.rs-faq.alignfull{
  width:100vw;
  margin-left:calc(50% - 50vw);
  margin-right:calc(50% - 50vw);
}

.rs-faq{
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  color: rgba(255,255,255,.92);
}

.rs-faq .rs-bg{
  position:absolute; inset:0;
  background:
    radial-gradient(1200px 600px at 15% 30%, rgba(94, 255, 255, .18), transparent 60%),
    radial-gradient(900px 600px at 70% 40%, rgba(120, 170, 255, .20), transparent 55%),
    linear-gradient(90deg, #5fd7d7 0%, #4a84ff 100%);
}

.rs-faq .rs-wrap{
  position: relative;
  min-height: 100svh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding: clamp(18px, 3vw, 36px);
}

/* ダイヤ（LP寄せ：外に出す） */
.rs-faq__diamond{
  position:absolute;
  left: clamp(-260px, -18vw, -120px);
  top: 52%;
  transform: translate3d(0,-50%,0);
  width: min(520px, 56vw);
  aspect-ratio: 1/1;
  pointer-events:none;
  opacity: .70;
  z-index: 0;
  filter: drop-shadow(0 24px 40px rgba(0,0,0,.22));
}
.rs-faq__diamond img{
  width:100%;
  height:100%;
  object-fit:contain;
  display:block;
  transform-origin: 50% 50%;
  animation: rs-float 10s ease-in-out infinite;
}
@keyframes rs-float{
  0%   { transform: translate3d(0,0,0) rotate(-10deg) scale(1); }
  50%  { transform: translate3d(0,-10px,0) rotate(10deg)  scale(1.02); }
  100% { transform: translate3d(0,0,0) rotate(-10deg) scale(1); }
}

/* パネル（LPと同じ） */
.rs-faq .rs-panel{
  position:relative;
  width:min(1080px, 92vw);
  padding: clamp(22px, 4vw, 44px);
  border-radius: clamp(28px, 4vw, 44px);
  border: 2px solid rgba(255,255,255,.68);
  background: rgba(255,255,255,.06);
  box-shadow:
    0 20px 60px rgba(0,0,0,.18),
    inset 0 1px 0 rgba(255,255,255,.18);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1;
}

.rs-faq .rs-head{
  text-align:center;
  margin-bottom: 18px;
}
.rs-faq .rs-brand{
  margin:0;
  letter-spacing:.08em;
  font-size: 14px;
  opacity:.9;
}
.rs-faq .rs-title{
  margin: 10px 0 0;
  font-weight: 800;
  letter-spacing:.06em;
  font-size: clamp(26px, 3.2vw, 44px);
  line-height: 1.15;
  text-shadow: 0 10px 30px rgba(0,0,0,.18);
}
.rs-faq__lead{
  margin: 10px 0 0;
  opacity: .92;
  line-height: 1.7;
}

/* FAQ accordion */
.rs-faq__list{
  margin-top: 18px;
  display:grid;
  gap: 12px;
}

.rs-faq__item{
  border: 1px solid rgba(255,255,255,.42);
  background: linear-gradient(135deg, rgba(255,255,255,.14), rgba(255,255,255,.06));
  border-radius: 18px;
  box-shadow:
    0 18px 40px rgba(0,0,0,.14),
    inset 0 1px 0 rgba(255,255,255,.14);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow:hidden;
}

.rs-faq__item > summary{
  list-style:none;
}
.rs-faq__item > summary::-webkit-details-marker{
  display:none;
}

.rs-faq__q{
  cursor:pointer;
  display:flex;
  align-items:center;
  gap: 12px;
  padding: 14px 16px;
  user-select:none;
}

.rs-faq__badge{
  flex: 0 0 auto;
  font-weight: 900;
  letter-spacing: .06em;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.40);
  background: rgba(0,0,0,.14);
}

.rs-faq__qtext{
  flex: 1 1 auto;
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1.5;
}

.rs-faq__chev{
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  display:grid;
  place-items:center;
  opacity: .9;
  transform: rotate(0deg);
  transition: transform .22s ease;
}
.rs-faq__chev svg{ width:22px; height:22px; }

.rs-faq__item[open] .rs-faq__chev{
  transform: rotate(180deg);
}

/* 回答部分（JSで高さアニメ） */
.rs-faq__a{
  height: 0;
  overflow: hidden;
  transition: height .26s ease;
}
.rs-faq__ainner{
  padding: 0 16px 16px;
}
.rs-faq__atext{
  margin: 0;
  opacity: .95;
  line-height: 1.85;
}

/* focus */
.rs-faq__q:focus-visible{
  outline: 3px solid rgba(255,255,255,.72);
  outline-offset: 3px;
}

/* Responsive */
@media (max-width: 860px){
  .rs-faq__diamond{ left: -140px; top: 42%; width: min(520px, 78vw); opacity:.75; }
  .rs-faq__q{ padding: 14px 14px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  .rs-faq__a, .rs-faq__chev{ transition: none !important; }
  .rs-faq__diamond img{ animation: none !important; }
}