*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#faf9f5;color:#253a32;font-family:Pretendard,system-ui,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.45;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #a46c26;outline-offset:4px}[hidden]{display:none!important}.skip{position:absolute;top:-100px;left:20px;background:white;padding:12px;z-index:5}.skip:focus{top:10px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.nav{height:94px;max-width:1240px;margin:auto;padding:0 32px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:720;letter-spacing:-.5px}.brand small{display:block;font-size:11px;font-weight:500;letter-spacing:2px;line-height:1.1;color:#586750}.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:43px;height:43px;border-radius:13px;background:#193b30;color:#efd09b;font-family:Georgia,serif;font-size:38px;position:relative;line-height:1}.brand-mark span{font-size:17px;position:absolute;right:6px;top:4px}.nav nav{display:flex;gap:28px;font-size:14px}.nav nav a:last-child{border:1px solid #d6dcd4;padding:7px 14px;border-radius:100px}.nav nav a{align-self:center}main{max-width:1176px;padding:0 24px;margin:auto}.hero{min-height:475px;background:#f0eddf;border-radius:24px;display:grid;grid-template-columns:1.2fr 1fr;align-items:center;padding:58px 62px;overflow:hidden;gap:20px;margin:22px 0 76px}.eyebrow{font-size:11px;font-weight:750;letter-spacing:2.2px;margin:0 0 14px;color:#586750}.hero h1{font-size:44px;line-height:1.3;letter-spacing:-2px;margin:0 0 20px;font-weight:780}.hero p:not(.eyebrow){font-size:17px;color:#586750;margin:0 0 27px}.primary{display:inline-flex;justify-content:center;align-items:center;gap:26px;background:#254a3b;color:#fff;border:0;border-radius:11px;padding:13px 22px;min-height:48px;font-size:14px;font-weight:650}.primary:hover{background:#14372a}.hero-note{font-size:12px;color:#586750;margin-top:19px}.hero-art{height:310px;position:relative;display:flex;justify-content:center;align-items:center}.art-disc{width:288px;height:288px;border-radius:50%;background:#e2dfc8;position:absolute;transform:translate(20px,0)}.art-kalimba{width:196px;height:235px;border-radius:29px 29px 40px 40px;background:linear-gradient(115deg,#d7ac71,#bf8b56);box-shadow:18px 23px 32px #5b3e2426,inset 0 0 0 3px #d9b281;position:relative;transform:rotate(-12deg);padding:24px 15px}.art-tines{display:flex;gap:3px;height:122px;position:relative;z-index:1;justify-content:center}.art-tines:before{content:'';position:absolute;top:10px;left:0;right:0;height:9px;background:#614b39;border-radius:8px}.art-tines i{width:10px;background:linear-gradient(90deg,#dce0d7,#fffef2,#a6afa5);border-radius:2px 2px 5px 5px;box-shadow:2px 5px 3px #684b3d40}.art-hole{position:absolute;width:55px;height:55px;border:5px solid #bf8e61;box-shadow:0 0 0 2px #dcc19b;border-radius:50%;background:#6b5039;bottom:44px;left:70px}.art-kalimba>span{position:absolute;bottom:17px;left:0;right:0;text-align:center;font-size:7px;letter-spacing:1px;color:#684833}.floating-note{font:44px Georgia;color:#586750;position:absolute}.n1{right:12px;top:38px;transform:rotate(12deg)}.n2{left:12px;bottom:42px;transform:rotate(-12deg)}.art-caption{position:absolute;bottom:-18px;font-size:9px;letter-spacing:2px;color:#586750}.collection-title{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:26px}h2{font-size:27px;line-height:1.4;letter-spacing:-.8px;margin:0 0 16px}.collection-title