.page-faq {
  --faq-pad: clamp(18px, 3vw, 34px);
  --faq-side-w: 264px;
  --faq-radius: 18px;
  --faq-shadow: 0 18px 46px rgba(10, 22, 40, 0.1);
  scroll-behavior: smooth;
}
.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

.page-faq .faq-top {
  position: relative;
  margin-top: clamp(16px, 3vw, 32px);
  padding: clamp(28px, 5vw, 56px) var(--faq-pad) clamp(24px, 4vw, 42px);
  border-radius: calc(var(--faq-radius) + 4px);
  overflow: hidden;
  background:
    radial-gradient(circle at 88% 16%, rgba(45, 225, 194, 0.16), transparent 32%),
    linear-gradient(135deg, #0d2138 0%, var(--c-navy) 62%);
  color: var(--c-cream);
}
.page-faq .faq-top::before {
  content: "Q&A";
  position: absolute;
  right: 3%;
  top: 4%;
  font-family: var(--ff-heading);
  font-size: clamp(84px, 13vw, 176px);
  font-weight: 700;
  line-height: 0.9;
  color: rgba(255, 107, 53, 0.22);
  letter-spacing: 0.02em;
  z-index: 0;
  pointer-events: none;
}
.page-faq .faq-top::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--c-orange) 0 34%, var(--c-cyan) 34% 100%);
}
.page-faq .faq-top__inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
}
.page-faq .faq-top__tag {
  display: inline-flex;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-cyan);
  border: 1px solid rgba(45, 225, 194, 0.42);
  padding: 8px 12px;
}
.page-faq .faq-top__title {
  font-family: var(--ff-heading);
  font-size: clamp(30px, 5vw, 60px);
  line-height: 1.04;
  font-weight: 700;
  color: var(--c-white);
  margin: 18px 0 16px;
  letter-spacing: 0.01em;
}
.page-faq .faq-top__lead {
  font-family: var(--ff-body);
  font-size: var(--fs-body);
  line-height: 1.72;
  color: rgba(245, 240, 232, 0.82);
  max-width: 640px;
  margin: 0 0 24px;
}
.page-faq .faq-search {
  position: relative;
  margin-bottom: 18px;
}
.page-faq .faq-search__input {
  width: 100%;
  padding: 15px 52px 15px 20px;
  border-radius: 999px;
  border: 2px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.08);
  color: var(--c-white);
  font-family: var(--ff-body);
  font-size: 16px;
  transition: border-color 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}
.page-faq .faq-search__input::placeholder {
  color: rgba(245, 240, 232, 0.52);
}
.page-faq .faq-search__input:focus {
  outline: none;
  border-color: var(--c-orange);
  background: rgba(255, 255, 255, 0.14);
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.18);
}
.page-faq .faq-search__icon {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--c-orange);
  display: grid;
  place-items: center;
  pointer-events: none;
}
.page-faq .faq-hot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
}
.page-faq .faq-hot__label {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(245, 240, 232, 0.5);
}
.page-faq .faq-hot .tag {
  margin: 0;
  cursor: pointer;
}

