{"building_coverage":{"built_area_m2":53.7674,"site_area_m2":172.0,"coverage_pct":31.260116279069766,"limit_pct":50.0,"pass":true},"floor_area_ratio":{"gross_floor_m2":132.69029999999998,"site_area_m2":172.0,"far_pct":77.14552325581394,"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":8920,"allowed_height_mm":8696,"pass":false,"margin_mm":-224},"road_slope":{"kind":"road","max_height_mm":8920,"allowed_height_mm":11695,"pass":true,"margin_mm":2775},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":0.6722621020526746,"window_area_m2":89.20266,"floor_area_m2":132.69029999999998,"pass":true},"ventilation":{"required_ratio":0.05,"actual_ratio":0.2497424537752262,"mechanical_units":0,"pass":true},"overall_pass":true,"messages":["北側斜線: 斜線では超過するが天空率 (法56条7項) により適合"],"high_district":{"district":"指定なし","max_height_mm":8920,"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":178.58929999999998,"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":0.3847066427207971,"standard_w_m2k":0.87,"envelope_area_m2":620.0094999999999,"wall_area_m2":231.60114,"window_area_m2":89.20266,"roof_area_m2":200.51999999999995,"floor_area_m2":98.68569999999998,"pass":true,"message":"省エネ UA 値 OK (地域区分 6): UA=0.385 ≤ 基準 0.87 W/m²K"},"sickhouse":{"habitable_floor_m2":178.58929999999998,"habitable_volume_m3":428.61431999999996,"required_airflow_m3h":214.30715999999998,"estimated_airflow_m3h":446.01329999999996,"air_change_per_hour":1.0405935573967757,"pass":true,"message":"シックハウス OK: 換気回数 1.04 回/h ≥ 0.5 回/h (居室 178.6 m² / 自然 446 + 機械 0 m³/h、 機械換気 0 台)"},"neighbor_slope":{"kind":"neighbor","max_height_mm":8920,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807},"shadow":{"regulated":true,"measurement_height_m":1.5,"max_shadow_5m_h":3.6666666666666665,"limit_5m_h":4.0,"max_shadow_10m_h":2.0,"limit_10m_h":2.5,"pass":true,"message":"日影規制 OK: 5m ライン 3.7h ≤ 4.0h / 10m ライン 2.0h ≤ 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":13.114877048604002,"road_access_ok":true,"road_message":"接道義務 OK: 幅員 4.0m の道路に 約13.1m 接道 (法 43 条)","lot_area_m2":172.0,"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13.1m 接道 (法 43 条)"}}