:root{color-scheme:light;--bg:#f4f8fd;--surface:#fff;--surface-muted:#edf4fb;--line:#d5e0ec;--line-strong:#c2d3e4;--text:#0f1f33;--text-soft:#607389;--primary:#06f;--primary-strong:#0053d6;--accent:#00a3ff;--shadow:0 30px 70px rgba(25,57,104,.12);--radius-xl:36px;--radius-lg:28px;--radius-md:18px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Noto Sans JP,Hiragino Sans,Yu Gothic UI,Segoe UI,sans-serif;color:var(--text);background:radial-gradient(circle at top left,rgba(0,102,255,.08),transparent 28%),linear-gradient(180deg,#fafdff 0,var(--bg) 42%,#eef4fb 100%);text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit}img{max-width:100%;height:auto}button,input,select,textarea{font:inherit}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.nav-item{transition:background .15s,color .15s,transform .08s}.nav-item:hover{background:hsla(0,0%,100%,.08)!important;color:#fff!important}.nav-item:active{transform:scale(.97);background:rgba(67,97,238,.45)!important}.nav-logout{transition:background .15s,transform .08s}.nav-logout:hover{background:hsla(0,0%,100%,.18)!important}.nav-logout:active{transform:scale(.97);background:hsla(0,0%,100%,.08)!important}