/* ============ HEADER (トップと共通) ============ */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(26, 22, 17, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(196,160,82,0.28);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 0 40px; height: 88px; }
.brand { display: flex; align-items: center; gap: 16px; text-decoration: none; }
.brand .logo-mark {
  width: 54px; height: 54px; border-radius: 12px;
  border: 1.5px solid var(--gold); flex-shrink: 0;
  object-fit: cover; display: block;
  box-shadow: 0 3px 12px rgba(0,0,0,0.4);
}
.brand .logo-text .jp { font-family: var(--mincho); font-weight: 700; font-size: 21px; color: var(--washi); letter-spacing: 0.08em; line-height: 1.2; }
.brand .logo-text .en { font-family: var(--roman); font-style: italic; font-size: 12px; color: var(--gold); letter-spacing: 0.15em; }
.gnav { display: flex; gap: 30px; }
.gnav a { font-family: var(--mincho); font-weight: 600; font-size: 15px; color: var(--washi); text-decoration: none; letter-spacing: 0.06em; position: relative; padding: 8px 0; transition: color 0.2s; }
.gnav a .ro { display: block; font-family: var(--roman); font-style: italic; font-size: 9px; color: var(--gold); letter-spacing: 0.1em; text-align: center; opacity: 0.75; }
.gnav a:hover, .gnav a.current { color: var(--yellow); }
.gnav a::after { content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 1px; background: var(--yellow); transition: width 0.25s; }
.gnav a:hover::after, .gnav a.current::after { width: 100%; }
.header-right { display: flex; align-items: center; gap: 18px; }
.lang-pick { display: flex; align-items: center; gap: 7px; font-family: var(--gothic); font-size: 12px; font-weight: 500; color: var(--washi); border: 1px solid rgba(255,255,255,0.28); padding: 8px 12px; cursor: pointer; }
.lang-pick:hover { border-color: var(--gold); }
.header-tel { text-align: right; }
.header-tel .lbl { font-family: var(--roman); font-style: italic; font-size: 10px; color: var(--gold); letter-spacing: 0.1em; }
.header-tel .num { font-family: var(--mincho); font-weight: 700; font-size: 22px; color: var(--washi); letter-spacing: 0.02em; line-height: 1; }

/* ============ PAGE HERO ============ */
.page-hero { position: relative; height: 420px; background: var(--kuro); overflow: hidden; }
.page-hero > .slot-img { position: absolute; inset: 0; width: 100%; height: 100%; }
.page-hero .veil { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(17,14,11,0.55) 0%, rgba(17,14,11,0.35) 45%, rgba(17,14,11,0.72) 100%); z-index: 2; }
.page-hero .grain { position: absolute; inset: 0; z-index: 2; opacity: 0.5; mix-blend-mode: overlay; background-image: radial-gradient(rgba(255,255,255,0.18) 0.5px, transparent 0.5px); background-size: 4px 4px; }
.page-hero .ph-inner { position: relative; z-index: 3; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.page-hero .ph-en { font-family: var(--roman); font-style: italic; font-size: 17px; letter-spacing: 0.42em; color: var(--gold-bright); text-transform: uppercase; }
.page-hero .ph-jp { font-family: var(--mincho); font-weight: 800; font-size: 56px; color: var(--washi); letter-spacing: 0.12em; margin-top: 14px; text-shadow: 0 4px 30px rgba(0,0,0,0.5); }
.page-hero .ph-deco { width: 1px; height: 40px; background: linear-gradient(var(--gold-bright), transparent); margin-top: 24px; }

/* ============ BREADCRUMB ============ */
.crumb { background: var(--sumi); border-bottom: 1px solid rgba(196,160,82,0.2); }
.crumb-inner { padding: 16px 100px; font-family: var(--gothic); font-size: 12px; letter-spacing: 0.06em; color: rgba(247,241,228,0.55); }
.crumb-inner a { color: rgba(247,241,228,0.55); text-decoration: none; }
.crumb-inner a:hover { color: var(--gold-bright); }
.crumb-inner .sep { margin: 0 10px; color: var(--gold-deep); }
.crumb-inner .here { color: var(--gold-bright); }

