html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
section {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

/* HTML5 display-role reset for older browsers */
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}

ol,
ul {
  list-style: none;
}

blockquote,
q {
  quotes: none;
}

blockquote:before,
blockquote:after,
q:before,
q:after {
  content: '';
  content: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

body {
  background-color: black;
}

#intro-main {
  display: flex;
  flex-direction: column;
  margin: 54px auto 140px;
  width: 300px;
  align-items: center;
  color: white;
  font-size: 40px;
  font-weight: 500;
  gap: 20px;
}

#intro-main p {
  text-align: center;
}

@keyframes upAndDown {
  0% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }

  100% {
    transform: translateY(0);
  }
}

#list-item-wrapper {
  margin: 0 auto 0;
  width: 100%;
}

.list-item {
  font-size: 48px;
  font-weight: 600;
  transition: 0.5s;
  word-break: keep-all;
  white-space: nowrap;
}

.list-item#on {
  color: white;
}

#intro-main {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin: 0;
  height: 100vh;
}

.list-item-wrapper {
  display: flex;
  flex-direction: column;
  flex-wrap: nowrap;
  gap: 0;
  margin: 0;
  padding: 0;
}

.history_list{
  z-index: 200;
  position: relative;
}

.list_date{
  font-family: 'Inter';
  font-size: 18px;
  font-weight: 400;
  line-height: 20px;
  letter-spacing: -0.5px;
  text-align: center;
  color: #9E9E9E;
  padding-top: 150px;
}

.list_name{
  font-family: 'Inter';
  font-size: 18px;
  font-weight: 400;
  line-height: 24px;
  letter-spacing: -0.5px;
  text-align: center;
  color: #9E9E9E;
  margin-top: 20px;
}

.list_name:last-child{
  margin-bottom: 50px;
}

.list-item#on {
  color: white;
  font-family: 'Inter';
  transform: scale(1);
  transition: 0.5s;
  font-size: 30px;
  font-weight: 400;
  line-height: 30px;
  letter-spacing: -0.5px;
  text-align: center;
}

.history_wrap{
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.history_wrap video{
  width: 65%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.8;
}

header {
  position: fixed;
  width: 100%; 
  height: 100px;
  z-index: 10000;
  background-color: black;
}

header .logo {
  padding: 15px; 
  font-size:25px; 
  color: black; 
  text-align: center;
}

.logo1{
  position: absolute;
  z-index: 2000;
  top:33px;
  text-align: center;
  width: 100%;
  height: 110px;
  box-sizing: border-box;
}

.logo2{
  position: absolute;
  z-index: 1000;
  text-align: center;
  width: 100%;
  background-color: black;
  margin-top: 22px;
}

@keyframes rotate_image{
  100%{
      transform:rotate(360deg);
  }
}

.btn_all{
  position: absolute;
  left: 17.5%;
  top:30px;
  width: 78px;
  display: inline-block;
  z-index: 9000;
  margin-top:50px;
}

html.open {
  overflow: hidden;
}

#menu.open {
  left: 0px;
}

.page_cover.open {
  display: block;
}

.btn_menu {
  width: 90px;
  height: 70px;
  left: 20%;
  top: 30px;
  position: absolute;
  margin-top: 20px;
  z-index: 9999;
  background-image: url(img/ic_menu_gray.png);
  background-size: 50%;
  background-repeat: no-repeat;
  background-position: center;
  cursor: pointer;
}

.close {
  width: 37px;
  height: 37px;
  position: absolute;
  right: 5%;
  top: 65px;
  background-size: 100%;
  background-repeat: no-repeat;
  cursor: pointer;
  background-image: url(img/ic_menu_close.png);
  display: flex;
}

#menu {   
  height: 100%;
  position: fixed;
  top: 0px;
  left: -400%;
  z-index: 15000;
  background-color: #005337;
  text-align: center;
  font-weight: bold;
  transition: All 1s ease;
  -webkit-transition: All 1s ease;
  -moz-transition: All 1s ease;
  -o-transition: All 1s ease;
  padding : 110px 130px 0 130px;
  font-family: 'Inter';
}

#menu a{
  padding:0;
  text-decoration: none;
  font-size: 50px;
  color: white;
  display: block;
  transition: 0.3s;
}

