body {
  font-family: 'Segoe UI', 'Noto Sans JP', sans-serif;
  background-color: #0e0e10;
  margin: 0;
  padding: 3rem 1rem;
  color: #e5e5e5;
}

.container {
  max-width: 800px;
  margin: auto;
}

h1 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 2rem;
  color: #ffffff;
}

.code-wrapper {
  position: relative;
  background: #1e1e1e;
  border-radius: 12px;
  padding: 1.5rem 1rem 1rem 1rem;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
  overflow-x: auto;
  font-size: 0.95rem;
  line-height: 1.5;
}

.code-wrapper code {
  font-family: 'Fira Code', 'Courier New', monospace;
  color: #d4d4d4;
}

.copy-button {
  position: absolute;
  top: 10px;
  right: 10px;
  background: #2a2a2a;
  color: #ccc;
  border: 1px solid #444;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.copy-button:hover {
  background: #444;
  color: #fff;
}

.copy-button2 {
  position: absolute;
  top: 10px;
  right: 10px;
  background: #2a2a2a;
  color: #ccc;
  border: 1px solid #444;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.copy-button2:hover {
  background: #444;
  color: #fff;
}

.copy-button3 {
  position: absolute;
  top: 10px;
  right: 10px;
  background: #2a2a2a;
  color: #ccc;
  border: 1px solid #444;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.copy-button3:hover {
  background: #444;
  color: #fff;
}

pre {
  background-color: #2d2d2d;
  color: #f8f8f2;
  margin-top: 40px;
  padding: 1em;
  border-radius: 8px;
  overflow-x: auto;
  font-family: "Courier New", Courier, monospace;
  font-size: 14px;
}

.comment {
  color: #6a9955;
}

.tag {
  color: #569cd6;
}

.attr-name {
  color: #9cdcfe;
}

.attr-value {
  color: #ce9178;
}

/* 説明・コードをまとめたセクション */
.code-section {
  margin-bottom: 3rem;
  padding: 1.5rem;
  background-color: #1a1a1d;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

/* セクションタイトル */
.section-title {
  margin-top: 0;
  font-size: 1.5rem;
  color: #ffffff;
  margin-bottom: 1rem;
}

/* 説明文ボックス */
.description-box {
  margin-bottom: 1rem;
  line-height: 1.6;
  color: #cccccc;
  font-size: 0.95rem;
}

.description-box p {
  margin-bottom: 0.5em;
}

/* インラインのコード要素 */
.description-box code {
  background-color: #2d2d2d;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'Fira Code', 'Courier New', monospace;
  font-size: 0.85rem;
}