/* ==========================================================================
   AI実験室 (Custom Home Template) - Dedicated Stylesheet (最終版)
   ========================================================================== */

.daifuk-home-layout {
  background-color: #ffffff !important;
  color: #111827 !important;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans JP", sans-serif;
  line-height: 1.6;
}

/* ==========================================================================
   Cocoon Default Elements Reset (Only on Custom Home Template)
   ========================================================================== */
/* ① ヘッダーのカテゴリメニュー（グローバルナビゲーション）を非表示にする */
.page-template-page-home-custom #navi,
.page-template-page-home-custom .navi,
.page-template-page-home-custom #navi-in {
  display: none !important;
}

.page-template-page-home-custom #sidebar,
.page-template-page-home-custom .sidebar {
  display: none !important;
}

.page-template-page-home-custom #breadcrumbs,
.page-template-page-home-custom .breadcrumbs,
.page-template-page-home-custom .breadcrumbs-wrap {
  display: none !important;
}

.page-template-page-home-custom .entry-title,
.page-template-page-home-custom .entry-header,
.page-template-page-home-custom .post-meta,
.page-template-page-home-custom .sns-share,
.page-template-page-home-custom .sns-follow,
.page-template-page-home-custom .like-button-area {
  display: none !important;
}

/* ② 右側の余白をなくすため、コンテナラッパー（.wrap / #content-in）を画面幅いっぱいに拡張 */
.page-template-page-home-custom #main,
.page-template-page-home-custom .main {
  width: 100% !important;
  max-width: 100% !important;
  float: none !important;
  padding: 0 !important;
  margin: 0 !important;
  border: none !important;
  background: transparent !important;
  box-shadow: none !important;
}

.page-template-page-home-custom #content,
.page-template-page-home-custom #content-in,
.page-template-page-home-custom .wrap {
  width: 100% !important;
  max-width: 100% !important;
  padding: 0 !important;
  margin: 0 !important;
  box-sizing: border-box !important;
}

/* ヒーロー以外の各セクションのインナー要素を1240pxで中央配置にする */
.daifuk-section-inner {
  max-width: 1240px !important;
  margin-right: auto !important;
  margin-left: auto !important;
  padding-right: 24px !important;
  padding-left: 24px !important;
  box-sizing: border-box !important;
  width: 100% !important;
}

/* ==========================================================================
   Section Layouts
   ========================================================================== */
.daifuk-home-layout section {
  padding: 100px 0;
  border-bottom: 1px solid #ececec;
  width: 100% !important;
  box-sizing: border-box !important;
}

.daifuk-home-layout section:last-of-type {
  border-bottom: none;
}

/* Background Color Rhythm */
.daifuk-section-white {
  background-color: #ffffff !important;
}

.daifuk-section-gray {
  background-color: #f9fafb !important;
}

.daifuk-section-blue {
  background-color: #f8fafc !important;
}

/* Header layout (Flex space-between for links) */
.daifuk-home-layout .section-header {
  margin-bottom: 50px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
}

.daifuk-home-layout .header-left {
  flex: 1;
}

.daifuk-home-layout .header-right {
  display: flex;
  gap: 20px;
  flex-shrink: 0;
}

.daifuk-home-layout .section-num {
  font-family: "JetBrains Mono", "Consolas", monospace;
  font-size: 0.8rem;
  color: #6366f1;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
  display: block;
}

.daifuk-home-layout .section-title {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
  color: #111827;
  border: none !important;
  background: none !important;
  padding: 0 !important;
}

.daifuk-home-layout .section-desc {
  font-size: 0.95rem;
  color: #4b5563;
  margin-top: 8px;
}

.daifuk-header-link {
  font-size: 0.88rem;
  font-weight: 700;
  color: #6366f1;
  text-decoration: none !important;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.25s ease;
}

