.page-news {
  --news-cut: 14px;
  --news-gap: clamp(16px, 2.4vw, 28px);
  background: var(--paper);
  color: var(--ink);
}

.page-news .breadcrumb {
  padding: 20px 0 2px;
}

/* ---------- hero ---------- */
.page-news .news-hero {
  display: grid;
  gap: clamp(14px, 2.2vw, 22px);
  padding: clamp(22px, 4vw, 46px) 0 clamp(28px, 5vw, 56px);
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero__title {
  font-family: var(--font-display);
  font-size: clamp(30px, 5.6vw, 62px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0;
  max-width: 15em;
}

.page-news .news-hero__lede {
  max-width: 44ch;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: var(--ink-70);
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-hero__figure {
  margin: clamp(6px, 1.6vw, 16px) 0 0;
}

.page-news .news-hero__figure .figure__frame {
  aspect-ratio: 1400 / 600;
  overflow: hidden;
  background: var(--velvet);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}

.page-news .news-hero__figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- section rhythm ---------- */
.page-news .news-section {
  padding: clamp(34px, 5vw, 66px) 0;
}

.page-news .news-section--tight {
  padding: clamp(24px, 3.4vw, 44px) 0;
}

.page-news .news-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8px 24px;
  padding-bottom: 12px;
  margin-bottom: clamp(18px, 3vw, 30px);
  border-bottom: 1px solid var(--line);
}

.page-news .news-head h2 {
  font-family: var(--font-display);
  font-size: clamp(21px, 3.2vw, 34px);
  line-height: 1.2;
  margin: 6px 0 0;
}

.page-news .news-head__note {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-45);
  margin: 0;
}

/* ---------- highlights ---------- */
.page-news .spot-board {
  display: grid;
  gap: var(--news-gap);
}

.page-news .spot-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(12px, 2vw, 18px);
}

.page-news .spot {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(12px, 2vw, 24px);
  padding: clamp(16px, 2.4vw, 26px) clamp(16px, 2.4vw, 28px);
  background: var(--float);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--news-cut)), calc(100% - var(--news-cut)) 100%, 0 100%);
  transition: transform 0.28s var(--ease);
}

.page-news .spot::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  background: var(--lark);
}

.page-news .spot:nth-child(2)::before {
  background: var(--yellow);
}

.page-news .spot:nth-child(3)::before {
  background: var(--neon);
}

.page-news .spot:hover {
  transform: translateY(-3px);
}

.page-news .spot__num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 44px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--ember);
}

.page-news .spot__title {
  font-size: clamp(17px, 2.1vw, 21px);
  line-height: 1.4;
  margin: 0 0 8px;
  font-weight: 700;
}

.page-news .spot__body {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-70);
}

.page-news .spot-side {
  background: var(--float);
  border: 1px solid var(--line);
  padding: 14px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--news-cut)), calc(100% - var(--news-cut)) 100%, 0 100%);
}

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

.page-news .spot-side__cap {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-70);
}

/* ---------- tag board ---------- */
.page-news .tag-board {
  display: grid;
  gap: clamp(18px, 3vw, 34px);
}

.page-news .tag-board__main {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  background: var(--float);
  border: 1px solid var(--line);
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: background 0.22s var(--ease), color 0.22s var(--ease), border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-news .filter-btn:hover {
  transform: translateY(-2px);
  border-color: var(--lark);
}

.page-news .filter-btn[aria-pressed="true"],
.page-news .filter-btn.is-active {
  background: var(--velvet);
  border-color: var(--velvet);
  color: var(--paper);
}

.page-news .filter-btn__n {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 1px 6px;
  background: var(--mist);
  color: var(--ink);
}

.page-news .filter-btn[aria-pressed="true"] .filter-btn__n,
.page-news .filter-btn.is-active .filter-btn__n {
  background: var(--yellow);
  color: var(--ink);
}

.page-news .filter-status {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--ink-45);
}

.page-news .tag-cloud {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .tag-board__art {
  margin: 0;
}

.page-news .tag-board__art .figure__frame {
  aspect-ratio: 800 / 400;
  overflow: hidden;
  background: var(--velvet);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}

