:root{--ink:#1B2430;--main:#285B98;--mark:#9E761C;--hl:rgba(158,118,28,.22);--bg:#F7F9FC;--rule:#D5DEEA;--mute:#5F6B7A;--paper:#fff}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Zen Kaku Gothic New",sans-serif;font-size:17px;line-height:1.9;font-weight:500}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.tn{font-variant-numeric:tabular-nums}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}


.site{background:var(--paper);border-bottom:1px solid var(--rule)}
.site .wrap{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;padding-top:18px;padding-bottom:18px}
.brand{font-size:24px;font-weight:900;color:var(--main);letter-spacing:.06em;line-height:1.3}
.brand small{display:block;font-size:12.5px;font-weight:500;color:var(--mute);letter-spacing:.02em}
.nav{display:flex;gap:22px;font-size:15px;font-weight:700;flex-wrap:wrap}
.nav a:hover{color:var(--main)}


.cat{display:inline-block;font-size:12.5px;font-weight:700;color:var(--mark);letter-spacing:.06em}
.meta{font-size:13px;color:var(--mute)}
.sec{margin:0 0 18px;font-size:18px;font-weight:900;color:var(--main);padding-bottom:10px;border-bottom:2px solid var(--main)}


main.home{padding-top:32px;padding-bottom:72px}
.feature{display:grid;grid-template-columns:1.2fr 1fr;background:var(--paper);border:1px solid var(--rule);border-radius:10px;overflow:hidden;margin-bottom:44px}
.feature img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover}
.feature>div{padding:30px 32px;display:flex;flex-direction:column;justify-content:center}
.feature h1{margin:6px 0 12px;font-size:25px;line-height:1.55;font-weight:900}
.feature p{margin:0 0 14px;font-size:15px;line-height:1.85;color:#3d4653}
.feature:hover h1{color:var(--main)}
.cols{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:40px;align-items:start}
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.card{background:var(--paper);border:1px solid var(--rule);border-radius:10px;overflow:hidden;display:flex;flex-direction:column}
.card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.card>div{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.card h3{margin:4px 0 8px;font-size:17px;line-height:1.6;font-weight:700}
.card p{margin:0 0 12px;font-size:14px;line-height:1.75;color:#3d4653;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card .meta{margin-top:auto}
.card:hover h3{color:var(--main)}
.side{position:sticky;top:20px}
.catlist{list-style:none;margin:0;padding:0;background:var(--paper);border:1px solid var(--rule);border-radius:10px}
.catlist li a{display:flex;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--rule);font-size:15px;font-weight:700}
.catlist li:last-child a{border-bottom:0}
.catlist li a span{font-size:13px;font-weight:500;color:var(--mute)}
.catlist li a:hover{color:var(--main)}


main.post{max-width:800px;margin:0 auto;padding:36px 24px 80px}
.post-head h1{margin:6px 0 10px;font-size:31px;line-height:1.5;font-weight:900}
.hero{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:10px;margin:22px 0 28px}
.toc{background:var(--paper);border:1px solid var(--rule);border-radius:10px;padding:16px 22px;margin-bottom:36px}
.toc p{margin:0 0 6px;font-weight:900;color:var(--main)}
.toc ol{margin:0;padding-left:1.3em;font-size:15px}
.toc li a:hover{color:var(--main);text-decoration:underline}
.article-body p{margin:0 0 1.5em}
.article-body h2{font-size:23px;line-height:1.55;font-weight:900;margin:2.6em 0 1em;padding:10px 16px;background:#EAF0F8;border-left:5px solid var(--main);border-radius:0 6px 6px 0}
.article-body h3{font-size:19px;font-weight:700;margin:2em 0 .8em;padding-bottom:6px;border-bottom:2px solid var(--rule)}
.article-body strong{font-weight:700;background:linear-gradient(transparent 60%,var(--hl) 60%)}
.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:1.65;margin:1.5em 0 .6em;background:var(--paper)}
.article-body caption{text-align:left;font-weight:700;font-size:15px;padding-bottom:10px}
.article-body th{background:var(--main);color:#fff;font-weight:700;text-align:left;padding:10px 12px;border:1px solid var(--main)}
.article-body td{padding:10px 12px;border:1px solid var(--rule);vertical-align:top}
.article-body .source{font-size:13px;line-height:1.7;color:var(--mute)}
.article-body .source a{color:var(--mute)}
.related{margin-top:56px}

footer{border-top:1px solid var(--rule);background:var(--paper);padding:24px 0 36px;font-size:13px;color:var(--mute)}
footer .wrap{display:flex;gap:24px;flex-wrap:wrap}

@media(max-width:900px){
  .cols{grid-template-columns:1fr}
  .side{position:static}
}
@media(max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .brand{font-size:21px}
  .nav{gap:14px;font-size:14px}
  main.home{padding-top:20px}
  .feature{grid-template-columns:1fr;margin-bottom:32px}
  .feature>div{padding:18px 18px 20px}
  .feature h1{font-size:20px}
  .cards{grid-template-columns:1fr;gap:16px}
  main.post{padding:24px 16px 56px}
  .post-head h1{font-size:23px}
  .article-body h2{font-size:20px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
}


.noimg{display:block;width:100%;aspect-ratio:16/9;background:#EAF0F8}
.feature .noimg{height:100%;aspect-ratio:16/10}
.more{margin:24px 0 0;text-align:right;font-weight:700;color:var(--main)}
.more a:hover{text-decoration:underline}


.spui-pager{margin:40px 0 0}
.spui-pager ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0}
.spui-pager a,.spui-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}
.spui-pager .current{background:var(--main);border-color:var(--main);color:#fff}
.spui-pager a:hover{border-color:var(--main);color:var(--main)}
.spui-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))}
.spui-page{max-width:800px;margin:0 auto;padding:44px 24px 80px}
.spui-page h1{margin:0 0 24px;font-size:28px;line-height:1.5}
.spui-page .article-body,.spui-page .entry{font-size:inherit}
.spui-page p{margin:0 0 1.5em}
.spui-arch-h{margin:0 0 6px;font-size:26px;line-height:1.5}
.spui-arch-d{margin:0 0 24px;font-size:14px;color:var(--mute,var(--sub))}
.spui-empty{padding:24px 0;color:var(--mute,var(--sub))}
.spui-search{display:flex;max-width:480px;margin:18px 0 0;border:1px solid var(--rule);background:#fff}
.spui-search input{flex:1;min-width:0;border:0;padding:10px 12px;font:inherit;font-size:15px}
.spui-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}