/*
Theme Name: JIN (SWELL Modern Redesign Edition)
Theme URI: https://yuki-2san.com/
Description: High-performance modern site magazine styling inspired by SWELL. Clean white, slate subtle backgrounds, deep navy, sunset orange, ambient soft shadows, and refined typography. Retains 100% backward compatibility for all JIN content selectors.
Author: Yuki Hachisu / SWELL Design System
Version: 3.0.0-swell
*/

/* ==========================================================================
   1. SWELL Design System: CSS Tokens (:root)
   ========================================================================== */
:root {
  /* --- Colors: Primary, Accent, Neutrals --- */
  --swell-primary: #1E3A8A;         /* ディープネイビー (品格・知性・信頼) */
  --swell-primary-hover: #172554;   /* ホバー時ネイビー */
  --swell-primary-light: #EFF6FF;   /* 極淡ブルー (アクセント背景・選択時) */

  --swell-accent: #EA580C;          /* サンセットオレンジ (WCAG AA 適合高コントラスト) */
  --swell-accent-bright: #F97316;   /* 明るいサンセットオレンジ (グラフィック・アイコン用) */
  --swell-accent-hover: #C2410C;    /* 濃いオレンジ */
  --swell-accent-light: #FFF7ED;    /* 極淡オレンジ (バッジ・強調カード背景) */

  --swell-bg-body: #F8FAFC;         /* サイト中間背景 (Slate 50) */
  --swell-bg-card: #FFFFFF;         /* 純白カード・コンポーネント背景 */
  --swell-bg-subtle: #F1F5F9;       /* 薄いグレー帯・枠背景 (Slate 100) */

  --swell-text-main: #111827;       /* ダークチャコール (Gray 900: 可読性特化) */
  --swell-text-sub: #475569;        /* 本文・サブテキスト (Slate 600) */
  --swell-text-muted: #64748B;      /* 日付・メタ情報・フッター (Slate 500) */
  --swell-text-light: #94A3B8;      /* プレースホルダー・境界テキスト (Slate 400) */

  --swell-border: #E2E8F0;          /* 標準境界線 (Slate 200) */
  --swell-border-light: #F1F5F9;    /* 微細境界線 (Slate 100) */

  /* --- SWELL Functional Box Colors --- */
  --swell-point-border: #3B82F6;    /* ポイント枠線 (Blue 500) */
  --swell-point-bg: #EFF6FF;        /* ポイント背景 (Blue 50) */
  --swell-point-text: #1D4ED8;      /* ポイント見出し (Blue 700) */

  --swell-alert-border: #F43F5E;    /* 注意枠線 (Rose 500) */
  --swell-alert-bg: #FFF1F2;        /* 注意背景 (Rose 50) */
  --swell-alert-text: #BE123C;      /* 注意見出し (Rose 700) */

  --swell-memo-border: #F59E0B;     /* メモ枠線 (Amber 500) */
  --swell-memo-bg: #FFFBEB;         /* メモ背景 (Amber 50) */
  --swell-memo-text: #B45309;       /* メモ見出し (Amber 700) */

  --swell-success-border: #10B981;  /* 成功枠線 (Emerald 500) */
  --swell-success-bg: #ECFDF5;      /* 成功背景 (Emerald 50) */
  --swell-success-text: #047857;    /* 成功見出し (Emerald 700) */

  /* --- Backward Compatibility Aliases (JIN Legacy Variables) --- */
  --primary-color: var(--swell-accent);
  --primary-dark: var(--swell-accent-hover);
  --secondary-color: var(--swell-primary);
  --text-color: var(--swell-text-main);
  --text-muted: var(--swell-text-muted);
  --bg-color: var(--swell-bg-body);
  --card-bg: var(--swell-bg-card);
  --border-color: var(--swell-border);
  --accent-yellow: rgba(254, 240, 138, 0.65);
  --accent-cyan: rgba(186, 230, 253, 0.7);

  /* --- Typography --- */
  --swell-font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;
  --font-family: var(--swell-font-sans);
  --swell-line-height-body: 1.85;   /* 日本語長文に最適なSWELL行間 */
  --swell-letter-spacing: 0.035em;  /* 適度な空気感の字間 */

  /* --- Ambient Box Shadows (脱AI: 繊細で自然なアンビエントシャドウ) --- */
  --swell-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
  --swell-shadow-card: 0 4px 20px -2px rgba(0, 0, 0, 0.05);
  --swell-shadow-hover: 0 12px 28px -4px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.02);
  --swell-shadow-modal: 0 20px 40px -15px rgba(15, 23, 42, 0.18);

  /* --- Border Radius --- */
  --swell-radius-sm: 4px;
  --swell-radius-md: 8px;
  --swell-radius-lg: 12px;
  --swell-radius-xl: 16px;
  --swell-radius-pill: 9999px;

  /* --- Physical Deceleration Transitions (物理減速イージング) --- */
  --swell-transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  --swell-transition-fast: all 0.15s ease;
}

