東京大会のシンポジウムURL

https://teams.microsoft.com/l/meetup-join/19%3ameeting_YmIwZjg4YTgtNDRiYS00M2UyLTg0OGQtM2EwYmZlN2VhNDQ0%40thread.v2/0?context=%7b%22Tid%22%3a%22ff7f7f7a-f91e-4a49-a547-88630947371e%22%2c%22Oid%22%3a%222b5588a8-874a-40b6-90b8-e27910e450a5%22%7d