.reader[data-astro-cid-kc6wgcei]{width:min(1400px,100% - 40px);margin:0 auto;padding:28px 0 56px}.back-link[data-astro-cid-kc6wgcei]{margin-bottom:18px}.reader-heading[data-astro-cid-kc6wgcei]{align-items:center;gap:20px;display:flex}.thumbnail[data-astro-cid-kc6wgcei]{object-fit:contain;width:65px;height:90px}h1[data-astro-cid-kc6wgcei]{margin:0;font-size:clamp(25px,4vw,36px)}.reader-heading[data-astro-cid-kc6wgcei] p[data-astro-cid-kc6wgcei]{color:var(--muted);font-size:14px}.languages[data-astro-cid-kc6wgcei]{gap:12px;margin-top:16px;display:flex}.languages[data-astro-cid-kc6wgcei] a[data-astro-cid-kc6wgcei]{border:1px solid var(--line);border-radius:4px;padding:8px 14px}.languages[data-astro-cid-kc6wgcei] a[data-astro-cid-kc6wgcei][aria-current=page]{background:var(--navy);color:#fff}.reader-controls[data-astro-cid-kc6wgcei]{background:#edf3f7;border-radius:6px;flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;margin-top:24px;padding:14px;display:flex;position:relative}.toc-control[data-astro-cid-kc6wgcei]{order:-1;position:relative}.toc-toggle[data-astro-cid-kc6wgcei]{white-space:nowrap;border-color:var(--navy)}.toc-toggle[data-astro-cid-kc6wgcei][aria-expanded=true]{background:var(--blue)}.toc-panel[data-astro-cid-kc6wgcei]{z-index:3;box-sizing:border-box;overscroll-behavior:contain;border:1px solid var(--line);background:#fff;border-radius:6px;width:min(90vw,400px);max-height:70dvh;padding:8px;position:absolute;top:calc(100% + 8px);left:0;overflow-y:auto;box-shadow:0 6px 22px #142f4a20}.toc-panel[data-astro-cid-kc6wgcei] ul[data-astro-cid-kc6wgcei]{gap:4px;margin:0;padding:0;list-style:none;display:grid}.toc-panel[data-astro-cid-kc6wgcei] button[data-astro-cid-kc6wgcei]{text-align:left;width:100%;font-family:var(--font-body);white-space:normal;word-break:normal;overflow-wrap:anywhere;color:var(--navy);background:#fff;border-color:#0000;padding:12px 14px;line-height:1.7;display:block}.toc-panel[data-astro-cid-kc6wgcei] button[data-astro-cid-kc6wgcei]:hover,.toc-panel[data-astro-cid-kc6wgcei] button[data-astro-cid-kc6wgcei]:focus-visible{background:#edf3f7}.toc-panel[data-astro-cid-kc6wgcei] button[data-astro-cid-kc6wgcei]:focus-visible{outline-offset:-3px}.toc-panel[data-astro-cid-kc6wgcei] button[data-astro-cid-kc6wgcei]:active{background:#dfe9f1;border-color:#c5d5e2}form[data-astro-cid-kc6wgcei]{align-items:center;gap:8px;display:flex}button[data-astro-cid-kc6wgcei]{border:1px solid var(--line);background:var(--navy);color:#fff;border-radius:5px;min-height:44px;padding:8px 16px}button[data-astro-cid-kc6wgcei]:disabled{color:#627384;cursor:default;background:#e2e8ee}input[data-astro-cid-kc6wgcei]{width:70px;min-height:44px;color:var(--navy);background:#fff;border:1px solid #9fb4c5;border-radius:4px;padding:8px}.page-status[data-astro-cid-kc6wgcei]{text-align:center;color:var(--muted);margin:12px 0;font-size:14px}.reader-sheet[data-astro-cid-kc6wgcei]{background:#fff;grid-template-columns:minmax(0,1fr);align-items:start;max-width:850px;min-height:200px;margin-inline:auto;display:grid;box-shadow:0 3px 18px #142f4a15}.reader[data-astro-cid-kc6wgcei][data-spread=true] .reader-sheet[data-astro-cid-kc6wgcei]{background:#bbc5ce;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px;max-width:1400px}.reader-sheet[data-astro-cid-kc6wgcei] img[data-astro-cid-kc6wgcei]{width:100%;min-width:0;height:auto;display:block}.toolbar-status[data-astro-cid-kc6wgcei]{font-size:14px;display:none}.fullscreen-error[data-astro-cid-kc6wgcei]{text-align:center}.reader[data-astro-cid-kc6wgcei]:fullscreen{background:#e8edf1;width:100%;max-width:none;height:100%;margin:0;padding:0 