/**
 * フッター（共通）
 * SP（〜767px）: SNSはナビ下・コピー上で2列。PCはロゴ下に縦並び。
 */
.site-footer {
  background-color: var(--color-navy);
  color: #fff;
  padding: 6rem 0 2.5rem;
}

.site-footer__inner {
  max-width: var(--site-max);
  margin: 0 auto;
  padding-inline: var(--site-pad-x);
}

@media (min-width: 768px) {
  .site-footer__inner {
    padding-inline: 2.5rem;
  }
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

@media (min-width: 1024px) {
  .site-footer__grid {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    grid-template-rows: auto auto;
    gap: 0 4rem;
    align-items: start;
  }

  .site-footer__brand {
    grid-column: 1;
    grid-row: 1;
  }

  .site-footer__nav-wrap {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .site-footer__sns {
    grid-column: 1;
    grid-row: 2;
    margin-top: 0;
  }
}

.site-footer__logo {
  display: block;
  width: 10rem;
  height: auto;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .site-footer__logo {
    width: 8rem;
  }
}

.site-footer__name {
  font-family: var(--font-mincho);
  font-size: 1.125rem;
  color: #fff;
  margin: 0 0 2rem;
}

@media (min-width: 1024px) {
  .site-footer__name {
    margin-bottom: 2rem;
  }
}

.site-footer__sns {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem 1.5rem;
}

.site-footer__sns-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: #fff;
  text-decoration: none;
  transition: color 0.2s;
}

.site-footer__sns-link:hover {
  color: rgba(255, 255, 255, 0.5);
}

.site-footer__sns-icon {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.site-footer__sns-icon svg {
  width: 1rem;
  height: 1rem;
  fill: currentColor;
}

.site-footer__sns-label {
  font-family: var(--font-serif);
  font-size: 0.875rem;
}

.site-footer__nav-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 2rem;
  row-gap: 3rem;
}

@media (min-width: 768px) {
  .site-footer__nav-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.site-footer__nav-en {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  color: #fff;
  letter-spacing: 0.05em;
  margin: 0;
  font-variation-settings: "opsz" 10, "wght" 600;
}

.site-footer__nav-ja {
  font-size: 0.6875rem;
  color: rgba(255, 255, 255, 0.6);
  margin: 0 0 0.75rem;
}

.site-footer__nav-rule {
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  margin: 0 0 1rem;
}

.site-footer__nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.875rem;
}

.site-footer__nav-list a {
  color: rgba(255, 255, 255, 1);
  text-decoration: none;
  transition: color 0.2s;
}

.site-footer__nav-list a:hover {
  color: rgba(255, 255, 255, 0.5);
}

/* 組合員メニュー（専用・最後尾） */
.site-footer__nav-grid .nav-group--members {
  padding: 1rem 1.1rem 1.15rem;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.06);
}

.site-footer__nav-grid .nav-group--members .site-footer__nav-ja {
  margin-bottom: 0.4rem;
}

.site-footer__nav-grid .nav-group--members .site-footer__nav-rule {
  border-top-color: rgba(255, 255, 255, 0.35);
}

.site-footer__bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

@media (min-width: 768px) {
  .site-footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

.site-footer__copy {
  margin: 0;
  font-size: 0.625rem;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* SP: ロゴ → ナビ → SNS（2列）→ コピー */
@media (max-width: 767px) {
  .site-footer {
    padding: 3.5rem 0 5rem;
  }

  .site-footer__grid {
    gap: 2.5rem;
    margin-bottom: 0;
  }

  .site-footer__logo {
    width: 5rem;
    margin-bottom: 1rem;
  }

  .site-footer__name {
    margin-bottom: 0;
  }

  .site-footer__nav-en {
    font-size: 1rem;
    font-variation-settings: "opsz" 10, "wght" 400;
  }

  .site-footer__nav-grid .nav-group--members {
    padding: 1rem 0.8rem 1.15rem;
  }

  .site-footer__sns {
    margin-top: 0.25rem;
  }

  .site-footer__sns-icon {
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 0.4rem;
  }

  .site-footer__sns-icon svg {
    width: 0.9rem;
    height: 0.9rem;
  }

  .site-footer__sns-label {
    font-size: 0.8125rem;
  }

  .site-footer__bottom {
    margin-top: 2rem;
  }
}