/* ============ FESTIVAL HERO BANNER ============ */
.cpn-fest { background: var(--kuro); color: var(--washi); padding: 84px 100px; position: relative; overflow: hidden; }
.cpn-fest .asanoha { position: absolute; inset: 0; opacity: 0.06; background-image: radial-gradient(var(--gold) 1px, transparent 1.4px); background-size: 26px 26px; }
.cpn-fest .seigaiha { position: absolute; right: -90px; bottom: -90px; width: 340px; height: 340px; opacity: 0.1; border-radius: 50%; border: 46px solid var(--gold); }
.fest-inner { position: relative; display: grid; grid-template-columns: 1.25fr 1fr; gap: 60px; align-items: center; }
.fest-l .badge { display: inline-block; font-family: var(--mincho); font-weight: 700; font-size: 13px; letter-spacing: 0.14em; color: var(--kuro); background: var(--yellow); padding: 7px 16px; margin-bottom: 22px; }
.fest-l h2 { font-family: var(--mincho); font-weight: 800; font-size: 44px; line-height: 1.4; letter-spacing: 0.04em; margin: 0 0 8px; }
.fest-l h2 .shu { color: var(--gold-bright); }
.fest-l .sub { font-size: 15px; line-height: 2; color: rgba(247,241,228,0.8); margin: 18px 0 26px; letter-spacing: 0.03em; }
.fest-l .period { display: inline-flex; align-items: center; gap: 12px; font-family: var(--gothic); font-size: 13px; font-weight: 600; color: var(--gold-bright); border: 1px solid rgba(196,160,82,0.4); padding: 11px 18px; letter-spacing: 0.05em; }
.fest-r { position: relative; }
.fest-off { aspect-ratio: 1; border-radius: 50%; border: 2px solid var(--gold-deep); background: radial-gradient(circle at 35% 30%, #241d14, #14110c); display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; box-shadow: 0 30px 60px -30px rgba(0,0,0,0.8); }
.fest-off .up { font-family: var(--mincho); font-weight: 700; font-size: 17px; color: var(--washi); letter-spacing: 0.1em; }
.fest-off .big { font-family: var(--mincho); font-weight: 800; font-size: 96px; line-height: 0.95; color: var(--yellow); letter-spacing: -0.02em; }
.fest-off .big small { font-size: 40px; }
.fest-off .lo { font-family: var(--roman); font-style: italic; font-size: 14px; color: rgba(247,241,228,0.65); letter-spacing: 0.18em; margin-top: 6px; }

/* ============ COUPON TICKETS ============ */
.cpn-list { padding: 100px 100px; background: var(--washi); }
.ticket-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 8px; }
.ticket { position: relative; background: #fff; box-shadow: var(--shadow-card); display: grid; grid-template-columns: 200px 1fr; overflow: hidden; }
.ticket .stub { background: var(--sumi); color: var(--washi); padding: 30px 22px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; position: relative; }
.ticket .stub::after { content: ''; position: absolute; top: 0; right: -1px; bottom: 0; width: 2px; background-image: radial-gradient(circle, var(--washi) 1.4px, transparent 1.6px); background-size: 2px 13px; background-repeat: repeat-y; }
.ticket .stub .lo { font-family: var(--roman); font-style: italic; font-size: 12px; letter-spacing: 0.18em; color: var(--gold-bright); }
.ticket .stub .val { font-family: var(--mincho); font-weight: 800; font-size: 52px; line-height: 1; color: var(--washi); margin: 8px 0 4px; letter-spacing: -0.01em; }
.ticket .stub .val small { font-size: 22px; }
.ticket .stub .unit { font-family: var(--mincho); font-size: 13px; color: rgba(247,241,228,0.78); letter-spacing: 0.08em; }
.ticket .info { padding: 28px 32px 30px; }
.ticket .info .tag { margin-bottom: 12px; }
.ticket .info h3 { font-family: var(--mincho); font-weight: 800; font-size: 23px; color: var(--sumi); margin: 0 0 12px; letter-spacing: 0.03em; line-height: 1.45; }
.ticket .info p { font-size: 13px; line-height: 1.95; color: var(--ink-soft); margin: 0 0 16px; }
.ticket .info .terms { display: flex; flex-direction: column; gap: 5px; border-top: 1px dashed var(--line); padding-top: 14px; }
.ticket .info .terms .row { display: flex; gap: 10px; font-size: 12px; color: var(--ink-soft); }
.ticket .info .terms .row .k { color: var(--gold-deep); font-weight: 700; flex-shrink: 0; min-width: 56px; }
.ticket .perf-corner { position: absolute; width: 22px; height: 22px; border-radius: 50%; background: var(--washi); }
.ticket .pc-tl { top: -11px; left: 189px; }
.ticket .pc-bl { bottom: -11px; left: 189px; }

