.page-disclaimer {
  --sheet-rail-w: 240px;
  --sheet-indent: clamp(14px, 3vw, 38px);
  --sheet-step-bg: rgba(31, 111, 107, 0.06);
  display: block;
  background: var(--paper);
  color: var(--brown);
}

.page-disclaimer .sheet-hero {
  position: relative;
  padding: clamp(26px, 5vw, 56px) 0 clamp(30px, 5vw, 50px);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--paper-2), var(--paper) 78%);
}

.page-disclaimer .sheet-hero::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--river), rgba(31, 111, 107, 0) 88%);
}

.page-disclaimer .sheet-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 46px);
  align-items: center;
}

.page-disclaimer .sheet-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--copper);
}

.page-disclaimer .sheet-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(32px, 5.2vw, 60px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-disclaimer .sheet-lede {
  margin: 0;
  max-width: 60ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--brown);
}

.page-disclaimer .sheet-meta {
  margin: 22px 0 0;
  gap: 8px;
}

.page-disclaimer .sheet-hero-figure {
  margin: 0;
}

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

.page-disclaimer .sheet-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  padding-top: clamp(30px, 5vw, 62px);
  padding-bottom: clamp(36px, 5vw, 68px);
}

.page-disclaimer .sheet-version {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(24px, 3.4vw, 40px);
  padding: 11px 15px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--river);
  border-radius: var(--radius);
  background: var(--card-bg);
  box-shadow: var(--shadow-soft);
}

.page-disclaimer .sheet-version-k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink);
  background: var(--sheet-step-bg);
  padding: 3px 8px;
  border-radius: 1px;
}

.page-disclaimer .sheet-version-v {
  font-size: 14px;
  color: var(--taupe);
}

.page-disclaimer .sheet-sec + .sheet-sec {
  margin-top: clamp(26px, 4vw, 46px);
  padding-top: clamp(26px, 4vw, 46px);
  border-top: 1px solid var(--line);
}

.page-disclaimer .step-tag {
  display: inline-block;
  padding: 3px 9px;
  border: 1px solid rgba(176, 122, 43, 0.38);
  border-radius: 1px;
  background: rgba(176, 122, 43, 0.09);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--copper);
}

.page-disclaimer .section-title {
  color: var(--ink);
}

.page-disclaimer .sheet-prose {
  margin-left: var(--sheet-indent);
  max-width: 66ch;
}

.page-disclaimer .sheet-prose p {
  margin: 0 0 1em;
  font-size: 16.5px;
  line-height: 1.88;
  color: var(--brown);
}

.page-disclaimer .sheet-prose p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .sheet-steps {
  margin-left: var(--sheet-indent);
  max-width: 66ch;
}

.page-disclaimer .sheet-step {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card-bg);
  box-shadow: var(--shadow-soft);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-disclaimer .sheet-step + .sheet-step {
  margin-top: 12px;
}

.page-disclaimer .sheet-step:hover {
  border-color: rgba(31, 111, 107, 0.42);
}

.page-disclaimer .sheet-step-sum {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  color: var(--ink);
}

.page-disclaimer .sheet-step-sum::-webkit-details-marker {
  display: none;
}

.page-disclaimer .sheet-step-sum::after {
  content: "−";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--copper);
}

.page-disclaimer .sheet-step:not([open]) .sheet-step-sum::after {
  content: "+";
}

.page-disclaimer .sheet-step-sum:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}

.page-disclaimer .sheet-step-mark {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--river);
  background: var(--sheet-step-bg);
  padding: 3px 7px;
  border-radius: 1px;
}

.page-disclaimer .sheet-step-name {
  font-weight: 600;
  color: var(--ink);
}

.page-disclaimer .sheet-step-body {
  padding: 0 16px 15px 16px;
  border-top: 1px solid var(--line);
}

.page-disclaimer .sheet-step-body p {
  margin: 13px 0 0;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--taupe);
}

.page-disclaimer .sheet-rail {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.page-disclaimer .sheet-rail-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--copper);
}

.page-disclaimer .sheet-rail-nav {
  position: relative;
  padding-left: 18px;
}

.page-disclaimer .sheet-scale {
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 4px;
  height: auto;
  color: var(--sand);
}

.page-disclaimer .sheet-rail-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
}

.page-disclaimer .sheet-rail-list li {
  position: relative;
}

.page-disclaimer .sheet-rail-list li::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 50%;
  width: 5px;
  height: 5px;
  margin-top: -2.5px;
  border-radius: 50%;
  background: var(--river);
}

.page-disclaimer .sheet-rail-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 4px 0;
  font-size: 15px;
  color: var(--taupe);
  text-decoration: none;
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-disclaimer .sheet-rail-list a:hover {
  color: var(--river);
  transform: translateX(2px);
}

.page-disclaimer .sheet-rail-list a:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
  color: var(--river);
}

.page-disclaimer .sheet-rail-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--copper);
}

.page-disclaimer .sheet-next {
  padding-bottom: clamp(40px, 6vw, 76px);
}

.page-disclaimer .sheet-next-title {
  margin: 26px 0 18px;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-disclaimer .sheet-next-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-disclaimer .sheet-next-list a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card-bg);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .sheet-next-list a:hover {
  transform: translateY(-2px);
  border-color: rgba(31, 111, 107, 0.45);
}

.page-disclaimer .sheet-next-list a:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}

.page-disclaimer .sheet-next-k {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--river);
}

.page-disclaimer .sheet-next-d {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--taupe);
}

.page-disclaimer .sheet-top-wrap {
  margin: 24px 0 0;
}

@media (min-width: 720px) {
  .page-disclaimer .sheet-next-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .sheet-hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }

  .page-disclaimer .sheet-body {
    grid-template-columns: minmax(0, 1fr) var(--sheet-rail-w);
    align-items: start;
  }

  .page-disclaimer .sheet-rail {
    position: sticky;
    top: 104px;
    border-top: 0;
    border-left: 1px solid var(--line);
    padding-top: 6px;
    padding-left: 18px;
  }

  .page-disclaimer .sheet-rail-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-disclaimer .sheet-scale {
    left: 5px;
    top: 6px;
    bottom: 6px;
  }

  .page-disclaimer .sheet-next-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 999px) {
  .page-disclaimer .sheet-rail {
    order: -1;
  }
}