body {
  font-family: "Noto Sans JP", "Helvetica Neue", Arial, sans-serif;
  background-color: #fefaf6;
  color: #555;
  margin: 0;
  padding: 0;
}

header {
  background-color: #f8e8d4;
  text-align: center;
  padding: 2rem 1rem;
}

header h1 {
  font-size: 2rem;
  margin: 0;
}

main {
  padding: 2rem 1rem;
  max-width: 800px;
  margin: 0 auto;
}

.notice {
  background-color: #fff0e6;
  border: 1px solid #f5c8b0;
  padding: 1.5rem;
  margin-bottom: 2rem;
  border-radius: 8px;
}

.notice h2 {
  color: #cc6600;
  margin-top: 0;
}

section p {
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

footer {
  text-align: center;
  font-size: 0.9rem;
  color: #aaa;
  padding: 2rem 1rem;
}