": 160,
          "low": 120.0,
          "high": 200.0,
          "pv_kw": 5,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2026": {
          "center": 160,
          "low": 120.0,
          "high": 200.0,
          "pv_kw": 5,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        }
      },
      "strength": {
        "2017": "C：モデル推定",
        "2018": "C：モデル推定",
        "2019": "C：モデル推定",
        "2020": "C：モデル推定",
        "2021": "C：モデル推定",
        "2022": "C：モデル推定",
        "2023": "C−：直接の標準化価格根拠が乏しい",
        "2024": "C−：直接の標準化価格根拠が乏しい",
        "2025": "C−：直接の標準化価格根拠が乏しい",
        "2026": "C−：直接の標準化価格根拠が乏しい・暫定"
      },
      "trend_note": "同定義の公式年次価格指数なし。判断アンカー間を年数で対数補間。",
      "trend_source_ids": {},
      "energy_note": "創エネ費控除は算術感度。屋根一体型PVを外す場合の代替屋根等を再積算した実際の無設備見積ではない。容量段階は元記事の比較条件、価格と幅は観測を補助にした分析仮定。"
    },
    {
      "key": "sekisui_heim_wood",
      "name": "セキスイハイム",
      "structure": "木造",
      "label": "セキスイハイム 木造",
      "anchors": [
        {
          "year": 2017,
          "center": 2800,
          "low": 2500,
          "high": 3200,
          "source_ids": [
            "HM_OWNER_WOOD2017",
            "HM_OWNER_WOOD2017B",
            "HM_IR_2018"
          ],
          "rationale": "2017木造38.1延床坪の原画像を費目・面積補正。2022平屋原票と構造混合IRを補助。2026は木造個別事例が不足し幅を広く設定。"
        },
        {
          "year": 2020,
          "center": 2950,
          "low": 2600,
          "high": 3400,
          "source_ids": [
            "HM_IR_2020",
            "HM_OWNER_WOOD2022"
          ],
          "rationale": "2017木造38.1延床坪の原画像を費目・面積補正。2022平屋原票と構造混合IRを補助。2026は木造個別事例が不足し幅を広く設定。"
        },
        {
          "year": 2023,
          "center": 3400,
          "low": 2900,
          "high": 4000,
          "source_ids": [
            "HM_IR_2022",
            "HM_IR_2024",
            "HM_OWNER_WOOD2022"
          ],
          "rationale": "2017木造38.1延床坪の原画像を費目・面積補正。2022平屋原票と構造混合IRを補助。2026は木造個別事例が不足し幅を広く設定。"
        },
        {
          "year": 2026,
          "center": 3900,
          "low": 3300,
          "high": 4600,
          "source_ids": [
            "HM_IR_2025",
            "HM_IR_2026H1",
            "HM_OWNER_2026"
          ],
          "rationale": "2017木造38.1延床坪の原画像を費目・面積補正。2022平屋原票と構造混合IRを補助。2026は木造個別事例が不足し幅を広く設定。"
        }
      ],
      "trend_index": {
        "2017": 83.5,
        "2018": 84.6,
        "2019": 86.8,
        "2020": 87.9,
        "2021": 90.1,
        "2022": 94.8,
        "2023": 102.3,
        "2024": 109.2,
        "2025": 114.0,
        "2026": 117.8130360205832
      },
      "energy_by_year": {
        "2017": {
          "center": 185,
          "low": 129.5,
          "high": 240.5,
          "pv_kw": 5,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2018": {
          "center": 180,
          "low": 125.99999999999999,
          "high": 234.0,
          "pv_kw": 5,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2019": {
          "center": 290,
          "low": 203.0,
          "high": 377.0,
          "pv_kw": 5,
          "battery_kwh": 8,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2020": {
          "center": 280,
          "low": 196.0,
          "high": 364.0,
          "pv_kw": 5,
          "battery_kwh": 8,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2021": {
          "center": 275,
          "low": 192.5,
          "high": 357.5,
          "pv_kw": 5,
          "battery_kwh": 8,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2022": {
          "center": 250,
          "low": 175.0,
          "high": 325.0,
          "pv_kw": 5,
          "battery_kwh": 12,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2023": {
          "center": 255,
          "low": 178.5,
          "high": 331.5,
          "pv_kw": 5,
          "battery_kwh": 12,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2024": {
          "center": 260,
          "low": 182.0,
          "high": 338.0,
          "pv_kw": 5,
          "battery_kwh": 12,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2025": {
          "center": 340,
          "low": 237.99999999999997,
          "high": 442.0,
          "pv_kw": 7,
          "battery_kwh": 13.2,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2026": {
          "center": 340,
          "low": 237.99999999999997,
          "high": 442.0,
          "pv_kw": 7,
          "battery_kwh": 13.2,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        }
      },
      "strength": {
        "2017": "B/C：個別根拠あり・代表性限定",
        "2018": "C：モデル推定",
        "2019": "C：モデル推定",
        "2020": "C：モデル推定",
        "2021": "C：モデル推定",
        "2022": "C：モデル推定",
        "2023": "C：モデル推定",
        "2024": "C−：構造別の近年資料が不足",
        "2025": "C−：構造別の近年資料が不足",
        "2026": "C−：構造別の近年資料が不足・暫定"
      },
      "trend_note": "2017〜25は全国販社の3.3㎡単価。2026は母集団を連結販社へ変更した実数120.5を直結せず、同範囲上期前年比を2025全国値へ掛けた117.813の補間用代理値。2026全年度の実測値ではない。",
      "trend_source_ids": {
        "2017": [
          "HM_IR_2018"
        ],
        "2018": [
          "HM_IR_2018"
        ],
        "2019": [
          "HM_IR_2020"
        ],
        "2020": [
          "HM_IR_2020"
        ],
        "2021": [
          "HM_IR_2022"
        ],
        "2022": [
          "HM_IR_2022"
        ],
        "2023": [
          "HM_IR_2024"
        ],
        "2024": [
          "HM_IR_2024"
        ],
        "2025": [
          "HM_IR_2025"
        ],
        "2026": [
          "HM_IR_2025",
          "HM_IR_2026H1"
        ]
      },
      "energy_note": "創エネ費控除は算術感度。屋根一体型PVを外す場合の代替屋根等を再積算した実際の無設備見積ではない。容量段階は元記事の比較条件、価格と幅は観測を補助にした分析仮定。"
    },
    {
      "key": "sekisui_heim_steel",
      "name": "セキスイハイム",
      "structure": "鉄骨",
      "label": "セキスイハイム 鉄骨",
      "anchors": [
        {
          "year": 2017,
          "center": 3000,
          "low": 2600,
          "high": 3400,
          "source_ids": [
            "HM_OWNER_STEEL2016",
            "HM_OWNER_STEEL2018",
            "HM_IR_2018"
          ],
          "rationale": "2016契約と2018の値引き前見積を費目・面積補正。構造混合IRの変化と2025契約／2026最終資金計画を照合。値引き例を全国平均とみなさない。"
        },
        {
          "year": 2020,
          "center": 3150,
          "low": 2750,
          "high": 3600,
          "source_ids": [
            "HM_IR_2020",
            "HM_OWNER_STEEL2018"
          ],
          "rationale": "2016契約と2018の値引き前見積を費目・面積補正。構造混合IRの変化と2025契約／2026最終資金計画を照合。値引き例を全国平均とみなさない。"
        },
        {
          "year": 2023,
          "center": 3650,
          "low": 3150,
          "high": 4250,
          "source_ids": [
            "HM_IR_2022",
            "HM_IR_2024"
          ],
          "rationale": "2016契約と2018の値引き前見積を費目・面積補正。構造混合IRの変化と2025契約／2026最終資金計画を照合。値引き例を全国平均とみなさない。"
        },
        {
          "year": 2026,
          "center": 4100,
          "low": 3500,
          "high": 4750,
          "source_ids": [
            "HM_IR_2025",
            "HM_IR_2026H1",
            "HM_OWNER_2026"
          ],
          "rationale": "2016契約と2018の値引き前見積を費目・面積補正。構造混合IRの変化と2025契約／2026最終資金計画を照合。値引き例を全国平均とみなさない。"
        }
      ],
      "trend_index": {
        "2017": 83.5,
        "2018": 84.6,
        "2019": 86.8,
        "2020": 87.9,
        "2021": 90.1,
        "2022": 94.8,
        "2023": 102.3,
        "2024": 109.2,
        "2025": 114.0,
        "2026": 117.8130360205832
      },
      "energy_by_year": {
        "2017": {
          "center": 200,
          "low": 140.0,
          "high": 260.0,
          "pv_kw": 5.5,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2018": {
          "center": 195,
          "low": 136.5,
          "high": 253.5,
          "pv_kw": 5.5,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2019": {
          "center": 310,
          "low": 217.0,
          "high": 403.0,
          "pv_kw": 5.5,
          "battery_kwh": 8,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2020": {
          "center": 300,
          "low": 210.0,
          "high": 390.0,
          "pv_kw": 5.5,
          "battery_kwh": 8,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2021": {
          "center": 290,
          "low": 203.0,
          "high": 377.0,
          "pv_kw": 5.5,
          "battery_kwh": 8,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2022": {
          "center": 270,
          "low": 189.0,
          "high": 351.0,
          "pv_kw": 5.5,
          "battery_kwh": 12,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2023": {
          "center": 275,