.daifuk-header-link:hover {
  color: #4f46e5;
  transform: translateX(3px);
}

/* ==========================================================================
   ① HERO Section (Full Screen Background Parallax)
   ========================================================================== */
.daifuk-hero {
  position: relative;
  /* 画像を画面全面に設定 */
  background-image: url('../images/KV-ai-lab2.png') !important;
  background-attachment: fixed !important;
  background-position: right bottom !important;
  background-size: cover !important;
  background-repeat: no-repeat !important;
  min-height: 78vh !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 100% !important;
  padding: 0 !important;
  border-bottom: 1px solid #ececec;
  overflow: hidden;
}

/* 視認性を確保するための半透明オーバーレイレイヤー */
.daifuk-hero-overlay {
  display: none !important; /* 背景が白ベースのため不要に */
}

.daifuk-hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: 100px 24px;
}

.daifuk-hero-title {
  font-size: 3.2rem;
  font-weight: 850;
  letter-spacing: -0.03em;
  color: #111827;
  line-height: 1.15;
  margin-bottom: 24px;
}

/* キャッチコピーの「AI」の文字を目立たせる強調スタイル */
.daifuk-highlight {
  color: #3b82f6 !important; /* 鮮やかなブルー */
  font-size: 1.15em !important; /* 少し大きく */
  font-weight: 900 !important;
}

.daifuk-hero-subtitle {
  font-size: 1.15rem;
  color: #374151;
  margin-bottom: 40px;
  line-height: 1.6;
}

.daifuk-hero-subtitle span {
  display: block;
}

.daifuk-hero-ctas {
  display: flex;
  justify-content: center;
  gap: 16px;
}

/* Fade in Animation */
.daifuk-fade-in {
  animation: daifukFadeIn 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  opacity: 0;
}

@keyframes daifukFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   Buttons Component Override (高優先度でボタン化)
   ========================================================================== */
.daifuk-home-layout .daifuk-btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 14px 32px !important;
  font-size: 0.95rem !important;
  font-weight: 700 !important;
  border-radius: 8px !important;
  text-decoration: none !important;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
  cursor: pointer !important;
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.02), 0 2px 4px -1px rgba(0,0,0,0.02) !important;
}

.daifuk-home-layout .daifuk-btn-primary {
  background-color: #111827 !important;
  color: #ffffff !important;
  border: 1px solid #111827 !important;
}

.daifuk-home-layout .daifuk-btn-primary:hover {
  background-color: #6366f1 !important;
  border-color: #6366f1 !important;
  color: #ffffff !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.2) !important;
}

.daifuk-home-layout .daifuk-btn-secondary {
  background-color: #ffffff !important;
  color: #111827 !important;
  border: 1px solid #d1d5db !important;
}

.daifuk-home-layout .daifuk-btn-secondary:hover {
  background-color: #f9fafb !important;
  color: #111827 !important;
  border-color: #9ca3af !important;
  transform: translateY(-2px) !important;
}

.daifuk-status-pill {
  display: inline-block;
  background-color: #f1f5f9;
  color: #334155;
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-top: 24px;
}

.daifuk-status-pill span {
  color: #6366f1;
}

.daifuk-status-pill-mini {
  display: inline-block !important;
  background-color: #e0e7ff !important;
  color: #4f46e5 !important;
  font-size: 0.78rem !important;
  font-weight: 700 !important;
  padding: 4px 10px !important;
  border-radius: 6px !important;
  letter-spacing: 0.02em !important;
  vertical-align: middle !important;
}

/* ==========================================================================
   ③ AI実験ノート Section (Cocoon Cards Bulletproof Override)
   ========================================================================== */
.daifuk-grid-cocoon {
  display: grid !important;
  grid-template-columns: repeat(4, 1fr) !important;
  gap: 24px !important;
  width: 100% !important;
}

