.topic-hero {
  min-height: 78vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.topic-hero .display {
  max-width: 12.5ch;
}
.topic-hero .sub {
  max-width: 58ch;
}
.topic-layout {
  position: relative;
  z-index: 10;
  padding: 40px 6vw 20px;
}
.topic-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.topic-lines {
  border-top: 1px solid var(--line);
}
.topic-line {
  display: grid;
  grid-template-columns: minmax(150px, 0.32fr) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 88px);
  padding: clamp(30px, 5vw, 56px) 0;
  border-bottom: 1px solid var(--line);
}
.topic-line .topic-kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--amber);
}
.topic-line h2 {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 56px);
  line-height: 1;
  font-weight: 400;
  letter-spacing: -0.02em;
  max-width: 12ch;
  margin-bottom: 18px;
}
.topic-line p {
  max-width: 62ch;
  color: var(--ink-dim);
  font-size: 15px;
  line-height: 1.7;
}
.topic-index {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.topic-index-item {
  min-height: 190px;
  padding: 26px 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.topic-index-item span {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.topic-index-item h2 {
  font-family: var(--serif);
  font-size: clamp(22px, 2vw, 30px);
  line-height: 1.05;
  font-weight: 400;
  letter-spacing: -0.015em;
}
.topic-index-item p {
  margin-top: auto;
  color: var(--ink-dim);
  font-size: 13px;
  line-height: 1.55;
}
.topic-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 26px;
}
.topic-link {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: 100px;
  color: var(--ink-dim);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.3s, border-color 0.3s, background 0.3s;
}
.topic-link:hover {
  color: var(--amber);
  border-color: rgba(233, 196, 138, 0.4);
  background: rgba(233, 196, 138, 0.035);
}
.topic-visual {
  min-height: 420px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(245, 241, 234, 0.08) 1px, transparent 1px),
    linear-gradient(180deg, rgba(245, 241, 234, 0.08) 1px, transparent 1px),
    radial-gradient(ellipse 520px 260px at 28% 30%, rgba(233, 196, 138, 0.11), transparent 62%),
    radial-gradient(ellipse 620px 360px at 78% 76%, rgba(245, 241, 234, 0.055), transparent 66%);
  background-size: 120px 120px, 120px 120px, auto, auto;
  position: relative;
  overflow: hidden;
}
.topic-visual::before,
.topic-visual::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(233, 196, 138, 0.28);
}
.topic-visual::before {
  width: min(48vw, 560px);
  height: min(30vw, 330px);
  left: 12%;
  top: 18%;
}
.topic-visual::after {
  width: min(28vw, 310px);
  height: min(42vw, 460px);
  right: 16%;
  bottom: -10%;
}
.topic-cta {
  text-align: left;
  max-width: none;
  margin-top: 0;
}
.topic-cta h3,
.topic-cta p {
  margin-left: 0;
  margin-right: 0;
}
.topic-cta h3 {
  max-width: 18ch;
}
.topic-cta p {
  max-width: 48ch;
}
@media (max-width: 980px) {
  .topic-index { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .topic-hero {
    min-height: auto;
    padding-top: 148px;
  }
  .topic-hero .display,
  .topic-line h2,
  .topic-cta h3 {
    max-width: 10.5ch;
  }
  .topic-hero .sub,
  .topic-line p,
  .topic-index-item p,
  .topic-cta p {
    max-width: calc(100vw - 60px);
    width: min(100%, 30ch);
  }
  .topic-line {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .topic-index {
    grid-template-columns: 1fr;
  }
  .topic-index-item {
    min-height: 150px;
  }
  .topic-visual {
    min-height: 320px;
    background-size: 72px 72px, 72px 72px, auto, auto;
  }
  .topic-visual::before {
    width: 68vw;
    height: 44vw;
    left: 9%;
    top: 18%;
  }
  .topic-visual::after {
    width: 42vw;
    height: 56vw;
    right: 7%;
  }
}