/* =========================================================
   Footer
========================================================= */

.footer {
  padding-block: 112px 40px;
  background: var(--color-bg-light);
  border-top: 1px solid var(--color-sub);
  font-size: 13px;
  line-height: 1.6;
}

/* ---------- Top：ロゴとナビ ---------- */
.footer__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 48px;
  padding-bottom: 72px;
}

.footer__logo {
  display: inline-flex;
  flex-direction: column;
  gap: 10px;
  flex-shrink: 0;
  line-height: 1;
}

.footer__logo-name {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.footer__logo-sub {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--color-text-sub);
}

.footer__nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px 40px;
  padding-top: 6px;
}

.footer__nav-list a {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
  transition: color var(--duration) var(--ease);
}

.footer__nav-list a:hover {
  color: var(--color-primary);
}

/* ---------- Bottom：補助リンクとコピーライト ---------- */
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 28px;
  border-top: 1px solid var(--color-accent);
  color: var(--color-text-sub);
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 32px;
}

.footer__links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  letter-spacing: 0.06em;
  transition: color var(--duration) var(--ease);
}

.footer__links a:hover {
  color: var(--color-primary);
}

.footer__external {
  width: 12px;
  height: 12px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.footer__copy {
  font-size: 12px;
  letter-spacing: 0.08em;
}

.footer__copy small {
  font-size: inherit;
}

/* ---------- Tablet / SP ---------- */
@media (max-width: 960px) {
  .footer {
    padding-top: 88px;
  }

  .footer__top {
    flex-direction: column;
    gap: 40px;
    padding-bottom: 56px;
  }

  .footer__nav {
    width: 100%;
  }

  .footer__nav-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px 24px;
    padding-top: 0;
  }
}

@media (max-width: 767px) {
  .footer {
    padding-block: 72px 32px;
  }

  .footer__logo-name {
    font-size: 22px;
  }

  .footer__nav-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px 20px;
  }

  .footer__nav-list a {
    font-size: 13px;
  }

  .footer__top {
    padding-bottom: 44px;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    padding-top: 24px;
  }

  .footer__links {
    gap: 10px 24px;
  }
}