Hello hajime0601,
Thank you for posting your question to our Japanese MSDN forum.
Unfortunately, I’d like to suggest you post your question in following English Microsoft Azure forum.
・MSDN (en-US) >Microsoft Azure > Azure Active Directory :
https://social.msdn.microsoft.com/Forums/en-US/home?forum=WindowsAzureAD
If you can post your question in Japanese, please post again.
I hope you find some useful information! Thank you.
Mutsumi Hoshi - Moderator
フォーラム オペレーター 星 睦美 - MSDN Community Support