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

Design approach: A Helvetica-first + fully monochrome minimal EC (e-commerce) site where product photography takes center stage. Text is extremely small (10px base), and the layout is thoroughly relegated to a supporting role relative to the product images. It has the presence of something between a gallery and an EC shop - Density: The body's base font-size is an extreme 10px, and nav and annotation text is displayed at 10px as-is. Even product names are a modest 16px. Information density is low, and the product photo grid occupies nearly the entire screen - Keywords: Helvetica, monochrome, g