/* include 공통 CSS */
  .about-heading {font-size: 3.5em; font-weight: 600; line-height: 1.4; letter-spacing: -0.03125em; text-align: center; color: var(--main-black); text-decoration: underline; text-decoration-color: var(--main-color); text-decoration-thickness: 6px; text-underline-offset: 0.25em;} 
  .sec__lead {font-size: 2em; font-weight: 500; line-height: 1.6; text-align: center; color: var(--main-black);}
  .sec__lead--sm {font-size: 1.75em;}
  @media (max-width:500px) {
    .about-heading {font-size: 3em;}
    .sec__lead br {display: none;}
    .sec__lead {font-size: 1.75em;}
    .sec__lead--sm {font-size: 1.5em;}
  }

  .formulation {padding-top: 6.25em; font-size: var(--fz);} /* 상단 100px */

  /* 공통 리드 */
  .formulation__lead {padding: 6.25em 0 4.6875em;}
  .formulation__lead-head {} /* 32px */
  .formulation__lead-body {margin-top: 2.222em; font-size: 1.125em; font-weight: 500; line-height: 1.7; text-align: center; color: var(--main-black);} /* 18px, 위 40px */

  /* 내부 탭 (1차탭 아님, 자동 depth3와 충돌 방지용 별도 클래스) */
  .form-tab {display: flex; gap: 2px; margin-top: 4.6875em; border-bottom: 1px solid var(--gray300);} /* 위 75px */
  .form-tab__btn {flex: 1; padding: 0.75em 0.25em; font-size: 1.125em; font-weight: 700; text-align: center; color: var(--gray800); background: var(--gray200); border: 0; cursor: pointer; transition: background 0.2s, color 0.2s;} /* 18px, pad 12/24 */
  .form-tab__btn--crt {color: #fff; background: var(--main-color);}

  /* 패널 */
  .form-panels {} /* 탭→제목 104px */
  .form-panel {margin-top: 6.5em;}
  .form-panel--active {display: block;}
  .form-panel__title {font-size: 2em; font-weight: 600; text-align: center; color: var(--main-black); text-decoration: underline; text-decoration-color: var(--main-color); text-decoration-thickness: 0.1em; text-underline-offset: 0.25em;} /* 32px */
  .form-panel__subtitle {margin-top: 1.6667em; font-size: 1.5em; font-weight: 600; text-align: center; color: var(--main-black);} /* 24px, 위 40px */

  .form-panel__images {display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25em; width: 57.875em; max-width: 100%; margin: 2.9375em auto 0;} /* 926px, gap 20px, 위 47px */
  .form-panel__thumb {aspect-ratio: 453 / 452; overflow: hidden;}
  .form-panel__img {width: 100%; height: 100%; object-fit: cover;}

  .form-panel__desc {margin-top: 2.5556em; font-size: 1.125em; font-weight: 500; line-height: 1.7; text-align: center; color: var(--main-black);} /* 18px, 위 46px */

  .form-panel__items {display: flex; align-items: center; justify-content: center; gap: 0.8333em; margin-top: 5.0833em; font-size: 1.5em;} /* 24px 기준, gap 20px, 위 122px */
  .form-panel__items-icon {width: 2em; height: 2em; object-fit: contain;} /* 48px */
  .form-panel__items-text {font-weight: 600; color: var(--main-black);}

  .form-panel__cards {display: grid; grid-template-columns: repeat(3, 1fr); gap: 3.75em; justify-items: center; width: 56.25em; max-width: 100%; margin: 2.5em auto 0;} /* 900px, gap 60px, 위 40px */
  .form-card {display: flex; flex-direction: column; align-items: center;}
  .form-card__thumb {position: relative; z-index: 1; width: 16.25em; height: 16.25em; overflow: hidden; border-radius: 50%;} /* 260px 원형 */
  .form-card__img {width: 100%; height: 100%; object-fit: cover;}
  .form-card__caption {flex: 1; display: flex; flex-direction: column; align-items: center; gap: 0.5em; width: 13.75em; min-height: 15em; margin-top: -6.25em; padding: 7.5em 1.25em 1.5em; text-align: center; background: #fff; border: 1px solid var(--main-black); border-radius: 0 0 3.75em 3.75em;} /* 220px, 겹침 -100px, pad 120/20/24, 하단 라운드 60px */
  .form-card__title {font-size: 1.125em; font-weight: 600; line-height: 1.7; color: var(--main-color);} /* 18px */
  .form-card__desc {font-size: 1.125em; font-weight: 500; line-height: 1.7; color: var(--main-black);} /* 18px */

