.home-cover__lines,
.m-bgLines__lines{
  position: absolute;
  top:0;
  right:0;
  bottom:0;
  left:0;
  overflow: hidden;
  z-index:1;
}

.m-bgLines__lines{
  bottom:auto;
  overflow: visible;
}

/* PC */
@media print,only screen and (min-width: 768px){ 
  .m-bgLines__lines{
    height:70rem;
  }
}

/* SP */
@media screen and (max-width: 767px){
  .m-bgLines__lines{
    height:50rem;
  }
}

/* .m-bgLines__lines{
  z-index:-1;
  position: fixed;
  inset: 0;
  margin: auto;
} */

.home-cover__lines__line,
.m-bgLines__lines__line{
  position: absolute;
  background-color:hsl(213, 34%, 83%);
  width:200vmax;
  height:1px;
  top:50%;
  left: calc(50% - 100vmax);
  /* left:-50%; */
  animation: lineMove 20s ease-in-out infinite;
}


@keyframes lineMove {
  0% {
    transform: rotate(0deg);
  }
  30% {
    transform: rotate(370deg);
  }
  40% {
    transform: rotate(350deg);
  }
  50% {
    transform: rotate(370deg);
  }
  60% {
    transform: rotate(350deg);
  }
  70% {
    transform: rotate(370deg);
  }
  80% {
    transform: rotate(350deg);
  }
  90% {
    transform: rotate(370deg);
  }
  100% {
    transform: rotate(360deg);
  }
}