graniph Style Design System (DESIGN.md, Japanese UI)

Design policy: A playful e-commerce site that puts collaborations with art, illustration, and characters front and center. A gallery-style layout where product visuals are the star - Density: A grid layout with product images packed densely together. The header carries a large amount of navigation information - Keywords: Colorful, pop, artful, casual, approachable - Characteristics: A color scheme based on #282828 dark gray with the brand color red #dc0816 as an accent. Composed entirely of system fonts (Hiragino Kaku Gothic)