.page-disclaimer {
  --notice-line: rgba(58, 90, 140, 0.22);
  background:
    repeating-linear-gradient(-45deg, rgba(58, 90, 140, 0.045) 0, rgba(58, 90, 140, 0.045) 1px, transparent 1px, transparent 14px),
    var(--c-light);
  color: var(--c-ink);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: hidden;
}

.page-disclaimer .breadcrumb {
  padding-top: 30px;
}

/* ===== Hero ===== */
.page-disclaimer .notice-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: center;
  margin-top: 18px;
  padding: 38px 24px;
  background-color: var(--c-deep);
  color: var(--c-white);
  border: 1px solid var(--c-line);
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-disclaimer .notice-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.page-disclaimer .notice-hero::after {
  content: "";
  position: absolute;
  top: 16px;
  right: 18px;
  width: 44px;
  height: 8px;
  background: var(--c-orange);
  transform: skewX(-32deg);
  pointer-events: none;
}

.page-disclaimer .notice-hero__copy {
  position: relative;
  z-index: 1;
}

.page-disclaimer .notice-hero__copy .section-head__index {
  margin-bottom: 10px;
}

.page-disclaimer .notice-hero h1 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-style: italic;
  font-size: clamp(34px, 5.5vw, 54px);
  line-height: 1.04;
  letter-spacing: 0.01em;
  margin: 0 0 14px;
  text-transform: uppercase;
}

.page-disclaimer .notice-hero__sub {
  display: block;
  color: var(--c-orange);
  font-size: 0.52em;
  letter-spacing: 0.04em;
  margin-top: 6px;
  text-transform: none;
}

.page-disclaimer .notice-hero__lead {
  color: var(--c-dim);
  font-size: 16px;
  max-width: 56ch;
  margin: 0 0 18px;
}

.page-disclaimer .notice-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  list-style: none;
  margin: 0;
  padding: 14px 0 0;
  border-top: 1px solid rgba(176, 196, 222, 0.22);
}

.page-disclaimer .notice-hero__meta li {
  font-size: 13px;
  color: var(--c-dim);
  letter-spacing: 0.04em;
}

.page-disclaimer .notice-hero__meta li::before {
  content: "◆";
  color: var(--c-lime);
  font-size: 10px;
  margin-right: 6px;
}

.page-disclaimer .notice-hero__media {
  position: relative;
  z-index: 1;
  justify-self: center;
  max-width: 300px;
  width: 100%;
}

.page-disclaimer .notice-hero__media::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px dashed var(--c-lime);
  opacity: 0.55;
  pointer-events: none;
}

.page-disclaimer .notice-hero .media-frame {
  aspect-ratio: 1 / 1;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: transparent;
}

.page-disclaimer .notice-hero img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  max-width: 100%;
}

/* ===== 章节索引 ===== */
.page-disclaimer .notice-index {
  margin-top: 26px;
  padding: 26px 22px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-top: 2px solid var(--c-orange);
}

.page-disclaimer .notice-index .section-head__title {
  font-size: 22px;
  margin-bottom: 16px;
}

.page-disclaimer .notice-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}

.page-disclaimer .notice-index__list li {
  min-width: 0;
}

.page-disclaimer .notice-index__list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 10px;
  background: var(--c-light);
  color: var(--c-ink);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  border: 1px solid rgba(58, 90, 140, 0.18);
  transition: background 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
}

.page-disclaimer .notice-index__list a:hover,
.page-disclaimer .notice-index__list a:focus-visible {
  background: var(--c-electric);
  color: var(--c-white);
  border-color: var(--c-electric);
  transform: translateY(-2px);
}

.page-disclaimer .notice-index__list span {
  font-family: var(--font-heading);
  font-weight: 700;
  font-style: italic;
  color: var(--c-orange);
}

.page-disclaimer .notice-index__list a:hover span,
.page-disclaimer .notice-index__list a:focus-visible span {
  color: var(--c-lime);
}

/* ===== 正文区 ===== */
.page-disclaimer .notice-body {
  max-width: 960px;
  margin: 0 auto;
}

.page-disclaimer .notice-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  padding: 38px 20px;
  scroll-margin-top: calc(var(--header-h) + 16px);
  border-bottom: 1px solid var(--notice-line);
}

.page-disclaimer .notice-section:last-child {
  border-bottom: none;
}

.page-disclaimer .notice-section__index {
  position: relative;
  align-self: start;
  justify-self: start;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  background: var(--c-electric);
  color: var(--c-lime);
  font-family: var(--font-heading);
  font-weight: 700;
  font-style: italic;
  font-size: 24px;
  clip-path: polygon(0 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
}

