:root{--bg:#08090a;--bg-2:#121417;--bg-2b:#171a1e;--bg-3:#0c0e10;--line:#262b31;--text:#e8ebed;--text-2:#9aa3ab;--text-3:#5c666e;--accent:#2fd4c4;--accent-dim:#1c8b81;--accent-bg:#10201e;--accent-ink:#08090a;--ok:#2fd4c4;--warn:#e0b84a;--bad:#ff6b6b;--role-chord:#2fd4c4;--role-tension:#c3a6ff;--role-nct:#7fd1ff;--role-chromatic:#e0b84a;--rel-blend:#2fd4c4;--rel-color:#c3a6ff;--rel-clash:#e0b84a;--radius:14px;--tap:48px;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-family:Noto Sans JP,-apple-system,BlinkMacSystemFont,Hiragino Sans,system-ui,sans-serif}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);-webkit-text-size-adjust:100%;margin:0}body{background:radial-gradient(1200px 600px at 70% -10%, #10151a 0%, var(--bg) 60%) fixed;touch-action:manipulation;overscroll-behavior-y:none;font-size:16px;line-height:1.6}button,input,select{font:inherit;color:inherit;accent-color:var(--accent)}button{cursor:pointer;min-height:var(--tap);border-radius:var(--radius);border:1px solid var(--line);background:var(--bg-3);-webkit-tap-highlight-color:transparent;padding:8px 16px}button:disabled{opacity:.4;cursor:default}button.primary{color:var(--accent);border-color:var(--accent-dim);background:linear-gradient(#14464224,#0c2b2822);font-weight:700}button.ghost{background:0 0}button.danger{border-color:var(--bad);color:var(--bad);background:0 0}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}input[type=text],input[type=number],select{min-height:var(--tap);border-radius:var(--radius);border:1px solid var(--line);background:var(--bg-2);width:100%;padding:8px 12px}.app{max-width:680px;padding:0 16px calc(96px + env(safe-area-inset-bottom));margin:0 auto}.topbar{z-index:10;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding-top:env(safe-area-inset-top);border-bottom:1px solid var(--line);background:#08090ad1;margin:0 -16px;padding-left:16px;padding-right:16px;position:sticky;top:0}.brand{justify-content:space-between;align-items:baseline;gap:8px;padding:10px 0 4px;display:flex}.brand h1{letter-spacing:.06em;flex-direction:column;margin:0;font-family:Orbitron,sans-serif;font-size:21px;font-weight:500;line-height:1.15;display:flex}.brand h1 small{color:var(--accent);letter-spacing:.18em;font-family:Noto Sans JP,sans-serif;font-size:11px}.brand .project-name{color:var(--text-3);text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.steps{grid-template-columns:repeat(6,1fr);gap:4px;padding:6px 0 10px;display:grid}.steps button{letter-spacing:-.04em;white-space:nowrap;flex-direction:column;justify-content:center;align-items:center;gap:2px;min-height:52px;padding:4px 0;font-size:11px;line-height:1.25;display:flex;position:relative}.steps button .num{font-size:15px;font-weight:600}.steps button[aria-current=step]{background:var(--accent-bg);color:var(--accent);border-color:var(--accent-dim)}.steps button .dot{background:var(--warn);border-radius:50%;width:7px;height:7px;position:absolute;top:5px;right:6px}h2{margin:20px 0 4px;font-size:18px}.lead{color:var(--text-2);margin:0 0 14px;font-size:14px}.small{color:var(--text-2);font-size:13px}.muted{color:var(--text-3)}.card{background:linear-gradient(180deg, var(--bg-2), var(--bg-2b));border:1px solid var(--line);border-radius:var(--radius);margin:10px 0;padding:14px}.card.selected{border-color:var(--accent-dim);box-shadow:0 0 0 1px var(--accent-dim) inset}.row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.row.spread{justify-content:space-between}.grow{flex:1}.grid-12{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}@media (width>=520px){.grid-12{grid-template-columns:repeat(4,1fr)}}.note-btn{min-height:56px;font-size:15px;line-height:1.2}.note-btn[aria-pressed=true]{background:var(--accent-bg);color:var(--accent);border-color:var(--accent-dim);font-weight:700}.chips{scrollbar-width:none;gap:6px;margin:0 -16px;padding-bottom:6px;padding-left:16px;padding-right:16px;display:flex;overflow-x:auto}.chips button{white-space:nowrap;border-radius:999px;min-height:40px;padding:6px 12px;font-size:14px}.chips button[aria-pressed=true]{background:var(--accent-bg);color:var(--accent);border-color:var(--accent-dim)}.badge{white-space:nowrap;border:1px solid;border-radius:999px;padding:5px 8px;font-size:12px;line-height:1;display:inline-block}.rel-blend{color:var(--rel-blend)}.rel-color{color:var(--rel-color)}.rel-clash{color:var(--rel-clash)}.group-title{align-items:center;gap:8px;margin:22px 0 4px;font-size:15px;display:flex}.card-title{font-size:16px;font-weight:600}.tones{color:var(--text-2);font-size:14px}.notice{border-left:3px solid var(--warn);background:color-mix(in srgb, var(--warn) 8%, var(--bg-2));border-radius:0 var(--radius) var(--radius) 0;margin:10px 0;padding:10px 12px;font-size:14px}.notice.info{border-left-color:var(--accent);background:color-mix(in srgb, var(--accent) 