extmai-tools is an extension that load mai-tools and performs font smoothing for maimai and maimai DX
Check out myjian/mai-tools
For some reason, Japanese websites prefer to load their own font, which often shows up un-antialiased.
To improve readability, this extension trusts that browsers can display the characters of the original font using its native font somewhat faithfully, so as to not cause layout-breaking changes.
Unless you are using some ancient browser, for which you can't since you need to install this extension, the system default font should be a drop-in replacement.
We live in an age of Unicode... Don't get me started on the allergy of half-width characters.
extension for mai-tools
Though, this tool is rapidly developed with the explicit help of Generative AI, namely poe.com, so you could argue it has something to do with HKUST Extended Major in AI (22-23extm-ai.pdf)