:root{--bg: #fafaf9;--card: #fff;--text: #1c1917;--muted: #78716c;--line: #e7e5e4;--brand: #4f46e5;--brand-d: #4338ca;--brand-soft: #eef2ff;--ok: #16a34a;--warn: #f59e0b;--radius: 14px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Inter,sans-serif;background:var(--bg);color:var(--text);line-height:1.55}a{color:inherit;text-decoration:none}h1{font-size:clamp(1.7rem,4vw,2.4rem);line-height:1.15;margin:.4em 0 .3em;letter-spacing:-.02em}h2{margin:0 0 .4em}h3{margin:0 0 .6em}.container{max-width:1080px;margin:0 auto;padding:0 16px}main.container{padding-bottom:40px;padding-top:16px}.muted{color:var(--muted)}.small{font-size:.85rem}.lead{font-size:1.15rem;color:#44403c}.grow{flex:1}.topbar{background:#ffffffe6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.topbar-inner{display:flex;align-items:center;gap:24px;height:60px}.logo{font-weight:800;font-size:1.15rem}.nav-desktop{display:flex;gap:4px;flex:1}.nav-desktop a{padding:8px 12px;border-radius:8px;color:var(--muted);font-weight:500}.nav-desktop a.active,.nav-desktop a:hover{color:var(--brand);background:var(--brand-soft)}.topbar-right{margin-left:auto}.btn{display:inline-block;border:1px solid var(--line);background:#fff;padding:10px 18px;border-radius:10px;font:inherit;font-weight:600;cursor:pointer;transition:.15s}.btn:hover{border-color:var(--brand)}.btn.primary{background:var(--brand);color:#fff;border-color:var(--brand)}.btn.primary:hover{background:var(--brand-d)}.btn.big{padding:16px 32px;font-size:1.1rem;border-radius:12px}.btn.small{padding:6px 12px;font-size:.85rem}.badge{display:inline-block;padding:2px 10px;border-radius:99px;background:var(--brand-soft);color:var(--brand);font-size:.78rem;font-weight:600}.badge.pro{background:#fef3c7;color:#b45309}.badge.lvl-beginner{background:#dcfce7;color:#166534}.badge.lvl-intermediate{background:#fef3c7;color:#92400e}.badge.lvl-advanced{background:#fee2e2;color:#991b1b}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin:16px 0}.hero{text-align:center;padding:56px 0 40px}.hero .lead{max-width:560px;margin:0 auto 28px}.accent{color:var(--brand)}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.grid3 .card{margin:0}.emoji{font-size:2rem}.steps{padding:32px 0}.steps li{margin:8px 0}.bar{height:6px;background:var(--line);border-radius:9px;overflow:hidden}.bar.big{height:10px;margin:8px 0 16px}.bar div{height:100%;background:var(--brand);border-radius:9px;transition:width .3s}.time-badge{font-size:.8rem;color:var(--muted);min-width:110px;text-align:right}.time-badge .bar{margin-top:3px}.course-head{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}.course-head>div{flex:1;min-width:240px}.lesson-list{list-style:none;padding:0;margin:0}.lesson-row{display:flex;align-items:center;gap:14px;padding:14px 16px;background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:8px}.lesson-row:hover{border-color:var(--brand)}.lesson-row.next{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}.lesson-row .num{width:34px;height:34px;border-radius:50%;background:#f5f5f4;display:grid;place-items:center;font-weight:700;flex:none}.lesson-row.done .num{background:var(--ok);color:#fff}.video{aspect-ratio:16/9;background:#111;border-radius:var(--radius);overflow:hidden;margin:16px 0}.video iframe,.video video{width:100%;height:100%;border:0}.video.placeholder{display:grid;place-content:center;text-align:center;color:#d6d3d1;background:linear-gradient(135deg,#1e1b4b,#312e81)}.video .play{font-size:3rem;opacity:.8}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}.limit-notice{background:#fffbeb;border:1px solid #fcd34d;border-radius:var(--radius);padding:18px 20px;margin:16px 0;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}.limit-notice p{margin:0;font-weight:500;flex:1;min-width:240px}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 20px}.tabs button{border:1px solid var(--line);background:#fff;padding:8px 16px;border-radius:99px;font:inherit;cursor:pointer}.tabs button.active{background:var(--brand);color:#fff;border-color:var(--brand)}.song-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}.song-card{margin:0;display:flex;flex-direction:column;gap:4px;transition:.15s;height:100%}.song-card:hover{transform:translateY(-2px);border-color:var(--brand)}.song-card .row{display:flex;gap:6px;flex-wrap:wrap;margin-top:4px}.cover{aspect-ratio:1;border-radius:10px;display:grid;place-items:center;color:#ffffffd9;font-size:3rem;font-weight:800;margin-bottom:8px}.song-head{display:flex;gap:20px;margin:16px 0;align-items:flex-start}.song-head .cover{width:140px;flex:none;margin:0}.notes{letter-spacing:.02em;font-weight:600;color:var(--brand)}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}.stat{margin:0;display:flex;flex-direction:column}.stat b{font-size:1.6rem}.check-list{list-style:none;padding:0}.check-list li{display:flex;gap:10px;padding:6px 0;color:var(--muted)}.check-list li.done{color:var(--text)}.check-list li.done span{color:var(--ok);font-weight:700}.form{display:flex;flex-direction:column;gap:14px;max-width:420px}.form