/* ==========================================================================
   薬屋DX奮戦記 - スタイルシート
   シンプル・清潔・読みやすい・少し温かい・専門家だが堅すぎないデザイン
   ========================================================================== */

:root {
  /* カラーパレット：清潔な白と優しい薬局グリーン・温かみのあるアースカラー */
  --color-bg: #fbfbf9;
  --color-surface: #ffffff;
  --color-surface-soft: #f4f6f3;
  --color-border: #e3e7e2;
  --color-border-hover: #c4cdc1;

  --color-primary: #2d6a4f;        /* 落ち着いた薬草・森林グリーン */
  --color-primary-light: #e8f3ee;  /* 優しいミントグリーン */
  --color-primary-dark: #1b4332;
  --color-accent: #d97736;         /* 試行錯誤・情熱のウォームアンバー */
  --color-accent-light: #fdf3eb;

  --color-text: #2b302c;           /* 柔らかいダークグリーンがかった墨色 */
  --color-text-muted: #5f6b62;     /* 補足用グレー */
  --color-text-light: #87948b;

  --color-tag-bg: #edf2ee;
  --color-tag-text: #2d6a4f;

  /* タイポグラフィ */
  --font-base: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "BIZ UDPGothic", "Yu Gothic", Meiryo, sans-serif;
  --font-heading: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "BIZ UDPGothic", sans-serif;
  --font-mono: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace;

  --font-size-base: 1.0625rem; /* 17px スマホでも読みやすい */
  --line-height-base: 1.85;

  /* 余白・サイズ */
  --container-width: 1040px;
  --article-width: 760px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  /* 影 */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.03), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.03);
  --shadow-hover: 0 8px 24px rgba(45, 106, 79, 0.08);

  /* トランジション */
  --transition: all 0.2s ease-in-out;
}

/* リセット & 基本設定 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* アクセシビリティ：フォーカス表示 */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* レイアウト */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

.main-content {
  flex: 1;
  padding: 40px 0 80px;
}

/* ==========================================================================
   ヘッダー & ナビゲーション
   ========================================================================== */
.site-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand-title {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-title .badge-role {
  font-size: 0.75rem;
  font-weight: 600;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  padding: 2px 8px;
  border-radius: 20px;
  vertical-align: middle;
}

.brand-tagline {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* ナビゲーションメニュー */
.main-nav ul {
  display: flex;
  list-style: none;
  gap: 6px;
  align-items: center;
}

.nav-link {
  display: block;
  padding: 10px 14px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  text-decoration: none;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.nav-link:hover {
  background-color: var(--color-surface-soft);
  color: var(--color-primary);
  text-decoration: none;
}

.nav-link.active {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

/* モバイルメニュートグル */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  cursor: pointer;
  color: var(--color-text);
  min-width: 48px;
  min-height: 44px;
}

/* ==========================================================================
   TOPページ専用要素
   ========================================================================== */
.hero-section {
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
  padding: 40px 0 30px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 50px;
}

.hero-box {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.hero-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
}

.hero-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-accent);
  background-color: var(--color-accent-light);
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 14px;
}

.hero-title {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  line-height: 1.35;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 20px;
  line-height: 1.5;
}

.hero-desc {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text-muted);
  max-width: 800px;
}

/* カテゴリナビゲーションカード（4大導線） */
.section-nav-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 60px;
}

.nav-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-decoration: none;
  color: var(--color-text);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.nav-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary);
  text-decoration: none;
}

.nav-card-icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.nav-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 6px;
}

.nav-card-desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* セクション共通見出し */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 28px;
  border-bottom: 2px solid var(--color-primary-light);
  padding-bottom: 12px;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* 記事カード一覧 */
.post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 50px;
}

.post-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  text-decoration: none;
  color: var(--color-text);
}

.post-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-border-hover);
  text-decoration: none;
}

.post-card-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--color-text-light);
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.badge-category {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-weight: 700;
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 4px;
}

.badge-category.system {
  background: #fef3c7;
  color: #92400e;
}

.badge-category.ai {
  background: #e0e7ff;
  color: #3730a3;
}

.badge-category.challenge {
  background: #fce7f3;
  color: #9d174d;
}

.post-card-title {
  font-size: 1.18rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--color-text);
  margin-bottom: 10px;
}

.post-card:hover .post-card-title {
  color: var(--color-primary);
}

.post-card-excerpt {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
  flex: 1;
}

.post-card-footer {
  margin-top: auto;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ==========================================================================
   記事個別ページレイアウト
   ========================================================================== */
.article-wrapper {
  max-width: var(--article-width);
  margin: 0 auto;
}

