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@font-face{font-family:Pretendard;src:url('/assets/Pretendard-Bold.woff2') format('woff2');font-weight:600 900;font-style:normal;font-display:swap}
:root{--ink:#191f28;--body:#4e5968;--muted:#6b7684;--blue:#2272eb;--action:#216fe6;--action-hover:#1767d5;--blue-soft:#eaf3ff;--paper:#f7f8fa;--line:#e5e8eb;--error:#b42318;--header-height:72px;--toc-height:0px;--anchor-offset:calc(var(--header-height) + var(--toc-height) + 20px)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:var(--anchor-offset);scrollbar-gutter:stable}body{margin:0;background:#fff;color:var(--ink);font:400 18px/1.65 Pretendard,'Apple SD Gothic Neo','Malgun Gothic',sans-serif;word-break:keep-all;overflow-wrap:break-word;-webkit-font-smoothing:antialiased}body.dialog-open{position:fixed;width:100%;overflow:hidden}button,input{font:inherit}button,a,input,summary{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default}a{color:inherit;text-decoration:none}h1,h2,h3,p{margin:0}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--action-hover);outline-offset:5px}button:focus:not(:focus-visible){outline:none}::selection{background:#bed8ff;color:#14263d}[hidden]{display:none!important}.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}.container{max-width:1000px;margin:0 auto}.reading-width{max-width:750px}.skip-link{position:fixed;top:-70px;left:20px;z-index:100;background:white;padding:10px 20px;border-radius:8px;box-shadow:0 4px 20px #191f2820}.skip-link:focus{top:12px}.button{display:inline-flex;justify-content:center;align-items:center;gap:24px;min-height:56px;padding:14px 26px;border:0;border-radius:12px;background:var(--action);color:#fff;font-size:17px;font-weight:700;line-height:1.4;transition:background .18s,transform .18s}.button:hover:not(:disabled){background:var(--action-hover);transform:translateY(-1px)}.button>span{font-size:22px;font-weight:400;line-height:1}.button-small{min-height:44px;padding:10px 18px;font-size:15px;gap:18px}.button-small>span{font-size:19px}.button:disabled{background:#e5e8eb;color:#697584;transform:none}.site-header{height:var(--header-height);position:sticky;top:0;z-index:30;background:#ffffffed;border-bottom:1px solid #00000005;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}.header-inner{height:100%;max-width:1140px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:inline-flex;align-items:center;gap:11px;font-size:20px;font-weight:700;letter-spacing:-.05em;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:37px;height:37px;flex-shrink:0;border-radius:11px;background:var(--action);color:#fff;font-size:20px;font-weight:800;line-height:1;letter-spacing:-.055em}.chapter-nav{position:fixed;z-index:20;left:24px;top:38%;font-size:12px;font-weight:700}.chapter-links{display:grid;gap:3px}.chapter-links>a{position:relative;display:flex;align-items:center;gap:10px;min-height:44px;color:var(--muted)}.chapter-links>a:before{content:'';width:18px;height:3px;border-radius:3px;background:#cbd1d9;transition:width .2s,background .2s}.chapter-links>a[aria-current]{color:var(--action-hover)}.chapter-links>a[aria-current]:before{width:28px;background:var(--action)}.chapter-label{position:absolute;left:65px;white-space:nowrap;padding:6px 12px;border-radius:8px;background:white;box-shadow:0 4px 22px #191f2812;opacity:0;pointer-events:none;transition:opacity .15s}.chapter-links>a:hover .chapter-label,.chapter-links>a:focus-visible .chapter-label{opacity:1}
