* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: 'Pretendard Variable', sans-serif;
      background: url('images/background.jpg') no-repeat center center fixed;
      background-size: cover;
      color: #ffffff;
    }

    .overlay {
      background-color: rgba(0, 0, 0, 0.4);
      backdrop-filter: blur(10px);
      width: 100%;
      height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .card {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: 20px;
      padding: 40px 40px 20px 40px;
      width: 90%;
      max-width: 500px;
      text-align: center;
      box-shadow: 0 0 30px rgba(0, 0, 0, 0.3);
    }

    .card img {
      width: 120px;
      height: 120px;
      margin-bottom: 20px;
      border-radius: 50%;
    }

  h1 {
    font-size: 28px;
    margin-top: -20px;
    margin-bottom: 0px;
    white-space: nowrap;
    overflow: hidden;
    border-right: 2px solid white;
    width: 0;
    animation: typing 3s steps(30, end) forwards;
  }


    @keyframes typing {
      from { width: 0; }
      to { width: 100%; }
    }

    p {
      font-size: 16px;
      margin: 10px 0;
      color: #eeeeee;
    }

  .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    margin: 6px;
    background: rgba(255, 255, 255, 0.8);
    border: none;
    border-radius: 50%;
    color: #000;
    font-size: 20px;
    text-decoration: none;
    transition: 0.3s ease, transform 0.3s ease;
    backdrop-filter: blur(4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  }

  .button:hover {
    background: rgba(255, 255, 255, 1.0);
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
  }