/* ============ 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); }

/* ============ ARTICLE ============ */
.art { background: var(--washi); padding: 70px 100px 90px; }
.art-inner { max-width: 820px; margin: 0 auto; }
.art-head { text-align: center; margin-bottom: 38px; }
.art-head .meta { display: flex; align-items: center; justify-content: center; gap: 14px; margin-bottom: 20px; }
.art-head .meta .date { font-family: var(--roman); font-style: italic; font-size: 15px; color: var(--gold-deep); letter-spacing: 0.06em; }
.art-head h1 { font-family: var(--mincho); font-weight: 800; font-size: 36px; color: var(--sumi); margin: 0; letter-spacing: 0.03em; line-height: 1.55; text-wrap: pretty; }
.art-hero { position: relative; height: 440px; margin-bottom: 50px; }
.art-hero > .slot-img { position: absolute; inset: 0; width: 100%; height: 100%; }
.art-body { }
.art-body p { font-size: 15.5px; line-height: 2.15; color: var(--ink-soft); margin: 0 0 26px; letter-spacing: 0.02em; }
.art-body p .em { color: var(--shu); font-weight: 700; }
.art-body h2 { font-family: var(--mincho); font-weight: 800; font-size: 25px; color: var(--sumi); margin: 46px 0 20px; padding-left: 16px; border-left: 4px solid var(--gold-deep); letter-spacing: 0.03em; line-height: 1.5; }
.art-body h3 { font-family: var(--mincho); font-weight: 700; font-size: 19px; color: var(--sumi); margin: 34px 0 14px; letter-spacing: 0.03em; }
.art-body img, .art-body .art-fig { width: 100%; margin: 12px 0 32px; }
.art-fig { position: relative; height: 360px; }
.art-fig > .slot-img { position: absolute; inset: 0; width: 100%; height: 100%; }
.art-fig .cap { position: absolute; left: 0; bottom: -26px; font-size: 12px; color: var(--ink-faint); letter-spacing: 0.03em; }
.art-callout { background: var(--sumi); color: var(--washi); padding: 34px 38px; margin: 36px 0; position: relative; overflow: hidden; }
.art-callout .asanoha { position: absolute; inset: 0; opacity: 0.07; background-image: radial-gradient(var(--gold) 1px, transparent 1.4px); background-size: 24px 24px; }
.art-callout .ttl { position: relative; font-family: var(--mincho); font-weight: 800; font-size: 19px; color: var(--gold-bright); margin-bottom: 14px; letter-spacing: 0.04em; }
.art-callout ul { position: relative; margin: 0; padding-left: 20px; }
.art-callout li { font-size: 14.5px; line-height: 1.95; color: rgba(247,241,228,0.88); margin-bottom: 8px; }
.art-callout li strong { color: var(--gold-bright); }
.art-note { font-size: 12.5px; line-height: 1.9; color: var(--ink-faint); border-top: 1px dashed var(--line); padding-top: 20px; margin-top: 36px; }

/* tags / share / nav */
.art-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 40px; }
.art-share { display: flex; align-items: center; gap: 14px; margin-top: 32px; padding-top: 28px; border-top: 1px solid var(--line); }
.art-share .lb { font-family: var(--roman); font-style: italic; font-size: 13px; color: var(--ink-soft); letter-spacing: 0.08em; }
.art-share .icons { display: flex; gap: 10px; }
.art-share a { width: 44px; height: 44px; border: 1px solid var(--line); display: flex; align-items: center; justify-content: center; font-size: 16px; color: var(--sumi); text-decoration: none; transition: all 0.2s; }
.art-share a:hover { border-color: var(--gold-deep); color: var(--gold-deep); }
.art-pager { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 20px; max-width: 820px; margin: 0 auto; padding: 36px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.art-pager a { text-decoration: none; font-size: 13px; color: var(--ink-soft); letter-spacing: 0.04em; transition: color 0.2s; }
.art-pager a:hover { color: var(--gold-deep); }
.art-pager a.prev { text-align: left; }
.art-pager a.next { text-align: right; }
.art-pager a .k { display: block; font-family: var(--roman); font-style: italic; font-size: 11px; color: var(--gold-deep); margin-bottom: 5px; }
.art-pager .to-list { font-family: var(--mincho); font-weight: 700; font-size: 13px; color: var(--sumi); border: 1px solid var(--line); padding: 12px 22px; white-space: nowrap; }
.art-pager .to-list:hover { border-color: var(--gold-deep); }

/* related */
.art-related { background: var(--washi-2); padding: 84px 100px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 8px; }
.related-card { background: #fff; box-shadow: var(--shadow-card); text-decoration: none; display: block; }
.related-card .pic { height: 180px; position: relative; }
.related-card .pic > .slot-img { position: absolute; inset: 0; width: 100%; height: 100%; }
.related-card .body { padding: 20px 22px 24px; }
.related-card .date { font-family: var(--roman); font-style: italic; font-size: 12px; color: var(--gold-deep); letter-spacing: 0.05em; }
.related-card h4 { font-family: var(--mincho); font-weight: 700; font-size: 16px; color: var(--sumi); margin: 6px 0 0; letter-spacing: 0.02em; line-height: 1.6; }

/* ============ 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; }
  /* article responsive */
  .art { padding: 46px 22px 64px; }
  .art-head h1 { font-size: 25px; }
  .art-hero { height: 240px; margin-bottom: 36px; }
  .art-body p { font-size: 14.5px; }
  .art-body h2 { font-size: 21px; margin: 36px 0 16px; }
  .art-fig { height: 230px; }
  .art-callout { padding: 26px 24px; }
  .art-pager { grid-template-columns: 1fr; gap: 16px; text-align: center; }
  .art-pager a.prev, .art-pager a.next { text-align: center; }
  .art-pager .to-list { order: -1; justify-self: center; }
  .art-related { padding: 56px 22px; }
  .related-grid { grid-template-columns: 1fr; gap: 18px; }
  .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) {
  .side-grid { grid-template-columns: 1fr; }
  .page-hero .ph-jp { font-size: 28px; }
}