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.section{padding:112px 32px}.section-label{display:flex;align-items:center;gap:12px;font-size:16px;font-weight:700;color:var(--action-hover);margin-bottom:28px}.section-label>span{font-size:13px;display:grid;place-items:center;width:32px;height:32px;background:var(--blue-soft);border-radius:50%;font-variant-numeric:tabular-nums}.section h2{font-size:clamp(34px,4vw,52px);font-weight:800;line-height:1.3;letter-spacing:-.055em}.section-intro{font-size:21px;color:var(--body);line-height:1.7;letter-spacing:-.025em;margin-top:24px}.section-heading-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:70px;align-items:center}.free-card{border-radius:28px;background:var(--blue-soft);padding:30px 34px;color:var(--action-hover);align-self:center;position:relative}.small-label{font-size:14px;font-weight:700}.free-card>p{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:12px 0 6px}.free-card>p>span{font-size:19px;font-weight:700}.free-card 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22px;width:22px;height:22px;color:#617085}.disclosure-icon:before,.disclosure-icon:after{content:'';position:absolute;left:4px;right:4px;top:10px;height:1.5px;background:currentColor}.disclosure-icon:after{transform:rotate(90deg);transition:transform .2s}details[open]>summary .disclosure-icon:after{transform:rotate(0)}details[open]>summary{color:var(--ink)}.details-body{padding:2px 32px 30px 0;color:var(--body);font-size:18px;line-height:1.8}.details-body p+p{margin-top:18px}.soft-section{background:var(--paper)}.efficiency-flow{display:grid;grid-template-columns:1fr 24px 1fr 24px 1fr;align-items:center;gap:16px;margin-top:45px}.efficiency-flow>div{padding:26px;border-radius:22px;background:white;min-height:181px}.flow-index{display:grid;place-items:center;background:#f2f4f6;color:var(--muted);width:29px;height:29px;border-radius:50%;font-size:12px;font-weight:700;margin-bottom:23px}.efficiency-flow h3{font-size:21px;line-height:1.4;letter-spacing:-.03em}.efficiency-flow 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dialog{padding:0;border:0;border-radius:28px;width:min(480px,calc(100% - 32px));max-height:calc(100dvh - 40px);background:white;color:var(--ink);box-shadow:0 24px 100px #101c3340;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin}dialog::backdrop{background:#121d325c;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.dialog-inner{position:relative;padding:34px 32px 30px}.dialog-close{position:absolute;z-index:1;right:14px;top:14px;display:grid;place-items:center;width:44px;height:44px;border:0;border-radius:50%;background:transparent;color:var(--muted);font-size:30px;line-height:1;font-weight:400}.dialog-close:hover{background:#f2f4f6;color:var(--ink)}.dialog-eyebrow{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--body);padding-right:22px;margin-bottom:23px}.dialog-eyebrow .brand-mark{width:28px;height:28px;font-size:15px;border-radius:8px}.dialog-inner h2{font-size:31px;font-weight:800;line-height:1.35;letter-spacing:-.05em}.dialog-description{font-size:15px;color:var(--body);margin-top:10px}.availability-message{font-size:14px;line-height:1.65;padding:14px 16px;background:var(--blue-soft);color:#315783;border-radius:12px;margin-top:22px}#signup-form{margin-top:26px}fieldset{border:0;padding:0;margin:0;min-width:0}.form-field+.form-field{margin-top:18px}.form-field label{display:block;font-size:15px;font-weight:700;margin-bottom:8px}.form-field input{display:block;width:100%;height:50px;border:1px solid #8390a0;border-radius:11px;background:white;padding:12px 14px;font-size:16px;color:var(--ink);line-height:1.4;transition:border-color .15s,box-shadow .15s}.form-field input::placeholder{color:#778492}.form-field input:focus{border-color:var(--action)}.form-field