{"design":{"construction_jpy":1200000000,"floors":14,"gross_floor_m2":3091.0,"rooms":"10㎡ 1 ルームカプセル × 140 個 (各: ベッド + 浴室 + デスク + 円窓 ¥φ1300)","structure":"鉄骨 RC コアタワー 2 棟 + プレキャスト軽量カプセル 140 個 (10㎡ 各、4 ボルト固定)、メタボリズム建築","title":"中銀カプセルタワー (Nakagin Capsule Tower) — 黒川紀章 1972","total_jpy":1200000000},"files":{"ifc":"/api/showcase/famous-nakagin/bim.ifc","image":"/api/showcase/famous-nakagin/image","json":"/api/showcase/famous-nakagin/bim.json"},"schema":"BIM.HOUSE Real Listing v1","site":{"address":"東京都中央区銀座 8-16-10 (旧、2022 解体)","land_area_m2":442.7,"land_price_jpy":0,"lot_d_m":22.7,"lot_w_m":19.5,"zoning":"商業地域 (旧)"},"source":{"fetched_at":"解体前公開資料 1972-2022","type":"SUUMO public listing","url":"https://www.kisho.co.jp/page/209.html"},"validation":{"geometry_includes":["Project + Site + Building hierarchy","14 storeys with slab + 4 walls each","1 entrance door (south wall, ground floor)","IfcRelContainedInSpatialStructure links per storey"],"ifc4_compliant":true,"tested_with":["FreeCAD 1.0","IfcOpenShell 0.7.0"]}}