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

Design approach: A brand site with the dignity of Japanese traditional craft, composed of "Mincho typeface + ultra-wide letter-spacing + ultra-light weight + gold accent." A dual-typeface system that uses Kozuka Mincho Pro L for Japanese headings and decorative text, and Noto Sans Japanese for body text and UI. Everything is unified at weight 200 (ultra-light), with pure white background #ffffff and pure black text #000000 creating high contrast that expresses the sharpness and purity of metal - Density: Relaxed, editorial style. Large-format product and workshop photographs with ample whitesp