:root{--bg:#f7f9f8;--surface:#fff;--surface-soft:#eef7f4;--ink:#172126;--muted:#617079;--line:#dce5e2;--teal:#0f8b7e;--teal-dark:#08675e;--coral:#e66f5c;--amber:#d79a22;--violet:#7067c8;--slate:#3f5562;--primary:var(--teal);--danger:#d84f43;--border:var(--line);--shadow:0 18px 45px #13292f1f;--radius:8px;--wrap:min(1120px, calc(100vw - 32px))}*{box-sizing:border-box}html{background:var(--bg);color:var(--ink);letter-spacing:0;scroll-behavior:smooth;font-family:Inter,Noto Sans KR,Apple SD Gothic Neo,Malgun Gothic,system-ui,sans-serif}body{min-width:320px;margin:0;line-height:1.65}body::selection{background:#c8eee7}a{color:inherit;text-underline-offset:4px;text-decoration-color:#0f8b7e59}a:hover{color:var(--teal-dark);text-decoration-color:var(--teal-dark)}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}button{cursor:pointer}.skip-link{background:var(--ink);color:#fff;z-index:100;padding:10px 14px;position:fixed;top:12px;left:16px;transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}.site-header{backdrop-filter:blur(14px);z-index:20;background:#f7f9f8eb;border-bottom:1px solid #dce5e2b8;position:sticky;top:0}.site-header__inner{max-width:var(--wrap);justify-content:space-between;align-items:center;gap:22px;min-height:64px;margin:0 auto;display:flex}.brand{align-items:center;gap:10px;font-weight:850;text-decoration:none;display:inline-flex}.brand__mark{background:radial-gradient(circle at 70% 26%, #fff 0 10%, transparent 11%), linear-gradient(135deg, var(--teal), #72c3b1 58%, var(--coral));color:#fff;border-radius:8px;justify-content:center;align-items:center;width:36px;height:36px;display:inline-flex}.brand__text{line-height:1.05;display:grid}.brand__text small{color:var(--muted);font-size:11px;font-weight:700}.site-nav{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:6px;display:flex}.site-nav a{color:var(--slate);border-radius:999px;padding:8px 10px;font-size:14px;font-weight:750;text-decoration:none}.site-nav a:hover,.site-nav a[aria-current=page]{color:var(--teal-dark);background:#e6f4f0}main{min-height:70vh}.wrap{max-width:var(--wrap);margin:0 auto}.home-hero{background:linear-gradient(90deg, #0b2125d1, #0b212585 47%, #0b212514), var(--hero-image);color:#fff;background-position:50%;background-size:cover;min-height:min(680px,72vh);padding:94px 0 72px;position:relative}.home-hero__content{max-width:670px}.eyebrow{color:#bce7df;margin:0 0 12px;font-size:13px;font-weight:850}.home-hero h1,.article-hero h1,.page-hero h1{margin:0;font-size:clamp(36px,5vw,64px);line-height:1.05}.home-hero p{color:#ffffffdb;max-width:620px;margin:22px 0 28px;font-size:clamp(17px,2vw,21px)}.hero-search{border-radius:var(--radius);box-shadow:var(--shadow);background:#fffffff0;border:1px solid #ffffffc7;align-items:center;gap:10px;max-width:600px;padding:8px;display:flex}.hero-search input{color:var(--ink);background:0 0;border:0;outline:0;flex:1;min-width:0;padding:12px;font-size:17px}.hero-search__icon{color:var(--teal-dark);padding-left:8px;font-size:20px}.home-stats{flex-wrap:wrap;gap:12px;margin-top:26px;display:flex}.home-stats span{color:#ffffffe6;background:#ffffff24;border:1px solid #ffffff42;border-radius:999px;padding:8px 12px;font-size:14px;font-weight:750}.section{padding:54px 0}.section--white{background:var(--surface);border-block:1px solid var(--line)}.section--soft{border-bottom:1px solid var(--line);background:#f1f7f5}.section__head{justify-content:space-between;align-items:end;gap:18px;margin-bottom:22px;display:flex}.section__head--compact{margin-bottom:16px}.section__head h2{margin:0;font-size:clamp(25px,3vw,36px);line-height:1.18}.section__head p{color:var(--muted);max-width:620px;margin:8px 0 0}.section-actions{flex-wrap:wrap;justify-content:flex-end;gap:8px;display:flex}.category-tabs{flex-wrap:wrap;gap:8px;margin-bottom:22px;display:flex}.category-tabs button,.text-link{background:var(--surface);border:1px solid var(--line);color:var(--slate);border-radius:999px;align-items:center;min-height:40px;padding:8px 