/* 반복 심볼 탐색과 깊이에 따른 인라인 콘텐츠의 모바일 우선 스타일입니다. */
@font-face{font-family:Pretendard;src:local('Pretendard'),local('Pretendard Variable');font-weight:100 900;font-display:swap}
:root{--teal:#1e8b94;--ink:#242d2b;--paper:#fafafa;--line:#d6ddda;--muted:#626b67;--pale:#edf3ef;--font:Pretendard,'Apple SD Gothic Neo','Malgun Gothic',sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.7;word-break:keep-all}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none;-webkit-tap-highlight-color:transparent}
button:disabled{cursor:default}
a{color:inherit;text-decoration:none}
svg{display:block;width:100%;height:100%}
h1,h2,h3,p{margin:0}
h1,h2,h3{line-height:1.4;letter-spacing:-.045em}
p{letter-spacing:-.025em}
button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--teal);outline-offset:4px}
::selection{background:#c7e9e7}
[hidden]{display:none!important}
.page-width{width:min(1120px,calc(100% - 48px));margin-inline:auto}
.skip-link{position:fixed;z-index:100;left:16px;top:-100px;background:var(--ink);color:white;padding:16px}
.skip-link:focus{top:12px}
.site-header{min-height:88px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:16px;line-height:1.5;min-height:44px}
.brand small{display:block;font-size:9px;letter-spacing:.15em;font-weight:500}
.brand-mark{background:var(--teal);width:40px;height:40px;border-radius:50% 50% 40% 50%;color:white;display:grid;place-items:center;font-size:24px}
.header-note{font-size:11px;color:var(--muted);text-align:right;line-height:1.65}
.opening{padding:48px 0 40px}
.eyebrow{font-size:10px;letter-spacing:.09em;font-weight:600;color:var(--muted);margin-bottom:16px}
.opening h1{font-size:32px;line-height:1.45}
.opening h1 em{font-style:normal;color:var(--teal)}
.opening>p:last-child{font-size:16px;color:var(--muted);margin-top:16px}
.explorer-heading{border-top:1px solid var(--ink);border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:16px 0;gap:16px;font-size:12px;font-weight:600}
.explorer-heading span:last-child{font-size:10px;color:var(--muted);letter-spacing:.07em}
.current-path{display:flex;flex-wrap:wrap;gap:8px;font-size:11px;color:#146f76;padding:16px 0 0}
.path-divider{color:#8c9c93}
.symbol-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:0 16px;align-items:start;padding-top:16px;min-width:0}
.symbol-button{min-width:0;min-height:176px;padding:24px 8px 16px;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;border-bottom:1px solid var(--line);transition:background .2s}
.symbol-button:hover{background:#edf3ed}
.symbol-button[aria-expanded=true]{color:#146f76;background:#e5efea;border-color:var(--teal)}
.symbol-number{position:absolute;top:8px;left:8px;font-size:10px;letter-spacing:.07em;color:#586b60}
.symbol-icon{display:block;width:80px;height:88px;color:var(--symbol-color,var(--teal));margin-bottom:8px;flex-shrink:0;transition:transform .2s}
.symbol-button:nth-of-type(3n+2) .symbol-icon{transform:rotate(-8deg)}
.symbol-button:nth-of-type(3n) .symbol-icon{transform:rotate(5deg)}
.symbol-button:hover .symbol-icon{transform:translateY(-4px)}
.symbol-label{display:block;font-size:14px;font-weight:600;text-align:center;line-height:1.55;overflow-wrap:anywhere;max-width:100%}
.symbol-toggle-mark{font-size:16px;font-weight:400;color:var(--muted);margin-left:8px;white-space:nowrap}
.node-panel{grid-column:1/-1;min-width:0;margin-top:24px;padding:24px 16px;background:var(--pale);animation:panel-in .2s ease-out}
.node-panel .node-panel{margin-top:24px;padding:24px 0 0;background:transparent;border-top:1px solid #b9cfc2}
.panel-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:16px}
