/*
Theme Name: Poker Lab
Theme URI: https://example.com
Author: Poker Lab Team
Author URI: https://example.com
Description: ポーカー戦略メディア「ポーカーナビ」用カスタムテーマ。GEO/AIO最適化対応。
Version: 2.4.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: poker-lab
Tags: blog, custom-menu, featured-images, translation-ready, responsive
*/

/* ============================================
   CSS Custom Properties — Premium Sports Media
   ============================================ */
:root {
  /* Colors — Vibrant Red + Gold + Dark */
  --color-primary: #ef4444;
  --color-primary-dark: #dc2626;
  --color-primary-deep: #b91c1c;
  --color-primary-light: rgba(239, 68, 68, 0.1);
  --color-accent: #f59e0b;
  --color-accent-hover: #d97706;
  --color-accent-light: rgba(245, 158, 11, 0.1);

  --color-text: #1a1a2e;
  --color-text-secondary: #6b7280;
  --color-text-muted: #9ca3af;

  --color-bg: #fafafa;
  --color-bg-white: #ffffff;
  --color-bg-light: #f3f4f6;
  --color-bg-sidebar: #f3f4f6;

  --color-dark: #111827;
  --color-dark-light: #1f2937;
  --color-dark-deep: #0f172a;
  --color-navy: #0f172a;
  --color-navy-light: #1e293b;

  --color-success: #059669;

  --color-border: #e5e7eb;
  --color-border-light: #f3f4f6;
  --color-border-dark: #1f2937;

  --color-selection: rgba(239, 68, 68, 0.12);

  --font-body: 'Noto Sans JP', 'Inter', sans-serif;
  --font-head: 'Inter', 'Noto Sans JP', sans-serif;
  --font-mono: 'Source Code Pro', 'Consolas', monospace;

  --container-width: 1200px;
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul,
ol {
  padding-left: 1.5em;
}

::selection {
  background: var(--color-selection);
  color: var(--color-dark);
}

/* ============================================
   Utility
   ============================================ */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section-pad {
  padding: 80px 0;
}

/* ============================================
   Layout
   ============================================ */
.site-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-content {
  flex: 1;
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px;
}

/* ============================================
   Header — Sticky Dark with Red Border
   ============================================ */
.site-header {
  background: var(--color-dark);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 3px solid var(--color-primary);
}

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 0;
}

.site-branding {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  margin-right: 8px;
}

.site-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-title a {
  color: #fff;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-title a:hover {
  color: #fff;
}

.site-logo {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.6rem;
  letter-spacing: 0.08em;
  color: #fff;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-accent {
  color: var(--color-primary);
}

.logo-badge {
  background: var(--color-primary);
  color: #fff;
  font-size: 0.55rem;
  padding: 2px 6px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  vertical-align: top;
  margin-top: -4px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  margin-left: 8px;
}

.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid #374151;
  color: #9ca3af;
  padding: 7px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.menu-toggle:hover {
  color: #fff;
  border-color: #9ca3af;
}

/* ============================================
   Desktop Navigation (inline in header)
   ============================================ */
.header-nav-bar {
  background: var(--color-dark);
  border-bottom: 1px solid var(--color-border-dark);
}

.main-navigation {
  display: block;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.main-navigation ul,
.main-navigation .menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: row;
  gap: 4px;
  white-space: nowrap;
  max-width: var(--container-width);
  margin: 0 auto;
}

.main-navigation li {
  flex-shrink: 0;
}

.main-navigation a {
  display: flex;
  align-items: center;
  height: 64px;
  padding: 0 14px;
  color: #9ca3af;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 3px solid transparent;
  transition: all 0.15s;
  position: relative;
}

.main-navigation a:hover,
.main-navigation .current-menu-item > a {
  color: #fff;
  background: rgba(239, 68, 68, 0.15);
}

.main-navigation .current-menu-item > a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-primary);
}

/* Nav styles from demo */
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  color: #9ca3af;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 8px 14px;
  transition: all 0.15s;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: #fff;
  background: rgba(239, 68, 68, 0.15);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-primary);
}

.nav-cta {
  background: var(--color-primary);
  color: #fff !important;
  padding: 8px 18px;
  font-weight: 800;
  margin-left: 8px;
}

.nav-cta:hover {
  background: var(--color-primary-dark);
}

/* Desktop: show only first 5 category items (skip home) + hide overflow */
@media (min-width: 960px) {
  .main-navigation li:first-child {
    display: none;
  }

  .main-navigation li:nth-child(n+7) {
    display: none;
  }
}

/* ============================================
   Mobile Menu Toggle
   ============================================ */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  margin: 5px 0;
  transition: 0.3s;
}

/* ============================================
   Mobile Navigation Drawer
   ============================================ */
.mobile-nav-drawer {
  display: none;
  background: var(--color-dark);
  border-top: 1px solid var(--color-border-dark);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.mobile-nav-drawer.open {
  display: block;
  max-height: 600px;
}

