.page-news {
  --news-sidebar: 264px;
  --news-gap: 48px;
  background-color: var(--color-cream);
  color: var(--color-primary);
  font-family: var(--font-sans);
}

.page-news .news-container {
  width: min(100% - 40px, var(--container-width));
  margin-left: auto;
  margin-right: auto;
}

.page-news .news-masthead {
  position: relative;
  overflow: hidden;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 48px 0 56px;
}

.page-news .news-masthead::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -14%;
  width: 46%;
  height: 180%;
  background: linear-gradient(135deg, rgba(252, 163, 17, 0.2), rgba(27, 38, 59, 0.4));
  transform: skewX(-14deg);
  pointer-events: none;
}

.page-news .news-masthead::after {
  content: '日志';
  position: absolute;
  right: -0.04em;
  bottom: -0.14em;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(90px, 18vw, 210px);
  line-height: 1;
  color: rgba(255, 255, 255, 0.04);
  letter-spacing: -0.04em;
  pointer-events: none;
  user-select: none;
}

.page-news .news-masthead .breadcrumb {
  position: relative;
  z-index: 2;
  margin-bottom: 32px;
}

.page-news .news-masthead .breadcrumb a {
  color: var(--color-silver);
  text-decoration: none;
  transition: color var(--transition);
}

.page-news .news-masthead .breadcrumb a:hover,
.page-news .news-masthead .breadcrumb a:focus {
  color: var(--color-accent);
}

.page-news .news-masthead__eyebrow {
  position: relative;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  margin-bottom: 10px;
}

.page-news .news-masthead h1 {
  position: relative;
  z-index: 2;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(28px, 4.6vw, 52px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
  margin: 0 0 16px;
  max-width: 12em;
}

.page-news .news-masthead__lead {
  position: relative;
  z-index: 2;
  font-size: 15px;
  line-height: 1.85;
  color: var(--color-silver);
  max-width: 38em;
  margin-bottom: 28px;
}

.page-news .news-masthead__stats {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .news-masthead__stat {
  background: linear-gradient(135deg, rgba(252, 163, 17, 0.14), transparent);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-left: 3px solid var(--color-accent);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  padding: 12px 16px;
  min-width: 100px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-news .news-masthead__stat-num {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 24px;
  line-height: 1;
  color: var(--color-accent);
}

.page-news .news-masthead__stat-label {
  font-size: 12px;
  color: var(--color-silver);
}

.page-news .news-layout {
  padding: 48px 0 72px;
}

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

.page-news .news-catalog {
  position: relative;
  z-index: 3;
  margin-bottom: 40px;
}

@media (min-width: 1024px) {
  .page-news .news-catalog {
    margin-bottom: 0;
  }
}

.page-news .news-catalog__inner {
  position: relative;
  overflow: hidden;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}

.page-news .news-catalog__inner::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, transparent 50%, rgba(252, 163, 17, 0.5) 50%);
}

@media (min-width: 1024px) {
  .page-news .news-catalog__inner {
    position: sticky;
    top: 20px;
  }
}

.page-news .news-catalog__header {
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.page-news .news-catalog__index {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--color-gold);
  margin-bottom: 6px;
}

.page-news .news-catalog__header h2 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 20px;
  margin: 0;
}

.page-news .news-catalog__nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-news .news-catalog__nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--color-silver);
  text-decoration: none;
  padding: 11px 12px;
  border-left: 2px solid transparent;
  font-size: 15px;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.page-news .news-catalog__nav a::after {
  content: '→';
  font-family: var(--font-mono);
  color: var(--color-gold);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity var(--transition), transform var(--transition);
}

.page-news .news-catalog__nav a:hover::after,
.page-news .news-catalog__nav a:focus::after {
  opacity: 1;
  transform: translateX(0);
}

.page-news .news-catalog__nav a:hover,
.page-news .news-catalog__nav a:focus {
  color: var(--color-accent);
  border-left-color: var(--color-accent);
  background: rgba(252, 163, 17, 0.07);
}

.page-news .news-catalog__foot {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-silver);
}

