Kayanoya (Kayanoya / Kubara Honke) Style Design System (DESIGN.md, Japanese UI)

Design policy: A serene, refined Japanese worldview told through photography and Mincho. The top page spreads a twilight thatched-roof old folk house across the full screen, overlaying white Mincho text through a deep brown veil. Upon entering a product page, it switches abruptly to a calm reading experience of black Mincho on pure white - About Kayanoya: A Japanese-style dashi and seasoning brand operated by Kubara Honke (a long-established soy sauce brewery founded in the Meiji era). It expresses the story of delivering a chef's wisdom to the home through photography, whitespace, Mincho, and