/*
 * site.css — 熟成飛騨牛焼肉GYU-SUKE
 * デザイン方針は docs/gpt/design-direction.md（GPT作成）のトークンに準拠。
 * 「黒の食卓（料理）／生成りの間（店内・案内）」をセクション背景で切り替える。
 */
:root {
  --ink: #171716; --ink2: #201f1d; --paper: #F6F0E6; --gold: #B79654; --gold-l: #d8bd83; --smoke: #625D55; --wine: #7B2027;
  --line: rgba(183, 150, 84, .45);
  --serif: "Shippori Mincho", "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --latin: "Cormorant Garamond", "Shippori Mincho", serif;
  --pad: max(20px, 5vw); --max: 1200px; --hd: 68px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--hd) + 16px); -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--ink); color: var(--paper); font: 400 16px/1.9 var(--sans); letter-spacing: .04em; overflow-x: hidden; }
img { display: block; max-width: 100%; height: auto; }
picture { display: block; }
a { color: inherit; }
h1, h2, h3 { text-wrap: balance; font-family: var(--serif); font-weight: 500; line-height: 1.5; letter-spacing: .08em; margin: 0; }
p { margin: 0 0 1em; }
ul, ol, dl, dd { margin: 0; padding: 0; list-style: none; }
address { font-style: normal; }
:focus-visible { outline: 2px solid var(--gold-l); outline-offset: 3px; }
.skip { position: absolute; left: -9999px; top: 0; background: var(--paper); color: var(--ink); padding: 12px 20px; z-index: 100; }
.skip:focus { left: 0; }
.center { text-align: center; margin: 48px 0 0; }
.eyebrow { font: 500 15px/1 var(--latin); letter-spacing: .28em; text-transform: uppercase; color: var(--gold); margin: 0 0 18px; }
.lead { color: inherit; opacity: .82; max-width: 44em; margin: 18px auto 0; }

/* ボタン */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 28px; border: 1px solid var(--gold); font: 500 14px/1.2 var(--sans); letter-spacing: .14em; text-decoration: none; transition: background .15s, color .15s; cursor: pointer; }
.btn--lg { min-height: 56px; padding: 0 40px; font-size: 15px; }
.btn--gold { background: var(--gold); color: var(--ink); }
.btn--gold:hover { background: var(--paper); border-color: var(--paper); }
.btn--line { color: var(--paper); background: transparent; }
.btn--line:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.btn--dark { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn--dark:hover { background: transparent; color: var(--ink); }
.btn--ghost { color: var(--ink); border-color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--paper); }
.row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

/* ヘッダー */
.hd { position: fixed; inset: 0 0 auto 0; height: var(--hd); z-index: 50; display: flex; align-items: center; gap: 28px; padding: 0 var(--pad); background: rgba(23, 23, 22, .92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.hd__brand { display: flex; align-items: baseline; gap: 14px; text-decoration: none; margin-right: auto; }
.hd__mark { font: 500 26px/1 var(--latin); letter-spacing: .2em; }
.hd__sub { font: 500 12px/1 var(--serif); letter-spacing: .2em; color: var(--gold-l); }
.hd__nav { display: flex; gap: 26px; }
.hd__nav a { font-size: 13px; letter-spacing: .12em; text-decoration: none; padding: 8px 0; border-bottom: 1px solid transparent; }
.hd__nav a:hover, .hd__nav a[aria-current] { border-color: var(--gold); color: var(--gold-l); }
.hd__cta { min-height: 40px; padding: 0 20px; font-size: 13px; }
.hd__toggle { display: none; width: 44px; height: 44px; background: none; border: 0; padding: 0; cursor: pointer; }
.hd__toggle span { display: block; width: 26px; height: 1px; background: var(--paper); margin: 8px auto; transition: transform .2s; }
.nav-open .hd__toggle span:first-child { transform: translateY(4.5px) rotate(45deg); }
.nav-open .hd__toggle span:last-child { transform: translateY(-4.5px) rotate(-45deg); }

