body {
  font-family: "游ゴシック体", YuGothic, "游ゴシック", "Yu Gothic", sans-serif;
}

main {
  max-width: 800px;
  margin: 0 auto;
  overflow: hidden;
}

@media screen and (max-width: 768px) {
  img {
    width: 100%;
    max-width: 100%;
    height: auto;
  }
}


.fv {
  position: relative;
  text-align: center;
}

.btn {
  position: absolute;
  top: 84%;
  right: 0;
  left: 0;
  margin: auto;
}

@media screen and (max-width: 768px) {
  .btn {
    width: 90%;
    top: 83%;
  }
}

/*ボタンアニメーション*/

.heartbeat {
  -webkit-animation: heartbeat 1.8s ease-in-out infinite both;
  animation: heartbeat 1.8s ease-in-out infinite both
}

@-webkit-keyframes heartbeat {
  from {
    -webkit-transform: scale(1);
    transform: scale(1);
    -webkit-transform-origin: center center;
    transform-origin: center center;
    -webkit-animation-timing-function: ease-out;
    animation-timing-function: ease-out
  }

  10% {
    -webkit-transform: scale(.91);
    transform: scale(.91);
    -webkit-animation-timing-function: ease-in;
    animation-timing-function: ease-in
  }

  17% {
    -webkit-transform: scale(.98);
    transform: scale(.98);
    -webkit-animation-timing-function: ease-out;
    animation-timing-function: ease-out
  }

  33% {
    -webkit-transform: scale(.87);
    transform: scale(.87);
    -webkit-animation-timing-function: ease-in;
    animation-timing-function: ease-in
  }

  45% {
    -webkit-transform: scale(1);
    transform: scale(1);
    -webkit-animation-timing-function: ease-out;
    animation-timing-function: ease-out
  }
}

@keyframes heartbeat {
  from {
    -webkit-transform: scale(1);
    transform: scale(1);
    -webkit-transform-origin: center center;
    transform-origin: center center;
    -webkit-animation-timing-function: ease-out;
    animation-timing-function: ease-out
  }

  10% {
    -webkit-transform: scale(.91);
    transform: scale(.91);
    -webkit-animation-timing-function: ease-in;
    animation-timing-function: ease-in
  }

  17% {
    -webkit-transform: scale(.98);
    transform: scale(.98);
    -webkit-animation-timing-function: ease-out;
    animation-timing-function: ease-out
  }

  33% {
    -webkit-transform: scale(.87);
    transform: scale(.87);
    -webkit-animation-timing-function: ease-in;
    animation-timing-function: ease-in
  }

  45% {
    -webkit-transform: scale(1);
    transform: scale(1);
    -webkit-animation-timing-function: ease-out;
    animation-timing-function: ease-out
  }
}

.step {
  position: relative;
  text-align: center;
}

.btn_step {
  position: absolute;
  top: 34%;
  right: 0;
  left: 0;
  margin: auto;
}

@media screen and (max-width: 768px) {
  .btn_step {
    width: 70%;
  }
}

.btn_bottom_area {
  position: relative;
  text-align: center;
}

.btn_bottom {
  position: absolute;
  top: 58%;
  right: 0;
  left: 0;
  margin: auto;
}

/*フッター*/

footer {
  border-top: 2px solid #83d2c0;
  padding: 5% 0 0 0;
  position: relative;
  z-index: 9999;
  color: #fff;
  background: #83d2c0;
}

footer a {
  color: #fff;
  text-decoration: underline;
}

.copy {
  text-align: center;
  padding: 10px 0;
  color: #fff;
  font-size: 11px;
}