:root {
    --primary-color: #183181;
    --secondary-color: #ED1A3A;
    --accent-color: #183181;
}

.note-card {
  width: 320px;
  margin: 16px auto 0px;
  padding: 16px;
  border-radius: 5px;
  background: #ffffff;
  border: 1px solid #dbeafe;
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.08);
  font-size: 1.2rem;
  line-height: 1.7;
  color: #1f2937;
  position: relative;
}

/* 上部にブルーアクセントバー */
.note-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 4px;
  width: 100%;
  background: var(--primary-color);
  border-radius: 5px 5px 0 0;
}

.note-title {
  font-weight: 600;
  margin-bottom: 10px;
  font-size: 1.5rem;
  color: var(--primary-color);
}

.note-list {
  padding-left: 0;
  margin: 0;
  list-style: none;
}

.note-list li {
  margin-bottom: 10px;
}

/* 例の部分 */
.example {
  display: inline-block;
  margin-top: 2px;
  padding: 3px 7px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 5px;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 1.3rem;
  color: var(--primary-color);
}