#menu.open {
  left: 0px;
}

.page_cover.open {
  display: block;
}

.page_cover {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0px;
  right: 0px;
  z-index: 4;
  display: none;
}

#menu ul {  
  margin:0; 
  padding:0;
}
  
#menu ul.nav li {
  position:relative; 
  float:left; 
  width:100%; 
  list-style-type:none; 
  font-size:18px;
  padding: 25px 0;
  border-top: 1px #137755 solid;
}

#menu ul.nav li:first-child {
  border-top: none;
}
  
#menu ul.nav li a {
  display:block; 
  width:100%; 
  height:100%; 
  line-height:50px; 
  text-indent:20px;
  text-align: left;
  color:white; 
  font-weight:bold; 
  text-decoration:none;
}

.btn_total {
  display: flex;
}

.btn_det a{
  font-size: 30px !important;
  color: #E1E1E1 !important;
  font-weight: 500 !important;
}

.btn_det a:hover {
  color: #E7CA3E !important;
}

.btn_tail{
  width: 100%;
  font-size: 20px;
  font-family: 'Inter';
  color: white;
  display: flex;
}

.btn_sns{
  text-align: left;
  position: absolute;
  left:50%;
  margin-left: 25%;
  top:60%;
  z-index: 2;
  z-index: 9000;
}

.btn_sns a{
  margin-left:10px;
  display: inline-block;
}

.m_btn_sns{
  display: none;
}

.img_mark_color{
  padding:40px 0; 
  border-top: 1px #C3C3C3 solid;
}

.sub_menu_mobile{
  display: none;
}

@media(hover:hover){
  
  #menu ul.nav li a:hover {
      color: #E7CA3E;
  }
}

@media(max-width:479px){
  .logo1{
    top: 30px !important;
  }

  .logo1 img{
      width: 44px;
  }

  .logo2 img{
      width: 65px;
  }

  .btn_menu{
      background-image: url(img/m_menu.png);
      width: 50px;
      left: 15%;
      top:0 !important;
  }

  .btn_sns{
      display: none;
  }

  .m_btn_sns{
      display: block;
      text-align: left;
      position: absolute;
      left:50%;
      margin-left: 22%;
      top:40px;
      z-index: 9000;
  }

  .m_btn_sns a{
      text-decoration: none;
  }

  .sub_menu{
      display: none;
  }

  .sub_menu_mobile{
      display: block;
  }

  .sub_menu_mobile #menu{
      width: 100%;
      padding: 0 !important;
      margin: auto;
      background-color: #fff;
      overflow: auto;
  }

  .sub_menu_mobile #menu ul li a{
      font-family: 'Pretendard';
      font-size: 20px;
      font-weight: 500;
      line-height: 30px;
      letter-spacing: -0.5px;
      text-align: left;
      text-decoration-skip-ink: none;
      color: #212121;
  }

  .sub_menu_head{
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 40px;
      border-bottom: 1px #EEE solid;
  }

  .sub_head_logo img{
      width: 44px;
      height: 44px;
      padding: 5px;
  }

  .sub_menu_mobile #menu ul.nav li a:hover{
      color: none;
  }

  .sub_menu_mobile #menu .close{
      background-image: url(img/Union.png);
      position: static;
      width: 24px;
      height: 24px;
  }

  .sub_menu_mobile #menu ul.nav li{
      padding: 0 !important;
      border: none;
  }

  .sub_menu_mobile #menu ul.nav li a{
      padding: 15px 0 !important;
  }

  .sub_menu_mobile #menu ul.sub_mobile li a{
      font-family: 'Pretendard0';
      font-size: 16px;
      font-weight: 300;
      line-height: 24px;
      letter-spacing: -0.5px;
      text-align: left;
      text-decoration-skip-ink: none;
  }

  .drop_menu{
      background-color: #005337;
  }

  .drop_menu a{
      color: #ffffff !important;
  }

  .mobile_sub_tail{
      width: 100%;
      position: fixed;
      bottom: 0;
      padding: 20px 25px;
      background: #fff;
  }


