@font-face{font-family:Anton;font-style:normal;font-display:swap;font-weight:400;src:url(./anton-latin-400-normal-Byf51wtH.woff2)format("woff2"),url(./anton-latin-400-normal-AUNGEG_V.woff)format("woff")}@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(data:font/woff2;base64,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)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(./manrope-cyrillic-wght-normal-Dvxsihut.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(./manrope-greek-wght-normal-DL7QRZyv.woff2)format("woff2-variations");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(./manrope-vietnamese-wght-normal-usUDDRr7.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(./manrope-latin-ext-wght-normal-Ch3YOpNY.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(./manrope-latin-wght-normal-DHIcAJRg.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{color:#171716;font-synthesis:none;--paper:#e8e3d9;--ink:#171716;--red:#bd321f;--pad:clamp(22px,4.1vw,88px);background:#e8e3d9;font-family:Manrope Variable,Arial,sans-serif}*{box-sizing:border-box}body{margin:0}button,input,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button,input{font:inherit;color:inherit}button{cursor:pointer;background:0 0;border:0;min-height:44px}button,a{touch-action:manipulation}button:disabled,input:disabled{cursor:not-allowed;opacity:.5}button:focus-visible,a:focus-visible,input:focus-visible{outline-offset:5px;outline:2px solid}.console :is(button,input):focus-visible{outline-color:var(--paper)}.chapter:focus{outline:none}p,h1,h2{margin:0}p{line-height:1.6}.ui-arrow{fill:none;stroke:currentColor;stroke-width:1.5px;stroke-linecap:round;stroke-linejoin:round;flex:none;width:16px;height:16px}.section-label a,.text-link{gap:8px}.play-symbol{border-top:5px solid #0000;border-bottom:5px solid #0000;border-left:8px solid;width:0;height:0;display:block}.sound-button[aria-pressed=true] .play-symbol{background:currentColor;border:0;border-radius:1px;width:9px;height:9px}.header{z-index:8;left:var(--pad);right:var(--pad);justify-content:space-between;align-items:center;gap:20px;transition:color .5s;display:flex;position:fixed;top:18px}.wordmark{letter-spacing:-2px;min-height:44px;font-size:30px;font-weight:850}.motion-button{padding:12px 0 12px 12px;font-size:12px}.dark-current .header,.dark-current .chapter-nav{color:var(--paper)}.header{background:var(--paper)}.dark-current .header{background:var(--ink)}.chapter-nav{background:var(--paper)}.dark-current .chapter-nav{background:var(--ink)}.skip-link{z-index:50;background:var(--ink);color:var(--paper);padding:14px;position:fixed;top:8px;left:8px;transform:translateY(-160%)}.skip-link:focus{transform:none}.stage{z-index:2;pointer-events:none;position:fixed;inset:0}#scene{opacity:0;width:100%;height:100%;transition:opacity .5s;display:block}.webgl-ready #scene{opacity:1}.fallback-object{width:min(70vw,75vh);position:absolute;top:50%;left:50%;transform:translate(-50%,-45%)}.webgl-ready .fallback-object{display:none}.stage-shadow{background:radial-gradient(#17171630,#0000 65%);width:38vw;height:7vh;position:absolute;top:77%;left:50%;transform:translate(-50%)}.scene-status{z-index:10;bottom:10px;left:var(--pad);background:var(--paper);color:var(--ink);max-width:calc(100% - 44px);padding:8px 12px;font-size:12px;position:fixed}.scene-status:empty{display:none}.chapter{background:var(--paper);min-height:100svh;position:relative}.scene-content{min-height:max(650px,100dvh);padding:90px var(--pad) 70px;position:relative}.paged,.paged body{overscroll-behavior:none;height:100%;overflow:hidden}.paged .chapter{opacity:0;visibility:hidden;pointer-events:none;overscroll-behavior:contain;height:100dvh;min-height:0;transition:opacity .65s,visibility .65s;position:fixed;inset:0;overflow:hidden auto}.paged .chapter.is-active{opacity:1;visibility:visible;pointer-events:auto}.scene-content>*{z-index:3;position:relative}.scene-content>.hero-title,.scene-content>.oversize-mark{z-index:1}.chapter.is-active :is(.detail-copy,.anatomy-copy,.instrument-copy,.section-label){animation:.8s both enter}@keyframes