/* ============================================================
   焼肉 八十八夜  -  スタイルシート
   テーマ：昭和レトロ × アットホーム × 最高級の肉
   配色：紙クリーム / 暖簾の赤 / 炭の黒 / 金
   ============================================================ */

:root{
  --cream:   #f6efe2;   /* 紙・背景 */
  --cream-2: #efe5d2;
  --cream-3: #fff8ea;
  --ink:     #211d18;   /* 炭・文字 */
  --red:     #b3271f;   /* 暖簾の赤（やや鮮やかに） */
  --red-dk:  #8c1c16;
  --gold:    #b58a2a;   /* 金（やや渋く） */
  --gold-lt: #e0b552;
  --line:    #d8c9af;
  --shadow:  rgba(33,29,24,.18);
  --serif: "Shippori Mincho", "Yu Mincho", serif;
  --sans:  "Noto Sans JP", sans-serif;
}

*{ margin:0; padding:0; box-sizing:border-box; }
html{ scroll-behavior:smooth; scroll-padding-top:64px; }
body{
  font-family:var(--sans);
  color:var(--ink);
  /* 薄い古紙テクスチャ（CSSのみ・控えめ） */
  background-color:var(--cream);
  background-image:
    radial-gradient(rgba(120,90,40,.05) 1px, transparent 1px),
    radial-gradient(rgba(120,90,40,.04) 1px, transparent 1px);
  background-size:7px 7px, 13px 13px;
  background-position:0 0, 3px 4px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ display:block; max-width:100%; height:auto; }
a{ color:inherit; text-decoration:none; }
em{ font-style:normal; }
a:focus-visible,
button:focus-visible,
input:focus-visible{
  outline:3px solid var(--gold-lt);
  outline-offset:4px;
}

.skip-link{
  position:fixed; left:16px; top:12px; z-index:1000;
  transform:translateY(-150%);
  background:var(--cream-3); color:var(--ink);
  border:2px solid var(--gold); border-radius:4px;
  padding:8px 14px; font-weight:700; box-shadow:0 8px 18px var(--shadow);
}
.skip-link:focus{ transform:translateY(0); }

/* ---------- 共通レイアウト ---------- */
.container{ width:min(1080px, 90%); margin-inline:auto; }
.section{ padding:84px 0; }
.section-dark{
  background:
    linear-gradient(90deg, rgba(181,138,42,.09) 1px, transparent 1px),
    linear-gradient(0deg, rgba(181,138,42,.06) 1px, transparent 1px),
    var(--ink);
  background-size:42px 42px;
  color:var(--cream);
}
.section-cream{ background:var(--cream-2); }

.sec-head{ text-align:center; margin-bottom:48px; }
.sec-en{
  display:block; font-family:var(--serif); letter-spacing:.35em;
  font-size:.78rem; color:var(--gold); margin-bottom:10px; padding-left:.35em;
}
.sec-title{
  font-family:var(--serif); font-weight:800; font-size:clamp(1.7rem,5vw,2.6rem);
  line-height:1.3; position:relative; display:inline-block;
}
.sec-title em{ color:var(--red); }
.sec-title.light{ color:var(--cream); }
.sec-title.light em{ color:var(--gold-lt); }
.sec-title::after{
  content:""; display:block; width:46px; height:3px; background:var(--gold);
  margin:14px auto 0; border-radius:2px;
}
.sec-desc{ margin-top:18px; font-size:.95rem; color:#5d5346; }
.sec-desc.light{ color:#cfc3ad; }
.tax-note{ font-size:.82rem; color:var(--gold-lt); }

/* ---------- ボタン ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.5em; justify-content:center;
  padding:14px 26px; border-radius:6px; font-weight:700; font-size:.98rem;
  transition:transform .15s ease, box-shadow .15s ease, background .2s; cursor:pointer;
  min-height:48px;
}
.btn-tel{ background:var(--red); color:#fff; border:2px solid var(--gold-lt); box-shadow:0 6px 16px rgba(140,28,22,.45); }
.btn-tel:hover{ transform:translateY(-2px); box-shadow:0 10px 22px rgba(140,28,22,.55); }
.btn-ghost{ border:2px solid var(--ink); color:var(--ink); }
.btn-ghost:hover{ background:var(--ink); color:var(--cream); }
.btn-ghost.light{ border-color:var(--cream); color:var(--cream); }
.btn-ghost.light:hover{ background:var(--cream); color:var(--ink); }
.btn-lg{ padding:18px 36px; font-size:1.15rem; }
.tel-ico{ font-size:1.1em; }

