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

Design policy: Thoroughgoing minimalism and monochrome, befitting a luxury cosmetics brand. To maximize the prominence of products and photography, the UI itself is kept as thin as possible - Density: A media-like layout that prioritizes whitespace. A magazine-style composition that presents products like a single image - Keywords: minimal, monochrome, Yu Gothic, palt, editorial, whitespace, luxury - Characteristics: font-feature-settings: "palt" 1 is applied to all elements (including body), giving consistent tightened typesetting from product labels to body text. Body line height is set gene