/* ========================================
   aboutページ専用スタイル
   index.css, base.css, components.css の後に読み込むこと
   ======================================== */

/* ========================================
   作者セクション
   ======================================== */
.author-section {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  text-align: left;
}

.author-header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
}

.author-header h2 {
  font-size: 1.9em;
  color: var(--color-text);
  font-weight: 600;
  letter-spacing: 0.5px;
  margin: 0;
  text-shadow: none;
  order: 1;
}

.author-name {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text);
  opacity: 0.8;
  letter-spacing: 0.3px;
  order: 2;
}

.x-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  text-decoration: none;
  transition: all 0.3s;
  background-color: var(--color-primary);
  border-radius: 50%;
  width: 28px;
  height: 28px;
  padding: 4px;
}

.x-link:hover {
  color: #1da1f2;
  background-color: var(--color-primary-hover);
}

.x-link svg {
  width: 20px;
  height: 20px;
}

.author-description {
  font-size: 0.95em;
  opacity: 0.8;
  letter-spacing: 0.3px;
  color: var(--color-muted);
  margin-top: 0;
  margin-bottom: 0;
}

/* ========================================
   横並びリンクカードセクション（Loredit / らくぺた）
   2列グリッド用に縦型カードでデザイン
   ======================================== */
.horizontal-link-card-section {
  margin-top: var(--spacing-lg);
  margin-bottom: calc(var(--spacing-xl) + var(--spacing-lg));
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  align-items: stretch;
}

.horizontal-link-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border: var(--border-width) solid var(--color-border);
  border-radius: 8px;
  color: inherit;
  text-decoration: none;
  transition: all var(--transition-normal) ease;
  overflow: hidden;
  min-height: 0;
  background-clip: unset;
  -webkit-background-clip: unset;
}

.horizontal-link-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* カード上段：タイトルエリア */
.horizontal-link-card-header {
  background: var(--color-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-right: none;
  border-bottom: var(--border-width) solid var(--color-border);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  position: relative;
  text-decoration: none;
  color: inherit;
  transition: background var(--transition-normal) ease;
}

.horizontal-link-card-header:hover {
  background: var(--color-primary-hover);
}

.new-badge {
  position: absolute;
  top: 6px;
  right: 8px;
  background: var(--color-badge);
  color: var(--color-white);
  font-size: 10px;
  font-weight: 900;
  padding: 2px 6px;
  border-radius: 3px;
  letter-spacing: 0.5px;
  line-height: 1.2;
}

.horizontal-link-card-header h2,
.horizontal-link-card-header h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
  line-height: 1.35;
  text-align: center;
}

/* カード下段：サムネイル + 説明 */
.horizontal-link-card-body {
  background: var(--color-surface);
  padding: var(--spacing-md);
  flex: 1;
  display: flex;
  align-items: flex-start;
  min-height: 0;
}

.loredit-banner-content {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  width: 100%;
  min-width: 0;
}

.loredit-banner-thumbnail {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  flex-shrink: 0;
}

.horizontal-link-card-body .horizontal-link-description {
  font-size: 13px;
  color: #e0e0e0 !important;
  font-weight: 400;
  line-height: 1.55;
  margin: 0;
  flex: 1;
  min-width: 0;
}

.horizontal-link-card-body .horizontal-link-description a {
  color: var(--color-primary);
  text-decoration: underline;
}

.horizontal-link-card-body .horizontal-link-description a:hover {
  color: var(--color-primary-hover);
}

/* ========================================
   最新記事リンクカード（トップページ）
   ======================================== */
.blog-latest-card-container {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.blog-latest-card {
  display: block;
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-white);
  border: var(--border-width) solid var(--color-text);
  border-radius: 6px;
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-normal) ease;
  position: relative;
}

.blog-latest-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.blog-latest-badge {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-block;
  margin-bottom: 8px;
}

.blog-latest-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 8px 0;
  line-height: 1.4;
}

.blog-latest-meta {
  font-size: 12px;
  color: #6a6a68;
  margin: 0 0 8px 0;
}

.blog-latest-excerpt {
  font-size: 14px;
  color: #4a4a48;
  line-height: 1.5;
  margin: 0 32px 0 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-latest-arrow {
  position: absolute;
  right: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  color: #999;
  font-weight: bold;
}

/* ========================================
   ブログリンクセクション
   ======================================== */
.blog-link-section {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.blog-link-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.blog-link-caption {
  font-size: 12px;
  color: var(--color-muted);
  margin: 0;
  padding: 0;
}

.blog-banner {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 10px var(--spacing-md);
  background-color: var(--color-text);
  border: var(--border-width) solid var(--color-text);
  border-radius: 4px;
  text-decoration: none;
  color: var(--color-muted-light);
  font-size: 12px;
  font-weight: 400;
  text-align: right;
  margin-top: 16px;
  transition: all var(--transition-normal) ease;
}

.blog-banner:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.blog-banner-text {
  font-weight: 600;
}

