@charset "UTF-8";
/* ==========================================================================
   home.css - ブログ一覧・アーカイブ専用スタイル
   ========================================================================== */

/* --------------------------------------------------------------------------
   Blog Section - セクション全体
   -------------------------------------------------------------------------- */
.blog-section {
  padding-block: var(--space-16);
  background-color: var(--color-black);
  min-height: 100vh;
}

/* --------------------------------------------------------------------------
   Blog Header - ヘッダー部分
   -------------------------------------------------------------------------- */
.blog-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  margin-block-end: var(--space-12);
  text-align: center;
}

.blog-decoration-box {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.blog-decoration-box::before,
.blog-decoration-box::after {
  content: "";
  display: block;
  width: 1.5rem;
  height: 0.0625rem;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-gold),
    transparent
  );
}

.blog-label {
  font-family: var(--font-family-accent);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.blog-title {
  font-family: var(--font-family-accent);
  font-size: clamp(var(--font-size-2xl), 5vw, var(--font-size-3xl));
  font-weight: var(--font-weight-light);
  letter-spacing: 0.1em;
  color: var(--color-white);
}

/* --------------------------------------------------------------------------
   Blog List - 記事一覧グリッド
   -------------------------------------------------------------------------- */
.blog-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

/* --------------------------------------------------------------------------
   Blog Item - 各記事カード
   -------------------------------------------------------------------------- */
.blog-item {
  position: relative;
}

.blog-item__inner {
  height: 100%;
  background: var(--color-glass-bg);
  border: 0.0625rem solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-luxury);
}

.blog-item:hover .blog-item__inner {
  background: var(--color-glass-bg-hover);
  border-color: var(--color-gold-transparent);
  box-shadow: var(--shadow-gold);
  transform: translateY(-0.25rem);
}

.blog-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

/* --------------------------------------------------------------------------
   Blog Media - アイキャッチ画像
   -------------------------------------------------------------------------- */
.blog-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.blog-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 60%,
    rgba(0, 0, 0, 0.6)
  );
  pointer-events: none;
}

.blog-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.blog-item:hover .blog-media img {
  transform: scale(1.05);
}

/* --------------------------------------------------------------------------
   Blog Body - 記事情報
   -------------------------------------------------------------------------- */
.blog-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-5);
  flex-grow: 1;
}

.blog-item-date {
  font-family: var(--font-family-accent);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-regular);
  letter-spacing: 0.08em;
  color: var(--color-gray-400);
  transition: var(--transition-base);
}

.blog-item:hover .blog-item-date {
  color: var(--color-gold);
}

.blog-item-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1.6;
  color: var(--color-white);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: var(--transition-base);
}

.blog-item:hover .blog-item-title {
  color: var(--color-gold-light);
}

/* --------------------------------------------------------------------------
   Blog Empty - 投稿がない場合
   -------------------------------------------------------------------------- */
.blog-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-16) var(--space-4);
  text-align: center;
}

.blog-empty::before {
  content: "";
  display: block;
  width: 3rem;
  height: 0.0625rem;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-gray-600),
    transparent
  );
}

.blog-empty p {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-light);
  letter-spacing: 0.05em;
  color: var(--color-gray-500);
}

.blog-empty::after {
  content: "";
  display: block;
  width: 3rem;
  height: 0.0625rem;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-gray-600),
    transparent
  );
}

/* ==========================================================================
   Tablet (768px ~)
   ========================================================================== */
@media screen and (min-width: 768px) {
  .blog-section {
    padding-block: var(--space-20);
  }

  .blog-header {
    margin-block-end: var(--space-16);
  }

  .blog-decoration-box::before,
  .blog-decoration-box::after {
    width: 2.5rem;
  }

  .blog-list {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
  }

  .blog-body {
    padding: var(--space-6);
  }

  .blog-item-title {
    font-size: var(--font-size-md);
  }
}

/* ==========================================================================
   Desktop (1024px ~)
   ========================================================================== */
@media screen and (min-width: 1024px) {
  .blog-list {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-10);
  }

  .blog-media {
    aspect-ratio: 16 / 9;
  }

  .blog-body {
    gap: var(--space-3);
    padding: var(--space-7);
  }

  .blog-item-title {
    font-size: var(--font-size-lg);
    -webkit-line-clamp: 3;
  }

  .blog-empty {
    padding: var(--space-20) var(--space-4);
  }

  .blog-empty::before,
  .blog-empty::after {
    width: 4rem;
  }

  .blog-empty p {
    font-size: var(--font-size-base);
  }
}