{"building_coverage":{"built_area_m2":163.5,"site_area_m2":74115.0,"coverage_pct":0.22060311677798017,"limit_pct":70.0,"pass":true},"floor_area_ratio":{"gross_floor_m2":271.3,"site_area_m2":74115.0,"far_pct":0.36605275585239155,"limit_pct":200.0,"pass":true},"north_slope":{"kind":"north","max_height_mm":3550,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807},"road_slope":{"kind":"road","max_height_mm":3550,"allowed_height_mm":3375,"pass":false,"margin_mm":-75},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":0.1303354220420199,"window_area_m2":35.36,"floor_area_m2":271.3,"pass":false},"ventilation":{"required_ratio":0.05,"actual_ratio":0.06516771102100995,"pass":true},"overall_pass":false,"messages":["道路斜線 NG: 高さ超過 3550 mm (許容 3375 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 0.130 < 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。」","→ 修正案: 道路側の建物高さを 175 mm 下げる、または道路境界から 175 mm 後退。","→ 修正案: 窓面積を 3.40 m² 増やす (例: 1.7m × 2m の窓を追加)。"],"high_district":{"district":"指定なし","max_height_mm":3550,"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":271.3,"stories":2,"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":1,"ua_w_m2k":0.30005641748942175,"standard_w_m2k":0.46,"envelope_area_m2":553.02,"wall_area_m2":54.24000000000001,"window_area_m2":35.36,"roof_area_m2":192.12,"floor_area_m2":271.3,"pass":true,"message":"省エネ UA 値 OK (地域区分 1): UA=0.300 ≤ 基準 0.46 W/m²K"},"sickhouse":{"habitable_floor_m2":271.3,"habitable_volume_m3":651.12,"required_airflow_m3h":325.56,"estimated_airflow_m3h":176.8,"air_change_per_hour":0.27153212925420817,"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 271.3 m²、 必要 326 m³/h)"}}