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

Design policy: A soft tone of pure white #ffffff × charcoal gray text #555555 (rgb(85, 85, 85)). UI designed as a neutral vessel that makes product photography shine - Density: Generous whitespace, composed of product photos and short captions. The way "ma" (negative space) is used to make the photography the star is the key point - Keywords: Pure white + light gray #e6e6e6 thin surfaces, mixed typesetting of Swis721 (Latin) + Instrument Sans + Hiragino Kaku Gothic Pro, modestly widened letter-spacing (0.05–0.11em), palt applied globally, zero border-radius, CTAs not filled but thin-ruled or l