h2{margin:0}.search-box{display:flex;align-items:center;background:white;border:1px solid #dce1d7;border-radius:11px;padding:9px 14px;width:260px;gap:9px}.search-box>span:first-child{font-size:25px;line-height:1}.search-box input{border:0;outline:0;min-width:0;width:100%;background:transparent;font-size:14px;padding:4px}.filters{display:flex;gap:8px;margin:0 0 28px;flex-wrap:wrap}.filters button{background:transparent;border:1px solid #dde1d7;border-radius:24px;padding:9px 18px;font-size:13px;color:#607366;min-height:42px}.filters button[aria-pressed=true]{background:#254a3b;color:white;border-color:#254a3b}.filters span{font-size:10px;margin-left:6px;opacity:.7}.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.instrument-card{background:white;border:1px solid #e3e7dd;border-radius:16px;overflow:hidden;display:flex;flex-direction:column;transition:transform .15s,border-color .15s}.instrument-card:hover{transform:none;border-color:#9db09c}.card-art{height:145px;display:flex;justify-content:center;align-items:center;position:relative;color:#727f57;background:#eeeedf}.card-art svg{width:100px;height:80px}.card-art>span{position:absolute;bottom:13px;left:16px;font-size:10px;font-weight:650;letter-spacing:.7px;opacity:.85}.family-wind .card-art{background:#e7ece9;color:#588c8b}.keys .card-art{background:#efe8e0;color:#a98b76}.family-rhythm .card-art{background:#eee5de;color:#a67f6c}.card-copy{padding:20px;flex:1;display:flex;flex-direction:column}.card-copy h3{display:flex;justify-content:space-between;font-size:18px;letter-spacing:-.5px;margin:0 0 9px}.card-copy h3 span{font-size:17px;color:#586750}.card-copy p{color:#586750;font-size:12px;line-height:1.75;margin:0 0 20px}.card-copy small{font-size:11px;font-weight:650;color:#60765c;margin-top:auto}.home-guide{margin:70px 0 90px;border-top:1px solid #e0e4da;padding-top:40px}.home-guide>div{display:grid;grid-template-columns:repeat(3,1fr);gap:45px;margin-top:28px}.home-guide article>span{font:24px Georgia;color:#586750}.home-guide h3{font-size:16px;margin:12px 0 10px}.home-guide p{font-size:13px;color:#586750}.home-guide .subtle{margin-top:32px}footer{max-width:1176px;border-top:1px solid #e0e4da;margin:0 auto;padding:30px 24px 45px;display:flex;align-items:center;gap:22px;font-size:11px;color:#586750}footer nav{display:flex;gap:18px;margin-left:auto}.footer-brand{font-size:14px;color:#354f3e;font-weight:700}.back{display:inline-block;font-size:13px;color:#586750;margin:20px 0 25px}.tool-heading{margin-bottom:32px}.tool-heading h1{font-size:40px;letter-spacing:-1.5px;margin:4px 0 10px;line-height:1.4}.tool-heading h1 small{font-size:16px;color:#586750;font-weight:500;margin-left:16px;letter-spacing:0}.tool-heading>p{font-size:15px;color:#586750;max-width:800px}.tone-note{font-size:11px;color:#586750}.studio{background:#fff;border:1px solid #e0e4da;border-radius:20px;overflow:hidden}.studio-toolbar{display:flex;justify-content:space-between;align-items:center;padding:20px 26px;font-size:12px;color:#586750;gap:20px}.studio-toolbar>span{display:flex;align-items:center;gap:8px}.live-dot{width:6px;height:6px;display:inline-block;background:#759478;border-radius:50%}.studio-toolbar label{display:flex;align-items:center;gap:10px}.studio-toolbar input{width:100px;accent-color:#466950}.instrument-surface{background:#f2efe2;padding:26px 26px 16px}.instrument-surface.wind{background:#e9efeb}.instrument-surface.keys{background:#f0ebe4}.instrument-surface.rhythm{background:#f0e8e2}.instrument-caption{margin:0 