:root{
  --ink:#2f241c;
  --walnut:#4a3324;
  --walnut-deep:#3a2819;
  --clay:#9c4f22;
  --clay-bright:#c17a4f;
  --sage:#7c8a68;
  --mist:#efe6d6;
  --paper:#faf6ef;
  --white:#fff;
  --line:#e4d9c7;
  --muted:#7d6f60;
  --cream:#fff8ec;
  --sans:"Hiragino Kaku Gothic ProN","Yu Gothic","Noto Sans JP",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:8.5rem}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.95;letter-spacing:.02em;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:var(--clay);text-underline-offset:.2em}
a:hover{color:var(--clay-bright)}
.skip-link{position:fixed;left:1rem;top:-5rem;background:#fff;padding:.6rem 1.1rem;z-index:999;border-radius:4px}
.skip-link:focus{top:1rem}

/* header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(250,246,239,.97);backdrop-filter:blur(4px);border-bottom:1px solid var(--line)}
.brand-row{max-width:1180px;min-height:76px;margin:auto;padding:12px 26px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--walnut);line-height:1.2}
.brand-mark{display:grid;place-items:center;width:36px;height:36px;background:var(--walnut);color:var(--cream);border-radius:8px;font-size:1.1rem}
.brand strong{font-size:1.1rem;font-weight:700;letter-spacing:.06em}
.brand small{display:block;color:var(--muted);font-size:.55rem;letter-spacing:.16em;margin-top:4px}
.menu-toggle{display:none;width:44px;height:40px;padding:8px;border:1px solid var(--line);background:#fff;border-radius:6px}
.menu-toggle span{display:block;height:2px;background:var(--walnut);margin:5px;border-radius:2px}
.global-nav{border-top:1px solid var(--line)}
.global-nav ul{max-width:1180px;margin:auto;padding:6px 18px;display:flex;flex-wrap:wrap;justify-content:center;list-style:none;gap:2px}
.global-nav a{display:block;padding:9px 14px;color:var(--ink);font-size:.76rem;text-decoration:none;border-radius:999px;white-space:nowrap}
.global-nav a:hover{background:var(--mist);color:var(--clay)}
.global-nav a[aria-current=page]{background:var(--walnut);color:var(--cream)}

/* hero */
.hero-block{position:relative;max-width:1440px;margin:auto;background:var(--walnut-deep);min-height:460px;display:grid;align-items:end;overflow:hidden}
.hero-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.82}
.hero-block:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(42,29,18,.15) 0%,rgba(35,24,15,.55) 55%,rgba(28,19,12,.88) 100%)}
.hero-copy{position:relative;z-index:1;color:var(--cream);width:min(1120px,calc(100% - 48px));margin:0 auto;padding:80px 0 56px}
.eyebrow{margin:0 0 14px;color:var(--cream);opacity:.85;font-size:.72rem;font-weight:700;letter-spacing:.24em;text-shadow:0 2px 10px rgba(0,0,0,.55)}
.hero-copy h1{font-size:clamp(2rem,4.4vw,3.6rem);font-weight:700;line-height:1.45;letter-spacing:.04em;margin:0 0 18px;max-width:900px;color:var(--cream);text-shadow:0 3px 18px rgba(0,0,0,.75),0 1px 3px rgba(0,0,0,.9)}
.hero-copy>p:last-child{max-width:740px;font-size:1.05rem;margin:0;color:var(--cream);text-shadow:0 2px 12px rgba(0,0,0,.7)}

/* layout */
.container{width:min(1120px,calc(100% - 48px));margin:auto}
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:60px;align-items:start;padding-top:70px;padding-bottom:90px}
.article{min-width:0}
.article>section{margin:0 0 64px}
.article h2{font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:700;line-height:1.5;letter-spacing:.03em;margin:0 0 22px;padding-bottom:14px;position:relative}
.article h2:after{content:"";position:absolute;left:0;bottom:0;width:56px;height:4px;background:var(--clay);border-radius:2px}
.article h3{font-size:1.08rem;font-weight:700;line-height:1.6;margin:28px 0 12px;color:var(--walnut)}
.article p{margin:0 0 1.3em}

/* sidebar */
.sidebar{position:sticky;top:132px;display:grid;gap:22px}
.sidebar nav,.ad-slot{background:#fff;border:1px solid var(--line);padding:22px;border-radius:12px}
.sidebar h2{font-size:.98rem;margin:0 0 12px;font-weight:700}
.sidebar ol{margin:0;padding-left:1.15rem}
.sidebar li+li{margin-top:8px}
.sidebar a{font-size:.83rem;text-decoration:none}
.sidebar a:hover{text-decoration:underline}
.ad-slot span{display:block;color:var(--muted);font-size:.58rem;letter-spacing:.16em;border-bottom:1px solid var(--line);margin-bottom:14px}
.ad-slot strong{display:block;line-height:1.6}
.ad-slot p{font-size:.78rem;line-height:1.65;color:var(--muted)}
.ad-slot>a{display:inline-block;background:var(--walnut);color:var(--cream);padding:9px 16px;text-decoration:none;border-radius:999px;font-size:.82rem;margin-top:4px}
.related-links{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.related-links li a{display:block;padding:8px 0;border-bottom:1px dashed var(--line)}

