@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=Noto+Sans+KR:wght@300;400;500;700;900&display=swap";:root{--bg-deep: #050510;--bg-dark: #0d1117;--bg-card: rgba(22, 27, 34, .7);--accent-teal: #00f2fe;--accent-cyan: #4facfe;--accent-purple: #7c4dff;--text-primary: #ffffff;--text-secondary: #a1a1aa;--text-muted: #71717a;--border-glass: rgba(255, 255, 255, .1);--sidebar-width: 280px;--font-main: "Pretendard Variable", "Pretendard", "-apple-system", "BlinkMacSystemFont", "system-ui", "Roboto", "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;--transition: .3s cubic-bezier(.4, 0, .2, 1);--glass-blur: blur(16px)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-main);background-color:var(--bg-deep);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;overflow-x:hidden}body:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 70% 20%,rgba(0,242,254,.08),transparent 40%),radial-gradient(circle at 20% 80%,rgba(124,77,255,.08),transparent 40%);z-index:-1}.sidebar{width:var(--sidebar-width);height:100vh;position:fixed;left:0;top:0;background:#0d1117d9;-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border-right:1px solid var(--border-glass);overflow-y:auto;z-index:1000;display:flex;flex-direction:column}.main-content{margin-left:var(--sidebar-width);flex:1;min-height:100vh;background:transparent}.container{max-width:1100px;margin:0 auto;padding:6rem 4rem}.section-title{font-size:3.8rem;font-weight:900;letter-spacing:-.05em;line-height:1.1;margin-bottom:2rem;background:linear-gradient(135deg,#fff 30%,#ffffff80);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.nav-item{display:flex;align-items:center;gap:1.2rem;padding:1.2rem 1.8rem;width:100%;border-radius:14px;color:#fff;font-weight:700;font-size:1rem;transition:var(--transition);border:1px solid transparent;background:transparent;cursor:pointer}.nav-item.active{color:var(--accent-teal);background:#00f2fe1a;border-color:#00f2fe4d;box-shadow:0 0 20px #00f2fe26;font-weight:900}@media(max-width:1024px){.app-container.mobile-view{display:block;padding-top:70px}.main-content.mobile{margin-left:0}.mobile-header{display:flex;position:fixed;top:0;left:0;width:100%;height:70px;background:#050510d9;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-glass);z-index:2000;padding:0 1.5rem;align-items:center;justify-content:space-between}.mobile-header-logo-container img{height:28px;width:auto}.menu-toggle{background:none;border:none;cursor:pointer;padding:8px}.mobile-section{padding:3rem 1.5rem;min-height:calc(100vh - 70px)}.mobile-container{max-width:500px;margin:0 auto}.saving-badge-mobile{display:inline-block;padding:6px 16px;background:#00f2fe1a;border:1px solid rgba(0,242,254,.2);border-radius:100px;font-size:.75rem;font-weight:900;color:var(--accent-teal);letter-spacing:.05em;margin-bottom:1.5rem}.mobile-title{font-size:2.6rem;font-weight:900;line-height:1.1;letter-spacing:-.04em;margin-bottom:1rem;color:#fff}.mobile-title.small{font-size:2rem}.text-gradient{background:linear-gradient(135deg,var(--accent-teal),var(--accent-cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.mobile-subtitle{font-size:1.05rem;color:var(--text-secondary);margin-bottom:3rem;line-height:1.6;font-weight:500}.mobile-card-stack{display:flex;flex-direction:column;gap:2rem}.mobile-luxury-card{background:var(--bg-card);-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);border:1px solid var(--border-glass);border-radius:24px;padding:1.8rem;transition:.3s}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem}.brand-name{font-size:1.4rem;font-weight:800;color:#fff;margin:0}.badge-online{background:#7c4dff;padding:4px 10px;border-radius:4px;font-size:.65rem;font-weight:900}.badge-academy{background:#ff4d4d;padding:4px 10px;border-radius:4px;font-size:.65rem;font-weight:900}.card-img-wrapper{position:relative;border-radius:16px;overflow:hidden;box-shadow:0 20px 40px #00000080;border:1px solid rgba(255,255,255,.05)}.card-img-wrapper img{width:100%;display:block;transition:.5s}.zoom-hint-mobile{position:absolute;bottom:0;left:0;width:100%;background:#0009;padding:8px;font-size:.75rem;font-weight:700;text-align:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);color:#fffc}.sidebar{width:85%!important;max-width:320px;left:-325px!important;transition:transform .5s cubic-bezier(.19,1,.22,1);box-shadow:none}.sidebar.mobile-open{transform:translate(325px);box-shadow:20px 0 80px #000c}.mobile-sidebar-overlay{background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.mobile-timeline-cards{display:flex;flex-direction:column;gap:1.5rem}.timeline-card{padding:1.5rem;border-radius:20px;background:#ffffff08;border-left:4px solid}.timeline-card.brand-r{border-color:var(--accent-purple)}.timeline-card.brand-x{border-color:var(--accent-teal)}.timeline-card.brand-final{border-color:#fff}.brand-label{font-weight:900;font-size:1.1rem;margin-bottom:1rem;color:#fff}.timeline-items{display:flex;flex-direction:column;gap:.8rem}.t-item{font-size:.9rem;color:var(--text-secondary)}.t-item