Adachi Museum of Art (ADACHI MUSEUM OF ART) Style Design System (DESIGN.md, Japanese UI)

Design policy: A museum typeset in Japanese Mincho. Thin Mincho with wide letter-spacing layered over full-screen footage of the garden. Zero border-radius, zero shadow, 1px rules - Density: Low. Create "ma" (negative space) through margins and line height. Body line height is 2.0 - Keywords: Shippori Mincho, palt applied everywhere, three tiers of letter-spacing at 1px/2px/4px, washi paper texture, zero border-radius