/* 正式字体（本地子集，仅含当前页面用字）：BIZ UD / 思源宋体 / IBM Plex。
   4tune 正文字体是森泽 UD Kakugo（商用），BIZ UDPGothic 为免费同源替代。 */
@font-face{
  font-family:'BIZ UDPGothic';font-style:normal;font-weight:400;font-display:swap;
  src:url('formal-bizudgothic-400.woff2') format('woff2');
}
@font-face{
  font-family:'BIZ UDPGothic';font-style:normal;font-weight:700;font-display:swap;
  src:url('formal-bizudgothic-700.woff2') format('woff2');
}
@font-face{
  font-family:'BIZ UDPMincho';font-style:normal;font-weight:400;font-display:swap;
  src:url('formal-bizudpmincho-400.woff2') format('woff2');
}
@font-face{
  font-family:'BIZ UDPMincho';font-style:normal;font-weight:700;font-display:swap;
  src:url('formal-bizudpmincho-700.woff2') format('woff2');
}
@font-face{
  font-family:'Noto Serif JP';font-style:normal;font-weight:400;font-display:swap;
  src:url('formal-notoserifjp-400.woff2') format('woff2');
}
@font-face{
  font-family:'Noto Serif JP';font-style:normal;font-weight:700;font-display:swap;
  src:url('formal-notoserifjp-700.woff2') format('woff2');
}
@font-face{
  font-family:'Noto Serif SC';font-style:normal;font-weight:400;font-display:swap;
  src:url('formal-notoserifsc-400.woff2') format('woff2');
}
@font-face{
  font-family:'Noto Serif SC';font-style:normal;font-weight:700;font-display:swap;
  src:url('formal-notoserifsc-700.woff2') format('woff2');
}
@font-face{
  font-family:'IBM Plex Sans JP';font-style:normal;font-weight:400;font-display:swap;
  src:url('formal-plexsansjp-400.woff2') format('woff2');
}
@font-face{
  font-family:'IBM Plex Sans JP';font-style:normal;font-weight:700;font-display:swap;
  src:url('formal-plexsansjp-700.woff2') format('woff2');
}