Grand Seiko Style Design System (DESIGN.md, Japanese UI)

Design policy: True to a Japanese luxury watch brand born in 1960, a world of tradition and dignity composed entirely of Mincho typefaces. The color scheme is built around a deep navy #000040 as the primary axis, with white and pale gray. Every element is restrained, never interfering with the beauty of the watches themselves - Density: Large-format photography, minimal text, abundant whitespace. A minute letter-spacing of 0.7px is applied throughout all text, maintaining an elegant sense of spacing - Keywords: luxury watch, heritage, Mincho, deep navy, rectangular CTA, lacquer-black navy, tra