:root{
  --bg: #0b0a09;
  --paper: #f5f1ea;
  --ink: #171312;
  --red: #8a1f1f;
  --brown: #3a241c;
  --gold: #c9a24d;
  --gold2:#d9bf78;
  --line: rgba(255,255,255,.12);
  --shadow: 0 18px 45px rgba(0,0,0,.45);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Shippori Mincho", serif;
  background: radial-gradient(1200px 600px at 20% 10%, rgba(138,31,31,.25), transparent 60%),
              radial-gradient(900px 500px at 80% 15%, rgba(201,162,77,.18), transparent 55%),
              linear-gradient(to bottom, var(--bg), #090808);
  color: var(--paper);
}

/* うっすら花札っぽいドット */
body::before{
  content:"";
  position:fixed; inset:0;
  background:
    radial-gradient(circle, rgba(255,255,255,.06) 1.2px, transparent 1.3px);
  background-size: 22px 22px;
  opacity:.18;
  pointer-events:none;
  mix-blend-mode: overlay;
}

a{color:inherit;text-decoration:none}
.container{max-width:1120px;margin:0 auto;padding:0 18px}

/* Header */
.header{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(10px);
  background: rgba(11,10,9,.66);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  height:74px;
  display:flex; align-items:center; justify-content:space-between;
  gap:14px;
}
.brand-sub{
  font-family:"Yuji Syuku", serif;
  color: var(--gold);
  letter-spacing:.12em;
  font-size:14px;
  opacity:.95;
}
.brand-name{
  font-family:"Yuji Syuku", serif;
  font-size:22px;
  letter-spacing:.06em;
}
.nav{display:flex; gap:18px; align-items:center}
.nav a{font-size:14px; opacity:.9}
.nav a:hover{opacity:1; color: var(--gold2)}

.nav-toggle{
  display:none;
  width:44px; height:44px;
  border:1px solid var(--line);
  background: transparent;
  border-radius:10px;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:20px; height:2px;
  background: var(--paper);
  margin:6px auto;
  border-radius:999px;
}

/* Hero */
.hero{
  position:relative;
  padding: 72px 0 48px;
  overflow:hidden;
}
.hero-bg{
  position:absolute; inset:-2px;
  background:
    linear-gradient(180deg, rgba(0,0,0,.72), rgba(0,0,0,.35)),
    url("../images/hero.jpg") center/cover no-repeat;
  opacity:.22; /* 写真が無い時でも暗めに保つ */
  filter: saturate(1.05) contrast(1.05);
}
.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 22px;
  align-items:center;
}
.hero-kicker{
  color: var(--gold2);
  letter-spacing:.12em;
  font-size:13px;
  opacity:.95;
}
.hero-title{
  font-family:"Yuji Syuku", serif;
  font-size: 42px;
  line-height:1.14;
  margin: 10px 0 12px;
}
.hero-lead{
  line-height: 1.9;
  opacity:.92;
}
.em{color: var(--gold2); font-weight:700}

.hero-actions{margin-top:18px; display:flex; gap:12px; flex-wrap:wrap}
.btn{
  display:inline-flex;
  align-items:center; justify-content:center;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight:700;
  letter-spacing:.04em;
  transition: transform .18s ease, box-shadow .18s ease, background .2s ease, border-color .2s ease;
  box-shadow: 0 10px 24px rgba(0,0,0,.35);
}
.btn:active{transform: translateY(1px)}
.btn-main{
  background: linear-gradient(135deg, var(--red), #5c1414);
  border-color: rgba(255,255,255,.12);
}
.btn-sub{
  background: rgba(255,255,255,.06);
  border-color: rgba(201,162,77,.35);
  color: var(--gold2);
}
.btn:hover{transform: translateY(-2px); box-shadow: var(--shadow)}
/* アニメ1：金箔きらり */
.shimmer{
  position:relative;
  overflow:hidden;
}
.shimmer::after{
  content:"";
  position:absolute;
  inset:-40%;
  background: linear-gradient(120deg, transparent 30%, rgba(217,191,120,.55), transparent 70%);
  transform: translateX(-140%) rotate(8deg);
  animation: shimmer 3.2s ease-in-out infinite;
  opacity:.55;
}
@keyframes shimmer{
  0%{transform: translateX(-140%) rotate(8deg)}
  55%{transform: translateX(140%) rotate(8deg)}
  100%{transform: translateX(140%) rotate(8deg)}
}

.hero-note{margin-top:18px; display:flex; gap:10px; flex-wrap:wrap}
.tag{
  font-size:12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(201,162,77,.35);
  background: rgba(0,0,0,.18);
  color: var(--gold2);
}

/* 花札カード */
.hero-card{
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.25);
  box-shadow: var(--shadow);
  padding: 14px;
}
.motif{
  width:100%;
  height:auto;
  display:block;
  border-radius: 14px;
  filter: saturate(1.05) contrast(1.05);
}

/* Sections */
.section{padding: 68px 0}
.section-ink{
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section-title{
  font-family:"Yuji Syuku", serif;
  font-size: 28px;
  letter-spacing:.06em;
  margin-bottom: 14px;
}
.section-title.gold{color: var(--gold2)}
.section-text{line-height: 1.95; opacity:.92}
.subtle{opacity:.75}

