嵌入视频
niconico :
<iframe width="312" height="176" src='http://embed.nicovideo.jp/watch/sm34871494?persistence=1&oldScript=1&referer=&from=0&allowProgrammaticFullScreen=1' frameborder="0"></iframe>
bilibili :
<iframe allowFullScreen={true} width="100%" height="450" scrolling="no"
sandbox="allow-top-navigation allow-same-origin allow-forms allow-scripts"
src={`//player.bilibili.com/player.html?aid=541205956&bvid=BV1tA411q7xi&cid=208099724&page=1&as_wide=1&high_quality=1&danmaku=1`}
frameBorder="0"></iframe>
youtube :
<iframe width="1038" height="584" src="https://www.youtube.com/embed/GBS07vBBWlA" title="和楽器バンド / ロキ from 8th Anniversary Japan Tour ∞ -Infinity-" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>