.page-faq .faq-layout {
  display: grid;
  gap: clamp(20px, 4vw, 44px);
  margin-top: clamp(20px, 4vw, 48px);
}
.page-faq .faq-sidebar {
  min-width: 0;
}
.page-faq .faq-nav {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--faq-radius);
  padding: 16px 14px;
  box-shadow: 0 2px 0 rgba(10, 22, 40, 0.04);
}
.page-faq .faq-nav__label {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-slate);
  margin: 0 0 10px;
  display: block;
}
.page-faq .faq-nav__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 10px;
  border-bottom: 1px solid var(--c-line);
  font-family: var(--ff-heading);
  font-size: 16px;
  font-weight: 500;
  color: var(--c-navy);
  text-decoration: none;
  transition: color 0.25s ease, padding-left 0.25s ease, background 0.25s ease;
}
.page-faq .faq-nav__link:last-child {
  border-bottom: 0;
}
.page-faq .faq-nav__link:hover {
  color: var(--c-orange);
  padding-left: 16px;
  background: rgba(255, 107, 53, 0.06);
}
.page-faq .faq-nav__num {
  font-family: var(--ff-mono);
  font-size: 12px;
  color: var(--c-orange);
}
.page-faq .faq-side-link {
  margin-top: 16px;
  background: var(--c-teal);
  border-radius: var(--faq-radius);
  padding: 22px;
  color: var(--c-cream);
}
.page-faq .faq-side-link__title {
  font-family: var(--ff-heading);
  font-size: 19px;
  font-weight: 600;
  color: var(--c-white);
  margin: 0 0 6px;
}
.page-faq .faq-side-link p {
  font-size: 14px;
  line-height: 1.55;
  color: rgba(245, 240, 232, 0.74);
  margin: 0 0 16px;
}

.page-faq .faq-main {
  display: grid;
  gap: clamp(44px, 6vw, 72px);
  min-width: 0;
}

.page-faq .faq-section {
  position: relative;
  scroll-margin-top: calc(var(--header-h) + 24px);
}
.page-faq .faq-section:target {
  border-left: 3px solid var(--c-orange);
}
.page-faq .faq-section:target .chapter__title {
  color: var(--c-orange);
}
.page-faq .faq-section__lead {
  font-family: var(--ff-body);
  font-size: 18px;
  line-height: 1.65;
  color: var(--c-slate);
  margin: 16px 0 24px;
}

.page-faq .faq-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 20px;
}
.page-faq .faq-step {
  position: relative;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--faq-radius);
  padding: 22px;
  overflow: hidden;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.page-faq .faq-step::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: var(--c-orange);
}
.page-faq .faq-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--faq-shadow);
}
.page-faq .faq-step__num {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--c-navy);
  color: var(--c-white);
  font-family: var(--ff-mono);
  font-size: 16px;
  margin-bottom: 14px;
}
.page-faq .faq-step__title {
  font-family: var(--ff-heading);
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 8px;
  color: var(--c-navy);
}
.page-faq .faq-step p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-slate);
  margin: 0;
}

.page-faq .faq-art {
  margin: 0 0 28px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--faq-radius);
  overflow: hidden;
}
.page-faq .faq-art__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-faq .faq-item-list {
  display: grid;
  gap: 12px;
}
.page-faq .faq-item {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-left: 4px solid transparent;
  border-radius: var(--faq-radius);
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.page-faq .faq-item:has(input:checked) {
  border-color: rgba(255, 107, 53, 0.55);
  border-left-color: var(--c-orange);
  box-shadow: var(--faq-shadow);
}
.page-faq .faq-item__q {
  margin: 0;
}
.page-faq .faq-item__label {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  transition: background 0.3s ease;
}
.page-faq .faq-item__label:hover {
  background: rgba(245, 240, 232, 0.5);
}
.page-faq .faq-item input:focus-visible + .faq-item__q .faq-item__label {
  outline: 2px solid var(--c-orange);
  outline-offset: -2px;
}
.page-faq .faq-item__num {
  font-family: var(--ff-mono);
  font-size: 13px;
  color: var(--c-orange);
  background: rgba(255, 107, 53, 0.1);
  padding: 4px 8px;
  border-radius: 4px;
  line-height: 1;
}
.page-faq .faq-item__title {
  flex: 1;
  font-family: var(--ff-heading);
  font-size: 17px;
  font-weight: 500;
  line-height: 1.35;
  color: var(--c-navy);
  transition: color 0.3s ease;
}
.page-faq .faq-item__icon {
  position: relative;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  border: 2px solid var(--c-line);
  border-radius: 50%;
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--c-navy);
  transition: background 0.3s ease;
}
.page-faq .faq-item__icon::before {
  width: 8px;
  height: 2px;
}
.page-faq .faq-item__icon::after {
  width: 2px;
  height: 8px;
}
.page-faq .faq-item input:checked + .faq-item__q .faq-item__icon {
  border-color: var(--c-orange);
  transform: rotate(90deg);
}
.page-faq .faq-item input:checked + .faq-item__q .faq-item__icon::after {
  display: none;
}
.page-faq .faq-item input:checked + .faq-item__q .faq-item__icon::before {
  background: var(--c-orange);
}
.page-faq .faq-item input:checked + .faq-item__q .faq-item__title {
  color: var(--c-orange);
}
.page-faq .faq-item__a {
  display: grid;
  grid-template-rows: 0fr;
  visibility: hidden;
  opacity: 0;
  transition: grid-template-rows 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease, visibility 0s linear 0.5s;
}
.page-faq .faq-item__a p {
  min-height: 0;
  overflow: hidden;
  margin: 0;
  padding: 0 18px 18px;
  font-family: var(--ff-body);
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--c-slate);
}
.page-faq .faq-item input:checked ~ .faq-item__a {
  grid-template-rows: 1fr;
  visibility: visible;
  opacity: 1;
  transition: grid-template-rows 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease, visibility 0s;
}

