@import "https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable.min.css";
@import "https://fonts.googleapis.com/css2?family=Noto+Serif+KR:wght@400;500;600;700;900&family=Inter:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap";
@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-border-style:solid;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-outline-style:solid;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial;--tw-backdrop-blur:initial;--tw-backdrop-brightness:initial;--tw-backdrop-contrast:initial;--tw-backdrop-grayscale:initial;--tw-backdrop-hue-rotate:initial;--tw-backdrop-invert:initial;--tw-backdrop-opacity:initial;--tw-backdrop-saturate:initial;--tw-backdrop-sepia:initial}}}@layer theme{:root,:host{--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4, 0, .2, 1);--default-font-family:var(--body);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.collapse{visibility:collapse}.visible{visibility:visible}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.static{position:static}.sticky{position:sticky}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.isolate{isolation:isolate}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.contents{display:contents}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline{display:inline}.table{display:table}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.resize{resize:both}.rounded{border-radius:.25rem}.border{border-style:var(--tw-border-style);border-width:1px}.uppercase{text-transform:uppercase}.italic{font-style:italic}.shadow{--tw-shadow:0 1px 3px 0 var(--tw-shadow-color,#0000001a), 0 1px 2px -1px var(--tw-shadow-color,#0000001a);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.ring{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.blur{--tw-blur:blur(8px);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.drop-shadow{--tw-drop-shadow-size:drop-shadow(0 1px 2px var(--tw-drop-shadow-color,#0000001a)) drop-shadow(0 1px 1px var(--tw-drop-shadow-color,#0000000f));--tw-drop-shadow:drop-shadow(0 1px 2px #0000001a) drop-shadow(0 1px 1px #0000000f);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.backdrop-blur{--tw-backdrop-blur:blur(8px);-webkit-backdrop-filter:var(--tw-backdrop-blur,) var(--tw-backdrop-brightness,) var(--tw-backdrop-contrast,) var(--tw-backdrop-grayscale,) var(--tw-backdrop-hue-rotate,) var(--tw-backdrop-invert,) var(--tw-backdrop-opacity,) var(--tw-backdrop-saturate,) var(--tw-backdrop-sepia,);backdrop-filter:var(--tw-backdrop-blur,) var(--tw-backdrop-brightness,) var(--tw-backdrop-contrast,) var(--tw-backdrop-grayscale,) var(--tw-backdrop-hue-rotate,) var(--tw-backdrop-invert,) var(--tw-backdrop-opacity,) var(--tw-backdrop-saturate,) var(--tw-backdrop-sepia,)}.backdrop-filter{-webkit-backdrop-filter:var(--tw-backdrop-blur,) var(--tw-backdrop-brightness,) var(--tw-backdrop-contrast,) var(--tw-backdrop-grayscale,) var(--tw-backdrop-hue-rotate,) var(--tw-backdrop-invert,) var(--tw-backdrop-opacity,) var(--tw-backdrop-saturate,) var(--tw-backdrop-sepia,);backdrop-filter:var(--tw-backdrop-blur,) var(--tw-backdrop-brightness,) var(--tw-backdrop-contrast,) var(--tw-backdrop-grayscale,) var(--tw-backdrop-hue-rotate,) var(--tw-backdrop-invert,) var(--tw-backdrop-opacity,) var(--tw-backdrop-saturate,) var(--tw-backdrop-sepia,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}}:root{--ink:#0b0f14;--ink-2:#2c3542;--ink-3:#6b7280;--ink-4:#d1d5db;--paper:#fff;--paper-warm:#fbf7f0;--hair:#0b0f141f;--hair-soft:#0b0f1412;--accent:#1668c6;--accent-bright:#2997ff;--body:"Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;--display:"Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;--mono:"JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace}*{box-sizing:border-box;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html,body{background:var(--paper);color:var(--ink);font-family:var(--body);letter-spacing:-.01em;scroll-behavior:smooth;margin:0;padding:0}body{word-break:keep-all;overflow-wrap:break-word;overflow-x:hidden}h1,h2,h3,h4,h5,p,li,dt,dd,span,a,figcaption{word-break:keep-all}code,pre,.mono,.term-line{font-family:var(--mono);word-break:break-word;overflow-wrap:anywhere}a{color:inherit;text-decoration:none;transition:all .2s}::selection{background:#2997ff38}.nav{z-index:1000;-webkit-backdrop-filter:saturate(180%)blur(16px);border-bottom:1px solid var(--hair-soft);background:#ffffffdb;justify-content:center;align-items:center;height:52px;display:flex;position:fixed;top:0;left:0;right:0}.nav-inner{align-items:center;gap:26px;width:100%;max-width:1160px;padding:0 28px;display:flex}.nav-logo{letter-spacing:-.01em;font-size:13.5px;font-weight:700}.nav-spacer{flex:1}.nav a.nav-item{color:var(--ink-3);font-size:12.5px;transition:color .2s}.nav a.nav-item:hover{color:var(--ink)}.nav .nav-cta{border:1px solid var(--hair);border-radius:999px;padding:6px 14px;font-size:12px;font-weight:600;transition:all .2s}.nav .nav-cta:hover{border-color:var(--ink);background:var(--ink);color:#fff}.hero{flex-direction:column;justify-content:flex-end;max-width:1160px;min-height:92vh;margin:0 auto;padding:140px 28px 72px;display:flex}.eyebrow{font-family:var(--display);letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);align-items:center;gap:12px;margin-bottom:34px;font-size:13px;font-weight:600;display:flex}.eyebrow:before{content:"";background:var(--ink);width:36px;height:1px}h1.display{letter-spacing:-.045em;margin:0 0 36px;font-size:clamp(52px,8.6vw,124px);font-weight:800;line-height:1.02}h1.display em{color:var(--accent);font-style:normal}.hero-sub{color:var(--ink-2);max-width:560px;margin:0 0 64px;font-size:clamp(17px,1.6vw,21px);line-height:1.6}.hero-meta{border-top:1px solid var(--hair);font-family:var(--mono);flex-wrap:wrap;gap:0;font-size:12px;display:flex}.hero-meta>div{flex:1;min-width:180px;padding:18px 20px 0 0}.hero-meta .k{text-transform:uppercase;letter-spacing:.12em;color:var(--ink-3);margin-bottom:6px;font-size:10px;display:block}.hero-meta .v{color:var(--ink);font-size:13px;font-weight:500}section.chapter{border-top:1px solid var(--hair-soft);padding:130px 28px}section.chapter.warm{background:var(--paper-warm)}.wrap{max-width:1160px;margin:0 auto}.chapter-label{font-family:var(--mono);color:var(--ink-3);align-items:baseline;gap:16px;margin-bottom:28px;font-size:12px;display:flex}.chapter-label .num{font-family:var(--display);color:var(--ink);letter-spacing:.04em;font-size:13px;font-weight:700}.chapter-label a.star{color:var(--ink-2);border-bottom:1px solid var(--hair);padding-bottom:1px;transition:border-color .2s}.chapter-label a.star:hover{border-color:var(--ink)}.chapter h2{letter-spacing:-.038em;max-width:900px;margin:0 0 26px;font-size:clamp(36px,4.8vw,66px);font-weight:800;line-height:1.06}.chapter h2 .sub{color:var(--ink-3);font-weight:700}.chapter .tagline{color:var(--ink-2);max-width:600px;margin:0;font-size:clamp(16px,1.4vw,19px);line-height:1.62}.chapter .tagline b{color:var(--ink);font-weight:700}.split{grid-template-columns:5fr 6fr;align-items:center;gap:64px;margin-top:72px;display:grid}.split .copy h3{letter-spacing:-.03em;margin:0 0 18px;font-size:clamp(24px,2.4vw,32px);font-weight:800;line-height:1.2}.split .copy p{color:var(--ink-2);margin:0 0 28px;font-size:16px;line-height:1.65}.stat-row{border-top:1px solid var(--hair);gap:0;margin-bottom:32px;display:flex}.stat-row .stat{flex:1;padding:16px 