/* ==========================================================================
   2. Reset & Core Base
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  overflow-x: hidden;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--swell-font-sans);
  background-color: var(--swell-bg-body);
  color: var(--swell-text-main);
  line-height: var(--swell-line-height-body);
  letter-spacing: var(--swell-letter-spacing);
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-wrap: break-word;
  word-break: break-word;
}

table, pre {
  max-width: 100%;
  overflow-x: auto;
}

table {
  display: block;
  -webkit-overflow-scrolling: touch;
}

pre {
  white-space: pre-wrap;
  word-break: break-all;
}

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

a:hover {
  color: var(--swell-accent);
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

/* ==========================================================================
   3. SWELL Slim Header & Navigation
   ========================================================================== */
#header {
  background: var(--swell-bg-card);
  border-bottom: 1px solid var(--swell-border);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--swell-transition);
}

.header-container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-logo a {
  font-family: var(--swell-font-sans);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--swell-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.header-logo a:hover {
  color: var(--swell-primary-hover);
}

.header-logo a span.badge {
  background: var(--swell-accent);
  color: #ffffff;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: var(--swell-radius-pill);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.header-nav-list {
  display: flex;
  list-style: none;
  gap: 0.5rem;
  align-items: center;
}

.header-nav-list a {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--swell-text-sub);
  padding: 0.5rem 0.85rem;
  border-radius: var(--swell-radius-md);
  transition: var(--swell-transition-fast);
}

.header-nav-list a:hover,
.header-nav-list a.active {
  color: var(--swell-primary);
  background: var(--swell-primary-light);
}

.search-trigger-btn {
  background: var(--swell-bg-body);
  border: 1px solid var(--swell-border);
  color: var(--swell-text-sub);
  padding: 0.45rem 0.95rem;
  border-radius: var(--swell-radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: var(--swell-transition-fast);
  min-height: 40px;
}

.search-trigger-btn:hover {
  border-color: var(--swell-primary);
  color: var(--swell-primary);
  background: #ffffff;
}

/* Mobile Hamburger Button */
#cps-sp-nav-btn {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 10px;
  z-index: 1002;
  min-width: 44px;
  min-height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

#cps-sp-nav-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--swell-text-main);
  margin: 5px 0;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

#cps-sp-nav-btn.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
#cps-sp-nav-btn.open span:nth-child(2) {
  opacity: 0;
}
#cps-sp-nav-btn.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Drawer Nav */
#cps-sp-nav {
  display: block;
  position: fixed;
  top: 0;
  right: -300px;
  width: 280px;
  height: 100vh;
  background: #ffffff;
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.12);
  z-index: 1001;
  padding: 5rem 1.5rem 2rem;
  transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
}

#cps-sp-nav.active {
  right: 0;
}

.drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.drawer-overlay.active {
  display: block;
  opacity: 1;
}

#cps-sp-nav ul {
  list-style: none;
}

#cps-sp-nav li {
  border-bottom: 1px solid var(--swell-border-light);
  padding: 0.8rem 0;
}

#cps-sp-nav a {
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--swell-text-main);
  display: block;
}

#cps-sp-nav a:hover {
  color: var(--swell-primary);
}

/* ==========================================================================
   4. SWELL Top Page: Pickup Banners (おすすめ特集4枠グリッド)
   ========================================================================== */
.swell-pickup-section {
  max-width: 1180px;
  margin: 1.75rem auto 2.25rem;
  padding: 0 1.5rem;
}

.swell-pickup-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.swell-pickup-card {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: var(--swell-radius-md);
  overflow: hidden;
  box-shadow: var(--swell-shadow-card);
  border: 1px solid var(--swell-border);
  display: block;
  text-decoration: none;
  background: #111827;
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

.swell-pickup-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--swell-shadow-hover);
}

.swell-pickup-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.45s ease;
  opacity: 0.88;
  display: block;
}

.swell-pickup-card:hover img {
  transform: scale(1.06);
  opacity: 0.96;
}

.swell-pickup-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.88) 0%, rgba(15, 23, 42, 0.35) 50%, rgba(15, 23, 42, 0.08) 100%);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  z-index: 2;
}

.swell-pickup-badge {
  align-self: flex-start;
  background: var(--swell-accent);
  color: #ffffff;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--swell-radius-sm);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.swell-pickup-title {
  color: #ffffff;
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.45;
  margin: 0;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.45);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ==========================================================================
   5. SWELL Top Page: Concept Hero Bar (品格ある案内帯 / 脱AIグラデーション)
   ========================================================================== */
.swell-hero-bar {
  background: var(--swell-bg-card);
  border: 1px solid var(--swell-border);
  border-left: 6px solid var(--swell-primary);
  border-radius: var(--swell-radius-lg);
  padding: 1.75rem 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--swell-shadow-card);
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.swell-hero-bar h1 {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--swell-primary);
  margin: 0;
  letter-spacing: -0.01em;
}

