.tds-dialog-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:10000;padding:16px;animation:tds-dialog-overlay-fade-in .2s ease}@keyframes tds-dialog-overlay-fade-in{0%{opacity:0}to{opacity:1}}.tds-dialog{background:var(--color-background, #FFFFFF);border-radius:16px;width:100%;max-width:400px;max-height:90vh;overflow:hidden;display:flex;flex-direction:column;animation:tds-dialog-slide-up .3s ease;box-shadow:0 8px 24px #00000026}@keyframes tds-dialog-slide-up{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.tds-dialog-title{font-size:18px;font-weight:var(--font-weight-bold, 700);color:var(--color-text-primary, #191F28);padding:24px 24px 16px;line-height:1.4}.tds-dialog-content{padding:0 24px 24px;font-size:16px;line-height:1.5;color:var(--color-text-primary, #191F28);flex:1;overflow-y:auto}.tds-dialog-actions{display:flex;border-top:1px solid var(--color-border, #E5E8EB);padding:0}.tds-dialog-button{flex:1;padding:16px;border:none;background:transparent;font-size:16px;font-weight:var(--font-weight-semibold, 600);cursor:pointer;transition:background-color .2s ease;color:var(--color-text-primary, #191F28)}.tds-dialog-button-cancel{border-right:1px solid var(--color-border, #E5E8EB)}.tds-dialog-button-confirm{color:var(--color-primary, #4285F4)}.tds-dialog-button:hover{background:var(--color-background-subtle, #F8F9FA)}.tds-dialog-button:active{background:var(--color-background-hover, #F0F1F3)}.navbar{background-color:var(--color-background);border-bottom:var(--border-width) solid var(--color-border);position:sticky;top:0;z-index:1000;box-shadow:none;font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.navbar-container{max-width:var(--container-max-width);margin:0 auto;padding:1rem var(--content-padding-desktop);display:flex;justify-content:space-between;align-items:center;min-height:56px}.navbar-logo{text-decoration:none;color:inherit;display:flex;align-items:center}.navbar-logo-img{height:40px;width:auto;object-fit:contain}.navbar-menu{display:flex;align-items:center;gap:var(--spacing-lg)}.navbar-menu a{text-decoration:none;color:var(--color-text-primary);font-size:var(--font-size-base);font-weight:var(--font-weight-normal);line-height:var(--line-height-normal);letter-spacing:var(--letter-spacing-normal);transition:opacity var(--transition-base);padding:var(--spacing-xs) 0}.navbar-menu a:not(.btn):hover{opacity:.7}.navbar-anchor{cursor:pointer;scroll-behavior:smooth}.navbar-menu .text-button{color:var(--color-gray900);font-weight:var(--font-weight-medium);padding:var(--spacing-xs) 0}.navbar-menu .text-button:hover{color:var(--color-gray900);opacity:.7}.navbar-menu .btn{margin:0;color:inherit!important;padding:0 28px!important}.navbar-menu .btn-primary{color:#fff!important}@media (max-width: 768px){.navbar-container{flex-direction:row;padding:var(--spacing-sm) var(--content-padding-mobile);min-height:56px;gap:var(--spacing-sm)}.navbar-menu{gap:var(--spacing-xs);flex-wrap:nowrap;align-items:center}.navbar-menu a:not(.btn){font-size:var(--font-size-sm)}.navbar-menu .text-button{font-size:var(--font-size-sm)}.navbar-logo-img{height:32px}.navbar-menu a:not(.btn),.navbar-menu .text-button{display:none}.navbar-menu .btn{display:inline-flex;padding:0 16px;font-size:14px;height:44px;min-height:44px;white-space:nowrap}.navbar-menu .btn-primary{padding:0 20px}}.text-button{display:inline-flex;align-items:center;gap:4px;background:transparent;border:none;color:var(--color-text-primary);text-decoration:none;font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;cursor:pointer;transition:opacity .2s 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768px){.footer-container{padding:0 var(--content-padding-desktop)}}.footer-top{margin-bottom:var(--spacing-3xl);padding-bottom:var(--spacing-2xl);border-bottom:var(--border-width) solid var(--color-border)}.footer-links-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-xl)}@media (min-width: 768px){.footer-links-grid{grid-template-columns:repeat(4,1fr);gap:var(--spacing-2xl)}}.footer-link-column{display:flex;flex-direction:column;gap:var(--spacing-sm)}.footer-column-title{font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);color:var(--color-black);margin-bottom:var(--spacing-xs);letter-spacing:var(--letter-spacing-normal)}.footer-link{color:var(--color-gray700);text-decoration:none;font-size:var(--font-size-sm);line-height:var(--line-height-relaxed);transition:color var(--transition-base);display:inline-block}.footer-link:hover{color:var(--color-black)}.footer-link-item{display:flex;flex-direction:column;gap:var(--spacing-xs);font-size:var(--font-size-sm);color:var(--color-gray700)}.footer-link-label{font-weight:var(--font-weight-medium)}.footer-link-value{color:var(--color-gray600)}.footer-company-info{margin-bottom:var(--spacing-2xl);padding-bottom:var(--spacing-2xl);border-bottom:var(--border-width) solid var(--color-border)}.footer-company-name{font-size:var(--font-size-lg);font-weight:var(--font-weight-bold);color:var(--color-black);margin-bottom:var(--spacing-md)}.footer-company-details{display:flex;flex-direction:column;gap:var(--spacing-xs);margin-bottom:var(--spacing-md);font-size:var(--font-size-sm);line-height:var(--line-height-relaxed)}.footer-company-row{display:flex;flex-direction:column;gap:var(--spacing-xs)}@media (min-width: 768px){.footer-company-row{flex-direction:row;align-items:flex-start}}.footer-company-label{color:var(--color-gray700);font-weight:var(--font-weight-medium);min-width:120px;flex-shrink:0}.footer-company-value{color:var(--color-gray900);word-break:keep-all}.footer-company-link{color:var(--color-gray700);text-decoration:none;font-size:var(--font-size-sm);transition:color