:root{--bg:#f7f8fa;--surface:#fff;--surface-2:#f1f3f6;--fg:#0e1116;--fg-2:#2a2f38;--muted:#4d5462;--faint:#676d79;--line:#e4e7ec;--line-strong:#d2d6dd;--accent:#2c6ad8;--accent-2:#7a5af8;--accent-fg:#fff;--accent-soft:#e6eefd;--key-prod:#b33c0b;--key-dev:#0f8a5f;--key-pwd:#8b3fd9;--code-bg:#fbfbfc;--good:#0f8a5f;--warn:#b45309;--term-bg:#0f1115;--pop-bg:#fff;--shadow-sm:0 1px 2px #1018280d;--shadow-lg:0 1px 2px #1018280f, 0 24px 48px -16px #1018282e;--glow-a:#2f6fe029;--glow-b:#7a5af81f;--grid:#1018280d;--font-body:-apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Segoe UI", "Malgun Gothic", "Noto Sans KR", system-ui, sans-serif;--font-mono:ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--font-title:-apple-system, BlinkMacSystemFont, "AppleSDGothicNeo-ExtraBold", "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", "Noto Sans CJK KR", "Segoe UI", system-ui, sans-serif;--radius:16px;--max:1100px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#08090b;--surface:#111215;--surface-2:#17191d;--fg:#edeef1;--fg-2:#c9cdd4;--muted:#949aa6;--faint:#80868f;--line:#22252a;--line-strong:#2e3238;--accent:#6ea4ff;--accent-2:#a78bfa;--accent-fg:#06080c;--accent-soft:#152238;--key-prod:#fb8a4c;--key-dev:#3fcf95;--key-pwd:#c08bff;--code-bg:#0d0e11;--good:#3fcf95;--warn:#f5b544;--term-bg:#0b0c0f;--pop-bg:#1d1f24;--shadow-sm:0 1px 2px #0006;--shadow-lg:0 1px 2px #00000080, 0 30px 60px -20px #000000b3;--glow-a:#6ea4ff29;--glow-b:#a78bfa1f;--grid:#ffffff0a;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}:root[data-theme=dark]{--bg:#08090b;--surface:#111215;--surface-2:#17191d;--fg:#edeef1;--fg-2:#c9cdd4;--muted:#949aa6;--faint:#80868f;--line:#22252a;--line-strong:#2e3238;--accent:#6ea4ff;--accent-2:#a78bfa;--accent-fg:#06080c;--accent-soft:#152238;--key-prod:#fb8a4c;--key-dev:#3fcf95;--key-pwd:#c08bff;--code-bg:#0d0e11;--good:#3fcf95;--warn:#f5b544;--term-bg:#0b0c0f;--pop-bg:#1d1f24;--shadow-sm:0 1px 2px #0006;--shadow-lg:0 1px 2px #00000080, 0 30px 60px -20px #000000b3;--glow-a:#6ea4ff29;--glow-b:#a78bfa1f;--grid:#ffffff0a;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}:root[data-theme=dark] body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}}.tone-accent{--kc:var(--accent);--seg:var(--accent)}.tone-muted{--kc:var(--faint);--seg:var(--faint)}.tone-prod,.key-prod{--kc:var(--key-prod);--seg:var(--key-prod)}.tone-dev,.key-dev{--kc:var(--key-dev);--seg:var(--key-dev)}.tone-pwd{--kc:var(--key-pwd);--seg:var(--key-pwd)}*{box-sizing:border-box}html{scroll-padding-top:80px}body{isolation:isolate;background:var(--bg);color:var(--fg);font-family:var(--font-body);letter-spacing:-.006em;word-break:keep-all;overflow-wrap:anywhere;text-rendering:optimizelegibility;-webkit-text-size-adjust:100%;margin:0;font-size:16px;line-height:1.7;position:relative}img{max-width:100%}a{color:inherit}h1,h2,h3{text-wrap:balance;color:var(--fg);margin:0}h1{font-weight:700}h2{letter-spacing:-.022em;font-size:clamp(1.75rem,1.3rem + 1.5vw,2.5rem);font-weight:700;line-height:1.25}body:lang(ja){word-break:normal;line-break:strict;letter-spacing:0;word-break:auto-phrase;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Hiragino Kaku Gothic ProN,Yu Gothic UI,Yu Gothic,Meiryo,Noto Sans JP,Noto Sans CJK JP,system-ui,sans-serif}:lang(ko) h1,:lang(ko) h2{font-family:var(--font-title);font-weight:800}:root.os-win:lang(ko) :is(h1,h2){-webkit-text-stroke:.015em