/* ===== コラム・お知らせ タブ ===== */
.tabs{display:flex;border-bottom:1px solid var(--border);margin-bottom:36px;}
.tab{padding:14px 28px;font-size:14px;letter-spacing:.1em;color:var(--text-light);border-bottom:2px solid transparent;margin-bottom:-1px;transition:color .25s,border-color .25s;}
.tab:hover{color:var(--gold);}
.tab.active{color:var(--navy);border-bottom-color:var(--gold);font-weight:500;}
.tag-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px;}
.tag-chip{font-family:inherit;font-size:12px;letter-spacing:.06em;padding:7px 15px;border:1px solid var(--border);border-radius:20px;color:var(--text-light);background:#fff;cursor:pointer;transition:all .2s;}
.tag-chip:hover{border-color:var(--gold-light);color:var(--gold);}
.tag-chip.active{border-color:var(--gold);color:var(--gold);background:#fff;}
.col-item{align-items:flex-start;}
.col-item .news-date{padding-top:2px;}
.col-item .news-tag{margin-top:2px;}
.col-item .news-title{display:block;}
.col-desc{display:block;font-size:12.5px;color:var(--text-light);font-weight:400;margin-top:6px;line-height:1.75;}
.col-item.hidden{display:none;}

/* ===== 記事ページ ===== */
.page-hero .article-meta{font-family:'Inter',sans-serif;font-size:12.5px;letter-spacing:.06em;color:rgba(255,255,255,.7);margin-top:20px;}
.article-sec{padding:64px 0 96px;}
.article-wrap{max-width:800px;}
.tags-line{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px;}
.tags-line .tag{font-size:11.5px;letter-spacing:.08em;color:var(--gold);border:1px solid var(--gold-light);border-radius:2px;padding:3px 12px;}
.pair-link{font-size:13px;margin-bottom:18px;}
.pair-link a{color:var(--gold);}
.draft-badge{display:inline-block;background:#b91c1c;color:#fff;font-size:12px;letter-spacing:.1em;padding:4px 12px;margin-bottom:16px;}
.article{font-size:16px;line-height:2;color:var(--text);}
.article h2{font-family:'Shippori Mincho',serif;font-size:24px;font-weight:600;line-height:1.5;color:var(--navy);margin:60px 0 22px;padding-bottom:12px;border-bottom:1px solid var(--border);}
.article h3{font-size:18px;font-weight:500;line-height:1.5;color:var(--navy);margin:42px 0 14px;padding-left:14px;border-left:3px solid var(--gold);}
.article h4{font-size:16px;font-weight:700;color:var(--navy);margin:30px 0 10px;}
.article p{margin:0 0 24px;}
.article ul,.article ol{margin:0 0 24px 1.5em;}
.article li{margin-bottom:8px;}
.article li>ul,.article li>ol{margin:8px 0 0 1.2em;}
.article table{width:100%;border-collapse:collapse;margin:6px 0 30px;font-size:14px;line-height:1.7;}
.article th,.article td{border:1px solid var(--border);padding:10px 13px;text-align:left;vertical-align:top;}
.article th{background:var(--bg-gray);font-weight:500;white-space:nowrap;}
.article blockquote{margin:0 0 26px;padding:18px 22px;background:var(--bg-gray);border-left:3px solid var(--gold);font-size:15px;}
.article blockquote p:last-child{margin-bottom:0;}
.article code{font-family:'Inter',Consolas,monospace;font-size:13.5px;background:var(--bg-gray);padding:2px 6px;border-radius:3px;}
.article pre{background:var(--navy);color:#fff;padding:18px 22px;border-radius:4px;overflow-x:auto;font-size:13.5px;line-height:1.75;margin:0 0 26px;}
.article pre code{background:none;color:inherit;padding:0;font-family:Consolas,'Inter',monospace;}
.article a{color:var(--gold);text-decoration:underline;text-underline-offset:3px;}