var(--transition-base)}.footer-company-link:hover{color:var(--color-black);text-decoration:underline}.footer-bottom{text-align:center;display:flex;flex-direction:column;gap:var(--spacing-sm)}.footer-disclaimer,.footer-copyright{font-size:var(--font-size-xs);color:var(--color-gray600);line-height:var(--line-height-normal);margin:0}@media (max-width: 767px){.footer-links-grid{grid-template-columns:1fr;gap:var(--spacing-lg)}}.video-section{margin-bottom:var(--spacing-2xl)}.video-title{font-size:var(--font-size-2xl);font-weight:var(--font-weight-semibold);margin-bottom:var(--spacing-sm);color:var(--color-black)}.video-description{font-size:var(--font-size-base);color:var(--color-text-secondary);margin-bottom:var(--spacing-md);line-height:var(--line-height-relaxed)}.video-wrapper{position:relative;padding-top:56.25%;background:var(--color-black);border-radius:var(--border-radius-md);overflow:hidden}.video-wrapper>div{position:absolute;top:0;left:0}.video-placeholder{padding:var(--spacing-2xl) var(--spacing-lg);background:var(--color-background-subtle);border-radius:var(--border-radius-md);text-align:center;color:var(--color-text-tertiary)}.video-section.hero-video{background:transparent;padding:0;margin:0;box-shadow:none}.video-section.hero-video .video-title{display:none}.video-section.hero-video 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1199px){.price-card.sticky{right:2rem}}.price-card-content{display:flex;flex-direction:column;gap:var(--spacing-md);width:100%;box-sizing:border-box}.price-info-dark{background:#1a1a1a;border-radius:var(--border-radius-md);padding:var(--spacing-xl);display:flex;flex-direction:column;gap:var(--spacing-md)}.price-discount-row{display:flex;align-items:baseline;gap:var(--spacing-sm)}.discount-percent{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:#4285f4;line-height:1}.price-original-strikethrough{font-size:var(--font-size-lg);color:#999;text-decoration:line-through;font-weight:var(--font-weight-medium)}.price-installment-row{display:flex;align-items:baseline;gap:var(--spacing-sm);flex-wrap:wrap}.price-monthly-large{font-size:var(--font-size-3xl);font-weight:var(--font-weight-bold);color:#fff;line-height:1.2}.installment-period{font-size:var(--font-size-sm);color:#999;font-weight:var(--font-weight-normal)}.price-benefit-row{display:flex;align-items:center;gap:var(--spacing-xs);flex-wrap:wrap;cursor:pointer;transition:opacity .2s ease}.price-benefit-row:hover{opacity:.9}.price-benefit-amount{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:#4285f4;line-height:1.2}.benefit-label{font-size:var(--font-size-sm);color:#4285f4;font-weight:var(--font-weight-medium)}.benefit-arrow{font-size:var(--font-size-xl);color:#4285f4;font-weight:var(--font-weight-bold);line-height:1}.price-button-orange{width:100%;padding:0;background:#4285f4;color:#fff;border:none;border-radius:var(--border-radius-md);font-size:var(--font-size-lg);font-weight:var(--font-weight-bold);cursor:pointer;transition:all .2s ease;height:56px;min-height:56px;display:flex;align-items:center;justify-content:center;font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.25;box-sizing:border-box}.price-button-orange:hover{background:#357ae8;transform:translateY(-1px);box-shadow:0 4px 12px #4285f44d}.price-button-orange:active{background:#2e6bd9;transform:translateY(0)}.price-button-orange:disabled{opacity:.5;cursor:not-allowed}.price-header{border-bottom:1px solid var(--color-border);padding-bottom:var(--spacing-md)}.price-card-title{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--color-black);margin:0}.price-info{display:flex;flex-direction:column;gap:var(--spacing-xl)}.price-comparison-section{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-lg) var(--spacing-md);background:linear-gradient(135deg,#fff5f5,#ffe5e5);border-radius:var(--border-radius-md);border:1px solid #FFE0E0;gap:var(--spacing-md)}.price-original-row{display:flex;flex-direction:column;align-items:flex-start;gap:var(--spacing-xs);flex:1}.price-original-label{font-size:var(--font-size-xs);color:var(--color-gray600);font-weight:var(--font-weight-medium)}.price-original{font-size:var(--font-size-xl);color:var(--color-gray500);text-decoration:line-through;font-weight:var(--font-weight-semibold);line-height:1.2}.price-discount-badge-large{display:flex;flex-direction:column;align-items:flex-end;gap:4px;flex-shrink:0}.discount-label{font-size:var(--font-size-xs);color:#e53e3e;font-weight:var(--font-weight-semibold);text-transform:uppercase;letter-spacing:.5px}.discount-amount-large{font-size:var(--font-size-2xl);color:#e53e3e;font-weight:var(--font-weight-bold);line-height:1.2}.price-main-section{padding:var(--spacing-xl) 0;border-bottom:1px solid var(--color-border)}.price-main-row{display:flex;align-items:flex-start;justify-content:space-between}.price-main-left{display:flex;flex-direction:column;gap:var(--spacing-sm);flex:1}.price-label-small{font-size:var(--font-size-xs);color:var(--color-gray600);font-weight:var(--font-weight-medium);text-transform:uppercase;letter-spacing:.5px}.price-main-amount{display:flex;align-items:baseline;gap:var(--spacing-sm);flex-wrap:wrap}.price-monthly{font-size:var(--font-size-4xl);font-weight:var(--font-weight-bold);color:var(--color-black);letter-spacing:-.02em;line-height:1.1}.price-total-section{padding:var(--spacing-xl) var(--spacing-lg);background:linear-gradient(135deg,#f0f7ff,#e8f2ff);border-radius:var(--border-radius-md);border:1px solid #D0E5FF}.price-total-main{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:var(--spacing-lg);gap:var(--spacing-md)}.price-total-label-main{font-size:var(--font-size-sm);color:var(--color-gray700);font-weight:var(--font-weight-semibold);white-space:nowrap}.price-total-main-amount{font-size:var(--font-size-3xl);font-weight:var(--font-weight-bold);color:#4285f4;letter-spacing:-.02em;line-height:1.1;white-space:nowrap}.price-installment-info{display:flex;align-items:center;justify-content:center;padding-top:var(--spacing-md);border-top:1px