/* パンくずリスト */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 24px;
  list-style: none;
}

.breadcrumb li+li::before {
  content: "›";
  margin-right: 8px;
  color: var(--color-border-hover);
}

.breadcrumb a {
  color: var(--color-text-muted);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

/* 記事ヘッダー */
.article-header {
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.article-title {
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1.35;
  color: var(--color-primary-dark);
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.date-group {
  display: flex;
  gap: 14px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.tag-item {
  font-size: 0.78rem;
  background-color: var(--color-tag-bg);
  color: var(--color-tag-text);
  padding: 3px 10px;
  border-radius: 20px;
  text-decoration: none;
}

.tag-item:hover {
  background-color: var(--color-primary-light);
  text-decoration: none;
}

/* 記事本文スタイル */
.article-content {
  font-size: 1.0625rem;
  line-height: 1.9;
  color: #24292e;
}

.article-content > * + * {
  margin-top: 1.6em;
}

.article-content h2 {
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  border-left: 5px solid var(--color-primary);
  padding: 6px 0 6px 14px;
  margin-top: 2.4em;
  margin-bottom: 1em;
  line-height: 1.4;
  background: linear-gradient(to right, var(--color-primary-light), transparent);
}

.article-content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text);
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 6px;
  margin-top: 2em;
  margin-bottom: 0.8em;
  line-height: 1.45;
}

.article-content h4 {
  font-size: 1.12rem;
  font-weight: 700;
  margin-top: 1.6em;
  margin-bottom: 0.6em;
}

.article-content p {
  line-height: 1.95;
}

.article-content ul,
.article-content ol {
  padding-left: 24px;
}

.article-content li {
  margin-bottom: 0.5em;
  line-height: 1.8;
}

.article-content blockquote {
  background-color: var(--color-surface-soft);
  border-left: 4px solid var(--color-accent);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--color-text-muted);
  margin: 1.8em 0;
}

.article-content code {
  font-family: var(--font-mono);
  background-color: #f1f3f1;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
  color: #c7254e;
}

.article-content pre {
  background-color: #212529;
  color: #f8f9fa;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 1.8em 0;
}

.article-content pre code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 2em 0;
  font-size: 0.95rem;
}

.article-content th,
.article-content td {
  border: 1px solid var(--color-border);
  padding: 12px 14px;
  text-align: left;
}

.article-content th {
  background-color: var(--color-surface-soft);
  font-weight: 700;
  color: var(--color-primary-dark);
}

/* 自作システム専用の7ステップ（困っていたこと〜次に改善したいこと） */
.system-flow-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 2em 0;
  box-shadow: var(--shadow-sm);
}

.system-step {
  position: relative;
  padding-left: 42px;
  margin-bottom: 24px;
}

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

.system-step::before {
  content: attr(data-step);
  position: absolute;
  left: 0;
  top: 0;
  width: 30px;
  height: 30px;
  background-color: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
}

.system-step::after {
  content: "";
  position: absolute;
  left: 14px;
  top: 32px;
  bottom: -16px;
  width: 2px;
  background-color: var(--color-border);
}

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

.system-step-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 6px;
}

/* コールアウト（奮戦・失敗談・気づき・注意） */
.callout {
  border-radius: var(--radius-md);
  padding: 20px 22px;
  margin: 1.8em 0;
  border-left: 5px solid;
}

.callout-struggle {
  background-color: #fff9f5;
  border-color: var(--color-accent);
}

.callout-struggle-title {
  color: var(--color-accent);
  font-weight: 700;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.callout-tip {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary);
}

.callout-tip-title {
  color: var(--color-primary-dark);
  font-weight: 700;
  margin-bottom: 6px;
}

/* 前後の記事ナビゲーション */
.post-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 50px 0 40px;
  padding-top: 30px;
  border-top: 1px solid var(--color-border);
}

.nav-prev, .nav-next {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.nav-prev:hover, .nav-next:hover {
  border-color: var(--color-primary);
  text-decoration: none;
  background-color: var(--color-surface-soft);
}

.nav-next {
  text-align: right;
  margin-left: auto;
  width: 100%;
}

.nav-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-light);
  margin-bottom: 4px;
}

.nav-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.4;
}

/* 関連記事 */
.related-posts {
  margin-top: 50px;
  padding-top: 30px;
  border-top: 2px solid var(--color-border);
}

.related-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 20px;
}

/* TOPへ戻るボタン */
.back-to-top-box {
  text-align: center;
  margin: 40px 0;
}

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 12px 28px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  min-height: 48px;
}

.btn-back:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
  border-color: var(--color-primary);
  text-decoration: none;
}

