:root{color-scheme:light dark;--primary: #2563EB;--primary-hover: #1D4ED8;--primary-light: #EFF6FF;--primary-glow: rgba(37, 99, 235, .2);--accent: #0284C7;--bg-page: #F8FAFC;--bg-card: #FFFFFF;--bg-subtle: #F1F5F9;--bg-hover: #E2E8F0;--text-main: #0F172A;--text-muted: #64748B;--text-dim: #94A3B8;--border-color: #E2E8F0;--border-subtle: #F1F5F9;--badge-bg: #EFF6FF;--badge-text: #1D4ED8;--badge-border: #DBEAFE;--alert-info-bg: #EFF6FF;--alert-info-border: #BFDBFE;--alert-info-text: #1E40AF;--alert-warn-bg: #FFFBEB;--alert-warn-border: #FDE68A;--alert-warn-text: #92400E;--alert-success-bg: #F0FDF4;--alert-success-border: #BBF7D0;--alert-success-text: #166534;--card-shadow: 0 4px 20px -2px rgba(15, 23, 42, .05), 0 2px 6px -1px rgba(15, 23, 42, .03);--card-shadow-hover: 0 10px 25px -3px rgba(37, 99, 235, .08), 0 4px 10px -2px rgba(15, 23, 42, .04);--header-bg: rgba(255, 255, 255, .85)}@media (prefers-color-scheme: dark){:root{--primary: #3B82F6;--primary-hover: #60A5FA;--primary-light: rgba(59, 130, 246, .15);--primary-glow: rgba(59, 130, 246, .35);--accent: #38BDF8;--bg-page: #0B0F19;--bg-card: #151D2F;--bg-subtle: #1E293B;--bg-hover: #27354F;--text-main: #F1F5F9;--text-muted: #94A3B8;--text-dim: #64748B;--border-color: #27354F;--border-subtle: #1E293B;--badge-bg: #1E293B;--badge-text: #60A5FA;--badge-border: #2B3D5E;--alert-info-bg: rgba(30, 58, 138, .22);--alert-info-border: #1E3A8A;--alert-info-text: #93C5FD;--alert-warn-bg: rgba(120, 53, 15, .28);--alert-warn-border: #78350F;--alert-warn-text: #FCD34D;--alert-success-bg: rgba(6, 78, 59, .25);--alert-success-border: #065F46;--alert-success-text: #34D399;--card-shadow: 0 4px 20px -2px rgba(0, 0, 0, .35);--card-shadow-hover: 0 10px 25px -3px rgba(0, 0, 0, .5);--header-bg: rgba(11, 15, 25, .85)}}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:84px}body{font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg-page);color:var(--text-main);line-height:1.75;word-break:keep-all;overflow-wrap:break-word;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--primary);text-decoration:none;transition:color .2s ease,text-decoration-color .2s ease}a:hover{color:var(--primary-hover);text-decoration:underline;text-underline-offset:3px}a:focus-visible,summary:focus-visible,button:focus-visible{outline:2px solid var(--primary);outline-offset:3px}.skip{position:absolute;top:-100px;left:16px;background:var(--bg-card);color:var(--primary);border:1px solid var(--border-color);padding:10px 16px;border-radius:8px;font-weight:600;font-size:.9rem;z-index:1000;box-shadow:var(--card-shadow);transition:top .2s ease}.skip:focus{top:16px}.site-header{position:sticky;top:0;z-index:100;background:var(--header-bg);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border-color);transition:background-color .2s ease,border-color .2s ease}.header-container{max-width:1160px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand-link{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--text-main);font-family:Outfit,sans-serif;font-size:1.4rem;font-weight:700;letter-spacing:-.02em}.brand-link:hover{text-decoration:none}.brand-logo{width:28px;height:28px;display:block;flex-shrink:0}.brand-badge{font-family:Outfit,sans-serif;font-size:.7rem;font-weight:700;letter-spacing:.06em;background:var(--badge-bg);color:var(--badge-text);border:1px solid var(--badge-border);padding:2px 7px;border-radius:6px}.header-links{display:flex;align-items:center;gap:16px;font-size:.92rem;font-weight:500}.nav-link{color:var(--text-muted);padding:6px 12px;border-radius:8px;transition:all .2s