.page-news {
  --news-hair: rgba(36, 75, 92, 0.6);
  --news-hair-soft: rgba(36, 75, 92, 0.32);
  --news-tint: rgba(20, 44, 61, 0.55);
  background: var(--bg);
  color: var(--text);
}

.page-news img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-news .upd-hero {
  padding-block: clamp(1.5rem, 4vw, 3rem) clamp(2rem, 5vw, 3.5rem);
}

.page-news .upd-hero__frame {
  position: relative;
  margin-top: clamp(1rem, 3vw, 2rem);
  padding: clamp(1.25rem, 4vw, 3rem);
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, var(--news-tint), rgba(7, 17, 28, 0.15)),
    repeating-linear-gradient(90deg, transparent 0 95px, rgba(36, 75, 92, 0.26) 95px 96px);
}

.page-news .upd-hero__frame::after {
  content: "";
  position: absolute;
  right: -1px;
  top: -1px;
  width: 42px;
  height: 42px;
  border-top: 2px solid var(--signal-cyan);
  border-right: 2px solid var(--signal-cyan);
  pointer-events: none;
}

.page-news .upd-hero__title {
  margin: 0.75rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 6.2vw, 4.4rem);
  line-height: 1.03;
  letter-spacing: -0.03em;
  color: var(--frost);
  max-width: 20ch;
}

.page-news .upd-hero__lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(0.95rem, 1.6vw, 1.1rem);
  line-height: 1.8;
  color: var(--text);
}

.page-news .upd-hero__facts {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--news-hair-soft);
  display: grid;
  gap: 0.65rem;
}

.page-news .upd-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.page-news .upd-hero__facts .mono {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--signal-cyan);
}

@media (min-width: 720px) {
  .page-news .upd-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
  }
}

.page-news .upd-fig {
  margin: 1.5rem 0 0;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-hard);
}

.page-news .upd-fig img {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.page-news .upd-fig--hero img {
  aspect-ratio: 16 / 7;
}

.page-news .upd-fig--tall img {
  aspect-ratio: 7 / 5;
}

.page-news .upd-fig--wide img {
  aspect-ratio: 2 / 1;
}

.page-news .upd-fig__cap {
  padding: 0.6rem 0.85rem;
  border-top: 1px solid var(--news-hair-soft);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

@media (max-width: 719px) {
  .page-news .upd-fig {
    box-shadow: none;
  }
}

.page-news .upd-sec {
  padding-block: clamp(2rem, 5vw, 3.5rem);
  border-top: 1px solid var(--news-hair-soft);
}

.page-news .upd-body {
  gap: 1.75rem;
}

@media (min-width: 960px) {
  .page-news .upd-body {
    gap: 2.75rem;
  }
}

.page-news .upd-index {
  align-self: start;
  min-width: 0;
}

@media (min-width: 960px) {
  .page-news .upd-index {
    position: sticky;
    top: calc(var(--header-h) + var(--rail-h) + 1rem);
    border-left: 1px solid var(--line);
    padding-left: 1rem;
  }
}

.page-news .upd-index__title {
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-news .upd-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.1rem;
  border-top: 1px solid var(--news-hair-soft);
}

.page-news .upd-index__link {
  display: block;
  padding: 0.55rem 0.2rem 0.55rem 1.1rem;
  position: relative;
  font-size: 0.92rem;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--news-hair-soft);
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-news .upd-index__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 0.6rem;
  height: 1px;
  background: var(--sage);
  transform: translateY(-50%);
  transition: background var(--dur) var(--ease), width var(--dur) var(--ease);
}

.page-news .upd-index__link:hover,
.page-news .upd-index__link:focus-visible {
  color: var(--signal-cyan);
  padding-left: 1.35rem;
}

.page-news .upd-index__link:hover::before,
.page-news .upd-index__link:focus-visible::before {
  width: 1rem;
  background: var(--signal-cyan);
}

.page-news .upd-index__note {
  margin: 1.1rem 0 0;
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-news .upd-index__stamp {
  margin: 0.9rem 0 0;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--grid-blue);
}

.page-news .upd-stream {
  min-width: 0;
}

.page-news .upd-stream__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.6rem, 3.4vw, 2.5rem);
  letter-spacing: -0.02em;
  color: var(--frost);
}

.page-news .upd-stream__hint {
  margin: 0 0 1.4rem;
  max-width: 60ch;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-news .log-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-news .log-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.page-news .log-cat {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.42rem 0.8rem;
  border: 1px solid var(--line);
  background: transparent;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .log-cat:hover {
  color: var(--frost);
  border-color: var(--line-signal);
  background: rgba(57, 230, 208, 0.06);
}

.page-news .log-cat__n {
  font-size: 0.68rem;
  color: inherit;
  opacity: 0.65;
}

.page-news #log-all:checked ~ .log-cats label[for="log-all"],
.page-news #log-version:checked ~ .log-cats label[for="log-version"],
.page-news #log-device:checked ~ .log-cats label[for="log-device"],
.page-news #log-guide:checked ~ .log-cats label[for="log-guide"],
.page-news #log-notice:checked ~ .log-cats label[for="log-notice"] {
  color: var(--ink-950);
  background: var(--signal-cyan);
  border-color: var(--signal-cyan);
}

.page-news #log-all:focus-visible ~ .log-cats label[for="log-all"],
.page-news #log-version:focus-visible ~ .log-cats label[for="log-version"],
.page-news #log-device:focus-visible ~ .log-cats label[for="log-device"],
.page-news #log-guide:focus-visible ~ .log-cats label[for="log-guide"],
.page-news #log-notice:focus-visible ~ .log-cats label[for="log-notice"] {
  outline: 2px solid var(--signal-cyan);
  outline-offset: 3px;
}