label{display:flex;flex-direction:column;gap:4px;font-weight:500}input{padding:10px 12px;border:1px solid var(--line);border-radius:10px;font:inherit}.plans{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0}.piano-wrap{margin:12px 0}.note-display{height:56px;display:flex;align-items:baseline;justify-content:center;gap:10px;font-size:1.1rem;padding-top:8px}.note-display strong{font-size:2rem;color:var(--brand)}.piano{position:relative;display:flex;width:100%;max-width:calc(var(--whites, 8) * 78px);margin:0 auto;height:clamp(130px,28vw,190px);background:#1c1917;padding:6px 5px 5px;border-radius:12px;user-select:none;-webkit-user-select:none;touch-action:manipulation;overflow:hidden}.piano.disabled{opacity:.5;pointer-events:none}.key{border:0;padding:0;font:inherit;cursor:pointer;touch-action:none;-webkit-tap-highlight-color:transparent;position:relative;min-width:0}.key.white{background:linear-gradient(#fff,#f1f0ee);border:1px solid #a8a29e;border-radius:0 0 6px 6px;height:100%;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;padding-bottom:6px;color:#57534e;font-size:.72rem;line-height:1.15;overflow:hidden}.key.black{position:absolute;top:6px;height:60%;background:linear-gradient(#44403c,#0c0a09);border-radius:0 0 5px 5px;z-index:2;color:#e7e5e4;font-size:.62rem;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;padding-bottom:4px;line-height:1.1;overflow:hidden}.key .label{max-width:100%;overflow:hidden;text-overflow:clip;white-space:nowrap;font-weight:600}.key .label.top{opacity:.75;font-weight:500}.key .kbd{text-transform:uppercase;opacity:.6;font-weight:600;font-size:.62rem}.key.hint{box-shadow:inset 0 -10px #fbbf24}.key.black.hint{box-shadow:inset 0 -8px #f59e0b}.key.current{background:linear-gradient(#bfdbfe,#60a5fa);animation:pulse 1.1s ease-in-out infinite;color:#1e3a8a}.key.black.current{background:linear-gradient(#3b82f6,#1d4ed8);color:#fff}.key.done{box-shadow:inset 0 -10px #22c55e}.key.black.done{box-shadow:inset 0 -8px #16a34a}.key.white.pressed{background:linear-gradient(#c7d2fe,#a5b4fc);transform:translateY(1px)}.key.black.pressed{background:linear-gradient(#6366f1,#3730a3)}@keyframes pulse{50%{filter:brightness(1.08);box-shadow:inset 0 0 0 3px #2563eb8c}}.footer{padding:24px 16px 32px;text-align:center}@media (max-width: 720px){.topbar-inner{justify-content:space-between}.grid3{grid-template-columns:1fr}.song-head{flex-direction:column}.song-head .cover{width:100px}.piano{height:190px}.hide-touch{display:none}}.state{text-align:center;padding:40px 16px}.state.error{color:#991b1b}.spinner{width:32px;height:32px;border:3px solid var(--line);border-top-color:var(--brand);border-radius:50%;margin:0 auto 12px;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.notice{padding:12px 16px;border-radius:10px;margin:12px 0;background:var(--brand-soft);color:#3730a3}.notice.success{background:#dcfce7;color:#166534}.notice.error{background:#fee2e2;color:#991b1b}.badge.ok{background:#dcfce7;color:#166534}.lesson-row.locked{opacity:.55;cursor:not-allowed;background:#f5f5f4}.btn:disabled{opacity:.6;cursor:default}.search{width:100%;padding:12px 14px;font-size:1rem;margin:8px 0}.auth{margin:24px auto}.auth h1{margin:0}.legal h3{margin-top:1.4em}.footer p{margin:4px 0}.footer a{text-decoration:underline}.between{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}.chart{list-style:none;padding:0;margin:8px 0;display:grid;gap:8px}.chart li{display:grid;grid-template-columns:64px 1fr 48px;align-items:center;gap:10px;font-size:.9rem}.chart .d{color:var(--muted);text-transform:capitalize}.chart .v{text-align:right;color:var(--muted)}.chart .track{height:14px;background:#f5f5f4;border-radius:7px;overflow:hidden;display:block}.chart .fill{display:block;height:100%;background:var(--brand);border-radius:7px}.history{list-style:none;padding:0;margin:0}.history li{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line)}.legal{max-width:780px;margin:0 auto}.legal h2{font-size:1.15rem;margin:1.6em 0 .5em}.legal li{margin:4px 0}.legal a,.check a{color:var(--brand);text-decoration:underline}table.req{border-collapse:collapse;width:100%;margin:12px 0;font-size:.92rem;background:#fff}table.req th,table.req td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}table.req:not(.wide) th{width:190px;background:#fafaf9;font-weight:600}table.req.wide thead th{background:#fafaf9}.check{flex-direction:row!important;align-items:flex-start;gap:10px!important;font-weight:400!important;font-size:.88rem}.check input{margin-top:4px;flex:none;width:18px;height:18px}@media (max-width: 720px){table.req.wide{display:block;overflow-x:auto}}main.container>*+h1{margin-top:.6em}.song-grid{align-items:stretch}.song-card{height:100%}.song-card .row{margin-top:auto;padding-top:8px}.song-title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.45}.cover{box-shadow:inset 0 0 0 1px #0000000a}.card{box-shadow:0 1px 2px #1c19170a}.page-narrow{max-width:820px;margin:0 auto}.page-narrow>h1:first-child{margin-top:0}.legal{padding-bottom:8px}.footer{border-top:1px