.mobile-nav-drawer .mobile-menu {
  list-style: none;
  margin: 0;
  padding: 8px 0;
}

.mobile-nav-drawer .mobile-menu li {
  border-bottom: 1px solid var(--color-border-dark);
}

.mobile-nav-drawer .mobile-menu li:last-child {
  border-bottom: none;
}

.mobile-nav-drawer .mobile-menu a {
  display: block;
  padding: 12px 24px;
  color: #9ca3af;
  font-size: 0.875rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.mobile-nav-drawer .mobile-menu a:hover,
.mobile-nav-drawer .mobile-menu .current-menu-item > a {
  color: #fff;
  background: rgba(239, 68, 68, 0.12);
  text-decoration: none;
}

/* Hide desktop nav on mobile, show only hamburger */
@media (max-width: 959px) {
  .main-navigation {
    display: none;
  }

  .main-nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-dark);
    border-top: 1px solid var(--color-border-dark);
    flex-direction: column;
    padding: 16px;
    z-index: 999;
  }

  .main-nav.open {
    display: flex;
  }

  .nav-link {
    padding: 12px 16px;
    width: 100%;
  }

  .nav-cta {
    margin-left: 0;
    text-align: center;
  }

  .mobile-toggle {
    display: block;
  }
}

/* ============================================
   Search
   ============================================ */
.header-search {
  position: relative;
}

.header-search-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid #374151;
  color: #9ca3af;
  cursor: pointer;
  padding: 7px;
  transition: all var(--transition-fast);
}

.header-search-toggle:hover {
  color: #fff;
  border-color: #9ca3af;
}

.header-search-form {
  display: none;
  position: absolute;
  right: 0;
  top: 100%;
  margin-top: 8px;
  z-index: 100;
}

.header-search.active .header-search-form {
  display: block;
}

.header-search-form input[type="search"] {
  width: 280px;
  padding: 8px 14px;
  border: 1px solid var(--color-border-dark);
  font-family: var(--font-body);
  font-size: 0.875rem;
  outline: none;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  background: var(--color-dark-light);
  color: #fff;
}

.header-search-form input[type="search"]:focus {
  border-color: var(--color-primary);
}

.header-search-form .search-form {
  display: flex;
  align-items: center;
  gap: 4px;
}

.header-search-form .search-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-primary);
  background: var(--color-primary);
  color: #fff;
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.header-search-form .search-submit:hover {
  background: var(--color-primary-dark);
}

/* ============================================
   Breadcrumbs
   ============================================ */
.breadcrumbs {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 12px 24px 0;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.breadcrumbs a {
  color: var(--color-text-muted);
  text-decoration: none;
}

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

.breadcrumbs .separator {
  margin: 0 6px;
  color: var(--color-border);
}

.breadcrumbs .current {
  color: var(--color-text-secondary);
  font-weight: 500;
  display: inline-block;
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  vertical-align: bottom;
}

/* ============================================
   Hero — Split Layout with Diagonal Lines
   ============================================ */
.hero,
.front-hero {
  background: var(--color-dark);
  position: relative;
  overflow: hidden;
  min-height: 520px;
}

.hero::before,
.front-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 60%;
  height: 200%;
  background: linear-gradient(135deg, transparent 40%, rgba(239, 68, 68, 0.06) 40%, rgba(239, 68, 68, 0.06) 42%, transparent 42%);
  pointer-events: none;
}

.hero::after,
.front-hero::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -5%;
  width: 55%;
  height: 200%;
  background: linear-gradient(135deg, transparent 40%, rgba(239, 68, 68, 0.03) 40%, rgba(239, 68, 68, 0.03) 43%, transparent 43%);
  pointer-events: none;
}

.hero-inner,
.front-hero-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 60px 20px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-text {}

.hero-badge,
.front-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--color-primary);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 14px;
  margin-bottom: 24px;
}

.hero-badge::before,
.front-hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: pulse-dot 1.5s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 3rem;
  line-height: 1.15;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.front-hero h2 {
  font-family: var(--font-head);
  font-size: 2.25rem;
  color: #fff;
  margin: 0 0 1rem;
  line-height: 1.3;
  font-weight: 900;
  background: none;
  border: none;
  padding: 0;
  border-left: none;
}

.hero-title .line {
  display: block;
}

.hero-title .accent {
  color: var(--color-primary);
}

.hero-title .gold {
  color: var(--color-accent);
}

.hero-sub {
  color: #9ca3af;
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 440px;
}

.front-hero p {
  color: #9ca3af;
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Buttons */
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  font-weight: 800;
  font-size: 0.88rem;
  padding: 14px 32px;
  letter-spacing: 0.04em;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  color: #fff;
}

.btn-outline {
  border: 2px solid #374151;
  color: #d1d5db;
  font-weight: 700;
  font-size: 0.88rem;
  padding: 12px 28px;
  letter-spacing: 0.04em;
  transition: all 0.2s;
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-white {
  background: #fff;
  color: var(--color-primary);
  font-weight: 800;
  font-size: 0.92rem;
  padding: 16px 40px;
  letter-spacing: 0.04em;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-white:hover {
  background: #f9fafb;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* Hero featured card */
.hero-featured {}