/* ============ STAMP CARD ============ */
.cpn-stamp { padding: 100px 100px; background: var(--sumi); color: var(--washi); position: relative; }
.cpn-stamp .sec-head h2 { color: var(--washi); }
.cpn-stamp .sec-head .lead { color: rgba(247,241,228,0.72); }
.stamp-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 12px; }
.stamp-step { border: 1px solid rgba(196,160,82,0.3); background: rgba(196,160,82,0.04); padding: 30px 24px; text-align: center; position: relative; }
.stamp-step .pd { font-family: var(--roman); font-style: italic; font-size: 12px; color: var(--gold); letter-spacing: 0.12em; }
.stamp-step .circ { width: 76px; height: 76px; border-radius: 50%; border: 2px dashed var(--gold-deep); display: flex; align-items: center; justify-content: center; margin: 16px auto 14px; font-family: var(--mincho); font-weight: 800; font-size: 27px; color: var(--gold-bright); }
.stamp-step .circ .pct { font-size: 27px; }
.stamp-step .circ .pct small { font-size: 14px; }
.stamp-step .lbl { font-family: var(--mincho); font-weight: 700; font-size: 15px; color: var(--washi); letter-spacing: 0.04em; }
.stamp-step .ds { font-size: 11.5px; color: rgba(247,241,228,0.6); margin-top: 6px; line-height: 1.7; }
.stamp-step .arr { position: absolute; right: -14px; top: 50%; transform: translateY(-50%); color: var(--gold-deep); font-size: 18px; z-index: 2; }
.stamp-final { margin-top: 28px; display: flex; align-items: center; gap: 24px; background: rgba(196,160,82,0.07); border: 1px solid rgba(196,160,82,0.34); padding: 26px 34px; }
.stamp-final .mark { font-family: var(--mincho); font-weight: 800; font-size: 15px; letter-spacing: 0.1em; color: var(--kuro); background: var(--gold-bright); padding: 8px 16px; flex-shrink: 0; }
.stamp-final p { font-size: 13.5px; line-height: 1.85; color: rgba(247,241,228,0.85); margin: 0; }
.stamp-final p strong { color: var(--gold-bright); font-weight: 700; }

/* ============ HOW TO USE ============ */
.cpn-how { padding: 100px 100px; background: var(--washi-2); }
.how-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 8px; }
.how-item { background: #fff; box-shadow: var(--shadow-card); padding: 36px 32px 38px; position: relative; }
.how-item .no { font-family: var(--roman); font-style: italic; font-size: 56px; color: rgba(196,160,82,0.4); line-height: 1; }
.how-item h4 { font-family: var(--mincho); font-weight: 800; font-size: 20px; color: var(--sumi); margin: 6px 0 12px; letter-spacing: 0.03em; }
.how-item p { font-size: 13.5px; line-height: 1.95; color: var(--ink-soft); margin: 0; }
.cpn-note { background: var(--kuro); color: rgba(247,241,228,0.72); padding: 34px 100px; font-size: 12.5px; line-height: 2; letter-spacing: 0.03em; }
.cpn-note .nt-ttl { font-family: var(--mincho); font-weight: 700; font-size: 14px; color: var(--gold-bright); letter-spacing: 0.06em; margin-bottom: 10px; }
.cpn-note ul { margin: 0; padding-left: 20px; }
.cpn-note li { margin-bottom: 5px; }

/* ============ RESERVE CTA ============ */
.reserve { background: var(--kuro); color: var(--washi); padding: 100px 100px; position: relative; overflow: hidden; text-align: center; }
.reserve .asanoha { position: absolute; inset: 0; opacity: 0.06; background-image: radial-gradient(var(--gold) 1px, transparent 1.4px); background-size: 26px 26px; }
.reserve-inner { position: relative; }
.reserve .eyebrow { color: var(--gold); display: block; margin-bottom: 14px; }
.reserve h2 { font-family: var(--mincho); font-weight: 800; font-size: 46px; margin: 0 0 12px; letter-spacing: 0.08em; }
.reserve .lead { font-size: 15px; color: rgba(247,241,228,0.75); margin-bottom: 44px; }
.reserve-cols { display: flex; justify-content: center; gap: 0; max-width: 880px; margin: 0 auto; }
.reserve-col { flex: 1; padding: 0 44px; }
.reserve-col + .reserve-col { border-left: 1px solid rgba(196,160,82,0.3); }
.reserve-col .ttl { font-family: var(--roman); font-style: italic; font-size: 14px; color: var(--gold); letter-spacing: 0.1em; margin-bottom: 16px; }
.reserve-col .tel { font-family: var(--mincho); font-weight: 800; font-size: 42px; color: var(--washi); letter-spacing: 0.02em; line-height: 1; }
.reserve-col .hours { font-size: 12px; color: rgba(247,241,228,0.6); margin-top: 12px; }
.reserve-col .external { font-size: 11px; color: rgba(247,241,228,0.5); margin-top: 14px; line-height: 1.7; }

