/* Column Single Styles */

:root {
  --cs-primary: #5d020a;
  --cs-accent: #303d49;
  --cs-dark: #1a1e22;
  --cs-text: #1a1e22;
  --cs-muted: #60656b;
  --cs-border: #e6e8ea;
  --cs-bg: #fafafa;
}

.column-single {
  background-color: var(--cs-bg);
}

.column-entry {
  background: #fff;
  border: 1px solid var(--cs-border);
  border-radius: 16px;
  max-width: 1200px;
  margin: 48px auto;
  padding: 0 24px 48px;
}

.column-entry__header {
  border-bottom: 1px solid var(--cs-border);
  padding-bottom: 24px;
  margin-bottom: 24px;
}

.column-entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-size: 0.875rem;
  color: var(--cs-muted);
}

.column-entry__category {
  display: inline-block;
  background: rgba(93, 2, 10, 0.08);
  color: var(--cs-primary);
  padding: 6px 14px;
  border-radius: 20px;
  font-weight: 700;
  text-decoration: none;
  line-height: 1;
}

.column-entry__meta time {
  color: var(--cs-muted);
}

.column-entry__meta-sep {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--cs-border);
  display: inline-block;
}

.column-entry__title {
  font-size: clamp(1.8rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--cs-text);
  line-height: 1.3;
  margin: 24px 0 0;
}

.column-entry__meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 16px;
  border-top: 1px solid var(--cs-border);
  margin-top: 16px;
}

.column-entry__right {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.column-entry__share {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.column-entry__share-label {
  font-size: 0.875rem;
  color: var(--cs-muted);
  margin-right: 4px;
}

.share-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--cs-border);
  background: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--cs-muted);
  text-decoration: none;
  font-weight: 700;
}

.share-btn--tw { color: #1DA1F2; }
.share-btn--in { color: #0A66C2; }
.share-btn--fb { color: #1877F2; }
.share-btn--link { color: var(--cs-muted); }

.column-entry__thumbnail {
  position: relative;
  width: 100%;
  padding-top: 66.67%; /* 3:2 アスペクト比 */
  margin: 0 0 32px 0;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.column-entry__thumbnail-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 16px;
  display: block;
  object-fit: cover;
}

.column-entry__thumbnail-placeholder {
  position: relative;
  width: 100%;
  padding-top: 66.67%; /* 3:2 アスペクト比（一覧と統一） */
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  background: var(--cs-bg);
}

.column-entry__thumbnail-placeholder svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.column-entry__wrap {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
}

.column-entry__content {
  margin-top: 32px;
  color: var(--cs-text);
  line-height: 1.9;
}

/* 本文内目次 */
.column-content-toc {
  background: linear-gradient(135deg, rgba(93, 2, 10, 0.02) 0%, rgba(48, 61, 73, 0.02) 100%);
  border: 2px solid var(--cs-border);
  border-left: 4px solid var(--cs-primary);
  border-radius: 12px;
  padding: 0;
  margin: 0 0 32px 0;
  overflow: hidden;
}

.column-content-toc__toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  background: none;
  border: none;
  cursor: pointer;
  transition: background 0.2s ease;
}

.column-content-toc__toggle:hover {
  background: rgba(93, 2, 10, 0.04);
}

.column-content-toc__icon {
  font-size: 0.75rem;
  color: var(--cs-primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.column-content-toc__toggle[aria-expanded="true"] .column-content-toc__icon {
  transform: rotate(180deg);
}

.column-content-toc__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--cs-text);
  margin: 0;
  padding: 0;
  border: none;
  text-align: left;
}

.column-content-toc__nav {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.3s ease;
  opacity: 0;
}

.column-content-toc__nav[aria-hidden="false"] {
  max-height: 1000px;
  opacity: 1;
  padding: 0 20px 20px;
}

.column-content-toc__list {
  list-style: none;
  counter-reset: toc-counter;
  padding: 0;
  margin: 0;
}

.column-content-toc__item {
  counter-increment: toc-counter;
  margin-bottom: 12px;
}

.column-content-toc__item:last-child {
  margin-bottom: 0;
}

.column-content-toc__link {
  display: block;
  padding: 10px 16px;
  color: var(--cs-text);
  text-decoration: none !important;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: 8px;
  transition: all 0.2s ease;
  position: relative;
  padding-left: 48px;
}

