*{box-sizing:border-box}html,body{margin:0;padding:0;overflow:hidden;background:transparent;letter-spacing:0}body{font-family:Pretendard,"Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic","Segoe UI",sans-serif;color:var(--text);word-break:keep-all;overflow-wrap:anywhere}h1,h2,p{margin:0}
      .diagram{width:100%;display:grid;gap:18px;padding:28px;border:1px solid var(--line);border-radius:8px;background:var(--paper);contain:layout paint;overflow:hidden}
      .nest-ch13-ch13-1-head,.nest-ch13-ch13-1-step,.nest-ch13-ch13-1-table-wrap,.nest-ch13-ch13-1-note{border:1px solid var(--line);border-radius:8px;background:var(--panel)}.nest-ch13-ch13-1-head{display:grid;gap:10px;padding:18px}.nest-ch13-ch13-1-num{width:fit-content;padding:4px 9px;border:1px solid var(--line);border-radius:7px;background:var(--track-muted);color:var(--track-strong);font-size:13px;font-weight:800;line-height:1.3}
      h1{font-size:27px;line-height:1.25;font-weight:850;color:var(--text)}h2{font-size:16px;line-height:1.35;font-weight:820;color:var(--text)}.nest-ch13-ch13-1-lead,.nest-ch13-ch13-1-body,.nest-ch13-ch13-1-note{font-size:14px;line-height:1.55;color:var(--muted)}
      .nest-ch13-ch13-1-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.nest-ch13-ch13-1-step{display:grid;gap:8px;min-height:128px;padding:14px}.nest-ch13-ch13-1-table-wrap{overflow:hidden}table{width:100%;border-collapse:collapse;table-layout:fixed}th,td{padding:12px 13px;border-right:1px solid var(--line-muted);border-bottom:1px solid var(--line-muted);text-align:left;vertical-align:top;font-size:14px;line-height:1.5}th:last-child,td:last-child{border-right:0}tbody tr:last-child td{border-bottom:0}th{background:var(--track-muted);font-weight:820;color:var(--text)}td{color:var(--muted)}td b{color:var(--text)}.nest-ch13-ch13-1-note{padding:14px 16px}.nest-ch13-ch13-1-note b{color:var(--text)}
      @media(max-width:820px){.nest-ch13-ch13-1-steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
      @media(max-width:640px){.diagram{padding:16px;gap:14px}h1{font-size:22px}.nest-ch13-ch13-1-steps{grid-template-columns:1fr}.nest-ch13-ch13-1-step{min-height:auto}table,tbody,tr,td{display:block;width:100%}thead{display:none}tr{border-bottom:1px solid var(--line)}tbody tr:last-child{border-bottom:0}td{border-right:0;padding:10px 12px}td::before{content:attr(data-label);display:block;margin-bottom:3px;color:var(--track-strong);font-size:12px;font-weight:820}}