リフォーム設計事例 暮らしの環境と味わいの時間を丁寧に感じる古民家リノベーション 築約80年の木造2階建古民家住宅の耐震・大規模リノベーション 概要 木造二階建て 235.49㎡(71.23坪) After Before After Before After Before After After After After After After After After Before After Before After Before After Before After Before After Before After Before After Before After Before After Before After After After After After After Before