.column-content-toc__link::before {
  content: counter(toc-counter);
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--cs-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 50%;
}

.column-content-toc__link:hover {
  background: rgba(93, 2, 10, 0.06);
  color: var(--cs-primary);
}

.column-content-toc__sublist {
  list-style: none;
  padding: 8px 0 0 32px;
  margin: 8px 0 0 0;
}

.column-content-toc__subitem {
  margin-bottom: 8px;
}

.column-content-toc__subitem:last-child {
  margin-bottom: 0;
}

.column-content-toc__sublink {
  display: block;
  padding: 8px 12px 8px 32px;
  color: var(--cs-muted);
  text-decoration: none !important;
  font-size: 0.9375rem;
  line-height: 1.5;
  border-radius: 6px;
  transition: all 0.2s ease;
  position: relative;
}

.column-content-toc__sublink::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: var(--cs-accent);
  border-radius: 50%;
}

.column-content-toc__sublink:hover {
  background: rgba(48, 61, 73, 0.06);
  color: var(--cs-accent);
}

.column-entry__content h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--cs-text);
  line-height: 1.4;
  margin-top: 56px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--cs-accent);
}

.column-entry__content h3 {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--cs-text);
  margin: 32px 0 16px;
  padding-left: 16px;
  border-left: 3px solid var(--cs-accent);
}

.column-entry__content a {
  color: var(--cs-primary);
  text-decoration: underline;
}

.column-entry__content em {
  font-style: normal;
  font-weight: 700;
}

.column-entry__content blockquote {
  border-left: 4px solid var(--cs-primary);
  background: rgba(93, 2, 10, 0.04);
  padding: 24px 28px;
  margin: 40px 0;
  border-radius: 0 12px 12px 0;
}

.column-entry__footer {
  margin-top: 32px;
}

/* Sidebar */
.column-sidebar {
  position: sticky;
  top: 24px;
  align-self: start;
}

.column-sidebar__widget {
  background: #fff;
  border: 1px solid var(--cs-border);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 24px;
}

.column-sidebar__widget--latest {
  border: 2px solid rgba(48, 61, 73, 0.2);
}

.column-sidebar__widget--recommended {
  border: 2px solid rgba(93, 2, 10, 0.3);
}

.column-sidebar__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--cs-accent);
  font-weight: 700;
  margin: 0 0 12px;
}

.column-toc {
  max-height: 600px;
  overflow-y: auto;
}

.column-toc__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.column-toc__item {
  margin-bottom: 4px;
}

.column-toc__link {
  display: block;
  padding: 10px 12px;
  font-size: 0.875rem;
  color: var(--cs-muted);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: all 0.2s ease;
}

.column-toc__link:hover {
  color: var(--cs-text);
  background: rgba(48, 61, 73, 0.04);
}

.column-toc__link.is-active {
  color: var(--cs-primary);
  background: rgba(93, 2, 10, 0.06);
  border-left-color: var(--cs-primary);
  font-weight: 600;
}

.column-toc__sublist {
  list-style: none;
  padding: 0;
  margin: 0 0 0 16px;
}

.column-toc__subitem {
  margin-bottom: 2px;
}

.column-toc__sublink {
  display: block;
  padding: 8px 12px;
  font-size: 0.8125rem;
  color: var(--cs-muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: all 0.2s ease;
}

.column-toc__sublink:hover {
  color: var(--cs-text);
  background: rgba(48, 61, 73, 0.04);
}

.column-toc__sublink.is-active {
  color: var(--cs-accent);
  background: rgba(48, 61, 73, 0.06);
  border-left-color: var(--cs-accent);
  font-weight: 600;
}

.column-banner__placeholder {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(93, 2, 10, 0.18) 0%, rgba(48, 61, 73, 0.18) 100%);
}

.column-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.column-list__item + .column-list__item {
  margin-top: 12px;
}

.column-list__link {
  display: flex;
  gap: 12px;
  text-decoration: none;
}

.column-list__thumb img {
  width: 60px;
  height: 60px;
  border-radius: 8px;
  object-fit: cover;
}

.column-list__cat {
  font-size: 0.75rem;
  color: var(--cs-primary);
  font-weight: 600;
  margin-bottom: 4px;
}

