{"building_coverage":{"built_area_m2":169.5,"site_area_m2":6900.0,"coverage_pct":2.4565217391304346,"limit_pct":70.0,"pass":true},"floor_area_ratio":{"gross_floor_m2":169.5,"site_area_m2":6900.0,"far_pct":2.4565217391304346,"limit_pct":200.0,"pass":true},"north_slope":{"kind":"north","max_height_mm":7380,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807},"road_slope":{"kind":"road","max_height_mm":7380,"allowed_height_mm":2750,"pass":false,"margin_mm":-450},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":0.0,"window_area_m2":0.0,"floor_area_m2":169.5,"pass":false},"ventilation":{"required_ratio":0.05,"actual_ratio":0.0,"pass":false},"overall_pass":false,"messages":["道路斜線 NG: 高さ超過 7380 mm (許容 2750 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 0.000 < 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 0.000 < 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 4630 mm 下げる、または道路境界から 4630 mm 後退。","→ 修正案: 窓面積を 24.21 m² 増やす (例: 12.1m × 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":7380,"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":169.5,"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":0.37746953061522115,"standard_w_m2k":0.87,"envelope_area_m2":575.9879999999999,"wall_area_m2":148.07999999999998,"window_area_m2":0.0,"roof_area_m2":258.40799999999996,"floor_area_m2":169.5,"pass":true,"message":"省エネ UA 値 OK (地域区分 6): UA=0.377 ≤ 基準 0.87 W/m²K"},"sickhouse":{"habitable_floor_m2":169.5,"habitable_volume_m3":406.8,"required_airflow_m3h":203.4,"estimated_airflow_m3h":0.0,"air_change_per_hour":0.0,"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 169.5 m²、 必要 203 m³/h)"}}