/* ============================================================
   cta.css — 記事CTAブロック ＋ スマホ追従バー
   B.I.Y Corporate Design System
   ============================================================ */

/* ── 記事末尾CTA ───────────────────────────────────────── */
.article-cta {
  margin-top: 72px;
  padding: 48px 40px;
  background: var(--color-navy);
  position: relative;
  text-align: center;
}
.article-cta::before,
.article-cta::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 1px solid var(--color-gold);
}
.article-cta::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.article-cta::after  { bottom: -1px; right: -1px; border-left: none; border-top: none; }

.article-cta__eyebrow {
  font-family: var(--font-serif-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 16px;
}
.article-cta__title {
  font-family: var(--font-serif-ja);
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: var(--fw-bold);
  color: var(--color-white);
  letter-spacing: 0.06em;
  line-height: 1.6;
  margin-bottom: 16px;
}
.article-cta__text {
  font-size: var(--fs-sm);
  line-height: 2;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.04em;
  max-width: 620px;
  margin: 0 auto 32px;
}
.article-cta__buttons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  max-width: 780px;
  margin: 0 auto 20px;
}
.article-cta__btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 18px 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-white);
  transition: transform var(--transition-base), background var(--transition-base), border-color var(--transition-base);
}
.article-cta__btn:hover { transform: translateY(-3px); }
.article-cta__btn--line {
  background: #06C755;
  border-color: #06C755;
}
.article-cta__btn--line:hover { background: #05b34c; }
.article-cta__btn--form {
  background: var(--color-gold);
  border-color: var(--color-gold);
}
.article-cta__btn--form:hover { background: var(--color-gold-soft); }
.article-cta__btn--tel:hover { border-color: var(--color-gold); background: rgba(255, 255, 255, 0.08); }

.article-cta__btn-main {
  font-family: var(--font-sans-ja);
  font-size: var(--fs-base);
  font-weight: var(--fw-bold);
  letter-spacing: 0.04em;
  line-height: 1.3;
}
.article-cta__btn--tel .article-cta__btn-main { font-family: var(--font-serif-en); letter-spacing: 0.03em; }
.article-cta__btn-sub {
  font-size: 11px;
  letter-spacing: 0.04em;
  opacity: 0.85;
  line-height: 1.3;
}
.article-cta__note {
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.04em;
}

@media screen and (max-width: 768px) {
  .article-cta { padding: 36px 20px; margin-top: 56px; }
  .article-cta__buttons { grid-template-columns: 1fr; }
}

/* ── スマホ追従バー ─────────────────────────────────────── */
.sticky-cta {
  display: none;
}
@media screen and (max-width: 768px) {
  .sticky-cta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: calc(var(--z-header) - 1);
    box-shadow: 0 -4px 16px rgba(8, 20, 39, 0.18);
  }
  .sticky-cta__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px 8px;
    font-family: var(--font-sans-ja);
    font-size: var(--fs-sm);
    font-weight: var(--fw-bold);
    letter-spacing: 0.06em;
    color: var(--color-white);
  }
  .sticky-cta__btn--line { background: #06C755; }
  .sticky-cta__btn--tel  { background: var(--color-navy); }

  /* バーに隠れないようページ下部に余白 */
  body:has(.sticky-cta) { padding-bottom: 52px; }
}