input[aria-invalid=true]{border-color:var(--error)}.form-field input:disabled{background:#f7f8fa;border-color:#c5cdd7;color:var(--muted);opacity:1}.form-help{font-size:14px;line-height:1.75;color:var(--body);margin-top:18px;margin-bottom:24px}.field-error{color:var(--error);font-size:12px;line-height:1.6;margin-top:7px}.submit-button{width:100%;margin-top:17px;font-size:16px}.form-message{font-size:14px;line-height:1.7;padding:14px 15px;background:#fff1ef;border-radius:12px;color:var(--error);margin-top:12px}.form-message[data-tone=info]{background:var(--blue-soft);color:#315783}.pending-note{font-size:12px;color:var(--body);text-align:center;margin-top:12px}.security-area{margin:8px 0 16px}.security-message{font-size:12px;color:var(--body);line-height:1.7;margin-top:8px}.text-button{border:0;border-radius:4px;padding:8px 0;min-height:36px;font-size:13px;color:var(--action-hover);background:transparent;text-decoration:underline;text-underline-offset:3px}.success-panel{text-align:center;padding:30px 0 10px}.success-mark{display:grid;place-items:center;width:64px;height:64px;border-radius:50%;background:var(--blue-soft);color:var(--action-hover);font-size:34px;margin:0 auto 25px}.success-panel h2:focus{outline:none}.success-panel>p{font-size:16px;line-height:1.8;color:var(--body);margin:20px 0 24px}
@media(max-width:1250px){:root{--toc-height:52px}.header-inner{padding:0 28px}.chapter-nav{position:sticky;left:auto;top:var(--header-height);height:var(--toc-height);background:#ffffffed;border-bottom:1px solid #e5e8eb;backdrop-filter:blur(16px);overflow-x:auto;scrollbar-width:none;font-size:13px}.chapter-nav::-webkit-scrollbar{display:none}.chapter-links{display:flex;justify-content:center;gap:28px;height:100%;width:max-content;min-width:100%;padding:0 28px}.chapter-links>a{gap:7px;flex-shrink:0;border-bottom:2px solid transparent;padding:0 3px;min-height:52px}.chapter-links>a:before{display:none}.chapter-links>a[aria-current]{border-bottom-color:var(--action)}.chapter-label{position:static;opacity:1;padding:0;background:none;box-shadow:none;border-radius:0}.chapter-number{font-size:11px;color:#778695}.chapter-links>a[aria-current] .chapter-number{color:var(--action-hover)}.chapter-links>a:focus-visible{outline-offset:-5px}.hero-grid{gap:48px}.hero h1{font-size:clamp(48px,5.9vw,70px)}}
@media(max-width:900px){.hero-grid{gap:35px;padding:58px 0}.hero h1{font-size:55px}.hero-subtitle{font-size:23px}.hero-copy>p:not(.hero-subtitle){font-size:15px}.section-heading-grid,.privacy-grid{gap:36px}.section h2{font-size:42px}.free-card{padding:26px}.free-card strong{font-size:87px}.efficiency-flow{gap:9px;grid-template-columns:1fr 16px 1fr 16px 1fr}.efficiency-flow>div{padding:21px 18px}.efficiency-flow h3{font-size:19px}.efficiency-flow p{font-size:13px}.privacy-note{padding:32px}.note-title{font-size:25px}}
@media(max-width:760px){:root{--header-height:64px}.header-inner{padding:0 20px;gap:12px}.brand{font-size:17px;gap:9px}.brand-mark{width:33px;height:33px;font-size:18px;border-radius:10px}.button-small{padding:10px 15px;font-size:14px;gap:14px}.chapter-links{justify-content:flex-start;padding:0 22px;gap:26px}.hero{padding:34px 24px 24px}.eyebrow{font-size:12px;gap:8px}.eyebrow-line{width:17px}.hero-grid{display:block;padding:36px 0 36px}.hero h1{font-size:clamp(42px,10.8vw,62px);line-height:1.22;letter-spacing:-.065em;white-space:normal}.hero-copy{padding-top:30px;max-width:520px}.hero-subtitle{font-size:22px;line-height:1.5;margin-bottom:18px}.hero-copy>p:not(.hero-subtitle){font-size:15px;line-height:1.8}.hero-copy>p+p:not(.hero-subtitle){margin-top:12px}.hero-button{margin-top:25px;min-height:52px;font-size:16px;min-width:150px}.hero-bottom{font-size:11px;gap:12px;padding-top:18px}.hero-bottom-note{display:none}.scroll-cue{width:34px;height:34px;font-size:21px}.section{padding:72px 