.page-disclaimer {
  --disc-amber: #FFB300;
  --disc-amber-dim: rgba(255, 179, 0, 0.12);
  --disc-green-dim: rgba(0, 255, 163, 0.08);
  --disc-warn-border: rgba(255, 179, 0, 0.45);
  --disc-code-size: 0.8125rem;
}

.page-disclaimer .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
}

/* breadcrumb */
.page-disclaimer .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 1.5rem 0 0.75rem;
  margin: 0;
  list-style: none;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.page-disclaimer .breadcrumb li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.page-disclaimer .breadcrumb li::after {
  content: "/";
  color: var(--line);
}

.page-disclaimer .breadcrumb li:last-child::after {
  display: none;
}

.page-disclaimer .breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-disclaimer .breadcrumb a:hover {
  color: var(--accent);
}

.page-disclaimer .breadcrumb li[aria-current="page"] {
  color: var(--accent);
  font-weight: 600;
}

/* header area */
.page-disclaimer .disc-head {
  position: relative;
  padding: 2.25rem 0 2.5rem;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .disc-head .badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background: var(--disc-green-dim);
  color: var(--accent);
  border: 1px solid rgba(0, 255, 163, 0.3);
  padding: 0.3125rem 0.75rem;
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.page-disclaimer .disc-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-style: oblique;
  font-size: clamp(2.25rem, 5.5vw, 4.25rem);
  line-height: 1.08;
  color: var(--text-main);
  transform: skewX(-3deg);
  letter-spacing: -0.01em;
}

.page-disclaimer .disc-title-sub {
  margin: 0.5rem 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.25rem, 2.5vw, 2rem);
  color: var(--accent);
  transform: skewX(-3deg);
}

.page-disclaimer .disc-lead {
  margin: 1.375rem 0 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 42rem;
}

.page-disclaimer .disc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 1.5rem;
  font-family: var(--font-data);
  font-size: 0.8125rem;
  color: var(--silver);
}

.page-disclaimer .disc-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

.page-disclaimer .disc-meta span::before {
  content: "◆";
  font-size: 0.5rem;
  color: var(--accent);
}

.page-disclaimer .disc-toc {
  position: absolute;
  right: 0;
  bottom: 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.8125rem;
  text-decoration: none;
  font-family: var(--font-body);
  transition: color 0.25s ease;
}

.page-disclaimer .disc-toc:hover {
  color: var(--accent);
}

.page-disclaimer .disc-toc-arrow {
  font-size: 1.125rem;
  color: var(--accent);
}

/* TOC card */
.page-disclaimer .disc-toc-card {
  margin: 2rem 0 3.5rem;
  border: 1px solid var(--line);
  background: var(--bg-surface);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  position: relative;
}

.page-disclaimer .disc-toc-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent), var(--amber));
}

.page-disclaimer .disc-toc-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.page-disclaimer .disc-toc-label {
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--accent);
}

.page-disclaimer .disc-toc-code {
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.page-disclaimer .disc-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.25rem;
}

.page-disclaimer .disc-toc-list a {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 0;
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color 0.2s ease, padding-left 0.2s ease;
  border-bottom: 1px dashed rgba(42, 59, 92, 0.5);
}

.page-disclaimer .disc-toc-list li:last-child a {
  border-bottom: none;
}

.page-disclaimer .disc-toc-list a:hover {
  color: var(--accent);
  padding-left: 0.375rem;
}

.page-disclaimer .disc-toc-num {
  font-family: var(--font-data);
  color: var(--amber);
  font-size: 0.8125rem;
}

/* sections */
.page-disclaimer .disc-section {
  margin: 3.5rem 0;
  scroll-margin-top: 2rem;
}

.page-disclaimer .sec-head {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
  position: relative;
}

.page-disclaimer .sec-num {
  font-family: var(--font-data);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.page-disclaimer .sec-head-text {
  flex: 1;
  border-left: 1px solid var(--line);
  padding-left: 1.25rem;
}

.page-disclaimer .sec-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-style: oblique;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  color: var(--text-main);
  transform: skewX(-3deg);
}

