body {
    margin: 0;
    font-family: 'Noto Sans KR', sans-serif;
  }
  
  /* Header */
  .main-header {
    width: 100%;
    height: 100vh;
  }
  .main-visual {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
  }
  .main-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }
  .main-title-group {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
  }
  .main-title {
    font-size: clamp(36px, 8vw, 108.554px);
    font-weight: 900;
    margin: 0;
  }
  .main-subtitle {
    font-size: clamp(16px, 3vw, 25.846px);
    font-weight: 900;
    margin-top: 10px;
  }
  .main-desc {
    margin-top: 30px;
    font-size: clamp(14px, 2vw, 18px);
    font-weight: 300;
  }
  .main-button-group {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 10vh;
  }
  .main-button {
    position: relative;
    width: 260px;
    height: 47px;
    border-radius: 97px;
    background: rgba(255, 255, 255, 0.7);
    color: #fff;
    border: none;
    cursor: pointer;
    padding: 0 60px 0 24px;
    font-size: clamp(14px, 2.5vw, 20px);
    font-weight: 500;
  }
  .button-icon-wrapper {
    position: absolute;
    right: 0;
    top: 0;
    width: 47px;
    height: 47px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .button-icon-wrapper img {
    width: 20px;
    height: 20px;
    object-fit: contain;
    transition: transform 0.3s ease;
  }
  .main-button:hover .button-icon-wrapper img {
    transform: scale(2);
  }
  
  /* Scroll To Top */
  .scroll-to-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 59px;
    height: 59px;
    background: transparent;
    border: none;
    cursor: pointer;
    display: none;
    z-index: 1000;
  }
  .scroll-to-top img {
    width: 100%;
    height: 100%;
    object-fit: contain;
  }
  
  /* About Section */
  .about-section {
    padding: 100px 5px 60px;
    background: #fff;
  }
  .about-inner {
    max-width: 1180px;
    margin: 0 auto;
  }
  .about-title-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 20px;
  }
  .about-title-line {
    width: 49px;
    height: 1px;
    background: #000;
    margin-top: 12px;
  }
  .about-title {
    font-size: clamp(24px, 5vw, 50px);
    font-weight: 700;
    color: #021F59;
    margin: 0;
  }
  .about-button-group {
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
    margin-top: 40px;
  }
  .about-button {
    padding: 3.421px 25.659px;
    height: 38.488px;
    border-radius: 85.53px;
    border: 1px solid #021F59;
    background: #fff;
    color: #021F59;
    font-size: clamp(14px, 2.5vw, 20.527px);
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
  }
  .about-button:hover {
    background-color: #021F59;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(2, 31, 89, 0.2);
    transition: all 0.3s ease;
  }
  
  .about-divider {
    width: 100%;
    max-width: 1180px;
    height: 1.5px;
    background: #C3C3C5;
    margin-top: clamp(24px, 5vw, 40px);
  }
  .about-part {
    margin-top: clamp(100px, 6vw, 120px);
  }
  .about-intro-title-box {
    max-width: 1180px;
    height: clamp(60px, 6vw, 90px);
    border-radius: 100px;
    background: #021F59;
    display: flex;
    align-items: center;
    padding-left: clamp(20px, 4vw, 40px);
    position: relative;
    z-index: 2;
  }
  .about-intro-title-text {
    color: #fff;
    font-size: clamp(16px, 2vw, 24px);
    font-weight: 500;
  }
  .about-content-box {
    width: 100%;
    max-width: 1180px;
    margin: -45px auto 0;
    border-radius: 24px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    background: #fff;
    position: relative;
    z-index: 1;
    box-sizing: border-box;
    padding: clamp(60px, 6vw, 100px) clamp(20px, 2vw, 40px) clamp(40px, 4vw, 60px);
    overflow-x: auto;
  }
  