.page-news .news-catalog__foot .button--ghost {
  margin-top: 14px;
  font-size: 13px;
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.page-news .news-catalog__foot .button--ghost:hover {
  background: var(--color-accent);
  color: var(--color-primary);
}

.page-news .news-feed {
  display: flex;
  flex-direction: column;
  gap: 56px;
  min-width: 0;
}

.page-news .news-section {
  position: relative;
  scroll-margin-top: 24px;
}

.page-news .news-section:target::before {
  content: '';
  position: absolute;
  left: -8px;
  top: 8px;
  bottom: 8px;
  width: 4px;
  background: var(--color-accent);
  border-radius: 4px;
}

.page-news .news-section__header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  padding-bottom: 14px;
  margin-bottom: 24px;
  border-bottom: 2px solid var(--color-gold);
}

.page-news .news-section__number {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-gold);
}

.page-news .news-section__header h2 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 26px;
  line-height: 1.2;
  margin: 0;
}

.page-news .news-section__extra {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--color-silver);
  background: var(--color-silver-light);
  padding: 3px 10px;
  border-radius: 999px;
}

.page-news .news-post-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

@media (min-width: 640px) {
  .page-news .news-post-list {
    position: relative;
    padding-left: 28px;
  }

  .page-news .news-post-list::before {
    content: '';
    position: absolute;
    left: 5px;
    top: 14px;
    bottom: 14px;
    width: 2px;
    background: linear-gradient(180deg, var(--color-gold) 0%, var(--color-accent) 70%, transparent 100%);
  }
}

.page-news .news-post__card {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-silver-light);
  border-radius: var(--radius);
  padding: 20px;
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}

.page-news .news-post__card::after {
  content: '';
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 24px;
  height: 24px;
  background: var(--color-cream);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  opacity: 0.65;
  pointer-events: none;
}

@media (min-width: 640px) {
  .page-news .news-post__card::before {
    content: '';
    position: absolute;
    left: -29px;
    top: 26px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-cream);
    border: 3px solid var(--color-accent);
    box-sizing: border-box;
  }
}

.page-news .news-post__card:hover {
  box-shadow: var(--shadow);
  border-color: var(--color-gold);
  transform: translateY(-2px);
}

.page-news .news-post__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 10px;
}

.page-news .news-post__tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  line-height: 1;
  padding: 5px 10px 5px 14px;
  color: var(--color-primary);
  background: var(--color-accent);
  clip-path: polygon(0 0, 100% 0, calc(100% - 7px) 100%, 0 100%);
}

.page-news .news-post__tag--guide {
  background: var(--color-silver);
}

.page-news .news-post__tag--notice {
  background: var(--color-gold);
  color: var(--color-white);
}

.page-news .news-post__tag--industry {
  background: var(--color-info);
  color: var(--color-white);
}

.page-news .news-post__time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-silver);
}

.page-news .news-post__card h3 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 17px;
  line-height: 1.45;
  margin: 0 0 8px;
}

.page-news .news-post__summary {
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-primary);
  opacity: 0.88;
  margin: 0;
  transition: color var(--transition), opacity var(--transition);
}

.page-news .news-post__card:hover .news-post__summary {
  color: var(--color-primary);
  opacity: 1;
}

.page-news .news-post__media {
  margin-top: 16px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-silver-light);
}

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

.page-news .series-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 600px) {
  .page-news .series-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-news .series-card {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-silver-light);
  border-top: 4px solid var(--color-gold);
  padding: 24px 20px 20px;
  border-radius: var(--radius);
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}

.page-news .series-card::after {
  content: '';
  position: absolute;
  right: -1px;
  top: -1px;
  width: 18px;
  height: 18px;
  background: var(--color-silver-light);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
  transition: background var(--transition);
}

.page-news .series-card:hover {
  box-shadow: var(--shadow);
  border-top-color: var(--color-accent);
  transform: translateY(-2px);
}

.page-news .series-card:hover::after {
  background: var(--color-accent);
}

@media (min-width: 600px) {
  .page-news .series-card--wide {
    grid-column: 1 / -1;
  }
}

.page-news .series-card__icon {
  width: 64px;
  height: 64px;
  margin-bottom: 14px;
}

.page-news .series-card__icon img {
  width: 64px;
  height: 64px;
  display: block;
  object-fit: contain;
  max-width: 100%;
}

