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

Design policy: An intelligent, refined corporate site positioned between a research institution and a fashion brand. As a biotech venture developing Brewed Protein (a structural protein material), the design balances the sincerity of natural science with the beauty of the product - Density: Generous white space. Margins between sections are large, and information is not crammed into a single screen. The first view consists of a catchphrase plus a full-bleed image - Keywords: Intellectual, sustainable, monochrome, serene, typography-driven - Characteristics: The brand's axis is its custom web f