{"building_coverage":{"built_area_m2":48.0,"site_area_m2":0.0,"coverage_pct":4800.0,"limit_pct":80.0,"pass":false},"floor_area_ratio":{"gross_floor_m2":48.0,"site_area_m2":0.0,"far_pct":4800.0,"limit_pct":300.0,"pass":false,"designated_limit_pct":300.0,"road_limit_pct":240.0,"road_width_m":4.0},"north_slope":{"kind":"north","max_height_mm":2850,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807},"road_slope":{"kind":"road","max_height_mm":2850,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807},"daylight":{"required_ratio":0.08,"actual_ratio":0.11812500000000002,"window_area_m2":11.340000000000002,"floor_area_m2":96.0,"pass":true},"ventilation":{"required_ratio":0.04,"actual_ratio":0.05906250000000001,"mechanical_units":0,"pass":true},"overall_pass":false,"messages":["建ぺい率 NG: 4800.0% > 80% (用途地域: 近隣商業 (conceptual))","「家を小さくしたほうが、空が広く見えるかもしれません。」","容積率 NG: 4800.0% > 300% (前面道路 4.0m により指定 300% → 240% に低減・法52条2項)","「容積率は、社会との約束です。約束は約束です。」","→ 修正案: 建築面積を 48.0 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: 延床面積を 48.0 m² 縮小、または 1 階を吹き抜けに。","用途制限: 住宅は「近隣商業 (conceptual)」で建築可能 / 接道義務 NG: 推定接道長さ 0.0m < 2m (法 43 条)"],"high_district":{"district":"指定なし","max_height_mm":2850,"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":96.0,"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":6,"ua_w_m2k":0.33844474761255117,"standard_w_m2k":0.87,"envelope_area_m2":197.91000000000003,"wall_area_m2":90.57000000000002,"window_area_m2":11.340000000000002,"roof_area_m2":0.0,"floor_area_m2":96.0,"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":96.0,"habitable_volume_m3":230.39999999999998,"required_airflow_m3h":115.19999999999999,"estimated_airflow_m3h":56.70000000000001,"air_change_per_hour":0.24609375000000006,"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 96.0 m²、 必要 115 m³/h)"},"neighbor_slope":{"kind":"neighbor","max_height_mm":2850,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807},"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 (conceptual)","use_allowed":true,"use_message":"用途制限: 住宅は「近隣商業 (conceptual)」で建築可能","road_width_m":4.0,"frontage_m":0.0,"road_access_ok":false,"road_message":"接道義務 NG: 推定接道長さ 0.0m < 2m (法 43 条)","lot_area_m2":0.0,"min_lot_area_m2":null,"min_lot_ok":true,"pass":false,"message":"用途制限: 住宅は「近隣商業 (conceptual)」で建築可能 / 接道義務 NG: 推定接道長さ 0.0m < 2m (法 43 条)"}}