          "low": 192.5,
          "high": 357.5,
          "pv_kw": 5.5,
          "battery_kwh": 12,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2024": {
          "center": 280,
          "low": 196.0,
          "high": 364.0,
          "pv_kw": 5.5,
          "battery_kwh": 12,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2025": {
          "center": 340,
          "low": 237.99999999999997,
          "high": 442.0,
          "pv_kw": 7,
          "battery_kwh": 13.2,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2026": {
          "center": 340,
          "low": 237.99999999999997,
          "high": 442.0,
          "pv_kw": 7,
          "battery_kwh": 13.2,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        }
      },
      "strength": {
        "2017": "B/C：個別根拠あり・代表性限定",
        "2018": "C：モデル推定",
        "2019": "C：モデル推定",
        "2020": "C：モデル推定",
        "2021": "C：モデル推定",
        "2022": "C：モデル推定",
        "2023": "C：モデル推定",
        "2024": "C：モデル推定",
        "2025": "C：モデル推定",
        "2026": "C：モデル推定・暫定"
      },
      "trend_note": "2017〜25は全国販社の3.3㎡単価。2026は母集団を連結販社へ変更した実数120.5を直結せず、同範囲上期前年比を2025全国値へ掛けた117.813の補間用代理値。2026全年度の実測値ではない。",
      "trend_source_ids": {
        "2017": [
          "HM_IR_2018"
        ],
        "2018": [
          "HM_IR_2018"
        ],
        "2019": [
          "HM_IR_2020"
        ],
        "2020": [
          "HM_IR_2020"
        ],
        "2021": [
          "HM_IR_2022"
        ],
        "2022": [
          "HM_IR_2022"
        ],
        "2023": [
          "HM_IR_2024"
        ],
        "2024": [
          "HM_IR_2024"
        ],
        "2025": [
          "HM_IR_2025"
        ],
        "2026": [
          "HM_IR_2025",
          "HM_IR_2026H1"
        ]
      },
      "energy_note": "創エネ費控除は算術感度。屋根一体型PVを外す場合の代替屋根等を再積算した実際の無設備見積ではない。容量段階は元記事の比較条件、価格と幅は観測を補助にした分析仮定。"
    },
    {
      "key": "ichijo_wood",
      "name": "一条工務店",
      "structure": "木造",
      "label": "一条工務店 i-smart",
      "anchors": [
        {
          "year": 2017,
          "center": 2950,
          "low": 2700,
          "high": 3250,
          "source_ids": [
            "IAT-I01",
            "IAT-I02",
            "IAT-I03"
          ],
          "rationale": "個別見積を費用・面積調整したモデル推定。2017 B、2020 B-/C、2023 C、2026 C"
        },
        {
          "year": 2020,
          "center": 3150,
          "low": 2850,
          "high": 3500,
          "source_ids": [
            "IAT-I06",
            "IAT-I07"
          ],
          "rationale": "個別見積を地域仕様調整したモデル推定。2017 B、2020 B-/C、2023 C、2026 C"
        },
        {
          "year": 2023,
          "center": 3350,
          "low": 3050,
          "high": 3750,
          "source_ids": [
            "IAT-I08"
          ],
          "rationale": "営業比較表転記＋通常費用仮定からのモデル推定。2017 B、2020 B-/C、2023 C、2026 C"
        },
        {
          "year": 2026,
          "center": 3500,
          "low": 3200,
          "high": 3900,
          "source_ids": [
            "IAT-I09",
            "IAT-I10"
          ],
          "rationale": "最新営業情報転記＋通常費用仮定からの暫定推定。2017 B、2020 B-/C、2023 C、2026 C"
        }
      ],
      "trend_index": {},
      "energy_by_year": {
        "2017": {
          "center": 280,
          "low": 240,
          "high": 350,
          "pv_kw": 10.5,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2018": {
          "center": 270,
          "low": 202.5,
          "high": 337.5,
          "pv_kw": 10.5,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2019": {
          "center": 260,
          "low": 195.0,
          "high": 325.0,
          "pv_kw": 10.5,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2020": {
          "center": 240,
          "low": 180.0,
          "high": 300.0,
          "pv_kw": 10.5,
          "battery_kwh": 7.04,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2021": {
          "center": 240,
          "low": 180.0,
          "high": 300.0,
          "pv_kw": 10.5,
          "battery_kwh": 7.04,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2022": {
          "center": 240,
          "low": 180.0,
          "high": 300.0,
          "pv_kw": 10.5,
          "battery_kwh": 7.04,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2023": {
          "center": 250,
          "low": 187.5,
          "high": 312.5,
          "pv_kw": 10.5,
          "battery_kwh": 7.04,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2024": {
          "center": 280,
          "low": 210.0,
          "high": 350.0,
          "pv_kw": 13.475,
          "battery_kwh": 7.04,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2025": {
          "center": 290,
          "low": 217.5,
          "high": 362.5,
          "pv_kw": 13.475,
          "battery_kwh": 7.04,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2026": {
          "center": 290,
          "low": 217.5,
          "high": 362.5,
          "pv_kw": 13.475,
          "battery_kwh": 7.04,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        }
      },
      "strength": {
        "2017": "B/C：個別根拠あり・代表性限定",
        "2018": "C：モデル推定",
        "2019": "C：モデル推定",
        "2020": "C：モデル推定",
        "2021": "C：モデル推定",
        "2022": "C：モデル推定",
        "2023": "C：モデル推定",
        "2024": "C：モデル推定",
        "2025": "C：モデル推定",
        "2026": "C：モデル推定・暫定"
      },
      "trend_note": "同定義の公式年次価格指数なし。判断アンカー間を年数で対数補間。",
      "trend_source_ids": {},
      "energy_note": "創エネ費控除は算術感度。屋根一体型PVを外す場合の代替屋根等を再積算した実際の無設備見積ではない。容量段階は元記事の比較条件、価格と幅は観測を補助にした分析仮定。"
    },
    {
      "key": "aqura_wood",
      "name": "アキュラホーム",
      "structure": "木造",
      "label": "アキュラホーム",
      "anchors": [
        {
          "year": 2017,
          "center": 2150,
          "low": 1800,
          "high": 2550,
          "source_ids": [
            "IAT-A01",
            "IAT-A02",
            "IAT-A03"
          ],
          "rationale": "価格帯の三角測量によるモデル推定。全アンカーC。2017は商品最低価格と施工例、近年は公開部分見積・相談者集計に依存。"
        },
        {
          "year": 2020,
          "center": 2300,
          "low": 1950,
          "high": 2750,
          "source_ids": [
            "IAT-A04"
          ],
          "rationale": "2021部分見積からの近接年推定。全アンカーC。2017は商品最低価格と施工例、近年は公開部分見積・相談者集計に依存。"
        },
        {
          "year": 2023,
          "center": 2900,
          "low": 2450,
          "high": 3500,
          "source_ids": [
            "IAT-A04",
            "IAT-A06",
            "IAT-A07"
          ],
          "rationale": "2021〜2025/26の間の推定。2023の直接観測値ではない。全アンカーC。2017は商品最低価格と施工例、近年は公開部分見積・相談者集計に依存。"
        },
        {
          "year": 2026,
          "center": 3350,
          "low": 2800,
          "high": 3950,
          "source_ids": [
            "IAT-A06",
            "IAT-A07"
          ],
          "rationale": "2025相談集計と2025.09以降仕様例からの暫定推定。全アンカーC。2017は商品最低価格と施工例、近年は公開部分見積・相談者集計に依存。"
        }
      ],
      "trend_index": {},
      "energy_by_year": {
        "2017": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2018": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2019": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2020": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2021": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2022": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2023": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2024": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2025": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2026": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        }
      },
      "strength": {
        "2017": "C：モデル推定",
        "2018": "C：モデル推定",
        "2019": "C：モデル推定",
        "2020": "C：モデル推定",
        "2021": "C：モデル推定",
        "2022": "C：モデル推定",
        "2023": "C：モデル推定",
        "2024": "C：モデル推定",
        "2025": "C：モデル推定",
        "2026": "C：モデル推定・暫定"
      },
      "trend_note": "同定義の公式年次価格指数なし。判断アンカー間を年数で対数補間。",
      "trend_source_ids": {},
      "energy_note": "創エネ費控除は算術感度。屋根一体型PVを外す場合の代替屋根等を再積算した実際の無設備見積ではない。容量段階は元記事の比較条件、価格と幅は観測を補助にした分析仮定。"
    },
    {
      "key": "tama_wood",
      "name": "タマホーム",
      "structure": "木造",
      "label": "タマホーム",
      "anchors": [
        {
          "year": 2017,
          "center": 1900,
          "low": 1700,
          "high": 2150,
          "source_ids": [
            "IAT-T01",
            "IAT-T02",
            "IAT-T06",
            "IAT-T07"
          ],
          "rationale": "公式平均＋単一施主例を40坪代表仕様へ校正。公式時系列A、40坪標準化モデルC"
