:root{--bg: #0d0b1a;--bg-2: #14112a;--panel: #1b1735;--panel-2: #221d42;--border: #322a5c;--ink: #ece9ff;--ink-dim: #a79fce;--ink-faint: #6f679a;--gold: #f4c95d;--gold-soft: #e8b84b;--violet: #8b6cf0;--violet-bright: #a98bff;--danger: #ff7a8a;--ok: #6ee7a8;--radius: 14px;--shadow: 0 10px 40px rgba(0, 0, 0, .45)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:system-ui,Hiragino Kaku Gothic ProN,Noto Sans JP,sans-serif;color:var(--ink);background:radial-gradient(1200px 700px at 80% -10%,#2a1f52 0%,transparent 55%),radial-gradient(900px 600px at -10% 20%,#1a2140 0%,transparent 50%),var(--bg);background-attachment:fixed;line-height:1.6}a{color:inherit;text-decoration:none}.link-event:hover{color:var(--violet-bright);text-decoration:underline;text-underline-offset:3px}.app{max-width:960px;margin:0 auto;padding:0 20px 80px}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:16px 20px;margin:0 -20px 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