:root{--navy:#0d1f3c;--blue:#1565c0;--purple:#7a3fb0;--orange:#e67e22;--red:#c53a32;--ink:#111;--muted:#5f6773;--line:#d7dce3;--soft:#f5f7fa;--warm:#fff8f1}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ink);font-family:Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Noto Sans KR","Malgun Gothic",sans-serif;line-height:1.82;word-break:keep-all}.site-head{position:sticky;top:0;z-index:1000;width:100%;height:64px;border-bottom:1px solid rgba(215,220,227,.92);background:rgba(255,255,255,.97);box-shadow:0 8px 24px rgba(13,31,60,.05);backdrop-filter:blur(14px)}.site-head-inner{width:calc(100% - 48px);max-width:1280px;height:100%;margin:0 auto;padding:0;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:inline-flex;align-items:center;gap:9px;font-weight:800;font-size:15px;color:var(--navy);text-decoration:none;white-space:nowrap}.brand::before{content:"";width:30px;height:30px;flex:0 0 30px;border-radius:9px;background:#d4a73a url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 28 28' fill='none' stroke='%230d1f3c' stroke-width='2.1' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 13 14 5l10 8v10H4z'/%3E%3Cpath d='m10 16 3 3 6-7'/%3E%3C/svg%3E") center/20px no-repeat}.brand b{color:#d4a73a}.home-link{font-size:14px;color:#596273;text-decoration:none}.article,.guide-index{max-width:760px;margin:0 auto;padding:42px 20px 70px}.eyebrow{font-size:14px;font-weight:750;color:#586174;margin-bottom:10px}.article h1{font-size:32px;line-height:1.38;letter-spacing:-.8px;margin:0 0 12px}.meta{display:none!important}.lead{font-size:18px;font-weight:650;margin:27px 0}.answer{border:2px solid var(--orange);padding:18px 19px;margin:25px 0 30px;background:#fff}.answer h2{font-size:20px;margin:0 0 8px;color:var(--navy)}.answer p,.answer ul{margin:5px 0}.article h2{font-size:23px;line-height:1.45;color:var(--navy);margin:38px 0 14px;padding-left:12px;border-left:5px solid var(--purple)}.article h3{font-size:19px;margin:27px 0 9px}.article p{font-size:17px;margin:0 0 17px}.checklist{border:1px solid var(--line);background:var(--soft);padding:16px 18px;margin:20px 0}.checklist ol,.checklist ul{margin:0;padding-left:22px}.checklist li{margin:7px 0}.formula{border:1px solid var(--line);background:#f7f8fa;padding:18px;text-align:center;font-size:18px;font-weight:800;margin:20px 0}.table-wrap{overflow-x:auto;margin:18px 0 22px}table{width:100%;border-collapse:collapse;min-width:560px;font-size:15px;line-height:1.55}th,td{border:1px solid #c7ccd4;padding:11px 9px;text-align:center;vertical-align:middle}th{background:var(--navy);color:#fff;font-weight:800}.highlight td{background:var(--warm);font-weight:750}.warning{border:2px solid var(--red);padding:17px 18px;margin:25px 0}.warning h3{color:var(--navy);margin:0 0 9px}.rc-line{border-left:5px solid var(--orange);background:var(--warm);padding:15px 17px;margin:30px 0}.rc-line strong:first-child{display:block;color:var(--navy);font-size:18px;margin-bottom:5px}.related{margin-top:38px}.related-card{display:block;border:1px solid #aab4c4;padding:14px 16px;margin:11px 0;text-decoration:none;color:inherit}.related-card small{color:#6b7280}.related-card b{display:block;margin:4px 0;color:var(--navy)}.related-card span{color:var(--blue);font-size:14px;font-weight:700}.sources{border-top:1px solid #ddd;margin-top:40px;padding-top:23px}.sources h2{border-left:0;padding-left:0;margin-top:0}.sources ol{padding-left:22px}.sources li{margin:7px 0;font-size:14px;color:#3f4650}.sources a{color:#174a8b}.notice{font-size:13px!important;color:#5b6169;margin-top:25px!important}.footer-box{border:2px solid var(--navy);padding:18px;margin-top:32px}.footer-box h3{color:var(--navy);margin:0 0 6px}.footer-box p{font-size:15px;margin-bottom:8px}.footer-box a{color:var(--blue);font-weight:800}.guide-index h1{font-size:34px;margin:0 0 10px;color:var(--navy)}.guide-index>.intro{font-size:17px;color:#4d5562;margin-bottom:30px}.