enter{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}.section-label{border-top:1px solid;justify-content:space-between;align-items:baseline;gap:16px;padding-top:14px;font-size:11px;display:flex}.section-label a{align-items:center;min-height:44px;margin-top:-14px;display:inline-flex}.hero-meta{text-transform:uppercase;justify-content:space-between;font-size:10px;font-weight:650;display:flex}.hero-title{letter-spacing:-.015em;text-align:center;color:var(--red);margin-top:12px;font-family:Anton,Impact,sans-serif;font-size:23.3vw;font-weight:400;line-height:1.05}.intro-bottom{left:var(--pad);right:var(--pad);justify-content:space-between;align-items:end;gap:24px;display:flex;position:absolute;bottom:40px}.intro-copy{font-size:clamp(16px,1.5vw,23px);font-weight:650}.scroll-link{align-items:center;gap:12px;min-height:48px;font-size:12px;display:flex}.scroll-icon{border:1px solid #76736b;border-radius:50%;place-items:center;width:44px;height:44px;font-size:22px;transition:transform .25s;display:grid}.scroll-link:hover .scroll-icon{transform:translateY(4px)}.anatomy,.surface,.instrument{color:var(--paper);background:var(--ink)}h2{letter-spacing:-.065em;font-size:clamp(42px,6.4vw,100px);font-weight:700;line-height:.98}.anatomy-copy,.detail-copy{max-width:45%;margin-top:10vh}.detail-copy p{max-width:330px;margin-top:24px;font-size:13px}.parts-list{flex-direction:column;align-items:start;gap:12px;margin-top:7vh;font-size:12px;display:flex}.parts-list span{border-bottom:1px solid #797974;width:260px;padding-bottom:10px}.chapter-note{bottom:32px;left:var(--pad);color:#bbb9b2;font-size:10px;position:absolute}.detail-control,.surface-controls{bottom:70px;left:var(--pad);width:280px;position:absolute}.reverse input{accent-color:var(--ink)}.oversize-mark{bottom:15px;right:var(--pad);color:#d4cfc5;letter-spacing:-.06em;pointer-events:none;font-family:Anton,Impact,sans-serif;font-size:30vw;line-height:1;position:absolute}.finish-picker{align-items:center;gap:22px;margin-bottom:24px;font-size:12px;display:flex}.finish-picker button{border-bottom:1px solid #0000;padding:10px 0}.finish-picker button[aria-pressed=true]{border-bottom-color:currentColor}.pulse h2{letter-spacing:-.065em;z-index:1;margin-top:6vh;font-size:clamp(50px,8vw,140px);font-weight:850;line-height:1.04}.pulse h2 span{margin-left:6vw}.pulse-bottom{bottom:45px;left:var(--pad);right:var(--pad);align-items:center;gap:22px;display:flex;position:absolute}.pulse-bottom p{font-size:11px}.pulse-bottom .text-link{margin-left:auto}.strike-button{background:var(--ink);color:var(--paper);justify-content:space-between;align-items:center;gap:35px;padding:14px 20px;font-size:13px;display:flex}.strike-button:active{transform:scale(.97)}.text-link{border-bottom:1px solid;min-height:48px;padding:14px 0;font-size:13px}.instrument-copy{max-width:48%;margin-top:5vh}.console-heading{border-bottom:1px solid #777871;justify-content:space-between;gap:8px;padding-bottom:12px;font-size:11px;display:flex}#audio-state{color:#c2c0b8}.preset-group{gap:8px;margin:16px 0;display:flex}.preset-group button{border:1px solid #8a8b84;flex:1;padding:8px;font-size:12px;transition:background .2s,color .2s}.preset-group button[aria-pressed=true]{color:var(--ink);background:var(--paper);border-color:var(--paper)}.range-row{grid-template-columns:1fr 1fr;align-items:center;margin-top:10px;font-size:12px;display:grid}.range-row output{text-align:right;font-variant-numeric:tabular-nums}input[type=range]{width:100%;min-height:44px;accent-color:var(--paper);cursor:pointer;background:0 0;grid-column:1/-1;margin:0}.reverse input[type=range]{accent-color:var(--ink)}.waveform{width:100%;height:42px;margin:6px 0 12px;display:block}.sound-button{background:var(--paper);width:100%;color:var(--ink);justify-content:space-between;align-items:center;min-height:54px;padding:16px 20px;font-size:14px;font-weight:700;display:flex}.sound-hint{color:#c2c0b8;margin-top:12px;font-size:10px}.chapter-nav{z-index:7;gap:2px;transition:color .5s;display:grid;position:fixed;top:50%;right:8px;transform:translateY(-50%)}.chapter-nav a{justify-content:center;align-items:center;min-width:44px;height:44px;font-size:10px;display:flex}.chapter-nav