* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: linear-gradient(180deg, #76d6ff 0%, #b9f3ff 55%, #9be7c4 100%);
  color: #14324f;
  min-height: 100vh;
}

a {
  color: #1d4ed8;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  max-width: 480px;
  margin: 0 auto;
  padding: 12px 16px 8px;
  text-align: center;
}

.site-header h1 {
  margin: 6px 0 0;
  font-size: 1.35rem;
  font-weight: 800;
}

.age-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.85);
  border: 2px solid rgba(20, 29, 50, 0.2);
  font-weight: 900;
  font-size: 0.9rem;
}

.reward-banner {
  max-width: 480px;
  margin: 0 auto 8px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.82);
  border-radius: 14px;
  font-size: 0.82rem;
  line-height: 1.45;
  box-shadow: 0 4px 14px rgba(20, 29, 50, 0.08);
}

.reward-banner strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.9rem;
}

#gameWrap {
  max-width: 480px;
  margin: 0 auto;
  padding: 0 8px;
  position: relative;
  z-index: 1;
}

#gameCanvas {
  display: block;
  width: 100%;
  height: min(72vh, 640px);
  border-radius: 16px;
  background: transparent;
  touch-action: none;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
}

.legal-footer {
  max-width: 480px;
  margin: 16px auto 24px;
  padding: 14px 16px;
  text-align: center;
  font-size: 0.78rem;
  line-height: 1.6;
  background: rgba(255, 255, 255, 0.75);
  border-radius: 14px;
}

.legal-footer a {
  display: inline-block;
  margin: 4px 8px;
}

.legal-page {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 20px 48px;
  background: rgba(255, 255, 255, 0.92);
  min-height: 100vh;
  line-height: 1.55;
  font-size: 0.95rem;
}

.legal-page h1 {
  font-size: 1.4rem;
  margin-top: 0;
}

.legal-page h2 {
  font-size: 1.05rem;
  margin-top: 1.4rem;
}

.legal-nav {
  margin-bottom: 20px;
  font-size: 0.85rem;
}

@media print {
  .legal-nav,
  .no-print {
    display: none;
  }
}