{"citations":[{"law":"建築基準法 第 28 条 1 項","title":"居室の採光"},{"law":"建築基準法 第 28 条 2 項","title":"居室の換気"},{"law":"建築基準法施行令 第 19 条","title":"採光及び換気を必要とする居室"},{"law":"建築基準法施行令 第 20 条","title":"有効面積の算定方法 (D/H 補正係数)"},{"law":"国土交通省告示 第 1116 号 (平 7)","title":"居室の採光に関する技術的基準"},{"law":"建築基準法 第 28 条の 2","title":"シックハウス対策 (居室の換気設備)"},{"law":"建築基準法施行令 第 20 条の 5","title":"居室の機械換気設備の構造"}],"daylight_formula":"A = 6 × D/H − 1.4 (住居系地域)","generated_at":{"iso8601_utc":"2026-05-31T23:24:53Z","wareki":"令和 8 年 5 月 31 日"},"ok":true,"rooms":[{"area_m2":130.0,"daylight":{"actual_ratio":0.246,"correction_factor_d_h":1.0,"effective_ratio":0.24615384615384617,"effective_window_area_m2":32.0,"pass":true,"required_ratio":0.143,"window_area_m2":32.0},"name":"Living Room (1F メインリビング・Pottsville 砂岩暖炉 + 渓流ハッチ)","ventilation":{"actual_ratio":0.12307692307692308,"effective_open_area_m2":16.0,"pass":true,"required_ratio":0.05}},{"area_m2":28.0,"daylight":{"actual_ratio":0.232,"correction_factor_d_h":1.0,"effective_ratio":0.23214285714285715,"effective_window_area_m2":6.5,"pass":true,"required_ratio":0.143,"window_area_m2":6.5},"name":"Master Bedroom (2F Kaufmann 主寝室 + テラス)","ventilation":{"actual_ratio":0.11607142857142858,"effective_open_area_m2":3.25,"pass":true,"required_ratio":0.05}},{"area_m2":22.0,"daylight":{"actual_ratio":0.25,"correction_factor_d_h":1.0,"effective_ratio":0.25,"effective_window_area_m2":5.5,"pass":true,"required_ratio":0.143,"window_area_m2":5.5},"name":"Mrs. Kaufmann Bedroom (2F 夫人寝室)","ventilation":{"actual_ratio":0.125,"effective_open_area_m2":2.75,"pass":true,"required_ratio":0.05}},{"area_m2":18.0,"daylight":{"actual_ratio":0.278,"correction_factor_d_h":1.0,"effective_ratio":0.2777777777777778,"effective_window_area_m2":5.0,"pass":true,"required_ratio":0.143,"window_area_m2":5.0},"name":"Edgar Jr. Bedroom (3F 息子寝室・書斎兼用)","ventilation":{"actual_ratio":0.1388888888888889,"effective_open_area_m2":2.5,"pass":true,"required_ratio":0.05}}],"schema":"saiko-kanki/v1","site":{"address":"Mill Run, Pennsylvania, USA — Bear Run 渓流上","land_area_m2":1850.0,"zoning":"Bear Run Nature Reserve・歴史的記念物 (USA)"},"slug":"famous-fallingwater","summary":{"daylight_pass":4,"daylight_pass_all":true,"overall_pass":true,"total_rooms":4,"ventilation_pass":4,"ventilation_pass_all":true},"title":"落水荘 (Fallingwater) — Frank Lloyd Wright 1935"}