.page-faq {
  --faq-rail-w: 224px;
  --faq-gap: clamp(28px, 4vw, 80px);
  --faq-tint: rgba(29, 43, 43, .55);
  background: var(--ink-900);
  color: var(--mist-200);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  overflow-x: hidden;
}

.page-faq a {
  color: inherit;
  text-decoration: none;
}

/* ---------- hero ---------- */
.page-faq .faq-hero {
  padding: calc(var(--header-h) + clamp(36px, 6vw, 76px)) 0 clamp(28px, 4vw, 52px);
  border-bottom: 1px solid var(--line-soft);
  background:
    linear-gradient(180deg, rgba(18, 33, 28, .9) 0%, rgba(11, 21, 18, 1) 78%);
  position: relative;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(92, 110, 108, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(92, 110, 108, .07) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .8), transparent 92%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .8), transparent 92%);
}

.page-faq .faq-hero .yb-shell {
  position: relative;
  z-index: 1;
}

.page-faq .yb-crumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .yb-eyebrow {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0 0 14px;
}

.page-faq .faq-hero__title {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 56px);
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--paper-050);
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  max-width: 22ch;
}

.page-faq .faq-hero__lede {
  max-width: 62ch;
  color: var(--mist-200);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  margin: 0 0 clamp(24px, 3.6vw, 40px);
}

.page-faq .faq-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-faq .faq-hero__chip {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--text-dim);
  border-top: 1px solid var(--line);
  padding-top: 10px;
  min-width: 132px;
}

.page-faq .faq-hero__chip-num {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 12px;
  color: var(--orange-500);
}

/* ---------- .page-faq grid ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
  padding-top: clamp(28px, 4vw, 56px);
  padding-bottom: clamp(56px, 8vw, 120px);
  align-items: start;
}

/* ---------- rail ---------- */
.page-faq .faq-rail {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line-soft);
  padding: 14px 0;
}

.page-faq .faq-rail__label {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--text-faint);
  margin: 0 0 10px;
  text-transform: uppercase;
}

.page-faq .faq-rail__list {
  display: flex;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--text-dim);
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  color: var(--paper-050);
  border-color: var(--line-strong);
}

.page-faq .faq-rail__link.is-current {
  color: var(--orange-500);
  border-color: rgba(255, 106, 43, .55);
  background: rgba(255, 106, 43, .08);
}

.page-faq .faq-rail__num {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 12px;
  color: var(--orange-500);
}

.page-faq .faq-rail__link.is-current .faq-rail__num {
  color: var(--orange-500);
}

.page-faq .faq-rail__count {
  font-family: var(--font-num);
  font-size: 11px;
  color: var(--text-faint);
}

.page-faq .faq-rail__tip {
  display: none;
  margin: 18px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-faint);
  border-left: 2px solid var(--line);
  padding-left: 12px;
}

/* ---------- flow / sections ---------- */
.page-faq .faq-flow {
  min-width: 0;
}

.page-faq .faq-sec {
  scroll-margin-top: calc(var(--header-h) + 24px);
  padding-bottom: clamp(44px, 6vw, 88px);
  margin-bottom: clamp(44px, 6vw, 88px);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-sec:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-sec__head {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num title"
    "note note";
  align-items: baseline;
  gap: 6px 14px;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .faq-sec__head .yb-section__num {
  grid-area: num;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 13px;
  color: var(--orange-500);
  border-top: 2px solid var(--orange-500);
  padding-top: 6px;
  align-self: start;
  transition: color .25s ease, border-color .25s ease;
}

.page-faq .faq-sec__head .yb-section__title {
  grid-area: title;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(23px, 3vw, 34px);
  letter-spacing: -.01em;
  line-height: 1.25;
  color: var(--paper-050);
  margin: 0;
  transition: color .25s ease;
}

.page-faq .faq-sec__head .yb-section__note {
  grid-area: note;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
  margin: 0;
}

.page-faq .faq-sec.is-current .yb-section__head .yb-section__title {
  color: var(--paper-050);
}

.page-faq .faq-sec.is-current .yb-section__head .yb-section__num {
  color: var(--lime-400);
  border-color: var(--lime-400);
}

/* ---------- figures ---------- */
.page-faq .faq-figure {
  margin: 0 0 clamp(22px, 3vw, 36px);
  border: 1px solid var(--line-soft);
  background: var(--faq-tint);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-figure--wide img {
  aspect-ratio: 3 / 2;
}

.page-faq .faq-figure--device img {
  aspect-ratio: 4 / 3;
}

.page-faq .faq-figure__cap {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text-faint);
  padding: 10px 14px;
  border-top: 1px solid var(--line-soft);
}

/* ---------- Q&A list ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-q {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-q__btn {
  display: grid;
  grid-template-columns: 34px 1fr 20px;
  align-items: start;
  gap: 12px;
  width: 100%;
  min-height: 44px;
  padding: 18px 0;
  background: none;
  border: 0;
  text-align: left;
  color: inherit;
  font: inherit;
  cursor: pointer;
  transition: color .2s ease;
}