.hero-card {
  background: var(--color-dark-light);
  position: relative;
  overflow: hidden;
  clip-path: polygon(8% 0, 100% 0, 100% 100%, 0 100%);
}

.hero-card-image {
  width: 100%;
  height: 320px;
  background: linear-gradient(135deg, #1a1a2e 0%, #2d1b3d 50%, #1a1a2e 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero-card-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-primary);
}

.card-suit-display {
  font-size: 5rem;
  opacity: 0.15;
  color: #fff;
  letter-spacing: 0.5em;
  font-weight: 900;
}

.hero-card-body {
  padding: 28px 28px 28px 36px;
}

.hero-card-cat {
  color: var(--color-primary);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.hero-card-title {
  color: #fff;
  font-weight: 800;
  font-size: 1.25rem;
  line-height: 1.4;
  margin-bottom: 12px;
}

.hero-card-meta {
  color: #6b7280;
  font-size: 0.78rem;
  display: flex;
  gap: 16px;
}

/* Hero Stats Bar */
.hero-stats,
.front-hero-stats {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(17, 24, 39, 0.95);
  border-top: 1px solid var(--color-dark-light);
  z-index: 10;
}

.stats-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  justify-content: space-around;
}

.front-hero-stats {
  display: flex;
  justify-content: space-around;
  padding: 16px 20px;
}

.stat-item,
.front-hero-stat {
  text-align: center;
}

.stat-num,
.front-hero-stat .stat-value {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  display: block;
  line-height: 1.1;
}

.stat-label,
.front-hero-stat .stat-label {
  color: #6b7280;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 2px;
  display: block;
}

/* ============================================
   Ticker / Breaking News
   ============================================ */
.ticker {
  background: var(--color-dark-deep);
  border-bottom: 1px solid var(--color-navy-light);
  overflow: hidden;
  white-space: nowrap;
}

.ticker-inner {
  display: flex;
  align-items: center;
  height: 44px;
}

.ticker-label {
  background: var(--color-primary);
  color: #fff;
  font-weight: 800;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 12px 20px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 6px;
}

.ticker-label::before {
  content: '';
  width: 6px;
  height: 6px;
  background: #fff;
  border-radius: 50%;
}

.ticker-scroll {
  display: flex;
  animation: ticker-scroll 40s linear infinite;
  padding-left: 20px;
}

.ticker-item {
  color: #d1d5db;
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0 32px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.ticker-item::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--color-primary);
  border-radius: 50%;
  flex-shrink: 0;
}

.ticker-item:hover {
  color: var(--color-primary);
}

@keyframes ticker-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================
   Section Headers
   ============================================ */
.section-header,
.front-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--color-border);
}

.section-title,
.front-section-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-text);
  margin: 0;
}

.section-title::before {
  content: '';
  width: 4px;
  height: 28px;
  background: var(--color-primary);
  flex-shrink: 0;
}

.section-more,
.front-section-more {
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  transition: 0.15s;
}

.section-more:hover,
.front-section-more:hover {
  color: var(--color-primary-dark);
}

/* ============================================
   Front Page Sections
   ============================================ */
.front-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 56px 24px;
}

.featured-section {
  background: var(--color-bg);
}

/* ============================================
   Featured Grid — Asymmetric 1.4fr 1fr
   ============================================ */
.featured-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
}

.featured-card {
  background: var(--color-bg-white);
  border-left: 4px solid var(--color-primary);
  position: relative;
  overflow: hidden;
  transition: all 0.2s;
  cursor: pointer;
}

.featured-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.featured-card-img {
  height: 280px;
  background: linear-gradient(135deg, #1a1a2e, #2d1b3d);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.featured-card-img.small {
  height: 180px;
}

.featured-card-img::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.6));
}

.card-visual {
  font-size: 3.5rem;
  color: rgba(255, 255, 255, 0.08);
  font-weight: 900;
  letter-spacing: 0.3em;
}

.featured-card-img.small .card-visual {
  font-size: 2.5rem;
}

.featured-card-body {
  padding: 24px;
}

.card-cat {
  color: var(--color-primary);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 10px;
  display: inline-block;
}

.card-cat.gold {
  color: var(--color-accent);
}

.card-cat.dark {
  color: #6b7280;
}

.card-title {
  font-weight: 800;
  font-size: 1.2rem;
  line-height: 1.45;
  margin-bottom: 10px;
  color: var(--color-dark);
}

.featured-card:first-child .card-title {
  font-size: 1.4rem;
}

.card-excerpt {
  color: #6b7280;
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 14px;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  color: #9ca3af;
  font-size: 0.75rem;
  font-weight: 500;
}

