@media screen and (max-width: 768px) {
  :root {
    --header-height: 54px;
  }

  section {
    padding: 60px 20px;
  }

  .section-title {
    margin-bottom: 30px;
  }

  .section-title h2 {
    font-size: 1.6rem;
    line-height: 1.3;
    background: linear-gradient(135deg, #FFFFFF 0%, #BBBBBB 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    word-break: keep-all;
  }

  /* Hero */
  .hero {
    min-height: 100vh;
    min-height: 100dvh;
    height: auto !important;
    padding: 50px 20px 40px; /* 상단 여백을 늘려 헤더와의 간격 확보 */
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    background: radial-gradient(circle at 50% 0%, #1a1a1a 0%, #000000 70%);
  }

  .hero h1 {
    font-size: 1.75rem;
    line-height: 1.3;
    margin-bottom: 20px;
    margin-top: 30px;
    word-break: keep-all;
  }

  .mobile-br {
    display: block;
  }

  .hero-subtext {
    font-size: 1.05rem;
    margin-bottom: 25px;
    line-height: 1.4;
  }

  .hero-showcase-container {
    margin-top: 10px;
    width: 100%;
  }

  .hero-showcase-slider {
    height: 250px; /* 슬라이더 전체 높이 확대 */
  }

  .slide-img-box {
    height: 220px; /* 이미지 박스 높이 대폭 확대 */
    border-radius: 16px;
  }

  .showcase-caption {
    margin-top: 8px;
    font-size: 0.85rem;
  }

  .hero-marquee-wrapper {
    margin-top: 30px;
    padding: 5px 0;
  }

  .marquee-content img {
    height: 18px; /* 하단 공간 확보를 위해 로고 크기 살짝 축소 */
  }

  /* Floating Elements Mobile Adjustment */
  .floating-item {
    width: 36px;
    height: 36px;
    font-size: 0.9rem;
    opacity: 0.4;
    z-index: 1; /* Lower z-index to stay behind text if it still overlaps */
  }

  .item-1 { top: 12%; left: 5%; }
  .item-2 { top: 10%; right: 5%; }
  .item-3 { bottom: 25%; left: 5%; }

  /* Hero Rolling Card Mid-size Mobile */
  .hero-rolling-container {
    height: 120px;
    margin-top: 30px;
    max-width: 320px;
  }

  .perf-slide {
    padding: 20px;
    border-radius: 20px;
  }

  .perf-badge {
    font-size: 0.6rem;
    margin-bottom: 8px;
  }

  .perf-content {
    gap: 8px;
  }

  .perf-main {
    font-size: 1.8rem;
  }

  .perf-sub {
    font-size: 0.8rem;
    max-width: 140px;
  }

  /* Pain Point */
  .pain-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .pain-card p {
    font-size: 0.9rem;
    line-height: 1.5;
  }

  /* Solution Details */
  .solution-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .solution-card {
    padding: 30px 24px;
    background: #111111;
  }

  /* Popup */
  .popup-content {
    padding: 30px 20px 40px;
    background: #FFFFFF;
    border-radius: 20px 20px 0 0;
  }

  .popup-title {
    font-size: 1.3rem;
  }

  .countdown-timer {
    font-size: 1rem;
  }

  .cta-fixed {
    bottom: 15px;
  }

  .cta-btn {
    padding: 16px;
    font-size: 1.05rem;
  }

  /* Agreement */
  .agreement-box {
    height: 70px;
    background: #f5f5f5;
    border-color: #ddd;
  }

  .agree-header {
    color: #333;
  }

  /* Reference Mobile */
  .reference-section {
    padding: 60px 0;
    background: #000000;
  }

  .reference-slider-container {
    padding-left: 20px;
    padding-right: 20px;
  }

  .reference-card {
    width: 290px;
    max-width: 85vw;
    opacity: 1 !important;
    transform: none !important;
    margin-right: 15px;
    background: #111111;
    border: 1px solid #222222;
  }

  .reference-slider {
    gap: 0;
  }

  .ref-img-wrap {
    height: 160px;
  }

  .ref-content {
    padding: 20px;
  }

  .ref-content h3 {
    font-size: 1rem;
    word-break: keep-all;
  }

  .ref-result .value {
    font-size: 1.05rem;
  }

  .ref-result .sub-value {
    font-size: 0.8rem;
    margin-top: 2px;
  }

  .ref-summary-cta {
    padding: 14px 24px;
    font-size: 0.95rem;
    width: calc(100% - 40px);
    max-width: 320px;
  }

  .ending-premium {
    padding: 80px 20px 140px;
  }

  .ending-content h2 {
    font-size: 1.8rem;
  }
}