/* ============================================================
   ヘッダー
   ============================================================ */
.site-header{
  position:fixed; inset:0 0 auto 0; z-index:100; height:64px;
  background:
    repeating-linear-gradient(90deg, rgba(179,39,31,.18) 0 10px, transparent 10px 20px),
    var(--ink);
  border-bottom:3px double var(--gold);
}
.header-inner{
  width:min(1180px,94%); margin-inline:auto; height:100%;
  display:flex; align-items:center; gap:20px;
}
.brand{ display:flex; align-items:center; gap:10px; color:var(--cream); }
.brand-logo{ height:44px; width:auto; flex:none; }
.brand-name{ font-family:var(--serif); font-weight:700; font-size:1.05rem; letter-spacing:.05em; color:#fff; }
.brand-name em{ color:#fff; }
.gnav{ display:flex; gap:22px; margin-left:auto; }
.gnav a{ color:var(--cream); font-size:.9rem; font-weight:500; position:relative; padding:4px 0; }
.gnav a:hover{ color:var(--gold-lt); }
.gnav a::after{
  content:""; position:absolute; left:0; bottom:-2px; width:0; height:2px;
  background:var(--gold-lt); transition:width .2s;
}
.gnav a:hover::after{ width:100%; }
.header-tel{
  display:inline-flex; align-items:center; gap:.4em; color:#fff;
  background:var(--red); padding:9px 16px; border-radius:5px;
  border:1px solid var(--gold-lt);
  font-weight:700; font-size:.92rem; white-space:nowrap;
}
.header-tel:hover{ background:var(--red-dk); }

/* スマホ用 横スクロールナビ（PCでは非表示） */
.mobile-nav{ display:none; }

/* ============================================================
   ヒーロー
   ============================================================ */
.hero{ position:relative; min-height:100svh; display:grid; place-items:center; text-align:center; color:#fff; overflow:hidden; }
.hero-bg{
  position:absolute; inset:0; background-size:cover; background-position:center;
  transform:scale(1.05); animation:heroZoom 12s ease-out forwards;
}
@keyframes heroZoom{ to{ transform:scale(1.12); } }
.hero-overlay{
  position:absolute; inset:0;
  background:
    radial-gradient(circle at 50% 42%, rgba(179,39,31,.14), transparent 42%),
    linear-gradient(180deg, rgba(20,16,12,.56) 0%, rgba(20,16,12,.44) 40%, rgba(20,16,12,.82) 100%);
}
.hero-content{ position:relative; z-index:2; padding:90px 22px 60px; max-width:880px; }
.hero-sub{
  font-family:var(--serif); font-weight:700; letter-spacing:.15em;
  font-size:clamp(2.2rem,7vw,4rem); line-height:1.3;
  color:var(--gold-lt); margin-bottom:64px; padding-left:.15em;
  text-shadow:0 4px 24px rgba(0,0,0,.6);
}
.hero-copy{
  font-family:var(--serif); font-weight:800;
  font-size:clamp(2.2rem,6.8vw,3.7rem); line-height:1.3;
  text-shadow:0 4px 24px rgba(0,0,0,.5); letter-spacing:.02em;
}
.hero-lead{
  margin:26px auto 0; font-size:clamp(.95rem,2.6vw,1.1rem); line-height:2;
  text-shadow:0 2px 12px rgba(0,0,0,.6); max-width:34em;
}
.hero-cta{ margin-top:64px; display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }
.hero-scroll{
  position:absolute; bottom:18px; left:50%; transform:translateX(-50%); z-index:2;
  color:var(--cream); font-size:1.2rem; animation:bounce 1.8s infinite;
}
@keyframes bounce{ 0%,100%{ transform:translate(-50%,0);} 50%{ transform:translate(-50%,8px);} }

