「意気投合」の意味と例文 https://noteolsen.com/2021/07/02/%e3%80%8c%e6%84%8f%e6%b0%97%e6%8a%95%e5%90%88%e3%80%8d%e3%81%ae%e6%84%8f%e5%91%b3%e3%81%a8%e4%be%8b%e6%96%87/