/*
html {
  font-size: 100%;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  scroll-behavior: smooth;
}

*,
*::before,
*::after {
  padding: 0;
  margin: 0;
  -webkit-box-sizing: inherit;
          box-sizing: inherit;
  list-style: none;
  list-style-type: none;
  text-decoration: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
body {
  font-family: 'Inter', Tahoma, Geneva, Verdana, sans-serif;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: #121212;
  background: #fafafa;
}

body.scrolling {
  overflow-y: hidden;
}

a,
button {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
  text-decoration: none;
}

@media only screen and (max-width: 768px) {
  a,
  button {
    cursor: default !important;
    border: none;
    outline: none;
  }
}

img,
video {
  display: block;
  max-width: 100%;
  height: auto;
  -o-object-fit: cover;
     object-fit: cover;
}
*/

.menu_container {
  font-family: 'Inter', Tahoma, Geneva, Verdana, sans-serif;
  /* max-width: 80rem; */
  width: 100%;
  max-width: 1170px;
  height: auto;
  padding: 0 0rem;
  margin: 0 auto;
}

@media only screen and (max-width: 768px) {
  .menu_container {
    padding: 0 1rem;
    margin: 0 auto;
  }
}

.brand {
  font-family: inherit;
  font-size: 2.15rem;
  font-weight: 800;
  line-height: inherit;
  border: none;
  outline: none;
  color: #e91e63;
  text-transform: uppercase;
  text-rendering: optimizeLegibility;
}

.header {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: auto;
  z-index: 999;
  border: none;
  outline: none;
  background: #fafafa;
  -webkit-box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
          box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.header .wrapper {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 2rem;
  max-width: 100%;
  height: auto;
  padding: 0.75rem 0;
}

.header .navbar {
  max-width: 100%;
  height: auto;
}

.header .menu > .menu-item {
  position: relative;
  display: inline-block;
  margin: 0 0.75rem;
}

.header .menu > .menu-item > a {
  display: block;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  line-height: inherit;
  padding: 1rem 0;
  border: none;
  outline: none;
  color: #121212;
  text-transform: capitalize;
  text-rendering: optimizeLegibility;
  -webkit-transition: all 0.35s ease;
  -o-transition: all 0.35s ease;
  transition: all 0.35s ease;
}

.header .menu > .menu-item > a .expand {
  position: relative;
  display: inline-block;
  height: 0.75rem;
  width: 0.75rem;
  margin-left: 0.35rem;
  border: none;
  outline: none;
  pointer-events: none;
}

.header .menu > .menu-item > a .expand:before, .header .menu > .menu-item > a .expand:after {
  position: absolute;
  -webkit-box-sizing: inherit;
          box-sizing: inherit;
  content: '';
  left: 50%;
  top: 50%;
  width: 100%;
  height: 2px;
  background: #121212;
  -webkit-transform: translate(-50%, -50%);
      -ms-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  -webkit-transition: all 0.35s ease;
  -o-transition: all 0.35s ease;
  transition: all 0.35s ease;
}

.header .menu > .menu-item:hover > a {
  color: #e91e63;
}

.header .menu > .menu-item:hover > a .expand::before, .header .menu > .menu-item:hover > a .expand::after {
  background: #e91e63;
}

.header .menu > .menu-item > a .expand::after {
  -webkit-transform: translate(-50%, -50%) rotate(-90deg);
      -ms-transform: translate(-50%, -50%) rotate(-90deg);
          transform: translate(-50%, -50%) rotate(-90deg);
}

.header .menu > .menu-item > .sub-menu > .menu-item > a:hover {
  color: #e91e63;
}

.header .menu > .menu-item > .sub-menu {
  position: absolute;
  left: -1rem;
  top: 100%;
  width: 13rem;
  height: auto;
  padding: 0.75rem 0;
  border: none;
  outline: none;
  opacity: 0;
  visibility: hidden;
  border-top: 3px solid #e91e63;
  background: #ffffff;
  -webkit-box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
          box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  -webkit-transform: translateY(1rem);
      -ms-transform: translateY(1rem);
          transform: translateY(1rem);
  -webkit-transition: all 0.35s ease;
  -o-transition: all 0.35s ease;
  transition: all 0.35s ease;
}

