font-variant-east-asian

The font-variant-east-asian CSS property controls the use of alternate glyphs for East Asian scripts, like Japanese and Chinese.

css

font-variant-east-asian: normal;

css

font-variant-east-asian: ruby;

css

font-variant-east-asian: jis78;

css

font-variant-east-asian: proportional-width;

html

<section id="default-example">
  <div id="example-element">
    <p>
      JIS78とJIS83以降では、檜と桧、籠と篭など、一部の文字の入れ替えが行われている。また、「唖然」や「躯体」などの書体が変更されている。
    </p>
  </div>
</section>

css

section {
  font-family:
    "YuGothic Medium", "YuGothic", "Yu Gothic Medium", "Yu Gothic", sans-serif;
  margin-top: 10px;
  font-size: 1.5em;
}

Syntax

css

font-variant-east-asian: normal;
font-variant-east-asian: ruby;
font-variant-east-asian: jis78; /* <east-asian-variant-values> */
font-variant-east-asian: jis83; /* <east-asian-variant-values> */
font-variant-east-asian: jis90; /* <east-asian-variant-values> */
font-variant-east-asian: jis04; /* <east-asian-variant-values> */
font-variant-east-asian: simplified; /* <east-asian-variant-values> */
font-variant-east-asian: traditional; /* <east-asian-variant-values> */
font-variant-east-asian: full-width; /* <east-asian-width-values> */
font-variant-east-asian: proportional-width; /* <east-asian-width-values> */
font-variant-east-asian: ruby full-width jis83;

/* Global values */
font-variant-east-asian: inherit;
font-variant-east-asian: initial;
font-variant-east-asian: revert;
font-variant-east-asian: revert-layer;
font-variant-east-asian: unset;

Values

normal
- : This keyword leads to the deactivation of the use of such alternate glyphs.
ruby
- : This keyword forces the use of special glyphs for ruby characters. As these are usually smaller, font creators often designs specific forms, usually slightly bolder to improve the contrast. This keyword corresponds to the OpenType values ruby.

<east-asian-variant-values>

: These values specify a set of logographic glyph variants which should be used for display. Possible values are:

Keyword	Standard defining the glyphs	OpenType equivalent
`jis78`	JIS X 0208:1978	`jp78`
`jis83`	JIS X 0208:1983	`jp83`
`jis90`	JIS X 0208:1990	`jp90`
`jis04`	JIS X 0213:2004	`jp04`
`simplified`	None, use the simplified Chinese glyphs	`smpl`
`traditional`	None, use the traditional Chinese glyphs	`trad`

<east-asian-width-values>
- : These values control the sizing of figures used for East Asian characters. Two values are possible:
  - proportional-width activating the set of East Asian characters which vary in width. It corresponds to the OpenType values pwid.
  - full-width activating the set of East Asian characters which are all of the same, roughly square, width metric. It corresponds to the OpenType values fwid.

Formal definition

Formal syntax

Examples

Setting East Asian glyph variants

This example require font "Yu Gothic" installed in your OS, other fonts may not support OpenType features.

HTML

html

<table>
  <thead></thead>
  <tbody>
    <tr>
      <th>normal/jis78:</th>
      <td>麹町</td>
      <td class="jis78">麹町</td>
    </tr>
    <tr>
      <th>normal/ruby:</th>
      <td>しんかんせん</td>
      <td class="ruby">しんかんせん</td>
    </tr>
    <tr>
      <th>normal/traditional:</th>
      <td>大学</td>
      <td class="traditional">大学</td>
    </tr>
  </tbody>
</table>

CSS

css

tbody {
  border: 0;
}

td {
  font-family: "Yu Gothic", fantasy;
  font-size: 20px;
}
th {
  color: grey;
  padding-right: 10px;
}

.ruby {
  font-variant-east-asian: ruby;
}

.jis78 {
  font-variant-east-asian: jis78;
}

.traditional {
  font-variant-east-asian: traditional;
}

Syntax

Values

Formal definition

Formal syntax

Examples

Setting East Asian glyph variants

HTML

CSS

Result

Specifications

Browser compatibility

See also