/* スマートフォン用メニュー */
.sp-menu {
  position: fixed;
  top: 92px; left: 0; right: 0; bottom: 0;
  z-index: 890;
  background: var(--c-blue-gray);
  overflow-y: auto;
}
.sp-menu[hidden] { display: none; }
.sp-menu .sp-menu-list {
  display: flex; flex-direction: column; align-items: center;
  gap: 40px;
  padding: 40px 16px;
  box-sizing: border-box;
  width: 100%;
}
.sp-menu .sp-menu-list a {
  display: flex; align-items: center; gap: 2px;
  font-size: 20px; font-weight: 700; line-height: 1.6;
  letter-spacing: 0.05em;
  color: var(--c-black);
  white-space: nowrap;
  text-align: center;
}
.sp-menu .sp-menu-list a img { width: 24px; height: 24px; }
@media (min-width: 768px) {
  .sp-menu { display: none; }
}