  .mobile_btn_tail{
      font-family: 'Pretendard';
      font-size: 14px;
      font-weight: 700;
      line-height: 20px;
      letter-spacing: -0.5px;
      text-align: left;
      text-decoration-skip-ink: none;
  }
  .mobile_btn_tail_txt{
      font-family: 'Pretendard';
      font-size: 12px;
      font-weight: 400;
      line-height: 18px;
      letter-spacing: -0.5px;
      text-align: left;
      text-decoration-skip-ink: none;
      color: #616161;
  }

  .nav{
      width: 80%;
      height: 100%;
      margin: 0 auto !important;
  }

  .nav_li a, .btn_sub a{
      font-family: 'Pretendard';
      font-size: 20px !important;
      font-weight: 500 !important;
      line-height: 30px !important;
      letter-spacing: -0.5px;
      text-decoration-skip-ink: none;
  }

  .btn_det a{
      font-family: 'Pretendard';
      font-size: 16px !important;
      font-weight: 300 !important;
      line-height: 24px !important;
      letter-spacing: -0.5px;
      text-align: left;
      text-decoration-skip-ink: none;
  }

  .history_wrap video{
    width: 100%;
    opacity: 0.9;
  }

  #intro-main p{
    font-size: 20px !important;
    font-family: 'Inter';
  }

  .list_date{
    font-size: 16px !important;
    padding-top: 120px !important;
  }

  .list-item#on {
    font-size: 20px !important;
  }
}

@media all and (min-width:480px) and (max-width:1023px){
  .header{
    position: fixed;
    height: 105px;
  }

  .logoset{
      margin-top: 0 !important;
  }

  .logo1{
      top:30px !important;
  }

  .logo1 img{
      width: 44px;
  }

  .logo2 img{
      width: 65px;
  }

  .btn_menu{
      background-image: url(img/m_menu.png);
      width: 50px;
      margin-top: -10px !important;
      left: 25%;
  }

  .btn_sns{
      display: none;
  }

  .m_btn_sns{
      display: block;
      text-align: left;
      position: absolute;
      left:50%;
      margin-left: 22%;
      top:40%;
      z-index: 9000;
  }

  .m_btn_sns a{
      text-decoration: none;
  }

  .sub_menu{
      display: none;
  }

  .sub_menu_mobile{
      display: block;
  }

  .sub_menu_mobile #menu{
      width: 100%;
      padding: 0 !important;
      margin: auto;
      background-color: #fff;
  }

  .sub_menu_mobile #menu ul li a{
      font-family: 'Pretendard';
      font-size: 20px;
      font-weight: 500;
      line-height: 30px;
      letter-spacing: -0.5px;
      text-align: left;
      text-decoration-skip-ink: none;
      color: #212121;
  }

  .sub_menu_head{
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 40px;
      border-bottom: 1px #EEE solid;
  }

  .sub_head_logo img{
      width: 44px;
      height: 44px;
      padding: 5px;
  }

  .sub_menu_mobile #menu ul.nav li a:hover{
      color: none;
  }

  .sub_menu_mobile #menu .close{
      background-image: url(img/Union.png);
      position: static;
      width: 24px;
      height: 24px;
  }

  .sub_menu_mobile #menu ul.nav li{
      padding: 0 !important;
      border: none;
  }

  .sub_menu_mobile #menu ul.nav li a{
      padding: 15px 0 !important;
  }

  .sub_menu_mobile #menu ul.sub_mobile li a{
      font-family: 'Pretendard0';
      font-size: 16px;
      font-weight: 300;
      line-height: 24px;
      letter-spacing: -0.5px;
      text-align: left;
      text-decoration-skip-ink: none;
  }

  .drop_menu{
      background-color: #005337;
  }

  .drop_menu a{
      color: #ffffff !important;
  }

  .mobile_sub_tail{
      position: absolute;
      bottom: 0;
      padding: 20px 25px;
  }


  .mobile_btn_tail{
      font-family: 'Pretendard';
      font-size: 14px;
      font-weight: 700;
      line-height: 20px;
      letter-spacing: -0.5px;
      text-align: left;
      text-decoration-skip-ink: none;
  }
  .mobile_btn_tail_txt{
      font-family: 'Pretendard';
      font-size: 12px;
      font-weight: 400;
      line-height: 18px;
      letter-spacing: -0.5px;
      text-align: left;
      text-decoration-skip-ink: none;
      color: #616161;
  }