/* Cocoonのカードデザインが崩れないように徹底リセット＆再定義 */
.daifuk-grid-cocoon .entry-card-wrap {
  display: block !important;
  width: 100% !important;
  max-width: 100% !important;
  margin: 0 !important;
  float: none !important;
  border: 1px solid #ececec !important;
  border-radius: 12px !important;
  background-color: #ffffff !important;
  box-shadow: none !important;
  overflow: hidden !important;
  box-sizing: border-box !important;
  text-decoration: none !important;
  transition: all 0.25s ease !important;
  height: 100% !important;
}

.daifuk-grid-cocoon .entry-card-wrap:hover {
  transform: translateY(-4px) !important;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.05) !important;
  border-color: #9ca3af !important;
}

.daifuk-grid-cocoon .entry-card-wrap article {
  display: flex !important;
  flex-direction: column !important;
  height: 100% !important;
  width: 100% !important;
  margin: 0 !important;
  padding: 0 !important;
  float: none !important;
  border: none !important;
  background: transparent !important;
  box-sizing: border-box !important;
}

/* サムネイル画像の調整 */
.daifuk-grid-cocoon .entry-card-thumb {
  width: 100% !important;
  margin: 0 !important;
  float: none !important;
  aspect-ratio: 16 / 9 !important;
  position: relative !important;
  overflow: hidden !important;
}

.daifuk-grid-cocoon .entry-card-thumb img {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
  margin: 0 !important;
  position: static !important;
}

/* コンテンツ部分の調整 */
.daifuk-grid-cocoon .entry-card-content {
  padding: 16px !important;
  margin: 0 !important;
  float: none !important;
  flex-grow: 1 !important;
  display: flex !important;
  flex-direction: column !important;
  box-sizing: border-box !important;
}

/* タイトルフォントサイズ・高さの固定 */
.daifuk-grid-cocoon .entry-card-title {
  font-size: 0.95rem !important;
  font-weight: 700 !important;
  color: #111827 !important;
  line-height: 1.5 !important;
  margin: 0 0 10px 0 !important;
  padding: 0 !important;
  border: none !important;
  background: none !important;
  display: -webkit-box !important;
  -webkit-line-clamp: 2 !important;
  -webkit-box-orient: vertical !important;
  overflow: hidden !important;
  height: 3em !important;
}

.daifuk-grid-cocoon .entry-card-wrap:hover .entry-card-title {
  color: #6366f1 !important;
}

/* 抜粋テキストの高さ固定 */
.daifuk-grid-cocoon .entry-card-snippet {
  font-size: 0.8rem !important;
  color: #4b5563 !important;
  line-height: 1.5 !important;
  margin: 0 0 12px 0 !important;
  display: -webkit-box !important;
  -webkit-line-clamp: 2 !important;
  -webkit-box-orient: vertical !important;
  overflow: hidden !important;
  height: 3em !important;
}

/* メタ情報の再定義 */
.daifuk-grid-cocoon .entry-card-meta {
  margin-top: auto !important;
  padding-top: 10px !important;
  border-top: 1px solid #f1f5f9 !important;
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  font-size: 0.75rem !important;
  color: #9ca3af !important;
}

.daifuk-grid-cocoon .post-date,
.daifuk-grid-cocoon .post-update,
.daifuk-grid-cocoon .post-author,
.daifuk-grid-cocoon .post-comment-count {
  display: inline-flex !important;
  align-items: center !important;
  gap: 4px !important;
  color: #9ca3af !important;
}

/* 連載バッジの表示位置の定義 */
.daifuk-card-badge {
  display: inline-block !important;
  background-color: #6366f1 !important;
  color: #ffffff !important;
  padding: 2px 8px !important;
  border-radius: 4px !important;
  font-weight: 700 !important;
  font-size: 0.68rem !important;
  letter-spacing: 0.05em !important;
  margin-top: 4px !important;
  align-self: flex-start !important;
}

/* ==========================================================================
   ④ 最新記事 Section (Text List)
   ========================================================================== */
.daifuk-latest-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid #ececec;
  margin-bottom: 30px;
}