solid var(--line);margin-top:32px;padding-top:24px}.btn{text-align:center;line-height:1.3}.center{text-align:center;margin-top:24px}.hero2{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center;padding:48px 0 56px}.hero2 h1{font-size:clamp(2rem,5vw,3.2rem);margin:.35em 0 .4em}.hero2 .lead{max-width:520px;margin:0 0 24px}.eyebrow{display:inline-block;font-size:.85rem;font-weight:600;color:var(--brand);background:var(--brand-soft);padding:6px 12px;border-radius:99px}.cta-row{display:flex;gap:12px;flex-wrap:wrap}.checks{list-style:none;padding:0;margin:20px 0 0;display:flex;gap:8px 20px;flex-wrap:wrap;color:var(--muted);font-size:.9rem}.checks li:before{content:"✓";color:var(--ok);font-weight:700;margin-right:6px}.demo-card{background:linear-gradient(160deg,#1e1b4b,#312e81);border-radius:20px;padding:20px;color:#fff;box-shadow:0 20px 40px -20px #312e8199}.demo-title{margin:0 0 4px;font-weight:600;text-align:center}.demo-card .note-display{color:#fff}.demo-card .note-display strong,.demo-card .muted{color:#c7d2fe}.demo-card .piano{height:170px}.section{padding:48px 0}.section-title{text-align:center;font-size:clamp(1.5rem,3.4vw,2rem);letter-spacing:-.02em;margin:0 0 .5em}.section-sub{text-align:center;color:var(--muted);margin:-.2em 0 28px}.section .grid3,.section .grid4{margin-top:28px}.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.grid3 .card,.grid4 .card{margin:0;height:100%}.card.flat h3{margin-bottom:.4em}.card.flat p{margin:0;color:#57534e}.step{position:relative}.step p{margin:0;color:#57534e}.step-n{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--brand);color:#fff;font-weight:700;margin-bottom:12px}.program{list-style:none;padding:0;margin:0 auto;max-width:820px;display:grid;grid-template-columns:1fr 1fr;gap:8px 16px}.program li{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px}.program .num{width:30px;height:30px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-weight:700;font-size:.85rem;flex:none}.plans-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:760px;margin:28px auto 0}.plan{margin:0;display:flex;flex-direction:column;gap:4px;align-items:flex-start}.plan.featured{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}.plan h3{font-size:1.3rem;margin:8px 0 0}.price{font-size:2rem;font-weight:800;margin:0 0 8px}.plan-list{list-style:none;padding:0;margin:0 0 20px;flex:1}.plan-list li{padding:5px 0}.plan-list li:before{content:"✓";color:var(--ok);font-weight:700;margin-right:8px}.plan .btn{width:100%}.narrow-section{max-width:760px;margin:0 auto}.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:4px 18px;margin-bottom:8px}.faq summary{cursor:pointer;font-weight:600;padding:14px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";font-size:1.4rem;line-height:1;color:var(--brand)}.faq details[open] summary:after{content:"−"}.faq details p{margin:0 0 16px;color:#57534e}.faq a{color:var(--brand);text-decoration:underline}.final-cta{background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;border-radius:24px;text-align:center;padding:48px 20px;margin:24px 0 8px}.final-cta h2{font-size:clamp(1.5rem,3.4vw,2.1rem);margin:0 0 8px}.final-cta p{margin:0 0 24px;opacity:.9}.btn.white{background:#fff;color:var(--brand);border-color:#fff}.btn.white:hover{background:#eef2ff}@media (max-width: 900px){.grid4{grid-template-columns:1fr 1fr}}@media (max-width: 720px){.hero2{grid-template-columns:1fr;gap:28px;padding:24px 0 32px;text-align:left}.cta-row .btn{width:100%}.grid4,.program,.plans-grid{grid-template-columns:1fr}.section{padding:32px 0}.final-cta{padding:36px 16px;border-radius:20px}}.hero2 .btn.big{padding:14px 24px}.hero2 .cta-row{flex-wrap:wrap}.hero2 .demo-card{max-width:440px;margin-left:auto}@media (max-width: 720px){.hero2 .demo-card{max-width:none}}.err-details{text-align:left;background:#fff;border:1px solid #fecaca;border-radius:10px;padding:12px;font-size:.75rem;color:#7f1d1d;white-space:pre-wrap;word-break:break-word;max-width:720px;margin:16px auto 0}.lesson-head .block-name{color:var(--brand);font-weight:600;font-size:.85rem;text-transform:uppercase;letter-spacing:.04em}.lesson-meta{display:flex;gap:8px 16px;flex-wrap:wrap;color:var(--muted);font-size:.9rem;margin-bottom:8px}.goals{margin:8px 0 0;padding-left:20px;color:#44403c}.goals li{margin:2px 0}.stepper{display:flex;gap:6px;margin:16px 0 8px}.stepper button{flex:1;height:8px;border-radius:6px;border:0;background:var(--line);cursor:default;padding:0}.stepper button.seen{background:#c7d2fe;cursor:pointer}.stepper button.cur{background:var(--brand)}.stage-title{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;margin:4px 0 12px}.stage-title h2{margin:0;font-size:1.35rem}.stage-title .muted{font-size:.85rem}.stage-body{display:flex;flex-direction:column;gap:16px}.stage-nav{display:flex;justify-content:space-between;gap:12px;margin:24px 0;flex-wrap:wrap}.tag{display:inline-block;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--brand);background:var(--brand-soft);padding:2px 