.scroll-wrapp { width:100%; float:left; padding:25px 0 10px;}
.scroll-wrapp .scroll-row1 { width:100%; float:left; position:relative;}
.scroll-wrapp .scroll-row1 .scroll-bar1 { width:30px; height:60px; margin:auto; position:relative;}
.scroll-wrapp .scroll-row1 .scroll-bar1 a span {
  position: absolute;
  top: 0;
  left: 50%;
  width: 30px;
  height: 50px;
  margin-left: -15px;
  border: 2px solid #000;
  border-radius: 50px;
  box-sizing: border-box;
}
.scroll-wrapp .scroll-row1 .scroll-bar1 a:after { content:""; width:11px; height:6px; background:url(../images/scroll-arrow1.png) no-repeat center / cover; position:absolute; right:0; bottom:0; left:0; margin:auto;}
.scroll-wrapp .scroll-row1 .scroll-bar1 a span::before {
  position: absolute;
  top: 10px;
  left: 50%;
  content: '';
  width: 9px;
  height: 9px;
  margin-left: -4px;
  border: 2px solid #000;
  border-radius: 50%;
  -webkit-animation: sdb10 2s infinite;
  animation: sdb10 2s infinite;
  box-sizing: border-box;
}
@-webkit-keyframes sdb10 {
  0% {
    -webkit-transform: translate(0, 0);
    opacity: 0;
  }
  40% {
    opacity: 1;
  }
  80% {
    -webkit-transform: translate(0, 20px);
    opacity: 0;
  }
  100% {
    opacity: 0;
  }
}
@keyframes sdb10 {
  0% {
    transform: translate(0, 0);
    opacity: 0;
  }
  40% {
    opacity: 1;
  }
  80% {
    transform: translate(0, 20px);
    opacity: 0;
  }
  100% {
    opacity: 0;
  }
}

/*Smartphone css*/
@media screen and (max-width: 480px) {
.scroll-wrapp { padding:40px 0 15px;}
}

@media screen and (min-width:481px) and (max-width:600px) {
.scroll-wrapp { padding:40px 0 15px;}
}

@media screen and (min-width:601px) and (max-width:767px) {
.scroll-wrapp { padding:40px 0 15px;}
}

@media screen and (min-width:768px) and (max-width:900px) {

}

@media screen and (min-width:901px) and (max-width:1024px) {

}

@media screen and (min-width:1025px) and (max-width:1240px) {

}