{"building_coverage":{"built_area_m2":0.0,"site_area_m2":448.0,"coverage_pct":0.0,"limit_pct":70.0,"pass":true},"floor_area_ratio":{"gross_floor_m2":4344.0,"site_area_m2":448.0,"far_pct":969.6428571428571,"limit_pct":200.0,"pass":false,"designated_limit_pct":200.0,"road_limit_pct":160.0,"road_width_m":4.0},"north_slope":{"kind":"north","max_height_mm":330000,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807},"road_slope":{"kind":"road","max_height_mm":330000,"allowed_height_mm":108091,"pass":true,"margin_mm":83891},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":0.0,"window_area_m2":0.0,"floor_area_m2":4344.0,"pass":false},"ventilation":{"required_ratio":0.05,"actual_ratio":0.0,"mechanical_units":0,"pass":false},"overall_pass":false,"messages":["容積率 NG: 969.6% > 200% (前面道路 4.0m により指定 200% → 160% 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。」","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: 延床面積を 3448.0 m² 縮小、または 1 階を吹き抜けに。","→ 修正案: 窓面積を 620.57 m² 増やす (例: 310.3m × 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 330000 mm > 許容 20625 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":330000,"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":4344.0,"stories":100,"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":0.0,"standard_w_m2k":0.87,"envelope_area_m2":0.0,"wall_area_m2":0.0,"window_area_m2":0.0,"roof_area_m2":0.0,"floor_area_m2":0.0,"pass":true,"message":"省エネ UA 値 OK (地域区分 6): UA=0.000 ≤ 基準 0.87 W/m²K"},"sickhouse":{"habitable_floor_m2":4344.0,"habitable_volume_m3":10425.6,"required_airflow_m3h":5212.8,"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 4344.0 m²、 必要 5213 m³/h)"},"neighbor_slope":{"kind":"neighbor","max_height_mm":330000,"allowed_height_mm":20625,"pass":false,"margin_mm":-309375},"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":"","use_allowed":true,"use_message":"用途制限: 住宅は「用途地域指定なし」で建築可能","road_width_m":4.0,"frontage_m":18.708286933869704,"road_access_ok":true,"road_message":"接道義務 OK: 幅員 4.0m の道路に 約18.7m 接道 (法 43 条)","lot_area_m2":448.0,"min_lot_area_m2":null,"min_lot_ok":true,"pass":true,"message":"用途制限: 住宅は「用途地域指定なし」で建築可能 / 接道義務 OK: 幅員 4.0m の道路に 約18.7m 接道 (法 43 条)"}}