.page-disclaimer .sec-intro {
  margin: 0.375rem 0 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.page-disclaimer .sec-tag {
  font-family: var(--font-data);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  border: 1px solid var(--line);
  padding: 0.25rem 0.5rem;
  white-space: nowrap;
  margin-top: 0.375rem;
}

/* cards */
.page-disclaimer .card {
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.page-disclaimer .disc-card-lead {
  margin: 0 0 1.25rem;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-main);
}

/* service grid */
.page-disclaimer .disc-service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-disclaimer .disc-service-item {
  background: var(--bg-deep);
  border: 1px solid rgba(42, 59, 92, 0.6);
  padding: 1.125rem 1.25rem;
  border-radius: var(--radius);
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-disclaimer .disc-service-item:hover {
  border-color: rgba(0, 255, 163, 0.4);
  transform: translateY(-2px);
}

.page-disclaimer .disc-service-item h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.page-disclaimer .disc-service-item h3::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--accent);
  transform: rotate(45deg);
  flex-shrink: 0;
}

.page-disclaimer .disc-service-item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--text-muted);
}

/* foldable details */
.page-disclaimer .disc-fold {
  margin-top: 1.25rem;
  border: 1px solid var(--line);
  background: transparent;
  border-radius: var(--radius);
}

.page-disclaimer .disc-fold summary {
  cursor: pointer;
  padding: 0.875rem 1.125rem;
  font-family: var(--font-data);
  font-size: 0.875rem;
  color: var(--accent);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  user-select: none;
}

.page-disclaimer .disc-fold summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .disc-fold summary::before {
  content: "+";
  font-size: 1.125rem;
  color: var(--amber);
  transition: transform 0.25s ease;
  display: inline-block;
}

.page-disclaimer .disc-fold[open] summary::before {
  content: "–";
  color: var(--accent);
}

.page-disclaimer .disc-fold[open] summary {
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .disc-fold > p {
  padding: 1rem 1.125rem;
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--text-muted);
}

.page-disclaimer .disc-fold-warn summary {
  color: var(--amber);
}

/* rules section */
.page-disclaimer .disc-rule-wrap {
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--amber);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.page-disclaimer .disc-rule-intro p {
  margin: 0 0 1.25rem;
  font-size: 1rem;
  color: var(--text-main);
  line-height: 1.7;
}

.page-disclaimer .disc-rule-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .disc-rule-item {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px dashed rgba(42, 59, 92, 0.6);
}

.page-disclaimer .disc-rule-item:last-child {
  border-bottom: none;
}

.page-disclaimer .rule-code {
  font-family: var(--font-data);
  font-size: var(--disc-code-size);
  color: var(--amber);
  white-space: nowrap;
  min-width: 5.5rem;
  padding-top: 0.125rem;
}

.page-disclaimer .rule-text h3 {
  margin: 0 0 0.375rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  font-family: var(--font-head);
}

.page-disclaimer .rule-text p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--text-muted);
}

/* warning aside */
.page-disclaimer .disc-warn {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  margin-top: 1.5rem;
  background: var(--disc-amber-dim);
  border: 1px solid var(--disc-warn-border);
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
}

.page-disclaimer .disc-warn-icon {
  width: 1.75rem;
  height: 1.75rem;
  background: var(--amber);
  color: #0A1128;
  font-family: var(--font-data);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  flex-shrink: 0;
  font-size: 0.875rem;
}

.page-disclaimer .disc-warn p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--text-main);
}

.page-disclaimer .disc-warn strong {
  color: var(--amber);
}

/* disclaimer grid */
.page-disclaimer .disc-disclaimer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-disclaimer .disc-dis-item {
  background: var(--bg-surface);
  border: 1px solid var(--line);
  padding: 1.375rem 1.5rem;
  border-radius: var(--radius);
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-disclaimer .disc-dis-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--amber), transparent 80%);
}

.page-disclaimer .disc-dis-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.page-disclaimer .dis-code {
  font-family: var(--font-data);
  font-size: var(--disc-code-size);
  color: var(--amber);
  display: block;
  margin-bottom: 0.75rem;
}

