*{box-sizing:border-box}html{scroll-padding-top:90px}body{margin:0;color:#17302f;background:#fff;font-family:"Pretendard","Malgun Gothic",sans-serif;line-height:1.75;letter-spacing:-.02em;word-break:keep-all}
a{color:#0f6b5c}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #e0a43a;outline-offset:3px}
.wrap{max-width:1120px;width:calc(100% - 32px);margin:auto}.narrow{max-width:820px}.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:8px;background:#fff;padding:8px;z-index:30}
header{position:sticky;top:0;background:#fffffff2;border-bottom:1px solid #e3ebe8;z-index:20;backdrop-filter:blur(10px)}.top{height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{font-weight:800;font-size:20px;color:#123c3a;text-decoration:none;display:flex;align-items:center;gap:8px}.logo span{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:8px;background:#123c3a;color:#fff;font-size:16px}
nav#gnb{display:flex;gap:22px;font-size:15px}nav#gnb a{color:#17302f;text-decoration:none}nav#gnb a[aria-current]{color:#0f6b5c;font-weight:700}.menu{display:none}
.crumb{font-size:13px;color:#6a7d7a;padding-top:14px}.crumb a{color:#6a7d7a}.pagehead{padding:28px 0 8px}h1{font-size:34px;line-height:1.35;margin:0 0 6px;letter-spacing:-.04em}.updated{font-size:13px;color:#6a7d7a;margin:0}
h2{font-size:24px;line-height:1.4;margin:40px 0 14px}h3{margin:6px 0}.lead{font-size:21px;line-height:1.6}.lead b{color:#0f6b5c}
.hero{display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:center;padding:20px 0 56px}.steps{list-style:none;margin:0;padding:24px;background:#f1f6f4;border-radius:14px}.steps li{padding:12px 0;border-bottom:1px solid #d9e5e1}.steps li:last-child{border:0}.steps p{margin:2px 0 0;font-size:14px;color:#55706b}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0}.button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:12px 22px;border-radius:10px;background:#123c3a;color:#fff;font-weight:700;font-size:15px;border:1px solid #123c3a;text-decoration:none;cursor:pointer;font-family:inherit}.secondary{background:#fff;color:#123c3a}
.section{padding:48px 0}.soft{background:#f6f9f8}.section-intro{color:#55706b}.note,.small{font-size:13px;color:#6a7d7a}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{display:block;padding:22px;border:1px solid #dfe9e6;border-radius:14px;text-decoration:none;color:inherit;background:#fff}.card:hover{border-color:#0f6b5c}.card span{font-size:12px;color:#b07a1e;font-weight:700}.card p{margin:0;font-size:14px;color:#55706b}
.tablewrap{overflow-x:auto;margin:16px 0}table{width:100%;border-collapse:collapse;font-size:15px;min-width:420px}th,td{border-bottom:1px solid #dfe9e6;padding:12px 10px;text-align:left;vertical-align:top}th{background:#edf4f2;font-size:14px}
.plain{padding-left:22px}.plain li{margin:8px 0}.timeline{list-style:none;padding:0;counter-reset:t}.timeline li{position:relative;padding:0 0 18px 44px;counter-increment:t}.timeline li:before{content:counter(t);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;background:#123c3a;color:#fff;display:grid;place-items:center;font-size:14px}.timeline p{margin:2px 0 0;color:#55706b;font-size:14px}
.faq details{border-bottom:1px solid #dfe9e6;padding:16px 0}.faq summary{cursor:pointer;font-weight:700;font-size:16px}.faq p{margin:10px 0 0;color:#40595a}
.ad{position:relative;border:2px solid #e5c98f;background:#fffaf0;border-radius:14px;padding:24px}.ad-tag{position:absolute;top:-12px;left:16px;background:#b07a1e;color:#fff;font-size:12px;font-weight:700;padding:2px 10px;border-radius:20px}.ad b{font-size:19px;display:block}.ad p{margin:8px 0}
.calc-wrap{display:grid;grid-template-columns:1fr 1fr;gap:28px;padding-bottom:40px}.calc{display:grid;gap:14px;padding:24px;border:1px solid #dfe9e6;border-radius:14px}.calc label{display:grid;gap:6px;font-weight:700;font-size:15px}.calc small{font-weight:400;color:#6a7d7a}
.calc input,.calc select{font:inherit;padding:12px;border:1px solid #c6d6d1;border-radius:10px;min-height:48px;width:100%}.result{padding:24px;background:#123c3a;color:#fff;border-radius:14px}.result dl{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;margin:12px 0}.result dt{color:#bfd8d2}.result dd{margin:0;font-weight:800;font-size:20px;text-align:right}.result p{font-size:14px;color:#dbe9e5}.result .ad{color:#17302f;margin-top:18px}.result .ad p{color:#40595a}
.checks{list-style:none;padding:0}.checks li{border:1px solid #dfe9e6;border-radius:12px;margin:10px 0}.checks label{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;padding:14px;cursor:pointer}.checks input{width:22px;height:22px;grid-row:span 2;margin-top:4px}.checks span{color:#55706b;font-size:14px}.progress{display:flex;align-items:center;gap:12px}.progress progress{flex:1;height:12px}
footer{background:#0f2524;color:#cfe0dc;padding:36px 0 90px;margin-top:40px}footer a{color:#fff}footer .small{color:#9fb8b2}
@media(max-width:860px){h1{font-size:27px}.lead{font-size:18px}.hero,.calc-wrap{grid-template-columns:1fr}.grid3{grid-template-columns:1fr 1fr}.menu{display:block;font:inherit;font-weight:700;background:#fff;border:1px solid #c6d6d1;border-radius:8px;padding:6px 12px}nav#gnb{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;gap:0;border-bottom:1px solid #e3ebe8}nav#gnb.open{display:flex}nav#gnb a{padding:14px 16px;border-top:1px solid #eef3f1}}
@media(max-width:520px){.grid3{grid-template-columns:1fr}}
@media print{header,footer,.ad,.actions,.faq{display:none}}