/* ===== 解説ページ（柱ページ）共通スタイル ===== */
/* /styles.css の後に読み込む。トップと同じトークン（--orange, --bg など）を使う */

.nav-sub { top: 0; }
.nav-links a[aria-current="page"] { color: var(--orange); }

.guide { position: relative; z-index: 1; padding: 40px 0 80px; }
.guide-wrap { max-width: 860px; margin: 0 auto; padding: 0 24px; }
@media (max-width: 720px) { .guide-wrap { padding: 0 18px; } }

.crumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: 12px; color: var(--fg-mute); margin-bottom: 28px; font-family: "JetBrains Mono", monospace; }
.crumbs a { color: var(--fg-mute); text-decoration: underline; text-underline-offset: 3px; }
.crumbs a:hover { color: var(--orange); }

.guide-head { margin-bottom: 36px; }
.guide-head h1 { font-size: clamp(28px, 4.6vw, 46px); font-weight: 900; line-height: 1.25; letter-spacing: -0.02em; margin: 16px 0 24px; }
@media (max-width: 720px) { .sp-hide { display: none; } }
.guide-meta { display: flex; gap: 12px; align-items: center; font-size: 13px; color: var(--fg-mute); line-height: 1.6; }
.guide-meta img { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line-strong); }
.guide-meta a { color: var(--fg); font-weight: 700; }
.guide-meta span { font-size: 12px; }

.answer { border: 1px solid var(--orange); background: linear-gradient(180deg, var(--orange-soft), transparent 80%), var(--bg-card); padding: 28px 30px; margin-bottom: 32px; }
.answer p, .answer li { font-size: 15.5px; line-height: 1.9; }
.answer p + ul, .answer ul + p { margin-top: 12px; }
.answer ul { padding-left: 1.2em; display: grid; gap: 6px; margin-top: 10px; }
.answer strong { color: var(--fg); }
.answer .kicker { margin-bottom: 10px; }
@media (max-width: 600px) { .answer { padding: 22px 20px; } }

.toc { border: 1px solid var(--line); background: var(--bg-elev); padding: 22px 26px; margin-bottom: 48px; }
.toc ol { margin: 10px 0 0 1.4em; display: grid; gap: 6px; font-size: 14px; }
.toc a { color: var(--fg); text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 4px; }
.toc a:hover { color: var(--orange); }

.guide-body { font-size: 16px; line-height: 1.95; }
.guide-body h2 { font-size: clamp(22px, 3vw, 30px); font-weight: 900; line-height: 1.4; letter-spacing: -0.01em; margin: 64px 0 20px; padding-top: 20px; border-top: 1px solid var(--line); display: flex; gap: 14px; align-items: baseline; scroll-margin-top: 140px; }
.guide-body h2:first-child { margin-top: 0; }
.h2-num { font-family: "JetBrains Mono", monospace; font-size: 13px; color: var(--orange); letter-spacing: 0.1em; flex-shrink: 0; }
.guide-body h3 { font-size: 18px; font-weight: 800; margin: 32px 0 10px; padding-left: 12px; border-left: 3px solid var(--orange); }
.guide-body p { margin: 0 0 16px; color: var(--fg); }
.guide-body p strong, .guide-body li strong { background: linear-gradient(transparent 62%, var(--orange-soft) 62%); }
.guide-body ul { margin: 0 0 18px 1.3em; display: grid; gap: 8px; }
.guide-body .note { font-size: 13px; color: var(--fg-mute); }
.guide-body ul.obs { list-style: none; margin-left: 0; }
.guide-body ul.obs li { padding: 12px 16px 12px 40px; border: 1px solid var(--line); background: var(--bg-card); position: relative; font-size: 15px; line-height: 1.8; }
.guide-body ul.obs li::before { content: "▸"; position: absolute; left: 16px; color: var(--orange); }