8px;border-radius:6px;margin-bottom:6px}.lesson-text{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}.lesson-text h3{margin:0 0 .5em}.lesson-text p{margin:0 0 .7em;color:#292524}.lesson-text p:last-child{margin-bottom:0}.lesson-text ul{margin:.4em 0 0;padding-left:20px}.lesson-text li{margin:4px 0}.lesson-text.tone-tip{background:#f0fdf4;border-color:#bbf7d0}.lesson-text.tone-tip .tag{color:#166534;background:#dcfce7}.lesson-text.tone-warn{background:#fffbeb;border-color:#fde68a}.lesson-text.tone-warn .tag{color:#92400e;background:#fef3c7}.demo,.exercise,.quiz,.rhythm,.metro,.hand,.checklist{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px}.demo h4,.exercise h4,.quiz h4,.rhythm h4,.checklist h4{margin:0 0 6px;font-size:1.05rem}.demo figcaption,.rhythm figcaption,.hand figcaption,.metro figcaption{color:var(--muted);font-size:.9rem;margin-top:8px}.seq-row{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-top:10px}.chips{list-style:none;padding:0;margin:8px 0;display:flex;flex-wrap:wrap;gap:6px}.chips li{display:inline-flex;align-items:center;gap:6px;background:#f5f5f4;border:1px solid var(--line);border-radius:99px;padding:3px 10px 3px 4px;font-size:.85rem}.chips .n{display:inline-grid;place-items:center;min-width:20px;height:20px;border-radius:50%;background:#e7e5e4;font-size:.72rem;font-weight:700}.chips li.on{background:#dbeafe;border-color:#60a5fa;font-weight:600}.chips li.on .n{background:#2563eb;color:#fff}.chips li.ok{background:#dcfce7;border-color:#86efac}.chips li.ok .n{background:#16a34a;color:#fff}.exercise{border-color:#c7d2fe;box-shadow:0 0 0 3px #eef2ff}.exercise.is-done{border-color:#86efac;box-shadow:0 0 0 3px #dcfce7}.exercise header p{margin:0 0 4px;color:#44403c}.ex-status{min-height:28px;margin:6px 0;font-size:.95rem}.ex-status.wrong{animation:shake .35s;color:#b91c1c}.good{color:#166534}.warn{color:#b45309}@keyframes shake{25%{transform:translate(-4px)}75%{transform:translate(4px)}}.ex-controls{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}.seg button{border:0;background:#fff;padding:6px 10px;font:inherit;font-size:.8rem;cursor:pointer;border-right:1px solid var(--line)}.seg button:last-child{border-right:0}.seg button.active{background:var(--brand);color:#fff}.options{display:grid;gap:8px;margin-top:10px}.opt{text-align:left;background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 14px;font:inherit;cursor:pointer}.opt:hover:not(:disabled){border-color:var(--brand)}.opt.right{background:#dcfce7;border-color:#86efac}.opt.bad{background:#fee2e2;border-color:#fca5a5}.quiz-note{margin:10px 0 0;font-weight:500}.beat-row{display:flex;margin-left:96px}.beat-row span{flex:1;text-align:left;font-size:.75rem;color:var(--muted);border-left:1px solid var(--line);padding-left:4px}.r-row{display:flex;align-items:center;gap:8px;margin:6px 0}.r-label{width:88px;flex:none;font-size:.82rem;font-weight:600}.r-bar{flex:1;display:flex;gap:2px}.seg-note{display:grid;place-items:center;height:34px;background:#6366f1;color:#fff;border-radius:6px;font-weight:700;font-size:.95rem;min-width:0}.metro{display:flex;flex-direction:column;gap:10px;align-items:flex-start}.metro-dots{display:flex;gap:8px}.metro-dots span{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#f5f5f4;border:1px solid var(--line);font-weight:700;color:var(--muted)}.metro-dots span.on{background:var(--brand);color:#fff;border-color:var(--brand)}.metro-ctl{display:flex;gap:16px;align-items:center;flex-wrap:wrap;font-size:.9rem}.metro-ctl input[type=range]{vertical-align:middle;width:140px;padding:0}.hand svg{width:100%;max-width:340px;display:block;margin:0 auto}.hand figcaption{text-align:center}.checklist ul{list-style:none;padding:0;margin:8px 0 0}.checklist li{margin:6px 0}.checklist label{display:flex;gap:10px;align-items:flex-start;cursor:pointer}.checklist input{margin-top:3px;width:18px;height:18px;flex:none}.results{background:#f5f3ff;border:1px solid #ddd6fe;border-radius:var(--radius);padding:16px 20px}.results h3{margin:0 0 8px}.results ul{margin:0;padding-left:20px}.block-group{margin:28px 0 8px}.block-group h3{margin:0;font-size:1rem}.block-group .muted{font-size:.85rem}.timerbar{position:sticky;top:60px;z-index:9;background:#eef2ff;border-bottom:1px solid #c7d2fe;color:#3730a3;transition:background .2s}.timerbar-inner{display:flex;align-items:center;gap:14px;min-height:44px;flex-wrap:nowrap}.tb-main{font-size:1rem;white-space:nowrap}.tb-time{font-size:1.25rem;font-variant-numeric:tabular-nums;margin-left:4px}.tb-bar{flex:1;height:8px;background:#ffffffb3;border-radius:6px;overflow:hidden;min-width:40px}.tb-bar i{display:block;height:100%;background:var(--brand);border-radius:6px;transition:width .4s}.tb-state{font-size:.8rem;opacity:.85;white-space:nowrap}.timerbar.running .tb-state{color:#15803d;font-weight:600}.timerbar.warn{background:#fffbeb;border-color:#fde68a;color:#92400e}.timerbar.warn .tb-bar i{background:#f59e0b}.timerbar.crit,.timerbar.limit{background:#fef2f2;border-color:#fecaca;color:#991b1b}.timerbar.crit .tb-bar