.page-news .tag-board__art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- log list ---------- */
.page-news .log-layout {
  display: grid;
  gap: clamp(20px, 3vw, 38px);
}

.page-news .log-list {
  display: block;
}

.page-news .log-entry {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(12px, 2vw, 22px);
  padding: clamp(16px, 2.2vw, 24px) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .log-entry:first-child {
  padding-top: 0;
}

.page-news .log-entry__num {
  margin: 2px 0 0;
  min-width: 2.6ch;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ember);
}

.page-news .log-entry__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
}

.page-news .log-entry__when {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--ink-45);
}

.page-news .log-entry__title {
  margin: 8px 0 6px;
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.42;
  font-weight: 700;
}

.page-news .log-entry__body {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-70);
}

.page-news .log-entry__more {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
}

.page-news .log-entry__more > summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  font-weight: 600;
  color: var(--lark);
}

.page-news .log-entry__more > summary:hover {
  text-decoration: underline;
}

.page-news .log-entry__more p {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-70);
}

.page-news .log-entry__link {
  color: var(--lark);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  white-space: nowrap;
}

.page-news .log-summary {
  margin: clamp(18px, 2.6vw, 28px) 0;
  padding: 12px 16px;
  background: var(--mist);
  border-left: 4px solid var(--lark);
  font-size: 14px;
  line-height: 1.68;
  color: var(--ink);
}

.page-news .log-side__panel {
  background: var(--float);
  border: 1px solid var(--line);
  padding: 18px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--news-cut)), calc(100% - var(--news-cut)) 100%, 0 100%);
}

.page-news .log-side__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ink-45);
}

.page-news .log-side__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .log-side__link {
  display: block;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--ink);
  font-size: 14px;
  text-decoration: none;
}

.page-news .log-side__link:hover {
  color: var(--lark);
}

/* ---------- archive ---------- */
.page-news .archive-grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-news .archive-table-wrap {
  overflow-x: auto;
}

.page-news .version-table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-news .version-table caption {
  text-align: left;
}

.page-news .version-table thead th {
  background: var(--velvet);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-align: left;
  padding: 11px 12px;
}

.page-news .version-table tbody th {
  text-align: left;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--ember);
  padding: 12px;
  border-bottom: 1px solid var(--line-soft);
  white-space: nowrap;
}

.page-news .version-table tbody td {
  padding: 12px;
  border-bottom: 1px solid var(--line-soft);
  line-height: 1.6;
  vertical-align: top;
}

.page-news .version-table tbody tr:nth-child(even) {
  background: rgba(201, 214, 204, 0.26);
}

.page-news .archive-grid__art {
  margin: 0;
}

.page-news .archive-grid__art .figure__frame {
  aspect-ratio: 1100 / 500;
  overflow: hidden;
  background: var(--velvet);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.page-news .archive-grid__art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- follow ---------- */
.page-news .follow-grid {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.page-news .follow-card {
  padding: clamp(20px, 3vw, 30px);
  background: var(--velvet);
  color: var(--paper);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.page-news .follow-card--paper {
  background: var(--float);
  border: 1px solid var(--line);
  color: var(--ink);
}

.page-news .follow-card__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 23px);
  line-height: 1.3;
}

.page-news .follow-card__body {
  margin: 0 0 16px;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.72;
}

.page-news .follow-card--paper .follow-card__body {
  color: var(--ink-70);
}

.page-news .follow-card:not(.follow-card--paper) .follow-card__body {
  color: var(--paper-70);
}

.page-news .follow-card__note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-70);
}

.page-news .follow-card__note a {
  color: var(--lark);
  font-weight: 600;
}

/* ---------- responsive ---------- */
@media (min-width: 560px) {
  .page-news .log-entry__num {
    min-width: 3.2ch;
  }
}

@media (min-width: 760px) {
  .page-news .follow-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .spot-board {
    grid-template-columns: minmax(0, 1fr) 250px;
    align-items: start;
  }

  .page-news .tag-board {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
  }

  .page-news .archive-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-news .log-layout {
    grid-template-columns: minmax(0, 1fr) 250px;
    align-items: start;
  }

  .page-news .log-side {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .spot,
  .page-news .filter-btn {
    transition: none;
  }
}