{"building_coverage":{"built_area_m2":82.8478,"site_area_m2":264.0,"coverage_pct":31.381742424242425,"limit_pct":50.0,"pass":true},"floor_area_ratio":{"gross_floor_m2":147.1078,"site_area_m2":264.0,"far_pct":55.72265151515151,"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":6700,"allowed_height_mm":10140,"pass":true,"margin_mm":4120},"road_slope":{"kind":"road","max_height_mm":6700,"allowed_height_mm":12625,"pass":true,"margin_mm":5925},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":0.5980443729020488,"window_area_m2":87.97699200000001,"floor_area_m2":147.1078,"pass":true},"ventilation":{"required_ratio":0.05,"actual_ratio":0.21565546501104546,"mechanical_units":0,"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":6700,"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":203.9758,"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":6,"ua_w_m2k":0.39533100704605456,"standard_w_m2k":0.87,"envelope_area_m2":610.4834999999999,"wall_area_m2":226.71520799999996,"window_area_m2":87.97699200000001,"roof_area_m2":148.6835,"floor_area_m2":147.1078,"pass":true,"message":"省エネ UA 値 OK (地域区分 6): UA=0.395 ≤ 基準 0.87 W/m²K"},"sickhouse":{"habitable_floor_m2":203.9758,"habitable_volume_m3":489.54191999999995,"required_airflow_m3h":244.77095999999997,"estimated_airflow_m3h":439.88496000000004,"air_change_per_hour":0.8985644375460228,"pass":true,"message":"シックハウス OK: 換気回数 0.90 回/h ≥ 0.5 回/h (居室 204.0 m² / 自然 440 + 機械 0 m³/h、 機械換気 0 台)"},"neighbor_slope":{"kind":"neighbor","max_height_mm":6700,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807},"shadow":{"regulated":true,"measurement_height_m":1.5,"max_shadow_5m_h":1.8333333333333333,"limit_5m_h":4.0,"max_shadow_10m_h":0.75,"limit_10m_h":2.5,"pass":true,"message":"日影規制 OK: 5m ライン 1.8h ≤ 4.0h / 10m ライン 0.8h ≤ 2.5h (冬至・測定面 1.5m)"},"site_eligibility":{"zoning":"第二種低層住居専用地域","use_allowed":true,"use_message":"用途制限: 住宅は「第二種低層住居専用地域」で建築可能","road_width_m":4.0,"frontage_m":16.248076809271918,"road_access_ok":true,"road_message":"接道義務 OK: 幅員 4.0m の道路に 約16.2m 接道 (法 43 条)","lot_area_m2":264.0,"min_lot_area_m2":null,"min_lot_ok":true,"pass":true,"message":"用途制限: 住宅は「第二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16.2m 接道 (法 43 条)"}}