You may have opened a different website. If the login screen you are looking at does not have an input field for "ExpoID" and instead shows "email address" or "user ID", you are probably on a different site.
Please click on the ExpoID Login link below to log in.

Expo ID Login:
https://usrmng.accounts.expo2025.or.jp/idmng/users/screen/menuScreen

Or your account may be locked. Please wait for a while and try again as it will be unlocked in about 10 minutes.

If you do not know your ExpoID or password, please click on the link for the ExpoID Login page above, click on "Forgot Expo ID?", "Forgot password?", or "Having issues logging in?" on the screen, enter the necessary information, and proceed.

[Reference] How to confirm your ExpoID and reset your password (manual):
https://www.expo2025.or.jp/wp/wp-content/themes/expo2025orjp_2022/assets/pdf/tickets-index/id_problem_solving_manual_en.pdf