solid rgba(66,133,244,.2)}.installment-text-main{font-size:var(--font-size-sm);color:var(--color-gray700);font-weight:var(--font-weight-medium);display:flex;align-items:center;position:relative;padding-left:var(--spacing-md)}.installment-text-main:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:6px;height:6px;border-radius:50%;background-color:#4285f4}.price-details{display:flex;flex-direction:column;gap:var(--spacing-xs);padding:0;background-color:transparent}.price-detail-item{display:flex;align-items:center;justify-content:space-between;font-size:var(--font-size-sm);padding:var(--spacing-sm) var(--spacing-md);background-color:var(--color-background-subtle);border-radius:var(--border-radius-sm);transition:background-color .2s ease}.price-detail-item:hover{background-color:#00000005}.price-detail-item:last-child{margin-bottom:0}.detail-content{display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:var(--spacing-md);flex:1;width:100%}.detail-label{color:var(--color-gray600);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium)}.detail-value{color:var(--color-gray900);font-weight:var(--font-weight-semibold);font-size:var(--font-size-sm);text-align:right}.price-benefits{display:flex;flex-direction:column;gap:var(--spacing-md);padding:var(--spacing-lg);background:linear-gradient(135deg,#f0f7ff,#e8f2ff);border-radius:var(--border-radius-md);border:1px solid #D0E5FF}.benefits-header{padding-bottom:var(--spacing-sm);border-bottom:1px solid rgba(66,133,244,.2)}.benefits-title{font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);color:var(--color-gray900)}.benefits-list{display:flex;flex-direction:column;gap:var(--spacing-md)}.benefit-item{display:flex;align-items:flex-start;gap:var(--spacing-sm);font-size:var(--font-size-sm)}.benefit-icon{color:#4285f4;font-weight:var(--font-weight-bold);font-size:var(--font-size-sm);flex-shrink:0;width:20px;height:20px;display:flex;align-items:center;justify-content:center;background-color:#4285f41a;border-radius:4px;line-height:1}.benefit-text{color:var(--color-gray900);line-height:var(--line-height-relaxed);flex:1}.price-footer{text-align:center;padding-top:var(--spacing-sm);border-top:1px solid var(--color-border)}.price-notice{font-size:var(--font-size-xs);color:var(--color-gray600);margin:0}.price-button{width:100%;padding:0 28px;background:#4285f4;color:#fff;border:none;border-radius:16px;font-size:17px;font-weight:600;cursor:pointer;transition:all .2s ease;letter-spacing:normal;height:56px;min-height:56px;display:flex;align-items:center;justify-content:center;font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.25;position:relative;overflow:hidden;box-sizing:border-box}.price-button:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:#0000;opacity:0;transition:opacity .2s ease}.price-button:active:before{opacity:.1}.price-button:hover{background:#357ae8}.price-button:disabled{opacity:.4;cursor:not-allowed}.price-link{text-align:center;color:var(--color-text-secondary);text-decoration:none;font-size:var(--font-size-sm)}.price-link:hover{color:var(--color-black);text-decoration:underline}@media (max-width: 1024px){.price-card.sticky{position:relative;top:auto;right:auto;width:100%;margin:var(--spacing-lg) 0}}@media (max-width: 768px){.price-card{padding:0;margin:var(--spacing-lg) var(--content-padding-mobile);width:calc(100% - calc(var(--content-padding-mobile) * 2));box-sizing:border-box;max-width:100%}.price-card-content{width:100%;max-width:100%;gap:var(--spacing-sm)}.price-info-dark{padding:var(--spacing-lg);gap:var(--spacing-sm)}.discount-percent{font-size:var(--font-size-lg)}.price-original-strikethrough{font-size:var(--font-size-base)}.price-monthly-large{font-size:var(--font-size-2xl)}.installment-period{font-size:var(--font-size-xs)}.price-benefit-amount{font-size:var(--font-size-lg)}.benefit-label{font-size:var(--font-size-xs)}.benefit-arrow{font-size:var(--font-size-lg)}.price-button-orange{width:100%;height:52px;min-height:52px;font-size:var(--font-size-base);box-sizing:border-box}}.tds-stepper{display:flex;flex-direction:column}.tds-stepper-row{position:relative;padding:var(--spacing-md) 0}.tds-stepper-row-content{display:flex;align-items:flex-start;gap:var(--spacing-md)}.tds-stepper-row-left{flex-shrink:0;display:flex;align-items:center;justify-content:center}.tds-stepper-row-center{flex:1;min-width:0}.tds-stepper-row-right{flex-shrink:0;display:flex;align-items:center;justify-content:center}.tds-stepper-number-icon{width:32px;height:32px;border-radius:50%;background:var(--color-gray900, #1a1a1a);color:var(--color-white, #ffffff);display:flex;align-items:center;justify-content:center;font-size:var(--font-size-sm, 14px);font-weight:var(--font-weight-bold, 700);line-height:1;flex-shrink:0}.tds-stepper-texts{display:flex;flex-direction:column;gap:4px}.tds-stepper-texts-A .tds-stepper-texts-title{font-size:var(--font-size-lg, 18px);font-weight:var(--font-weight-medium, 500);color:var(--color-text-primary, #1a1a1a);line-height:var(--line-height-normal, 1.5)}.tds-stepper-texts-A .tds-stepper-texts-description{font-size:var(--font-size-base, 16px);color:var(--color-text-secondary, #666666);line-height:var(--line-height-relaxed, 1.6)}.tds-stepper-texts-B .tds-stepper-texts-title{font-size:var(--font-size-xl, 20px);font-weight:var(--font-weight-medium, 500);color:var(--color-text-primary, #1a1a1a);line-height:var(--line-height-normal, 1.5)}.tds-stepper-texts-B .tds-stepper-texts-description{font-size:var(--font-size-base, 