:root{--blue:#4285f4;--red:#ea4335;--yellow:#fbbc05;--green:#34a853;--link:#1a0dab;--visited:#681da8;--text:#202124;--body:#4d5156;--grey:#70757a;--url:#4d5156;--line:#dfe1e5;--line-2:#dadce0;--chip:#f1f3f4;--btn:#f8f9fa;--footer:#f2f2f2;--accent:#1a73e8;--ai-1:#e8f0fe;--ai-2:#f6f9ff;--col-main:652px;--col-side:360px;--gutter:180px}*{box-sizing:border-box}html,body{color:var(--text);background:#fff;margin:0;padding:0;font-family:arial,Hiragino Kaku Gothic ProN,Hiragino Sans,Meiryo,sans-serif;font-size:14px;line-height:1.58}a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit}ul{margin:0;padding:0;list-style:none}.logo{letter-spacing:-.005em;white-space:nowrap;-webkit-user-select:none;user-select:none;font-family:Product Sans,Google Sans,system-ui,-apple-system,Arial,sans-serif;font-weight:700;line-height:1;display:inline-block}.logo:hover{text-decoration:none}.logo .c1,.logo .c4{color:var(--blue)}.logo .c2,.logo 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