.article a:hover{color:var(--gold-light);}
.article img{max-width:100%;height:auto;display:block;margin:0 auto 26px;}
.article strong{font-weight:700;color:var(--navy);}
.article hr{border:none;border-top:1px solid var(--border);margin:44px 0;}
.points{background:var(--bg-gray);padding:22px 26px;margin:0 0 34px;border-radius:4px;}
.points h2{font-family:'Noto Sans JP',sans-serif;font-size:13px;letter-spacing:.16em;color:var(--gold);margin:0 0 12px;padding:0;border:none;}
.points ul{margin:0 0 0 1.2em;}
.points li{font-size:15px;margin-bottom:6px;line-height:1.8;}
.toc{border:1px solid var(--border);padding:20px 26px;margin:0 0 40px;font-size:14px;line-height:1.7;}
.toc-title{font-size:12px;letter-spacing:.18em;color:var(--gold);margin-bottom:10px;}
.toc ol{margin:0 0 0 1.3em;}
.toc li{margin-bottom:6px;}
.toc ol ol{margin-top:6px;font-size:13px;color:var(--text-light);}
.toc a{color:var(--navy);text-decoration:none;}
.toc a:hover{color:var(--gold);}
.faq-block{margin-top:56px;}
.faq-block h2{margin-top:0;}
.faq-q{margin-bottom:26px;}
.faq-q h3{margin-top:0;}
.faq-q p{margin-bottom:0;}
.disclaimer{font-size:12.5px;color:var(--text-light);line-height:1.8;border-top:1px solid var(--border);padding-top:18px;margin-top:52px;}
.author-box{display:flex;gap:24px;align-items:flex-start;background:var(--bg-gray);padding:26px 28px;margin:40px 0 28px;border-radius:4px;}
.author-box img{width:92px;height:92px;object-fit:cover;object-position:top;border-radius:50%;flex-shrink:0;}
.author-label{font-size:11px;letter-spacing:.16em;color:var(--gold);margin-bottom:6px;}
.author-name{font-family:'Shippori Mincho',serif;font-size:19px;color:var(--navy);}
.author-title{font-size:12.5px;color:var(--gold);margin:2px 0 8px;}
.author-bio{font-size:13.5px;color:var(--text-light);line-height:1.8;margin:0;}
.author-bio a{color:var(--gold);}
.book-card{display:flex;gap:20px;align-items:center;justify-content:space-between;border:1px solid var(--border);padding:20px 26px;margin:0 0 28px;border-radius:4px;transition:background .25s;}
.book-card:hover{background:var(--bg-gray);}
.book-label{font-size:11px;letter-spacing:.16em;color:var(--gold);}
.book-title{font-size:15px;font-weight:500;color:var(--navy);margin:4px 0;}
.book-card p{font-size:13px;color:var(--text-light);margin:0;line-height:1.7;}
.cta-card{background:var(--navy);color:#fff;padding:40px 32px;border-radius:4px;text-align:center;margin:0 0 20px;}
.cta-card h3{font-family:'Shippori Mincho',serif;font-size:20px;font-weight:600;line-height:1.6;color:#fff;margin:0 0 12px;}
.cta-card p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.8);margin:0 0 22px;}
.cta-btn{display:inline-block;background:var(--gold);color:#fff;padding:14px 38px;font-size:14px;letter-spacing:.14em;transition:background .25s,color .25s;}
.cta-btn:hover{background:var(--gold-light);color:var(--navy);}
.related{margin-top:56px;}
.related h2{font-size:13px;letter-spacing:.18em;color:var(--gold);margin-bottom:6px;}
@media(max-width:600px){
  .article{font-size:15px;line-height:1.95;}
  .article h2{font-size:21px;margin-top:48px;}
  .article h3{font-size:16.5px;}
  .author-box{flex-direction:column;gap:14px;}
  .tab{padding:12px 18px;font-size:13px;}
  .cta-card{padding:32px 22px;}
  .col-item .news-title{flex-basis:100%;}
}