@import "https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.css";
@import "https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@500;600;700&display=swap";
:root{--ark-bg:#f3f2f2;--ark-paper:#f8f4f4;--ark-ink:#201f1d;--ark-ink-soft:#444141;--ark-sub:#7d7979;--ark-line:#d7d3d3;--ark-gold:#a06f24;--ark-gold-soft:#b68235;--ark-gold-pale:#d7b57e;--ark-gold-light:#fff3e4;--ark-radius:7px;--ark-maxw:1080px;--ark-font-kr:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;--ark-font-heading:"Cormorant Garamond",var(--ark-font-kr)}*{box-sizing:border-box}html,body{background:var(--ark-bg);color:var(--ark-ink);font-family:var(--ark-font-kr);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;word-break:keep-all;overflow-wrap:break-word;margin:0;padding:0;line-height:1.7}a{color:var(--ark-gold);text-decoration:none}a:hover{text-decoration:underline}.ark-app{flex-direction:column;min-height:100vh;display:flex}.ark-container{max-width:var(--ark-maxw);width:100%;margin:0 auto;padding:0 24px}.ark-main{flex:1}.ark-nav{z-index:20;-webkit-backdrop-filter:saturate(140%)blur(12px);border-bottom:1px solid var(--ark-line);background:#f3f2f2db;position:sticky;top:0}.ark-nav-inner{max-width:var(--ark-maxw);justify-content:space-between;align-items:center;gap:16px;width:100%;margin:0 auto;padding:12px 24px;display:flex}.ark-brand{color:var(--ark-ink);white-space:nowrap;align-items:center;gap:10px;display:flex}.ark-brand:hover{text-decoration:none}.ark-brand-logo{border:1px solid var(--ark-line);border-radius:4px;flex:none;width:32px;height:32px;display:block}.ark-brand-name{font-family:var(--ark-font-heading);letter-spacing:.14em;font-size:22px;font-weight:600;line-height:1}.ark-nav-links{align-items:center;gap:20px;font-size:14px;display:flex}.ark-nav-links a{color:var(--ark-sub);white-space:nowrap}.ark-nav-links a:hover{color:var(--ark-ink);text-decoration:none}.ark-nav-cta{border:1px solid var(--ark-gold);border-radius:var(--ark-radius);padding:6px 14px;color:var(--ark-gold)!important}.ark-nav-cta:hover{background:var(--ark-gold-light)}.ark-btn{border-radius:var(--ark-radius);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:12px 22px;font-size:15px;font-weight:600;display:inline-flex}.ark-btn-primary{background:var(--ark-ink);color:var(--ark-paper)}.ark-btn-primary:hover{background:#2d2b2b;text-decoration:none}.ark-btn-ghost{color:var(--ark-ink);border-color:var(--ark-line);background:0 0}.ark-btn-ghost:hover{border-color:var(--ark-gold);color:var(--ark-gold);text-decoration:none}.ark-btn-gold{background:var(--ark-gold-soft);color:#201f1d}.ark-btn-gold:hover{background:var(--ark-gold);color:#fff;text-decoration:none}[aria-disabled=true]{opacity:.5;pointer-events:none}.ark-hero{text-align:center;padding:84px 24px 20px}.ark-hero-inner{max-width:760px;margin:0 auto}.ark-badge{border:1px solid var(--ark-line);background:var(--ark-paper);color:var(--ark-sub);letter-spacing:.02em;border-radius:999px;padding:5px 13px;font-size:12.5px;font-weight:600;display:inline-block}.ark-hero-logo{border:1px solid var(--ark-line);border-radius:var(--ark-radius);width:84px;height:84px;margin:26px auto 0;display:block}.ark-hero-title{letter-spacing:-.01em;margin:22px 0 0;font-size:44px;font-weight:700;line-height:1.32}.ark-hero-title em{font-family:var(--ark-font-heading);letter-spacing:.08em;color:var(--ark-gold);font-style:normal;font-weight:600}.ark-hero-sub{color:var(--ark-ink-soft);max-width:600px;margin:18px auto 