.panel-heading>div{min-width:0}
.panel-depth{font-size:11px;color:#146f76;margin-bottom:8px;letter-spacing:.03em;overflow-wrap:anywhere}
.panel-title{font-size:24px;margin-bottom:8px;overflow-wrap:anywhere}
.panel-description{font-size:16px;color:var(--muted);overflow-wrap:anywhere}
.panel-close{min-height:44px;min-width:44px;flex-shrink:0;font-size:13px;border-bottom:1px solid #8ba599;white-space:nowrap}
.node-panel .symbol-grid{padding-top:8px}
.node-panel .symbol-button{min-height:156px}
.node-panel .symbol-icon{width:64px;height:72px}
.leaf-content{padding-top:16px;max-width:720px;min-width:0}
.leaf-content p{font-size:16px;overflow-wrap:anywhere}
.leaf-text p+p{margin-top:16px}
.leaf-entry>p{margin-top:16px}
.status-label{display:inline-block;font-size:12px;color:#146f76;border:1px solid #a7c7b7;padding:4px 12px;border-radius:20px}
.leaf-content .sample-note{font-size:12px;color:var(--muted);margin-top:16px;line-height:1.75}
.article-view h3{font-size:24px;margin:16px 0}
.article-view .article-meta{font-size:12px;color:var(--muted)}
.text-link{display:inline-flex;align-items:center;min-height:44px;font-size:14px;font-weight:600;color:#146f76;border-bottom:1px solid currentColor;margin-top:16px}
.state-options{border-top:1px solid #c6d6ce;margin-top:24px;padding-top:8px;color:var(--muted);font-size:12px}
.state-options summary{cursor:pointer;min-height:44px;display:flex;align-items:center}
.state-options summary::before{content:'+';margin-right:8px}
.state-options[open] summary::before{content:'−'}
.state-buttons{display:flex;flex-wrap:wrap;gap:8px 24px}
.state-buttons button{font-size:13px;min-height:44px;border-bottom:1px solid #aabdb1}
.state-message{padding:24px 0;color:var(--muted)}
.leaf-cards{max-width:420px}
.health-card{background:#146f76;color:white;border-radius:12px;min-height:432px;padding:24px;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 12px 24px #214d3d08}
.health-card-brand{font-size:11px;letter-spacing:.04em;border-bottom:1px solid #ffffff40;padding-bottom:16px}
.health-card .health-symbol{width:96px;height:96px;align-self:flex-end;color:#d1e9d7;margin:16px 0;transform:rotate(-10deg)}
.health-card .health-card-caption{font-size:12px;color:#d5eeeb;margin-bottom:8px}
.health-card h3{font-size:28px;line-height:1.45;white-space:pre-line;margin-bottom:16px;overflow-wrap:anywhere}
.health-card>p:last-of-type{font-size:16px;line-height:1.75;color:#e0efec}
.health-card-footnote{font-size:11px;color:#d0e7e4;margin-top:auto;padding-top:24px}
.card-controls{display:flex;justify-content:flex-end;gap:16px;align-items:center;margin-top:16px}
.circle-button{width:44px;height:44px;border:1px solid #adbbb3;border-radius:50%;display:inline-flex;justify-content:center;align-items:center;font-size:22px}
.circle-button:hover:not(:disabled){background:#fff}
.circle-button:disabled{opacity:.3}
.card-counter{font-size:12px;min-width:44px;text-align:center;font-variant-numeric:tabular-nums}
.leaf-form{max-width:520px}
.demo-notice{color:#146f76;border-left:2px solid var(--teal);padding-left:16px}
.partner-form label{display:block;font-size:14px;font-weight:600;margin:24px 0 8px}
.partner-form input{width:100%;border:1px solid #a9b9b0;border-radius:4px;background:white;min-height:48px;padding:12px;font-size:16px}
.partner-form input[aria-invalid=true]{border-color:#d32f2f}
.partner-form .form-status{min-height:24px;margin-top:16px;color:#b92727;font-size:14px}
.partner-form .form-status.success{color:#277635}
.button{display:inline-flex;justify-content:center;align-items:center;min-height:52px;padding:14px 24px;font-size:14px;font-weight:600;border-radius:4px;line-height:1.5;max-width:100%;overflow-wrap:anywhere}
