:root{--bg:#f7f9fc;--panel:#ffffff;--panel2:#eaf0ff;--line:#dce4ef;--text:#1f3049;--muted:#5c6d83;--accent:#255bdd;--gold:#946000;--red:#bb2845;font-family:Arial,Noto Sans JP,Yu Gothic,Meiryo,sans-serif;color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);line-height:1.65}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}a,button,input,select,textarea{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--accent);outline-offset:4px}h1,h2,h3,p{margin:0 0 16px}h1{font-size:36px;line-height:1.3;letter-spacing:-1px}h2{font-size:23px;line-height:1.5}h3{font-size:17px}.topbar{height:88px;padding:0 5%;justify-content:space-between;border-bottom:1px solid 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