:root{--bg:#1E1B4B;--bg-soft:#252262;--surface:#2d2970;--ink:#f0eeff;--muted:#b8b0e8;--line:#3d3892;--accent:#6366F1;--accent-2:#06B6D4;--primary:#4338CA;--primary-light:#6366F1;--violet:#7C3AED;--line-green:#06C755;--max:1160px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Noto Sans JP",sans-serif;color:var(--ink);background:radial-gradient(900px 500px at 10% -5%,rgba(99,102,241,.2),transparent 55%),radial-gradient(800px 500px at 90% 0%,rgba(6,182,212,.15),transparent 58%),var(--bg);line-height:1.7}.container{width:min(var(--max),92%);margin:0 auto}.section{padding:92px 0}.dark{background:linear-gradient(180deg,#151240,#120f38);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.header{position:sticky;top:0;z-index:30;backdrop-filter:blur(12px);background:rgba(30,27,75,.85);border-bottom:1px solid 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