{"building_coverage":{"built_area_m2":81.389236,"site_area_m2":325.6,"coverage_pct":24.996694103194102,"limit_pct":60.0,"pass":true},"floor_area_ratio":{"gross_floor_m2":99.67053,"site_area_m2":325.6,"far_pct":30.611342137592136,"limit_pct":200.0,"pass":true,"designated_limit_pct":200.0,"road_limit_pct":160.0,"road_width_m":4.0},"north_slope":{"kind":"north","max_height_mm":3212,"allowed_height_mm":16780,"pass":true,"margin_mm":13660},"road_slope":{"kind":"road","max_height_mm":3212,"allowed_height_mm":11485,"pass":true,"margin_mm":8365},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":0.5201924736743702,"window_area_m2":41.628333000000005,"floor_area_m2":80.024866,"pass":true},"ventilation":{"required_ratio":0.05,"actual_ratio":0.11495743620921284,"mechanical_units":0,"pass":true},"overall_pass":true,"messages":["容積率 補足: 前面道路幅員が未登録のため指定 200% で判定中。仮に 4.0m とすると 160% に低減 (法52条2項) — set_site_context で実幅員を登録してください。"],"high_district":{"district":"指定なし","max_height_mm":3212,"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":181.059766,"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":2,"ua_w_m2k":0.338993473172218,"standard_w_m2k":0.46,"envelope_area_m2":482.58022200000005,"wall_area_m2":152.262767,"window_area_m2":41.628333000000005,"roof_area_m2":107.62935600000002,"floor_area_m2":181.059766,"pass":true,"message":"省エネ UA 値 OK (地域区分 2): UA=0.339 ≤ 基準 0.46 W/m²K"},"sickhouse":{"habitable_floor_m2":181.059766,"habitable_volume_m3":434.54343839999996,"required_airflow_m3h":217.27171919999998,"estimated_airflow_m3h":208.14166500000002,"air_change_per_hour":0.4789893175383868,"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 181.1 m²、 必要 217 m³/h)"},"neighbor_slope":{"kind":"neighbor","max_height_mm":3212,"allowed_height_mm":20625,"pass":true,"margin_mm":17413},"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":"第一種中高層住居専用地域","use_allowed":true,"use_message":"用途制限: 住宅は「第一種中高層住居専用地域」で建築可能","road_width_m":4.0,"frontage_m":23.2952069462082,"road_access_ok":true,"road_message":"接道義務 OK: 幅員 4.0m の道路に 約23.3m 接道 (法 43 条)","lot_area_m2":325.6,"min_lot_area_m2":null,"min_lot_ok":true,"pass":true,"message":"用途制限: 住宅は「第一種中高層住居専用地域」で建築可能 / 接道義務 OK: 幅員 4.0m の道路に 約23.3m 接道 (法 43 条)"}}