{"building_coverage":{"built_area_m2":261.0,"site_area_m2":838.0,"coverage_pct":31.145584725536995,"limit_pct":70.0,"pass":true},"floor_area_ratio":{"gross_floor_m2":348.0,"site_area_m2":838.0,"far_pct":41.527446300715994,"limit_pct":200.0,"pass":true},"north_slope":{"kind":"north","max_height_mm":7680,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807},"road_slope":{"kind":"road","max_height_mm":7680,"allowed_height_mm":-1875,"pass":false,"margin_mm":-1475},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":0.017672413793103445,"window_area_m2":6.1499999999999995,"floor_area_m2":348.0,"pass":false},"ventilation":{"required_ratio":0.05,"actual_ratio":0.008836206896551723,"pass":false},"overall_pass":false,"messages":["道路斜線 NG: 高さ超過 7680 mm (許容 -1875 mm)","「道路の向こうから見たあなたの家、思い出してください。」","採光 NG: 窓面積比 0.018 < 1/7 (0.143)","「窓は、外と内を引き合わせる、もっとも誠実な装置です。」","換気 NG: 有効換気面積比 0.009 < 1/20 (0.050)","「家は呼吸する生き物です。」","→ 修正案: 道路側の建物高さを 9555 mm 下げる、または道路境界から 9555 mm 後退。","→ 修正案: 窓面積を 43.56 m² 増やす (例: 21.8m × 2m の窓を追加)。","→ 修正案: 開閉可能な窓を増やすか、24時間機械換気を設置。"],"high_district":{"district":"指定なし","max_height_mm":7680,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807,"message":"高度地区 指定なし → 適用外"},"fire_district":{"district":"指定なし","gross_floor_m2":348.0,"stories":3,"required_grade":"規制なし","pass":true,"message":"防火 / 準防火地域 指定なし → 構造制限なし"},"energy_ua":{"climate_zone":6,"ua_w_m2k":0.4266346758062549,"standard_w_m2k":0.87,"envelope_area_m2":1042.6727999999998,"wall_area_m2":377.78999999999996,"window_area_m2":6.1499999999999995,"roof_area_m2":310.73279999999994,"floor_area_m2":348.0,"pass":true,"message":"省エネ UA 値 OK (地域区分 6): UA=0.427 ≤ 基準 0.87 W/m²K"},"sickhouse":{"habitable_floor_m2":348.0,"habitable_volume_m3":835.1999999999999,"required_airflow_m3h":417.59999999999997,"estimated_airflow_m3h":30.749999999999996,"air_change_per_hour":0.03681752873563218,"pass":true,"message":"シックハウス OK (設計前提): BIM 内に 24h 機械換気 未モデル。 建基法 28 条の 2 で 0.5 回/h 機械換気が法定 — 実工事で必ず設置設計してください (居室 348.0 m²、 必要 418 m³/h)"}}