html,
  body {
      margin: 0;
      padding: 0;
      background: radial-gradient(ellipse at bottom, #0c0f1a 0%, #0b0e17 50%, #070b12 100%);
      height: 100%;
      width: 100%;
  }

  body {
      font-family: Arial, sans-serif;
      background-color: #070b12;
      background-image: radial-gradient(120% 120% at 50% 100%, #0c0f1a 0%, #0b0e17 50%, #070b12 100%);
      background-repeat: no-repeat;
      background-size: cover;
      color: #fff;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
  }

  main {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 40px 20px;
  }

  .container {
      max-width: 420px;
      width: 100%;
      padding: 0 20px;
      animation: fadeInUp 0.3s ease-out forwards;
      opacity: 0;
  }

  @keyframes fadeInUp {
      to {
          opacity: 1;
          transform: translateY(0);
      }
  }

  .logo-container {
      text-align: center;
  }

  .logo-container img {
      max-width: 30px;
      height: auto;
      display: block;
      margin: 0 auto;
  }

  h1 {
      font-size: 2rem;
      font-weight: 600;
      margin-bottom: 1rem;
  }

  p {
      font-size: 1rem;
      line-height: 1.5;
      margin-bottom: 1.5rem;
  }

  .cta-button {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background-color: #d62828;
      color: #ffffff;
      padding: 14px 32px;
      font-size: 1rem;
      font-weight: 600;
      border: none;
      border-radius: 9999px;
      text-decoration: none;
      width: 100%;
      max-width: 100%;
      box-sizing: border-box;
      transition: background 0.3s ease;
  }

  .cta-button:hover {
      background-color: #b71f1f;
  }

  footer.delayed-footer {
      background-color: #E2F1FF;
      text-align: center;
      padding: 10px 0 10px;
      opacity: 0;
      transform: translateY(10px);
      transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  }

  footer.delayed-footer.visible {
      opacity: 1;
      transform: translateY(0);
  }

  .footer-banner {
      display: block;
      width: 100%;
      max-width: 230px;
      aspect-ratio: 5 / 1;
      object-fit: contain;
      background-color: #e2f1ff;
      margin: 0 auto 10px;
      border-radius: 4px;
  }

  .footer-text {
      font-size: 0.65rem;
      color: #99A1AD;
      padding: 0 10px;
  }

  .footer-text .break-after {
      display: inline;
  }

  .footer-text a {
      color: #99A1AD;
      text-decoration: none;
  }

  @media (max-width: 480px) {
      h1 {
          font-size: 1.6rem;
      }

      p {
          font-size: 0.95rem;
      }

      .cta-button {
          padding: 14px;
      }

      .footer-text .break-after {
          display: block;
          margin-top: 2px;
      }
  }

  @media (min-width: 768px) {
      .footer-banner {
          max-width: 300px;
      }
  }

  @media (prefers-color-scheme: light) {
      body {
          background: linear-gradient(to bottom, #f9fbff, #d6e6f8);
          color: #000;
      }

      .cta-button {
          color: #fff;
      }

      footer {
          background-color: #f1f4f8;
      }

      .footer-text {
          color: #99A1AD;
      }

      .footer-text a {
          color: #99A1AD;
          text-decoration: none;
      }
  }


  #dots {
      display: inline-block;
      font-size: inherit;
      font-family: inherit;
      width: 1.5em;
      text-align: left;
      vertical-align: baseline;
      line-height: 1;
      position: relative;
  }

  #dots::after {
      content: ".";
      animation: blinkDots 1.2s steps(3, end) infinite;
  }

  @keyframes blinkDots {
      0% {
          content: ".";
      }

      33% {
          content: "..";
      }

      66% {
          content: "...";
      }

      100% {
          content: ".";
      }
  }

  .button-guarantee-note {
      font-size: 0.85rem;
      color: #aaa;
      text-align: center;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      margin-top: 10px;
  }

  .button-guarantee-note .material-symbols-rounded {
      font-size: 1em;
      line-height: 1;
      display: inline-block;
      color: #aaa;
  }