「変幻自在」の意味と例文 https://noteolsen.com/2023/01/13/%e3%80%8c%e5%a4%89%e5%b9%bb%e8%87%aa%e5%9c%a8%e3%80%8d%e3%81%ae%e6%84%8f%e5%91%b3%e3%81%a8%e4%be%8b%e6%96%87/