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

Design Systems

Design philosophy: An anti-decoration ultra-minimal approach that layers extremely small typography (10px base) onto a strict monochrome of pure black and pure white. Images dominate the entire surface, and the UI disappears to the limit - Density: Information density is low. Full-width hero images and collection photography take the lead, with text serving a caption-like role - Keywords: ultra-minimal, monochrome, anti-decoration, 10px base, global palt, HelveticaNeueLTPro, editorial, brutalist typography - Characteristics: - A fully binary color palette — only #000000 and #ffffff. No accent

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

You are an expert web designer. Build a stunning, production-ready page with
a bold hero section, smooth CSS transitions and a carefully tuned dark palette.
Use a neutral background, generous rounded corners and one electric accent color.
Structure the layout with a sticky header, feature grid, social proof and a final
call to action. Keep typography tight, spacing consistent and motion subtle.

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UNDERCOVER Style Design System (DESIGN.md, Japanese UI) | MotionSites