{"building_coverage":{"built_area_m2":45.3276,"site_area_m2":132.0,"coverage_pct":34.339090909090906,"limit_pct":50.0,"pass":true},"floor_area_ratio":{"gross_floor_m2":78.30000000000001,"site_area_m2":132.0,"far_pct":59.31818181818183,"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":6630,"allowed_height_mm":3657,"pass":true,"margin_mm":3537},"road_slope":{"kind":"road","max_height_mm":6630,"allowed_height_mm":8500,"pass":true,"margin_mm":2480},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":0.5656369859514686,"window_area_m2":44.289376,"floor_area_m2":78.30000000000001,"pass":true},"ventilation":{"required_ratio":0.05,"actual_ratio":0.2828184929757343,"mechanical_units":8,"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":6630,"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":78.30000000000001,"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":8,"ua_w_m2k":0.38467091149846194,"standard_w_m2k":0.0,"envelope_area_m2":362.5710999999999,"wall_area_m2":223.55852399999986,"window_area_m2":44.289376,"roof_area_m2":55.5732,"floor_area_m2":39.150000000000006,"pass":true,"message":"省エネ UA 値: 地域区分 8 は UA 規定外 (冷房負荷別基準)"},"sickhouse":{"habitable_floor_m2":78.30000000000001,"habitable_volume_m3":187.92000000000002,"required_airflow_m3h":93.96000000000001,"estimated_airflow_m3h":821.44688,"air_change_per_hour":4.37125840783312,"pass":true,"message":"シックハウス OK: 換気回数 4.37 回/h ≥ 0.5 回/h (居室 78.3 m² / 自然 221 + 機械 600 m³/h、 機械換気 8 台)"},"neighbor_slope":{"kind":"neighbor","max_height_mm":6630,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807},"shadow":{"regulated":true,"measurement_height_m":1.5,"max_shadow_5m_h":3.75,"limit_5m_h":4.0,"max_shadow_10m_h":0.9166666666666666,"limit_10m_h":2.5,"pass":true,"message":"日影規制 OK: 5m ライン 3.8h ≤ 4.0h / 10m ライン 0.9h ≤ 2.5h (冬至・測定面 1.5m)"},"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":14.5,"road_access_ok":true,"road_message":"接道義務 OK: 幅員 4.0m の道路に 約14.5m 接道 (法 43 条)","lot_area_m2":132.0,"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14.5m 接道 (法 43 条)"}}