/* ---- Blog-specific styles ---- */
.blog-hero {
  background: var(--navy);
  color: #fff;
  padding: 72px 0 56px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.blog-hero-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--aqua-soft); margin-bottom: 18px;
}
.blog-hero-title {
  font-family: 'Noto Serif JP', serif;
  font-weight: 900; font-size: clamp(36px, 5vw, 64px);
  line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 16px;
}
.blog-hero-desc { color: rgba(255,255,255,0.7); font-size: 15px; max-width: 52ch; line-height: 1.85; }

.blog-main { padding: 72px 0 120px; }
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 80px;
}
@media (max-width: 980px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .blog-grid { grid-template-columns: 1fr; } }

.blog-card {
  text-decoration: none;
  background: var(--paper);
  border: 1px solid var(--line);
  display: flex; flex-direction: column;
  transition: transform .2s, border-color .2s;
  cursor: pointer;
}
.blog-card:hover { transform: translateY(-3px); border-color: var(--navy); }
.blog-card-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--aqua); padding: 14px 20px 0;
}
.blog-card-num {
  font-family: 'Noto Serif JP', serif;
  font-size: 40px; font-weight: 900; color: var(--bg-alt);
  line-height: 1; padding: 8px 20px 0; letter-spacing: -0.03em;
}
.blog-card-body { padding: 12px 20px 20px; flex: 1; display: flex; flex-direction: column; }
.blog-card-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: 0.18em; color: var(--ink-mute);
  margin-bottom: 10px;
}
.blog-card-title {
  font-family: 'Noto Serif JP', serif;
  font-weight: 700; font-size: 17px; line-height: 1.5;
  color: var(--navy); margin: 0 0 10px;
}
.blog-card-excerpt { font-size: 12.5px; color: var(--ink-soft); line-height: 1.8; margin: 0 0 16px; flex: 1; }
.blog-card-link {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--aqua); display: flex; align-items: center; gap: 8px;
}
.blog-card-link::after { content: "→"; }

/* Article full view */
.article-section {
  border-top: 4px solid var(--navy);
  padding: 64px 0 80px;
  background: var(--paper);
  margin-bottom: 32px;
}
.article-section:nth-child(even) { background: var(--bg); }
.article-meta {
  display: flex; align-items: center; gap: 20px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.article-num {
  font-family: 'Noto Serif JP', serif;
  font-size: 64px; font-weight: 900;
  color: var(--line); line-height: 1; letter-spacing: -0.04em;
}
.article-meta-right { flex: 1; }
.article-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--aqua); margin-bottom: 6px;
}
.article-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px; letter-spacing: 0.15em; color: var(--ink-mute);
}
.article-title {
  font-family: 'Noto Serif JP', serif;
  font-weight: 900; font-size: clamp(24px, 3.5vw, 40px);
  line-height: 1.2; letter-spacing: -0.015em;
  color: var(--navy); margin: 0 0 32px;
}
.article-body { max-width: 72ch; }
.article-body p { font-size: 15px; line-height: 1.95; color: var(--ink-soft); margin: 0 0 1.4em; }
.article-body h3 {
  font-family: 'Noto Serif JP', serif;
  font-weight: 700; font-size: 20px; color: var(--navy);
  margin: 2em 0 .7em; padding-left: 14px;
  border-left: 3px solid var(--aqua);
}
.article-body ul { padding-left: 1.4em; margin: 0 0 1.4em; }
.article-body ul li { font-size: 15px; line-height: 1.85; color: var(--ink-soft); margin-bottom: .4em; }
.article-body .highlight {
  background: var(--navy); color: #fff;
  padding: 20px 24px; margin: 2em 0;
  border-left: 4px solid var(--aqua);
  font-size: 14px; line-height: 1.85;
}
.article-body .highlight strong { color: var(--aqua-soft); }
.article-body .data-box {
  border: 1px solid var(--line); padding: 20px 24px; margin: 2em 0;
  background: var(--bg-alt);
}
.article-body .data-box .data-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--aqua); margin-bottom: 12px;
}
.article-body .data-box .data-val {
  font-family: 'Noto Serif JP', serif;
  font-weight: 900; font-size: 40px; color: var(--navy);
  line-height: 1; letter-spacing: -0.03em;
}
.article-body .data-box .data-desc { font-size: 13px; color: var(--ink-mute); margin-top: 6px; }

/* Blog nav between grid and articles */
.blog-divider {
  border: 0; border-top: 2px solid var(--navy);
  margin: 0 0 64px;
}
.blog-articles-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--ink-mute); margin-bottom: 48px;
  display: flex; align-items: center; gap: 16px;
}
.blog-articles-label::after { content: ""; flex: 1; height: 1px; background: var(--line); }

/* ---- added 2026-08-22: article & landing pages ---- */
.blog-card { color: inherit; }
.blog-card:hover .blog-card-title { color: var(--aqua); }

.crumb { border-bottom: 1px solid var(--line); background: var(--paper); }
.crumb .wrap { display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  padding-top: 14px; padding-bottom: 14px; font-size: 12px; color: var(--ink-mute); }
.crumb a { color: var(--aqua); text-decoration: none; }
.crumb a:hover { text-decoration: underline; }
.crumb span { color: var(--ink-mute); }
.crumb .crumb-cur { color: var(--ink-soft); }

.art-main { padding: 56px 0 110px; }
.art { max-width: 74ch; }
.art-head { display: flex; align-items: baseline; gap: 18px; flex-wrap: wrap; margin-bottom: 18px; }
.art-tag { font-family: 'JetBrains Mono', monospace; font-size: 10px;
  letter-spacing: .22em; text-transform: uppercase; color: var(--aqua); }
.art-date { font-family: 'JetBrains Mono', monospace; font-size: 10.5px;
  letter-spacing: .15em; color: var(--ink-mute); }
.art-title { font-family: 'Noto Serif JP', serif; font-weight: 900;
  font-size: clamp(26px, 4vw, 44px); line-height: 1.24; letter-spacing: -0.015em;
  color: var(--navy); margin: 0 0 36px; padding-bottom: 28px;
  border-bottom: 4px solid var(--navy); }

