/* 광고 배치 확인 전용. 실광고의 ins·iframe은 꾸미지 않는다. */.ad-preview{box-sizing:border-box;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:12px;width:100%;min-width:0;min-height:120px;margin-block:32px;padding:20px;border:1px dashed var(--color-warning);border-radius:0;background:var(--color-warning-surface);color:var(--color-warning);text-align:center;font-style:normal}.ad-preview > span{font-size:11px;letter-spacing:.12em}.ad-preview > strong{font-size:17px;overflow-wrap:anywhere}.ad-preview > small{font-size:12px}.ad-preview--sidebar{min-height:250px}/* 광고를 목차 내부 스크롤 영역에 가두지 않는다. */.content-sidebar:has(.ad-preview){position:static}.content-sidebar:has(.ad-preview) .content-sidebar__body{max-height:none;overflow:visible}@media (max-width: 767px){.ad-preview{min-height:250px;margin-block:28px}}@media print{.ad-preview{display:none}}