/* 常見問題 */
.faq {
  position: relative;
  width: 100%;
  padding: clamp(3rem, 8vw, 10rem) clamp(1.25rem, 4vw, 5rem);
  overflow-x: clip;
  isolation: isolate;
}

.faq::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: clamp(1.5rem, 3vw, 2.5rem);
  bottom: clamp(1.5rem, 3vw, 2.5rem);
  left: min(38vw, 400px);
  right: 0;
  border-radius: 0 350px 350px 0;
  background: linear-gradient(270deg, rgba(32, 102, 177, 0.58) 0%, rgba(38, 51, 149, 0) 100%);
  pointer-events: none;
}

.faq::after {
  content: "";
  position: absolute;
  z-index: 0;
  top: clamp(1.5rem, 3vw, 2.5rem);
  bottom: clamp(1.5rem, 3vw, 2.5rem);
  left: 0;
  right: auto;
  width: min(42vw, 420px);
  background: url("../images/faq/background.png") no-repeat left center / auto 100%;
  pointer-events: none;
}

.faq__inner::before {
  content: "";
  position: absolute;
  inset: -clamp(3rem, 8vw, 10rem) -clamp(1.25rem, 4vw, 5rem);
  z-index: 0;
  pointer-events: none;
  background-image:
    radial-gradient(1px 1px at 12% 24%, rgba(255, 255, 255, 0.35), transparent),
    radial-gradient(1px 1px at 84% 18%, rgba(120, 180, 255, 0.4), transparent),
    radial-gradient(1px 1px at 44% 76%, rgba(255, 255, 255, 0.28), transparent);
}

.faq__inner {
  position: relative;
  z-index: 1;
  max-width: 80rem;
  margin: 0 auto;
}

.faq__layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
  align-items: start;
  gap: clamp(2rem, 5vw, 4rem);
}

.faq__figure {
  margin: 0;
  min-width: 0;
}

.faq__photo {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.faq__content {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.faq__head {
  margin-bottom: clamp(1.5rem, 3vw, 2rem);
  text-align: right;
}

.faq__title {
  margin: 0 0 1rem;
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  line-height: 1.4;
  color: #fff;
}

.faq__line {
  display: block;
  width: min(7.5rem, 55%);
  height: 3px;
  margin-left: auto;
  border: none;
  border-radius: 999px;
  background: #8097F7;
}

.faq__list {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.faq__item {
  border-radius: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  overflow: hidden;
}

.faq__trigger {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.25rem);
  width: 100%;
  margin: 0;
  padding: clamp(0.875rem, 2vw, 1rem) clamp(1rem, 2.5vw, 1.25rem);
  border: none;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.faq__trigger:focus-visible {
  outline: 2px solid #2b7fff;
  outline-offset: 2px;
}

.faq__question {
  font-size: clamp(0.875rem, 2vw, 0.9375rem);
  font-weight: 500;
  line-height: 1.5;
  color: #fff;
}

.faq__chevron {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
}

.faq__chevron::before {
  content: "";
  display: block;
  width: 0.45rem;
  height: 0.45rem;
  border-right: 2px solid rgba(255, 255, 255, 0.45);
  border-bottom: 2px solid rgba(255, 255, 255, 0.45);
  transform: rotate(45deg);
  transition: transform 0.25s ease;
}

.faq__item.is-open .faq__chevron::before {
  transform: rotate(-135deg);
}

.faq__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
}

.faq__item.is-open .faq__panel {
  grid-template-rows: 1fr;
}

.faq__panel-inner {
  overflow: hidden;
}

.faq__panel-inner p {
  margin: 0;
  padding: 0 clamp(1rem, 2.5vw, 1.25rem) clamp(0.875rem, 2vw, 1rem);
  font-size: 0.8125rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.5);
}

.faq__more {
  display: inline-flex;
  align-items: center;
  align-self: flex-end;
  gap: 0.35rem;
  margin-top: clamp(1.25rem, 3vw, 1.5rem);
  padding: 0.5rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.8125rem;
  line-height: 1.4;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}

.faq__more:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

@media (max-width: 768px) {
  .faq::before {
    left: 0;
    right: 0;
    border-radius: 0;
  }

  .faq::after {
    display: none;
  }

  .faq__layout {
    grid-template-columns: 1fr;
  }

  .faq__figure {
    display: none;
  }

  .faq__line {
    width: min(7.5rem, 40%);
  }
}