8%, var(--bg-2))}.unlock{z-index:50;background:var(--bg);justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.unlock-inner{text-align:center;max-width:420px}.unlock h1{letter-spacing:.2em;margin:0 0 8px;font-family:Orbitron,sans-serif;font-size:32px;font-weight:500}.unlock .primary{width:100%;min-height:64px;margin:24px 0 16px;font-size:18px}.unlock .notice{text-align:left}.bars{flex-direction:column;gap:6px;margin:12px 0;display:flex}.bar{grid-template-columns:repeat(16,1fr);gap:2px;display:grid}@media (width<=519px){.bar{border-bottom:1px dashed var(--line);grid-template-columns:repeat(8,1fr);row-gap:4px;padding-bottom:6px}.cell{min-height:44px}}.cell{border:1px solid var(--line);background:var(--bg-2);border-radius:4px;min-width:0;min-height:40px;padding:0;font-size:10px;position:relative;overflow:hidden}.cell.beat{border-color:#3d4452}.cell.start{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.cell.cont{background:var(--accent-bg);border-color:var(--accent-dim)}.cell.selected{outline:2px solid var(--text);outline-offset:1px;z-index:1}.cell.now{box-shadow:inset 0 -4px 0 var(--warn)}.cell .vel{background:color-mix(in srgb, var(--accent-ink) 35%, transparent);position:absolute;bottom:0;left:0;right:0}.cell.empty-slot{visibility:hidden}.tap-pad{letter-spacing:.1em;width:100%;min-height:42vh;color:var(--accent);background:radial-gradient(circle at 50% 45%, #10201e, var(--bg-2));border:2px solid var(--accent-dim);-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;touch-action:none;border-radius:24px;margin:12px 0;font-family:Orbitron,Noto Sans JP,sans-serif;font-size:22px}.tap-pad.pressed{background:radial-gradient(circle at 50% 45%, #14524c, var(--bg-2));border-color:var(--accent)}.progress{background:var(--bg-3);border-radius:3px;height:6px;overflow:hidden}.progress>div{background:var(--warn);height:100%}.countin{text-align:center;color:var(--warn);min-height:60px;font-size:40px;font-weight:600}.levels{grid-template-columns:1fr 1fr;gap:8px;display:grid}.levels button{text-align:left;min-height:64px;line-height:1.35}.levels button[aria-pressed=true]{background:var(--accent-bg);color:var(--accent);border-color:var(--accent-dim)}.levels .lv-name{font-weight:600;display:block}.levels .lv-desc{opacity:.85;font-size:12px;display:block}.melody-line{flex-wrap:wrap;gap:4px;margin:8px 0;display:flex}.mnote{border:1px solid var(--line);background:var(--bg-3);border-bottom-width:3px;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;min-height:44px;padding:4px 8px;font-size:13px;line-height:1.2;display:inline-flex}.mnote .r{opacity:.8;font-size:10px}.mnote.role-chord{border-bottom-color:var(--role-chord)}.mnote.role-tension,.mnote.role-appoggiatura{border-bottom-color:var(--role-tension)}.mnote.role-passing,.mnote.role-neighbor,.mnote.role-doubleNeighbor,.mnote.role-incompleteNeighbor,.mnote.role-escape{border-bottom-color:var(--role-nct)}.mnote.role-chromatic{border-bottom-color:var(--role-chromatic)}.mnote.bad{border-color:var(--bad);color:var(--bad)}.mnote.selected{outline:2px solid var(--text);outline-offset:1px}.mnote.now{background:color-mix(in srgb, var(--warn) 30%, var(--bg-3))}.legend{color:var(--text-2);flex-wrap:wrap;gap:10px;font-size:12px;display:flex}.legend i{vertical-align:middle;border-radius:2px;width:14px;height:4px;margin-right:4px;display:inline-block}.alts{grid-template-columns:repeat(3,1fr);gap:6px;margin-top:8px;display:grid}.alts button{min-height:52px;padding:4px;font-size:13px;line-height:1.2}.dock{z-index:20;background:color-mix(in srgb, var(--bg) 94%, transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-top:1px solid var(--line);padding:10px 16px calc(10px + env(safe-area-inset-bottom));position:fixed;bottom:0;left:0;right:0}.dock-inner{align-items:center;gap:8px;max-width:680px;margin:0 auto;display:flex}.dock-inner .primary{flex:1}.spinner{border:2px solid var(--text-3);border-top-color:var(--accent);vertical-align:middle;border-radius:50%;width:18px;height:18px;animation:.8s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){.spinner{animation:none}}.update-banner{left:16px;right:16px;bottom:calc(84px + env(safe-area-inset-bottom));z-index:60;max-width:648px;margin:0 auto;position:fixed}.stepper{align-items:center;gap:6px;display:flex}.stepper button{min-width:var(--tap);padding:0;font-size:20px}.stepper .val{text-align:center;min-width:72px;font-size:18px;font-weight:600}label.field{color:var(--text-2);margin:12px 0 4px;font-size:13px;display:block}.seg{border:1px solid var(--line);border-radius:var(--radius);display:flex;overflow:hidden}.seg button{background:0 0;border:none;border-radius:0;flex:1}.seg button[aria-pressed=true]{background:var(--accent-bg);color:var(--accent);border-color:var(--accent-dim);font-weight:700}hr{border:none;border-top:1px solid var(--line);margin:24px 0}