        },
        {
          "year": 2020,
          "center": 2050,
          "low": 1800,
          "high": 2350,
          "source_ids": [
            "IAT-T02"
          ],
          "rationale": "IR受注・販売単価指標からのモデル推定。公式時系列A、40坪標準化モデルC"
        },
        {
          "year": 2023,
          "center": 2400,
          "low": 2100,
          "high": 2750,
          "source_ids": [
            "IAT-T03",
            "IAT-T08"
          ],
          "rationale": "IR指標と近接見積からのモデル推定。公式時系列A、40坪標準化モデルC"
        },
        {
          "year": 2026,
          "center": 2700,
          "low": 2400,
          "high": 3100,
          "source_ids": [
            "IAT-T03",
            "IAT-T04",
            "IAT-T08"
          ],
          "rationale": "IR指標と近接見積からの暫定推定。公式時系列A、40坪標準化モデルC"
        }
      ],
      "trend_index": {
        "2017": 1685.91867,
        "2018": 1701.58747,
        "2019": 1728.78159,
        "2020": 1807.91045,
        "2021": 1826.68714,
        "2022": 2005.55923,
        "2023": 2152.51029,
        "2024": 2313.056,
        "2025": 2363.53898,
        "2026": 2327.6442
      },
      "energy_by_year": {
        "2017": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2018": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2019": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2020": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2021": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2022": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2023": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2024": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2025": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        },
        "2026": {
          "center": 0,
          "low": 0.0,
          "high": 0.0,
          "pv_kw": 0,
          "battery_kwh": 0,
          "status": "ANALYST_SCENARIO_NOT_OBSERVED",
          "basis": "容量・採用段階は元記事の比較条件を統制。価格は近接例と容量からの計画予算仮定。費用幅は統計的信頼区間ではない。"
        }
      },
      "strength": {
        "2017": "B/C：個別根拠あり・代表性限定",
        "2018": "C：モデル推定",
        "2019": "C：モデル推定",
        "2020": "C：モデル推定",
        "2021": "C：モデル推定",
        "2022": "C：モデル推定",
        "2023": "C：モデル推定",
        "2024": "C：モデル推定",
        "2025": "C：モデル推定",
        "2026": "C：モデル推定・暫定"
      },
      "trend_note": "公式受注金額／受注棟数。面積未調整・商品構成付きの初期受注指標。5月期決算の年度をラベル年に対応させた近似。暦年価格ではない。",
      "trend_source_ids": {
        "2017": [
          "IAT-T02"
        ],
        "2018": [
          "IAT-T02"
        ],
        "2019": [
          "IAT-T02"
        ],
        "2020": [
          "IAT-T02"
        ],
        "2021": [
          "IAT-T03"
        ],
        "2022": [
          "IAT-T03"
        ],
        "2023": [
          "IAT-T03"
        ],
        "2024": [
          "IAT-T03"
        ],
        "2025": [
          "IAT-T03"
        ],
        "2026": [
          "IAT-T03"
        ]
      },
      "energy_note": "創エネ費控除は算術感度。屋根一体型PVを外す場合の代替屋根等を再積算した実際の無設備見積ではない。容量段階は元記事の比較条件、価格と幅は観測を補助にした分析仮定。"
    }
  ],
  "current_cases": [
    {
      "key": "sekisui_house_wood",
      "company": "積水ハウス",
      "structure": "wood",
      "structure_ja": "木造",
      "product": "SHAWOOD・ベルバーン相当",
      "core_center": 5600,
      "core_low": 5000,
      "core_high": 6800,
      "pv_kw": 4,
      "battery_kwh": 0,
      "energy_center": 150,
      "pv_price": {
        "low": 120,
        "center": 150,
        "high": 200
      },
      "battery_hems_price": {
        "low": 0,
        "center": 0,
        "high": 0
      },
      "confidence": "中〜低",
      "source_ids": [
        "MQ01",
        "MIR01",
        "MP01",
        "MP02"
      ],
      "selection_note": "40.69坪本人転記からの正規化約5540万円を主アンカー。価格日後の変更・値引配賦・公式広告の幅を考慮し5600万円を判断入力。",
      "stories": [
        2,
        3
      ]
    },
    {
      "key": "sumitomo_forestry_wood",
      "company": "住友林業",
      "structure": "wood",
      "structure_ja": "木造",
      "product": "BF構法・代表自由設計",
      "core_center": 5300,
      "core_low": 4600,
      "core_high": 6200,
      "pv_kw": 5,
      "battery_kwh": 0,
      "energy_center": 160,
      "pv_price": {
        "low": 130,
        "center": 160,
        "high": 220
      },
      "battery_hems_price": {
        "low": 0,
        "center": 0,
        "high": 0
      },
      "confidence": "低〜中",
      "source_ids": [
        "MQ04",
        "MIR02",
        "MP04"
      ],
      "selection_note": "2026/7小型平屋の正規化約5190万円とIR・公式広告を照合。平屋→総2階の大きな移送誤差を含む。5300万円は実測中央値ではない。",
      "stories": [
        2,
        3
      ]
    },
    {
      "key": "sekisui_heim_wood",
      "company": "セキスイハイム",
      "structure": "wood",
      "structure_ja": "木造",
      "product": "グランツーユーV相当",
      "core_center": 4000,
      "core_low": 3400,
      "core_high": 4800,
      "pv_kw": 7,
      "battery_kwh": 13.2,
      "energy_center": 400,
      "pv_price": {
        "low": 180,
        "center": 220,
        "high": 270
      },
      "battery_hems_price": {
        "low": 140,
        "center": 180,
        "high": 230
      },
      "confidence": "低",
      "source_ids": [
        "HM05",
        "HM06",
        "HM01",
        "HM07"
      ],
      "selection_note": "2022公開見積画像と2025匿名申告の40坪補正は約3830〜4050万円。古い特別値引事例・仕様更新の不確実性を広く取る。FRの最安商品価格を代入しない。",
      "stories": [
        2
      ]
    },
    {
      "key": "ichijo_wood",
      "company": "一条工務店",
      "structure": "wood",
      "structure_ja": "木造",
      "product": "i-smart・延床40坪／仮定施工41坪",
      "core_center": 3800,
      "core_low": 3350,
      "core_high": 4400,
      "pv_kw": 13.475,
      "battery_kwh": 7.04,
      "energy_center": 290,
      "pv_price": {
        "low": 170,
        "center": 200,
        "high": 240
      },
      "battery_hems_price": {
        "low": 80,
        "center": 90,
        "high": 110
      },
      "confidence": "低",
      "source_ids": [
        "RT07",
        "RT08",
        "RT10",
        "RT14"
      ],
      "selection_note": "73.5万円/施工坪の非公式価格表と、通常仕様・付帯・申請予算で3776.85万円。2026の同面積原見積はなく、中心3800万円は判断値。",
      "stories": [
        2,
        3
      ]
    },
    {
      "key": "aqura_wood",
      "company": "アキュラホーム",
      "structure": "wood",
      "structure_ja": "木造",
      "product": "超空間の家／AQGrand相当",
      "core_center": 3600,
      "core_low": 3100,
      "core_high": 4300,
      "pv_kw": 0,
      "battery_kwh": 0,
      "energy_center": 0,
      "pv_price": {
        "low": 0,
        "center": 0,
        "high": 0
      },
      "battery_hems_price": {
        "low": 0,
        "center": 0,
        "high": 0
      },
      "confidence": "低〜中",
      "source_ids": [
        "RT15",
        "RT16",
        "RT17"
      ],
      "selection_note": "37.57坪転記見積のPV・借入費控除、面積補正と価格時点+3%で約3590万円。値上げ後見積への再加算リスクを反映。別施主40坪4200万円は上側確認。",
      "stories": [
        2,
        3
      ]
    },
    {
      "key": "tama_wood",
      "company": "タマホーム",
      "structure": "wood",
      "structure_ja": "木造",
      "product": "大安心の家、3階は木望の家相当",
      "core_center": 2900,
      "core_low": 2500,
      "core_high": 3400,
      "pv_kw": 0,
      "battery_kwh": 0,
      "energy_center": 0,
      "pv_price": {
        "low": 0,
        "center": 0,
        "high": 0
      },
      "battery_hems_price": {
        "low": 0,
        "center": 0,
        "high": 0
      },
      "confidence": "中〜低",
      "source_ids": [
        "RT01",
        "RT03",
        "RT04"
      ],
      "selection_note": "2024/6公開原画像の税抜明細を再集計しPV控除、延床38.32→40坪、時点+6%で約2880万円。2026IRは急上昇を裏付けず、中心2900万円。",
      "stories": [
        2,
        3
      ]
    },
    {
      "key": "sekisui_house_steel",
      "company": "積水ハウス",
      "structure": "steel",
      "structure_ja": "鉄骨",
      "product": "イズ等、3階は重量鉄骨構法相当",
      "core_center": 5600,
      "core_low": 4900,
      "core_high": 6700,
      "pv_kw": 5,
      "battery_kwh": 0,
      "energy_center": 160,
      "pv_price": {
        "low": 130,
        "center": 160,
        "high": 220
      },
      "battery_hems_price": {
        "low": 0,
        "center": 0,
        "high": 0
      },
      "confidence": "低〜中",
      "source_ids": [
        "MQ02",
        "MQ03",
        "MIR01",
        "MP01"
      ],
      "selection_note": "鉄骨実例は対象外費目の控除が不確実。同条件の木鉄差を識別できないため木造と同中心。IR合算値を構造別価格と誤認しない。",
      "stories": [
        2,
        3
      ]
    },
    {
      "key": "hebel_house_steel",
      "company": "ヘーベルハウス",
      "structure": "steel",
      "structure_ja": "鉄骨",
      "product": "代表鉄骨住宅、2階重鉄も存在",
