/* ================================================
   Card Component
   ================================================ */

/* Data Card - サービス紹介カード */
.data-card {
    background: var(--color-white);
    padding: var(--card-padding-mobile);
    border-radius: var(--radius-xxl);
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
    border: 3px solid var(--color-primary);
}

@media (min-width: 769px) {
    .data-card {
        padding: var(--card-padding);
    }
}

.data-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.data-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-card-hover);
}

/* Card Icon */
.data-card__icon {
    display: none;
}

/* Card Label */
.data-card__label {
    font-size: 0.9rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-secondary);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Card Title */
.data-card__title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-black);
    color: var(--color-black-pure);
    margin-bottom: 15px;
    font-family: var(--font-heading);
}

/* Card Description */
.data-card__description {
    font-size: var(--section-description-size);
    color: var(--section-description-color);
    line-height: var(--section-description-line-height);
    margin-bottom: 20px;
}

/* Card Grid Layout */
.data-cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--card-gap);
    margin-bottom: 60px;
    position: relative;
    z-index: 1;
}

/* PC (Desktop) */
@media (min-width: 769px) {
    .data-card__title {
        font-size: 1.8rem;
    }
}

/* Responsive - Tablet and Desktop */
@media (min-width: 769px) and (max-width: 1024px) {
    .data-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1025px) {
    .data-cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ================================================
   Generic Card Component - 汎用カードコンポーネント
   すべてのサイズやスタイルはvariables.cssで一括管理
   ================================================ */

/* Card Base */
.card {
  background: var(--bg-primary);
  padding: var(--card-padding-mobile);
  border-radius: var(--card-border-radius);
  box-shadow: var(--card-shadow);
  text-align: center;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

@media (min-width: 769px) {
  .card {
    padding: var(--card-padding);
  }
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--card-shadow-hover);
}

/* Card with Top Border Animation */
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: var(--card-icon-gradient);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.card:hover::before {
  transform: scaleX(1);
}

/* Card Icon */
.card-icon {
  margin-bottom: var(--spacing-md);
}

.card-icon-circle {
  width: var(--card-icon-size);
  height: var(--card-icon-size);
  background: var(--card-icon-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  box-shadow: var(--card-icon-shadow);
}

/* Card Number */
.card-number {
  font-size: var(--card-number-size);
  font-weight: var(--card-number-weight);
  color: var(--color-text-inverse);
  font-family: var(--font-heading);
}

/* Card Title */
.card-title {
  font-size: var(--card-title-size) !important;
  font-weight: var(--card-title-weight) !important;
  color: var(--card-title-color) !important;
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-heading);
}

/* Card Text/Description */
.card-text {
  font-size: var(--card-text-size);
  color: var(--card-text-color);
  line-height: var(--card-text-line-height);
  margin: 0;
}

/* ================================================
   Article Card - 記事カード（ニュース・導入事例用）
   ================================================ */


/* Article Card */
.article-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: var(--transition-base);
  border-left: 4px solid var(--color-accent-01);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.article-card.hidden {
  display: none;
}

.article-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
}

.article-card__thumbnail {
  width: 100%;
  height: 200px;
  background: var(--color-bg-lightest);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  font-family: var(--font-secondary);
  margin-bottom: var(--spacing-md);
}

.article-card__link {
  display: flex;
  flex-direction: column;
  flex: 1;
  text-decoration: none;
  color: inherit;
  padding: var(--spacing-sm);
}

.article-card__content {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.article-card__header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.article-card__date {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  font-weight: var(--font-weight-semibold);
  font-family: var(--font-secondary);
}

.article-card__category {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
}

.article-card__category--press {
  background: var(--color-purple);
}

.article-card__category--notice {
  background: var(--color-accent-01);
}

.article-card__category--case {
  background: var(--color-info);
}

.article-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-black);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
  line-height: var(--line-height-tight);
}

.article-card__excerpt {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-md);
  flex: 1;
}

.article-card__metrics {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  margin-top: auto;
  gap: var(--spacing-sm);
  width: 100%;
}

.metric {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  flex: 1 1 0;
  position: relative;
  min-width: 0;
}

.metric:not(:last-child)::after {
  content: '';
  position: absolute;
  right: calc(var(--spacing-sm) / -2);
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--color-border);
}

.metric__number {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-black);
  color: var(--color-accent-01);
  font-family: var(--font-secondary);
  text-align: center;
  word-break: keep-all;
  white-space: nowrap;
}

.metric__unit {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-normal);
}

.metric__label {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-semibold);
  text-align: center;
  word-break: keep-all;
  white-space: nowrap;
}

.article-card__more {
  display: inline-block;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent-01);
  transition: var(--transition-base);
}

.article-card:hover .article-card__more {
  transform: translateX(5px);
}

/* Responsive */
@media (min-width: 768px) {
  .article-card__link {
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .article-card__title {
    font-size: var(--font-size-xl);
  }

  .article-card__excerpt {
    font-size: var(--font-size-md);
  }

  .article-card__metrics {
    gap: var(--spacing-md);
  }

  .metric:not(:last-child)::after {
    right: calc(var(--spacing-md) / -2);
  }

  .metric__number {
    font-size: var(--font-size-xl);
  }

  .metric__unit {
    font-size: var(--font-size-sm);
  }

  .metric__label {
    font-size: var(--font-size-xs);
  }
}