@charset "UTF-8";
/************************************************************************************/
/************************************* Colors *************************************/
/************************************************************************************/
:root {
  --white:#fff;
  --black:#000;
  --red:#9B0000;
  --blue:#0F0078;
  --light-blue:#5163c0;
  --deep-blue:#05014a;
  --orange:#ff9644;
  --gray-cd:#cdcdcd;
  --gray-af:#afafaf;
  --gray-e8:#e8e8e8;
  --gray-f8:#f8f8f8;
  --gray-d2:#d2d2d2;
  --gray-d4:#d4d4d4;
  --gray-d5:#d5d5d5;
  --gray-dd:#dddddd;
  --gray-f0:#f0f0f0;
  --gray-f1:#f1f1f1;
  --gray-f3:#f3f3f3;
  --gray-f7:#f7f7f7;
  --gray-7c:#7c7c7c;
  --gray-f8:#f8f8f8;
  --point-color:#2e55e7;
  --point01:#010A65;
  --schedule:#00B09C;
  --border-color:#d1d1d1;
  --history-color:#DBD2D2;
  --footer-bg:#1F1F28;
  --main-color:#bd2c21;
  --gray-point: #606060;
  --black-point:#352f36;
  --gray-bg: #f8f8f8;
  --gray-bg2: #f3f3f3;
  --gray-dark-bg: #eaeaea;
  /* color */
  --text-color:#121212;
  --primary: #131A7E;
  --primary-400: #2b379e;
  --primary-300: #3a49b4;
  --primary-200: #7680ca;
  --primary-100: #c4c7e9;
  --primary-000: #e7e9f6;
  --secondary1: #008DED;
  --secondary2: #21B7FF;
  --gray-100: #f5f5f5;
  --gray-200: #eeeeee;
  --gray-300: #d0d0d0;
  --gray-400: #ababab;
  --gray-500: #767676;
  --brd-c1: #d9d9d9;
  --brd-c2: #cdcdcd;
  --brd-c3: #f3f4f7;
  --brd-c4: #d4dfed;
  --c-red: #ec0000;
  --btn-gray:#6c757d;
  --mc: #2e55e7;
}

/* font-size */
/* absolute-center */
/* transition */
/* common */
html {
  font-size: 62.5%;
}

body {
  font-family: "Pretendard", sans-serif;
  font-weight: 400;
  line-height: 1.5;
  word-break: keep-all;
  font-size: 1.8rem;
}
@media (max-width: 1280px) {
  body {
    font-size: 1.6rem;
  }
}
@media (max-width: 767px) {
  body {
    font-size: 1.5rem;
  }
}
body a {
  color: var(--black);
  text-decoration: none;
}
@media (max-width: 1024px) {
  body {
    font-size: 1.6rem;
  }
}
@media (max-width: 768px) {
  body {
    font-size: 1.5rem;
  }
}
body:has(#modal.show) {
  overflow: hidden;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.4;
}

a, input, button, select {
  outline-offset: 2px;
  outline-color: var(--black);
}

/* ----------------------------------------
* common
* ----------------------------------------*/
.more-btn {
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  gap: 10px;
  padding-inline: 1.2em;
  min-width: 200px;
  min-height: 64px;
  border-radius: 100px;
  border: 1px solid var(--black);
  font-size: 1.6rem;
}
@media (max-width: 1280px) {
  .more-btn {
    font-size: 1.5rem;
  }
}
@media (max-width: 767px) {
  .more-btn {
    font-size: 1.4rem;
  }
}
.more-btn::after {
  content: "";
  display: block;
  width: 24px;
  height: 24px;
  background: url(/images/brtech/sub/arw_more.svg) no-repeat center/100%;
}
@media (max-width: 1280px) {
  .more-btn {
    min-height: 52px;
    min-width: 160px;
  }
}
@media (max-width: 767px) {
  .more-btn {
    min-height: 44px;
    min-width: 0;
  }
}
.more-btn.btn-white {
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--white);
}
.more-btn.btn-white::after {
  content: "";
  display: block;
  background-image: url(/images/brtech/sub/arw_more_w.svg);
}

/* table */
table {
  width: 100%;
}

.flex-center {
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}

.program-none-data {
  width: 100%;
  text-align: center;
  border: 1px solid var(--border-color);
  border-width: 1px 0;
  padding: 2.7rem 1rem;
}

.wrap-in {
  max-width: 1408px;
  margin: 0 auto;
}
@media (max-width: 1460px) {
  .wrap-in {
    max-width: 96%;
  }
}
@media (max-width: 767px) {
  .wrap-in {
    max-width: 94%;
  }
}
@media (max-width: 480px) {
  .wrap-in {
    max-width: 90%;
  }
}

.cont-bottom {
  margin-bottom: 7.5em;
}
@media (max-width: 1280px) {
  .cont-bottom {
    margin-bottom: 6em;
  }
}
@media (max-width: 767px) {
  .cont-bottom {
    margin-bottom: 4.5em;
  }
}

.bold-400 {
  font-weight: 400;
}

.bold-500 {
  font-weight: 500;
}

.bold-600 {
  font-weight: 600;
}

.bold-700 {
  font-weight: 700;
}

.c-pri {
  color: var(--primary);
}

/* 전체 로딩 화면 */
body.loading {
  overflow: hidden; /* 스크롤 잠금 */
}

#loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #111;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  z-index: 9999;
  color: #fff;
}

/* 회전 스피너 */
.spinner {
  width: 60px;
  height: 60px;
  border: 6px solid rgba(255, 255, 255, 0.2);
  border-top-color: #4fc3f7;
  border-radius: 50%;
  -webkit-animation: spin 1s linear infinite;
          animation: spin 1s linear infinite;
  margin-bottom: 20px;
}

@-webkit-keyframes spin {
  0% {
    -webkit-transform: rotate(0deg);
            transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
            transform: rotate(360deg);
  }
}

@keyframes spin {
  0% {
    -webkit-transform: rotate(0deg);
            transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
            transform: rotate(360deg);
  }
}
/* 로딩 텍스트 */
.loading-text {
  font-size: 1.2rem;
  letter-spacing: 1px;
}

.dots::after {
  content: ".";
  -webkit-animation: blink 1s steps(3, end) infinite;
          animation: blink 1s steps(3, end) infinite;
}

@-webkit-keyframes blink {
  0%, 20% {
    content: "";
  }
  40% {
    content: ".";
  }
  60% {
    content: "..";
  }
  80%, 100% {
    content: "...";
  }
}

@keyframes blink {
  0%, 20% {
    content: "";
  }
  40% {
    content: ".";
  }
  60% {
    content: "..";
  }
  80%, 100% {
    content: "...";
  }
}
/* 로딩 종료 시 fade out */
#loading.fade-out {
  opacity: 0;
  pointer-events: none;
  -webkit-transition: opacity 0.8s ease;
  transition: opacity 0.8s ease;
}

/* input-common */
.flex {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}

.gap-20 {
  gap: 20px;
}

/* list-dot */
.list-dot > li {
  position: relative;
  margin-bottom: 12px;
  padding-left: 0.78em;
  line-height: 1.6;
}
.list-dot > li::before {
  content: "";
  display: block;
  position: absolute;
  top: 12px;
  left: 0;
  width: 4px;
  height: 4px;
  background-color: var(--black);
  -ms-flex-negative: 0;
      flex-shrink: 0;
}
.list-dot > li:last-child {
  margin-bottom: 0;
}
@media screen and (max-width: 768px) {
  .list-dot > li {
    margin-bottom: 6px;
    padding-left: 0.624em;
  }
  .list-dot > li::before {
    width: 3px;
    height: 3px;
    top: 10px;
  }
}

/* ----------------------------------------
* header
* ----------------------------------------*/
:root {
  --header-height: 106px;
  --header-scr-height: 106px;
  --border-radius: 20px;
  --border-radius-s: 10px;
  --gap: 32px;
  --gap2: 20px;
  --gap3: 52px;
  --block-gap: 20px;
}
@media (max-width: 1460px) {
  :root {
    --header-padding: 2%;
  }
}
@media (max-width: 1280px) {
  :root {
    --header-height: 80px;
    --border-radius: 12px;
    --border-radius-s: 8px;
    --gap: 20px;
    --gap2: 16px;
    --gap3: 40px;
  }
}
@media (max-width: 767px) {
  :root {
    --border-radius: 8px;
    --border-radius-s: 6px;
    --gap: 16px;
    --gap2: 12px;
    --gap3: 28px;
    --block-gap: 1em;
  }
}
@media (max-width: 640px) {
  :root {
    --header-height: 60px;
  }
}

