:root{--ink:#1E2033;--main:#3E437B;--mark:#728329;--bg:#F7F8F3;--rule:#D5D8CB;--mute:#676A7A;--onmain:#F7F8F3;--axis:120px}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"IBM Plex Sans JP",sans-serif;font-size:17px;line-height:1.85}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.num{font-family:"IBM Plex Mono",monospace;font-variant-numeric:tabular-nums}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}


.site{background:var(--bg);border-bottom:1px solid var(--ink)}
.site .wrap{display:flex;align-items:baseline;justify-content:space-between;gap:20px;padding-top:20px;padding-bottom:14px;flex-wrap:wrap}
.brand{font-size:22px;font-weight:700;color:var(--main);letter-spacing:.02em}
.brand small{font-size:13px;font-weight:400;color:var(--mute);margin-left:14px;letter-spacing:0}
.filters{display:flex;gap:18px;font-size:14px;flex-wrap:wrap}
.filters a{color:var(--mute)}
.filters a b{font-family:"IBM Plex Mono",monospace;font-weight:500;color:var(--main);margin-left:4px}
.filters a.on{color:var(--ink);font-weight:600;border-bottom:2px solid var(--main)}


.split{background:linear-gradient(90deg,var(--main) 0,var(--main) calc(50% - var(--axis)/2),var(--bg) calc(50% - var(--axis)/2))}
.cols{display:grid;grid-template-columns:1fr var(--axis) 1fr;max-width:1200px;margin:0 auto}
.colhead{padding:26px 24px 10px;font-size:13px;letter-spacing:.16em;font-weight:600}
.colhead.l{color:var(--onmain);opacity:.75;text-align:right}
.colhead.c{color:var(--mute);text-align:center;padding-left:0;padding-right:0}
.colhead.r{color:var(--mute)}
.claim{grid-column:1;padding:30px 36px 30px 24px;color:var(--onmain);text-align:right;border-top:1px solid rgba(247,248,243,.22);display:block}
.claim .cat{margin:0 0 8px;font-size:13px;letter-spacing:.08em;opacity:.8}
.claim h2{margin:0;font-size:22px;line-height:1.6;font-weight:700}
.claim h2 small{font-weight:400;opacity:.7;font-size:14px}
.claim:hover h2{text-decoration:underline;text-underline-offset:5px}
.when{grid-column:2;border-top:1px solid var(--rule);padding:32px 0 0;text-align:center;background:var(--bg)}
.when b{display:block;font-size:24px;font-weight:500;line-height:1.1;color:var(--main)}
.when span{display:block;font-size:13px;color:var(--mute)}
.when i{display:block;margin-top:10px;font-style:normal;font-size:12px;color:var(--mark)}
.found{grid-column:3;padding:30px 24px 30px 36px;border-top:1px solid var(--rule)}
.found p{margin:0;font-size:16px}
.found p.none{color:var(--mute)}
.found img{margin-top:16px;aspect-ratio:16/7;object-fit:cover;width:100%}
.lead.claim{padding-top:44px;padding-bottom:48px}
.lead.claim h2{font-size:34px;line-height:1.5}
.lead.when{padding-top:50px}
.lead.when b{font-size:32px}
.lead.found{padding-top:44px;padding-bottom:48px}
.lead.found p{font-size:18px}
.endrow{grid-column:1/-1;height:64px}
.note{background:var(--bg);border-top:1px solid var(--ink)}
.note p{margin:0;padding:16px 0;font-size:13px;color:var(--mute);text-align:center}


