.page-news {
  background: var(--c-white);
  color: var(--c-dark);
  font-family: var(--font-body);
}

.page-news__wrap {
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: 16px;
}

.page-news__breadcrumb {
  margin-top: 16px;
}

.page-news a:not(.btn) {
  color: var(--c-primary);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: rgba(201,162,39,.55);
}

/* ---------- Hero ---------- */
.page-news__hero {
  position: relative;
  padding: 48px 0 24px;
  border-bottom: 1px solid var(--c-line);
}

.page-news__hero-inner {
  display: grid;
  gap: 28px;
}

.page-news__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--c-primary);
  font-weight: 600;
}

.page-news__kicker::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--c-orange);
  flex: none;
}

.page-news__hero-title {
  margin: 16px 0 0;
  font-family: var(--font-heading);
  font-size: clamp(30px, 7vw, 56px);
  line-height: 1.15;
  letter-spacing: .02em;
  color: var(--c-dark);
  max-width: 11em;
}

.page-news__hero-lead {
  margin: 20px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--c-mid);
  max-width: 46em;
}

.page-news__hero-stats {
  margin: 32px 0 0;
  padding-top: 28px;
  border-top: 1px solid var(--c-line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

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

.page-news__stat-num {
  font-family: var(--font-heading);
  font-size: 32px;
  line-height: 1;
  color: var(--c-primary);
}

.page-news__stat-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-mid);
}

.page-news__hero-track {
  width: 100%;
  height: auto;
  display: block;
  margin-top: 40px;
}

/* ---------- Section common ---------- */
.page-news__section {
  padding: 44px 0;
  scroll-margin-top: 80px;
}

.page-news__section + .page-news__section {
  border-top: 1px solid var(--c-line);
}

.page-news__section-head {
  display: grid;
  gap: 8px;
  margin-bottom: 26px;
}

.page-news__section-index {
  font-family: var(--font-heading);
  color: var(--c-orange);
  font-size: 22px;
  line-height: 1;
  letter-spacing: .06em;
}

.page-news__section-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 28px;
  line-height: 1.3;
  color: var(--c-dark);
}

.page-news__section-lead {
  margin: 0;
  color: var(--c-mid);
  font-size: 14px;
  line-height: 1.75;
  max-width: 40em;
}

/* ---------- Latest spotlight ---------- */
.page-news__spotlight {
  display: grid;
  gap: 0;
  border: 1px solid var(--c-border);
  background: var(--c-light);
}

.page-news__spotlight-media {
  background: var(--c-primary-dark);
  line-height: 0;
}

.page-news__spotlight-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-news__spotlight-content {
  padding: 22px 20px 26px;
}

.page-news__spotlight-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.page-news__spotlight-index {
  font-family: var(--font-heading);
  color: var(--c-gold);
  font-size: 18px;
  line-height: 1;
}

.page-news__spotlight-title {
  margin: 0 0 12px;
  font-family: var(--font-heading);
  font-size: 24px;
  line-height: 1.35;
  color: var(--c-dark);
}

.page-news__spotlight-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-mid);
}

.page-news__spotlight-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin: 18px 0 0;
  padding: 16px 0;
  border-block: 1px solid var(--c-line);
}

.page-news__spotlight-stat {
  display: grid;
  gap: 2px;
}

.page-news__spotlight-stat dt {
  font-size: 12px;
  color: var(--c-mid);
}

.page-news__spotlight-stat dd {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 20px;
  line-height: 1.2;
  color: var(--c-primary);
}

.page-news__feature-link {
  margin-top: 20px;
  display: inline-flex;
  align-items: center;
}

/* ---------- Latest timeline list ---------- */
.page-news__update-list {
  position: relative;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-news__update-list::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: var(--c-line);
}

.page-news__update-item {
  position: relative;
  padding-left: 38px;
  padding-bottom: 22px;
}

.page-news__update-item:last-child {
  padding-bottom: 0;
}

.page-news__update-item::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 7px;
  width: 10px;
  height: 10px;
  border: 2px solid var(--c-primary);
  background: var(--c-white);
}

.page-news__update-num {
  position: absolute;
  left: 26px;
  top: 5px;
  font-family: var(--font-heading);
  font-size: 14px;
  color: var(--c-gold);
  line-height: 1.4;
}

.page-news__update-content h4 {
  margin: 0 0 6px;
  font-size: 16px;
  line-height: 1.5;
  color: var(--c-dark);
}

.page-news__update-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mid);
  max-width: 42em;
}

/* ---------- Topics + filter ---------- */
.page-news__topics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news__filter-input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}

.page-news__filter-btn {
  display: inline-flex;
  align-items: center;
  padding: 9px 18px;
  border: 1px solid var(--c-line);
  color: var(--c-mid);
  font-size: 13px;
  letter-spacing: .05em;
  cursor: pointer;
  user-select: none;
  background: var(--c-white);
  transition: background var(--speed) var(--ease), color var(--speed) var(--ease), border-color var(--speed) var(--ease);
}

.page-news__filter-btn:hover {
  border-color: var(--c-primary);
  color: var(--c-primary);
}

.page-news__filter-input:checked + .page-news__filter-btn {
  background: var(--c-primary);
  border-color: var(--c-primary);
  color: var(--c-white);
}

.page-news__filter-input:focus-visible + .page-news__filter-btn {
  outline: 2px solid var(--c-orange);
  outline-offset: 2px;
}

