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Furifont, a Japanese font that shows furigana

Original article
furifont.antfu.me|52 points|9 comments|by plaguna|Oct 15, 2026

Furifont: A Japanese Typeface with Integrated Furigana

Furifont: A specialized font where furigana is natively embedded within the typeface itself.

Overview

Unlike traditional methods of displaying reading aids, Furifont eliminates the need for external markup. It transforms how Japanese text is rendered by incorporating the phonetic guides directly into the glyphs.

Comparison of Implementation

MethodRequirementIntegration
Standard FontsManual Ruby TagsExternal
FurifontNative Font FileBuilt-in

Technical Logic

The relationship between the base character and its reading can be expressed as: Visual Output=Kanji+Furiganaintegrated\text{Visual Output} = \text{Kanji} + \text{Furigana}_{\text{integrated}}Visual Output=Kanji+Furiganaintegrated​

Implementation Details

To utilize this font in a digital environment, one might apply a CSS rule such as:

.japanese-text {
    font-family: 'Furifont', sans-serif;
}

Key Objectives:

  • Integrate furigana into the font file.
  • Reduce reliance on HTML <ruby> elements.
  • Expand character coverage.

Furifont Concept

Note: This approach ensures that the reading aids remain consistent regardless of the software's support for ruby characters.