:root{color-scheme:dark;--bg:#050713;--panel:#0a1020;--line:#26324b;--cyan:#73f4e6;--blue:#64cfff;--pink:#ff5b9b;--gold:#ffd66e;--text:#f4f8ff;--muted:#9aa8c2}*{box-sizing:border-box}html{background:var(--bg);scroll-behavior:smooth}body{margin:0;color:var(--text);background:radial-gradient(circle at 50% -10%,#162343 0,transparent 32rem),var(--bg);font-family:Inter,"Noto Sans JP","Yu Gothic",sans-serif;line-height:1.65}.skip-link{position:fixed;z-index:100;top:8px;left:8px;transform:translateY(-150%);padding:12px;color:#050713;background:var(--cyan)}.skip-link:focus{transform:none}.drop-header{position:relative;z-index:10;display:flex;align-items:center;justify-content:space-between;min-height:68px;padding:10px max(16px,env(safe-area-inset-left));border-bottom:1px solid rgba(115,244,230,.2);background:rgba(5,7,19,.84);backdrop-filter:blur(12px)}.drop-header 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