{"building_coverage":{"built_area_m2":100.835296,"site_area_m2":360.0,"coverage_pct":28.00980444444444,"limit_pct":50.0,"pass":true},"floor_area_ratio":{"gross_floor_m2":122.99477200000001,"site_area_m2":360.0,"far_pct":34.165214444444445,"limit_pct":100.0,"pass":true,"designated_limit_pct":100.0,"road_limit_pct":160.0,"road_width_m":4.0},"north_slope":{"kind":"north","max_height_mm":3212,"allowed_height_mm":10616,"pass":true,"margin_mm":7496},"road_slope":{"kind":"road","max_height_mm":3212,"allowed_height_mm":14982,"pass":true,"margin_mm":11862},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":0.3295043632340802,"window_area_m2":33.22567,"floor_area_m2":100.83529600000001,"pass":true},"ventilation":{"required_ratio":0.05,"actual_ratio":0.07800223259603736,"mechanical_units":0,"pass":true},"overall_pass":true,"messages":["全項目 OK","「美しいものは長持ちする。」"],"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":212.97896800000004,"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":1,"ua_w_m2k":0.3121812838150004,"standard_w_m2k":0.46,"envelope_area_m2":565.552264,"wall_area_m2":198.65542999999997,"window_area_m2":33.22567,"roof_area_m2":120.69219600000001,"floor_area_m2":212.97896800000004,"pass":true,"message":"省エネ UA 値 OK (地域区分 1): UA=0.312 ≤ 基準 0.46 W/m²K"},"sickhouse":{"habitable_floor_m2":212.97896800000004,"habitable_volume_m3":511.1495232000001,"required_airflow_m3h":255.57476160000004,"estimated_airflow_m3h":166.12835,"air_change_per_hour":0.325009302483489,"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 213.0 m²、 必要 256 m³/h)"},"neighbor_slope":{"kind":"neighbor","max_height_mm":3212,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807},"shadow":{"regulated":false,"measurement_height_m":1.5,"max_shadow_5m_h":0.0,"limit_5m_h":4.0,"max_shadow_10m_h":0.0,"limit_10m_h":2.5,"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":"第一種低層住居専用地域","use_allowed":true,"use_message":"用途制限: 住宅は「第一種低層住居専用地域」で建築可能","road_width_m":4.0,"frontage_m":18.973665961010276,"road_access_ok":true,"road_message":"接道義務 OK: 幅員 4.0m の道路に 約19.0m 接道 (法 43 条)","lot_area_m2":360.0,"min_lot_area_m2":null,"min_lot_ok":true,"pass":true,"message":"用途制限: 住宅は「第一種低層住居専用地域」で建築可能 / 接道義務 OK: 幅員 4.0m の道路に 約19.0m 接道 (法 43 条)"}}