HUMAN MADE Style Design System (DESIGN.md, Japanese UI)

Design philosophy: A streetwear/lifestyle brand by NIGO(R). It expresses a love of vintage Americana and pop culture through clean graphic design. With Avenir Next LT Pro (a geometric sans-serif) as the core typeface and an extreme weight unification using only font-weight 400, it achieves a "relaxed sophistication." CTAs use a completely square radius of 0px, making them graphical and bold. The contrast between the colorful product photography and the minimal UI shapes the HUMAN MADE worldview - Density: An EC-site-style product showcase. The composition makes product images the star, with mi