{"building_coverage":{"built_area_m2":19.993072,"site_area_m2":118.3,"coverage_pct":16.900314454775994,"limit_pct":50.0,"pass":true},"floor_area_ratio":{"gross_floor_m2":39.986144,"site_area_m2":118.3,"far_pct":33.80062890955199,"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":5940,"allowed_height_mm":6380,"pass":true,"margin_mm":500},"road_slope":{"kind":"road","max_height_mm":5940,"allowed_height_mm":7250,"pass":true,"margin_mm":1370},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":0.5438683960123787,"window_area_m2":21.7472,"floor_area_m2":39.986144,"pass":true},"ventilation":{"required_ratio":0.05,"actual_ratio":0.27193419800618934,"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":5940,"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":39.986144,"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":0.3537402578406165,"standard_w_m2k":0.87,"envelope_area_m2":229.05188800000002,"wall_area_m2":126.61240000000004,"window_area_m2":21.7472,"roof_area_m2":40.706144,"floor_area_m2":39.986144,"pass":true,"message":"省エネ UA 値 OK (地域区分 6): UA=0.354 ≤ 基準 0.87 W/m²K"},"sickhouse":{"habitable_floor_m2":39.986144,"habitable_volume_m3":95.96674560000001,"required_airflow_m3h":47.983372800000005,"estimated_airflow_m3h":108.73599999999999,"air_change_per_hour":1.133059158359122,"pass":true,"message":"シックハウス OK: 換気回数 1.13 回/h ≥ 0.5 回/h (居室 40.0 m² / 自然 109 + 機械 0 m³/h、 機械換気 0 台)"},"neighbor_slope":{"kind":"neighbor","max_height_mm":5940,"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 (建ぺい 60%・容積 200%)","use_allowed":true,"use_message":"用途制限: 住宅は「第一種低層住居専用地域 (建ぺい 60%・容積 200%)」で建築可能","road_width_m":4.0,"frontage_m":13.0,"road_access_ok":true,"road_message":"接道義務 OK: 幅員 4.0m の道路に 約13.0m 接道 (法 43 条)","lot_area_m2":118.3,"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 (建ぺい 60%・容積 200%)」で建築可能 / 接道義務 OK: 幅員 4.0m の道路に 約13.0m 接道 (法 43 条)"},"absolute_height":{"kind":"absolute_height","max_height_mm":5940,"allowed_height_mm":10000,"pass":true,"margin_mm":4060}}