:root{
  --red:#D3302F; --red-d:#a92322; --dark:#2b2b2b; --dark2:#3a3a3a;
  --ink:#222; --gray:#5b6675; --line:#e5e5e5; --soft:#f6f6f6; --soft2:#fafafa;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:#fff;color:var(--ink);
  font-family:"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic","Yu Gothic Medium",Meiryo,"Noto Sans JP",sans-serif;
  font-size:15px;line-height:1.85}
a{color:inherit;text-decoration:none}
a:hover{color:var(--red)}
img{max-width:100%;display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 14px}
.top{background:var(--dark);color:#cfcfcf;font-size:12px}
.top .wrap{display:flex;justify-content:space-between;align-items:center;height:32px;gap:10px}
.top span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hed{background:#fff;border-top:4px solid var(--red);border-bottom:1px solid var(--line)}
.hed .row{display:flex;align-items:center;gap:18px;padding:12px 0}
.logo img{height:42px;width:auto}
.nav{margin-left:auto}
.nav ul{display:flex;flex-wrap:wrap;gap:2px;list-style:none;margin:0;padding:0}
.nav a{display:block;padding:7px 11px;font-size:13.5px;font-weight:700;color:#333;border-radius:3px}
.nav a:hover{background:var(--red);color:#fff}
.main{display:flex;gap:26px;align-items:flex-start;padding:20px 0}
.main>div{flex:1;min-width:0}
.side{width:320px;flex:0 0 320px}
h1{font-size:23px;line-height:1.4;margin:6px 0 10px;color:#111}
h2.sec{font-size:17px;margin:26px 0 12px;padding:6px 0 6px 12px;border-left:5px solid var(--red);
  border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:baseline;gap:10px}
h2.sec a{font-size:12.5px;font-weight:400;color:var(--red)}
.crumb{font-size:12.5px;color:var(--gray);margin:4px 0 2px}
.crumb a{color:var(--red)}
.hero{display:flex;gap:22px;background:var(--soft);border:1px solid var(--line);border-radius:4px;overflow:hidden;margin:18px 0 6px}
.hero .txt{flex:1;padding:22px 20px}
.hero .txt h1{font-size:22px;margin:0 0 10px}
.hero .txt p{margin:0 0 14px;font-size:14px;color:#444}
.hero .art{flex:0 0 44%;max-width:44%}
.hero .art img{width:100%;height:100%;min-height:220px;object-fit:cover}
.btn{display:inline-block;background:var(--red);color:#fff;font-size:13px;font-weight:700;padding:9px 16px;border-radius:3px}
.btn:hover{background:var(--red-d);color:#fff}
.hero .txt .btn{background:var(--red);font-size:13px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{border:1px solid var(--line);border-radius:4px;overflow:hidden;background:#fff;display:flex;flex-direction:column}
.card .ph{height:118px;background-size:cover;background-position:center;background-color:var(--soft)}
.card .bd{padding:10px 11px}
.card .tag{display:inline-block;background:var(--red);color:#fff;font-size:10.5px;padding:2px 7px;border-radius:2px;margin-bottom:6px}
.card h3{font-size:14px;line-height:1.5;margin:0 0 6px;font-weight:700}
.card p{font-size:12.5px;color:var(--gray);margin:0;line-height:1.7}
/* dense news list */
.nlist{margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}
.nrow{display:flex;gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}
.nrow .thumb{flex:0 0 128px;width:128px;height:84px;background-size:cover;background-position:center;background-color:var(--soft);border-radius:3px}
.nrow .nb{flex:1;min-width:0}
.nrow .nb .meta{font-size:11.5px;color:var(--gray);margin-bottom:3px;display:flex;gap:8px;flex-wrap:wrap}
.nrow .nb .meta .cat{background:var(--red);color:#fff;padding:1px 6px;border-radius:2px}
.nrow .nb h3{font-size:14.5px;line-height:1.5;margin:0 0 4px}
.nrow .nb p{margin:0;font-size:12.5px;color:var(--gray);line-height:1.65}
/* sidebar */
.side .box{border:1px solid var(--line);border-radius:4px;margin-bottom:18px;overflow:hidden;background:#fff}
.side .box>h4{margin:0;background:var(--dark);color:#fff;font-size:13.5px;padding:9px 12px;border-left:5px solid var(--red)}