header {
  position: fixed;
  top: 0;
  left: 0;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  width: 100%;
  height: var(--header-height);
  padding-inline: 40px;
  z-index: 100;
  -webkit-transition: 0.3s ease-in-out;
  transition: 0.3s ease-in-out;
}
header .logo a {
  display: block;
  width: 133px;
  height: 50px;
  background: url(/images/brtech/common/logo_white.svg) no-repeat center/100%;
}
header .cont-wrap {
  margin-left: auto;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
header .header-nav {
  margin-right: 3.8em;
}
header .header-nav .close-nav {
  display: none;
}
header .header-nav .dep1-wrap {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
header .header-nav .dep1 {
  min-width: 140px;
  position: relative;
}
header .header-nav .dep1 > a {
  position: relative;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  height: var(--header-height);
  padding-inline: 2.75em;
  color: var(--white);
  font-weight: 600;
  -webkit-transition: 0.3s ease-in-out;
  transition: 0.3s ease-in-out;
}
header .header-nav .dep1 .dep2-wrap {
  display: none;
  position: absolute;
  top: calc(100% - var(--border-radius-s));
  left: 0;
  width: 100%;
  padding: 1em;
  background-color: var(--white);
  -webkit-box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
          box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
  border-radius: var(--border-radius-s);
}
header .header-nav .dep1 .dep2-wrap li a {
  display: inline-block;
  width: 100%;
  padding-block: 0.5em;
  text-align: center;
  color: var(--gray-500);
  -webkit-transition: 0.3s ease-in-out;
  transition: 0.3s ease-in-out;
  font-size: 1.5rem;
}
@media (max-width: 1280px) {
  header .header-nav .dep1 .dep2-wrap li a {
    font-size: 1.4rem;
  }
}
@media (max-width: 767px) {
  header .header-nav .dep1 .dep2-wrap li a {
    font-size: 1.3rem;
  }
}
header .header-nav .dep1 .dep2-wrap li a:hover {
  color: var(--black);
  text-decoration: underline;
  text-underline-offset: 3px;
}
header .header-nav .dep1.active > a {
  color: var(--secondary2);
}
header .lang-wrap {
  width: 60px;
  height: 40px;
}
header .lang-wrap .icon-lang {
  display: block;
  width: 40px;
  aspect-ratio: 1;
  margin: 0 auto;
  background: #A4B1C8 url(/images/brtech/common/icon_lang.svg) no-repeat center/40% 40%;
  border-radius: 50%;
  -webkit-transition: 0.3s ease-in-out;
  transition: 0.3s ease-in-out;
}
header .lang-wrap .lang-nav {
  display: none;
  padding: 0.5em;
  margin-top: 0.5em;
  position: absolute;
  width: 100%;
  top: 40px;
  background: var(--white);
  border-radius: 10px;
  -webkit-box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
          box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
  text-align: center;
}
header .lang-wrap .lang-nav li > a {
  color: var(--gray-500);
  font-size: 1.4rem;
}
@media (max-width: 1280px) {
  header .lang-wrap .lang-nav li > a {
    font-size: 1.3rem;
  }
}
@media (max-width: 767px) {
  header .lang-wrap .lang-nav li > a {
    font-size: 1.2rem;
  }
}
header .burger-wrap {
  width: 52px;
  aspect-ratio: 1;
  display: none;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-transition: 0.3s ease-in-out;
  transition: 0.3s ease-in-out;
}
header .burger-wrap .burger {
  width: 30px;
  height: 22px;
}
header .burger-wrap .burger span {
  position: absolute;
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--white);
}
header .burger-wrap .burger span:nth-child(2) {
  width: 80%;
  top: 50%;
  right: 0;
  margin-top: -1px;
}
header .burger-wrap .burger span:nth-child(3) {
  bottom: 0;
}
header.header-scroll, header:hover {
  background: rgb(255, 255, 255); /* 투명 흰색 */
}
header.header-scroll .logo a, header:hover .logo a {
  background-image: url(/images/brtech/common/logo.svg);
}
header.header-scroll .header-nav .dep1 > a, header:hover .header-nav .dep1 > a {
  color: var(--text-color);
}
header.header-scroll .header-nav .dep1.active > a, header:hover .header-nav .dep1.active > a {
  color: var(--secondary2);
}
header.header-scroll .lang-wrap .icon-lang, header:hover .lang-wrap .icon-lang {
  background-color: var(--gray-200);
  background-image: url(/images/brtech/common/icon_lang_b.svg);
}
header.header-scroll .burger-wrap .burger span, header:hover .burger-wrap .burger span {
  background-color: var(--text-color);
}
@media (max-width: 1480px) {
  header {
    padding-inline: 2%;
  }
}
@media (max-width: 1280px) {
  header .logo a {
    width: 106px;
    height: 40px;
  }
  header .header-nav {
    margin-right: 0;
  }
  header .header-nav .dep1-wrap {
    min-width: 120px;
  }
}
@media (max-width: 1024px) {
  header .header-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    margin-right: 0;
    width: 100%;
    height: 100vh;
    z-index: 10;
    background-color: var(--footer-bg);
  }
  header .header-nav .close-nav {
    display: block;
    position: absolute;
    top: 1.4em;
    right: 1.4em;
    width: 40px;
    height: 40px;
    background: url(/images/brtech/common/icon_close.svg) no-repeat center/60%;
  }
  header .header-nav .dep1-wrap {
    margin-top: 5em;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
  }
  header .header-nav .dep1 > a {
    height: auto;
    -webkit-box-pack: start;
        -ms-flex-pack: start;
            justify-content: flex-start;
    padding: 0.9em 1.5em;
    color: var(--white);
    font-weight: 500;
    font-size: 3.2rem;
  }
}
@media (max-width: 1024px) and (max-width: 1280px) {
  header .header-nav .dep1 > a {
    font-size: 2.6rem;
  }
}
@media (max-width: 1024px) and (max-width: 767px) {
  header .header-nav .dep1 > a {
    font-size: 2.2rem;
  }
}
@media (max-width: 1024px) {
  header .header-nav .dep1 > a::after {
    content: "";
    display: block;
    position: absolute;
    width: 24px;
    height: 24px;
    top: 50%;
    right: 1.2em;
    -webkit-transform: translateY(-50%);
            transform: translateY(-50%);
    background: url(/images/brtech/common/chevron-down.svg) no-repeat center/100%;
  }
  header .header-nav .dep1 .dep2-wrap {
    display: none;
    position: static;
    background-color: transparent;
    padding: 0 2em 1em;
  }
  header .header-nav .dep1 .dep2-wrap li a {
    padding-inline: 1em;
    text-align: left;
    color: var(--gray-300);
    font-size: 1.8rem;
  }
}
@media (max-width: 1024px) and (max-width: 1280px) {
  header .header-nav .dep1 .dep2-wrap li a {
    font-size: 1.6rem;
  }
}
@media (max-width: 1024px) and (max-width: 767px) {
  header .header-nav .dep1 .dep2-wrap li a {
    font-size: 1.5rem;
  }
}
@media (max-width: 1024px) {
  header .header-nav .dep1 .dep2-wrap li a:hover {
    color: var(--gray-300);
  }
  header .header-nav .dep1.active > a {
    color: var(--white);
  }
  header .header-nav .dep1.active > a::after {
    -webkit-transform: translateY(-50%) rotate(180deg);
            transform: translateY(-50%) rotate(180deg);
  }
  header .header-nav .dep1.active .dep2-wrap {
    display: block;
  }
  header .lang-wrap {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
  }
  header .lang-wrap .icon-lang {
    width: 36px;
    background-size: 50% 50%;
  }
  header .lang-wrap .lang-nav {
    top: 36px;
  }
  header .burger-wrap {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
  }
  header.header-scroll .header-nav .dep1 > a, header:hover .header-nav .dep1 > a {
    color: var(--white);
  }
  header.header-scroll .header-nav .dep1.active > a, header:hover .header-nav .dep1.active > a {
    color: var(--white);
  }
}
@media (max-width: 640px) {
  header {
    padding-inline: 4% calc(4% - 11px);
  }
  header .logo a {
    width: 86px;
    height: 32px;
  }
  header .lang-wrap {
    width: 40px;
  }
  header .lang-wrap .icon-lang {
    width: 28px;
    background-size: 50% 50%;
  }
  header .lang-wrap .lang-nav {
    width: 120%;
    top: 32px;
  }
  header .burger-wrap .burger {
    width: 26px;
    height: 20px;
  }
}

/* ----------------------------------------
* contact
* ----------------------------------------*/
.com-info {
  padding: 2em 1em;
  border-top: 1px solid var(--brd-c2);
  border-bottom: 1px solid var(--brd-c2);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 8px;
}
.com-info .item {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 8px;
}
.com-info .item span {
  font-weight: 600;
}
.com-info .item::before {
  content: "";
  display: block;
  width: 24px;
  height: 24px;
  -ms-flex-negative: 0;
      flex-shrink: 0;
  background: url(/images/brtech/sub/icon_pin.svg) no-repeat center/100%;
}
.com-info .item.tel::before {
  background-image: url(/images/brtech/sub/icon_tel.svg);
}
.com-info .item.fax::before {
  background-image: url(/images/brtech/sub/icon_fax.svg);
}

.contact {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 9%;
}
.contact .txt-wrap {
  width: 32.7%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
}
.contact .cont {
  margin-left: auto;
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
}
.contact .agree {
  margin-block: 1.78em 2.2em;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  font-size: 1.8rem;
}
@media (max-width: 1280px) {
  .contact .agree {
    font-size: 1.6rem;
  }
}
@media (max-width: 767px) {
  .contact .agree {
    font-size: 1.5rem;
  }
}
.contact .agree .agree-more {
  margin-left: 1em;
  display: inline-block;
  font-weight: 600;
  color: var(--secondary1);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.contact .btn-wrap button {
  margin-top: 1em;
  width: 100%;
  border-radius: 100px;
  background-color: var(--primary);
  color: var(--white);
}
@media (max-width: 1280px) {
  .contact {
    display: block;
  }
  .contact .txt-wrap {
    width: 100%;
  }
  .contact .txt-wrap .com-info {
    margin-top: 1em;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    gap: 1em 3em;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
  }
}
@media (max-width: 767px) {
  .contact .agree {
    font-size: 1.6rem;
  }
}
@media (max-width: 767px) and (max-width: 1280px) {
  .contact .agree {
    font-size: 1.5rem;
  }
}
@media (max-width: 767px) and (max-width: 767px) {
  .contact .agree {
    font-size: 1.4rem;
  }
}

.main-contact {
  padding-top: 7.5em;
}
.main-contact .txt-wrap .com-info {
  margin-top: auto;
}
.main-contact .ti-wrap h2 {
  line-height: 120%;
  font-family: "WorkSans";
  font-size: 6.8rem;
}
.main-contact .cont {
  margin-top: 2.2em;
}
@media (max-width: 1280px) {
  .main-contact {
    padding-top: 6.16em;
  }
  .main-contact .txt-wrap .com-info {
    margin-top: 1.1em;
  }
  .main-contact .ti-wrap h2 {
    font-family: "WorkSans";
    font-size: 5.4rem;
  }
}
@media (max-width: 767px) {
  .main-contact {
    padding-top: 4.62em;
  }
  .main-contact .ti-wrap h2 {
    font-family: "WorkSans";
    font-size: 4rem;
  }
}