/* ヒーロー（トップ） */
.hero { position: relative; min-height: min(100svh, 960px); display: flex; flex-direction: column; justify-content: flex-end; padding: calc(var(--hd) + 40px) var(--pad) 0; isolation: isolate; }
.hero picture, .hero__img { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -2; }
.hero picture { left: 18%; width: 82%; }
.hero__img { object-fit: cover; object-position: 50% 50%; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, var(--ink) 0%, var(--ink) 18%, rgba(23, 23, 22, .7) 36%, rgba(23, 23, 22, 0) 62%), linear-gradient(0deg, rgba(23, 23, 22, .9) 0%, rgba(23, 23, 22, 0) 38%); }
.hero__in { max-width: 640px; margin-bottom: clamp(40px, 8vh, 96px); }
.hero h1 { display: flex; flex-direction: column; gap: 18px; }
.hero__h1 { font: 500 14px/1.6 var(--sans); letter-spacing: .3em; color: var(--gold-l); order: -1; }
.hero__catch { font-size: clamp(30px, 4.6vw, 58px); line-height: 1.45; letter-spacing: .1em; }
.hero__sub { margin: 26px 0 36px; opacity: .88; max-width: 34em; }
.hero__btns { display: flex; flex-wrap: wrap; gap: 14px; }
.facts { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); margin: 0 calc(var(--pad) * -1); padding: 0 var(--pad); background: rgba(23, 23, 22, .6); }
.facts li { padding: 22px 12px; text-align: center; font-size: 12px; letter-spacing: .14em; opacity: .9; border-left: 1px solid var(--line); }
.facts li:first-child { border-left: 0; }
.facts b { display: block; font: 500 22px/1.4 var(--serif); letter-spacing: .08em; color: var(--gold-l); }

/* 下層ヒーロー */
.ph { position: relative; min-height: min(56vh, 560px); display: flex; align-items: flex-end; padding: calc(var(--hd) + 80px) var(--pad) 64px; isolation: isolate; }
.ph picture, .ph__img { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -2; object-fit: cover; }
.ph::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(0deg, rgba(23, 23, 22, .92) 0%, rgba(23, 23, 22, .35) 60%, rgba(23, 23, 22, .55) 100%); }
.ph__in { max-width: var(--max); width: 100%; margin: 0 auto; }
.ph h1 { font-size: clamp(32px, 5vw, 56px); letter-spacing: .14em; }
.ph p:last-child { margin: 14px 0 0; opacity: .88; max-width: 40em; }

/* セクション */
.sec { padding: clamp(80px, 11vw, 136px) var(--pad); }
.sec > * { max-width: var(--max); margin-left: auto; margin-right: auto; }
.sec--paper { background: var(--paper); color: var(--ink); }
.sec--paper .eyebrow { color: #8a6d2f; }
.sec--ink + .sec--ink { padding-top: 0; }
.narrow > * { max-width: 860px; }
.sec__head { text-align: center; margin-bottom: clamp(40px, 6vw, 72px); }
.sec__head h2, .split h2, .cta h2 { font-size: clamp(26px, 3.4vw, 40px); }
.sec__head h2::after { content: ""; display: block; width: 56px; height: 1px; background: var(--gold); margin: 26px auto 0; }

/* 2カラム */
.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 6vw, 88px); align-items: center; max-width: none; }
.split > * { max-width: none; margin: 0; }
.split--rev { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.split--rev .split__img { order: -1; }
.split:not(.split--rev) .split__txt { justify-self: end; max-width: 480px; width: 100%; }
.split--rev .split__txt { max-width: 480px; }
.split__txt h2 { margin-bottom: 28px; }
.split__txt .btn { margin-top: 20px; }
.split__img img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.split:not(.split--rev) { padding-right: 0; }
.split--rev { padding-left: 0; }
.num { font: 500 56px/1 var(--latin); color: var(--gold); margin: 0 0 12px; }
.nums { counter-reset: n; margin-bottom: 12px; }
.nums li { counter-increment: n; display: flex; gap: 20px; align-items: baseline; padding: 16px 0; border-bottom: 1px solid var(--line); }
.nums li::before { content: "0" counter(n); font: 500 20px/1 var(--latin); color: var(--gold); }
.nums b { font: 500 18px/1.5 var(--serif); letter-spacing: .1em; }
.ticks li { padding: 12px 0 12px 28px; border-bottom: 1px solid rgba(23, 23, 22, .15); position: relative; }
.ticks li::before { content: ""; position: absolute; left: 4px; top: 1.45em; width: 10px; height: 1px; background: var(--gold); }

