{"building_coverage":{"built_area_m2":19.99684,"site_area_m2":448.0,"coverage_pct":4.463580357142857,"limit_pct":70.0,"pass":true},"floor_area_ratio":{"gross_floor_m2":19.99684,"site_area_m2":448.0,"far_pct":4.463580357142857,"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":3030,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807},"road_slope":{"kind":"road","max_height_mm":3030,"allowed_height_mm":7250,"pass":true,"margin_mm":4220},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":0.5304838164429981,"window_area_m2":10.608000000000002,"floor_area_m2":19.99684,"pass":true},"ventilation":{"required_ratio":0.05,"actual_ratio":0.26524190822149907,"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":3030,"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":19.99684,"stories":1,"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":0.3409514137607113,"standard_w_m2k":0.46,"envelope_area_m2":122.08148000000003,"wall_area_m2":65.48340000000002,"window_area_m2":10.608000000000002,"roof_area_m2":25.99324,"floor_area_m2":19.99684,"pass":true,"message":"省エネ UA 値 OK (地域区分 1): UA=0.341 ≤ 基準 0.46 W/m²K"},"sickhouse":{"habitable_floor_m2":19.99684,"habitable_volume_m3":47.992416,"required_airflow_m3h":23.996208,"estimated_airflow_m3h":53.04000000000001,"air_change_per_hour":1.1051746175895794,"pass":true,"message":"シックハウス OK: 換気回数 1.11 回/h ≥ 0.5 回/h (居室 20.0 m² / 自然 53 + 機械 0 m³/h、 機械換気 0 台)"},"neighbor_slope":{"kind":"neighbor","max_height_mm":3030,"allowed_height_mm":20625,"pass":true,"margin_mm":17595},"shadow":{"regulated":false,"measurement_height_m":4.0,"max_shadow_5m_h":0.0,"limit_5m_h":0.0,"max_shadow_10m_h":0.0,"limit_10m_h":0.0,"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":"都市計画区域外（用途地域指定なし）","use_allowed":true,"use_message":"用途制限: 住宅は「都市計画区域外（用途地域指定なし）」で建築可能","road_width_m":4.0,"frontage_m":27.325202042558928,"road_access_ok":true,"road_message":"接道義務 OK: 幅員 4.0m の道路に 約27.3m 接道 (法 43 条)","lot_area_m2":448.0,"min_lot_area_m2":null,"min_lot_ok":true,"pass":true,"message":"用途制限: 住宅は「都市計画区域外（用途地域指定なし）」で建築可能 / 接道義務 OK: 幅員 4.0m の道路に 約27.3m 接道 (法 43 条)"}}