{"building_coverage":{"built_area_m2":13.5432,"site_area_m2":20.5,"coverage_pct":66.06439024390244,"limit_pct":80.0,"pass":true},"floor_area_ratio":{"gross_floor_m2":49.896,"site_area_m2":20.5,"far_pct":243.3951219512195,"limit_pct":500.0,"pass":true,"designated_limit_pct":500.0,"road_limit_pct":240.0,"road_width_m":4.0},"north_slope":{"kind":"north","max_height_mm":12000,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807},"road_slope":{"kind":"road","max_height_mm":12000,"allowed_height_mm":21720,"pass":true,"margin_mm":9720},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":0.4318582651915985,"window_area_m2":21.548,"floor_area_m2":49.896,"pass":true},"ventilation":{"required_ratio":0.05,"actual_ratio":0.21592913259579924,"mechanical_units":9,"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 500% 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":12000,"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":49.896,"stories":4,"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":0.33830656183606916,"standard_w_m2k":0.87,"envelope_area_m2":354.70559999999995,"wall_area_m2":303.21999999999997,"window_area_m2":21.548,"roof_area_m2":9.9792,"floor_area_m2":19.9584,"pass":true,"message":"省エネ UA 値 OK (地域区分 6): UA=0.338 ≤ 基準 0.87 W/m²K"},"sickhouse":{"habitable_floor_m2":49.896,"habitable_volume_m3":119.7504,"required_airflow_m3h":59.8752,"estimated_airflow_m3h":782.74,"air_change_per_hour":6.536429105873551,"pass":true,"message":"シックハウス OK: 換気回数 6.54 回/h ≥ 0.5 回/h (居室 49.9 m² / 自然 108 + 機械 675 m³/h、 機械換気 9 台)"},"neighbor_slope":{"kind":"neighbor","max_height_mm":12000,"allowed_height_mm":32250,"pass":true,"margin_mm":20250},"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":"商業地域","use_allowed":true,"use_message":"用途制限: 住宅は「商業地域」で建築可能","road_width_m":4.0,"frontage_m":5.5,"road_access_ok":true,"road_message":"接道義務 OK: 幅員 4.0m の道路に 約5.5m 接道 (法 43 条)","lot_area_m2":20.5,"min_lot_area_m2":null,"min_lot_ok":true,"pass":true,"message":"用途制限: 住宅は「商業地域」で建築可能 / 接道義務 OK: 幅員 4.0m の道路に 約5.5m 接道 (法 43 条)"}}