AGC (AGC Inc.) Style Design System (DESIGN.md, Japanese UI)

Design policy: Establishes deep navy #001f6b as the brand identity, uses cool-toned blue-gray as the base, and drives action with a sharp red #e40046 CTA. Visually expresses the precision, reliability, and technical capability of a materials manufacturer - Density: Body text line-height is a very wide 2.0, giving a media-oriented typographic style that lets articles and IR information be read calmly. A corporate site that uses whitespace generously - Keywords: Deep navy, corporate, precision, cool tone, sharp corners, the trustworthiness of a materials manufacturer - Characteristics: - Text co