Money Forward Style Design System (DESIGN.md, Japanese UI)

Design policy: A solid, trustworthy business-tool-style UI. A calm tone befitting the financial domain of household budgeting and asset management - Density: A high-information-density business UI. Displays a lot of information with a smallish 14px base font - Keywords: Solid, trustworthy, businesslike, efficient, Japanese-first - Characteristics: A Japanese-first font stack that places Hiragino Kaku Gothic Pro first. A conventional CSS design that does not use CSS Custom Properties. Headings use weight 500 (medium) for restrained emphasis