@charset "UTF-8";

.btn-intro {
  /*background: url(/images/btn/btn-intro.png);*/
  width: 79px;
  height: 81px;
  margin: 5px;
  position: fixed;
  right: 35px;
  bottom: 100px;
  z-index: 998;
}

.btn-intro .original {
  position: absolute;
  bottom: 13px;
  left: 12px;
  width: 55px;
}

.btn-intro .over {
  position: absolute;
  bottom: -6px;
  left: 8px;
  z-index: 2;
  width: 76px;
  display: none;
  cursor:pointer;
}

.btn-intro:hover .over {
  display: block;
  animation: test 1s;
  animation-fill-mode: both;
}

.btn-intro:hover .original {
  display: none;
}

@-webkit-keyframes test {
  0% {
    transform: translate(0);
  }

  100% {
    transform: translate(-5px, -5px);
  }
}

@keyframes test {
  0% {
    transform: translate(0);
  }

  100% {
    transform: translate(-5px, -5px);
  }
}

@media (max-width: 768px) {
	.btn-intro {
	  right: 45px;
	  bottom: 115px;
	}
}

@media (max-width: 480px) {
  .btn-intro {
    width: 50px;
    height: 50px;
    background-size: 50px 50px;
  }
  .btn-intro img { width : 65px; height : 65px }  
  .btn-intro .original {
    bottom: 8px;
    left: 7px;
    width: 36px;
  }
  .btn-intro .over {
    bottom: -2px;
    left: 5px;
    z-index: 2;
    width: 46px;
  }
}