16px);color:var(--color-text-secondary, #666666);line-height:var(--line-height-relaxed, 1.6)}.tds-stepper-texts-C .tds-stepper-texts-title{font-size:var(--font-size-lg, 18px);font-weight:var(--font-weight-medium, 500);color:var(--color-text-primary, #1a1a1a);line-height:var(--line-height-normal, 1.5)}.tds-stepper-texts-C .tds-stepper-texts-description{font-size:var(--font-size-sm, 14px);color:var(--color-text-secondary, #666666);line-height:var(--line-height-relaxed, 1.6)}.tds-stepper-right-arrow{display:flex;align-items:center;justify-content:center;color:var(--color-gray400, #999999)}.tds-stepper-right-arrow svg{width:24px;height:24px}.tds-stepper-line{height:1px;background:var(--color-border, #e5e5e5);margin-left:48px;margin-top:var(--spacing-md, 16px);margin-bottom:var(--spacing-md, 16px);transition:opacity .3s ease}.tds-stepper-line-hidden{opacity:0}.tds-stepper-line-visible{opacity:1}.tds-stepper-row-hidden{opacity:0;transform:translateY(10px);transition:opacity .4s ease-out,transform .4s ease-out;pointer-events:none}.tds-stepper-row-visible{opacity:1;transform:translateY(0);transition:opacity .4s ease-out,transform .4s ease-out;pointer-events:auto}.tds-stepper-asset-frame{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;overflow:hidden}.tds-stepper-right-button{padding:6px 12px;border-radius:6px;border:none;font-size:var(--font-size-sm, 14px);font-weight:var(--font-weight-medium, 500);cursor:pointer;transition:opacity .2s 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h1{font-size:var(--font-size-2xl);margin-bottom:var(--spacing-xl)}.btn-verify{height:44px;font-size:var(--font-size-sm)}.email-sent-notice{padding:var(--spacing-sm)}.email-sent-title{font-size:var(--font-size-xs)}.email-sent-subtitle{font-size:11px}}.tds-loader{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px}.tds-loader-spinner{display:inline-flex;align-items:center;justify-content:center}.tds-loader-spinner svg{display:block;animation:tds-loader-spin 1s linear infinite}.tds-loader-circle{animation:tds-loader-dash 1.5s ease-in-out infinite}@keyframes tds-loader-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes tds-loader-dash{0%{stroke-dasharray:1,200;stroke-dashoffset:0}50%{stroke-dasharray:90,200;stroke-dashoffset:-35}to{stroke-dasharray:90,200;stroke-dashoffset:-124}}.tds-loader-small .tds-loader-spinner svg{width:20px;height:20px}.tds-loader-medium .tds-loader-spinner svg{width:24px;height:24px}.tds-loader-large 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li{font-size:var(--font-size-base);line-height:var(--line-height-relaxed);color:var(--color-gray900)}.terms-section ul{margin:var(--spacing-xs) 0;padding-left:var(--spacing-lg);display:flex;flex-direction:column;gap:var(--spacing-xs)}@media (max-width: 768px){.terms-title{font-size:var(--font-size-2xl)}.terms-section-title{font-size:var(--font-size-lg)}}.privacy-page{min-height:calc(100vh - 56px);padding:var(--spacing-3xl) 0;background-color:var(--color-background);font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.privacy-container{max-width:800px;margin:0 auto;padding:0 var(--content-padding-mobile)}@media (min-width: 768px){.privacy-container{padding:0 var(--content-padding-desktop)}}.privacy-title{font-size:var(--font-size-3xl);font-weight:var(--font-weight-bold);color:var(--color-black);margin-bottom:var(--spacing-md);text-align:center}.privacy-effective-date{font-size:var(--font-size-sm);color:var(--color-gray600);text-align:center;margin-bottom:var(--spacing-3xl);padding-bottom:var(--spacing-xl);border-bottom:1px solid var(--color-border)}.privacy-content{display:flex;flex-direction:column;gap:var(--spacing-2xl)}.privacy-section{display:flex;flex-direction:column;gap:var(--spacing-md)}.privacy-section-title{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--color-black);margin-bottom:var(--spacing-xs)}.privacy-section p{font-size:var(--font-size-base);line-height:var(--line-height-relaxed);color:var(--color-gray900);margin:0}.privacy-section ol{margin:0;padding-left:var(--spacing-lg);display:flex;flex-direction:column;gap:var(--spacing-sm)}.privacy-section 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p{font-size:var(--font-size-base);line-height:var(--line-height-relaxed);color:var(--color-gray900);margin:0}.refund-section ol{margin:0;padding-left:var(--spacing-lg);display:flex;flex-direction:column;gap:var(--spacing-sm)}.refund-section li{font-size:var(--font-size-base);line-height:var(--line-height-relaxed);color:var(--color-gray900)}.refund-section ul{margin:var(--spacing-xs) 0;padding-left:var(--spacing-lg);display:flex;flex-direction:column;gap:var(--spacing-xs)}.refund-section strong{font-weight:var(--font-weight-semibold);color:var(--color-black)}.refund-contact-info{background-color:var(--color-background-subtle);padding:var(--spacing-lg);border-radius:var(--border-radius-md);margin:var(--spacing-md) 0}.refund-contact-info p{margin-bottom:var(--spacing-sm)}.refund-contact-info ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:var(--spacing-xs)}.refund-contact-info li{font-size:var(--font-size-base);color:var(--color-gray900)}@media (max-width: 768px){.refund-title{font-size:var(--font-size-2xl)}.refund-section-title{font-size:var(--font-size-lg)}}.help-center-page{padding:2rem 0;min-height:calc(100vh - 200px)}.help-center-page .container{max-width:800px;margin:0 auto;padding:0 var(--spacing-lg)}.help-center-page h1{font-size:var(--font-size-3xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin-bottom:var(--spacing-2xl);text-align:center}.help-section{margin-bottom:var(--spacing-3xl)}.help-section h2{font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin-bottom:var(--spacing-xl);padding-bottom:var(--spacing-md);border-bottom:2px