14px;font-weight:800;text-decoration:none;display:inline-flex}.category-tabs button[aria-pressed=true],.text-link:hover{background:var(--ink);border-color:var(--ink);color:#fff}.tool-grid{grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:14px;display:grid}.tool-grid--compact{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.tool-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);flex-direction:column;min-height:218px;padding:18px;text-decoration:none;transition:border-color .18s,box-shadow .18s,transform .18s;display:flex}.tool-card:hover{border-color:#0f8b7e8c;transform:translateY(-2px);box-shadow:0 18px 35px #13292f1a}.tool-card__top{justify-content:space-between;align-items:center;gap:12px;display:flex}.badge{color:#fff;white-space:nowrap;border-radius:999px;padding:4px 9px;font-size:12px;font-weight:850;display:inline-flex}.badge[data-category=body]{background:var(--teal)}.badge[data-category=nutrition]{background:var(--amber)}.badge[data-category=vitals]{background:var(--coral)}.badge[data-category=lifestyle]{background:var(--violet)}.badge[data-category=health]{background:var(--slate)}.tool-card h3{color:var(--ink);margin:16px 0 8px;font-size:21px;line-height:1.28}.tool-card p{color:var(--muted);-webkit-line-clamp:3;-webkit-box-orient:vertical;margin:0 0 18px;font-size:14.5px;display:-webkit-box;overflow:hidden}.tool-card time{color:#7c8a91;margin-top:auto;font-size:13px}.hub-card-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;display:grid}.hub-card-grid--home{margin-bottom:24px}.hub-card{border:1px solid var(--line);border-radius:var(--radius);background:#fbfdfc;padding:18px;text-decoration:none;display:block}.hub-card:hover{border-color:#0f8b7e80}.hub-card span,.resource-card span,.resource-strip span{color:var(--teal-dark);margin-bottom:7px;font-size:13px;font-weight:850;display:block}.hub-card h3,.resource-card h3{color:var(--ink);margin:0 0 8px;font-size:19px;line-height:1.28}.hub-card p,.resource-card p{color:var(--muted);margin:0;font-size:14.5px}.compact-link-list{border-top:1px solid var(--line);margin:14px 0 0;padding:12px 0 0 18px}.compact-link-list li+li{margin-top:6px}.compact-link-list a,.hub-card__more a{font-weight:800}.hub-card__more{border-top:1px solid var(--line);padding-top:10px;margin-top:12px!important}.resource-strip{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px;display:grid}.resource-strip a{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;text-decoration:none}.resource-strip strong{color:var(--ink);line-height:1.35;display:block}.resource-note{color:var(--muted);margin:16px 0 0;font-size:14px}.trust-band{color:#fff;background:#10282d}.trust-grid{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.trust-item{border-left:3px solid #bce7dfcc;padding-left:16px}.trust-item h3{margin:0 0 8px;font-size:18px}.trust-item p{color:#ffffffc2;margin:0}.article-hero,.page-hero{border-bottom:1px solid var(--line);background:radial-gradient(circle at 100% 0,#e66f5c29,#0000 34%),linear-gradient(135deg,#f3fbf9,#fff 52%,#f9f4eb);padding:60px 0 42px}.article-hero__meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;font-size:14px;font-weight:750;display:flex}.article-hero p,.page-hero p{color:var(--muted);max-width:780px;margin:18px 0 0;font-size:18px}.article-layout{grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:28px;padding:40px 0 64px;display:grid}.article-main{min-width:0}.notice{border-radius:var(--radius);color:#6f5011;background:#fff8ea;border:1px solid #f0d39a;margin-bottom:18px;padding:14px 16px;font-size:14.5px}.tool-body{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(18px,4vw,34px)}.tool-body :is(h1,h2,h3,h4){color:var(--ink);line-height:1.25}.tool-body h1{font-size:clamp(28px,4vw,42px)}.tool-body h2{font-size:clamp(24px,3vw,34px)}.tool-body h3{font-size:22px}.tool-body p,.tool-body li{color:#334349}.tool-body .container{max-width:none;padding:0}.tool-body .grid,.tool-body .row,.tool-body .kpis{gap:16px;display:grid}.tool-body .grid.cols{grid-template-columns:minmax(0,1fr)}@media (width>=900px){.tool-body .grid.cols{grid-template-columns:minmax(0,1.45fr) minmax(260px,.75fr)}}.tool-body .row{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}.tool-body .card,.tool-body .kpi,.tool-body .input-wrap,.tool-body input,.tool-body select,.tool-body textarea,.tool-body button{border-radius:var(--radius)!important}.tool-body .card{border:1px solid var(--line)!important;box-shadow:none!important;background:#fbfdfc!important;padding:20px!important}.tool-body label{color:var(--slate);margin-bottom:8px;font-weight:800;display:block}.tool-body .input-group,.tool-body .input-box,.tool-body .input,.tool-body .pcalc-field{flex-direction:column;gap:8px;margin-bottom:14px;display:flex}.tool-body .input,.tool-body .check-item{border:1px solid var(--line);border-radius:var(--radius);background:#fbfdfc;padding:12px}.tool-body .check-item{align-items:center;gap:12px;margin:10px 0;display:flex}.tool-body .check-item input{width:auto;min-height:auto}.tool-body input,.tool-body select,.tool-body textarea{width:100%;min-height:46px;padding:10px 12px;color:var(--ink)!important;background:#fff!important;border:1px solid #cbd9d5!important}.tool-body .input-wrap{align-items:center;gap:8px;display:flex;background:#fff!important;border:1px solid #cbd9d5!important;padding:8px 10px!important}.tool-body .input-wrap input,.tool-body .input-wrap select{min-height:34px;border:0!important;padding:4px!important}.tool-body .btn,.tool-body button{min-height:46px;font-weight:850;border:0!important;padding:10px 14px!important}.tool-body .btn.primary,.tool-body button.primary,.tool-body button[onclick]{background:var(--teal)!important;color:#fff!important}.tool-body .btn.ghost{color:var(--teal-dark)!important;background:#eaf4f1!important}.tool-body .kpis{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}.tool-body .kpi{background:#eef7f4!important;border:1px solid #d1ebe4!important;padding:18px!important}.tool-body .kpi .val{color:var(--teal-dark)!important}.tool-body .result-box,.tool-body .result,.tool-body [id*=result]{border-radius:var(--radius)}.tool-body .result-box{background:#f6fbf9;border:1px solid #cfe7e1;margin-top:18px;padding:16px}.tool-body .table-wrap{overflow-x:auto}.tool-body table{border-collapse:collapse;width:100%;min-width:520px}.tool-body th,.tool-body td{border-bottom:1px solid var(--line);text-align:left;padding:10px 12px}.tool-body th{color:var(--slate);background:#eef7f4;font-weight:850}.tool-body details{border-radius:var(--radius)!important}.tool-body .hidden{display:none}.tool-body center,.tool-body .adsbygoogle{display:none!important}.article-side{gap:14px;display:grid;position:sticky;top:84px}.side-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px}.side-panel h2,.side-panel h3{margin:0 0 12px;font-size:17px}.side-panel a{padding:10px 0;font-weight:750;text-decoration:none;display:block}.side-panel a small{color:var(--muted);margin-top:2px;font-size:12px;font-weight:700;line-height:1.35;display:block}.side-panel a+a{border-top:1px solid var(--line)}.side-panel__copy{color:var(--muted);margin:0 0 8px;font-size:14px}.calculator-guide{gap:20px;margin-top:24px;display:grid}.guide-heading,.guide-panel,.guide-faq,.guide-related-inline,.source-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(18px,3vw,24px)}.guide-heading h2{margin:0;font-size:clamp(24px,3vw,32px);line-height:1.25}.guide-heading--compact{margin-bottom:14px}.guide-heading p:last-child,.guide-panel p,.source-box p{color:#334349;margin-bottom:0}.