.bg-triangle {
  background: linear-gradient(104deg, #272f54 calc(50% - 700px), #272f54 25px, #a71836 25px), #a71836;
}
.swiper {
  --swiper-theme-color: #a71836;
  --swiper-pagination-bullet-inactive-color: #5f5e5e;
  --swiper-pagination-bullet-inactive-opacity: 1;
  user-select: none;
}
.swiper-slide {
  overflow: hidden;
}
.swiper-pagination {
  --swiper-pagination-bullet-horizontal-gap: 0.4rem;
  --swiper-pagination-bullet-width: 10px;
  --swiper-pagination-bullet-height: 10px;
}
.banner-prev.swiper-button-disabled,
.banner-next.swiper-button-disabled,
.event-prev.swiper-button-disabled,
.event-next.swiper-button-disabled {
  background: rgba(153,153,153,0.6);
  filter: contrast(70%);
}
.announcement-prev.swiper-button-disabled,
.announcement-next.swiper-button-disabled {
  opacity: 0.3;
}
.headline-prev.swiper-button-disabled,
.headline-next.swiper-button-disabled,
.video-prev.swiper-button-disabled,
.video-next.swiper-button-disabled {
  opacity: 0.5;
}
#banner.swiper {
  --swiper-pagination-bottom: 1.5rem;
  --swiper-pagination-color: #d7c9c8;
}
#announcement.swiper {
  --swiper-pagination-bottom: 0;
  --swiper-pagination-color: #d7c9c8;
}
#headline.swiper {
  --swiper-pagination-bottom: 0;
}
#headline.swiper .swiper-slide:after {
  content: '+';
  display: grid;
  place-items: end;
  width: 32px;
  height: 32px;
  margin: auto 0 0 auto;
  padding: 0 0.25rem 0.25rem 0;
  background: linear-gradient(135deg, transparent 50%, #a71836 0);
  color: #fff;
  font: 700 18px/1 sans-serif;
  line-height: 1;
}
#event {
  background: url("../images/index/event-bg.jpg") bottom/cover;
  background-attachment: fixed;
}
#event .swiper {
  --swiper-pagination-bullet-inactive-color: #d7c9c8;
}
#video {
  background: url("../images/index/video-bg.jpg") bottom/cover;
}