.page-faq {
  background-color: var(--c-bg);
  background-image:
    linear-gradient(rgba(42, 74, 106, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 74, 106, 0.16) 1px, transparent 1px);
  background-size: 32px 32px;
  scroll-behavior: smooth;
}

.page-faq,
.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

.page-faq .faq-shell {
  max-width: var(--container-w);
  margin-inline: auto;
  padding: 32px clamp(16px, 4vw, 48px) 64px;
}

.page-faq .faq-topline {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 32px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--c-line);
  color: var(--c-sub);
  font-size: 12px;
}

.page-faq .faq-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--c-sub);
  font-size: 12px;
}

.page-faq .faq-breadcrumb a {
  color: var(--c-sub);
  text-decoration: none;
  transition: color 0.15s ease;
}

.page-faq .faq-breadcrumb a:hover {
  color: var(--c-green);
}

.page-faq .faq-breadcrumb__sep {
  color: var(--c-line);
  font-family: var(--font-mono);
}

.page-faq .faq-topline__doc {
  color: var(--c-green);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-faq .faq-intro {
  position: relative;
  margin-bottom: 36px;
  padding-left: 22px;
  border-left: 6px solid var(--c-green);
}

.page-faq .faq-intro__kicker {
  margin: 0 0 10px;
  color: var(--c-green);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.page-faq .faq-intro h1 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-faq .faq-intro__lead {
  max-width: 760px;
  margin: 0 0 20px;
  color: var(--c-sub);
  font-size: 16px;
  line-height: 1.8;
}

.page-faq .faq-intro__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}

.page-faq .faq-intro__tags .tag {
  font-size: 12px;
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: 32px 0 48px;
  border: 2px solid var(--c-line);
  background: var(--c-panel);
  box-shadow: var(--shadow-sm);
}

.page-faq .faq-stat {
  padding: 18px 16px;
  border-right: 2px solid var(--c-line);
  border-bottom: 2px solid var(--c-line);
}

.page-faq .faq-stat:nth-child(2n) {
  border-right: 0;
}

.page-faq .faq-stat:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.page-faq .faq-stat__num {
  display: block;
  margin-bottom: 8px;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1;
  color: var(--c-green);
}

.page-faq .faq-stat__label {
  color: var(--c-sub);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-faq .faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
}

.page-faq .faq-toc {
  align-self: start;
  margin-bottom: 8px;
  border: 2px solid var(--c-line);
  background: rgba(13, 42, 79, 0.92);
  box-shadow: var(--shadow-sm);
}

.page-faq .faq-toc__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 12px 14px;
  border-bottom: 2px solid var(--c-line);
  background: var(--c-data);
}

.page-faq .faq-toc__title {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.page-faq .faq-toc__meta {
  color: var(--c-green);
  font-size: 11px;
  letter-spacing: 0.04em;
}

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

.page-faq .faq-toc__nav a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--c-line);
  color: var(--c-text);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: background-color 0.15s ease, padding-left 0.15s ease, color 0.15s ease;
}

.page-faq .faq-toc__nav a .mono {
  color: var(--c-sub);
  font-size: 12px;
  font-weight: 500;
  transition: color 0.15s ease;
}

.page-faq .faq-toc__nav a:hover {
  padding-left: 20px;
  background: var(--c-data);
  color: var(--c-green);
}

.page-faq .faq-toc__nav a:hover .mono {
  color: var(--c-green);
}

.page-faq .faq-toc__note {
  padding: 14px;
  border-top: 2px dashed var(--c-line);
}

.page-faq .faq-toc__note-title {
  margin: 0 0 6px;
  color: var(--c-sub);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-faq .faq-toc__note p {
  margin: 0;
  color: var(--c-sub);
  font-size: 12px;
  line-height: 1.7;
}

.page-faq .faq-toc__note kbd {
  padding: 1px 5px;
  border: 1px solid var(--c-line);
  border-bottom-width: 2px;
  background: var(--c-data);
  color: var(--c-text);
  font-family: var(--font-mono);
  font-size: 11px;
}

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

.page-faq .faq-section {
  margin-bottom: 72px;
  scroll-margin-top: 24px;
}

.page-faq .faq-section:target .faq-section__title {
  color: var(--c-green);
}

.page-faq .faq-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 24px;
  margin-bottom: 28px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--c-line);
}

.page-faq .faq-section__title {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
  transition: color 0.15s ease;
}

.page-faq .faq-section__title .mono {
  color: var(--c-green);
  font-size: 0.55em;
  letter-spacing: 0.06em;
}

.page-faq .faq-section__desc {
  max-width: 520px;
  margin: 0;
  color: var(--c-sub);
  font-size: 13px;
  line-height: 1.7;
}

.page-faq .faq-item {
  position: relative;
  margin-bottom: 26px;
  padding: clamp(18px, 3vw, 28px);
  border: 2px solid var(--c-line);
  background: linear-gradient(135deg, rgba(13, 42, 79, 0.92), rgba(10, 31, 60, 0.88));
  box-shadow: var(--shadow-md);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  top: -2px;
  bottom: -2px;
  left: -2px;
  width: 4px;
  background: var(--c-data);
  transition: background-color 0.15s ease;
}

