/* import nerdfont icon */
@import url('https://www.nerdfonts.com/assets/css/webfont.css');

/* import nanummsquare font */
@import url('https://cdn.jsdelivr.net/gh/moonspam/NanumSquare@2.0/nanumsquare.css');

@layer reset {
  
  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  } /* end of * */

  a {
    text-decoration: none;
  } /* end of a */

  ul {
    list-style: none;
  } /* end of ul */

  button {
    cursor: pointer;
    font: inherit;
  } /* end of button */

  img { 
    width: 100%; 
  }

  .container {
    max-width: 75rem;
    margin: 0 auto;
    padding: 0 0.3125rem;
  } /* end of .container */ 
} /* end of @layer reset */

@layer var {
  :root {
    --color-primary: #8d76b2;
    --color-secondary: #00c9a6; 
    --font-color1: #373737;
    --font-color2: #7A7A7A;
    --bg-color1: #cdcdcd;
    --bg-color2: #c3aaea;
    --bg-color3: #00816a;
    --bg-color4: #ffa383;
		--bg-color5: #fff;
    --bg-color6: #4682B4;
    --bg-color7: #f4f4f4;

    --bgcolor: white;
    --fgcolor: black;

    --border-color1: #e3e6ee;

    --font-size1: 1.5rem;
    --font-size2: 3rem;
    --font-size3: 1.25rem;
    --font-size4: 2.25rem;
    --font-size5: 0.9rem;
    --font-size6: 5rem;
    --font-size7: 1.875rem;
    --font-size8: 1.125rem;
    --font-size9: 1.5625rem;
    --font-size10: 2.5rem;
    --font-size11: 1.9rem;
    --font-size12: 2rem;
    --font-size13: 1.7rem;
    --font-size14: 1.15rem;
    --font-size15: 1.1rem;
    --font-size16: 0.8rem;
  } /* end of :root */ 
} /* end of @layer var */

@layer header { 
  header {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    z-index: 10;
    padding: 1rem 0;
    height: 6rem;
    transition: background-color 0.6s;
  } /* end of header */

  header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
  } /* end of header .container */

  header.header-bg {
    background-color: var(--bgcolor);
    border-bottom: 1px solid #000;
  } /* end of header.header-bg */

  header .menu {
    position: relative;
  } /* end of header .menu */

  header .menu-btn {
    display: none;
  } /* end of header .menu-btn */

  header .menu li {
    display: inline-block;
    font-weight: 700;
    font-size: 1rem;
    color: #fff;
  } /* end of header .menu li */

  header .menu > ul > li > a {
    padding: 1.25rem 0;
  } /* end of header .menu > ul > li > a */

  header .menu li:not(:last-child) {
    margin-right: 4.375rem;
  } /* end of header .menu li:not(:last-child) */

  header .menu a {
    display: block;
    line-height: 1.5;
  } /* end of header .menu a */

  header .menu li i {
    display: none;
  } /* end of header .menu . */

  header .menu li{
    position: relative;
  } /* end of header .menu li */

  header .menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 13rem;
    padding: 0.9rem 0;
    background-color: var(--bg-color4);
    box-shadow: 0 0 5px rgba(0, 0, 0, .5);
    z-index: 1;
    transform-origin: top;
    transform: scaleY(0);
    visibility: hidden;
    opacity: 0;
  } /* end of header .menu .sub-menu */

  header .menu li:hover > .sub-menu {
    opacity: 1;
    transform: none;
    visibility: visible;
    transition: all 0.5s ease;
  } /* end of header .menu li:hover > .sub-menu */

  header .menu .sub-menu a {
    padding: 0.375rem 1.5rem;
    font-size: var(--font-size5);
  } /* end of header .menu .sub-menu a */

  header .menu .sub-menu .dropdown > a {
    padding-right: 2.125rem;
  } /* end of header .menu .sub-menu .dropdown > a */

  /* ========== 외국어 홈피 버튼 설정 시작 ========== */ 
  header .language {
    position: relative;
    transition: all 3s ease-in-out;
    display: none;
  } /* end of header .language */

  header .language i {
    color: #fff;
    cursor: pointer;
  } /* end of header .language  */

  header .language .lang-drop {
    left: -1rem;
    top: 2rem;
    position: absolute;
    display: none;
    background-color: rgba(255, 255,255);
    padding: 0.5rem;
    border-radius: 10px;
    border: 1px solid #000;
  } /* end of header .menu .lang-drop */

  header .language.active .lang-drop {
    display: block;
  } /* end of header .language.active .lang-drop */

  header .language .lang-drop a {
    color: #000;
    font-size: 1rem;
    font-weight: 700;
    transition: color 0.3s ease-in-out;
  } /* end of header .language .lang-drop a */

