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

Design policy: A clean, white-based layout that combines blue #3959cc CTAs with pink #e34b83 accents (recruiting / section labels) to balance the reliability and approachability of medical AI - Density: Body text uses a generous line-height of 1.8. Headings use positive tracking of 0.05em for an elegant, airy feel. Ample whitespace is used, prioritizing a sense of reassurance over information density - Keywords: Clean white, medical blue, pink accent, the rounded warmth of A1 Gothic, the trustworthiness of healthcare - Characteristics: - The hero heading uses A1 Gothic B JIS2004 (Morisawa). It