.gnb[data-astro-cid-gyahv5i3]{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--gnb-height);background:#f5f5f7bf;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--color-border)}.gnb-inner[data-astro-cid-gyahv5i3]{display:flex;align-items:center;justify-content:space-between;height:100%;gap:var(--space-lg)}.gnb-logo[data-astro-cid-gyahv5i3]{flex-shrink:0;display:flex;align-items:center;min-height:44px}.logo-text[data-astro-cid-gyahv5i3]{font-size:18px;font-weight:700;letter-spacing:-.03em;color:var(--color-text-primary)}.gnb-nav[data-astro-cid-gyahv5i3]{display:flex;align-items:center;gap:var(--space-xs)}.gnb-link[data-astro-cid-gyahv5i3]{padding:8px 14px;font-size:15px;font-weight:500;color:var(--color-text-secondary);border-radius:var(--radius-pill);transition:color var(--duration-fast) var(--ease-smooth),background var(--duration-fast) var(--ease-smooth);min-height:44px;display:flex;align-items:center}.gnb-link[data-astro-cid-gyahv5i3]:hover,.gnb-link[data-astro-cid-gyahv5i3].is-active{color:var(--color-text-primary);background:#0000000d}.gnb-link[data-astro-cid-gyahv5i3].is-active{font-weight:600}.gnb-controls[data-astro-cid-gyahv5i3]{display:flex;align-items:center;gap:var(--space-sm);flex-shrink:0}.lang-toggle[data-astro-cid-gyahv5i3]{display:flex;align-items:center;background:#0000000f;border-radius:var(--radius-pill);padding:3px}.lang-btn[data-astro-cid-gyahv5i3]{padding:5px 12px;font-size:13px;font-weight:600;color:var(--color-text-secondary);border-radius:var(--radius-pill);transition:background var(--duration-fast) var(--ease-smooth),color var(--duration-fast) var(--ease-smooth);min-height:44px;display:flex;align-items:center;-webkit-tap-highlight-color:transparent}.lang-btn[data-astro-cid-gyahv5i3].is-active{background:var(--color-surface-solid);color:var(--color-text-primary);box-shadow:var(--shadow-sm)}.lang-btn[data-astro-cid-gyahv5i3]:active{transform:scale(.95)}.hamburger[data-astro-cid-gyahv5i3]{display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;border-radius:var(--radius-sm);-webkit-tap-highlight-color:transparent}.hamburger-line[data-astro-cid-gyahv5i3]{display:block;width:20px;height:2px;background:var(--color-text-primary);border-radius:2px;transition:transform var(--duration-normal) var(--ease-smooth),opacity var(--duration-normal) var(--ease-smooth)}.mobile-menu[data-astro-cid-gyahv5i3]{display:none;flex-direction:column;padding:var(--space-sm) var(--space-lg) var(--space-md);background:#f5f5f7eb;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--color-border);gap:var(--space-xs)}.mobile-link[data-astro-cid-gyahv5i3]{padding:12px 16px;font-size:16px;font-weight:500;color:var(--color-text-primary);border-radius:var(--radius-md);min-height:44px;display:flex;align-items:center;transition:background var(--duration-fast) var(--ease-smooth)}.mobile-link[data-astro-cid-gyahv5i3]:hover{background:#0000000d}@media(max-width:640px){.gnb-nav[data-astro-cid-gyahv5i3]{display:none}.hamburger[data-astro-cid-gyahv5i3]{display:flex}.mobile-menu[data-astro-cid-gyahv5i3]{display:none}.mobile-menu[data-astro-cid-gyahv5i3].is-open{display:flex}}.scroll-top-btn[data-astro-cid-smbwi4bk]{position:fixed;bottom:28px;right:24px;width:42px;height:42px;border-radius:50%;background:#ffffffd9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.9);box-shadow:0 4px 16px #0000001f,0 1px 4px #5b5cff1a;font-size:18px;color:var(--color-text-primary);cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transform:translateY(8px);transition:opacity .25s ease,transform .25s ease,background .2s ease,box-shadow .2s ease;z-index:99}.scroll-top-btn[data-astro-cid-smbwi4bk].visible{opacity:1;pointer-events:auto;transform:translateY(0)}.scroll-top-btn[data-astro-cid-smbwi4bk]:hover{background:#fff;box-shadow:0 6px 20px #00000026,0 2px 6px #5b5cff26}.scroll-top-btn[data-astro-cid-smbwi4bk]:active{transform:scale(.92)}@media(max-width:640px){.scroll-top-btn[data-astro-cid-smbwi4bk]{bottom:82px}}