.card-meta-divider {
  color: #d1d5db;
}

.read-time {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ============================================
   Article Cards (WordPress post-card)
   ============================================ */
.post-card {
  background: var(--color-bg-white);
  overflow: hidden;
  border-left: 4px solid var(--color-primary);
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
}

.post-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.post-card-thumbnail {
  height: 200px;
  background: linear-gradient(135deg, #1a1a2e, #2d1b3d);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1.25rem;
  font-family: var(--font-head);
  letter-spacing: 0.05em;
  width: 100%;
  object-fit: cover;
  overflow: hidden;
  position: relative;
}

/* Red accent stripe on images */
.post-card-thumbnail::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-primary);
  z-index: 1;
}

.post-card-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-card-body {
  padding: 24px 24px 20px;
  display: flex;
  flex-direction: column;
}

.post-card-category {
  display: inline-block;
  font-size: 0.625rem;
  font-weight: 800;
  color: #fff;
  background: var(--color-primary);
  padding: 2px 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
  align-self: flex-start;
}

.post-card-title {
  margin: 0 0 10px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.5;
  flex: 1;
}

.post-card-title a {
  color: var(--color-text);
}

.post-card:hover .post-card-title a,
.post-card-title a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.post-card-title a::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
}

.post-card-excerpt {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card-meta {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  padding-top: 12px;
  border-top: 1px solid var(--color-border-light);
}

/* Placeholder Thumbnails (Poker Categories) */
.post-card-thumbnail.cat-beginner {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.post-card-thumbnail.cat-strategy {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.post-card-thumbnail.cat-tax {
  background: linear-gradient(135deg, #374151 0%, #1f2937 100%);
}

.post-card-thumbnail.cat-legal {
  background: linear-gradient(135deg, #374151 0%, #111827 100%);
}

.post-card-thumbnail.cat-tournament {
  background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

.post-card-thumbnail.cat-mental {
  background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
}

.post-card-thumbnail.cat-tool {
  background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
}

.post-card-thumbnail.cat-news {
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
}

.post-card-thumbnail.cat-default {
  background: linear-gradient(135deg, #64748b 0%, #475569 100%);
}

/* Featured post-card variant */
.post-card.featured .post-card-body {
  padding: 28px 28px 24px;
}

.post-card.featured .post-card-title {
  font-size: 1.1rem;
}

.post-card.featured .post-card-excerpt {
  -webkit-line-clamp: 3;
}

/* ============================================
   Category Sections — Colored Header Bars
   ============================================ */
.category-section {
  border-top: 1px solid var(--color-border);
}

.cat-header-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
  padding-bottom: 14px;
  border-bottom: 3px solid var(--color-primary);
}

.cat-header-bar.gold {
  border-bottom-color: var(--color-accent);
}

.cat-header-bar.dark {
  border-bottom-color: #374151;
}

.cat-icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 900;
  font-size: 1.1rem;
}

.cat-header-bar.gold .cat-icon {
  background: var(--color-accent);
}

.cat-header-bar.dark .cat-icon {
  background: #374151;
}

.cat-title-text {
  font-weight: 900;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.cat-count {
  color: #9ca3af;
  font-size: 0.75rem;
  font-weight: 600;
  margin-left: auto;
}

/* Category cards grid — numbered cards */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.cat-card {
  background: var(--color-bg-white);
  border-left: 4px solid var(--color-primary);
  padding: 24px;
  transition: all 0.2s;
  cursor: pointer;
  position: relative;
}

.cat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.cat-card.gold-border {
  border-left-color: var(--color-accent);
}

.cat-card.dark-border {
  border-left-color: #374151;
}

/* Large gray numbers */
.cat-card-num {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 2.2rem;
  color: #f3f4f6;
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -0.04em;
}

.cat-card-title {
  font-weight: 800;
  font-size: 1rem;
  line-height: 1.5;
  margin-bottom: 8px;
  color: var(--color-dark);
}

.cat-card-desc {
  color: #6b7280;
  font-size: 0.82rem;
  line-height: 1.65;
  margin-bottom: 12px;
}

.cat-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.tag {
  background: #f3f4f6;
  color: #6b7280;
  font-size: 0.68rem;
  font-weight: 600;
  padding: 3px 8px;
}

.tag.red {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-primary);
}

.tag.gold {
  background: rgba(245, 158, 11, 0.1);
  color: var(--color-accent-hover);
}

.cat-card-arrow {
  color: #d1d5db;
  font-size: 1.1rem;
  transition: 0.15s;
}

.cat-card:hover .cat-card-arrow {
  color: var(--color-primary);
  transform: translateX(4px);
}

/* ============================================
   Post Grid
   ============================================ */
.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

/* ============================================
   Front Page — Categories Grid
   ============================================ */
.categories-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.category-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: border-color var(--transition-fast), transform 0.2s;
  text-decoration: none;
  color: inherit;
}

.category-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  color: inherit;
}

.category-icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary-light);
  border: 1px solid rgba(239, 68, 68, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.category-card-title {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.4;
}