.swell-hero-bar p {
  font-size: 0.95rem;
  color: var(--swell-text-sub);
  margin: 0;
  line-height: 1.65;
}

/* ==========================================================================
   6. SWELL Magazine Tabs (新着 ＆ カテゴリ別タブ)
   ========================================================================== */
.swell-tabs-nav {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--swell-border);
  overflow-x: auto;
  white-space: nowrap;
  padding-bottom: 2px;
}

.swell-tab-btn {
  background: transparent;
  border: none;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--swell-text-muted);
  padding: 0.65rem 1.25rem;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: var(--swell-transition-fast);
  font-family: inherit;
}

.swell-tab-btn:hover {
  color: var(--swell-primary);
}

.swell-tab-btn.active {
  color: var(--swell-primary);
  border-bottom-color: var(--swell-accent);
}

/* ==========================================================================
   7. Main Layout & 2-Column Grid
   ========================================================================== */
.site-wrapper {
  max-width: 1180px;
  margin: 2rem auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 2.5rem;
  align-items: start;
}

.site-wrapper.full-width {
  grid-template-columns: 1fr;
  max-width: 860px;
}

.main-content {
  min-width: 0;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* ==========================================================================
   8. Breadcrumbs (パンくずリスト)
   ========================================================================== */
.cps-breadcrumbs {
  font-size: 0.85rem;
  color: var(--swell-text-muted);
  margin-bottom: 1.5rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--swell-border-light);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.cps-breadcrumbs a {
  color: var(--swell-text-muted);
}

.cps-breadcrumbs a:hover {
  color: var(--swell-primary);
}

.cps-breadcrumbs .separator {
  color: var(--swell-text-light);
}

/* ==========================================================================
   9. Post List & Magazine Post Cards
   ========================================================================== */
.post-list-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.post-card {
  background: var(--swell-bg-card);
  border: 1px solid var(--swell-border);
  border-radius: var(--swell-radius-lg);
  overflow: hidden;
  box-shadow: var(--swell-shadow-card);
  transition: var(--swell-transition);
  display: flex;
  flex-direction: column;
}

.post-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--swell-shadow-hover);
  border-color: #cbd5e1;
}

.post-card-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--swell-bg-subtle);
}

.post-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: block;
}

.post-card:hover .post-card-thumb img {
  transform: scale(1.04);
}

.post-card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex-grow: 1;
}

.post-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--swell-text-main);
  margin: 0.4rem 0 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card-title a {
  color: inherit;
  text-decoration: none;
}

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

.post-card-excerpt {
  font-size: 0.86rem;
  color: var(--swell-text-sub);
  line-height: 1.65;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--swell-text-muted);
  border-top: 1px dashed var(--swell-border-light);
  padding-top: 0.75rem;
}

.cps-post-cat-badge {
  display: inline-block;
  background: var(--swell-primary-light);
  color: var(--swell-primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: var(--swell-radius-sm);
  margin-bottom: 0.6rem;
  transition: var(--swell-transition-fast);
}

.cps-post-cat-badge:hover {
  background: var(--swell-primary);
  color: #ffffff;
}

/* ==========================================================================
   10. Article Detail (.cps-post-main) & SWELL Headings (H2 / H3 / H4)
   ========================================================================== */
.cps-post-main {
  background: var(--swell-bg-card);
  border: 1px solid var(--swell-border);
  border-radius: var(--swell-radius-xl);
  padding: 3rem 2.5rem;
  box-shadow: var(--swell-shadow-card);
  margin-bottom: 2.5rem;
}

.cps-post-header {
  margin-bottom: 2.25rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--swell-border);
}

.cps-post-title {
  font-size: 1.85rem;
  font-weight: 800;
  line-height: 1.45;
  color: var(--swell-text-main);
  margin: 0.75rem 0 1rem;
  letter-spacing: -0.01em;
}

.cps-post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.85rem;
  color: var(--swell-text-muted);
}

.cps-post-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.cps-post-eyecatch {
  margin: 1.75rem 0 2.25rem;
  border-radius: var(--swell-radius-lg);
  overflow: hidden;
  box-shadow: var(--swell-shadow-card);
}

.cps-post-eyecatch img {
  width: 100%;
  height: auto;
  display: block;
}

/* SWELL風 H2見出し (標準: 左線 ＋ 下線 スタイル) */
.cps-post-main h2, .swell-h2 {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--swell-text-main);
  background: transparent;
  border-left: 6px solid var(--swell-primary);
  border-bottom: 1px solid var(--swell-border);
  padding: 0.65rem 0 0.65rem 1rem;
  margin: 3.5rem 0 1.5rem;
  line-height: 1.5;
  letter-spacing: 0.03em;
}

/* SWELL風 H2見出し (帯バンドスタイル: オプション) */
.cps-post-main h2.band-style, .swell-h2-band {
  background: var(--swell-bg-body);
  border-left: 6px solid var(--swell-accent);
  border-bottom: none;
  border-radius: 0 var(--swell-radius-md) var(--swell-radius-md) 0;
  padding: 0.85rem 1.25rem;
  color: var(--swell-primary);
}