span{border-bottom:2px solid #0000;padding:4px 0}.chapter-nav a[aria-current] span{border-color:currentColor;font-weight:800}.noscript{z-index:12;background:var(--paper);width:100%;padding:12px;font-size:12px;position:fixed;bottom:0}@media (max-width:650px){:root{--pad:22px}.header{top:12px}.wordmark{font-size:27px}.motion-button{font-size:11px}.scene-content{min-height:max(760px,100dvh);padding-top:76px;padding-bottom:80px}.hero-meta{font-size:9px}.hero-meta span:last-child{display:none}.hero-title{margin-top:24px;font-size:23.5vw}.intro-bottom{flex-direction:column;align-items:start;gap:18px;bottom:88px}.intro-copy{font-size:18px}.scroll-link{font-size:11px}.section-label{padding-top:13px;font-size:10px}.section-label span:last-child{text-align:right}.chapter-nav{border:1px solid #76736b;gap:0;display:flex;inset:auto auto 12px 50%;transform:translate(-50%);background:var(--paper)!important;color:var(--ink)!important}.chapter-nav a{min-width:44px;height:44px}.anatomy-copy,.detail-copy{max-width:none;margin-top:32px}h2{font-size:clamp(38px,10.5vw,62px)}.detail-copy p{max-width:280px;margin-top:18px;font-size:11px}.parts-list{bottom:112px;left:var(--pad);right:var(--pad);gap:7px;margin:0;font-size:10px;position:absolute}.parts-list span{width:100%;padding-bottom:7px}.chapter-note{font-size:9px;bottom:85px}.detail-control,.surface-controls{width:calc(100% - var(--pad)*2);bottom:90px}.oversize-mark{bottom:180px;right:var(--pad);font-size:55vw}.finish-picker{margin-bottom:12px}.pulse h2{margin-top:34px;font-size:clamp(40px,12vw,64px)}.pulse h2 span{margin-left:10vw}.pulse-bottom{flex-wrap:wrap;gap:8px 12px;display:flex;bottom:86px}.pulse-bottom p{max-width:125px;font-size:9px}.pulse-bottom .text-link{min-height:40px;margin:0;padding:10px 0;font-size:11px}.strike-button{gap:20px;padding:12px;font-size:12px}.instrument-copy{max-width:none;margin-top:24px}.instrument-copy h2{font-size:38px}.console{width:100%;max-width:430px;margin-top:175px}.console-heading{font-size:10px}.preset-group{margin:12px 0}.waveform{height:30px;margin:0 0 6px}.range-row{margin-top:5px;font-size:11px}.sound-hint{margin-top:8px;font-size:9px}.scene-status{font-size:10px;bottom:66px}}@media (max-height:700px) and (min-width:651px){.instrument-copy{margin-top:22px}.instrument-copy h2{font-size:44px}.console{margin-top:16px}.preset-group{margin:10px 0}.waveform{height:24px;margin:0 0 4px}.range-row{margin:0}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}.motion-off *,.motion-off :before,.motion-off :after{transition:none!important;animation:none!important}.graphics-fallback .scene-status{bottom:65px}.graphics-fallback .stage{opacity:.8}html:not(.paged) .chapter{min-height:850px;padding:90px var(--pad) 70px}:root{--glass-base:#efebe2d1;--glass-edge:#50504b4d;--glass-highlight:#ffffff52;--glass-text:var(--ink);--glass-selected:#242523;--glass-selected-text:#f2eee6}.dark-current,.anatomy,.surface,.instrument{--glass-base:#232523d1;--glass-edge:#ffffff3d;--glass-highlight:#ffffff12;--glass-text:#eeeae2;--glass-selected:#eeeae2;--glass-selected-text:#171716}.header,.dark-current .header{background:0 0}.motion-button,.scroll-icon,.strike-button,.sound-button,.text-link{border:1px solid var(--glass-edge);background:linear-gradient(145deg,var(--glass-highlight),transparent 65%),var(--glass-base);color:var(--glass-text);border-radius:999px;transition:background .2s,transform .2s,border-color .2s;box-shadow:inset 0 1px #ffffff4d}.motion-button{padding:10px 17px}.motion-button[aria-pressed=true]{border-style:dashed}.text-link{align-items:center;padding:13px 20px;display:inline-flex}.section-label{border-top:0}.parts-list span{border-bottom:0;padding-bottom:4px}.console,.detail-control,.surface-controls{border:1px solid var(--glass-edge);background:linear-gradient(145deg,var(--glass-highlight),transparent 45%),var(--glass-base);color:var(--glass-text);border-radius:20px;padding:12px;box-shadow:inset 0 1px #ffffff14,0 6px 18px #00000014}.console{width:min(310px,38%);margin-top:22px}.detail-control,.surface-controls{width:250px}.console-heading{font-size:10px}.preset-group{margin:8px 