/* コース */
.courses { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.course { border: 1px solid var(--line); display: flex; flex-direction: column; background: var(--ink2); }
.course__img { position: relative; }
.course__img img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.course__badge { position: absolute; top: 0; left: 0; background: var(--gold); color: var(--ink); font-size: 12px; letter-spacing: .16em; padding: 6px 14px; }
.course__body { padding: 28px 24px 32px; display: flex; flex-direction: column; flex: 1; }
.course h3 { font-size: 20px; text-align: center; }
.course__meta { display: flex; flex-wrap: wrap; justify-content: center; align-items: baseline; gap: 6px 16px; margin: 16px 0 20px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.course__meta span { font-size: 12px; border: 1px solid var(--line); padding: 2px 10px; letter-spacing: .1em; }
.course__meta b { font: 500 32px/1 var(--latin); letter-spacing: .06em; color: var(--gold-l); }
.course__meta small { flex-basis: 100%; text-align: center; font-size: 11px; opacity: .7; }
.course__body > p { font-size: 14px; opacity: .88; }
.course__list { font-size: 13px; margin: 4px 0 24px; opacity: .9; }
.course__list li { padding: 9px 0 9px 18px; border-top: 1px solid rgba(183, 150, 84, .2); position: relative; }
.course__list li::before { content: ""; position: absolute; left: 2px; top: 1.35em; width: 6px; height: 1px; background: var(--gold); }
.course .btn { margin-top: auto; }

/* ギャラリー */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; max-width: none; padding-left: 0; padding-right: 0; }
.sec > .gallery { max-width: var(--max); }
.gallery figure { margin: 0; position: relative; overflow: hidden; }
.gallery img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; transition: transform .6s; }
.gallery figure:hover img { transform: scale(1.03); }
.gallery figcaption { position: absolute; left: 0; bottom: 0; right: 0; padding: 28px 18px 14px; font: 500 14px/1.4 var(--serif); letter-spacing: .14em; background: linear-gradient(0deg, rgba(23, 23, 22, .85), transparent); }

/* メニュー表（品書き） */
.anchors { position: sticky; top: var(--hd); z-index: 20; display: flex; justify-content: center; gap: 8px; padding: 10px var(--pad); background: var(--ink); border-bottom: 1px solid var(--line); }
.anchors a { font-size: 13px; letter-spacing: .14em; text-decoration: none; padding: 8px 20px; border: 1px solid var(--line); }
.anchors a:hover { background: var(--gold); color: var(--ink); }
.cards { columns: 2; column-gap: 56px; }
.card { break-inside: avoid; margin: 0 0 56px; }
.card--wide { column-span: all; }
.card--wide .price { columns: 2; column-gap: 56px; }
.card--wide .price li { break-inside: avoid; }
.card h3 { font-size: 20px; padding-bottom: 14px; border-bottom: 1px solid var(--gold); margin-bottom: 6px; }
.card__img { margin: 16px 0 6px; }
.card__img img { width: 100%; aspect-ratio: 16 / 7; object-fit: cover; }
.card--wide .card__img img { aspect-ratio: 16 / 5; }
.price li { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 13px 0; border-bottom: 1px solid rgba(23, 23, 22, .14); font-size: 15px; }
.price b { font: 500 19px/1 var(--latin); letter-spacing: .04em; white-space: nowrap; }
.cards--ink .price li { border-color: rgba(183, 150, 84, .22); }
.cards--ink .price b { color: var(--gold-l); }
.notes { font-size: 13px; opacity: .85; margin-top: 40px; }
.notes li { padding-left: 1.2em; text-indent: -1.2em; margin-bottom: 6px; }
.notes li::before { content: "※"; }
.notes--lg { font-size: 15px; margin-top: 0; }
.notes--lg li { padding: 18px 0 18px 1.2em; border-bottom: 1px solid var(--line); margin: 0; }

