生命保険。確かに元本保証だけど。 https://investors-trust-begineers.com/2021/04/%e7%94%9f%e5%91%bd%e4%bf%9d%e9%99%ba%e3%80%82%e7%a2%ba%e3%81%8b%e3%81%ab%e5%85%83%e6%9c%ac%e4%bf%9d%e8%a8%bc%e3%81%a0%e3%81%91%e3%81%a9%e3%80%82/