.page-news {
  --news-paper-line: rgba(10, 26, 43, 0.16);
  --news-paper-muted: rgba(10, 26, 43, 0.68);
  display: block;
  background: var(--ink);
  color: var(--text);
}

.page-news .news-head {
  padding-top: clamp(20px, 4vw, 44px);
  padding-bottom: clamp(6px, 2vw, 14px);
}

.page-news .news-mast {
  margin-top: 22px;
  display: grid;
  gap: 26px;
}

.page-news .news-mast h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 6vw, 58px);
  line-height: 1.06;
  letter-spacing: 0.03em;
  color: var(--text);
}

.page-news .news-lede {
  margin: 16px 0 0;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-news .news-stats li {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-news .news-stats strong {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 500;
  line-height: 1.1;
  color: var(--cyan);
}

.page-news .news-stats span {
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.page-news .news-sec {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-sec__num {
  flex: none;
  margin-top: 4px;
  padding: 3px 7px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.2;
  color: var(--orange);
}

.page-news .news-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.6vw, 34px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.03em;
  color: var(--text);
}

.page-news .news-sec__note {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

.page-news .news-band {
  margin: 22px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-panel);
}

.page-news .news-band img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 1;
  object-fit: cover;
}

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

.page-news .series-item {
  padding: 18px 16px 16px;
  background: var(--ink-panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius);
}

.page-news .series-item--device,
.page-news .series-item--notice {
  border-left-color: var(--orange);
}

.page-news .series-item__code {
  display: inline-block;
  padding-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-news .series-item--device .series-item__code,
.page-news .series-item--notice .series-item__code {
  color: var(--orange);
}

.page-news .series-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--text);
}

.page-news .series-item__text {
  margin: 8px 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .series-item__cadence {
  display: block;
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-news .feed-toolbar {
  position: sticky;
  top: 0;
  z-index: 8;
  margin-top: 18px;
  padding: 10px 0;
  background: var(--ink);
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-width: 0;
}

.page-news .filter-btn {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1;
  color: var(--muted);
  cursor: pointer;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-news .filter-btn:hover {
  color: var(--text);
  border-color: var(--cyan);
}

.page-news .filter-btn[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 700;
}

.page-news .feed-count {
  margin: 0 0 0 auto;
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}

.page-news .feed-count .mono {
  font-size: 13px;
  color: var(--cyan);
}

.page-news .feed-list {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-news .feed-item {
  display: grid;
  grid-template-columns: 3px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .feed-item[hidden] {
  display: none;
}

.page-news .feed-rail {
  display: block;
  border-radius: 2px;
  background: var(--cyan);
}

.page-news .feed-item--device .feed-rail,
.page-news .feed-item--notice .feed-rail {
  background: var(--orange);
}

.page-news .feed-body {
  min-width: 0;
}

.page-news .feed-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .feed-time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-news .feed-title {
  margin: 8px 0 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-news .expand-trigger {
  margin-top: 10px;
  padding: 0;
  border: 0;
  background: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  cursor: pointer;
}

.page-news .expand-trigger::after {
  content: "＋";
  margin-left: 6px;
}

.page-news .expand-trigger[aria-expanded="true"]::after {
  content: "－";
}

.page-news .expand-panel {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 240ms var(--ease), opacity 200ms var(--ease), margin-top 240ms var(--ease);
}

.page-news .expand-panel.is-open {
  max-height: 360px;
  opacity: 1;
  margin-top: 10px;
}

.page-news .expand-panel p {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--line);
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .deep-rail {
  display: flex;
  gap: 16px;
  margin-top: 20px;
  padding: 6px 2px 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
}

.page-news .deep-card {
  flex: 0 0 auto;
  width: clamp(250px, 84%, 340px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px;
}

.page-news .deep-media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--news-paper-line);
  border-radius: var(--radius);
}

.page-news .deep-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

.page-news .deep-tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.page-news .deep-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.35;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-news .deep-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--news-paper-muted);
}

.page-news .deep-card .link-arrow {
  margin-top: auto;
  padding-top: 6px;
  color: var(--ink);
}

.page-news .archive-grid {
  display: grid;
  gap: 26px;
  margin-top: 22px;
}

.page-news .archive-steps {
  display: grid;
  gap: 18px;
}

.page-news .archive-step {
  padding-top: 14px;
  border-top: 3px solid var(--cyan);
}

.page-news .archive-step:nth-child(2) {
  border-top-color: var(--cyan-soft);
}

.page-news .archive-step:nth-child(3) {
  border-top-color: var(--line);
}

.page-news .archive-step__label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--text);
}

.page-news .archive-step p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .archive-copy p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .news-cta {
  margin-top: clamp(40px, 7vw, 78px);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(47, 224, 192, 0.08), rgba(10, 26, 43, 0) 72%);
}

.page-news .news-cta__inner {
  display: grid;
  gap: 22px;
  padding: clamp(28px, 5vw, 52px) 0 clamp(36px, 6vw, 64px);
}

.page-news .news-cta__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.2;
  letter-spacing: 0.03em;
  color: var(--text);
}

.page-news .news-cta__text {
  margin: 12px 0 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 720px) {
  .page-news .news-mast {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: 36px;
  }

  .page-news .news-stats {
    padding-top: 0;
    border-top: 0;
  }

  .page-news .news-stats li {
    padding-left: 12px;
    border-left: 1px solid var(--line);
  }

  .page-news .series-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-news .feed-item {
    grid-template-columns: 4px minmax(0, 1fr);
    gap: 18px;
    padding: 22px 0;
  }

  .page-news .feed-title {
    font-size: 18px;
  }

  .page-news .archive-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 34px;
    align-items: start;
  }

  .page-news .news-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-news .series-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .deep-card {
    width: 348px;
  }

  .page-news .deep-rail {
    gap: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .expand-panel,
  .page-news .filter-btn,
  .page-news .deep-rail {
    transition: none;
  }
}
<<<END>>>