0;font-size:17px}.ark-cta-row{flex-wrap:wrap;justify-content:center;gap:10px;margin-top:28px;display:flex}.ark-hero-note{color:var(--ark-sub);margin-top:16px;font-size:12.5px}.ark-rule{background:linear-gradient(90deg,transparent,var(--ark-gold-soft),transparent);opacity:.65;max-width:720px;height:1px;margin:56px auto 0}.ark-stats{background:var(--ark-line);border:1px solid var(--ark-line);border-radius:var(--ark-radius);grid-template-columns:repeat(4,1fr);gap:1px;margin-top:48px;display:grid;overflow:hidden}.ark-stat{background:var(--ark-paper);text-align:center;padding:20px 14px}.ark-stat-v{font-family:var(--ark-font-heading);color:var(--ark-gold);font-size:34px;font-weight:600;line-height:1.1}.ark-stat-l{color:var(--ark-sub);margin-top:4px;font-size:12.5px}.ark-section{padding-top:72px}.ark-kicker{color:var(--ark-gold);letter-spacing:.18em;text-transform:uppercase;margin:0 0 10px;font-size:11.5px;font-weight:700}.ark-section-title{letter-spacing:-.01em;margin:0;font-size:28px;font-weight:700}.ark-section-lead{color:var(--ark-sub);max-width:560px;margin:10px 0 0;font-size:15px}.ark-section-head{margin-bottom:28px}.ark-subjects{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}.ark-subject{border-radius:var(--ark-radius);border:1px solid var(--ark-line);background:var(--ark-paper);padding:28px 26px 26px;position:relative;overflow:hidden}.ark-subject-math{background:var(--ark-ink);border-color:var(--ark-ink);color:#eae7e7}.ark-glyph{pointer-events:none;-webkit-user-select:none;user-select:none;font-family:var(--ark-font-heading);color:#b6823529;font-size:108px;line-height:1;position:absolute;top:-18px;right:6px}.ark-subject-eyebrow{color:var(--ark-gold);margin:0;font-size:13px;font-weight:600}.ark-subject-math .ark-subject-eyebrow{color:var(--ark-gold-pale)}.ark-subject-title{margin:6px 0 0;font-size:22px;font-weight:700}.ark-subject-desc{color:var(--ark-sub);margin:8px 0 0;font-size:14.5px}.ark-subject-math .ark-subject-desc{color:#9b9797}.ark-chips{flex-wrap:wrap;gap:7px;margin-top:18px;display:flex}.ark-chip{border:1px solid var(--ark-line);color:var(--ark-ink-soft);background:#fff;border-radius:999px;padding:4px 10px;font-size:12.5px}.ark-subject-math .ark-chip{color:var(--ark-gold-pale);background:0 0;border-color:#d7b57e66}.ark-steps{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.ark-step{border:1px solid var(--ark-line);border-radius:var(--ark-radius);background:var(--ark-paper);padding:24px 22px}.ark-step-no{font-family:var(--ark-font-heading);letter-spacing:.18em;color:var(--ark-gold);font-size:15px;font-weight:700}.ark-step h3{margin:10px 0 6px;font-size:18px}.ark-step p{color:var(--ark-sub);margin:0;font-size:14.5px}.ark-step-note{border-top:1px solid var(--ark-line);color:var(--ark-ink-soft);margin-top:14px;padding-top:12px;font-size:13px}.ark-types{flex-wrap:wrap;gap:8px;display:flex}.ark-type{border:1px solid var(--ark-line);border-radius:var(--ark-radius);background:var(--ark-paper);padding:9px 16px;font-size:14.5px;font-weight:600}.ark-type span{color:var(--ark-sub);margin-left:7px;font-size:12.5px;font-weight:500}.ark-features{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.ark-feature{border:1px solid var(--ark-line);border-radius:var(--ark-radius);background:var(--ark-paper);padding:24px 22px}.ark-feature-icon{border-radius:var(--ark-radius);border:1px solid var(--ark-line);background:var(--ark-gold-light);width:38px;height:38px;color:var(--ark-gold);justify-content:center;align-items:center;display:inline-flex}.ark-feature-icon svg{display:block}.ark-feature h3{margin:14px 0 6px;font-size:17px}.ark-feature p{color:var(--ark-sub);margin:0;font-size:14px}.ark-phones{grid-template-columns:repeat(3,1fr);gap:22px;display:grid}.ark-phone-wrap{text-align:center}.ark-phone{border:1px