ease}.nav-link:hover{color:var(--primary);background:var(--bg-subtle);text-decoration:none}.nav-link[aria-current=page]{color:var(--primary);background:var(--badge-bg);font-weight:600}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--primary);color:#fff!important;font-weight:600;font-size:.88rem;border-radius:10px;padding:8px 16px;text-decoration:none;box-shadow:0 2px 8px var(--primary-glow);transition:all .2s cubic-bezier(.16,1,.3,1);white-space:nowrap}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 4px 14px var(--primary-glow);text-decoration:none}.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--bg-subtle);color:var(--text-main);border:1px solid var(--border-color);font-weight:600;font-size:.88rem;border-radius:10px;padding:8px 16px;text-decoration:none;transition:all .2s ease;white-space:nowrap}.btn-secondary:hover{background:var(--bg-hover);color:var(--primary);text-decoration:none}.hero-wrapper{position:relative;overflow:hidden;padding:56px 24px 44px;background:radial-gradient(circle at 50% -10%,var(--primary-light) 0%,transparent 60%);border-bottom:1px solid var(--border-color);margin-bottom:40px}.hero{max-width:1140px;margin:0 auto}.eyebrow-badge{display:inline-flex;align-items:center;gap:6px;font-family:Outfit,sans-serif;font-size:.75rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;background:var(--badge-bg);color:var(--badge-text);border:1px solid var(--badge-border);padding:4px 12px;border-radius:9999px;margin-bottom:16px}h1{font-family:Outfit,Pretendard,sans-serif;max-width:820px;font-size:clamp(2rem,4vw,2.75rem);line-height:1.3;font-weight:800;letter-spacing:-.03em;color:var(--text-main);margin:0 0 16px}.intro{color:var(--text-muted);max-width:720px;font-size:1.08rem;line-height:1.7;margin:0}.layout{max-width:1140px;margin:0 auto 60px;padding:0 24px;display:grid;grid-template-columns:240px minmax(0,1fr);gap:36px;align-items:start}.toc-card{position:sticky;top:84px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:20px;box-shadow:var(--card-shadow)}.toc-header{display:flex;align-items:center;gap:8px;font-size:.82rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;padding-bottom:12px;margin-bottom:12px;border-bottom:1px solid var(--border-color)}.toc-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:2px}.toc-list li a{display:block;padding:6px 10px;font-size:.88rem;color:var(--text-muted);border-radius:8px;text-decoration:none;line-height:1.45;transition:all .15s ease}.toc-list li a:hover{color:var(--primary);background:var(--bg-subtle)}article{min-width:0;background:var(--bg-card);border:1px solid var(--border-color);border-radius:20px;padding:36px 44px;box-shadow:var(--card-shadow)}article section{padding:34px 0;border-bottom:1px solid var(--border-color);scroll-margin-top:84px}article section:first-of-type{padding-top:0}article section:last-of-type{border-bottom:none}h2{font-family:Outfit,Pretendard,sans-serif;font-size:1.42rem;font-weight:750;letter-spacing:-.02em;color:var(--text-main);margin:0 0 16px;display:flex;align-items:center;gap:10px}h3{font-size:1.08rem;font-weight:700;color:var(--text-main);margin:24px 0 10px;letter-spacing:-.01em}p{margin:0 0 14px;font-size:.96rem;color:var(--text-main);line-height:1.75}p:last-child{margin-bottom:0}.concept-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:20px 0 8px}.concept-card{background:var(--bg-subtle);border:1px solid var(--border-color);border-radius:14px;padding:20px;transition:transform .2s ease,box-shadow .2s