<https://ndc-office.com/#organization>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/Organization>
<https://ndc-office.com/stuff-blog/2019/12/17/%E3%82%A2%E3%83%91%E3%82%AC%E3%83%BC%E3%83%89%E3%83%AA%E3%83%8A%E3%83%A1%E3%83%AB/>