/* ============================================================
   こだわり
   ============================================================ */
.promise-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.promise-card{
  background:var(--cream-3); border-radius:8px; overflow:hidden; text-align:center;
  box-shadow:0 10px 28px var(--shadow); border:1px solid var(--line);
  transition:transform .2s, box-shadow .2s;
  position:relative;
}
.promise-card::before{
  content:"八十八夜";
  position:absolute; top:10px; right:10px; z-index:1;
  font-family:var(--serif); font-size:.7rem; letter-spacing:.12em;
  color:rgba(140,28,22,.72); background:rgba(255,248,234,.88);
  border:1px solid rgba(181,138,42,.55); border-radius:3px;
  padding:2px 7px;
}
.promise-card:hover{ transform:translateY(-6px); box-shadow:0 16px 36px var(--shadow); }
.promise-img{ aspect-ratio:4/3; overflow:hidden; }
.promise-img img{ width:100%; height:100%; object-fit:cover; transition:transform .4s; }
.promise-card:hover .promise-img img{ transform:scale(1.06); }
.promise-card h3{
  font-family:var(--serif); font-weight:700; font-size:1.3rem; line-height:1.4;
  margin:22px 0 12px; color:var(--red);
}
.promise-card p{ font-size:.92rem; color:#5d5346; padding:0 24px 28px; text-align:left; line-break:strict; word-break:auto-phrase; text-wrap:pretty; }

/* ============================================================
   店主紹介
   ============================================================ */
.owner{
  background:
    repeating-linear-gradient(45deg, transparent 0 18px, rgba(200,151,47,.04) 18px 19px),
    var(--cream);
  padding:80px 0;
}
.owner-inner{ display:grid; grid-template-columns:0.85fr 1.15fr; gap:50px; align-items:center; }
.owner-img{ width:100%; max-width:400px; }
.owner-img > img{
  width:100%; max-width:400px; height:auto; border-radius:8px; box-shadow:0 14px 34px var(--shadow);
  border:6px solid #fff;
}
.owner-text .sec-en{ text-align:left; }
.owner-text .sec-title{ text-align:left; font-size:clamp(1.4rem,4vw,2rem); line-height:1.5; }
.owner-text .sec-title::after{ margin-left:0; }
.owner-text p{ margin-top:22px; font-size:.97rem; color:#4d443a; }
.owner-sign{ font-family:var(--serif); color:var(--red); font-weight:700; text-align:right; }

/* ============================================================
   メニュー
   ============================================================ */
.menu-board{ max-width:760px; margin:0 auto 50px; text-align:center; }
.menu-board a{
  display:block; border:3px solid var(--gold); border-radius:8px; overflow:hidden;
  box-shadow:0 12px 30px rgba(0,0,0,.4); background:#fff;
}
.menu-board img{ width:100%; }
.menu-board-note{ margin-top:10px; font-size:.82rem; color:#bdb29c; }

/* 文字お品書きの折りたたみトグル（デスクトップでは非表示・常時展開） */
.menu-text-cb{ display:none; }
.menu-text-label{ display:none; }

.menu-lists{ display:grid; grid-template-columns:repeat(3,1fr); gap:30px 40px; background:var(--ink); }
.menu-cat{
  font-family:var(--serif); font-weight:700; font-size:1.2rem; color:var(--gold-lt);
  border-bottom:1px solid rgba(224,181,82,.4); padding-bottom:8px; margin-bottom:14px;
}
.menu-cat:not(:first-child){ margin-top:30px; }
.price-list{ list-style:none; }
.price-list li{
  display:flex; justify-content:space-between; align-items:baseline; gap:10px;
  padding:7px 0; border-bottom:1px dotted rgba(246,239,226,.18); font-size:.94rem;
}
.price-list li span:first-child{ min-width:0; }
.price-list li small{ color:#b9ad97; font-size:.78em; }
.price-list .price{ font-family:var(--serif); font-weight:600; color:#fff; white-space:nowrap; }
.price-list .price::before{ content:"￥"; font-size:.8em; color:var(--gold-lt); margin-right:1px; }
.price-list .price-na::before{ content:none; }
.menu-foot{ margin-top:18px; font-size:.8rem; color:#a99d87; line-height:1.7; }