currentColor}h3{letter-spacing:-.015em;font-size:1.05rem;font-weight:700;line-height:1.4}p{margin:0}code,.mono{font-family:var(--font-mono);letter-spacing:0;font-size:.88em}p code,li code,dd code{background:var(--surface-2);border:1px solid var(--line);color:var(--fg-2);border-radius:6px;padding:1px 6px}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}kbd{font-family:var(--font-mono);letter-spacing:0;border:1px solid var(--line-strong);background:var(--surface);color:var(--fg-2);white-space:nowrap;border-bottom-width:2px;border-radius:6px;padding:1px 6px;font-size:.78em}.icon{fill:none;stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round;flex:none;width:20px;height:20px}.skip{background:var(--accent);color:var(--accent-fg);z-index:20;border-radius:8px;padding:8px 14px;text-decoration:none;position:absolute;top:-48px;left:16px}.skip:focus{top:12px}.backdrop{z-index:-1;pointer-events:none;height:1100px;position:absolute;inset:0 0 auto;overflow:hidden}.backdrop:before{content:"";background:radial-gradient(42% 46% at 74% 18%, var(--glow-a), transparent 70%), radial-gradient(34% 38% at 22% 8%, var(--glow-b), transparent 70%);position:absolute;inset:0}.backdrop:after{content:"";background-image:linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);background-position:top;background-size:56px 56px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(70% 60% at 50% 0,#000 30%,#0000 75%);mask-image:radial-gradient(70% 60% at 50% 0,#000 30%,#0000 75%)}.eyebrow{letter-spacing:.02em;color:var(--accent);align-items:center;gap:8px;font-size:.8rem;font-weight:700;display:inline-flex}.eyebrow:before{content:"";background:currentColor;border-radius:2px;width:14px;height:2px}.lede{color:var(--muted);max-width:60ch;font-size:1.04rem}.sec-head{justify-items:start;gap:14px;margin-bottom:40px;display:grid}.sec-head.center{text-align:center;justify-items:center}.btn{font:inherit;letter-spacing:-.01em;border:1px solid var(--line-strong);background:var(--surface);height:46px;color:var(--fg);cursor:pointer;white-space:nowrap;box-shadow:var(--shadow-sm);border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:0 20px;font-size:.95rem;font-weight:700;text-decoration:none;transition:border-color .15s,background-color .15s,box-shadow .15s,transform 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transparent);-webkit-backdrop-filter:saturate(1.6)blur(14px);border-bottom:1px solid color-mix(in srgb, var(--line) 70%, transparent);position:sticky;top:0}.top-inner{max-width:var(--max);align-items:center;gap:28px;height:64px;margin:0 auto;padding:0 20px;display:flex}.brand{letter-spacing:-.02em;align-items:center;gap:10px;font-size:1.04rem;font-weight:700;text-decoration:none;display:inline-flex}.logo{display:block}.nav{gap:4px;display:flex}.nav a{color:var(--muted);border-radius:8px;padding:6px 12px;font-size:.9rem;font-weight:500;text-decoration:none;transition:color .15s,background-color .15s}.nav a:hover{color:var(--fg);background:var(--surface-2)}.top-actions{align-items:center;gap:8px;margin-left:auto;display:flex}.lang-menu{position:relative}.lang-menu summary{cursor:pointer;color:var(--muted);border-radius:8px;align-items:center;gap:6px;padding:6px 10px;font-size:.86rem;font-weight:500;list-style:none;display:inline-flex}.lang-menu summary::-webkit-details-marker{display:none}.lang-menu summary:hover,.lang-menu[open] summary{color:var(--fg);background:var(--surface-2)}.lang-menu summary .icon{width:16px;height:16px}.lang-menu