:root{--background:#fff;--surface:#f7f8fa;--text:#111827;--text-secondary:#4b5563;--text-muted:#6b7280;--border:#e5e7eb;--primary:#0d9488;--primary-hover:#0f766e;--primary-strong:#115e59;--primary-soft:#f0fdfa;--primary-border:#99f6e4;--content-width:820px;--checker-width:680px;--gutter:16px;color:var(--text);background:var(--background);-webkit-text-size-adjust:100%;font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,Apple SD Gothic Neo,Malgun Gothic,sans-serif}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{background:var(--background);overflow-wrap:break-word;margin:0;font-size:16px;line-height:1.7}a{color:var(--primary)}a:hover{color:var(--primary-hover)}:focus-visible{outline:3px solid var(--primary);outline-offset:2px;border-radius:4px}[hidden]{display:none!important}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.site-header{border-bottom:1px solid var(--border);background:var(--background);height:60px}.header-inner,.footer-inner{max-width:var(--content-width);padding:0 var(--gutter);margin:0 auto}.header-inner{align-items:center;height:100%;display:flex}.logo{color:var(--text);letter-spacing:-.01em;font-size:18px;font-weight:800;text-decoration:none}.logo:hover{color:var(--text)}.site-footer{border-top:1px solid var(--border);background:var(--surface);color:var(--text-secondary);margin-top:56px;padding:32px 0 40px;font-size:14px}.site-footer p{word-break:keep-all;margin:0 0 6px}.footer-name{color:var(--text);font-weight:800}.footer-links{gap:16px;display:flex;margin-top:12px!important}.footer-links a{color:var(--text-secondary)}.container{max-width:var(--content-width);padding:0 var(--gutter);margin:0 auto}.narrow{max-width:var(--checker-width);margin-left:auto;margin-right:auto}.stack>*+*{margin-top:40px}.card{max-width:var(--checker-width);border:1px solid var(--border);background:var(--background);border-radius:20px;margin:0 auto;padding:20px}@media (width>=768px){.card{padding:32px}}.btn-primary,.btn-outline{text-align:center;word-break:keep-all;border-radius:12px;justify-content:center;align-items:center;width:100%;min-height:56px;padding:14px 20px;font-size:17px;font-weight:700;line-height:1.4;text-decoration:none;transition:background-color .15s,border-color .15s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff;border:1px solid var(--primary)}.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover);color:#fff}.btn-outline{background:var(--background);color:var(--primary-strong);border:1px solid var(--primary)}.btn-outline:hover{background:var(--primary-soft);color:var(--primary-strong)}@media (width>=640px){.btn-primary,.btn-outline{width:auto;min-width:320px}}.prose h1{margin:32px 0 8px;font-size:26px;line-height:1.35}.prose h2{margin:28px 0 8px;font-size:19px}.prose p,.prose li{word-break:keep-all}.muted{color:var(--text-muted)}.skip{z-index:5;background:#fff;padding:12px;position:absolute;top:-80px}.skip:focus{top:0}.hero{padding:54px 0 32px}.hero h1{letter-spacing:-.04em;margin:12px 0 20px;font-size:clamp(32px,5vw,46px);line-height:1.3}.hero p{color:#475569}.eyebrow{font-size:14px;font-weight:700;color:#0d9488!important}.section-title{font-size:25px}.search{font-weight:700;display:block}.search input{border:1px solid #cbd5e1;border-radius:12px;width:100%;margin-top:8px;padding:14px;font-size:17px;display:block}.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.guide-card{color:#111827;border:1px solid #e5e7eb;border-radius:16px;flex-direction:column;padding:24px;text-decoration:none;display:flex}.guide-card:hover{color:#111827;background:#f0fdfa;border-color:#0d9488}.guide-card h3{margin:16px 0 8px;font-size:21px;line-height:1.5}.guide-card p{color:#475569;margin:0 0 20px;font-size:16px}.badge{color:#115e59;font-size:13px;font-weight:700}.card-link{color:#0d9488;margin-top:auto;font-weight:700}.article{color:#334155;padding:24px 0;font-size:18px;line-height:1.85}.article h1{color:#111827;font-size:clamp(28px,4vw,38px);line-height:1.45}.breadcrumb{font-size:14px}.l2g-blue-button{box-sizing:border-box;text-align:center;overflow-wrap:anywhere;background:#0d9488;border-radius:60px;width:100%;margin:24px 