.l9-report {
  background: #f5f6f3;
  color: #173b3a;
}

.l9-report .archive-main {
  width: min(1120px, calc(100vw - 32px));
  padding-top: 28px;
}

.l9-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, .82fr);
  min-height: 540px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  box-shadow: var(--shadow);
}

.l9-hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(36px, 6vw, 72px);
}

.l9-hero-label {
  margin: 0 0 18px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .04em;
}

.l9-hero h1 {
  max-width: 680px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(38px, 4.4vw, 52px);
  line-height: 1.08;
  letter-spacing: -.04em;
}

.l9-hero-lead {
  max-width: 620px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.85;
}

.l9-hero-verdict {
  max-width: 620px;
  margin-top: 28px;
  padding: 18px 0 0 20px;
  border-left: 4px solid var(--brand);
  color: var(--ink);
  font-size: 16px;
  font-weight: 800;
}

.l9-hero-visual {
  position: relative;
  min-height: 100%;
  overflow: hidden;
  background: #dce6e2;
}

.l9-hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 88% center;
}

.l9-hero-visual figcaption {
  position: absolute;
  right: 14px;
  bottom: 14px;
  max-width: calc(100% - 28px);
  padding: 7px 10px;
  border-radius: 7px;
  background: rgba(255, 255, 255, .92);
  color: #385552;
  font-size: 12px;
}

.l9-hero-visual figcaption a {
  color: var(--brand);
  text-underline-offset: 3px;
}

.l9-reading-nav {
  position: sticky;
  top: 64px;
  z-index: 20;
  display: flex;
  gap: 0;
  margin: 18px 0 0;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(255, 255, 253, .96);
  overscroll-behavior: contain;
}

.l9-reading-nav a {
  flex: 1 0 auto;
  min-width: 148px;
  padding: 12px 16px;
  border-right: 1px solid var(--line);
  color: var(--brand-deep);
  font-size: 13px;
  font-weight: 900;
  text-align: center;
  text-decoration: none;
}

.l9-reading-nav a:last-child { border-right: 0; }
.l9-reading-nav a:hover { background: var(--brand-soft); }

.l9-report-body {
  width: min(940px, 100%);
  margin: 0 auto;
}

.l9-block {
  padding: clamp(54px, 7vw, 84px) 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 132px;
}

.l9-block:last-child { border-bottom: 0; }

.l9-block h2 {
  max-width: 760px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.2;
  letter-spacing: -.025em;
}

.l9-deck {
  max-width: 720px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.l9-conclusion {
  margin: 34px 0 0;
  padding: 22px 0 22px 24px;
  border-left: 5px solid var(--brand);
  color: var(--ink);
  font-size: clamp(18px, 2.5vw, 23px);
  font-weight: 900;
  line-height: 1.65;
}

.l9-decision-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 38px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.l9-decision-item { padding: 24px 24px 24px 0; }

.l9-decision-item + .l9-decision-item {
  padding-left: 24px;
  border-left: 1px solid var(--line);
}

.l9-decision-item strong {
  display: block;
  margin-bottom: 8px;
  color: var(--brand);
  font-size: 14px;
}

.l9-decision-item span {
  color: var(--ink);
  font-size: 15px;
  font-weight: 800;
}

.l9-chain-list {
  margin-top: 38px;
  border-top: 1px solid var(--line);
}

.l9-chain {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) minmax(0, 1fr);
  gap: 28px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.l9-chain h3 { margin: 0; color: var(--ink); font-size: 20px; }
.l9-chain p { margin: 0; color: var(--muted); }
.l9-chain strong { color: var(--ink); }

.l9-tradeoffs {
  margin-top: 42px;
  padding: 28px;
  border-radius: 12px;
  background: #e9f1ee;
}

.l9-tradeoffs h3 { margin: 0 0 16px; font-size: 21px; }
.l9-tradeoffs ul { margin: 0; padding-left: 20px; }
.l9-tradeoffs li + li { margin-top: 10px; }
.l9-tradeoffs li { color: #4d625f; }

.l9-rivals,
.l9-lifecycle,
.l9-gates {
  margin-top: 36px;
  border-top: 1px solid var(--line);
}

.l9-rival {
  display: grid;
  grid-template-columns: 150px repeat(3, minmax(0, 1fr));
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.l9-rival h3 { margin: 0; font-size: 18px; }
.l9-rival p { margin: 0; color: var(--muted); }
.l9-rival strong { display: block; margin-bottom: 5px; color: var(--ink); font-size: 13px; }

.l9-lifecycle-row {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) minmax(0, 1fr);
  gap: 28px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.l9-lifecycle-row h3 { margin: 0; font-size: 18px; }
.l9-lifecycle-row p { margin: 0; color: var(--muted); }
.l9-lifecycle-row strong { display: block; margin-bottom: 5px; color: var(--ink); font-size: 13px; }

.l9-gate {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 28px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.l9-gate h3 { margin: 0; font-size: 18px; }
.l9-gate p { margin: 0; color: var(--muted); }

.l9-source-note {
  margin-top: 34px;
  padding: 20px 22px;
  border: 1px solid #e5d29f;
  border-radius: 12px;
  background: #fffaf0;
  color: #5f4b21;
}

.l9-sources { display: grid; gap: 10px; margin-top: 24px; }
.l9-sources details { border-bottom: 1px solid var(--line); background: transparent; }
.l9-sources summary { padding: 14px 0; color: var(--ink); font-weight: 900; cursor: pointer; }
.l9-sources p { margin: 0 0 16px; color: var(--muted); }
.l9-sources a { color: var(--brand); text-underline-offset: 3px; }
.l9-footnote { margin-top: 28px; color: var(--muted); font-size: 12px; }

@media (max-width: 900px) {
  .l9-hero { grid-template-columns: 1fr; }
  .l9-hero-visual { min-height: 360px; }
  .l9-decision-strip { grid-template-columns: 1fr; }
  .l9-decision-item,
  .l9-decision-item + .l9-decision-item { padding: 20px 0; border-left: 0; }
  .l9-decision-item + .l9-decision-item { border-top: 1px solid var(--line); }
  .l9-chain,
  .l9-lifecycle-row { grid-template-columns: 150px minmax(0, 1fr); }
  .l9-chain > :last-child,
  .l9-lifecycle-row > :last-child { grid-column: 2; }
  .l9-rival { grid-template-columns: 140px minmax(0, 1fr); }
  .l9-rival > :nth-child(n + 3) { grid-column: 2; }
}

@media (max-width: 660px) {
  .l9-report .archive-main { width: min(100vw - 24px, 1120px); }
  .l9-hero { min-height: 0; }
  .l9-hero-copy { padding: 32px 22px; }
  .l9-hero h1 { font-size: 40px; }
  .l9-hero-lead { font-size: 15px; }
  .l9-hero-visual { min-height: 280px; }
  .l9-reading-nav { top: 106px; margin-top: 12px; }
  .l9-block { padding: 48px 0; }
  .l9-block { scroll-margin-top: 202px; }
  .l9-chain,
  .l9-rival,
  .l9-lifecycle-row,
  .l9-gate { grid-template-columns: 1fr; gap: 10px; }
  .l9-chain > :last-child,
  .l9-rival > :nth-child(n + 3),
  .l9-lifecycle-row > :last-child { grid-column: 1; }
  .l9-tradeoffs { padding: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}