ul{z-index:20;background:var(--surface);border:1px solid var(--line);min-width:132px;box-shadow:var(--shadow-lg);border-radius:12px;margin:0;padding:6px;list-style:none;position:absolute;top:calc(100% + 6px);right:0}.lang-menu a{color:var(--fg-2);border-radius:8px;padding:7px 10px;font-size:.88rem;text-decoration:none;display:block}.lang-menu a:hover{background:var(--surface-2)}.lang-menu a[aria-current=page]{color:var(--accent);font-weight:600}.theme-btn{border:1px solid var(--line);background:var(--surface);width:34px;height:34px;color:var(--fg-2);cursor:pointer;border-radius:9px;place-items:center;padding:0;display:grid}.theme-btn:hover{border-color:var(--line-strong)}.theme-btn svg{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;width:17px;height:17px}.theme-btn .i-sun{display:none}:root[data-theme=dark] .theme-btn .i-sun{display:block}:root[data-theme=dark] .theme-btn .i-moon{display:none}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .theme-btn .i-sun{display:block}:root:not([data-theme=light]) .theme-btn .i-moon{display:none}}.wrap{max-width:var(--max);grid-template-columns:minmax(0,1fr);gap:136px;margin:0 auto;padding:0 20px 120px;display:grid}section{min-width:0}.hero{grid-template-columns:minmax(0,1fr) minmax(0,1.04fr);align-items:center;gap:56px;padding-top:88px;display:grid}.hero-copy{justify-items:start;gap:24px;display:grid}.badge{color:var(--fg-2);background:color-mix(in srgb, var(--surface) 80%, transparent);border:1px solid var(--line);box-shadow:var(--shadow-sm);font-variant-numeric:tabular-nums;border-radius:99px;align-items:center;gap:8px;padding:5px 12px 5px 10px;font-size:.82rem;font-weight:600;display:inline-flex}.badge-dot{background:var(--good);width:7px;height:7px;box-shadow:0 0 0 3px color-mix(in srgb, var(--good) 20%, transparent);border-radius:50%}.hero h1{letter-spacing:-.03em;font-size:clamp(2.5rem,1.5rem + 3.6vw,4.1rem);line-height:1.12}:lang(en) .hero h1{font-size:clamp(2.3rem,1.4rem + 2.9vw,3.45rem)}:lang(ja) .hero h1{font-size:clamp(2rem,1.2rem + 2.3vw,2.8rem);line-height:1.28}:lang(ja) h2{line-height:1.35}.hero h1 em{background:linear-gradient(100deg, var(--accent) 10%, var(--accent-2) 90%);color:#0000;-webkit-background-clip:text;background-clip:text;font-style:normal}:root.os-win:lang(ko) .hero h1 em{-webkit-text-stroke-color:color-mix(in srgb, var(--accent) 55%, var(--accent-2))}.hero-copy .lede{font-size:1.12rem;line-height:1.75}.hero-copy .lede b{color:var(--fg);font-weight:700}.cta{flex-wrap:wrap;gap:10px;margin-top:4px;display:flex}.req{color:var(--faint);font-size:.84rem}.hero-demo{min-width:0;position:relative}.hero-demo:before{content:"";z-index:-1;filter:blur(48px);opacity:.7;background:linear-gradient(120deg, var(--glow-a), var(--glow-b));position:absolute;inset:8% -4% 14%}.editor{background:var(--surface);border:1px solid var(--line-strong);box-shadow:var(--shadow-lg);border-radius:14px;min-width:0;position:relative;overflow:hidden}.ed-bar{border-bottom:1px solid var(--line);background:var(--surface-2);flex-wrap:wrap;align-items:center;gap:12px;padding:10px 14px;display:flex}.dots{gap:7px;display:flex}.dots i{background:var(--line-strong);border-radius:50%;width:11px;height:11px;display:block}.editor .dots i:first-child{background:#ff5f57}.editor .dots i:nth-child(2){background:#febc2e}.editor .dots i:nth-child(3){background:#28c840}.tab{font-family:var(--font-mono);color:var(--fg);background:var(--surface);border:1px