      "core_center": 5400,
      "core_low": 4600,
      "core_high": 6500,
      "pv_kw": 5,
      "battery_kwh": 0,
      "energy_center": 160,
      "pv_price": {
        "low": 130,
        "center": 160,
        "high": 220
      },
      "battery_hems_price": {
        "low": 0,
        "center": 0,
        "high": 0
      },
      "confidence": "低",
      "source_ids": [
        "MQ07",
        "MQ08",
        "MIR03",
        "MIR04"
      ],
      "selection_note": "面積・階数・税・付帯が完全に一致する直接見積なし。施主本体単価、匿名40坪総額と会社規模の整合をみた予算判断。精度は最も弱い群。",
      "stories": [
        2,
        3
      ]
    },
    {
      "key": "sekisui_heim_steel",
      "company": "セキスイハイム",
      "structure": "steel",
      "structure_ja": "鉄骨",
      "product": "鉄骨・1階快適エアリー相当、3階デシオ相当",
      "core_center": 4200,
      "core_low": 3600,
      "core_high": 5100,
      "pv_kw": 7,
      "battery_kwh": 13.2,
      "energy_center": 400,
      "pv_price": {
        "low": 180,
        "center": 220,
        "high": 270
      },
      "battery_hems_price": {
        "low": 140,
        "center": 180,
        "high": 230
      },
      "confidence": "低〜中",
      "source_ids": [
        "HM01",
        "HM03",
        "HM04",
        "HM09"
      ],
      "selection_note": "費目再集計した2025契約例と2022原見積を補正して約3980〜4260万円。快適エアリー相当110万円は研究仮定。最新GXの差額は未確認。",
      "stories": [
        2,
        3
      ]
    }
  ],
  "normalization_anchors": [
    {
      "id": "N_SH_WOOD",
      "source_ids": [
        "MQ01"
      ],
      "source_core_gross_man": 5449.03955,
      "source_area_tsubo": 40.68625,
      "target_area_tsubo": 40,
      "area_exponent": 0.85,
      "time_factor": 1.0312302265143443,
      "one_story_to_two_factor": 1,
      "specification_add_after_scaling": 0,
      "source_scope_formula": "(49149498+1046000+2287000+146000-2273593)×1.10/10000 − 照明90",
      "assumption_note": "照明90は仮定（0〜120）。値引全額を残す配賦で、比例配賦では+25.04万円。時点補正は年3%という研究仮定。"
    },
    {
      "id": "N_SH_STEEL",
      "source_ids": [
        "MQ02"
      ],
      "source_core_gross_man": 4757,
      "source_area_tsubo": 36.94735,
      "target_area_tsubo": 40,
      "area_exponent": 0.85,
      "time_factor": 1.05,
      "one_story_to_two_factor": 1,
      "specification_add_after_scaling": 0,
      "source_scope_formula": "5097 − PV150 − 地盤100 − 入居設備90",
      "assumption_note": "各控除額は未開示のため仮定。PV120〜180、地盤0〜200、入居60〜120。新規見積と同一精度では扱わない。"
    },
    {
      "id": "N_SFC",
      "source_ids": [
        "MQ04"
      ],
      "source_core_gross_man": 3797.2396,
      "source_area_tsubo": 25.54915,
      "target_area_tsubo": 40,
      "area_exponent": 0.85,
      "time_factor": 1.009,
      "one_story_to_two_factor": 0.9259259259259258,
      "specification_add_after_scaling": 0,
      "source_scope_formula": "(38440000−1091860−1003194−634586−190000)×1.10/10000 − 未分離空調等100×1.10",
      "assumption_note": "インテリア内キッチン232.3万円は保持。未知控除税抜100（50〜200）、平屋割増1.08は仮定。2026/7→11時点+0.9%も仮定。"
    },
    {
      "id": "N_HEIM_STEEL_RECENT",
      "source_ids": [
        "HM03"
      ],
      "source_core_gross_man": 3572.91,
      "source_area_tsubo": 36.48,
      "target_area_tsubo": 40,
      "area_exponent": 0.85,
      "time_factor": 1.03,
      "one_story_to_two_factor": 1,
      "specification_add_after_scaling": 0,
      "source_scope_formula": "(2485.8+90.1+102.7+376.3+403.6−180.5−78.8−7.5−43.6)×1.10+110",
      "assumption_note": "1階空調110と時点+3%は仮定。照明カーテンと壁紙の分離に最大約22万円の誤差。2025契約・2026/1最終資金計画。"
    },
    {
      "id": "N_HEIM_STEEL_OLD",
      "source_ids": [
        "HM04"
      ],
      "source_core_gross_man": 3355.22,
      "source_area_tsubo": 36,
      "target_area_tsubo": 40,
      "area_exponent": 0.85,
      "time_factor": 1.16,
      "one_story_to_two_factor": 1,
      "specification_add_after_scaling": 0,
      "source_scope_formula": "(3839−380−280−65−87.8)×1.10+26.4",
      "assumption_note": "2022→2026の+16%は研究仮定（8〜24%感度）、工事原価指数の機械代入ではない。追加変更と設備の配賦が概算。"
    },
    {
      "id": "N_HEIM_WOOD_OLD",
      "source_ids": [
        "HM05"
      ],
      "source_core_gross_man": 2636.01701,
      "source_area_tsubo": 28.9,
      "target_area_tsubo": 40,
      "area_exponent": 0.85,
      "time_factor": 1.16,
      "one_story_to_two_factor": 0.9259259259259258,
      "specification_add_after_scaling": 100,
      "source_scope_formula": "(2412−143.32−25.23−7.46+88.83+51.5+9.0591+11)×1.10",
      "assumption_note": "2022特別値引、平屋。平屋→2階1/1.08、時点+16%、仕様差100は研究仮定。空気工房は換気なので保持。"
    },
    {
      "id": "N_HEIM_WOOD_SECONDARY",
      "source_ids": [
        "HM06"
      ],
      "source_core_gross_man": 3760,
      "source_area_tsubo": 38,
      "target_area_tsubo": 40,
      "area_exponent": 0.85,
      "time_factor": 1.03,
      "one_story_to_two_factor": 1,
      "specification_add_after_scaling": 0,
      "source_scope_formula": "4600 − 創エネ290 − 外構250 − 入居120 − 諸費用180",
      "assumption_note": "匿名総額の内訳は全て仮控除。弱い補助観測で、中心を支配させない。"
    },
    {
      "id": "N_TAMA",
      "source_ids": [
        "RT03"
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      "source_core_gross_man": 2621.46511,
      "source_area_tsubo": 38.323724999999996,
      "target_area_tsubo": 40,
      "area_exponent": 0.85,
      "time_factor": 1.06,
      "one_story_to_two_factor": 1,
      "specification_add_after_scaling": 0,
      "source_scope_formula": "(2087.2091+33.211+121.4+241.8−100.47)×1.10",
      "assumption_note": "2024/6→2026/11の+6%は仮定（0〜12%感度）。施工43.01坪ではなく延床38.32坪で正規化。割引は既に反映、再控除しない。PVなしでも特別値引100万円が維持される仮定であり、適用は未確認。"
    },
    {
      "id": "N_AQ",
      "source_ids": [
        "RT15",
        "RT17",
        "ST09"
      ],
      "source_core_gross_man": 3306.9502,
      "source_area_tsubo": 37.57,
      "target_area_tsubo": 40,
      "area_exponent": 0.85,
      "time_factor": 1.03,
      "one_story_to_two_factor": 1,
      "specification_add_after_scaling": 0,
      "source_scope_formula": "3439.7213 − 4.09×28.9×1.10 − 借入用費2.5×1.10",
      "assumption_note": "PVは実内訳不明のため統計単価で仮控除。価格改定後の可能性を考慮し中心+3%（0〜7%）。設計欄の税表記不整合あり。"
    },
    {
      "id": "N_ICH",
      "source_ids": [
        "RT07",
        "RT08",
        "RT14"
      ],
      "source_core_gross_man": 3776.8500000000004,
      "source_area_tsubo": 40,
      "target_area_tsubo": 40,
      "area_exponent": 0.85,
      "time_factor": 1,
      "one_story_to_two_factor": 1,
      "specification_add_after_scaling": 0,
      "source_scope_formula": "(73.5×41 + 通常仕様200 + 付帯170 + 申請50)×1.10",
      "assumption_note": "73.5は二次価格表。各加算額と施工41坪は研究仮定。設計60万円を再加算しない。小型平屋原見積の単価を40坪に直線外挿しない。"
    }
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      "url": "https://imoz.jp/scraps/202611_housemaker.html",
      "observed_period": "",
      "limits": ""
    },
    {
      "package": "local",
      "id": "O02",
      "title": "元記事：価格CSV",
      "url": "https://imoz.jp/scraps/202611_housemaker/prices.csv",
      "observed_period": "",
      "limits": ""
    },
    {
      "package": "local",
      "id": "O03",
      "title": "元記事：予算の前提JSON",
      "url": "https://imoz.jp/scraps/202611_housemaker/assumptions.json",
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      "limits": ""
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    {
      "package": "local",
      "id": "R01",
      "title": "横浜市：よこはま健康・省エネ住宅 断熱等級6・7のススメ",
      "url": "https://ecohouse-conso.city.yokohama.lg.jp/edit-data/img/1724933866_file1.pdf",
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    {
      "package": "local",
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      "title": "フクダ・ロングライフデザイン：グレードと標準仕様",
      "url": "https://www.fukuda-lld.jp/system/grade/",
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    {
      "package": "local",
      "id": "R03",
      "title": "住ま居る：標準工学仕様と価格",
      "url": "https://t-smile.co.jp/category/spec/",
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      "package": "local",
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      "title": "金子勉建築設計事務所：費用について",
      "url": "https://kaneko-archi.com/process/price/",
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      "package": "local",
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      "title": "イッカ建築設計事務所：FEE",
      "url": "https://ikkasekkei.jp/fee/",
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      "limits": ""
    },
    {
      "package": "local",
      "id": "R06",
      "title": "住まいのクワザワ：住・タイルキャンペーン",