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

.category-card-count {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ============================================
   Front Page — Features
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  padding: 0 1.5rem;
}

.feature-card {
  background: var(--color-bg-white);
  padding: 1.5rem;
  border-left: 4px solid var(--color-primary);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.feature-number {
  font-size: 1.5rem;
  background: var(--color-primary-light);
  color: var(--color-primary);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-bottom: 1rem;
  font-weight: 900;
}

.feature-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-text);
  margin: 0;
}

.feature-desc {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.front-features {
  display: none;
}

/* ============================================
   Rankings / Popular — Dark Background
   ============================================ */
.rankings-section {
  background: var(--color-dark);
  position: relative;
  overflow: hidden;
}

.rankings-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: -5%;
  width: 40%;
  height: 100%;
  background: linear-gradient(135deg, transparent 45%, rgba(239, 68, 68, 0.04) 45%, rgba(239, 68, 68, 0.04) 48%, transparent 48%);
}

.rankings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--color-dark-light);
}

.rankings-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.4rem;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 12px;
}

.rankings-title::before {
  content: '';
  width: 4px;
  height: 28px;
  background: var(--color-accent);
}

.rank-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  position: relative;
  z-index: 2;
}

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

.rank-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-dark-light);
  transition: 0.15s;
  cursor: pointer;
}

.rank-item:hover {
  padding-left: 8px;
}

.rank-item:last-child {
  border-bottom: none;
}

.rank-num {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 2rem;
  color: #374151;
  line-height: 1;
  min-width: 50px;
  letter-spacing: -0.04em;
}

.rank-item:nth-child(1) .rank-num {
  color: var(--color-accent);
}

.rank-item:nth-child(2) .rank-num {
  color: #9ca3af;
}

.rank-item:nth-child(3) .rank-num {
  color: #b45309;
}

.rank-content {
  flex: 1;
}

.rank-cat-label {
  color: var(--color-primary);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.rank-title {
  color: #e5e7eb;
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 6px;
}

.rank-item:hover .rank-title {
  color: #fff;
}

.rank-meta {
  color: #6b7280;
  font-size: 0.72rem;
  display: flex;
  gap: 12px;
}

.rank-views {
  display: flex;
  align-items: center;
  gap: 4px;
}

.rank-sidebar-title {
  font-weight: 900;
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Sidebar trend tags */
.trend-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

.trend-tag {
  border: 1px solid #374151;
  color: #9ca3af;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 6px 14px;
  transition: 0.15s;
  cursor: pointer;
}

.trend-tag:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.trend-tag.hot {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(239, 68, 68, 0.1);
}

/* Mini card in rankings sidebar */
.sidebar-card {
  background: var(--color-dark-light);
  padding: 20px;
  margin-bottom: 12px;
  border-left: 3px solid var(--color-accent);
  transition: 0.15s;
  cursor: pointer;
}

.sidebar-card:hover {
  background: #263040;
}

.sidebar-card-title {
  color: #e5e7eb;
  font-weight: 700;
  font-size: 0.88rem;
  line-height: 1.5;
  margin-bottom: 6px;
}

.sidebar-card-meta {
  color: #6b7280;
  font-size: 0.72rem;
}

/* ============================================
   CTA Section — Red Gradient with Clip-Path
   ============================================ */
.cta-section {
  background: var(--color-primary);
  position: relative;
  overflow: hidden;
  clip-path: polygon(0 6%, 100% 0, 100% 94%, 0 100%);
  padding: 100px 0;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 50%, #b91c1c 100%);
}

.cta-section::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 50%;
  height: 200%;
  background: linear-gradient(135deg, transparent 40%, rgba(255, 255, 255, 0.05) 40%, rgba(255, 255, 255, 0.05) 42%, transparent 42%);
}

.cta-content {
  text-align: center;
  position: relative;
  z-index: 2;
}

.cta-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 2.2rem;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.cta-sub {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1rem;
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

/* CTA Banner (WordPress front-page) */
.cta-banner {
  background: var(--color-dark);
  padding: 40px 24px;
  text-align: center;
  margin-top: 16px;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 50%;
  height: 200%;
  background: linear-gradient(135deg, transparent 40%, rgba(239, 68, 68, 0.06) 40%, rgba(239, 68, 68, 0.06) 42%, transparent 42%);
  pointer-events: none;
}

.cta-inner {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.cta-banner h2 {
  color: #fff;
  font-size: 1.25rem;
  font-weight: 900;
  margin: 0 0 10px;
  background: none;
  border: none;
  padding: 0;
  border-left: none;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.8125rem;
  margin-bottom: 20px;
}

/* ============================================
   2-Column Layout (Single Post)
   ============================================ */
.single-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}

/* ============================================
   Single Post
   ============================================ */
.single-post-article {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  padding: 24px 20px 32px;
  min-width: 0;
  overflow: hidden;
}

.single-post-header {
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 3px solid var(--color-primary);
}

.single-post-category {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 800;
  color: #fff;
  background: var(--color-primary);
  padding: 3px 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.single-post-category a {
  color: #fff;
  text-decoration: none;
}

