.vlb-navigation-launch{padding:1rem;text-align:center}.vlb-navigation-launch button,#vlb-navigation-dialog button{font:inherit;cursor:pointer;border:1px solid #8b8b8b;border-radius:6px;padding:.45em .8em;background:#fff;color:#222}.vlb-navigation-launch button:focus-visible,#vlb-navigation-dialog :focus-visible{outline:3px solid #2867b2;outline-offset:3px}#vlb-navigation-dialog{box-sizing:border-box;width:min(640px,calc(100% - 2rem));max-height:85dvh;overflow:auto;border:1px solid #aaa;border-radius:12px;padding:1.5rem;background:#fff;color:#222;font:16px/1.65 system-ui,sans-serif}#vlb-navigation-dialog::backdrop{background:rgba(0,0,0,.48)}.vlb-navigation-heading{display:flex;align-items:center;justify-content:space-between;gap:1rem}.vlb-navigation-heading h2{font-size:1.3rem;margin:0 0 1rem}.vlb-navigation-search-row{display:flex;gap:.5rem;margin:.4rem 0 1rem}#vlb-navigation-search{min-width:0;flex:1;font:inherit;padding:.5rem;border:1px solid #777;border-radius:4px}#vlb-navigation-dialog a{color:#164a89;text-decoration:underline}#vlb-navigation-dialog li{margin:.5rem 0}#vlb-navigation-dialog kbd{font-size:.85em;background:#f0f0f0;border:1px solid #aaa;border-radius:3px;padding:.1em .3em}.vlb-navigation-note{font-size:.88rem;color:#555}.vlb-navigation-setting{display:block;border-top:1px solid #ddd;padding-top:1rem}#vlb-toc-h{scroll-margin-top:5rem}