0 24px;font-size:10px;letter-spacing:2px;font-weight:650;color:#586750;display:flex;justify-content:space-between;gap:12px}.instrument-caption>span{font-size:10px;letter-spacing:0;font-weight:450;color:#586750}.notes-wrap{overflow:auto;padding:8px 4px 12px}.notes{display:flex;justify-content:center;gap:8px;min-width:max-content;align-items:end;padding:10px 0}.note{border:1px solid #cdd6c4;border-bottom:4px solid #b9c6ac;border-radius:10px;background:#fffef7;color:#4e6750;min-width:64px;min-height:92px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:14px 10px;transition:background .08s,transform .08s;touch-action:manipulation}.note span{font-size:14px;font-weight:650}.note small{font-size:10px}.note kbd{font:10px system-ui;color:#586750;text-transform:uppercase}.note:hover{background:#f2f6e9}.note.active{background:#e1c997!important;transform:translateY(3px);color:#4c4b2e!important}.tines{gap:5px}.tines .note{height:var(--tine-height);min-width:43px;min-height:100px;width:43px;background:linear-gradient(90deg,#e4e8df,#fffef7,#d2d9cb);border-radius:5px;justify-content:end}.tines .note span{font-size:11px}.piano{gap:3px}.piano .note{width:52px;height:160px;border-radius:0 0 8px 8px;justify-content:end;min-width:52px}.piano .note.sharp{background:#34443d;color:#eef2e8;height:110px;align-self:start;border-color:#25362f}.strings{min-width:0;display:grid;grid-template-columns:repeat(2,1fr);gap:12px;max-width:640px;margin:auto}.strings .note{min-height:76px;flex-direction:row;justify-content:space-between;background:linear-gradient(transparent 48%,#c5b992 49%,#c5b992 51%,transparent 52%),#fffdf4}.harmonica{display:grid;grid-template-columns:repeat(10,70px);gap:5px}.harmonica .note{min-height:110px;gap:9px}.circle{display:grid;grid-template-columns:repeat(3,95px);gap:12px;max-width:330px;margin:auto}.circle .note{border-radius:50%;width:95px;height:95px;min-width:95px}.pads{min-width:0;flex-wrap:wrap;gap:16px}.pads .note{border-radius:18px;width:128px;height:110px;background:#fff8ee;border-color:#d5c6b7;min-width:80px}.keyboard-hint{text-align:center;color:#586750;font-size:11px;margin:16px 0 0}.record-bar{padding:22px 26px;display:flex;justify-content:space-between;align-items:center;gap:18px}.record-bar>div{display:flex;gap:8px}.record-bar button,.status-bar button,.exercise-buttons button{border:1px solid #dce2d5;background:#fff;padding:9px 14px;border-radius:9px;min-height:44px;font-size:12px;color:#63745e}.record-bar button[aria-pressed=true]{color:#a84339;border-color:#a84339;background:#fff0ec}.record-bar small{font-size:11px;color:#586750}.status-bar{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #edf0e6;padding:13px 26px;gap:16px}.status-bar p{font-size:12px;color:#586750;min-height:20px;margin:0}.status-bar button{border:0;white-space:nowrap}.practice{margin-top:30px;background:#fff;border:1px solid #e1e5da;padding:32px;border-radius:18px}.practice-heading{display:flex;justify-content:space-between;gap:26px;align-items:center}.practice-heading h2{font-size:22px}.practice>p{font-size:12px;color:#586750}.practice p b{color:#607551;margin-left:10px}.tempo{font-size:11px;min-width:185px;color:#586750}.tempo strong{font-size:12px;float:right;color:#3e5c41}.tempo input{display:block;width:100%;margin-top:11px;accent-color:#466950}.exercise-buttons{display:flex;gap:7px;margin:22px 0 14px;flex-wrap:wrap}.exercise-buttons