{"building_coverage":{"built_area_m2":77.189,"site_area_m2":304.0,"coverage_pct":25.391118421052628,"limit_pct":50.0,"pass":true},"floor_area_ratio":{"gross_floor_m2":63.57385999999999,"site_area_m2":304.0,"far_pct":20.912453947368416,"limit_pct":100.0,"pass":true,"designated_limit_pct":100.0,"road_limit_pct":160.0,"road_width_m":4.0},"north_slope":{"kind":"north","max_height_mm":3212,"allowed_height_mm":9115,"pass":true,"margin_mm":5995},"road_slope":{"kind":"road","max_height_mm":3212,"allowed_height_mm":17282,"pass":true,"margin_mm":14162},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":0.6051071305093005,"window_area_m2":38.468996,"floor_area_m2":63.57385999999999,"pass":true},"ventilation":{"required_ratio":0.05,"actual_ratio":0.30255356525465027,"mechanical_units":0,"pass":true},"overall_pass":true,"messages":["全項目 OK","「美しいものは長持ちする。」"],"high_district":{"district":"指定なし","max_height_mm":3212,"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":63.57385999999999,"stories":1,"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":0.35749030432082046,"standard_w_m2k":0.87,"envelope_area_m2":369.2294199999999,"wall_area_m2":185.44290399999994,"window_area_m2":38.468996,"roof_area_m2":81.74366,"floor_area_m2":63.57385999999999,"pass":true,"message":"省エネ UA 値 OK (地域区分 6): UA=0.357 ≤ 基準 0.87 W/m²K"},"sickhouse":{"habitable_floor_m2":63.57385999999999,"habitable_volume_m3":152.57726399999996,"required_airflow_m3h":76.28863199999998,"estimated_airflow_m3h":192.34498,"air_change_per_hour":1.2606398552277098,"pass":true,"message":"シックハウス OK: 換気回数 1.26 回/h ≥ 0.5 回/h (居室 63.6 m² / 自然 192 + 機械 0 m³/h、 機械換気 0 台)"},"neighbor_slope":{"kind":"neighbor","max_height_mm":3212,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807},"shadow":{"regulated":false,"measurement_height_m":1.5,"max_shadow_5m_h":0.0,"limit_5m_h":4.0,"max_shadow_10m_h":0.0,"limit_10m_h":2.5,"pass":true,"message":"日影規制: 対象外 (用途地域・規模が規制要件未満)"},"site_eligibility":{"zoning":"第一種低層住居専用地域","use_allowed":true,"use_message":"用途制限: 住宅は「第一種低層住居専用地域」で建築可能","road_width_m":4.0,"frontage_m":13.78404875209022,"road_access_ok":true,"road_message":"接道義務 OK: 幅員 4.0m の道路に 約13.8m 接道 (法 43 条)","lot_area_m2":304.0,"min_lot_area_m2":null,"min_lot_ok":true,"pass":true,"message":"用途制限: 住宅は「第一種低層住居専用地域」で建築可能 / 接道義務 OK: 幅員 4.0m の道路に 約13.8m 接道 (法 43 条)"}}