Dear users，

Thank you for using our service.
Recommended system requirements for using our service from October 15，2025 are as follows:

1. Recommended system requirements (from October 15，2025)

　■For smartphones or tablets
　　Android 14.0 or later: latest version of Google Chrome
　　iOS / iPadOS 16.0 or later: latest version of Safari
　■For computers
　　Windows 10 or later: latest version of Microsoft Edge，Google Chrome or Firefox
　　macOS 13 or later: latest version of Safari

2. Changes:

　(1) Android 11.0 or later ⇒ Android 14.0 or later
　(2) macOS 11 or later ⇒ macOS 13 or later

※ "Recommended system requirements" refers to system specifications recommended for comfortable use of the service. We develop and verify the operation of the service under the requirements given above.
However，please note that even when using recommended requirements，problems specific to the network environment，security settings，and the device used may still occur.
You will not necessarily be unable to use the service if your device does not meet the recommended specifications. However，in that case，unintended problems may occur，which may hinder your use of the service.
For security reasons，please use the latest versions of operating systems and browsers when possible.