.fv{
  position: relative;
}

/* ーーーFV動画のcssーーー */
.fv_video_container {
  width: 100vw;
  height: 100vh;
  position: relative;
}
.fv_video_sp, 
.fv_video_pc  {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.fv_video_container .dot{
  position: absolute;
  width: 100%;
  top: 0;
  left: 0;
  object-fit: cover;
  right: 0;
  height: 100%;
  bottom: 0;
}


.fv__copy {
  width: 100%;
  margin-top: 40px;
  clip-path: inset(0 100% 0% 0);
  transition: clip-path 2s cubic-bezier(0.19, 1, 0.22, 1);
  transition-delay: 0s;
  position: absolute;
  top: 40vh;
  transform: translateX(-50%);
  left: 50%;
  z-index: 5;
  display: flex;
  justify-content: center;
}
.fv__copy img{
  width: 70%;
  margin: 0 3rem; 
}
.fv__copy.is-active {
  clip-path: inset(0 0% -20% 0);
}

.fv_copy_sub{
  position: absolute;
  top: 60vh;
  left: 50%;
  z-index: 5;
  color: #fff;
  width: 100%;
  transform: translateX(-50%);
  text-align: center; 
  clip-path: inset(0 100% 0% 0);
  transition: clip-path 2s cubic-bezier(0.19, 1, 0.22, 1);
  transition-delay: 0.8s;
}

.fv_copy_sub.is-active{
  clip-path: inset(0 0% -20% 0);
}

@media(min-width: 769px){
  .fv__copy img.pc {
    display: block;
  }
  .fv__copy img.sp {
    display: none;
  }
}
@media(max-width: 768px){
  .fv__copy img.pc {
    display: none;
  }
  .fv__copy img.sp {
    display: block;
  }
  .fv_copy_sub{
    top: 55vh;
    padding: 2rem;
    font-size: 2.6rem;
  }
}

.plane_and_earth_wrapper{
  display: flex;
  flex-direction: column;
  transform: translateY(-35vh);
  z-index: 4;
  position: relative;
}

.plane_svg{
  width: 12vw;
  min-width: 120px;
  position: absolute;
  transform: translateX(3rem);
  animation: planeAnimation 1.5s infinite;
}

.earth_svg{
  width: 28vw;
  min-width: 300px;
  position: absolute;
  left: -100px;
  top: 3rem;
  animation: earthAnimation 20s infinite linear;
}

@keyframes planeAnimation {
  0% {
    transform: translateX(3rem) translateY(0);
  }
  50% {
    transform: translateX(3rem) translateY(-3px);
  }
  100% {
    transform: translateX(3rem) translateY(0);
  }
}

@keyframes earthAnimation {
  0% {
    transform: rotate(0);
  }
  100% {
    transform: rotate(360deg);
  }
}
.sp_br {
  display: none; 
}
@media screen and (max-width: 499px) {
  .sp_br {
    display: block; {#499px未満で改行タグを有効に。#}
  }
}


@media(max-width: 768px){
  .fv__copy {
    top: 30vh;
  }
}