.sub-contact .txt-wrap .com-info {
  margin-block: 1.1em 2.2em;
}

/* form-common */
.flex {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}

.flex-wrap {
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}

.gap-20 {
  gap: var(--block-gap);
}

.form-block .ti {
  margin-bottom: 0.5em;
  display: block;
  font-weight: 600;
  font-size: 2rem;
}
@media (max-width: 1280px) {
  .form-block .ti {
    font-size: 1.8rem;
  }
}
@media (max-width: 767px) {
  .form-block .ti {
    font-size: 1.7rem;
  }
}
@media (max-width: 480px) {
  .form-block .ti {
    margin-bottom: 0.3em;
    font-size: 1.8rem;
  }
}
@media (max-width: 480px) and (max-width: 1280px) {
  .form-block .ti {
    font-size: 1.6rem;
  }
}
@media (max-width: 480px) and (max-width: 767px) {
  .form-block .ti {
    font-size: 1.5rem;
  }
}

.w1-2 {
  width: calc((100% - var(--block-gap)) / 2);
}
@media (max-width: 480px) {
  .w1-2 {
    width: 100%;
  }
}

.w-full {
  width: 100%;
}

/* ----------------------------------------------- */
/* modal
/* ----------------------------------------------- */
.modal-wrap {
  display: none;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  width: 100%;
  height: 100%;
  position: fixed;
  left: 0px;
  top: 0px;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 1100;
}
.modal-wrap .inquiry_content {
  position: relative;
  width: 700px;
  max-width: 100%;
  height: auto !important;
  background: var(--white);
  -webkit-animation: fade-up 1s ease forwards;
          animation: fade-up 1s ease forwards;
}
@media (max-width: 768px) {
  .modal-wrap .inquiry_content {
    max-width: 92%;
    margin: 0 4%;
  }
}
.modal-wrap .inquiry_content a.inquiry_close {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #fff;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  position: absolute;
  top: -84px;
  left: 50%;
  margin-left: -32px;
}
@media (max-width: 768px) {
  .modal-wrap .inquiry_content a.inquiry_close {
    top: -76px;
    width: 56px;
    height: 56px;
    margin-left: -28px;
  }
}
.modal-wrap .inquiry_content a.inquiry_close span {
  width: 95%;
  height: 2px;
  background: #000;
  display: block;
}
.modal-wrap .inquiry_content a.inquiry_close span:first-child {
  -webkit-transform: translate(50%, 0) rotate(45deg);
          transform: translate(50%, 0) rotate(45deg);
}
.modal-wrap .inquiry_content a.inquiry_close span:last-child {
  -webkit-transform: translate(-50%, 0) rotate(-45deg);
          transform: translate(-50%, 0) rotate(-45deg);
}
.modal-wrap .inquiry_content .inquiry-btn-wrap {
  padding: 30px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.modal-wrap .inquiry_content .inquiry_apply {
  height: 450px;
  overflow: auto;
}
.modal-wrap .inquiry_content .inquiry_apply .privacy {
  padding: 3em;
}
@media (max-width: 768px) {
  .modal-wrap .inquiry_content .inquiry_apply .privacy {
    padding: 2em;
  }
}

/* ----------------------------------------
* footer
* ----------------------------------------*/
.to-top {
  position: fixed;
  bottom: 3em;
  right: 2em;
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--white) url(/images/brtech/common/arw_top.svg) no-repeat center/24px 24px;
  -webkit-box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
          box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
  z-index: 51;
}

footer {
  position: relative;
  margin-top: 10em;
  padding-block: 4.4em 5.5em;
  background-color: var(--footer-bg);
  border-radius: 2.2em 2.2em 0 0;
  z-index: 50;
}
footer .cont-in {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
}
footer .cont-in .logo {
  width: 163px;
  height: 61px;
  margin-right: 6.5em;
  background: url(/images/brtech/common/logo_gray.svg) no-repeat center/100%;
}
footer .cont-in .info-wrap {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
}
footer .cont-in .info {
  color: var(--white);
  font-size: 1.6rem;
}
@media (max-width: 1280px) {
  footer .cont-in .info {
    font-size: 1.5rem;
  }
}
@media (max-width: 767px) {
  footer .cont-in .info {
    font-size: 1.4rem;
  }
}
footer .cont-in .info .ti {
  font-weight: 500;
}
footer .cont-in .info .cont {
  width: 360px;
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  gap: 0.4em 2.5em;
  margin-top: 2em;
}
footer .cont-in .info .cont .block {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 1em;
}
footer .cont-in .info .cont span {
  font-weight: 500;
}
footer .cont-in .info .cont strong {
  font-weight: 400;
  color: #c5c5c5;
}
footer .cont-in .info .copyright {
  margin-top: 3.3em;
  color: var(--gray-500);
  font-weight: 300;
}
footer .cont-in .sns {
  margin-left: auto;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 10px;
}
footer .cont-in .sns .icon {
  width: 54px;
  height: 54px;
  background: url(/images/brtech/common/instagram_w.svg) no-repeat center/60% 60%;
}
footer .cont-in .sns .icon.youtube {
  background: url(/images/brtech/common/youtube_s_w.svg) no-repeat center/62.96% 44.44%;
}
footer .cont-in .sns .icon.facebook {
  background: url(/images/brtech/common/facebook_w.svg) no-repeat center/59.25% 59.03%;
}
@media (max-width: 1480px) {
  footer .cont-in {
    margin-inline: 4em;
  }
}
@media (max-width: 1280px) {
  footer .cont-in .logo {
    width: 130px;
    height: 48px;
  }
  footer .cont-in .info-wrap {
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
  }
  footer .cont-in .info {
    -webkit-box-ordinal-group: 3;
        -ms-flex-order: 2;
            order: 2;
  }
  footer .cont-in .info .cont {
    width: 80%;
  }
  footer .cont-in .sns {
    -webkit-box-ordinal-group: 2;
        -ms-flex-order: 1;
            order: 1;
    width: 100%;
    margin-left: -0.5em;
    padding-bottom: 2em;
  }
}
@media (max-width: 767px) {
  footer {
    padding-block: 3.52em 4.4em;
    border-radius: 1.8em 1.8em 0 0;
  }
  footer .cont-in {
    margin-inline: auto;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
  }
  footer .cont-in .logo {
    width: 97px;
    height: 36px;
    margin-right: 0;
  }
  footer .cont-in .info .cont {
    width: 100%;
  }
  footer .cont-in .sns {
    margin-top: 2em;
    margin-left: 0;
    padding-block: 2em;
    border-top: 1px solid var(--gray-500);
  }
  footer .cont-in .sns .icon {
    width: 44px;
    height: 44px;
  }
}

/* ----------------------------------------
* about-header
* ----------------------------------------*/
.about-header {
  height: 100vh;
}
.about-header .cont-ti {
  text-align: center;
  font-weight: 600;
  color: var(--primary);
  font-size: 5.6rem;
}
@media (max-width: 1280px) {
  .about-header .cont-ti {
    font-size: 4.4rem;
  }
}
@media (max-width: 767px) {
  .about-header .cont-ti {
    font-size: 3rem;
  }
}
.about-header .cont-ti span.cont-ti-txt1 {
  color: var(--black);
}
.about-header .about-cont {
  position: relative;
  width: 100%;
  padding-top: 42.6%;
  margin-top: 4.4em;
}
.about-header .about-cont .img {
  position: absolute;
  top: 0;
  left: 0;
  width: 48.86%;
  height: 100%;
  background: url(/images/brtech/sub/about01.jpg) no-repeat top center/cover;
  -webkit-transform-origin: left;
          transform-origin: left;
}
.about-header .about-cont .img1 {
  width: 100%;
}
.about-header .about-cont .img2 {
  background-image: url(/images/brtech/sub/about02.jpg);
}
.about-header .about-cont .img3 {
  background-image: url(/images/brtech/sub/about03.jpg);
}
.about-header .about-cont .dia-in {
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  width: 69.6%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10%;
  z-index: 20;
  text-align: center;
}
.about-header .about-cont .dia-in .cont {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  aspect-ratio: 1;
  border-radius: 200px;
  border: 2px dotted var(--white);
}
.about-header .about-cont .dia-in .cont span {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  text-align: center;
  width: 85%;
  aspect-ratio: 1;
  border-radius: 200px;
  font-weight: 600;
  font-family: "WorkSans";
  background-color: rgba(255, 255, 255, 0.3);
  color: var(--white);
  font-size: 2.8rem;
}
@media (max-width: 1280px) {
  .about-header .about-cont .dia-in .cont span {
    font-size: 2.2rem;
  }
}
@media (max-width: 767px) {
  .about-header .about-cont .dia-in .cont span {
    font-size: 2rem;
  }
}
.about-header .about-cont .txt {
  position: absolute;
  top: 0;
  right: 0;
  width: 51.14%;
  padding-left: 5.6%;
  height: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.about-header .about-cont .txt .eng {
  margin-bottom: 2em;
  padding: 2px 1em;
  -ms-flex-item-align: start;
      align-self: flex-start;
  background-color: var(--primary);
  border-radius: 100px;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  font-size: 1.6rem;
}
@media (max-width: 1280px) {
  .about-header .about-cont .txt .eng {
    font-size: 1.5rem;
  }
}
@media (max-width: 767px) {
  .about-header .about-cont .txt .eng {
    font-size: 1.4rem;
  }
}
.about-header .about-cont .txt p {
  margin-top: 1em;
  font-size: 2rem;
}
@media (max-width: 1280px) {
  .about-header .about-cont .txt p {
    font-size: 1.8rem;
  }
}
@media (max-width: 767px) {
  .about-header .about-cont .txt p {
    font-size: 1.7rem;
  }
}
.about-header .about-cont .txt p span {
  display: block;
}
@media (max-width: 1280px) {
  .about-header .about-cont .dia-in {
    width: 75%;
  }
}
@media (max-width: 1024px) {
  .about-header .about-cont .dia-in {
    width: 88%;
    gap: 6%;
  }
}
@media (max-width: 767px) {
  .about-header {
    height: auto;
  }
  .about-header .about-cont {
    padding-top: 0;
  }
  .about-header .about-cont .img,
  .about-header .about-cont .txt,
  .about-header .about-cont .dia-in {
    position: static;
  }
  .about-header .about-cont .dia-in {
    width: 100%;
    gap: 4%;
    margin-bottom: 2.5em;
    -webkit-transform: translate(0);
            transform: translate(0);
  }
  .about-header .about-cont .dia-in .cont {
    border-color: var(--gray-300);
  }
  .about-header .about-cont .dia-in .cont span {
    background-color: var(--secondary1);
  }
  .about-header .about-cont .img {
    position: relative;
    width: 100%;
    padding-top: 60%;
    overflow: hidden;
  }
  .about-header .about-cont .img img {
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    max-width: 120%;
    margin-top: 1em;
  }
  .about-header .about-cont .img.img1 img {
    max-width: 220%;
  }
  .about-header .about-cont .txt {
    width: 100%;
    padding-left: 0;
    padding-block: 2em 2.5em;
    text-align: center;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
  }
  .about-header .about-cont .txt .eng {
    -ms-flex-item-align: center;
        align-self: center;
    margin-bottom: 0.5em;
  }
}
@media (max-width: 480px) {
  .about-header .about-cont .dia-in {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    gap: 0 1em;
  }
  .about-header .about-cont .dia-in .cont {
    width: calc((100% - 1em) / 2);
  }
  .about-header .about-cont .dia-in .cont span {
    width: 90%;
    padding-inline: 0.5em;
    word-break: break-all;
    line-height: 100%;
    font-size: 2rem;
  }
}
@media (max-width: 480px) and (max-width: 1280px) {
  .about-header .about-cont .dia-in .cont span {
    font-size: 1.8rem;
  }
}
@media (max-width: 480px) and (max-width: 767px) {
  .about-header .about-cont .dia-in .cont span {
    font-size: 1.7rem;
  }
}
@media (max-width: 480px) {
  .about-header .about-cont .dia-in .cont:first-child {
    margin-left: calc(25% + 0.5em);
  }
  .about-header .about-cont .txt p span {
    display: inline;
  }
}

