/* ==========================================================================
   TOKYO COWBOY — ベース / デザインシステム（ダーク・ラグジュアリー）
   ========================================================================== */

:root {
    /* Colors（漆黒＋生成り＋金＋和牛の赤） */
    --c-bg:        #12100e;   /* 漆黒（やや温かい黒） */
    --c-bg-2:      #1b1714;   /* パネル用の少し明るい黒 */
    --c-bg-3:      #241f1a;
    --c-ink:       #f1e8db;   /* 生成りの文字 */
    --c-ink-soft:  #b7ac9b;
    --c-muted:     #8a8073;
    --c-gold:      #c8a45c;   /* 真鍮/金 */
    --c-gold-dk:   #a9884a;
    --c-red:       #a52a22;   /* 和牛の赤（差し色） */
    --c-line:      rgba(255, 255, 255, 0.12);
    --c-line-soft: rgba(255, 255, 255, 0.07);

    /* Typography */
    --f-sans:  "Noto Sans JP", -apple-system, "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
    --f-serif: "Shippori Mincho", serif;
    --f-en:    "Cormorant Garamond", "Shippori Mincho", serif;

    /* Layout */
    --container: 1180px;
    --gutter: 24px;
    --section-y: 120px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--f-sans);
    font-weight: 300;
    font-size: 15px;
    line-height: 1.9;
    color: var(--c-ink);
    background: var(--c-bg);
    letter-spacing: 0.04em;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .3s ease, opacity .3s ease; }
a:hover { opacity: .85; }

/* Layout ------------------------------------------------------------------ */
.container { max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.container--narrow { max-width: 760px; }
.section { padding-block: var(--section-y); }
.section--tight { padding-block: 80px; }
.site-main { min-height: 60vh; }

/* Typography -------------------------------------------------------------- */
.eyebrow {
    font-family: var(--f-en);
    font-size: 14px;
    letter-spacing: 0.34em;
    text-transform: uppercase;
    color: var(--c-gold);
    margin-bottom: 22px;
}
.eyebrow--center { text-align: center; }
.title {
    font-family: var(--f-serif);
    font-weight: 600;
    font-size: clamp(23px, 2.9vw, 34px);
    line-height: 1.5;
    letter-spacing: 0.06em;
    color: var(--c-ink);
    margin: 0 0 26px;
}
.title--center { text-align: center; }
.lead {
    font-size: 15px;
    line-height: 2.1;
    color: var(--c-ink-soft);
    letter-spacing: 0.06em;
}
.lead--center { text-align: center; max-width: 640px; margin-inline: auto; }

.prose p { margin: 0 0 1.6em; color: var(--c-ink-soft); line-height: 2.1; }
.prose p:last-child { margin-bottom: 0; }

/* Buttons ----------------------------------------------------------------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 12px;
    padding: 17px 40px;
    font-family: var(--f-sans);
    font-size: 13px; font-weight: 400; letter-spacing: 0.16em;
    border: 1px solid var(--c-gold);
    color: var(--c-gold);
    background: transparent;
    border-radius: 0;
    cursor: pointer;
    transition: background .35s ease, color .35s ease, border-color .35s ease;
}
.btn:hover { background: var(--c-gold); color: #17130d; opacity: 1; }
.btn--fill { background: var(--c-gold); color: #17130d; }
.btn--fill:hover { background: var(--c-gold-dk); border-color: var(--c-gold-dk); }
.btn--light { border-color: rgba(241,232,219,.5); color: var(--c-ink); }
.btn--light:hover { background: var(--c-ink); color: #17130d; border-color: var(--c-ink); }
.btn--sm { padding: 12px 26px; font-size: 12px; }

.link-arrow {
    display: inline-flex; align-items: center; gap: 10px;
    font-size: 13px; letter-spacing: 0.14em; color: var(--c-gold);
    font-family: var(--f-en); text-transform: uppercase;
}
.link-arrow::after { content: "→"; transition: transform .3s ease; }
.link-arrow:hover::after { transform: translateX(6px); }

