/* ==========================================================================
   Japan Business Insider — guides / コラム記事用の追加スタイル
   site.css を読み込んだあとに読み込みます。site.css には手を入れていません。
   ========================================================================== */

.article-meta {
  display: flex; flex-wrap: wrap; gap: 6px 22px;
  margin-top: 26px; font-size: .78rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--text-mute);
}
:lang(ja) .article-meta { text-transform: none; letter-spacing: .06em; }
.article-meta b { color: var(--ink); font-weight: 500; }

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 250px) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
.article-layout > * { min-width: 0; }
@media (max-width: 940px) { .article-layout { grid-template-columns: minmax(0, 1fr); } }

.toc {
  position: sticky; top: 96px;
  border-top: 2px solid var(--ink);
  padding-top: 16px; font-size: .9rem;
}
.toc__label {
  font-size: .72rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--vermilion); margin-bottom: 10px; display: block;
}
.toc ol { list-style: none; padding: 0; margin: 0; counter-reset: toc; }
.toc li { counter-increment: toc; border-bottom: 1px solid var(--rule-warm); }
.toc a {
  display: grid; grid-template-columns: 2.2em 1fr; padding: 9px 0;
  text-decoration: none; color: var(--text-soft); line-height: 1.5;
}
.toc a::before { content: counter(toc, decimal-leading-zero); color: var(--text-mute); font-size: .78rem; padding-top: 2px; }
.toc a:hover { color: var(--vermilion); }
@media (max-width: 940px) { .toc { position: static; } }

.article-body { max-width: 70ch; }
.article-body > h2 {
  font-size: clamp(1.45rem, 2.2vw, 1.9rem);
  margin-top: 2.4em; padding-top: 1.1em;
  border-top: 1px solid var(--rule-warm);
  scroll-margin-top: 90px;
}
.article-body > h2:first-child { margin-top: 0; }
.article-body h3 { font-size: 1.18rem; margin-top: 1.8em; }
.article-body ul, .article-body ol { padding-left: 1.3em; }
.article-body li { margin-bottom: .45em; }
.article-body a { color: var(--vermilion); text-underline-offset: 3px; }
.article-body strong { color: var(--ink); font-weight: 600; }

.lead-box {
  background: var(--white); border: 1px solid var(--rule-warm);
  border-left: 3px solid var(--vermilion);
  padding: 22px 26px; margin: 0 0 2.2em;
}
.lead-box__label {
  display: block; font-size: .72rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--vermilion); margin-bottom: 8px;
}
.lead-box ul { margin: 0; }
.lead-box li:last-child { margin-bottom: 0; }

.note {
  background: var(--paper-2); border: 1px solid var(--rule-warm);
  padding: 20px 24px; margin: 1.6em 0; font-size: .95rem;
}
.note__label { font-family: var(--serif); font-weight: 700; color: var(--ink); display: block; margin-bottom: 6px; }
.note p:last-child { margin-bottom: 0; }

.table-wrap { overflow-x: auto; margin: 1.6em 0; -webkit-overflow-scrolling: touch; }
.table-wrap table { width: 100%; border-collapse: collapse; font-size: .92rem; min-width: 540px; background: var(--white); }
.table-wrap th, .table-wrap td { border: 1px solid var(--rule-warm); padding: 11px 14px; text-align: left; vertical-align: top; line-height: 1.6; }
.table-wrap thead th { background: var(--ink); color: var(--paper); font-weight: 500; letter-spacing: .04em; }
.table-wrap tbody th { background: var(--paper-2); color: var(--ink); font-weight: 600; }

.steps-list { list-style: none; padding: 0 !important; counter-reset: st; }
.steps-list > li {
  counter-increment: st; position: relative; padding: 16px 0 16px 58px;
  border-bottom: 1px solid var(--rule-warm); margin: 0 !important;
}
.steps-list > li::before {
  content: counter(st); position: absolute; left: 0; top: 14px;
  width: 38px; height: 38px; border: 1px solid var(--vermilion); color: var(--vermilion);
  display: grid; place-items: center; font-family: var(--serif); font-weight: 700;
}
.steps-list > li b { display: block; color: var(--ink); font-family: var(--serif); font-size: 1.05rem; margin-bottom: 2px; }

.sources { font-size: .86rem; color: var(--text-mute); margin-top: 3em; border-top: 1px solid var(--rule-warm); padding-top: 1.2em; }
.sources h2 { font-size: .8rem !important; letter-spacing: .2em; text-transform: uppercase; font-family: var(--sans); border: 0 !important; padding: 0 !important; margin: 0 0 .6em !important; color: var(--text-mute); }
.sources ul { padding-left: 1.1em; }
.sources a { color: var(--text-soft); }

.author-box {
  display: grid; grid-template-columns: 64px 1fr; gap: 18px; align-items: start;
  margin-top: 3em; padding: 22px; background: var(--paper-2); border: 1px solid var(--rule-warm);
}
.author-box__mark {
  width: 64px; height: 64px; background: var(--ink); color: var(--paper);
  display: grid; place-items: center; font-family: var(--serif); font-size: 1.4rem;
}
.author-box p { margin: 0; font-size: .92rem; }
.author-box b { color: var(--ink); font-family: var(--serif); display: block; margin-bottom: 4px; }

/* hub + related cards */
.guide-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 0; border-top: 1px solid var(--rule-warm); }
@media (max-width: 760px) { .guide-grid { grid-template-columns: 1fr; } }
.guide-card {
  display: block; text-decoration: none; padding: 30px 28px 30px 0;
  border-bottom: 1px solid var(--rule-warm); color: inherit;
}
.guide-grid .guide-card:nth-child(odd) { padding-right: 32px; border-right: 1px solid var(--rule-warm); }
.guide-grid .guide-card:nth-child(even) { padding-left: 32px; }
@media (max-width: 760px) {
  .guide-grid .guide-card:nth-child(odd), .guide-grid .guide-card:nth-child(even) { padding: 26px 0; border-right: 0; }
}
.guide-card__n { font-size: .74rem; letter-spacing: .18em; color: var(--vermilion); text-transform: uppercase; }
.guide-card h3 { font-size: 1.22rem; margin: .45em 0 .4em; transition: color .18s ease; }
.guide-card p { font-size: .92rem; color: var(--text-soft); margin: 0; }
.guide-card:hover h3 { color: var(--vermilion); }
.guide-card__more { display: inline-block; margin-top: 12px; font-size: .78rem; letter-spacing: .14em; color: var(--ink); border-bottom: 1px solid var(--vermilion); }