i,.timerbar.limit .tb-bar i{background:#dc2626}.timerbar.crit.running .tb-time{animation:blink 1s steps(2) infinite}.timerbar.pro{background:#fefce8;border-color:#fde68a;color:#92400e}.tb-sub{font-size:.85rem;opacity:.85}@keyframes blink{50%{opacity:.55}}.limit-notice.big{flex-direction:column;align-items:stretch;text-align:center;padding:28px 20px;background:#fff;border-color:#fecaca}.limit-notice.big h2{margin-bottom:8px}.limit-notice.big p{margin:6px 0;font-weight:400}.limit-notice.big .actions{justify-content:center;margin:12px 0 0}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#1c19178c;display:grid;place-items:center;z-index:100;padding:16px;animation:fade .2s}.modal{background:#fff;border-radius:20px;max-width:460px;width:100%;padding:28px 24px;text-align:center;box-shadow:0 24px 60px #00000059}.modal h2{margin:6px 0 10px}.modal p{margin:6px 0;color:#44403c}.modal-icon{font-size:2.6rem}.modal .actions{justify-content:center;margin:18px 0 0}@keyframes fade{0%{opacity:0}}.toasts{position:fixed;right:16px;top:116px;z-index:90;display:flex;flex-direction:column;gap:8px;max-width:min(360px,calc(100vw - 32px));pointer-events:none}.toast{pointer-events:auto;display:flex;gap:10px;align-items:flex-start;background:#1e1b4b;color:#fff;border-radius:12px;padding:12px 14px;box-shadow:0 10px 30px #00000040;animation:slide .25s;font-size:.95rem}.toast.success{background:#166534}.toast.warn{background:#b45309}.toast span{flex:1}.toast button{background:none;border:0;color:inherit;font-size:1.2rem;line-height:1;cursor:pointer;opacity:.8}@keyframes slide{0%{transform:translateY(-8px);opacity:0}}@media (max-width: 720px){.timerbar-inner{gap:8px}.tb-main{font-size:.9rem}.tb-time{font-size:1.1rem}.tb-state{display:none}.toasts{top:112px;right:12px;left:12px;max-width:none}}.filters{display:flex;gap:12px 20px;flex-wrap:wrap;align-items:center;margin:4px 0 20px}.sel{display:flex;flex-direction:column;gap:2px;font-size:.78rem;color:var(--muted)}.sel select{padding:8px 10px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:.9rem;background:#fff;color:var(--text)}.clamp3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin:4px 0 0}.pro-lock{background:#fffbeb;border:1px solid #fde68a;border-radius:12px;padding:14px 16px}.blocks-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:8px}.blocks-grid .card{margin:0}.mini-list{margin:8px 0 0;padding-left:22px;color:#44403c;font-size:.93rem}.mini-list li{margin:3px 0}.score-row{display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap;padding:6px 0}@media (max-width: 900px){.blocks-grid{grid-template-columns:1fr 1fr}}@media (max-width: 720px){.blocks-grid{grid-template-columns:1fr}}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}button,a,summary,label,select{touch-action:manipulation}.piano,.key,.chips,.seg{-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}.sound-off{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;border-radius:10px;padding:8px 12px;font-size:.85rem;margin:8px 0 0}.rotate-hint,.sound-tip{display:none;text-align:center;color:var(--muted);font-size:.8rem;margin:6px 0 0}.demo-card .sound-tip{color:#c7d2fe}@media (pointer: coarse){.sound-tip{display:block}}@media (max-width: 520px) and (orientation: portrait){.rotate-hint{display:block}}.topbar{padding-top:env(safe-area-inset-top)}.timerbar{top:calc(60px + env(safe-area-inset-top))}@media (max-width: 720px){.container{padding-left:max(14px,env(safe-area-inset-left));padding-right:max(14px,env(safe-area-inset-right))}input,select,textarea,.sel select{font-size:16px}.btn{min-height:44px;padding:10px 16px}.btn.small{min-height:40px;padding:8px 14px}.seg button{min-height:40px;padding:8px 10px}.tabs button{min-height:40px}.stage-nav .btn{flex:1}.actions .btn{flex:1 1 auto}.opt{padding:13px 14px}.lesson-text,.demo,.exercise,.quiz,.rhythm,.metro,.hand,.checklist{padding:12px}.lesson-text{padding:14px}.exercise .piano-wrap,.demo .piano-wrap{margin-left:-6px;margin-right:-6px}.piano{padding:4px 3px 3px;border-radius:10px;height:clamp(150px,44vw,190px)}.key.white{padding-bottom:4px;font-size:.62rem}.key.black{font-size:.55rem;padding-bottom:3px}.chips li{font-size:.8rem;padding-right:8px}.stage-title h2{font-size:1.15rem}.lesson-meta{font-size:.8rem}.goals{font-size:.92rem}.ex-status{font-size:.9rem}.ex-controls .btn,.ex-controls .seg{flex:1 1 auto}.ex-controls .seg button{flex:1}.beat-row{margin-left:70px}.r-label{width:62px;font-size:.75rem}.metro-ctl{gap:10px}.metro-ctl input[type=range]{width:110px}.modal{padding:22px 16px}.modal .actions .btn{width:100%}.card{padding:16px}.footer{padding-bottom:calc(24px + env(safe-area-inset-bottom))}.toast{font-size:.9rem}}@media (max-width: 380px){.tb-main{font-size:.82rem}.tb-time{font-size:1rem}.piano{height:clamp(140px,46vw,170px)}}@media (max-height: 520px) and (orientation: landscape){.topbar-inner{height:48px}.timerbar{top:calc(48px + env(safe-area-inset-top))}.timerbar-inner{min-height:38px}.piano{height:clamp(110px,34vh,170px)}.modal{max-height:92vh;overflow:auto}.toasts{top:100px}.rotate-hint{display:none}}.logo{white-space:nowrap;flex:none}@media (max-width: 1000px){.topbar-inner{gap:12px}.nav-desktop a{padding:8px;font-size:.9rem}}.install-tip{display:none}@media (pointer: coarse){.install-tip{display:block}}@media (display-mode: standalone){.install-tip{display:none}html,body{overscroll-behavior-y:none}body{-webkit-user-select:none;user-select:none}input,textarea{-webkit-user-select:text;user-select:text}.footer{padding-bottom:calc(32px + env(safe-area-inset-bottom))}}.burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;padding:0;flex-direction:column;justify-content:center;align-items:center;gap:5px}.burger span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px}.topbar-right{display:flex;align-items:center;gap:10px}.drawer-backdrop,.drawer{display:none}@media (max-width: 900px){.nav-desktop{display:none}.burger{display:inline-flex}.topbar-inner{justify-content:space-between}.drawer-backdrop{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#1c191780;z-index:120;opacity:0;pointer-events:none;transition:opacity .22s}.drawer-backdrop.open{opacity:1;pointer-events:auto}.drawer{display:flex;flex-direction:column;position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);background:#fff;z-index:121;box-shadow:-12px 0 40px #0003;transform:translate(105%);visibility:hidden;transition:transform .26s ease,visibility 0s linear .26s;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) 0;overflow-y:auto;overscroll-behavior:contain}.drawer.open{transform:none;visibility:visible;transition-delay:0s}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:12px 14px 12px 18px;border-bottom:1px solid var(--line);min-height:60px}.drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;font-size:1.1rem;cursor:pointer}.drawer-nav{display:flex;flex-direction:column;padding:10px;gap:2px;flex:1}.drawer-nav a{display:flex;align-items:center;gap:14px;padding:14px;border-radius:12px;font-size:1.05rem;font-weight:500;color:var(--text);min-height:52px}.drawer-nav a .ico{width:28px;text-align:center;font-size:1.25rem}.drawer-nav a.active{background:var(--brand-soft);color:var(--brand);font-weight:700}.drawer-nav a:active{background:#f5f5f4}.drawer-user{border-top:1px solid var(--line);padding:14px 16px 18px;display:flex;flex-direction:column;gap:10px}.drawer-user .who{display:flex;flex-direction:column;gap:2px;align-items:flex-start}.drawer-user .btn{width:100%}}@media (min-width: 901px){.drawer-backdrop,.drawer{display:none!important}}@media (max-width: 380px){.login-btn{padding:6px 10px}}.pro-chip-wrap{position:relative}.pro-chip{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 14px;border-radius:99px;border:1px solid #fcd34d;background:linear-gradient(135deg,#fef3c7,#fde68a);color:#92400e;font-weight:700;font-size:.92rem;cursor:pointer;white-space:nowrap;box-shadow:0 1px #fff9 inset,0 2px 8px #b453091f;transition:transform .12s,box-shadow .12s}.pro-chip:hover{transform:translateY(-1px);box-shadow:0 1px #fff9 inset,0 4px 14px #b4530933}.pro-chip small{font-weight:600;opacity:.85}.pro-chip.soon{border-color:#f97316;background:linear-gradient(135deg,#ffedd5,#fed7aa);color:#9a3412}.pro-pop{position:absolute;right:0;top:calc(100% + 8px);width:270px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 16px 40px #00000029;padding:14px;z-index:50;animation:slide .18s}.pro-pop-head{display:flex;align-items:center;gap:8px;font-size:1.02rem;margin-bottom:8px}.pro-pop ul{list-style:none;margin:0 0 12px;padding:0}.pro-pop li{display:flex;justify-content:space-between;gap:10px;padding:7px 0;border-bottom:1px dashed var(--line);font-size:.92rem}.pro-pop li:last-child{border-bottom:0}.pro-pop li span{color:var(--muted)}.pro-pop li b.warn{color:#c2410c}.pro-pop .btn{width:100%;justify-content:center}@media (max-width: 900px){.pro-chip{height:40px;padding:0 12px}.pro-pop{position:fixed;right:12px;left:12px;width:auto;top:calc(56px + env(safe-area-inset-top))}}.pro-notice{position:fixed;right:20px;bottom:20px;z-index:95;width:min(380px,calc(100vw - 32px));display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid #fde68a;border-left:5px solid #f59e0b;border-radius:14px;padding:14px 14px 14px 12px;box-shadow:0 18px 44px #0000002e;animation:rise .35s cubic-bezier(.2,.9,.3,1.2)}.pro-notice.last{border-color:#fdba74;border-left-color:#ea580c}.pro-notice.ended{border-color:#e7e5e4;border-left-color:var(--brand)}.pro-notice-ico{font-size:1.5rem;line-height:1}.pro-notice-body{flex:1}.pro-notice-body b{display:block;margin-bottom:4px}.pro-notice-body p{margin:0 0 10px;font-size:.9rem;color:#44403c}.pro-notice-actions{display:flex;gap:8px;flex-wrap:wrap}.pro-notice-x{background:none;border:0;font-size:1.3rem;line-height:1;color:var(--muted);cursor:pointer;padding:0 2px}@keyframes rise{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}@media (max-width: 600px){.pro-notice{left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom));width:auto}}.plan-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px}.plan-card{position:relative;display:flex;flex-direction:column;gap:6px;border:1px