<https://www.clvs7.com/blog/2020/09/24/implementing-furigana-ruby-on-godot/>
<http://schema.org/name>
"Godot engine上で振り仮名（ルビ）を実現する"
<https://www.clvs7.com/blog/2020/09/24/implementing-furigana-ruby-on-godot/>