Internet Explorer (IE) has been discontinued by Microsoft Corp.
that it will end support in June 2022 and that some security updates will be completely disabled in the coming February.

Related article: https://blogs.windows.com/japan/2022/06/15/internet-explorer-11-is-no-longer-supported/

We do not recommend using SAKURA with Internet Explorer from the viewpoint of security and abnormal behavior.
We apologize for the inconvenience, but we recommend that you use Microsoft edge (Microsoft edge), Google Chrome (Google Chrome), or Google Web Explorer (Google Chrome).
Please switch to Microsoft edge (Microsoft edge), Google Chrome (Google Chrome), Safari (Apple Safari), etc.


Microsoft edge
https://www.microsoft.com/ja-jp/edge?form=MA13FJ
Google Chrome
https://www.google.com/intl/ja_jp/chrome/
Apple Safari
https://support.apple.com/ja_JP/downloads/safari

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