{"building_coverage":{"built_area_m2":55.402625,"site_area_m2":193.52492,"coverage_pct":28.628160652385233,"limit_pct":50.0,"pass":true},"floor_area_ratio":{"gross_floor_m2":103.77875,"site_area_m2":193.52492,"far_pct":53.62552274921492,"limit_pct":100.0,"pass":true,"designated_limit_pct":100.0,"road_limit_pct":160.0,"road_width_m":4.0},"north_slope":{"kind":"north","max_height_mm":6112,"allowed_height_mm":9797,"pass":true,"margin_mm":3777},"road_slope":{"kind":"road","max_height_mm":6112,"allowed_height_mm":11177,"pass":true,"margin_mm":5157},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":0.4475940691133782,"window_area_m2":46.450753,"floor_area_m2":103.77875,"pass":true},"ventilation":{"required_ratio":0.05,"actual_ratio":0.15264299944382326,"mechanical_units":0,"pass":true},"overall_pass":true,"messages":["全項目 OK","「美しいものは長持ちする。」"],"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":152.154875,"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":0.36241427353314204,"standard_w_m2k":0.87,"envelope_area_m2":469.78347499999995,"wall_area_m2":252.91624699999997,"window_area_m2":46.450753,"roof_area_m2":66.63772499999999,"floor_area_m2":103.77875,"pass":true,"message":"省エネ UA 値 OK (地域区分 6): UA=0.362 ≤ 基準 0.87 W/m²K"},"sickhouse":{"habitable_floor_m2":152.154875,"habitable_volume_m3":365.1717,"required_airflow_m3h":182.58585,"estimated_airflow_m3h":232.253765,"air_change_per_hour":0.6360124976825969,"pass":true,"message":"シックハウス OK: 換気回数 0.64 回/h ≥ 0.5 回/h (居室 152.2 m² / 自然 232 + 機械 0 m³/h、 機械換気 0 台)"},"neighbor_slope":{"kind":"neighbor","max_height_mm":6112,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807},"shadow":{"regulated":true,"measurement_height_m":1.5,"max_shadow_5m_h":2.4166666666666665,"limit_5m_h":4.0,"max_shadow_10m_h":0.75,"limit_10m_h":2.5,"pass":true,"message":"日影規制 OK: 5m ライン 2.4h ≤ 4.0h / 10m ライン 0.8h ≤ 2.5h (冬至・測定面 1.5m)"},"site_eligibility":{"zoning":"第一種低層住居専用地域","use_allowed":true,"use_message":"用途制限: 住宅は「第一種低層住居専用地域」で建築可能","road_width_m":4.0,"frontage_m":15.751472051680498,"road_access_ok":true,"road_message":"接道義務 OK: 幅員 4.0m の道路に 約15.8m 接道 (法 43 条)","lot_area_m2":193.52492,"min_lot_area_m2":null,"min_lot_ok":true,"pass":true,"message":"用途制限: 住宅は「第一種低層住居専用地域」で建築可能 / 接道義務 OK: 幅員 4.0m の道路に 約15.8m 接道 (法 43 条)"}}