.tectonic-next-page {
  position: fixed;
  inset: 0;
  z-index: 12000;
  overflow: hidden;
  visibility: hidden;
  background: #000;
  color: #f2f2ef;
  opacity: 0;
  pointer-events: none;
  transition: none;
  will-change: opacity;
}

.tectonic-next-page.is-active {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}

.tectonic-next-page__content {
  position: absolute;
  inset: 0;
  background: #000;
  opacity: 0;
  transform: translate3d(0, 10px, 0);
  transition:
    opacity 360ms cubic-bezier(0.4, 0, 0.2, 1),
    transform 360ms cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity, transform;
  isolation: isolate;
}

.tectonic-next-page.is-active .tectonic-next-page__content {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.tectonic-next-page__return {
  position: absolute;
  top: clamp(28px, 3vw, 54px);
  left: clamp(28px, 3.4vw, 66px);
  z-index: 1;
  display: grid;
  grid-template-columns: clamp(25px, 1.7vw, 34px) auto;
  align-items: center;
  gap: clamp(12px, 0.9vw, 18px);
  min-width: 0;
  margin: 0;
  padding: 8px 10px 8px 0;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
  opacity: 0;
  transform: translate3d(-18px, 0, 0);
  transition:
    opacity 420ms cubic-bezier(0.4, 0, 0.2, 1) 90ms,
    transform 420ms cubic-bezier(0.4, 0, 0.2, 1) 90ms;
  will-change: opacity, transform;
}

.tectonic-next-page.is-active .tectonic-next-page__return {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.tectonic-next-page__return-marker {
  position: relative;
  display: block;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform-origin: right center;
  transition: transform 280ms cubic-bezier(0.4, 0, 0.2, 1);
}

.tectonic-next-page__return-marker::before,
.tectonic-next-page__return-marker::after {
  content: "";
  position: absolute;
  left: 0;
  width: 7px;
  height: 1px;
  background: currentColor;
  transform-origin: left center;
}

.tectonic-next-page__return-marker::before {
  transform: rotate(42deg);
}

.tectonic-next-page__return-marker::after {
  transform: rotate(-42deg);
}

.tectonic-next-page__return-copy {
  display: grid;
  gap: 3px;
}

.tectonic-next-page__return-copy strong {
  font-family: "Microsoft JhengHei UI", "Microsoft YaHei UI", sans-serif;
  font-size: clamp(12px, 0.8vw, 15px);
  font-weight: 500;
  letter-spacing: 0.22em;
  line-height: 1;
}

.tectonic-next-page__return-copy small {
  color: rgba(242, 242, 239, 0.48);
  font-family: var(--tectonic-ui-small-en, "Bahnschrift", "Arial", sans-serif);
  font-size: clamp(6px, 0.42vw, 8px);
  font-weight: 500;
  letter-spacing: 0.14em;
  line-height: 1;
}

.tectonic-next-page__return:hover .tectonic-next-page__return-marker,
.tectonic-next-page__return:focus-visible .tectonic-next-page__return-marker {
  transform: scaleX(0.78);
}

.tectonic-next-page__return:focus-visible {
  outline: 1px solid rgba(242, 242, 239, 0.42);
  outline-offset: 5px;
}

.tectonic-next-page.is-active.is-leaving .tectonic-next-page__content {
  opacity: 0;
  transform: translate3d(0, 0, 0);
}


.tectonic-next-page.is-leaving .tectonic-next-page__return {
  opacity: 0;
  transform: translate3d(-12px, 0, 0);
  transition-delay: 0ms;
}

.tectonic-next-page.is-revealing-main {
  opacity: 0;
  pointer-events: none;
  transition: opacity 560ms cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-reduced-motion: reduce) {
  .tectonic-next-page,
  .tectonic-next-page__content,
  .tectonic-next-page__return,
  .tectonic-next-page__return-marker {
    transition-duration: 1ms !important;
    transition-delay: 0ms !important;
  }
}