.column-list__title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cs-text);
  line-height: 1.4;
  margin: 0 0 4px;
}

.column-list__date {
  font-size: 0.75rem;
  color: var(--cs-muted);
}

/* Category List */
.column-category-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.column-category-list__item {
  border-bottom: 1px solid var(--cs-border);
}

.column-category-list__item:last-child {
  border-bottom: none;
}

.column-category-list__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 8px;
  text-decoration: none;
  color: var(--cs-text);
  transition: background 0.2s;
}

.column-category-list__link:hover {
  background: rgba(48, 61, 73, 0.04);
}

.column-category-list__name {
  font-size: 0.875rem;
  font-weight: 600;
}

.column-category-list__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
  padding: 0 8px;
  background: var(--cs-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 14px;
}

/* Supervisor Info */
.supervisor-info {
  background: linear-gradient(135deg, rgba(93, 2, 10, 0.04) 0%, rgba(48, 61, 73, 0.04) 100%);
  border: 2px solid var(--cs-primary);
  border-radius: 16px;
  padding: 24px;
  margin: 40px 0;
}

.supervisor-info__label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--cs-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.supervisor-info__label::before {
  content: '✓';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background: var(--cs-primary);
  color: #fff;
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
}

.supervisor-info__content {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.supervisor-info__avatar {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
}

.supervisor-info__avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.supervisor-info__avatar-placeholder {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cs-primary) 0%, var(--cs-accent) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  border: 3px solid #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.supervisor-info__body {
  flex: 1;
}

.supervisor-info__name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--cs-text);
  margin-bottom: 4px;
}

.supervisor-info__title {
  font-size: 0.875rem;
  color: var(--cs-primary);
  font-weight: 600;
  margin-bottom: 12px;
}

.supervisor-info__description {
  font-size: 0.875rem;
  color: var(--cs-text);
  line-height: 1.7;
  margin-bottom: 12px;
}

.supervisor-info__link {
  display: inline-flex;
  align-items: center;
  font-size: 0.875rem;
  color: var(--cs-primary);
  text-decoration: none;
  font-weight: 600;
  transition: opacity 0.2s;
}

.supervisor-info__link:hover {
  opacity: 0.7;
}

/* チェックリスト */
.growthgate-point {
  background: linear-gradient(135deg, rgba(93, 2, 10, 0.02) 0%, rgba(48, 61, 73, 0.02) 100%);
  border: 2px solid var(--cs-border);
  border-radius: 12px;
  padding: 24px 28px;
  margin: 32px 0;
}

.growthgate-point p {
  position: relative;
  padding-left: 36px;
  margin-bottom: 16px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--cs-text);
}

.growthgate-point p:last-child {
  margin-bottom: 0;
}

.growthgate-point p::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--cs-primary);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: 4px;
}

/* Q&A セクション */
.content-qa-section {
  background: #fff;
  border: 2px solid var(--cs-border);
  border-radius: 12px;
  padding: 32px;
  margin: 40px 0;
}

.content-qa-section__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cs-text);
  margin-bottom: 24px;
  text-align: center;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--cs-primary);
}

.content-qa-item {
  margin-bottom: 32px;
}

.content-qa-item:last-child {
  margin-bottom: 0;
}

.content-qa-question {
  position: relative;
  padding-left: 48px;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--cs-text);
  margin-bottom: 12px;
  line-height: 1.6;
}

.content-qa-question::before {
  content: 'Q';
  position: absolute;
  left: 0;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--cs-primary);
  color: #fff;
  font-size: 1.125rem;
  font-weight: 700;
  border-radius: 50%;
}

.content-qa-answer {
  position: relative;
  padding-left: 48px;
  font-size: 1rem;
  color: var(--cs-text);
  line-height: 1.8;
}

.content-qa-answer::before {
  content: 'A';
  position: absolute;
  left: 0;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--cs-accent);
  color: #fff;
  font-size: 1.125rem;
  font-weight: 700;
  border-radius: 50%;
}

/* ボタンスタイル */
.content-btn {
  display: inline-block;
  padding: 16px 32px;
  font-size: 1.125rem;
  font-weight: 700;
  text-align: center;
  text-decoration: none !important;
  border-radius: 8px;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.content-btn--primary {
  background: var(--cs-primary);
  color: #fff !important;
  box-shadow: 0 4px 12px rgba(93, 2, 10, 0.2);
}

