:root {
    --primary: #007823;
    --accent: #e6b422;
  }
  body {
    font-family: "Noto Sans JP", sans-serif;
    font-size: 16px;
    line-height: 1.7;
  }
  .bg-primary {
    background-color: var(--primary);
  }
  .text-primary {
    color: var(--primary);
  }
  .text-accent {
    color: var(--accent);
  }
  .border-primary {
    border-color: var(--primary);
  }
  .dot-overlay {
    background-image: radial-gradient(
      rgba(0, 0, 0, 0.4) 1.5px,
      transparent 1.5px
    );
    background-size: 5px 5px;
  }
  /* ナビゲーションホバーアニメーション */
  .nav-link {
    position: relative;
    transition: color 0.25s ease;
  }
  .nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: width 0.3s ease;
  }
  .nav-link:hover::after {
    width: 100%;
  }