.page-disclaimer {
  background: var(--c-ink);
  color: var(--c-paper);
  font-family: var(--font-sans);
  overflow-x: clip;
}

.pd-hero {
  position: relative;
  padding: calc(var(--header-h) + 64px) 0 72px;
  background: linear-gradient(135deg, var(--c-ink) 0%, var(--c-pine) 100%);
  overflow: hidden;
}

.pd-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212, 175, 55, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 175, 55, 0.07) 1px, transparent 1px);
  background-size: 52px 52px;
  pointer-events: none;
}

.pd-hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.pd-hero__main {
  max-width: 72ch;
}

.pd-kicker {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin: 0 0 20px;
  border-left: 3px solid var(--c-gold);
  padding-left: 12px;
}

.pd-hero h1 {
  font-size: clamp(2rem, 6vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
  font-weight: 900;
  margin: 0 0 24px;
}

.pd-lead {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--c-mist);
  margin: 0 0 28px;
}

.pd-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--c-paper);
  border-top: 1px solid rgba(212, 175, 55, 0.35);
  padding-top: 16px;
}

.pd-hero__meta span {
  padding: 6px 10px;
  background: var(--c-pine);
  border: 1px solid rgba(212, 175, 55, 0.35);
}

.pd-hero__stamp {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 14px;
  border-right: 4px solid var(--c-gold);
  padding-right: 20px;
  text-align: right;
}

.pd-stamp-num {
  font-family: var(--font-mono);
  font-size: clamp(4rem, 12vw, 8rem);
  line-height: 0.9;
  color: var(--c-gold);
  font-weight: 700;
  letter-spacing: -0.06em;
}

.pd-stamp-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  color: var(--c-mist);
  text-transform: uppercase;
  max-width: 8em;
  border-top: 1px solid rgba(212, 175, 55, 0.4);
  padding-top: 8px;
}

@media (min-width: 1024px) {
  .pd-hero__inner {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }

  .pd-hero__stamp {
    flex-direction: column;
    align-items: flex-end;
  }
}

.pd-toc {
  border-top: 1px solid rgba(212, 175, 55, 0.3);
  border-bottom: 1px solid rgba(212, 175, 55, 0.3);
  background: rgba(14, 59, 46, 0.55);
}

.pd-toc__inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px 24px;
  padding-top: 20px;
  padding-bottom: 20px;
}

.pd-toc__hint {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-gold);
  border: 1px solid rgba(212, 175, 55, 0.4);
  padding: 6px 10px;
}

.pd-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
}

.pd-toc__list a {
  color: var(--c-paper);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  border-bottom: 2px solid transparent;
  transition: border-color 0.25s, color 0.25s;
}

.pd-toc__list a:hover,
.pd-toc__list a:focus-visible {
  border-bottom-color: var(--c-gold);
  color: var(--c-gold);
}

.pd-toc__list span {
  font-family: var(--font-mono);
  color: var(--c-gold);
  margin-right: 8px;
  font-size: 0.8rem;
}

.pd-body {
  padding: 72px 0 48px;
}

.pd-body__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
}

@media (min-width: 1080px) {
  .pd-body__grid {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 72px;
  }
}

.pd-section {
  scroll-margin-top: calc(var(--header-h) + 24px);
  padding: 48px 0 56px;
  border-bottom: 1px solid rgba(244, 239, 230, 0.12);
}

.pd-section:first-child {
  padding-top: 0;
}

.pd-section__head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
}

.pd-section__num {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  line-height: 1;
  font-weight: 700;
  color: var(--c-gold);
  letter-spacing: -0.06em;
}

.pd-section__head h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 800;
  color: var(--c-paper);
  margin: 0;
  border-left: 3px solid rgba(212, 175, 55, 0.6);
  padding-left: 16px;
}

.pd-section__lead {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--c-paper);
  margin-bottom: 28px;
}

.pd-section__note {
  border-left: 3px solid var(--c-gold);
  background: var(--c-pine);
  padding: 14px 16px;
  color: var(--c-mist);
  font-size: 0.92rem;
  line-height: 1.7;
  margin: 28px 0 0;
}