      "url": "https://www.sumaino-kuwazawa.co.jp/ecostile/",
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      "url": "https://kaz-inc.jp/about-kaz/mokkotsu-2/",
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      "limits": ""
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    {
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      "observed_period": "",
      "limits": ""
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    {
      "package": "local",
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      "title": "富士環境システム：お手頃プラン",
      "url": "https://www.fek.jp/deals/plan.html",
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      "limits": ""
    },
    {
      "package": "local",
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    {
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      "id": "R12",
      "title": "Panasonic：ヒートポンプ式温水床暖房 商品",
      "url": "https://sumai.panasonic.jp/water/hpyukadan/03product/",
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      "title": "オンレイ：全館空調メーカー比較",
      "url": "https://onrei.jp/column/zenkan-hikaku/",
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      "limits": ""
    },
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      "package": "local",
      "id": "R14",
      "title": "さくら事務所：サービス料金表",
      "url": "https://www.sakurajimusyo.com/service-price/",
      "observed_period": "",
      "limits": ""
    },
    {
      "package": "local",
      "id": "R15",
      "title": "国土交通省：新築住宅の瑕疵担保責任",
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      "observed_period": "",
      "limits": ""
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      "package": "local",
      "id": "R16",
      "title": "積水ハウス：保証体制",
      "url": "https://www.sekisuihouse.co.jp/kodate/support/warranty/",
      "observed_period": "",
      "limits": ""
    },
    {
      "package": "local",
      "id": "R17",
      "title": "朝日ウッドテック：ライブナチュラルプレミアム STANDARD",
      "url": "https://www.woodtec.co.jp/products/lineup/flooring/livenaturalpremium/standard/",
      "observed_period": "",
      "limits": ""
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      "package": "local",
      "id": "R18",
      "title": "朝日ウッドテック：ライブナチュラルプラス",
      "url": "https://www.woodtec.co.jp/products/lineup/flooring/livenatural/livenaturalplus/",
      "observed_period": "",
      "limits": ""
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      "title": "LIXIL：キッチン製品情報",
      "url": "https://www.lixil.co.jp/lineup/kitchen/",
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      "limits": ""
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      "limits": ""
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      "limits": ""
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      "package": "local",
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      "title": "タマホーム：FAQ",
      "url": "https://tamahome.jp/products/faq/",
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      "limits": ""
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      "limits": ""
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    {
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      "observed_period": "",
      "limits": ""
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      "limits": ""
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      "package": "local",
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      "title": "ムクヤホーム 価格とプラン",
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      "observed_period": "",
      "limits": ""
    },
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      "package": "local",
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      "observed_period": "",
      "limits": ""
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      "package": "local",
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      "limits": ""
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      "limits": ""
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      "package": "local",
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      "limits": ""
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      "package": "local",
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      "limits": ""
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      "limits": ""
    },
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      "limits": ""
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      "observed_period": "",
      "limits": ""
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      "package": "local",
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      "observed_period": "",
      "limits": ""
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      "package": "local",
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      "title": "アトリエ椿 設計費・家づくり費用",
      "url": "https://www.atsubaki.com/design/",
      "observed_period": "",
      "limits": ""
    },
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      "package": "local",
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      "observed_period": "",
      "limits": ""
    },
    {
      "package": "local",
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      "package": "history",
      "id": "IAT-A05",
      "title": "最終見積もり5040万円（はこぼ）",
      "url": "https://ameblo.jp/hakobo-blog/entry-12819624335.html",
      "observed_period": "",
      "limits": ""
    },
    {
      "package": "history",
      "id": "IAT-A06",
      "title": "MEGULIE アキュラ40坪総額目安",
      "url": "https://megulie.co.jp/blog/2026/10/12/aqura-home-40tsubo-price/",
      "observed_period": "",
      "limits": ""
    },
    {
      "package": "history",
      "id": "IAT-A07",
      "title": "ぽりんき アキュラ見積事例（許諾付き再作成画像）",
      "url": "https://houserossa.co.jp/articles/aqura-price/",
      "observed_period": "",
      "limits": ""
    },
    {
      "package": "history",
      "id": "IAT-T01",
      "title": "2017年5月期決算説明資料",
      "url": "https://www.tamahome.jp/company/ir/upload_file/m000-/1419tamahome_FY_2016_4Q_setsumei_20170714.pdf?e=4045",
      "observed_period": "",
      "limits": ""
    },
    {
      "package": "history",
      "id": "IAT-T02",
      "title": "Financial FactBook FY2021",
      "url": "https://tamahome.jp/company/ir/upload_file/m005-m005_07/210712_09.pdf?e=389",
      "observed_period": "",
      "limits": ""
    },
    {
      "package": "history",
      "id": "IAT-T03",
      "title": "Financial FactBook FY2026",
      "url": "https://tamahome.jp/company/ir/upload_file/m005-m005_07/20260714-6.pdf?e=4934",
      "observed_period": "",
      "limits": ""
    },
    {
      "package": "history",
      "id": "IAT-T04",
      "title": "Financial FactBook FY2027 Q1",
      "url": "https://tamahome.jp/company/ir/upload_file/m005-m005_07/20261013-5.pdf?e=6375",
      "observed_period": "",
      "limits": ""
    },
    {
      "package": "history",
      "id": "IAT-T05",
      "title": "2017年5月期 当初版Factbook（不整合）",
      "url": "https://tamahome.jp/company/ir/upload_file/m005-m005_07/1419tamahome_factbookFY2016.pdf?e=2360",
      "observed_period": "",
      "limits": ""
    },
    {
      "package": "history",
      "id": "IAT-T06",
      "title": "2017年5月期有価証券報告書",
      "url": "https://www.tamahome.jp/company/ir/upload_file/m005-m005_04/1419tamahome_FY_2016_4Q_AnnualReport_20170830.pdf",
      "observed_period": "",
      "limits": ""
    },
    {
      "package": "history",
      "id": "IAT-T07",
      "title": "タマホーム家の価格公開（30style）",
      "url": "https://30style.hatenadiary.jp/entry/2017/10/26/222214",
      "observed_period": "",
      "limits": ""
    },
    {
      "package": "history",
      "id": "IAT-T08",
      "title": "タマホームをやめた理由（いちなび、見積画像付き）",
      "url": "https://ichinavi.net/tamahome-yameta-riyu/",
      "observed_period": "",
      "limits": ""
    },
    {
      "package": "history",
      "id": "IAT-T09",
      "title": "タマホームの値引き（施主の交渉記録）",
      "url": "https://connect-house1411.com/tamahome_bargaining/",
      "observed_period": "",
      "limits": ""
    },
    {
      "package": "current",
      "id": "MIR01",
      "title": "2026年度第2四半期 Financial Factbook",
      "url": "https://www.sekisuihouse.co.jp/company/financial/library/ir_document/2026/2026_kessan/f20260910.pdf",
      "observed_period": "原資料の対象期・本文参照",
      "limits": ""
    },
    {
      "package": "current",