button{font-size:11px;background:#fafbf7}textarea{width:100%;display:block;border:1px solid #dae2d1;border-radius:12px;resize:vertical;background:#fbfcf7;padding:20px;font:20px/1.7 ui-monospace,monospace;color:#566f43}.practice-actions{display:flex;align-items:center;gap:24px;margin-top:14px}.practice-actions label{font-size:12px;color:#586750}.practice-actions input{accent-color:#466950}.practice-actions button[aria-pressed=true],.beat-settings button[aria-pressed=true]{background:#8c6839}.practice #score-error{color:#ae4535;min-height:20px;margin:8px 0}.beat-settings{display:flex;align-items:center;gap:24px;margin-top:24px}.beat-settings label{font-size:12px;color:#586750;flex:1}.beat-settings select{display:block;width:100%;padding:12px;border:1px solid #d8dfcf;border-radius:10px;margin-top:8px;background:#fbfcf7;color:#4e6743}.beat-settings>span{font:36px Georgia;color:#586750;min-width:40px;text-align:center}.chords{padding:24px 26px;border-bottom:1px solid #e4e9df}.chords h2{font-size:17px}.chords>div{display:flex;gap:10px;flex-wrap:wrap}.chords button{display:flex;flex-direction:column;gap:7px;padding:12px 18px;background:#fafbf6;border:1px solid #dce3d3;border-radius:10px;min-height:70px}.chords b{font-size:16px}.chords small{font-size:10px;color:#586750}.guide{max-width:800px;margin:46px auto;color:#586750;font-size:13px}.guide h2{font-size:22px;color:#395535}.guide h3{font-size:16px;color:#586d4c;margin-top:25px}.guide li{padding-left:4px;margin-bottom:9px}.subtle{font-size:11px!important;color:#586750!important}.related{margin:55px 0 75px}.related h2{font-size:22px}.related .cards{grid-template-columns:repeat(3,1fr)}.policy{max-width:720px;margin:80px auto 120px;min-height:400px}.policy h1{font-size:36px}.policy h2{font-size:23px}.policy p{color:#586750;line-height:1.9}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.instrument-card,.note{transition:none}}@media(max-width:950px){.cards{grid-template-columns:repeat(3,1fr)}.hero{padding:40px}.hero h1{font-size:37px}.art-disc{width:240px;height:240px}.hero-art{transform:scale(.9)}.hero-art .n1{right:-10px}.hero-art .n2{left:-15px}.card-copy{padding:16px}.nav{padding:0 24px}}@media(max-width:700px){main{padding:0 18px}.nav{height:77px;padding:0 18px}.brand{font-size:17px;gap:9px}.brand-mark{width:36px;height:36px;font-size:32px}.nav nav{gap:15px;font-size:12px}.hero{margin:10px 0 45px;padding:32px 28px;grid-template-columns:1fr;gap:8px}.hero h1{font-size:36px}.hero p:not(.eyebrow){font-size:15px}.hero-art{height:250px;transform:scale(.83);margin:-5px 0 -18px}.collection-title{flex-direction:column;align-items:start;gap:16px}.collection-title h2{font-size:24px}.search-box{width:100%}.filters{gap:6px}.filters button{padding:8px 13px;font-size:11px}.cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.card-art{height:115px}.card-art svg{width:82px}.card-copy{padding:15px}.card-copy h3{font-size:16px}.card-copy p{font-size:11px}.card-art>span{font-size:9px;left:13px}.home-guide>div{grid-template-columns:1fr;gap:20px}.home-guide{margin:45px 0}.home-guide article>span{float:left;margin-right:18px}.home-guide article h3{margin-top:0}footer{padding:24px 18px;flex-wrap:wrap;gap:12px}footer>span{font-size:10px}footer nav{margin-left:0;width:100%;margin-top:7px}.tool-heading h1{font-size:33px}.tool-heading h1 small{font-size:13px;margin-left:12px}.tool-heading>p{font-size:13px}.studio-toolbar{padding:16px;font-size:11px}.studio-toolbar