/* about-business */
.about-business-wrap-ani {
  position: relative;
}
.about-business-wrap-ani .about-business-wrap-ani-start {
  position: absolute;
  width: 100%;
  height: 190vh;
  margin-top: -90vh;
}

.about-business-wrap {
  padding-block: 10em;
  position: relative;
  overflow: hidden;
  width: 100%;
}
.about-business-wrap .business-bg01 {
  width: 81.04%;
  padding-top: 37.1%;
  position: absolute;
  left: -22.5%;
  -webkit-transform: rotate(12.5deg);
          transform: rotate(12.5deg);
  top: 15%;
  background: url(/images/brtech/sub/business_bg_circle.png) no-repeat center/100% 100%;
}
.about-business-wrap .business-bg02 {
  position: absolute;
  top: -10.5%;
  right: -10.5%;
  width: 40.41%;
  padding-top: 14.34%;
  background: url(/images/brtech/sub/business_bg_txt.png) no-repeat center/100% auto;
  z-index: 10;
}
@media (max-width: 1480px) {
  .about-business-wrap .business-bg02 {
    right: -3%;
  }
}
@media (max-width: 1024px) {
  .about-business-wrap .business-bg02 {
    top: -6.5%;
  }
}
@media (max-width: 767px) {
  .about-business-wrap {
    padding-top: 4.5em;
  }
  .about-business-wrap .business-bg02 {
    top: -1em;
  }
}
@media (max-width: 480px) {
  .about-business-wrap .business-bg02 {
    width: 50%;
    padding-top: 19.34%;
    top: 0;
  }
}

.about-business {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap);
}
.about-business .cont {
  position: relative;
  padding-top: 141.1%;
  background: url(/images/brtech/sub/business01.jpg) no-repeat center/cover;
}
.about-business .cont::before {
  content: "";
  display: block;
  width: 100%;
  height: 38%;
  position: absolute;
  bottom: 0;
  left: 0;
  background: -webkit-gradient(linear, left top, left bottom, from(rgba(0, 0, 0, 0)), to(rgba(0, 0, 0, 0.8)));
  background: linear-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.8));
}
.about-business .cont:nth-child(2) {
  background-image: url(/images/brtech/sub/business02.jpg);
}
.about-business .cont:nth-child(3) {
  background-image: url(/images/brtech/sub/business03.jpg);
}
.about-business .cont:nth-child(4) {
  background-image: url(/images/brtech/sub/business04.jpg);
}
.about-business .cont .txt {
  position: absolute;
  width: 100%;
  padding: 1.78em;
  bottom: 0;
  left: 0;
  color: var(--white);
}
.about-business .cont .txt h3 {
  font-weight: 600;
  font-size: 3.2rem;
}
@media (max-width: 1280px) {
  .about-business .cont .txt h3 {
    font-size: 2.6rem;
  }
}
@media (max-width: 767px) {
  .about-business .cont .txt h3 {
    font-size: 2.2rem;
  }
}
.about-business .cont .txt p {
  margin-top: 8px;
  font-weight: 300;
  font-size: 2rem;
}
@media (max-width: 1280px) {
  .about-business .cont .txt p {
    font-size: 1.8rem;
  }
}
@media (max-width: 767px) {
  .about-business .cont .txt p {
    font-size: 1.7rem;
  }
}
@media (max-width: 1024px) {
  .about-business {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-business .cont {
    padding-top: 80%;
  }
  .about-business .cont::before {
    height: 50%;
  }
}
@media (max-width: 480px) {
  .about-business {
    grid-template-columns: 1fr;
  }
}

/* about-partner */
.about-partner-wrap {
  margin-top: -10em;
}

.about-partner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap);
}
.about-partner .cont {
  padding: 2em;
  border: 1px solid var(--brd-c1);
}
@media (max-width: 1024px) {
  .about-partner {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 480px) {
  .about-partner {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* about-cetificate */
.about-certificate-wrap {
  padding-bottom: 12.2em;
  margin-bottom: -12.2em;
  background: url(/images/brtech/sub/certificate_bg.jpg) no-repeat center bottom/100% auto;
}

.about-certificate {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--gap);
}
.about-certificate .cont {
  border: 1px solid var(--brd-c1);
}
@media (max-width: 480px) {
  .about-certificate {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ----------------------------------------
* visual-wrap
* ----------------------------------------*/
.s-header {
  width: 100%;
  overflow: hidden;
  position: relative;
  height: 100vh;
  min-height: 552px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.s-header .s-header-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url(/images/brtech/sub/img_company.jpg) no-repeat center/cover;
  -webkit-transform-origin: center;
          transform-origin: center;
  -webkit-transform: scale(1.2);
          transform: scale(1.2);
  -webkit-animation: bgShrink 2.5s ease-out forwards;
          animation: bgShrink 2.5s ease-out forwards;
  will-change: transform;
}
.s-header .s-header-img.s-header-img45, .s-header .s-header-img.s-header-img63 {
  background-image: url(/images/brtech/sub/img_company.jpg);
}
.s-header .s-header-img.s-header-img49, .s-header .s-header-img.s-header-img73 {
  background-image: url(/images/brtech/sub/img_eco.jpg);
}
.s-header .s-header-img.s-header-img51, .s-header .s-header-img.s-header-img74 {
  background-image: url(/images/brtech/sub/img_robot.jpg);
}
.s-header .s-header-img.s-header-img52, .s-header .s-header-img.s-header-img65 {
  background-image: url(/images/brtech/sub/img_pr.jpg);
}
.s-header .s-header-img.s-header-img56, .s-header .s-header-img.s-header-img66 {
  background-image: url(/images/brtech/sub/img_case.jpg);
}
.s-header .s-header-img.s-header-img57, .s-header .s-header-img.s-header-img67 {
  background-image: url(/images/brtech/sub/img_contact.jpg);
}
.s-header .ti-wrap {
  color: var(--white);
  text-align: center;
}
.s-header .ti-wrap .s-ti {
  margin-bottom: 1em;
  font-family: "WorkSans";
  font-weight: 300;
  font-size: 2rem;
}
@media (max-width: 1280px) {
  .s-header .ti-wrap .s-ti {
    font-size: 1.8rem;
  }
}
@media (max-width: 767px) {
  .s-header .ti-wrap .s-ti {
    font-size: 1.7rem;
  }
}
.s-header .ti-wrap h1 {
  font-weight: 700;
  font-size: 5.6rem;
}
@media (max-width: 1280px) {
  .s-header .ti-wrap h1 {
    font-size: 4.4rem;
  }
}
@media (max-width: 767px) {
  .s-header .ti-wrap h1 {
    font-size: 3rem;
  }
}
.s-header .ti-wrap .line-wrap {
  position: relative;
  width: 1px;
  height: 120px;
  margin: 3.4em auto 0;
}
.s-header .ti-wrap .line-wrap .line {
  opacity: 0.9;
  width: 100%;
  height: 0;
  background-color: var(--white);
  -webkit-animation: lineDraw 4s ease-out forwards;
          animation: lineDraw 4s ease-out forwards;
  -webkit-transform-origin: top;
          transform-origin: top;
}
.s-header .ti-wrap .line-wrap .dot {
  position: absolute;
  top: 0;
  left: -2px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--white);
  -webkit-animation: dotMove 4s ease-out infinite;
          animation: dotMove 4s ease-out infinite;
  -webkit-transform-origin: top;
          transform-origin: top;
}
.s-header .lnb {
  position: absolute;
  bottom: 2em;
}
@media (min-width: 1920px) {
  .s-header {
    height: 920px;
  }
}
@media (max-width: 1280px) {
  .s-header .s-header-img.s-header-img51 {
    background-position: left 24% center;
  }
  .s-header .ti-wrap .line-wrap {
    height: 100px;
    margin: 25% auto 0;
  }
}
@media (max-width: 767px) {
  .s-header {
    height: 90vh;
  }
  .s-header .ti-wrap .s-ti {
    margin-bottom: 0.2em;
    font-size: 1.8rem;
  }
}
@media (max-width: 767px) and (max-width: 1280px) {
  .s-header .ti-wrap .s-ti {
    font-size: 1.6rem;
  }
}
@media (max-width: 767px) and (max-width: 767px) {
  .s-header .ti-wrap .s-ti {
    font-size: 1.5rem;
  }
}

