.sect {
  -webkit-user-select: none;
     -moz-user-select: none;
          user-select: none;
  position: relative;
  width: 100%;
  min-width: 1920px;
  height: 100vh;
  background-color: #FBFBFB;
}
.sect .inner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 1280px;
  height: 100%;
}

.sect1 {
  overflow: hidden;
}
.sect1 video {
  -o-object-fit: cover;
     object-fit: cover;
  width: 100%;
  height: 100%;
}

.sect3 {
  height: 588px;
}
.sect3 .inner {
  height: 588px;
}

@media (min-width: 0px) and (max-width: 767px) {
  .sect {
    min-width: 480px;
  }
  .sect .inner {
    width: 90%;
  }
}