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

Design policy: With dark navy #152632 as the primary text color, blue-purple #534dff pill CTAs and green #ccefd1 category badges combine the innovativeness and trustworthiness of a cutting-edge tech company. Typography arranged neatly on a white background takes center stage - Density: Headings use generous tracking of letter-spacing: 0.04em for an expansive feel. Body text uses line-height: 1.5. A corporate site that prioritizes dignity over information density - Keywords: Navy × purple, dual-font system, PPMori's Latin glyphs, modern fintech, refined quality - Characteristics: - Dual-font sy