.page-disclaimer .notice-section__content h2 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 28px;
  line-height: 1.3;
  margin: 4px 0 12px;
  color: var(--c-ink);
  letter-spacing: 0.01em;
  position: relative;
  padding-left: 14px;
}

.page-disclaimer .notice-section__content h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  background: var(--c-orange);
}

.page-disclaimer .notice-section__content p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-soft);
  margin: 0 0 14px;
  max-width: 68ch;
}

.page-disclaimer .notice-section__content p:last-of-type {
  margin-bottom: 0;
}

.page-disclaimer .notice-callout {
  position: relative;
  background: var(--c-deep);
  color: var(--c-white);
  border-left: 4px solid var(--c-orange);
  padding: 18px 20px 16px 24px;
  font-size: 15px;
  line-height: 1.65;
  margin-top: 22px;
  clip-path: polygon(0 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
}

.page-disclaimer .notice-callout::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
  border-top: 26px solid var(--c-orange);
  border-right: 26px solid transparent;
}

.page-disclaimer .notice-callout--lime {
  border-left-color: var(--c-lime);
}

.page-disclaimer .notice-callout--lime::before {
  border-top-color: var(--c-lime);
}

/* ===== 禁止行为列表 ===== */
.page-disclaimer .notice-list {
  list-style: none;
  margin: 18px 0 4px;
  padding: 0;
}

.page-disclaimer .notice-list li {
  position: relative;
  padding: 12px 0 12px 32px;
  border-bottom: 1px dashed var(--notice-line);
  color: var(--c-soft);
  font-size: 15px;
  line-height: 1.6;
}

.page-disclaimer .notice-list li:first-child {
  border-top: 1px dashed var(--notice-line);
}

.page-disclaimer .notice-list li::before {
  content: "→";
  position: absolute;
  left: 6px;
  top: 12px;
  color: var(--c-orange);
  font-weight: 700;
}

/* ===== 文档导航 ===== */
.page-disclaimer .notice-docnav {
  margin: 48px 0 16px;
  padding: 34px 24px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    var(--c-deep);
  background-size: 28px 28px, 28px 28px, auto;
  color: var(--c-white);
  border: 1px solid var(--c-line);
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-disclaimer .notice-docnav__inner {
  max-width: 68ch;
}

.page-disclaimer .notice-docnav__inner p {
  color: var(--c-dim);
  font-size: 16px;
}

.page-disclaimer .notice-docnav__inner p:first-of-type {
  margin-top: 14px;
}

.page-disclaimer .notice-docnav a {
  color: var(--c-lime);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  transition: color 0.3s ease;
}

.page-disclaimer .notice-docnav a:hover,
.page-disclaimer .notice-docnav a:focus-visible {
  color: var(--c-orange);
}

.page-disclaimer .notice-docnav__inner p.notice-docnav__meta {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(176, 196, 222, 0.2);
  font-size: 14px;
  color: var(--c-dim);
  letter-spacing: 0.03em;
}

/* ===== 返回页首 ===== */
.page-disclaimer .notice-backtop {
  text-align: center;
  padding: 18px 0 30px;
}

.page-disclaimer .notice-backtop a {
  display: inline-block;
  padding: 10px 24px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  color: var(--c-ink);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
}

.page-disclaimer .notice-backtop a:hover,
.page-disclaimer .notice-backtop a:focus-visible {
  background: var(--c-orange);
  color: var(--c-white);
  transform: translateY(-2px);
}

/* ===== 桌面端 ===== */
@media (min-width: 768px) {
  .page-disclaimer .notice-hero {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 48px;
    padding: 52px 44px;
    margin-top: 24px;
  }

  .page-disclaimer .notice-hero__copy {
    order: 2;
  }

  .page-disclaimer .notice-hero__media {
    order: 1;
    justify-self: start;
    max-width: 300px;
    transform: rotate(1.2deg);
  }

  .page-disclaimer .notice-index {
    padding: 30px 34px;
  }

  .page-disclaimer .notice-section {
    grid-template-columns: 90px minmax(0, 1fr);
    gap: 32px;
    padding: 46px 28px;
  }

  .page-disclaimer .notice-section__content {
    padding-top: 2px;
  }

  .page-disclaimer .notice-docnav {
    padding: 48px 44px;
  }
}

@media (min-width: 1200px) {
  .page-disclaimer .notice-body {
    max-width: 1020px;
  }

  .page-disclaimer .notice-index {
    padding-inline: 40px;
  }
}