/* 기본 페이지 스타일 */
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.6;
            margin: 0;
            padding: 20px;
            background-color: #fdfdfd;
            color: #333;
        }
        .container {
            max-width: 800px;
            margin: 0 auto;
            background: #fff;
            padding: 20px 40px;
            border-radius: 8px;
            border: 1px solid #eee;
        }

        /* * =====================================================
         * 2. 이 부분을 복사해서 스킨 편집 > CSS에 추가하세요.
         * =====================================================
         */
        /* 자동 목차 스타일 */
        .toc-container {
            border: 1px solid #e8e8e8;
            background-color: #f9f9f9;
            padding: 15px 20px;
            margin: 30px 0;
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
        }

        .toc-title {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 25px;
            font-weight: bold;
            cursor: pointer;
            position: relative;
            padding-left: 40px;
        }

        /* 파란색 책갈피 아이콘 모양 */
        .toc-title::before {
            content: '';
            position: absolute;
            left: -10px ;
            top: 5px;
            transform: translateY(-50%);
            width: 24px;
            height: 42px;
            background-color: #4A90E2;
            clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 75%, 0 100%);
        }

        .toc-toggle-button {
            background-color: #4A90E2;
            color: white;
            border: none;
            border-radius: 4px;
            padding: 4px 12px;
            font-size: 0.8em;
            cursor: pointer;
            transition: background-color 0.2s;
        }

        .toc-toggle-button:hover {
            background-color: #357ABD;
        }

        .toc-list {
            list-style: none;
            padding-left: 0;
            margin-top: 15px;
            margin-bottom: 0;
            overflow: hidden;
            transition: max-height 0.35s ease-in-out, margin-top 0.35s ease-in-out;
            max-height: 1000px; /* 충분히 큰 값 */
        }
        
        .toc-list ul {
            list-style: none;
            padding-left: 20px;
        }

        .toc-list li {
            margin: 8px 0;
        }
        
        .toc-list li a {
            text-decoration: none;
            color: #333;
            display: block;
        }

        .toc-list li a:hover {
            color: #4A90E2;
            text-decoration: underline;
        }
        
        /* 목차가 닫혔을 때의 스타일 */
        .toc-list.hidden {
            max-height: 0;
            margin-top: 0;
        }

        h2, h3, h4 {
            scroll-margin-top: 20px; /* 목차 클릭 시 제목이 상단에 가려지지 않도록 여백 추가 */
        }