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This site recommends the following OS, browser versions, and settings.

OS

・For iOS, iOS13.0 or higher
・For Android, 7.0 or higher
*This site is not compatible with tablet devices, Garaho (smartphones with a numeric keypad), and Rakuraku smartphones.

browser

・For iOS, the latest version of Safari
・For Android, the latest version of Google Chrome
・For Windows, the latest version of Microsoft Edge and Google Chrome
・For Mac OS X, the latest version of Safari or Google Chrome

JavaScript

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