  /* Scroll 이미지 컨테이너 */
  .about-scroll-container {
    overflow-x: auto;
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    border-radius: 16px;
    position: relative;
  }
  .about-scroll-image {
    width: 3459.85px;
    height: auto;
    display: block;
    box-shadow: none;
  }

  .about-history-image {
    width: 4460px;
    height: auto;
    display: block;
    box-shadow: none;
  }
  
  .about-cert-image {
    width: 4188px;
    height: auto;
    display: block;
    box-shadow: none;
  }
  
  .about-news-image {
    width: 5290.79px;
    height: auto;
    display: block;
    box-shadow: none;
  }  

/* 홍보 뉴스 wrapper: 배경 이미지와 개별 이미지들을 겹쳐서 표시 */
.about-news-wrapper {
  position: relative;
  width: 5290.79px;
  height: auto;
}

/* 기본 뉴스 배경 이미지 */
.about-news-image {
  width: 100%;
  height: auto;
  display: block;
  box-shadow: none;
}

/* 겹쳐지는 이미지들 (가로 스크롤 갤러리) */
.about-news-overlay-image {
  position: absolute;
  bottom: 0;
  left: 0;
  display: flex;
  gap: 0;
  width: max-content;
  height: auto;
  z-index: 2;
}

/* 뉴스 링크 */
.about-news-link {
  display: block;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.about-news-link:hover {
  transform: scale(1.05);
  opacity: 0.9;
}

/* 뉴스 개별 이미지 */
.about-news-item {
  height: 397px;
  width: auto;
  display: block;
  flex-shrink: 0;
}

/* scroll-container는 이미 overflow-x: auto 및 position: relative 포함됨 */
.about-news-scroll-container {
  overflow-x: auto;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  border-radius: 16px;
  position: relative;
}

/* 홍보 영상 wrapper: 배경 이미지와 개별 이미지들을 겹쳐서 표시 */
.about-video-wrapper {
  position: relative;
  width: 1614px;
  height: auto;
}

/* 기본 영상 배경 이미지 */
.about-video-image {
  width: 100%;
  height: auto;
  display: block;
  box-shadow: none;
}

/* 겹쳐지는 이미지들 (고정 크기, 스크롤 없음) */
.about-video-overlay-image {
  position: absolute;
  bottom: 0;
  left: 0;
  display: flex;
  gap: 0px;
  width: 100%;
  height: auto;
  overflow: hidden;
  z-index: 2;
  padding: 0 20px;
  box-sizing: border-box;
}

/* 영상 링크 */
.about-video-link {
  display: block;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.3s ease, opacity 0.3s ease;
  flex: 0 0 calc(100% / 3);
}

.about-video-link:hover {
  transform: scale(1.05);
  opacity: 0.9;
}

/* 영상 개별 이미지 */
.about-video-item {
  height: auto;
  width: 100%;
  display: block;
  max-height: 420px;
}

/* 영상 스크롤 컨테이너: 스크롤 없음 */
.about-video-scroll-container {
  overflow: hidden;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  border-radius: 16px;
  position: relative;
}
  
  /* 수직 버튼 그룹 */
  .about-vertical-buttons {
    position: absolute;
    top: clamp(30px, 5vw, 60px);
    right: clamp(20px, 5vw, 20px);
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 3;
  }
  .about-vertical-button {
    width: 154.622px;
    height: 43.687px;
    border-radius: 85.426px;
    border: 1.709px solid #021F59;
    background: transparent;
    color: #021F59;
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 15.377px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
  }
  .about-vertical-button:hover {
    background: #021F59;
    color: #fff;
    box-shadow: 0 2px 6px rgba(2, 31, 89, 0.3);
  }

  .about-scroll-anchor {
    position: absolute;
    left: 1244px;
    top: 0;
    width: 1px;
    height: 1px;
  }
  
/* Marquee */
.cert-marquee-wrapper {
    position: absolute;
    left: 380px;
    top: 380px;
    width: 760px;
    height: auto;
    overflow: hidden;
    z-index: 2;
  }