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.guide-panel--wide{grid-column:1/-1}.guide-panel h3,.guide-faq h3,.guide-related-inline h3,.source-box h3{margin:0 0 10px;font-size:18px}.guide-panel ul,.guide-related-inline ul,.source-box ul{margin:0;padding-left:20px}.guide-panel li,.guide-related-inline li,.source-box li{color:#334349}.guide-panel li+li,.guide-related-inline li+li,.source-box li+li{margin-top:8px}.guide-faq{gap:10px;display:grid}.guide-faq details{border:1px solid var(--line);border-radius:var(--radius);background:#fbfdfc}.guide-faq summary{cursor:pointer;padding:13px 14px;font-weight:850}.guide-faq p{border-top:1px solid var(--line);color:#334349;margin:0;padding:13px 14px}.guide-related-inline p{color:#334349;margin:0 0 12px}.guide-related-inline__more{border-top:1px solid var(--line);padding-top:12px;margin-top:12px!important}.guide-related-inline a{font-weight:850}.guide-related-inline span{color:var(--muted);margin-top:2px;font-size:14px;display:block}.source-box{background:#f8fbfa}.source-box a{font-weight:800}.source-box span{color:var(--muted);margin-top:2px;font-size:14px;display:block}.source-box__meta{border-top:1px solid var(--line);margin-top:16px;padding-top:12px;font-size:14px;color:var(--muted)!important}.visual-aid{border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(#fff,#f8fbfa);padding:clamp(18px,3vw,24px)}.deep-dive,.calculation-example{border:1px solid var(--line);border-radius:var(--radius);background:#fbfdfc;padding:clamp(18px,3vw,24px)}.deep-dive{border-color:#c8e4dd;box-shadow:0 16px 35px #13292f14}.deep-dive-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:16px;display:grid}.deep-dive-grid section{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:16px}.deep-dive-grid h3,.calculation-example h3,.example-card h3{margin:0 0 10px;font-size:18px}.deep-dive-grid ul{margin:0;padding-left:20px}.deep-dive-grid li{color:#334349}.deep-dive-grid li+li{margin-top:8px}.deep-dive__more{border-top:1px solid var(--line);color:var(--muted);margin:16px 0 0;padding-top:12px;font-size:14px}.deep-dive__more a+a{margin-left:8px}.example-card,.calculation-example{margin-top:16px}.example-card dl,.calculation-example dl{border:1px solid var(--line);border-radius:var(--radius);gap:0;margin:0;display:grid;overflow:hidden}.example-card dl div,.calculation-example dl div{grid-template-columns:130px minmax(0,1fr);display:grid}.example-card dl div+div,.calculation-example dl div+div{border-top:1px solid var(--line)}.example-card dt,.example-card dd,.calculation-example dt,.calculation-example dd{margin:0;padding:12px 14px}.example-card dt,.calculation-example dt{color:var(--slate);background:#eef7f4;font-weight:850}.example-card dd,.calculation-example dd{color:#334349}.metric-strip{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:16px 0;display:grid}.metric-strip div{border-radius:var(--radius);background:#eef7f4;border:1px solid #d0e7e1;padding:14px}.metric-strip span{color:var(--teal-dark);margin-bottom:5px;font-size:12px;font-weight:850;display:block}.metric-strip strong{color:var(--ink);font-size:18px;line-height:1.25;display:block}.metric-strip p{color:var(--muted);margin:6px 0 0;font-size:13.5px}.visual-table-wrap{overflow-x:auto}.comparison-table{border-collapse:collapse;width:100%;min-width:720px}.comparison-table th,.comparison-table td{border-bottom:1px solid var(--line);color:#334349;text-align:left;vertical-align:top;padding:12px 14px}.comparison-table thead th{color:#fff;letter-spacing:0;background:#10282d;font-size:13px}.comparison-table tbody th{color:var(--ink);background:#f1f7f5;width:22%;font-weight:850}.comparison-table a{font-weight:850}.flow-steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:16px;display:grid}.flow-step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;position:relative}.flow-step span{background:var(--coral);color:#fff;border-radius:999px;margin-bottom:10px;padding:4px 9px;font-size:12px;font-weight:900;display:inline-flex}.flow-step h3{margin:0 0 6px;font-size:17px}.flow-step p{color:var(--muted);margin:0;font-size:14px}.page-content{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);max-width:880px;margin:34px auto 64px;padding:clamp(22px,5vw,42px)}.page-content--wide{max-width:1040px}.page-content .lead{color:var(--slate);margin:0 0 24px;font-size:18px;font-weight:650;line-height:1.75}.page-content h2{margin-top:34px}.page-content h2:first-child{margin-top:0}.page-content