<https://okinawa-kayak.jp/#website>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/WebSite>
<https://okinawa-kayak.jp/review/%E6%A7%98%E3%80%85%E3%81%AA%E5%8B%95%E6%A4%8D%E7%89%A9/>