.daifuk-latest-item {
  display: flex;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid #ececec;
  text-decoration: none !important;
  color: #111827 !important;
  font-size: 0.92rem;
  transition: all 0.2s ease;
}

.daifuk-latest-item:hover {
  color: #6366f1 !important;
  padding-left: 8px;
}

.daifuk-latest-date {
  font-family: "JetBrains Mono", "Consolas", monospace;
  font-size: 0.8rem;
  color: #9ca3af;
  width: 120px;
  flex-shrink: 0;
}

.daifuk-latest-title {
  flex-grow: 1;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.daifuk-latest-arrow {
  margin-left: 20px;
  color: #cbd5e1;
  transition: all 0.2s ease;
}

.daifuk-latest-item:hover .daifuk-latest-arrow {
  color: #6366f1;
  transform: translateX(4px);
}

/* Series-first HOME navigation */
.daifuk-series-guide__list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.daifuk-series-guide__item {
  display: flex;
  min-height: 184px;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  text-decoration: none;
  transition: var(--transition-smooth);
}

.daifuk-series-guide__item:hover {
  border-color: var(--primary-color);
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-3px);
}

.daifuk-series-guide__title {
  font-size: 1.1rem;
  font-weight: 700;
}

.daifuk-series-guide__description {
  margin: 14px 0;
  color: var(--text-muted);
  font-size: .9rem;
  line-height: 1.7;
}

.daifuk-series-guide__link {
  color: var(--primary-color);
  font-size: .82rem;
  font-weight: 700;
}

.daifuk-home-series__title-row {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}

.daifuk-home-series__footer {
  margin-top: 50px;
  text-align: center;
}

.daifuk-home-series__empty {
  grid-column: 1 / -1;
  color: var(--text-muted);
  text-align: center;
}

/* ==========================================================================
   ⑤ Profile Section (Avatar Left, Copy Right)
   ========================================================================== */
.daifuk-profile-layout {
  display: flex;
  align-items: center;
  gap: 60px;
}

.daifuk-profile-avatar-wrap {
  width: 240px;
  height: 240px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 4px solid #ffffff;
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.04);
  overflow: hidden;
  background-color: #f3f4f6;
  display: flex;
  align-items: center;
  justify-content: center;
}

.daifuk-profile-avatar-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.daifuk-profile-text {
  flex: 1;
}

.daifuk-profile-role {
  font-family: "JetBrains Mono", "Consolas", monospace;
  color: #6366f1;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  display: block;
}

.daifuk-profile-title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
  color: #111827;
  border: none !important;
  background: none !important;
  padding: 0 !important;
}

.daifuk-profile-description {
  color: #4b5563;
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.daifuk-profile-bullets {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
}

.daifuk-profile-bullets span {
  background-color: #ffffff;
  border: 1px solid #ececec;
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #374151;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* ==========================================================================
   ⑥ Contact Section
   ========================================================================== */
.daifuk-contact-box {
  border: 1px solid #ececec;
  background-color: #fcfcfc;
  border-radius: 14px;
  padding: 60px 40px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  box-shadow: 0 10px 30px rgba(0,0,0,0.02);
}

.daifuk-contact-title {
  font-size: 1.8rem;
  font-weight: 800;
  margin: 0 0 16px 0;
  color: #111827;
  border: none !important;
  background: none !important;
  padding: 0 !important;
}

.daifuk-contact-desc {
  color: #4b5563;
  font-size: 0.95rem;
  margin: 0 auto 32px auto;
  max-width: 520px;
  line-height: 1.6;
}

.daifuk-contact-badges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.daifuk-contact-badges span {
  background-color: #eff6ff;
  color: #1e40af;
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.daifuk-badge-icon {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}

/* ==========================================================================
   ⑦⑧⑨ Navigation & Search & Tag Cloud (横に並べる 3カラム配置)
   ========================================================================== */
.daifuk-nav-container {
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important; /* PCでは3等分横並び */
  gap: 50px !important;
  width: 100% !important;
  box-sizing: border-box !important;
}

