{"building_coverage":{"built_area_m2":53.8434,"site_area_m2":187.0,"coverage_pct":28.793262032085565,"limit_pct":50.0,"pass":true},"floor_area_ratio":{"gross_floor_m2":101.5092,"site_area_m2":187.0,"far_pct":54.28299465240642,"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":10203,"pass":true,"margin_mm":4183},"road_slope":{"kind":"road","max_height_mm":6700,"allowed_height_mm":9615,"pass":true,"margin_mm":2915},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":0.5102378109570364,"window_area_m2":51.793832,"floor_area_m2":101.5092,"pass":true},"ventilation":{"required_ratio":0.05,"actual_ratio":0.17360091168091168,"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":149.175,"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":0.35995466089938766,"standard_w_m2k":0.87,"envelope_area_m2":506.767,"wall_area_m2":258.761468,"window_area_m2":51.793832,"roof_area_m2":94.70250000000001,"floor_area_m2":101.5092,"pass":true,"message":"省エネ UA 値 OK (地域区分 6): UA=0.360 ≤ 基準 0.87 W/m²K"},"sickhouse":{"habitable_floor_m2":149.175,"habitable_volume_m3":358.02000000000004,"required_airflow_m3h":179.01000000000002,"estimated_airflow_m3h":258.96916,"air_change_per_hour":0.7233371320037986,"pass":true,"message":"シックハウス OK: 換気回数 0.72 回/h ≥ 0.5 回/h (居室 149.2 m² / 自然 259 + 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":2.833333333333333,"limit_5m_h":4.0,"max_shadow_10m_h":1.0,"limit_10m_h":2.5,"pass":true,"message":"日影規制 OK: 5m ライン 2.8h ≤ 4.0h / 10m ライン 1.0h ≤ 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":17.654083569153812,"road_access_ok":true,"road_message":"接道義務 OK: 幅員 4.0m の道路に 約17.7m 接道 (法 43 条)","lot_area_m2":187.0,"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17.7m 接道 (法 43 条)"}}