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.guide-card{border:1px solid var(--line);padding:19px;text-decoration:none;color:inherit;transition:.18s ease;background:#fff}.guide-card:hover{transform:translateY(-2px);box-shadow:0 8px 26px rgba(13,31,60,.08)}.guide-card small{color:#6b7280}.guide-card h2{font-size:19px;line-height:1.5;margin:7px 0;color:var(--navy)}.guide-card p{font-size:14px;margin:0;color:#596273}.guide-card .go{display:block;margin-top:10px;color:var(--blue);font-weight:750;font-size:14px}@media(max-width:680px){.site-head{height:62px}.site-head-inner{width:calc(100% - 24px);padding:0}.article,.guide-index{padding:30px 18px 55px}.article h1{font-size:28px}.guide-index h1{font-size:29px}.article p{font-size:16.5px}.lead{font-size:17px}.guide-grid{grid-template-columns:1fr}.article h2{font-size:21px}table{font-size:14px}}
.reference-note{border-top:1px solid #ddd;margin-top:40px!important;padding-top:18px;font-size:13px!important;color:#6b7280}
.guide-tool-cta{margin:32px 0 8px;padding:18px;border:1px solid #c9d4e1;background:#f7f9fc}
.guide-tool-cta>strong{display:block;margin-bottom:11px;color:var(--navy);font-size:17px}
.guide-tool-cta>div{display:flex;flex-wrap:wrap;gap:8px}
.guide-tool-cta a{display:inline-flex;align-items:center;min-height:44px;padding:10px 14px;border-radius:8px;background:var(--navy);color:#fff;text-decoration:none;font-size:14px;font-weight:800}
.guide-tool-cta a+ a{background:#fff;color:var(--blue);border:1px solid #b9c7d6}
@media(max-width:680px){.guide-tool-cta>div{display:grid}.guide-tool-cta a{width:100%;justify-content:space-between}}
/* 자체 글 공통 상단: 홈/도구와 같은 높이의 Rent Check 헤더만 표시한다. */
.site-head .brand b,.site-head .home-link{display:none!important}

.guide-quicknav{margin:0 0 22px;padding:15px 16px;border:1px solid var(--line);background:#f7f9fc}.guide-quicknav>span{display:block;margin-bottom:9px;font-size:14px;font-weight:800;color:var(--navy)}.guide-quicknav>div{display:flex;flex-wrap:wrap;gap:8px}.guide-quicknav a,.guide-filter-bar button{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:8px 12px;border:1px solid #b9c7d6;background:#fff;color:var(--navy);text-decoration:none;font:inherit;font-size:14px;font-weight:750;cursor:pointer}.guide-quicknav a:hover,.guide-filter-bar button:hover,.guide-filter-bar button.active{border-color:var(--navy);background:var(--navy);color:#fff}.guide-more{margin:22px 0 4px;text-align:center}.guide-more a,.guide-more button{display:inline-flex;min-height:46px;align-items:center;justify-content:center;padding:10px 18px;border:1px solid var(--navy);color:var(--navy);text-decoration:none;font-weight:800}.guide-filter-bar{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px}.guide-empty{padding:30px 0;text-align:center;color:#6b7280}.guide-card[hidden]{display:none!important}
@media(max-width:680px){.guide-quicknav>div,.guide-filter-bar{display:grid;grid-template-columns:1fr 1fr}.guide-quicknav a,.guide-filter-bar button{width:100%}.guide-more a,.guide-more button{width:100%}}

.guide-more button{font:inherit;font-weight:800;background:#fff;cursor:pointer}.guide-more button:focus-visible{outline:3px solid var(--blue);outline-offset:3px}