SCSS font configuration using serif CJK fonts

typography.scss

@font-face {
  font-family: "Kagami Serif";
  src: local("Liberation Serif"),
       local("Times New Roman"),
       local("Times");
}

@font-face {
  font-family: "Kagami Songti SC";
  src: local("Songti SC Regular"), local(STSongti-SC-Regular), // OS X 10.8
       local("Adobe Song Std");                                // Linux
}

@font-face {
  font-family: "Kagami Songti TC";
  src: local("Songti TC Regular"), local(STSongti-TC-Regular), // OS X 10.8
       local("LiSong Pro"), local(LiSongPro);                  // OS X
}

@font-face {
  font-family: "Kagami Mincho";
  src: local("YuMincho Medium"), local(YuMin-Medium),          // OS X 10.9
       local("Yu Mincho Regular"), local(YuMincho-Regular)     // Windows 8.1
       local("Hiragino Mincho ProN W3"), local(HiraMinProN-W3) // OS X 10.6 & iOS
       local("IPAMincho Regular"), local(IPAMincho);           // Linux
}

@font-face {
  font-family: "Kagami Emoji";
  src: local("Apple Color Emoji"), // OS X 10.7 & iOS
       local("Segoe UI Emoji"),    // Windows 8.1
       local("Segoe UI Symbol"),   // Windows 7
       local("Android Emoji");     // Linux
}

@font-face {
  font-family: "Kagami Sans";
  src: local("Segoe UI Light"),
       local("Segoe UI"),
       local("HelveticaNeue Light"),
       local("HelveticaNeue"),
       local("Helvetica Light"),
       local("Helvetica"),
       local("Arial");
}

@mixin font-sans {
  font-family: "Kagami Sans", sans-serif, "Kagami Emoji";
}

@mixin font-serif {
  font-family: "Kagami Serif", serif, "Kagami Emoji";
}

@mixin font-serif-zh-Hans {
  font-family: "Kagami Serif", "Kagami Songti SC", serif, "Kagami Emoji";
}

@mixin font-serif-zh-Hant {
  font-family: "Kagami Serif", "Kagami Songti TC", serif, "Kagami Emoji";
}

@mixin font-serif-ja {
  font-family: "Kagami Serif", "Kagami Mincho", serif, "Kagami Emoji";
}