.blog-banner-arrow {
  font-weight: bold;
}

/* ========================================
   カルーセルセクション
   ======================================== */
.carousel-section {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.carousel-section h2 {
  font-size: 24px;
  color: var(--color-text);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.carousel-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  max-width: 800px;
  margin: 0 auto;
}

.carousel-track-container {
  flex: 1;
  overflow: hidden;
  position: relative;
}

.carousel-track-container::before,
.carousel-track-container::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}

.carousel-track-container::before {
  left: 0;
  background: linear-gradient(
    to right,
    var(--color-background) 0%,
    rgba(217, 217, 217, 0) 100%
  );
}

.carousel-track-container::after {
  right: 0;
  background: linear-gradient(
    to left,
    var(--color-background) 0%,
    rgba(217, 217, 217, 0) 100%
  );
}

.carousel-track {
  display: flex;
  transition: transform var(--transition-normal) ease;
  gap: var(--spacing-xl);
  padding: 0 clamp(5px, 2vw, var(--spacing-md));
}

.carousel-item {
  flex: 0 0 calc(25% - 30px);
  transition: transform var(--transition-normal) ease,
    opacity var(--transition-normal) ease;
  min-width: 0;
  max-width: 250px;
}

.carousel-link {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--color-white);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  transition: all var(--transition-normal) ease;
  aspect-ratio: 1 / 1;
}

.carousel-link:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
  border-color: var(--color-primary);
}

.carousel-thumbnail {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 1 / 1;
}

.carousel-title {
  padding: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  text-align: center;
  background: var(--color-primary);
  border-top: var(--border-width) solid var(--color-border);
}

.carousel-button {
  background: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  font-size: 24px;
  font-weight: bold;
  color: var(--color-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal) ease;
  flex-shrink: 0;
  line-height: 1;
}

.carousel-button:hover {
  background: var(--color-primary-hover);
  transform: scale(1.1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.carousel-button:active {
  transform: scale(0.95);
}

.carousel-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--color-background);
}

.carousel-button:disabled:hover {
  transform: none;
  box-shadow: none;
}

/* ========================================
   リンクセクション
   ======================================== */
.links-section {
  margin-top: var(--spacing-xl);
}

.links-section h2 {
  font-size: 24px;
  color: var(--color-text);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.link-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
  max-width: 100%;
  justify-items: center;
}

.link-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border: var(--border-width) solid var(--color-text);
  border-radius: 8px;
  padding: 0;
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-normal) ease;
  position: relative;
  overflow: hidden;
  aspect-ratio: 1 / 1.25;
}

.link-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.link-card-yellow-header {
  background: var(--color-primary);
  padding: var(--spacing-sm);
  position: relative;
  border-bottom: var(--border-width) solid var(--color-text);
  flex-shrink: 0;
}

.link-card-yellow-header h3 {
  font-size: 16px;
  font-weight: 900;
  color: var(--color-text);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  line-height: 1.2;
}

.link-card-white-body {
  background: var(--color-surface);
  padding: 10px;
  padding-bottom: 50px;
  position: relative;
  border-radius: 0 0 6px 6px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.link-url-line {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: var(--spacing-xs);
  flex-shrink: 0;
}

.url-value {
  font-size: 12px;
  color: var(--color-badge);
  min-width: 0;
  word-break: break-all;
  font-weight: 600;
  line-height: 1.3;
}

.link-card-white-body .link-description {
  font-size: 14px;
  color: var(--color-primary) !important;
  font-weight: 400 !important;
  line-height: 1.4;
  margin: 0;
  margin-top: var(--spacing-xs);
  flex: 1;
  overflow: hidden;
}

.link-arrow-button {
  position: absolute;
  bottom: 10px;
  right: 10px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: transparent;
  border: var(--border-width) solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal) ease;
  flex-shrink: 0;
}

.link-card:hover .link-arrow-button {
  transform: translateX(3px);
}

.link-arrow-button span {
  font-size: 14px;
  color: #999999;
  font-weight: bold;
}

/* ========================================
   レスポンシブデザイン
   ======================================== */
@media (max-width: 768px) {
  .author-section {
    margin-top: 25px;
    margin-bottom: 35px;
  }

  .author-header h2 {
    font-size: 1.8em;
  }

  .author-name {
    font-size: 15px;
  }

  .author-description {
    font-size: 0.93em;
  }

  .horizontal-link-card-section {
    margin-top: 25px;
    margin-bottom: 40px;
    grid-template-columns: 1fr;
  }

  .horizontal-link-card {
    flex-direction: column;
    min-height: auto;
  }

  .horizontal-link-card-header {
    border-right: none;
    border-bottom: var(--border-width) solid var(--color-border);
    min-width: 100%;
    padding: var(--spacing-sm);
  }

  .horizontal-link-card-body {
    padding: var(--spacing-sm);
  }

  .loredit-banner-content {
    gap: var(--spacing-sm);
  }

  .loredit-banner-thumbnail {
    width: 80px;
    height: 80px;
  }

  .horizontal-link-description {
    font-size: 13px;
  }

  .blog-link-section {
    margin-top: 25px;
    margin-bottom: 35px;
  }

  .blog-banner {
    padding: 9px 18px;
    font-size: 12px;
    font-weight: 400;
    text-align: right;
    margin-top: 16px;
  }

