.page-faq {
  background: var(--c-paper);
  color: var(--c-char);
  scroll-behavior: smooth;
}

.page-faq .container {
  max-width: var(--max-w);
  width: calc(100% - var(--gutter) * 2);
  margin-inline: auto;
}

.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 3px solid var(--c-violet);
  outline-offset: 2px;
  border-radius: 4px;
}

.page-faq__head {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--c-ink) 0%, var(--c-cobalt) 100%);
  color: var(--c-reading);
  padding: 36px 0 56px;
  margin-bottom: 48px;
}

.page-faq__head::before {
  content: "";
  position: absolute;
  top: -70px;
  right: 6%;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: var(--c-gold);
  opacity: 0.12;
  pointer-events: none;
}

.page-faq__head::after {
  content: "";
  position: absolute;
  bottom: -90px;
  left: 42%;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 2px solid var(--c-violet);
  opacity: 0.35;
  pointer-events: none;
}

.page-faq__breadcrumb {
  position: relative;
  z-index: 1;
  margin-bottom: 40px;
}

.page-faq__breadcrumb .breadcrumb__link {
  color: var(--c-reading);
  opacity: 0.72;
  text-decoration: none;
}

.page-faq__breadcrumb .breadcrumb__link:hover {
  opacity: 1;
}

.page-faq__breadcrumb .breadcrumb__current {
  color: var(--c-gold);
}

.page-faq__head-grid {
  position: relative;
  z-index: 1;
}

.page-faq__head-kicker {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--c-gold);
  margin-bottom: 12px;
}

.page-faq__head-title {
  margin: 0 0 16px;
  font-size: clamp(2.8rem, 8vw, 5.6rem);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--c-reading);
}

.page-faq__head-lede {
  max-width: 580px;
  margin: 0 0 28px;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--c-reading);
  opacity: 0.85;
}

.page-faq__head-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq__head-stat {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 10px 16px;
  border: 1px solid rgba(247, 249, 252, 0.22);
  border-radius: var(--r-sm);
  font-size: 0.88rem;
  color: var(--c-reading);
}

.page-faq__head-stat b {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--c-gold);
}

.page-faq__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding-bottom: 80px;
}

.page-faq__side-box {
  background: #ffffff;
  border: 1px solid var(--c-silver);
  border-radius: var(--r-lg);
  padding: 28px 24px 22px;
}

.page-faq__side-kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--c-gold);
  margin-bottom: 6px;
}

.page-faq__side-title {
  margin: 0 0 20px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--c-ink);
}

.page-faq__index {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq__index-link {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border-left: 3px solid var(--c-silver);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: var(--c-paper);
  color: var(--c-char);
  text-decoration: none;
  transition: border-color var(--ease), background var(--ease);
}

.page-faq__index-link:hover,
.page-faq__index-link:focus-visible {
  border-left-color: var(--c-gold);
  background: #ffffff;
}

.page-faq__index-num {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--c-gold);
}

.page-faq__index-name {
  font-weight: 700;
}

.page-faq__index-count {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--c-char);
  opacity: 0.6;
}

.page-faq__chart {
  margin: 24px 0 0;
  padding: 12px;
  background: var(--c-paper);
  border-radius: var(--r-md);
  text-align: center;
}

.page-faq__chart-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-sm);
  display: block;
}

.page-faq__chart-cap {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-char);
  opacity: 0.65;
}

.page-faq__side-tip {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--c-silver);
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--c-char);
  opacity: 0.78;
}

.page-faq__side-tip a {
  color: var(--c-ink);
  font-weight: 700;
  text-decoration-color: var(--c-gold);
  text-underline-offset: 4px;
}

.page-faq__side-tip a:hover {
  color: var(--c-violet);
}

.page-faq__content {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.page-faq__group-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding-left: 18px;
  border-left: 4px solid var(--c-gold);
  margin-bottom: 22px;
}

.page-faq__group-index {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--c-gold);
}

.page-faq__group-title {
  margin: 2px 0 4px;
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--c-ink);
}

