/* CSS index */




/* header */

header {
    background-color: rgba(255,255,255,0);
}



/* contents */

.main {
    padding-top: 206px;
}
.main h2 + p {
    margin-bottom: 70px;
}



/* nav-links */

.nav-links {
    font-size: 0px;
    text-align: center;
}

.nav-links li {
    display: inline-block;
}
.nav-links li a {
    display: block;
}
.nav-links li:not(first-child) {
    margin-left: 7px;
}



.topBtn{animation-iteration-count: 1;}
.topBtn1{animation-delay:0.3s;}
.topBtn2{animation-delay:0.4s;}
.topBtn3{animation-delay:0.5s;}
.topBtn4{animation-delay:0.6s;}