  .nav{
      width: 80%;
      margin: 0 auto !important;
  }

  .nav_li a, .btn_sub a{
      font-family: 'Pretendard';
      font-size: 20px !important;
      font-weight: 500 !important;
      line-height: 30px !important;
      letter-spacing: -0.5px;
      text-decoration-skip-ink: none;
  }

  .btn_det a{
      font-family: 'Pretendard';
      font-size: 16px !important;
      font-weight: 300 !important;
      line-height: 24px !important;
      letter-spacing: -0.5px;
      text-align: left;
      text-decoration-skip-ink: none;
  }
}

@media all and (min-width:1024px) and (max-width:1279px){
  .header{
      position: fixed;
      height: 105px;
  }

  .logoset{
      margin-top: 0 !important;
  }

  .logo1{
      top:30px !important;
  }
  
  .logo1 img{
      width: 44px;
  }

  .logo2 img{
      width: 65px;
  }
  
  .btn_menu{
      background-image: url(img/m_menu.png);
      width: 50px;
      margin-top: -10px !important;
      left: 25%;
  }

  .btn_sns{
      display: none;
  }

  .m_btn_sns{
      display: block;
      text-align: left;
      position: absolute;
      left:50%;
      margin-left: 22%;
      top:40%;
      z-index: 9000;
  }

  .m_btn_sns a{
      text-decoration: none;
  }

  .sub_menu{
      display: none;
  }

  .sub_menu_mobile{
      display: block;
  }

  .sub_menu_mobile #menu{
      width: 100%;
      padding: 0 !important;
      margin: auto;
      background-color: #fff;
  }

  .sub_menu_mobile #menu ul li a{
      font-family: 'Pretendard';
      font-size: 20px;
      font-weight: 500;
      line-height: 30px;
      letter-spacing: -0.5px;
      text-align: left;
      text-decoration-skip-ink: none;
      color: #212121;
  }

  .sub_menu_head{
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 40px;
      border-bottom: 1px #EEE solid;
  }

  .sub_head_logo img{
      width: 44px;
      height: 44px;
      padding: 5px;
  }

  .sub_menu_mobile #menu ul.nav li a:hover{
      color: none;
  }

  .sub_menu_mobile #menu .close{
      background-image: url(img/Union.png);
      position: static;
      width: 24px;
      height: 24px;
  }

  .sub_menu_mobile #menu ul.nav li{
      padding: 0 !important;
      border: none;
  }

  .sub_menu_mobile #menu ul.nav li a{
      padding: 15px 0 !important;
  }

  .sub_menu_mobile #menu ul.sub_mobile li a{
      font-family: 'Pretendard0';
      font-size: 16px;
      font-weight: 300;
      line-height: 24px;
      letter-spacing: -0.5px;
      text-align: left;
      text-decoration-skip-ink: none;
  }

  .drop_menu{
      background-color: #005337;
  }

  .drop_menu a{
      color: #ffffff !important;
  }

  .mobile_sub_tail{
      position: absolute;
      bottom: 0;
      padding: 20px 25px;
  }


  .mobile_btn_tail{
      font-family: 'Pretendard';
      font-size: 14px;
      font-weight: 700;
      line-height: 20px;
      letter-spacing: -0.5px;
      text-align: left;
      text-decoration-skip-ink: none;
  }
  .mobile_btn_tail_txt{
      font-family: 'Pretendard';
      font-size: 12px;
      font-weight: 400;
      line-height: 18px;
      letter-spacing: -0.5px;
      text-align: left;
      text-decoration-skip-ink: none;
      color: #616161;
  }
  
  .nav{
      width: 80%;
      margin: 0 auto !important;
  }

  .nav_li a, .btn_sub a{
      font-family: 'Pretendard';
      font-size: 20px !important;
      font-weight: 500 !important;
      line-height: 30px !important;
      letter-spacing: -0.5px;
      text-decoration-skip-ink: none;
  }

  .btn_det a{
      font-family: 'Pretendard';
      font-size: 16px !important;
      font-weight: 300 !important;
      line-height: 24px !important;
      letter-spacing: -0.5px;
      text-align: left;
      text-decoration-skip-ink: none;
  }
}