/* brand_facts/index.css */

.bf-page {
  min-height: 100vh;
  background-color: #f0f5ff;
  font-family:
    "Zen Kaku Gothic New", "Hiragino Maru Gothic Pro", "Yu Gothic", "Meiryo",
    sans-serif;
  color: #1e293b;
}

/* Header */
.bf-header {
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 60%, #3b82f6 100%);
  padding: 56px 24px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.bf-header::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 280px;
  height: 280px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 50%;
}

.bf-header::after {
  content: "";
  position: absolute;
  bottom: -80px;
  left: -40px;
  width: 220px;
  height: 220px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 50%;
}

.bf-header-label {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  color: #bfdbfe;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.bf-header-title {
  color: #ffffff;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.4;
  margin: 0 0 12px;
  position: relative;
  z-index: 1;
}

.bf-header-subtitle {
  color: #bfdbfe;
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
  position: relative;
  z-index: 1;
}

/* Main content */
.bf-main {
  max-width: 780px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

/* Article card */
.bf-article {
  background: #ffffff;
  border-radius: 16px;
  border-left: 4px solid #3b82f6;
  box-shadow: 0 2px 16px rgba(37, 99, 235, 0.08);
  padding: 40px 44px;
  margin-bottom: 32px;
  transition: box-shadow 0.2s ease;
}

.bf-article:hover {
  box-shadow: 0 4px 24px rgba(37, 99, 235, 0.14);
}

/* =====================
   Markdown body
   ===================== */

/* h2 - セクション見出し */
.bf-article .markdown-body h2 {
  font-size: 18px;
  font-weight: 700;
  color: #1e3a8a;
  margin: 40px 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid #dbeafe;
  line-height: 1.5;
}

.bf-article .markdown-body h2:first-child {
  margin-top: 0;
}

/* h3 - サブセクション見出し */
.bf-article .markdown-body h3 {
  font-size: 15px;
  font-weight: 700;
  color: #2563eb;
  margin: 28px 0 10px;
  padding-left: 10px;
  border-left: 3px solid #93c5fd;
  line-height: 1.5;
}

/* p - 本文 */
.bf-article .markdown-body p {
  font-size: 15px;
  line-height: 1.9;
  color: #334155;
  margin: 0 0 14px;
}

.bf-article .markdown-body p:last-child {
  margin-bottom: 0;
}

/* strong */
.bf-article .markdown-body strong {
  color: #1e293b;
  font-weight: 700;
}

/* =====================
   ol - 番号付きリスト
   ===================== */

.bf-article .markdown-body ol {
  list-style: decimal;
  padding-left: 24px;
  margin: 16px 0 24px;
}

/* シンプルな ol > li（ステップ説明等） */
.bf-article .markdown-body ol > li {
  margin-bottom: 12px;
  font-size: 15px;
  line-height: 1.85;
  color: #334155;
}

.bf-article .markdown-body ol > li > p {
  margin: 0 0 6px;
}

/* ol > li:has(> ul)（レビュー等、nested ul を持つ番号項目） */
.bf-article .markdown-body ol > li:has(> ul) {
  margin-bottom: 24px;
}

.bf-article .markdown-body ol > li:has(> ul) > p:first-child > strong {
  color: #1e40af;
  font-size: 15px;
  font-weight: 700;
}

/* ol 内の sub-text（strong の後続テキスト段落） */
.bf-article .markdown-body ol > li:has(> ul) > p:not(:first-child) {
  font-size: 14px;
  color: #64748b;
  margin: 0 0 8px;
}

/* ol > li > ul（レビュー引用ブロック） */
.bf-article .markdown-body ol > li > ul {
  list-style: none;
  padding-left: 0;
  border-left: none;
  margin: 8px 0 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.bf-article .markdown-body ol > li > ul > li {
  background: #f8fafc;
  border-left: 3px solid #bfdbfe;
  border-radius: 0 6px 6px 0;
  padding: 10px 14px;
  margin: 0;
  font-size: 14px;
  color: #475569;
  line-height: 1.8;
  font-style: italic;
}

