.page-news {
  background-color: var(--color-ice-50);
  color: var(--color-ink-900);
  font-family: var(--font-body);
  font-weight: var(--font-weight-body);
  line-height: var(--line-height);
  letter-spacing: var(--letter-spacing);
}

.page-news img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .insight-header {
  padding-block: var(--space-6) var(--space-8);
}

.page-news .insight-header__kicker {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-sun-500);
  margin-bottom: var(--space-2);
}

.page-news .insight-header__title {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-heading);
  font-size: var(--fs-h1);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--color-ink-900);
  margin-bottom: var(--space-4);
}

.page-news .insight-header__lead {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--color-ink-600);
  max-width: 42em;
  margin-bottom: var(--space-4);
}

.page-news .insight-header__stat {
  display: inline-block;
  font-size: 0.9375rem;
  color: var(--color-ink-600);
  border-left: 4px solid var(--color-sun-500);
  padding-left: var(--space-4);
  background: var(--color-sun-100);
  padding-block: var(--space-2);
  padding-right: var(--space-4);
}

.page-news .insight-header__stat strong {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-heading);
  color: var(--color-ink-900);
}

.page-news .insight-cover {
  position: relative;
  overflow: hidden;
  background-color: var(--color-ice-200);
  border-top: 4px solid var(--color-sun-500);
  border-bottom: var(--border-width) solid var(--color-line-300);
  margin-bottom: var(--space-8);
}

.page-news .insight-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-line-300) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-line-300) 1px, transparent 1px);
  background-size: 2rem 2rem;
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}

.page-news .insight-cover__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-6);
  padding-block: var(--space-6);
}

.page-news .insight-cover__media img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--border-width) solid var(--color-line-300);
}

.page-news .insight-cover__label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-sun-500);
  margin-bottom: var(--space-2);
}

.page-news .insight-cover__title {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-heading);
  font-size: var(--fs-h3);
  line-height: 1.25;
  color: var(--color-ink-900);
  margin: var(--space-2) 0 var(--space-3);
}

.page-news .insight-cover__desc {
  color: var(--color-ink-600);
  margin-bottom: var(--space-4);
}

.page-news .insight-cover__meta {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-ink-900);
  border-left: 4px solid var(--color-sun-500);
  padding-left: var(--space-3);
  margin-bottom: var(--space-4);
}

.page-news .insight-cover__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.page-news .insight-layout {
  display: grid;
  gap: var(--space-6);
  padding-block: var(--space-4) var(--space-8);
}

.page-news .gutter-index {
  background: var(--color-white);
  border: var(--border-width) solid var(--color-line-300);
  padding: var(--space-5);
  align-self: start;
}

.page-news .gutter-index__label {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-heading);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-glacier-600);
  margin-bottom: var(--space-3);
}

.page-news .gutter-index__nav {
  border-top: var(--border-width) solid var(--color-line-300);
  padding-top: var(--space-2);
}

.page-news .gutter-index__link {
  display: block;
  padding: var(--space-2) var(--space-3);
  color: var(--color-ink-600);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease, padding-left 0.15s ease;
}

.page-news .gutter-index__link:hover,
.page-news .gutter-index__link:focus-visible {
  color: var(--color-glacier-600);
  border-left-color: var(--color-sun-500);
  padding-left: var(--space-4);
}

.page-news .gutter-index__link:focus-visible {
  outline: 2px solid var(--color-sun-500);
  outline-offset: 2px;
}

.page-news .gutter-index__note {
  font-size: 0.8125rem;
  color: var(--color-ink-600);
  margin-top: var(--space-5);
  border-top: var(--border-width) solid var(--color-line-300);
  padding-top: var(--space-3);
}

.page-news .section-block {
  margin-bottom: var(--space-8);
}

.page-news .section-block__header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  border-top: 2px solid var(--color-ink-900);
  padding-top: var(--space-4);
  margin-bottom: var(--space-5);
}

.page-news .section-block__index {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-body);
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1;
  color: var(--color-sun-500);
  min-width: 3ch;
}

.page-news .section-block__title {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-heading);
  font-size: var(--fs-h3);
  line-height: 1.25;
  color: var(--color-ink-900);
  margin-bottom: var(--space-2);
}

.page-news .section-block__desc {
  font-size: 0.875rem;
  color: var(--color-ink-600);
}

.page-news .version-list {
  display: grid;
  gap: var(--space-4);
}

.page-news .version-row {
  position: relative;
  padding: var(--space-5) var(--space-5) var(--space-5) var(--space-6);
  border: var(--border-width) solid var(--color-line-300);
  background: var(--color-white);
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.page-news .version-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--color-glacier-600);
}

.page-news .version-row--lead::before {
  background: var(--color-sun-500);
}

.page-news .version-row:hover {
  border-color: var(--color-glacier-600);
  transform: translateY(-2px);
  box-shadow: 4px 4px 0 0 var(--color-ice-200);
}

.page-news .version-row__period {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: var(--font-weight-heading);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-glacier-600);
  margin-right: var(--space-2);
}

.page-news .version-row h3 {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-heading);
  font-size: 1.25rem;
  margin: var(--space-2) 0 var(--space-2);
  color: var(--color-ink-900);
}

.page-news .version-row p {
  color: var(--color-ink-600);
  margin-bottom: var(--space-2);
}

.page-news .version-row ul {
  margin: var(--space-2) 0 0;
  padding-left: var(--space-4);
  color: var(--color-ink-600);
  font-size: 0.875rem;
}