  @media(max-width:768px){
    .form-tab {flex-direction: column;}
    .form-panel__images {grid-template-columns: 1fr;}
    .form-panel__cards {grid-template-columns: 1fr;}

    .form-panel__subtitle {font-size: 1.4em;}
  }
  @media (max-width:500px) {
    .formulation__lead-body br {display: none;}
    .form-panel__title {font-size: 1.75em;}
  }
/* 섹션 제목 */
.sec-title {display: flex; align-items: center; gap: 1.25em; font-size: var(--fz);} /* 장식↔글자 20px */
.sec-title::before {content: ""; flex-shrink: 0; width: 0.1875em; height: 2.25em; background: var(--main-color);} /* 3×36px 초록 장식 */
.sec-title__text {font-size: 2.5em; font-weight: 700; line-height: 1.6; color: var(--gray900);} /* 40px */
.sec-desc {margin-top: 1.5em; font-size: 1em; font-weight: 500; line-height: 1.8; color: var(--gray600);} /* 16px */

/************************* 공통 시작*************************/
.inner {width: 100%; max-width:1400px; margin: 0 auto; }
.inner--fill {max-width:none; padding-right: calc((100% - 1680px) / 2); padding-left: calc((100% - 1680px) / 2);}
.inner--1164 {max-width:1164px;}
@media (max-width:1720px) {
	.inner--fill {padding-right: 4%; padding-left: 4%;}
}
@media(max-width:1440px){
	.inner {padding: 0 4%;}
}

.sub-container {padding-bottom: 10em; min-height:5rem;}
/************************* 공통 끝 *************************/

/************************* header_inc 시작*************************/
.header__fix {position: fixed; left:0; top:0; z-index: 100;width:100%;  height: 6.25em; font-size: var(--fz); --menu-height : 0; transition: 0.15s ease-in-out all;}
.header__fix:after {position: absolute; content:''; top: 100%; left: 0; z-index: -1; width: 100%; height: var(--menu-height); background-color: rgba(255,255,255,0.7); transition: 0.15s ease-in-out all;}
.header__inner {display: flex; justify-content: space-between; align-items: center; height: inherit}
.header__ctrl {display: flex; align-items: center; height: inherit;}
@media (max-width:500px) {
  .header__fix {height: 5em;}
}
.header-home {display: block; width: 13.4375em; height: 3.75em; background: url('./img/top_logo_fff.svg') no-repeat center / 100%; transition: 0.15s ease-in-out all;}

.header-navi {position: relative; height: inherit; transition: .15s ease-in-out all;}
.header-navi__m-list {display: flex; height: inherit;}
.header-navi__m-item {height: inherit;}
.header-navi__m-item:last-child {margin-right: 0;}
.header-navi__m-btn {display: flex; align-items: center; height: inherit; text-align: center;}
.header-navi__m-item {position: relative;}
.header-navi__s-wrap {position: absolute; top: 100%; left: 50%; min-width: 150%; transform:translateX(-50%);}
.header-navi__s-list {transition: .15s ease-in-out all;}
.header-navi__s-btn {display: block;}
@media(max-width:1080px){
	.header-navi {display: none;}
}

