Using OpenType font features with CSS 3: Part 1 | Fontdeck Blog

The vast majority of fonts contain lowercase and uppercase alphabets, numerals, punctuation and accents. But there can be much more to fonts than this basic set of characters. Many professionally-designed fonts also contain ligatures, alternative characters, smallcaps, different kinds of numbers, and sometimes much more besides. Discretionary ligatures in Magneta · Stylistic alternate in Raisonne

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CSS3でOpenTypeフォントにある合字や代替字やスモールキャップスを指定する方法その1。