.bf-article .markdown-body ol > li > ul > li > p {
  margin: 0;
  font-size: 14px;
  color: #475569;
  font-style: italic;
}

/* =====================
   ul - リスト
   ===================== */

/* 外側 ul（リスト全体） */
.bf-article .markdown-body ul {
  list-style: none;
  padding-left: 0;
  margin: 16px 0 24px;
}

/* 外側 li（ネスト付き：**タイトル** + サブリスト / シンプル行） */
.bf-article .markdown-body ul > li {
  margin-bottom: 6px;
  padding-left: 0;
}

/* ネスト付き li（strong タイトル行 + 内側 ul を持つ） */
.bf-article .markdown-body ul > li:has(> ul) {
  margin-bottom: 20px;
}

/* **タイトル** 行（ li > p > strong のみ） */
.bf-article .markdown-body ul > li:has(> ul) > p {
  margin: 0 0 8px;
}

.bf-article .markdown-body ul > li:has(> ul) > p > strong {
  display: inline-block;
  color: #1e40af;
  font-size: 15px;
  font-weight: 700;
  padding: 4px 10px;
  background: #eff6ff;
  border-left: 3px solid #3b82f6;
  border-radius: 0 4px 4px 0;
}

/* 内側 ul（詳細リスト） */
.bf-article .markdown-body ul > li > ul {
  margin: 4px 0 0 4px;
  padding-left: 16px;
  border-left: 2px solid #dbeafe;
}

/* 内側 li */
.bf-article .markdown-body ul > li > ul > li {
  margin-bottom: 8px;
  position: relative;
}

.bf-article .markdown-body ul > li > ul > li > p {
  font-size: 14px;
  line-height: 1.85;
  color: #475569;
  margin: 0;
}

/* シンプルな li（ネストなし、section 4 等） */
.bf-article .markdown-body ul > li:not(:has(> ul)) {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
}

.bf-article .markdown-body ul > li:not(:has(> ul))::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  background: #3b82f6;
  border-radius: 50%;
}

.bf-article .markdown-body ul > li:not(:has(> ul)) > p {
  margin: 0;
  font-size: 15px;
  color: #334155;
}

/* =====================
   Other elements
   ===================== */

.bf-article .markdown-body a {
  color: #2563eb;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.bf-article .markdown-body a:hover {
  color: #1d4ed8;
}

.bf-article .markdown-body code {
  background: #eff6ff;
  color: #1d4ed8;
  font-size: 13px;
  padding: 2px 6px;
  border-radius: 4px;
}

.bf-article .markdown-body pre {
  background: #1e293b;
  color: #e2e8f0;
  padding: 20px 24px;
  border-radius: 10px;
  overflow-x: auto;
  margin: 16px 0;
}

.bf-article .markdown-body pre code {
  background: none;
  color: inherit;
  padding: 0;
}

.bf-article .markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}

.bf-article .markdown-body th {
  background: #dbeafe;
  color: #1e3a8a;
  padding: 10px 16px;
  text-align: left;
  font-weight: 700;
}

.bf-article .markdown-body td {
  padding: 10px 16px;
  border-bottom: 1px solid #e2e8f0;
  color: #334155;
}

.bf-article .markdown-body tr:last-child td {
  border-bottom: none;
}

/* Footer */
.bf-footer {
  text-align: center;
  padding: 24px;
  color: #94a3b8;
  font-size: 13px;
  border-top: 1px solid #e2e8f0;
}

/* Responsive */
@media (max-width: 640px) {
  .bf-header {
    padding: 40px 20px 36px;
  }

  .bf-header-title {
    font-size: 22px;
  }

  .bf-main {
    padding: 32px 16px 60px;
  }

  .bf-article {
    padding: 28px 20px;
  }
}