/* 表組み */
.spec > div { display: grid; grid-template-columns: 9.5em 1fr; gap: 16px; padding: 18px 0; border-bottom: 1px solid rgba(23, 23, 22, .16); }
.spec > div:first-child { border-top: 1px solid rgba(23, 23, 22, .16); }
.spec dt { font: 500 14px/1.9 var(--serif); letter-spacing: .12em; color: #8a6d2f; }
.spec dd { font-size: 15px; }

/* FAQ */
.faq details { border-bottom: 1px solid rgba(23, 23, 22, .18); }
.faq details:first-child { border-top: 1px solid rgba(23, 23, 22, .18); }
.faq summary { cursor: pointer; list-style: none; padding: 22px 44px 22px 0; font: 500 17px/1.7 var(--serif); letter-spacing: .06em; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "＋"; position: absolute; right: 6px; top: 22px; color: #8a6d2f; font-family: var(--sans); }
.faq details[open] summary::after { content: "－"; }
.faq p { padding: 0 0 24px; margin: 0; color: var(--smoke); }

/* 予約CTA・フッター */
.cta { text-align: center; padding: clamp(80px, 10vw, 120px) var(--pad); background: var(--ink2); border-top: 1px solid var(--line); }
.cta p:not(.eyebrow) { opacity: .82; margin: 20px auto 36px; max-width: 36em; }
.cta__btns { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.cta .btn--line { font: 500 20px/1 var(--latin); letter-spacing: .12em; }
.ft { padding: 72px var(--pad) 32px; border-top: 1px solid var(--line); font-size: 13px; }
.ft__in { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
.ft__mark { font: 500 30px/1 var(--latin); letter-spacing: .2em; margin: 0 0 8px; }
.ft__name { font-family: var(--serif); color: var(--gold-l); letter-spacing: .14em; }
.ft address { opacity: .8; line-height: 2.1; }
.ft__nav, .ft__sns { display: flex; flex-direction: column; gap: 12px; }
.ft__nav a, .ft__sns a { text-decoration: none; opacity: .85; }
.ft__nav a:hover, .ft__sns a:hover { color: var(--gold-l); }
.ft__copy { text-align: center; opacity: .5; margin: 56px 0 0; font-size: 11px; letter-spacing: .2em; }

/* スマホ下部固定の予約バー */
.bar { display: none; }

/* スクロール表示（JS有効かつ動きを許可している場合のみ初期非表示） */
.js-rv .rv { opacity: 0; transform: translateY(8px); transition: opacity .4s ease, transform .4s ease; }
.js-rv .rv.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } html { scroll-behavior: auto; } }

@media (max-width: 1080px) {
  .hd__nav { position: fixed; inset: var(--hd) 0 0 0; flex-direction: column; gap: 0; background: var(--ink); padding: 24px var(--pad); transform: translateX(100%); transition: transform .25s; visibility: hidden; }
  .hd__nav.is-open { transform: none; visibility: visible; }
  .hd__nav a { font: 500 18px/1 var(--serif); padding: 24px 0; border-bottom: 1px solid var(--line); }
  .hd__toggle { display: block; }
  .nav-open { overflow: hidden; }
}
@media (max-width: 899px) {
  :root { --hd: 60px; }
  .hd { gap: 12px; }
  .hd__sub { display: none; }
  .hd__mark { font-size: 22px; }
  .hd__cta { display: none; }
  .hero { min-height: 0; padding-top: calc(var(--hd) + 66.7vw - 24px); }
  .hero picture { left: 0; top: var(--hd); width: 100%; height: 66.7vw; }
  .hero__img { object-position: 50% 50%; }
  .hero::before { top: var(--hd); height: 66.7vw; bottom: auto; background: linear-gradient(0deg, var(--ink) 0%, rgba(23, 23, 22, 0) 30%); }
  .hero__in { margin-bottom: 40px; }
  .hero__btns .btn { flex: 1 1 100%; }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .facts li:nth-child(3) { border-left: 0; }
  .facts li:nth-child(n+3) { border-top: 1px solid var(--line); }
  .split:not(.split--rev), .split.split--rev { grid-template-columns: 1fr; padding-left: var(--pad); padding-right: var(--pad); }
  .split .split__img { order: -1; margin: 0 calc(var(--pad) * -1); }
  .split:not(.split--rev) .split__txt, .split--rev .split__txt { max-width: none; justify-self: stretch; }
  .courses { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .cards, .card--wide .price { columns: 1; }
  .card__img img, .card--wide .card__img img { aspect-ratio: 16 / 8; }
  .spec > div { grid-template-columns: 1fr; gap: 2px; }
  .ft__in { grid-template-columns: 1fr; }
  .ft { padding-bottom: 96px; }
  .cta { padding-bottom: 112px; }
  .bar { display: grid; grid-template-columns: 1fr 1fr 1.6fr; position: fixed; inset: auto 0 0 0; z-index: 40; background: var(--ink); border-top: 1px solid var(--gold); padding-bottom: env(safe-area-inset-bottom); }
  .bar a { display: flex; align-items: center; justify-content: center; min-height: 56px; font-size: 13px; letter-spacing: .1em; text-decoration: none; border-left: 1px solid var(--line); }
  .bar a:first-child { border-left: 0; }
  .bar__main { background: var(--gold); color: var(--ink); font-weight: 500; }
}

