/* ─── フッター ─── */
.site-footer {
  background: var(--color-black);
  color: var(--color-gray);
  padding: 72px 60px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-main {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 48px;
  padding-bottom: 56px;
}

.footer-col {
  min-width: 160px;
}

.footer-col-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.footer-link-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link-list a {
  font-size: 13px;
  color: var(--color-gray);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-link-list a:hover {
  color: var(--color-yellow);
}

/* ─── SNSアイコン（フォローする） ─── */
.social-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
}

.social-links a.sns {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
}

.social-links a.sns svg {
  width: 16px;
  height: auto;
  fill: var(--color-white);
  transition: fill 0.3s;
}

.social-links a.sns:hover {
  background: var(--color-yellow);
  transform: translateY(-3px);
}

.social-links a.sns:hover svg {
  fill: var(--color-black);
}

.social-links a.line-link img {
  width: 80px;
  height: auto;
  transition: transform 0.3s, opacity 0.3s;
}

.social-links a.line-link:hover img {
  transform: translateY(-3px);
  opacity: 0.85;
}

.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-bottom p {
  font-size: 12px;
  color: #666;
}

@media (max-width: 768px) {
  .site-footer {
    padding: 56px 24px 0;
  }

  .footer-main {
    flex-direction: column;
    gap: 32px;
    padding-bottom: 40px;
  }
}