/*========================================
  Toppage
========================================*/
.toppage {
  padding-top: 0;
  padding-bottom: 0;
  margin-bottom: 0;
  overflow: hidden;
  height: 100vh;
}
.toppage .topsection, .toppage .overview {
  transition: all 1s ease;
}
.toppage.full .overview {
  opacity: 0;
}
.toppage.full .topsection {
  height: 100vh;
  transition: all 1s ease;
}
.toppage .overview {
  position: sticky;
  top: 0;
  left: 0;
  height: 55vh;
}
.toppage .overview-ttl {
  font-size: 1.953rem;
  display: -webkit-box;
  overflow: hidden;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.toppage .overview-txt {
  display: -webkit-box;
  overflow: hidden;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}
.toppage .overview-box {
  position: absolute;
  top: 7vh;
  left: 4px;
}
.toppage .topsection {
  width: 100%;
  height: 55vh;
  padding-bottom: 10vh;
  position: sticky;
  left: 0;
  bottom: 0;
  overflow: auto;
  scroll-snap-type: y mandatory;
}
.toppage .itemslider-ttl {
  padding-left: 10px;
}
.toppage .itemslider-head {
  display: flex;
  align-items: center;
}
.toppage .itemslider-btn {
  margin-left: 1em;
}
.toppage .itemslider-btn a {
  display: block;
  font-size: 90%;
  line-height: 1em;
  padding: 0.3em 1em;
  border-radius: 2em;
}
.toppage .itemslider-btn a:after {
  content: "";
  display: inline-block;
  width: 0.6em;
  height: 0.6em;
  border-top: 2px solid;
  border-right: 2px solid;
  transform: rotate(45deg);
  margin-left: 0.3em;
}
.toppage-wrapper {
  padding: 5px;
}
.toppage .itemcard {
  padding: 4px;
  margin: 0 2px;
}
.toppage .itemcard a {
  padding-bottom: 0;
}
.toppage .itemcard:focus a {
  background: none;
}
.toppage .itemcard:focus:before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  border-style: solid;
  border-width: 2px;
  pointer-events: none;
}