input{width:75px}.instrument-surface{padding:19px 12px 14px}.instrument-caption{font-size:9px;letter-spacing:1px;flex-direction:column;gap:4px}.notes.scale{justify-content:start}.notes.piano,.notes.tines{justify-content:start}.note{min-width:52px}.record-bar{padding:17px 14px;flex-direction:column;align-items:start;gap:9px}.record-bar button{padding:8px 12px;font-size:11px}.status-bar{padding:12px 14px}.status-bar p{font-size:11px}.practice{padding:22px 18px}.practice-heading{flex-direction:column;align-items:start;gap:5px}.practice-heading h2{font-size:20px}.tempo{width:100%;margin:4px 0 18px}.practice>p{line-height:1.8}.practice p b{display:block;margin-left:0}.practice-actions{gap:15px}.practice-actions button{font-size:12px;padding:11px 15px}.practice-actions label{font-size:11px}.beat-settings{flex-wrap:wrap;gap:16px}.beat-settings label{flex-basis:100%}.beat-settings>span{flex:1}.chords{padding:20px 16px}.chords button{padding:10px 14px}.related .cards{grid-template-columns:repeat(2,minmax(0,1fr))}.related .cards>a:last-child{display:none}.pads .note{width:90px}.circle{grid-template-columns:repeat(3,80px)}.circle .note{width:80px;height:80px;min-width:80px}.strings .note{gap:8px}.policy{margin:50px 0 70px}.policy h1{font-size:29px}}@media(max-width:360px){.cards{grid-template-columns:1fr}.hero h1{font-size:31px}.brand{font-size:15px}.nav nav{gap:9px}.nav nav a:first-child{display:none}}
.secondary{display:inline-block;font-size:13px;margin-left:18px;color:#586750}.hero-drum{position:relative;z-index:1;background:#d8b582;border-radius:50%;width:240px;height:240px;display:grid;place-items:center;box-shadow:0 18px 40px #674e3022}.hero-drum svg{width:220px;color:#6a573f}.family-strings .card-art{background:#f0e9de;color:#9a7650}.finger-cards{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin:25px 0}.finger-cards article{background:#fafbf6;border:1px solid #e0e5d7;border-radius:12px;padding:18px 14px}.finger-cards h3{margin:0 0 15px;font-size:18px}.finger-cards h3 small{color:#586750;font-size:12px;margin-left:5px}.hole-line{display:flex;gap:8px;align-items:center;font-size:11px;margin:10px 0;white-space:nowrap}.hole-line small{margin-left:auto;font-size:10px;color:#586750}.hole{width:16px;height:16px;border:2px solid #50694f;border-radius:50%;display:inline-block;flex:none;background:white}.hole.closed{background:#50694f}.quiz{border-top:1px solid #e3e8db;margin-top:25px;padding-top:22px}.quiz h3{font-size:18px;margin:0}.quiz p{font-size:13px;color:#586750}.quiz-answers{display:flex;gap:9px;margin:20px 0}.quiz-answers button{color:#253a32;border:1px solid #d5dec9;border-radius:9px;background:#fafcf5;padding:11px 20px;min-height:44px}.quiz-answers button:disabled{color:#253a32;opacity:1}.quiz-answers button.correct{background:#dbead4;color:#315738;opacity:1;border-color:#7ca272}.quiz-answers button.wrong{background:#fae4dd;opacity:1;color:#9e4432;border-color:#cb8978}#quiz-diagram{max-width:245px;background:#f5f6ee;padding:8px 18px;border-radius:12px;margin-top:15px}#quiz-diagram:empty{display:none}.rhythm-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:5px;margin:26px 0 18px}.rhythm-grid:has([data-cell="8"]:last-child){grid-template-columns:repeat(9,minmax(0,1fr))}.rhythm-cell{border:1px solid #e0e4d9;border-radius:9px;padding:14px 3px;text-align:center;min-width:0;background:#fafbf6}.rhythm-cell small{display:block;font-size:10px;color:#586750}.rhythm-cell