.l-content {
  margin: auto;
}

.l-plus .add-collection {
  width: 25px;
  height: 25px;
  background: url(/src/assets/img/common/icon-badge-off.png) no-repeat center;
  background-size: cover;
  z-index: 1;
}
.l-plus .add-collection.active {
  background: url(/src/assets/img/common/icon-badge-on.png) no-repeat center;
  background-size: cover;
}
.l-plus .add-collection.movie {
  position: absolute;
  bottom: 7px;
  right: 6px;
}
.l-plus .sidebar-plus__btn-addcart {
  margin: 20px auto 0;
}
@media screen and (min-width: 768px) {
  .l-plus .sidebar-plus__btn-addcart {
    max-width: 190px;
  }
}
.l-plus #related-books .c-block__headings h2::before,
.l-plus .related-news .c-block__headings h2::before,
.l-plus #related-news .c-block__headings h2::before {
  background-color: #19b3d6;
}

.viewer-base {
  z-index: 11;
}

.plus-archives,
#plus-archives {
  background-color: white;
}
@media screen and (max-width: 767px) {
  .plus-archives,
  #plus-archives {
    width: 100vw;
    margin-left: -15px;
  }
}
.plus-archives .l-content__block,
#plus-archives .l-content__block {
  padding: 20px 2px 0 2px;
}
.plus-archives .l-content__block .sidebar-plus__btn-addcart,
#plus-archives .l-content__block .sidebar-plus__btn-addcart {
  padding-bottom: 24px;
}
.plus-archives .c-block__headings .c-btn-detail,
#plus-archives .c-block__headings .c-btn-detail {
  margin-right: 3em;
}

.related-news,
#related-news {
  background-color: white;
}
.related-news .l-content__block,
#related-news .l-content__block {
  padding: 2px 2px 0 2px;
}
.related-news .parent-piano-related-news,
#related-news .parent-piano-related-news {
  padding: 20px 0 40px 0;
}