{"building_coverage":{"built_area_m2":82.486854,"site_area_m2":198.5,"coverage_pct":41.55509017632241,"limit_pct":50.0,"pass":true},"floor_area_ratio":{"gross_floor_m2":164.973708,"site_area_m2":198.5,"far_pct":83.11018035264482,"limit_pct":100.0,"pass":true,"designated_limit_pct":100.0,"road_limit_pct":240.00000000000003,"road_width_m":6.0},"north_slope":{"kind":"north","max_height_mm":6580,"allowed_height_mm":7080,"pass":true,"margin_mm":500},"road_slope":{"kind":"road","max_height_mm":6580,"allowed_height_mm":10455,"pass":true,"margin_mm":3875},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":0.36132787898542,"window_area_m2":59.609600000000015,"floor_area_m2":164.973708,"pass":true},"ventilation":{"required_ratio":0.05,"actual_ratio":0.18066393949271,"mechanical_units":0,"pass":true},"overall_pass":true,"messages":["準防火地域: 延床 165.0 m² / 2 階 → 準耐火建築物 必須 (構造仕様要確認)"],"high_district":{"district":"指定なし","max_height_mm":6580,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807,"message":"高度地区 指定なし → 適用外"},"fire_district":{"district":"準防火地域","gross_floor_m2":164.973708,"stories":2,"required_grade":"準耐火建築物","pass":true,"message":"準防火地域: 延床 165.0 m² / 2 階 → 準耐火建築物 必須 (構造仕様要確認)"},"energy_ua":{"climate_zone":6,"ua_w_m2k":0.6247997296952043,"standard_w_m2k":0.87,"envelope_area_m2":665.1691079999998,"wall_area_m2":429.1383999999998,"window_area_m2":59.609600000000015,"roof_area_m2":93.934254,"floor_area_m2":82.486854,"pass":true,"message":"省エネ UA 値 OK (地域区分 6): UA=0.625 ≤ 基準 0.87 W/m²K"},"sickhouse":{"habitable_floor_m2":164.973708,"habitable_volume_m3":395.93689919999997,"required_airflow_m3h":197.96844959999999,"estimated_airflow_m3h":298.04800000000006,"air_change_per_hour":0.7527664145529583,"pass":true,"message":"シックハウス OK: 換気回数 0.75 回/h ≥ 0.5 回/h (居室 165.0 m² / 自然 298 + 機械 0 m³/h、 機械換気 0 台)"},"neighbor_slope":{"kind":"neighbor","max_height_mm":6580,"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 40%・容積 80%)","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 40%・容積 80%)」で建築可能","road_width_m":6.0,"frontage_m":16.5,"road_access_ok":true,"road_message":"接道義務 OK: 幅員 6.0m の道路に 約16.5m 接道 (法 43 条)","lot_area_m2":198.5,"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 40%・容積 80%)」で建築可能 / 接道義務 OK: 幅員 6.0m の道路に 約16.5m 接道 (法 43 条)"},"absolute_height":{"kind":"absolute_height","max_height_mm":6580,"allowed_height_mm":10000,"pass":true,"margin_mm":3420}}