      "id": "MIR02",
      "title": "Q2 FY12/2026 Financial Factbook",
      "url": "https://sfc.jp/information/ir/library/statements/pdf/2026_2q_fact.pdf",
      "observed_period": "原資料の対象期・本文参照",
      "limits": ""
    },
    {
      "package": "current",
      "id": "MIR03",
      "title": "2026年3月期 決算概要",
      "url": "https://www.asahi-kasei.co.jp/file.jsp?id=1034816",
      "observed_period": "原資料の対象期・本文参照",
      "limits": ""
    },
    {
      "package": "current",
      "id": "MIR04",
      "title": "2026年3月期 決算補足資料",
      "url": "https://www.asahi-kasei.co.jp/file.jsp?id=1034817",
      "observed_period": "原資料の対象期・本文参照",
      "limits": ""
    },
    {
      "package": "current",
      "id": "MIR05",
      "title": "2026年 IRカレンダー",
      "url": "https://sfc.jp/information/ir/calendar/",
      "observed_period": "原資料の対象期・本文参照",
      "limits": ""
    },
    {
      "package": "current",
      "id": "MIR06",
      "title": "IRカレンダー",
      "url": "https://www.asahi-kasei.com/jp/ir/calendar",
      "observed_period": "原資料の対象期・本文参照",
      "limits": ""
    },
    {
      "package": "current",
      "id": "MIR07",
      "title": "2026年12月期 第2四半期決算概要および通期予想",
      "url": "https://sfc.jp/information/ir/library/statements/pdf/2026_2q_forecast.pdf",
      "observed_period": "原資料の対象期・本文参照",
      "limits": ""
    },
    {
      "package": "current",
      "id": "MIR08",
      "title": "2027年3月期 第1四半期 決算説明資料",
      "url": "https://www.asahi-kasei.com/content/dam/asahi-kasei/jp/ja/ir/library/financial-briefing/pdf/2606-analyst.pdf",
      "observed_period": "原資料の対象期・本文参照",
      "limits": ""
    },
    {
      "package": "current",
      "id": "MIR09",
      "title": "決算短信・説明資料",
      "url": "https://www.sekisuihouse.co.jp/company/financial/library/info/",
      "observed_period": "原資料の対象期・本文参照",
      "limits": ""
    },
    {
      "package": "current",
      "id": "MQ01",
      "title": "施主の2025年10月18日付資金計画案の転記",
      "url": "https://iekatsu.jp/sekisuihouse-mitsumori/",
      "observed_period": "2025-10-18",
      "limits": ""
    },
    {
      "package": "current",
      "id": "MQ02",
      "title": "積水ハウスの総額を公開（しゅな家）",
      "url": "https://shuna-house.jp/sekisuihouse-total-cost/",
      "observed_period": "2025-03",
      "limits": ""
    },
    {
      "package": "current",
      "id": "MQ03",
      "title": "注文住宅にかかった費用と内訳（Superior Home）",
      "url": "https://superior-home.online/2025/08/31/%E7%A9%8D%E6%B0%B4%E3%83%8F%E3%82%A6%E3%82%B9%E6%B3%A8%E6%96%87%E4%BD%8F%E5%AE%85%E3%81%AB%E3%81%8B%E3%81%8B%E3%81%A3%E3%81%9F%E8%B2%BB%E7%94%A8%E3%81%A8%E5%86%85%E8%A8%B3%E3%82%92%E3%83%AA%E3%82%A2/",
      "observed_period": "2025年建築、契約日は不明",
      "limits": ""
    },
    {
      "package": "current",
      "id": "MQ04",
      "title": "26坪平屋の見積もり公開：契約から着工合意まで",
      "url": "https://www.aotenjo-home.tsurifirst.com/sumitomo-forestry-contract-cost/",
      "observed_period": "2026-07-11",
      "limits": ""
    },
    {
      "package": "current",
      "id": "MQ05",
      "title": "51坪二世帯の本体工事費と提案工事（タグりん）",
      "url": "https://tagurins-home.com/entry/2025/09/11/190000",
      "observed_period": "2025-02",
      "limits": ""
    },
    {
      "package": "current",
      "id": "MQ06",
      "title": "32坪・2023年引渡し・Forest Selectionの見積もり",
      "url": "https://rie-sumirin.com/sumitomoringyou-estimate/",
      "observed_period": "2023年引渡し",
      "limits": ""
    },
    {
      "package": "current",
      "id": "MQ07",
      "title": "二世帯住宅の坪単価（ます蔵ハウス）",
      "url": "https://masuzo-haus.com/%E3%80%902026%E5%B9%B4%E6%9C%80%E6%96%B0%E3%80%91%E3%81%B8%E3%83%BC%E3%83%99%E3%83%AB%E3%83%8F%E3%82%A6%E3%82%B9%E3%81%AE%E4%BA%8C%E4%B8%96%E5%B8%AF%E4%BD%8F%E5%AE%85%E3%81%AE%E5%9D%AA%E5%8D%98/",
      "observed_period": "2025年上期契約",
      "limits": ""
    },
    {
      "package": "current",
      "id": "MQ08",
      "title": "40坪FREXの施主インタビュー（おうちづくりドットコム）",
      "url": "https://ouchi-dukuri.com/hebelhouse-tsubotanka/",
      "observed_period": "2025年春引渡し",
      "limits": ""
    },
    {
      "package": "current",
      "id": "MP01",
      "title": "コモンステージ川越的場Ⅱ No.5建物参考プラン",
      "url": "https://www.sekisuihouse.co.jp/bunjou/0/11201/b395004/s319008/00015015/06top.html",
      "observed_period": "価格の設定年月不明。2026-11-02取得",
      "limits": ""
    },
    {
      "package": "current",
      "id": "MP02",
      "title": "コモンステージ武蔵村山大南 No.2建物参考プラン",
      "url": "https://www.sekisuihouse.co.jp/bunjou/0/13223/b300007/s314003/00010912/06top.html",
      "observed_period": "価格の設定年月不明。2026-11-02取得",
      "limits": ""
    },
    {
      "package": "current",
      "id": "MP03",
      "title": "コモンステージせんげん台 No.4建物参考プラン",
      "url": "https://www.sekisuihouse.co.jp/bunjou/0/11214/b395004/s359000/00011202/06top.html?urlfix=1",
      "observed_period": "価格の設定年月不明。2026-11-02取得",
      "limits": ""
    },
    {
      "package": "current",
      "id": "MP04",
      "title": "キャンパスタウン糸島 20-18号地 建物参考プラン",
      "url": "https://sfc.jp/bunjyo/ct-itoshima/plan.html",
      "observed_period": "価格の設定年月不明。2026-11-02取得",
      "limits": ""
    },
    {
      "package": "current",
      "id": "MT01",
      "title": "商品情報（鉄骨1〜2階、鉄骨3〜4階、木造1〜3階）",
      "url": "https://www.sekisuihouse.co.jp/kodate/products/",
      "observed_period": "原資料の対象期・本文参照",
      "limits": ""
    },
    {
      "package": "current",
      "id": "MT02",
      "title": "フレキシブルβシステム",
      "url": "https://www.sekisuihouse.co.jp/kodate/tech/catalog/earthquake-resistance/flexible-beta-system/",
      "observed_period": "原資料の対象期・本文参照",
      "limits": ""
    },
    {
      "package": "current",
      "id": "MT03",
      "title": "PROUDIO BF構法",
      "url": "https://sfc.jp/ie/lineup/proudio/bf/",
      "observed_period": "原資料の対象期・本文参照",
      "limits": ""
    },
    {
      "package": "current",
      "id": "MT04",
      "title": "FREX3",
      "url": "https://www.asahi-kasei.co.jp/hebel/lineup/frex3/index.html/",
      "observed_period": "原資料の対象期・本文参照",
      "limits": ""
    },
    {
      "package": "current",
      "id": "MT05",
      "title": "2階建て邸宅専用の重鉄制震・デュアルテックラーメン構造",
      "url": "https://www.asahi-kasei.co.jp/j-koho/press/20220426/index/",
      "observed_period": "原資料の対象期・本文参照",
      "limits": ""
    },
    {
      "package": "current",
      "id": "HM01",
      "title": "積水化学 2026年度第2四半期決算および経営計画進捗説明会",
      "url": "https://www.sekisui.co.jp/ir/pdf/event/20261030kg.pdf",
      "observed_period": "原資料の対象期・本文参照",
      "limits": "木造/鉄骨別、2/3階別、消費税とPV/外構/申請などの厳密な包含範囲は表に非開示。戸建には請負と建売の棟数が並ぶが、平均単価の土地混入有無は明記されず、混入と断定しない。本文も仕様・地域ミックスが変動。"
    },
    {
      "package": "current",
      "id": "HM02",
      "title": "積水化学 2025年度決算および2026年度経営計画説明会",
      "url": "https://www.sekisui.co.jp/ir/pdf/event/20260428kg.pdf",
      "observed_period": "原資料の対象期・本文参照",
      "limits": "HM01と集計範囲が違う。40.0/37.9-1=5.54%を純値上げとしない。同範囲前年棟単価比40.0/39.1-1=2.30%、同範囲単価比120.5/116.6-1=3.34%も仕様ミックス含む。"
    },
    {
      "package": "current",
      "id": "HM03",
      "title": "けいのハイムブログ: セキスイハイムの値引き474万",
      "url": "https://smilekurashi-select.com/sekisuiheim-discount-total-cost/",
      "observed_period": "2025-09契約、2026-01最終資金計画",
      "limits": "税抜小計と税欄が合計と不一致。5費目の再集計は税込総額と一致する。坪単価102.6は誤小計系列で約104.3が再集計値。紹介/モニター/工期協力等の特殊値引、多数サービスあり。値引率の全国一般化不可。"
    },
    {
      "package": "current",
      "id": "HM04",
      "title": "vanbi Go Go Life: 36坪土地別の建築費総額",
      "url": "https://vanbi.com/sekisuiheim-tsubo-tanka-cost/",
      "observed_period": "2022年契約",
      "limits": "2026年掲載を2026年契約と扱わない。本体2568万円は初期面積約32坪時の金額、完成36坪で割る71万円/坪は分子分母時点不一致。最終請負総額は追加変更を含む。原見積の追加変更364万円には暫定表記があり、精密な最終差分は不確実。"
    },
    {
      "package": "current",
      "id": "HM05",
      "title": "ゼキザップ: グランツーユー平屋29坪の値引き見積り",
      "url": "https://denken-trainer-zekizap.com/sekisuiheim-1/",
      "observed_period": "2022-03-17（原見積画像）",
      "limits": "期限内契約/上棟条件の本体値引と蓄電池50万円特別値引。平屋28.9坪なので40坪2階へ無補正換算不可。空気工房45.4万円は換気設備として維持する（1階快適エアリー暖冷房の費用ではない）。太陽光/HEMS/蓄電池を除き、屋外工事と設計を加え、地盤/外構/入居設備/土地諸費用を除いたcoreを算出。"
    },
    {
      "package": "current",
      "id": "HM06",
      "title": "Yahoo!知恵袋（Yahoo不動産転載）: グランツーユーVの契約相談",
      "url": "https://question.realestate.yahoo.co.jp/knowledge/chiebukuro/detail/12322070487/",
      "observed_period": "2025-11頃契約申告",
      "limits": "原資料・内訳・地域不明。回答者の技術解説は信頼根拠に使わない。金額を参考クロスチェックとしてのみ採用。"
    },
    {
      "package": "current",
      "id": "HM07",
      "title": "グランツーユーFRを分譲地向け発売",
