{"building_coverage":{"built_area_m2":134.95,"site_area_m2":220.0,"coverage_pct":61.34090909090909,"limit_pct":50.0,"pass":false},"floor_area_ratio":{"gross_floor_m2":137.4,"site_area_m2":220.0,"far_pct":62.45454545454546,"limit_pct":100.0,"pass":true},"north_slope":{"kind":"north","max_height_mm":5000,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807},"road_slope":{"kind":"road","max_height_mm":5000,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":0.18900169204737738,"window_area_m2":44.68000000000001,"floor_area_m2":236.39999999999998,"pass":true},"ventilation":{"required_ratio":0.05,"actual_ratio":0.09450084602368869,"pass":true},"overall_pass":false,"messages":["建ぺい率 NG: 61.3% > 50% (用途地域: 第一種低層住居専用地域)","「家を小さくしたほうが、空が広く見えるかもしれません。」","→ 修正案: 建築面積を 24.9 m² 縮小すれば適合。例えば 1階の外壁を内側に動かす。"],"high_district":{"district":"指定なし","max_height_mm":5000,"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":236.39999999999998,"stories":2,"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":0.33510944846064405,"standard_w_m2k":0.87,"envelope_area_m2":593.43,"wall_area_m2":213.34999999999997,"window_area_m2":44.68000000000001,"roof_area_m2":99.0,"floor_area_m2":236.39999999999998,"pass":true,"message":"省エネ UA 値 OK (地域区分 6): UA=0.335 ≤ 基準 0.87 W/m²K"},"sickhouse":{"habitable_floor_m2":236.39999999999998,"habitable_volume_m3":567.3599999999999,"required_airflow_m3h":283.67999999999995,"estimated_airflow_m3h":523.4000000000001,"air_change_per_hour":0.9225183305132547,"pass":true,"message":"シックハウス OK: 換気回数 0.92 回/h ≥ 0.5 回/h (居室 236.4 m² / 自然 223 + 機械 300 m³/h、 機械換気 4 台)"}}