{"building_coverage":{"built_area_m2":48.5875,"site_area_m2":166.7,"coverage_pct":29.146670665866825,"limit_pct":50.0,"pass":true},"floor_area_ratio":{"gross_floor_m2":68.66765000000001,"site_area_m2":166.7,"far_pct":41.19235152969407,"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":9593,"pass":true,"margin_mm":3573},"road_slope":{"kind":"road","max_height_mm":6112,"allowed_height_mm":11062,"pass":true,"margin_mm":5042},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":1.128546265963667,"window_area_m2":77.49462,"floor_area_m2":68.66765000000001,"pass":true},"ventilation":{"required_ratio":0.05,"actual_ratio":0.5642731329818335,"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":68.66765000000001,"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":2,"ua_w_m2k":0.4412446921687295,"standard_w_m2k":0.46,"envelope_area_m2":418.96937500000007,"wall_area_m2":218.77228000000008,"window_area_m2":77.49462,"roof_area_m2":88.36865,"floor_area_m2":34.333825000000004,"pass":true,"message":"省エネ UA 値 OK (地域区分 2): UA=0.441 ≤ 基準 0.46 W/m²K"},"sickhouse":{"habitable_floor_m2":68.66765000000001,"habitable_volume_m3":164.80236000000002,"required_airflow_m3h":82.40118000000001,"estimated_airflow_m3h":387.4731,"air_change_per_hour":2.3511380540909728,"pass":true,"message":"シックハウス OK: 換気回数 2.35 回/h ≥ 0.5 回/h (居室 68.7 m² / 自然 387 + 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":1.4166666666666665,"limit_5m_h":4.0,"max_shadow_10m_h":0.0,"limit_10m_h":2.5,"pass":true,"message":"日影規制 OK: 5m ライン 1.4h ≤ 4.0h / 10m ライン 0.0h ≤ 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":14.5,"road_access_ok":true,"road_message":"接道義務 OK: 幅員 4.0m の道路に 約14.5m 接道 (法 43 条)","lot_area_m2":166.7,"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14.5m 接道 (法 43 条)"}}