solid var(--line);border-radius:14px;padding:18px 16px 16px;background:#fff}.plan-card.best{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}.plan-card.forever{border-color:#fcd34d;background:linear-gradient(180deg,#fffbeb,#fff 60%)}.plan-tag{position:absolute;top:-10px;left:14px;background:var(--brand);color:#fff;font-size:.72rem;font-weight:700;padding:2px 10px;border-radius:99px}.plan-tag.gold{background:#f59e0b}.plan-name{font-weight:700}.plan-price{font-size:1.6rem;font-weight:800;letter-spacing:-.02em;line-height:1.2}.plan-price small{font-size:.9rem;font-weight:500;color:var(--muted)}.plan-note{font-size:.85rem;color:var(--muted);flex:1;margin-bottom:6px}.plan-card .btn{width:100%;justify-content:center}.pro-pop-note{font-size:.82rem;color:var(--muted);margin:0}.plan-start{font-size:.8rem;color:#3730a3;background:var(--brand-soft);border-radius:8px;padding:6px 8px;margin-bottom:6px}.upgrade-title{margin:14px 0 4px;font-size:1rem}.period-switch{display:flex;gap:4px;background:#f5f5f4;border-radius:12px;padding:4px;margin:4px 0 12px}.period-switch button{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:38px;border:0;background:none;border-radius:9px;font:inherit;font-weight:600;font-size:.9rem;color:var(--muted);cursor:pointer}.period-switch button.on{background:#fff;color:var(--text);box-shadow:0 1px 4px #0000001f}.ps-badge{font-size:.7rem;font-weight:700;color:#fff;background:#16a34a;border-radius:99px;padding:1px 6px}.plan-benefit{font-size:.88rem;color:#44403c;margin:-4px 0 12px;min-height:2.6em}.plan-benefit b{color:#15803d}.pro-lock-card{text-align:center;display:flex;flex-direction:column;align-items:center;gap:4px;border-color:#fde68a;background:linear-gradient(180deg,#fffbeb,#fff 70%)}.pro-lock-card .pro-lock-ico{font-size:1.8rem}.pro-lock-card h3{margin:4px 0}.pro-lock-card .muted{max-width:520px}.pro-lock-card p{margin:0 0 10px}.stats-teaser{display:flex;align-items:flex-end;gap:8px;height:70px;width:min(320px,100%);margin:4px auto 14px;filter:blur(2px);opacity:.55}.stats-teaser span{flex:1;background:var(--brand);border-radius:6px 6px 2px 2px}.cover{position:relative;overflow:hidden}.cover.locked:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:#0f0f1973}.cover.locked>span:first-child{opacity:.55}.cover-pro{position:absolute;z-index:1;left:50%;top:50%;transform:translate(-50%,-50%);font-size:.95rem;font-weight:800;letter-spacing:.08em;color:#78350f;background:linear-gradient(135deg,#fde68a,#fbbf24);border-radius:99px;padding:6px 14px;box-shadow:0 4px 14px #0000004d;white-space:nowrap}.song-card.locked{cursor:pointer}.song-card.locked:hover .cover-pro{transform:translate(-50%,-50%) scale(1.06)}.song-head .cover-pro{font-size:.8rem;padding:4px 10px}.modal.upsell{position:relative;max-width:440px;text-align:left}.modal.upsell h2,.modal.upsell>p,.modal.upsell .modal-icon{text-align:center}.modal-x{position:absolute;top:10px;right:12px;background:none;border:0;font-size:1.6rem;line-height:1;color:var(--muted);cursor:pointer;padding:4px 8px}.upsell-list{margin:10px 0 14px}.upsell-pricing .btn{width:100%;justify-content:center}.upsell-pricing .plan-benefit{margin-top:-2px}.link-btn{display:block;margin:10px auto 0;background:none;border:0;color:var(--muted);font-weight:500}.toggle-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px solid var(--line);cursor:pointer}.toggle-row:last-of-type{border-bottom:0}.toggle-row.disabled{opacity:.6;cursor:default}.toggle-text{display:flex;flex-direction:column;gap:2px;min-width:0}.toggle-row select{font:inherit;font-size:16px;padding:6px 10px;border-radius:10px;border:1px solid var(--line);background:#fff}.switch{-moz-appearance:none;appearance:none;-webkit-appearance:none;flex:none;width:46px;height:28px;border-radius:99px;background:#d6d3d1;position:relative;cursor:pointer;transition:background .18s;margin:0}.switch:after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #0000004d;transition:transform .18s}.switch:checked{background:var(--brand)}.switch:checked:after{transform:translate(18px)}.switch:focus-visible{outline:3px solid var(--brand-soft);outline-offset:2px}.switch:disabled{cursor:default}.ok-text{color:#15803d}.warn-text{color:#b45309}.inline-form{margin-top:12px;display:grid;gap:10px;max-width:420px}.help-buttons{display:flex;flex-wrap:wrap;gap:8px}.help-buttons .btn{flex:1 1 180px;justify-content:center}.btn.danger{background:#dc2626;color:#fff;border-color:#dc2626}.btn.danger:hover:not(:disabled){background:#b91c1c}.btn.danger:disabled{opacity:.5}.danger-zone{border-color:#fecaca}.modal.form-modal{position:relative;text-align:left}.modal.form-modal h2,.modal.form-modal .modal-icon{text-align:center}.modal.form-modal .form{display:grid;gap:12px}.modal.form-modal textarea,.modal.form-modal input:not([type=checkbox]){width:100%;font:inherit;font-size:16px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;box-sizing:border-box}.modal.form-modal