.formula { font-family: "JetBrains Mono", "Noto Sans JP", monospace; font-size: clamp(16px, 2.4vw, 22px); font-weight: 700; text-align: center; padding: 22px 16px; border: 1px dashed var(--line-strong); margin: 8px 0 20px; }
.formula span { color: var(--orange); }
.calc-ex { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px 16px; padding: 20px; background: var(--bg-elev); border: 1px solid var(--line); margin: 0 0 20px; }
.calc-ex > div { display: flex; flex-direction: column; align-items: center; }
.calc-ex .l { font-size: 11px; color: var(--fg-mute); font-family: "JetBrains Mono", monospace; }
.calc-ex .v { font-family: "Inter", sans-serif; font-size: clamp(18px, 3vw, 26px); font-weight: 800; }
.calc-ex .op { font-size: 22px; color: var(--fg-mute); }
.calc-ex .res .v { color: var(--orange); }

.tbl-wrap { overflow-x: auto; margin: 0 0 20px; -webkit-overflow-scrolling: touch; }
.guide-body table { width: 100%; border-collapse: collapse; font-size: 14px; line-height: 1.7; }
.guide-body th, .guide-body td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.guide-body thead th { font-family: "JetBrains Mono", "Noto Sans JP", monospace; font-size: 12px; color: var(--fg-mute); font-weight: 600; border-bottom: 1px solid var(--line-strong); white-space: nowrap; }
.guide-body tbody th { font-weight: 700; white-space: nowrap; }
table.cmp { min-width: 560px; }
table.data td { font-family: "Inter", sans-serif; text-align: right; }
table.data td.nt-v { color: var(--orange); font-weight: 700; }
table.data tr.is-now { background: var(--orange-soft); }
table.data caption { text-align: left; font-size: 13px; font-weight: 700; padding-bottom: 8px; color: var(--fg); }
.tbl-2col { display: grid; grid-template-columns: 1.8fr 1fr; gap: 24px; align-items: start; }
@media (max-width: 720px) { .tbl-2col { grid-template-columns: 1fr; } }

.chart-fig { margin: 8px 0 28px; border: 1px solid var(--line); background: var(--bg-card); padding: 16px 12px 10px; }
.nt-chart { width: 100%; height: auto; display: block; }
.nt-chart text { font-family: "JetBrains Mono", monospace; font-size: 11px; fill: var(--fg-mute); }
.nt-chart .g { stroke: var(--line); stroke-width: 1; }
.nt-chart .g2 { stroke-dasharray: 2 4; }
.nt-chart .ln { fill: none; stroke: var(--orange); stroke-width: 2.2; stroke-linejoin: round; }
.nt-chart .pt { fill: var(--orange); }
.nt-chart .lb { fill: var(--fg); font-weight: 700; font-size: 12px; }
.chart-fig figcaption { font-size: 12px; color: var(--fg-mute); margin-top: 8px; line-height: 1.6; }

.dir-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 4px 0 22px; }
@media (max-width: 600px) { .dir-grid { grid-template-columns: 1fr; } }
.dir { border: 1px solid var(--line); background: var(--bg-card); padding: 18px 20px; }
.dir p { font-size: 14px; line-height: 1.8; margin: 0; color: var(--fg-mute); }
.dir-t { font-weight: 800; font-size: 16px; margin-bottom: 6px; }
.dir.up .dir-t::before { content: "▲ "; color: var(--orange); }
.dir.dn .dir-t::before { content: "▼ "; color: #6aa9ff; }

.related { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 36px 0 8px; }
@media (max-width: 720px) { .related { grid-template-columns: 1fr; } }
.rel { display: flex; flex-direction: column; border: 1px solid var(--line); background: var(--bg-card); transition: border-color 0.2s, transform 0.2s; }
.rel:hover { border-color: var(--orange); transform: translateY(-2px); }
.rel img { width: 100%; height: auto; aspect-ratio: 16/9; object-fit: cover; }
.rel > div { padding: 16px 18px; display: flex; flex-direction: column; gap: 4px; }
.rel strong { font-size: 15px; line-height: 1.5; }
.rel span:not(.kicker) { font-size: 13px; color: var(--fg-mute); line-height: 1.6; }
.rel:has(img) { grid-row: span 3; }
@media (max-width: 720px) { .rel:has(img) { grid-row: auto; } }