solid var(--ark-line);background:#fff;border-radius:26px;max-width:268px;margin:0 auto;padding:8px;box-shadow:0 14px 34px #2d2b2b21}.ark-shot{background:var(--ark-bg);border-radius:18px;width:100%;height:auto;display:block}.ark-phone-cap{color:var(--ark-sub);margin:14px 0 0;font-size:13px}.ark-phone-cap strong{color:var(--ark-ink);margin-bottom:2px;font-size:14.5px;display:block}.ark-fig{border:1px solid var(--ark-line);background:#fff;border-radius:6px;flex-direction:column;justify-content:center;gap:8px;height:106px;padding:12px 14px;display:flex;overflow:hidden}.ark-fig-graph{width:100%;height:100%;display:block}.ark-fig-graph line{stroke:#d7d3d3;stroke-width:1.2px}.ark-fig-graph circle{fill:#fff;stroke:#c9c4c4;stroke-width:1.2px}.ark-fig-graph circle.on{fill:var(--ark-gold-soft);stroke:var(--ark-gold)}.ark-fig-graph circle.weak{fill:#fff;stroke:var(--ark-gold);stroke-dasharray:3 2}.ark-fig-row{align-items:center;gap:7px;display:flex}.ark-fig-tag{border:1px solid var(--ark-line);color:var(--ark-sub);background:var(--ark-bg);border-radius:5px;padding:3px 8px;font-size:9.5px;font-weight:700}.ark-fig-tag.on{background:var(--ark-ink);border-color:var(--ark-ink);color:#f8f4f4}.ark-fig-tag.gold{background:var(--ark-gold-light);color:var(--ark-gold);border-color:#a06f244d}.ark-fig-line{background:#e4e0e0;border-radius:3px;flex:1;height:5px}.ark-fig-line.gold{background:var(--ark-gold-pale)}.ark-fig-bars{align-items:flex-end;gap:7px;height:52px;display:flex}.ark-fig-bars i{background:#e4e0e0;border-radius:2px 2px 0 0;flex:1}.ark-fig-bars i.on{background:var(--ark-gold-soft)}.ark-fig-streak{align-items:center;gap:6px;display:flex}.ark-fig-streak span{border:1px solid var(--ark-line);background:var(--ark-bg);border-radius:5px;width:17px;height:17px}.ark-fig-streak span.on{background:var(--ark-gold-soft);border-color:var(--ark-gold)}.ark-fig-code{gap:5px;display:flex}.ark-fig-code span{border:1px solid var(--ark-line);background:var(--ark-bg);width:21px;height:26px;color:var(--ark-sub);border-radius:5px;justify-content:center;align-items:center;font-size:11px;font-weight:700;display:flex}.ark-fig-code span.on{border-color:var(--ark-gold);color:var(--ark-gold);background:var(--ark-gold-light)}.ark-fig-cap{color:var(--ark-sub);font-size:10px}.ark-plans{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}.ark-plan{border:1px solid var(--ark-line);border-radius:var(--ark-radius);background:var(--ark-paper);padding:28px 26px}.ark-plan-featured{border-color:var(--ark-gold);background:#fff}.ark-plan-name{color:var(--ark-gold);margin:0;font-size:14px;font-weight:700}.ark-price{letter-spacing:-.02em;margin:10px 0 0;font-size:30px;font-weight:700}.ark-price small{color:var(--ark-sub);margin-left:4px;font-size:14px;font-weight:500}.ark-price-sub{color:var(--ark-sub);margin:6px 0 0;font-size:13px}.ark-plan-list{margin:20px 0 0;padding:0;list-style:none}.ark-plan-list li{color:var(--ark-ink-soft);align-items:flex-start;gap:9px;padding:5px 0;font-size:14px;display:flex}.ark-plan-list svg{color:var(--ark-gold);flex:none;margin-top:3px}.ark-plan-note{color:var(--ark-sub);margin:18px 0 0;font-size:12.5px}.ark-compare-wrap{border:1px solid var(--ark-line);border-radius:var(--ark-radius);background:var(--ark-paper);margin-top:16px;overflow:hidden}.ark-compare{border-collapse:collapse;width:100%;font-size:14px}.ark-compare th,.ark-compare td{border-bottom:1px solid var(--ark-line);padding:13px 16px}.ark-compare tr:last-child th,.ark-compare tr:last-child td{border-bottom:none}.ark-compare thead