textarea{resize:vertical;min-height:120px}.modal.form-modal .btn{justify-content:center}.verify-banner{background:#f0fdf4;border-bottom:1px solid #bbf7d0;color:#14532d;font-size:.9rem}.verify-inner{display:flex;align-items:center;gap:12px;padding-top:8px;padding-bottom:8px;flex-wrap:wrap}.verify-inner>span:first-child{flex:1 1 260px}.verify-x{background:none;border:0;font-size:1.3rem;line-height:1;color:inherit;opacity:.7;cursor:pointer}.challenges{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:10px;margin-top:8px}.challenge{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--line);border-radius:12px;padding:12px;background:#fff;transition:border-color .3s,background .3s}.challenge.done{border-color:#86efac;background:#f0fdf4}.ch-icon{font-size:1.5rem;line-height:1}.ch-body{flex:1;display:grid;gap:4px;min-width:0}.ch-top{display:flex;justify-content:space-between;gap:8px;align-items:baseline}.ch-kind{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--brand);background:var(--brand-soft);padding:1px 7px;border-radius:99px}.ch-bar{height:8px;border-radius:99px;background:#f1f0ef;overflow:hidden;margin:4px 0 2px}.ch-bar>div{height:100%;border-radius:99px;background:linear-gradient(90deg,#818cf8,var(--brand));transition:width 1.4s cubic-bezier(.22,1,.36,1)}.challenge.done .ch-bar>div{background:linear-gradient(90deg,#4ade80,#16a34a)}.ach-total{font-weight:800;color:#b45309;background:#fef3c7;padding:4px 12px;border-radius:99px}.ach-track{padding:16px 0 12px;border-bottom:1px solid var(--line)}.ach-track:last-of-type{border-bottom:0}.ach-head{display:flex;align-items:center;gap:8px}.ach-icon{font-size:1.25rem}.ach-count{margin-left:auto;font-weight:700;font-variant-numeric:tabular-nums;color:#44403c}.ach-path{position:relative;height:58px;margin:6px 14px 0}.ach-rail{position:absolute;left:0;right:0;top:20px;height:12px;border-radius:99px;background:#f1f0ef;overflow:hidden;box-shadow:inset 0 1px 2px #00000014}.ach-fill{position:relative;height:100%;border-radius:99px;background:linear-gradient(90deg,#fcd34d,#f59e0b 60%,#d97706);transition:width 1.6s cubic-bezier(.22,1,.36,1);overflow:hidden}.ach-fill:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(110deg,transparent 20%,rgba(255,255,255,.65) 45%,transparent 70%);transform:translate(-100%);animation:ach-shine 2.6s 1.6s ease-in-out infinite}@keyframes ach-shine{to{transform:translate(100%)}}.ach-stop{position:absolute;top:0;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;gap:2px}.ach-cup{width:40px;height:40px;display:grid;place-items:center;border-radius:50%;background:#fff;border:2px solid #e7e5e4;font-size:1.05rem;filter:grayscale(1);opacity:.75;transition:transform .45s cubic-bezier(.34,1.56,.64,1),filter .4s,opacity .4s,border-color .4s,box-shadow .4s;transition-delay:inherit}.ach-stop.on .ach-cup{filter:none;opacity:1;border-color:#f59e0b;background:radial-gradient(circle at 35% 30%,#fffbeb,#fde68a);box-shadow:0 4px 14px #f59e0b59;transform:scale(1.06)}.ach-stop.new .ach-cup{animation:ach-pop 1s 1.2s cubic-bezier(.34,1.56,.64,1) 2}@keyframes ach-pop{50%{transform:scale(1.35) rotate(-8deg)}}.ach-at{font-size:.72rem;font-weight:700;color:var(--muted)}.ach-stop.on .ach-at{color:#b45309}.ach-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.ach-chip{font-size:.78rem;padding:3px 9px;border-radius:99px;background:#f5f5f4;color:var(--muted)}.ach-chip.on{background:#fef3c7;color:#92400e;font-weight:600}.ach-chip small{font-weight:400;opacity:.8}.ach-next{margin:8px 0 0}.ach-invite{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:12px;padding:12px;border-radius:12px;background:var(--brand-soft);font-size:.9rem}.ach-invite span{flex:1 1 260px}@media (max-width: 600px){.ach-cup{width:34px;height:34px;font-size:.9rem}.ach-path{margin:6px 12px 0}.ach-rail{top:17px}}@media (prefers-reduced-motion: reduce){.ach-fill,.ch-bar>div,.ach-cup{transition:none}.ach-fill:after,.ach-stop.new .ach-cup{animation:none}}.trophy-modal{position:relative;overflow:hidden}.trophy-big{font-size:4.2rem;line-height:1;animation:trophy-in .9s cubic-bezier(.34,1.56,.64,1) both;filter:drop-shadow(0 8px 18px rgba(245,158,11,.45))}@keyframes trophy-in{0%{transform:scale(.2) rotate(-25deg);opacity:0}70%{transform:scale(1.15) rotate(6deg);opacity:1}}.trophy-list{list-style:none;padding:0;margin:10px 0 0;display:grid;gap:8px;text-align:left}.trophy-list li{display:grid;gap:2px;padding:10px 12px;border-radius:12px;background:#fffbeb;border:1px solid #fde68a;animation:fade-up .5s both}.trophy-list li:nth-child(2){animation-delay:.1s}.trophy-list li:nth-child(3){animation-delay:.2s}@keyframes fade-up{0%{opacity:0;transform:translateY(8px)}}.confetti{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.confetti i{position:absolute;top:-12px;left:calc(var(--i) * 5.6%);width:8px;height:12px;border-radius:2px;opacity:.9;background:hsl(calc(var(--i) * 47),85%,60%);animation:confetti-fall 2.4s calc(var(--i) * .07s) ease-in forwards}@keyframes confetti-fall{to{transform:translateY(420px) rotate(calc(var(--i) * 70deg));opacity:0}}
