nav{
    box-shadow:0 2px 4px -1px rgb(0 0 0 / 20%), 0 4px 5px 0 rgb(0 0 0 / 14%), 0 1px 10px 0 rgb(0 0 0 / 12%);
    position: fixed;
    z-index:5
}
video{
    filter:brightness(80%);
    height:90%;
}

.large-hero{height:80px;}
.site-hero{position: relative;z-index:4;border-bottom:1px solid #d9d9d9}
.site-hero__container{position:absolute;top:35%}
.site-hero__text{text-shadow: 1px 2px 4px rgba(0,0,0,0.3);}
.top_btn{
    border-radius:0.5rem;
    font-weight:bold;
    font-size:1rem;
    line-height:1.5rem;
    background-color:#00a4bb;
    padding:0.5rem 1rem;
    color:white;
}
.top_btn:hover{
    opacity:.6;
}
.btn_list li{
    float: left;
}
.btn_list li:first-child{
    margin-right: 1rem;
}
.exchange{
    box-shadow:0 2px 4px -1px rgb(0 0 0 / 20%), 0 4px 5px 0 rgb(0 0 0 / 14%), 0 1px 10px 0 rgb(0 0 0 / 12%);
    background:white;
    width:100%;
    border-bottom:1px solid #d9d9d9
}
.bx-wrapper{
    box-shadow: none !important;
    margin-bottom:0px !important
}
.exc_slide_wrap{
    width:80%;
    margin:0 auto;
    padding:0.5rem 0;
}
.exchange .exe_logo{float:left;margin-right:50px}
.exchange h2 img{vertical-align:middle;height:19px;}
.exchange .exe_list{font-size:14px;float:right;}
.exchange dt{float:left;color:#999;}
.exchange dd{float:left;font-weight:bold;color:#222;margin-left:10px;}
.swiper-container{margin:0 auto;text-align:center}
.slide_wrap{background: url('../image/bg_slide_line.gif') top right no-repeat;padding-right:100px;padding-left:100px}

@media (max-width:1024px){
}
@media (max-width:768px){
    .site-hero__container{position:absolute;top:30%;left:20px;font-size:14px;}
    .about{padding-top:0rem}
    html,body{overflow-x:hidden;}
    .section-title .section-content p{font-size:14px}
    .exc_slide_wrap{
        width:90%;
    }
    video{
    filter:brightness(70%);
    height:100%;
    }
}   
@media (max-width:425px){
    .site-hero__container{position:absolute;top:10%;left:20px;font-size:14px;}
    .btn--primary{padding:0.75rem 1rem}
    .btn{font-size:12px;}
    .top_btn{
        font-weight: normal;
        font-size:0.7rem;
        line-height:1rem;
    }
    /*video{
        width: 100%;  
    height: 100vh;
    object-fit: cover;
    }
    .site-hero__text{top:50%}*/
}