.page-disclaimer {
  --paper-text: #3A4764;
  --paper-line: #E1E6F0;
  box-sizing: border-box;
  max-width: 100%;
  padding: 40px 20px 48px;
}

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

.page-disclaimer .noticeboard {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  padding: 48px clamp(20px, 6vw, 56px) 40px;
  background:
    radial-gradient(rgba(13, 15, 28, 0.045) 1px, transparent 1px) 0 0 / 24px 24px,
    linear-gradient(180deg, #FFFFFF 0%, rgba(255, 255, 255, 0.92) 100%);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: 0 20px 60px -50px rgba(13, 15, 28, 0.35);
  font-family: var(--font-sans);
  color: var(--color-ink);
}

.page-disclaimer .noticeboard__crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-muted);
  margin-bottom: 24px;
}

.page-disclaimer .noticeboard__crumbs a {
  color: var(--color-purple);
  text-decoration: none;
}

.page-disclaimer .noticeboard__crumbs a:hover {
  text-decoration: underline;
}

.page-disclaimer .noticeboard__crumbs span[aria-current="page"] {
  color: var(--color-muted);
}

.page-disclaimer .noticeboard__head {
  padding-bottom: 28px;
  border-bottom: 2px solid var(--color-ink);
}

.page-disclaimer .noticeboard__kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 10px;
}

.page-disclaimer .noticeboard__head h1 {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}

.page-disclaimer .noticeboard__lead {
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-ink);
  max-width: 42em;
  margin: 0;
}

.page-disclaimer .noticeboard__toc {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
  margin: 28px 0 44px;
  padding: 14px 18px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-purple);
}

.page-disclaimer .noticeboard__toc-title {
  flex-basis: 100%;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--color-muted);
}

.page-disclaimer .noticeboard__toc a {
  font-size: 14px;
  text-decoration: none;
  color: var(--color-navy);
  padding: 2px 0;
  border-bottom: 1px solid transparent;
  transition: border-color 120ms var(--ease), color 120ms var(--ease);
}

.page-disclaimer .noticeboard__toc a:hover {
  border-bottom-color: var(--color-purple);
  color: var(--color-purple);
}

.page-disclaimer .noticeboard__body {
  padding-left: 0;
}

.page-disclaimer .noticeboard__section {
  position: relative;
  padding: 28px 0 28px 20px;
  border-left: 1px solid var(--color-border);
}

.page-disclaimer .noticeboard__section + .noticeboard__section {
  margin-top: 4px;
}

.page-disclaimer .noticeboard__section::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 34px;
  width: 9px;
  height: 9px;
  background: var(--color-bg);
  border: 2px solid var(--color-purple);
  border-radius: 50%;
}

.page-disclaimer .noticeboard__section::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 20px;
  height: 6px;
  background: repeating-linear-gradient(
    -45deg,
    var(--paper-line) 0 2px,
    transparent 2px 8px
  );
  opacity: 0.7;
}

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

.page-disclaimer .noticeboard__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--color-purple);
  margin-bottom: 6px;
}

.page-disclaimer .noticeboard__section h2 {
  font-size: 20px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
}

.page-disclaimer .noticeboard__section p,
.page-disclaimer .noticeboard__section ol {
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-text);
  max-width: 60em;
  margin: 0 0 14px;
}

.page-disclaimer .noticeboard__section p:last-child,
.page-disclaimer .noticeboard__section ol:last-child {
  margin-bottom: 0;
}

.page-disclaimer .noticeboard__section ol {
  padding-left: 1.4em;
}

.page-disclaimer .noticeboard__section li {
  margin-bottom: 8px;
  padding-left: 4px;
}

.page-disclaimer .noticeboard__section a {
  color: var(--color-purple);
  text-decoration: none;
  border-bottom: 1px solid rgba(124, 58, 237, 0.25);
  transition: border-color 120ms var(--ease), color 120ms var(--ease);
}

.page-disclaimer .noticeboard__section a:hover {
  border-color: var(--color-purple);
  color: var(--color-purple-bright);
}

.page-disclaimer .noticeboard__equals {
  position: relative;
  width: 140px;
  height: 38px;
  margin: 48px 0 24px;
}

.page-disclaimer .noticeboard__equals::before,
.page-disclaimer .noticeboard__equals::after {
  content: "";
  position: absolute;
  left: 0;
  width: 140px;
  height: 12px;
  border-radius: 2px;
  background: linear-gradient(90deg, rgba(124, 58, 237, 0.7), rgba(124, 58, 237, 0.08) 80%);
}

.page-disclaimer .noticeboard__equals::before {
  top: 0;
}

.page-disclaimer .noticeboard__equals::after {
  bottom: 0;
}

.page-disclaimer .noticeboard__back-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-purple);
  text-decoration: none;
  padding: 4px 0;
  transition: color 120ms var(--ease);
}

.page-disclaimer .noticeboard__back-top::before {
  content: "↑";
  font-family: var(--font-mono);
  font-size: 16px;
}

.page-disclaimer .noticeboard__back-top:hover {
  color: var(--color-purple-bright);
}

.page-disclaimer .noticeboard__footline {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--color-muted);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
}

.page-disclaimer .noticeboard__dot {
  color: var(--color-border);
}

.page-disclaimer .noticeboard__corner {
  display: block;
  width: min(100%, 320px);
  height: auto;
  margin: 36px 0 0 auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  opacity: 0.55;
}

@media (min-width: 640px) {
  .page-disclaimer {
    padding: 56px 28px 64px;
  }

  .page-disclaimer .noticeboard {
    padding: 56px clamp(28px, 6vw, 64px) 48px;
  }

  .page-disclaimer .noticeboard__head h1 {
    font-size: 44px;
  }

  .page-disclaimer .noticeboard__lead {
    font-size: 18px;
    max-width: 34em;
  }

  .page-disclaimer .noticeboard__toc {
    margin: 36px 0 48px;
    gap: 8px 24px;
  }

  .page-disclaimer .noticeboard__toc-title {
    flex-basis: auto;
    margin-right: 8px;
  }

  .page-disclaimer .noticeboard__body {
    padding-left: 16px;
  }

  .page-disclaimer .noticeboard__section {
    padding: 32px 0 32px 24px;
  }

  .page-disclaimer .noticeboard__section h2 {
    font-size: 24px;
  }

  .page-disclaimer .noticeboard__section p,
  .page-disclaimer .noticeboard__section ol {
    font-size: 16px;
    margin-bottom: 16px;
  }

  .page-disclaimer .noticeboard__equals {
    margin: 56px 0 28px;
  }

  .page-disclaimer .noticeboard__footline {
    gap: 8px 24px;
  }

  .page-disclaimer .noticeboard__corner {
    width: 360px;
    margin-top: 48px;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .noticeboard {
    border-radius: var(--radius-md);
  }

  .page-disclaimer .noticeboard__head h1 {
    font-size: 48px;
  }

  .page-disclaimer .noticeboard__section {
    padding-right: 8%;
  }

  .page-disclaimer .noticeboard__equals {
    width: 180px;
    height: 46px;
  }

  .page-disclaimer .noticeboard__equals::before,
  .page-disclaimer .noticeboard__equals::after {
    width: 180px;
    height: 14px;
  }
}