header {display:flex; z-index:100; align-items:center; background:#fff;height: 3.5rem;position: fixed;left: 0;top: 0;width: 100%;}
header::before {
    content: "";
    width: 100%;
    height: 0.9rem;
    bottom: -25%;
    position: absolute;
    background: url(../img/bar.png) no-repeat 0 0 / 100%;
}
header h1 {margin-right: 5rem;display: none;}
header h1 a {display: block;text-align: center;  padding: 1rem;}
header h1 a img {height: 1.5rem;}
header .open_nav {position:absolute; right:1rem;}
header .open_nav img {height: 1.5rem;}
header .back {right:1.5rem;}
header .header_sub {display: flex;align-items: center;padding: 0 1rem;}
header .header_sub img {display: block;height: 1.3rem;}
header .header_sub p {margin-left: 1rem;font-size: 1.4rem;font-weight: 500;color: #4e4f51;}
header.show h1 {display: block;}
header.show .header_sub {display: none;}



/* nav */
nav {position: fixed; left: 100%; top:0; width: 77%; z-index: 999;background: #fff;height: 100vh;transition:.5s}
nav.on {left: 23%;transition:.5s;}
nav .all-menu {height: 3.5rem;padding: 1rem;display: flex;align-items: center;justify-content: space-between;}
nav .all-menu p {font-size: 1.4rem;font-weight: 600;}
nav > ul {
    display: flex;
    flex-flow: column;
    align-items: center;
    padding: 2rem 0;
}
nav > ul > li {padding:0 1rem; display: block; width: 100%;}
/* #wrap > div.nav_wrap > nav > ul > li:nth-child(1) {padding:1rem;background: #fbfaff;} */
nav > ul > li h3 {font-size:1.5rem;font-weight: 500; margin-bottom: 0.5rem; color:#033587;}
nav > ul > li p {font-size: 1rem; font-weight:600; }
nav #link_button {
    font-size:0.875rem; 
    border-radius: 1rem;
    padding: 0.25rem 0.5rem;
    border: 1px solid #ddd;
    background: rgba(255, 255, 255, .7);
    display: flex;align-items: center;justify-content: space-between;
}
nav #link_button img {width:.5rem;display: block;margin-left: .1rem;}
#wrap > div > nav > ul > li:nth-child(1) > p {font-weight:400;font-size: 1rem;color: #a3a3a3;}
nav > ul > li > ul {margin:1rem 0 0; background: #eaefff; border-radius: 1rem;padding: .5rem 0;}
nav > ul > li > ul > li {display:flex; justify-content: space-between; align-items: center; font-size: 1.2rem;line-height: 1.5;width:100%; padding: .5rem .7rem;}
nav .close_nav img {display: block;height: 1.5rem;}

nav .nav_color a {color: #909090;display: block; padding: 0.5rem 0rem;font-size: 1.25em;font-weight: 500;}
nav .nav_color.active a {color: #ff8c00;}


/* footer */
.sec_footer {position: fixed;bottom: 0;left: 0;background: linear-gradient(90deg, #4d78d4 ,#133a92,#312444 90%);width: 100%;z-index: 10;border-radius: 1rem 1rem 0 0;z-index: 997;}
.footer {display: flex;align-items: center;justify-content: space-evenly;height: 4rem;}
.footer > div {width: 33.33%;display: flex;align-items: center;justify-content: center;flex-direction: column;}
.footer > div img {width: 3.5rem;margin: 0 auto;}
.footer > div p {font-size: 1.1rem;color: #fff;width: 100%;text-align: center;	padding-top: .3rem;line-height: 1.2;}
.footer .footer_btn.active p {color: #41cef9; font-weight: bold;}
.footer .footer_btn > a {display: flex;flex-direction: column;align-items: center;}

.nav_bg {background: rgba(0,0,0,0.6); position: fixed; left: 0; top:0; width: 100%; height: 100vh; z-index: 998; display: none;}
.nav_bg.on {display: block;}


/* 0529 css 추가 */
.nav_wrap {
    background: #FBFAFF;
}
.nav {
    padding: 1rem 1rem 1.5rem;
}
nav .nav_color {
    display: flex;
    align-items: center;
    gap: .7rem;
}
nav .nav_color .ico {
    display: block;
    width: 1.5rem; height: 1.5rem;
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
}
nav .nav_color .ico.a {
    background-image: url(../img/menu-btn-off-1.png);
}
nav .nav_color .ico.b {
    background-image: url(../img/menu-btn-off-2.png);
}
nav .nav_color .ico.c {
    background-image: url(../img/menu-btn-off-3.png);
}
nav .nav_color .ico.d {
    background-image: url(../img/menu-btn-off-4.png);
}
nav .nav_color.active .ico.a {
    background-image: url(../img/menu-btn-on-1.png)
}
nav .nav_color.active .ico.b {
    background-image: url(../img/menu-btn-on-2.png)
}
nav .nav_color.active .ico.c {
    background-image: url(../img/menu-btn-on-3.png)
}
nav .nav_color.active .ico.d {
    background-image: url(../img/menu-btn-on-4.png)
}
nav .go_link {
    display: block;
    padding: 0 1rem;
}
nav .go_link img {
    width: 100%;
    border-radius: .5rem;
}
.nav_btn {
    padding: 2rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}
.nav_btn a {
    display: flex;
    flex-direction: column;
    width: calc(100% / 3 - 1rem);
    gap: 1rem;
    align-items: center;
}
.nav_btn a .img{
    width: 4.5rem; height: 4.5rem;
    text-align: center;
    background: #fff;
    border: .1rem solid #ccc;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.nav_btn a .img img {
    height: 3rem;
}
.nav_btn a span {
    color: #979797;
}