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.menu-list li{animation:rise var(--slow) var(--ease) both;animation-delay:calc(.11s + var(--i, 0) * 55ms)}.menu-item{width:100%;display:grid;grid-template-columns:40px minmax(0,1fr);align-items:baseline;padding:14px 0;text-align:left}.menu-item .num{font-size:13px;font-variant-numeric:tabular-nums;color:var(--ink-3);transition:color var(--fast)}.menu-item .name{font-size:30px;font-weight:500;line-height:1.15;letter-spacing:-.02em;color:var(--ink-2);transition:color var(--fast),transform var(--base) var(--ease)}.menu-item small{grid-column:2;margin-top:4px;font-size:13px;color:var(--ink-3)}.menu-item[aria-current] .name{font-weight:700;color:var(--ink)}.menu-item[aria-current] .num{color:var(--blue)}@media(hover:hover){.menu-item:hover .name{color:var(--ink);transform:translate(6px)}}.menu-foot{flex-shrink:0;display:flex;flex-direction:column;align-items:flex-start;gap:14px;padding:20px var(--gutter) calc(24px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--line)}dialog.drawer.info-drawer{inset:12px 0 0;height:auto;border-radius:22px 22px 0 0;opacity:1;transform:translateY(100%)}dialog.drawer.info-drawer[data-open]{transform:none}.info-drawer .drawer-head{padding-left:var(--gutter)}.drawer-body{position:relative;flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:28px var(--gutter) calc(48px + env(safe-area-inset-bottom,0px))}.drawer-body h2{margin-bottom:14px;font-size:30px;font-weight:500;line-height:1.15;letter-spacing:-.02em}.drawer-body p{margin-bottom:12px;font-size:15px;line-height:1.65;color:var(--ink-2)}.info-section{margin-top:28px;padding-top:24px;border-top:1px solid var(--line);scroll-margin-top:12px}.info-section h3{margin-bottom:14px;font-size:11px;font-weight:600;letter-spacing:.18em;text-transform:uppercase}.legend{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 16px;margin:0 0 18px;padding:0;list-style:none}.legend li{display:flex;align-items:center;gap:10px;font-size:14px}.legend i{width:12px;height:12px;border-radius:50%;box-shadow:inset 0 0 0 1px #0c0d1224}.source-list{display:grid;gap:2px;margin:8px 0 0;padding:0;list-style:none}.source-list a,.drawer-body p a{display:inline-flex;align-items:center;gap:4px;text-decoration:underline;text-decoration-color:var(--line-2);text-underline-offset:3px;transition:color var(--fast),text-decoration-color var(--fast)}.source-list a{min-height:36px;font-size:14px;color:var(--ink)}@media(hover:hover){.source-list a:hover,.drawer-body p a:hover{color:var(--blue);text-decoration-color:var(--blue)}}.drawer-body .notice{margin:28px 0 16px;padding:16px 18px;border-radius:14px;background:var(--bg);font-size:13px;color:var(--ink-2)}.drawer-body .credit{display:block;line-height:1.55}@media(min-width:900px){.app{display:grid;grid-template-columns:minmax(0,1fr) var(--column);grid-template-rows:100dvh}.topbar{grid-column:1 / 2;grid-row:1 / 2}.menu-button{width:auto;min-width:196px;padding:0 32px}.menu-text{display:inline}.crumbs{top:26px;min-width:min(320px,30vw)}.crumb-trail{display:inline}.layer-toggle{position:absolute;top:22px;right:var(--gutter);display:flex;gap:20px}.layer-toggle button{position:relative;padding:8px 0;font-size:11px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);transition:color var(--fast)}.layer-toggle button:after{content:"";position:absolute;left:0;right:0;bottom:2px;height:1.5px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform var(--base) var(--ease)}.layer-toggle button[aria-pressed=true]{color:var(--ink)}.layer-toggle button[aria-pressed=true]:after{transform:scaleX(1)}.layer-toggle button:hover{color:var(--ink)}.stage{position:relative;grid-column:1 / 2;grid-row:1 / 2;overflow:hidden;overflow:clip;transform:none}.canvas-wrap{inset:24px 0 96px}.stage-tools{grid-column:1 / 2;grid-row:1 / 2;top:50%;right:24px;transform:translateY(-50%)}.stage-guide{position:absolute;left:var(--gutter);right:calc(var(--gutter) + 72px);bottom:36px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;margin:0;padding:0;list-style:none;animation:fade var(--slow) var(--ease) both}.stage-guide h2{display:flex;align-items:center;gap:10px;margin-bottom:10px;font-size:11px;font-weight:600;letter-spacing:.18em;text-transform:uppercase}.stage-guide h2:before{content:"";width:32px;height:1px;background:var(--ink)}.stage-guide p{max-width:30ch;margin-left:42px;font-size:13px;line-height:1.6;color:var(--ink-3)}.stage>.step-rail{position:absolute;left:var(--gutter);top:50%;transform:translateY(-50%);animation:fade var(--slow) var(--ease) both}.stage>.player{position:absolute;left:calc(var(--gutter) + 104px);right:calc(var(--gutter) + 72px);bottom:32px;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:12px 40px;animation:rise var(--slow) var(--ease) both}.stage>.player .current-step h3{font-size:26px}.stage>.player .motion-note{grid-column:1 / -1}.column{grid-column:2;grid-row:1;position:relative;z-index:3;min-height:0;display:flex;flex-direction:column;border-left:1px solid var(--line-2);background:#ffffff8c}.column>.panel-head{flex-shrink:0;padding:18px var(--gutter) 4px}.column-body{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:4px var(--gutter) 32px;scrollbar-width:thin;scrollbar-color:var(--line-2) transparent}.column-foot{flex-shrink:0;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:14px var(--gutter) 18px;border-top:1px solid var(--line)}.detail-title{font-size:32px}dialog.drawer.menu-drawer{inset:0 auto 0 0;width:min(460px,100vw);opacity:1;transform:translate(-100%);box-shadow:24px 0 60px #141a4614}dialog.drawer.menu-drawer[data-open]{transform:none}.menu-drawer .menu-button{min-width:196px}dialog.drawer.info-drawer{inset:0 0 0 auto;width:min(560px,100vw);height:100dvh;border-radius:0;transform:translate(100%);box-shadow:-24px 0 60px #141a4614}dialog.drawer.info-drawer[data-open]{transform:none}}@media(min-width:900px)and (max-height:760px){.stage-guide p{display:none}.step-rail button.current{font-size:36px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:1ms!important;animation-delay:0ms!important;transition-duration:1ms!important;scroll-behavior:auto!important}}