/* ============================================================
   SATOMI — plan.css  プラン詳細ページ専用
   ============================================================ */

.plan-page { padding-top: 0; }

/* ---- ページヘッダー ---- */
.plan-header {
  padding: 7rem var(--side) 3.5rem;
  background: var(--ivory);
  border-bottom: 1px solid var(--sand);
  text-align: center;
}
.plan-header-en {
  font-family: 'Lato', sans-serif;
  font-size: .75rem;
  letter-spacing: .35em;
  text-transform: uppercase;
  color: var(--acc);
  margin-bottom: .5rem;
}
.plan-header-ja {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 300;
  color: var(--dark);
  margin-bottom: 1.5rem;
}
.plan-back {
  display: inline-block;
  font-family: 'Lato', sans-serif;
  font-size: .72rem;
  letter-spacing: .15em;
  color: var(--acc);
  border-bottom: 1px solid var(--acc);
  padding-bottom: 2px;
  transition: opacity .2s;
}
.plan-back:hover { opacity: .6; }

/* ---- セクション ---- */
.plan-sec { padding: clamp(4rem, 8vw, 7rem) 0; background: var(--cream); }
.plan-sec-alt { background: var(--ivory); }
.plan-sec-inner { display: flex; flex-direction: column; gap: 3rem; }

.plan-sec-head {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--sand);
}
.plan-no {
  font-family: 'Cormorant Garamond', serif;
  font-size: 4rem;
  font-weight: 300;
  color: var(--sand);
  line-height: 1;
  flex-shrink: 0;
}
.plan-sec-en {
  font-family: 'Lato', sans-serif;
  font-size: .72rem;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--acc);
  margin-bottom: .4rem;
}
.plan-sec-ttl {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 500;
  color: var(--dark);
  line-height: 1.3;
}

/* ---- メイン画像 ---- */
.plan-main-img {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  border-radius: 2px;
}
.plan-main-img img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  display: block;
}

/* ---- テキスト・詳細 ---- */
.plan-text { display: flex; flex-direction: column; gap: 2rem; }
.plan-text > p {
  font-size: clamp(.9rem, 1.5vw, 1.02rem);
  color: #6a6058;
  line-height: 2.1;
}

.plan-detail {
  border-top: 1px solid var(--sand);
  border-bottom: 1px solid var(--sand);
}
.plan-detail-row {
  display: flex;
  gap: 1.5rem;
  padding: .85rem 0;
  border-bottom: 1px solid var(--sand);
  font-size: .9rem;
}
.plan-detail-row:last-child { border-bottom: none; }
.plan-detail-label {
  font-family: 'Lato', sans-serif;
  font-size: .72rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--acc);
  min-width: 100px;
  padding-top: .1em;
}
.plan-detail-val { color: var(--dark); }

.plan-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'Lato', sans-serif;
  font-size: .8rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  padding: 1em 2.5em;
  background: var(--dark);
  color: #fff;
  border: 1px solid var(--dark);
  transition: background .3s, color .3s;
  align-self: flex-start;
}
.plan-cta-btn:hover { background: transparent; color: var(--dark); }

/* ---- スライダー ---- */
.slider-wrap { display: flex; flex-direction: column; gap: 1.25rem; }
.slider-ttl {
  font-family: 'Shippori Mincho', serif;
  font-size: 1rem;
  font-weight: 500;
  color: var(--dark);
  letter-spacing: .1em;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--sand);
}

.slider-outer {
  position: relative;
  display: flex;
  align-items: center;
  gap: .75rem;
}

.slider-track {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 4px;
  flex: 1;
  cursor: grab;
}
.slider-track:active { cursor: grabbing; }
.slider-track::-webkit-scrollbar { display: none; }

.slide {
  flex: 0 0 auto;
  width: calc((100% - 36px) / 4);
  aspect-ratio: 3/4;
  overflow: hidden;
  position: relative;
  scroll-snap-align: start;
  border-radius: 2px;
  cursor: pointer;
  transition: transform .3s;
}
.slide:hover { transform: scale(1.02); }
.slide img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
  transition: transform .5s ease;
}
.slide:hover img { transform: scale(1.06); }
.slide-num {
  position: absolute;
  bottom: .5rem; right: .6rem;
  font-family: 'Lato', sans-serif;
  font-size: .65rem;
  color: rgba(255,255,255,.8);
  letter-spacing: .05em;
}

.slider-arrow {
  flex-shrink: 0;
  width: 40px; height: 40px;
  background: #fff;
  border: 1px solid var(--sand);
  border-radius: 50%;
  font-size: 1.4rem;
  color: var(--dark);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s, box-shadow .2s;
  z-index: 1;
}
.slider-arrow:hover { background: var(--cream); box-shadow: 0 2px 8px rgba(0,0,0,.1); }

.slider-dots {
  display: flex;
  gap: .4rem;
  justify-content: center;
  flex-wrap: wrap;
}
.dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--sand);
  cursor: pointer;
  transition: background .2s, transform .2s;
}
.dot.active { background: var(--acc); transform: scale(1.3); }

/* ---- モーダル ---- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(10,8,6,.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}
.modal.open { opacity: 1; pointer-events: all; }
.modal-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 2px;
  display: block;
}
.modal-close {
  position: absolute;
  top: 1.25rem; right: 1.5rem;
  background: none; border: none;
  color: rgba(255,255,255,.8);
  font-size: 1.4rem;
  cursor: pointer;
  transition: color .2s, transform .2s;
  padding: .5rem;
}
.modal-close:hover { color: #fff; transform: scale(1.15); }
.modal-prev, .modal-next {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  background: none; border: none;
  color: rgba(255,255,255,.7);
  font-size: 3rem;
  cursor: pointer;
  padding: 1rem;
  transition: color .2s;
}
.modal-prev { left: 1rem; }
.modal-next { right: 1rem; }
.modal-prev:hover, .modal-next:hover { color: #fff; }
.modal-counter {
  position: absolute;
  bottom: 1.5rem; left: 50%;
  transform: translateX(-50%);
  font-family: 'Lato', sans-serif;
  font-size: .72rem;
  letter-spacing: .2em;
  color: rgba(255,255,255,.5);
}

/* ---- ページ下部CTA ---- */
.plan-cta-sec {
  background: var(--dark);
  padding: clamp(3rem, 6vw, 5rem) 0;
  text-align: center;
}
.plan-cta-inner { display: flex; flex-direction: column; align-items: center; gap: 1.25rem; }
.plan-cta-ttl {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  color: #fff;
}
.plan-cta-txt { font-size: .95rem; color: rgba(255,255,255,.75); line-height: 1.9; }
.plan-cta-btns { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }

.btn-dark { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); }
.btn-dark:hover { background: #fff; color: var(--dark); }


/* ---- 大きめスライダー（1枚＋次の半分） ---- */
.slider-track--lg .slide {
  /* PC: 1枚=トラック幅の約62%、残り38%で次の半分が見える */
  width: calc(62% - 6px);
}

@media (max-width: 768px) {
  .slider-track--lg .slide {
    /* SP: 1枚=トラック幅の約80%、次の半分が見える */
    width: calc(80% - 6px);
  }
}

@media (max-width: 480px) {
  .slider-track--lg .slide {
    width: calc(85% - 6px);
  }
}

/* ---- レスポンシブ ---- */
@media (max-width: 768px) {
  .slide { width: calc((100% - 24px) / 3); }
  .slider-arrow { display: none; }
}
@media (max-width: 480px) {
  .slide { width: calc((100% - 12px) / 2); }
  .plan-detail-label { min-width: 80px; }
}