.site-header{position:sticky;top:0;z-index:1000;background:#ffffffd9;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(0,0,0,.04);transition:transform .3s cubic-bezier(.25,.8,.25,1),background-color .3s ease,box-shadow .3s ease,border-color .3s ease;overflow-x:clip;will-change:transform}.site-header.is-scrolled{background:#fffffff0;box-shadow:0 10px 24px #0f172a0f}.site-header.is-hidden{transform:translateY(calc(-100% - .75rem))}.site-header-inner{height:var(--header-height);display:flex;align-items:center;justify-content:space-between;gap:1rem;min-width:0}.brand{display:flex;flex-direction:column;justify-content:center;gap:.2rem;min-width:0;max-width:100%;flex-shrink:1;overflow:hidden}.brand-image{display:block;width:195px;max-width:100%;height:auto}.brand-logo{font-size:1.75rem;font-weight:900;letter-spacing:-.03em;color:var(--color-text)}.brand-sub{margin-top:.125rem;font-size:.75rem;color:var(--color-sub-text);letter-spacing:.06em;min-width:0;max-width:20rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.gnb{display:flex;align-items:center;flex:1 1 auto;justify-content:center;min-width:0}.gnb-list{display:flex;align-items:center;gap:clamp(1rem,2vw,2rem);list-style:none;margin:0;padding:0;min-width:0}.gnb-item{position:relative}.gnb-item>a{position:relative;display:inline-flex;align-items:center;height:var(--header-height);font-size:1.1rem;font-weight:600;color:#2d2d2d;transition:color .3s ease;white-space:nowrap}.gnb-item>a:after{content:"";position:absolute;bottom:1.25rem;left:50%;transform:translate(-50%) scaleX(0);width:100%;height:2px;background-color:var(--color-point);transition:transform .3s cubic-bezier(.25,.8,.25,1);transform-origin:center}.gnb-item:hover>a{color:var(--color-point)}.gnb-item:hover>a:after{transform:translate(-50%) scaleX(1)}.sub-menu{position:absolute;top:calc(100% + .5rem);left:50%;transform:translate(-50%) translateY(10px);min-width:12.5rem;margin:0;padding:.75rem 0;list-style:none;background:#fffffff2;backdrop-filter:blur(12px);border:1px solid rgba(0,0,0,.04);border-radius:1rem;box-shadow:0 1.25rem 2.5rem #0000000f;opacity:0;visibility:hidden;transition:all .3s cubic-bezier(.25,.8,.25,1)}.gnb-item:hover .sub-menu{opacity:1;visibility:visible;transform:translate(-50%) translateY(0)}.sub-menu li a{display:block;padding:.625rem 1.25rem;font-size:.875rem;font-weight:500;color:#555;transition:all .2s ease;white-space:nowrap}.sub-menu li a:hover{background:#1f3a5f0a;color:var(--color-point);padding-left:1.5rem}.header-actions{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:.75rem;min-width:0;flex-shrink:0}.btn-header{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1.125rem;font-size:.875rem;font-weight:600;color:var(--color-text);background:transparent;border:1px solid rgba(0,0,0,.12);border-radius:99rem;transition:all .2s ease;white-space:nowrap}.btn-header:hover{background:#00000008;border-color:#00000040}.btn-noti{position:relative;display:inline-flex;align-items:center;justify-content:center;width:2.25rem;height:2.25rem;border:none;background:transparent;border-radius:50%;color:var(--color-text);cursor:pointer;transition:background .2s ease;padding:0;flex-shrink:0}.btn-noti:hover{background:#0000000d}.btn-noti svg{width:1.25rem;height:1.25rem;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.noti-badge{position:absolute;top:.375rem;right:.4375rem;width:.375rem;height:.375rem;background-color:#ff4757;border-radius:50%;border:2px solid #ffffff}.login-user{font-size:.875rem;font-weight:700;color:var(--color-text);margin-right:.25rem;white-space:nowrap}.logout-form{margin:0}.mobile-menu-btn{display:none;width:2.875rem;height:2.875rem;border:1px solid rgba(0,0,0,.08);background:#fff;border-radius:.875rem;font-size:1.125rem;cursor:pointer;transition:background .2s ease;flex-shrink:0}.mobile-menu-btn:hover{background:#f7f8fa}.gnb-item.is-active>a{color:var(--color-point)}.gnb-item.is-active>a:after{transform:translate(-50%) scaleX(1)}.sub-menu li.is-active>a{color:var(--color-point);font-weight:700}@media(max-width:1100px){.gnb-list{gap:1.5rem}.gnb-item>a{font-size:1.1rem}.header-actions{gap:.75rem}.btn-header{padding:.5rem .9rem;font-size:.8125rem}.login-user{display:none}}@media(max-width:1180px){.site-header .container{overflow-x:clip}.site-header-inner{position:relative;height:auto;min-height:var(--header-height);padding:.875rem 0;display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"brand menu" "actions actions" "gnb gnb";align-items:center;gap:.75rem}.brand{grid-area:brand;min-width:0;max-width:100%}.brand-image{width:168px;max-width:100%}.brand-logo{font-size:1.6rem;line-height:1.1}.brand-sub{font-size:.68rem;letter-spacing:.06em}.mobile-menu-btn{display:inline-flex;align-items:center;justify-content:center;grid-area:menu;width:3rem;height:3rem;border:1px solid rgba(0,0,0,.08);background:#fff;border-radius:1rem;font-size:1.25rem;box-shadow:0 .5rem 1.25rem #1111110f;justify-self:end}.mobile-menu-btn:hover{background:#f7f8fa}.header-actions{grid-area:actions;width:100%;margin-left:0;gap:.5rem;flex-wrap:wrap;justify-content:flex-start;align-items:center;min-width:0}.header-actions .btn-header{height:2.75rem;padding:0 .875rem;border-radius:1rem;font-size:.875rem;background:#fff;box-shadow:0 .5rem 1.25rem #1111110a;max-width:100%}.login-user{display:none}.gnb{display:none;grid-area:gnb;width:100%;margin-top:.25rem;padding-top:0;justify-content:flex-start;min-width:0;animation:slideDown .22s ease forwards}.gnb.is-open{display:block}.gnb-list{display:flex;flex-direction:column;align-items:stretch;gap:.375rem;width:100%;margin:0;padding:1rem;background:#fffffff5;border:1px solid rgba(0,0,0,.06);border-radius:1.5rem;box-shadow:0 1.25rem 2.5rem #11111114;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-sizing:border-box}.gnb-item{position:relative;min-width:0}.gnb-item>a{display:flex;align-items:center;width:100%;min-height:3.25rem;padding:.9rem 1rem;border:none;border-radius:1rem;font-size:1rem;font-weight:700;color:#1f2937;background:transparent;transition:background-color .2s ease,color .2s ease,padding-left .2s ease;box-sizing:border-box;white-space:normal;word-break:keep-all}.gnb-item>a:after{display:none}.gnb-item:hover>a{color:#1f2937}.gnb-item:not(.is-active)>a:hover{background:#1f3a5f0d;padding-left:1.125rem}.gnb-item.is-active>a{position:relative;background:linear-gradient(90deg,#1f3a5f1f,#1f3a5f0a);color:#163a6b;font-weight:800;padding-left:1.25rem}.gnb-item.is-active>a:before{content:"";position:absolute;left:.625rem;top:50%;transform:translateY(-50%);width:.25rem;height:1.5rem;border-radius:999px;background:var(--color-point)}.sub-menu{position:static;transform:none;min-width:0;width:100%;margin:.25rem 0 0;padding:.125rem 0 .375rem .75rem;border:none;border-radius:0;box-shadow:none;opacity:1;visibility:visible;background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none;box-sizing:border-box}.sub-menu li{margin-top:.25rem}.sub-menu li a{display:block;padding:.75rem .875rem;font-size:.9375rem;font-weight:600;color:#5b6470;border-radius:.875rem;transition:background-color .2s ease,color .2s ease,padding-left .2s ease;white-space:normal;word-break:keep-all}.sub-menu li a:hover{padding-left:1rem;background:#1f3a5f0d;color:var(--color-point)}.sub-menu li.is-active>a{background:#1f3a5f17;color:#163a6b;font-weight:700;padding-left:1rem}}@media(max-width:640px){.site-header-inner{padding:.75rem 0;gap:.625rem}.brand-image{width:150px}.mobile-menu-btn{width:2.75rem;height:2.75rem;border-radius:.875rem;font-size:1.125rem}.header-actions{gap:.4375rem}.header-actions .btn-header{height:2.625rem;padding:0 .75rem;font-size:.8125rem}.btn-noti{width:2.125rem;height:2.125rem}.gnb-list{padding:.875rem;border-radius:1.25rem}.brand-sub{display:none}.gnb-item>a{min-height:3rem;padding:.8125rem .875rem;font-size:1.1rem}.sub-menu{padding-left:.5rem}.sub-menu li a{padding:.6875rem .75rem;font-size:.875rem}}@media(max-width:480px){.brand-image{width:136px}.header-actions .btn-header{flex:0 1 auto}}@media(max-width:380px){.site-header-inner{grid-template-columns:minmax(0,1fr) auto}.brand-image{width:124px}.brand-sub{font-size:.58rem}.header-actions .btn-header{padding:0 .625rem;font-size:.75rem}}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}