.content-btn--primary:hover {
  background: #4a0208;
  color: #fff !important;
  box-shadow: 0 6px 16px rgba(93, 2, 10, 0.3);
  transform: translateY(-2px);
}

.content-btn--secondary {
  background: #fff;
  color: var(--cs-primary) !important;
  border: 2px solid var(--cs-primary);
  box-shadow: 0 4px 12px rgba(93, 2, 10, 0.1);
}

.content-btn--secondary:hover {
  background: var(--cs-primary);
  color: #fff !important;
  transform: translateY(-2px);
}

.content-btn--accent {
  background: var(--cs-accent);
  color: #fff !important;
  box-shadow: 0 4px 12px rgba(48, 61, 73, 0.2);
}

.content-btn--accent:hover {
  background: #24313b;
  color: #fff !important;
  box-shadow: 0 6px 16px rgba(48, 61, 73, 0.3);
  transform: translateY(-2px);
}

.content-btn--large {
  padding: 20px 48px;
  font-size: 1.25rem;
}

.content-btn--block {
  display: block;
  width: 100%;
}

.content-btn-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin: 32px 0;
}

.content-btn-group--center {
  justify-content: center;
}

@media (max-width: 768px) {
  .column-entry {
    padding: 0 16px 28px;
    margin: 24px auto;
  }
  .column-entry__wrap {
    grid-template-columns: 1fr;
  }

  .column-sidebar {
    display: none;
  }
  
  .supervisor-info__content {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .supervisor-info__avatar {
    width: 100px;
    height: 100px;
  }
  
  /* 本文内目次のモバイル対応 */
  .column-content-toc {
    margin: 0 0 24px 0;
  }
  
  .column-content-toc__toggle {
    padding: 12px 16px;
  }
  
  .column-content-toc__title {
    font-size: 1rem;
  }
  
  .column-content-toc__nav[aria-hidden="false"] {
    padding: 0 16px 16px;
  }
  
  .column-content-toc__link {
    padding: 8px 12px 8px 40px;
    font-size: 0.9375rem;
  }
  
  .column-content-toc__link::before {
    left: 12px;
    width: 20px;
    height: 20px;
    font-size: 0.7rem;
  }
  
  .column-content-toc__sublist {
    padding-left: 20px;
  }
  
  .column-content-toc__sublink {
    padding: 6px 8px 6px 24px;
    font-size: 0.875rem;
  }
  
  .column-content-toc__sublink::before {
    left: 8px;
  }

  /* チェックリストのモバイル対応 */
  .growthgate-point {
    padding: 20px;
  }

  .growthgate-point p {
    padding-left: 32px;
    font-size: 0.9375rem;
  }

  .growthgate-point p::before {
    width: 20px;
    height: 20px;
    font-size: 0.75rem;
  }

  /* Q&Aのモバイル対応 */
  .content-qa-section {
    padding: 24px 20px;
  }

  .content-qa-section__title {
    font-size: 1.25rem;
  }

  .content-qa-question {
    padding-left: 44px;
    font-size: 1rem;
  }

  .content-qa-question::before {
    width: 32px;
    height: 32px;
    font-size: 1rem;
  }

  .content-qa-answer {
    padding-left: 44px;
    font-size: 0.9375rem;
  }

  .content-qa-answer::before {
    width: 32px;
    height: 32px;
    font-size: 1rem;
  }

  /* ボタンのモバイル対応 */
  .content-btn {
    padding: 14px 24px;
    font-size: 1rem;
  }

  .content-btn--large {
    padding: 16px 32px;
    font-size: 1.125rem;
  }

  .content-btn-group {
    flex-direction: column;
  }

  .content-btn-group .content-btn {
    width: 100%;
  }
}

/* ===============================================
   コラムパーツ専用CSS
   =============================================== */

/* ============================================
   1. リスト系パーツ
   ============================================ */

/* 基本の箇条書き（デフォルトul） */
.column-entry__content ul:not([class]) {
  list-style: none;
  padding: 0;
  margin: 24px 0;
}

.column-entry__content ul:not([class]) li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 12px;
  line-height: 1.8;
}

.column-entry__content ul:not([class]) li::before {
  content: '●';
  position: absolute;
  left: 0;
  color: var(--cs-primary);
  font-size: 0.75rem;
}