/* ==========================================================================
   フッター
   ========================================================================== */
.site-footer {
  background-color: #222924;
  color: #cfd8d1;
  padding: 60px 0 30px;
  font-size: 0.92rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand-title {
  color: #ffffff;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.footer-desc {
  line-height: 1.7;
  color: #a4b3a8;
  font-size: 0.88rem;
  margin-bottom: 16px;
}

.footer-medical-note {
  background: rgba(255, 255, 255, 0.05);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  line-height: 1.6;
  color: #9cb1a2;
}

.footer-section-title {
  color: #ffffff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 14px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #b0c0b4;
  text-decoration: none;
}

.footer-links a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.82rem;
  color: #7b8e80;
}

/* ==========================================================================
   404 & 一覧ページ
   ========================================================================== */
.page-intro {
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}

.page-title {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-bottom: 10px;
}

.page-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
}

.empty-message {
  text-align: center;
  padding: 60px 20px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}

/* ==========================================================================
   レスポンシブ対応（スマホ・タブレット）
   ========================================================================== */
@media (max-width: 960px) {
  .section-nav-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .post-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 640px) {
  :root {
    --font-size-base: 1rem;
  }

  .site-header .container {
    flex-wrap: wrap;
    padding: 12px 16px;
  }

  .mobile-nav-toggle {
    display: block;
  }

  .main-nav {
    display: none;
    width: 100%;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--color-border);
  }

  .main-nav.is-open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .nav-link {
    padding: 12px 16px;
  }

  .hero-box {
    padding: 24px 20px;
  }

  .hero-title {
    font-size: 1.65rem;
  }

  .hero-subtitle {
    font-size: 1.08rem;
  }

  .section-nav-grid {
    grid-template-columns: 1fr;
  }

  .post-grid {
    grid-template-columns: 1fr;
  }

  .article-title {
    font-size: 1.55rem;
  }

  .post-navigation {
    grid-template-columns: 1fr;
  }

  .nav-next {
    text-align: left;
  }
}

/* ==========================================================================
   インタラクティブ体験シミュレーター (処方箋監査・相互作用チェッカー)
   ========================================================================== */

.interactive-demo-card {
  background: #ffffff;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 24px rgba(22, 101, 52, 0.12);
  margin: 2.4em 0;
  overflow: hidden;
  font-family: inherit;
}

.demo-header {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #ffffff;
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.demo-header-title {
  font-size: 1.15rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.demo-badge-live {
  background: #ef4444;
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 9999px;
  animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.85; transform: scale(0.98); }
}

.demo-body {
  padding: 24px;
}

.demo-instruction {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  line-height: 1.6;
}

.demo-preset-group {
  margin-bottom: 20px;
}

.demo-preset-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
  display: block;
}

.demo-preset-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.demo-btn-preset {
  background: var(--color-surface-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 8px 14px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.demo-btn-preset:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
}

.demo-btn-preset.active {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary-dark);
}

.demo-input-section {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 20px;
}

.demo-selected-drugs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 42px;
  align-items: center;
  margin-bottom: 12px;
}

.demo-drug-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 9999px;
  padding: 5px 12px;
  font-size: 0.88rem;
  font-weight: 600;
  color: #1e293b;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.demo-drug-chip .remove-drug {
  background: none;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  padding: 0;
}

.demo-drug-chip .remove-drug:hover {
  color: #ef4444;
}

.demo-add-box {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.demo-select-drug {
  flex: 1;
  min-width: 180px;
  padding: 9px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  background: #ffffff;
}

.demo-btn-add {
  background: var(--color-surface-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 9px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
}

.demo-btn-check {
  width: 100%;
  background: linear-gradient(135deg, #16a34a, #15803d);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  padding: 14px;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(22, 163, 74, 0.25);
  transition: all var(--transition-fast);
}

.demo-btn-check:hover {
  background: linear-gradient(135deg, #15803d, #166534);
  transform: translateY(-1px);
}

.demo-result-area {
  margin-top: 20px;
  display: none;
}

.demo-alert-banner {
  border-radius: var(--radius-md);
  padding: 18px 20px;
  margin-bottom: 14px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.demo-alert-danger {
  background: #fef2f2;
  border: 2px solid #ef4444;
  color: #991b1b;
}

.demo-alert-warning {
  background: #fffbeb;
  border: 2px solid #f59e0b;
  color: #92400e;
}

.demo-alert-safe {
  background: #f0fdf4;
  border: 2px solid #22c55e;
  color: #166534;
}

.demo-alert-icon {
  font-size: 1.8rem;
  line-height: 1;
}

.demo-alert-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.demo-alert-detail {
  font-size: 0.92rem;
  line-height: 1.6;
}