/* Divider ----------------------------------------------------------------- */
.section--divider { border-top: 1px solid var(--c-line-soft); }
.rule { width: 40px; height: 1px; background: var(--c-gold); margin: 0 auto 26px; }

/* Header ------------------------------------------------------------------ */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 60;
    padding: 22px 0;
    transition: background .4s ease, padding .4s ease, border-color .4s ease;
    border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
    background: rgba(18, 16, 14, 0.92);
    backdrop-filter: blur(10px);
    padding: 14px 0;
    border-bottom-color: var(--c-line-soft);
}
.site-header__inner {
    max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter);
    display: flex; align-items: center; gap: 28px;
}
.site-logo { display: flex; flex-direction: column; align-items: flex-start; line-height: 1; color: var(--c-ink); }
.site-logo svg { height: 30px; width: auto; display: block; }
.site-footer .site-logo svg { height: 34px; }
.site-logo:hover { opacity: .85; }
/* フッターのブランド部分は中央寄せ */
.site-footer__brand { text-align: center; }
.site-footer__brand .site-logo { align-items: center; }
.site-logo__mark {
    font-family: var(--f-en); font-weight: 600; font-size: 26px;
    letter-spacing: 0.14em; color: var(--c-ink);
}
.site-logo__sub {
    font-family: var(--f-sans); font-size: 9px; letter-spacing: 0.34em;
    color: var(--c-gold); margin-top: 5px;
}
.site-nav { margin-left: auto; }
.site-nav__list { list-style: none; display: flex; gap: 30px; margin: 0; padding: 0; }
.site-nav__item a {
    font-size: 13px; letter-spacing: 0.1em; color: var(--c-ink-soft);
    position: relative; padding-bottom: 4px;
}
.site-nav__item a:hover { color: var(--c-ink); opacity: 1; }
.site-header__actions { display: flex; align-items: center; }
.site-header__toggle {
    display: none; flex-direction: column; gap: 6px; width: 40px; height: 40px;
    padding: 9px; background: none; border: none; cursor: pointer; margin-left: auto;
}
.site-header__toggle span { display: block; height: 1px; background: var(--c-ink); transition: .3s; }

/* 言語切替トグル（JP / EN） */
.lang-switch { display: inline-flex; align-items: center; gap: 7px; font-family: var(--f-en); font-size: 13px; letter-spacing: 0.14em; }
.lang-switch__btn { background: none; border: none; cursor: pointer; color: var(--c-muted); padding: 4px 2px; font: inherit; letter-spacing: inherit; transition: color .25s; }
.lang-switch__btn:hover { color: var(--c-ink); opacity: 1; }
.lang-switch__btn.is-active { color: var(--c-gold); }
.lang-switch__sep { color: var(--c-line); }
.lang-switch--menu { display: none; }

/* Google 翻訳ウィジェットの既定UIを非表示 */
.goog-te-banner-frame, .goog-te-banner-frame.skiptranslate { display: none !important; }
.skiptranslate iframe { display: none !important; visibility: hidden !important; }
body { top: 0 !important; position: static !important; }
#google_translate_element { display: none !important; }
#goog-gt-tt, .goog-tooltip, .goog-tooltip:hover, .goog-te-balloon-frame { display: none !important; }
.goog-text-highlight { background: none !important; box-shadow: none !important; color: inherit !important; }
.goog-te-gadget { height: 0; overflow: hidden; font-size: 0; }

