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

Design policy: As an extension of newspapers and publishing, the ultimate in text density. Eliminating decoration, it visualizes information priority through gradual differentiation of heading sizes (27px / 24px / 22px / 20px / 18px / 16px) and font-weight 700 - Density: High. It arranges a large number of headings and article titles on a single screen, digitally reproducing the structure of a newspaper page that readers can scan - Keywords: Information-Dense, Text-First, Newspaper Heritage, System Font Stack, Editorial Hierarchy