/* =====================
       FULL SCREEN VIDEO
    ====================== */
    .video-section {
      position: relative;
      width: 100%;
      min-height: 100svh;   /* 핵심 */
      height: 100dvh;       /* 최신 브라우저 */
      overflow: hidden;
      background: #000;
    }

    /* fallback (구형 브라우저) */
    @supports not (height: 100dvh) {
      .video-section {
        height: 100vh;
      }
    }

    .video-section video {
      position: absolute;
      top: 50%;
      left: 50%;
      width: 100%;
      height: 100%;
      object-fit: cover;   /* 세로 영상 상하 crop OK */
      transform: translate(-50%, -50%);
    }

    /* =====================
       VIDEO SWITCH
    ====================== */
    .video-pc {
      display: block;
    }

    .video-mobile {
      display: none;
    }

    @media (max-width: 768px) {
      .video-pc {
        display: none;
      }
      .video-mobile {
        display: block;
      }
    }

    /* =====================
       OVERLAY
    ====================== */
    .video-overlay {
      position: absolute;
      inset: 0;             /* top/right/bottom/left = 0 */
      z-index: 2;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      color: #fff;
      text-align: center;
      background: rgba(0,0,0,0.25);
    }

    .video-overlay h1 {
      font-size: clamp(24px, 5vw, 56px);
      line-height: 1.2;
    }

    /* =====================
       SCROLL INDICATOR
    ====================== */
    .scroll-indicator {
      position: absolute;
      bottom: env(safe-area-inset-bottom, 0px);
      margin-bottom: 24px;
      left: 50%;
      transform: translateX(-50%);
      width: 22px;
      height: 22px;
    }

    .scroll-indicator span {
      display: block;
      width: 100%;
      height: 100%;
      border-left: 2px solid #fff;
      border-bottom: 2px solid #fff;
      transform: rotate(-45deg);
      opacity: 0.8;
      animation: arrowMove 1.6s ease-in-out infinite;
    }

    @keyframes arrowMove {
      0% {
        transform: translateY(0) rotate(-45deg);
        opacity: 0.4;
      }
      50% {
        transform: translateY(8px) rotate(-45deg);
        opacity: 0.9;
      }
      100% {
        transform: translateY(0) rotate(-45deg);
        opacity: 0.4;
      }
    }

    /* =====================
       CONTENT
    ====================== */
    .content-section {
      padding: 120px 20px;
      background: #fff;
    }

    .content-inner {
      max-width: 1200px;
      margin: 0 auto;
    }

    .content-inner h2 {
      font-size: 32px;
      margin-bottom: 20px;
    }

    .content-inner p {
      font-size: 18px;
      line-height: 1.7;
      color: #444;
    }