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

Design policy: Based on a white background, expresses health, safety, and approachability through the Yakult Red #e60039 pill CTA and Warm Cream #fbf6ec / Warm Pink #fff2f5 category surfaces - Density: Body text uses a uniform line-height of 1.5. Generous spacing between sections gives the calm, spacious feel of a corporate site - Keywords: Yakult Red, Warm Cream, Warm Pink, system font Medium weight, the trustworthiness of a health brand - Characteristics: - Japanese text uses a system font stack. A standard configuration starting with -apple-system, not dependent on any specific web font - T