solid var(--line);border-radius:7px;padding:3px 12px;font-size:.78rem}.ed-body{font-family:var(--font-mono);letter-spacing:0;background:var(--code-bg);padding:16px 0;font-size:.84rem;line-height:1.95;overflow-x:auto}.ln{white-space:pre;min-height:1.95em;padding-right:16px;display:flex}.ln .no{text-align:right;width:44px;color:color-mix(in srgb, var(--faint) 75%, var(--code-bg));-webkit-user-select:none;user-select:none;z-index:1;background:var(--code-bg);flex:none;padding-right:16px;position:sticky;left:0}.ed-body .k{color:var(--accent)}.ed-body .c{color:var(--faint);font-style:italic}.ed-body .tok{font:inherit;cursor:pointer;color:var(--kc);white-space:pre;line-height:inherit;text-underline-offset:4px;background:0 0;border:0;border-radius:3px;margin:0;padding:0 1px;-webkit-text-decoration:underline #0000;text-decoration:underline #0000;text-decoration-thickness:2px;transition:background-color .12s}.ed-body .tok:hover{background:color-mix(in srgb, var(--kc) 10%, transparent)}.ed-body .tok.active{background:color-mix(in srgb, var(--kc) 16%, transparent);-webkit-text-decoration-color:var(--kc);text-decoration-color:var(--kc)}.ed-body .tok.shown{color:var(--fg);background:color-mix(in srgb, var(--good) 16%, transparent);-webkit-text-decoration-color:var(--kc);text-decoration-color:var(--kc)}.pop{z-index:5;white-space:nowrap;background:var(--pop-bg);border:1px solid var(--line-strong);box-shadow:var(--shadow-lg);border-radius:12px;align-items:center;gap:6px;padding:6px 8px 6px 12px;font-size:.8rem;display:flex;position:absolute}.pop.measuring{visibility:hidden}.pop .icon{stroke-width:2px;width:16px;height:16px}.pop-key{align-items:center;gap:6px;display:inline-flex}.pop-key .icon{color:var(--kc)}.pop-key b{font-size:.88rem;font-weight:700}.pop-kid{font-family:var(--font-mono);color:var(--faint);font-size:.76rem}.pop-timer{background:var(--surface-2);font-family:var(--font-mono);font-variant-numeric:tabular-nums;border-radius:99px;align-items:center;gap:4px;padding:2px 8px;font-size:.76rem;display:inline-flex}.pop-timer .icon{width:13px;height:13px}.pop-sep{background:var(--line-strong);width:1px;height:20px;margin:0 4px}.pop-btn{height:28px;font:inherit;cursor:pointer;border:1px solid #0000;border-radius:99px;align-items:center;gap:5px;padding:0 12px;font-size:.8rem;font-weight:700;display:inline-flex}.pop-btn .icon{width:15px;height:15px}.pop-btn.show{background:var(--kc);color:var(--accent-fg)}.pop-btn.hide{background:var(--good);color:var(--accent-fg)}.pop-btn.outline{border-color:var(--line-strong);color:var(--fg-2);background:0 0}.pop-btn.outline:hover{background:var(--surface-2)}.pop-icon{width:26px;height:28px;color:var(--muted);place-items:center;display:grid}.pop-arrow{left:var(--arrow,24px);background:var(--pop-bg);border-right:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);width:10px;height:10px;position:absolute;bottom:-6px;transform:translate(-50%)rotate(45deg)}.ed-foot{border-top:1px solid var(--line);color:var(--muted);background:var(--surface);flex-wrap:wrap;justify-content:space-between;gap:12px;padding:8px 14px;font-size:.76rem;display:flex}.demo-note{color:var(--faint);text-align:center;margin-top:14px;font-size:.84rem}.stats-band{gap:28px;margin-top:-48px;display:grid}.stats{border:1px solid var(--line);border-radius:var(--radius);background:color-mix(in srgb, var(--surface) 