:root{--night:#06152e;--deep:#030c1c;--ink:#142a47;--muted:#a6bdd8;--blue:#1675ff;--cyan:#62e3ff;--line:rgba(158,200,247,.18);--paper:#f3f7fc;--width:1120px;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--night);color:#f8fbff;font-family:-apple-system,BlinkMacSystemFont,"Avenir Next","Hiragino Sans","Noto Sans JP",sans-serif;line-height:1.8;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--cyan);outline-offset:5px}img{max-width:100%;display:block}h1,h2,h3,p{margin:0}h1,h2,h3{text-wrap:balance}p{overflow-wrap:anywhere}.container{width:min(var(--width),calc(100% - 64px));margin-inline:auto}.site-header{border-bottom:1px solid 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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}