/* Footer ------------------------------------------------------------------ */
.site-footer { background: #0b0a09; border-top: 1px solid var(--c-line-soft); }
.site-footer__inner {
    max-width: var(--container); margin-inline: auto; padding: 80px var(--gutter) 40px;
    display: grid; grid-template-columns: 1.4fr 3fr; gap: 48px;
}
.site-footer__brand .site-logo__mark { font-size: 30px; }
.site-footer__tagline { margin-top: 18px; font-size: 13px; color: var(--c-muted); line-height: 2; }
.site-footer__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.footer-col__title {
    font-family: var(--f-en); font-size: 12px; letter-spacing: 0.24em; text-transform: uppercase;
    color: var(--c-gold); margin: 0 0 18px;
}
.footer-col__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.footer-col__list a { font-size: 13px; color: var(--c-ink-soft); }
.footer-col__list a:hover { color: var(--c-ink); }
.site-footer__group {
    margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--c-line-soft);
}
.site-footer__group span { display: block; font-size: 10px; letter-spacing: 0.16em; color: var(--c-muted); margin-bottom: 6px; }
.site-footer__group a { font-size: 13px; color: var(--c-ink-soft); }
.site-footer__bottom {
    border-top: 1px solid var(--c-line-soft); padding: 22px var(--gutter);
    text-align: center; font-size: 11px; letter-spacing: 0.1em; color: var(--c-muted);
}

/* Reveal ------------------------------------------------------------------ */
.reveal-ready [data-reveal] { opacity: 0; transform: translateY(28px); }
.reveal-ready [data-reveal].is-in {
    opacity: 1; transform: none;
    transition: opacity 1.1s cubic-bezier(.22,.61,.36,1), transform 1.1s cubic-bezier(.22,.61,.36,1);
}

/* Generic page shell ------------------------------------------------------ */
.page-head {
    position: relative;
    padding: 200px 0 84px;
    text-align: center;
    border-bottom: 1px solid var(--c-line-soft);
    background-image: var(--ph-bg, none);
    background-size: cover; background-position: center;
    /* 背景写真を padding-box までで止める。scrim(inset:0=padding-box) が覆う範囲と一致させ、
       border-bottom(1px) 部分に生写真が線状に覗くのを防ぐ。 */
    background-clip: padding-box;
    overflow: hidden;
}
.page-head__scrim { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(12,10,9,.66), rgba(12,10,9,.85)); }
.page-head .container { position: relative; }
.page-head__title { font-family: var(--f-serif); font-size: clamp(26px, 3.4vw, 40px); letter-spacing: 0.08em; margin: 0; color: #fff; }

/* 規約・ポリシー系の本文 ---------------------------------------------------- */
.legal { font-size: 14.5px; line-height: 2.1; color: var(--c-ink-soft); }
.legal h2 { font-family: var(--f-serif); font-size: 18px; color: var(--c-ink); margin: 40px 0 12px; letter-spacing: 0.06em; }
.legal h2:first-child { margin-top: 0; }
.legal h3 { font-family: var(--f-serif); font-size: 15.5px; color: var(--c-ink); margin: 26px 0 10px; letter-spacing: 0.04em; }
.legal p { margin-bottom: 16px; }
.legal ul { margin: 0 0 16px; padding-left: 1.2em; list-style: disc; }
.legal ol { margin: 0 0 16px; padding-left: 1.4em; list-style: decimal; }
.legal li { margin-bottom: 6px; }
.legal a { color: var(--c-gold); text-decoration: underline; }
.legal strong { color: var(--c-ink); font-weight: 600; }
.legal__meta { margin-top: 36px; font-size: 13px; color: var(--c-muted); }

/* お問い合わせフォーム -------------------------------------------------------- */
.contact__lead { font-size: 14.5px; line-height: 2.1; color: var(--c-ink-soft); margin-bottom: 44px; }
.contact__form { display: grid; gap: 24px; }
.contact__row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.contact__field { display: grid; gap: 8px; }
.contact__label { font-size: 13px; letter-spacing: 0.06em; color: var(--c-ink); }
.contact__label em {
    font-style: normal; font-size: 10.5px; letter-spacing: 0.1em; margin-left: 8px;
    padding: 2px 7px; border: 1px solid var(--c-gold); border-radius: 2px; color: var(--c-gold);
}
.contact__input {
    width: 100%; padding: 13px 15px; font: inherit; font-size: 14.5px; color: var(--c-ink);
    background: var(--c-bg-2); border: 1px solid var(--c-line-soft); border-radius: 3px;
    transition: border-color .25s;
}
.contact__input:focus { outline: none; border-color: var(--c-gold); }
.contact__input--area { resize: vertical; line-height: 1.9; }
.contact__note { font-size: 12.5px; line-height: 1.9; color: var(--c-muted); margin: 0; }
.contact__note a { color: var(--c-gold); text-decoration: underline; }
.contact__submit { margin-top: 8px; }
.contact__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.contact__notice { padding: 16px 20px; margin-bottom: 32px; font-size: 14px; border-radius: 3px; }
.contact__notice--ok { background: rgba(200,164,92,.12); border: 1px solid var(--c-gold); color: var(--c-ink); }
.contact__notice--err { background: rgba(190,80,70,.12); border: 1px solid #a85a50; color: #e8b5ae; }
@media (max-width: 640px) {
    .contact__row { grid-template-columns: 1fr; }
}
.page-shell { padding: 160px 0 100px; }