  header .language .lang-drop a:hover {
    color: var(--color-primary);
  } /* end of header .language .lang-drop a:hover */
  /* ========== 외국어 홈피 버튼 설정 끝 ========== */ 

  header .menu li a {
    color: #fff;
    display: block;
    transition: color 0.3s;
  } /* end of header .menu .li a */

  header.header-bg .menu li a {
    color: #000;
  } /* end of header.header-bg .menu li a */

  header.header-bg .language span i {
    color: #000;
    cursor: pointer;
  } /* end of header.header-bg .language span i */

  header .menu li a:hover {
    color: var(--color-primary);
  } /* end of header .menu li a:hover */

  /* ========== Responsive ========== */ 
  /* 테블릿 가로 */ 
  @media (max-width: 992px) {
    header .menu {
      display: none;
    } /* end of header .menu */

    header .menu ul li {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      border-bottom: 1px solid var(--bg-color1);
    } /* end of header .menu ul li */

    header .menu ul li i {
      display: flex;
      position: absolute;
      align-items: center;
      justify-content: center;
      pointer-events: auto;
      top: 1.0625rem;
      right : 5px;
      border: 1px solid var(--bg-color1);
      cursor: pointer;
      padding: 7px;
    } /* end of header .menu ul li i */

    header .menu .dropdown.active > i {
      background-color: rgba(0, 0, 0, 0.25);
      transform: rotate(-90deg);
    } /* end of header .menu .dropdown.active > i */

    header .menu .sub-menu {
      position: static;
      opacity: 1;
      transform: none;
      visibility: visible;
      padding: 0;
      transition: none;
      box-shadow: none;
      width: 100%;
      display: none;
    } /* end of header .menu .sub-menu */

    header .menu .dropdown.active > .sub-menu {
      display: block;
    } /* end of header .menu .dropdown.active .sub-menu */

    header .menu .sub-menu li:last-child {
      border: none;
    } /* end of header .menu .sub-menu li:last-child */

    header .menu .sub-menu a {
      padding: 12px 0 12px 15px;
    } /* end of header .menu .sub-menu a */

    header .language {
      position: absolute;
      right: 6.25rem;
      display: none;
    } /* end of header .language */

    header .menu-btn {
      height: 2.5rem;
      width: 2.75rem;
      display: flex;
      align-items: center;
      justify-content: center;
      background-color: transparent;
      border: none;
      position: relative;
      z-index: 1;
    } /* end of header .menu-btn */

    header .menu-btn .line {
      position: absolute;
      height: 2px;
      width: 1.875rem;
      background-color: #fff;
      transition: 0.3s;
    } /* end of header .menu-btn .line */

    header .menu-btn .line-1 {
      transform: translateY(-8px);
    } /* end of header .menu-btn .line-1 */

    header .menu-btn .line-3 {
      transform: translateY(8px);
    } /* end of header .menu-btn .line-3 */

    header .menu-btn.active .line-1 {
      transform: translateY(0) rotate(45deg);
    } /* end of header .menu-btn.active .line-1 */

    header .menu-btn.active .line-2 {
      transform: translateX(-100%);
      opacity: 0;
      pointer-events: none;
    } /* end of header .menu-btn.active .line-2 */

    header .menu-btn.active .line-3 {
      transform: translateY(0) rotate(-45deg);
    } /* end of header .menu-btn.active .line-3 */

    header.header-bg .line {
      background-color: #000;
    } /* end of header.header-bg .menu-btn */

    header.header-bg .menu li i {
      color: #000;
    } /* end of header.header-bg .menu li a i */

    .darkmode  header.header-bg .container .menu-btn span {
      background-color: white;
    } /* end of header.header-bg .menu-btn span */

    header .menu {
      display: block;
      position: fixed;
      height: 100%;
      width: 17.5rem;
      right: -17.5rem;
      top: 0;
      background-color: var(--bg-color4);
      padding: 6rem 0 2.5rem;
      box-shadow: 0 0 10px hsla(0, 0%, 0%, 0.95);
      transition: right 0.3s ease-in-out;
    } /* end of header .menu */

    header .menu.open {
      right: 0;
    } /* end of header .menu */

    header .menu::before {
      content: '';
      position: absolute;
      left: 0;
      top: 0;
      width: 100%;
      height: 6rem;
      border-bottom: 1px solid var(--bg-color1);
    } /* end of header .menu::before */

    header .menu > ul {
      padding: 0 10px;
      height: 100%;
      overflow-y: auto;
    } /* end of header .menu > ul */

    header .menu li {
      display: block;
    } /* end of header .menu li */

    header .menu li:first-child {
      border-top: 1px solid var(--bg-color1);
    } /* end of header .menu li:first-child */

    header .menu .sub-menu li:first-child {
      border-top: 1px solid var(--bg-color1);
    } /* end of header .menu .sub-menu li:first-child */

    header .menu li:not(:last-child) {
      margin-right: 0;
    } /* end of header .menu li:not(:last-child) */

    header .menu a {
      padding: 0.75rem 1.875rem;
    } /* end of header .menu a */
  }