  .carousel-section {
    margin-top: 35px;
    margin-bottom: 35px;
  }

  .carousel-section h2 {
    font-size: 22px;
    margin-bottom: 18px;
  }

  .carousel-wrapper {
    max-width: 100%;
    gap: var(--spacing-sm);
  }

  .carousel-track-container::before,
  .carousel-track-container::after {
    width: 40px;
  }

  .carousel-track {
    padding: 0 clamp(8px, 1.5vw, 15px);
    gap: 15px;
  }

  .carousel-item {
    flex: 0 0 calc(50% - 7.5px);
    max-width: 200px;
    min-width: 150px;
  }

  .carousel-button {
    width: 36px;
    height: 36px;
    font-size: 20px;
  }

  .carousel-title {
    padding: 8px;
    font-size: 12px;
  }

  .links-section {
    margin-top: 35px;
  }

  .links-section h2 {
    font-size: 22px;
    margin-bottom: 18px;
  }

  .link-cards {
    gap: 25px;
  }

  .link-card {
    border-radius: 6px;
  }

  .link-card-yellow-header {
    padding: 11px;
  }

  .link-card-yellow-header h3 {
    font-size: 15px;
    letter-spacing: 0.4px;
  }

  .link-card-white-body {
    padding: 9px;
    padding-bottom: 48px;
    border-radius: 0 0 6px 6px;
  }

  .url-value {
    font-size: 11px;
  }

  .link-description {
    font-size: 10.5px;
    margin-top: 7px;
  }

  .link-arrow-button {
    bottom: 9px;
    right: 9px;
    width: 30px;
    height: 30px;
  }

  .link-arrow-button span {
    font-size: 13px;
  }
}

@media (max-width: 420px) {
  .author-section {
    margin-top: 20px;
    margin-bottom: 30px;
  }

  .author-header h2 {
    font-size: 1.6em;
  }

  .author-name {
    font-size: 14px;
  }

  .author-description {
    font-size: 0.9em;
  }

  .horizontal-link-card-section {
    margin-top: 20px;
    margin-bottom: 30px;
    grid-template-columns: 1fr;
  }

  .horizontal-link-card-header {
    padding: 10px;
  }

  .horizontal-link-card-header h2,
  .horizontal-link-card-header h3 {
    font-size: 14px;
  }

  .horizontal-link-card-body {
    padding: 10px;
  }

  .loredit-banner-thumbnail {
    width: 72px;
    height: 72px;
  }

  .horizontal-link-description {
    font-size: 12px;
  }

  .blog-link-section {
    margin-top: 20px;
    margin-bottom: 30px;
  }

  .blog-banner {
    padding: 8px 16px;
    font-size: 12px;
    font-weight: 400;
    text-align: right;
    margin-top: 16px;
  }

  .carousel-section {
    margin-top: 30px;
    margin-bottom: 30px;
  }

  .carousel-section h2 {
    font-size: 20px;
    margin-bottom: 15px;
  }

  .carousel-wrapper {
    max-width: 100%;
    gap: var(--spacing-xs);
  }

  .carousel-track-container::before,
  .carousel-track-container::after {
    width: 10px;
  }

  .carousel-track {
    padding: 0 clamp(5px, 1vw, 10px);
    gap: 12px;
  }

  .carousel-item {
    flex: 0 0 100%;
    max-width: 200px;
    margin: 0 auto;
  }

  .carousel-link {
    max-width: 100%;
  }

  .carousel-button {
    width: 32px;
    height: 32px;
    font-size: 18px;
  }

  .carousel-thumbnail {
    max-width: 100%;
    height: auto;
  }

  .carousel-title {
    padding: 8px;
    font-size: 12px;
  }

  .links-section {
    margin-top: 30px;
  }

  .links-section h2 {
    font-size: 20px;
    margin-bottom: 15px;
  }

  .link-cards {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .link-card {
    border-radius: 6px;
    aspect-ratio: auto;
    flex-direction: row;
    min-height: 80px;
  }

  .link-card-yellow-header {
    padding: 10px 12px;
    border-bottom: none;
    border-right: var(--border-width) solid var(--color-text);
    flex-shrink: 0;
    min-width: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .link-card-yellow-header h3 {
    font-size: 13px;
    letter-spacing: 0.3px;
    writing-mode: horizontal-tb;
  }

  .link-card-white-body {
    padding: 10px 12px;
    padding-bottom: 10px;
    border-radius: 0 6px 6px 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
  }

  .link-url-line {
    margin-bottom: 6px;
  }

  .url-value {
    font-size: 10px;
  }

  .link-description {
    font-size: 10px;
    margin-top: 4px;
  }

  .link-arrow-button {
    bottom: 8px;
    right: 8px;
    width: 28px;
    height: 28px;
  }

  .link-arrow-button span {
    font-size: 12px;
  }
}