.faq-ds { border-top: 1px solid var(--line); }
.faq-d { border-bottom: 1px solid var(--line); }
.faq-d summary { cursor: pointer; list-style: none; padding: 18px 36px 18px 0; font-weight: 700; font-size: 16px; line-height: 1.6; position: relative; display: flex; gap: 14px; }
.faq-d summary::-webkit-details-marker { display: none; }
.faq-d summary::after { content: "+"; position: absolute; right: 4px; top: 14px; font-size: 22px; color: var(--orange); font-weight: 300; }
.faq-d[open] summary::after { content: "−"; }
.faq-d p { padding: 0 0 18px 40px; font-size: 15px; color: var(--fg-mute) !important; }
@media (max-width: 600px) { .faq-d p { padding-left: 0; } }

.guide-cta { margin: 64px 0 40px; border: 1px solid var(--orange); background: radial-gradient(ellipse at top right, var(--orange-soft), transparent 60%), var(--bg-card); padding: 36px; }
.guide-cta h2 { font-size: clamp(24px, 3.4vw, 34px); font-weight: 900; line-height: 1.3; margin: 10px 0 14px; }
.guide-cta h2 .accent { color: var(--orange); }
.guide-cta p { color: var(--fg-mute); font-size: 15px; line-height: 1.9; margin-bottom: 22px; }
.guide-cta p strong { color: var(--fg); }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
@media (max-width: 600px) { .guide-cta { padding: 26px 20px; } }