.header-lang {position: relative; display: flex; align-items: center;  text-align:center; height: inherit; transition: .15s ease-in-out all;}
.header-lang__btn{display: flex; align-items:center; transition: 0.15s ease-in-out all;}
.header-lang__btn,
.header-lang__btn:link,
.header-lang__btn:visited {color: #fff;}
.header-lang__navi{position:absolute; top: 100%; left: 50%; transform:translateX(-50%); min-width:100%; height: 0; overflow: hidden;}
.header-lang__list {margin: 1em; background-color: rgba(0,0,0,0.5); border-radius: 0.5em; box-shadow:var(--shadow-1); transition: .15s ease-in-out all;}
.header-lang__link{padding:0.5em 1.5em; display: block; white-space: nowrap; transition: 0.15s ease-in-out all;}
.header-lang__link,
.header-lang__link:visited,
.header-lang__link:link {color: #fff;}
.header-lang__icon {width: 1.25em; filter:brightness(0) invert(1)}
@media(hover:hover){
	.header-lang__btn:hover {color: var(--main-color);}
	.header-lang__link:hover {color: var(--main-color);}
}
@media(max-width:1080px){
	.header-lang {display: none;}	
}

.header-login {margin-left: 1.5em;}
.header-login__list {display: flex; align-items: center;}
.header-login__item {margin-right: 1em;}
.header-login__item:last-child {margin-right: 0;}
.header-login__link {display: block; transition:.15s ease-in-out all;}
.header-login__link,
.header-login__link:visited,
.header-login__link:link {color: #fff;}
@media(hover:hover){
	.header-login__link:hover {color: var(--main-color);}
}
@media(max-width:1080px){
	.header-login{display: none;}	
}

.header-drawer {position: relative; display: flex; flex-direction: column; justify-content: center; align-items: center; width: 6.25em; aspect-ratio: 1; background-color: var(--main-color); margin-left: 1.5em;}
.header-drawer__btn {position: relative; width: 26px; height: 26px; z-index: 0; transition:.15s ease-in-out all;}
.header-drawer__line {position: absolute; left: 0; width: 100%; height: 2px; background-color: #fff; transition:.15s ease-in-out all;}
.header-drawer__line--top {top: 0;}
.header-drawer__line--middle {top: 50%; transform:translateY(-50%)}
.header-drawer__line--bottom {bottom: 0;}
@media(hover:hover){
	.header-drawer__btn:hover .header-drawer__line--top{left: -0.25em;}
	.header-drawer__btn:hover .header-drawer__line--middle{left: 0.25em;}
	.header-drawer__btn:hover .header-drawer__line--bottom{left: -0.125em;}
}
@media(max-width:500px){	
  .header-drawer {width: 5em;}
}
.header__fix.active .header-navi__m-btn {color: #fff;}

.header__fix.on .header-navi__m-btn {color: var(--main-black) !important;}
.header__fix.on .header-home {background-image: url('./img/top_logo.svg') !important;}
.header__fix.on .header-navi__m-btn--crt {color: var(--main-color) !important;}
.header__fix.enter .header-home {background-image: url('./img/top_logo.svg') !important;}
.header__fix.enter {background-color: #fff;}
.header__fix.enter .header-navi__m-btn {color: var(--main-black) !important;}
.header__fix.enter .header-navi__m-btn--crt {color: var(--main-color) !important;}
/* .header__fix.enter .header-navi__s-list {background-color: #fff;} */
/* .header__fix.enter .header-navi__s-btn {color: var(--main-black);} */
.header__fix.enter .header-navi__s-btn--crt {color: var(--main-color);}
.header__fix.enter .header-navi__c-btn {color: var(--gray600);}
.header__fix.enter .header-navi__c-btn--crt {color: var(--main-color);}
.header__fix.enter .header-lang__btn {color: var(--main-black);}
.header__fix.enter .header-lang__btn.on {color: var(--main-color);}
.header__fix.enter .header-lang__list {background-color: #fff;}
.header__fix.enter .header-lang__link {color: var(--main-black);}
.header__fix.enter .header-login__link {color: var(--main-black);}
/* .header__fix.enter .header-drawer__line {background-color: var(--main-black);} */
@media(hover:hover){
	.header__fix.enter .header-lang__link:hover {color: var(--main-color);}
}

