{"building_coverage":{"built_area_m2":8975.96,"site_area_m2":23400.0,"coverage_pct":38.35880341880342,"limit_pct":80.0,"pass":true},"floor_area_ratio":{"gross_floor_m2":26880.0,"site_area_m2":23400.0,"far_pct":114.87179487179486,"limit_pct":500.0,"pass":true,"designated_limit_pct":500.0,"road_limit_pct":500.0,"road_width_m":35.0},"north_slope":{"kind":"north","max_height_mm":35000,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807},"road_slope":{"kind":"road","max_height_mm":35000,"allowed_height_mm":97500,"pass":true,"margin_mm":68000},"daylight":{"required_ratio":0.14285714285714285,"actual_ratio":0.0029464285714285716,"window_area_m2":79.2,"floor_area_m2":26880.0,"pass":false},"ventilation":{"required_ratio":0.05,"actual_ratio":0.0014732142857142858,"mechanical_units":0,"pass":false},"overall_pass":false,"messages":["採光 NG: 窓面積比 0.003 < 1/7 (0.143)","「窓は、外と内を引き合わせる、もっとも誠実な装置です。」","換気 NG: 有効換気面積比 0.001 < 1/20 (0.050)","「家は呼吸する生き物です。」","→ 修正案: 窓面積を 3760.80 m² 増やす (例: 1880.4m × 2m の窓を追加)。","→ 修正案: 開閉可能な窓を増やすか、24時間機械換気を設置。","防火地域: 延床 26880.0 m² / 4 階 → 耐火建築物 必須 (構造仕様要確認)","隣地斜線 NG: 高さ 35000 mm > 許容 32250 mm (法56条1項2号)","「隣の空も、共有の財産です。」"],"high_district":{"district":"指定なし","max_height_mm":35000,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807,"message":"高度地区 指定なし → 適用外"},"fire_district":{"district":"防火地域","gross_floor_m2":26880.0,"stories":4,"required_grade":"耐火建築物","pass":true,"message":"防火地域: 延床 26880.0 m² / 4 階 → 耐火建築物 必須 (構造仕様要確認)"},"energy_ua":{"climate_zone":6,"ua_w_m2k":0.39740388442251057,"standard_w_m2k":0.87,"envelope_area_m2":20100.8,"wall_area_m2":3261.5999999999995,"window_area_m2":79.2,"roof_area_m2":7800.0,"floor_area_m2":8960.0,"pass":true,"message":"省エネ UA 値 OK (地域区分 6): UA=0.397 ≤ 基準 0.87 W/m²K"},"sickhouse":{"habitable_floor_m2":26880.0,"habitable_volume_m3":64512.0,"required_airflow_m3h":32256.0,"estimated_airflow_m3h":396.0,"air_change_per_hour":0.006138392857142857,"pass":true,"message":"シックハウス OK (設計前提): BIM 内に 24h 機械換気 未モデル。 建基法 28 条の 2 で 0.5 回/h 機械換気が法定 — 実工事で必ず設置設計してください (居室 26880.0 m²、 必要 32256 m³/h)"},"neighbor_slope":{"kind":"neighbor","max_height_mm":35000,"allowed_height_mm":32250,"pass":false,"margin_mm":-2750},"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":"商業地域 + 都市再生緊急整備地域 (大手町・丸の内・有楽町) / 建ぺい 80% / 容積 1300% (特例容積率適用地区)","use_allowed":true,"use_message":"用途制限: 住宅は「商業地域 + 都市再生緊急整備地域 (大手町・丸の内・有楽町) / 建ぺい 80% / 容積 1300% (特例容積率適用地区)」で建築可能","road_width_m":35.0,"frontage_m":360.0,"road_access_ok":true,"road_message":"接道義務 OK: 幅員 35.0m の道路に 約360.0m 接道 (法 43 条)","lot_area_m2":23400.0,"min_lot_area_m2":null,"min_lot_ok":true,"pass":true,"message":"用途制限: 住宅は「商業地域 + 都市再生緊急整備地域 (大手町・丸の内・有楽町) / 建ぺい 80% / 容積 1300% (特例容積率適用地区)」で建築可能 / 接道義務 OK: 幅員 35.0m の道路に 約360.0m 接道 (法 43 条)"},"absolute_height":{"kind":"absolute_height","max_height_mm":35000,"allowed_height_mm":9223372036854775807,"pass":true,"margin_mm":9223372036854775807}}