ease}.concept-card:hover{transform:translateY(-2px);box-shadow:var(--card-shadow-hover)}.concept-title{font-size:1.05rem;font-weight:700;color:var(--primary);margin-bottom:8px}.concept-desc{font-size:.88rem;color:var(--text-muted);line-height:1.6;margin:0}article ol{list-style:none;counter-reset:sub-step;padding-left:0;margin:16px 0;display:flex;flex-direction:column;gap:10px}article ol>li{counter-increment:sub-step;position:relative;padding-left:26px;font-size:.96rem;line-height:1.75;color:var(--text-main)}article ol>li:before{content:counter(sub-step) ")";position:absolute;left:0;top:0;font-family:Outfit,sans-serif;font-weight:700;color:var(--primary);font-size:.96rem}article ul{padding-left:22px;margin:14px 0;display:flex;flex-direction:column;gap:8px}article ul>li{font-size:.96rem;line-height:1.75;color:var(--text-main)}.note{background:var(--alert-info-bg);border:1px solid var(--alert-info-border);border-radius:12px;padding:16px 20px;margin:20px 0;color:var(--alert-info-text);font-size:.92rem;line-height:1.65}.note strong{color:var(--alert-info-text)}.note p{color:inherit;margin:0}.note p+p{margin-top:8px}.note.warning{background:var(--alert-warn-bg);border:1px solid var(--alert-warn-border);color:var(--alert-warn-text)}.note.warning strong{color:var(--alert-warn-text)}.example{margin:22px 0;padding:20px;background:var(--bg-subtle);border:1px solid var(--border-color);border-radius:14px}.example figcaption{font-size:.84rem;font-weight:600;color:var(--text-muted);margin-bottom:14px;display:flex;align-items:center;gap:6px}.schedule{display:flex;flex-direction:column;gap:10px}.schedule-row{display:grid;grid-template-columns:68px 1fr;gap:12px;align-items:center;font-size:.9rem}.schedule-row time{font-family:Outfit,sans-serif;font-weight:600;color:var(--text-muted);font-size:.88rem}.schedule-item{background:var(--bg-card);border:1px solid var(--border-color);border-radius:10px;padding:10px 14px;box-shadow:0 1px 3px #0000000a;display:flex;flex-direction:column;gap:2px}.schedule-item-title{font-weight:650;color:var(--text-main);font-size:.92rem}.schedule-item small{color:var(--text-muted);font-size:.8rem}.route-badge-group{display:inline-flex;align-items:center;gap:8px;margin:8px 0 16px}.route-pill{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:8px;font-size:.8rem;font-weight:700;font-family:Outfit,sans-serif}.route-pill.route-a{background:#eff6ff;color:#1d4ed8;border:1px solid #BFDBFE}.route-pill.route-b{background:#f5f3ff;color:#6d28d9;border:1px solid #DDD6FE}.route-pill.route-c{background:#ecfdf5;color:#047857;border:1px solid #A7F3D0}@media (prefers-color-scheme: dark){.route-pill.route-a{background:#1e3a8a4d;color:#93c5fd;border-color:#1e3a8a}.route-pill.route-b{background:#581c874d;color:#c4b5fd;border-color:#581c87}.route-pill.route-c{background:#064e3b4d;color:#6ee7b7;border-color:#065f46}}.table-wrapper{overflow-x:auto;margin:20px 0;border:1px solid var(--border-color);border-radius:12px}table{width:100%;border-collapse:collapse;font-size:.92rem;background:var(--bg-card)}caption{text-align:left;font-weight:700;font-size:.92rem;color:var(--text-main);padding:12px 16px;background:var(--bg-subtle);border-bottom:1px solid var(--border-color)}th,td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--border-color);vertical-align:middle}th{background:var(--bg-subtle);font-weight:650;color:var(--text-main)}tr:last-child th,tr:last-child td{border-bottom:none}.format-tag{display:inline-block;font-family:Outfit,sans-serif;font-size:.78rem;font-weight:700;padding:3px 8px;border-radius:6px;letter-spacing:.03em}.format-tag.json{background:#eff6ff;color:#1d4ed8;border:1px