.page-news .page-news__filter-input[value="guide"]:checked ~ .page-news__topic-grid .page-news__topic-card:not(.page-news__topic-card--guide),
.page-news .page-news__filter-input[value="match"]:checked ~ .page-news__topic-grid .page-news__topic-card:not(.page-news__topic-card--match),
.page-news .page-news__filter-input[value="sync"]:checked ~ .page-news__topic-grid .page-news__topic-card:not(.page-news__topic-card--sync),
.page-news .page-news__filter-input[value="notice"]:checked ~ .page-news__topic-grid .page-news__topic-card:not(.page-news__topic-card--notice) {
  display: none;
}

/* ---------- Topic cards ---------- */
.page-news__topic-grid {
  flex: 0 0 100%;
  display: grid;
  gap: 20px;
  margin-top: 8px;
}

.page-news__topic-card {
  border: 1px solid var(--c-border);
  background: var(--c-white);
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--speed) var(--ease), transform var(--speed) var(--ease);
}

.page-news__topic-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.page-news__topic-media {
  background: var(--c-light);
  line-height: 0;
  overflow: hidden;
}

.page-news__topic-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-news__topic-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  flex: 1;
}

.page-news__topic-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 18px;
  line-height: 1.45;
  color: var(--c-dark);
}

.page-news__topic-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mid);
}

.page-news__topic-more {
  width: 100%;
}

.page-news__topic-more summary {
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-orange);
}

.page-news__topic-more summary::-webkit-details-marker {
  display: none;
}

.page-news__topic-more summary::before {
  content: "＋";
  font-size: 15px;
  line-height: 1;
}

.page-news__topic-more[open] summary::before {
  content: "－";
}

.page-news__topic-detail {
  margin: 10px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--c-line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-mid);
}

.page-news__topic-link {
  margin-top: auto;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-primary);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-news__feed-help {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mid);
}

/* ---------- Archive ---------- */
.page-news__archive {
  display: grid;
  gap: 24px;
}

.page-news__archive-media {
  background: var(--c-light);
  border: 1px solid var(--c-border);
  line-height: 0;
}

.page-news__archive-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-news__archive-list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--c-line);
}

.page-news__archive-item {
  position: relative;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px 0 18px 20px;
  border-bottom: 1px solid var(--c-line);
}

.page-news__archive-item::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 23px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--c-gold);
  background: var(--c-white);
}

.page-news__archive-index {
  font-family: var(--font-heading);
  font-size: 15px;
  line-height: 1.5;
  color: var(--c-gold);
  min-width: 36px;
}

.page-news__archive-body {
  display: grid;
  gap: 6px;
}

.page-news__archive-title {
  margin: 0;
  font-size: 16px;
  line-height: 1.5;
  color: var(--c-dark);
}

.page-news__archive-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mid);
  max-width: 46em;
}

.page-news__archive-more {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mid);
}

/* ---------- Subscribe ---------- */
.page-news__subscribe-card {
  border: 2px dashed var(--c-line);
  padding: 24px;
  display: grid;
  gap: 20px;
  background: linear-gradient(135deg, rgba(26,77,46,.04), rgba(26,77,46,0) 60%);
}

.page-news__subscribe-image {
  width: 100%;
  height: auto;
  max-width: 240px;
  object-fit: cover;
  border: 1px solid var(--c-border);
}

.page-news__subscribe-content {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-news__subscribe-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 20px;
  line-height: 1.4;
  color: var(--c-dark);
}

.page-news__subscribe-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-mid);
  max-width: 56em;
}

.page-news__subscribe-box {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  padding: 8px;
  max-width: 460px;
}

.page-news__subscribe-field {
  flex: 1;
  min-width: 180px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  color: var(--c-mid);
  font-size: 14px;
  letter-spacing: .03em;
}

.page-news__subscribe-btn {
  align-self: stretch;
  cursor: default;
}

.page-news__subscribe-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-mid);
  max-width: 58em;
}

.page-news__subscribe-email {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--c-primary);
  word-break: break-all;
}

/* ---------- Responsive ---------- */
@media (min-width: 768px) {
  .page-news__wrap {
    padding-inline: 32px;
  }

  .page-news__hero-inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(240px, 0.5fr);
    gap: 48px;
    align-items: start;
  }

  .page-news__hero-stats {
    margin-top: 0;
    padding-top: 4px;
    border-top: 0;
    border-left: 1px solid var(--c-line);
    padding-left: 24px;
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-news__hero-title {
    font-size: clamp(36px, 4.4vw, 58px);
  }

  .page-news__section {
    padding: 64px 0;
  }

  .page-news__spotlight {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 0;
  }

  .page-news__spotlight-content {
    padding: 28px 30px 30px;
  }

  .page-news__topic-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-news__archive {
    grid-template-columns: minmax(240px, 320px) minmax(0, 1fr);
    align-items: start;
  }

  .page-news__subscribe-card {
    grid-template-columns: 220px minmax(0, 1fr);
    align-items: start;
    padding: 30px;
  }
}

@media (min-width: 1024px) {
  .page-news__wrap {
    padding-inline: 40px;
  }

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

  .page-news__section-head {
    grid-template-columns: 72px minmax(0, 1fr);
    column-gap: 16px;
    align-items: baseline;
  }

  .page-news__section-index {
    grid-row: 1 / span 2;
  }
}