#main-container {
    color: white;
  background-color: #3e4551;
}

.carousel-caption2::before {
  content: "";
  display: block;
  width: 100%;
  height: 110%;
  background: linear-gradient(0deg, rgba(0, 0, 0, .75) 0%, rgba(0, 0, 0, 0) 60%);
  position: absolute;
  left: 0;
  top: 0;
}

.carousel-caption2 {
  color: #fff;
  font-weight: 700;
  width: 100%;
  height: 100%;
  position: absolute;
  bottom: 5%;
  text-align: center;
}

/* get_started.html メニュー下のリンクを白文字に */
.menu-links a {
  color: #fff !important;
}