:root{--color-bg:#fff;--color-fg:#222;--color-link:blue;--color-border:rgba(34,34,34,.314)}@media (prefers-color-scheme:dark){:root{--color-bg:#161821;--color-fg:#d2d4de;--color-link:#91acd1;--color-border:rgba(210,212,222,.5)}}body{color:var(--color-fg);background-color:var(--color-bg);margin:0;padding:0;font-family:Helvetica Neue,Arial,Hiragino Kaku Gothic ProN,Hiragino Sans,Meiryo,sans-serif}main{max-width:1000px;margin:0 auto;padding:1em 10px 4em}h1,h2,h3,h4,h5,h6{margin-top:2rem;margin-bottom:1rem}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}p,ul,ol{margin-top:1.2rem}li,li>ul,li>ol{margin-top:.5rem}img,video{max-width:100%;height:auto}a{color:var(--color-link)}table{border-collapse:collapse;margin-top:2rem}tr{border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border)}td,th{padding:.5em}