.page-faq {
  background: var(--ink);
  color: var(--text);
}

.page-faq .faq-top {
  padding-top: clamp(24px, 5vw, 56px);
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-faq .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--cyan);
}

.page-faq .breadcrumb__sep {
  color: var(--line);
}

/* ---------- hero ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
  margin-top: clamp(20px, 4vw, 40px);
  align-items: start;
}

.page-faq .faq-hero__main h1 {
  font-family: var(--font-display);
  font-size: clamp(34px, 7.4vw, 74px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 12px 0 0;
}

.page-faq .faq-hero__main .lead {
  max-width: 42ch;
  margin: clamp(14px, 2vw, 22px) 0 0;
  color: var(--muted);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-faq .faq-hero__status {
  padding: clamp(18px, 3vw, 28px);
  background:
    linear-gradient(158deg, rgba(32, 227, 255, 0.16), rgba(32, 227, 255, 0) 58%),
    var(--panel);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
}

.page-faq .faq-status__title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-faq .faq-status__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 14px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 13px;
}

.page-faq .faq-status__row:last-child {
  border-bottom: 0;
  padding-bottom: 4px;
}

.page-faq .faq-status__k {
  color: var(--muted);
}

.page-faq .faq-status__v {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--text);
  font-size: 12px;
}

.page-faq .faq-status__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 3px rgba(200, 255, 61, 0.16);
}

/* ---------- layout ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  padding: clamp(32px, 6vw, 72px) 0 clamp(48px, 8vw, 96px);
}

.page-faq .faq-rail__title {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-rail__list li {
  flex: 0 0 auto;
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 12px 7px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-faq .faq-rail__no {
  font-size: 11px;
  color: var(--line);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  color: var(--text);
  border-bottom-color: var(--cyan);
}

.page-faq .faq-rail__link[aria-current="true"] {
  color: var(--text);
  border-bottom-color: var(--cyan);
}

.page-faq .faq-rail__link[aria-current="true"] .faq-rail__no {
  color: var(--orange);
}

/* ---------- section head ---------- */
.page-faq .faq-sec {
  margin-bottom: clamp(40px, 7vw, 84px);
  scroll-margin-top: 84px;
}

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

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  margin-bottom: clamp(16px, 3vw, 28px);
}

.page-faq .faq-group__num {
  font-size: clamp(18px, 3vw, 26px);
  line-height: 1.1;
  color: var(--orange);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 3.4vw, 33px);
  line-height: 1.15;
  letter-spacing: -0.015em;
}

.page-faq .faq-group__lead {
  grid-column: 2 / -1;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

/* ---------- diagnosis index ---------- */
.page-faq .diag {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .diag__item {
  min-width: 0;
}

.page-faq .diag__item a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 12px;
  align-content: start;
  height: 100%;
  padding: clamp(16px, 2.4vw, 24px);
  background: var(--ink-2);
  color: var(--text);
  text-decoration: none;
  transition: background 180ms var(--ease);
}

.page-faq .diag__item a:hover,
.page-faq .diag__item a:focus-visible {
  background: var(--panel);
}

.page-faq .diag__num {
  grid-row: 1 / span 3;
  font-size: 12px;
  color: var(--cyan);
  padding-top: 3px;
}

.page-faq .diag__item strong {
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.5;
}

.page-faq .diag__desc {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.page-faq .diag__go {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

/* ---------- Q&A ---------- */
.page-faq .qa {
  border-bottom: 1px solid var(--line);
  background: transparent;
}

.page-faq .qa[open] {
  background: linear-gradient(90deg, rgba(32, 227, 255, 0.07), rgba(32, 227, 255, 0) 62%);
}

.page-faq .qa summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: start;
  padding: 16px 2px;
  cursor: pointer;
  list-style: none;
  color: var(--text);
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.55;
  font-weight: 600;
}

.page-faq .qa summary::-webkit-details-marker {
  display: none;
}

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .qa__no {
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
  padding-top: 5px;
}

.page-faq .qa[open] .qa__no {
  color: var(--cyan);
}

.page-faq .qa__sign {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 4px;
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 14px;
  height: 1px;
  background: var(--muted);
}