.page-news .stat-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  background: var(--color-glacier-900);
  color: var(--color-white);
  border: var(--border-width) solid var(--color-line-300);
  margin-bottom: var(--space-8);
}

.page-news .stat-strip__item {
  padding: var(--space-5);
  border-right: 1px solid rgba(255, 255, 255, 0.25);
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
}

.page-news .stat-strip__item:nth-child(2n) {
  border-right: 0;
}

.page-news .stat-strip__item:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.page-news .stat-strip__num {
  display: block;
  font-family: var(--font-heading);
  font-weight: var(--font-weight-heading);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1;
  color: var(--color-sun-100);
}

.page-news .stat-strip__label {
  display: block;
  margin-top: var(--space-2);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.8);
}

.page-news .resource-media,
.page-news .tips-media {
  margin-block: var(--space-5);
}

.page-news .resource-media img,
.page-news .tips-media img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--border-width) solid var(--color-line-300);
}

.page-news .resource-updates__intro {
  font-size: 1.0625rem;
  color: var(--color-ink-600);
  border-left: 4px solid var(--color-glacier-600);
  padding-left: var(--space-4);
  margin-bottom: var(--space-5);
}

.page-news .category-grid {
  display: grid;
  gap: var(--space-4);
}

.page-news .category-item {
  background: var(--color-white);
  border: var(--border-width) solid var(--color-line-300);
  border-top: 4px solid var(--color-glacier-600);
  padding: var(--space-5);
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.page-news .category-item--new {
  border-top-color: var(--color-sun-500);
}

.page-news .category-item:hover {
  border-color: var(--color-glacier-600);
  transform: translateY(-2px);
}

.page-news .category-item h3 {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-heading);
  font-size: 1.125rem;
  color: var(--color-ink-900);
  margin: var(--space-3) 0 var(--space-2);
}

.page-news .category-item p {
  font-size: 0.875rem;
  color: var(--color-ink-600);
  margin: 0;
}

.page-news .tip-list {
  display: grid;
  gap: var(--space-3);
}

.page-news .tip-item {
  border: var(--border-width) solid var(--color-line-300);
  border-left: 4px solid var(--color-glacier-600);
  background: var(--color-white);
}

.page-news .tip-item summary {
  padding: var(--space-5);
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: var(--font-weight-heading);
  color: var(--color-ink-900);
  list-style: none;
}

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

.page-news .tip-item summary::after {
  content: "＋";
  float: right;
  color: var(--color-sun-500);
  font-weight: var(--font-weight-body);
}

.page-news .tip-item[open] summary::after {
  content: "－";
}

.page-news .tip-item p {
  margin: 0;
  padding: 0 var(--space-5) var(--space-5);
  color: var(--color-ink-600);
  font-size: 0.9375rem;
}

.page-news .archive-wrap {
  display: grid;
  gap: var(--space-6);
  background: var(--color-ice-200);
  border: var(--border-width) solid var(--color-line-300);
  padding: var(--space-5);
}

.page-news .archive-media img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--border-width) solid var(--color-line-300);
}

.page-news .archive-list__intro {
  color: var(--color-ink-600);
  margin-bottom: var(--space-4);
}

.page-news .archive-list ul {
  list-style: none;
  margin: var(--space-4) 0 var(--space-5);
  padding: 0;
  border-top: 2px solid var(--color-ink-900);
}

.page-news .archive-list li {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: var(--border-width) solid var(--color-line-300);
  color: var(--color-ink-600);
}

.page-news .archive-list li span {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-heading);
  color: var(--color-glacier-600);
  flex: 0 0 auto;
  min-width: 4.5em;
}

.page-news .archive-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.page-news .insight-more {
  border-top: 2px solid var(--color-ink-900);
  background: var(--color-sun-100);
  padding-block: var(--space-6) var(--space-8);
}

.page-news .insight-more__title {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-heading);
  font-size: var(--fs-h3);
  color: var(--color-ink-900);
  margin-bottom: var(--space-5);
}

.page-news .insight-more__grid {
  display: grid;
  gap: var(--space-4);
}

.page-news .insight-more__card {
  display: block;
  background: var(--color-white);
  border: var(--border-width) solid var(--color-line-300);
  border-left: 4px solid var(--color-sun-500);
  padding: var(--space-5);
  text-decoration: none;
  color: var(--color-ink-900);
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.page-news .insight-more__card:hover {
  transform: translateY(-2px);
  border-color: var(--color-glacier-600);
}

.page-news .insight-more__card span {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-glacier-600);
}

.page-news .insight-more__card strong {
  display: block;
  font-family: var(--font-heading);
  font-weight: var(--font-weight-heading);
  font-size: 1.25rem;
  margin-block: var(--space-2);
}

.page-news .insight-more__card small {
  color: var(--color-ink-600);
  line-height: 1.6;
}

@media (min-width: 56rem) {
  .page-news .insight-cover__grid {
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
    gap: var(--space-8);
  }

  .page-news .insight-layout {
    grid-template-columns: minmax(12rem, 16rem) 1fr;
    gap: var(--space-8);
  }

  .page-news .gutter-index {
    position: sticky;
    top: 1.5rem;
  }

  .page-news .category-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-news .stat-strip {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-news .stat-strip__item,
  .page-news .stat-strip__item:nth-child(2n) {
    border-right: 1px solid rgba(255, 255, 255, 0.25);
    border-bottom: 0;
  }

  .page-news .stat-strip__item:last-child {
    border-right: 0;
  }

  .page-news .archive-wrap {
    grid-template-columns: 0.8fr 1.2fr;
    align-items: center;
  }

  .page-news .insight-more__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}