.rank{list-style:none;margin:0;padding:0}
.rank li{display:flex;gap:10px;padding:10px 12px;border-bottom:1px solid var(--line);align-items:flex-start}
.rank li:last-child{border-bottom:0}
.rank .num{flex:0 0 22px;height:22px;line-height:22px;text-align:center;background:var(--soft);color:var(--dark);border-radius:3px;font-size:12px;font-weight:700}
.rank li:nth-child(1) .num{background:var(--red);color:#fff}
.rank li:nth-child(2) .num{background:var(--dark);color:#fff}
.rank li:nth-child(3) .num{background:var(--dark2);color:#fff}
.rank .rt{font-size:13px;line-height:1.5;flex:1}
.rank .rt span{display:block;font-size:11px;color:var(--gray);margin-top:3px}
.plist{list-style:none;margin:0;padding:0}
.plist a{display:block;padding:9px 12px;border-bottom:1px solid var(--line);font-size:13px}
.plist a:last-child{border-bottom:0}
.pbox{padding:12px;font-size:12.5px;color:#444;line-height:1.8;background:var(--soft2)}
.catlist{list-style:none;margin:0;padding:0}
.catlist a{display:flex;justify-content:space-between;padding:8px 12px;border-bottom:1px solid var(--line);font-size:13px}
.catlist a:last-child{border-bottom:0}
.catlist span{color:var(--gray);font-size:12px}
/* article body */
.art-body{font-size:15px;line-height:1.95}
.art-body p{margin:0 0 15px}
.art-body .leadb{background:var(--soft);border-left:4px solid var(--red);padding:12px 14px;font-size:14.5px;color:#333}
.art-body h2{font-size:18px;margin:28px 0 12px;padding:4px 0 4px 11px;border-left:5px solid var(--red);border-bottom:1px solid var(--line)}
.art-body h3{font-size:15.5px;margin:20px 0 8px;color:var(--red-d)}
.art-body ul,.art-body ol{margin:0 0 16px;padding-left:0;list-style:none}
.art-body ul li{position:relative;padding:6px 0 6px 22px;border-bottom:1px dashed var(--line);font-size:14.5px}
.art-body ul li:before{content:"■";position:absolute;left:2px;color:var(--red);font-size:11px;top:9px}
.article-table-wrap{overflow-x:auto;margin:0 0 18px}
.article-table{width:100%;border-collapse:collapse;font-size:13.5px}
.article-table th{background:var(--dark);color:#fff;text-align:left;padding:9px 11px;border:1px solid var(--dark2);font-weight:700}
.article-table td{padding:9px 11px;border:1px solid var(--line);vertical-align:top}
.article-table tr:nth-child(even) td{background:var(--soft2)}
.art-meta{font-size:12.5px;color:var(--gray);margin:6px 0 12px;display:flex;gap:10px;flex-wrap:wrap}
.art-meta .cat{background:var(--red);color:#fff;padding:2px 8px;border-radius:2px}
.art-cover{width:100%;border-radius:4px;margin:6px 0 16px}
.art-fig{margin:0 0 18px}
.art-fig img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:4px}
.rg{background:var(--soft);border:1px solid var(--line);padding:12px 14px;font-size:12.5px;color:#555;border-radius:4px;margin:18px 0}
.rg b{color:var(--red-d)}
footer{background:var(--dark);color:#bdbdbd;margin-top:34px;font-size:13px}
footer .wrap{padding:26px 14px 30px}
footer a{color:#e6e6e6}
footer a:hover{color:#fff}
.fmenu{display:flex;gap:8px 16px;flex-wrap:wrap;margin-bottom:16px;line-height:2}
.fnote{font-size:12px;color:#9a9a9a;border-top:1px solid #444;padding-top:14px;margin-top:6px;line-height:1.8}
.pgn{display:flex;gap:8px;justify-content:center;margin:22px 0 4px}
.pgn span,.pgn a{border:1px solid var(--line);padding:6px 12px;border-radius:3px;font-size:13px}
.pgn .cur{background:var(--red);color:#fff;border-color:var(--red)}
@media(max-width:900px){
  .main{flex-direction:column}
  .side{width:100%;flex:1 1 auto}
  .cards{grid-template-columns:repeat(2,1fr)}
  .hero{flex-direction:column}
  .hero .art{max-width:100%;flex:1 1 auto}
  .nav{margin-left:0;width:100%}
  .hed .row{flex-wrap:wrap}
  .nrow .thumb{flex:0 0 104px;width:104px;height:70px}
}
@media(max-width:560px){
  .cards{grid-template-columns:1fr}
  .nrow .thumb{flex:0 0 92px;width:92px;height:64px}
}