/* 2026-04-21 00:00:00 */
/* footer.css — フッター */

.footer {
  position: relative;
  z-index: 1;
  padding: 64px 0 40px;
  background: var(--black);
  border-top: 1px solid rgba(0, 168, 255, 0.06);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 48px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.footer-brand .logo {
  margin-bottom: 12px;
}

/* メインロゴ(SPHERE)は大きく、主役として表示 */
.footer-brand .footer-logo {
  height: 44px;
  width: auto;
  margin-bottom: 14px;
  filter: brightness(1.05);
}

.footer-tagline {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(224, 224, 224, 0.35);
  letter-spacing: 0.04em;
  margin-bottom: 20px;
}

.footer-company-info {
  font-size: 0.75rem;
  color: rgba(224, 224, 224, 0.5);
  line-height: 2;
}

.footer-company-info dt {
  display: inline;
  font-family: var(--font-mono);
  font-weight: 700;
  color: rgba(0, 168, 255, 0.7);
}

.footer-company-info dt::after {
  content: "：";
}

.footer-company-info dd {
  display: inline;
}

.footer-company-info .info-row {
  margin-bottom: 2px;
}

.footer-skyworks {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

/* 制作チーム表記(SKYWORKS)はサブとして控えめに */
.footer-skyworks img {
  display: block;
  max-height: 28px;
  width: auto;
}

.footer-skyworks-name {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: rgba(224, 224, 224, 0.7);
  margin: 0;
  letter-spacing: 0.02em;
  text-align: center;
}

.footer-skyworks-team {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: rgba(0, 168, 255, 0.65);
  margin: 0;
  letter-spacing: 0.05em;
  padding-left: 0.05em;
  text-align: center;
}

.footer-nav-title {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(224, 224, 224, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.footer-nav a {
  display: block;
  font-size: 0.8125rem;
  color: rgba(224, 224, 224, 0.5);
  padding: 4px 0;
  transition: color 0.35s ease-in-out;
}

.footer-nav a:hover {
  color: var(--blue);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-top: 32px;
  border-top: 1px solid rgba(224, 224, 224, 0.06);
}

.footer-copyright {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: rgba(224, 224, 224, 0.25);
  letter-spacing: 0.04em;
}

@media (max-width: 768px) {
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
    justify-content: center;
  }
}