.prose--center { max-width: 640px; margin-inline: auto; text-align: center; }
.prose--center p { color: var(--c-ink-soft); }

/* About Meat: 基準 */
.standards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.standard { border: 1px solid var(--c-line); padding: 44px 30px; text-align: center; background: var(--c-bg-2); }
.standard__en { font-family: var(--f-en); font-size: 12px; letter-spacing: 0.24em; color: var(--c-gold); }
.standard__title { font-family: var(--f-serif); font-size: 22px; letter-spacing: 0.05em; margin: 12px 0 16px; }
.standard__text { font-size: 13px; color: var(--c-ink-soft); line-height: 2; margin: 0; }

/* Corporation */
.corp-table { width: 100%; border-collapse: collapse; }
.corp-table th, .corp-table td { text-align: left; padding: 20px 0; border-bottom: 1px solid var(--c-line-soft); font-size: 14px; vertical-align: top; }
.corp-table th { width: 30%; color: var(--c-gold); font-weight: 400; letter-spacing: 0.08em; }
.corp-table td { color: var(--c-ink-soft); }
.corp-note { margin-top: 40px; text-align: center; font-size: 13px; color: var(--c-ink-soft); line-height: 2; }
.corp-note a { color: var(--c-gold); border-bottom: 1px solid rgba(200,164,92,.4); }

/* Corporation: 事業内容カード */
.biz-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 44px; }
.biz-card { border: 1px solid var(--c-line); background: var(--c-bg-2); padding: 34px 30px; }
.biz-card__en { font-family: var(--f-en); font-size: 11px; letter-spacing: 0.2em; color: var(--c-gold); }
.biz-card__title { font-family: var(--f-serif); font-size: 19px; letter-spacing: 0.05em; margin: 10px 0 12px; }
.biz-card__text { font-size: 13px; color: var(--c-ink-soft); line-height: 1.95; margin: 0; }

/* Meat Keep: 7つのメリット */
.benefits { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; }
.benefit { border-top: 1px solid var(--c-gold); background: var(--c-bg-2); padding: 30px 26px; }
.benefit__no { font-family: var(--f-en); font-size: 13px; letter-spacing: 0.1em; color: var(--c-gold); }
.benefit__title { font-family: var(--f-serif); font-size: 18px; letter-spacing: 0.04em; margin: 10px 0 12px; line-height: 1.5; }
.benefit__text { font-size: 12.5px; color: var(--c-ink-soft); line-height: 1.95; margin: 0; }

/* Meat Keep: オーダーの流れ */
.flow { list-style: none; margin: 44px 0 0; padding: 0; }
.flow-step { display: flex; gap: 26px; align-items: baseline; padding: 30px 0; border-top: 1px solid var(--c-line-soft); }
.flow-step:last-child { border-bottom: 1px solid var(--c-line-soft); }
.flow-step__no {
    flex: 0 0 auto; width: 40px; height: 40px; border: 1px solid var(--c-gold); border-radius: 50%;
    display: grid; place-items: center; font-family: var(--f-en); font-size: 15px; color: var(--c-gold);
}
.flow-step__title { font-family: var(--f-serif); font-size: 18px; letter-spacing: 0.04em; margin: 6px 0 10px; }
.flow-step__text { font-size: 13px; color: var(--c-ink-soft); line-height: 1.95; margin: 0; }

