{"building_coverage":{"built_area_m2":252.96,"site_area_m2":300.0,"coverage_pct":84.32000000000001,"limit_pct":70.0,"pass":false},"floor_area_ratio":{"gross_floor_m2":234.0,"site_area_m2":300.0,"far_pct":78.0,"limit_pct":200.0,"pass":true},"north_slope":{"kind":"north","max_height_mm":3030,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807},"road_slope":{"kind":"road","max_height_mm":3030,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":0.021153846153846155,"window_area_m2":4.95,"floor_area_m2":234.0,"pass":false},"ventilation":{"required_ratio":0.05,"actual_ratio":0.010576923076923078,"pass":false},"overall_pass":false,"messages":["建ぺい率 NG: 84.3% > 70% (用途地域: )","「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 0.021 < 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。」","換気 NG: 有効換気面積比 0.011 < 1/20 (0.050)","「家は呼吸する生き物です。」","→ 修正案: 建築面積を 43.0 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 28.48 m² 増やす (例: 14.2m × 2m の窓を追加)。","→ 修正案: 開閉可能な窓を増やすか、24時間機械換気を設置。"],"high_district":{"district":"指定なし","max_height_mm":3030,"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":234.0,"stories":1,"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":1,"ua_w_m2k":0.23746103062534388,"standard_w_m2k":0.46,"envelope_area_m2":654.36,"wall_area_m2":162.45000000000002,"window_area_m2":4.95,"roof_area_m2":252.96,"floor_area_m2":234.0,"pass":true,"message":"省エネ UA 値 OK (地域区分 1): UA=0.237 ≤ 基準 0.46 W/m²K"},"sickhouse":{"habitable_floor_m2":234.0,"habitable_volume_m3":561.6,"required_airflow_m3h":280.8,"estimated_airflow_m3h":24.75,"air_change_per_hour":0.04407051282051282,"pass":true,"message":"シックハウス OK (設計前提): BIM 内に 24h 機械換気 未モデル。 建基法 28 条の 2 で 0.5 回/h 機械換気が法定 — 実工事で必ず設置設計してください (居室 234.0 m²、 必要 281 m³/h)"}}