<https://ripple2.tokyo/#personlogo>
<http://schema.org/url>
<https://secure.gravatar.com/avatar/14921a6167d8b5b9bd848c79605a45af?s=96&r=g>
<https://ripple2.tokyo/kl%E3%83%80%E3%82%A4%E3%83%90%E3%83%BC%E3%82%B8%E3%82%A7%E3%83%B3%E3%82%B9/>