.single-post-category a:hover {
  opacity: 0.8;
}

.single-post-title {
  font-family: var(--font-body);
  font-size: 1.5rem;
  font-weight: 900;
  line-height: 1.35;
  margin: 0 0 16px;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.single-post-meta {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.single-post-meta .meta-item {
  display: flex;
  align-items: center;
  gap: 5px;
}

.single-post-meta .meta-label {
  font-weight: 500;
  color: var(--color-text-secondary);
}

/* ============================================
   Post Content Typography
   ============================================ */
.post-content {
  font-size: 0.9375rem;
  line-height: 1.9;
  color: var(--color-text-secondary);
  overflow-wrap: break-word;
  word-break: break-word;
  overflow-x: hidden;
}

.post-content > *:first-child {
  margin-top: 0;
}

.post-content h2 {
  font-family: var(--font-body);
  font-size: 1.3rem;
  font-weight: 800;
  line-height: 1.4;
  color: var(--color-dark);
  margin: 32px 0 16px;
  padding: 12px 0 12px 20px;
  border-left: 6px solid var(--color-primary);
  background: rgba(239, 68, 68, 0.05);
}

.post-content h3 {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1.4;
  color: var(--color-dark);
  margin: 40px 0 16px;
  padding-left: 0;
  border-left: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.post-content h3::before {
  content: "●";
  color: var(--color-primary);
  font-size: 0.6em;
  flex-shrink: 0;
}

.post-content h4 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  margin: 32px 0 12px;
  line-height: 1.5;
}

.post-content p {
  margin: 0 0 20px;
}

.post-content ul,
.post-content ol {
  margin: 0 0 20px;
  padding-left: 1.75em;
}

.post-content li {
  margin-bottom: 6px;
}

.post-content li > ul,
.post-content li > ol {
  margin-top: 4px;
  margin-bottom: 0;
}

.post-content ul li::marker {
  color: var(--color-primary);
  font-weight: 700;
}

.post-content ol li::marker {
  color: var(--color-dark);
  font-weight: 700;
}

.post-content strong {
  font-weight: 700;
  color: var(--color-text);
}

.post-content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.post-content a:hover {
  color: var(--color-primary-dark);
}

/* Tables */
.table-responsive {
  display: block;
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 24px 0;
}

.table-responsive table {
  margin: 0;
  min-width: 500px;
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.875rem;
  overflow: hidden;
}

.post-content th,
.post-content td {
  padding: 12px;
  border: 1px solid var(--color-border);
  font-size: 0.875rem;
}

.post-content th {
  background: var(--color-bg-light);
  font-weight: 700;
  color: var(--color-dark);
}

.post-content thead th {
  background: var(--color-dark);
  color: #fff;
  font-weight: 700;
  padding: 12px 16px;
  text-align: left;
  border: 1px solid var(--color-navy-light);
  letter-spacing: 0.02em;
}

.post-content tbody td {
  padding: 11px 16px;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  line-height: 1.6;
  vertical-align: top;
}

.post-content tbody tr:nth-child(even) {
  background: var(--color-bg-light);
}

/* Blockquote */
.post-content blockquote {
  margin: 24px 0;
  padding: 20px 24px;
  background: var(--color-bg-light);
  border-left: 5px solid var(--color-primary);
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.8;
}

.post-content blockquote p:last-child {
  margin-bottom: 0;
}

/* Code */
.post-content code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: rgba(239, 68, 68, 0.06);
  padding: 2px 6px;
  color: var(--color-primary-dark);
  border: 1px solid rgba(239, 68, 68, 0.15);
}

.post-content pre {
  margin: 24px 0;
  padding: 24px 28px;
  background: var(--color-dark);
  color: #f7fafc;
  overflow-x: auto;
  line-height: 1.7;
  font-size: 0.875rem;
  font-family: var(--font-mono);
  border: 1px solid var(--color-dark-light);
}

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

.post-content hr {
  border: none;
  height: 1px;
  background: var(--color-border);
  margin: 48px 0;
}

/* ============================================
   Alert / Info / Note / Warning Boxes
   ============================================ */
.alert-box {
  border: 2px solid var(--color-accent);
  background: var(--color-accent-light);
  padding: 20px 24px;
  margin: 24px 0;
}

.alert-box .alert-title {
  font-weight: 800;
  color: var(--color-accent-hover);
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.alert-box p {
  font-size: 0.875rem;
  margin-bottom: 8px;
  color: var(--color-text-secondary);
}

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

.info-box,
.note-box,
.warning-box {
  padding: 20px 24px;
  margin: 24px 0;
  font-size: 0.9rem;
  line-height: 1.7;
  border: 1px solid;
}

.info-box {
  background: #eff6ff;
  border-color: #93c5fd;
  border-left: 5px solid #3b82f6;
}

.note-box {
  background: #f0fdf4;
  border-color: #86efac;
  border-left: 5px solid #059669;
}