16px 0 0}.stat-row .num{font-family:var(--display);letter-spacing:-.03em;font-size:clamp(28px,3vw,40px);font-weight:800;line-height:1}.stat-row .lbl{font-family:var(--mono);color:var(--ink-3);letter-spacing:.08em;text-transform:uppercase;margin-top:8px;font-size:10.5px}.app-mock{border:1px solid var(--hair);background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 1px 2px #0b0f140f,0 28px 56px -28px #0b0f1438}.app-mock img{width:100%;height:auto;display:block}.cta{border:1px solid var(--ink);color:var(--ink);border-radius:999px;align-items:center;gap:10px;padding:12px 22px;font-size:13.5px;font-weight:600;transition:all .22s;display:inline-flex}.cta:hover{background:var(--ink);color:#fff}.cta.ghost{border-color:var(--hair);color:var(--ink-2)}.cta.ghost:hover{border-color:var(--ink);color:var(--ink);background:0 0}.cta-row{flex-wrap:wrap;gap:12px;margin-top:44px;display:flex}.toc{max-width:1160px;margin:0 auto;padding:0 28px 40px}.toc-head{font-family:var(--display);letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);border-bottom:1px solid var(--ink);justify-content:space-between;padding-bottom:14px;font-size:12px;font-weight:600;display:flex}.toc-group{font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);border-bottom:1px solid var(--hair);padding:34px 0 10px;font-size:10.5px}.toc-row{border-bottom:1px solid var(--hair-soft);grid-template-columns:64px 1fr auto auto;align-items:baseline;gap:20px;padding:17px 0;transition:padding-left .25s cubic-bezier(.2,.7,.2,1);display:grid}.toc-row:hover{padding-left:10px}.toc-row .n{font-family:var(--mono);color:var(--ink-3);font-size:12px}.toc-row .t{letter-spacing:-.02em;font-size:clamp(17px,2vw,22px);font-weight:700}.toc-row .t small{color:var(--ink-3);margin-left:12px;font-size:.72em;font-weight:400}.toc-row .star{font-family:var(--mono);color:var(--ink-2);white-space:nowrap;font-size:12px}.toc-row .arr{color:var(--ink-4);transition:color .2s,transform .25s}.toc-row:hover .arr{color:var(--ink);transform:translate(3px)}.intent-tabs{flex-wrap:wrap;gap:10px;margin-bottom:32px;display:flex}.intent-tab{border:1px solid var(--hair);color:var(--ink-3);background:0 0;border-radius:999px;padding:8px 16px;font-size:13px;transition:all .2s}.intent-tab[aria-pressed=true],.intent-tab:hover{border-color:var(--ink);color:var(--ink)}.intent-tab[aria-pressed=true]{font-weight:600}.catalog-summary{font-family:var(--mono);color:var(--ink-3);margin-bottom:24px;font-size:12px}footer{background:var(--ink);font-family:var(--mono);color:#ffffff59;text-align:center;letter-spacing:.04em;padding:44px 28px;font-size:11px}.reveal{opacity:0;animation:.85s cubic-bezier(.2,.7,.2,1) forwards revealIn;transform:translateY(26px)}.reveal-stagger>*{opacity:0;animation:.65s cubic-bezier(.2,.7,.2,1) forwards revealIn;transform:translateY(16px)}.reveal-stagger>:first-child{animation-delay:40ms}.reveal-stagger>:nth-child(2){animation-delay:.1s}.reveal-stagger>:nth-child(3){animation-delay:.16s}.reveal-stagger>:nth-child(4){animation-delay:.22s}.reveal-stagger>:nth-child(5){animation-delay:.28s}@keyframes revealIn{to{opacity:1;transform:none}}@media (max-width:960px){.split{grid-template-columns:1fr;gap:44px;margin-top:52px}section.chapter{padding:88px 22px}.toc-row{grid-template-columns:44px 1fr auto}.toc-row .arr{display:none}}@media (max-width:640px){.nav a.nav-item{display:none}.hero{min-height:auto;padding:120px 20px 56px}h1.display{font-size:clamp(40px,11vw,64px)}.hero-meta>div{min-width:46%}.toc{padding:0 20px 24px}section.chapter{padding:64px 18px}.chapter h2{font-size:clamp(28px,7.6vw,40px)}.stat-row{flex-wrap:wrap}.stat-row .stat{min-width:40%}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}