solid var(--color-border)}.faq-item{margin-bottom:var(--spacing-xl);padding:var(--spacing-lg);background:var(--color-background-subtle);border-radius:var(--border-radius-md)}.faq-item 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strong{font-weight:var(--font-weight-semibold);color:var(--color-text-primary)}.browser-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--spacing-md);margin-top:var(--spacing-lg)}.browser-item{padding:var(--spacing-lg);background:var(--color-background-subtle);border-radius:var(--border-radius-md);display:flex;flex-direction:column;gap:var(--spacing-xs)}.browser-item strong{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-text-primary)}.browser-item span{font-size:var(--font-size-sm);color:var(--color-text-secondary)}.support-section ul{list-style:none;padding:0;margin:var(--spacing-lg) 0}.support-section li{font-size:var(--font-size-base);color:var(--color-text-secondary);line-height:var(--line-height-relaxed);margin-bottom:var(--spacing-sm);padding-left:var(--spacing-md);position:relative}.support-section li:before{content:"•";position:absolute;left:0;color:var(--color-primary);font-weight:var(--font-weight-bold)}.support-section strong{font-weight:var(--font-weight-semibold);color:var(--color-text-primary)}.contact-info{margin-top:var(--spacing-lg);padding:var(--spacing-lg);background:var(--color-background-subtle);border-radius:var(--border-radius-md);font-size:var(--font-size-base);color:var(--color-text-primary)}.contact-info strong{font-weight:var(--font-weight-semibold);margin-right:var(--spacing-sm)}.contact-info a{color:var(--color-primary);text-decoration:none;font-weight:var(--font-weight-medium)}.contact-info a:hover{text-decoration:underline}@media (max-width: 768px){.device-support-page{padding:1rem 0}.device-support-page h1{font-size:var(--font-size-2xl);margin-bottom:var(--spacing-xl)}.support-section h2{font-size:var(--font-size-xl)}.browser-list{grid-template-columns:1fr}}.email-confirm-page{min-height:calc(100vh - 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768px){.email-confirm-container{padding:var(--spacing-xl);margin:var(--spacing-md)}.email-confirm-icon{width:80px;height:80px;font-size:var(--font-size-3xl)}.email-confirm-title{font-size:var(--font-size-2xl)}.email-confirm-message{font-size:var(--font-size-base)}.email-confirm-submessage{font-size:var(--font-size-sm)}}.admin-dashboard{padding:2rem 0}.admin-dashboard h1{margin-bottom:2rem;color:#333}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-bottom:3rem}.stat-card{background:#fff;border-radius:8px;padding:1.5rem;box-shadow:0 2px 8px #0000001a}.stat-card h3{font-size:.9rem;color:#666;margin-bottom:.5rem}.stat-value{font-size:2rem;font-weight:700;color:#007bff;margin:0}.stat-link{display:inline-block;margin-top:.5rem;color:#007bff;text-decoration:none;font-size:.875rem}.stat-link:hover{text-decoration:underline}.admin-menu{background:#fff;border-radius:8px;padding:2rem;box-shadow:0 2px 8px #0000001a}.admin-menu h2{margin-bottom:1.5rem;color:#333}.menu-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem}.menu-item{display:block;padding:1.5rem;background:#f8f9fa;border-radius:8px;text-decoration:none;color:#333;text-align:center;font-weight:500;transition:all .3s ease}.menu-item:hover{background:#007bff;color:#fff;transform:translateY(-2px);box-shadow:0 4px 8px #007bff4d}@media (max-width: 768px){.stats-grid,.menu-grid{grid-template-columns:1fr}}.admin-intro-manage{padding:2rem 0}.admin-intro-manage h1{margin-bottom:2rem;color:#333}.section-form{background:#fff;border-radius:8px;padding:2rem;box-shadow:0 2px 8px #0000001a;margin-bottom:2rem}.section-form h2{margin-bottom:1.5rem;color:#333}.form-actions{display:flex;gap:1rem;margin-top:1rem}.btn-sm{padding:.5rem 1rem;font-size:.875rem}.sections-list{background:#fff;border-radius:8px;padding:2rem;box-shadow:0 2px 8px #0000001a}.sections-list h2{margin-bottom:1.5rem;color:#333}.section-item{padding:1.5rem;border:1px solid #dee2e6;border-radius:8px;margin-bottom:1rem}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.section-header h3{color:#007bff;margin:0}.section-actions{display:flex;gap:.5rem}.section-item h4{margin-bottom:.5rem;color:#333}.section-content{color:#666;line-height:1.6;margin-bottom:.5rem}.section-order{font-size:.875rem;color:#999}.modal-form{display:flex;flex-direction:column;gap:1rem}.modal-form .form-group{display:flex;flex-direction:column;gap:.5rem}.modal-form .form-label{font-weight:500;color:#333;font-size:.875rem}.modal-form .form-input,.modal-form .form-textarea{width:100%;padding:.75rem;border:1px solid #dee2e6;border-radius:4px;font-size:.875rem;font-family:inherit}.modal-form .form-input:disabled{background-color:#f8f9fa;cursor:not-allowed}.modal-form .form-textarea{resize:vertical;min-height:120px}@media (max-width: 768px){.section-header{flex-direction:column;align-items:flex-start;gap:1rem}}.admin-course-manage{padding:2rem 0}.admin-course-manage h1{margin-bottom:2rem;color:#333}.course-form-section{margin-bottom:2rem}.form-card{background:#fff;border-radius:8px;padding:2rem;box-shadow:0 2px 8px #0000001a;margin-top:1rem}.form-card h2{margin-bottom:1.5rem;color:#333}.courses-list{display:flex;flex-direction:column;gap:2rem}.course-card{background:#fff;border-radius:8px;padding:2rem;box-shadow:0 2px 8px #0000001a}.course-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1rem}.course-header h2{margin:0;color:#333}.course-actions{display:flex;gap:.5rem}.course-price{font-size:1.2rem;font-weight:700;color:#007bff;margin:1rem 0}.installment{font-size:.9rem;color:#666;font-weight:400;margin-left:.5rem}.lessons-section{margin-top:2rem;padding-top:2rem;border-top:1px solid #dee2e6}.lessons-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.lessons-header h3{margin:0;color:#333}.lesson-form{background:#f8f9fa;padding:1.5rem;border-radius:8px;margin-bottom:1rem}.lessons-list{display:flex;flex-direction:column;gap:1rem}.lesson-item{display:flex;justify-content:space-between;align-items:flex-start;padding:1rem;background:#f8f9fa;border-radius:8px}.lesson-info{flex:1}.lesson-info strong{display:block;margin-bottom:.5rem;color:#333}.lesson-info p{color:#666;margin:0;font-size:.9rem}.lesson-actions{display:flex;gap:.5rem;align-items:center}.lesson-order-controls{display:flex;flex-direction:column;gap:.25rem}.lesson-order-controls button{min-width:32px;padding:.25rem .5rem;font-size:.875rem}.lesson-order-controls button:disabled{opacity:.5;cursor:not-allowed}@media (max-width: 768px){.course-header,.lesson-item{flex-direction:column;gap:1rem}}.admin-payment-manage{padding:2rem 0}.admin-payment-manage h1{margin-bottom:2rem;color:#333}.payments-list{background:#fff;border-radius:8px;padding:2rem;box-shadow:0 2px 8px #0000001a;overflow-x:auto}.payments-table{width:100%;border-collapse:collapse}.payments-table th{text-align:left;padding:1rem;border-bottom:2px solid #dee2e6;color:#333;font-weight:600}.payments-table td{padding:1rem;border-bottom:1px solid #dee2e6;color:#666}.payments-table tr:hover{background:#f8f9fa}.status-badge{padding:.25rem .75rem;border-radius:12px;font-size:.875rem;font-weight:500}.payment-key{font-family:monospace;font-size:.875rem;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media (max-width: 768px){.payments-table{font-size:.875rem}.payments-table th,.payments-table td{padding:.5rem}}.admin-student-manage{padding:2rem 0}.admin-student-manage h1,.add-admin-section{margin-bottom:2rem}.admin-form{margin-top:1rem;padding:1.5rem;background:#fff;border-radius:8px;box-shadow:0 2px 8px #0000001a}.students-list{background:#fff;border-radius:8px;box-shadow:0 2px 8px #0000001a;padding:1.5rem}.students-list h2{margin-bottom:1rem}.students-table{width:100%;border-collapse:collapse}.students-table th,.students-table td{padding:.75rem;text-align:left;border-bottom:1px solid var(--color-border, #dee2e6)}.students-table th{background:var(--color-background-subtle, #f8f9fa);font-weight:600}.students-table tr:hover{background:var(--color-background-subtle, #f8f9fa)}.student-detail{max-height:70vh;overflow-y:auto}.detail-section{margin-bottom:2rem}.detail-section h3{margin-bottom:1rem;color:var(--color-gray900, #191F28);font-size:1.2rem}.detail-section h4{margin-bottom:.5rem;color:var(--color-gray700, #4E5968)}.detail-section p{margin-bottom:.5rem}.detail-table{width:100%;border-collapse:collapse;margin-top:.5rem}.detail-table th,.detail-table td{padding:.5rem;text-align:left;border-bottom:1px solid var(--color-border, #dee2e6)}.detail-table th{background:var(--color-background-subtle, #f8f9fa);font-weight:600}.status-badge{display:inline-block;padding:.25rem .5rem;border-radius:4px;font-size:.875rem;font-weight:500}.status-completed{background:#d4edda;color:#155724}.status-pending{background:#fff3cd;color:#856404}.status-failed{background:#f8d7da;color:#721c24}.status-cancelled{background:#e2e3e5;color:#383d41}.progress-list{display:flex;flex-direction:column;gap:1.5rem}.progress-item{padding:1rem;background:var(--color-background-subtle, #f8f9fa);border-radius:8px;border:1px solid var(--color-border, #dee2e6)}.progress-bar{width:100%;height:8px;background:var(--color-border, #dee2e6);border-radius:4px;overflow:hidden;margin:.5rem 0}.progress-fill{height:100%;background:#4285f4;transition:width .3s ease}.lessons-detail{margin-top:1rem}.lessons-detail ul{list-style:none;padding:0;margin:.5rem 0 0}.lessons-detail li{padding:.25rem 0;color:var(--color-gray700, #4E5968)}.lessons-detail li.completed{color:var(--color-gray900, #191F28);font-weight:500}@media (max-width: 768px){.students-table{font-size:.875rem}.students-table th,.students-table td{padding:.5rem}}.admin-chat{padding:2rem 0}.admin-chat h1{margin-bottom:2rem;color:#333}.chat-layout{display:grid;grid-template-columns:300px 1fr;gap:2rem;height:600px}.conversations-list{background:#fff;border-radius:8px;padding:1.5rem;box-shadow:0 2px 8px #0000001a;overflow-y:auto}.conversations-list h2{margin-bottom:1rem;color:#333;font-size:1.2rem}.conversation-item{padding:1rem;border-radius:8px;margin-bottom:.5rem;cursor:pointer;transition:all .3s ease;border:1px solid transparent}.conversation-item:hover{background:#f8f9fa}.conversation-item.active{background:#e7f3ff;border-color:#007bff}.conversation-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.unread-badge{background:#007bff;color:#fff;border-radius:12px;padding:.25rem .5rem;font-size:.75rem}.conversation-preview{color:#666;font-size:.875rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-container{background:#fff;border-radius:8px;box-shadow:0 2px 8px #0000001a;display:flex;flex-direction:column}.chat-header{padding:1rem 1.5rem;border-bottom:1px solid #dee2e6}.chat-header h3{margin:0;color:#333}.messages-list{flex:1;overflow-y:auto;padding:1.5rem;display:flex;flex-direction:column;gap:1rem}.no-selection{display:flex;align-items:center;justify-content:center;height:100%;color:#999}.message{display:flex;flex-direction:column;max-width:70%}.message.sent{align-self:flex-end;align-items:flex-end}.message.received{align-self:flex-start;align-items:flex-start}.message-content{padding:.75rem 1rem;border-radius:12px;word-wrap:break-word}.message.sent .message-content{background:#007bff;color:#fff}.message.received .message-content{background:#f1f3f5;color:#333}.message-time{font-size:.75rem;color:#999;margin-top:.25rem}.message-form{display:flex;gap:.5rem;padding:1rem;border-top:1px solid #dee2e6}.message-form .form-input{flex:1;margin:0}@media (max-width: 1024px){.chat-layout{grid-template-columns:1fr;height:auto}.conversations-list{max-height:300px}.chat-container{height:500px}}.admin-questions{padding:2rem 0}.admin-questions h1{margin-bottom:2rem;color:#333}.questions-layout{display:grid;grid-template-columns:400px 1fr;gap:2rem}.questions-list{background:#fff;border-radius:8px;padding:1.5rem;box-shadow:0 2px 8px #0000001a;max-height:700px;overflow-y:auto}.questions-list h2{margin-bottom:1rem;color:#333;font-size:1.2rem}.question-item{padding:1rem;border-radius:8px;margin-bottom:.5rem;cursor:pointer;transition:all .3s ease;border:1px solid #dee2e6}.question-item:hover{background:#f8f9fa}.question-item.active{background:#e7f3ff;border-color:#007bff}.question-item.unanswered{border-left:4px solid #ffc107}.question-item.answered{border-left:4px solid #28a745}.question-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.unanswered-badge{background:#ffc107;color:#333;padding:.25rem .5rem;border-radius:12px;font-size:.75rem;font-weight:500}.question-course{font-size:.875rem;color:#666;margin-bottom:.5rem}.question-content{color:#333;margin-bottom:.5rem;line-height:1.5}.question-date{font-size:.75rem;color:#999}.answer-section{background:#fff;border-radius:8px;padding:2rem;box-shadow:0 2px 8px #0000001a}.answer-section h2{margin-bottom:1.5rem;color:#333}.question-detail{display:flex;flex-direction:column;gap:1rem}.question-info{display:flex;justify-content:space-between;align-items:center}.question-course-info{color:#666;font-size:.9rem;padding:.5rem;background:#f8f9fa;border-radius:4px}.question-full-content{padding:1rem;background:#f8f9fa;border-radius:8px;line-height:1.6;color:#333}.existing-answers{margin-top:1rem;padding-top:1rem;border-top:1px solid #dee2e6}.existing-answers h3{margin-bottom:1rem;color:#333}.answer-item{padding:1rem;background:#e7f3ff;border-radius:8px;margin-bottom:.5rem}.answer-content{color:#333;margin-bottom:.5rem;line-height:1.6}.answer-date{font-size:.75rem;color:#666}.answer-form{margin-top:1rem}.no-selection{display:flex;align-items:center;justify-content:center;height:400px;color:#999}@media (max-width: 1024px){.questions-layout{grid-template-columns:1fr}.questions-list{max-height:300px}}.admin-reviews{padding:2rem 0}.admin-reviews h1{margin-bottom:2rem;color:#333}.filter-section{display:flex;gap:.5rem;margin-bottom:2rem;flex-wrap:wrap}.filter-btn{padding:.5rem 1rem;border:1px solid #dee2e6;background:#fff;border-radius:4px;cursor:pointer;transition:all .3s ease}.filter-btn:hover{background:#f8f9fa}.filter-btn.active{background:#007bff;color:#fff;border-color:#007bff}.reviews-list{display:flex;flex-direction:column;gap:1.5rem}.review-card{background:#fff;border-radius:8px;padding:1.5rem;box-shadow:0 2px 8px #0000001a}.review-card.pending{border-left:4px solid #ffc107}.review-card.approved{border-left:4px solid #28a745}.review-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1rem;flex-wrap:wrap}.review-author{display:flex;flex-direction:column;gap:.25rem}.review-author strong{color:#333}.review-date{font-size:.875rem;color:#999}.review-rating{color:#ffc107;font-size:1.2rem}.review-course{color:#666;font-size:.9rem;margin-bottom:1rem}.review-content{color:#333;line-height:1.6;margin-bottom:1rem}.review-actions{display:flex;gap:.5rem;margin-top:1rem}.review-status{margin-top:1rem;padding:.5rem 1rem;border-radius:4px;text-align:center;font-weight:500}.approved-badge{background:#d4edda;color:#155724}@media (max-width: 768px){.review-header{flex-direction:column;gap:.5rem}}.error-page{display:flex;justify-content:center;align-items:center;min-height:calc(100vh - 200px);padding:2rem 1rem;background:var(--color-background)}.error-container{max-width:500px;width:100%;text-align:center;padding:var(--spacing-3xl);background:var(--color-background);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-lg)}.error-icon-wrapper{margin-bottom:var(--spacing-xl);display:flex;justify-content:center;align-items:center}.error-icon-wrapper svg{color:var(--color-error, #F04452);opacity:.8}.error-title{font-size:var(--font-size-3xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin-bottom:var(--spacing-md);line-height:var(--line-height-tight)}.error-message{font-size:var(--font-size-lg);color:var(--color-text-secondary);line-height:var(--line-height-relaxed);margin-bottom:var(--spacing-xl)}.error-actions{display:flex;flex-direction:column;gap:var(--spacing-md);margin-top:var(--spacing-xl)}.error-actions .btn{width:100%}@media (max-width: 768px){.error-page{padding:1rem}.error-container{padding:var(--spacing-xl)}.error-title{font-size:var(--font-size-2xl)}.error-message{font-size:var(--font-size-base)}}.tds-toast-container{position:fixed;top:16px;left:50%;transform:translate(-50%);z-index:10001;display:flex;flex-direction:column;gap:8px;pointer-events:none;width:calc(100% - 32px);max-width:400px}.tds-toast{background:var(--color-gray900, #191F28);color:var(--color-white, #FFFFFF);padding:14px 16px;border-radius:8px;font-size:14px;line-height:1.5;box-shadow:0 4px 12px #00000026;animation:tds-toast-slide-down .3s ease;pointer-events:auto;cursor:pointer}@keyframes tds-toast-slide-down{0%{transform:translateY(-20px);opacity:0}to{transform:translateY(0);opacity:1}}.tds-toast-default{background:var(--color-gray900, #191F28)}.tds-toast-success{background:var(--color-success, #00D084)}.tds-toast-error{background:var(--color-error, #F04452)}.tds-toast-warning{background:var(--color-warning, #F79009)}.tds-toast-content{color:var(--color-white, #FFFFFF)}.App{min-height:100vh;display:flex;flex-direction:column;font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background-color:var(--color-background)}.main-content-wrapper{flex:1;display:flex;flex-direction:column}main{flex:1;padding:var(--spacing-lg) 