.page-disclaimer .disc-dis-item h3 {
  margin: 0 0 0.5rem;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-main);
  font-family: var(--font-head);
}

.page-disclaimer .disc-dis-item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--text-muted);
}

/* IP section */
.page-disclaimer .disc-ip-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.page-disclaimer .disc-ip-content {
  background: var(--bg-surface);
  border: 1px solid var(--line);
  padding: 1.5rem;
  border-radius: var(--radius);
}

.page-disclaimer .disc-ip-content > p {
  margin: 0 0 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--text-main);
}

.page-disclaimer .disc-ip-list {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
}

.page-disclaimer .disc-ip-list li {
  position: relative;
  padding: 0.625rem 0 0.625rem 1.5rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-disclaimer .disc-ip-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 1rem;
}

.page-disclaimer .disc-ip-list li strong {
  color: var(--text-main);
  font-weight: 600;
}

.page-disclaimer .disc-ip-note {
  margin: 0;
  padding-top: 1rem;
  border-top: 1px dashed var(--line);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-disclaimer .disc-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-surface);
  padding: 0.75rem;
}

.page-disclaimer .disc-figure figcaption {
  padding: 0.75rem 0.25rem 0.25rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-align: center;
}

.page-disclaimer .disc-figure img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 1 / 1;
  filter: saturate(0.9);
  border-radius: calc(var(--radius) - 1px);
}

/* contact */
.page-disclaimer .disc-contact-card {
  border-top: 3px solid var(--amber);
}

.page-disclaimer .disc-contact-row {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  padding: 0.9375rem 0;
  border-bottom: 1px dashed rgba(42, 59, 92, 0.6);
}

.page-disclaimer .disc-contact-row:last-of-type {
  border-bottom: none;
}

.page-disclaimer .disc-contact-row .contact-label {
  font-family: var(--font-data);
  font-size: 0.8125rem;
  color: var(--amber);
  letter-spacing: 0.08em;
}

.page-disclaimer .disc-contact-row .contact-value {
  font-size: 1rem;
  color: var(--text-main);
  line-height: 1.6;
  word-break: break-word;
}

.page-disclaimer .disc-contact-note {
  margin: 1.125rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--text-muted);
  background: var(--bg-deep);
  border-left: 3px solid var(--accent);
  padding: 0.875rem 1rem;
}

.page-disclaimer .disc-contact-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

/* back to top */
.page-disclaimer .disc-backtop {
  margin-top: 3rem;
  text-align: right;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.page-disclaimer .disc-backtop a {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-family: var(--font-data);
  font-size: 0.875rem;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.5rem 0.875rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.page-disclaimer .disc-backtop a:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* media queries */
@media (min-width: 640px) {
  .page-disclaimer .container {
    padding: 0 2rem 5rem;
  }

  .page-disclaimer .disc-service-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-disclaimer .disc-toc-list {
    grid-template-columns: 1fr 1fr;
    gap: 0.25rem 2rem;
  }

  .page-disclaimer .disc-contact-actions {
    flex-direction: row;
    align-items: center;
  }

  .page-disclaimer .disc-contact-row {
    flex-direction: row;
    justify-content: space-between;
    gap: 1.5rem;
  }

  .page-disclaimer .disc-contact-row .contact-label {
    min-width: 5.5rem;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .disc-disclaimer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-disclaimer .disc-ip-grid {
    grid-template-columns: 1.5fr 1fr;
    align-items: start;
  }

  .page-disclaimer .disc-figure {
    position: sticky;
    top: 2rem;
  }

  .page-disclaimer .disc-section {
    margin: 4.5rem 0;
  }

  .page-disclaimer .sec-num {
    font-size: 3rem;
  }

  .page-disclaimer .disc-head {
    padding: 3rem 0 3rem;
  }

  .page-disclaimer .disc-title {
    font-size: clamp(2.75rem, 6vw, 4.75rem);
  }

  .page-disclaimer .disc-backtop {
    margin-top: 4rem;
  }
}