/* 紀行・連載 — 日本奥地紀行ハブ */

@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho:wght@400;500;600&display=swap');

.tl-travel-hub {
  max-width: 42rem;
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 3.5rem) clamp(1.25rem, 4vw, 2rem) clamp(4rem, 8vw, 5rem);
  font-family: 'Shippori Mincho', var(--tl-font);
}

.tl-travel-hub__back {
  display: inline-block;
  margin-bottom: 1.5rem;
  font-size: 0.82rem;
  color: var(--tl-ink-muted);
  text-decoration: none;
  letter-spacing: 0.08em;
}

.tl-travel-hub__back:hover {
  color: var(--tl-ink);
}

.tl-travel-hub__label {
  margin: 0 0 0.75rem;
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  color: var(--tl-ink-muted);
  text-transform: uppercase;
}

.tl-travel-hub__title {
  margin: 0;
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: 0.1em;
}

.tl-travel-hub__original {
  margin: 0.75rem 0 0;
  font-size: 0.88rem;
  font-style: italic;
  color: var(--tl-ink-muted);
  letter-spacing: 0.04em;
}

.tl-travel-hub__author {
  margin: 1.25rem 0 0;
  font-size: 0.92rem;
  letter-spacing: 0.12em;
}

.tl-travel-hub__lead {
  margin: 2rem 0 0;
  font-size: 0.95rem;
  line-height: 2;
  text-align: justify;
}

.tl-travel-hub__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.25rem;
}

.tl-travel-hub__cta {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  padding: 0.85rem 1.35rem;
  border-radius: 2px;
  text-decoration: none;
  letter-spacing: 0.08em;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.tl-travel-hub__cta--primary {
  color: var(--tl-paper);
  background: linear-gradient(180deg, var(--tl-wood-light) 0%, var(--tl-wood-dark) 100%);
  border: 1px solid rgba(0, 0, 0, 0.15);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}

.tl-travel-hub__cta--secondary {
  color: var(--tl-ink);
  background: rgba(252, 250, 242, 0.85);
  border: 1px solid rgba(90, 79, 66, 0.22);
}

.tl-travel-hub__cta:hover {
  transform: translateY(-1px);
}

.tl-travel-hub__cta-sub {
  font-size: 0.65rem;
  opacity: 0.75;
  letter-spacing: 0.14em;
}

.tl-travel-hub__toc {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(90, 79, 66, 0.15);
}

.tl-travel-hub__toc h2 {
  margin: 0 0 1rem;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--tl-ink-muted);
}

.tl-travel-hub__chapters {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.tl-travel-hub__chapters a {
  display: block;
  padding: 0.55rem 0.75rem;
  border-radius: 2px;
  color: var(--tl-ink);
  text-decoration: none;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  background: rgba(252, 250, 242, 0.55);
  border: 1px solid transparent;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.tl-travel-hub__chapters a:hover {
  background: rgba(252, 250, 242, 0.95);
  border-color: rgba(90, 79, 66, 0.18);
}

.tl-travel-hub__note {
  margin-top: 2rem;
  font-size: 0.75rem;
  color: var(--tl-ink-muted);
  letter-spacing: 0.05em;
  line-height: 1.8;
}

.tl-travel-hub__credit {
  max-width: 28rem;
  margin: 1.5rem auto 0;
}