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.brand{white-space:nowrap;font-size:.92rem}.tile{align-content:start}.subject-grid{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}.tabbar{z-index:30;background:var(--surface);border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom,0px));grid-template-columns:repeat(5,1fr);display:grid;position:fixed;bottom:0;left:0;right:0}.tabbar-item{color:var(--muted);border-radius:var(--radius);justify-items:center;gap:2px;padding:4px 0;font-size:.68rem;font-weight:600;text-decoration:none;display:grid}.tabbar-item .icon{width:22px;height:22px}.tabbar-on{color:var(--accent-strong)}.tabbar-on .icon{stroke-width:2px}.icon-btn-on{color:var(--accent-strong);background:var(--accent-soft)}.shell-main{padding-bottom:calc(76px + env(safe-area-inset-bottom,0px))}@media (min-width:1024px){.tabbar{display:none}.shell-main{padding-bottom:0}}@media (max-width:1023px){.container{padding:16px 14px}h1{font-size:1.35rem}.card{margin:12px 0;padding:16px}.actions .btn{text-align:center;flex:100%}.tiles{grid-template-columns:repeat(2,1fr)}.tile-v{font-size:1.45rem}}.path-list{position:relative}.path-item{grid-template-columns:30px 1fr 16px;min-height:60px;position:relative}.path-item:after{content:"";border-right:1.5px solid var(--muted);border-top:1.5px solid var(--muted);opacity:.5;grid-area:1/3/span 2;justify-self:center;width:8px;height:8px;transform:rotate(45deg)}.path-item .path-dot{z-index:1;background:var(--surface);justify-self:center;width:20px;height:20px;position:relative}.path-list:before{content:"";background:var(--line);width:2px;position:absolute;top:18px;bottom:18px;left:14px}.path-done .path-dot{background:var(--good)}.path-meta{grid-column:2}.path-link{padding:2px 0;display:block}.level-block>summary{min-height:52px}.todo li{padding:12px 14px}.todo-main{font-size:1.02rem}.mock-card{min-height:120px}.q-progress{align-items:center;gap:12px;margin:4px 0 2px;display:flex}.q-count{font-variant-numeric:tabular-nums;font-weight:700}.q-dots{flex-wrap:wrap;gap:5px;display:flex}.q-dot{background:var(--line);border-radius:999px;width:10px;height:10px;display:block}.q-dot-cur{background:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.q-dot-done{background:var(--accent-mid)}.q-dot-ok{background:var(--good)}.q-dot-ng{background:var(--blush)}.q-nav{grid-template-columns:1fr 2fr;gap:10px;margin:12px 0;display:grid}.q-nav .btn{width:100%;min-height:52px}.quiz-q .score svg{max-width:100%}.score-compact{max-width:440px}.singcheck{border-top:1px solid var(--line,#e3e8eb);margin-top:16px;padding-top:14px}.singcheck-title{margin:0 0 6px;font-size:1rem}.singcheck-live{flex-direction:column;align-items:center;gap:12px;padding:18px 0;display:flex}.singcheck-now{margin:0;font-size:1.4rem;font-weight:700}.singcheck-beats{gap:12px;display:flex}.singcheck-beat{background:var(--line,#e3e8eb);border-radius:999px;width:18px;height:18px}.singcheck-beat.on{background:var(--accent);transform:scale(1.25)}.singcheck-sum{margin:10px 0 6px;font-size:1.05rem}.singcheck-sum strong{color:var(--good);font-size:1.5rem}.singcheck-legend{color:var(--muted);flex-wrap:wrap;gap:6px 14px;font-size:.82rem;display:flex}.lg:before{content:"";vertical-align:-1px;border-radius:999px;width:10px;height:10px;margin-right:5px;display:inline-block}.lg-ok:before{background:#3d7a50}.lg-near:before{background:#c27c12}.lg-off:before{background:#c43d5c}.lg-silent:before{background:#9aa3aa}.singcheck-list{margin:8px 0;padding-left:1.2em;font-size:.92rem}@media (prefers-reduced-motion:reduce){.singcheck-beat.on{transform:none}}.quick{gap:10px;margin:4px 0 18px;display:grid}.quick-main{border-radius:var(--radius);background:var(--accent);color:var(--accent-ink);gap:2px;padding:18px 20px;text-decoration:none;display:grid}.quick-main:hover{background:var(--accent-strong)}.quick-main-label{font-size:1.25rem;font-weight:700}.quick-main-sub{opacity:.85;font-size:.85rem}.quick-grid{grid-template-columns:repeat(4,1fr);gap:10px;display:grid}.quick-btn{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);color:var(--ink);align-content:center;gap:2px;min-height:64px;padding:14px;text-decoration:none;display:grid}.quick-btn:hover{border-color:var(--accent-mid);background:var(--accent-soft)}.quick-btn-label{color:var(--accent);font-size:1.05rem;font-weight:700}.quick-btn-sub{color:var(--muted);font-size:.78rem}.quick-main:focus-visible,.quick-btn:focus-visible{outline:3px solid var(--blush);outline-offset:2px}@media (max-width:720px){.quick-grid{grid-template-columns:repeat(2,1fr)}}