@charset "utf-8";

.feature-series-choice {
  background-color: #F2F2F2;
  display: none;
}
.feature-series-choice .feature-series-choice-title {
  padding: 25px 0;
  text-align: center;
  font-size: 22px;
  font-size: 2.2rem;
  font-weight: bold;
}
.feature-series-choice .thumb-column {
  padding: 0 17.5px;
}
.feature-series-choice .thumb-list {
  width: 25%;
  padding-left: 7.5px;
  padding-right: 7.5px;
}
.feature-series-choice .thumb-list .list-article {
  background-color: transparent;
}
.feature-series-choice .thumb-list .list-title {
  font-size: 15px;
  font-size: 1.5rem;
}

.feature-series main,
.feature-series .block {
  overflow: clip;
}
.feature-series main::before {
  content: "";
  height: .1px;
  display: block;
}
.feature-series-collection-nav {
  position: sticky;
  top: 119px;
  z-index: 100;
  background-color: #fff;
  margin: 0 calc(50% - 50vw);
  margin-bottom: 40px;
}
.feature-series-collection-nav.-isFixed {
  border-color: #000;
  border-style: solid;
  border-width: 1px 0;
}
.feature-series-collection-nav-list {
  justify-content: center;
}
.feature-series-collection-nav-item {
  border: 1px solid #000;
  border-left: none;
}
.feature-series-collection-nav-item:first-of-type {
  border-left: 1px solid #000;
}
.feature-series-collection-nav.-isFixed .feature-series-collection-nav-item {
  border-top: none;
  border-bottom: none;
}
.feature-series-collection-nav-link {
  display: block;
  padding: 15px 20px;
  font-size: 15px;
  font-size: 1.5rem;
  font-weight: bold;
  transition: opacity .3s;
}
.feature-series-collection-nav-link:is(:hover, :focus-visible) {
  opacity: .5;
}
.feature-series-collection-nav-link.current {
  pointer-events: none;
  background-color: #000;
  color: #fff;
}

.feature-series-collection {
  border-top: none;
  padding-top: 0;
  margin-top: 40px;
}
.feature-series-collection .thumb-column {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.feature-series-collection .thumb-list {
  width: 100%;
  display: grid;
  grid-row: span 2;
  grid-template-rows: subgrid;
}
.feature-series-collection .thumb-list .list-category {
  display: inherit;
  grid-row: inherit;
  grid-template-rows: inherit;
}
.feature-series-collection .thumb-list .category-link {
  display: flex;
  flex-direction: column;
}
.feature-series-collection .thumb-list .list-category-title {
  display: flex;
  flex: 1;
  align-items: center;
  line-height: 1.4;
  font-weight: 700;
  font-size: 20px;
  font-size: 2.0rem;
  transition: color .3s;
  overflow-wrap: break-word;
  margin:0 0 10px;
}
.feature-series-collection .thumb-list .list-article {
  border-top: 1px solid #000;
  padding-top: 10px;
}