.art-cta { border: 1px solid var(--line); border-top: 4px solid var(--navy);
  background: var(--bg-alt); padding: 36px 32px; margin: 64px 0 40px; max-width: 74ch; }
.art-cta-label { font-family: 'JetBrains Mono', monospace; font-size: 10px;
  letter-spacing: .22em; text-transform: uppercase; color: var(--aqua); margin-bottom: 12px; }
.art-cta-title { font-family: 'Noto Serif JP', serif; font-weight: 900;
  font-size: clamp(22px, 3vw, 30px); line-height: 1.3; color: var(--navy); margin: 0 0 14px; }
.art-cta-sub { font-size: 13.5px; line-height: 1.9; color: var(--ink-soft); margin: 0 0 24px; }
.art-cta-btns { display: flex; flex-wrap: wrap; gap: 10px; }
.btn-line { background: #06C755; color: #fff; border: 1px solid #06C755; }
.btn-line:hover { background: #05b34c; border-color: #05b34c; }

.art-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  margin: 40px 0 28px; max-width: 74ch; }
@media (max-width: 700px) { .art-nav { grid-template-columns: 1fr; } }
.art-nav-item { border: 1px solid var(--line); background: var(--paper);
  padding: 18px 20px; text-decoration: none; display: flex; flex-direction: column; gap: 8px;
  transition: border-color .2s, transform .2s; }
.art-nav-item:hover { border-color: var(--navy); transform: translateY(-2px); }
.art-nav-next { text-align: right; grid-column: 2; }
@media (max-width: 700px) { .art-nav-next { grid-column: 1; text-align: left; } }
.art-nav-dir { font-family: 'JetBrains Mono', monospace; font-size: 10px;
  letter-spacing: .18em; text-transform: uppercase; color: var(--aqua); }
.art-nav-title { font-family: 'Noto Serif JP', serif; font-weight: 700;
  font-size: 14px; line-height: 1.55; color: var(--navy); }

.art-back { margin-top: 8px; max-width: 74ch; }
.art-back a { font-family: 'JetBrains Mono', monospace; font-size: 11px;
  letter-spacing: .16em; color: var(--aqua); text-decoration: none; }
.art-back a:hover { text-decoration: underline; }

/* spec table used by vehicle / area pages */
.spec { width: 100%; border-collapse: collapse; margin: 2em 0; font-size: 14px; }
.spec th, .spec td { border: 1px solid var(--line); padding: 12px 14px;
  text-align: left; vertical-align: top; line-height: 1.75; }
.spec th { background: var(--bg-alt); color: var(--navy); font-weight: 700;
  width: 34%; white-space: nowrap; }
.spec td { color: var(--ink-soft); background: var(--paper); }
@media (max-width: 560px) {
  .spec th { white-space: normal; width: 40%; }
  .spec th, .spec td { padding: 10px 11px; font-size: 13px; }
}
.spec-scroll { overflow-x: auto; }

/* hub grids (area / vehicle index) */
.hub-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin: 44px 0 8px; }
@media (max-width: 980px) { .hub-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .hub-grid { grid-template-columns: 1fr; } }
.hub-card { border: 1px solid var(--line); background: var(--paper); padding: 24px 22px;
  text-decoration: none; display: flex; flex-direction: column; gap: 10px;
  transition: border-color .2s, transform .2s; }
.hub-card:hover { border-color: var(--navy); transform: translateY(-3px); }
.hub-card-label { font-family: 'JetBrains Mono', monospace; font-size: 10px;
  letter-spacing: .2em; text-transform: uppercase; color: var(--aqua); }
.hub-card-title { font-family: 'Noto Serif JP', serif; font-weight: 700; font-size: 19px;
  line-height: 1.45; color: var(--navy); margin: 0; }
.hub-card-desc { font-size: 12.5px; line-height: 1.85; color: var(--ink-soft); margin: 0; }

/* FAQ list on landing pages */
.pg-faq { max-width: 74ch; margin: 56px 0 0; }
.pg-faq h2 { font-family: 'Noto Serif JP', serif; font-weight: 900; font-size: 24px;
  color: var(--navy); margin: 0 0 24px; padding-bottom: 14px; border-bottom: 2px solid var(--navy); }
.pg-faq dt { font-family: 'Noto Serif JP', serif; font-weight: 700; font-size: 16px;
  color: var(--navy); margin: 1.8em 0 .6em; padding-left: 14px; border-left: 3px solid var(--aqua); }
.pg-faq dd { margin: 0; font-size: 14.5px; line-height: 1.95; color: var(--ink-soft); }

/* partner page hero */
.pg-hero { background: var(--navy); color: #fff; padding: 66px 0 52px;
  border-bottom: 1px solid rgba(255,255,255,0.1); }
.pg-hero-label { font-family: 'JetBrains Mono', monospace; font-size: 11px;
  letter-spacing: .24em; text-transform: uppercase; color: var(--aqua-soft); margin-bottom: 16px; }
.pg-hero-title { font-family: 'Noto Serif JP', serif; font-weight: 900;
  font-size: clamp(30px, 4.6vw, 56px); line-height: 1.14; letter-spacing: -0.02em; margin: 0 0 16px; }
.pg-hero-desc { color: rgba(255,255,255,0.72); font-size: 15px; max-width: 56ch; line-height: 1.85; }