.author { display: flex; gap: 18px; align-items: flex-start; border: 1px solid var(--line); background: var(--bg-elev); padding: 24px; margin-bottom: 24px; }
.author img { width: 72px; height: 72px; border-radius: 50%; border: 2px solid var(--line-strong); flex-shrink: 0; }
.author strong { display: block; margin: 6px 0 6px; font-size: 16px; }
.author p { font-size: 13.5px; color: var(--fg-mute); line-height: 1.8; }
.disclaimer { font-size: 12px; color: var(--fg-dim); line-height: 1.8; }
.footer-bot a { color: var(--fg-mute); }
.footer-bot a:hover { color: var(--orange); }
.guide-body td, .guide-body th { white-space: nowrap; }
.guide-body table.cmp td { white-space: normal; }
@media (max-width: 600px) {
  .nt-chart text { font-size: 20px; }
  .nt-chart .lb { font-size: 22px; }
  .nt-chart .ln { stroke-width: 3; }
  .guide-body table { font-size: 13px; }
  .guide-body th, .guide-body td { padding: 9px 8px; }
}
table.data td.tl { text-align: left; font-family: inherit; white-space: normal; }
.guide-cta p.cta-note { font-size: 12px; color: var(--fg-dim); margin: -10px 0 22px; }
table.data td.chg.up { color: var(--orange); }
table.data td.chg.dn { color: #6aa9ff; }
.tagm { display: inline-block; margin-left: 8px; font-size: 10px; font-weight: 600; padding: 1px 6px; border: 1px solid var(--orange); color: var(--orange); vertical-align: 2px; }
.guide-body a:not(.rel):not(.btn-primary):not(.btn-outline) { color: var(--orange); text-decoration: underline; text-underline-offset: 3px; }
.mid-cta { display: flex; gap: 24px; align-items: center; justify-content: space-between; border: 1px solid var(--orange); background: linear-gradient(90deg, var(--orange-soft), transparent 70%), var(--bg-card); padding: 24px 26px; margin: 28px 0 10px; }
.mid-cta strong { display: block; font-size: 17px; margin: 6px 0 6px; background: none !important; }
.mid-cta p { font-size: 13.5px; color: var(--fg-mute); margin: 0; line-height: 1.8; }
.mid-cta .btn-primary { flex-shrink: 0; }
@media (max-width: 720px) { .mid-cta { flex-direction: column; align-items: flex-start; } }
.stat-strip { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); background: var(--bg-elev); margin: 8px 0 18px; }
.stat-strip > div { padding: 16px 18px; border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: 4px; }
.stat-strip > div:last-child { border-right: 0; }
.stat-strip .l { font-size: 12px; color: var(--fg-mute); }
.stat-strip .v { font-family: "Inter", sans-serif; font-size: clamp(24px, 4vw, 34px); font-weight: 800; color: var(--orange); line-height: 1.1; }
.stat-strip .v small { font-size: 0.5em; margin-left: 2px; }
@media (max-width: 480px) { .stat-strip > div { padding: 12px 10px; } }
/* 用語集 */
.gl-links { display: flex; flex-wrap: wrap; gap: 8px 10px; margin-top: 10px; }
.gl-links a { font-size: 13px; padding: 6px 12px; border: 1px solid var(--line-strong); color: var(--fg); }
.gl-links a:hover { border-color: var(--orange); color: var(--orange); }
dl.terms { display: grid; gap: 0; margin: 0 0 12px; border-top: 1px solid var(--line); }
.term { display: grid; grid-template-columns: 220px 1fr; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 140px; }
.term:target { background: var(--orange-soft); }
.term dt { font-weight: 800; font-size: 16px; line-height: 1.6; }
.term dt .alias { display: block; font-weight: 400; font-size: 12px; color: var(--fg-mute); }
.term dd { margin: 0; font-size: 15px; line-height: 1.9; }
.term dd a.more { white-space: nowrap; font-size: 13px; }
@media (max-width: 720px) { .term { grid-template-columns: 1fr; gap: 6px; } }
.guide-cta .btn-outline { padding: 12px 18px; }
/* 記事ページ */
.read-full { border: 1px solid var(--line); background: var(--bg-elev); padding: 20px 22px; margin: 8px 0 8px; }
.read-full p { font-size: 14px; color: var(--fg-mute); margin-bottom: 12px; }
.term-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.guide-body .term-chips a { text-decoration: none; font-size: 13px; padding: 6px 12px; border: 1px solid var(--line-strong); color: var(--fg); }
.guide-body .term-chips a:hover { border-color: var(--orange); color: var(--orange); }
.art-pn { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 40px 0 0; }
.art-pn .pn { display: flex; flex-direction: column; gap: 4px; border: 1px solid var(--line); background: var(--bg-card); padding: 14px 16px; font-size: 14px; font-weight: 700; line-height: 1.5; }
.art-pn .pn span { font-size: 12px; font-weight: 400; color: var(--fg-mute); }