/* ============ FOOTER (トップと共通) ============ */
.footer { background: var(--kuro); color: var(--washi); padding: 70px 100px 0; }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.12); }
.footer .f-brand .logo-text .jp { font-family: var(--mincho); font-weight: 700; font-size: 24px; color: var(--washi); letter-spacing: 0.08em; }
.footer .f-brand .logo-text .en { font-family: var(--roman); font-style: italic; font-size: 13px; color: var(--gold); letter-spacing: 0.15em; }
.footer .f-brand p { font-size: 13px; line-height: 2; color: rgba(247,241,228,0.7); margin: 20px 0 0; }
.footer .f-col h4 { font-family: var(--mincho); font-weight: 700; font-size: 15px; color: var(--gold-bright); margin: 0 0 16px; letter-spacing: 0.08em; }
.footer .f-col a { display: block; font-size: 13px; color: rgba(247,241,228,0.72); text-decoration: none; padding: 7px 0; letter-spacing: 0.04em; }
.footer .f-col a:hover { color: var(--gold-bright); }
.footer .sns { display: flex; gap: 10px; margin-top: 8px; }
.footer .sns a { width: 42px; height: 42px; border: 1px solid rgba(255,255,255,0.3); display: flex; align-items: center; justify-content: center; font-size: 15px; padding: 0; text-decoration: none; color: var(--washi); }
.footer .sns a:hover { border-color: var(--gold); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 24px 0; font-size: 11.5px; color: rgba(247,241,228,0.5); letter-spacing: 0.04em; }
.footer-bottom .links { display: flex; gap: 20px; }
.footer-bottom a { color: rgba(247,241,228,0.5); text-decoration: none; }

/* ============ FLOATING UI ============ */
.floating { position: fixed; right: 24px; bottom: 28px; z-index: 60; display: flex; flex-direction: column; gap: 12px; }
.float-btn { width: 70px; height: 70px; border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; cursor: pointer; text-decoration: none; box-shadow: var(--shadow-soft); transition: transform 0.2s; border: none; }
.float-btn:hover { transform: scale(1.08); }
.float-btn .ic { font-size: 22px; }
.float-btn .tx { font-family: var(--gothic); font-weight: 700; font-size: 10px; }
.float-insta { background: #fff; color: var(--sumi); border: 1px solid var(--line); }
.float-tel { background: var(--sumi); color: var(--gold-bright); }
.float-reserve { background: var(--shu); color: #fff; }
@media (max-width: 1480px) { .floating { right: 24px; } }

/* ============ MOBILE NAV ============ */
.nav-toggle { display: none; width: 46px; height: 46px; flex-direction: column; justify-content: center; align-items: center; gap: 5px; background: transparent; border: 1px solid rgba(196,160,82,0.45); cursor: pointer; padding: 0; }
.nav-toggle span { width: 22px; height: 2px; background: var(--gold-bright); transition: transform 0.25s ease, opacity 0.2s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.m-drawer { position: fixed; inset: 0; z-index: 100; background: rgba(20,16,11,0.98); display: flex; flex-direction: column; justify-content: center; padding: 80px 30px 40px; opacity: 0; pointer-events: none; transition: opacity 0.28s ease; }
.m-drawer.open { opacity: 1; pointer-events: auto; }
.m-drawer .m-close { position: absolute; top: 16px; right: 16px; width: 46px; height: 46px; background: transparent; border: none; color: var(--washi); font-size: 30px; line-height: 1; cursor: pointer; }
.m-drawer .m-brand { position: absolute; top: 22px; left: 24px; font-family: var(--mincho); font-weight: 700; font-size: 19px; color: var(--washi); letter-spacing: 0.08em; }
.m-nav { display: flex; flex-direction: column; }
.m-nav a { font-family: var(--mincho); font-weight: 600; font-size: 21px; color: var(--washi); text-decoration: none; padding: 17px 2px; border-bottom: 1px solid rgba(196,160,82,0.18); letter-spacing: 0.06em; display: flex; align-items: baseline; gap: 12px; }
.m-nav a .ro { font-family: var(--roman); font-style: italic; font-size: 11px; color: var(--gold); letter-spacing: 0.1em; }
.m-drawer-foot { margin-top: 30px; display: flex; flex-direction: column; gap: 14px; }
.m-drawer-foot .tel { font-family: var(--mincho); font-weight: 800; font-size: 27px; color: var(--gold-bright); text-decoration: none; text-align: center; letter-spacing: 0.02em; }
.m-drawer-foot .btn { justify-content: center; }