/* About Meat: 格付け表 */
.grade-wrap { margin: 40px 0 20px; overflow-x: auto; }
.grade-table { width: 100%; border-collapse: collapse; text-align: center; min-width: 460px; }
.grade-table th, .grade-table td { border: 1px solid var(--c-line); padding: 14px 8px; font-family: var(--f-en); font-size: 14px; }
.grade-table thead th { color: var(--c-gold); font-weight: 400; }
.grade-table tbody th { color: var(--c-gold); font-weight: 400; }
.grade-table td { color: var(--c-ink-soft); }
.grade-table td.is-top { background: var(--c-gold); color: #17130d; font-weight: 700; }
.grade-detail { margin: 20px 0 0; }
.grade-detail__row { padding: 22px 0; border-bottom: 1px solid var(--c-line-soft); }
.grade-detail dt { font-family: var(--f-serif); font-size: 15px; color: var(--c-ink); margin-bottom: 8px; letter-spacing: 0.04em; }
.grade-detail dd { margin: 0; font-size: 13px; color: var(--c-ink-soft); line-height: 1.95; }
.grade-detail__en { display: inline-block; margin-left: 10px; font-family: var(--f-en); font-size: 11px; letter-spacing: 0.14em; color: var(--c-muted); }

/* 埋め込み動画（16:9） */
.video-embed { position: relative; width: 100%; aspect-ratio: 16 / 9; margin: 10px 0 44px; border: 1px solid var(--c-line); background: #000; overflow: hidden; }
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* 焼き方 */
.cook-heading { font-family: var(--f-serif); font-size: 18px; letter-spacing: 0.06em; color: var(--c-gold); text-align: center; margin: 48px 0 20px; }
.flow--compact .flow-step { padding: 16px 0; align-items: center; }
.flow--compact .flow-step__no { width: 34px; height: 34px; font-size: 13px; }

/* Concept: フィーチャーブロック */
.feature-block { border: 1px solid var(--c-line); background: var(--c-bg-2); padding: 52px clamp(28px, 5vw, 60px); text-align: center; }
.feature-block .title { margin-top: 12px; }
.feature-block .prose { max-width: 620px; margin-inline: auto; }
.feature-block .prose p { color: var(--c-ink-soft); }

/* ページ内 図版・2カラム */
.page-figure { margin: 56px 0 0; }
.page-figure img { width: 100%; display: block; }
.page-figure figcaption { margin-top: 14px; text-align: center; font-family: var(--f-en); font-size: 11px; letter-spacing: 0.22em; color: var(--c-muted); }
.page-figure--sm { max-width: 480px; margin-inline: auto; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.split--narrow { gap: 40px; }
.split__media img { width: 100%; display: block; aspect-ratio: 3/2; object-fit: cover; }
.split__media--portrait img { aspect-ratio: 3/4; }
.split__body .eyebrow { text-align: left; }
.split__body .title { text-align: left; }
.name-read { display: block; margin-top: 10px; font-size: 13px; letter-spacing: 0.12em; color: var(--c-ink-soft); }

/* News 一覧（アーカイブ） */
.news__list--archive .news-row__link { grid-template-columns: auto auto 1fr; }
.news-row__cat {
    font-family: var(--f-en); font-size: 11px; letter-spacing: 0.12em; color: var(--c-gold);
    border: 1px solid var(--c-line); padding: 3px 12px; white-space: nowrap;
}
.news-empty { color: var(--c-ink-soft); text-align: center; padding: 40px 0; }
.pager { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin-top: 48px; }
.pager__item .page-numbers {
    display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; padding: 0 12px;
    border: 1px solid var(--c-line); font-family: var(--f-en); font-size: 14px; color: var(--c-ink-soft); transition: all .25s;
}
.pager__item .page-numbers:hover { border-color: var(--c-gold); color: var(--c-gold); opacity: 1; }
.pager__item .page-numbers.current { background: var(--c-gold); border-color: var(--c-gold); color: #17130d; }