/* 言語切替（JS不要の <details>） */
.lang { position: relative; font-size: 13px; }
.lang summary { list-style: none; cursor: pointer; padding: 9px 14px; border: 1px solid var(--line); letter-spacing: .08em; white-space: nowrap; }
.lang summary::-webkit-details-marker { display: none; }
.lang summary::after { content: "▾"; margin-left: 8px; color: var(--gold); }
.lang__list { position: absolute; right: 0; top: calc(100% + 6px); min-width: 170px; background: var(--ink); border: 1px solid var(--line); display: flex; flex-direction: column; z-index: 60; }
.lang__list a { padding: 12px 16px; text-decoration: none; border-bottom: 1px solid rgba(183, 150, 84, .2); }
.lang__list a:last-child { border-bottom: 0; }
.lang__list a:hover, .lang__list a[aria-current] { background: var(--gold); color: var(--ink); }

/* 言語別の書体。欧文は字間を詰め、見出しはCormorantで大きめに */
html[lang="zh-Hans"] { --serif: "Noto Serif SC", serif; --sans: "Noto Sans SC", sans-serif; }
html[lang="zh-Hant"] { --serif: "Noto Serif TC", serif; --sans: "Noto Sans TC", sans-serif; }
html[lang="ko"] { --serif: "Noto Serif KR", serif; --sans: "Noto Sans KR", sans-serif; }
html[lang="ko"] body { word-break: keep-all; }
html[lang="en"], html[lang="es"], html[lang="fr"], html[lang="de"], html[lang="it"], html[lang="id"], html[lang="ms"] { --serif: "Cormorant Garamond", Georgia, serif; --sans: "Noto Sans", "Helvetica Neue", Arial, sans-serif; }
html:is([lang="en"], [lang="es"], [lang="fr"], [lang="de"], [lang="it"], [lang="vi"], [lang="id"], [lang="ms"]) body { letter-spacing: .01em; line-height: 1.75; }
html:is([lang="en"], [lang="es"], [lang="fr"], [lang="de"], [lang="it"], [lang="vi"], [lang="id"], [lang="ms"]) :is(h1, h2, h3) { letter-spacing: .02em; line-height: 1.25; font-weight: 500; }
html:is([lang="en"], [lang="es"], [lang="fr"], [lang="de"], [lang="it"], [lang="vi"], [lang="id"], [lang="ms"]) .hero__catch { font-size: clamp(36px, 5.2vw, 68px); line-height: 1.12; letter-spacing: .01em; }
html:is([lang="en"], [lang="es"], [lang="fr"], [lang="de"], [lang="it"], [lang="vi"], [lang="id"], [lang="ms"]) :is(.sec__head h2, .split h2, .cta h2) { font-size: clamp(32px, 4vw, 50px); }
html:is([lang="en"], [lang="es"], [lang="fr"], [lang="de"], [lang="it"], [lang="vi"], [lang="id"], [lang="ms"]) :is(.course h3, .card h3) { font-size: 25px; }
html:is([lang="en"], [lang="es"], [lang="fr"], [lang="de"], [lang="it"], [lang="vi"], [lang="id"], [lang="ms"]) .faq summary { font-size: 21px; line-height: 1.4; }
html:is([lang="en"], [lang="es"], [lang="fr"], [lang="de"], [lang="it"], [lang="vi"], [lang="id"], [lang="ms"]) :is(.btn, .hd__nav a, .bar a, .facts li) { letter-spacing: .06em; }
html:is([lang="en"], [lang="es"], [lang="fr"], [lang="de"], [lang="it"], [lang="vi"], [lang="id"], [lang="ms"]) .nums b { font-size: 22px; letter-spacing: .02em; }
html:is([lang="en"], [lang="es"], [lang="fr"], [lang="de"], [lang="it"], [lang="vi"], [lang="id"], [lang="ms"]) .spec dt { font-size: 17px; letter-spacing: .03em; }
@media (min-width: 1081px) { html:not([lang="ja"]) .hd__nav { gap: 18px; } html:not([lang="ja"]) .hd__sub { display: none; } }
@media (max-width: 1080px) { .lang { margin-left: auto; } .hd__brand { margin-right: 0; } }
@media (max-width: 899px) { .lang summary { padding: 7px 10px; font-size: 12px; } }
html:is([lang="en"], [lang="es"], [lang="fr"], [lang="de"], [lang="it"], [lang="vi"], [lang="id"], [lang="ms"]) .hero__h1 { letter-spacing: .16em; }
html:is([lang="en"], [lang="es"], [lang="fr"], [lang="de"], [lang="it"], [lang="vi"], [lang="id"], [lang="ms"]) .facts b { font-size: 20px; }