.page-news .series-card__seq {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--color-gold);
  margin-bottom: 6px;
}

.page-news .series-card h3 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 17px;
  margin: 0 0 8px;
}

.page-news .series-card h3 a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}

.page-news .series-card h3 a:hover,
.page-news .series-card h3 a:focus {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.page-news .series-card p {
  font-size: 13.5px;
  line-height: 1.7;
  margin: 0;
  color: var(--color-primary);
  opacity: 0.85;
}

.page-news .announce-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-news .announce-item {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-silver-light);
  border-left: 4px solid var(--color-danger);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 18px 20px;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.page-news .announce-item:hover {
  box-shadow: var(--shadow);
  border-left-color: var(--color-gold);
}

.page-news .announce-item__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-danger);
  margin-bottom: 6px;
}

.page-news .announce-item h3 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 16px;
  margin: 0 0 6px;
}

.page-news .announce-item p {
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
  color: var(--color-primary);
  opacity: 0.88;
}

.page-news .announce-trend {
  margin-top: 18px;
  background: var(--color-primary);
  border-radius: var(--radius);
  padding: 12px 12px 16px;
}

.page-news .announce-trend img {
  display: block;
  max-width: 100%;
  width: 100%;
  height: auto;
  border-radius: 4px;
}

.page-news .announce-trend p {
  color: var(--color-silver);
  font-size: 13px;
  line-height: 1.7;
  margin: 12px 0 0;
  padding: 0 6px;
}

.page-news .download-note {
  font-size: 14px;
  line-height: 1.75;
  background: var(--color-silver-light);
  border-left: 3px solid var(--color-info);
  padding: 12px 16px;
  margin-bottom: 16px;
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--color-primary);
}

.page-news .download-note a {
  color: var(--color-info);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid var(--color-info);
  transition: color var(--transition), border-color var(--transition);
}

.page-news .download-note a:hover,
.page-news .download-note a:focus {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.page-news .download-log {
  background: var(--color-white);
  border: 1px solid var(--color-silver-light);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(13, 27, 42, 0.06);
}

.page-news .download-log__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-silver-light);
}

.page-news .download-log__row:last-child {
  border-bottom: none;
}

@media (min-width: 640px) {
  .page-news .download-log__row {
    grid-template-columns: 86px minmax(160px, 1fr) minmax(200px, 1.4fr) auto;
    gap: 14px;
    align-items: center;
    padding: 14px 18px;
  }
}

.page-news .download-log__row--head {
  display: none;
  background: var(--color-primary);
  color: var(--color-silver);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@media (min-width: 640px) {
  .page-news .download-log__row--head {
    display: grid;
  }
}

.page-news .download-log__week {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-gold);
}

.page-news .download-log__name {
  font-weight: 700;
  font-size: 14px;
  color: var(--color-primary);
}

.page-news .download-log__note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-primary);
  opacity: 0.72;
}

.page-news .dl-status {
  display: inline-block;
  width: fit-content;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 999px;
  justify-self: start;
}

.page-news .dl-status--stable {
  background: rgba(69, 123, 157, 0.14);
  color: var(--color-info);
}

.page-news .dl-status--done {
  background: rgba(184, 134, 11, 0.13);
  color: var(--color-gold);
}

.page-news .news-footnote {
  position: relative;
}

.page-news .news-footnote img {
  display: block;
  max-width: 100%;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.page-news .news-footnote p {
  position: relative;
  background: var(--color-primary);
  color: var(--color-silver);
  font-size: 15px;
  line-height: 1.8;
  padding: 18px 22px;
  margin: 0;
  border-radius: 0 0 var(--radius) var(--radius);
  border-left: 4px solid var(--color-accent);
}

@media (max-width: 480px) {
  .page-news .news-masthead {
    padding: 36px 0 44px;
  }

  .page-news .news-masthead__stat {
    min-width: 0;
    flex: 1 1 40%;
  }

  .page-news .news-post__card {
    padding: 16px;
  }

  .page-news .series-card {
    padding: 20px 16px 16px;
  }

  .page-news .announce-item {
    padding: 16px;
  }
}