70%, transparent);box-shadow:var(--shadow-sm);grid-template-columns:repeat(4,minmax(0,1fr));margin:0;display:grid;overflow:hidden}.stats div{align-content:start;gap:4px;padding:22px 24px;display:grid}.stats div+div{border-left:1px solid var(--line)}.stats dt{letter-spacing:-.02em;font-variant-numeric:tabular-nums;font-size:1.3rem;font-weight:700}.stats dd{color:var(--muted);margin:0;font-size:.86rem;line-height:1.5}.chips{flex-wrap:wrap;justify-content:center;gap:8px;margin:0;padding:0;list-style:none;display:flex}.chip{background:var(--surface);border:1px solid var(--line);color:var(--muted);border-radius:99px;padding:4px 12px;font-size:.8rem;font-weight:500}.cmp,.anatomy,.feat,.keymap-card,.sec-card,.plat-wrap,.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.compare{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;display:grid}.cmp{align-content:start;gap:18px;min-width:0;padding:26px;display:grid}.cmp pre{font-family:var(--font-mono);letter-spacing:0;background:var(--code-bg);border:1px solid var(--line);color:var(--fg-2);border-radius:10px;margin:0;padding:14px 16px;font-size:.78rem;line-height:1.75;overflow-x:auto}.cmp:not(.mine) pre{color:var(--faint)}.cmp ul{color:var(--muted);gap:8px;margin:0;padding:0;font-size:.94rem;list-style:none;display:grid}.cmp li{padding-left:18px;position:relative}.cmp li:before{content:"";background:var(--line-strong);border-radius:50%;width:6px;height:6px;position:absolute;top:.72em;left:2px}.cmp.mine li:before{background:var(--accent)}.tag{color:var(--muted);align-items:center;gap:8px;font-size:.86rem;font-weight:700;display:inline-flex}.tag .icon{stroke-width:2.6px;background:var(--surface-2);border-radius:6px;width:18px;height:18px;padding:3px}.cmp.mine{border-color:color-mix(in srgb, var(--accent) 45%, var(--line));box-shadow:0 0 0 4px color-mix(in srgb, var(--accent) 8%, transparent), var(--shadow-sm)}.cmp.mine .tag{color:var(--fg)}.cmp.mine .tag .icon{color:var(--accent-fg);background:var(--accent)}.tok-inline{color:var(--key-prod);background:color-mix(in srgb, var(--key-prod) 10%, transparent);border-radius:4px;padding:1px 3px}.anatomy{gap:32px;padding:36px 28px 30px;display:grid}.anat-line{text-align:center;padding-bottom:6px;overflow-x:auto}.anat-row{font-family:var(--font-mono);letter-spacing:0;white-space:nowrap;font-size:clamp(.82rem,.6rem + .9vw,1.3rem);display:inline-flex}.anat-row span{padding:6px 2px 10px}.anat-row .piece{border-bottom:3px solid var(--seg)}.anat-row .sep{color:var(--faint)}.parts{border-top:1px solid var(--line);grid-template-columns:repeat(5,minmax(0,1fr));gap:16px 24px;padding-top:28px;display:grid}.part{border-left:2px solid var(--seg);align-content:start;gap:6px;padding-left:14px;display:grid}.part b{font-family:var(--font-mono);letter-spacing:0;font-size:.82rem;font-weight:600}.part p{color:var(--muted);font-size:.88rem;line-height:1.6}.steps{counter-reset:s;grid-template-columns:repeat(5,minmax(0,1fr));gap:24px;margin:0;padding:0;list-style:none;display:grid}.steps li{counter-increment:s;align-content:start;gap:10px;min-width:0;display:grid;position:relative}.steps li:before{content:counter(s);font-family:var(--font-mono);color:var(--accent);background:var(--surface);border:1px solid color-mix(in srgb, var(--accent) 40%, var(--line));width:36px;height:36px;box-shadow:0 0 0 5px var(--bg);border-radius:50%;place-items:center;margin-bottom:6px;font-size:.85rem;font-weight:700;display:grid}.steps 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