/* ============================================================
   DIFO — news.css  ニュース一覧ページ専用スタイル
   共通スタイルは common.css を参照（page-hero を含む）
   ============================================================ */

/* ============================================================
   CONTROLS（検索・フィルター）
   ============================================================ */
.news-list {
  background: var(--neutral-light);
}

.news-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 40px;
}

/* Search */
.news-search-wrap {
  position: relative;
  flex: 1;
  min-width: 180px;
  max-width: 360px;
}

.news-search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--neutral-medium);
  pointer-events: none;
}

.news-search-input {
  width: 100%;
  padding: 10px 14px 10px 38px;
  border: 1.5px solid var(--primary-light);
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--neutral-dark);
  background: var(--white);
  outline: none;
  transition: border-color 0.2s;
}

.news-search-input:focus {
  border-color: var(--primary-color);
}

.news-search-input::placeholder {
  color: var(--neutral-medium);
}

/* Filter buttons */
.news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.news-filter__btn {
  padding: 7px 18px;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  border: 1.5px solid var(--primary-light);
  background: var(--white);
  color: var(--neutral-medium);
  cursor: pointer;
  transition: all 0.2s;
}

.news-filter__btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  background: var(--primary-pale);
}

.news-filter__btn.active {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--white);
}

/* ============================================================
   NEWS GRID
   ============================================================ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 48px;
  min-height: 200px;
}

/* Card */
.news-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: cardIn 0.35s var(--ease) both;
}

@keyframes cardIn {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

.news-card:hover {
  box-shadow: var(--shadow-md);
}

.news-card:hover .news-card__image img {
  transform: scale(1.05);
}

.news-card:hover .news-card__title {
  color: var(--primary-color);
}

.news-card__link {
  display: flex;
  flex-direction: column;
  flex: 1;
  color: inherit;
}

.news-card__image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--primary-bg);
  flex-shrink: 0;
}

.news-card__image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.4s var(--ease);
}

.news-card__body {
  padding: 20px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

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

.news-card__date {
  font-family: var(--font-display);
  font-size: 0.78rem;
  color: var(--neutral-medium);
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.news-card__tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-display);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.news-card__tag--event {
  background: rgba(47, 122, 182, 0.1);
  color: var(--primary-color);
}

.news-card__tag--product {
  background: rgba(37, 109, 133, 0.1);
  color: var(--secondary-color);
}

.news-card__tag--update {
  background: var(--neutral-light);
  color: var(--neutral-medium);
}

.news-card__title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--neutral-dark);
  line-height: 1.4;
  margin-bottom: 10px;
  transition: color 0.2s;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card__excerpt {
  font-size: 0.83rem;
  color: var(--neutral-medium);
  line-height: 1.7;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card__more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 14px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--primary-color);
  transition: gap 0.2s;
}

.news-card__more svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.news-card:hover .news-card__more {
  gap: 8px;
}

/* No results */
.news-no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 72px 0;
  color: var(--neutral-medium);
  font-size: 0.95rem;
}

/* ============================================================
   PAGINATION
   ============================================================ */
.news-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.news-pagination__btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  border: 1.5px solid var(--primary-light);
  background: var(--white);
  color: var(--primary-color);
  cursor: pointer;
  transition: all 0.2s;
}

.news-pagination__btn svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.news-pagination__btn:hover:not(:disabled) {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--white);
}

.news-pagination__btn:disabled {
  opacity: 0.38;
  cursor: default;
}

.news-pagination__info {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--neutral-medium);
  min-width: 60px;
  text-align: center;
}

/* ============================================================
   NEWS DETAIL
   ============================================================ */
.news-detail {
  background: var(--neutral-light);
}

.news-detail__wrap {
  max-width: 820px;
  margin: 0 auto;
}

/* Article card */
.news-article {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  margin-bottom: 36px;
}

.news-article__image {
  width: 100%;
  aspect-ratio: 16 / 6;
  overflow: hidden;
  background: var(--primary-bg);
}

.news-article__image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.news-article__header {
  padding: 40px 48px 24px;
  border-bottom: 1px solid rgba(47, 122, 182, 0.08);
}

.news-article__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.news-article__date {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--neutral-medium);
  letter-spacing: 0.04em;
}