.header .menu > .menu-item > .sub-menu > .menu-item {
  display: block;
}

.header .menu > .menu-item > .sub-menu > .menu-item > a {
  display: block;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  line-height: inherit;
  padding: 0.5rem 1.25rem;
  color: #121212;
  text-transform: capitalize;
  text-rendering: optimizeLegibility;
  -webkit-transition: all 0.35s ease;
  -o-transition: all 0.35s ease;
  transition: all 0.35s ease;
}

.header .opened-menu {
  position: relative;
  display: none;
  cursor: pointer;
  width: 2rem;
  height: 1rem;
  border: none;
  outline: none;
  opacity: 0;
  visibility: hidden;
  background: none;
  -webkit-transform: rotate(0deg);
      -ms-transform: rotate(0deg);
          transform: rotate(0deg);
  -webkit-transition: all 0.35s ease;
  -o-transition: all 0.35s ease;
  transition: all 0.35s ease;
}

.header .opened-menu span {
  display: block;
  position: absolute;
  width: 100%;
  height: 2px;
  left: 0;
  border: none;
  outline: none;
  opacity: 1;
  border-radius: 0.25rem;
  background: #121212;
  -webkit-transform: rotate(0deg);
      -ms-transform: rotate(0deg);
          transform: rotate(0deg);
  -webkit-transition: all 0.25s ease;
  -o-transition: all 0.25s ease;
  transition: all 0.25s ease;
}

.header .opened-menu span:nth-child(1) {
  top: 0;
}

.header .opened-menu span:nth-child(2), .header .opened-menu span:nth-child(3) {
  top: 0.5rem;
}

.header .opened-menu span:nth-child(4) {
  top: 1rem;
}

.header .closed-menu {
  display: none;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  cursor: pointer;
  width: 2.5rem;
  height: 2.5rem;
  border: none;
  outline: none;
  background: none;
}

.header .closed-menu img.closed-icon {
  display: block;
  width: 1rem;
  height: auto;
}

.header .overlay {
  position: fixed;
  left: 0;
  top: 0;
  height: 100%;
  width: 100%;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  background: rgba(0, 0, 0, 0.6);
  -webkit-transition: all 0.35s ease;
  -o-transition: all 0.35s ease;
  transition: all 0.35s ease;
}

@media only screen and (min-width: 993px) {
  .header .menu > .menu-item-has-children:hover > .sub-menu {
    display: block;
    opacity: 1;
    visibility: visible;
    -webkit-transform: translateY(0);
        -ms-transform: translateY(0);
            transform: translateY(0);
  }
  .header .menu > .menu-item-has-children:hover > a .expand::after {
    -webkit-transform: translate(-50%, -50%) rotate(0deg);
        -ms-transform: translate(-50%, -50%) rotate(0deg);
            transform: translate(-50%, -50%) rotate(0deg);
  }
}

@media only screen and (max-width: 992px) {
  .header .overlay.active {
    display: block;
    opacity: 1;
    visibility: visible;
  }
  .header .navbar {
    position: fixed;
    top: 0;
    left: -18rem;
    width: 18rem;
    height: 100%;
    padding: 1rem 0;
    z-index: 999;
    opacity: 0;
    overflow-y: auto;
    visibility: hidden;
    background: #ffffff;
    -webkit-box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    -webkit-transition: all 0.5s ease;
    -o-transition: all 0.5s ease;
    transition: all 0.5s ease;
  }
  .header .navbar.active {
    left: 0rem;
    opacity: 1;
    visibility: visible;
  }
  .header .navbar::-webkit-scrollbar {
    width: 5px;
  }
  .header .navbar::-webkit-scrollbar-thumb {
    border-radius: 1rem;
    background: #e6e6e6;
    -webkit-box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.12);
            box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.12);
  }
  .header .menu {
    width: 100%;
    height: auto;
    margin-top: 3.5rem;
  }
  .header .menu > .menu-item {
    display: block;
    margin: 0;
  }
  .header .menu > .menu-item-has-children > a {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
  }
  .header .menu > .menu-item > a {
    padding: 0.75rem 1rem;
    color: #121212;
    border-bottom: 1px solid #f2f2f2;
  }
  .header .menu > .menu-item:first-child > a {
    border-top: 1px solid #f2f2f2;
  }
  .header .menu > .menu-item > a .expand::before, .header .menu > .menu-item > a .expand::after {
    background: #121212;
  }
  .header .menu > .menu-item-has-children.active > a .expand:after {
    -webkit-transform: translate(-50%, -50%) rotate(0deg);
        -ms-transform: translate(-50%, -50%) rotate(0deg);
            transform: translate(-50%, -50%) rotate(0deg);
  }
  .header .menu > .menu-item > .sub-menu {
    position: relative;
    top: auto;
    left: auto;
    width: 100%;
    max-height: 0;
    padding: 0px;
    border: none;
    outline: none;
    opacity: 1;
    overflow: hidden;
    visibility: visible;
    background: transparent;
    -webkit-box-shadow: none;
            box-shadow: none;
    -webkit-transform: translateY(0px);
        -ms-transform: translateY(0px);
            transform: translateY(0px);
  }
  .header .menu > .menu-item > .sub-menu > .menu-item > a {
    padding: 0.75rem 2rem;
    color: #121212;
    border-bottom: 1px solid #f2f2f2;
  }
  .header .opened-menu {
    display: block;
    opacity: 1;
    visibility: visible;
  }
  .header .closed-menu {
    position: absolute;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    top: 1rem;
    right: 0.5rem;
  }
}