/* SWELL風 H3見出し (左アクセントラインスタイル) */
.cps-post-main h3, .swell-h3 {
  font-size: 1.22rem;
  font-weight: 700;
  color: var(--swell-text-main);
  border: none;
  border-bottom: none;
  position: relative;
  padding-left: 14px;
  padding-bottom: 0.25rem;
  margin: 2.5rem 0 1rem;
  line-height: 1.5;
}

.cps-post-main h3::before, .swell-h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  background: var(--swell-accent);
  border-radius: 2px;
}

/* H4見出し */
.cps-post-main h4 {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--swell-text-main);
  margin: 2rem 0 0.85rem;
  position: relative;
  padding-left: 12px;
}

.cps-post-main h4::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  bottom: 5px;
  width: 3px;
  background: var(--swell-primary);
  border-radius: 2px;
}

/* Paragraphs, Lists, Blockquotes */
.cps-post-main p {
  margin-bottom: 1.65rem;
  font-size: 1.02rem;
  line-height: var(--swell-line-height-body);
  color: var(--swell-text-main);
}

.cps-post-main ul, .cps-post-main ol {
  margin: 1.5rem 0 1.75rem 1.75rem;
  line-height: 1.85;
}

.cps-post-main li {
  margin-bottom: 0.5rem;
  color: var(--swell-text-main);
}

.cps-post-main blockquote {
  border-left: 4px solid var(--swell-border);
  background: var(--swell-bg-body);
  padding: 1.15rem 1.5rem;
  margin: 2rem 0;
  border-radius: 0 var(--swell-radius-md) var(--swell-radius-md) 0;
  color: var(--swell-text-sub);
  font-style: normal;
  line-height: 1.8;
}

/* ==========================================================================
   11. SWELL Concept Boxes (要点囲み枠 1〜6: フローティング角丸ピルバッジ)
   ========================================================================== */
.concept-box1, .concept-box2, .concept-box3, .concept-box4, .concept-box5, .concept-box6,
.swell-box {
  position: relative;
  margin: 2.25rem 0;
  padding: 1.6rem 1.5rem 1.35rem;
  border-radius: var(--swell-radius-md);
  box-shadow: var(--swell-shadow-sm);
  font-size: 0.98rem;
  line-height: 1.8;
}

.cps-box-title, .swell-box-title {
  position: absolute;
  top: -13px;
  left: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  padding: 2px 10px;
  border-radius: var(--swell-radius-pill);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
  text-transform: uppercase;
}

/* Box 1: Point / Check (青) */
.concept-box1, .swell-box-point {
  border: 1.5px solid var(--swell-point-border);
  background: var(--swell-point-bg);
}
.concept-box1 .cps-box-title, .swell-box-point .swell-box-title {
  background: var(--swell-point-text);
}

/* Box 2: Alert / Caution (赤・ローズ) */
.concept-box2, .swell-box-alert {
  border: 1.5px solid var(--swell-alert-border);
  background: var(--swell-alert-bg);
}
.concept-box2 .cps-box-title, .swell-box-alert .swell-box-title {
  background: var(--swell-alert-text);
}

/* Box 3: Memo / Info (黄・アンバー) */
.concept-box3, .swell-box-memo {
  border: 1.5px solid var(--swell-memo-border);
  background: var(--swell-memo-bg);
}
.concept-box3 .cps-box-title, .swell-box-memo .swell-box-title {
  background: var(--swell-memo-text);
}

/* Box 4: Success / Summary (緑) */
.concept-box4, .swell-box-success {
  border: 1.5px solid var(--swell-success-border);
  background: var(--swell-success-bg);
}
.concept-box4 .cps-box-title, .swell-box-success .swell-box-title {
  background: var(--swell-success-text);
}

/* Box 5: Simple Gray Frame */
.concept-box5, .swell-box-simple {
  border: 1px solid var(--swell-border);
  border-left: 5px solid var(--swell-text-muted);
  background: var(--swell-bg-body);
}
.concept-box5 .cps-box-title {
  background: var(--swell-text-muted);
}

/* Box 6: Modern Info Box (ディープネイビー) */
.concept-box6, .swell-box-info {
  border: 1px solid var(--swell-border);
  border-left: 5px solid var(--swell-primary);
  background: var(--swell-bg-body);
}
.concept-box6 .cps-box-title {
  background: var(--swell-primary);
}

/* ==========================================================================
   12. SWELL Chat Balloons (会話吹き出し: ソラ / ゆきにいさん)
   ========================================================================== */
.cps-chat-box, .swell-balloon-wrapper {
  margin: 2rem 0;
  width: 100%;
}

.cps-chat-area, .swell-balloon-area {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.cps-chat-icon, .swell-balloon-icon {
  flex-shrink: 0;
  width: 60px;
  text-align: center;
}