0}.range-row{margin-top:2px;font-size:11px}.waveform{height:24px;margin:0 0 6px}.sound-hint{margin-top:8px;font-size:9px}.instrument-copy h2{font-size:clamp(36px,4vw,60px)}.is-active :is(.console,.detail-control,.surface-controls),.chapter-nav{-webkit-backdrop-filter:blur(18px)saturate(1.2);backdrop-filter:blur(18px)saturate(1.2)}.console-heading{border-bottom:0;padding-bottom:4px}#audio-state,.sound-hint{color:var(--glass-text)}.preset-group{background:#0000002e;border-radius:999px;gap:2px;padding:2px}.preset-group button{border:1px solid #0000;border-radius:999px;min-height:36px;padding:5px;font-size:11px}.preset-group button[aria-pressed=true]{color:var(--glass-selected-text);background:#eeeae2;border-color:#0000;box-shadow:0 1px 3px #0002}.sound-button{color:var(--ink);background:#eeeae2;border-color:#0000;min-height:44px;padding:10px 14px;font-size:12px}.sound-button:hover{background:linear-gradient(145deg,#fff,#eeeae2)}.sound-button[aria-pressed=true]{background:linear-gradient(145deg,#c6c9bf,#f5f1e8)}.finish-picker{background:#00000040;border-radius:999px;gap:4px;padding:4px}.finish-picker button{border:1px solid #0000;border-radius:999px;flex:1;padding:8px 12px}.finish-picker button[aria-pressed=true]{background:var(--glass-selected);color:var(--glass-selected-text);border-color:var(--glass-selected)}.chapter-nav,.dark-current .chapter-nav{border:1px solid var(--glass-edge);color:var(--glass-text);background:linear-gradient(145deg,var(--glass-highlight),transparent 65%),var(--glass-base);border-radius:999px;gap:0;padding:3px;box-shadow:inset 0 1px #ffffff4d,0 6px 24px #0002}.chapter-nav a{border-radius:50%;min-width:36px;height:36px;font-size:9px;transition:background .2s,color .2s}.chapter-nav span,.chapter-nav a[aria-current] span{border:0}.chapter-nav a[aria-current]{background:var(--glass-selected);color:var(--glass-selected-text)}input[type=range]{appearance:none;--fill:50%;outline-offset:1px}input[type=range]::-webkit-slider-runnable-track{background:linear-gradient(to right,var(--glass-text) var(--fill),#85877e var(--fill));border-radius:999px;height:4px}input[type=range]::-moz-range-track{background:#85877e;border-radius:999px;height:4px}input[type=range]::-moz-range-progress{background:var(--glass-text);border-radius:999px;height:4px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:#f5f4ef;border:1px solid #73766e;border-radius:50%;width:18px;height:18px;margin-top:-7px;box-shadow:0 1px 3px #0003}input[type=range]::-moz-range-thumb{background:#f5f4ef;border:1px solid #73766e;border-radius:50%;width:17px;height:17px;box-shadow:0 1px 3px #0003}.surface-controls button:focus-visible{outline-color:#eeeae2}@media (hover:hover){.motion-button:hover,.strike-button:hover,.text-link:hover{transform:translateY(-2px)}.chapter-nav a:not([aria-current]):hover{box-shadow:inset 0 0 0 1px}}@media (max-width:650px){.motion-button{padding:9px 13px}.console,.detail-control,.surface-controls{border-radius:20px;padding:12px}.console{width:min(290px,100%);margin:175px auto 0}.detail-control,.surface-controls{width:calc(100% - var(--pad)*2);max-width:290px;left:50%;transform:translate(-50%)}.preset-group button{min-height:44px}.chapter-nav a{min-width:44px;height:44px}.chapter-nav a[aria-current]{background:radial-gradient(circle,var(--glass-selected) 15px,transparent 16px)}.chapter-nav,.dark-current .chapter-nav{bottom:max(12px,env(safe-area-inset-bottom));gap:0;padding:0;background:linear-gradient(145deg,var(--glass-highlight),transparent 65%),var(--glass-base)!important;color:var(--glass-text)!important}.pulse-bottom .text-link{min-height:44px;padding:10px 16px}.surface-controls{bottom:82px}}@media (prefers-reduced-transparency:reduce){:root{--glass-base:#eeeae2}.dark-current,.anatomy,.surface,.instrument{--glass-base:#242523}.chapter-nav,.is-active :is(.console,.detail-control,.surface-controls){-webkit-backdrop-filter:none;backdrop-filter:none}}@media (forced-colors:active){.chapter-nav a[aria-current],button[aria-pressed=true]{outline-offset:-3px;outline:2px solid highlight}input[type=range]{appearance:auto}}