<https://saijoukensetsu.com/blog/2020%e5%b9%b4%ef%bc%96%e6%9c%88#webpage>
<http://schema.org/dateModified>
"2020-06-07T10:29:00+09:00"^^<http://schema.org/Date>
<https://saijoukensetsu.com/blog/2020%E5%B9%B4%EF%BC%96%E6%9C%88>