{"building_coverage":{"built_area_m2":73.4559,"site_area_m2":260.0,"coverage_pct":28.25226923076923,"limit_pct":60.0,"pass":true},"floor_area_ratio":{"gross_floor_m2":138.5034,"site_area_m2":260.0,"far_pct":53.270538461538465,"limit_pct":300.0,"pass":true,"designated_limit_pct":300.0,"road_limit_pct":160.0,"road_width_m":4.0},"north_slope":{"kind":"north","max_height_mm":6112,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807},"road_slope":{"kind":"road","max_height_mm":6112,"allowed_height_mm":11937,"pass":true,"margin_mm":5917},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":0.402806140499078,"window_area_m2":55.79002,"floor_area_m2":138.5034,"pass":true},"ventilation":{"required_ratio":0.05,"actual_ratio":0.1370419388958732,"mechanical_units":8,"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 300% 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":6112,"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":203.5509,"stories":3,"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":0.3564720140574936,"standard_w_m2k":0.87,"envelope_area_m2":578.4815000000001,"wall_area_m2":286.74058,"window_area_m2":55.79002,"roof_area_m2":97.4475,"floor_area_m2":138.5034,"pass":true,"message":"省エネ UA 値 OK (地域区分 6): UA=0.356 ≤ 基準 0.87 W/m²K"},"sickhouse":{"habitable_floor_m2":203.5509,"habitable_volume_m3":488.52216,"required_airflow_m3h":244.26108,"estimated_airflow_m3h":878.9501,"air_change_per_hour":1.7992021078429687,"pass":true,"message":"シックハウス OK: 換気回数 1.80 回/h ≥ 0.5 回/h (居室 203.6 m² / 自然 279 + 機械 600 m³/h、 機械換気 8 台)"},"neighbor_slope":{"kind":"neighbor","max_height_mm":6112,"allowed_height_mm":20625,"pass":true,"margin_mm":14513},"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":"第一種住居地域","use_allowed":true,"use_message":"用途制限: 住宅は「第一種住居地域」で建築可能","road_width_m":4.0,"frontage_m":17.7,"road_access_ok":true,"road_message":"接道義務 OK: 幅員 4.0m の道路に 約17.7m 接道 (法 43 条)","lot_area_m2":260.0,"min_lot_area_m2":null,"min_lot_ok":true,"pass":true,"message":"用途制限: 住宅は「第一種住居地域」で建築可能 / 接道義務 OK: 幅員 4.0m の道路に 約17.7m 接道 (法 43 条)"}}