.page-news {
  background: var(--ink-900);
  color: var(--paper);
  padding-bottom: clamp(56px, 9vw, 120px);
}

.page-news .news-hero,
.page-news .news-index,
.page-news .news-topic,
.page-news .news-desk,
.page-news .news-cta {
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- breadcrumb ---------- */
.page-news .news-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(16px, 2.6vw, 24px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}
.page-news .news-crumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-news .news-crumb a:hover,
.page-news .news-crumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- hero ---------- */
.page-news .news-hero {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  padding-block: clamp(36px, 7vw, 88px) clamp(40px, 6vw, 76px);
  border-bottom: 1px solid var(--line);
}
.page-news .news-hero__body {
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 2.2vw, 22px);
}
.page-news .news-hero__title {
  margin: 0;
  font-size: clamp(2rem, 6.4vw, 4rem);
  font-weight: 200;
  line-height: 1.06;
  letter-spacing: -.025em;
  color: var(--paper);
}
.page-news .news-hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(1rem, 1.7vw, 1.0625rem);
  line-height: 1.85;
  color: var(--muted);
}
.page-news .news-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(18px, 4vw, 40px);
  margin-top: 4px;
  padding-top: clamp(16px, 2.6vw, 24px);
  border-top: 1px solid var(--line);
}
.page-news .news-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-news .news-stat__num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  line-height: 1;
  color: var(--orange);
  letter-spacing: -.02em;
}
.page-news .news-stat__label {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}
.page-news .news-hero__back {
  align-self: flex-start;
}
.page-news .news-hero__figure {
  margin: 0;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-hard);
  background: var(--ink-800);
}
.page-news .news-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- index ---------- */
.page-news .news-index {
  padding-block: clamp(44px, 7vw, 82px);
  border-bottom: 1px solid var(--line);
}
.page-news .news-index__head h2 {
  margin: 10px 0 0;
  font-size: clamp(1.35rem, 3.2vw, 2rem);
  font-weight: 300;
  letter-spacing: -.01em;
  color: var(--paper);
}
.page-news .news-index__list {
  list-style: none;
  margin: clamp(22px, 4vw, 38px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-news .news-index__list a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  height: 100%;
  padding: 20px 18px;
  background: var(--ink-900);
  color: inherit;
  text-decoration: none;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-news .news-index__list a:hover,
.page-news .news-index__list a:focus-visible {
  background: var(--ink-800);
}
.page-news .news-index__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
}
.page-news .news-index__name {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--paper);
}
.page-news .news-index__desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- topic ---------- */
.page-news .news-topic {
  padding-block: clamp(46px, 7vw, 86px);
  border-bottom: 1px solid var(--line);
}
.page-news .news-topic--schedule { --news-tone: var(--orange); }
.page-news .news-topic--version  { --news-tone: var(--cyan); }
.page-news .news-topic--panel    { --news-tone: var(--violet); }
.page-news .news-topic--member   { --news-tone: var(--green); }

.page-news .news-topic__head h2 {
  margin: 10px 0 0;
  font-size: clamp(1.4rem, 3.4vw, 2.1rem);
  font-weight: 300;
  line-height: 1.25;
  letter-spacing: -.015em;
  color: var(--paper);
}
.page-news .news-topic__desc {
  margin: 14px 0 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--muted);
}
.page-news .news-topic__body {
  margin-top: clamp(24px, 4vw, 36px);
}
.page-news .news-topic__figure {
  margin: 0 0 clamp(22px, 3.6vw, 32px);
  border: 1px solid var(--line);
  background: var(--ink-800);
}
.page-news .news-topic__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- article list ---------- */
.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-news .news-item {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 12px;
  padding: clamp(16px, 2.4vw, 22px) 0;
  border-bottom: 1px solid var(--line);
  transition: transform var(--dur) var(--ease);
}
.page-news .news-item:hover,
.page-news .news-item:focus-within {
  transform: translateX(6px);
}
.page-news .news-item__no {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  letter-spacing: .1em;
  color: var(--news-tone, var(--cyan));
}
.page-news .news-item__main {
  min-width: 0;
}
.page-news .news-item__tag {
  display: inline-block;
  padding: 2px 8px 2px 6px;
  border-left: 3px solid var(--news-tone, var(--cyan));
  background: rgba(255, 255, 255, .045);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--news-tone, var(--cyan));
}
.page-news .news-item__title {
  margin: 10px 0 0;
  font-size: clamp(1.0625rem, 2.2vw, 1.25rem);
  font-weight: 600;
  line-height: 1.45;
  color: var(--paper);
}
.page-news .news-item__excerpt {
  margin: 8px 0 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- fold ---------- */
.page-news .news-fold {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}
.page-news .news-fold > summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--news-tone, var(--cyan));
}
.page-news .news-fold > summary::-webkit-details-marker {
  display: none;
}
.page-news .news-fold > summary::before {
  content: "＋ ";
}
.page-news .news-fold[open] > summary::before {
  content: "－ ";
}
.page-news .news-fold > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}
.page-news .news-fold p {
  margin: 10px 0 0;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- newsdesk ---------- */
.page-news .news-desk {
  padding-block: clamp(48px, 7vw, 88px);
  border-bottom: 1px solid var(--line);
}
.page-news .news-desk__head h2 {
  margin: 10px 0 0;
  font-size: clamp(1.4rem, 3.4vw, 2.1rem);
  font-weight: 300;
  letter-spacing: -.015em;
  color: var(--paper);
}
.page-news .news-desk__lead {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--muted);
}
.page-news .news-desk__grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(24px, 4vw, 38px);
  background: var(--line);
  border: 1px solid var(--line);
}
.page-news .news-desk__card {
  padding: 22px 20px;
  background: var(--ink-900);
}
.page-news .news-desk__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
}
.page-news .news-desk__card h3 {
  margin: 10px 0 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--paper);
}
.page-news .news-desk__card p {
  margin: 8px 0 0;
  font-size: .875rem;
  line-height: 1.8;
  color: var(--muted);
}
.page-news .news-desk__note {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--orange);
  font-size: .875rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- cta ---------- */
.page-news .news-cta {
  padding-block: clamp(48px, 7vw, 90px) 0;
}
.page-news .news-cta h2 {
  margin: 10px 0 0;
  font-size: clamp(1.45rem, 3.6vw, 2.2rem);
  font-weight: 200;
  letter-spacing: -.02em;
  color: var(--paper);
}
.page-news .news-cta p {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--muted);
}
.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3.6vw, 32px);
}

/* ---------- responsive ---------- */
@media (min-width: 620px) {
  .page-news .news-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .news-desk__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: end;
  }
  .page-news .news-topic {
    display: grid;
    grid-template-columns: minmax(200px, 268px) minmax(0, 1fr);
    gap: clamp(28px, 5vw, 64px);
    align-items: start;
  }
  .page-news .news-topic__head {
    position: sticky;
    top: 96px;
  }
  .page-news .news-topic__body {
    margin-top: 0;
  }
}

@media (min-width: 1100px) {
  .page-news .news-index__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-news .news-desk__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-news .news-item {
    grid-template-columns: 2.8rem minmax(0, 1fr);
    gap: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-index__list a,
  .page-news .news-crumb a {
    transition: none;
  }
  .page-news .news-item:hover,
  .page-news .news-item:focus-within {
    transform: none;
  }
}