      "url": "https://www.sekisuiheim.com/info/press/20260416.html",
      "observed_period": "原資料の対象期・本文参照",
      "limits": "分譲地向けの当社2階建最廉価商品。通常自由設計グランツーユーVの平均に置換不可。T-SAS木造採用はこのFRに限定して読み、木造全系列への標準搭載と扱わない。"
    },
    {
      "package": "current",
      "id": "HM08",
      "title": "ザ・デザイナーズ グランツーユー発売",
      "url": "https://www.sekisuiheim.com/info/press/20250410.html",
      "observed_period": "原資料の対象期・本文参照",
      "limits": "高級ラインで木造の一律標準価格ではない。個別エアコンも本体に含む仕様を選ぶ場合は入居設備120万円側の冷暖房部分を控除する。"
    },
    {
      "package": "current",
      "id": "HM09",
      "title": "スマートパワーステーション-GX発売",
      "url": "https://www.sekisui.co.jp/news/pdf/261026.pdf",
      "observed_period": "原資料の対象期・本文参照",
      "limits": "11月2日以前の確実な新商品。元記事13.2kWh+快適エアリー1階は固定比較シナリオと位置付ける。新GXの価格差は公開情報では分離できない。"
    },
    {
      "package": "current",
      "id": "HM10",
      "title": "大容量蓄電システム e-Pocket GREEN",
      "url": "https://www.sekisuiheim.com/appeal/e_pocket.html",
      "observed_period": "原資料の対象期・本文参照",
      "limits": "取得時点で13.2kWhは現行掲載選択肢にない。旧機種の受注可否や価格は未確認。"
    },
    {
      "package": "current",
      "id": "HM11",
      "title": "セキスイハイム 住まいにかかるお金",
      "url": "https://www.sekisuiheim.com/guide/money_all.html",
      "observed_period": "原資料の対象期・本文参照",
      "limits": "公式の費用説明は本体/付帯/諸費用を区分するが、これをIRの統計定義と同一とは断定できない。"
    },
    {
      "package": "current",
      "id": "HM12",
      "title": "3階建てデシオ商品ページ",
      "url": "https://www.sekisuiheim.com/lineup/desio/",
      "observed_period": "原資料の対象期・本文参照",
      "limits": "現行3階の価格差を直接示す比較見積は確認できず、価格推計はシナリオ。"
    },
    {
      "package": "current",
      "id": "HM13",
      "title": "デシオ-T近畿・中部へ販売拡大",
      "url": "https://www.sekisuiheim.com/info/press/20240118.html",
      "observed_period": "原資料の対象期・本文参照",
      "limits": "屋根延長でPV増設。階数だけでPVを2/3に必ず減らせない。モデルは車庫込み51.6坪で40坪比較に直用不可。"
    },
    {
      "package": "current",
      "id": "HM14",
      "title": "デシオアーバン発売資料",
      "url": "https://www.sekisuiheim.com/info/press/20171214.pdf",
      "observed_period": "原資料の対象期・本文参照",
      "limits": "旧モデル・エレベーター込み。現在の普通宅地40坪3階の価格に直接採用しない。"
    },
    {
      "package": "current",
      "id": "HM15",
      "title": "ハイムノート: パルフェBJ31坪の見積",
      "url": "https://note.com/heim_note/n/nf973559ce160",
      "observed_period": "2025-09初期見積",
      "limits": "3370-855=2515で本文2670と一致しない。内訳は有料部分で未取得、SPSを木質系と誤記。価格推定への採用を見送る。"
    },
    {
      "package": "current",
      "id": "HM16",
      "title": "おうちづくりドットコム: グランツーユー施主標準仕様",
      "url": "https://ouchi-dukuri.com/sekisuiheim-hyojun/",
      "observed_period": "原資料の対象期・本文参照",
      "limits": "同ページで引渡年が矛盾。匿名取材再構成、原見積なし。集計数を増やすための採用はしない。"
    },
    {
      "package": "current",
      "id": "ST01",
      "title": "2025年度 フラット35利用者調査 調査結果",
      "url": "https://www.jhf.go.jp/files/topics/4941_ext_99_1.pdf",
      "observed_period": "2025-04～2026-03承認案件、2026-03-31現在データ",
      "limits": "予定建設費。解体・屋外附帯・設計監理等を含む。土地代は別。税区分は今回参照した概要に明記なし"
    },
    {
      "package": "current",
      "id": "ST02",
      "title": "2025年度 フラット35利用者調査 注文住宅 集計表",
      "url": "https://www.jhf.go.jp/files/topics/8510_ext_99_2.xlsx",
      "observed_period": "2025-04～2026-03承認案件",
      "limits": ""
    },
    {
      "package": "current",
      "id": "ST03",
      "title": "2025年度 フラット35利用者調査 調査の概要",
      "url": "https://www.jhf.go.jp/files/topics/8510_ext_99_0.pdf",
      "observed_period": null,
      "limits": ""
    },
    {
      "package": "current",
      "id": "ST04",
      "title": "2025年度 戸建注文住宅の顧客実態調査結果の要約及び考察",
      "url": "https://www.judanren.or.jp/activity/proposal-activity/report03/pdf/kousatu2025.pdf",
      "observed_period": "2025年度顧客調査。無料要約では詳細な対象契約・入居期間を確認できず",
      "limits": "主要都市圏2,709件、住団連企業会員94.5%; 調査票はメーカー営業担当者が記入。市場全体の無作為標本ではなく、階数別価格や同一仕様対照データはない"
    },
    {
      "package": "current",
      "id": "ST05",
      "title": "建築費指数 2026年9月分（2015年基準）",
      "url": "https://mobile.kensetu-bukka.or.jp/business/so-ken/shisu/shisu_kentiku/",
      "observed_period": "2026-09",
      "limits": "2026-10分は2026-11-10公表予定。資材指数の10月分公表とは異なる"
    },
    {
      "package": "current",
      "id": "ST06",
      "title": "建設物価 建築費指数 2026年3月分プレスリリース",
      "url": "https://www.kensetu-bukka.or.jp/wp-content/themes/custom/pdf/newsrelease/20260410000001.pdf",
      "observed_period": "2026-03",
      "limits": ""
    },
    {
      "package": "current",
      "id": "ST07",
      "title": "建築工事費調査（令和7年分）の調査結果",
      "url": "https://www.mlit.go.jp/report/press/joho04_hh_001396.html",
      "observed_period": "2025年完成建築物",
      "limits": "木造全用途を含む。非木造も鉄骨戸建ではない。工事費予定額とも区別"
    },
    {
      "package": "current",
      "id": "ST08",
      "title": "令和7年度 住宅市場動向調査",
      "url": "https://www.mlit.go.jp/report/press/house02_hh_000248.html",
      "observed_period": "2024-04～2025-03入居等",
      "limits": "2025年度調査という名称でも対象入居は2024年度。7646万円を建物価格と混同しない"
    },
    {
      "package": "current",
      "id": "ST09",
      "title": "令和8年度以降の調達価格等に関する意見",
      "url": "https://www.meti.go.jp/shingikai/santeii/pdf/20260205_1.pdf",
      "observed_period": "2025年設置の報告済み案件",
      "limits": "2026年度25.5はFIT算定の政策想定で市場平均ではない。設置年2025の報告済みサンプル"
    },
    {
      "package": "current",
      "id": "ST10",
      "title": "10kW未満 設置費用報告 記入例",
      "url": "https://www.enecho.meti.go.jp/category/saving_and_new/saiene/kaitori/dl/fit_2017/report/rei_U10kW_setihiyou.pdf",
      "observed_period": null,
      "limits": "旧記入例だが現在の定期報告案内から参照可能。太陽光統計税区分の裏付け"
    },
    {
      "package": "current",
      "id": "ST11",
      "title": "定置用蓄電システムの導入費用の推移",
      "url": "https://www.meti.go.jp/policy/mono_info_service/joho/conference/battery_strategy2/shiryo06.pdf",
      "observed_period": "家庭用2023年度、系統用2024年度",
      "limits": "家庭用の12.1は2023年度の補助事業データ。6.8は系統用で家庭用に使えない。2030年目標7も現行価格ではない"
    },
    {
      "package": "current",
      "id": "ST12",
      "title": "住宅ローン 手数料のご案内",
      "url": "https://neobank.netbk.co.jp/contents/jal/charge-homeloan/",
      "observed_period": "2026-11-02閲覧時",
      "limits": "一般的な一例で全行共通ではない。金利2%/3か月/融資比率80%は元記事の比較仮定"
    },
    {
      "package": "current",
      "id": "ST13",
      "title": "コモンステージ川越的場II 参考プラン",
      "url": "https://www.sekisuihouse.co.jp/bunjou/0/11201/b395004/s319008/00015015/06top.html",
      "observed_period": "2026-11-02閲覧時",
      "limits": "40坪へ単純比例を避ける。地盤改良を今回対象から控除するには別内訳が必要"
    },
    {
      "package": "current",
      "id": "ST14",
      "title": "コーポレートサイトの一時公開停止について",
      "url": "https://kensetu-bukka.studio.site/",
      "observed_period": null,
      "limits": "旧PDFパスはトップへリダイレクト。未確認の原表を取得済みとしない"
    },
    {
      "package": "current",
      "id": "RT01",
      "title": "2027年5月期 第1四半期決算説明資料",
      "url": "https://www.tamahome.jp/company/ir/upload_file/m005-m005_02/20261013-2.pdf",
      "observed_period": "2026-06～08",
      "limits": "平均販売単価2,400万円。平均面積、標準商品の内訳、税込・税抜の注記を該当図で確認できず。40坪本体単価へ直結させない。"
    },
    {
      "package": "current",
      "id": "RT02",
      "title": "IR決算説明資料一覧",
      "url": "https://www.tamahome.jp/company/ir/library/library_02.html",
      "observed_period": "2026-11-02時点",
      "limits": "最新資料の確認用。"
    },
    {
      "package": "current",
      "id": "RT03",
      "title": "タマホームをやめた理由・見積公開",
      "url": "https://ichinavi.net/tamahome-yameta-riyu/",
      "observed_period": "2024-06見積",
      "limits": "元記事と同一の事例であり、新規独立標本数には数えない。本文の税込ラベルと原画像の税抜区分が不一致。割引・ポイントサービスあり。"
    },
    {
      "package": "current",
      "id": "RT04",
      "title": "木望の家",
      "url": "https://www.tamahome.jp/products/lineup/kibou/",
      "observed_period": "2026-11-02時点",
      "limits": "3階建て商品は木望の家。大安心の家と同一商品を単純に3層化した実見積は未確認。"
    },
    {
      "package": "current",
      "id": "RT05",
      "title": "住宅商品に関するよくある質問",
      "url": "https://tamahome.jp/products/faq/",
      "observed_period": "2026-11-02時点",
      "limits": "断熱等級5の説明には地域・プランの条件がある。"
    },
    {
      "package": "current",
      "id": "RT06",
      "title": "2026年5月期第3四半期決算説明会 質疑応答",
      "url": "https://www.tamahome.jp/company/ir/upload_file/tdnrelease/1419_20260413502699_P01_.pdf",
      "observed_period": "2026-04",
      "limits": "個別交渉を説明。一律の施主販売価格上昇率は読み取れない。"
    },
    {
      "package": "current",
      "id": "RT07",
      "title": "一条工務店 i-smart 19.16坪の見積公開",
      "url": "https://roresan.com/blog/i-smart/",
      "observed_period": "2024-11-15見積",
      "limits": "埼玉・小規模平屋・施工19.16坪。40坪2階の価格水準を線形外挿しない。部材・税・設計込み・PVの範囲確認に採用。"
    },
    {
      "package": "current",