b{font-size:12px;font-weight:600;white-space:nowrap}.rhythm-cell.main-beat{border-left:3px solid #839975}.rhythm-cell.active{background:#e3c995;border-color:#ad8646}.repeat-label{font-size:12px;white-space:nowrap}.beat-settings .repeat-label{flex:0}.rhythm-status{font-size:12px}@media(max-width:950px){.finger-cards{grid-template-columns:repeat(3,1fr)}.rhythm-cell b{font-size:10px}}@media(max-width:700px){.secondary{display:block;margin:15px 0 0}.finger-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.finger-cards article{padding:13px 10px}.hole-line{gap:5px;font-size:10px}.hole-line small{font-size:9px}.quiz-answers{flex-wrap:wrap}.quiz-answers button{padding:10px 17px}.rhythm-grid{grid-template-columns:repeat(6,minmax(0,1fr))!important}.rhythm-grid:has([data-cell="8"]:last-child){grid-template-columns:repeat(3,minmax(0,1fr))!important}.rhythm-cell b{font-size:12px}.beat-settings .repeat-label{flex-basis:auto}.hero-drum{width:220px;height:220px}.hero-drum svg{width:190px}}

/* Catalogue components: family names never share performance-layout selectors. */
:root{--catalogue-radius:var(--handy-radius-r4);--catalogue-gap:var(--handy-dimension-spacing-y-between-components);--catalogue-padding:var(--handy-dimension-x5);--catalogue-art-height:180px}
.cards{align-items:stretch;grid-auto-rows:1fr;gap:var(--catalogue-gap)}
.instrument-card{min-width:0;display:flex;flex-direction:column;border-radius:var(--catalogue-radius);height:100%;max-width:none;margin:0}
.instrument-card[hidden]{display:none}
.card-art{flex:0 0 var(--catalogue-art-height);height:var(--catalogue-art-height);overflow:hidden;background:#f4f1e9!important}
.card-art .instrument-image{width:100%;height:100%;object-fit:contain;display:block;mix-blend-mode:normal;padding:12px 16px 30px}
.card-art>span{font-size:var(--handy-font-size-t1);left:var(--catalogue-padding);bottom:12px;color:#617067;opacity:1}
.card-copy{padding:var(--catalogue-padding);gap:12px;min-height:204px}
.card-copy h3{font-size:var(--handy-font-size-t9);line-height:1.35;margin:0}
.card-copy p{font-size:var(--handy-font-size-t4);line-height:1.7;margin:0 0 12px}
.card-copy small{font-size:var(--handy-font-size-t3);line-height:1.5;padding-top:4px}
.hero-drum{background:transparent;box-shadow:none;width:100%;height:100%;border-radius:0}
.hero-drum .instrument-image{width:100%;height:100%;object-fit:contain;mix-blend-mode:normal}
.gugak-art .art-disc{display:none}
@media(max-width:950px){:root{--catalogue-art-height:170px}.cards{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:700px){:root{--catalogue-gap:var(--handy-dimension-x3);--catalogue-padding:var(--handy-dimension-x4);--catalogue-art-height:140px}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.card-copy{min-height:230px}.card-copy h3{font-size:var(--handy-font-size-t8)}.card-copy p{font-size:var(--handy-font-size-t3)}.card-copy small{font-size:var(--handy-font-size-t2)}.hero-art.gugak-art{transform:none}.card-art .instrument-image{padding:8px 8px 30px}}
@media(max-width:360px){.cards{grid-template-columns:1fr}.card-copy{min-height:190px}}

/* Practice guidance remains readable at narrow widths and after playback. */
.tone-note,.keyboard-hint,.record-bar small,.status-bar p,.practice>p,.practice-actions label,.subtle,.hole-line,.hole-line small,.finger-cards h3 small,.rhythm-cell small,.note kbd{font-size:12px!important}
.note.active kbd{color:inherit}footer{font-size:12px;flex-wrap:wrap}