.cps-chat-icon img, .swell-balloon-icon img {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #ffffff;
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  display: block;
  margin: 0 auto;
}

.cps-chat-icon span, .swell-balloon-icon span {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--swell-text-sub);
  margin-top: 5px;
  line-height: 1.2;
}

.cps-chat-text, .swell-balloon-text {
  position: relative;
  background: var(--swell-bg-card);
  border: 1.5px solid var(--swell-border);
  border-radius: var(--swell-radius-lg);
  padding: 1.1rem 1.35rem;
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--swell-text-main);
  max-width: 82%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

/* 左吹き出し (ソラ・聞き手) */
.cps-chat-box-left .cps-chat-text::before,
.swell-balloon-left .swell-balloon-text::before {
  content: "";
  position: absolute;
  top: 20px;
  left: -9px;
  border-style: solid;
  border-width: 8px 9px 8px 0;
  border-color: transparent var(--swell-border) transparent transparent;
}
.cps-chat-box-left .cps-chat-text::after,
.swell-balloon-left .swell-balloon-text::after {
  content: "";
  position: absolute;
  top: 21px;
  left: -7px;
  border-style: solid;
  border-width: 7px 8px 7px 0;
  border-color: transparent var(--swell-bg-card) transparent transparent;
}

/* 右吹き出し (ゆきにいさん・語り手: ほんのり暖色トーン) */
.cps-chat-box-right .cps-chat-area,
.swell-balloon-right .swell-balloon-area {
  flex-direction: row-reverse;
}

.cps-chat-box-right .cps-chat-text,
.swell-balloon-right .swell-balloon-text {
  background: var(--swell-accent-light);
  border-color: #FED7AA;
}

.cps-chat-box-right .cps-chat-text::before,
.swell-balloon-right .swell-balloon-text::before {
  content: "";
  position: absolute;
  top: 20px;
  right: -9px;
  border-style: solid;
  border-width: 8px 0 8px 9px;
  border-color: transparent transparent transparent #FED7AA;
}
.cps-chat-box-right .cps-chat-text::after,
.swell-balloon-right .swell-balloon-text::after {
  content: "";
  position: absolute;
  top: 21px;
  right: -7px;
  border-style: solid;
  border-width: 7px 0 7px 8px;
  border-color: transparent transparent transparent var(--swell-accent-light);
}

/* ==========================================================================
   13. SWELL Highlighter Markers (リアルな下部グラデーション蛍光マーカー)
   ========================================================================== */
.marker, strong.marker, span.marker, .swell-marker-yellow {
  background: linear-gradient(transparent 60%, rgba(254, 240, 138, 0.65) 60%);
  font-weight: 700;
  padding: 0 2px;
}

.marker2, strong.marker2, span.marker2, .swell-marker-orange {
  background: linear-gradient(transparent 60%, rgba(253, 186, 116, 0.6) 60%);
  font-weight: 700;
  padding: 0 2px;
}

.marker3, strong.marker3, span.marker3, .swell-marker-blue {
  background: linear-gradient(transparent 60%, rgba(186, 230, 253, 0.7) 60%);
  font-weight: 700;
  padding: 0 2px;
}

/* ==========================================================================
   14. SWELL Table of Contents (TOC: 美麗目次)
   ========================================================================== */
#toc_container, .swell-toc {
  background: var(--swell-bg-body);
  border: 1px solid var(--swell-border);
  border-radius: var(--swell-radius-lg);
  padding: 1.5rem 1.75rem;
  margin: 2.5rem 0;
  box-shadow: var(--swell-shadow-sm);
}

.toc_title, .swell-toc-title {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--swell-primary);
  margin-bottom: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--swell-border);
  padding-bottom: 0.5rem;
}

.toc_toggle_btn {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--swell-text-muted);
  cursor: pointer;
  border: 1px solid var(--swell-border);
  background: #ffffff;
  padding: 6px 14px;
  border-radius: var(--swell-radius-sm);
  transition: var(--swell-transition-fast);
  min-height: 36px;
  min-width: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.toc_toggle_btn:hover {
  color: var(--swell-primary);
  border-color: var(--swell-primary);
}

.toc_list, .swell-toc-list {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.toc_list li {
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
  line-height: 1.65;
}

.toc_list li a {
  color: var(--swell-text-main);
  text-decoration: none;
  transition: var(--swell-transition-fast);
}

.toc_list li a:hover {
  color: var(--swell-primary);
  text-decoration: underline;
}

.toc_list ul {
  list-style: none;
  padding-left: 1.25rem;
  margin-top: 0.4rem;
}

.toc_list ul li {
  font-size: 0.88rem;
  color: var(--swell-text-sub);
}

/* ==========================================================================
   15. Blogcard (ブログカード)
   ========================================================================== */
.blogcard {
  margin: 2rem 0;
  border: 1px solid var(--swell-border);
  border-radius: var(--swell-radius-lg);
  overflow: hidden;
  background: var(--swell-bg-card);
  box-shadow: var(--swell-shadow-card);
  transition: var(--swell-transition);
}

