Yamazaki Home Style Design System (DESIGN.md, Japanese UI)

Design policy: Place only product photography on a white ground. Because the products themselves are monochrome—white, black, wood grain—the UI not holding color lets the product colors stand out. Surfaces are divided using only rules and whitespace. - About Yamazaki Home: A lifestyle goods manufacturer from Nara Prefecture. Because each series has its own worldview—tower (steel), tosca (steel + natural wood), plate (wood grain)—the site itself holds no color and devotes itself to being a vessel. - Density: Medium. The top page stacks vertically: main visual → ranking → new arrivals → categori