.warning-box {
  background: #fffbeb;
  border-color: #fcd34d;
  border-left: 5px solid #f59e0b;
}

/* ============================================
   TOC (in-content fallback)
   ============================================ */
.toc-box {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  padding: 24px;
  margin-bottom: 32px;
}

.toc-box-title {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 800;
  color: var(--color-dark);
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toc-box-title::after {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-left: auto;
  border-right: 2px solid var(--color-text-muted);
  border-bottom: 2px solid var(--color-text-muted);
  transform: rotate(45deg);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.toc-box.collapsed .toc-box-title::after {
  transform: rotate(-135deg);
}

.toc-box > ol {
  overflow: hidden;
}

.toc-box.collapsed > ol {
  display: none;
}

.toc-box ol {
  margin: 0;
  padding-left: 0;
  counter-reset: toc;
  list-style: none;
}

.toc-box > ol > li {
  counter-increment: toc;
  margin-bottom: 1px;
}

.toc-box a {
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  line-height: 1.5;
  display: block;
  padding: 7px 12px;
  border-left: 3px solid transparent;
  transition: all var(--transition-fast);
}

.toc-box a:hover {
  color: var(--color-dark);
  background: rgba(239, 68, 68, 0.05);
  border-left-color: var(--color-border);
  text-decoration: none;
}

.toc-box ol ol {
  margin-top: 1px;
  padding-left: 16px;
}

.toc-box ol ol a {
  font-size: 0.775rem;
  color: var(--color-text-muted);
  padding: 5px 12px;
}

/* ============================================
   Mobile TOC
   ============================================ */
.mobile-toc {
  display: none;
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  margin-bottom: 24px;
}

.mobile-toc-title {
  font-size: 0.8125rem;
  font-weight: 800;
  color: var(--color-dark);
  padding: 12px 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.mobile-toc-toggle {
  font-size: 0.625rem;
  color: var(--color-text-muted);
  transition: transform 0.2s;
}

.mobile-toc.open .mobile-toc-toggle {
  transform: rotate(180deg);
}

.mobile-toc-list {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0 16px 12px;
}

.mobile-toc.open .mobile-toc-list {
  display: block;
}

.mobile-toc-list li {
  margin-bottom: 0;
}

.mobile-toc-list a {
  display: block;
  padding: 6px 0;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border-light);
  line-height: 1.4;
}

.mobile-toc-list a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.mobile-toc-list .toc-h3 {
  padding-left: 16px;
}

.mobile-toc-list .toc-h3 a {
  font-size: 0.75rem;
}

/* ============================================
   Sidebar
   ============================================ */
.sidebar {
  position: sticky;
  top: 80px;
  min-width: 0;
}

.sidebar-widget {
  background: var(--color-bg-light);
  padding: 24px;
  margin-bottom: 20px;
  border: 1px solid var(--color-border);
}

.sidebar-widget-title {
  font-size: 0.8125rem;
  font-weight: 800;
  color: var(--color-dark);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-primary);
  margin-bottom: 16px;
}

/* Sidebar TOC */
.sidebar-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-toc-list li {
  margin-bottom: 0;
}

.sidebar-toc-list a {
  display: block;
  padding: 7px 12px;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: all var(--transition-fast);
  line-height: 1.5;
}

.sidebar-toc-list a:hover {
  color: var(--color-dark);
  background: rgba(239, 68, 68, 0.05);
  border-left-color: var(--color-border);
}

.sidebar-toc-list a.active {
  color: var(--color-primary-dark);
  font-weight: 600;
  border-left-color: var(--color-primary);
  background: rgba(239, 68, 68, 0.06);
}

.sidebar-toc-list .toc-h3 {
  padding-left: 28px;
  font-size: 0.775rem;
}

/* Sidebar Popular/Latest Articles */
.sidebar-post-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-post-list li {
  margin: 0;
}

.sidebar-post-list a {
  display: block;
  padding: 10px 12px;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: background var(--transition-fast);
  line-height: 1.5;
}

.sidebar-post-list a:hover {
  background: rgba(239, 68, 68, 0.06);
  color: var(--color-dark);
}

.sidebar-post-list li:last-child a {
  border-bottom: none;
}

/* Sidebar Tags */
.sidebar-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sidebar-tag-cloud a {
  display: inline-block;
  background: var(--color-bg-light);
  color: var(--color-text);
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 4px 12px;
  border: 1px solid var(--color-border);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: all var(--transition-fast);
}

.sidebar-tag-cloud a:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ============================================
   FAQ Accordion
   ============================================ */
.faq-section {
  margin: 24px 0;
}

.faq-item {
  border: 1px solid var(--color-border);
  margin-bottom: 8px;
  overflow: hidden;
  background: var(--color-bg-white);
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--color-primary);
}

.faq-item.open {
  border-color: var(--color-primary);
}

.faq-question {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 20px;
  cursor: pointer;
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.6;
  transition: background var(--transition-fast);
}