/* 数字付きリスト（ol） */
.column-entry__content ol:not([class]) {
  list-style: none;
  padding: 0;
  margin: 24px 0;
  counter-reset: ordered-counter;
}

.column-entry__content ol:not([class]) li {
  position: relative;
  padding-left: 36px;
  margin-bottom: 12px;
  line-height: 1.8;
  counter-increment: ordered-counter;
}

.column-entry__content ol:not([class]) li::before {
  content: counter(ordered-counter);
  position: absolute;
  left: 0;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--cs-primary);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: 50%;
}

/* チェックリスト */
.check-list {
  list-style: none;
  padding: 0;
  margin: 24px 0;
}

.check-list li {
  position: relative;
  padding-left: 36px;
  margin-bottom: 12px;
  line-height: 1.8;
}

.check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--cs-primary);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: 4px;
}

/* ステップフロー */
.step-flow {
  list-style: none;
  padding: 0;
  margin: 40px 0;
  counter-reset: step-counter;
}

.step-flow li {
  position: relative;
  padding: 24px 28px 24px 80px;
  margin-bottom: 24px;
  background: linear-gradient(135deg, rgba(93, 2, 10, 0.02) 0%, rgba(48, 61, 73, 0.02) 100%);
  border: 2px solid var(--cs-border);
  border-left: 4px solid var(--cs-primary);
  border-radius: 12px;
  line-height: 1.8;
  counter-increment: step-counter;
}

.step-flow li:last-child {
  margin-bottom: 0;
}

.step-flow li::before {
  content: 'STEP' counter(step-counter);
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--cs-primary);
  color: #fff;
  font-size: 0.625rem;
  font-weight: 700;
  border-radius: 8px;
  flex-direction: column;
  line-height: 1.2;
  letter-spacing: 0;
}

.step-flow li::after {
  content: '↓';
  position: absolute;
  left: 50%;
  bottom: -36px;
  transform: translateX(-50%);
  font-size: 1.5rem;
  color: var(--cs-primary);
  font-weight: 700;
}

.step-flow li:last-child::after {
  display: none;
}

/* メリット・デメリットリスト */
.merit-demerit {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 32px 0;
}

.merit-box,
.demerit-box {
  border: 2px solid var(--cs-border);
  border-radius: 12px;
  padding: 24px;
  background: #fff;
}

.merit-box {
  border-left: 4px solid #22c55e;
}

.demerit-box {
  border-left: 4px solid #ef4444;
}

.merit-box__title,
.demerit-box__title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.merit-box__title {
  color: #22c55e;
}

.demerit-box__title {
  color: #ef4444;
}

.merit-box__title::before {
  content: '⭕️';
  font-size: 1.25rem;
}

.demerit-box__title::before {
  content: '❌';
  font-size: 1.25rem;
}

.merit-box ul,
.demerit-box ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.merit-box li,
.demerit-box li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  line-height: 1.7;
}

.merit-box li:last-child,
.demerit-box li:last-child {
  margin-bottom: 0;
}

.merit-box li::before {
  content: '●';
  position: absolute;
  left: 0;
  color: #22c55e;
}

.demerit-box li::before {
  content: '●';
  position: absolute;
  left: 0;
  color: #ef4444;
}

/* ============================================
   2. ボックス系パーツ
   ============================================ */

/* まとめの枠（見出し付きボックス） */
.box-summary {
  background: linear-gradient(135deg, rgba(93, 2, 10, 0.02) 0%, rgba(48, 61, 73, 0.02) 100%);
  border: 2px solid var(--cs-border);
  border-left: 4px solid var(--cs-primary);
  border-radius: 12px;
  padding: 0;
  margin: 32px 0;
  overflow: hidden;
}

.box-summary__title {
  background: var(--cs-primary);
  color: #fff;
  font-size: 1.125rem;
  font-weight: 700;
  padding: 14px 20px;
  margin: 0;
}

.box-summary__content {
  padding: 24px 28px;
  color: var(--cs-text);
  line-height: 1.8;
}

