.page-faq {
  --faq-clip: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  background-color: var(--c-bg);
  color: var(--c-text);
}

.page-faq [id] {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--header-h) + 48px) 0 56px;
  border-bottom: 1px solid var(--c-line);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(57, 255, 20, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57, 255, 20, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--c-green) 0 62%, var(--c-orange) 62% 74%, transparent 74%);
}

.page-faq .faq-hero-inner {
  position: relative;
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-faq .faq-hero-copy {
  min-width: 0;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(2rem, 6vw, 4rem);
  line-height: 1.08;
  margin: 12px 0 20px;
  color: var(--c-text);
}

.page-faq .faq-h1-sub {
  display: block;
  margin-top: 10px;
  color: var(--c-green);
  font-size: clamp(0.95rem, 2vw, 1.3rem);
  letter-spacing: 0.04em;
}

.page-faq .faq-hero-desc {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--c-text-2);
  max-width: 56ch;
}

.page-faq .faq-search {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--c-bg-2);
  border: 1px solid var(--c-line);
  padding: 6px 12px;
  max-width: 540px;
  margin-top: 28px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.page-faq .faq-search:focus-within {
  border-color: var(--c-green);
  box-shadow: 0 0 0 3px rgba(57, 255, 20, 0.14);
}

.page-faq .faq-search input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: 0;
  outline: 0;
  color: var(--c-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  padding: 10px 0;
}

.page-faq .faq-search input::placeholder {
  color: var(--c-text-2);
  opacity: 0.75;
}

.page-faq .faq-search-ico {
  color: var(--c-green);
  flex: none;
}

.page-faq .faq-tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 20px;
}

.page-faq .faq-tag-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--c-text-2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.page-faq .faq-hero-art img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
  border: 1px solid var(--c-line-green);
}

.page-faq .faq-layout {
  display: grid;
  gap: 40px;
  padding: 56px 0 88px;
}

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

.page-faq .faq-sect {
  margin-bottom: 72px;
}

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

.page-faq .faq-sidebar {
  position: relative;
  border-left: 2px solid var(--c-green);
  padding: 4px 0 4px 18px;
}

.page-faq .faq-sidebar-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-sidebar-nav li {
  margin: 14px 0;
}

.page-faq .faq-sidebar-nav a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  color: var(--c-text-2);
  text-decoration: none;
  font-size: 0.95rem;
  line-height: 1.4;
  transition: color 0.2s, border-color 0.2s;
}

.page-faq .faq-sidebar-nav a span {
  font-family: var(--font-mono);
  color: var(--c-green);
  font-size: 0.8rem;
}

.page-faq .faq-sidebar-nav a:hover {
  color: var(--c-text);
  border-bottom-color: var(--c-line-green);
}

.page-faq .faq-sidebar-title {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 1.1rem;
  margin: 0 0 16px;
  color: var(--c-text);
}

.page-faq .faq-sec-head {
  margin-bottom: 32px;
}

.page-faq .faq-sec-head h2 {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  margin: 8px 0 8px;
}

.page-faq .faq-sec-head p {
  margin: 0;
  color: var(--c-text-2);
  line-height: 1.6;
}

.page-faq .faq-accordion {
  border-top: 1px solid var(--c-line);
  margin-top: 32px;
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--c-line);
  transition: background 0.2s;
}

.page-faq .faq-item[open] {
  background: rgba(57, 255, 20, 0.035);
}

.page-faq .faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 22px 8px;
  cursor: pointer;
}

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

.page-faq .faq-q-index {
  font-family: var(--font-mono);
  color: var(--c-green);
  font-size: 0.85rem;
  width: 2em;
  flex: none;
}

.page-faq .faq-q-text {
  flex: 1;
  color: var(--c-text);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.5;
}

.page-faq .faq-q-icon {
  position: relative;
  width: 26px;
  height: 26px;
  flex: none;
  border: 1px solid var(--c-line-green);
}

.page-faq .faq-q-icon::before,
.page-faq .faq-q-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 12px;
  height: 2px;
  background: var(--c-green);
  transform: translate(-50%, -50%);
}

.page-faq .faq-q-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  transition: transform 0.2s;
}

.page-faq .faq-item[open] .faq-q-icon::after,
.page-faq .faq-mod[open] .faq-q-icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.page-faq .faq-a {
  max-width: 78ch;
  padding: 0 8px 24px clamp(2.8rem, 10%, 6rem);
  color: var(--c-text-2);
  line-height: 1.8;
  font-size: 0.95rem;
}

