If you want to use Hiragino Sans W9 on a website, you must use a web font service like or host it yourself using @font-face in your CSS. Because W9 is a heavy Japanese font, the file size can be large (often several megabytes), so consider "subsetting" the font to keep your site fast.
This font is proprietary to Screen Graphic Solutions Co., Ltd. (Screen), so it does not come pre-installed. You will need to acquire a license or the font files (.otf or .ttc). 2. Where to Acquire Hiragino Sans W9 hiragino sans w9 install