{"design":{"construction_jpy":96000000,"floors":1,"gross_floor_m2":392.0,"rooms":"α Dubhe DOJO +1500mm (SJJJF 7×7 mat) / β Merak SHU +600 (書庫+ベッド) / γ Phecda KAKU 0 (4-bed dorm) / δ Megrez SHOKU 0 (アイランドキッチン) / ε Alioth KAZOKU 0 (tatami LDK) / ζ Mizar YU -2500 (半地下温泉) / η Alkaid OTO -500 (Gibson ES-350 録音) / Polaris SHI -1500 (1 椅子 1 机 1 ランプ)","structure":"★ ONE typology / ONE material / ONE aperture / 8 floor levels ★ 8 棟 100% 同形 Cor-Ten 立方体 (7×7×4m) を 100m × 100m 山頂台地に北斗七星パターン散在 / 全面 Cor-Ten 6mm + SIPs t=245 (U=0.16, G3+, C=0.5) / 駒ヶ岳安山岩 600mm 石垣 plinth ring / ★ アイヌ刺繍 laser-cut Cor-Ten 1.5×3m aperture × 8 / skip-floor -2500〜+1500mm で 8 機能分節 / PV 72kW + LFP 30kWh + 地中熱 HP + KAGI lock + Face ID","title":"嶺 MINE — Eight Identical Cor-Ten Cubes on a Big Dipper (標茶町西熊牛原野 4線)","total_jpy":111000000},"files":{"ifc":"/api/showcase/famous-mine-kumaushi/bim.ifc","image":"/api/showcase/famous-mine-kumaushi/image","json":"/api/showcase/famous-mine-kumaushi/bim.json"},"schema":"BIM.HOUSE Real Listing v1","site":{"address":"北海道川上郡標茶町西熊牛原野 4線 (Nishikumaushi-genya, 4sen, Shibecha-cho) — 標高 200m 小山頂上","land_area_m2":5000.0,"land_price_jpy":15000000,"lot_d_m":100.0,"lot_w_m":100.0,"zoning":"都市計画区域外 / 集会場 + 簡易宿所営業 / 多雪区域 1.3m / 標高 200m 山頂"},"source":{"fetched_at":"2026-05-13","type":"SUUMO public listing","url":"https://bim.house/wiki/famous-mine-kumaushi"},"validation":{"geometry_includes":["Project + Site + Building hierarchy","1 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"]}}