.page-faq .faq-q__btn:hover .faq-q__text,
.page-faq .faq-q__btn:focus-visible .faq-q__text {
  color: var(--paper-050);
}

.page-faq .faq-q__btn:focus-visible {
  outline: 2px solid var(--lime-400);
  outline-offset: 3px;
}

.page-faq .faq-q__idx {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 12px;
  line-height: 1.75;
  color: var(--text-faint);
  border-left: 2px solid var(--line);
  padding-left: 8px;
  transition: color .2s ease, border-color .2s ease;
}

.page-faq .faq-q__text {
  font-size: clamp(15px, 1.7vw, 17px);
  font-weight: 500;
  line-height: 1.62;
  color: var(--mist-200);
  transition: color .2s ease;
}

.page-faq .faq-q__sign {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 7px;
  justify-self: end;
}

.page-faq .faq-q__sign::before,
.page-faq .faq-q__sign::after {
  content: "";
  position: absolute;
  background: var(--slate-500);
  transition: transform .22s ease, background-color .22s ease;
}

.page-faq .faq-q__sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 1px;
}

.page-faq .faq-q__sign::after {
  left: 6px;
  top: 0;
  width: 1px;
  height: 14px;
}

.page-faq .faq-q[data-open] .faq-q__sign::after {
  transform: scaleY(0);
}

.page-faq .faq-q[data-open] .faq-q__sign::before {
  background: var(--orange-500);
}

.page-faq .faq-q[data-open] .faq-q__idx {
  color: var(--orange-500);
  border-color: var(--orange-500);
}

.page-faq .faq-q[data-open] .faq-q__text {
  color: var(--paper-050);
}

.page-faq .faq-q__panel {
  padding: 0 0 22px 46px;
  animation: faqSlide .22s ease both;
}

.page-faq .faq-q__panel p {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
}

@keyframes faqSlide {
  from { opacity: 0; transform: translateX(10px); }
  to { opacity: 1; transform: translateX(0); }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-q__panel { animation: none; }
}

/* ---------- glossary table ---------- */
.page-faq .faq-sec--table {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--faq-tint);
}

.page-faq .faq-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-faq .faq-table thead th {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-faint);
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(11, 21, 18, .55);
  white-space: nowrap;
}

.page-faq .faq-table tbody th {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 13px;
  color: var(--lime-400);
  text-align: left;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line-soft);
  white-space: nowrap;
  vertical-align: top;
}

.page-faq .faq-table tbody td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--mist-200);
  line-height: 1.7;
  vertical-align: top;
}

.page-faq .faq-table tbody tr:last-child th,
.page-faq .faq-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .faq-table tbody tr:hover th,
.page-faq .faq-table tbody tr:hover td {
  background: rgba(201, 242, 78, .04);
}

.page-faq .faq-table__lv {
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--text-dim) !important;
  white-space: nowrap;
}

/* ---------- exit ---------- */
.page-faq .faq-exit__path {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 0 clamp(20px, 3vw, 32px);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--faq-tint);
  padding: 10px 14px;
  box-sizing: border-box;
}

.page-faq .faq-exit__text {
  max-width: 68ch;
  margin: 0 0 clamp(22px, 3vw, 34px);
  font-size: 15px;
  line-height: 1.9;
  color: var(--mist-200);
}

.page-faq .faq-exit__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-exit__actions .yb-btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

/* ---------- tablet ---------- */
@media (min-width: 768px) {
  .page-faq .faq-q__btn {
    grid-template-columns: 44px 1fr 22px;
    gap: 16px;
    padding: 22px 0;
  }

  .page-faq .faq-q__panel {
    padding-left: 60px;
  }

  .page-faq .faq-sec__head {
    grid-template-columns: auto 1fr auto;
    grid-template-areas: "num title note";
    gap: 10px 18px;
    align-items: end;
  }

  .page-faq .faq-sec__head .yb-section__note {
    text-align: right;
    max-width: 34ch;
  }
}

/* ---------- desktop rail ---------- */
@media (min-width: 1024px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: var(--faq-gap);
    padding-top: clamp(40px, 5vw, 72px);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
    border-top: 1px solid var(--line);
    border-bottom: 0;
    padding: 18px 0 0;
    background: transparent;
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0;
  }

  .page-faq .faq-rail__link {
    display: grid;
    grid-template-columns: 26px 1fr auto;
    gap: 10px;
    align-items: center;
    width: 100%;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    padding: 13px 0 13px 14px;
    white-space: normal;
    transition: border-color .2s ease, color .2s ease, background-color .2s ease;
  }

  .page-faq .faq-rail__link:hover {
    border-left-color: var(--line-strong);
    background: rgba(29, 43, 43, .4);
  }

  .page-faq .faq-rail__link.is-current {
    border-left-color: var(--orange-500);
    background: rgba(255, 106, 43, .07);
  }

  .page-faq .faq-rail__text {
    font-size: 14px;
    line-height: 1.4;
  }

  .page-faq .faq-rail__tip {
    display: block;
  }

  .page-faq .faq-figure--device {
    max-width: 72%;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-flow {
    max-width: 940px;
  }

  .page-faq .faq-q__panel p {
    font-size: 15.5px;
  }
}
</main>