.page-news {
  --news-pad: 18px;
  overflow-x: clip;
}

.page-news .news-hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding-block: 26px 10px;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  right: -60px;
  top: -30px;
  width: 200px;
  height: 240px;
  background:
    linear-gradient(148deg, rgba(47, 243, 214, .18), rgba(123, 92, 255, .07) 58%, transparent 70%);
  transform: skewY(-9deg);
  pointer-events: none;
}

.page-news h1 {
  position: relative;
  margin: 10px 0 16px;
  font-size: clamp(34px, 8.6vw, 64px);
  line-height: .98;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--ink);
}

.page-news .news-hero__lead {
  max-width: 38em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-dim);
}

.page-news .chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-news .hero-panel {
  position: relative;
  border: 2px solid var(--line-2);
  background: var(--abyss-800);
  box-shadow: var(--shadow-hard);
  padding: var(--news-pad);
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-news .hero-panel__cap {
  color: var(--cyan);
  margin-bottom: 2px;
}

.page-news .hero-panel__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-1);
}

.page-news .hero-panel__row--last {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .hero-panel__label {
  font-size: 13px;
  color: var(--ink-mute);
}

.page-news .hero-panel__num {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -.01em;
}

.page-news .hero-panel__num small {
  font-size: 12px;
  color: var(--ink-mute);
  font-weight: 400;
}

.page-news .hero-panel__note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-mute);
  border-top: 2px solid var(--line-2);
  padding-top: 12px;
}

.page-news .chapter__title {
  font-size: clamp(24px, 5.4vw, 40px);
  line-height: 1.08;
  letter-spacing: -.01em;
}

.page-news .section--tight {
  padding-block: clamp(36px, 6vw, 64px);
}

.page-news .news-figure {
  margin: 24px 0 0;
}

.page-news .prose {
  margin-top: 20px;
}

.page-news .colgrid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 26px;
}

.page-news .col-card {
  border: 2px solid var(--line-2);
  background: var(--abyss-800);
  padding: var(--news-pad);
  transition: border-color .18s var(--ease), transform .18s var(--ease), box-shadow .18s var(--ease);
}

.page-news .col-card:hover {
  border-color: var(--cyan);
  transform: translate(-4px, -4px);
  box-shadow: var(--shadow-cyan);
}

.page-news .col-card__num {
  font-size: 13px;
  color: var(--cyan);
  letter-spacing: .14em;
}

.page-news .col-card__name {
  margin: 8px 0 6px;
  font-size: 19px;
  font-weight: 900;
  letter-spacing: -.01em;
}

.page-news .col-card__desc {
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-dim);
}

.page-news .observe {
  border-top: 2px solid var(--line-2);
  padding-top: 22px;
}

.page-news .observe-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-news .observe-list__item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line-1);
  transition: background-color .18s var(--ease);
}

.page-news .observe-list__item:hover {
  background: var(--abyss-700);
}

.page-news .observe-list__num {
  font-size: 18px;
  color: var(--violet);
  letter-spacing: .06em;
}

.page-news .observe-list__title {
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 6px;
}

.page-news .observe-list__text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-dim);
}

.page-news .observe__foot {
  margin-top: 18px;
  color: var(--ink-mute);
}

.page-news .log-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-top: 22px;
}

.page-news .log-layout .news-figure {
  margin: 0;
}

.page-news .log-track {
  display: grid;
  gap: 0;
  border-left: 2px solid var(--line-2);
  padding-left: 18px;
}

.page-news .log-item {
  position: relative;
  padding: 0 0 22px;
}

.page-news .log-item::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 6px;
  width: 10px;
  height: 10px;
  background: var(--abyss-900);
  border: 2px solid var(--slate-400);
}

.page-news .log-item--now::before {
  background: var(--orange);
  border-color: var(--orange);
}

.page-news .log-item__ver {
  font-size: 14px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-news .log-item--now .log-item__ver {
  color: var(--orange);
}

.page-news .log-item__title {
  margin: 6px 0 6px;
  font-size: 17px;
  font-weight: 800;
}

.page-news .log-item__text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-dim);
  max-width: 40em;
}

.page-news .case-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-top: 22px;
}

.page-news .case-layout .news-figure {
  margin: 0;
}

.page-news .case-cover {
  box-shadow: var(--shadow-orange);
}

.page-news .case-use {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 24px;
}

.page-news .case-use__item {
  border: 2px solid var(--line-2);
  border-top: 4px solid var(--cyan);
  background: var(--abyss-800);
  padding: var(--news-pad);
}

.page-news .case-use__item--orange {
  border-top-color: var(--orange);
}

.page-news .case-use__title {
  margin: 10px 0 6px;
  font-size: 17px;
  font-weight: 800;
}

.page-news .case-use__text {
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-dim);
}

.page-news .case-use__tag-orange,
.page-news .case-tag-orange {
  display: inline-block;
  padding: 3px 9px;
  font-size: 12px;
  letter-spacing: .08em;
  background: var(--orange);
  color: var(--abyss-900);
  border: 2px solid var(--orange);
  font-weight: 700;
}

