.c-event-concert {
  margin-top: 100px;
}

.c-event-concert.lazyloaded {
  background: url("/art-college/music/assets/img/pages/pc/event/concert/bg.png") no-repeat;
  background-size: 929px 925px;
  background-position: -300px -170px;
}

.c-event-concert .c-feature-present__header {
  position: relative;
}

.c-event-concert__header-image-title {
  margin: 0 auto;
}

.c-event-concert .c-common__header-desc {
  max-width: 960px;
  font-size: 16px;
  margin: 0 auto;
  margin-top: 30px;
}

.c-event-concert.lazyloaded .c-common__header-desc::after {
  content: "";
  position: absolute;
  right: -150px;
  bottom: 10px;
  width: 209px;
  height: 291px;
  background: url("/art-college/music/assets/img/pages/pc/event/concert/01.png") no-repeat;
  background-size: 209px 291px;
}

@media screen and (max-width: 1280px) {
  .c-event-concert.lazyloaded .c-common__header-desc::after {
    right: -6vw;
  }
}