.page-faq .faq-item:hover::before {
  background: var(--c-green);
}

.page-faq .faq-item__question {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 12px;
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1.5;
}

.page-faq .faq-item__qid {
  padding: 2px 6px;
  border: 1px solid rgba(255, 90, 54, 0.35);
  background: rgba(255, 90, 54, 0.08);
  color: var(--c-orange);
  font-size: 12px;
  font-weight: 600;
}

.page-faq .faq-item__answer {
  color: var(--c-text);
  font-size: 0.95rem;
  line-height: 1.8;
}

.page-faq .faq-item__answer > p {
  margin: 0 0 12px;
}

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

.page-faq .faq-item__answer a {
  color: var(--c-green);
  text-decoration: underline;
  text-decoration-color: rgba(57, 255, 136, 0.45);
  text-underline-offset: 3px;
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

.page-faq .faq-item__answer a:hover {
  color: var(--c-text);
  text-decoration-color: var(--c-green);
}

.page-faq .faq-contact-dl {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 14px;
  margin: 14px 0 0;
  padding: 12px;
  border: 1px dashed var(--c-line);
  background: rgba(10, 31, 60, 0.4);
}

.page-faq .faq-contact-dl dt {
  color: var(--c-sub);
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-faq .faq-contact-dl dd {
  margin: 0;
  font-weight: 700;
}

.page-faq .faq-vote {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  padding: 8px 16px;
  border: 1px solid var(--c-line);
  border-radius: 0;
  background: transparent;
  color: var(--c-sub);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.page-faq .faq-vote::before {
  content: "↗";
  color: var(--c-green);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
}

.page-faq .faq-vote:hover {
  border-color: var(--c-green);
  color: var(--c-green);
  box-shadow: 3px 3px 0 rgba(57, 255, 136, 0.2);
  transform: translate(-1px, -1px);
}

.page-faq .faq-vote:active {
  border-color: var(--c-green);
  background: var(--c-green);
  color: var(--c-bg);
  box-shadow: none;
  transform: translate(1px, 1px);
}

.page-faq .faq-vote:active::before {
  color: var(--c-bg);
}

.page-faq .faq-vote:focus-visible {
  outline: 2px solid var(--c-green);
  outline-offset: 2px;
}

.page-faq .faq-shot {
  margin: 6px 0 30px;
  padding: 8px;
  border: 2px solid var(--c-line);
  background: var(--c-panel);
  box-shadow: var(--shadow-sm);
}

.page-faq .faq-shot__frame {
  border: 1px solid var(--c-line);
  background: var(--c-data);
}

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

.page-faq .faq-shot__cap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 14px;
  margin-top: 8px;
  color: var(--c-sub);
  font-size: 12px;
}

.page-faq .faq-flow {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin: 24px 0 32px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-flow__step {
  position: relative;
  padding: 14px 16px;
  border: 2px solid var(--c-line);
  background: var(--c-data);
  box-shadow: var(--shadow-sm);
}

.page-faq .faq-flow__step::after {
  content: "↓";
  position: absolute;
  left: 50%;
  bottom: -18px;
  color: var(--c-green);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  transform: translateX(-50%);
}

.page-faq .faq-flow__step:last-child::after {
  display: none;
}

.page-faq .faq-flow__idx {
  display: block;
  margin-bottom: 6px;
  color: var(--c-green);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-faq .faq-flow__name {
  display: block;
  margin-bottom: 4px;
  color: var(--c-text);
  font-size: 1rem;
  font-weight: 800;
}

.page-faq .faq-flow__desc {
  display: block;
  color: var(--c-sub);
  font-size: 13px;
  line-height: 1.6;
}

.page-faq .faq-closing {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  border: 2px solid var(--c-line);
  border-left: 6px solid var(--c-orange);
  background: rgba(255, 90, 54, 0.08);
  box-shadow: var(--shadow-sm);
}

.page-faq .faq-closing p {
  margin: 0;
  color: var(--c-text);
  font-size: 14px;
}

.page-faq .faq-closing a {
  color: var(--c-orange);
  font-size: 14px;
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-closing a:hover {
  color: var(--c-text);
  text-decoration-color: var(--c-orange);
}

@media (min-width: 768px) {
  .page-faq .faq-stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-faq .faq-stat {
    border-right: 2px solid var(--c-line);
    border-bottom: 0;
  }

  .page-faq .faq-stat:nth-child(2n) {
    border-right: 2px solid var(--c-line);
  }

  .page-faq .faq-stat:last-child {
    border-right: 0;
  }

  .page-faq .faq-flow {
    flex-direction: row;
    align-items: stretch;
    gap: 22px;
    margin-right: 18px;
  }

  .page-faq .faq-flow__step {
    flex: 1;
  }

  .page-faq .faq-flow__step::after {
    content: "→";
    left: auto;
    right: -24px;
    top: 50%;
    bottom: auto;
    transform: translateY(-50%);
  }

  .page-faq .faq-flow__step:last-child::after {
    display: none;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-grid {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 24px;
    margin-bottom: 0;
  }
}