/* ================================================================
   ALACARTE BOOK — 「アラカルト」ボタン ＆ フルスクリーン・ページめくりモーダル
   全ページ共通（ブランドTOP／各店舗ページ）。各ページの --c-black 等の
   デザイントークンを継承し、無ければ既定値にフォールバックする。
================================================================ */

/* ---------------------------------------------------------------
   ボタンセクション（コースのご案内・直下）
--------------------------------------------------------------- */
.ab-section {
  --ab-black:   var(--c-black, #111111);
  --ab-white:   var(--c-white, #f4efe6);
  --ab-gold:    var(--c-gold, var(--c-ochre, #c8a84b));
  --ab-gold-l:  var(--c-gold-l, var(--c-ochre-l, #d8bb6f));
  --ab-jp:      var(--f-jp, 'Noto Serif JP', '游明朝', 'Yu Mincho', serif);
  --ab-en:      var(--f-en, 'EB Garamond', Georgia, serif);
  padding: 0 var(--mx, 6vw) clamp(3rem, 6vw, 5rem);
  display: flex;
  justify-content: center;
}

.ab-cta-wrap {
  width: 100%;
  max-width: var(--col-max, 1000px);
  display: flex;
  justify-content: center;
  padding-top: clamp(1.5rem, 3vw, 2.5rem);
  border-top: 1px solid rgba(200, 168, 75, 0.18);
}

.btn-alacarte-new {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 240px;
  padding: 1.05rem 3.2rem;
  background: var(--ab-black);
  border: 1.5px solid var(--ab-gold);
  color: var(--ab-white);
  font-family: var(--ab-jp);
  font-weight: 700;
  font-size: var(--t-xs, 0.9rem);
  letter-spacing: 0.42em;
  cursor: pointer;
  transition: color .45s cubic-bezier(.25,.1,.25,1),
              box-shadow .45s cubic-bezier(.25,.1,.25,1),
              transform .3s cubic-bezier(.25,.1,.25,1);
}
.btn-alacarte-new::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--ab-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .45s cubic-bezier(.25,.1,.25,1);
  z-index: 0;
}
.btn-alacarte-new span {
  position: relative;
  z-index: 1;
}
.btn-alacarte-new:hover,
.btn-alacarte-new:focus-visible {
  color: var(--ab-black);
  box-shadow: 0 4px 26px rgba(200,168,75,0.28);
  transform: translateY(-1px);
}
.btn-alacarte-new:hover::before,
.btn-alacarte-new:focus-visible::before { transform: scaleX(1); }

/* ---------------------------------------------------------------
   フルスクリーンモーダル
--------------------------------------------------------------- */
.ab-modal-overlay {
  --ab-black:   var(--c-black, #111111);
  --ab-white:   var(--c-white, #f4efe6);
  --ab-gold:    var(--c-gold, var(--c-ochre, #c8a84b));
  --ab-gold-l:  var(--c-gold-l, var(--c-ochre-l, #d8bb6f));
  --ab-jp:      var(--f-jp, 'Noto Serif JP', '游明朝', 'Yu Mincho', serif);
  --ab-en:      var(--f-en, 'EB Garamond', Georgia, serif);

  position: fixed;
  inset: 0;
  z-index: 9500;
  background: rgba(17, 17, 17, 0.88);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .35s ease;
  display: flex;
  flex-direction: column;
}
.ab-modal-overlay.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.ab-close {
  position: absolute;
  top: clamp(1rem, 3vw, 2rem);
  right: clamp(1rem, 3vw, 2rem);
  z-index: 20;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: 1px solid rgba(240, 236, 226, 0.35);
  color: var(--ab-white);
  padding: 0.55rem 1.1rem;
  font-family: var(--ab-en);
  font-style: italic;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  cursor: pointer;
  transition: border-color .3s, color .3s;
}
.ab-close svg {
  width: 14px; height: 14px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.6;
}
.ab-close:hover,
.ab-close:focus-visible {
  border-color: var(--ab-gold);
  color: var(--ab-gold-l);
}

.ab-stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(0.8rem, 3vw, 2.5rem);
  padding: clamp(3.5rem, 8vw, 5rem) clamp(1rem, 4vw, 3rem) clamp(1rem, 3vw, 2rem);
  min-height: 0;
  overflow: hidden;
}

.ab-arrow {
  flex: none;
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(240, 236, 226, 0.3);
  background: rgba(255,255,255,0.02);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: border-color .3s, background .3s;
}
.ab-arrow svg {
  width: 16px; height: 16px;
  stroke: var(--ab-white);
  fill: none;
  stroke-width: 1.6;
}
.ab-arrow:hover,
.ab-arrow:focus-visible {
  border-color: var(--ab-gold);
  background: rgba(200,168,75,0.08);
}
@media (max-width: 720px) {
  .ab-arrow { display: none; }
}

.ab-book-scale {
  position: relative;
  flex: none;
  width: min(88vw, 900px);
  height: min(78vh, 1024px);
  max-width: 100%;
  max-height: 100%;
  touch-action: none;
  transform-origin: center center;
  transition: transform .25s ease-out;
  will-change: transform;
}
.ab-book-scale.dragging { transition: none; }
@media (max-width: 720px) {
  .ab-book-scale { width: min(90vw, 460px); height: min(74vh, 900px); }
}

.ab-book {
  width: 100% !important;
  height: 100% !important;
  filter: drop-shadow(0 25px 55px rgba(0,0,0,0.55));
  position: relative;
}
.ab-book .stf__parentItem {
  box-shadow: 0 0 40px rgba(0,0,0,0.4);
}
.ab-book .page {
  background: #1c1c1a;
  overflow: hidden;
}
.ab-book .page img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  -webkit-user-drag: none;
  user-select: none;
  pointer-events: none;
}

.ab-footer {
  flex: none;
  display: flex;
  justify-content: center;
  padding: 0 0 clamp(1.2rem, 3vw, 2rem);
}
.ab-counter {
  font-family: var(--ab-en);
  font-style: italic;
  letter-spacing: 0.2em;
  font-size: 0.85rem;
  color: rgba(240,236,226,0.55);
}
@media (min-width: 721px) {
  .ab-footer { display: none; }
}

.ab-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(240,236,226,0.4);
  font-family: var(--ab-en);
  font-style: italic;
  letter-spacing: 0.2em;
  font-size: 0.85rem;
  pointer-events: none;
  transition: opacity .3s ease;
}
.ab-loading.hidden { opacity: 0; }

body.ab-scroll-lock {
  overflow: hidden;
}