/* ============================================================
   ギャラリー
   ============================================================ */
.gallery-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:12px;
  grid-auto-flow:dense;
}
.g-item{
  overflow:hidden; border-radius:8px; aspect-ratio:1/1;
  box-shadow:0 6px 16px var(--shadow);
  background:var(--cream-2);
}
.g-item.g-wide{ grid-column:span 2; aspect-ratio:2/1; }
.g-item.g-tall{ grid-row:span 2; aspect-ratio:1/2; }
.g-item img{ width:100%; height:100%; object-fit:cover; object-position:center; transition:transform .4s; }
.g-item img.img-right{ object-position:right center; }
.g-item:hover img{ transform:scale(1.08); }

/* ============================================================
   店舗情報
   ============================================================ */
.info-wrap{ max-width:680px; margin-inline:auto; }
.info-table{
  width:100%; border-collapse:collapse; background:var(--cream-3); border-radius:8px;
  overflow:hidden; box-shadow:0 10px 26px var(--shadow);
}
.info-table th, .info-table td{ padding:18px 20px; text-align:left; vertical-align:top; border-bottom:1px solid var(--line); }
.info-table tr:last-child th, .info-table tr:last-child td{ border-bottom:none; }
.info-table th{
  width:34%; background:var(--ink); color:var(--cream); font-family:var(--serif);
  font-weight:600; white-space:nowrap;
}
.info-table td{ font-size:.96rem; }
.info-table td a{ color:var(--red); font-weight:700; }
.info-table small{ color:#8a7f6e; font-size:.82rem; }

/* ============================================================
   アクセス
   ============================================================ */
.map-wrap{ border-radius:8px; overflow:hidden; box-shadow:0 12px 30px rgba(0,0,0,.4); border:3px solid var(--gold); }
.map-wrap iframe{ display:block; width:100%; height:420px; }
.access-cta{ text-align:center; margin-top:26px; }

/* ============================================================
   フッター
   ============================================================ */
.site-footer{ background:#16120e; color:var(--cream); padding:56px 0 90px; }
.footer-inner{ display:flex; flex-direction:column; align-items:center; gap:48px; text-align:center; }
.footer-cta{ text-align:center; }
.footer-cta-lead{ font-size:.95rem; color:#cfc3ad; margin-bottom:16px; }
.footer-insta{ display:block; margin-top:18px; color:var(--gold-lt); font-size:.92rem; }
.footer-brand{
  text-align:center; width:100%; padding-top:48px;
  border-top:1px solid rgba(200,151,47,.25);
}
.footer-brand-inner{
  display:inline-flex; flex-direction:column; align-items:stretch; gap:18px;
}
.footer-brand-row{
  display:inline-flex; align-items:center; justify-content:center; gap:20px;
}
.footer-logo{ height:96px; width:auto; flex:none; display:block; }
.footer-name{ font-family:var(--serif); font-size:clamp(1.75rem, 3.6vw, 2.15rem); font-weight:700; line-height:1.3; }
.footer-copy-text{
  color:var(--gold-lt); font-family:var(--serif);
  font-size:clamp(1.05rem, 2.4vw, 1.35rem);
  text-align:center; margin:0;
}
.footer-insta:hover{ text-decoration:underline; }
.copyright{ text-align:center; margin-top:46px; font-size:.78rem; color:#7d735f; }

/* ============================================================
   スマホ固定電話バー
   ============================================================ */
.fixed-call-bar{
  position:fixed; left:0; right:0; bottom:0; z-index:90;
  background:var(--red); color:#fff; text-align:center;
  padding:14px 16px calc(14px + env(safe-area-inset-bottom));
  font-weight:700; font-size:.98rem;
  box-shadow:0 -4px 16px rgba(0,0,0,.3); display:none;
}
.fixed-call-bar:active{ background:var(--red-dk); }