.blogcard:hover {
  transform: translateY(-2px);
  box-shadow: var(--swell-shadow-hover);
  border-color: #cbd5e1;
}

.blogcard a {
  display: flex;
  color: inherit;
  text-decoration: none;
}

.blogcard-thumb {
  width: 160px;
  flex-shrink: 0;
  background: var(--swell-bg-subtle);
}

.blogcard-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.blogcard-content {
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.blogcard-title {
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--swell-primary);
  margin-bottom: 0.4rem;
  line-height: 1.45;
}

.blogcard-excerpt {
  font-size: 0.82rem;
  color: var(--swell-text-sub);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ==========================================================================
   16. SWELL Profile Card (サイドバー / 記事下部著者ボックス)
   ========================================================================== */
.widget-profile, .cps-author-box {
  background: var(--swell-bg-card);
  border: 1px solid var(--swell-border);
  border-radius: var(--swell-radius-lg);
  padding: 2rem 1.5rem;
  box-shadow: var(--swell-shadow-card);
  text-align: center;
  position: relative;
  overflow: hidden;
  margin: 2.5rem 0;
}

.widget-profile::before, .cps-author-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--swell-primary), var(--swell-accent));
}

.widget-profile-img, .cps-author-icon img {
  width: 86px;
  height: 86px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0.5rem auto 1rem;
  border: 3px solid #ffffff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  display: block;
}

.widget-profile-name, .cps-author-name {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--swell-text-main);
  margin-bottom: 0.25rem;
}

.widget-profile-role {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--swell-accent);
  letter-spacing: 0.04em;
  margin-bottom: 0.85rem;
}

.widget-profile-text, .cps-author-desc {
  font-size: 0.88rem;
  color: var(--swell-text-sub);
  line-height: 1.7;
  text-align: left;
  margin-bottom: 1.25rem;
}

.cps-author-sns {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.cps-author-sns a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.4rem 0.9rem;
  border-radius: var(--swell-radius-pill);
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--swell-bg-body);
  border: 1px solid var(--swell-border);
  color: var(--swell-text-sub);
  transition: var(--swell-transition-fast);
}

.cps-author-sns a:hover {
  background: var(--swell-primary);
  border-color: var(--swell-primary);
  color: #ffffff;
}

.widget-profile-btn {
  display: block;
  background: var(--swell-primary);
  color: #ffffff;
  padding: 0.65rem 1.25rem;
  border-radius: var(--swell-radius-pill);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  transition: var(--swell-transition);
  box-shadow: 0 2px 6px rgba(30, 58, 138, 0.2);
}

.widget-profile-btn:hover {
  background: var(--swell-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
  color: #ffffff;
}

/* ==========================================================================
   17. Post Navigation (Prev / Next) & Related Posts
   ========================================================================== */
.post-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin: 3rem 0;
}

.post-nav-item {
  background: var(--swell-bg-card);
  border: 1px solid var(--swell-border);
  border-radius: var(--swell-radius-md);
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  transition: var(--swell-transition);
  box-shadow: var(--swell-shadow-sm);
  text-decoration: none;
}

.post-nav-item:hover {
  border-color: var(--swell-primary);
  transform: translateY(-2px);
  box-shadow: var(--swell-shadow-card);
}

.post-nav-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--swell-text-muted);
  margin-bottom: 0.35rem;
}

.post-nav-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--swell-text-main);
  line-height: 1.45;
}

.related-posts {
  margin: 3rem 0;
}

.related-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--swell-primary);
  margin-bottom: 1.25rem;
  border-bottom: 2px solid var(--swell-primary);
  padding-bottom: 0.5rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.related-card {
  background: var(--swell-bg-card);
  border: 1px solid var(--swell-border);
  border-radius: var(--swell-radius-md);
  overflow: hidden;
  transition: var(--swell-transition);
  box-shadow: var(--swell-shadow-sm);
}

.related-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--swell-shadow-card);
}

.related-thumb {
  height: 125px;
  background: var(--swell-bg-subtle);
}

.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.related-info {
  padding: 0.85rem;
}

.related-card-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--swell-text-main);
  line-height: 1.45;
}

/* ==========================================================================
   18. Pagination
   ========================================================================== */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin: 3.5rem 0;
}

.pagination a, .pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  padding: 0 12px;
  border-radius: var(--swell-radius-md);
  font-weight: 700;
  font-size: 0.92rem;
  background: var(--swell-bg-card);
  border: 1px solid var(--swell-border);
  color: var(--swell-text-main);
  transition: var(--swell-transition-fast);
  text-decoration: none;
}

.pagination .current {
  background: var(--swell-primary);
  color: #ffffff;
  border-color: var(--swell-primary);
}

.pagination a:hover {
  background: var(--swell-primary-light);
  border-color: var(--swell-primary);
  color: var(--swell-primary);
}

