.global-navigation{box-sizing:border-box;position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:24px;min-height:64px;padding:10px 24px;background:#fff;border-bottom:1px solid #e8e7ee;font-family:Pretendard,system-ui,sans-serif;color:#18181f;flex-shrink:0}
.global-navigation a{text-decoration:none;color:inherit;white-space:nowrap;font-size:14px;font-weight:650;padding:10px 4px}
.global-navigation .global-brand{font-size:21px;font-weight:850;letter-spacing:-.06em}.global-brand span{color:#5b4bff}
.global-navigation nav{display:flex;gap:22px;align-items:center;margin-left:auto}
.global-navigation .global-ai{background:#5b4bff;color:white;padding:12px 18px;border-radius:10px}
.global-toggle{display:none;background:#fff;border:1px solid #d9d4ff;border-radius:10px;min-width:44px;min-height:44px;font-size:20px;color:#18181f;cursor:pointer}
.global-navigation :focus-visible,.ia-page :focus-visible,.ia-home :focus-visible{outline:3px solid #5b4bff;outline-offset:3px}
.global-navigation a[aria-current=page]{text-decoration:underline;text-underline-offset:5px}
@media(max-width:800px){.global-navigation{gap:12px;padding:8px 16px;min-height:60px}.global-navigation .global-ai{margin-left:auto}.global-toggle{display:block}.global-navigation nav{display:none;position:absolute;top:100%;left:0;right:0;padding:16px;background:#fff;border-bottom:1px solid #e8e7ee;box-shadow:0 8px 18px #18181f12}.global-navigation.menu-open nav{display:flex;flex-direction:column;align-items:stretch;gap:4px}.global-navigation nav a{padding:12px}}
@media(prefers-reduced-motion:reduce){.global-navigation *{scroll-behavior:auto!important;transition:none!important}}