:root{--navy:#17324d;--navy-2:#244b70;--blue:#1769d2;--blue-dark:#0f54ac;--ink:#152536;--muted:#5f6d7b;--line:#d7e0e8;--soft:#f3f7fa;--pale-blue:#edf6ff;--pale-yellow:#fff7d9;--green:#16764b;--white:#fff;--danger:#a1372d;--shadow:0 16px 42px #132f491a}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:linear-gradient(#eef5fa 0,#f8fafc 380px,#fff 760px);margin:0;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Yu Gothic UI,Yu Gothic,Noto Sans JP,sans-serif;font-size:16px;line-height:1.65}button,input,select,a{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button:disabled{cursor:wait;opacity:.7}.topbar{background:var(--navy);color:var(--white)}.topbar-inner,.page,.footer-inner{width:min(100% - 32px,760px);margin:0 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