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<style>
  /* === [1] Reset & Base === */
  * { box-sizing: border-box; }
  
  .topbar {
    position: fixed; top: 0; left: 0; right: 0;
    height: 56px; background: #8FBC8F; z-index: 99999;
    padding-top: env(safe-area-inset-top, 0px);
  }
  .topbar__inner {
    max-width: 1200px; margin: 0 auto; height: 100%;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 20px;
  }
  .brand {
    font-weight: 700; font-size: 15px; color: #fff; text-decoration: none;
    line-height: 1.2; z-index: 10002;
  }
  .gnb { list-style: none; margin: 0; padding: 0; display: flex; }
  .gnb a { text-decoration: none; color: #fff; }

  /* === [2] PC (1100px 초과) === */
  @media (min-width: 1101px) {
    .menu-toggle { display: none !important; }
    .gnb { gap: 10px; align-items: center; }
    .gnb > li { position: relative; }
    .gnb > li > a {
      display: block; padding: 8px 14px; border-radius: 20px;
      font-size: 14px; font-weight: 500; white-space: nowrap;
    }
    .gnb > li > a:hover { background: rgba(255,255,255,0.25); }
    
    .submenu {
      display: none; position: absolute; top: 100%; left: 0;
      min-width: 160px; background: #fff; padding: 8px 0;
      border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.1);
      z-index: 10000;
    }
    .gnb > li:hover .submenu { display: block; }
    .submenu li a { display: block; padding: 8px 15px; color: #333; font-size: 13px; }
    .submenu li a:hover { background: #f0f0f0; }
  }

  /* === [3] 모바일 (1100px 이하) - 햄버거 버튼 수정됨 === */
  @media (max-width: 1100px) {
    /* 버튼 컨테이너 강제 크기 지정 */
    .menu-toggle {
      display: flex !important;
      flex-direction: column;
      justify-content: space-between;
      align-items: center;
      width: 30px !important;
      height: 20px !important; /* 높이 지정 중요 */
      background: transparent !important;
      border: none !important;
      cursor: pointer;
      z-index: 10002;
      padding: 0 !important;
      margin: 0 !important;
    }
    
    /* 햄버거 작대기 3개 스타일 강제 적용 */
    .menu-toggle span {
      display: block !important;
      width: 100% !important;
      height: 2px !important; /* 두께 */
      background-color: #ffffff !important; /* 흰색 강제 */
      border-radius: 2px;
      transition: all 0.3s ease;
      opacity: 1 !important; /* 투명도 방지 */
    }

    /* GNB 패널 */
    .gnb {
      position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
      background: #8FBC8F; flex-direction: column; 
      padding-top: 60px; display: none; overflow-y: auto;
    }
    .gnb.open { display: flex; }

    /* 메뉴 항목 정렬 수정 (왼쪽 정렬) */
    .gnb > li { 
        width: 100%; display: block;
        border-bottom: 1px solid rgba(255,255,255,0.15); 
    }
    .gnb > li > a {
      display: flex; 
      justify-content: flex-start; /* 왼쪽 정렬 */
      align-items: center;
      padding: 16px 24px;
      font-size: 15px; font-weight: 600;
      color: #fff !important; 
      width: 100%;
    }
    
    /* 호버 시 색상 및 정렬 유지 */
    .gnb > li > a:hover, 
    .gnb > li > a:active,
    .gnb > li.open > a {
        background-color: rgba(0,0,0,0.15) !important;
        color: #fff !important;
        padding-left: 24px !important;
    }

    /* 서브메뉴 */
    .submenu {
      display: none; position: static !important; width: 100%; 
      background-color: rgba(0,0,0,0.2) !important; 
      box-shadow: none; padding: 0;
    }
    .gnb > li.open .submenu { display: block; }
    
    .submenu ul { list-style: none; margin: 0; padding: 0; }
    .submenu li a {
        padding: 12px 36px;
        font-size: 14px; 
        color: rgba(255,255,255,0.95) !important; 
        border-bottom: 1px solid rgba(255,255,255,0.05);
        justify-content: flex-start;
    }
  }

  /* === [4] 노션 본문 세로 깨짐(일렬현상) 완벽 해결 === */
  @media (max-width: 1100px) {
    .notion-row {
      display: flex !important;
      flex-wrap: wrap !important;
      flex-direction: column !important;
      width: 100% !important;
    }

    .notion-column {
      display: block !important;
      width: 100% !important;
      min-width: 100% !important;
      max-width: 100% !important;
      margin: 0 0 24px 0 !important;
      flex: none !important;
    }

    .notion-text, .notion-heading, .notion-callout-text, .notion-column * {
        white-space: normal !important;
        word-break: keep-all !important;
        overflow-wrap: break-word !important;
    }
    
    .notion-callout {
        width: 100% !important;
        display: block !important;
    }
  }

  /* === [5] 상품 페이지 제목 강화 === */
  .notion-page-title-text, 
  h1.notion-heading {
      font-weight: 800 !important;
      color: #111 !important;
      letter-spacing: -0.5px !important;
      opacity: 1 !important;
  }
  
  .notion-heading {
      font-weight: 700 !important;
      color: #222 !important;
  }
</style>

<script>
  (function(){
    var toggleBtn = document.querySelector('.menu-toggle');
    var gnbMenu = document.querySelector('.gnb');

    // 토글 함수
    function toggleMenu() {
      if (gnbMenu) gnbMenu.classList.toggle('open');
    }

    if (toggleBtn) {
      toggleBtn.addEventListener('click', toggleMenu);
    }

    // 아코디언 핸들러 (반복문 함수 참조 문제 해결)
    function handleAccordion(e) {
      if (window.innerWidth <= 1100) {
        var parentLi = this.parentElement;
        var submenu = parentLi.querySelector('.submenu');
        
        if (submenu) {
          e.preventDefault();
          parentLi.classList.toggle('open');
        }
      }
    }

    var menuItems = document.querySelectorAll('.gnb > li > a');
    for (var i = 0; i < menuItems.length; i++) {
      menuItems[i].addEventListener('click', handleAccordion);
    }
  })();
</script>

SUPERJUNIOR 20th ANNIVERSARY EXHIBITION 'SUPER RECORDS' OFFICIAL MERCH