body {
  font-family: "Rounded Mplus 1c"; 
  }

.carousel {
  margin-bottom: 4rem;
}
.carousel-caption {
  z-index: 10;
}
.carousel-item {
  background-color: #FFFFFF;
  overflow: hidden;
    /* height: 20rem;/* トリミングしたい枠の高さ */
  position: relative;
}
.carousel-item img {
  /* position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);*/
  width: 100%;
  height: auto;
}
.carousel .item>img {
    position: absolute;
    top: 0;
    left: 0;
    max-width: 100%;
    height: auto;
}
.carousel-inner > .item > img {
    position: absolute;
    top: 0;
    left: 0;
    min-width: 100%;
    height: 100%;
}
.carousel-indicators {
  top: 1.5rem;
  right: 1.5rem;
  bottom: auto;
  left: auto;
  width: 1rem;
  margin-left: 0;
}
.carousel-indicators > li {
  margin-bottom: .25rem;
}

.youtube iframe{
  width: 100%;
}