<https://c-dc.org/w/#website>
<http://schema.org/potentialAction>
<https://c-dc.org/w/%EF%BD%83%EF%BD%84%EF%BD%83%E6%B1%A0%E8%A2%8B%E9%87%91%E6%9B%9C%E8%8B%A5%E8%80%85%E5%88%9D%E5%BF%83%E8%80%85%E7%A4%BE%E4%BA%A4%E3%83%80%E3%83%B3%E3%82%B9%E3%82%B5%E3%83%BC%E3%82%AF%E3%83%AB-2019-10-04/>