span{font-family:monospace;font-weight:800;color:#fff;margin-right:8px}.t-item.primary{color:var(--accent-teal);font-weight:800}.mobile-membership-stack{display:flex;flex-direction:column;gap:1.5rem}.mobile-membership-card{padding:2rem;border-radius:24px;background:var(--bg-card);border:1px solid var(--border-glass)}.mobile-membership-card.highlight{border-color:var(--accent-teal);box-shadow:0 0 30px #00f2fe1a}.m-type{font-size:.9rem;font-weight:900;color:var(--text-muted);text-transform:uppercase;margin-bottom:.5rem}.m-price{font-size:1.8rem;font-weight:900;color:#fff;margin-bottom:1.5rem}.m-features{display:flex;flex-direction:column;gap:.8rem}.m-features div{display:flex;gap:10px;align-items:center;font-size:.95rem;color:var(--text-secondary)}.m-features div.special{color:var(--accent-teal);font-weight:700}.mobile-action-buttons{display:flex;flex-direction:column;gap:1rem}.m-btn{padding:1.25rem;border-radius:16px;font-weight:800;font-size:1.1rem;text-align:center;text-decoration:none;display:flex;align-items:center;justify-content:center;gap:10px;transition:.2s}.m-btn-primary{background:var(--accent-teal);color:#000;box-shadow:0 10px 20px #00f2fe33}.m-btn-secondary{background:#ffffff0d;border:1px solid var(--border-glass);color:#fff}}.luxury-modal{z-index:5000!important}.modal-img{max-width:95vw;max-height:85vh;border-radius:12px;box-shadow:0 50px 100px #000c}.modal-close-btn{position:absolute;bottom:-60px;left:50%;transform:translate(-50%);background:none;border:none;color:#fff}.app-container{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);height:100vh;position:fixed;left:0;top:0;background-color:var(--bg-white);border-right:1px solid var(--border-gray);display:flex;flex-direction:column;padding:2rem 1.5rem;z-index:100}.sidebar-logo{display:flex;flex-direction:column;margin-bottom:3rem}.logo-csm{font-size:1.2rem;color:var(--text-dark)}.logo-csm strong{color:var(--csm-green)}.logo-union{font-size:1.5rem;font-weight:800;letter-spacing:-.02em;color:var(--text-dark);margin-top:-.2rem}.sidebar-nav ul{display:flex;flex-direction:column;gap:.5rem}.nav-item{width:100%;display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;border-radius:.5rem;color:var(--text-muted);transition:all .2s ease;font-weight:500}.nav-item:hover{background-color:var(--bg-gray);color:var(--text-dark)}.nav-item.active{background-color:var(--csm-green-light);color:var(--csm-green)}.sidebar-footer{margin-top:auto;padding-top:2rem}.footer-link{display:flex;align-items:center;gap:.5rem;font-size:.85rem;color:var(--text-muted)}.footer-link:hover{color:var(--csm-green)}.main-content{margin-left:var(--sidebar-width);flex:1;background-color:var(--bg-white);min-height:100vh}.section{padding:6rem 0}.section-title{font-size:2.5rem;margin-bottom:1rem;color:var(--text-dark)}.section-subtitle{font-size:1.1rem;color:var(--text-muted);margin-bottom:3rem}.pricing-comparison{width:100%;border-collapse:collapse;margin:2rem 0;background:#fff;border-radius:1rem;overflow:hidden;box-shadow:0 4px 6px -1px #0000001a}.pricing-comparison th,.pricing-comparison td{padding:1.5rem;text-align:center;border-bottom:1px solid var(--border-gray)}.pricing-comparison th{background-color:var(--bg-gray);font-weight:600}.pricing-comparison .highlight-row{background-color:var(--csm-green-light)}.saving-badge{display:inline-block;padding:.25rem .75rem;background-color:var(--csm-green);color:#fff;border-radius:9999px;font-weight:600;font-size:.875rem}.faq-container{display:flex;flex-direction:column;gap:1rem}.faq-item{border:1px solid var(--border-gray);border-radius:.75rem;overflow:hidden}.faq-question{width:100%;padding:1.5rem;display:flex;justify-content:space-between;align-items:center;background:#fff;font-weight:600;text-align:left}.faq-answer{padding:0 1.5rem 1.5rem;color:var(--text-muted)}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#050510f2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);display:flex;justify-content:center;align-items:center;z-index:2000;cursor:zoom-out;animation:fadeIn .3s ease}.modal-content{position:relative;max-width:95vw;max-height:95vh;display:flex;justify-content:center;align-items:center}.modal-img{max-width:100%;max-height:95vh;border-radius:12px;box-shadow:0 50px 100px #000c;border:1px solid rgba(255,255,255,.1);animation:scaleUp .4s cubic-bezier(.4,0,.2,1)}.benefit-notice-container{margin-bottom:2.5rem;display:flex;justify-content:center}.benefit-notice{display:inline-flex;align-items:center;gap:.6rem;padding:.8rem 1.8rem;background:#00f2fe14;border:1px solid rgba(0,242,254,.3);border-radius:100px;color:var(--accent-teal);font-size:1.05rem;font-weight:700;animation:slideDown .5s ease;box-shadow:0 0 20px #00f2fe1a}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleUp{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@media(max-width:768px){.sidebar{width:60px;padding:2rem .5rem}.main-content{margin-left:60px}.section-title{font-size:2rem}.benefit-notice{font-size:.9rem;padding:.7rem 1.2rem;line-height:1.4;text-align:center;margin:0 1rem}}