<https://riyo-furusawa.yokohama/blog/2021/11/29/7452#breadcrumblist>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/BreadcrumbList>
<https://riyo-furusawa.yokohama/blog/2021/11/29/7452>