.demo-audit-explanation {
  background: #f8fafc;
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 14px 18px;
  font-size: 0.88rem;
  color: var(--color-text);
  line-height: 1.6;
}

/* ==========================================================================
   臨床・薬効力価換算シミュレーター用スタイル
   ========================================================================== */
.converter-container {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  margin: 32px 0;
}

.converter-tabs {
  display: flex;
  background: #f1f5f9;
  border-bottom: 2px solid var(--color-border);
  overflow-x: auto;
}

.converter-tab-btn {
  flex: 1;
  min-width: 120px;
  padding: 14px 16px;
  border: none;
  background: none;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
  border-bottom: 3px solid transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.converter-tab-btn:hover {
  background: #e2e8f0;
  color: var(--color-text);
}

.converter-tab-btn.active {
  background: var(--color-surface);
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.converter-body {
  padding: 24px;
}

.converter-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

@media (max-width: 640px) {
  .converter-grid {
    grid-template-columns: 1fr;
  }
}

.converter-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.converter-field label {
  font-size: 0.88rem;
  font-weight: 700;
  color: #334155;
  display: flex;
  justify-content: space-between;
}

.converter-field select,
.converter-field input {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  background: #ffffff;
  outline: none;
  transition: border-color 0.2s;
}

.converter-field select:focus,
.converter-field input:focus {
  border-color: var(--color-primary);
}

.converter-optional-group {
  background: #f8fafc;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 20px;
}

.converter-optional-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-text-muted);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.converter-result-card {
  background: #f0fdf4;
  border: 2px solid #86efac;
  border-radius: var(--radius-md);
  padding: 20px;
  margin-top: 20px;
  animation: popIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.converter-result-header {
  font-size: 0.85rem;
  font-weight: 700;
  color: #166534;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.converter-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

@media (max-width: 640px) {
  .converter-values {
    grid-template-columns: 1fr;
  }
}

.converter-val-box {
  background: #ffffff;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
}

.converter-val-label {
  font-size: 0.78rem;
  color: #64748b;
  font-weight: 600;
  margin-bottom: 4px;
}

.converter-val-number {
  font-size: 1.6rem;
  font-weight: 800;
  color: #14532d;
  line-height: 1.2;
}

.converter-val-number.recommended {
  color: #b45309;
}

.converter-warning-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.converter-warning-item {
  background: #fff7ed;
  border-left: 4px solid #f97316;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 10px 14px;
  font-size: 0.88rem;
  font-weight: 700;
  color: #9a3412;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.converter-warning-item.danger {
  background: #fef2f2;
  border-left-color: #ef4444;
  color: #991b1b;
}

/* ==========================================================================
   LINE風・生チャット対話吹き出しスタイル
   ========================================================================== */
.chat-container {
  background: #f1f5f9;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px 18px;
  margin: 28px 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.chat-scene-title {
  text-align: center;
  font-size: 0.82rem;
  font-weight: 700;
  color: #64748b;
  background: #e2e8f0;
  padding: 4px 12px;
  border-radius: 20px;
  align-self: center;
  letter-spacing: 0.03em;
}

.chat-row {
  display: flex;
  gap: 12px;
  max-width: 88%;
}

.chat-row-user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.chat-row-ai {
  align-self: flex-start;
}

.chat-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.chat-avatar-user {
  background: #dcfce7;
  border: 2px solid #22c55e;
}

.chat-avatar-ai {
  background: #e0f2fe;
  border: 2px solid #0284c7;
}

.chat-avatar-dx {
  background: #fee2e2;
  border: 2px solid #ef4444;
}

.chat-content-wrap {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.chat-sender {
  font-size: 0.75rem;
  font-weight: 700;
  color: #64748b;
}

.chat-row-user .chat-sender {
  text-align: right;
  color: #166534;
}

.chat-bubble {
  padding: 12px 16px;
  border-radius: 14px;
  font-size: 0.95rem;
  line-height: 1.6;
  position: relative;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.chat-bubble-user {
  background: #166534;
  color: #ffffff;
  border-bottom-right-radius: 2px;
}

.chat-bubble-ai {
  background: #ffffff;
  color: var(--color-text);
  border: 1px solid #e2e8f0;
  border-bottom-left-radius: 2px;
}

.chat-bubble-dx {
  background: #fff1f2;
  color: #881337;
  border: 1px solid #fecdd3;
  border-bottom-left-radius: 2px;
}

.chat-code-snippet {
  background: #1e293b;
  color: #f8fafc;
  padding: 10px 12px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  margin-top: 8px;
  overflow-x: auto;
}