Hiragino Kaku Gothic Pro is a commercial font. SCREEN Holdings licenses it for use. Google Fonts, by contrast, hosts only open-source or freely licensed fonts (like Open Sans, Roboto, or Noto Fonts). Including a proprietary font would violate licensing agreements and require complex royalty payments.
A complete Japanese font file (including all Kanji) is massive—often 2 MB to 8 MB per weight, compared to 50 KB for a Latin font. Google Fonts rarely hosts CJK (Chinese, Japanese, Korean) fonts due to bandwidth and performance concerns. While Google does host Noto Sans JP (a Japanese font), it is the exception, not the rule. hiragino kaku gothic pro google font
Using font-display: swap with a local-only font (like Hiragino) doesn't help Windows users. Always pair with a Google Font or system fallback. The Future: Will Google Fonts Ever Host Hiragino? The short answer is no . Google Fonts is philosophically committed to open-source fonts. Hiragino Kaku Gothic Pro is a flagship commercial product. Unless SCREEN Holdings decides to open-source it (which is highly unlikely given its value), it will never appear on fonts.google.com. Hiragino Kaku Gothic Pro is a commercial font