/************************* header_inc 끝*************************/

/************************* sub-dropdown 시작 *************************/
.drop-menu {display: none; border-bottom:1px solid var(--main-gray);}
.drop-menu__inner {display: flex; border-right:1px solid var(--main-gray); border-left:1px solid var(--main-gray);}
.drop-menu__home {display: inline-flex; min-width: 3em; min-height: 3em; height: inherit; justify-content: center; align-items: center;}
.drop-menu__icon {width: 1.75em;}
.drop-menu__wrap {position: relative; z-index: 0; border-left:1px solid var(--main-gray);}
.drop-menu__wrap:last-child {border-right:1px solid var(--main-gray); }
.drop-menu__btn {display: flex; justify-content: space-between; align-items: center; min-width:15em; height: 100%; padding:0 0.15rem; font-weight: 500; transition:.15s ease-in-out all;}
.drop-menu__tit {display: block; font-size: 1.125em;}
.drop-menu__arr {margin-left: 1.5em; width: 0.75em; transition:.15s ease-in-out all;}
.drop-menu__navi {position: absolute; top: 100%; left: -1px; z-index: 10; width:calc(100% + 2px);  height: 0; overflow: hidden;}
.drop-menu__list {background-color: #fff; border:1px solid var(--main-gray);}
.drop-menu__link {display: block; padding:0.5em 0.15rem; transition:.15s ease-in-out all;}
@media(hover:hover){
	.drop-menu__link:hover {background-color: var(--main-color); color: #fff;}
}

.drop-menu__btn.on {background-color: var(--main-color); color: #fff;}
.drop-menu__btn.on .drop-menu__arr {filter:brightness(0) invert(1); transform:rotate(180deg);}

/************************* dropdown 끝 *************************/
/************************* tabmenu 시작 *************************/
.tab-menu {}
.tab-menu__inner {max-width:1240px;}
.tab-menu__list {display: flex; align-items: flex-end;}
.tab-menu__item {flex:1;}
.tab-menu__btn {padding: 1.1875em 0.5em; display: flex; justify-content: center; align-items: center; text-align: center; height: 100%; background-color: #fff; border-bottom: 1px solid #ddd; border-left: 1px solid #ddd; font-weight: 500; color: var(--gray900); transition: .15s ease-in-out all;}
.tab-menu__item:first-child .tab-menu__btn {border-left: 0;} 
.tab-menu__btn--crt {padding: 1.5625em 0.75em; background-color: var(--main-color); border-color: var(--main-color); font-weight: 700; color: #fff;}
.tab-menu__btn--crt,
.tab-menu__btn--crt:link,
.tab-menu__btn--crt:visited {color: #fff;}
@media(hover:hover){
	.tab-menu__btn:hover {padding: 1.5625em 0.75em; background-color: var(--main-color); border-color: var(--main-color); color: #fff;}
}
/************************* sub-tabmenu 끝 *************************/

/************************* depth3 시작 *************************/
.depth3 {width: 100%; border-bottom:1px solid var(--gray300);}
.depth3__inner {max-width:1164px;}
.depth3__list {display: flex; gap: 2px;}
.depth3__item {flex:1; display: flex;}
.depth3__btn {flex:1; display: flex; justify-content: center; align-items: center; padding:0.75em; font-size: 1.125em; font-weight: 700; text-align: center; color: var(--gray800); background-color: var(--gray200); transition:.15s ease all;}
.depth3__btn--crt {background-color: var(--main-color); color: #fff; border-color:transparent;}
@media(hover:hover){
	.depth3__btn:hover {background-color: var(--main-color); color: #fff;}
}
@media (max-width:768px) {
  .depth3__btn span {display: none;}
}
/************************* depth3 끝 *************************/


/************************* footer_inc 시작 *************************/
.footer {padding:2.5em 0; font-size: var(--fz); background-color: var(--gray900); color: var(--gray400);}
.footer__inner {position: relative;}

.footer__top {display: flex; flex-wrap:wrap; justify-content: space-between; align-items: center; gap:1em; padding-bottom: 1.25em; border-bottom:1px solid var(--gray600);}

.footer-menu {display: flex; flex-wrap:wrap; align-items:center; gap:1em 2em;}
.footer-menu__link {position: relative; font-size:0.875em; transition:.15s ease all;}
.footer-menu__link,
.footer-menu__link:visited,
.footer-menu__link:link {color: var(--gray400);}
.footer-menu__link:not(:last-child)::after {position: absolute; right:-1.25em; top:50%; transform:translateY(-50%); content:''; width:1px; height:0.75em; background-color: var(--gray600);}