p,.page-content li,.page-content dd{color:#334349}.policy-meta{flex-wrap:wrap;gap:10px;margin:18px 0 30px;display:flex}.policy-meta span{color:var(--teal-dark);background:#eef7f4;border:1px solid #d0e7e1;border-radius:999px;padding:7px 11px;font-size:13px;font-weight:800}.policy-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:26px 0 4px;display:grid}.policy-panel,.contact-panel{border:1px solid var(--line);border-radius:var(--radius);background:#fbfdfc;padding:18px}.policy-panel h2,.contact-panel h2{margin:0 0 8px;font-size:19px}.policy-panel p,.contact-panel p{margin:0}.policy-list{padding-left:22px}.policy-list li+li{margin-top:8px}.info-list{border:1px solid var(--line);border-radius:var(--radius);margin:18px 0 0;overflow:hidden}.info-list div{grid-template-columns:160px minmax(0,1fr);display:grid}.info-list div+div{border-top:1px solid var(--line)}.info-list dt,.info-list dd{margin:0;padding:13px 16px}.info-list dt{color:var(--slate);background:#eef7f4;font-weight:850}.muted-copy{font-size:14px;color:var(--muted)!important;margin-top:8px!important}.hub-layout{grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:24px;display:grid}.hub-main{gap:18px;min-width:0;display:grid}.hub-side{position:sticky;top:84px}.hub-panel,.resource-section{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(18px,3vw,24px)}.hub-panel h2,.resource-section h2{margin:0 0 12px;font-size:22px;line-height:1.25}.resource-section+.resource-section{margin-top:18px}.resource-grid{grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;display:grid}.resource-card{border:1px solid var(--line);border-radius:var(--radius);background:#fbfdfc;padding:18px;text-decoration:none;display:block}.resource-card:hover{border-color:#0f8b7e80}.glossary-grid{grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;display:grid}.glossary-card{border:1px solid var(--line);border-radius:var(--radius);background:#fbfdfc;padding:16px}.glossary-card h3{color:var(--teal-dark);margin:0 0 8px;font-size:20px}.glossary-card p{color:#334349;margin:0 0 12px}.glossary-card a{font-weight:850}.timeline-list{gap:14px;display:grid}.timeline-item{border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:var(--radius);background:#fbfdfc;padding:16px}.timeline-item time{color:var(--teal-dark);font-size:13px;font-weight:850}.timeline-item h3{margin:5px 0 8px;font-size:19px}.timeline-item p{margin:0 0 12px}.timeline-links{flex-wrap:wrap;gap:8px;display:flex}.timeline-links a{color:var(--teal-dark);background:#eef7f4;border:1px solid #d0e7e1;border-radius:999px;padding:6px 10px;font-size:13px;font-weight:850;text-decoration:none}.record-sheet{overflow-x:auto}.record-sheet table{border-collapse:collapse;width:100%;min-width:760px}.record-sheet th,.record-sheet td{border:1px solid var(--line);color:#334349;text-align:left;vertical-align:top;min-height:44px;padding:12px}.record-sheet th{color:#fff;background:#10282d}.site-footer{color:#ffffffc2;background:#0d2125;padding:36px 0}.site-footer__inner{justify-content:space-between;gap:24px;display:flex}.site-footer h2{color:#fff;margin:0 0 8px;font-size:18px}.site-footer p{max-width:650px;margin:0}.footer-links{flex-wrap:wrap;justify-content:flex-end;gap:12px;display:flex}.footer-links a{color:#fff;font-weight:750;text-decoration:none}[hidden]{display:none!important}@media (width<=860px){.site-header__inner,.section__head,.site-footer__inner{flex-direction:column;align-items:flex-start}.home-hero{min-height:auto;padding:78px 0 56px}.article-layout,.hub-layout,.trust-grid{grid-template-columns:1fr}.article-side,.hub-side{position:static}.policy-grid,.guide-grid,.metric-strip,.flow-steps,.deep-dive-grid,.example-card dl div,.calculation-example dl div,.info-list div{grid-template-columns:1fr}}@media (width<=560px){:root{--wrap:min(100vw - 24px, 1120px)}.site-nav{gap:2px}.site-nav a{padding-inline:8px}.hero-search{align-items:stretch}.hero-search__icon{display:none}.tool-card{min-height:190px}.tool-body{padding:16px}}