Sonic Adventure's official site is still up! Last updated Nov 2000.
Look at it all. The low-res background that doesn't scale right. All the styled UI as just tables of images. The awkward typography.
http://www.sonic-adventure.com/DRMCST.HTMOpen linkView original on sh.itjust.works
Probably designed with the Dreamcast Web Browser in mind.
Wow, this is pretty cool. Thanks for sharing!
It's beautiful.