/* 実ロゴ（筆文字）。AIデータから生成り色に再着色したもの。形状は変更していない */
.hd__brand { align-items: center; gap: 16px; }
.hd__logo { height: 34px; width: auto; }
img.hd__sub { height: 15px; width: auto; opacity: .92; }
.ft__logo { width: 230px; height: auto; margin: 0 0 18px; }
@media (max-width: 899px) { .hd__logo { height: 28px; } img.hd__sub { display: none; } .ft__logo { width: 200px; } }

/* ベトナム語：声調記号が重なるため見出しはNoto Serif（Cormorantだと記号が詰まる）。タイ語・ミャンマー語：字間0・行間広め */
html[lang="vi"] { --serif: "Noto Serif", Georgia, serif; --sans: "Noto Sans", "Helvetica Neue", Arial, sans-serif; }
html[lang="vi"] :is(h1, h2, h3) { line-height: 1.35; }
html[lang="vi"] .hero__catch { font-size: clamp(30px, 4.2vw, 54px); line-height: 1.3; }
html[lang="th"] { --serif: "Noto Serif Thai", serif; --sans: "Noto Sans Thai", sans-serif; }
html[lang="my"] { --serif: "Noto Serif Myanmar", serif; --sans: "Noto Sans Myanmar", sans-serif; }
html:is([lang="th"], [lang="my"]) :is(body, h1, h2, h3, .btn, .hd__nav a, .bar a, .facts li, .nums b, .spec dt, .hero__h1, .course__badge, .anchors a) { letter-spacing: 0; }
html:is([lang="th"], [lang="my"]) body { line-height: 2; }
html[lang="my"] body { line-height: 2.2; font-size: 15px; }
html:is([lang="th"], [lang="my"]) :is(h1, h2, h3) { line-height: 1.7; }
html:is([lang="th"], [lang="my"]) .hero__catch { font-size: clamp(26px, 3.6vw, 46px); line-height: 1.7; }
html[lang="my"] :is(.sec__head h2, .split h2, .cta h2) { font-size: clamp(22px, 2.8vw, 32px); }

html[lang="de"] :is(h1, h2, h3, .btn, .spec dt, .price span) { hyphens: auto; overflow-wrap: anywhere; }