th{text-align:center;background:#fff;font-size:13px;font-weight:700}.ark-compare thead th:first-child{text-align:left;color:var(--ark-sub);font-weight:500}.ark-compare thead th.gold{color:var(--ark-gold)}.ark-compare tbody th{text-align:left;color:var(--ark-ink);font-weight:600}.ark-compare td{text-align:center;color:var(--ark-ink-soft)}.ark-compare td.muted{color:#b0abab}.ark-compare td.yes{color:var(--ark-gold)}.ark-compare .col-premium{background:#fff}.ark-faq{width:100%}.ark-faq-item{border:1px solid var(--ark-line);border-radius:var(--ark-radius);background:var(--ark-paper);margin-bottom:10px;padding:2px 18px}.ark-faq-item summary{cursor:pointer;justify-content:space-between;align-items:center;gap:14px;padding:14px 0;font-size:15.5px;font-weight:600;list-style:none;display:flex}.ark-faq-item summary::-webkit-details-marker{display:none}.ark-faq-item summary:after{content:"";background-color:var(--ark-gold);flex:none;width:15px;height:15px;transition:transform .2s;-webkit-mask:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") 50%/contain no-repeat;mask:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 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24px 8px}.ark-legal-head{border-bottom:1px solid var(--ark-line);padding-bottom:22px}.ark-legal h1{margin:0;font-size:30px}.ark-legal-meta{color:var(--ark-sub);margin:8px 0 0;font-size:13px}.ark-legal-intro{color:var(--ark-ink-soft);margin:26px 0 0;font-size:15px}.ark-legal section{margin-top:34px}.ark-legal h2{margin:0 0 12px;font-size:19px}.ark-legal p{color:var(--ark-ink-soft);margin:0 0 12px;font-size:14.5px;line-height:1.85}.ark-legal p:last-child{margin-bottom:0}.ark-legal-fine{color:var(--ark-sub);font-size:13px}.ark-legal strong{color:var(--ark-ink)}.ark-legal-table-wrap{border:1px solid var(--ark-line);border-radius:var(--ark-radius);margin-bottom:12px;overflow:hidden}.ark-legal-table{border-collapse:collapse;text-align:left;width:100%;font-size:13px}.ark-legal-table th{background:var(--ark-paper);border-bottom:1px solid var(--ark-line);color:var(--ark-ink);padding:10px 12px;font-weight:600}.ark-legal-table td{border-bottom:1px solid var(--ark-line);color:var(--ark-ink-soft);vertical-align:top;padding:10px 12px}.ark-legal-table tr:last-child td{border-bottom:none}.ark-legal-box{border:1px solid var(--ark-line);border-radius:var(--ark-radius);background:var(--ark-paper);padding:16px 18px;font-size:13px;line-height:1.95}.ark-legal .ark-faq-item summary{font-size:15px}.ark-legal .ark-faq-item p{color:var(--ark-sub);margin:0 0 16px}.ark-legal .ark-legal-box strong{font-weight:700}.ark-legal-foot{border-top:1px solid var(--ark-line);color:var(--ark-sub);margin-top:48px;padding-top:22px;font-size:13px}.ark-legal-foot span{padding:0 8px}@media (max-width:880px){.ark-features,.ark-stats{grid-template-columns:repeat(2,1fr)}.ark-phones{grid-template-columns:1fr;gap:34px}}@media (max-width:720px){.ark-container{padding:0 18px}.ark-nav-inner{gap:10px;padding:10px 18px}.ark-nav-links{gap:12px;font-size:13px}.ark-nav-cta{padding:5px 11px}.ark-hero{padding-top:56px}.ark-hero-title{font-size:31px}.ark-hero-sub{font-size:15.5px}.ark-section{padding-top:56px}.ark-section-title{font-size:23px}.ark-subjects,.ark-steps,.ark-features,.ark-plans{grid-template-columns:1fr}.ark-cta-band{padding:40px 22px}.ark-legal h1{font-size:25px}}@media (max-width:520px){.ark-nav-links .ark-nav-hide{display:none}.ark-stats{grid-template-columns:repeat(2,1fr)}.ark-compare th,.ark-compare td{padding:11px 10px;font-size:12.5px}.ark-legal-table{font-size:12.5px}.ark-legal-table th,.ark-legal-table td{padding:8px 9px}}