/* 個別記事 */
.article__title { margin-top: 6px; }
.article__body { font-size: 15px; line-height: 2.0; color: var(--c-ink-soft); }
.article__body p { margin: 0 0 1.4em; }
.article__body h2 { font-family: var(--f-serif); font-size: 20px; color: var(--c-ink); margin: 1.8em 0 0.7em; letter-spacing: 0.04em; }
.article__body h3 { font-family: var(--f-serif); font-size: 17px; color: var(--c-ink); margin: 1.6em 0 0.6em; }
.article__body a { color: var(--c-gold); border-bottom: 1px solid rgba(200,164,92,.4); }
.article__body ul, .article__body ol { margin: 0 0 1.4em 1.4em; }
.article__body li { margin-bottom: 0.5em; }
.article__body img { max-width: 100%; height: auto; margin: 1em 0; }
.article__body blockquote { border-left: 2px solid var(--c-gold); padding-left: 20px; margin: 1.4em 0; color: var(--c-muted); }
.article__foot { margin-top: 56px; padding-top: 28px; border-top: 1px solid var(--c-line-soft); }
.article__pages { margin-top: 24px; font-family: var(--f-en); letter-spacing: 0.1em; color: var(--c-ink-soft); }

@media (max-width: 860px) {
    .standards, .biz-grid, .benefits { grid-template-columns: 1fr; }
    .split { grid-template-columns: 1fr; gap: 28px; }
    .page-head { padding: 150px 0 60px; }
}

.site-nav__shop { display: none; }

/* Responsive -------------------------------------------------------------- */
@media (max-width: 860px) {
    :root { --section-y: 84px; }
    .pc-only { display: none; }
    .site-nav { display: none; }
    .site-header__actions { display: none; }            /* デスクトップ用ONLINE SHOPはモバイルヘッダーで非表示 */
    .lang-switch--header { display: none; }             /* 言語切替はモバイルではメニュー内に */
    .site-header__toggle { display: flex; position: relative; z-index: 62; }  /* ×ボタンをオーバーレイより前面へ */
    .site-footer__inner { grid-template-columns: 1fr; gap: 40px; }
    .site-footer__cols { grid-template-columns: repeat(2, 1fr); }

    /* ===== モバイルメニュー（全画面オーバーレイ） ===== */
    body.nav-open { overflow: hidden; }
    /* backdrop-filter は子のfixedを閉じ込めるため、開いている間は解除 */
    body.nav-open .site-header,
    body.nav-open .site-header.is-scrolled {
        background: transparent; border-color: transparent;
        backdrop-filter: none; -webkit-backdrop-filter: none;
    }
    body.nav-open .site-nav {
        display: flex; flex-direction: column; justify-content: center; align-items: center;
        position: fixed; inset: 0; z-index: 55;
        background: #100e0c; padding: 96px 32px 64px;
        overflow-y: auto;
    }
    body.nav-open .site-nav__list { flex-direction: column; align-items: center; gap: 26px; margin: 0; }
    body.nav-open .site-nav__item a {
        font-family: var(--f-serif); font-size: 24px; letter-spacing: 0.1em; color: var(--c-ink); padding: 0;
    }
    body.nav-open .site-nav__shop {
        display: inline-flex; align-items: center; margin-top: 40px;
        font-family: var(--f-en); font-size: 13px; letter-spacing: 0.16em; color: var(--c-gold);
        border: 1px solid var(--c-gold); padding: 14px 34px;
    }
    body.nav-open .lang-switch--menu { display: inline-flex; margin-top: 26px; }
    body.nav-open .lang-switch--menu .lang-switch__btn { font-size: 16px; }
    /* ハンバーガー → × */
    body.nav-open .site-header__toggle span:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
    body.nav-open .site-header__toggle span:nth-child(2) { opacity: 0; }
    body.nav-open .site-header__toggle span:nth-child(3) { transform: translateY(-3.5px) rotate(-45deg); }
}