{"building_coverage":{"built_area_m2":110.25,"site_area_m2":220.0,"coverage_pct":50.11363636363636,"limit_pct":50.0,"pass":false},"floor_area_ratio":{"gross_floor_m2":123.95,"site_area_m2":220.0,"far_pct":56.34090909090909,"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":0.2004036779546984,"window_area_m2":44.68000000000001,"floor_area_m2":222.95,"pass":true},"ventilation":{"required_ratio":0.05,"actual_ratio":0.1002018389773492,"pass":true},"overall_pass":false,"messages":["建ぺい率 NG: 50.1% > 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 0.2 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":222.95,"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":0.33757878798549246,"standard_w_m2k":0.87,"envelope_area_m2":567.98,"wall_area_m2":201.35,"window_area_m2":44.68000000000001,"roof_area_m2":99.0,"floor_area_m2":222.95,"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":222.95,"habitable_volume_m3":535.0799999999999,"required_airflow_m3h":267.53999999999996,"estimated_airflow_m3h":523.4000000000001,"air_change_per_hour":0.9781714883755703,"pass":true,"message":"シックハウス OK: 換気回数 0.98 回/h ≥ 0.5 回/h (居室 222.9 m² / 自然 223 + 機械 300 m³/h、 機械換気 4 台)"}}