:root{--ink:#183b35;--muted:#5e716a;--paper:#f7f8f2;--green:#225c45;--lime:#d9f18c;--line:#dbe2d7;--white:#fff;--serif:Georgia,'Noto Serif',serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:Arial,'PingFang SC','Hiragino Sans','Malgun Gothic',sans-serif;line-height:1.65}a{color:inherit;text-underline-offset:4px}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #799b27;outline-offset:4px}button{cursor:pointer}button:disabled{cursor:default}header{border-bottom:1px solid var(--line);background:var(--paper)}.wrap{max-width:1200px;margin:auto;padding:0 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