.lnb {
  width: 100%;
  padding: 6px 10px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: rgba(1, 2, 2, 0.3); /* 투명 흰색 */
  backdrop-filter: blur(20px); /* 블러 효과 */
  -webkit-backdrop-filter: blur(20px); /* 사파리 호환 */
  border-radius: 100px;
}
.lnb li a {
  padding: 10px 0.7em;
  text-align: center;
  display: block;
  color: var(--white);
  font-size: 1.7rem;
}
@media (max-width: 1280px) {
  .lnb li a {
    font-size: 1.6rem;
  }
}
@media (max-width: 767px) {
  .lnb li a {
    font-size: 1.4rem;
  }
}
.lnb li a span {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  gap: 12px;
}
.lnb li a span::after {
  content: "";
  display: block;
  display: none;
  width: 24px;
  height: 24px;
  background: url(/images/brtech/sub/icon_lnb_arw.svg) no-repeat center/100% 100%;
}
.lnb li.active a {
  color: var(--text-color);
  background-color: var(--white);
  border-radius: 100px;
}
.lnb li.active a span::after {
  display: block;
}
.lnb.lnb2 {
  grid-template-columns: repeat(2, 1fr);
}
.lnb.lnb4 {
  grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 767px) {
  .lnb {
    padding-inline: 8px;
  }
  .lnb li a {
    line-height: 120%;
  }
  .lnb li a span {
    gap: 4px;
  }
  .lnb li a span::after {
    width: 16px;
    height: 16px;
  }
}
@media (max-width: 480px) {
  .lnb {
    width: auto;
    display: -webkit-inline-box;
    display: -ms-inline-flexbox;
    display: inline-flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    gap: 8px;
  }
  .lnb li a {
    display: inline-block;
  }
}

/* sub-container */
.sub-container {
  position: relative;
  margin-top: 8.8em;
}
@media (max-width: 1280px) {
  .sub-container {
    margin-top: 7.04em;
  }
}
@media (max-width: 767px) {
  .sub-container {
    margin-top: 5.28em;
  }
}

/* sub-header-line-animation */
@-webkit-keyframes bgShrink {
  0% {
    -webkit-transform: scale(1.2);
            transform: scale(1.2);
  }
  100% {
    -webkit-transform: scale(1);
            transform: scale(1);
  }
}
@keyframes bgShrink {
  0% {
    -webkit-transform: scale(1.2);
            transform: scale(1.2);
  }
  100% {
    -webkit-transform: scale(1);
            transform: scale(1);
  }
}
@-webkit-keyframes lineDraw {
  0% {
    height: 0;
  }
  90% {
    height: 100%;
  }
  100% {
    height: 100%;
  }
}
@keyframes lineDraw {
  0% {
    height: 0;
  }
  90% {
    height: 100%;
  }
  100% {
    height: 100%;
  }
}
@-webkit-keyframes dotMove {
  0% {
    top: 0;
  }
  70% {
    opacity: 1;
  }
  90% {
    top: calc(100% - 2px);
  }
  100% {
    top: calc(100% - 2px);
    opacity: 0;
  }
}
@keyframes dotMove {
  0% {
    top: 0;
  }
  70% {
    opacity: 1;
  }
  90% {
    top: calc(100% - 2px);
  }
  100% {
    top: calc(100% - 2px);
    opacity: 0;
  }
}
/* ----------------------------------------
* common
* ----------------------------------------*/
/* h-style */
.h-sty-large {
  margin-bottom: 0.5em;
  color: var(--black);
  line-height: 140%;
  font-weight: 600;
  font-size: 4.4rem;
}
@media (max-width: 1280px) {
  .h-sty-large {
    font-size: 3.3rem;
  }
}
@media (max-width: 767px) {
  .h-sty-large {
    font-size: 2.9rem;
  }
}

.h-sty-medium {
  margin-bottom: 0.5em;
  color: var(--black);
  line-height: 140%;
  font-weight: 600;
  font-size: 3.6rem;
}
@media (max-width: 1280px) {
  .h-sty-medium {
    font-size: 2.8rem;
  }
}
@media (max-width: 767px) {
  .h-sty-medium {
    font-size: 2.4rem;
  }
}

/* ready */
.cont-ready {
  padding: 2em;
  text-align: center;
  min-height: 360px;
  font-weight: 600;
  font-size: 3.6rem;
}
@media (max-width: 1280px) {
  .cont-ready {
    font-size: 2.8rem;
  }
}
@media (max-width: 767px) {
  .cont-ready {
    font-size: 2.4rem;
  }
}
.cont-ready .img {
  width: 100px;
  aspect-ratio: 1;
  margin: 0 auto 1em;
  background: url(/images/brtech/sub/ready2.svg) no-repeat center/100%;
}

/* tab */
.tab-com {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 8px;
  margin-bottom: 2.2em;
}
.tab-com .tab-cont {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  min-width: 200px;
  min-height: 60px;
  text-align: center;
  border: 1px solid var(--brd-c1);
  border-radius: 8px;
  font-weight: 500;
  color: var(--gray-500);
  font-size: 1.7rem;
}
@media (max-width: 1280px) {
  .tab-com .tab-cont {
    font-size: 1.6rem;
  }
}
@media (max-width: 767px) {
  .tab-com .tab-cont {
    font-size: 1.4rem;
  }
}
.tab-com .tab-cont.active {
  color: var(--white);
  background-color: var(--text-color);
  border-color: var(--text-color);
}
@media (max-width: 1280px) {
  .tab-com .tab-cont {
    min-height: 52px;
    min-width: 160px;
  }
}
@media (max-width: 767px) {
  .tab-com .tab-cont {
    min-height: 44px;
    min-width: 120px;
  }
}

/* ----------------------------------------
* e-co_painter
* ----------------------------------------*/
.ecoPainer-header .cont-ti {
  text-align: center;
  font-weight: 600;
  color: var(--primary);
  font-size: 5.6rem;
}
@media (max-width: 1280px) {
  .ecoPainer-header .cont-ti {
    font-size: 4.4rem;
  }
}
@media (max-width: 767px) {
  .ecoPainer-header .cont-ti {
    font-size: 3rem;
  }
}
.ecoPainer-header .cont-ti span {
  color: var(--black);
}
.ecoPainer-header #subVideo {
  width: 100%;
  margin-top: 4.4em;
}

.ecoPainter-anistart {
  position: absolute;
  left: 0;
  top: -50vh;
  width: 100%;
  height: 50vh;
}

.ecoPainter-cont-wrap .ecoPainter-cont-wrap-start {
  height: 90vh;
  max-width: 1408px;
  margin: 0 auto;
}
.ecoPainter-cont-wrap .ecoPainter-cont {
  position: relative;
  width: 100%;
  padding-top: 42.6%;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
}
.ecoPainter-cont-wrap .ecoPainter-cont .img {
  position: absolute;
  top: 0;
  left: 0;
  width: 48.86%;
  height: 100%;
  -webkit-transform-origin: left;
          transform-origin: left;
  background: url(/images/brtech/sub/eco_painter01.jpg) no-repeat top center/cover;
}
.ecoPainter-cont-wrap .ecoPainter-cont .img.img2 {
  background-image: url(/images/brtech/sub/eco_painter02.jpg);
}
.ecoPainter-cont-wrap .ecoPainter-cont .img.img3 {
  background-image: url(/images/brtech/sub/eco_painter03.jpg);
}
.ecoPainter-cont-wrap .ecoPainter-cont .txt {
  position: absolute;
  top: 0;
  right: 0;
  width: 51.14%;
  padding-left: 5.6%;
  height: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.ecoPainter-cont-wrap .ecoPainter-cont .txt .eng {
  margin-bottom: 2em;
  padding: 2px 1em;
  -ms-flex-item-align: start;
      align-self: flex-start;
  background-color: var(--primary);
  border-radius: 100px;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  font-size: 1.6rem;
}
@media (max-width: 1280px) {
  .ecoPainter-cont-wrap .ecoPainter-cont .txt .eng {
    font-size: 1.5rem;
  }
}
@media (max-width: 767px) {
  .ecoPainter-cont-wrap .ecoPainter-cont .txt .eng {
    font-size: 1.4rem;
  }
}
.ecoPainter-cont-wrap .ecoPainter-cont .txt p {
  margin-top: 1em;
  font-size: 2rem;
}
@media (max-width: 1280px) {
  .ecoPainter-cont-wrap .ecoPainter-cont .txt p {
    font-size: 1.8rem;
  }
}
@media (max-width: 767px) {
  .ecoPainter-cont-wrap .ecoPainter-cont .txt p {
    font-size: 1.7rem;
  }
}
.ecoPainter-cont-wrap .ecoPainter-cont .txt p span {
  display: block;
}
@media (max-width: 767px) {
  .ecoPainter-cont-wrap .ecoPainter-cont-wrap-start {
    height: auto;
  }
  .ecoPainter-cont-wrap .ecoPainter-cont {
    padding-top: 0;
    top: 0;
    left: 0;
    -webkit-transform: translate(0, 0);
            transform: translate(0, 0);
    margin-top: 4em;
  }
  .ecoPainter-cont-wrap .ecoPainter-cont .img,
  .ecoPainter-cont-wrap .ecoPainter-cont .txt {
    position: static;
  }
  .ecoPainter-cont-wrap .ecoPainter-cont .img {
    position: relative;
    width: 100%;
    height: auto;
    padding-top: 60%;
    overflow: hidden;
  }
  .ecoPainter-cont-wrap .ecoPainter-cont .img.img1 {
    background-image: url(/images/brtech/sub/eco_painter01_m.jpg);
  }
  .ecoPainter-cont-wrap .ecoPainter-cont .img.img2 {
    background-image: url(/images/brtech/sub/eco_painter02_m.jpg);
  }
  .ecoPainter-cont-wrap .ecoPainter-cont .img.img3 {
    background-image: url(/images/brtech/sub/eco_painter03_m.jpg);
  }
  .ecoPainter-cont-wrap .ecoPainter-cont .txt {
    width: 100%;
    height: auto;
    padding-left: 0;
    padding-block: 2em 3.2em;
    text-align: center;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
  }
  .ecoPainter-cont-wrap .ecoPainter-cont .txt p {
    margin-top: 0;
  }
}

