Digital Agency Japan Style Design System (DESIGN.md, Japanese UI)

Design policy: A public service design system with an explicit awareness of WCAG 2.2 compliance. Framework-agnostic, compatible with reset CSS, and retrofittable, with a philosophy of "simple, customizable, accessibility-first" - Density: Generous vertical whitespace, with a body line-height of 1.7 as the standard. A minimum tap target of 44×44px is guaranteed across all components - Keywords: Accessible, Public Service, Token-Driven, Forced-Colors-Aware, Methodical