{"building_coverage":{"built_area_m2":29.990454,"site_area_m2":0.0,"coverage_pct":2999.0454,"limit_pct":70.0,"pass":false},"floor_area_ratio":{"gross_floor_m2":29.990454,"site_area_m2":0.0,"far_pct":2999.0454,"limit_pct":160.0,"pass":false,"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":0.574035991585856,"window_area_m2":17.215600000000002,"floor_area_m2":29.990454,"pass":true},"ventilation":{"required_ratio":0.05,"actual_ratio":0.287017995792928,"mechanical_units":0,"pass":true},"overall_pass":false,"messages":["建ぺい率 NG: 2999.0% > 70% (用途地域: 都市計画区域外・別荘地)","「家を小さくしたほうが、空が広く見えるかもしれません。」","容積率 NG: 2999.0% > 160% (前面道路 4.0m により指定 200% → 160% に低減・法52条2項)","「容積率は、社会との約束です。約束は約束です。」","→ 修正案: 建築面積を 30.0 m² 縮小すれば適合。例えば 1階の外壁を内側に動かす。","→ 修正案: 延床面積を 30.0 m² 縮小、または 1 階を吹き抜けに。","用途制限: 住宅は「都市計画区域外・別荘地」で建築可能 / 接道義務 NG: 推定接道長さ 0.0m < 2m (法 43 条) / 敷地面積最低限度 NG: 0.0㎡ < 400.0㎡ (法 53 条の 2)"],"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":29.990454,"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":0.36164396625636763,"standard_w_m2k":0.46,"envelope_area_m2":156.22360799999998,"wall_area_m2":72.05449999999999,"window_area_m2":17.215600000000002,"roof_area_m2":36.963054,"floor_area_m2":29.990454,"pass":true,"message":"省エネ UA 値 OK (地域区分 1): UA=0.362 ≤ 基準 0.46 W/m²K"},"sickhouse":{"habitable_floor_m2":29.990454,"habitable_volume_m3":71.9770896,"required_airflow_m3h":35.9885448,"estimated_airflow_m3h":86.078,"air_change_per_hour":1.1959083158038666,"pass":true,"message":"シックハウス OK: 換気回数 1.20 回/h ≥ 0.5 回/h (居室 30.0 m² / 自然 86 + 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・別荘地","use_allowed":true,"use_message":"用途制限: 住宅は「都市計画区域外・別荘地」で建築可能","road_width_m":4.0,"frontage_m":0.0,"road_access_ok":false,"road_message":"接道義務 NG: 推定接道長さ 0.0m < 2m (法 43 条)","lot_area_m2":0.0,"min_lot_area_m2":400.0,"min_lot_ok":false,"pass":false,"message":"用途制限: 住宅は「都市計画区域外・別荘地」で建築可能 / 接道義務 NG: 推定接道長さ 0.0m < 2m (法 43 条) / 敷地面積最低限度 NG: 0.0㎡ < 400.0㎡ (法 53 条の 2)"}}