*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:22px}body{margin:0;background:#f7f7f3;color:#233332;font-family:system-ui,-apple-system,"Malgun Gothic",sans-serif}.guide-site{line-height:1.85;word-break:keep-all;overflow-wrap:anywhere}.guide-site a{color:#195f56;text-underline-offset:4px}.guide-site a:hover{color:#8d642b}.guide-site :focus-visible{outline:3px solid #b8791f;outline-offset:4px}.shell{max-width:1160px;margin:0 auto;padding:0 28px}.site-header{background:#fff;border-bottom:1px solid #d7dfd9}.header-row{min-height:84px;display:flex;align-items:center;justify-content:space-between;gap:24px}.site-brand{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:850;text-decoration:none;white-space:nowrap}.site-brand img{width:40px;height:40px}.site-nav{display:flex;flex-wrap:wrap;gap:12px 25px;font-size:14px}.site-nav a{text-decoration:none;color:#394d49}.skip{position:absolute;top:-100px;left:10px;background:white;padding:10px;z-index:10}.skip:focus{top:10px}.hero{padding:66px 0 52px;border-bottom:1px solid #d7dfd9;background:#e8eee8}.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:55px;align-items:start}.hero h1{font-size:clamp(29px,3.3vw,43px);line-height:1.45;letter-spacing:-1.2px;margin:0 0 24px;color:#153e35}.hero p{font-size:17px;margin:0;color:#47615a}.hero-note{font-size:13px!important;margin-top:20px!important}.source-box{background:#fff;padding:24px;border:1px solid #ccd8cd;border-top:4px solid #a78648}.source-box h2{font-size:18px;margin:0 0 14px}.source-box a{display:block;padding:8px 0;border-bottom:1px solid #e3e8e1;text-decoration:none;font-size:14px}.source-box a:last-child{border:0}.route-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:30px 0 38px}.route{padding:23px;background:#fff;border:1px solid #d9e0d9;text-decoration:none;display:block}.route strong{display:block;font-size:18px;color:#193f36}.route span{font-size:14px;color:#5a6c64;display:block;margin-top:8px}.content-grid{display:grid;grid-template-columns:minmax(0,800px) 235px;gap:45px;align-items:start}.guide-article{min-width:0}.chapter{border-top:1px solid #cbd5cb;padding:34px 0 38px}.chapter h2{font-size:27px;line-height:1.5;letter-spacing:-.7px;color:#183d33;margin:0 0 21px}.chapter h3{font-size:19px;margin:24px 0 10px;color:#254c40}.chapter p{font-size:16px;margin:0 0 20px}.chapter p:last-child{margin-bottom:0}.index-box{background:#fff;border:1px solid #d9e0d9;padding:22px;font-size:13px}.index-box h2{font-size:18px;margin:0 0 15px}.index-box ol{padding-left:18px;margin:0}.index-box li{margin:10px 0;line-height:1.65}.index-box a{text-decoration:none}.continue{padding:14px 18px;background:#eaf0e8;border-left:3px solid #9b7b3e;font-size:14px!important;margin-top:22px!important}.table-wrap{overflow-x:auto;margin:24px 0}.guide-table{border-collapse:collapse;width:100%;min-width:520px;font-size:14px;background:#fff}.guide-table caption{text-align:left;margin-bottom:12px;font-weight:700;color:#24483c}.guide-table th,.guide-table td{padding:15px;border:1px solid #d3ddd2;text-align:left;vertical-align:top}.guide-table th{background:#e3eae0;color:#234c3e}.case{padding:23px;background:#fff;border:1px solid #d7dfd2;margin:20px 0}.case p{font-size:15px}.case h3{margin-top:0}.guide-cards{display:grid;grid-template-columns:1fr 1fr;gap:15px}.guide-card{padding:22px;border:1px solid #d4dfd3;background:#fff;text-decoration:none}.guide-card strong{display:block;font-size:17px;line-height:1.6}.guide-card span{display:block;font-size:13px;color:#58695d;margin-top:9px}.chapter details{padding:18px 0;border-bottom:1px solid #d9e0d4}.chapter summary{cursor:pointer;font-size:17px;font-weight:700;line-height:1.6}.chapter details p{margin-top:14px;font-size:15px}.worksheet{padding:25px;background:#fff;border:1px solid #cedacb}.worksheet fieldset{border:0;border-bottom:1px solid #dbe2d7;padding:18px 0;margin:0;min-width:0}.worksheet legend{font-weight:700;padding:0}.worksheet label{display:block;font-size:14px;margin:8px 0}.worksheet select,.worksheet textarea{width:100%;font:inherit;font-size:15px;padding:10px;border:1px solid #b5c7b7;border-radius:3px;background:white;color:#263e2c}.worksheet textarea{resize:vertical;min-height:80px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.guide-button{border:1px solid #21513d;background:#21513d;color:white;padding:11px 19px;font:inherit;font-size:14px;cursor:pointer;border-radius:3px}.guide-button.secondary{background:white;color:#21513d}.worksheet .small{font-size:13px;color:#536554}.worksheet output{display:block;margin-top:15px;font-size:14px;color:#344d3a}.record-preview{white-space:pre-wrap;overflow-wrap:anywhere;padding:15px;background:#f2f5ee;font-size:14px}.site-footer{margin-top:45px;padding:35px 0;background:#1f3f32;color:#e1e9df}.site-footer a{color:#e8d8aa}.site-footer p{max-width:850px;font-size:13px}.site-footer strong{font-size:19px}.site-footer .site-nav{margin:18px 0}.sub-main{max-width:850px;margin:30px auto;padding:0 28px}.breadcrumb{font-size:13px;margin-bottom:20px}.check-list{padding-left:23px}.check-list li{margin:12px 0}.site-note{font-size:13px;color:#526554}.sub-hero{padding:40px 0}.sub-hero .shell{max-width:850px}.sub-hero h1{font-size:35px}.guide-bottom{margin-top:30px}@media(max-width:920px){.hero-grid{grid-template-columns:1fr;gap:28px}.source-box{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.source-box h2{grid-column:1/-1}.content-grid{grid-template-columns:1fr;gap:20px}.index-box{grid-row:1}.index-box ol{columns:2}.header-row{flex-wrap:wrap;padding-top:18px;padding-bottom:18px;gap:15px}.hero{padding:40px 0}.route-grid{gap:10px}.route{padding:17px}}@media(max-width:580px){.shell,.sub-main{padding-left:18px;padding-right:18px}.hero h1,.sub-hero h1{font-size:29px}.hero p{font-size:15px}.route-grid,.guide-cards{grid-template-columns:1fr}.route-grid{margin-top:20px}.route{padding:18px}.chapter h2{font-size:23px}.chapter p{font-size:15px}.index-box ol{columns:1}.source-box{grid-template-columns:1fr}.site-nav{gap:8px 16px}.worksheet{padding:18px}.chapter{padding:27px 0}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}@media print{body{background:white}.site-header,.site-footer,.index-box,.route-grid,.hero,.actions{display:none}.content-grid{display:block}.chapter{break-inside:avoid}.guide-site a{color:#111}.worksheet{border:0}.shell{padding:0;max-width:none}body.print-record .guide-article>.chapter:not(#record){display:none}body.print-record .content-grid>aside{display:none}body.print-record #record{display:block}textarea{height:auto}details{display:block}}