0;padding:20px 16px;font-size:clamp(20px,2.2vw,28px);font-weight:600;line-height:1.55;text-decoration:none;display:block;box-shadow:0 6px 12px #47556947;color:#fff!important}.blue-heading{color:#fff;background:linear-gradient(90deg,#0f766e 74%,#115e59);border:1px solid #fff;border-radius:0 10px;margin:42px 0 24px;padding:24px 22px;scroll-margin-top:24px;font-size:clamp(21px,2vw,25px);line-height:1.55}.toc{background:#f9f9f9;border:1px solid #aaa;border-radius:3px;margin:30px 0;padding:18px 20px}.toc li{margin:8px 0;font-size:16px}.table-wrap{border:1px solid #cbd5e1;border-radius:12px;max-width:100%;margin:22px 0 28px;overflow-x:auto}table{border-collapse:collapse;width:100%;min-width:400px;font-size:15px;line-height:1.65}th,td{text-align:left;border-bottom:1px solid #e2e8f0;padding:13px 14px}.checklist{background:#f7f8fa;border-radius:16px;margin:32px 0;padding:24px}.checklist label{border-bottom:1px solid #e5e7eb;align-items:start;gap:12px;padding:12px 0;display:flex}.checklist input{accent-color:#0d9488;flex-shrink:0;width:22px;height:22px;margin-top:6px}.checklist button{cursor:pointer;min-width:0;margin:12px 8px 0 0;font-family:inherit}.checklist input:checked+span{color:#64748b;text-decoration:line-through}@media (width<=600px){.grid{grid-template-columns:1fr}.checklist{padding:18px}.hero{padding-top:32px}}@media print{header,footer,.skip,.breadcrumb,.l2g-blue-button,.checklist button{display:none!important}.blue-heading{color:#000;background:#fff;border:1px solid #000}.article{font-size:12pt}.checklist{break-inside:avoid}}.ad-position{clear:both;text-align:center;break-inside:avoid;max-width:100%;margin:40px 0}.ad-label{color:#6b7280;letter-spacing:.04em;margin-bottom:8px;font-size:12px;line-height:1.5;display:block}.ad-space{color:#64748b;box-sizing:border-box;background:#f8fafc;border:1px dashed #cbd5e1;border-radius:8px;justify-content:center;align-items:center;width:100%;min-height:250px;padding:16px;font-size:14px;line-height:1.6;display:flex}@media print{.ad-position{display:none!important}}.ad-position ins.adsbygoogle{width:100%;min-height:250px}.sources{border:1px solid #e2e8f0;border-radius:12px;margin:32px 0;padding:20px 24px}.sources h2{margin:0 0 8px;font-size:19px}.sources li{margin:6px 0;font-size:16px}.site-header{z-index:10;backdrop-filter:saturate(1.4)blur(6px);background:#fffffff5;height:auto;position:sticky;top:0}.header-inner{height:60px}.logo{align-items:center;gap:8px;display:inline-flex}.logo-mark{color:#fff;background:#0d9488;border-radius:8px;place-items:center;width:28px;height:28px;font-size:22px;font-weight:800;line-height:1;display:inline-grid}.logo-accent{color:#0d9488}.topic-nav{border-top:1px solid #f1f5f9}.topic-nav-inner{max-width:var(--content-width);padding:0 var(--gutter);scrollbar-width:none;-webkit-overflow-scrolling:touch;gap:6px;margin:0 auto;display:flex;overflow-x:auto}.topic-nav-inner::-webkit-scrollbar{display:none}.topic-nav a{color:#475569;white-space:nowrap;border-bottom:2px solid #0000;flex:none;padding:11px 10px;font-size:15px;font-weight:600;text-decoration:none}.hero-care{padding-bottom:12px}.hero-care h1{word-break:keep-all}.hero-search input{border:2px solid #99f6e4;border-radius:14px;padding:16px 18px;font-size:18px;box-shadow:0 4px 14px #0d948814}.hero-search input:focus{border-color:#0d9488;outline:none}.quick-chips{flex-wrap:wrap;gap:8px;margin:14px 0 0;display:flex}.quick-chips a{color:#115e59;background:#f0fdfa;border-radius:999px;padding:6px 14px;font-size:15px;font-weight:600;text-decoration:none}.trust-row{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:8px 0 40px;padding:0;list-style:none;display:grid}.trust-row li{background:#f8fafc;border:1px solid #e5e7eb;border-radius:14px;flex-direction:column;padding:14px 16px;line-height:1.5;display:flex}.trust-row strong{color:#111827;font-size:15px}.trust-row span{color:#64748b;font-size:13px}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:48px;display:grid}.topic-card{color:#111827;border:1px solid #e5e7eb;border-radius:16px;align-items:center;gap:14px;padding:16px 