.primary{color:white;background:#146f76}
.primary:hover{background:#105d63}
.partner-form .button{margin-top:16px}
.explorer-note{font-size:12px;color:var(--muted);margin:24px 0 48px;line-height:1.8}
.site-footer{background:#28312e;color:#f4f7f3;padding:40px 0 24px}
.footer-top{display:flex;justify-content:space-between;align-items:flex-start;gap:32px;padding-bottom:32px}
.footer-brand{font-size:18px;font-weight:700;min-height:44px}
.footer-brand span{display:block;font-size:10px;letter-spacing:.1em;color:#aabdb3;margin-top:8px}
.footer-top p{font-size:22px;line-height:1.6;margin-right:auto;margin-left:64px;color:#d5e4d9}
.back-top{font-size:12px;min-height:44px;display:flex;align-items:center}
.footer-bottom{padding-top:24px;border-top:1px solid #51615a;display:flex;flex-wrap:wrap;gap:16px 32px;font-size:11px;color:#afbeb6}
.footer-bottom span:last-child{margin-left:auto}
.noscript-notice{background:var(--ink);color:white;padding:16px;text-align:center;font-size:16px}
@keyframes panel-in{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:920px){
.symbol-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.footer-top p{margin-left:24px}
}
@media(max-width:640px){
.page-width{width:calc(100% - 40px)}
.site-header{min-height:72px;gap:16px}
.brand{font-size:14px;gap:8px}
.brand-mark{width:32px;height:32px;font-size:20px}
.brand small{font-size:8px}
.header-note{font-size:10px}
.opening{padding:24px 0}
.eyebrow{font-size:10px;margin-bottom:12px;letter-spacing:.025em}
.opening h1{font-size:28px;line-height:1.45}
.opening>p:last-child{font-size:16px;margin-top:12px}
.explorer-heading{padding:12px 0;font-size:11px}
.explorer-heading span:last-child{display:none}
.current-path{font-size:11px;padding-top:12px;gap:4px 8px}
.symbol-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:0 8px;padding-top:8px}
.symbol-button{min-height:144px;padding:16px 4px}
.symbol-number{left:4px;top:4px;font-size:9px}
.symbol-icon{width:64px;height:72px}
.symbol-label{font-size:14px;line-height:1.45}
.symbol-toggle-mark{font-size:14px;margin-left:4px}
.node-panel{margin-top:16px;padding:24px 16px}
.node-panel .node-panel{margin-top:16px;padding:24px 0 0}
.node-panel .symbol-button{min-height:144px;padding:16px 4px}
.node-panel .symbol-icon{width:56px;height:64px}
.panel-heading{gap:8px;margin-bottom:16px}
.panel-title{font-size:22px}
.panel-depth{font-size:11px}
.panel-close{font-size:12px}
.panel-description{font-size:16px}
.leaf-content{padding-top:8px}
.article-view h3{font-size:22px}
.health-card{padding:24px 16px;min-height:432px}
.health-card h3{font-size:26px}
.health-card .health-symbol{width:88px;height:88px}
.partner-form .button{padding:14px 16px}
.explorer-note{margin:24px 0 32px;font-size:12px}
.site-footer{padding:32px 0 24px}
.footer-top{display:grid;grid-template-columns:1fr auto;gap:24px;padding-bottom:24px}
.footer-brand{font-size:16px}
.footer-top p{grid-column:1;margin:0;font-size:20px}
.back-top{grid-column:2;grid-row:2;align-self:end;font-size:12px}
.footer-bottom{gap:8px 16px;padding-top:16px;font-size:10px}
.footer-bottom span:last-child{width:100%;margin-left:0}
}
@media(max-width:360px){
.page-width{width:calc(100% - 32px)}
.header-note{display:none}
.symbol-label{font-size:14px}
.node-panel{padding-inline:12px}
.node-panel .node-panel{padding-inline:0}
.health-card h3{font-size:24px}
}
@media(prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
*,*::before,*::after{animation:none!important;transition:none!important}
}