BAYCREW'S STORE Style Design System (DESIGN.md, Japanese UI)

Design policy: A thoroughly subtractive fashion e-commerce design that makes product photography the star, with monochrome text on a white background and minimal UI chrome. Decorative elements are eliminated, and the world view is constructed from product visuals and brand names alone. - Density: A high-density product listing achieved with small 12px-based text. Line height is 1.67–1.83, which is standard for Japanese, but because the font size is small, it feels visually compact. - Keywords: Monochrome, minimal, product-first, utilitarian, fashion e-commerce - Characteristics: - All text, in