/* ============ RESPONSIVE (≤860px) ============ */
@media (max-width: 860px) {
  .site { width: 100%; }
  .header-inner { padding: 0 18px; height: 64px; }
  .brand { gap: 12px; }
  .brand .logo-mark { width: 42px; height: 42px; border-radius: 9px; }
  .brand .logo-text .jp { font-size: 17px; }
  .brand .logo-text .en { font-size: 8.5px; letter-spacing: 0.1em; }
  .gnav, .header-right { display: none; }
  .nav-toggle { display: flex; }
  .page-hero { height: 280px; }
  .page-hero .ph-jp { font-size: 34px; }
  .page-hero .ph-en { font-size: 13px; }
  .crumb-inner { padding: 13px 22px; }
  .lead-sec, .beef, .side, .space, .reserve { padding: 62px 22px; }
  .lead-inner { flex-direction: column; align-items: stretch; gap: 38px; }
  .lead-vert { gap: 18px; }
  .lead-vert .big { writing-mode: horizontal-tb; font-size: 28px; line-height: 1.4; }
  .lead-vert .big br { display: none; }
  .lead-vert .small { writing-mode: horizontal-tb; height: auto; font-size: 13.5px; line-height: 1.95; }
  .lead-body { max-width: none; }
  .lead-body h2 { font-size: 24px; }
  .lead-body h2 br { display: none; }
  .lead-photo { width: 100%; height: 360px; }
  .lead-stats { gap: 22px; flex-wrap: wrap; }
  .lead-stats .st .nu { font-size: 32px; }
  .sec-head h2 { font-size: 27px; }
  .beef-grid { grid-template-columns: 1fr; gap: 50px; }
  .beef-card .pic { height: 230px; }
  .beef-card .body { padding: 30px 26px 32px; }
  .beef-card h3 { font-size: 28px; }
  .beef-card .num { font-size: 62px; top: -32px; right: 22px; }
  .side-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .side-item .pic { height: 140px; }
  .space-gallery { grid-template-columns: 1fr 1fr; }
  .space-cell.big { grid-column: 1 / -1; height: 260px; }
  .space-cell.sm { height: 160px; }
  .space-feats { grid-template-columns: 1fr 1fr; gap: 14px; }
  /* coupon responsive */
  .cpn-fest, .cpn-list, .cpn-stamp, .cpn-how { padding: 58px 22px; }
  .fest-inner { grid-template-columns: 1fr; gap: 36px; }
  .fest-l h2 { font-size: 30px; }
  .fest-r { max-width: 260px; margin: 0 auto; }
  .fest-off .big { font-size: 72px; }
  .ticket-grid { grid-template-columns: 1fr; gap: 22px; }
  .ticket { grid-template-columns: 130px 1fr; }
  .ticket .stub .val { font-size: 38px; }
  .ticket .pc-tl, .ticket .pc-bl { left: 119px; }
  .ticket .info { padding: 22px 22px 24px; }
  .ticket .info h3 { font-size: 19px; }
  .stamp-flow { grid-template-columns: 1fr 1fr; gap: 16px; }
  .stamp-step .arr { display: none; }
  .stamp-final { flex-direction: column; align-items: flex-start; gap: 14px; padding: 22px; }
  .how-grid { grid-template-columns: 1fr; gap: 18px; }
  .cpn-note { padding: 28px 22px; }
  .reserve h2 { font-size: 30px; }
  .reserve-cols { flex-direction: column; }
  .reserve-col { padding: 26px 0; }
  .reserve-col + .reserve-col { border-left: none; border-top: 1px solid rgba(196,160,82,0.3); }
  .reserve-col .tel { font-size: 31px; }
  .footer { padding: 52px 22px 0; }
  .footer-top { grid-template-columns: 1fr; gap: 34px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .floating { right: 13px; bottom: 14px; gap: 10px; }
  .float-btn { width: 54px; height: 54px; }
  .float-btn .ic { font-size: 18px; }
  .float-btn .tx { font-size: 9px; }
}
@media (max-width: 420px) {
  .stamp-flow { grid-template-columns: 1fr; }
  .page-hero .ph-jp { font-size: 28px; }
}