body { 
  background-color: #0a0a0a;
  color: #e0e0e0;
  font-family: 'Cinzel', serif;
  padding: 2rem;
  margin: 0;
}

h1, h2 {
  border-bottom: 2px solid #d4af37;
  padding-bottom: 0.5rem;
  color: #d4af37;
}

button {
  background-color: transparent;
  border: 2px solid #d4af37;
  color: #d4af37;
  padding: 0.5rem 1rem;
  font-family: 'Cinzel', serif;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: #d4af37;
  color: #0a0a0a;
}

header {
  background-color: #2c3e50;
  color: white;
  padding: 1rem;
  text-align: center;
}

nav a {
  margin: 0 1rem;
  color: #ecf0f1;
  text-decoration: none;
}

main {
  padding: 2rem;
}

section {
  margin-bottom: 2rem;
}

footer {
  background-color: #ddd;
  text-align: center;
  padding: 1rem;
}

.detail-box {
  width: 100%;
  height: 200px;
  padding: 0.5rem;
  background-color: #ffffff;
  border: 3px solid #d4af37;
  color: #000000;
  resize: vertical; /* ユーザーが縦方向にサイズ変更できる */
}

a {
  color: #3498db;
  text-decoration: none;
}

a:hover {
  color: #e74c3c;
}

a:visited {
  color: #3498db;
}