/* === 言語別フォント指定 (ゴシック体 / サンセリフ) === */
html:lang(ja) body, html:lang(ja) button {
  font-family: "UD Shin Go NT Regular", "BIZ UD Gothic", "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
html:lang(ko) body, html:lang(ko) button {
  font-family: "Clarimo UD KR Pro Regular", "BIZ UD Gothic", "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
html:lang(zh-hans) body, html:lang(zh-hans) button {
  font-family: "UD Shin Go SC Regular", "BIZ UD Gothic", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
html:lang(zh-hant) body, html:lang(zh-hant) button {
  font-family: "UD ShinGo Std TC R", "BIZ UD Gothic", "Noto Sans TC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
html:lang(en) body, html:lang(en) button,
html:lang(fr) body, html:lang(fr) button,
html:lang(de) body, html:lang(de) button,
html:lang(pt) body, html:lang(pt) button,
html:lang(it) body, html:lang(it) button,
html:lang(vi) body, html:lang(vi) button,
html:lang(ru) body, html:lang(ru) button,
html:lang(es) body, html:lang(es) button {
  font-family: "Clarimo UD PE Narrow Regular", "BIZ UD Gothic", "Noto Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* === 明朝体 / セリフ クラス指定 === */
.serif {
  font-family:
    "Lutes UD PE Medium", /* 欧文, ベトナム語 */
    "UD Reimin R JIS2004 AP", /* 日本語 */
    "UD Reimin Hangul R", /* 韓国語 */
    "UD Reimin SC GB6 R", /* 簡体字 */
    "UD Reimin TC R", /* 繁体字 */
    "Noto Serif", /* Google Fonts: Noto Serif */
    serif; /* フォールバック */
}