/* ========================================
   Stay Page Styles
======================================== */

/* ========================================
   Intro
======================================== */
.stay-intro {
  padding: 80px 0 60px;
}

.stay-lead {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 2.2;
  max-width: 640px;
  margin-bottom: 40px;
}

.stay-info-bar {
  display: flex;
  gap: 0;
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  overflow: hidden;
  max-width: 480px;
}

.stay-info-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 16px;
  gap: 6px;
}

.stay-info-item + .stay-info-item {
  border-left: 1px solid var(--gray-300);
}

.stay-info-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-400);
}

.stay-info-value {
  font-size: 16px;
  font-weight: 500;
  color: var(--black);
  letter-spacing: 0.06em;
}

/* ========================================
   Section Title
======================================== */
.stay-section-title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 32px;
}

/* ========================================
   Room Types
======================================== */
.stay-rooms {
  padding: 80px 0;
  background: var(--gray-100);
}

/* Tabs */
.room-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 48px;
  border-bottom: 2px solid var(--gray-300);
}

.room-tab {
  padding: 14px 32px;
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--gray-500);
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
  transition: color 0.3s ease;
}

.room-tab::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--brand);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.room-tab:hover {
  color: var(--black);
}

.room-tab.active {
  color: var(--brand);
  font-weight: 700;
}

.room-tab.active::after {
  transform: scaleX(1);
}

/* Room Detail */
.room-detail {
  display: none;
  animation: roomFadeIn 0.5s ease;
}

.room-detail.active {
  display: block;
}

@keyframes roomFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ========================================
   Room Slider
======================================== */
.room-slider {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  overflow: hidden;
  background: var(--gray-200);
  margin-bottom: 40px;
}

.room-slider-track {
  position: relative;
  width: 100%;
  height: 100%;
}

.room-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.room-slide.active {
  opacity: 1;
}

.room-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.room-slide-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-200);
}

.room-slide-placeholder span {
  font-size: 14px;
  color: var(--gray-500);
  letter-spacing: 0.06em;
}

/* Slider buttons */
.room-slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.85);
  border: none;
  cursor: pointer;
  font-size: 24px;
  color: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s ease, transform 0.3s ease;
  z-index: 5;
  backdrop-filter: blur(4px);
}

.room-slider-btn:hover {
  background: rgba(255, 255, 255, 1);
  transform: translateY(-50%) scale(1.05);
}

.room-slider-btn.prev {
  left: 16px;
}

.room-slider-btn.next {
  right: 16px;
}

/* Slider dots */
.room-slider-dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 5;
}

.room-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.3s ease;
}

.room-dot.active {
  background: #fff;
  transform: scale(1.25);
}

.room-dot:hover {
  background: rgba(255, 255, 255, 0.8);
}

/* ========================================
   Room Info
======================================== */
.room-info {
  max-width: 640px;
}

.room-name {
  font-size: 26px;
  font-weight: 300;
  color: var(--black);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.room-description {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 2.2;
  margin-bottom: 32px;
}

/* Room specs */
.room-specs {
  display: flex;
  gap: 0;
  border-top: 1px solid var(--gray-300);
  border-bottom: 1px solid var(--gray-300);
  margin-bottom: 32px;
}

.room-spec {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 0;
}

.room-spec + .room-spec {
  padding-left: 24px;
  border-left: 1px solid var(--gray-300);
}

.room-spec-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-400);
}

.room-spec-value {
  font-size: 16px;
  font-weight: 500;
  color: var(--black);
  letter-spacing: 0.04em;
}

.room-spec-value.price {
  color: var(--brand);
  font-weight: 700;
  font-size: 18px;
}

.room-spec-value.price small {
  font-size: 11px;
  font-weight: 400;
  color: var(--gray-500);
}

/* Reserve button */
.room-reserve-btn {
  display: inline-block;
  padding: 16px 48px;
  background: var(--brand);
  color: #fff;
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.1em;
  border-radius: 60px;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.room-reserve-btn:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

/* ========================================
   Room Features (こだわりポイント)
======================================== */
.room-features {
  margin-top: 56px;
}

.room-features-title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 28px;
}

.room-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.room-feature-card {
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.room-feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.room-feature-img {
  width: 100%;
  aspect-ratio: 3 / 2;
  background: var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
}

.room-feature-img span {
  font-size: 13px;
  color: var(--gray-400);
  letter-spacing: 0.06em;
}

.room-feature-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.room-feature-text {
  padding: 20px;
}

.room-feature-text h5 {
  font-size: 14px;
  font-weight: 700;
  color: var(--black);
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.room-feature-text p {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.9;
}

/* ========================================
   Common Amenities (羅列)
======================================== */
.stay-amenities {
  padding: 80px 0;
}

.amenity-group {
  margin-bottom: 28px;
}

.amenity-group:last-child {
  margin-bottom: 0;
}

.amenity-group-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--gray-400);
  margin-bottom: 10px;
}

.amenity-inline {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 2;
  letter-spacing: 0.04em;
}

.amenity-link {
  color: var(--brand);
  font-weight: 500;
  transition: opacity 0.3s ease;
}

.amenity-link:hover {
  opacity: 0.6;
}

/* ========================================
   Responsive
======================================== */
@media (max-width: 1024px) {
  .room-features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (max-width: 820px) {
  .stay-intro {
    padding: 48px 0 40px;
  }

  .stay-info-bar {
    max-width: 100%;
  }

  .stay-info-item {
    padding: 16px 12px;
  }

  .stay-rooms {
    padding: 60px 0;
  }

  .room-tabs {
    margin-bottom: 32px;
  }

  .room-tab {
    padding: 12px 20px;
    font-size: 13px;
  }

  .room-slider {
    border-radius: 8px;
    margin-bottom: 28px;
  }

  .room-name {
    font-size: 22px;
  }

  .room-specs {
    flex-direction: column;
    gap: 0;
  }

  .room-spec + .room-spec {
    padding-left: 0;
    padding-top: 16px;
    border-left: none;
    border-top: 1px solid var(--gray-300);
  }

  .room-spec {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
  }

  .room-reserve-btn {
    display: block;
    text-align: center;
    width: 100%;
  }

  .room-features {
    margin-top: 40px;
  }

  .room-features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .stay-amenities {
    padding: 60px 0;
  }
}

@media (max-width: 480px) {
  .room-features-grid {
    grid-template-columns: 1fr;
  }

  .room-tab {
    padding: 10px 14px;
    font-size: 12px;
  }

  .room-slider-btn {
    width: 36px;
    height: 36px;
    font-size: 20px;
  }

  .room-slider-btn.prev {
    left: 8px;
  }

  .room-slider-btn.next {
    right: 8px;
  }
}