      "id": "RT08",
      "title": "一条工務店の坪単価・商品別価格",
      "url": "https://www.ichijo-life.info/price/",
      "observed_period": "表：2026-07 i-smart 73.5万円/施工坪・税抜",
      "limits": "73.5万円は公式価格でも公開契約原票でもない。元記事と共通の情報源。i-cubeの金額は別商品でありi-smartの原見積とみなさない。"
    },
    {
      "package": "current",
      "id": "RT09",
      "title": "一条工務店の坪単価、施主見積の紹介",
      "url": "https://www.mitsumori-bank.com/post/ichijo-price-per-tsubo",
      "observed_period": "見積契約時点不明",
      "limits": "グランスマート、i-smile、i-cubeが混在。更新日を契約年に置換せず、i-smart40坪の中心価格に直接採用しない。"
    },
    {
      "package": "current",
      "id": "RT10",
      "title": "主力2商品に断熱等性能等級7を標準化",
      "url": "https://www.ichijo.co.jp/topics/260403/",
      "observed_period": "2026-04から",
      "limits": "旧見積の仕様と2026標準仕様の差を明示。価格差自体は非公表。"
    },
    {
      "package": "current",
      "id": "RT11",
      "title": "3階建て住宅",
      "url": "https://www.ichijo.co.jp/lineup/3f/",
      "observed_period": "2026-11-02時点",
      "limits": "現行3階建ての存在は確認できるが、同面積2階対3階の価格差を示さない。"
    },
    {
      "package": "current",
      "id": "RT12",
      "title": "i-smart商品ページ",
      "url": "https://www.ichijo.co.jp/lineup/i-smart/",
      "observed_period": "2026-11-02時点",
      "limits": "床暖房標準から全室冷房機器不要とは推論しない。"
    },
    {
      "package": "current",
      "id": "RT13",
      "title": "一条工務店の見積を公開",
      "url": "https://mirin-ichijo.com/mitsumori/",
      "observed_period": "2025年契約と記載",
      "limits": "掲載各費目・税・総額の差803,910円。選択仕様2,485,000円がPV欄と重複した転記の可能性はあるが、原画像で確認できず推測修正しない。最終29.5坪平屋とは別プラン。"
    },
    {
      "package": "current",
      "id": "RT14",
      "title": "一条工務店の坪単価の推移",
      "url": "https://mirin-ichijo.com/tsubotanka/",
      "observed_period": "2026表示、33坪前後のモデル",
      "limits": "税抜換算約73.27万円はRT08と近いが、同じ基礎情報を転載した可能性があり、独立した二つの契約とは数えない。"
    },
    {
      "package": "current",
      "id": "RT15",
      "title": "アキュラホームの坪単価と37.57坪の見積",
      "url": "https://houserossa.co.jp/articles/aqura-price/",
      "observed_period": "商品表示AQGrand2025.09、見積日非表示",
      "limits": "原契約書ではなく再構成表。元記事と同一の事例。付帯に含む設計欄の税込表記と上位小計税抜が混在。2026年値上げの前後が確定しない。"
    },
    {
      "package": "current",
      "id": "RT16",
      "title": "40坪のアキュラホーム、家づくりの総費用",
      "url": "https://it-papa-base.com/aqura-cost-total/",
      "observed_period": "2025-02完成",
      "limits": "新規独立の事例。ただし高額設備、地盤等の内訳が不足。土地3,000万円、解体230万円、外構450万円等を別建てと明記するが比較coreと完全一致しない。上方照合に限定。"
    },
    {
      "package": "current",
      "id": "RT17",
      "title": "住宅価格上昇への対応・AQコレクションゼロ",
      "url": "https://prtimes.jp/main/html/rd/p/000000352.000008413.html",
      "observed_period": "2026年価格改定・期間限定商品",
      "limits": "施行日と全契約への適用条件は不明。対象見積が改定後なら再度掛けない。企画型の開始価格を40坪自由設計に直接適用しない。"
    },
    {
      "package": "current",
      "id": "RT18",
      "title": "超空間の家",
      "url": "https://www.aqura.co.jp/tyokukan/",
      "observed_period": "2026-11-02時点",
      "limits": "仕様説明であり個別契約価格ではない。"
    },
    {
      "package": "current",
      "id": "RT19",
      "title": "3階建て住宅",
      "url": "https://www2.aqura.co.jp/lp/sankai/",
      "observed_period": "2026-11-02時点",
      "limits": "同面積・同仕様の2階との差額資料は得られない。"
    },
    {
      "package": "current",
      "id": "RT20",
      "title": "アキュラホームを選んだ理由と見積",
      "url": "https://www.aqurahome-plus-something-extra.online/reason-for-choosing/quotation-statement/",
      "observed_period": "2023年頃見積",
      "limits": "古い価格と現行仕様・値上げの差が大きい。付帯一律20%の根拠には使わない。"
    },
    {
      "package": "current",
      "id": "RT21",
      "title": "アキュラホームの見積が大幅にアップ",
      "url": "https://ameblo.jp/hakobo-blog/entry-12819624335.html",
      "observed_period": "2023年計画",
      "limits": "4,760→5,040万円の総額に土地等が混在。建物増分とその他増分の合計にも単純整合しないため中心価格に使用しない。"
    },
    {
      "package": "current",
      "id": "RT22",
      "title": "アキュラホームの標準仕様・施主取材",
      "url": "https://ouchi-dukuri.com/aqura-hyoujun/",
      "observed_period": "2024年秋契約と記載",
      "limits": "メーカー記述に対して商品名ジーニアスの整合が確認できない。原見積もないため数値の採用を見送る。誤りの原因や意図は断定しない。"
    },
    {
      "package": "current",
      "id": "RT23",
      "title": "タマホームの坪単価と建築費",
      "url": "https://tamahome.xyzline.com/price",
      "observed_period": "2019年建築",
      "limits": "ページ更新年と契約年が違う。2026実見積として使わない。"
    },
    {
      "package": "current",
      "id": "RT24",
      "title": "元記事と比較入力データ",
      "url": "https://imoz.jp/scraps/202611_housemaker.html",
      "observed_period": "2026年想定",
      "limits": "記事本体と同ディレクトリのprices.csv、assumptions.json、research_inputs.json、research_audit.jsonを直接取得。引用・転記値と今回独立判断を分ける。"
    }
  ],
  "adoption": {
    "current": "Cの建物・通常付帯・設計の税込判断額と幅を採用。創エネもCを採用。",
    "history": "Bの2017/2020/2023判断アンカーとCの現在コアを接続。中央は全社共通の対数補間。混合集計IRの残差補間は比較感度のみ。",
    "common": "既存の年次外構・入居設備価格比、登記等・融資条件を保持。一条の冷房費控除を廃止、ハイム鉄骨は1階空調との重複を避け入居費を25%減。",
    "local": "Aの統合基準・数量・単価を採用し、内装を数量に展開。住友林業の外装を市販塗り仕上げの材工差で算定。local_cost_assumptions.jsonで活動費・利益・調達による逆算を併用。",
    "not_adopted": [
      "Aに固定された旧メーカー価格との価格差",
      "Cの全社一律3階コア1.15倍（実測の裏付けがないため既存の個別追加額と幅を保持）",
      "ハイム最新5.7/11.4/17.1kWhへの容量変更（比較容量13.2kWhを維持）",
      "重複見積の件数を独立標本数とする評価",
      "追加資料の価格中心の単純平均や、上下幅の重なりを採用条件とする操作"
    ],
    "component_allocation": "建物・付帯・設計を合計で校正する。元調査の付帯・設計の予算配賦を保持し残額をbody欄へ置く。個別費目の観測値ではなく、記事の増額分解も建物関連費の合計で示す。"
  },
  "reproduction_audit": {
    "network_access": false,
    "A_cases": 17,
    "A_max_numeric_difference_man": 9.094947017729282e-13,
    "B_annual_rows": 90,
    "B_annual_csv_byte_equal": true,
    "C_cases": 17,
    "C_max_numeric_difference_man": 0,
    "manifest_hashes_matched": 121,
    "manifest_hashes_mismatched": 0,
    "manifest_files_missing": 0,
    "interpretation": "算術と配布ファイルの整合性。予算仮定の正しさや一次資料の独立再確認を証明しない。"
  },
  "article_energy_overrides": {
    "sumitomo_forestry_wood": {
      "2017": {
        "center": 163.4,
        "low": 122.55,
        "high": 220.59,
        "pv_kw": 4.3,
        "battery_kwh": 0,
        "basis": "2017年にもPV付き見積がある。2017〜2023年を4.3kW付き比較例に固定し、採用率50%閾値による設備切替を廃止。4.3kWは比較仮定、163.4万円は既存5kW予算190万円×4.3/5で、2017年同容量実費ではない。"
      }
    }
  },
  "finish_scope": {
    "sekisui_house_wood": {
      "facade": "陶板等に近い市販外装への変更",
      "interior": "床・建具・水回り・造作・壁天井の変更",
      "unpriced": []
    },
    "sumitomo_forestry_wood": {
      "facade": "標準サイディングから意匠性のある塗り・吹付仕上げへ変更。下地・仕上げの材工差0.6万円/㎡（0.3〜1.0）。",
      "interior": "木質床・建具・水回り・造作・壁天井の変更",
      "unpriced": []
    },
    "sekisui_heim_wood": {
      "facade": "全面タイルへの変更",
      "interior": "基準の仕上げ・住宅設備を採用",
      "unpriced": []
    },
    "ichijo_wood": {
      "facade": "全面タイルへの変更",
      "interior": "基準の仕上げ・住宅設備で機能を近づける。独自設備の同一品再現ではない",
      "unpriced": []
    },
    "aqura_wood": {
      "facade": "基準の外壁を採用",
      "interior": "基準の仕上げ・住宅設備を採用",
      "unpriced": []
    },
    "tama_wood": {
      "facade": "基準の外壁を採用",
      "interior": "基準の仕上げ・住宅設備を採用",
      "unpriced": []
    },
    "sekisui_house_steel": {
      "facade": "意匠性の高い市販外装への変更",
      "interior": "床・建具・水回り・造作・壁天井の変更",
      "unpriced": []
    },
    "hebel_house_steel": {
      "facade": "ALC外壁への変更。上階床は基準内",
      "interior": "床・建具・水回り・造作・壁天井の変更",
      "unpriced": []
    },
    "sekisui_heim_steel": {
      "facade": "全面タイルへの変更",
      "interior": "基準の仕上げ・住宅設備を採用",
      "unpriced": []
    }
  },
  "scope_review": {
    "classification": "内装仕上げ・住宅設備と、床暖房・専用空調を分離。追加差額0は基準に含む費用が0という意味ではない。",
    "unpriced": "前回は住友林業外装を未算定としたが、最新モデルでは市販の塗り・吹付仕上げを対象に差額を数量計算。過去版の未算定表示は下記比較用の履歴。",
    "interpolation": "全社の中央推計は判断アンカー間の対数補間。IR残差補間は感度比較のみ。見栄えのための平滑化や実測値の削除ではなく、混合集計を単年売価変化へ転用しない統一方針。",
    "energy": "任意設備の採用率が50%を超えたことだけを根拠に0→全額へ切り替えない。住友林業2017を4.3kW付き比較例へ変更。他社の設備段階も参照例・発売・標準化と分析仮定を区別。",
    "no_new_price_observations": true,
    "previous_versions": {
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        "data_sha256": "4e452f86a6e5015b56ef9906982ad4b5b588a61a3fc0f04483448d42eb386bf5"
      }
    },
    "finish_alternatives": [
      {
        "series": "sumitomo_forestry_wood",
        "article_interior": 380,
        "alternative_interior": 700,
        "source": "追加調査前の内装・設備差額仮定。仕上げ範囲をそろえた見積もりで否定された金額ではない。",
        "unpriced_facade_still_excluded": false
      },
      {
        "series": "sekisui_house_wood",
        "article_interior": 300,
        "alternative_interior": 550,
        "source": "追加調査前の内装・設備差額仮定。統合基準の変更もあるため、そのままの優劣判定や平均には使わず差額だけの感度とする。",
        "unpriced_facade_still_excluded": false
      }
    ],
    "dual_method_update": "2026-11-03：local_cost_assumptions.jsonで全社共通の部材単価・経費仮定と方式A/B、共通誤差を相殺するペア比較を追加。外装を未算定で止めた前回判断を更新。"
  }
}