/* =====================================================
   footer.css
   フッター・SNSアイコン・モバイル追従CTA
   ===================================================== */

footer {
  background: #060609;
  padding: 4rem 0 2rem;
}

/* ─── Top grid ─── */
.footer-top {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.06);
}

/* ─── Logo & tagline ─── */
.footer-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--white);
  margin-bottom: .5rem;
}
.footer-logo span  { color: var(--accent); }
.footer-tagline {
  font-size: .8rem;
  color: rgba(255,255,255,.35);
  line-height: 1.6;
}

/* ─── Nav column ─── */
.footer-nav-title {
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}
.footer-nav {
  display: flex;
  flex-direction: column;
  gap: .65rem;
}
.footer-nav a {
  font-size: .82rem;
  color: rgba(255,255,255,.4);
  transition: color .2s;
}
.footer-nav a:hover { color: var(--white); }

/* ─── Social icons ─── */
.footer-social {
  display: flex;
  gap: .75rem;
  margin-top: 1rem;
}
.social-icon {
  width: 36px; height: 36px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .25s;
  color: rgba(255,255,255,.5);
}
.social-icon:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.social-icon svg { width: 15px; height: 15px; }

/* ─── Bottom bar ─── */
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 2rem;
  font-size: .75rem;
  color: rgba(255,255,255,.25);
}
.footer-bottom a          { transition: color .2s; }
.footer-bottom a:hover    { color: rgba(255,255,255,.6); }
.footer-links             { display: flex; gap: 1.5rem; flex-wrap: wrap; }

/* ─── Sticky CTA (all devices) ─── */
.sticky-cta {
  display: flex;
  justify-content: center;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 900;
  padding: .75rem 1.25rem 1rem;
  background: rgba(11,11,15,.96);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(200,162,75,.2);
}
.sticky-cta .btn {
  width: 100%;
  max-width: 360px;
  animation: pulse-gold 3s ease-in-out infinite;
}