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

Design policy: Let the photography speak, and make the UI disappear. The first view is a 100vh overhead shot of a wooden product, with navigation overlapping it while remaining transparent. Buttons have no fill and are placed with only a 1px white border - About Hacoa: A brand that repurposed the techniques of Echizen lacquerware woodturners for contemporary products (keyboards, card cases, clocks, notebook PC stands). Since "material = solid wood" is the greatest visual asset, the site is entirely devoted to not getting in the way of that photography - Density: Low. The content width is narro