.ahead{background:linear-gradient(90deg,var(--main) 0,var(--main) 58%,var(--bg) 58%)}
.ahead .in{display:grid;grid-template-columns:58% 42%;max-width:1200px;margin:0 auto}
.ahead .t{padding:48px 44px 52px 24px;color:var(--onmain)}
.ahead .t .cat{margin:0 0 12px;font-size:13px;letter-spacing:.16em;opacity:.8}
.ahead h1{margin:0;font-size:33px;line-height:1.5;font-weight:700}
.ahead .f{padding:48px 24px 40px 40px}
.ahead .f .lab{margin:0 0 10px;font-size:13px;letter-spacing:.16em;color:var(--mute);font-weight:600}
.ahead .f p.e{margin:0 0 22px;font-size:16px}
.facts{display:grid;grid-template-columns:1fr 1fr 1fr;margin:0;border-top:1px solid var(--ink)}
.facts div{padding:10px 0}
.facts dt{font-family:"IBM Plex Sans JP",sans-serif;font-size:12px;letter-spacing:.1em;color:var(--mute)}
.facts dd{margin:0;font-size:15px}
.article{max-width:768px;padding-top:44px;padding-bottom:80px}
.hero{width:100%;aspect-ratio:16/8;object-fit:cover;margin-bottom:36px}
.article-body{counter-reset:sec}
.article-body p{margin:0 0 1.5em}
.article-body h2{counter-increment:sec;font-size:23px;line-height:1.55;margin:2.6em 0 1em;padding-top:18px;border-top:1px solid var(--ink)}
.article-body h2::before{content:counter(sec,decimal-leading-zero);display:block;font-family:"IBM Plex Mono",monospace;font-size:14px;font-weight:500;color:var(--mark);margin-bottom:4px}
.article-body h3{font-size:19px;margin:2em 0 .8em;color:var(--main)}
.article-body a{color:var(--main);text-decoration:underline;text-underline-offset:4px}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.5em}
.article-body li{margin-bottom:.4em}
.article-body figure{margin:2em 0}
.article-body figcaption{font-size:13px;color:var(--mute);margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;line-height:1.6;margin:1.5em 0 .6em;font-variant-numeric:tabular-nums}
.article-body caption{text-align:left;font-weight:600;font-size:15px;padding-bottom:10px}
.article-body th{text-align:left;font-weight:600;font-size:13px;letter-spacing:.04em;color:var(--onmain);background:var(--main);padding:9px 12px}
.article-body td{border-bottom:1px solid var(--rule);padding:10px 12px;vertical-align:top}
.article-body .source{font-size:13px;line-height:1.7;color:var(--mute)}
.article-body .source a{color:var(--mute)}
.nextlabel{max-width:1200px;margin:0 auto;padding:0 24px 12px;font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--mute)}

footer{border-top:1px solid var(--rule);padding:28px 0 40px;font-size:13px;color:var(--mute);background:var(--bg)}
footer .wrap{display:flex;gap:24px;flex-wrap:wrap}

@media(max-width:820px){
  body{font-size:16px}
  .brand small{display:block;margin:2px 0 0}
  .split{background:var(--bg)}
  .cols{grid-template-columns:1fr}
  .colhead{display:none}
  .claim,.when,.found{grid-column:1}
  .claim{background:var(--main);text-align:left;padding:22px 20px;border-top:0;margin-top:18px}
  .claim h2{font-size:19px}
  .lead.claim{margin-top:0;padding:28px 20px}
  .lead.claim h2{font-size:24px}
  .when,.lead.when{display:flex;gap:10px;align-items:baseline;text-align:left;padding:12px 20px 0;border-top:0}
  .when b,.lead.when b{font-size:18px;display:inline}
  .when span,.when i{display:inline;margin:0}
  .found,.lead.found{padding:8px 20px 8px;border-top:0}
  .lead.found p{font-size:16px}
  .endrow{height:32px}
  .ahead{background:var(--bg)}
  .ahead .in{grid-template-columns:1fr}
  .ahead .t{background:var(--main);padding:30px 20px}
  .ahead h1{font-size:24px}
  .ahead .f{padding:22px 20px 8px}
  .article{padding-top:24px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
}


.arch-head{padding-top:30px;padding-bottom:6px}
.more-link{max-width:1200px;margin:0 auto;padding:18px 24px;text-align:center;font-size:14px;font-weight:600;color:var(--main)}
.more-link a:hover{text-decoration:underline}
.tsk-pager{padding:0 0 24px}


.tsk-pager{margin:40px 0 0}
.tsk-pager ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0}
.tsk-pager a,.tsk-pager span{display:block;min-width:42px;padding:8px 12px;text-align:center;border:1px solid var(--rule);font-size:14px;line-height:1.4}
.tsk-pager .current{background:var(--main);border-color:var(--main);color:#fff}
.tsk-pager a:hover{border-color:var(--main);color:var(--main)}
.tsk-disclaimer{margin:48px 0 0;padding-top:16px;border-top:1px solid var(--rule);font-size:13px;line-height:1.75;color:var(--mute,var(--sub))}
.tsk-page{max-width:800px;margin:0 auto;padding:44px 24px 80px}
.tsk-page h1{margin:0 0 24px;font-size:28px;line-height:1.5}
.tsk-page .article-body,.tsk-page .entry{font-size:inherit}
.tsk-page p{margin:0 0 1.5em}
.tsk-arch-h{margin:0 0 6px;font-size:26px;line-height:1.5}
.tsk-arch-d{margin:0 0 24px;font-size:14px;color:var(--mute,var(--sub))}
.tsk-empty{padding:24px 0;color:var(--mute,var(--sub))}
.tsk-search{display:flex;max-width:480px;margin:18px 0 0;border:1px solid var(--rule);background:#fff}
.tsk-search input{flex:1;min-width:0;border:0;padding:10px 12px;font:inherit;font-size:15px}
.tsk-search button{border:0;background:var(--main);color:#fff;font:inherit;font-size:14px;padding:0 16px;cursor:pointer}
.screen-reader-text{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(1px,1px,1px,1px)}
.article-body img{max-width:100%;height:auto}