/* ═══════════════════════════════════════
   MUSE Footer — 全ページ共通
   ═══════════════════════════════════════ */
.ft{background:var(--k);color:rgba(255,255,255,.5);position:relative;overflow:hidden;z-index:1}
.ft::before{content:'';position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse 60% 40% at 20% 80%,rgba(24,71,204,.08),transparent)}
.ft::after{content:'';position:absolute;inset:0;pointer-events:none;background:var(--grain-coarse);background-size:250px 250px;opacity:.1;mix-blend-mode:screen}
.ft__inner{max-width:1240px;margin:0 auto;padding:var(--sp-section) var(--sp-wrap) var(--sp-inner);position:relative;z-index:1}

/* Top: logo + nav columns */
.ft__top{
  display:grid;grid-template-columns:1fr auto auto;
  gap:clamp(32px,5vw,64px);align-items:start;
  padding-bottom:clamp(32px,4vh,52px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.ft__brand{display:flex;flex-direction:column;gap:clamp(12px,1.5vh,20px)}
.ft__logo{
  font-family:var(--fd);font-weight:800;font-size:clamp(18px,1.5vw,24px);
  letter-spacing:.02em;color:var(--w);display:flex;align-items:center;gap:8px;
}
.ft__tagline{font-family:var(--fjs);font-size:clamp(11px,.85vw,13px);letter-spacing:.1em;color:rgba(255,255,255,.3)}

.ft__nav{display:flex;flex-direction:column;gap:clamp(10px,1.2vh,16px)}
.ft__nav-label{
  font-family:var(--fm);font-size:clamp(6px,.48vw,8px);
  letter-spacing:.3em;text-transform:uppercase;color:rgba(255,255,255,.2);margin-bottom:4px;
}
.ft__nav a{
  font-family:var(--fj);font-size:clamp(11px,.85vw,13px);font-weight:300;
  color:rgba(255,255,255,.45);text-decoration:none;letter-spacing:.04em;transition:color .3s;
}
.ft__nav a:hover{color:var(--w)}

/* Bottom: legal + copyright */
.ft__bottom{
  padding-top:clamp(20px,2.5vh,32px);
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;
  gap:clamp(12px,1.5vh,20px);
}
.ft__legal{display:flex;flex-direction:column;gap:4px}
.ft__legal-item{
  font-family:var(--fj);font-size:clamp(9px,.68vw,11px);font-weight:300;
  letter-spacing:.03em;color:rgba(255,255,255,.25);
}
.ft__legal-links{display:flex;gap:clamp(16px,2vw,28px)}
.ft__legal-links a{
  font-family:var(--fm);font-size:clamp(7px,.52vw,9px);letter-spacing:.2em;
  text-transform:uppercase;color:rgba(255,255,255,.45);text-decoration:none;transition:color .3s;
}
.ft__legal-links a:hover{color:rgba(255,255,255,.75)}
.ft__copy{font-family:var(--fm);font-size:clamp(7px,.52vw,9px);letter-spacing:.2em;color:rgba(255,255,255,.15)}

@media(max-width:767px){
  .ft__top{grid-template-columns:1fr;gap:clamp(28px,5vh,40px)}
  .ft__bottom{flex-direction:column;align-items:flex-start}
}