.daifuk-nav-sub-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: #111827;
  margin-bottom: 24px;
  text-align: left;
}

/* ① 検索フォームのインプットデザイン */
.daifuk-search-form-wrap {
  width: 100% !important;
}

.daifuk-search-form-wrap .search-form {
  display: flex;
}

.daifuk-search-form-wrap .search-field {
  flex-grow: 1;
  border: 1px solid #d1d5db;
  border-radius: 6px 0 0 6px;
  padding: 10px 14px;
  outline: none;
  font-size: 0.9rem;
}

.daifuk-search-form-wrap .search-submit {
  background-color: #111827;
  color: #ffffff;
  border: none;
  border-radius: 0 6px 6px 0;
  padding: 0 18px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s;
}

.daifuk-search-form-wrap .search-submit:hover {
  background-color: #6366f1;
}

/* ② カテゴリーリストの縦並び化（カラムに適した綺麗な配列） */
.daifuk-categories-block .daifuk-nav-list {
  display: flex !important;
  flex-direction: column !important;
  gap: 12px !important;
  align-items: flex-start !important;
}

.daifuk-categories-block .daifuk-nav-list a {
  background: none !important;
  border: none !important;
  padding: 0 !important;
  font-size: 0.9rem !important;
  font-weight: 600 !important;
  color: #4b5563 !important;
  text-decoration: none !important;
  transition: all 0.2s ease !important;
}

.daifuk-categories-block .daifuk-nav-list a:hover {
  color: #6366f1 !important;
  transform: translateX(4px) !important;
}

/* ③ タグリスト */
.daifuk-tags-block .daifuk-nav-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.daifuk-tags-block .daifuk-nav-tags a {
  font-size: 0.78rem;
  font-weight: 500;
  color: #6b7280;
  text-decoration: none !important;
  transition: all 0.2s ease;
  background-color: #f3f4f6;
  border: 1px solid #e5e7eb;
  border-radius: 4px;
  padding: 4px 10px;
}

.daifuk-tags-block .daifuk-nav-tags a:hover {
  color: #ffffff;
  background-color: #6366f1;
  border-color: #6366f1;
}

/* ==========================================================================
   Responsive Rules
   ========================================================================== */
@media screen and (max-width: 1100px) {
  .daifuk-grid-cocoon {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  
  .daifuk-nav-container {
    grid-template-columns: 1fr !important; /* タブレット以下では縦に積層 */
    gap: 40px !important;
  }
}

@media screen and (max-width: 900px) {
  .daifuk-hero-title {
    font-size: 2.5rem;
  }
  
  .daifuk-profile-layout {
    flex-direction: column;
    text-align: center;
  }

  .daifuk-profile-avatar-wrap {
    width: 180px;
    height: 180px;
  }

  .daifuk-profile-bullets {
    justify-content: center;
  }

  .daifuk-home-layout .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .daifuk-home-layout .header-right {
    width: 100%;
    justify-content: space-between;
  }
}

@media screen and (max-width: 600px) {
  .daifuk-grid-cocoon {
    grid-template-columns: 1fr !important;
  }

  .daifuk-hero {
    min-height: 70vh !important;
    background-position: 40% bottom !important; /* スマホ画面で左側の余白・要素を見せるためのオフセット */
  }
  
  .daifuk-hero-title {
    font-size: 2rem;
  }

  .daifuk-hero-ctas {
    flex-direction: column;
    gap: 12px;
  }

  .daifuk-home-layout .daifuk-btn-secondary {
    margin-left: 0 !important;
  }

  .daifuk-contact-badges span {
    width: 100%;
    text-align: center;
  }

  .daifuk-series-guide__list {
    grid-template-columns: 1fr;
  }

  .daifuk-series-guide__item {
    min-height: 0;
    padding: 20px;
  }
}

@media screen and (max-width: 767px) {
  .daifuk-series-guide__list {
    grid-template-columns: 1fr;
  }
}