.page-faq__group-desc {
  margin: 0;
  font-size: 0.88rem;
  color: var(--c-char);
  opacity: 0.7;
}

.page-faq__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq__item {
  background: #ffffff;
  border: 1px solid var(--c-silver);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-faq__q {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  background: var(--c-gold);
  color: var(--c-ink);
  font-weight: 700;
  cursor: pointer;
  transition: background var(--ease), color var(--ease);
}

.page-faq__q::-webkit-details-marker {
  display: none;
}

.page-faq__q:hover {
  filter: brightness(0.96);
}

.page-faq__item[open] .page-faq__q {
  background: var(--c-ink);
  color: var(--c-reading);
}

.page-faq__q-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  background: var(--c-ink);
  color: var(--c-gold);
  padding: 4px 10px;
  border-radius: 100px;
  transition: background var(--ease), color var(--ease);
}

.page-faq__item[open] .page-faq__q-num {
  background: var(--c-gold);
  color: var(--c-ink);
}

.page-faq__q-text {
  flex: 1;
  line-height: 1.5;
}

.page-faq__q-icon {
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  color: inherit;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.page-faq__item[open] .page-faq__q-icon {
  transform: rotate(180deg);
}

.page-faq__a {
  padding: 18px 22px 22px;
  border-top: 1px solid var(--c-silver);
  background: var(--c-paper);
}

.page-faq__a p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--c-char);
}

.page-faq__service {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--c-ink) 0%, var(--c-cobalt) 100%);
  color: var(--c-reading);
  padding: 72px 0 64px;
}

.page-faq__service::before {
  content: "MAIL";
  position: absolute;
  top: 10px;
  right: 3%;
  font-family: var(--font-mono);
  font-size: clamp(5rem, 16vw, 13rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1;
  color: var(--c-violet);
  opacity: 0.12;
  pointer-events: none;
}

.page-faq__service-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-faq__service-kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  color: var(--c-gold);
  margin-bottom: 10px;
}

.page-faq__service-title {
  margin: 0 0 14px;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--c-reading);
}

.page-faq__service-desc {
  max-width: 430px;
  margin: 0 0 22px;
  line-height: 1.8;
  color: var(--c-reading);
  opacity: 0.82;
}

.page-faq__service-btn {
  margin-bottom: 18px;
}

.page-faq__service-note {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--c-reading);
  opacity: 0.7;
}

.page-faq__mailblock {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 34px 30px 28px;
  border-radius: var(--r-lg);
  background: var(--c-gold);
  color: var(--c-ink);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.page-faq__mailblock-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-ink);
  opacity: 0.72;
  margin-top: 16px;
}

.page-faq__mailblock-label:first-of-type {
  margin-top: 0;
}

.page-faq__mailblock-addr {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 2.6vw, 1.65rem);
  font-weight: 700;
  color: var(--c-ink);
  text-decoration: none;
  border-bottom: 2px solid var(--c-ink);
  transition: opacity var(--ease);
}

.page-faq__mailblock-addr:hover {
  opacity: 0.72;
}

.page-faq__mailblock-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(10, 20, 40, 0.25);
}

.page-faq__mailblock-meta-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-ink);
  opacity: 0.62;
}

.page-faq__mono {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--c-ink);
  text-decoration: none;
}

.page-faq__service-fig {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  align-items: center;
  margin: 0;
  padding: 14px;
  border-radius: var(--r-md);
  background: rgba(247, 249, 252, 0.08);
}

.page-faq__service-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-sm);
  display: block;
}

.page-faq__service-cap {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--c-reading);
  opacity: 0.64;
}

@media (min-width: 640px) {
  .page-faq__service-fig {
    grid-template-columns: min(360px, 50%) 1fr;
  }
}

@media (min-width: 992px) {
  .page-faq__head {
    padding: 44px 0 68px;
  }

  .page-faq__head-lede {
    max-width: 640px;
    font-size: 1.12rem;
  }

  .page-faq__layout {
    grid-template-columns: 340px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq__side-box {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-faq__service-grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 40px;
    align-items: stretch;
  }

  .page-faq__service-fig {
    grid-column: 1 / -1;
  }
}