.ecoSkill-wrap {
  height: calc(100vh - var(--header-height));
  position: relative;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  overflow: hidden;
  background: url(/images/brtech/sub/ecoskill_bg2.jpg) no-repeat center/cover;
}
.ecoSkill-wrap .ecoskill-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  width: 100%;
  padding-top: 48.96%;
  background: url(/images/brtech/sub/ecoskill_bg.png) no-repeat center/100%;
}
.ecoSkill-wrap .ecoskill-bg .check-point {
  position: absolute;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.ecoSkill-wrap .ecoskill-bg .check-point .in {
  width: 52px;
  aspect-ratio: 1;
  border-radius: 100px;
  background: var(--white) url(/images/brtech/common/icon_check.svg) no-repeat center/32px 32px;
}
.ecoSkill-wrap .ecoskill-bg .check-point .in::before {
  content: "";
  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  width: 131%;
  aspect-ratio: 1;
  border-radius: 100px;
  background-color: rgba(255, 255, 255, 0.3);
}
.ecoSkill-wrap .ecoskill-bg .check-point.point1 {
  top: 25.2%;
  right: 25.3%;
}
.ecoSkill-wrap .ecoskill-bg .check-point.point2 {
  top: 61.4%;
  right: 18.3%;
}
.ecoSkill-wrap .ecoskill-bg .check-point.point3 {
  top: 44%;
  right: 36.4%;
}
.ecoSkill-wrap .sikll-cont {
  width: 73.3%;
  position: absolute;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
}
.ecoSkill-wrap .sikll-cont .h-sty-large {
  margin-bottom: 1.3em;
}
.ecoSkill-wrap .sikll-cont .cont-wrap .cont {
  position: absolute;
  top: 0;
  left: 0;
  width: 45.45%;
}
.ecoSkill-wrap .sikll-cont .cont-wrap .cont .img {
  width: 100%;
  padding-top: 50%;
  background: url(/images/brtech/sub/eco_skill01.jpg) no-repeat center/cover;
}
.ecoSkill-wrap .sikll-cont .cont-wrap .cont .img.img2 {
  background-image: url(/images/brtech/sub/eco_skill02.jpg);
}
.ecoSkill-wrap .sikll-cont .cont-wrap .cont .img.img3 {
  background-image: url(/images/brtech/sub/eco_skill03.jpg);
}
.ecoSkill-wrap .sikll-cont .cont-wrap .cont .txt {
  padding: 2em;
  background-color: var(--white);
}
.ecoSkill-wrap .sikll-cont .cont-wrap .cont .txt h3 {
  margin-bottom: 0.6em;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  font-weight: 600;
  font-size: 2.4rem;
}
@media (max-width: 1280px) {
  .ecoSkill-wrap .sikll-cont .cont-wrap .cont .txt h3 {
    font-size: 2rem;
  }
}
@media (max-width: 767px) {
  .ecoSkill-wrap .sikll-cont .cont-wrap .cont .txt h3 {
    font-size: 1.8rem;
  }
}
.ecoSkill-wrap .sikll-cont .cont-wrap .cont .txt h3 span {
  padding-right: 0.5em;
  margin-right: 0.5em;
  border-right: 1px solid var(--gray-500);
}
.ecoSkill-wrap .sikll-cont .cont-wrap .cont.cont1 {
  position: static;
  opacity: 1;
}
.ecoSkill-wrap .sikll-cont .cont-wrap .cont.cont2 {
  opacity: 1;
}
@media (max-width: 1408px) {
  .ecoSkill-wrap .sikll-cont {
    width: 90%;
  }
}
@media (max-width: 1208px) {
  .ecoSkill-wrap .ecoskill-bg .check-point .in {
    width: 40px;
  }
  .ecoSkill-wrap .ecoskill-bg .check-point .in::before {
    width: 150%;
  }
}
@media (max-width: 1024px) {
  .ecoSkill-wrap {
    height: 80vh;
  }
  .ecoSkill-wrap .ecoskill-bg .check-point .in {
    width: 32px;
  }
}
@media (max-width: 767px) {
  .ecoSkill-wrap {
    height: auto;
    display: block;
    background-size: 200% 200%;
    background-position: right center;
    padding-bottom: 6em;
  }
  .ecoSkill-wrap .ecoskill-bg {
    width: 100%;
    padding-top: 100%;
    position: relative;
    left: 0;
    background-image: url(/images/brtech/sub/ecoskill_bg_m.png);
    -webkit-transform: translate(0, 0);
            transform: translate(0, 0);
  }
  .ecoSkill-wrap .ecoskill-bg .check-point.point1 {
    top: 22.2%;
    right: 42.3%;
  }
  .ecoSkill-wrap .ecoskill-bg .check-point.point2 {
    top: 59%;
    right: 24%;
  }
  .ecoSkill-wrap .ecoskill-bg .check-point.point3 {
    top: 44%;
    right: auto;
    left: 20%;
  }
  .ecoSkill-wrap .sikll-cont {
    position: static;
    margin: 0 auto;
  }
  .ecoSkill-wrap .sikll-cont .h-sty-large {
    margin-bottom: 1em;
  }
  .ecoSkill-wrap .sikll-cont .cont-wrap {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    gap: 1em;
  }
  .ecoSkill-wrap .sikll-cont .cont-wrap .cont {
    width: 100%;
    position: static;
  }
  .ecoSkill-wrap .sikll-cont .cont-wrap .cont.cont1 {
    position: static;
    opacity: 1;
  }
  .ecoSkill-wrap .sikll-cont .cont-wrap .cont.cont2 {
    opacity: 1;
  }
}

