Great work with what has been done so far! The look is really appealing and the time-based system gives a lot of potential to the game.
These are small details, but I think it would look even nicer if you used a pixel art font for the text (somepx has a great selection of stylized fonts you can choose from), as well as making the dialog box a lot smaller (and maybe integrate the high-res image of the character in the dialog box instead of taking the screen's space?)