18px;text-decoration:none;display:flex}.topic-card:hover{color:#111827;background:#f0fdfa;border-color:#0d9488}.topic-icon{background:#f0fdfa;border-radius:12px;flex:none;place-items:center;width:46px;height:46px;font-size:24px;display:grid}.topic-icon.big{border-radius:16px;width:64px;height:64px;font-size:34px}.topic-body{flex-direction:column;min-width:0;line-height:1.45;display:flex}.topic-body strong{font-size:17px}.topic-body span{color:#64748b;font-size:14px}.topic-count{color:#0d9488;flex:none;margin-left:auto;font-size:14px;font-weight:700}.topic-hero{align-items:flex-start;gap:18px;padding:20px 0 12px;display:flex}.topic-hero h1{margin:0 0 8px;font-size:clamp(28px,4vw,38px);line-height:1.35}.topic-hero p{color:#475569;margin:0}.topic-group{margin-top:28px}.section-title small{color:#64748b;margin-left:6px;font-size:15px;font-weight:500}.breadcrumb{color:#94a3b8;align-items:center;gap:8px;margin:20px 0 0;display:flex}.breadcrumb a{color:#475569;text-decoration:none}.breadcrumb a:hover{color:#115e59;text-decoration:underline}.article .breadcrumb{margin-top:0}.article-meta{color:#64748b;flex-wrap:wrap;gap:6px 14px;margin:-6px 0 0;font-size:14px;display:flex}.article-meta span+span:before{content:"·";color:#cbd5e1;margin-right:14px}.lead{color:#1f2937;font-size:19px}.notice{background:#fffbeb;border-left:4px solid #f59e0b;border-radius:0 12px 12px 0;margin:32px 0;padding:18px 22px;font-size:16px;line-height:1.75}.notice strong{color:#92400e;margin-bottom:4px;display:block}.notice p{color:#57534e;margin:0}.same-topic{border:1px solid #e2e8f0;border-radius:16px;margin:40px 0 0;padding:22px 24px}.same-topic h2{margin:0 0 8px;font-size:20px}.same-topic ul{margin:0;padding-left:20px}.same-topic li{margin:8px 0;font-size:17px}.same-topic a{color:#0f766e}.more-link{margin-top:10px;font-weight:700;text-decoration:none;display:inline-block}.sample-flag{color:#92400e;background:#fffbeb;border:1px dashed #f59e0b;border-radius:10px;padding:10px 14px;font-size:14px}@media (width<=600px){.trust-row{grid-template-columns:1fr;gap:8px}.trust-row li{flex-direction:row;justify-content:space-between;align-items:center;gap:8px}.topic-grid{grid-template-columns:1fr}.topic-hero{gap:14px}.topic-icon.big{width:52px;height:52px;font-size:28px}.lead{font-size:18px}}@media print{.topic-nav,.notice,.same-topic,.breadcrumb{display:none!important}}body{background:#f6fbfa}.site-header{background:#f6fbfaf5}.logo-mark{background:#0d9488;border-radius:50%}.logo-accent,.eyebrow{color:#0d9488!important}.topic-nav a[aria-current=page]{color:#0f766e;border-bottom-color:#0d9488}.topic-nav a:hover{color:#0f766e}.hero-care{background:linear-gradient(160deg,#ccfbf1,#ecfeff 70%);border-radius:28px;margin-top:24px;padding:40px 32px 28px}.hero-search input{border-color:#99f6e4;box-shadow:0 4px 14px #0d94881f}.hero-search input:focus{border-color:#0d9488}.quick-chips a{color:#0f766e;background:#fff;border:1px solid #99f6e4}.l2g-blue-button{background:#0d9488;box-shadow:0 6px 14px #0d948847}.l2g-blue-button:hover{background:#0f766e}.blue-heading{background:linear-gradient(90deg,#0f766e 74%,#115e59);border-radius:16px}.trust-row li{background:#fff;border-color:#ccfbf1}.topic-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.topic-card{background:#fff;border-color:#e2f3f1;border-radius:22px;flex-direction:column;align-items:flex-start;gap:10px;padding:22px}.topic-card:hover{background:#f0fdfa;border-color:#0d9488}.topic-icon{background:#ccfbf1;border-radius:50%;width:56px;height:56px;font-size:30px}.topic-count{color:#0d9488;margin-left:0}.guide-card{background:#fff;border-color:#e2f3f1;border-radius:22px}.guide-card:hover{background:#f0fdfa;border-color:#0d9488}.badge,a,.card-link,.same-topic a{color:#0f766e}.checklist{background:#fff;border:1px solid #e2f3f1}.checklist input{accent-color:#0d9488}th{background:#f0fdfa}.site-footer{background:#ecf7f5}@media (width<=600px){.topic-grid{grid-template-columns:1fr 1fr}.hero-care{padding:28px 20px 20px}}.quick-chips a:hover{background:#f0fdfa}.more-link{color:#0f766e}.notice{border-left-color:#f59e0b}