.news-article__tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-display);
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.04em;
}

.news-article__tag--event {
  background: rgba(47, 122, 182, 0.1);
  color: var(--primary-color);
}

.news-article__tag--product {
  background: rgba(37, 109, 133, 0.1);
  color: var(--secondary-color);
}

.news-article__tag--update {
  background: var(--neutral-light);
  color: var(--neutral-medium);
}

.news-article__title {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  font-weight: 700;
  color: var(--neutral-dark);
  line-height: 1.35;
}

/* Article body typography */
.news-article__body {
  padding: 36px 48px 48px;
  font-size: 0.93rem;
  color: var(--neutral-dark);
  line-height: 1.9;
}

.news-article__body h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary-color);
  margin: 28px 0 14px;
  padding-left: 12px;
  border-left: 3px solid var(--accent-color);
}

.news-article__body h3:first-child {
  margin-top: 0;
}

.news-article__body p {
  margin-bottom: 16px;
  color: var(--neutral-dark);
}

.news-article__body p:last-child {
  margin-bottom: 0;
}

.news-article__body ul,
.news-article__body ol {
  margin: 12px 0 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.news-article__body ul {
  list-style: disc;
}

.news-article__body ol {
  list-style: decimal;
}

.news-article__body li {
  line-height: 1.75;
}

.news-article__body li ul {
  margin: 6px 0 6px 16px;
  list-style: circle;
}

.news-article__body a {
  color: var(--primary-color);
  text-decoration: underline;
  text-decoration-color: rgba(47, 122, 182, 0.35);
  transition: color 0.2s;
}

.news-article__body a:hover {
  color: var(--primary-hover);
}

.news-article__body strong {
  font-weight: 700;
  color: var(--neutral-dark);
}

.news-article__body img {
  border-radius: var(--radius-sm);
  max-width: 100%;
}

.news-article__body div {
  margin-bottom: 8px;
}

/* Prev / Next navigation */
.news-detail__nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
}

.news-detail__nav-btn {
  background: var(--white);
  border: 1px solid rgba(47, 122, 182, 0.15);
  border-radius: var(--radius);
  padding: 16px 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: box-shadow 0.2s, border-color 0.2s;
  color: inherit;
}

.news-detail__nav-btn:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.news-detail__nav-btn--next {
  text-align: right;
}

.news-detail__nav-btn--empty {
  opacity: 0;
  pointer-events: none;
}

.news-detail__nav-label {
  font-size: 0.7rem;
  color: var(--primary-color);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.news-detail__nav-title {
  font-size: 0.85rem;
  color: var(--neutral-dark);
  font-weight: 600;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-detail__back {
  text-align: center;
}

/* Not found */
.news-not-found {
  text-align: center;
  padding: 80px 24px;
}

.news-not-found h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--neutral-dark);
  margin-bottom: 12px;
}

.news-not-found p {
  color: var(--neutral-medium);
  margin-bottom: 28px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .news-controls {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
    margin-bottom: 28px;
  }

  .news-search-wrap {
    max-width: 100%;
  }

  .news-filter {
    overflow-x: auto;
    flex-wrap: nowrap;
    margin: 0 calc(-1 * var(--container-px));
    padding: 4px var(--container-px);
    scrollbar-width: none;
  }

  .news-filter::-webkit-scrollbar {
    display: none;
  }

  .news-filter__btn {
    flex-shrink: 0;
  }
}

@media (max-width: 560px) {
  .news-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

@media (max-width: 768px) {

  .news-article__header,
  .news-article__body {
    padding-left: 24px;
    padding-right: 24px;
  }

  .news-detail__nav {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .news-detail__nav-btn--next {
    text-align: left;
  }

  .news-detail__nav-btn--empty {
    display: none;
  }

  .news-pagination {
    gap: 12px;
  }

  .news-pagination__btn {
    padding: 9px 16px;
    font-size: 0.82rem;
  }
}

@media (max-width: 480px) {
  .news-article__header {
    padding: 24px 20px 18px;
  }

  .news-article__body {
    padding: 24px 20px 32px;
    font-size: 0.9rem;
  }

  .news-article__image {
    aspect-ratio: 16 / 9;
  }

  .news-card__body {
    padding: 16px 18px 20px;
  }
}