.document-section{padding-block:44px 72px}.document-heading{justify-content:space-between;align-items:end;gap:24px;margin-bottom:24px;display:flex}.document-heading .section-label{margin-bottom:12px}.document-heading h1{font-size:clamp(32px,4vw,48px)}.document-actions{flex-shrink:0;align-items:center;gap:24px;display:flex}.document-notice{border-left:3px solid var(--accent);background:var(--surface);color:var(--ink);margin-bottom:24px;padding:16px 20px;font-size:16px}.document-help{color:var(--muted);margin-top:18px;font-size:16px}.pdf-viewer{border:1px solid var(--line);background:#f2f4f3}.pdf-toolbar{background:var(--paper);border-bottom:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;gap:16px;padding:12px 16px;display:flex}.pdf-controls,.pdf-page-label{align-items:center;gap:8px;display:flex}.pdf-toolbar button,.pdf-toolbar select{border:1px solid var(--line);background:var(--paper);min-width:44px;min-height:44px;color:var(--navy);font:inherit;touch-action:manipulation;font-size:16px}.pdf-toolbar button{cursor:pointer;-webkit-user-select:none;user-select:none;justify-content:center;align-items:center;gap:8px;display:inline-flex}.pdf-toolbar button:disabled{opacity:.4;cursor:default}.pdf-toolbar button:active:not(:disabled){background:var(--accent-soft)}.pdf-toolbar select{padding-inline:8px}.pdf-toolbar .pdf-fit{margin-left:8px;padding-inline:12px}.pdf-page-label{white-space:nowrap;font-size:16px}.pdf-zoom{text-align:center;font-variant-numeric:tabular-nums;min-width:48px;font-size:16px}.pdf-stage{scrollbar-gutter:stable;overscroll-behavior:contain;outline-offset:3px;min-height:300px;max-height:85svh;padding:24px;position:relative;overflow:auto}.pdf-sheet{justify-content:center;width:max-content;min-width:100%;display:flex}.pdf-sheet[hidden]{display:none}.pdf-sheet canvas{display:block;box-shadow:0 0 0 1px #19363826,0 8px 24px #19363824}.pdf-status{text-align:center;max-width:580px;color:var(--navy);background:var(--paper);margin-inline:auto;padding:48px 24px;font-size:17px}.pdf-status.pdf-loading{z-index:1;background:var(--paper);white-space:nowrap;pointer-events:none;margin:0;padding:10px 16px;position:absolute;top:12px;left:50%;transform:translate(-50%)}.pdf-status .button{margin:20px auto 0}.pdf-status .text-link{margin-left:20px}@media (hover:hover) and (pointer:fine){.pdf-toolbar button:hover:not(:disabled){background:var(--surface)}}@media (width<=700px){.document-section{padding-block:28px 48px}.document-heading{flex-direction:column;align-items:start;gap:20px}.document-actions{justify-content:space-between;gap:16px;width:100%}.document-notice{padding:12px 16px}.pdf-toolbar{justify-content:center;gap:10px;padding:10px}.pdf-controls{justify-content:center}.pdf-toolbar .pdf-fit{margin-left:0;padding-inline:8px;font-size:14px}.pdf-stage{min-height:220px;padding:12px}}.document-view-modes{gap:4px;margin-bottom:16px;display:flex}.document-view-modes button{min-height:44px;font:inherit;border:1px solid var(--line);color:var(--navy);cursor:pointer;touch-action:manipulation;background:0 0;padding:10px 16px;font-size:16px;font-weight:600}.document-view-modes button[aria-pressed=true]{color:var(--paper);background:var(--navy);border-color:var(--navy)}.book-instruction{color:var(--muted);align-self:center;font-size:16px}.book-stage{outline-offset:-3px;padding:32px;overflow:hidden}.book-stage[hidden]{display:none}.book-host{touch-action:pan-y pinch-zoom;width:100%;max-width:1080px;margin:auto}.book-host .stf__parent{margin-inline:auto}.book-stage:not(.is-portrait).is-front .stf__parent{transform:translate(-25%)}.book-stage:not(.is-portrait).is-back .stf__parent{transform:translate(25%)}.book-page{background:var(--paper);overflow:hidden;box-shadow:0 0 0 1px #19363826,0 8px 24px #19363824}.book-page img{object-fit:contain;-webkit-user-select:none;user-select:none;pointer-events:none;width:100%;height:100%;display:block}.book-page img:not([src]){visibility:hidden}.book-position{text-align:center;min-height:32px;color:var(--muted);font-variant-numeric:tabular-nums;padding:0 16px 16px;font-size:16px}@media (width<=700px){.book-stage{padding:20px 12px}.book-instruction{text-align:center;width:100%;font-size:14px}.document-view-modes button{flex:1;padding-inline:10px}}