.page-news #log-version:checked ~ .log-list .log-item:not(.log-item--version),
.page-news #log-device:checked ~ .log-list .log-item:not(.log-item--device),
.page-news #log-guide:checked ~ .log-list .log-item:not(.log-item--guide),
.page-news #log-notice:checked ~ .log-list .log-item:not(.log-item--notice) {
  display: none;
}

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

.page-news .log-item {
  position: relative;
  padding: 1.15rem 0 1.15rem 1.1rem;
  border-bottom: 1px solid var(--news-hair-soft);
}

.page-news .log-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15rem;
  bottom: 1.15rem;
  width: 3px;
  background: var(--line);
  transition: background var(--dur) var(--ease);
}

.page-news .log-item:hover::before,
.page-news .log-item:focus-within::before {
  background: var(--signal-cyan);
}

.page-news .log-item__link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.page-news .log-item__link:focus-visible {
  outline: 2px solid var(--signal-cyan);
  outline-offset: 4px;
}

.page-news .log-cat-tag {
  display: inline-block;
  padding: 0.16rem 0.5rem;
  border: 1px solid currentColor;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
}

.page-news .log-cat-tag--version,
.page-news .log-cat-tag--guide {
  color: var(--signal-cyan);
}

.page-news .log-cat-tag--device {
  color: var(--sage);
}

.page-news .log-cat-tag--notice {
  color: var(--amber);
}

.page-news .log-item__title {
  margin: 0.5rem 0 0.35rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.05rem, 2.2vw, 1.32rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--frost);
  transition: color var(--dur) var(--ease);
}

.page-news .log-item__link:hover .log-item__title {
  color: var(--signal-cyan);
}

.page-news .log-item__sum {
  margin: 0 0 0.5rem;
  max-width: 68ch;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-news .log-item__meta {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.07em;
  color: var(--sage);
  opacity: 0.85;
}

.page-news .upd-fig--inline {
  margin: 0 0 0.9rem;
  box-shadow: none;
  max-width: 420px;
}

.page-news .upd-fig--inline img {
  aspect-ratio: 9 / 7;
}

.page-news .upd-special__grid {
  gap: 1.75rem;
}

.page-news .upd-special__title {
  margin: 0.6rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.55rem, 3.4vw, 2.4rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--frost);
}

.page-news .upd-special__text {
  margin: 0 0 1rem;
  max-width: 60ch;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--text);
}

.page-news .upd-details {
  margin-top: 1.2rem;
  border: 1px solid var(--line);
  background: var(--surface);
}

.page-news .upd-details summary {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--signal-cyan);
  cursor: pointer;
  list-style: none;
}

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

.page-news .upd-details summary::after {
  content: "＋";
  color: var(--sage);
}

.page-news .upd-details[open] summary::after {
  content: "－";
  color: var(--amber);
}

.page-news .upd-details summary:focus-visible {
  outline: 2px solid var(--signal-cyan);
  outline-offset: -2px;
}

.page-news .upd-details__body {
  padding: 0.2rem 1rem 1rem;
  border-top: 1px solid var(--news-hair-soft);
}

.page-news .upd-details__body p {
  margin: 0.8rem 0 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .upd-special__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-news .upd-special__media {
  min-width: 0;
}

.page-news .upd-gray__grid {
  gap: 1.75rem;
}

.page-news .upd-gray__title {
  margin: 0.6rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--frost);
}

.page-news .upd-gray__text {
  margin: 0;
  max-width: 58ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .gray-steps {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
  counter-reset: gs;
}

.page-news .gray-steps li {
  position: relative;
  padding-left: 2.4rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-news .gray-steps li::before {
    counter-increment: gs;
    content: "0" counter(gs);
    position: absolute;
    left: 0;
    top: 0.15rem;
    padding: 0.1rem 0.3rem;
    border: 1px solid var(--line);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--signal-cyan);
}

.page-news .gray-steps strong {
  color: var(--frost);
  font-weight: 500;
}

.page-news .gray-svg {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 1.5rem;
}

.page-news .gray-svg__seg1 {
  stroke: var(--amber);
  fill: rgba(255, 180, 95, 0.14);
}

.page-news .gray-svg__seg2 {
  stroke: var(--signal-cyan);
  fill: rgba(57, 230, 208, 0.12);
}

.page-news .gray-svg__seg3 {
  stroke: var(--sage);
  fill: rgba(143, 169, 156, 0.1);
}

.page-news .upd-feedback__panel {
  padding: clamp(1.5rem, 4vw, 2.75rem);
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  background:
    linear-gradient(135deg, rgba(20, 44, 61, 0.85), rgba(7, 17, 28, 0.6)),
    repeating-linear-gradient(0deg, transparent 0 23px, rgba(36, 75, 92, 0.22) 23px 24px);
}

.page-news .upd-feedback__title {
  margin: 0.6rem 0 0.9rem;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.5rem, 3.2vw, 2.3rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--frost);
}

.page-news .upd-feedback__text {
  margin: 0;
  max-width: 66ch;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--text);
}

.page-news .upd-feedback__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.4rem;
}

.page-news .upd-feedback__note {
  margin: 1.1rem 0 0;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--sage);
}

@media (min-width: 900px) {
  .page-news .upd-special__grid {
    align-items: start;
    gap: 2.5rem;
  }

  .page-news .upd-gray__grid {
    align-items: start;
    gap: 2.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .log-item::before,
  .page-news .upd-index__link,
  .page-news .upd-index__link::before,
  .page-news .log-cat,
  .page-news .log-item__title {
    transition: none;
  }
}