/* ==========================================================================
   言葉屋 公式HP紹介動画セクション (1分でわかる言葉屋)
   ========================================================================== */
.v2-intro-video-section {
  padding-top: 88px;
  padding-bottom: 88px;
  border-top: 1px solid var(--color-line);
}

.v2-intro-video-head {
  margin-bottom: 36px;
}

.v2-intro-video-head h2 {
  font-size: clamp(1.8rem, 3.8vw, 2.6rem);
  line-height: 1.35;
  margin-top: 8px;
  margin-bottom: 14px;
}

.v2-intro-video-head p.section-subtitle {
  color: var(--color-muted);
  font-size: 1.02rem;
  line-height: 1.85;
  max-width: 780px;
  margin: 0;
}

.v2-intro-video-container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 44px;
  align-items: center;
  background: var(--color-paper-card);
  border: 1px solid var(--color-line);
  padding: 36px;
  border-radius: 12px;
  box-shadow: 0 12px 36px rgba(18, 34, 56, 0.05);
}

.v2-intro-video-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #0c1015;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(18, 34, 56, 0.12);
}

.v2-intro-video-player,
.v2-intro-video-iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  border-radius: 8px;
  object-fit: cover;
}

.v2-intro-video-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.v2-intro-video-tagline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--color-blue-accent);
  margin-bottom: -6px;
}

.v2-intro-video-tagline .pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-blue-accent);
  box-shadow: 0 0 6px var(--color-blue-accent);
}

.v2-intro-video-info h3 {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  line-height: 1.45;
  margin: 0;
  color: var(--color-ink);
}

.v2-intro-video-points {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.v2-intro-video-point {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: rgba(255, 255, 255, 0.75);
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--color-line);
}

.v2-intro-video-point-no {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-blue-accent);
  background: var(--color-blue-light);
  padding: 2px 7px;
  border-radius: 4px;
  flex-shrink: 0;
  margin-top: 2px;
}

.v2-intro-video-point-text strong {
  display: block;
  font-size: 0.95rem;
  color: var(--color-ink);
  margin-bottom: 2px;
}

.v2-intro-video-point-text p {
  margin: 0;
  font-size: 0.82rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.v2-intro-video-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 6px;
  flex-wrap: wrap;
}

.v2-intro-video-subnote {
  font-size: 0.8rem;
  color: var(--color-muted);
}

@media (max-width: 960px) {
  .v2-intro-video-container {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 24px 18px;
  }

  .v2-intro-video-head h2 {
    font-size: 1.65rem;
  }
}