.sp-only{ display:none; }

/* ============================================================
   レスポンシブ
   ============================================================ */
@media (max-width:900px){
  html{ scroll-padding-top:112px; }
  .gnav{ display:none; }
  .header-tel{ margin-left:auto; }
  /* ヘッダー直下の横スクロールナビを表示 */
  .mobile-nav{
    display:flex; gap:4px; position:fixed; top:64px; left:0; right:0; z-index:99;
    background:rgba(28,24,20,.97); border-bottom:1px solid var(--gold);
    padding:7px 8px; overflow-x:visible;
    scrollbar-width:none;
  }
  .mobile-nav::-webkit-scrollbar{ display:none; }
  .mobile-nav a{
    flex:1 1 0; min-width:0; color:var(--cream); font-size:.68rem; line-height:1.25; font-weight:500;
    padding:6px 5px; border:1px solid rgba(224,181,82,.5); border-radius:4px;
    white-space:nowrap; text-align:center;
  }
  .mobile-nav a:active{ background:var(--red); border-color:var(--red); }
  .owner-inner{ grid-template-columns:1fr; gap:36px; }
  .owner-img{ width:min(100%, 420px); max-width:420px; margin-inline:auto; }
  .owner-img > img{ max-width:420px; }
  .owner-text .sec-en, .owner-text .sec-title{ text-align:center; }
  .owner-text .sec-title::after{ margin-inline:auto; }
  .menu-lists{ grid-template-columns:1fr 1fr; }
  .map-wrap iframe{ height:320px; }
}

@media (max-width:680px){
  .section{ padding:60px 0; }
  /* ヒーローの間延びを抑える */
  .hero-content{ padding:80px 20px 40px; }
  /* スマホ：暖簾と営業中提灯が収まるよう左寄りに表示 */
  .hero-bg{ background-position:54% center; }
  .hero-sub{ margin-bottom:28px; }
  .hero-lead{ margin-top:20px; }
  .hero-cta{ margin-top:32px; }
  .promise-grid{ grid-template-columns:1fr; gap:22px; max-width:420px; margin-inline:auto; }
  .promise-card p{ text-align:left; padding:0 22px 26px; }
  .menu-lists{ grid-template-columns:1fr; max-width:440px; margin-inline:auto; }
  /* スマホのみ：文字お品書きをトグルで折りたたみ */
  .menu-text-cb{
    display:block; position:absolute; width:1px; height:1px;
    overflow:hidden; clip:rect(0 0 0 0); clip-path:inset(50%);
    white-space:nowrap;
  }
  .menu-text-label{
    display:block; max-width:440px; margin:0 auto; cursor:pointer;
    text-align:center; padding:13px 16px; border:1px solid var(--gold);
    border-radius:6px; color:var(--gold-lt); font-weight:700; font-size:.95rem;
    background:rgba(224,181,82,.06); user-select:none;
  }
  .menu-text-cb:focus-visible + .menu-text-label{
    outline:3px solid var(--gold-lt); outline-offset:4px;
  }
  .menu-text-label::after{ content:"　＋"; color:var(--gold-lt); }
  .menu-text-cb:checked ~ .menu-text-label{ margin-bottom:24px; }
  .menu-text-cb:checked ~ .menu-text-label::after{ content:"　－"; }
  .menu-text-cb:not(:checked) ~ .menu-lists{ display:none; }
  .gallery-grid{ grid-template-columns:repeat(2,1fr); }
  .g-item.g-wide{ grid-column:span 2; }
  .g-item.g-tall{ grid-row:span 1; aspect-ratio:1/1; }
  .sp-only{ display:inline; }
  .fixed-call-bar{ display:block; }
  .site-footer{ padding-bottom:80px; }
  .footer-inner{ flex-direction:column; }
  /* 電話導線は下部固定バーに集約（ヘッダーの電話は隠す） */
  .header-tel{ display:none; }
  .brand-name{ font-size:.95rem; }
  .map-wrap iframe{ height:280px; }
  /* 店舗情報テーブルを縦積みに（ラベルは小さな赤文字に） */
  .info-table, .info-table tbody, .info-table tr, .info-table th, .info-table td{ display:block; width:100%; }
  .info-table th{
    background:none; color:var(--red); font-size:.82rem; letter-spacing:.04em;
    border-bottom:none; padding:14px 18px 2px;
  }
  .info-table td{ padding:0 18px 14px; }
  .info-table tr{ border-bottom:1px solid var(--line); }
  .info-table tr:last-child{ border-bottom:none; }
}

@media (max-width:380px){
  .hero-cta .btn{ width:100%; }
}

/* アクセシビリティ：アニメ控えめ設定 */
@media (prefers-reduced-motion:reduce){
  .hero-bg{ animation:none; transform:none; }
  .hero-scroll{ animation:none; }
  html{ scroll-behavior:auto; }
}
