/* ================================================================
   footer.css — BitTradeBlog
================================================================ */

.site-footer {
  background: var(--gray-900);
  color: rgba(255,255,255,.6);
}

/* ================================================================
   法定必須表示エリア
================================================================ */
.footer-legal-area {
  background: var(--gray-900);
  padding: var(--sp-10) 0 var(--sp-8);
}

.footer-legal-block {
  margin-bottom: var(--sp-6);
  padding-bottom: var(--sp-6);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.footer-legal-block:last-of-type {
  margin-bottom: 0;
}

.footer-legal-block__title {
  font-size: 11px;
  font-weight: 700;
  color: rgba(255,255,255,.55);
  margin-bottom: var(--sp-3);
  padding-left: var(--sp-3);
  border-left: 2px solid var(--color-primary);
}

.footer-legal-block__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.footer-legal-block__list li {
  font-size: 11px;
  color: rgba(255,255,255,.3);
  line-height: 1.75;
  padding-left: var(--sp-4);
  position: relative;
}
.footer-legal-block__list li::before {
  content: '・';
  position: absolute;
  left: 0;
  color: rgba(255,255,255,.2);
}

.footer-legal-block__link-row {
  margin-bottom: var(--sp-2);
}
.footer-legal-block__link-row a {
  font-size: 11px;
  color: rgba(0,217,255,.5);
  word-break: break-all;
  text-decoration: none;
}
.footer-legal-block__link-row a:hover { color: var(--color-primary); }

/* 会社情報 */
.footer-company {
  margin-top: var(--sp-6);
  padding-top: var(--sp-6);
  border-top: 1px solid rgba(255,255,255,.06);
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}
.footer-company__name {
  font-size: 12px;
  font-weight: 700;
  color: rgba(255,255,255,.5);
  margin-bottom: var(--sp-1);
}
.footer-company__reg {
  font-size: 11px;
  color: rgba(255,255,255,.3);
  line-height: 1.7;
}
.footer-company__contact {
  font-size: 11px;
  color: rgba(255,255,255,.3);
  margin-top: var(--sp-1);
}
.footer-company__contact a {
  color: rgba(0,217,255,.45);
  text-decoration: none;
  word-break: break-all;
}
.footer-company__contact a:hover { color: var(--color-primary); }

/* ================================================================
   フッターボトム
================================================================ */
.footer-bottom {
  background: #080c10;
  border-top: 1px solid rgba(255,255,255,.06);
  padding: var(--sp-5) 0;
}

/* ボトムナビ */
.footer-bottom-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1) var(--sp-5);
  margin-bottom: var(--sp-4);
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.footer-bottom-nav__link {
  font-size: 11px;
  color: rgba(255,255,255,.4);
  text-decoration: none;
  transition: var(--transition-fast);
  white-space: nowrap;
}
.footer-bottom-nav__link:hover { color: var(--color-primary); }

/* コピーライト行 */
.footer-bottom__copy-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  flex-wrap: wrap;
}
.footer-bottom__copy {
  font-size: 11px;
  color: rgba(255,255,255,.25);
}

/* SNSボタン */
.footer-social {
  display: flex;
  gap: var(--sp-2);
}
.social-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,.07);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: rgba(255,255,255,.45);
  text-decoration: none;
  transition: var(--transition-fast);
}
.social-btn:hover {
  background: var(--color-primary);
  color: var(--gray-900);
}