Artizon Museum Style Design System (DESIGN.md, Japanese UI)

Design policy: A typography-driven museum UI. Giant black headings and white negative space frame exhibition visuals like a picture frame - Density: Low to medium density. The hero is a full-screen visual plus an extra-large exhibition title. Information is organized into a tidy grid - Keywords: Typography / refined / powerful / modern / framing - Shape language: No rounded corners (border-radius: 0). Buttons are thin black-ruled outlines. Separation is done with rules and whitespace - Typeface character: AXIS Font (Type Project) is used throughout. The R / M / B weights are used selectively;