{"building_coverage":{"built_area_m2":47.52,"site_area_m2":57.3,"coverage_pct":82.93193717277488,"limit_pct":80.0,"pass":false},"floor_area_ratio":{"gross_floor_m2":72.6,"site_area_m2":57.3,"far_pct":126.70157068062827,"limit_pct":240.0,"pass":true,"designated_limit_pct":300.0,"road_limit_pct":240.0,"road_width_m":4.0},"north_slope":{"kind":"north","max_height_mm":7000,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807},"road_slope":{"kind":"road","max_height_mm":7000,"allowed_height_mm":-2475,"pass":false,"margin_mm":-9475},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":0.0,"window_area_m2":0.0,"floor_area_m2":72.6,"pass":false},"ventilation":{"required_ratio":0.05,"actual_ratio":0.0,"mechanical_units":0,"pass":false},"overall_pass":false,"messages":["建ぺい率 NG: 82.9% > 80% (用途地域: 近隣商業地域)","「家を小さくしたほうが、空が広く見えるかもしれません。」","道路斜線 NG: 高さ超過 7000 mm (許容 -2475 mm) ※天空率でも不適合","「道路の向こうから見たあなたの家、思い出してください。」","採光 NG: 窓面積比 0.000 < 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 0.000 < 1/20 (0.050)","「家は呼吸する生き物です。」","→ 修正案: 建築面積を 1.7 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: 道路側の建物高さを 9475 mm 下げる、または道路境界から 9475 mm 後退。","→ 修正案: 窓面積を 10.37 m² 増やす (例: 5.2m × 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":7000,"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":72.6,"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":0.46231647634584006,"standard_w_m2k":0.87,"envelope_area_m2":269.72,"wall_area_m2":197.12,"window_area_m2":0.0,"roof_area_m2":36.3,"floor_area_m2":36.3,"pass":true,"message":"省エネ UA 値 OK (地域区分 6): UA=0.462 ≤ 基準 0.87 W/m²K"},"sickhouse":{"habitable_floor_m2":72.6,"habitable_volume_m3":174.23999999999998,"required_airflow_m3h":87.11999999999999,"estimated_airflow_m3h":0.0,"air_change_per_hour":0.0,"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 72.6 m²、 必要 87 m³/h)"},"neighbor_slope":{"kind":"neighbor","max_height_mm":7000,"allowed_height_mm":32250,"pass":true,"margin_mm":25250},"shadow":{"regulated":false,"measurement_height_m":4.0,"max_shadow_5m_h":0.0,"limit_5m_h":5.0,"max_shadow_10m_h":0.0,"limit_10m_h":3.0,"pass":true,"message":"日影規制: 対象外 (用途地域・規模が規制要件未満)"},"site_eligibility":{"zoning":"近隣商業地域","use_allowed":true,"use_message":"用途制限: 住宅は「近隣商業地域」で建築可能","road_width_m":4.0,"frontage_m":14.4,"road_access_ok":true,"road_message":"接道義務 OK: 幅員 4.0m の道路に 約14.4m 接道 (法 43 条)","lot_area_m2":57.3,"min_lot_area_m2":null,"min_lot_ok":true,"pass":true,"message":"用途制限: 住宅は「近隣商業地域」で建築可能 / 接道義務 OK: 幅員 4.0m の道路に 約14.4m 接道 (法 43 条)"},"absolute_height":{"kind":"absolute_height","max_height_mm":6200,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807}}