{"building_coverage":{"built_area_m2":1140.0,"site_area_m2":442.7,"coverage_pct":257.51072961373393,"limit_pct":80.0,"pass":false},"floor_area_ratio":{"gross_floor_m2":1140.0,"site_area_m2":442.7,"far_pct":257.51072961373393,"limit_pct":500.0,"pass":true,"designated_limit_pct":500.0,"road_limit_pct":500.0,"road_width_m":22.0},"north_slope":{"kind":"north","max_height_mm":42000,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807},"road_slope":{"kind":"road","max_height_mm":42000,"allowed_height_mm":-10500,"pass":false,"margin_mm":-30500},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":0.0023947368421052607,"window_area_m2":2.7299999999999973,"floor_area_m2":1140.0,"pass":false},"ventilation":{"required_ratio":0.05,"actual_ratio":0.0011973684210526303,"mechanical_units":0,"pass":false},"overall_pass":false,"messages":["建ぺい率 NG: 257.5% > 80% (用途地域: 商業地域 (旧))","「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: 斜線では超過するが天空率 (法56条7項) により適合","採光 NG: 窓面積比 0.002 < 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 0.001 < 1/20 (0.050)","「家は呼吸する生き物です。」","→ 修正案: 建築面積を 785.8 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 160.13 m² 増やす (例: 80.1m × 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。","隣地斜線 NG: 高さ 42000 mm > 許容 32250 mm (法56条1項2号)","「隣の空も、共有の財産です。」"],"high_district":{"district":"指定なし","max_height_mm":42000,"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":1140.0,"stories":14,"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":0.48853198067632847,"standard_w_m2k":0.87,"envelope_area_m2":1552.5,"wall_area_m2":409.77,"window_area_m2":2.7299999999999973,"roof_area_m2":0.0,"floor_area_m2":1140.0,"pass":true,"message":"省エネ UA 値 OK (地域区分 6): UA=0.489 ≤ 基準 0.87 W/m²K"},"sickhouse":{"habitable_floor_m2":1140.0,"habitable_volume_m3":2736.0,"required_airflow_m3h":1368.0,"estimated_airflow_m3h":13.649999999999986,"air_change_per_hour":0.004989035087719293,"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 1140.0 m²、 必要 1368 m³/h)"},"neighbor_slope":{"kind":"neighbor","max_height_mm":42000,"allowed_height_mm":32250,"pass":false,"margin_mm":-9750},"shadow":{"regulated":false,"measurement_height_m":4.0,"max_shadow_5m_h":0.0,"limit_5m_h":0.0,"max_shadow_10m_h":0.0,"limit_10m_h":0.0,"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":"商業地域 (旧)","use_allowed":true,"use_message":"用途制限: 住宅は「商業地域 (旧)」で建築可能","road_width_m":22.0,"frontage_m":22.7,"road_access_ok":true,"road_message":"接道義務 OK: 幅員 22.0m の道路に 約22.7m 接道 (法 43 条)","lot_area_m2":442.7,"min_lot_area_m2":null,"min_lot_ok":true,"pass":true,"message":"用途制限: 住宅は「商業地域 (旧)」で建築可能 / 接道義務 OK: 幅員 22.0m の道路に 約22.7m 接道 (法 43 条)"}}