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

Design policy: A sincere, warm corporate design that reflects the corporate philosophy of "creating a society overflowing with teamwork." Restrained decoration, letting the message and content take center stage - Density: Generous whitespace. line-height: 2.0 applied globally, with an emphasis on readability - Keywords: Sincere, teamwork, readable, spacious, sense of trust - Characteristics: A traditional CSS structure that does not use CSS Custom Properties. A Japanese-first font stack that lists Hiragino Kaku Gothic Pro W3 first. The global application of line-height: 2.0 is on the same leve