DAIWA HOUSE (Daiwa House Industry) Style Design System (DESIGN.md, Japanese UI)

Design policy: Balancing the trustworthiness of Japan's largest housing manufacturer with the warmth of a home. The corporate site uses a solid tone based on blue-gray #5b79a8, while the housing site appeals to a refined lifestyle with black CTAs + serif headings (Noto Serif JP) - Density: Body text is small at 12px with high information density (typical of large Japanese corporate sites). Readability is ensured with line-height 1.7 - Keywords: Blue-gray trustworthiness, residential dignity, serif × sans-serif differentiation, traditional Japanese font stack, duality (corporate/housing) - Char