.box-summary__content p {
  margin: 0 0 12px 0;
}

.box-summary__content p:last-child {
  margin-bottom: 0;
}

/* ポイント枠 */
.box-point {
  background: linear-gradient(135deg, rgba(255, 193, 7, 0.08) 0%, rgba(255, 152, 0, 0.08) 100%);
  border: 2px solid rgba(255, 193, 7, 0.3);
  border-left: 4px solid #ffc107;
  border-radius: 12px;
  padding: 20px 24px 20px 60px;
  margin: 32px 0;
  position: relative;
}

.box-point::before {
  content: '💡';
  position: absolute;
  left: 20px;
  top: 20px;
  font-size: 1.5rem;
}

.box-point__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #d97706;
  margin: 0 0 12px 0;
}

.box-point__content {
  color: var(--cs-text);
  line-height: 1.8;
  margin: 0;
}

/* 注意・警告ボックス */
.box-alert {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.08) 0%, rgba(220, 38, 38, 0.08) 100%);
  border: 2px solid rgba(239, 68, 68, 0.3);
  border-left: 4px solid #ef4444;
  border-radius: 12px;
  padding: 20px 24px 20px 60px;
  margin: 32px 0;
  position: relative;
}

.box-alert::before {
  content: '⚠️';
  position: absolute;
  left: 20px;
  top: 20px;
  font-size: 1.5rem;
}

.box-alert__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #dc2626;
  margin: 0 0 12px 0;
}

.box-alert__content {
  color: var(--cs-text);
  line-height: 1.8;
  margin: 0;
}

/* メモ・補足枠 */
.box-memo {
  background: rgba(96, 101, 107, 0.04);
  border: 2px dashed var(--cs-border);
  border-radius: 12px;
  padding: 20px 24px;
  margin: 32px 0;
}

.box-memo__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--cs-muted);
  margin: 0 0 12px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.box-memo__title::before {
  content: '📝';
  font-size: 1.25rem;
}

.box-memo__content {
  color: var(--cs-text);
  line-height: 1.8;
  margin: 0;
  font-size: 0.9375rem;
}

/* 吹き出し（会話形式） */
.speech-bubble {
  display: flex;
  gap: 16px;
  margin: 32px 0;
  align-items: flex-start;
}

.speech-bubble--reverse {
  flex-direction: row-reverse;
}

.speech-bubble__avatar {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  overflow: hidden;
  background: linear-gradient(135deg, var(--cs-primary) 0%, var(--cs-accent) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1.5rem;
}

.speech-bubble__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.speech-bubble__content {
  flex: 1;
  position: relative;
}

.speech-bubble__name {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--cs-text);
  margin-bottom: 8px;
}

.speech-bubble__text {
  background: #fff;
  border: 2px solid var(--cs-border);
  border-radius: 12px;
  padding: 16px 20px;
  position: relative;
  line-height: 1.7;
}

.speech-bubble__text::before {
  content: '';
  position: absolute;
  top: 12px;
  left: -10px;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 8px 10px 8px 0;
  border-color: transparent var(--cs-border) transparent transparent;
}

.speech-bubble__text::after {
  content: '';
  position: absolute;
  top: 14px;
  left: -6px;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 6px 8px 6px 0;
  border-color: transparent #fff transparent transparent;
}

.speech-bubble--reverse .speech-bubble__text::before {
  left: auto;
  right: -10px;
  border-width: 8px 0 8px 10px;
  border-color: transparent transparent transparent var(--cs-border);
}

.speech-bubble--reverse .speech-bubble__text::after {
  left: auto;
  right: -6px;
  border-width: 6px 0 6px 8px;
  border-color: transparent transparent transparent #fff;
}

/* ============================================
   3. 引用・レビュー系パーツ
   ============================================ */

/* シンプルな引用（既存のblockquoteを上書き） */
.column-entry__content blockquote {
  position: relative;
  border-left: 4px solid var(--cs-primary);
  background: rgba(93, 2, 10, 0.04);
  padding: 24px 28px 24px 60px;
  margin: 40px 0;
  border-radius: 0 12px 12px 0;
  font-style: italic;
}

.column-entry__content blockquote::before {
  content: '"';
  position: absolute;
  left: 16px;
  top: 16px;
  font-size: 2.5rem;
  color: var(--cs-primary);
  opacity: 0.3;
  font-family: Georgia, serif;
  line-height: 1;
}

.column-entry__content blockquote p {
  margin: 0;
  line-height: 1.8;
}

.column-entry__content blockquote cite {
  display: block;
  margin-top: 12px;
  font-size: 0.875rem;
  color: var(--cs-muted);
  font-style: normal;
}