.page-faq .faq-a p {
  margin: 0;
}

.page-faq .faq-guide-grid {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-faq .faq-guide-menu ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-guide-menu ul::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-guide-menu a {
  display: block;
  padding: 10px 14px;
  white-space: nowrap;
  border-left: 2px solid var(--c-line);
  color: var(--c-text-2);
  text-decoration: none;
  font-size: 0.95rem;
  line-height: 1.4;
  transition: border-color 0.2s, color 0.2s;
}

.page-faq .faq-guide-menu a:hover {
  color: var(--c-text);
  border-left-color: var(--c-green);
}

.page-faq .faq-guide-main {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-faq .faq-mod {
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-green);
  background: var(--c-bg-2);
  transition: border-color 0.2s, background 0.2s;
}

.page-faq .faq-mod[open] {
  border-color: var(--c-line-green);
  background: linear-gradient(135deg, rgba(57, 255, 20, 0.045), rgba(27, 31, 54, 0.4) 70%);
}

.page-faq .faq-mod summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 18px;
  cursor: pointer;
}

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

.page-faq .faq-mod-num {
  font-family: var(--font-mono);
  color: var(--c-green);
  font-size: 0.85rem;
}

.page-faq .faq-mod h3 {
  flex: 1;
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 1.2rem;
  color: var(--c-text);
}

.page-faq .faq-mod-body {
  padding: 0 18px 24px clamp(1.2rem, 6%, 3.6rem);
  color: var(--c-text-2);
  line-height: 1.8;
  font-size: 0.95rem;
}

.page-faq .faq-mod-body p {
  margin: 0 0 12px;
  max-width: 70ch;
}

.page-faq .faq-mod-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.page-faq .faq-mod-list li {
  position: relative;
  padding-left: 18px;
}

.page-faq .faq-mod-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 2px;
  background: var(--c-green);
}

.page-faq .faq-sub-card {
  display: grid;
  gap: 28px;
  padding: 32px 24px;
  background: linear-gradient(135deg, rgba(57, 255, 20, 0.07), transparent 62%), var(--c-bg-2);
  border: 1px solid var(--c-line-green);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
}

.page-faq .faq-sub-copy h2 {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  margin: 8px 0 12px;
}

.page-faq .faq-sub-copy p {
  color: var(--c-text-2);
  line-height: 1.8;
  margin: 0 0 20px;
  max-width: 52ch;
}

.page-faq .faq-sub-figure {
  margin: 0;
}

.page-faq .faq-sub-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--c-line);
}

.page-faq .faq-contact-grid {
  display: grid;
  gap: 16px;
  margin-top: 32px;
}

.page-faq .faq-contact-card {
  position: relative;
  padding: 24px;
  background: var(--c-bg-2);
  border: 1px solid var(--c-line);
}

.page-faq .faq-contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--c-green) 0 62%, transparent 62%);
}

.page-faq .faq-contact-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-text-2);
}

.page-faq .faq-contact-value {
  font-family: var(--font-mono);
  font-size: 0.98rem;
  line-height: 1.5;
  margin: 10px 0 6px;
  color: var(--c-text);
  word-break: break-all;
}

.page-faq .faq-contact-note {
  margin: 0;
  font-size: 0.85rem;
  color: var(--c-text-2);
  line-height: 1.6;
}

.page-faq .faq-contact-tip {
  margin: 28px 0 0;
  padding: 14px 18px;
  border: 1px dashed var(--c-line-green);
  color: var(--c-text-2);
  line-height: 1.8;
  font-size: 0.95rem;
}

.page-faq .faq-contact-more {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

@media (min-width: 600px) {
  .page-faq .faq-hero-inner {
    gap: 40px;
  }

  .page-faq .faq-item summary {
    padding: 24px 8px;
  }

  .page-faq .faq-q-text {
    font-size: 1.05rem;
  }

  .page-faq .faq-sub-card {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding: 40px 36px;
  }

  .page-faq .faq-contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: calc(var(--header-h) + 72px) 0 72px;
  }

  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-faq .faq-layout {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 72px;
    padding: 72px 0 120px;
  }

  .page-faq .faq-sidebar {
    position: sticky;
    top: calc(var(--header-h) + 32px);
    align-self: start;
    margin: 0;
  }

  .page-faq .faq-sect {
    margin-bottom: 88px;
  }

  .page-faq .faq-guide-grid {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 40px;
  }

  .page-faq .faq-guide-menu ul {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
  }

  .page-faq .faq-guide-menu li {
    position: sticky;
    top: calc(var(--header-h) + 96px);
  }

  .page-faq .faq-contact-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero-desc {
    font-size: 1.05rem;
  }

  .page-faq .faq-a {
    font-size: 1rem;
  }

  .page-faq .faq-mod-body {
    font-size: 1rem;
  }
}