Iwamiginzan Gungendo Style Design System (DESIGN.md, Japanese UI)

Design policy: Set the entirety of the e-commerce experience in a single Mincho typeface. The usual division of labor—"Mincho for reading matter, Gothic for UI"—is not adopted. By setting the cart button, prices, and shipping notes in Mincho too, the entire site feels closer to a single book than to a product catalog - About Gungendo: The products are centered on low-saturation dyed goods in indigo, ink, and unbleached tones. The site's color scheme matches this, and the only color with any saturation is the brown #875d45 of the CTA. This brown is the color of leather, earth, and dye, not the