/* 日本語の文字範囲だけをKaisei Optiへ置き換える。英数字は既存書体を維持。 */
@font-face {
  font-family: 'Kaisei Opti Japanese';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  unicode-range: U+3000-30FF, U+31F0-31FF, U+3400-4DBF, U+4E00-9FFF, U+F900-FAFF, U+FF61-FF9F, U+20000-2FA1F;
  src: url(https://fonts.gstatic.com/s/kaiseiopti/v11/QldKNThJphYb8_g6c2nlIFle.ttf) format('truetype');
}
@font-face {
  font-family: 'Kaisei Opti Japanese';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  unicode-range: U+3000-30FF, U+31F0-31FF, U+3400-4DBF, U+4E00-9FFF, U+F900-FAFF, U+FF61-FF9F, U+20000-2FA1F;
  src: url(https://fonts.gstatic.com/s/kaiseiopti/v11/QldXNThJphYb8_g6c2nlIGGqxY1u.ttf) format('truetype');
}
@font-face {
  font-family: 'Kaisei Opti Japanese';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  unicode-range: U+3000-30FF, U+31F0-31FF, U+3400-4DBF, U+4E00-9FFF, U+F900-FAFF, U+FF61-FF9F, U+20000-2FA1F;
  src: url(https://fonts.gstatic.com/s/kaiseiopti/v11/QldXNThJphYb8_g6c2nlIGHiw41u.ttf) format('truetype');
}