24px}.section-label{font-size:14px;margin-bottom:22px;gap:9px}.section-label>span{width:28px;height:28px;font-size:12px}.section h2{font-size:clamp(30px,7.8vw,42px);line-height:1.33;letter-spacing:-.055em}.section-intro{font-size:18px;margin-top:20px;line-height:1.7}.section-heading-grid{grid-template-columns:1fr;gap:28px}.free-card{max-width:420px;padding:24px 28px}.free-card>p{margin:3px 0}.free-card strong{font-size:84px}.free-card strong>span{font-size:29px}.free-card-foot{margin-top:12px;padding-top:13px;font-size:13px}.small-label{font-size:13px}.key-copy{font-size:18px;line-height:1.8;margin-top:28px}.disclosure{margin-top:25px}.disclosure summary{padding:20px 0;font-size:15px;line-height:1.6;min-height:66px;gap:12px}.details-body{font-size:16px;padding:0 0 25px;line-height:1.85}.details-body p+p{margin-top:16px}.efficiency-flow{grid-template-columns:1fr;gap:0;margin-top:30px}.efficiency-flow>div{display:grid;grid-template-columns:30px 1fr;column-gap:14px;row-gap:4px;padding:21px 24px;min-height:0;border-radius:18px}.flow-index{grid-row:1/3;align-self:center;margin:0}.efficiency-flow h3{font-size:19px}.efficiency-flow p{font-size:14px;grid-column:2;margin:0}.flow-arrow{height:25px;font-size:20px;line-height:25px}.flow-arrow:nth-of-type(2){transform:rotate(90deg)}.statement{font-size:19px;margin-top:34px;padding-left:20px;line-height:1.8}.privacy-grid{grid-template-columns:1fr;gap:30px}.privacy-note{padding:30px;max-width:480px}.note-motif{margin-bottom:20px}.note-title{font-size:26px}.note-caption{font-size:15px;margin-top:18px}.bargaining-topics{gap:10px;margin-top:30px}.bargaining-topics>div{min-height:153px;padding:20px 15px;border-radius:18px;gap:20px}.bargaining-topics h3{font-size:19px;letter-spacing:-.045em}.bargaining-topics span{font-size:12px}.mobile-break{display:initial}.desktop-break{display:none}.closing-invitation{margin-top:66px;padding:44px 22px 40px;border-radius:24px}.closing-title{font-size:34px}.closing-invitation>p:not(.closing-title){font-size:16px;margin-top:20px}.closing-invitation .button{font-size:16px;min-height:52px}.invitation-symbol{width:40px;height:40px;font-size:29px;margin-bottom:22px}.site-footer{padding:34px 24px}.footer-inner{display:block}.footer-inner>p{font-size:13px;margin-top:16px}.footer-note{display:block;margin-top:10px;font-size:11px}.dialog-inner{padding:30px 24px 24px}.dialog-inner h2{font-size:29px}.dialog-close{right:9px;top:9px}.dialog-eyebrow{font-size:12px}.dialog-description{font-size:14px}.dialog-inner .button{font-size:15px}.availability-message{font-size:13px;padding:13px 14px}dialog{max-height:calc(100dvh - 24px);border-radius:24px}.form-help{font-size:13px}}
@media(max-width:380px){.hero h1{font-size:40px}.brand{font-size:16px}.brand-mark{width:31px;height:31px;font-size:17px}.button-small{gap:9px;padding:10px 13px}.bargaining-topics h3{font-size:17px}.bargaining-topics>div{padding:19px 12px}.dialog-inner{padding-left:20px;padding-right:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}.button:hover:not(:disabled){transform:none}}
@media print{.site-header,.chapter-nav,.button,.scroll-cue,.skip-link,.noscript-note,dialog{display:none!important}.hero{padding:40px 0;background:#f5f8fb}.hero-grid{padding:35px 0}.hero-bottom{display:none}.section{padding:40px 0;break-inside:avoid}.section h2{font-size:30px}.details-body{font-size:12pt}.site-footer{background:white;padding:30px 0}.disclosure{border:0}.disclosure summary{padding:12px 0}}