.column-entry__content blockquote cite::before {
  content: '— ';
}

/* レビュー・口コミカード */
.review-card {
  background: #fff;
  border: 2px solid var(--cs-border);
  border-radius: 12px;
  padding: 24px;
  margin: 32px 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.review-card__header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.review-card__avatar {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  overflow: hidden;
  background: linear-gradient(135deg, var(--cs-primary) 0%, var(--cs-accent) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
}

.review-card__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.review-card__info {
  flex: 1;
}

.review-card__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--cs-text);
  margin-bottom: 4px;
}

.review-card__rating {
  color: #ffc107;
  font-size: 1rem;
  letter-spacing: 2px;
}

.review-card__text {
  color: var(--cs-text);
  line-height: 1.8;
  margin: 0;
}

/* Q&A（アコーディオン） - 既存のスタイルを維持 */

/* ============================================
   4. CV・リンク誘導系パーツ
   ============================================ */

/* CTAボタン（既存のcontent-btnを使用） */

/* ブログカード（内部リンク） */
.blog-card {
  display: flex;
  gap: 16px;
  background: #fff;
  border: 2px solid var(--cs-border);
  border-radius: 12px;
  padding: 16px;
  margin: 32px 0;
  text-decoration: none !important;
  color: var(--cs-text);
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.blog-card:hover {
  border-color: var(--cs-primary);
  box-shadow: 0 8px 24px rgba(93, 2, 10, 0.12);
  transform: translateY(-2px);
}

.blog-card__thumbnail {
  flex-shrink: 0;
  width: 120px;
  height: 120px;
  border-radius: 8px;
  overflow: hidden;
  background: var(--cs-bg);
}

.blog-card__thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-card__content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.blog-card__label {
  font-size: 0.75rem;
  color: var(--cs-primary);
  font-weight: 700;
  margin-bottom: 8px;
}

.blog-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--cs-text);
  margin-bottom: 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card__excerpt {
  font-size: 0.875rem;
  color: var(--cs-muted);
  line-height: 1.6;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 商品紹介ボックス */
.product-box {
  background: linear-gradient(135deg, rgba(93, 2, 10, 0.02) 0%, rgba(48, 61, 73, 0.02) 100%);
  border: 2px solid var(--cs-border);
  border-radius: 12px;
  padding: 24px;
  margin: 32px 0;
}

.product-box__inner {
  display: flex;
  gap: 24px;
  align-items: center;
}

.product-box__image {
  flex-shrink: 0;
  width: 160px;
  height: 160px;
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-box__image img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.product-box__content {
  flex: 1;
}

.product-box__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--cs-text);
  margin-bottom: 12px;
}

.product-box__specs {
  list-style: none;
  padding: 0;
  margin: 0 0 16px 0;
}

.product-box__specs li {
  font-size: 0.875rem;
  color: var(--cs-text);
  margin-bottom: 6px;
  padding-left: 16px;
  position: relative;
}

.product-box__specs li::before {
  content: '●';
  position: absolute;
  left: 0;
  color: var(--cs-accent);
  font-size: 0.625rem;
}

.product-box__buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.product-box__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.9375rem;
  font-weight: 700;
  text-decoration: none !important;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.product-box__btn--amazon {
  background: #ff9900;
  color: #fff !important;
}

.product-box__btn--amazon:hover {
  background: #e88900;
  transform: translateY(-2px);
}

.product-box__btn--rakuten {
  background: #bf0000;
  color: #fff !important;
}

.product-box__btn--rakuten:hover {
  background: #a00000;
  transform: translateY(-2px);
}

.product-box__btn--official {
  background: var(--cs-primary);
  color: #fff !important;
}

.product-box__btn--official:hover {
  background: #4a0208;
  transform: translateY(-2px);
}

/* ============================================
   5. データ・表・その他
   ============================================ */

/* 比較表・スペック表 */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 32px 0;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.comparison-table thead {
  background: var(--cs-primary);
  color: #fff;
}

.comparison-table th {
  padding: 16px;
  text-align: left;
  font-weight: 700;
  font-size: 0.9375rem;
}

