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

Design policy: A dark minimalism built on an almost pure black #0e0f0e canvas with white text, gray captions, and photography. To maximize the color rendering of the artworks, the UI itself is a colorless design that holds no decorative color whatsoever. - Density: In the hero section, artwork photography fills the entire screen, and the UI is only a text overlay that faintly sits on top of the photos. A media-style layout with low information density and high photo density. - Keywords: pure black background, white text, Helvetica first, zero border radius, art-first, bordered CTA, unprocessed