/* Landing button baseline, shared by the three public pages. */
.picktube-back-to-top {
  box-sizing: border-box;
  display: grid;
  place-items: center;
  padding: 0;
  appearance: none;
  font-family: "Noto Sans KR", "Apple SD Gothic Neo", Inter, Arial, sans-serif;
  font-size: 24px;
  font-weight: 400;
  line-height: 36px;
  letter-spacing: normal;
  text-align: center;
  text-decoration: none;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  cursor: pointer;
}

.picktube-back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 1200;
  width: 44px;
  height: 44px;
  margin: 0;
  color: #000;
  background: rgb(255 253 249 / 88%);
  border: 1px solid rgb(31 37 34 / 10%);
  border-radius: 4px;
  box-shadow: none;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity .2s, transform .2s, visibility .2s;
}
.picktube-back-to-top.is-visible {
  opacity: .82;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}
.picktube-back-to-top:hover,
.picktube-back-to-top:focus-visible {
  opacity: 1;
  background: rgb(255 253 249 / 88%);
  transform: translateY(0);
}
.picktube-back-to-top:focus-visible {
  outline: 2px solid #194f3b;
  outline-offset: 2px;
}
@media (width <= 560px) {
  /* Preserve the space formerly occupied by the in-flow footer arrow. */
  .page-detail-guide .site-footer,
  .page-usage .site-footer {
    padding-bottom: 114px;
  }
  .picktube-back-to-top {
    right: 16px;
    bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  }
}

@media (prefers-reduced-motion: reduce) {
  .picktube-back-to-top { transition: none; }
}