.page-news .news-ledger {
  border-top: 2px solid var(--line-2);
  border-bottom: 2px solid var(--line-2);
  background: var(--abyss-800);
}

.page-news .ledger-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-top: 22px;
}

.page-news .ledger__label {
  color: var(--cyan);
  margin: 0 0 12px;
}

.page-news .ledger__group {
  border-top: 2px solid var(--line-2);
  margin-bottom: 26px;
}

.page-news .ledger__group--b .entry:nth-child(odd) {
  background: rgba(7, 14, 28, .55);
}

.page-news .entry {
  border-left: 4px solid transparent;
  border-bottom: 1px solid var(--line-1);
  transition: border-color .16s var(--ease), background-color .16s var(--ease);
}

.page-news .entry:hover {
  border-left-color: var(--orange);
}

.page-news .entry[open] {
  border-left-color: var(--cyan);
  background: rgba(47, 243, 214, .04);
}

.page-news .entry__sum {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 6px 14px;
  padding: 16px 14px;
  cursor: pointer;
  list-style: none;
}

.page-news .entry__sum::-webkit-details-marker {
  display: none;
}

.page-news .entry__num {
  grid-row: span 2;
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  color: var(--slate-400);
  align-self: start;
  padding-top: 2px;
  border-right: 2px solid var(--line-2);
  padding-right: 10px;
}

.page-news .entry[open] .entry__num {
  color: var(--cyan);
  border-right-color: var(--cyan);
}

.page-news .entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-news .entry__slot {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ink-mute);
}

.page-news .entry__title {
  font-size: 16px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--ink);
}

.page-news .entry:hover .entry__title {
  color: var(--cyan);
}

.page-news .entry__abs {
  padding: 0 14px 18px 88px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-dim);
  max-width: 44em;
}

.page-news .ledger-aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-news .ledger-aside .news-figure {
  margin: 0;
}

.page-news .aside-box {
  border: 2px solid var(--line-2);
  background: var(--abyss-900);
  padding: var(--news-pad);
  box-shadow: var(--shadow-hard);
}

.page-news .aside-list {
  list-style: none;
  margin: 12px 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .aside-list li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-dim);
}

.page-news .aside-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.page-news .join-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 22px;
}

.page-news .join-card {
  border: 2px solid var(--line-2);
  background: var(--abyss-800);
  padding: var(--news-pad);
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}

.page-news .join-card:hover {
  border-color: var(--violet);
  transform: translateY(-4px);
}

.page-news .join-card__title {
  font-size: 18px;
  font-weight: 900;
  margin-bottom: 8px;
  letter-spacing: -.01em;
}

.page-news .join-card__text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-dim);
}

.page-news .join-cta {
  margin-top: 26px;
  border: 2px solid var(--line-2);
  border-left: 6px solid var(--orange);
  background: var(--abyss-800);
  padding: var(--news-pad);
  box-shadow: var(--shadow-hard);
  display: grid;
  gap: 18px;
}

.page-news .join-cta__text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-dim);
  max-width: 34em;
}

.page-news .join-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (min-width: 640px) {
  .page-news .colgrid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-news .case-use {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-news .join-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-news .entry__sum {
    grid-template-columns: 76px 1fr;
    padding: 18px 18px;
  }

  .page-news .entry__num {
    font-size: 26px;
  }

  .page-news .entry__abs {
    padding-left: 112px;
  }
}

@media (min-width: 900px) {
  .page-news {
    --news-pad: 22px;
  }

  .page-news .news-hero {
    grid-template-columns: 7fr 5fr;
    gap: 34px;
    align-items: start;
    padding-block: 40px 20px;
  }

  .page-news .colgrid {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .page-news .log-layout {
    grid-template-columns: 4fr 6fr;
    gap: 34px;
    align-items: start;
  }

  .page-news .case-layout {
    grid-template-columns: 7fr 5fr;
    gap: 34px;
    align-items: start;
  }

  .page-news .ledger-layout {
    grid-template-columns: 8fr 4fr;
    gap: 34px;
    align-items: start;
  }

  .page-news .ledger-aside {
    position: sticky;
    top: 90px;
  }

  .page-news .observe-list__item {
    grid-template-columns: 56px 1fr;
    gap: 22px;
    padding: 22px 18px 22px 0;
  }

  .page-news .join-cta {
    grid-template-columns: 1fr auto;
    align-items: center;
    padding: 26px 28px;
  }
}

@media (min-width: 1200px) {
  .page-news .entry__sum {
    grid-template-columns: 96px 1fr;
  }

  .page-news .entry__num {
    font-size: 30px;
  }

  .page-news .entry__abs {
    padding-left: 132px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .col-card,
  .page-news .join-card,
  .page-news .entry,
  .page-news .observe-list__item {
    transition: none;
  }

  .page-news .col-card:hover,
  .page-news .join-card:hover {
    transform: none;
  }
}
<<<END>>>