{"building_coverage":{"built_area_m2":124.785,"site_area_m2":500.0,"coverage_pct":24.956999999999997,"limit_pct":70.0,"pass":true},"floor_area_ratio":{"gross_floor_m2":231.706944,"site_area_m2":500.0,"far_pct":46.3413888,"limit_pct":200.0,"pass":true,"designated_limit_pct":200.0,"road_limit_pct":160.0,"road_width_m":4.0},"north_slope":{"kind":"north","max_height_mm":6112,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807},"road_slope":{"kind":"road","max_height_mm":6112,"allowed_height_mm":13812,"pass":true,"margin_mm":7792},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":0.4326561572535349,"window_area_m2":100.249436,"floor_area_m2":231.706944,"pass":true},"ventilation":{"required_ratio":0.05,"actual_ratio":0.14060547185885358,"mechanical_units":11,"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 200% で判定中。仮に 4.0m とすると 160% 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":6112,"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":356.49194399999993,"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":1,"ua_w_m2k":0.34344933741951755,"standard_w_m2k":0.46,"envelope_area_m2":983.9674079999998,"wall_area_m2":329.5131639999999,"window_area_m2":100.249436,"roof_area_m2":306.32572799999997,"floor_area_m2":247.87908,"pass":true,"message":"省エネ UA 値 OK (地域区分 1): UA=0.343 ≤ 基準 0.46 W/m²K"},"sickhouse":{"habitable_floor_m2":356.49194399999993,"habitable_volume_m3":855.5806655999999,"required_airflow_m3h":427.79033279999993,"estimated_airflow_m3h":1326.24718,"air_change_per_hour":1.5501135466518896,"pass":true,"message":"シックハウス OK: 換気回数 1.55 回/h ≥ 0.5 回/h (居室 356.5 m² / 自然 501 + 機械 825 m³/h、 機械換気 11 台)"},"neighbor_slope":{"kind":"neighbor","max_height_mm":6112,"allowed_height_mm":20625,"pass":true,"margin_mm":14513},"shadow":{"regulated":false,"measurement_height_m":4.0,"max_shadow_5m_h":0.0,"limit_5m_h":0.0,"max_shadow_10m_h":0.0,"limit_10m_h":0.0,"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":"","use_allowed":true,"use_message":"用途制限: 住宅は「用途地域指定なし」で建築可能","road_width_m":4.0,"frontage_m":28.2,"road_access_ok":true,"road_message":"接道義務 OK: 幅員 4.0m の道路に 約28.2m 接道 (法 43 条)","lot_area_m2":500.0,"min_lot_area_m2":null,"min_lot_ok":true,"pass":true,"message":"用途制限: 住宅は「用途地域指定なし」で建築可能 / 接道義務 OK: 幅員 4.0m の道路に 約28.2m 接道 (法 43 条)"}}