  .cert-marquee-track {
    display: flex;
    width: max-content;
    animation: marquee-loop 8s linear infinite;
  }
  
  .cert-marquee-track img {
    height: auto;
    width: 920.7px; /* 원본 크기 유지 */
    flex-shrink: 0;
  }
  
  @keyframes marquee-loop {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-920.7px);
    }
  }

  .about-partner-image {
  width: 1103px;
  height: auto;
  display: block;
  box-shadow: none;
}

.partner-marquee-overlay {
  position: absolute;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: 100%;
}

.partner-marquee-overlay img {
  width: 1103px;                  /* 적절히 줄이기 */
  height: auto;
  object-fit: contain;
}

/* 공통 마퀴 스타일 */
.marquee {
  overflow: hidden;
  width: 100%;
  height: auto;
  display: flex;
  justify-content: flex-start;
  position: relative;
}

.marquee img {
  width: 1103px;
  height: auto;
  flex-shrink: 0;
  animation-duration: 10s;
  animation-iteration-count: infinite;
  animation-timing-function: linear;
}

/* 왼쪽 → 오른쪽 */
.marquee-left img {
  animation-name: marquee-left;
}

/* 오른쪽 → 왼쪽 */
.marquee-right img {
  animation-name: marquee-right;
}

/* 왼쪽에서 오른쪽으로 이동 */
@keyframes marquee-left {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-1103px);
  }
}

/* 오른쪽에서 왼쪽으로 이동 */
@keyframes marquee-right {
  0% {
    transform: translateX(-1103px);
  }
  100% {
    transform: translateX(0);
  }
}

.solution-section {
  background-image: url('assets/images/Solution_background.png');
  background-size: cover; /* 또는 contain → cover는 꽉 채우기 */
  background-position: center;
  background-repeat: no-repeat;
  padding: 100px 5px 60px;
  margin-top: 200px; /* 회사소개 섹션과 간격 50px */
}

/* 타이틀 라인 색상 흰색 */
.solution-section .about-title-line {
  background: #fff;
}

/* 타이틀 텍스트 흰색 */
.solution-section .about-title {
  color: #fff;
}

/* 버튼 테두리 및 텍스트 색상 흰색
.solution-section .about-button {
  color: #fff;
  border: 1px solid #fff;
  background: transparent;
}

.solution-section .about-button:hover {
  background-color: #fff;
  color: #021F59; 반전 효과 
} */

/* 구분선 흰색 */
.solution-section .about-divider {
  background: #fff;
}

.solution-vertical-container {
  margin-top: 74px;
  display: flex;
  flex-direction: column;
  gap: 74px;
  align-items: center;
  padding-bottom: 40px;
  box-sizing: border-box;
}

.solution-scroll-container {
  overflow-x: auto;
  width: 100%;
  max-width: 1180px;
  position: relative;
}

.solution-image {
  height: 400px;
  width: auto;
  display: block;
}

.solution-button-group {
  position: absolute;
  top: 28%; /* 원하는 위치로 조정 */
  left: 460px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transform: translateY(-50%);
  z-index: 10;
}

.solution-button {
  width: 109.886px;
  height: 30.962px;
  flex-shrink: 0;
  border-radius: 60.711px;
  border: 1.214px solid #1E478A;
  background: #FFF;

  color: #1E478A;
  text-align: center;
  font-family: "Noto Sans KR", sans-serif;
  font-size: 10.928px;
  font-style: normal;
  font-weight: 700;
  line-height: normal;
  cursor: pointer;
}

.solution-button:hover {
  background: #021F59;
  color: #fff;
  box-shadow: 0 2px 6px rgba(2, 31, 89, 0.3);
  transition: all 0.3s ease;
}

/* M (Cobalt Blue) */
.solution-button-m {
  border-color: #1E478A;
  color: #1E478A;
}
.solution-button-m:hover {
  background-color: #1E478A;
  color: #fff;
}

