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

Design approach: Warm minimal design. Avoids pure black and uses #444444 for text, giving a soft, calm impression. Centered on bicycles and lifestyle, an unpretentious yet careful worldview - Density: Compact information density. Base font size 12px, body text 14px — smallish, with the tight layout typical of Japanese lifestyle e-commerce - Keywords: Warmth, minimal, muted, careful, lifestyle - Characteristics: Uses #444444 (dark gray) rather than pure black (#000000) for text, combined with a white background to provide a soft visual experience. Sage green #e3ebe8 is the brand accent. All but