/* ==========================================================================
   19. Sidebar Widgets
   ========================================================================== */
.widget {
  background: var(--swell-bg-card);
  border: 1px solid var(--swell-border);
  border-radius: var(--swell-radius-lg);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--swell-shadow-card);
}

.widget-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--swell-primary);
  margin-bottom: 1.15rem;
  padding-bottom: 0.45rem;
  border-bottom: 2px solid var(--swell-border);
  position: relative;
}

.widget-title::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--swell-accent);
}

.widget-list {
  list-style: none;
}

.widget-list li {
  border-bottom: 1px solid var(--swell-border-light);
  padding: 0.65rem 0;
}

.widget-list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--swell-text-sub);
  font-size: 0.92rem;
  font-weight: 500;
}

.widget-list a:hover {
  color: var(--swell-primary);
}

.widget-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.widget-tags a {
  font-size: 0.8rem;
  padding: 4px 10px;
  background: var(--swell-bg-body);
  border: 1px solid var(--swell-border);
  border-radius: var(--swell-radius-pill);
  color: var(--swell-text-sub);
  transition: var(--swell-transition-fast);
}

.widget-tags a:hover {
  background: var(--swell-primary);
  border-color: var(--swell-primary);
  color: #ffffff;
}

/* ==========================================================================
   20. Contact Form Styles
   ========================================================================== */
.contact-form-container {
  max-width: 680px;
  margin: 1.5rem auto;
  padding: 2.25rem;
  background: var(--swell-bg-card);
  border: 1px solid var(--swell-border);
  border-radius: var(--swell-radius-lg);
  box-shadow: var(--swell-shadow-card);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--swell-text-main);
  font-size: 0.95rem;
}

.form-group label .required {
  color: var(--swell-alert-border);
  font-size: 0.85em;
  margin-left: 4px;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 1.5px solid var(--swell-border);
  border-radius: var(--swell-radius-md);
  box-sizing: border-box;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
  background: #ffffff;
  color: var(--swell-text-main);
}

.form-control:focus {
  outline: none;
  border-color: var(--swell-primary);
  box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.12);
}

.submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.95rem 1.5rem;
  font-size: 1.18rem;
  font-weight: 700;
  color: #ffffff;
  background: #C2410C;
  border: none;
  border-radius: var(--swell-radius-md);
  cursor: pointer;
  transition: var(--swell-transition);
  box-shadow: 0 2px 8px rgba(194, 65, 12, 0.25);
  text-decoration: none;
  min-height: 48px;
}

.submit-btn:hover {
  background: #9A3412;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(154, 52, 18, 0.35);
  color: #ffffff;
}

.submit-btn:disabled {
  background: var(--swell-text-light);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.status-message {
  padding: 1rem 1.25rem;
  border-radius: var(--swell-radius-md);
  margin-bottom: 1.5rem;
  display: none;
  font-size: 0.95rem;
}

.status-success {
  background: var(--swell-success-bg);
  border: 1px solid var(--swell-success-border);
  color: var(--swell-success-text);
}

.status-error {
  background: var(--swell-alert-bg);
  border: 1px solid var(--swell-alert-border);
  color: var(--swell-alert-text);
}

/* ==========================================================================
   21. Search Modal (Fuse.js)
   ========================================================================== */
.search-modal {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: none;
  justify-content: center;
  align-items: flex-start;
  padding-top: 10vh;
}

.search-modal.active {
  display: flex;
}

.search-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(6px);
}

.search-modal-content {
  position: relative;
  width: 90%;
  max-width: 620px;
  background: #ffffff;
  border-radius: var(--swell-radius-xl);
  box-shadow: var(--swell-shadow-modal);
  overflow: hidden;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  z-index: 10;
}

.search-input-wrapper {
  display: flex;
  align-items: center;
  padding: 1.15rem 1.5rem;
  border-bottom: 2px solid var(--swell-primary);
}

#searchInput {
  width: 100%;
  border: none;
  font-size: 1.15rem;
  outline: none;
  color: var(--swell-text-main);
  font-family: inherit;
  background: transparent;
}

.search-close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--swell-text-muted);
  cursor: pointer;
  padding: 0 0.5rem;
  transition: color 0.15s;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.search-close-btn:hover {
  color: var(--swell-text-main);
}

.search-results-list {
  overflow-y: auto;
  padding: 1rem;
}

.search-item {
  padding: 0.85rem 1.15rem;
  border-radius: var(--swell-radius-md);
  transition: background 0.15s;
  margin-bottom: 0.5rem;
  text-decoration: none;
  display: block;
  color: inherit;
}

.search-item:hover {
  background: var(--swell-bg-body);
}

.search-item-title {
  font-weight: 700;
  color: var(--swell-primary);
  margin-bottom: 0.25rem;
  font-size: 0.98rem;
}

.search-item-summary {
  font-size: 0.85rem;
  color: var(--swell-text-sub);
  line-height: 1.5;
}

