{"building_coverage":{"built_area_m2":109.75,"site_area_m2":140.0,"coverage_pct":78.39285714285714,"limit_pct":50.0,"pass":false},"floor_area_ratio":{"gross_floor_m2":120.5,"site_area_m2":140.0,"far_pct":86.07142857142858,"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":0.10277904328018223,"window_area_m2":22.56,"floor_area_m2":219.5,"pass":false},"ventilation":{"required_ratio":0.05,"actual_ratio":0.05138952164009111,"pass":true},"overall_pass":false,"messages":["建ぺい率 NG: 78.4% > 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。」","採光 NG: 窓面積比 0.103 < 1/7 (0.143)","「窓は、外と内を引き合わせる、もっとも誠実な装置です。」","→ 修正案: 建築面積を 39.8 m² 縮小すれば適合。例えば 1階の外壁を内側に動かす。","→ 修正案: 窓面積を 8.80 m² 増やす (例: 4.4m × 2m の窓を追加)。"],"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":219.5,"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":0.2979639700281651,"standard_w_m2k":0.87,"envelope_area_m2":564.53,"wall_area_m2":223.47,"window_area_m2":22.56,"roof_area_m2":99.0,"floor_area_m2":219.5,"pass":true,"message":"省エネ UA 値 OK (地域区分 6): UA=0.298 ≤ 基準 0.87 W/m²K"},"sickhouse":{"habitable_floor_m2":219.5,"habitable_volume_m3":526.8,"required_airflow_m3h":263.4,"estimated_airflow_m3h":412.8,"air_change_per_hour":0.7835990888382689,"pass":true,"message":"シックハウス OK: 換気回数 0.78 回/h ≥ 0.5 回/h (居室 219.5 m² / 自然 113 + 機械 300 m³/h、 機械換気 4 台)"}}