.footer-util {display: flex; flex-wrap:wrap; align-items:center; gap:1em;}
.footer-util__link {font-size:0.875em; letter-spacing:-0.03125em; transition:.15s ease all;}
.footer-util__link,
.footer-util__link:visited,
.footer-util__link:link {color: var(--gray400);}
.footer-util__link--adm {opacity:0.8;}

.footer__bottom {display: flex; flex-wrap:wrap; justify-content: space-between; align-items: center; gap:1em; padding-top: 1.25em;}

.footer-company {display: flex; align-items: center; gap:3.5em;}
.footer-company__home {flex-shrink:0; display: inline-block;}
.footer-company__logo {width:8.5em;}
.footer-company__info {display: flex; flex-direction: column; gap:0.5em;}
.footer-company__row {display: flex; flex-wrap:wrap; align-items:center; gap:1em 2em;}
.footer-company__item {position: relative; font-size:0.875em; letter-spacing:-0.03125em; line-height:1.4;}
.footer-company__row .footer-company__item:not(:last-child)::after {position: absolute; right:-1.25em; top:50%; transform:translateY(-50%); content:''; width:1px; height:0.75em; background-color: var(--gray600);}
.footer-company__link {transition:.15s ease all;}
.footer-company__link,
.footer-company__link:visited,
.footer-company__link:link {color: var(--gray400);}

.footer__copyright {font-size:0.875em; letter-spacing:-0.03125em; color: var(--gray400);}

.footer-top {position: absolute; right:0; top:50%; transform:translateY(-50%); display: flex; flex-direction: column; justify-content:center; align-items:center; gap:0.25em; width:5em; height:5em; border-radius:2em; background-color: var(--gray600); color:#fff; cursor:pointer; transition:.15s ease all;}
.footer-top__arrow {width:0.9375em; height:1.25em;}
.footer-top__txt {font-size:0.875em; letter-spacing:-0.01em; color:#fff;}

@media(hover:hover){
	.footer-menu__link:hover {color: var(--main-color);}
	.footer-util__link:hover {color: var(--main-color);}
	.footer-company__link:hover {color: var(--main-color);}
	.footer-top:hover {background-color: var(--main-color);}
}

@media(max-width:768px){
	.footer__top {padding-right:0; padding-top:4em;}
	.footer__bottom {padding-right:0; row-gap:1.5em;}
	.footer-company {flex-direction: column; align-items: flex-start; gap:1.25em;}
	.footer-menu__link:not(:last-child)::after,
	.footer-company__row .footer-company__item:not(:last-child)::after {display: none;}
	.footer-top {top:0; transform:none; width:3.75em; height:3.75em;}
}

/************************* footer_inc 끝 *************************/


/************************* split-text *************************/
.split-text__word {font-size: inherit;}
.split-text__letter {display: inline-block; font-size: inherit;}
.split-text--no-delay .split-text__letter {transition-delay:0s !important; animation-delay:0s !important;}
/************************* page-title 시작*************************/
.page-title {display: flex; flex-direction: column; align-items: center; gap: 1.25em; padding: 6.875em 0; border-bottom: 1px solid var(--line); text-align: center;}
.page-title__ko {font-size: 3.25em; font-weight: 700; color: var(--gray900);}
.page-title__en {font-size: 1.25em; font-weight: 700; color: var(--main-color);}

.page-title:has(+ .sub-container .depth3) {border-bottom: 0; padding-bottom: 3.75em;}
.page-title:has(+ .sub-container .formulation__lead) {border-bottom: 1px solid var(--line); padding: 6.875em 0;}
.page-title:has(+ .sub-container .board-cate) {border-bottom: 0; padding-bottom: 3.75em;}

@media (max-width:768px) {
  .page-title {padding: 6em 0;}
  .page-title__ko {font-size: 3em;}
}
@media (max-width:500px) {
  .page-title__ko {font-size: 2.75em;}
}
/************************* page-title 끝*************************/