.sp-mini-header,
.sp-mini-header *{ box-sizing: border-box; }

.sp-mini-header{
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(226,232,240,.75);
}

.sp-mini-header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:10px 0;
}

.sp-mini-header__left{
  display:flex;
  align-items:center;
  gap:10px;
  min-width:0;
}

.sp-mini-header__logo{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  overflow:hidden;
  line-height:0;
}

.sp-mini-header__logo img{
  display:block;
  height:28px;
  width:auto;
}

.sp-mini-header__notice{
  color:#64748b;
  font-weight:800;
  font-size:12px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  max-width:52vw;
}

.sp-mini-header__right{ display:flex; align-items:center; gap:10px; }

.sp-mini-header__link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:#475569;
  font-weight:900;
  font-size:12px;
  text-decoration:none;
  padding:8px 10px;
  border-radius:999px;
  background:rgba(248,250,252,.9);
  border:1px solid rgba(226,232,240,.9);
}
.sp-mini-header__link:hover{
  color:#db2777;
  border-color:rgba(236,72,153,.20);
  background:#fff;
}

/* ===== Sticky CTA ===== */
.sp-mini-header__stickyCta{
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 70;

  padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(226,232,240,.8);

  will-change: transform;
  transform: translate3d(0,110%,0) !important;
  transition: transform .22s ease;
  display: none; /* PCは非表示 */
}

.sp-mini-header__stickyCta.is-visible{
  transform: translate3d(0,0,0) !important;
}

.sp-mini-header__stickyBtn{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;

  padding:14px 16px;
  border-radius:9999px;
  overflow:hidden;
  transform: translateZ(0);
  -webkit-mask-image: -webkit-radial-gradient(white, black);

  color:#fff;
  font-weight:900;
  font-size:15px;
  text-decoration:none;

  background: linear-gradient(90deg,#ec4899 0%,#fb923c 100%);
  box-shadow:0 16px 40px rgba(15,23,42,.14);
}

@supports (clip-path: inset(0 round 9999px)){
  .sp-mini-header__stickyBtn{ clip-path: inset(0 round 9999px); }
}

.sp-mini-header__stickyWarn{
  margin-top:6px;
  font-size:11px;
  font-weight:800;
  color:#ef4444;
  text-align:center;
}

@media (max-width: 640px){
  .sp-mini-header__stickyCta{ display:block; }
}