{"building_coverage":{"built_area_m2":82.62,"site_area_m2":330.0,"coverage_pct":25.03636363636364,"limit_pct":60.0,"pass":true},"floor_area_ratio":{"gross_floor_m2":136.091664,"site_area_m2":330.0,"far_pct":41.239898181818184,"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":13250,"pass":true,"margin_mm":7230},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":0.5318694023757399,"window_area_m2":72.382992,"floor_area_m2":136.091664,"pass":true},"ventilation":{"required_ratio":0.05,"actual_ratio":0.26593470118786994,"mechanical_units":9,"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":136.091664,"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":6,"ua_w_m2k":0.35444448283684793,"standard_w_m2k":0.87,"envelope_area_m2":672.470996,"wall_area_m2":349.204508,"window_area_m2":72.382992,"roof_area_m2":182.83766400000002,"floor_area_m2":68.045832,"pass":true,"message":"省エネ UA 値 OK (地域区分 6): UA=0.354 ≤ 基準 0.87 W/m²K"},"sickhouse":{"habitable_floor_m2":136.091664,"habitable_volume_m3":326.6199936,"required_airflow_m3h":163.3099968,"estimated_airflow_m3h":1036.91496,"air_change_per_hour":3.1746830577367326,"pass":true,"message":"シックハウス OK: 換気回数 3.17 回/h ≥ 0.5 回/h (居室 136.1 m² / 自然 362 + 機械 675 m³/h、 機械換気 9 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":20.4,"road_access_ok":true,"road_message":"接道義務 OK: 幅員 4.0m の道路に 約20.4m 接道 (法 43 条)","lot_area_m2":330.0,"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20.4m 接道 (法 43 条)"}}