.page-faq .qa__sign::after {
  transform: rotate(90deg);
  transition: transform 200ms var(--ease), opacity 200ms var(--ease);
}

.page-faq .qa[open] .qa__sign::after {
  transform: rotate(0deg);
  opacity: 0;
}

.page-faq .qa[open] .qa__sign::before {
  background: var(--orange);
}

.page-faq .qa__body {
  padding: 0 2px 20px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text);
}

.page-faq .qa__body p {
  margin: 0 0 10px;
}

.page-faq .qa__body p:last-child {
  margin-bottom: 0;
}

.page-faq .qa__body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .qa__note {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
  padding-left: 10px;
  border-left: 1px solid var(--line);
}

.page-faq .qa-steps {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .qa-steps li {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  color: var(--text);
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .qa-steps .mono {
  color: var(--lime);
  font-size: 12px;
  padding-top: 3px;
}

/* ---------- figures ---------- */
.page-faq .faq-figure {
  margin: clamp(20px, 3.5vw, 32px) 0 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-faq .faq-figure .figure__media {
  display: block;
  overflow: hidden;
}

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

.page-faq .faq-figure .figure__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.page-faq .faq-bridge {
  margin: clamp(18px, 3vw, 26px) 0 0;
}

/* ---------- visit list ---------- */
.page-faq .visit-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 14px 16px;
  display: grid;
  gap: 10px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-left: 2px solid var(--lime);
}

.page-faq .visit-list label {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  line-height: 1.6;
  cursor: pointer;
  color: var(--text);
}

.page-faq .visit-list input {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin: 3px 0 0;
  accent-color: var(--lime);
}

.page-faq .visit-list input:checked + span {
  color: var(--lime);
}

/* ---------- contact ---------- */
.page-faq .contact-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .contact-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(16px, 2.6vw, 24px);
  background: var(--panel);
}

.page-faq .contact-card__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-faq .contact-card__value {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  word-break: break-word;
  color: var(--text);
}

.page-faq .contact-card__note {
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .faq-copy {
  align-self: flex-start;
  padding: 6px 12px;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: border-color 160ms var(--ease), color 160ms var(--ease);
}

.page-faq .faq-copy:hover,
.page-faq .faq-copy:focus-visible {
  border-color: var(--cyan);
  color: var(--text);
}

.page-faq .feedback {
  margin-top: clamp(20px, 3vw, 32px);
  padding: clamp(18px, 3vw, 28px);
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange);
}

.page-faq .feedback h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.4vw, 21px);
  letter-spacing: -0.01em;
}

.page-faq .feedback p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}

.page-faq .feedback__tpl {
  display: block;
  margin: 0 0 16px;
  padding: 12px 14px;
  background: var(--ink);
  border: 1px dashed var(--line);
  color: var(--lime);
  font-size: 12px;
  line-height: 1.7;
  word-break: break-word;
}

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

/* ---------- responsive ---------- */
@media (min-width: 700px) {
  .page-faq .diag {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .contact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-hero__main .lead {
    font-size: 17px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.6fr);
  }

  .page-faq .faq-layout {
    grid-template-columns: minmax(176px, 216px) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: clamp(24px, 4vw, 40px);
  }

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

  .page-faq .faq-rail__link {
    border-bottom: 0;
    border-left: 1px solid var(--line);
    padding: 9px 0 9px 12px;
    white-space: normal;
    transition: border-color 160ms var(--ease), background 160ms var(--ease), color 160ms var(--ease);
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    border-left-color: var(--cyan);
  }

  .page-faq .faq-rail__link[aria-current="true"] {
    border-left-color: var(--cyan);
    background: rgba(32, 227, 255, 0.07);
    padding-left: 12px;
  }

  .page-faq .diag {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .qa__body {
    padding-left: 34px;
  }

  .page-faq .figure--tall {
    max-width: 720px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .diag__item a,
  .page-faq .faq-copy,
  .page-faq .faq-rail__link,
  .page-faq .qa__sign::after {
    transition: none;
  }
}
<<<END>>>