:root{--brand-primary:#111827;--brand-secondary:#374151;--brand-accent:#2563eb;--radius-lg:.75rem;--shadow-lg:0 10px 30px rgba(0,0,0,.08);--font-sans:system-ui,-apple-system,"Segoe UI",Roboto,"Hiragino Kaku Gothic ProN","Meiryo",sans-serif}.theme-canva{--brand-primary:#F4A62A;--brand-secondary:#2B2B4F;--brand-accent:#9B1C31;--radius-lg:1.25rem;--shadow-lg:0 14px 28px rgba(0,0,0,.15);--font-sans:"Noto Sans JP",system-ui,-apple-system,"Segoe UI",Roboto,"Hiragino Kaku Gothic ProN","Meiryo",sans-serif}