.article-hero {
  padding-bottom: 34px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.article-meta span {
  border: 1px solid var(--rule);
  padding: 5px 9px;
}

.article-meta .category {
  background: var(--hot);
  border-color: var(--hot);
  color: var(--paper);
  font-weight: 700;
}

.article-layout {
  max-width: 980px;
  margin: 0 auto;
  padding: 54px 28px 88px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 56px;
  align-items: start;
}

.article-body {
  max-width: 720px;
}

.article-lead {
  padding: 0 0 30px;
  border-bottom: 2px solid var(--ink);
  color: var(--ink);
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  line-height: 2;
}

.article-section {
  padding: 38px 0;
  border-bottom: 1px solid var(--rule);
  text-align: justify;
  scroll-margin-top: 104px;
}

.article-section h2 {
  font-family: "M PLUS 1p", "Noto Sans JP", sans-serif;
  font-size: clamp(22px, 2.6vw, 32px);
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin-bottom: 18px;
}

.article-section h3 {
  font-family: "M PLUS 1p", "Noto Sans JP", sans-serif;
  font-size: 17px;
  font-weight: 900;
  margin: 26px 0 10px;
}

.article-section p {
  color: var(--txt);
  font-size: 14px;
  line-height: 2.05;
}

.article-section p + p {
  margin-top: 16px;
}

.article-section ul {
  list-style: none;
  margin-top: 16px;
  display: grid;
  gap: 8px;
}

.article-section li {
  position: relative;
  padding-left: 18px;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.9;
}

.article-section li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.9em;
  width: 6px;
  height: 1px;
  background: var(--hot);
}

.article-quote {
  margin: 28px 0;
  padding: 22px 24px;
  border-left: 4px solid var(--hot);
  background: var(--bg-2);
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
  line-height: 2;
}

.article-figure {
  margin: 34px 0;
  border: 1px solid var(--rule);
  background: rgba(255, 255, 255, 0.03);
}

.article-figure img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.article-figure figcaption {
  padding: 10px 12px;
  color: var(--ink-mute);
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-aside {
  position: sticky;
  top: 86px;
  border-top: 2px solid var(--ink);
  padding-top: 18px;
}

.article-aside h2 {
  font-family: "Oswald", sans-serif;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--hot);
  font-weight: 500;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.article-aside a {
  display: block;
  padding: 8px 0;
  border-bottom: 1px solid var(--rule);
  color: var(--ink-2);
  font-size: 13px;
  line-height: 1.6;
}

.article-aside a:hover {
  color: var(--hot);
}

.article-cta {
  margin-top: 42px;
  padding: 28px 30px 30px;
  border: 1px solid var(--rule);
  border-top: 3px solid var(--hot);
  background: rgba(255, 255, 255, 0.025);
}

.article-cta-kicker {
  font-family: "Oswald", sans-serif;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--hot);
  font-weight: 500;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.article-cta h2 {
  font-family: "M PLUS 1p", "Noto Sans JP", sans-serif;
  font-size: clamp(22px, 2.8vw, 32px);
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}

.article-cta p:not(.article-cta-kicker) {
  max-width: 620px;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 2;
}

.article-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.article-cta-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--rule);
  font-family: "Oswald", sans-serif;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.article-cta-actions .primary {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.article-cta-actions .primary:hover {
  background: var(--hot);
  border-color: var(--hot);
}

.article-cta-actions .secondary {
  color: var(--ink);
}

.article-cta-actions .secondary:hover {
  border-color: var(--hot);
  color: var(--hot);
}

@media (max-width: 900px) {
  .article-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .article-body {
    max-width: none;
  }

  .article-aside {
    position: static;
    order: -1;
  }
}

@media (max-width: 640px) {
  .article-layout {
    padding: 56px 20px 88px;
    gap: 44px;
  }

  .article-lead {
    padding-bottom: 38px;
    font-size: 18px;
    line-height: 2.08;
  }

  .article-section {
    padding: 52px 0;
    scroll-margin-top: 126px;
  }

  .article-section h2 {
    margin-bottom: 24px;
    line-height: 1.45;
  }

  .article-section h3 {
    margin: 34px 0 14px;
  }

  .article-section p {
    font-size: 15px;
    line-height: 2.12;
  }

  .article-section p + p {
    margin-top: 26px;
  }

  .article-cta p + p {
    margin-top: 22px;
  }

  .article-section ul {
    gap: 12px;
    margin-top: 22px;
  }

  .article-section li {
    font-size: 14px;
    line-height: 2;
  }

  .article-aside {
    padding-top: 22px;
  }

  .article-aside a {
    padding: 10px 0;
  }

  .article-cta {
    margin-top: 54px;
    padding: 30px 22px 32px;
  }

  .article-cta p:not(.article-cta-kicker) {
    font-size: 15px;
    line-height: 2.08;
  }

  .article-cta-actions {
    flex-direction: column;
    align-items: stretch;
  }
}