  /* 모바일 */ 
  @media (min-width: 360px) and (max-width: 574px){
    header .container .logo a img {
      width: 9rem;
    } /* end of header .container .logo a img */
  }
}

@layer footer {
  footer {
    width: 100%;
    height: 15rem;
    background-color: #000;
  } /* end of footer */ 

  footer .container {
    padding-top: 3.8125rem !important;
    display: grid;
    grid-template-columns: 1fr 36.375rem 1fr;
    gap: 1.875rem;
  } /* end of footer .container */ 

  footer .row img {
    width: 17.0625rem;
    height: 2.625rem;
  } /* end of footer .row img */ 

  footer .row p{
    color: #fff;
    font-size: 0.8rem;
    font-weight: 500;
    line-height: 1.2;
  } /* end of footer .row p */ 

  footer .row .up_text {
    margin-bottom: 2.9375rem;
  } /* end of footer .row .up_text */ 

  footer .row .text {
    position: relative;
  } /* end of footer .row .text */ 

  footer .row .text:after {
    position: absolute;
    top: 1.875rem;
    content: '';
    background-color: #fff;
    width: 2.75rem;
    height: 2px;
  } /* end of footer .row .text:after */ 

  footer .row .text p{
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
  } /* end of footer .row .text */ 

  footer .row .links {
    margin-top: 2.5rem;
  } /* end of footer .row .links */ 

  footer .row .links a{
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background-color: #fff;
    display: inline-block;
    margin-right: 0.75rem;
    position: relative;
  } /* end of footer .row .links */ 

  footer .row .links a i {
    padding-top: 0.6875rem !important;
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    text-align: center;
    line-height: 1.9;
    font-size: 1.5625rem;
    color: #000;
  } /* end of footer .row .link ul li a */ 

  #scroll-top-btn {
    position: fixed;
    right: 1.25rem;
    width: 3.125rem;
    height: 3.125rem;
    background-color: var(--bg-color6);
    font-size: 1.875rem; 
    border: none;
    outline: none;
    border-radius: 50%;
    color: var(--bg-color5);
    box-shadow: 0px 2px 5px 2px rgba(0, 0, 0, 0.5);
    visibility: hidden;
  } /* end of #scroll-top-btn */

  #scroll-top-btn.visible {
    bottom: 1.25rem;
    visibility: visible;
  } /* end of #scroll-top-btn.visible */

  #scroll-top-btn.visible > i {
    font-size: var(--font-size13);
  } /* end of #scroll-top-btn.visible i; */

  /* ========== Responsive ========== */ 
  /* 테블릿 가로 */ 
  @media (max-width: 992px) {
    footer .container {
      grid-template-columns: 1fr;
      text-align: center;
    } /* end of footer .container */

    footer {
      height: 28rem;
    } /* end of footer */

    footer .row:nth-child(1) {
      order: 1;
    } /* end of footer .row */

    footer .row:nth-child(2) {
      order: 3;
    } /* end of footer .row:nth-child(2) */

    footer .row:nth-child(3) {
      order: 2;
    } /* end of footer .row:nth-child(3) */

    footer .row .text:after {
      opacity: 0;
    } /* end of footer .row .text:ater */
  }
}

.darkmode {
  --color-primary: #8d76b2;
  --color-secondary: #00c9a6; 
  --font-color1: white;
  --font-color2: #7A7A7A;
  --bg-color1: #232327;
  --bg-color2: #c3aaea;
  --bg-color3: #00816a;
  --bg-color4: #aa9a94;
  --bg-color5: white;
  --bg-color6: #4682B4;
  --bg-color7: #f4f4f4;

  --bgcolor: black;
  --fgcolor: white;

  --border-color1: #e3e6ee;
} /* end of .darkmode */

body {
  font-family: 'NanumSquareAc', sans-serif;
  font-weight: bold;
  background-color: var(--bgcolor);
} /* end of body */ 

.darkmode .nav_title { 
  color: white;
}

.darkmode .header-bg {
  border-bottom: 1px solid var(--fgcolor);
} /* end of header.header-bg */

.darkmode footer {
  background-color: var(--bg-color1);
} /* end of .darkmode footer */