solid #BFDBFE}.format-tag.pdf{background:#fff1f2;color:#be123c;border:1px solid #FECDD3}.format-tag.ics{background:#fffbeb;color:#b45309;border:1px solid #FDE68A}.format-tag.webp{background:#f5f3ff;color:#6d28d9;border:1px solid #DDD6FE}@media (prefers-color-scheme: dark){.format-tag.json{background:#1e3a8a4d;color:#93c5fd;border-color:#1e3a8a}.format-tag.pdf{background:#8813374d;color:#fda4af;border-color:#881337}.format-tag.ics{background:#78350f4d;color:#fcd34d;border-color:#78350f}.format-tag.webp{background:#581c874d;color:#c4b5fd;border-color:#581c87}}.faq-group{display:flex;flex-direction:column;gap:12px;margin:18px 0 0}details{background:var(--bg-subtle);border:1px solid var(--border-color);border-radius:12px;overflow:hidden;transition:border-color .2s ease,background-color .2s ease}details[open]{background:var(--bg-card);border-color:var(--primary);box-shadow:var(--card-shadow)}summary{cursor:pointer;font-weight:650;font-size:.96rem;color:var(--text-main);padding:16px 20px;display:flex;align-items:center;justify-content:space-between;list-style:none;-webkit-user-select:none;user-select:none;transition:color .15s ease}summary::-webkit-details-marker{display:none}summary:after{content:"";display:inline-block;width:8px;height:8px;border-right:2px solid var(--text-muted);border-bottom:2px solid var(--text-muted);transform:rotate(45deg);transition:transform .2s ease,border-color .2s ease;margin-left:12px;flex-shrink:0}details[open] summary:after{transform:rotate(-135deg);border-color:var(--primary)}summary:hover{color:var(--primary)}details p{margin:0;padding:0 20px 18px;color:var(--text-muted);font-size:.93rem;line-height:1.7}.next-card{padding:28px;border:1px solid var(--badge-border);background:linear-gradient(135deg,var(--bg-subtle) 0%,var(--badge-bg) 100%);border-radius:16px;margin-top:32px;display:flex;flex-direction:column;gap:12px}.next-card h3,.next-card h2{margin:0;font-size:1.25rem}.next-card p{margin:0;color:var(--text-muted);font-size:.95rem}.next-card-actions{margin-top:4px;display:flex;gap:12px;flex-wrap:wrap}.site-footer{border-top:1px solid var(--border-color);background:var(--bg-card);padding:36px 24px;margin-top:40px}.footer-container{max-width:1140px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:18px;font-size:.88rem;color:var(--text-muted)}.footer-brand{display:flex;align-items:center;gap:8px;font-family:Outfit,sans-serif;font-weight:600;color:var(--text-main)}.footer-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.footer-links a{color:var(--text-muted)}.footer-links a:hover{color:var(--primary)}@media (max-width: 1024px){.layout{grid-template-columns:200px minmax(0,1fr);gap:24px}.concept-grid{grid-template-columns:1fr}}@media (max-width: 768px){.header-container{padding:12px 18px}.hero-wrapper{padding:36px 18px 30px}.layout{grid-template-columns:1fr;gap:20px;padding:0 18px;margin-bottom:40px}.toc-card{position:static;padding:16px}article{padding:24px 20px;border-radius:16px}h1{font-size:1.85rem}h2{font-size:1.28rem}.footer-container{flex-direction:column;align-items:flex-start;gap:12px}}@media print{.site-header,.toc-card,.site-footer,.btn-primary,.skip{display:none!important}body{background:#fff!important;color:#000!important;font-size:11pt}.hero-wrapper{background:none!important;border:none!important;padding:0!important;margin:0 0 20pt!important}.layout{display:block!important;padding:0!important;margin:0!important}article{border:none!important;padding:0!important;box-shadow:none!important}section{break-inside:avoid}h1{font-size:24pt}}