0}.loading{display:flex;justify-content:center;align-items:center;min-height:400px}.spinner{border:4px solid #f3f3f3;border-top:4px solid #3498db;border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.error{color:#e74c3c;background-color:#fee;padding:1rem;border-radius:8px;margin:1rem 0}.success{color:#27ae60;background-color:#efe;padding:1rem;border-radius:8px;margin:1rem 0}.btn{padding:0 28px;border:none;border-radius:16px;font-size:17px;font-weight:600;cursor:pointer;transition:all .2s ease;height:56px;min-height:56px;display:inline-flex;align-items:center;justify-content:center;letter-spacing:normal;font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.25;position:relative;overflow:hidden;box-sizing:border-box}.btn:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:#0000;opacity:0;transition:opacity .2s ease}.btn:active:before{opacity:.1}.btn-primary{background-color:#4285f4;color:#fff}.btn-primary:hover{background-color:#357ae8}.btn-primary:disabled{opacity:.4;cursor:not-allowed}.btn-secondary{background-color:#6c757d;color:#fff}.btn-secondary:hover{background-color:#545b62}.btn-outline{background-color:transparent;border:1px solid var(--color-border, #E5E8EB);color:var(--color-text-primary, #191F28)}.btn-outline:hover{background-color:var(--color-background-subtle, #F8F9FA);border-color:var(--color-border-strong, #D1D6DB)}.btn-outline:active{background-color:var(--color-background-hover, #F0F1F3)}.btn-danger{background-color:#dc3545;color:#fff}.btn-danger:hover{background-color:#c82333}.card{background:#fff;border-radius:8px;box-shadow:0 2px 4px #0000001a;padding:1.5rem;margin-bottom:1.5rem}.form-group{margin-bottom:1.5rem}.form-label{display:block;margin-bottom:.5rem;font-weight:500}.form-input{width:100%;padding:.75rem;border:1px solid #ddd;border-radius:4px;font-size:1rem}.form-input:focus{outline:none;border-color:#007bff;box-shadow:0 0 0 3px #007bff1a}.form-textarea{width:100%;padding:.75rem;border:1px solid #ddd;border-radius:4px;font-size:1rem;min-height:120px;resize:vertical}.form-textarea:focus{outline:none;border-color:#007bff;box-shadow:0 0 0 3px #007bff1a}@media (max-width: 768px){main{padding:0}.card{padding:1rem}.btn{padding:0 20px;font-size:15px;height:48px;min-height:48px}.btn-primary{padding:0 24px;font-size:15px}}:root{--color-black: #000000;--color-gray900: #1a1a1a;--color-gray800: #333333;--color-gray700: #4d4d4d;--color-gray600: #666666;--color-gray500: #808080;--color-gray400: #999999;--color-gray300: #b3b3b3;--color-gray200: #cccccc;--color-gray100: #e6e6e6;--color-gray50: #f5f5f5;--color-white: #ffffff;--color-text-primary: var(--color-gray900);--color-text-secondary: var(--color-gray600);--color-text-tertiary: var(--color-gray400);--color-border: var(--color-gray100);--color-background: var(--color-white);--color-background-subtle: var(--color-gray50);--color-background-warning: #fff9e6;--color-border-warning: #ffe066;--color-warning-text: #92400e;--color-warning-title: #d97706;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--spacing-2xl: 4rem;--spacing-3xl: 5rem;--spacing-4xl: 6rem;--font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 2rem;--font-size-4xl: 2.5rem;--font-size-5xl: 3.5rem;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--font-weight-extrabold: 800;--line-height-tight: 1.2;--line-height-normal: 1.5;--line-height-relaxed: 1.6;--line-height-loose: 1.8;--line-height-extra-loose: 1.9;--letter-spacing-tight: -.02em;--letter-spacing-normal: -.01em;--container-max-width: 1200px;--content-max-width: 900px;--content-padding-desktop: 2rem;--content-padding-mobile: 1rem;--border-radius-sm: 4px;--border-radius-md: 8px;--border-radius-lg: 12px;--border-width: 1px;--border-width-thick: 2px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 2px 8px rgba(0, 0, 0, .1);--shadow-lg: 0 4px 20px rgba(0, 0, 0, .1);--shadow-xl: 0 8px 30px rgba(0, 0, 0, .15);--transition-fast: .15s ease;--transition-base: .3s ease;--transition-slow: .5s ease}body{font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:var(--font-size-base);font-weight:var(--font-weight-normal);line-height:var(--line-height-relaxed);letter-spacing:var(--letter-spacing-normal);color:var(--color-text-primary);background-color:var(--color-background);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*,*:before,*:after{font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe 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solid var(--color-border)}.container{width:100%;max-width:var(--container-max-width);margin:0 auto;padding:0 var(--content-padding-mobile)}@media (min-width: 768px){.container{padding:0 var(--content-padding-desktop)}}.content-container{max-width:var(--content-max-width);margin:0 auto;padding:0 var(--content-padding-mobile)}@media (min-width: 768px){.content-container{padding:0 var(--content-padding-desktop)}}*{margin:0;padding:0;box-sizing:border-box}:root{font-synthesis:none;text-rendering:optimizeLegibility}html{scroll-behavior:smooth}body{margin:0;min-width:320px;min-height:100vh;font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{width:100%;min-height:100vh}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}button{border-radius:16px;border:none;padding:0;font-size:17px;font-weight:600;font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background-color:transparent;color:inherit;cursor:pointer;transition:all .2s ease;height:56px;min-height:56px;display:inline-flex;align-items:center;justify-content:center}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9;color:#213547}}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1rem}@media (min-width: 768px){.container{padding:0 2rem}}