.page-faq .faq-feedback {
  display: grid;
  margin-top: 44px;
  background: var(--c-navy);
  border-radius: calc(var(--faq-radius) + 4px);
  overflow: hidden;
  color: var(--c-cream);
  box-shadow: var(--faq-shadow);
}
.page-faq .faq-feedback__text {
  padding: clamp(22px, 4vw, 34px);
}
.page-faq .faq-feedback__text h3 {
  font-family: var(--ff-heading);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 600;
  color: var(--c-white);
  margin: 0 0 10px;
}
.page-faq .faq-feedback__text p {
  font-size: 15px;
  line-height: 1.65;
  color: rgba(245, 240, 232, 0.76);
  margin: 0 0 20px;
  max-width: 480px;
}
.page-faq .faq-feedback__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.page-faq .faq-feedback__actions .btn--ghost {
  border-color: rgba(245, 240, 232, 0.5);
  color: var(--c-cream);
}
.page-faq .faq-feedback__fig {
  margin: 0;
}
.page-faq .faq-feedback__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.page-faq .faq-art__cap,
.page-faq .faq-feedback__cap {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-slate);
  padding: 12px 16px;
  border-top: 1px solid var(--c-line);
}
.page-faq .faq-feedback__cap {
  border-top-color: rgba(255, 255, 255, 0.12);
  color: rgba(245, 240, 232, 0.72);
}

@media (min-width: 720px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }
  .page-faq .faq-feedback {
    grid-template-columns: minmax(0, 1fr) 260px;
    align-items: stretch;
  }
  .page-faq .faq-feedback__fig img {
    height: 100%;
    aspect-ratio: auto;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-side-w) minmax(0, 1fr);
    align-items: start;
  }
  .page-faq .faq-sidebar {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
  .page-faq .faq-main {
    border-left: 1px solid var(--c-line);
    padding-left: clamp(18px, 3vw, 36px);
  }
  .page-faq .faq-layout:has(#faq-quick-start:target) .faq-sidebar .faq-nav__link[href="#faq-quick-start"],
  .page-faq .faq-layout:has(#faq-filter:target) .faq-sidebar .faq-nav__link[href="#faq-filter"],
  .page-faq .faq-layout:has(#faq-headtohead:target) .faq-sidebar .faq-nav__link[href="#faq-headtohead"],
  .page-faq .faq-layout:has(#faq-member:target) .faq-sidebar .faq-nav__link[href="#faq-member"],
  .page-faq .faq-layout:has(#faq-feedback:target) .faq-sidebar .faq-nav__link[href="#faq-feedback"] {
    color: var(--c-orange);
    background: rgba(255, 107, 53, 0.08);
    border-left: 3px solid var(--c-orange);
  }
}