You can create an account from the app's login screen.
The following information is required to create an account:

・Name
・phonetic spelling
・date of birth
・gender
・Team/Organization affiliation
・Occupation
・Sport
・Email address
・Password

After entering the required information, you will receive a confirmation email to the email address you provided.
Accessing the URL in that email will complete the account creation process.

Also, you may not receive emails due to your email client's security settings.
Please configure your settings in advance to allow emails from "@dinx.pro".