{"building_coverage":{"built_area_m2":85.246,"site_area_m2":290.0,"coverage_pct":29.3951724137931,"limit_pct":80.0,"pass":true},"floor_area_ratio":{"gross_floor_m2":144.844,"site_area_m2":290.0,"far_pct":49.94620689655172,"limit_pct":300.0,"pass":true,"designated_limit_pct":300.0,"road_limit_pct":240.0,"road_width_m":4.0},"north_slope":{"kind":"north","max_height_mm":6020,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807},"road_slope":{"kind":"road","max_height_mm":6020,"allowed_height_mm":14700,"pass":true,"margin_mm":8680},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":0.624215293695286,"window_area_m2":90.41384000000001,"floor_area_m2":144.844,"pass":true},"ventilation":{"required_ratio":0.05,"actual_ratio":0.2211234482151417,"mechanical_units":0,"pass":true},"overall_pass":true,"messages":["容積率 補足: 前面道路幅員が未登録のため指定 300% で判定中。仮に 4.0m とすると 240% に低減 (法52条2項) — set_site_context で実幅員を登録してください。"],"high_district":{"district":"指定なし","max_height_mm":6020,"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":204.442,"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":0.39217220321620916,"standard_w_m2k":0.46,"envelope_area_m2":663.825,"wall_area_m2":232.35836000000006,"window_area_m2":90.41384000000001,"roof_area_m2":136.61079999999998,"floor_area_m2":204.442,"pass":true,"message":"省エネ UA 値 OK (地域区分 1): UA=0.392 ≤ 基準 0.46 W/m²K"},"sickhouse":{"habitable_floor_m2":204.442,"habitable_volume_m3":490.6608,"required_airflow_m3h":245.3304,"estimated_airflow_m3h":452.0692,"air_change_per_hour":0.9213477008964238,"pass":true,"message":"シックハウス OK: 換気回数 0.92 回/h ≥ 0.5 回/h (居室 204.4 m² / 自然 452 + 機械 0 m³/h、 機械換気 0 台)"},"neighbor_slope":{"kind":"neighbor","max_height_mm":6020,"allowed_height_mm":32250,"pass":true,"margin_mm":26230},"shadow":{"regulated":false,"measurement_height_m":4.0,"max_shadow_5m_h":0.0,"limit_5m_h":5.0,"max_shadow_10m_h":0.0,"limit_10m_h":3.0,"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":"近隣商業地域","use_allowed":true,"use_message":"用途制限: 住宅は「近隣商業地域」で建築可能","road_width_m":4.0,"frontage_m":17.0293863659264,"road_access_ok":true,"road_message":"接道義務 OK: 幅員 4.0m の道路に 約17.0m 接道 (法 43 条)","lot_area_m2":290.0,"min_lot_area_m2":null,"min_lot_ok":true,"pass":true,"message":"用途制限: 住宅は「近隣商業地域」で建築可能 / 接道義務 OK: 幅員 4.0m の道路に 約17.0m 接道 (法 43 条)"}}