/* /blog/ 一覧・記事 */
.bhero,.phead{background:var(--navy);color:#fff;padding:64px 0 52px;position:relative;overflow:hidden;}
.bhero::after,.phead::after{content:"";position:absolute;right:-90px;top:-90px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(43,107,228,.35),transparent 70%);}
.bhero .kicker,.phead .kicker{font-family:var(--lat);font-size:12px;font-weight:800;letter-spacing:.2em;color:#8fb4f5;display:inline-flex;align-items:center;gap:10px;position:relative;}
.bhero .kicker::before,.phead .kicker::before{content:"";width:24px;height:2px;background:#8fb4f5;}
.phead .kicker time{font-family:var(--lat);letter-spacing:.06em;color:#cdd6e4;}
.bhero h1{font-size:clamp(28px,5vw,44px);font-weight:900;line-height:1.35;margin:18px 0 12px;position:relative;}
.bhero .lead{font-size:15.5px;color:#cdd6e4;line-height:1.95;max-width:640px;position:relative;}
.ynav{display:flex;gap:8px;flex-wrap:wrap;margin-top:26px;position:relative;}
.ynav a{display:inline-flex;align-items:center;min-height:36px;padding:0 14px;border-radius:999px;border:1px solid rgba(255,255,255,.35);color:#fff;font-family:var(--lat);font-size:13.5px;font-weight:800;background:rgba(255,255,255,.06);transition:.2s;}
.ynav a:hover{background:#fff;color:var(--navy);}

.blist{padding:56px 0 24px;}
.byear{margin-bottom:56px;}
.byear h2{display:flex;align-items:baseline;gap:12px;font-family:var(--lat);font-size:28px;font-weight:900;color:var(--navy);margin-bottom:22px;padding-bottom:12px;border-bottom:2px solid var(--navy);}
.byear h2 small{font-family:var(--sans);font-size:12.5px;font-weight:700;color:var(--muted);}
.bgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.bcard{display:block;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.25s;}
.bcard:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(22,34,58,.12);border-color:rgba(43,107,228,.35);}
.bph{aspect-ratio:16/9;background:var(--tint);overflow:hidden;}
.bph img{width:100%;height:100%;object-fit:cover;display:block;}
.bph .noimg{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-family:var(--lat);font-size:28px;font-weight:900;letter-spacing:.1em;color:#c9d3e3;background:linear-gradient(135deg,#eef2f8,#dfe6f1);}
.bbody{padding:16px 18px 18px;}
.bbody time{font-family:var(--lat);font-size:12px;font-weight:800;color:var(--blue);letter-spacing:.04em;}
.bbody h3{font-size:15.5px;font-weight:900;color:var(--navy);line-height:1.5;margin:6px 0 8px;}
.bbody p{font-size:12.5px;color:var(--muted);line-height:1.8;}

/* 記事 */
.phead h1{font-size:clamp(24px,4vw,38px);font-weight:900;line-height:1.4;margin:16px 0 0;position:relative;max-width:900px;}
.wrap.narrow{max-width:820px;}
.phero{margin:-28px 0 34px;border-radius:18px;overflow:hidden;box-shadow:0 18px 44px rgba(22,34,58,.16);position:relative;z-index:1;}
.phero img{width:100%;height:auto;display:block;aspect-ratio:16/9;object-fit:cover;}
.pbody{padding:16px 0 40px;font-size:16px;line-height:2;color:var(--ink);}
.post .wrap.narrow{padding-top:40px;}
.pbody p{margin:0 0 1.4em;}
.pbody h2,.pbody h3,.pbody h4{color:var(--navy);font-weight:900;line-height:1.5;margin:2.2em 0 .8em;}
.pbody h2{font-size:24px;padding-left:14px;border-left:4px solid var(--blue);}
.pbody h3{font-size:20px;padding-left:14px;border-left:4px solid var(--blue);}
.pbody h4{font-size:17px;}
.pbody h4::before{content:"";display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--gold);margin-right:10px;vertical-align:2px;}
.pbody figure{margin:1.8em 0;}
.pbody .gallery{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:1.8em 0;}
.pbody .gallery figure{margin:0;}
.pbody .gallery figure:only-child{grid-column:1/-1;}
.pbody .gallery figure:only-child img{aspect-ratio:auto;}
.pbody .gallery img{aspect-ratio:4/3;object-fit:cover;}
.pbody img{max-width:100%;height:auto;border-radius:14px;display:block;margin:0 auto;}
.pbody figcaption{font-size:12.5px;color:var(--muted);text-align:center;margin-top:8px;}
.pbody a{color:var(--blue);text-decoration:underline;text-underline-offset:3px;}
.pbody ul,.pbody ol{margin:0 0 1.4em 1.4em;}
.pbody li{margin-bottom:.4em;}
.pbody blockquote{margin:1.6em 0;padding:16px 20px;background:var(--tint);border-left:4px solid var(--gold);border-radius:0 12px 12px 0;color:var(--muted);}
.pbody table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:14px;}
.pbody th,.pbody td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.pbody th{background:var(--tint);}
.pbody .video{position:relative;aspect-ratio:16/9;margin:1.8em 0;border-radius:14px;overflow:hidden;background:#0c1424;}
.pbody .video iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}
.pnav{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:26px 0 56px;border-top:1px solid var(--line);}
.pn{display:flex;flex-direction:column;gap:6px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;transition:.2s;}
.pn:hover{border-color:var(--blue);}
.pn.prev{grid-column:1;}
.pn.next{grid-column:2;text-align:right;}
.pn .k{font-size:12px;font-weight:800;color:var(--blue);}
.pn .t{font-size:14px;font-weight:800;color:var(--navy);line-height:1.5;}

.ctaband{background:var(--navy);color:#fff;text-align:center;padding:64px 0;}
.ctaband h2{color:#fff;font-size:clamp(22px,3vw,30px);font-weight:900;margin-bottom:10px;}
.ctaband p{color:#b7c4d8;font-size:14.5px;margin-bottom:24px;line-height:1.9;}

@media (max-width:900px){ .bgrid{grid-template-columns:1fr 1fr;} }
@media (max-width:560px){
  .bgrid{grid-template-columns:1fr;}
  .blist{padding:40px 0 16px;}
  .pbody{font-size:15.5px;}
  .pnav{grid-template-columns:1fr;}
  .pn.prev,.pn.next{grid-column:1;text-align:left;}
  .phero{margin:-20px 0 24px;}
}