* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  html,
  body {
    width: 100%;
    min-height: 100%;
  }
  
  body {
    min-height: 100vh;
    font-family:
      -apple-system,
      BlinkMacSystemFont,
      "SF Pro Display",
      "SF Pro Text",
      "Helvetica Neue",
      Arial,
      sans-serif;
  
    background:
      radial-gradient(
        circle at 20% 20%,
        rgba(255, 120, 190, 0.5),
        transparent 35%
      ),
      radial-gradient(
        circle at 80% 30%,
        rgba(80, 210, 255, 0.45),
        transparent 40%
      ),
      radial-gradient(
        circle at 50% 90%,
        rgba(255, 220, 100, 0.4),
        transparent 40%
      ),
      #f3eee5;
  
    color: #111;
    overflow-x: hidden;
  }
  
  .hero {
    min-height: calc(100vh - 80px);
  
    display: flex;
    flex-direction: column;
  
    align-items: center;
    justify-content: center;
  
    text-align: center;
  
    padding: 60px 24px;
  }
  
  .app-icon {
    width: 140px;
    height: 140px;
  
    object-fit: cover;
  
    border-radius: 32px;
  
    margin-bottom: 28px;
  
    box-shadow:
      0 24px 60px rgba(0, 0, 0, 0.18),
      0 4px 12px rgba(0, 0, 0, 0.08);
  
    transition:
      transform 0.35s cubic-bezier(.2, .8, .2, 1),
      box-shadow 0.35s ease;
  }
  
  .app-icon:hover {
    transform:
      translateY(-6px)
      rotate(-2deg)
      scale(1.04);
  
    box-shadow:
      0 32px 80px rgba(0, 0, 0, 0.22);
  }
  
  h1 {
    font-size: clamp(72px, 12vw, 150px);
  
    font-weight: 800;
  
    line-height: 0.9;
  
    letter-spacing: -0.08em;
  
    margin-bottom: 30px;
  }
  
  .subtitle {
    font-size: clamp(25px, 4vw, 44px);
  
    font-weight: 650;
  
    line-height: 1.05;
  
    letter-spacing: -0.04em;
  
    margin-bottom: 42px;
  }
  
  .app-store-button {
    display: inline-flex;
  
    align-items: center;
  
    gap: 11px;
  
    padding: 11px 19px;
  
    color: white;
    background: #111;
  
    border-radius: 14px;
  
    text-decoration: none;
  
    transition:
      transform 0.2s ease,
      opacity 0.2s ease;
  }
  
  .app-store-button:hover {
    transform: scale(1.04);
  }
  
  .app-store-button:active {
    transform: scale(0.97);
  }
  
  .apple-logo {
    font-size: 38px;
    line-height: 1;
  }
  
  .app-store-text {
    display: flex;
    flex-direction: column;
  
    text-align: left;
  
    line-height: 1;
  }
  
  .app-store-text small {
    font-size: 10px;
    margin-bottom: 3px;
  }
  
  .app-store-text strong {
    font-size: 21px;
    font-weight: 500;
    letter-spacing: -0.02em;
  }
  
  footer {
    height: 80px;
  
    display: flex;
  
    align-items: center;
    justify-content: center;
  
    gap: 12px;
  
    font-size: 14px;
  }
  
  footer a {
    color: #111;
  
    text-decoration: none;
  
    opacity: 0.55;
  
    transition: opacity 0.2s ease;
  }
  
  footer a:hover {
    opacity: 1;
  }
  
  
  /* Privacy Policy */
  
  .privacy-page {
    background: #f7f5ef;
  }
  
  .privacy-container {
    width: min(720px, calc(100% - 40px));
  
    margin: 0 auto;
  
    padding: 100px 0 120px;
  }
  
  .privacy-container h1 {
    font-size: clamp(50px, 8vw, 80px);
  
    letter-spacing: -0.06em;
  
    margin-bottom: 16px;
  }
  
  .effective-date {
    color: #666;
  
    margin-bottom: 60px;
  }
  
  .privacy-container h2 {
    font-size: 24px;
  
    letter-spacing: -0.03em;
  
    margin-top: 50px;
    margin-bottom: 16px;
  }
  
  .privacy-container h3 {
    font-size: 18px;
  
    margin-top: 28px;
    margin-bottom: 10px;
  }
  
  .privacy-container p,
  .privacy-container li {
    font-size: 17px;
  
    line-height: 1.7;
  
    color: #333;
  }
  
  .privacy-container p + p {
    margin-top: 16px;
  }
  
  .privacy-container ul {
    padding-left: 24px;
    margin-top: 16px;
  }
  
  .privacy-container li + li {
    margin-top: 8px;
  }
  
  .privacy-container a {
    color: inherit;
    text-decoration: underline;
    text-underline-offset: 3px;
  }
  
  .back-link {
    display: inline-block;
  
    margin-bottom: 50px;
  
    color: #111 !important;
  
    font-weight: 600;
  
    text-decoration: none !important;
  }
  
  
  @media (max-width: 600px) {
  
    .app-icon {
      width: 120px;
      height: 120px;
  
      border-radius: 28px;
    }
  
    .hero {
      min-height: calc(100vh - 60px);
  
      padding: 40px 20px;
    }
  
    footer {
      height: 60px;
    }
  
    .privacy-container {
      padding-top: 50px;
    }
  
  }