.page-news {
  position: relative;
  overflow-x: clip;
  color: var(--paper);
  background:
    radial-gradient(1100px 560px at 82% -8%, rgba(53, 242, 200, 0.10), transparent 68%),
    radial-gradient(880px 520px at 6% 18%, rgba(29, 107, 88, 0.20), transparent 70%),
    var(--night);
  padding-bottom: clamp(40px, 6vw, 88px);
}

.page-news .news-hero {
  padding-top: clamp(20px, 3vw, 32px);
  padding-bottom: clamp(40px, 6vw, 76px);
  border-bottom: 1px solid var(--line-soft);
}

.page-news .breadcrumbs {
  margin-bottom: clamp(26px, 4vw, 48px);
}

.page-news .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
}

.page-news .hero-title {
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.4vw, 4.2rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: 0.03em;
  max-width: 13em;
}

.page-news .hero-title .hl {
  color: var(--cyan);
  display: inline-block;
}

.page-news .hero-lede {
  margin: 0;
  max-width: 34em;
  font-size: clamp(1rem, 1.3vw, 1.1rem);
  line-height: 1.85;
  color: var(--mist);
}

.page-news .hero-aside {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.page-news .aside-label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-news .series-index-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-news .series-index-item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 0.92rem;
  color: var(--paper);
}

.page-news .series-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-news .aside-note {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .section {
  padding-top: clamp(40px, 6vw, 80px);
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-news .cover-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: clamp(380px, 54vw, 590px);
  border: 1px solid var(--line);
  background: var(--field-black);
  overflow: hidden;
  isolation: isolate;
}

.page-news .cover-visual {
  position: absolute;
  inset: 0;
  margin: 0;
}

.page-news .cover-visual img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.05);
}

.page-news .cover-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(7, 26, 20, 0.20) 0%, rgba(7, 26, 20, 0.60) 46%, rgba(7, 26, 20, 0.97) 100%),
    repeating-linear-gradient(0deg, rgba(53, 242, 200, 0.045) 0 1px, transparent 1px 4px);
}

.page-news .cover-body {
  position: relative;
  z-index: 1;
  padding: clamp(20px, 4vw, 48px);
}

.page-news .cover-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3.6vw, 2.85rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: 0.02em;
  max-width: 16em;
}

.page-news .cover-text {
  margin: 0 0 18px;
  max-width: 34em;
  line-height: 1.85;
  color: var(--mist);
  font-size: 0.98rem;
}

.page-news .cover-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 20px;
}

.page-news .pill {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid rgba(53, 242, 200, 0.35);
  background: var(--cyan-soft);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.page-news .topic-index {
  margin-top: clamp(20px, 3vw, 32px);
}

.page-news .series-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(22px, 3.4vw, 38px);
}

.page-news .op-tag {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--mist);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-news .op-tag .dot {
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 50%;
  background: var(--deep-teal);
  transition: background-color 0.2s ease;
}

.page-news .op-tag:hover {
  color: var(--paper);
  border-color: var(--cyan);
}

.page-news .op-tag:has(input:checked) {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--night);
}

.page-news .op-tag:has(input:checked) .dot {
  background: var(--night);
}

.page-news .op-tag:has(input:focus-visible) {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-news .op-tag input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-news .topic-index:has(#series-round:checked) .topic-item:not(.topic-item--round),
.page-news .topic-index:has(#series-tag:checked) .topic-item:not(.topic-item--tag),
.page-news .topic-index:has(#series-device:checked) .topic-item:not(.topic-item--device),
.page-news .topic-index:has(#series-price:checked) .topic-item:not(.topic-item--price),
.page-news .topic-index:has(#series-return:checked) .topic-item:not(.topic-item--return) {
  display: none;
}

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

.page-news .topic-item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: clamp(22px, 3.2vw, 34px) 0 clamp(22px, 3.2vw, 34px) 14px;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .topic-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8%;
  bottom: 8%;
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.page-news .topic-item:hover::before,
.page-news .topic-item:focus-within::before {
  opacity: 1;
}

.page-news .topic-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.page-news .topic-tag {
  padding: 3px 8px;
  border: 1px solid rgba(53, 242, 200, 0.4);
  color: var(--cyan);
}

.page-news .topic-when {
  color: var(--mist);
}

.page-news .topic-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.16rem, 2vw, 1.55rem);
  font-weight: 700;
  line-height: 1.38;
  letter-spacing: 0.015em;
  max-width: 24em;
}

.page-news .topic-summary {
  margin: 0;
  max-width: 36em;
  font-size: 0.96rem;
  line-height: 1.82;
  color: var(--mist);
}

.page-news .topic-figure {
  margin: 8px 0 0;
  max-width: 440px;
}

.page-news .topic-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-news .topic-more {
  margin-top: 2px;
}

.page-news .topic-more > summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-news .topic-more > summary::-webkit-details-marker {
  display: none;
}

.page-news .topic-more > summary::before {
  content: "+";
  font-size: 15px;
  line-height: 1;
}

.page-news .topic-more[open] > summary::before {
  content: "\2212";
}

.page-news .topic-more p {
  margin: 10px 0 0;
  max-width: 34em;
  padding-left: 14px;
  border-left: 2px solid rgba(255, 179, 71, 0.38);
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--mist);
}

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

.page-news .next-item a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "num name"
    ". note";
  gap: 4px 16px;
  padding: clamp(16px, 2.4vw, 24px) 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--paper);
  text-decoration: none;
  transition: color 0.22s ease;
}

.page-news .next-item a:hover,
.page-news .next-item a:focus-visible {
  color: var(--cyan);
}

.page-news .next-num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-news .next-name {
  grid-area: name;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-news .next-note {
  grid-area: note;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .back-top {
  margin: clamp(26px, 4vw, 40px) 0 0;
}

@media (min-width: 900px) {
  .page-news .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(220px, 280px);
    align-items: end;
  }

  .page-news .topic-item {
    grid-template-columns: minmax(150px, 190px) minmax(0, 1fr);
    column-gap: clamp(24px, 4vw, 56px);
  }

  .page-news .topic-meta {
    grid-column: 1;
    grid-row: 1 / span 5;
    align-self: start;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .page-news .topic-title,
  .page-news .topic-summary,
  .page-news .topic-figure,
  .page-news .topic-more {
    grid-column: 2;
  }
}

@media (min-width: 1100px) {
  .page-news .cover-body {
    max-width: 68%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .topic-item::before,
  .page-news .op-tag,
  .page-news .next-item a {
    transition: none;
  }
}
</PAGE_CSS>