/* ニュース一覧 (/topics/) 固有CSS */

/* ページヘッダー(他ページと同系) */
.page-head{position:relative;overflow:hidden;background:var(--navy);color:#fff}
.page-head::before{content:"";position:absolute;inset:0;
  background-image:url("/assets/images/hero-default.jpg");background-size:cover;background-position:center 40%;opacity:.30}
.page-head::after{content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(7,31,61,.92) 0%,rgba(11,46,89,.80) 55%,rgba(21,101,192,.40) 100%)}
.page-head .wrap{position:relative;z-index:1;padding:15px 20px 18px}
@media(min-width:880px){.page-head .wrap{padding:25px 20px 28px}}
.page-head .ph-sub{display:block;font-size:12px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--blue-light);margin-bottom:8px}
.page-head h1{font-size:28px;font-weight:900;line-height:1.3;letter-spacing:.02em}
@media(min-width:880px){.page-head h1{font-size:36px}}
.page-head .ph-lead{margin-top:16px;max-width:680px;font-size:14px;color:rgba(255,255,255,.88);line-height:1.85}
@media(min-width:880px){.page-head .ph-lead{font-size:15.5px}}

/* ニュースリスト */
.news-list{display:flex;flex-direction:column;gap:14px;max-width:860px;margin:0 auto}
.news-item{list-style:none}
.news-row{display:flex;align-items:center;gap:18px;background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:14px 18px;box-shadow:0 1px 3px rgba(11,46,89,.04);transition:transform .15s,box-shadow .15s}
a.news-row:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(7,31,61,.10);border-color:var(--blue-light)}
.news-thumb{flex:none;width:110px;aspect-ratio:16/11;border-radius:10px;overflow:hidden;background:var(--sky)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-main{flex:1;min-width:0}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.news-date{font-size:12.5px;font-weight:700;color:var(--blue);letter-spacing:.02em}
.news-cat{font-size:11px;font-weight:800;color:var(--navy);background:var(--sky);border:1px solid var(--line);padding:2px 10px;border-radius:999px}
.news-title{font-size:14.5px;font-weight:700;color:var(--navy);line-height:1.6}
.news-ext{flex:none;color:var(--blue)}
.news-empty{text-align:center;color:var(--ink-sub);padding:40px 0;font-size:15px}
@media(max-width:560px){
  .news-row{gap:13px;padding:12px 13px}
  .news-thumb{width:78px}
  .news-title{font-size:13.5px}
}

/* ===== ページネーション ===== */
.pager{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;margin:40px auto 0}
.pager-num,.pager-arrow{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:42px;
  padding:0 10px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--navy);
  font-size:14px;font-weight:800;transition:.15s}
a.pager-num:hover,a.pager-arrow:hover{border-color:var(--blue);background:var(--sky);color:var(--blue)}
.pager-num.current{background:var(--navy);color:#fff;border-color:var(--navy)}
.pager-arrow.disabled{opacity:.35;pointer-events:none}

/* ===== ニュース／実績 詳細ページ ===== */
.detail-wrap{max-width:860px;margin:0 auto}
.detail-back{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:var(--blue);margin-bottom:22px}
.detail-back:hover{color:var(--navy)}
.detail{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px 24px 30px;box-shadow:0 4px 16px rgba(7,31,61,.05)}
@media(min-width:760px){.detail{padding:36px 40px 40px}}
.detail-meta{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.detail-date{font-size:13px;font-weight:700;color:var(--blue);letter-spacing:.02em}
.detail-cat{font-size:11.5px;font-weight:800;color:var(--navy);background:var(--sky);border:1px solid var(--line);padding:3px 12px;border-radius:999px}
.detail-title{font-size:22px;font-weight:900;color:var(--navy);line-height:1.5;letter-spacing:.01em}
@media(min-width:760px){.detail-title{font-size:26px}}
.detail-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.detail-tag{font-size:12.5px;font-weight:700;color:var(--navy);background:var(--sky);border:1px solid var(--line);padding:5px 13px;border-radius:999px}
.detail-hero{margin-top:22px;border-radius:14px;overflow:hidden;background:var(--sky)}
.detail-hero img{width:100%;display:block}
.detail-body{margin-top:24px;font-size:15px;line-height:2;color:var(--ink)}
.detail-body p{margin-bottom:16px}
.detail-body img{max-width:100%;height:auto;border-radius:10px;margin:14px 0}
.detail-note{margin-top:24px;font-size:14.5px;color:var(--ink-sub);line-height:1.9}
.detail-extlink{margin-top:26px}
.detail-extlink .btn{display:inline-flex;align-items:center;gap:8px}

/* 前後ナビ */
.detail-nav{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}
.dn-item{display:flex;flex-direction:column;gap:6px;background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:14px 16px;transition:.15s;min-height:64px;justify-content:center}
a.dn-item:hover{border-color:var(--blue);background:var(--sky)}
.dn-empty{visibility:hidden;border:0;background:none}
.dn-lbl{display:flex;align-items:center;gap:5px;font-size:12px;font-weight:800;color:var(--blue)}
.dn-next{text-align:right;align-items:flex-end}
.dn-next .dn-lbl{flex-direction:row-reverse}
.dn-ttl{font-size:13px;font-weight:700;color:var(--navy);line-height:1.5}
@media(max-width:560px){.detail-title{font-size:19px}}