:root {
  --font-serif: "Iowan Old Style", "Songti TC", "Songti SC", "STSong", "Noto Serif CJK TC", "Noto Serif CJK SC", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang TC", "PingFang SC", sans-serif;
  --type-body: 17px;
  --type-body-reading: 18px;
  --type-small: 13px;
  --type-caption: 12px;
  --type-list-title: 19px;
  --type-section: 25px;
  --type-page-title: clamp(31px, 4vw, 48px);
  --type-article-title: 24px;
  --leading-body: 1.78;
  --leading-reading: 1.92;
}

@media (max-width: 720px) {
  :root {
    --type-body: 16px;
    --type-body-reading: 17px;
    --type-list-title: 18px;
    --type-section: 22px;
    --type-page-title: 34px;
    --type-article-title: 24px;
    --leading-reading: 1.88;
  }
}