/* マモルHD TOPICS 記事ページ共通CSS */
:root{
  --primary:#1E6FB5; --primary-2:#4AA3E0; --accent:#1E6FB5; --accent-soft:#E8F3FC;
  --bg:#FFFFFF; --bg-soft:#F4FAFF; --line:#E3EDF6;
  --text:#0F2540; --text-sub:#5A6B7E;
  --gold:#C9A24B;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans JP",system-ui,sans-serif;
  color:var(--text); background:var(--bg); line-height:1.85; font-weight:400;
  -webkit-font-smoothing:antialiased;
}
.lat{font-family:"Inter",sans-serif;letter-spacing:.02em}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}

/* HEADER（簡略版） */
header{position:sticky;top:0;z-index:60;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.hdr{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{width:40px;height:40px;border-radius:11px;overflow:hidden;flex:none;box-shadow:0 4px 14px rgba(15,37,71,.18)}
.brand-mark img{width:100%;height:100%;display:block}
.brand-name{line-height:1.25}
.brand-name b{display:block;font-size:15px;font-weight:700;color:var(--text);letter-spacing:.02em}
.brand-name span{display:block;font-size:9.5px;font-weight:600;color:var(--text-sub);letter-spacing:.22em}
.hdr nav ul{display:flex;gap:24px;list-style:none;align-items:center}
.hdr nav a{font-size:14px;color:var(--text-sub);font-weight:500;transition:color .2s}
.hdr nav a:hover{color:var(--primary)}
.btn{display:inline-flex;align-items:center;gap:7px;font-weight:700;font-size:14px;padding:11px 22px;border-radius:999px;background:var(--primary);color:#fff;transition:transform .15s,box-shadow .2s;border:none;cursor:pointer}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 22px color-mix(in srgb,var(--primary) 40%,transparent)}
.btn.ghost{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}
.btn.ghost:hover{background:var(--accent-soft)}
.btn.lg{padding:15px 32px;font-size:15px}

/* BREADCRUMB */
.breadcrumb{padding:18px 24px;max-width:1120px;margin:0 auto;font-size:12.5px;color:var(--text-sub);letter-spacing:.05em}
.breadcrumb a{color:var(--text-sub);transition:color .2s}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{margin:0 8px;opacity:.5}
.breadcrumb .current{color:var(--text);font-weight:600}

/* TOPIC DETAIL LAYOUT */
.topic-detail{padding:24px 0 96px;background:var(--bg)}
.topic-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:54px;align-items:start}

/* ARTICLE */
.topic-article{min-width:0}
.topic-cat-row{display:flex;align-items:center;gap:14px;margin-bottom:22px;flex-wrap:wrap}
.topic-cat{font-family:"Inter",sans-serif;font-size:11.5px;font-weight:800;letter-spacing:.22em;color:var(--accent);padding:8px 14px;border:1.5px solid var(--accent);border-radius:999px;text-transform:uppercase}
.topic-date{font-family:"Inter",sans-serif;font-size:13.5px;color:var(--text-sub);font-weight:600;letter-spacing:.05em}
.topic-article h1{font-size:clamp(26px,3.6vw,38px);font-weight:900;line-height:1.35;color:var(--text);letter-spacing:.005em;margin-bottom:24px}
.topic-lead{font-size:17px;color:var(--text);font-weight:500;line-height:1.85;margin-bottom:34px;padding-left:18px;border-left:3px solid var(--primary)}
.topic-hero{margin:36px 0 44px;border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.topic-hero img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.topic-article h2{font-size:22px;font-weight:800;color:var(--text);margin:46px 0 18px;padding-bottom:14px;border-bottom:1px solid var(--line);letter-spacing:.005em;line-height:1.5}
.topic-article p{margin-bottom:18px;font-size:15.5px;color:var(--text);line-height:2}
.topic-article p strong{color:var(--primary);font-weight:700}
.topic-article ul{margin:14px 0 22px 4px;padding-left:22px}
.topic-article ul li{margin-bottom:9px;font-size:15px;color:var(--text);line-height:1.9}
.topic-article ul li::marker{color:var(--accent)}
.topic-quote{background:var(--bg-soft);border-left:4px solid var(--gold);padding:22px 26px;border-radius:0 10px 10px 0;margin:30px 0;font-size:15px;color:var(--text);line-height:1.9;position:relative}
.topic-quote::before{content:"";display:block;font-family:Georgia,serif;font-size:48px;color:var(--gold);position:absolute;top:-6px;left:14px;opacity:.3;line-height:1}
.topic-quote cite{display:block;margin-top:12px;font-size:13px;color:var(--text-sub);font-style:normal;font-weight:600}

/* SOURCE LINK */
.topic-source{margin-top:48px;padding:18px 22px;background:var(--bg-soft);border-radius:10px;font-size:13.5px;color:var(--text-sub);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;align-items:center}
.topic-source a{color:var(--primary);font-weight:700;border-bottom:1px dotted var(--primary)}

/* ARTICLE CTA */
.topic-cta{margin-top:54px;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;border-radius:18px;padding:38px 32px;text-align:center}
.topic-cta h3{font-size:22px;font-weight:900;margin-bottom:8px;color:#fff}
.topic-cta p{font-size:14px;opacity:.92;margin-bottom:22px;color:#fff;line-height:1.7}
.topic-cta .btn{background:#fff;color:var(--primary)}
.topic-cta .btn:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(0,0,0,.18)}

/* SIDE */
.topic-side{position:sticky;top:96px}
.topic-side h2{font-family:"Inter",sans-serif;font-size:12px;letter-spacing:.22em;color:var(--accent);font-weight:800;margin-bottom:16px;text-transform:uppercase}
.topic-side .related{display:grid;gap:14px;margin-bottom:30px}
.topic-side .related a{display:block;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff;transition:transform .2s,box-shadow .2s}
.topic-side .related a:hover{transform:translateY(-3px);box-shadow:0 12px 24px rgba(15,37,71,.10)}
.topic-side .related img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover}
.topic-side .related .ttl{padding:11px 13px 14px;font-size:13px;font-weight:700;color:var(--text);line-height:1.55}
.topic-side .related .meta{padding:0 13px 12px;font-size:11px;font-weight:700;letter-spacing:.18em;color:var(--accent);text-transform:uppercase}
.topic-side .back-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--primary);padding:10px 0;border-top:1px solid var(--line)}
.topic-side .back-link:hover{color:var(--accent)}

/* FOOTER */
footer{background:var(--text);color:color-mix(in srgb,#fff 72%,transparent);padding:48px 0 26px;margin-top:0}
.ft-top{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;padding-bottom:24px;border-bottom:1px solid color-mix(in srgb,#fff 14%,transparent)}
.ft .brand-name b{color:#fff}
.ft .brand-name span{color:color-mix(in srgb,#fff 60%,transparent)}
.ft nav ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.ft nav a{color:color-mix(in srgb,#fff 72%,transparent);font-size:13.5px;transition:color .2s}
.ft nav a:hover{color:#fff}
.ft-bottom{padding-top:22px;font-size:12px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

@media(max-width:880px){
  .topic-layout{grid-template-columns:1fr;gap:32px}
  .topic-side{position:static;border-top:1px solid var(--line);padding-top:32px}
  .hdr nav{display:none}
  .topic-article h1{font-size:24px}
  .topic-article h2{font-size:19px;margin:36px 0 14px}
  .topic-article p{font-size:14.5px}
  .topic-lead{font-size:15px}
  .topic-cta{padding:30px 22px}
}