/* ロゴスクロール */
.client-logos {
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
  padding: 40px 0;
  background: var(--bg-base);
}
.marquee-wrapper {
  overflow: hidden;
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: scroll-left 30s linear infinite;
}
.marquee-items {
  display: flex;
  align-items: center;
  gap: 80px;
  padding-right: 80px;
}
.client-logo {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--text-dim);
  white-space: nowrap;
  opacity: 0.6;
  transition: opacity 0.3s;
}
.client-logo:hover {
  opacity: 1;
}
@keyframes scroll-left {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* お客様の声・導入事例 */
.cases-container {
  max-width: 1000px;
  margin: 0 auto;
}
.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 40px;
}
.case-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-dark);
  border-radius: 8px;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform 0.2s, border-color 0.2s;
  text-decoration: none;
}
.case-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-cyan);
}
.case-industry {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-cyan);
  border: 1px solid var(--accent-cyan);
  padding: 4px 12px;
  border-radius: 20px;
  align-self: flex-start;
}
.case-title {
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--text-main);
}
.case-company {
  font-size: 0.875rem;
  color: var(--text-dim);
  margin-top: auto;
  font-weight: 500;
}
.case-loading {
  text-align: center;
  color: var(--text-dim);
  padding: 60px;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  grid-column: 1 / -1;
}