is a professional-grade sans-serif typeface family designed specifically for Traditional Chinese environments, following the distinct design aesthetics of the Japanese Hiragino Sans (Kaku Gothic) series. Developed by Jiyukobo Ltd. and published by SCREEN Graphic Solutions (formerly Dainippon Screen Mfg.), it was introduced to provide a "cool and contemporary" yet "orthodox" look for digital and print media. Core Philosophy and Design

Because it was designed for high-resolution displays, it is widely used in Apple’s user interface and mobile apps where clarity at small point sizes is critical. Applications and Use Cases

It was added alongside Hiragino Sans GB starting with early versions like macOS Snow Leopard (10.6) to improve the quality of Chinese typography on Apple devices.