Points to note when participating
in the stamp rally
● Recommended environment
iPhone
iOS 13.0 or later
＋

safari
Please turn off the private mode setting.
Android
Android 5.0 or later
＋

chrome
Please turn off the incognito mode setting.
Browsers installed on smartphones with the above operating systems
Anything other than that is not recommended.
Private mode/secret mode settings
If it is on, cookie information will be automatically deleted.
Stamp information is not retained.
You can only participate in the stamp rally from your smartphone
Yes, it is possible. PC, tablet, feature phone
This version is not supported.
If you open the stamp rally from SNS (facebook/X/instagram/LINE), please reopen it in the standard browser. If you play in the in-app browser, the stamps will disappear.
● Cookies information
To participate in this stamp rally, please enable the cookie settings on your smartphone before participating.
Since information is stored using cookies, deleting cookies will also delete the stored information (such as stamp information).