{"building_coverage":{"built_area_m2":115.6926,"site_area_m2":420.0,"coverage_pct":27.545857142857145,"limit_pct":60.0,"pass":true},"floor_area_ratio":{"gross_floor_m2":210.45000000000002,"site_area_m2":420.0,"far_pct":50.10714285714286,"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":14937,"pass":true,"margin_mm":8917},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":0.3452930957472084,"window_area_m2":72.66693200000002,"floor_area_m2":210.45000000000002,"pass":true},"ventilation":{"required_ratio":0.05,"actual_ratio":0.1726465478736042,"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":210.45000000000002,"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":8,"ua_w_m2k":0.36436571397464723,"standard_w_m2k":0.0,"envelope_area_m2":676.0142000000002,"wall_area_m2":366.6772680000001,"window_area_m2":72.66693200000002,"roof_area_m2":131.445,"floor_area_m2":105.22500000000001,"pass":true,"message":"省エネ UA 値: 地域区分 8 は UA 規定外 (冷房負荷別基準)"},"sickhouse":{"habitable_floor_m2":210.45000000000002,"habitable_volume_m3":505.08000000000004,"required_airflow_m3h":252.54000000000002,"estimated_airflow_m3h":963.3346600000001,"air_change_per_hour":1.9072912409915261,"pass":true,"message":"シックハウス OK: 換気回数 1.91 回/h ≥ 0.5 回/h (居室 210.5 m² / 自然 363 + 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":23.0,"road_access_ok":true,"road_message":"接道義務 OK: 幅員 4.0m の道路に 約23.0m 接道 (法 43 条)","lot_area_m2":420.0,"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23.0m 接道 (法 43 条)"}}