/* function */
.function-sld-wrap2 {
  margin-left: calc((100% - 1408px) / 2);
  overflow: hidden;
}
.function-sld-wrap2 .cont-wrap {
  width: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.function-sld-wrap2 .ti-wrap {
  width: 366px;
  -ms-flex-negative: 0;
      flex-shrink: 0;
  margin-top: 2em;
}
.function-sld-wrap2 .ti-wrap .arw-cont {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  font-size: 2rem;
}
@media (max-width: 1280px) {
  .function-sld-wrap2 .ti-wrap .arw-cont {
    font-size: 1.8rem;
  }
}
@media (max-width: 767px) {
  .function-sld-wrap2 .ti-wrap .arw-cont {
    font-size: 1.7rem;
  }
}
.function-sld-wrap2 .ti-wrap .arw-cont .num {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 8px;
  color: var(--gray-500);
  margin-right: 1em;
}
.function-sld-wrap2 .ti-wrap .arw-cont .num .active {
  font-weight: 600;
  color: var(--black);
}
.function-sld-wrap2 .ti-wrap .arw-cont .num .dash {
  width: 8px;
  height: 20px;
  background: url(/images/brtech/sub/sld_dash.svg) no-repeat center/100%;
}
.function-sld-wrap2 .ti-wrap .arw-cont .sld-arw {
  width: 36px;
  height: 36px;
  background: url(/images/brtech/sub/arw_sld_prev.svg) no-repeat center/100%;
}
.function-sld-wrap2 .ti-wrap .arw-cont .sld-arw.arw-next {
  background-image: url(/images/brtech/sub/arw_sld_next.svg);
}
.function-sld-wrap2 .function-sld2 {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  width: 1584px;
}
.function-sld-wrap2 .function-sld2 .slick-list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: stretch;
      -ms-flex-align: stretch;
          align-items: stretch;
  padding-block: 2em;
  padding-inline: 2.2em;
}
.function-sld-wrap2 .function-sld2 .slick-track {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: stretch;
      -ms-flex-align: stretch;
          align-items: stretch;
  margin-left: -1.1em;
}
.function-sld-wrap2 .function-sld2 .cont {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-pack: start;
      -ms-flex-pack: start;
          justify-content: flex-start;
  height: 100%;
  padding: 2.2em;
  border: 1px solid var(--brd-c1);
  margin-inline: 1.1em;
  -webkit-transition: 0.3s ease-in-out;
  transition: 0.3s ease-in-out;
}
.function-sld-wrap2 .function-sld2 .cont .txt {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  font-weight: 600;
  font-size: 2.4rem;
}
@media (max-width: 1280px) {
  .function-sld-wrap2 .function-sld2 .cont .txt {
    font-size: 2rem;
  }
}
@media (max-width: 767px) {
  .function-sld-wrap2 .function-sld2 .cont .txt {
    font-size: 1.8rem;
  }
}
.function-sld-wrap2 .function-sld2 .cont .txt span {
  display: inline-block;
  margin-right: 1em;
  padding-right: 1em;
  border-right: 1px solid var(--black);
}
.function-sld-wrap2 .function-sld2 .cont .img {
  width: 280px;
  aspect-ratio: 1;
  margin: 1.78em auto;
  border-radius: 300px;
  overflow: hidden;
}
.function-sld-wrap2 .function-sld2 .cont.slick-current {
  background-color: var(--primary);
  border: 1px solid var(--primary);
  -webkit-box-shadow: 0 4px 30px rgba(0, 0, 0, 0.25);
          box-shadow: 0 4px 30px rgba(0, 0, 0, 0.25);
}
.function-sld-wrap2 .function-sld2 .cont.slick-current .txt,
.function-sld-wrap2 .function-sld2 .cont.slick-current p {
  color: var(--white);
}
.function-sld-wrap2 .function-sld2 .cont.slick-current .txt span {
  border-color: var(--white);
}
@media (max-width: 1480px) {
  .function-sld-wrap2 {
    margin-left: 2%;
  }
  .function-sld-wrap2 .ti-wrap {
    width: 20%;
  }
  .function-sld-wrap2 .function-sld2 {
    width: 108%;
  }
  .function-sld-wrap2 .function-sld2 .cont .img {
    width: 60%;
  }
}
@media (max-width: 1280px) {
  .function-sld-wrap2 {
    margin-left: 0;
  }
  .function-sld-wrap2 .cont-wrap {
    display: block;
  }
  .function-sld-wrap2 .ti-wrap {
    width: 96%;
    margin: 0 auto;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
  }
  .function-sld-wrap2 .ti-wrap .h-sty-large {
    margin-right: 1em;
    margin-bottom: 0.5em;
  }
  .function-sld-wrap2 .function-sld2 {
    width: 120%;
  }
}
@media (max-width: 767px) {
  .function-sld-wrap2 .ti-wrap {
    width: 94%;
  }
  .function-sld-wrap2 .function-sld2 {
    width: 140%;
  }
  .function-sld-wrap2 .function-sld2 .cont {
    margin-left: 0.65em;
  }
}
@media (max-width: 600px) {
  .function-sld-wrap2 .function-sld2 {
    width: 180%;
  }
}
@media (max-width: 480px) {
  .function-sld-wrap2 .ti-wrap {
    width: 90%;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
  }
  .function-sld-wrap2 .ti-wrap .arw-cont {
    margin-left: 2px;
  }
}
@media (max-width: 320px) {
  .function-sld-wrap2 .function-sld2 {
    width: 200%;
  }
  .function-sld-wrap2 .function-sld2 .cont .img {
    width: 200px;
  }
}

.function-bg {
  padding-top: 8.8em;
  background: url(/images/brtech/sub/function_bg.png) no-repeat top center/cover;
}
@media (max-width: 1280px) {
  .function-bg {
    padding-top: 6.16em;
  }
}
@media (max-width: 480) {
  .function-bg {
    padding-top: 4.62em;
  }
}

/*  효율 */
.efficiency-wrap {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  padding-block: 7.7em;
}
.efficiency-wrap .ti-wrap {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  padding-right: 3em;
}
.efficiency-wrap .ti-wrap .ti {
  font-weight: 700;
  line-height: 1.2;
  font-size: 5.6rem;
}
@media (max-width: 1280px) {
  .efficiency-wrap .ti-wrap .ti {
    font-size: 4.4rem;
  }
}
@media (max-width: 767px) {
  .efficiency-wrap .ti-wrap .ti {
    font-size: 3rem;
  }
}
.efficiency-wrap .ti-wrap .ti .gradient {
  background: -webkit-gradient(linear, left top, right top, from(var(--primary)), to(#FF217A));
  background: linear-gradient(to right, var(--primary), #FF217A);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.efficiency-wrap .ti-wrap p {
  margin-top: 1.77em;
  color: var(--text-color);
}
.efficiency-wrap .table-wrap .img-pc {
  max-width: 888px;
}
.efficiency-wrap .table-wrap .img-m {
  display: none;
  max-width: 600px;
}
@media (max-width: 1440px) {
  .efficiency-wrap .ti-wrap {
    width: 30%;
  }
  .efficiency-wrap .table-wrap {
    width: 70%;
  }
}
@media (max-width: 1280px) {
  .efficiency-wrap {
    padding-block: 6.16em;
  }
}
@media (max-width: 1024px) {
  .efficiency-wrap .ti-wrap {
    width: 40%;
  }
  .efficiency-wrap .table-wrap {
    width: 60%;
  }
  .efficiency-wrap .table-wrap .img-pc {
    display: none;
  }
  .efficiency-wrap .table-wrap .img-m {
    display: block;
  }
}
@media (max-width: 767px) {
  .efficiency-wrap {
    padding-block: 4.62em;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
  }
  .efficiency-wrap .ti-wrap {
    width: 100%;
    padding-right: 0;
  }
  .efficiency-wrap .ti-wrap .ti {
    font-size: 4.4rem;
  }
  .efficiency-wrap .ti-wrap p {
    margin-top: 1em;
    color: var(--text-color);
  }
  .efficiency-wrap .table-wrap {
    width: 100%;
  }
  .efficiency-wrap .table-wrap .img-pc {
    display: block;
  }
  .efficiency-wrap .table-wrap .img-m {
    display: none;
  }
}
@media (max-width: 640px) {
  .efficiency-wrap .ti-wrap .ti {
    font-size: 4rem;
  }
  .efficiency-wrap .table-wrap .img-pc {
    display: none;
  }
  .efficiency-wrap .table-wrap .img-m {
    display: block;
  }
}

/* model */
.eco-model-wrap {
  width: 100%;
  overflow: hidden;
}

.eco-model {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  width: 126%;
  margin-left: -26%;
}
.eco-model .model-btn {
  background: var(--primary);
  width: 26%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  color: var(--white);
}
.eco-model .model-btn .ti {
  margin-bottom: 0.5em;
  font-weight: 600;
  font-size: 3.6rem;
}
@media (max-width: 1280px) {
  .eco-model .model-btn .ti {
    font-size: 2.8rem;
  }
}
@media (max-width: 767px) {
  .eco-model .model-btn .ti {
    font-size: 2.4rem;
  }
}
.eco-model .cont-wrap {
  position: relative;
  width: 74%;
  padding-top: 37.5%;
  background: url(/images/brtech/sub/model_bg.jpg) no-repeat center/cover;
}
.eco-model .cont-wrap .cont {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}
.eco-model .cont-wrap h2 {
  position: absolute;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  font-weight: 600;
  font-size: 3.6rem;
}
@media (max-width: 1280px) {
  .eco-model .cont-wrap h2 {
    font-size: 2.8rem;
  }
}
@media (max-width: 767px) {
  .eco-model .cont-wrap h2 {
    font-size: 2.4rem;
  }
}
.eco-model .cont-wrap h2.h-fender {
  left: 10%;
}
.eco-model .cont-wrap h2.h-bumper {
  right: 10%;
}
.eco-model .cont-wrap .img {
  width: 47.95%;
  margin-top: 2em;
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}
.eco-model .cont-wrap .img.img-fender {
  margin-left: 10%;
}
.eco-model .cont-wrap .img.img-bumper {
  margin-left: -10%;
}
.eco-model .cont-wrap .cont-bumper {
  display: none;
}
.eco-model .cont-wrap .cont-fender {
  display: block;
}
@media (max-width: 1280px) {
  .eco-model {
    width: 134%;
    margin-left: -34%;
  }
  .eco-model .model-btn {
    width: 34%;
  }
  .eco-model .cont-wrap {
    width: 66%;
    padding-top: 45%;
  }
  .eco-model .cont-wrap .img {
    width: 57.54%;
  }
  .eco-model .cont-wrap .img.img-fender {
    margin-left: 14%;
  }
  .eco-model .cont-wrap .img.img-bumper {
    margin-left: -14%;
  }
}
@media (max-width: 767px) {
  .eco-model {
    width: 100%;
    margin-left: 0;
  }
  .eco-model .model-btn {
    display: none;
  }
  .eco-model .cont-wrap {
    width: 100%;
    padding-top: 0;
    padding: 4.25em 5%;
  }
  .eco-model .cont-wrap .cont {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    position: static;
    height: auto;
  }
  .eco-model .cont-wrap h2,
  .eco-model .cont-wrap .img {
    position: static;
    -webkit-transform: translate(0, 0);
            transform: translate(0, 0);
  }
  .eco-model .cont-wrap h2 {
    width: 100%;
    text-align: center;
  }
  .eco-model .cont-wrap .img {
    width: 70%;
  }
  .eco-model .cont-wrap .img.img-fender {
    margin-left: 0;
  }
  .eco-model .cont-wrap .img.img-bumper {
    margin-left: 0;
  }
  .eco-model .cont-wrap .cont-bumper {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
  }
  .eco-model .cont-wrap .cont-fender {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    margin-bottom: 2em;
  }
}
@media (max-width: 480px) {
  .eco-model .cont-wrap .img {
    width: 90%;
  }
}

