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

Design philosophy: A natural cosmetics brand from Hokkaido. To convey the honesty of natural ingredients, the design is stripped of decoration to the extreme. A single-font system (Noto Sans JP only) combined with dark navy #000030 achieves both cleanliness and serenity. Whitespace and letter-spacing create "ma" (negative space), drawing the viewer into the product's world - Density: A relaxed product-showcase style. Generous whitespace and restrained text put "the power of the ingredients" front and center. The layout minimizes information density, giving each element room to breathe - Keywor