body {
  margin: 0;
  font-family: 'Courier New', monospace;
  background-color: #ffffff;
  color: #000000;
  text-align: center;
}

header {
  background: #f0f0f0;
  padding: 2rem 1rem;
  border-bottom: 2px solid #cc0000;
}

header h1 {
  font-size: 2.5rem;
  color: #cc0000;
  margin: 0;
  letter-spacing: 0.1em;
}

header p {
  margin-top: 0.5rem;
  font-style: italic;
  color: #333333;
}

main {
  padding: 3rem 1rem;
  max-width: 800px;
  margin: auto;
}

.banner {
  background: #f9f9f9;
  border: 1px solid #cccccc;
  padding: 1rem;
  margin-bottom: 2rem;
}

.banner h2 {
  color: #990000;
  margin-bottom: 0.5rem;
}

.banner p {
  color: #111111;
}

a {
  color: #0033cc;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

footer {
  padding: 1rem;
  font-size: 0.9rem;
  color: #555555;
}

.button {
  display: inline-block;
  margin: 1rem;
  padding: 0.75rem 1.5rem;
  background: #cc0000;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: none;
  cursor: pointer;
  font-weight: bold;
}

.button:hover {
  background: #990000;
}

.qr-box {
  text-align: center;
  margin: 2em 0;
}

.qr-box img {
  border: 1px solid #666666;
  padding: 0.5em;
  background: #eeeeee;
}