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a:hover{color:var(--cheong)}.nav-cta{background:var(--ink);color:#fff;border-radius:999px;padding:9px 18px;font-size:1rem;transition:all .2s}.nav-cta:hover{background:var(--cheong-deep)}.hero{padding:72px 0 88px;position:relative;overflow:hidden}.hero-hangul{font-family:var(--kr);color:#0000;-webkit-text-stroke:1.5px #e3e7f1;-webkit-user-select:none;user-select:none;pointer-events:none;letter-spacing:-.02em;font-size:17.25rem;font-weight:700;line-height:1;position:absolute;top:8px;right:-40px}.hero-grid{grid-template-columns:1.15fr 1fr;align-items:center;gap:56px;display:grid;position:relative}.eyebrow{color:var(--cheong);background:var(--cheong-tint);border-radius:999px;align-items:center;gap:8px;margin-bottom:20px;padding:6px 14px;font-size:.9688rem;font-weight:500;display:inline-flex}.eyebrow 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var(--line);z-index:40;position:sticky;top:0}.rd-bar-in{justify-content:space-between;align-items:center;gap:12px;max-width:760px;height:56px;margin:0 auto;padding:0 18px;display:flex}.rd-back{font-family:var(--sans);color:var(--ink-soft);cursor:pointer;background:0 0;border:none;align-items:center;gap:6px;padding:6px 0;font-size:1.0625rem;display:flex}.rd-back:hover{color:var(--cheong)}.rd-title{font-family:var(--serif);white-space:nowrap;text-overflow:ellipsis;font-size:1.0938rem;font-weight:600;overflow:hidden}.rd-tools{gap:6px;display:flex}.rd-tool{background:var(--card);border:1px solid var(--line);font-family:var(--sans);color:var(--ink-soft);cursor:pointer;border-radius:8px;padding:6px 11px;font-size:.9375rem}.rd-tool:hover{border-color:var(--cheong);color:var(--cheong)}.rd-tool.on{background:var(--cheong-tint);border-color:var(--cheong);color:var(--cheong);font-weight:500}.rd-progress{background:var(--line);height:3px}.rd-progress span{background:var(--cheong);width:0;height:100%;transition:all .3s;display:block}.rd-body{max-width:960px;margin:0 auto;padding:28px 18px 110px}.rd-canvas-frame{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:0 14px 40px -30px #23262d4d}.rd-canvas-frame canvas{width:100%;display:block}.rd-status{text-align:center;color:var(--ink-mute);margin-top:14px;font-size:1rem}.rd-nav{background:var(--header-bg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-top:1px solid var(--line);z-index:40;position:fixed;bottom:0;left:0;right:0}.rd-nav-in{justify-content:space-between;align-items:center;gap:12px;max-width:680px;margin:0 auto;padding:12px 18px;display:flex}.rd-nav button{min-width:96px}.rd-pageno{white-space:nowrap;color:var(--ink-mute);font-variant-numeric:tabular-nums;flex:none;font-size:.9688rem}@media (max-width:860px){.rd-title{font-size:1rem}}.menu-btn{border:1px solid var(--line);cursor:pointer;width:38px;height:38px;color:var(--ink);background:0 0;border-radius:8px;font-size:1.4063rem;line-height:1;display:none}.mobile-menu{border-top:1px solid var(--line);background:var(--card);display:none}.mobile-menu.open{display:block}.mobile-menu a{border-bottom:1px solid var(--line);color:var(--ink-soft);padding:14px 24px;font-size:1.0938rem;display:block}.mobile-menu a:active{background:var(--cheong-tint);color:var(--cheong)}@media (max-width:1024px){.cards,.pv-grid,.mb-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:860px){body{font-size:1.125rem}section{padding:56px 0}.wrap{padding:0 18px}.nav{height:58px}.nav-links,.nav-cta{display:none}.menu-btn{justify-content:center;align-items:center;display:flex}.hero{padding:44px 0 56px}.hero-grid{grid-template-columns:1fr;gap:36px}.hero-hangul{-webkit-text-stroke-width:1px;font-size:9.4063rem;top:auto;bottom:-18px;right:-50px}h1{font-size:clamp(31.5px,7vw,40.5px)}.lead{font-size:1.0938rem}.login-card{padding:22px 18px}.sec-head{margin-bottom:32px}.cards,.pv-grid,.mb-grid{grid-template-columns:1fr;gap:14px}.flashcard{padding:22px 20px}.plans{grid-template-columns:1fr;gap:28px}.plan{padding:26px 22px}.price{font-size:2.3438rem}.cta{border-radius:16px;margin:0;padding:44px 22px}.mb-hero{padding:36px 0}.mb-hero .hello{font-size:1.7188rem}.mb-section{padding:40px 0}.foot{flex-direction:column;align-items:flex-start;gap:8px}.ticker-item .kr{font-size:1.1875rem}}@media (max-width:400px){.login-card{padding:20px 14px}.hero-hangul{display:none}}