:root{--bg:#fffaf4;--card:#fff;--ink:#25211e;--muted:#6e655e;--line:#eadfd4;--accent:#d96b4c;--accent2:#fff0e8;--shadow:0 16px 40px rgba(62,43,30,.08)}
*{box-sizing:border-box}html{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR",sans-serif;background:var(--bg);color:var(--ink)}body{margin:0}a{color:inherit}.cat-shell{min-height:100vh;display:flex;flex-direction:column}.cat-header{border-bottom:1px solid var(--line);background:rgba(255,250,244,.96);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}.cat-header-inner{width:min(1040px,calc(100% - 28px));margin:auto;min-height:66px;display:flex;align-items:center;justify-content:space-between;gap:16px}.cat-brand{text-decoration:none;font-weight:950;letter-spacing:-.04em;font-size:20px}.cat-brand span{color:var(--accent)}.cat-nav{display:flex;gap:8px;flex-wrap:wrap}.cat-nav a{text-decoration:none;padding:8px 10px;border-radius:999px;font-size:13px;font-weight:800;color:var(--muted)}.cat-nav a:hover,.cat-nav a[aria-current="page"]{background:var(--accent2);color:#8c3f2c}.cat-main{flex:1}.hero{padding:56px 0 28px}.wrap{width:min(1040px,calc(100% - 28px));margin:auto}.eyebrow{display:inline-flex;background:var(--accent2);color:#9b472f;border-radius:999px;padding:7px 11px;font-size:12px;font-weight:900}.hero h1{font-size:clamp(34px,6vw,58px);line-height:1.08;letter-spacing:-.055em;margin:14px 0 12px}.hero p{max-width:760px;font-size:17px;line-height:1.75;color:var(--muted);margin:0}.hero-note{margin-top:16px;font-size:13px;color:#7d7169}.grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:16px;padding:14px 0 44px}.grid>.tool-card:nth-child(-n+3){grid-column:span 2}.grid>.tool-card:nth-child(n+4){grid-column:span 3}.tool-card,.calc-card,.info-card{background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}.tool-card{padding:24px;text-decoration:none;transition:.18s}.tool-card:hover{transform:translateY(-2px);border-color:#ddc7b8}.tool-icon{font-size:30px}.tool-card h2{font-size:22px;letter-spacing:-.035em;margin:14px 0 8px}.tool-card p{color:var(--muted);line-height:1.65;margin:0}.tool-link{display:inline-block;margin-top:18px;color:#9b472f;font-weight:900}.calc-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:18px;padding:10px 0 48px}.calc-card,.info-card{padding:24px}.calc-card h2,.info-card h2{margin:0 0 16px;letter-spacing:-.03em}.field{margin:0 0 16px}.field label{display:block;font-size:14px;font-weight:850;margin-bottom:7px}.field small{display:block;color:var(--muted);margin-top:6px;line-height:1.5}.field-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.input,select{width:100%;border:1px solid #d9cec5;border-radius:14px;padding:13px 14px;background:#fff;font:inherit;color:var(--ink);outline:none}.input:focus,select:focus{border-color:#d98b72;box-shadow:0 0 0 3px rgba(217,107,76,.11)}.button{width:100%;border:0;border-radius:14px;padding:14px 16px;background:var(--ink);color:#fff;font:inherit;font-weight:900;cursor:pointer}.button:hover{opacity:.92}.form-error{display:none;margin:12px 0 0;padding:12px 14px;border-radius:12px;background:#fff1f1;border:1px solid #efcaca;color:#982f2f;font-size:13px;line-height:1.6}.result{margin-top:18px;padding:20px;border-radius:18px;background:#fff5ee;border:1px solid #efd7c7;display:none}.result.show{display:block}.result-kicker{font-size:12px;font-weight:900;color:#98513b}.result-value{font-size:clamp(28px,5vw,42px);font-weight:950;letter-spacing:-.05em;margin:5px 0}.result-sub{color:var(--muted);line-height:1.65}.metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:14px}.metric{background:#fff;border:1px solid #eeded2;border-radius:14px;padding:13px}.metric b{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}.metric strong{font-size:19px}.info-card p,.info-card li{color:var(--muted);line-height:1.72}.source-list{display:grid;gap:10px}.source-list a{color:#315f80;font-weight:800;line-height:1.5}.notice{margin-top:16px;padding:14px 15px;border-radius:14px;background:#f2f7f4;border:1px solid #d5e7df;color:#385b50;font-size:13px;line-height:1.65}.safety-note{display:none;margin-top:16px;padding:14px 15px;border-radius:14px;background:#f2f7f4;border:1px solid #d5e7df;color:#385b50;font-size:13px;line-height:1.65}.safety-note.danger{background:#fff2f2;border-color:#efcaca;color:#8c3030}.calc-trace{margin-top:14px;padding:14px 15px;border-radius:14px;background:#fff;border:1px solid #eadfd4;color:var(--muted);font-size:13px;line-height:1.7}.calc-trace b{color:var(--ink)}.result-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.inline-link{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border-radius:12px;padding:10px 12px;background:#fff;border:1px solid #dfd2c8;color:#315f80;font-size:13px;font-weight:900}.inline-link:hover{border-color:#b8cbd8}.cat-footer{border-top:1px solid var(--line);padding:28px 0 36px;background:#fff}.footer-inner{width:min(1040px,calc(100% - 28px));margin:auto;display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.footer-copy{color:var(--muted);font-size:13px;line-height:1.7}.silmuon-link{display:inline-flex;text-decoration:none;font-weight:900;color:#315f80}
@media(max-width:760px){.cat-header-inner{padding:10px 0;align-items:flex-start;flex-direction:column}.cat-nav{width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:2px}.cat-nav a{white-space:nowrap}.hero{padding-top:38px}.grid,.calc-layout{grid-template-columns:1fr}.grid>.tool-card:nth-child(n){grid-column:auto}.field-row,.metric-grid{grid-template-columns:1fr}.calc-card,.info-card,.tool-card{padding:20px}.footer-inner{flex-direction:column}.hero h1{font-size:38px}}
.faq-section{padding:0 0 48px}.faq-section .info-card{padding:24px}.faq-list{display:grid;gap:10px;margin-top:14px}.faq-list details{border:1px solid var(--line);border-radius:14px;background:#fff;padding:0 14px}.faq-list summary{cursor:pointer;font-weight:900;padding:14px 0;list-style:none}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary::after{content:"+";float:right;color:var(--muted)}.faq-list details[open] summary::after{content:"–"}.faq-list p{margin:0;padding:0 0 14px;color:var(--muted);line-height:1.7}
@media(max-width:760px){.faq-section .info-card{padding:20px}}