/* cards */
.related{border-top:1px solid var(--line);padding-top:52px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.related-grid article{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;box-shadow:0 6px 16px rgba(74,51,36,.05)}
.related-grid h3{font-size:1rem;margin:0 0 10px}
.related-grid p{font-size:.8rem;line-height:1.7;margin:0;color:var(--muted)}
.related-sites{background:var(--mist);padding:30px;margin-top:48px;border-radius:14px}
.related-sites ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.related-sites a{display:flex;align-items:baseline;gap:16px;text-decoration:none}
.related-sites strong{min-width:130px;color:var(--walnut)}
.related-sites span{font-size:.78rem;color:var(--muted)}

.page-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:30px}
.page-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;position:relative;box-shadow:0 8px 20px rgba(74,51,36,.06);transition:transform .15s ease,box-shadow .15s ease}
.page-card:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(74,51,36,.12)}
.page-num{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--walnut);color:var(--cream);font-size:.8rem;font-weight:700;margin-bottom:12px}
.page-card h3{margin:0 0 8px;font-size:1.02rem}
.page-card h3 a{text-decoration:none;color:var(--walnut)}
.page-card p{font-size:.83rem;line-height:1.75;margin:0;color:var(--muted)}

/* footer */
.site-footer{background:var(--walnut-deep);color:#e7dccb;padding:56px 24px 20px}
.footer-grid{max-width:1120px;margin:auto;display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:60px}
.footer-grid h2{font-size:1rem;color:var(--cream);margin:0 0 14px}
.footer-grid p{font-size:.78rem;max-width:380px;color:#cdbfa9}
.footer-grid nav{display:flex;flex-direction:column;align-items:flex-start}
.footer-grid a{color:#e7dccb;font-size:.8rem;margin-bottom:7px;text-decoration:none}
.footer-grid a:hover{text-decoration:underline}
.footer-links{max-width:1120px;margin:30px auto 0;padding-top:18px;border-top:1px solid #5a4128;display:flex;flex-wrap:wrap;gap:1rem}
.footer-links a{color:#e7dccb;font-size:.78rem;text-decoration:none}
.footer-links a:hover{color:#fff;text-decoration:underline}
.copyright{max-width:1120px;margin:16px auto 0;padding-top:0;font-size:.65rem;color:#9c8a70}
.no-scroll{overflow:hidden}

/* index-only intro */
#main>section:not(.hero-block){width:min(1120px,calc(100% - 48px));margin-inline:auto}
#main>section.intro-block{width:min(840px,calc(100% - 48px))}
.intro-block{padding:56px 0 8px}
.intro-block h2{font-size:clamp(1.4rem,2.4vw,1.8rem);margin:0 0 18px}
.intro-block p{max-width:780px;line-height:1.95}
.commentary-block{padding:8px 0 40px}

@media(max-width:800px){
  html{scroll-padding-top:5rem}
  .brand-row{min-height:66px;padding:10px 18px}
  .brand strong{font-size:.94rem}
  .brand small{font-size:.48rem}
  .menu-toggle{display:block}
  .global-nav{display:none;position:fixed;left:0;right:0;top:66px;height:calc(100vh - 66px);background:var(--paper);overflow:auto}
  .global-nav.is-open{display:block}
  .global-nav ul{display:block;padding:14px 22px}
  .global-nav a{font-size:.92rem;padding:13px 8px;border-radius:8px;border-bottom:1px solid var(--line)}
  .hero-block{min-height:410px}
  .hero-copy{width:calc(100% - 36px);padding:60px 0 40px}
  .hero-copy h1{font-size:clamp(1.7rem,8.5vw,2.4rem);overflow-wrap:anywhere}
  .hero-copy>p:last-child{font-size:.92rem}
  .container{width:calc(100% - 36px)}
  .content-layout{grid-template-columns:1fr;gap:40px;padding-top:46px;padding-bottom:64px}
  .article>section{margin-bottom:50px}
  .sidebar{position:static;grid-row:1}
  .related-grid,.page-grid{grid-template-columns:1fr}
  .related-sites{padding:22px}
  .related-sites a{display:block}
  .related-sites strong,.related-sites span{display:block}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid p{margin-bottom:0}
}
@media(max-width:420px){
  body{font-size:15px}
  .hero-block{min-height:380px}
  .hero-copy{padding-top:50px}
  .sidebar nav,.ad-slot{padding:18px}
}

/* LATEST-COMMENTARY:START */
.latest-commentary {
  padding: 3rem 0;
}
/* .container を持たないサイトでも端に張り付かないための保険。
   :where() は詳細度0なので、サイト側の .container 定義が常に優先される。 */
:where(.latest-commentary .container) {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1rem;
}
.latest-commentary h2 {
  margin-bottom: 1.25rem;
}
.latest-commentary-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.latest-commentary-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line, #e5e5e5);
}
.latest-commentary-list time {
  flex: 0 0 auto;
  color: var(--muted, #666);
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
}
.latest-commentary-list a {
  flex: 1 1 16rem;
  min-width: 0;
  color: var(--ink, #222);
  text-decoration: none;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.latest-commentary-list a:hover {
  color: #0b5;
  text-decoration: underline;
}
.latest-commentary-more {
  margin-top: 1.25rem;
}
.latest-commentary-more a {
  color: #0b5;
  text-decoration: none;
  font-weight: 600;
}
.latest-commentary-more a:hover {
  text-decoration: underline;
}
@media (max-width: 600px) {
  .latest-commentary-list li {
    flex-direction: column;
    gap: 0.2rem;
  }
  /* 縦積み時に flex-basis(16rem) が高さに効かないよう auto に戻す */
  .latest-commentary-list a,
  .latest-commentary-list time {
    flex: 0 0 auto;
  }
}
/* LATEST-COMMENTARY:END */