You need to unblock this content by setting your broser.
ブラウザーはこの内容をブロックしないように設定してください。

INFO:
Step-by-Step guide to downloading videos with the inspect element consoleSaving videos from websites can be helpful, but most video hosting platforms don't have download buttons. If you don't want to use third-party apps or risky video...
How to Save a Video Using Inspect Element