.main {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 6rem 0;
}

/* #home 배너 */
#sub { margin-top:0px; }
#sub:after{display:block;clear:both;content:"";}
.sub_section {height:100%;padding:60px 0 50px 0;overflow:hidden;}
.sub_section .container {height: 100%; padding: 0;} 
.sub_content {position:relative;display:table;height:100%;width:100%;overflow: hidden;}

.background_bg_sub {background: url("../img/bg_blank_sub.0129.png") center center no-repeat; background-size:cover; !important;-webkit-background-size: cover;-moz-background-size: cover;background-size: cover;-o-background-size: contain ;padding:50px 0 150px 0;}

.sub_organization {font-size:3.0em;line-height:30px;color:#3C4043;font-weight:000;margin:20px 0 20px 0;}
.sub_symposium {font-size:2.3em;line-height:120%;color:#2B6641;font-weight:700;margin:20px 0 0px 0;}
.sub_title {font-size:2.1em;line-height:1.1em;color:#307466;font-weight:700;margin:20px 0 20px 0;}
.sub_description {font-size: 1.5em;font-weight:600;line-height: 30px;color: #000000;}
.sub_datevenue {font-size: 1.6em;font-weight:700; line-height: 30px;color: #2B6641;margin:15px 0 20px 0;}
.sub_edupoint {font-size: 1.5em;font-weight:600;line-height: 30px;color: #FFD523;}

.sub_symposium span { display:block; }

@media (max-width: 576px) {
  .background_bg_sub { padding:0px 0 0px 0; }
  .sub_symposium { font-size:2.0em;line-height:1.1em; }
  .sub_datevenue { font-size:1.1em;line-height:1.1em; }
}

.ct_title { font-size:2.0em; font-weight:700; text-decoration: red underline; text-underline-position:under; }


.btn1{
  background:#229FEA;
  color:#fff;
  border:none;
  position:relative;
  height:60px;
  font-family: sans-serif; 
  font-weight: 600;
  font-size:1.6em;
  padding:0 2em;
  cursor:pointer;
  transition:800ms ease all;
  outline:none;
}
.btn1:hover{
  background:#fff;
  color:#229FEA;
}
.btn1:before,.btn1:after{
  content:'';
  position:absolute;
  top:0;
  right:0;
  height:2px;
  width:0;
  background: #229FEA;
  transition:400ms ease all;
}
.btn1:after{
  right:inherit;
  top:inherit;
  left:0;
  bottom:0;
}
.btn1:hover:before,.btn1:hover:after{
  width:100%;
  transition:800ms ease all;
}

.btn2{
  background:#FF5C58;
  color:#fff;
  border:none;
  position:relative;
  height:60px;
  font-family: sans-serif; 
  font-weight: 600;
  font-size:1.6em;
  padding:0 2em;
  cursor:pointer;
  transition:800ms ease all;
  outline:none;
}
.btn2:hover{
  background:#fff;
  color:#FF5C58;
}
.btn2:before,.btn2:after{
  content:'';
  position:absolute;
  top:0;
  right:0;
  height:2px;
  width:0;
  background: #FF5C58;
  transition:400ms ease all;
}
.btn2:after{
  right:inherit;
  top:inherit;
  left:0;
  bottom:0;
}
.btn2:hover:before,.btn2:hover:after{
  width:100%;
  transition:800ms ease all;
}