:root{--color-itsn-red:#E03B14;--color-itsn-blue:#1796D5;--color-itsn-green:#00A06C;--color-itsn-orange:#E55A20;--color-itsn-blue-text:#0E7AB8;--color-itsn-green-text:#007A52;--gradient-itsn:linear-gradient(135deg,var(--color-itsn-blue) 0%,var(--color-itsn-green) 35%,var(--color-itsn-red) 70%,var(--color-itsn-orange) 100%);--color-white:#FFFFFF;--color-off-white:#FAFAFA;--color-gray-100:#F1F3F5;--color-gray-300:#CED4DA;--color-gray-500:#868E96;--color-gray-700:#495057;--color-black:#0A0E1A;--color-bg:var(--color-white);--color-bg-soft:var(--color-off-white);--color-text:var(--color-black);--color-text-sub:var(--color-gray-500);--color-text-body:var(--color-gray-700);--color-link:var(--color-itsn-blue-text);--color-success:var(--color-itsn-green-text);--color-warning:var(--color-itsn-orange);--color-danger:var(--color-itsn-red);--color-border:var(--color-gray-300);--color-cat-security:var(--color-itsn-red);--color-cat-network:var(--color-itsn-blue-text);--color-cat-monitoring:var(--color-itsn-green-text);--color-cat-collaboration:var(--color-itsn-orange);--space-1:0.25rem;--space-2:0.5rem;--space-3:0.75rem;--space-4:1rem;--space-6:1.5rem;--space-8:2rem;--space-12:3rem;--space-16:4rem;--space-24:6rem;--space-32:8rem;--font-display:"Space Grotesk","Inter",sans-serif;--font-sans:"Noto Sans JP","Inter",system-ui,sans-serif;--font-mono:"JetBrains Mono","SFMono-Regular",monospace;--font-serif:"Noto Serif JP","Times New Roman",serif;--ease-out-quint:cubic-bezier(0.22,1,0.36,1);--ease-out-expo:cubic-bezier(0.16,1,0.3,1);--duration-fast:200ms;--duration-base:400ms;--duration-slow:800ms;--container-max:1280px;--container-pad:clamp(1.25rem,4vw,3rem);--radius-sm:4px;--radius-md:8px;--radius-lg:16px;--shadow-sm:0 1px 2px rgba(10,14,26,0.04),0 1px 1px rgba(10,14,26,0.03);--shadow-md:0 4px 16px rgba(10,14,26,0.06),0 1px 4px rgba(10,14,26,0.04);--shadow-lg:0 12px 40px rgba(10,14,26,0.08),0 4px 12px rgba(10,14,26,0.05);--nav-height:72px}@media (max-width:767px){:root{--nav-height:60px}}