.anniversary-page {
  width: 100%;
  overflow: hidden;
  line-height: 0;
}

.anniversary-picture,
.anniversary-picture img {
  display: block;
  width: 100%;
}

.anniversary-picture img {
  height: auto;
}

.anniversary-banner-link {
  display: block;
}

.anniversary-grid {
  display: grid;
  margin: 0;
  padding: 0;
  line-height: 0;
}

.anniversary-grid > *,
.gift-trigger {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.gift-trigger {
  cursor: pointer;
  position: relative;
}

.gift-trigger.has-gift-image-error.is-sold-out::after {
  align-items: center;
  background: rgba(255, 255, 255, .9);
  color: #4f79b9;
  content: '已贈完';
  display: flex;
  font-size: clamp(1.25rem, 2vw, 2rem);
  font-weight: 700;
  inset: 0;
  justify-content: center;
  letter-spacing: .08em;
  position: absolute;
  z-index: 2;
}

.gift-trigger:focus-visible,
.anniversary-banner-link:focus-visible,
.anniversary-grid a:focus-visible,
.surprise-card a:focus-visible,
.surprise-section h2 a:focus-visible {
  position: relative;
  z-index: 2;
  outline: 4px solid #4c87d6;
  outline-offset: -4px;
}

.gift-grid {
  grid-template-columns: 386fr 343fr 343fr 343fr 384fr;
}

.featured-grid {
  grid-template-columns: 692fr 423fr 687fr;
}

.pad-grid {
  grid-template-columns: 1fr 1fr;
}

.period-grid {
  grid-template-columns: 690fr 424fr 686fr;
}

.category-grid {
  grid-template-columns: 399fr 316fr 317fr 328fr 442fr;
}

.surprise-section {
  --surprise-card-width: clamp(190px, 58vw, 230px);
  --surprise-image-ratio: 160 / 187;

  padding: clamp(46px, 5vw, 82px) 0 clamp(52px, 5vw, 88px);
  background: #fff;
  line-height: 1.45;
}

.surprise-section h2 {
  margin: 0 0 clamp(30px, 3vw, 54px);
  color: #83ccb6;
  font-size: clamp(26px, 2.4vw, 44px);
  font-weight: 700;
  letter-spacing: .15em;
  text-align: center;
}

.surprise-section h2 a {
  color: inherit;
  text-decoration: none;
}

.surprise-track {
  display: flex;
  gap: 15px;
  overflow-x: auto;
  padding: 0 0 12px;
  scroll-padding-inline: 0;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: #c5e6f4 transparent;
}

.surprise-card {
  flex: 0 0 var(--surprise-card-width);
  scroll-snap-align: start;
  color: #747474;
  font-size: 16px;
  line-height: 1.6;
}

.surprise-art {
  display: block;
  color: #568bd8;
  text-decoration: none;
}

.surprise-images {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: var(--surprise-image-ratio);
}

.surprise-images img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
  transition: filter .35s ease;
}

.surprise-card.is-upcoming .surprise-images img {
  filter: grayscale(100%);
}

.surprise-card h3 {
  display: -webkit-box;
  height: 3em;
  margin: 0 0 .5rem;
  overflow: hidden;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
}

.surprise-price {
  display: flex;
  gap: .6em;
  align-items: baseline;
  margin: 0 0 .5rem;
  line-height: 1.6;
}

.surprise-price-new {
  font-weight: 600;
}

.surprise-price-old {
  color: #a8a8a8;
  font-size: 1em;
  text-decoration: line-through;
}

.surprise-cart {
  display: block;
  width: 100%;
  padding: 1px 6px;
  border: 0;
  border-top: 1px solid transparent;
  border-radius: 6px;
  background: #a3d9c6;
  color: #fff;
  font-size: 1rem;
  line-height: 38px;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

.surprise-cart:hover {
  background: #83ccb6;
  color: #fff;
}

.surprise-cart.is-disabled,
.surprise-cart:disabled {
  background: #969da1;
  cursor: not-allowed;
}

.anniversary-modal[hidden] {
  display: none;
}

.anniversary-modal {
  position: fixed;
  z-index: 1090;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 30px;
  overflow-y: auto;
  background: rgba(42, 53, 59, .42);
  line-height: 1;
}

.anniversary-modal-dialog {
  position: relative;
  width: min(540px, 80vw);
  margin: auto;
  background: #fff;
}

.anniversary-modal-dialog > img {
  display: block;
  width: 100%;
  height: auto;
  box-shadow: 0 18px 60px rgba(37, 51, 57, .16);
  opacity: 1;
  transition: opacity .16s ease;
}

.anniversary-modal-dialog.is-loading > img {
  opacity: 0;
}

.anniversary-modal-loading {
  position: absolute;
  z-index: 1;
  inset: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  justify-content: center;
  color: #747474;
  font-size: 15px;
  line-height: 1.4;
}

.anniversary-modal-loading[hidden] {
  display: none;
}

.anniversary-modal-spinner {
  width: 38px;
  height: 38px;
  border: 3px solid #dceff6;
  border-top-color: #83ccb6;
  border-radius: 50%;
  animation: anniversary-modal-spin .7s linear infinite;
}

.anniversary-modal-dialog.has-error .anniversary-modal-spinner {
  display: none;
}

@keyframes anniversary-modal-spin {
  to {
    transform: rotate(360deg);
  }
}

.anniversary-modal-close {
  position: absolute;
  z-index: 2;
  top: -23px;
  right: -23px;
  display: grid;
  width: 50px;
  height: 50px;
  padding: 0 0 6px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: rgba(116, 116, 116, .72);
  color: #fff;
  font: 700 48px/1 Arial, sans-serif;
  cursor: pointer;
}

body.anniversary-modal-open {
  overflow: hidden;
}

@media (min-width: 576px) {
  .surprise-section {
    --surprise-card-width: clamp(230px, 31.25vw, 240px);
  }
}

@media (min-width: 992px) {
  .surprise-section {
    --surprise-card-width: clamp(240px, 18.5vw, 280px);
  }
}

@media (max-width: 767.98px) {
  .anniversary-page {
    max-width: none;
    padding-inline: 0;
  }

  .gift-grid,
  .featured-grid,
  .period-grid,
  .pad-grid,
  .category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .gift-grid {
    grid-template-columns: 1fr;
  }

  .period-grid > .period-addition:last-child {
    grid-column: 1 / -1;
  }

  .category-grid {
    display: flex;
    flex-wrap: wrap;
  }

  /* Preserve the source-slice ratio (370 + 253 + 368px) to keep row one level. */
  .category-grid > :nth-child(1) {
    flex: 0 0 37.336024%;
  }

  .category-grid > :nth-child(2) {
    flex: 0 0 25.529768%;
  }

  .category-grid > :nth-child(3) {
    flex: 0 0 37.134208%;
  }

  .category-grid > :nth-child(4),
  .category-grid > :nth-child(5) {
    flex: 0 0 50%;
  }

  .surprise-section {
    padding: 40px 0 46px;
  }

  .surprise-section h2 {
    margin-bottom: 28px;
    font-size: clamp(20px, 5.3vw, 26px);
  }

  .surprise-track {
    gap: 15px;
    padding-inline: 12px;
    scroll-padding-inline: 12px;
  }

  .anniversary-modal {
    padding: 24px 18px;
  }

  .anniversary-modal-dialog {
    width: min(82vw, 480px);
  }

  .anniversary-modal-close {
    top: -18px;
    right: -18px;
    width: 42px;
    height: 42px;
    padding-bottom: 5px;
    font-size: 40px;
  }
}