@font-face{font-family:DSD;src:url(/f/dm-serif-display-latin-400-normal.woff2) format('woff2');font-weight:400;font-display:swap}@font-face{font-family:IP;src:url(/f/ibm-plex-sans-latin-400-normal.woff2) format('woff2');font-weight:400;font-display:swap}@font-face{font-family:IP;src:url(/f/ibm-plex-sans-latin-600-normal.woff2) format('woff2');font-weight:600;font-display:swap}:root{--bg:#FAF8FF;--cd:#FFFFFF;--ink:#1D1A2B;--mu:#615C75;--ln:#E5E1F0;--ac:#4B2E9E;--soft:#EFEAFB;--head:DSD;--body:IP;color-scheme:light}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#14121C;--cd:#1C1928;--ink:#EEEBF7;--mu:#ADA7C2;--ln:#312C45;--ac:#B9A6FF;--soft:#241F38;--head:DSD;--body:IP;color-scheme:dark}}:root[data-theme=dark]{--bg:#14121C;--cd:#1C1928;--ink:#EEEBF7;--mu:#ADA7C2;--ln:#312C45;--ac:#B9A6FF;--soft:#241F38;--head:DSD;--body:IP;color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 var(--body),system-ui,sans-serif}a{color:var(--ac);text-underline-offset:3px}
.w{max-width:var(--maxw,1000px);margin:0 auto;padding-inline:max(16px,env(safe-area-inset-left))}.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:var(--cd);padding:6px;z-index:9}
.hd .w{display:flex;flex-wrap:wrap;align-items:center;gap:8px 22px;padding-block:14px}.lo{text-decoration:none;margin-right:auto}.hd nav{display:flex;flex-wrap:wrap;gap:4px 18px}.hd nav a{text-decoration:none;font-weight:600;font-size:.93rem}
main{padding-block:22px 60px}h1,h2{font-family:var(--head),serif;line-height:1.12;text-wrap:balance}h1{font-size:clamp(1.9rem,4.8vw,2.9rem);margin:.2em 0 .35em}h2{font-size:1.45rem;margin:1.8em 0 .5em}
.ld{font-size:1.12rem;max-width:64ch}.mu{color:var(--mu)}.sm{font-size:.88rem}
.tw{overflow-x:auto;background:var(--cd);border:1px solid var(--ln);border-radius:var(--rad,10px);margin:12px 0}table{width:100%;border-collapse:collapse;font-size:.94rem}
th,td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--ln);vertical-align:top}th{font-size:.76rem;text-transform:uppercase;letter-spacing:.05em;color:var(--mu)}td.n,th.n{text-align:right;white-space:nowrap}
th button{all:unset;cursor:pointer}th button:after{content:" \2195";opacity:.4}
dl.fx{display:grid;grid-template-columns:minmax(150px,230px) 1fr;margin:0;background:var(--cd);border:1px solid var(--ln);border-radius:var(--rad,10px);overflow:hidden}dl.fx dt,dl.fx dd{margin:0;padding:12px 14px;border-bottom:1px solid var(--ln)}dl.fx dt{font-weight:600}
dl.fx dd p{margin:.3em 0 0;color:var(--mu);font-size:.92rem}@media (max-width:560px){dl.fx{grid-template-columns:1fr}dl.fx dt{border-bottom:0;padding-bottom:0}}
sup a{text-decoration:none;font-size:.72em;font-weight:700;margin-left:1px}
.note{background:var(--soft);border-radius:var(--rad,10px);padding:12px 16px;margin:16px 0;font-size:.95rem}.src{font-size:.88rem;color:var(--mu)}.src li{margin:.3em 0;word-break:break-word}
.cl{columns:3 190px;padding:0;list-style:none}.cl li{padding:2px 0}
.ft{border-top:1px solid var(--ln);color:var(--mu);font-size:.9rem}.ft .w{padding-block:18px 30px}.ft a{color:var(--mu)}.thm{font:inherit;background:none;border:1px solid var(--ln);color:var(--mu);padding:2px 10px;border-radius:6px;cursor:pointer}
.ad{margin:22px 0;min-height:100px}:focus-visible{outline:3px solid var(--ac);outline-offset:2px}

.hd{border-bottom:1px solid var(--ln)}.lo{color:var(--ink);font:400 1.5rem DSD,serif}.lo i{font-style:normal;color:var(--ac)}.hd nav a{color:var(--mu)}h1,h2{font-weight:400}
.pair{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;margin:16px 0}.pair div{background:var(--cd);border:1px solid var(--ln);border-radius:14px;padding:16px 18px}
.pair b{display:block;font:400 2.5rem DSD,serif;color:var(--ac);line-height:1.05}.pair span{color:var(--mu);font-size:.92rem}