/* S (Red) */
.solution-button-s {
  border-color: #C2003A;
  color: #C2003A;
}
.solution-button-s:hover {
  background-color: #C2003A;
  color: #fff;
}

/* E (Green) */
.solution-button-e {
  border-color: #7BC200;
  color: #7BC200;
}
.solution-button-e:hover {
  background-color: #7BC200;
  color: #fff;
}

/* BigData (Purple) */
.solution-button-bigdata {
  border-color: #8E00C2;
  color: #8E00C2;
}
.solution-button-bigdata:hover {
  background-color: #8E00C2;
  color: #fff;
}

/* I (Orange) */
.solution-button-i {
  border-color: #F89B00;
  color: #F89B00;
}
.solution-button-i:hover {
  background-color: #F89B00;
  color: #fff;
}

/* Contact Section */
.contact-section {
  position: relative;
  display: flex;
  justify-content: center;
  background-color: #fff;
  overflow: hidden;
}

.contact-inner {
  width: 100%;
  max-width: 1920px;
  position: relative;
}

.contact-image {
  width: 100%;
  height: auto;
  display: block;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.contact-overlay-text {
  position: absolute;
  top: 10%;
  left: 5%;
  transform: translateY(0);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 30px;
  z-index: 10;
  max-width: 900px;
  width: 50%;
  padding: 40px;
  border-radius: 16px;
  color: #fff;
}

.contact-title-wrapper {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.contact-text,
.contact-text-us {
  color: #fff;
  font-size: clamp(36px, 6vw, 80px);
}

.contact-text-sub {
  color: #fff;
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 300;
  line-height: 1.4;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  width: 100%;
}

.contact-row label {
  font-weight: 500;
  margin-bottom: 4px;
  display: inline-block;
}

.contact-row input,
.contact-row select,
.contact-row textarea {
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid #ffffff;
  background: rgba(171, 118, 118, 0.15);
  color: #fff;
  font-size: 14px;
  box-sizing: border-box;
}

.contact-row textarea {
  height: 100px;
  resize: none;
}

.contact-row.two-col {
  display: flex;
  gap: 20px;
}

.contact-row.two-col > div {
  flex: 1;
}

/* ✅ 개인정보 동의 + 버튼 한 줄로 정렬 */
.checkbox-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: nowrap;
}

.agree-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-grow: 1;
  color: #fff;
  font-size: 14px;
  white-space: nowrap;
}

.checkbox-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
}

.checkbox-row label {
  font-size: 14px;
  color: #fff;
  font-weight: 400;
  flex-grow: 1;
  display: flex;
  align-items: center;
  white-space: nowrap;
}

.contact-submit {
  background: rgba(255, 255, 255, 0.3);
  color: #fff;
  font-weight: bold;
  border: none;
  padding: 12px 24px;
  border-radius: 30px;
  cursor: pointer;
  font-size: 14px;
  transition: background 0.3s ease;
  flex-shrink: 0;
  white-space: nowrap;
  height: 42px;
}

.contact-submit:hover {
  background: #fff;
  color: #021F59;
}

.footer {
  width: 100%;
  background: #1C1D27;
  display: flex;
  justify-content: center;
}

.footer-inner {
  width: 100%;
  max-width: 1512px;
  height: 160px;
  padding: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-sizing: border-box;
}

.footer-text-group {
  display: flex;
  flex-direction: column;
  color: #C3C3C5;
  justify-content: center;
}

.footer-info {
  font-family: "Noto Sans KR", sans-serif;
  font-size: 14px;
  font-style: normal;
  font-weight: 400;
  line-height: 21.722px;
  margin-bottom: 12px;
}

.footer-copy {
  font-family: "Noto Sans KR", sans-serif;
  font-size: 11px;
  font-style: normal;
  font-weight: 300;
  line-height: normal;
}

.footer-logo img {
  height: 48px;
  width: auto;
  object-fit: contain;
}