NISSAN (Nissan Motor Co., Ltd.) Style Design System (DESIGN.md, Japanese UI)

Design policy: A linear, structural layout typical of an automaker. Rectangular CTAs (border-radius: 0px) are the brand's single greatest visual characteristic. Using NISSAN Red #c3002f as an accent color, the dark header and white-based content area achieve both solidity and a sense of advanced technology - Density: A grid layout centered on vehicle cards. Body text uses line-height 1.5, which is standard. Headings are set tightly at line-height 1.0. Information density is moderate, prioritizing the visibility of vehicle images and CTAs - Keywords: Rectangular CTA, NISSAN Red, dark header, th