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

Design philosophy: A Japanese-born outdoor and sports apparel brand. Parent company of THE NORTH FACE, Helly Hansen, DANSKIN, and others. Its defining feature is a dual font system — the online store uses Untitled Sans + Yu Gothic Medium, while brand pages use GoldwinGrotesk + Noto Sans CJK JP, switching typefaces by context. Bold uppercase catchphrases and precise spacing express a "fusion of technology and aesthetics." - Density: A spacious, visual-driven e-commerce site. Hero visuals and product photography take center stage, with text kept to a minimum. Only the footer closes with a dark b