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

Design policy: Balancing the trustworthiness and approachability of an educational brand. A design that gives a sense of reassurance to everyone from children to adults, through colorful subject colors and soft rounded corners - Density: The information volume is large, but visual separation is created by switching the background color for each section, maintaining readability - Keywords: Approachable, colorful, educational, trustworthy, warm - Characteristics: Each subject has its own brand color (Math = blue, English = orange, Japanese = green, Zunzun = gold), and CTA buttons are unified as