16px 24px;overflow:auto}.reader[data-astro-cid-kc6wgcei]:fullscreen .reader-header[data-astro-cid-kc6wgcei],.reader[data-astro-cid-kc6wgcei]:fullscreen form[data-astro-cid-kc6wgcei],.reader[data-astro-cid-kc6wgcei]:fullscreen .page-status[data-astro-cid-kc6wgcei]{display:none}.reader[data-astro-cid-kc6wgcei]:fullscreen .reader-controls[data-astro-cid-kc6wgcei]{z-index:2;border-radius:0;margin:0 0 12px;padding:8px;position:sticky;top:0}.reader[data-astro-cid-kc6wgcei]:fullscreen .toolbar-status[data-astro-cid-kc6wgcei]{display:inline}.reader[data-astro-cid-kc6wgcei]:fullscreen .reader-sheet[data-astro-cid-kc6wgcei]{max-width:850px}.reader[data-astro-cid-kc6wgcei]:fullscreen[data-spread=true] .reader-sheet[data-astro-cid-kc6wgcei]{max-width:1400px}.reader-error[data-astro-cid-kc6wgcei]{text-align:center;margin-top:16px}@media (width>=900px){.reader[data-astro-cid-kc6wgcei][data-spread=true] .reader-sheet[data-astro-cid-kc6wgcei]{position:relative}.reader[data-astro-cid-kc6wgcei][data-spread=true] .reader-sheet[data-astro-cid-kc6wgcei]:after{content:"";inset-block:0;pointer-events:none;background:linear-gradient(90deg,#0000,#142f4a08 30%,#142f4a1a 49%,#142f4a12 51%,#142f4a05 72%,#0000);width:28px;position:absolute;left:50%;transform:translate(-50%);mask-image:linear-gradient(#0000,#000 2% 98%,#0000)}.reader[data-astro-cid-kc6wgcei]:fullscreen{flex-direction:column;height:100dvh;padding:0 0 16px;display:flex}.reader[data-astro-cid-kc6wgcei]:fullscreen .reader-controls[data-astro-cid-kc6wgcei]{flex:none;gap:10px;margin-bottom:10px;padding:5px 12px}.reader[data-astro-cid-kc6wgcei]:fullscreen .reader-controls[data-astro-cid-kc6wgcei] button[data-astro-cid-kc6wgcei]{min-height:34px;padding:4px 12px;font-size:13px}.reader[data-astro-cid-kc6wgcei]:fullscreen .toolbar-status[data-astro-cid-kc6wgcei]{font-size:13px}.reader[data-astro-cid-kc6wgcei]:fullscreen .reader-sheet[data-astro-cid-kc6wgcei]{width:45vw;max-width:none;min-height:0;box-shadow:none;background:0 0;flex:1 1 0;grid-template-rows:minmax(0,1fr);align-items:stretch}.reader[data-astro-cid-kc6wgcei]:fullscreen[data-spread=true] .reader-sheet[data-astro-cid-kc6wgcei]{background:0 0;width:90vw;max-width:none}.reader[data-astro-cid-kc6wgcei]:fullscreen .reader-sheet[data-astro-cid-kc6wgcei] img[data-astro-cid-kc6wgcei]{object-fit:contain;height:100%;min-height:0}.reader[data-astro-cid-kc6wgcei]:fullscreen[data-spread=true] .reader-sheet[data-astro-cid-kc6wgcei] img[data-astro-cid-kc6wgcei]:first-child{object-position:right center}.reader[data-astro-cid-kc6wgcei]:fullscreen[data-spread=true] .reader-sheet[data-astro-cid-kc6wgcei] img[data-astro-cid-kc6wgcei]:last-child{object-position:left center}}@media (width<=600px){.reader[data-astro-cid-kc6wgcei]{width:100%;padding-top:18px}.reader-header[data-astro-cid-kc6wgcei],.reader-error[data-astro-cid-kc6wgcei]{padding-inline:16px}.reader-controls[data-astro-cid-kc6wgcei]{border-radius:0;gap:8px;padding:12px 8px}button[data-astro-cid-kc6wgcei]{padding-inline:10px}.reader-controls[data-astro-cid-kc6wgcei]>button[data-astro-cid-kc6wgcei]{flex:1}form[data-astro-cid-kc6wgcei]{flex-basis:100%;order:1;justify-content:center}}