It's looks like almost any video game ever. Menu, space in the top right for marketing.
Some games put something more visual in the middle. But why does it matter. After playing BG3 for a while I'm just mashing the continue button as soon as it comes up.
That aint a bad thing, their start screens are simple but functional. Why put too much effort into it when 80 percent of the time it wont even be active for more than 5 seconds. Make it look nice but dont go overboard.