.search-placeholder {
  text-align: center;
  color: var(--swell-text-muted);
  padding: 2.5rem 1.5rem;
  font-size: 0.95rem;
}

/* ==========================================================================
   22. SWELL Modern Footer
   ========================================================================== */
#footer {
  background: #0F172A;
  color: #F8FAFC;
  padding: 3.5rem 0 2rem;
  margin-top: 4.5rem;
  border-top: 1px solid #1E293B;
}

.footer-container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
}

.footer-brand h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: #FFFFFF;
  letter-spacing: -0.01em;
}

.footer-brand p {
  font-size: 0.88rem;
  color: #94A3B8;
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #FFFFFF;
  border-bottom: 1px solid #334155;
  padding-bottom: 0.4rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.5rem;
}

.footer-col a {
  color: #94A3B8;
  font-size: 0.88rem;
  transition: color 0.15s;
}

.footer-col a:hover {
  color: #FFFFFF;
}

.copyright {
  text-align: center;
  padding-top: 2rem;
  margin-top: 2.5rem;
  border-top: 1px solid #1E293B;
  font-size: 0.82rem;
  color: #94A3B8;
}

/* ==========================================================================
   23. Responsive Breakpoints (1024px, 768px, 640px, 480px)
   ========================================================================== */
@media (max-width: 1024px) {
  .site-wrapper {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .sidebar {
    margin-top: 1rem;
  }
  .swell-pickup-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.85rem;
  }
  .footer-container {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .header-nav-list {
    display: none;
  }
  #cps-sp-nav-btn {
    display: flex;
  }
  .cps-post-main {
    padding: 2rem 1.25rem;
  }
  .cps-post-title {
    font-size: 1.45rem;
  }
  .post-list-grid {
    grid-template-columns: 1fr;
  }
  .footer-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .post-navigation {
    grid-template-columns: 1fr;
  }
  .widget-profile, .cps-author-box {
    padding: 1.75rem 1.25rem;
  }
  .cps-chat-text, .swell-balloon-text {
    max-width: 78%;
  }

  /* ==========================================================================
     SWELL Pickup Banners: Mobile 1-Row Horizontal Swipe Carousel (768px以下)
     ========================================================================== */
  .swell-pickup-section {
    margin: 0.75rem auto 1rem;
    padding: 0;
    max-width: 100%;
  }

  .swell-pickup-grid {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 0.75rem;
    padding: 0.25rem 1rem 0.75rem;
    margin: 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .swell-pickup-grid::-webkit-scrollbar {
    display: none;
  }

  .swell-pickup-card {
    flex: 0 0 72%;
    max-width: 280px;
    min-width: 220px;
    aspect-ratio: 16 / 9;
    scroll-snap-align: start;
    scroll-snap-stop: normal;
  }

  .swell-pickup-overlay {
    padding: 0.75rem;
  }

  .swell-pickup-badge {
    font-size: 0.62rem;
    padding: 2px 6px;
  }

  .swell-pickup-title {
    font-size: 0.85rem;
    line-height: 1.4;
  }
}

@media (max-width: 640px) {
  .header-container {
    padding: 0.75rem 1rem;
  }
  .header-logo a {
    font-size: 1.2rem;
  }
  .swell-hero-bar {
    padding: 1.25rem;
  }
  .swell-hero-bar h1 {
    font-size: 1.25rem;
  }
  .cps-post-main {
    padding: 1.75rem 1rem;
    border-radius: var(--swell-radius-lg);
  }
  .cps-post-main h2, .swell-h2 {
    font-size: 1.25rem;
    margin: 2.5rem 0 1rem;
  }
  .cps-post-main h3, .swell-h3 {
    font-size: 1.1rem;
    margin: 2rem 0 0.85rem;
  }
  .cps-chat-area, .swell-balloon-area {
    gap: 10px;
  }
  .cps-chat-icon, .swell-balloon-icon {
    width: 50px;
  }
  .cps-chat-icon img, .swell-balloon-icon img {
    width: 48px;
    height: 48px;
  }
  .cps-chat-text, .swell-balloon-text {
    max-width: 76%;
    padding: 0.85rem 1rem;
    font-size: 0.92rem;
  }
}

@media (max-width: 480px) {
  .cps-chat-text, .swell-balloon-text {
    max-width: 72%;
  }
}

/* ==========================================================================
   24. Accessibility & Responsive Defensive Patch (WCAG AA & Touch Target Compliant)
   ========================================================================== */
body, .cps-post-main, .cps-chat-text, .concept-box1, .concept-box2,
.concept-box3, .concept-box4, .concept-box5, .concept-box6, table {
  overflow-wrap: break-word;
  word-break: break-word;
}

@media (max-width: 768px) {
  .search-trigger-btn {
    min-height: 40px;
    padding: 0.5rem 0.85rem;
  }
}

@media (max-width: 480px) {
  .header-container {
    padding: 0.65rem 0.85rem;
  }
  .header-logo a {
    font-size: 1.1rem;
  }
}