.eco-size-wrap {
  max-width: 1104px;
  margin: 7.7em auto 0;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.eco-size-wrap figure:nth-child(1) {
  margin-right: 2em;
}
@media (max-width: 1280px) {
  .eco-size-wrap {
    max-width: 96%;
    margin-block: 6.16em 0;
  }
}
@media (max-width: 767px) {
  .eco-size-wrap {
    margin-block: 4.62em 0;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    max-width: 94%;
    gap: 1em;
  }
  .eco-size-wrap figure {
    width: calc((100% - 1em) / 2);
  }
  .eco-size-wrap figure:nth-child(1) {
    margin-right: 0;
  }
}
@media (max-width: 480px) {
  .eco-size-wrap {
    max-width: 90%;
  }
  .eco-size-wrap figure {
    width: 80%;
  }
}

/* ----------------------------------------
* history
* ----------------------------------------*/
.history-wrap {
  margin-block: -8.8em -10em;
  padding-block: 8.8em 10em;
  width: 100%;
  background: url(/images/brtech/sub/history_bg.png) no-repeat center/100% auto;
  background-attachment: fixed;
}
@media (max-width: 1280px) {
  .history-wrap {
    margin-block: -7.04em -10em;
    padding-block: 7.04em 8em;
  }
}
@media (max-width: 767px) {
  .history-wrap {
    margin-block: -5.28em -10em;
    padding-block: 5.28em 6em;
  }
}
@media (max-width: 480px) {
  .history-wrap {
    background-size: 300% auto;
    background-position: left center;
    background-attachment: fixed;
  }
}

.history-in {
  position: relative;
}
.history-in::before, .history-in::after {
  content: "";
  display: block;
  width: 1px;
  height: 100%;
  position: absolute;
  top: 0;
  left: 31.25%;
}
.history-in::before {
  background-color: var(--brd-c1);
}
.history-in::after {
  height: var(--after-height, 0%);
  background-color: var(--primary);
}
.history-in .his-cont {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
  padding-bottom: 6em;
}
.history-in .his-cont:last-child {
  padding-bottom: 3em;
}
.history-in .his-cont h2 {
  padding-left: 120px;
  width: 31.25%;
  font-family: "Freesentation";
  font-weight: 900;
  font-size: 4.8rem;
}
@media (max-width: 1280px) {
  .history-in .his-cont h2 {
    font-size: 3.4rem;
  }
}
@media (max-width: 767px) {
  .history-in .his-cont h2 {
    font-size: 3rem;
  }
}
.history-in .his-cont .txt {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: var(--gap);
}
.history-in .his-cont .txt::before {
  content: "";
  display: block;
  width: 13px;
  height: 13px;
  background-color: var(--primary);
  border-radius: 50%;
  position: absolute;
  top: 0;
  left: 0;
  margin-left: -6px;
}
.history-in .his-cont .txt .cont {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  padding-left: 4.4em;
}
.history-in .his-cont .txt .cont .month {
  width: 46px;
  -ms-flex-negative: 0;
      flex-shrink: 0;
  font-family: "Freesentation";
  font-weight: 600;
  font-size: 2rem;
}
@media (max-width: 1280px) {
  .history-in .his-cont .txt .cont .month {
    font-size: 1.8rem;
  }
}
@media (max-width: 767px) {
  .history-in .his-cont .txt .cont .month {
    font-size: 1.7rem;
  }
}
@media (max-width: 767px) {
  .history-in .his-cont h2 {
    padding-left: 1em;
  }
  .history-in .his-cont .txt::before {
    width: 9px;
    height: 9px;
    margin-left: -4px;
  }
}
@media (max-width: 480px) {
  .history-in::before, .history-in::after {
    left: 110px;
  }
  .history-in .his-cont h2 {
    width: 110px;
    -ms-flex-negative: 0;
        flex-shrink: 0;
    padding-left: 0;
  }
  .history-in .his-cont .txt .cont {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    padding-left: 2.64em;
    gap: 2px;
  }
  .history-in .his-cont .txt .cont .month {
    color: var(--secondary1);
  }
}

/* ----------------------------------------
* location
* ----------------------------------------*/
.location-wrap .com-info {
  padding-block: 3.3em;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
      -ms-flex-direction: row;
          flex-direction: row;
  gap: 5.5em;
  border-bottom: 0;
}
.location-wrap .map-wrap {
  width: 100%;
  height: 612px;
  background-color: var(--brd-c1);
}
@media (max-width: 1280px) {
  .location-wrap .map-wrap {
    height: 480px;
  }
}
@media (max-width: 767px) {
  .location-wrap .com-info {
    padding-block: 2em;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    gap: 8px;
  }
  .location-wrap .map-wrap {
    height: 400px;
  }
}

/* ----------------------------------------
* exhibition
* ----------------------------------------*/
.exhibition-wrap {
  border-top: 1px solid var(--brd-c1);
}
.exhibition-wrap .cont {
  padding-block: 3.3em;
  border-bottom: 1px solid var(--brd-c1);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: var(--gap);
}
.exhibition-wrap .cont .txt-wrap {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  padding: 2.8em 2.2em;
}
.exhibition-wrap .cont .txt-wrap .h-sty-medium {
  margin-bottom: 8px;
}
.exhibition-wrap .cont .txt-wrap .date {
  font-weight: 500;
  font-size: 2rem;
}
@media (max-width: 1280px) {
  .exhibition-wrap .cont .txt-wrap .date {
    font-size: 1.8rem;
  }
}
@media (max-width: 767px) {
  .exhibition-wrap .cont .txt-wrap .date {
    font-size: 1.7rem;
  }
}
.exhibition-wrap .cont .txt-wrap .location {
  margin-block: 1.3em;
  color: var(--gray-500);
  font-weight: 500;
  font-size: 2rem;
}
@media (max-width: 1280px) {
  .exhibition-wrap .cont .txt-wrap .location {
    font-size: 1.8rem;
  }
}
@media (max-width: 767px) {
  .exhibition-wrap .cont .txt-wrap .location {
    font-size: 1.7rem;
  }
}
.exhibition-wrap .cont .img-slider-wrap {
  width: 57.38%;
}
.exhibition-wrap .cont .slick-btn-wrap {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  margin-top: auto;
  -ms-flex-item-align: end;
      align-self: flex-end;
  gap: 0.8em;
}
.exhibition-wrap .cont .slick-btn-wrap .slick-btn {
  width: 24px;
  height: 24px;
  background: url(/images/brtech/sub/arw_sld_prev2.svg) no-repeat center/100% 100%;
}
.exhibition-wrap .cont .slick-btn-wrap .slick-btn.next {
  background-image: url(/images/brtech/sub/arw_sld_next2.svg);
}
.exhibition-wrap .cont .slick-btn-wrap .slick-counter {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 8px;
  color: var(--gray-500);
  text-align: center;
}
.exhibition-wrap .cont .slick-btn-wrap .slick-counter .active {
  font-weight: 600;
  color: var(--black);
}
.exhibition-wrap .cont .slick-btn-wrap .slick-counter .dash {
  width: 8px;
  height: 20px;
  background: url(/images/brtech/sub/sld_dash.svg) no-repeat center/100%;
}
@media (max-width: 1024px) {
  .exhibition-wrap .cont .txt-wrap {
    padding: 0.5em 1.76em;
  }
}
@media (max-width: 767px) {
  .exhibition-wrap .cont {
    display: block;
  }
  .exhibition-wrap .cont .txt-wrap {
    padding: 0 1em 1em;
  }
  .exhibition-wrap .cont .img-slider-wrap {
    width: 100%;
  }
}

/* ----------------------------------------
* case-study
* ----------------------------------------*/
.case-wrap {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap3) var(--gap);
}
.case-wrap .cont {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
}
.case-wrap .cont .txt-wrap {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  padding: 1.7em 1.3em;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  gap: 0.88em;
  border-top: 1px solid var(--brd-c1);
  font-size: 2rem;
}
@media (max-width: 1280px) {
  .case-wrap .cont .txt-wrap {
    font-size: 1.8rem;
  }
}
@media (max-width: 767px) {
  .case-wrap .cont .txt-wrap {
    font-size: 1.7rem;
  }
}
.case-wrap .cont .txt-wrap .year {
  width: 50px;
  color: var(--primary);
  font-weight: 600;
}
.case-wrap .cont .txt-wrap .ti {
  font-weight: 500;
}
.case-wrap .cont figure,
.case-wrap .cont .movie-wrap {
  margin-top: auto;
}
.case-wrap .cont .movie-wrap {
  position: relative;
  width: 100%;
  padding-top: 56.65%;
}
.case-wrap .cont .movie-wrap iframe {
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
}
@media (max-width: 767px) {
  .case-wrap .cont .txt-wrap {
    padding: 1.36em 1em;
  }
}
@media (max-width: 640px) {
  .case-wrap {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 480px) {
  .case-wrap .cont .txt-wrap {
    display: block;
  }
}

.bro-wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap3) var(--gap);
}
.bro-wrap .cont {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
}
.bro-wrap .cont .txt-wrap {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  padding: 1.7em 1.3em;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 0.88em;
  border-top: 1px solid var(--brd-c1);
  font-size: 2rem;
}
@media (max-width: 1280px) {
  .bro-wrap .cont .txt-wrap {
    font-size: 1.8rem;
  }
}
@media (max-width: 767px) {
  .bro-wrap .cont .txt-wrap {
    font-size: 1.7rem;
  }
}
.bro-wrap .cont .txt-wrap .ti {
  font-weight: 500;
}
.bro-wrap .cont .txt-wrap .down-btn {
  margin-left: auto;
  display: block;
  width: 48px;
  aspect-ratio: 1;
  background: url(/images/brtech/sub/icon_down.svg) no-repeat center/24px 24px;
}
.bro-wrap .cont figure {
  margin-top: auto;
  border: 1px solid var(--brd-c1);
}
@media (max-width: 767px) {
  .bro-wrap {
    grid-template-columns: repeat(2, 1fr);
  }
  .bro-wrap .cont .txt-wrap {
    padding: 1.36em 1em;
  }
}
@media (max-width: 480px) {
  .bro-wrap {
    grid-template-columns: 1fr;
  }
}