/* Menu */
.menu-grid{
  margin-top: 18px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.menu-card{
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.22);
  overflow:hidden;
  box-shadow: 0 12px 28px rgba(0,0,0,.35);
  transition: transform .18s ease, box-shadow .18s ease;
}
.menu-card:hover{transform: translateY(-3px); box-shadow: var(--shadow)}
.menu-photo{
  height: 180px;
  background:
    linear-gradient(180deg, rgba(0,0,0,.15), rgba(0,0,0,.55)),
    var(--img) center/cover no-repeat,
    radial-gradient(circle at 30% 20%, rgba(201,162,77,.18), transparent 55%),
    linear-gradient(135deg, rgba(138,31,31,.25), rgba(58,36,28,.25));
}
.menu-body{padding: 14px 14px 16px}
.menu-body h3{font-size:18px; margin-bottom:6px}
.menu-desc{font-size:13px; opacity:.82; line-height:1.7}
.menu-price{margin-top:10px; font-weight:800; color: var(--gold2); letter-spacing:.04em}

/* Tea Fuda */
.tea-wrap{
  margin-top: 16px;
  display:grid;
  grid-template-columns: 380px 1fr;
  gap: 18px;
  align-items:center;
}
.tea-fuda{
  position:relative;
  width:100%;
  height: 340px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.22);
  box-shadow: var(--shadow);
  overflow:hidden;
}
/* 月（うっすら） */
.tea-fuda::before{
  content:"🌙";
  position:absolute;
  right: 14px;
  bottom: 10px;
  font-size: 120px;
  opacity: .06;
  pointer-events:none;
}

/* アニメ2：札をめくる */
.flip-card{perspective: 1200px;}
.flip-inner{
  position:relative;
  width:100%; height:100%;
  transform-style: preserve-3d;
  transition: transform .85s ease;
}
.flip-card:hover .flip-inner{transform: rotateY(180deg);}
.flip-front, .flip-back{
  position:absolute; inset:0;
  backface-visibility: hidden;
  display:flex; flex-direction:column;
  justify-content:center; align-items:center;
  padding: 18px;
  text-align:center;
}
.flip-front{
  background:
    radial-gradient(circle at 20% 15%, rgba(201,162,77,.16), transparent 55%),
    linear-gradient(135deg, rgba(138,31,31,.22), rgba(0,0,0,.12));
}
.flip-back{
  transform: rotateY(180deg);
  background:
    radial-gradient(circle at 70% 20%, rgba(201,162,77,.14), transparent 55%),
    linear-gradient(135deg, rgba(58,36,28,.25), rgba(0,0,0,.12));
}
.fuda-mark{
  font-family:"Yuji Syuku", serif;
  color: var(--gold2);
  letter-spacing:.14em;
  font-size:14px;
  border: 1px solid rgba(201,162,77,.35);
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(0,0,0,.18);
}
.fuda-copy{
  font-family:"Yuji Syuku", serif;
  font-size: 24px;
  margin: 14px 0 8px;
}
.fuda-note{opacity:.82; font-size:12px; letter-spacing:.08em}
.fuda-text{line-height:1.95; opacity:.92}

/* Gallery */
.gallery-grid{
  margin-top: 18px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.gallery-item{
  height: 210px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.12);
  background:
    linear-gradient(180deg, rgba(0,0,0,.15), rgba(0,0,0,.55)),
    var(--img) center/cover no-repeat,
    radial-gradient(circle at 30% 20%, rgba(201,162,77,.18), transparent 55%),
    linear-gradient(135deg, rgba(138,31,31,.20), rgba(58,36,28,.22));
  display:flex; align-items:flex-end;
  padding: 12px;
  box-shadow: 0 12px 28px rgba(0,0,0,.35);
}
.gallery-item p{
  font-size: 12px;
  opacity: .85;
  background: rgba(0,0,0,.35);
  border: 1px solid rgba(255,255,255,.10);
  padding: 6px 10px;
  border-radius: 999px;
}

/* reveal（スクロールでふわっと出す） */
.reveal{
  opacity:0;
  transform: translateY(18px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.show{
  opacity:1;
  transform: translateY(0);
}

/* Footer */
.footer{
  border-top: 1px solid var(--line);
  padding: 22px 0;
}
.footer-text{opacity:.78; font-size:12px}

/* Responsive */
@media (max-width: 920px){
  .hero-inner{grid-template-columns: 1fr; gap: 16px}
  .hero-title{font-size: 36px}
  .tea-wrap{grid-template-columns: 1fr}
}

@media (max-width: 768px){
  .nav-toggle{display:block}
  .nav{
    position:absolute;
    right: 18px; top: 74px;
    background: rgba(11,10,9,.92);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 12px;
    display:none;
    flex-direction:column;
    gap: 10px;
    min-width: 200px;
  }
  .nav.open{display:flex}
  .menu-grid{grid-template-columns: 1fr}
  .gallery-grid{grid-template-columns: 1fr}
}

/* スマホ：タップで札をめくる用 */
.flip-card.is-flipped .flip-inner{transform: rotateY(180deg);}