.pd-section__tail {
  margin: 28px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--c-red);
  background: rgba(198, 40, 40, 0.08);
  color: var(--c-mist);
  font-size: 0.92rem;
  line-height: 1.7;
}

.pd-section__tail a {
  color: var(--c-gold);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.pd-list {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.pd-list li {
  position: relative;
  padding-left: 24px;
  line-height: 1.7;
  color: rgba(244, 239, 230, 0.85);
}

.pd-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--c-gold);
}

.pd-list--ordered {
  counter-reset: pdItem;
}

.pd-list--ordered li {
  counter-increment: pdItem;
}

.pd-list--ordered li::before {
  content: counter(pdItem, decimal-leading-zero);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9rem;
}

.pd-list strong {
  color: var(--c-paper);
  font-weight: 700;
}

.pd-keynote {
  position: relative;
  border: 2px solid var(--c-gold);
  background: rgba(212, 175, 55, 0.08);
  padding: 28px 24px 24px;
  margin: 32px 0 28px;
}

.pd-keynote__arrow {
  position: absolute;
  top: -34px;
  right: 18px;
  width: 64px;
  height: 48px;
  transform: rotate(-6deg);
}

.pd-keynote__label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-gold);
  background: var(--c-ink);
  padding: 6px 10px;
  border: 1px solid rgba(212, 175, 55, 0.4);
  margin-bottom: 12px;
}

.pd-keynote__text {
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--c-paper);
  font-weight: 700;
  margin: 0;
  display: inline;
  border-bottom: 3px solid var(--c-gold);
  padding-bottom: 2px;
}

.pd-detail {
  margin: 28px 0 0;
  border: 1px solid rgba(244, 239, 230, 0.14);
  background: rgba(14, 59, 46, 0.35);
}

.pd-detail__summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 18px;
  font-weight: 600;
  color: var(--c-paper);
  font-size: 0.95rem;
  user-select: none;
}

.pd-detail__summary::-webkit-details-marker {
  display: none;
}

.pd-detail__summary::before {
  content: "＋";
  font-family: var(--font-mono);
  color: var(--c-gold);
  font-size: 1.1rem;
  transition: transform 0.2s;
}

.pd-detail[open] .pd-detail__summary::before {
  transform: rotate(45deg);
}

.pd-detail__content {
  padding: 0 18px 18px 42px;
  color: var(--c-mist);
  line-height: 1.75;
}

.pd-detail__content p {
  margin: 0 0 10px;
}

.pd-detail__content a {
  color: var(--c-gold);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.pd-body__aside {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.pd-aside__doc {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  border-left: 3px solid var(--c-gold);
  padding: 8px 0 8px 20px;
  background: linear-gradient(120deg, rgba(212, 175, 55, 0.06), transparent);
}

.pd-aside__doc h2 {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin: 0 0 16px;
}

.pd-aside__doc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.pd-aside__doc a {
  font-size: 0.92rem;
  color: var(--c-paper);
  text-decoration: none;
  opacity: 0.82;
  transition: opacity 0.2s, color 0.2s;
}

.pd-aside__doc a:hover,
.pd-aside__doc a:focus-visible {
  opacity: 1;
  color: var(--c-gold);
}

.pd-contact {
  margin: 40px 0 0;
  padding: 28px;
  background: var(--c-pine);
  border-top: 4px solid var(--c-gold);
}

.pd-contact h3 {
  margin: 0 0 16px;
  font-size: 1.1rem;
  color: var(--c-paper);
  font-weight: 700;
}

.pd-contact p {
  margin: 6px 0;
  color: var(--c-mist);
  line-height: 1.6;
}

.pd-contact__note {
  border-top: 1px solid rgba(212, 175, 55, 0.35);
  padding-top: 14px;
  margin-top: 14px;
  font-size: 0.9rem;
  color: var(--c-paper);
}

.pd-visual {
  padding: 24px 0 96px;
}

.pd-visual__fig {
  margin: 0;
  position: relative;
}

.pd-visual__fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid rgba(212, 175, 55, 0.3);
}

.pd-visual__fig figcaption {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--c-mist);
  padding-top: 12px;
  letter-spacing: 0.04em;
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer *,
  .page-disclaimer *::before,
  .page-disclaimer *::after {
    transition: none !important;
    animation: none !important;
  }
}