.info-section {
  background: var(--color-brand);
  color: var(--color-white);
  padding: 4% 0;
  margin-bottom: 4%;
  text-align: center;
}
.info-section dt {
  color: var(--color-white);
  border-top: 1px solid var(--color-white);
  border-bottom: 1px solid var(--color-white);
  padding: clamp(1rem, 0.89rem + 0.45vw, 1.25rem);
  font-size: clamp(1.125rem, 0.961rem + 0.67vw, 1.5rem);
  margin-bottom: 28px;
}
.info-section dd {
  color: var(--color-white);
  font-size: clamp(0.875rem, 0.82rem + 0.22vw, 1rem);
}
.footer-logo {
  max-width:200px;
  margin: auto;
}
.footer-nav-list{
  display: flex;
  justify-content: center;
margin: 24px 0 60px;
flex-wrap: wrap;
row-gap: 8px;
}
.footer-nav-list li a{
padding: 0 10px;
border-left: 1px solid var(--color-brand);
}
.footer-nav-list li:last-child a{
  border-right: 1px solid var(--color-brand);
  }
.site-footer{
    background: var(--color-brand-2);
    color: var(--color-white);
    padding-top: var(--space-32);
  }
  .footer-meta{
    text-align: center;
    padding: 12px 0;
    font-size: 12px;
    background: var(--color-brand);
  }
  .footer-meta small{
 color: var(--color-white);
  }
  /* ===== Scroll-to-top button ===== */
  .to-top{
    position: fixed;
    right: clamp(12px, 2vw, 20px);
    bottom: 80px;
    width: 56px; height: 56px;
    border: none; border-radius: 50%;
    background: var(--color-white); 
    display: grid; place-items: center;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(0,0,0,.25);
    opacity: 0; transform: translateY(10px);
    pointer-events: none;
    transition: opacity .25s, transform .25s;
    z-index: 9999;
    font-size: 12px;
  }
  .to-top.is-visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
.to-top-svg {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 56px;
  height: 56px;
  display: block;
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
  pointer-events: none;
}
.to-top-rim,.to-top-progress {
  fill:none;
  stroke-width:2;
  vector-effect: non-scaling-stroke;
  shape-rendering: geometricPrecision;
}
.to-top-rim {
  stroke:var(--color-grey);
}
.to-top-progress {
  stroke:var(--color-brand);
  stroke-linecap:round;
  transition: stroke-dashoffset .1s linear;
}
.to-top:hover {
opacity: 0.8;
}
.fix-parts {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  background:
    linear-gradient(180deg, rgba(255,255,255,.65), rgba(255,255,255,.45));
  border-top: 1px solid rgba(255,255,255,.6);
  box-shadow:
    0 -12px 24px rgba(0,0,0,.10),
    inset 0 1px 0 rgba(255,255,255,.65);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease;
}
.fix-parts.is-visible {
  opacity: 1;
  pointer-events: auto;
}
/* 背景を溶かす（対応ブラウザで有効） */
@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
  .fix-parts {
    backdrop-filter: blur(18px) saturate(160%);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
    background:
      linear-gradient(180deg, rgba(255,255,255,.55), rgba(255,255,255,.35));
    border-top: 1px solid rgba(255,255,255,.75);
  }
}
.fix-actions {
  margin: 12px auto;
  display: flex
;
  justify-content: center;
  gap: 2%;
}
.fix-actions li {
flex: 1;
max-width: 280px;
}
.fix-actions li > * {
  text-align: center;
  padding: 8px 0;
  font-size: clamp(0.875rem, 0.746rem + 0.53vw, 1rem);
  border-radius: 40px;
  display: block;
  background: var(--color-surface);
color: var(--color-white);
transition: 0.3s ease;
}
.fix-actions li > button {
  cursor: pointer;
  width: 100%;
}
.fix-actions li *:hover {
opacity: 0.6;
}
@media (prefers-reduced-motion: reduce) {
.to-top, .to-top-progress {
transition: none;
}
}
@media (max-width: 768px){
.pref-grid {
  grid-template-columns: 1fr;
}
.footer-nav-list {
  margin: 18px 0 4%;
  font-size: 12px;
}
.to-top{
  bottom: clamp(4.5rem, 3.21rem + 5.29vw, 5.75rem);
  width: 42px; height: 42px;
}
.to-top-svg {
width: 42px;
height: 42px;
}
}