.art-pn .pn:hover { border-color: var(--orange); }
.art-pn .next { text-align: right; }
@media (max-width: 600px) { .art-pn { grid-template-columns: 1fr; } .art-pn .next { text-align: left; } }
.guide-body .art-list-page { list-style: none; margin: 0 0 24px; display: block; }
.guide-body .art-list-page .art-item { display: grid; grid-template-columns: 100px 1fr; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.guide-body .art-list-page .art-item-title { font-size: 17px; margin: 0 0 6px; }
.guide-body .art-list-page .art-item-title a { color: var(--fg); text-decoration: none; }
.guide-body .art-list-page .art-item-title a:hover { color: var(--orange); }
.guide-body .art-list-page .art-item-excerpt { font-size: 14px; color: var(--fg-mute); margin: 0 0 8px; }
@media (max-width: 720px) { .guide-body .art-list-page .art-item { grid-template-columns: 1fr; gap: 4px; } }
.guide-head .art-tag, .guide-body .art-tag { font-family: "JetBrains Mono", monospace; font-size: 11px; color: var(--fg-mute); padding: 2px 8px; border: 1px solid var(--line); margin-right: 6px; display: inline-block; }
.guide-body .art-list-page h3.art-item-title { border-left: 0; padding-left: 0; margin: 0 0 6px; }
.guide-body .art-list-page .art-item-title a, .guide-body .term-chips a { color: var(--fg) !important; text-decoration: none !important; }
.guide-body .art-list-page .art-item-title a:hover, .guide-body .term-chips a:hover { color: var(--orange) !important; }
/* 用語集：用語名を【】＋オレンジ太字で目立たせる（2026-10-24） */
@media (min-width: 721px) { .term { grid-template-columns: 260px 1fr; } }
.term dt .term-name { color: var(--orange); font-weight: 900; font-size: 18px; line-height: 1.5; letter-spacing: 0.01em; }
@media (max-width: 720px) { .term dt .term-name { font-size: 17px; } }
/* 用語集：分類をタブ風に（2026-10-24） */
.gl-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 12px; }
@media (max-width: 720px) { .gl-tabs { grid-template-columns: 1fr 1fr; } }
@media (max-width: 380px) { .gl-tabs { grid-template-columns: 1fr; } }
.gl-tab { --c: var(--orange); position: relative; display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; column-gap: 10px; align-items: center;
  padding: 12px 14px 12px 16px; border: 1px solid var(--line-strong); border-left: 4px solid var(--c); background: var(--bg-card);
  color: var(--fg); text-decoration: none; transition: background 0.15s, border-color 0.15s, transform 0.15s; }
.gl-tab:hover { background: color-mix(in srgb, var(--c) 14%, var(--bg-card)); border-color: var(--c); transform: translateY(-1px); }
.gl-tab .gl-n { grid-row: 1 / span 2; font-family: "JetBrains Mono", monospace; font-size: 13px; font-weight: 700; color: var(--c); }
.gl-tab .gl-t { font-size: 14px; font-weight: 700; line-height: 1.4; }
.gl-tab .gl-c { font-size: 11px; color: var(--fg-mute); }
.c0 { --c: #E5635E; } .c1 { --c: #5B9BF0; } .c2 { --c: #3FB27F; } .c3 { --c: #9B7BE0; } .c4 { --c: #E0A93B; } .c5 { --c: #39B5C4; }
.guide-body h2.gl-h .h2-num { color: var(--c); }
.guide-body h2.gl-h { border-top: 2px solid var(--c); }
.toc .gl-tabs a.gl-tab, .toc .gl-tabs a.gl-tab:hover { text-decoration: none; color: var(--fg); }
@media (max-width: 720px) {
  .gl-tab { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; padding: 10px 12px; }
  .gl-tab .gl-t { font-size: 13.5px; }
}
/* 自社ブログの全文記事（/articles/ の posts 由来） */
.post-body h2 { display: block; }
.post-body ol { margin: 0 0 18px 1.5em; display: grid; gap: 8px; }
.post-body blockquote { margin: 0 0 20px; padding: 14px 18px; border-left: 3px solid var(--orange); background: var(--bg-card); }
.post-body blockquote p { margin: 0 0 8px; color: var(--fg-mute); }
.post-body blockquote p:last-child { margin-bottom: 0; }
.post-body hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }
.post-body code { font-family: "JetBrains Mono", monospace; font-size: 0.9em; padding: 1px 6px; background: var(--bg-card); border: 1px solid var(--line); }
.post-body .tbl-wrap td, .post-body .tbl-wrap th { white-space: normal; }
.post-after { margin-top: 40px; }
/* 本文中の用語 → 用語集の自動リンク（控えめな点線） */
.guide-body a.gl-link:not(.rel):not(.btn-primary):not(.btn-outline) { color: inherit; text-decoration: underline dotted; text-decoration-color: var(--orange); text-underline-offset: 4px; }
.guide-body a.gl-link:hover { color: var(--orange); }
/* 柱ページの「関連する記事」 */
.pillar-articles { margin-top: 48px; }
.pillar-articles .more { font-size: 14px; }