/* ============================================================
   カードコンポーネント集
   ============================================================ */

/* ============================================================
   機能カード
   ============================================================ */
.feature-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: border-color var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out),
              transform var(--duration-normal) var(--ease-out);
}

.feature-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--glow-primary);
  transform: translateY(-4px);
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(124, 58, 237, 0.1));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary-light);
}

.feature-card__icon svg {
  width: 24px;
  height: 24px;
}

.feature-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.feature-card__title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  line-height: var(--leading-tight);
}

.feature-card__description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  flex: 1;
}

/* ============================================================
   プランカード（料金）
   ============================================================ */
.plan-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  position: relative;
  overflow: hidden;
}

.plan-card--featured {
  border-color: var(--color-primary);
  box-shadow: var(--glow-primary);
}

.plan-card--featured--accent {
  border-color: var(--color-accent);
  box-shadow: var(--glow-primary);
}

.plan-card__badge {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
}

.plan-card__header {
  flex-direction: column;
  gap: var(--space-3);
}

.plan-card__label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.plan-card__name {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
}

.plan-card__tagline {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.plan-card__price {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.plan-card__price-main {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.plan-card__price-value {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-4xl));
  font-weight: var(--font-bold);
  font-variant-numeric: tabular-nums;
  color: var(--color-text-primary);
}

.plan-card__price-unit {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.plan-card__price-note {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.plan-card__specs {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  border-top: 1px solid var(--color-border-subtle);
  padding-top: var(--space-6);
}

.plan-card__spec {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-sm);
}

.plan-card__spec-label {
  color: var(--color-text-secondary);
}

.plan-card__spec-value {
  font-weight: var(--font-medium);
  text-align: right;
}

.plan-card__fit-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.plan-card__fit-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.plan-card__fit-icon {
  width: 16px;
  height: 16px;
  color: var(--color-success);
  flex-shrink: 0;
  margin-top: 2px;
}

.plan-card__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: auto;
}

/* ============================================================
   信頼ポイントカード
   ============================================================ */
.trust-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  transition: border-color var(--duration-normal);
}

.trust-card:hover {
  border-color: var(--color-border);
}

.trust-card__icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  background: rgba(124, 58, 237, 0.15);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-light);
}

.trust-card__icon svg {
  width: 20px;
  height: 20px;
}

.trust-card__content {
  flex: 1;
}

.trust-card__title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-1);
}

.trust-card__description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ============================================================
   ステッパー（導入フロー）
   ============================================================ */
.stepper {
  display: flex;
  gap: 0;
  position: relative;
}

.stepper--vertical {
  flex-direction: column;
}

.stepper__item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-4);
  position: relative;
}

/* 接続線（横） */
.stepper:not(.stepper--vertical) .stepper__item:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 20px;
  left: calc(50% + 24px);
  right: calc(-50% + 24px);
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
}

.stepper--accent:not(.stepper--vertical) .stepper__item:not(:last-child)::after {
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
}

.stepper__number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  font-weight: var(--font-bold);
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--glow-primary);
  z-index: var(--z-content);
}

.stepper--accent .stepper__number{
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
}

.stepper__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-1);
}

.stepper__title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
}

.stepper__description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* 縦ステッパー */
.stepper--vertical .stepper__item {
  flex-direction: row;
  align-items: flex-start;
  text-align: left;
  padding-bottom: var(--space-8);
}

.stepper--vertical .stepper__item:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 20px;
  top: 44px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-primary), rgba(124, 58, 237, 0.3));
}

/* レスポンシブ */
@media (max-width: 767px) {
  .stepper:not(.stepper--vertical) {
    flex-direction: column;
    align-items: flex-start;
  }

  .stepper:not(.stepper--vertical) .stepper__item {
    flex-direction: row;
    text-align: left;
    align-items: flex-start;
    padding-bottom: var(--space-6);
  }

  .stepper:not(.stepper--vertical) .stepper__item::after {
    display: none;
  }
}

/* ============================================================
   ポストカード（お知らせ・ブログ用）
   ============================================================ */
.post-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out),
              transform var(--duration-normal) var(--ease-out);
}

.post-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--glow-primary);
  transform: translateY(-2px);
}

.post-card__title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  line-height: var(--leading-snug);
  margin: 0;
}

.post-card__title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-fast);
}

.post-card__title a:hover {
  color: var(--color-primary-light);
}

.post-card__meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.post-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.post-card__excerpt p {
  margin: 0;
}