{"building_coverage":{"built_area_m2":46.123,"site_area_m2":173.67336,"coverage_pct":26.55732577523691,"limit_pct":60.0,"pass":true},"floor_area_ratio":{"gross_floor_m2":80.29112000000002,"site_area_m2":173.67336,"far_pct":46.23110878951154,"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":11360,"pass":true,"margin_mm":5340},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":0.7773791796651983,"window_area_m2":62.41664500000001,"floor_area_m2":80.29112000000002,"pass":true},"ventilation":{"required_ratio":0.05,"actual_ratio":0.38868958983259916,"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 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":80.29112000000002,"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":0.39366925088113175,"standard_w_m2k":0.87,"envelope_area_m2":416.49278000000004,"wall_area_m2":188.37245500000003,"window_area_m2":62.41664500000001,"roof_area_m2":125.55812,"floor_area_m2":40.14556000000001,"pass":true,"message":"省エネ UA 値 OK (地域区分 6): UA=0.394 ≤ 基準 0.87 W/m²K"},"sickhouse":{"habitable_floor_m2":80.29112000000002,"habitable_volume_m3":192.69868800000003,"required_airflow_m3h":96.34934400000002,"estimated_airflow_m3h":312.083225,"air_change_per_hour":1.6195399576358298,"pass":true,"message":"シックハウス OK: 換気回数 1.62 回/h ≥ 0.5 回/h (居室 80.3 m² / 自然 312 + 機械 0 m³/h、 機械換気 0 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":"第二種住居地域","use_allowed":true,"use_message":"用途制限: 住宅は「第二種住居地域」で建築可能","road_width_m":4.0,"frontage_m":13.178518884912673,"road_access_ok":true,"road_message":"接道義務 OK: 幅員 4.0m の道路に 約13.2m 接道 (法 43 条)","lot_area_m2":173.67336,"min_lot_area_m2":null,"min_lot_ok":true,"pass":true,"message":"用途制限: 住宅は「第二種住居地域」で建築可能 / 接道義務 OK: 幅員 4.0m の道路に 約13.2m 接道 (法 43 条)"}}