:root{--primary:#8b5cf6;--primary-dark:#7c3aed;--primary-light:rgba(139,92,246,.1);--accent:#06b6d4;--accent-light:rgba(6,182,212,.1);--warm:#f59e0b;--warm-light:rgba(245,158,11,.1);--text-primary:#1f2937;--text-secondary:#4b5563;--text-muted:#9ca3af;--bg-primary:#fff;--bg-secondary:#f9fafb;--bg-tertiary:#f3f4f6;--border-light:#e5e7eb;--border-medium:#d1d5db;--shadow-sm:0 1px 2px rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1);--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--font-sans:"Inter","Noto Sans SC","Noto Sans JP",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{min-height:100vh}img,svg{display:block;max-width:100%}a{color:inherit;text-decoration:none}button{cursor:pointer;font:inherit}.container{margin:0 auto;max-width:1200px;padding:0 1.5rem;width:100%}@media(max-width:640px){.container{padding:0 1rem}}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3}:focus-visible{border-radius:2px;outline:2px solid var(--primary);outline-offset:2px}::-moz-selection{background:var(--primary-light);color:var(--primary-dark)}::selection{background:var(--primary-light);color:var(--primary-dark)}::-webkit-scrollbar{height:8px;width:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border-medium);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.page-container{animation:fadeIn .3s ease-out}.page-body-with-sidebar{align-items:flex-start;display:flex;gap:2rem}.page-content{flex:1;min-width:0}.page-sidebar{flex-shrink:0;position:sticky;top:80px;width:300px}@media(max-width:1100px){.page-body-with-sidebar{flex-direction:column}.page-sidebar{margin-bottom:1rem;order:-1;position:static;width:100%}}@media print{.lang-switcher,.mobile-menu-toggle,.site-footer,.site-header{display:none!important}.main-content{padding:0}}