.comparison-table tbody tr {
  border-bottom: 1px solid var(--cs-border);
}

.comparison-table tbody tr:last-child {
  border-bottom: none;
}

.comparison-table tbody tr:nth-child(even) {
  background: rgba(93, 2, 10, 0.02);
}

.comparison-table td {
  padding: 16px;
  color: var(--cs-text);
  font-size: 0.9375rem;
}

.comparison-table td:first-child {
  font-weight: 700;
  background: rgba(48, 61, 73, 0.04);
}

/* レスポンシブ対応：スクロール可能にする */
.table-wrapper {
  overflow-x: auto;
  margin: 32px 0;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

/* マーカー（蛍光ペン風） */
.marker {
  background: linear-gradient(transparent 60%, #fff59d 60%);
  font-weight: 600;
}

.marker--yellow {
  background: linear-gradient(transparent 60%, #fff59d 60%);
}

.marker--pink {
  background: linear-gradient(transparent 60%, #fce4ec 60%);
}

.marker--blue {
  background: linear-gradient(transparent 60%, #bbdefb 60%);
}

.marker--green {
  background: linear-gradient(transparent 60%, #c8e6c9 60%);
}

/* 区切り線 */
.column-entry__content hr {
  border: none;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--cs-border) 20%, var(--cs-border) 80%, transparent);
  margin: 48px 0;
}

.divider-scissors {
  border: none;
  height: 30px;
  margin: 48px 0;
  position: relative;
  text-align: center;
}

.divider-scissors::before {
  content: '✂️';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.5rem;
  background: var(--cs-bg);
  padding: 0 16px;
}

.divider-scissors::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: repeating-linear-gradient(to right, var(--cs-border) 0px, var(--cs-border) 8px, transparent 8px, transparent 16px);
}

/* ============================================
   レスポンシブ対応
   ============================================ */

@media (max-width: 768px) {
  /* メリット・デメリットを縦並び */
  .merit-demerit {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* ステップフローの調整 */
  .step-flow li {
    padding: 20px 16px 20px 64px;
  }

  .step-flow li::before {
    left: 12px;
    width: 40px;
    height: 40px;
    font-size: 0.55rem;
  }

  /* ボックス系の調整 */
  .box-point,
  .box-alert {
    padding: 16px 16px 16px 52px;
  }

  .box-point::before,
  .box-alert::before {
    left: 12px;
    font-size: 1.25rem;
  }

  /* 吹き出しの調整 */
  .speech-bubble__avatar {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }

  /* ブログカードの調整 */
  .blog-card {
    flex-direction: column;
  }

  .blog-card__thumbnail {
    width: 100%;
    height: 180px;
  }

  /* 商品ボックスの調整 */
  .product-box__inner {
    flex-direction: column;
    text-align: center;
  }

  .product-box__image {
    width: 140px;
    height: 140px;
  }

  .product-box__buttons {
    justify-content: center;
  }

  .column-related__grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   関連コラム
   ============================================ */

.column-related {
  max-width: 1200px;
  margin: 0 auto 48px;
  padding: 0 24px;
}

.column-related__inner {
  background: #fff;
  border: 1px solid var(--cs-border);
  border-radius: 16px;
  padding: 32px;
}

.column-related__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--cs-text);
  margin: 0 0 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--cs-primary);
}

.column-related__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.column-related__card {
  border: 1px solid var(--cs-border);
  border-radius: 12px;
  overflow: hidden;
  transition: box-shadow 0.3s ease, transform 0.2s ease;
}

.column-related__card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.column-related__link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.column-related__thumb {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  overflow: hidden;
  background: var(--cs-bg);
}

.column-related__thumb img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.column-related__thumb-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(93, 2, 10, 0.1) 0%, rgba(48, 61, 73, 0.1) 100%);
}

.column-related__body {
  padding: 16px;
}

.column-related__cat {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--cs-primary);
  background: rgba(93, 2, 10, 0.06);
  padding: 3px 10px;
  border-radius: 12px;
  margin-bottom: 8px;
}

.column-related__card-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--cs-text);
  line-height: 1.5;
  margin: 0 0 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.column-related__date {
  font-size: 0.75rem;
  color: var(--cs-muted);
}

@media (max-width: 1024px) {
  .column-related__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .column-related {
    padding: 0 16px;
    margin-bottom: 32px;
  }

  .column-related__inner {
    padding: 24px 16px;
  }

  .column-related__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}