Devil’s advocate悪魔の代弁者になろう! https://mio-yamaguchi.com/devils-advocate%e6%82%aa%e9%ad%94%e3%81%ae%e4%bb%a3%e5%bc%81%e8%80%85%e3%81%ab%e3%81%aa%e3%82%8d%e3%81%86%ef%bc%81/