html:lang(ja) body, body[data-lang="ja"] { font-family: system-ui, -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif; }
html:lang(ja) h1, html:lang(ja) h2, body[data-lang="ja"] h1, body[data-lang="ja"] h2 { font-family: Georgia, "Times New Roman", "Hiragino Mincho ProN", "Yu Mincho", serif; }
body[data-lang="zh"] .hero-title { font-size: clamp(48px, 5.6vw, 78px); line-height: 1.22; letter-spacing: .01em; }
body[data-lang="en"] .hero-title { max-width: 820px; font-size: clamp(50px, 5.4vw, 78px); line-height: 1.12; letter-spacing: .01em; }
body[data-lang="ja"] .hero-title { font-size: clamp(46px, 5.2vw, 72px); line-height: 1.34; letter-spacing: .03em; }
body[data-lang="zh"] .cn-tight, body[data-lang="ja"] .cn-tight { letter-spacing: .02em; }
.language-switcher a[aria-current="true"], .language-switcher a.is-active, .mobile-language-switcher a[aria-current="true"], .mobile-language-switcher a.is-active { color: var(--color-text); font-weight: 500; text-decoration: underline; text-decoration-color: var(--color-accent); }
@media (max-width: 820px) {
  body[data-lang="zh"] .hero-title { font-size: clamp(30px, 7.6vw, 35px); line-height: 1.23; }
  body[data-lang="en"] .hero-title { font-size: clamp(32px, 7.9vw, 38px); line-height: 1.13; }
  body[data-lang="ja"] .hero-title { font-size: clamp(30px, 7.6vw, 36px); line-height: 1.3; }
}
@media (max-width: 430px) {
  body[data-lang="zh"] .hero-title { font-size: clamp(28px, 7.2vw, 32px); }
  body[data-lang="en"] .hero-title { font-size: clamp(30px, 7.5vw, 34px); }
  body[data-lang="ja"] .hero-title { font-size: clamp(28px, 7.2vw, 33px); }
}