.faq-question:hover {
  background: var(--color-bg-light);
}

.faq-question .q-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
}

.faq-question .toggle-icon {
  margin-left: auto;
  flex-shrink: 0;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  transition: transform 0.3s ease;
}

.faq-item.open .faq-question .toggle-icon {
  transform: rotate(180deg);
}

.faq-answer {
  display: none;
  padding: 0 20px 20px;
  padding-left: calc(20px + 26px + 12px);
}

.faq-item.open .faq-answer {
  display: block;
}

.faq-answer .a-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  background: var(--color-success);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  margin-right: 8px;
  vertical-align: top;
}

.faq-answer p {
  display: inline;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--color-text-secondary);
}

/* ============================================
   AI Disclosure Bar
   ============================================ */
.ai-disclosure-bar {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  background: rgba(239, 68, 68, 0.05);
  border-left: 3px solid var(--color-primary);
  padding: 10px 14px;
  margin-top: 16px;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.ai-disclosure-icon {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-primary);
}

.ai-disclosure-bar a {
  color: var(--color-primary);
  text-decoration: underline;
}

.ai-disclosure-bar a:hover {
  color: var(--color-primary-dark);
}

/* ============================================
   Disclaimer Box
   ============================================ */
.disclaimer-box {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  padding: 20px 24px;
  margin: 48px 0 24px;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.disclaimer-box-title {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.disclaimer-box p {
  margin: 0 0 8px;
}

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

/* ============================================
   Poker Comment Boxes
   💡 TIPS (green) / ⚠️ 注意 (amber) / 🎯 プロの目 (purple)
   ============================================ */
.poker-comment {
  margin: 24px 0;
  padding: 20px 24px;
  font-size: 0.9rem;
  line-height: 1.8;
  border: 1px solid;
  position: relative;
}

.poker-comment-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 0.85rem;
  margin: 0 0 10px;
  padding-bottom: 8px;
  letter-spacing: 0.02em;
}

.poker-comment p {
  margin: 0 0 8px;
  color: var(--color-text-secondary);
}

.poker-comment p:last-child {
  margin-bottom: 0;
}

/* 💡 TIPS (green) */
.poker-tip {
  background: #f0fdf4;
  border-color: #059669;
  border-left: 5px solid #059669;
}

.poker-tip .poker-comment-title {
  color: #166534;
  border-bottom: 1px solid #bbf7d0;
}

.poker-tip .poker-comment-title::before {
  content: '💡';
  font-size: 1rem;
  flex-shrink: 0;
}

/* ⚠️ 注意 (amber) */
.poker-alert {
  background: #fffbeb;
  border-color: #f59e0b;
  border-left: 5px solid #f59e0b;
}

.poker-alert .poker-comment-title {
  color: #b45309;
  border-bottom: 1px solid #fde68a;
}

.poker-alert .poker-comment-title::before {
  content: '⚠️';
  font-size: 1rem;
  flex-shrink: 0;
}

/* 🎯 プロの目 (purple) */
.poker-pro {
  background: #faf5ff;
  border-color: #7c3aed;
  border-left: 5px solid #7c3aed;
}

.poker-pro .poker-comment-title {
  color: #6d28d9;
  border-bottom: 1px solid #ddd6fe;
}

.poker-pro .poker-comment-title::before {
  content: '🎯';
  font-size: 1rem;
  flex-shrink: 0;
}

/* ============================================
   Action Checklist
   ============================================ */
.poker-checklist {
  list-style: none;
  padding-left: 0;
  margin: 16px 0;
}

.poker-checklist li {
  position: relative;
  padding: 8px 0 8px 32px;
  border-bottom: 1px solid var(--color-border-light);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text);
}

.poker-checklist li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 12px;
  width: 16px;
  height: 16px;
  border: 2px solid var(--color-primary);
  background: #fff;
}

.poker-checklist li strong {
  color: var(--color-dark);
}

/* ============================================
   Related Posts
   ============================================ */
.related-posts {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 2px solid var(--color-primary);
}

.related-posts-title {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-dark);
  margin: 0 0 20px;
}

.related-posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

/* ============================================
   Footer — Dark 4-Column
   ============================================ */
.site-footer {
  background: var(--color-dark-deep);
  color: #9ca3af;
  padding: 60px 0 0;
  border-top: none;
  margin-top: auto;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--color-navy-light);
  margin-bottom: 0;
}

.footer-top {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-navy-light);
}

.footer-brand {
  font-size: 1.3rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: 12px;
  font-family: var(--font-head);
  letter-spacing: 0.06em;
}

.footer-brand-accent,
.f-accent {
  color: var(--color-primary);
}

.footer-brand-name {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.3rem;
  color: #fff;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}

.footer-brand-name .f-accent {
  color: var(--color-primary);
}

.footer-desc {
  font-size: 0.82rem;
  line-height: 1.7;
  margin-bottom: 20px;
  color: #6b7280;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.social-icon {
  width: 36px;
  height: 36px;
  border: 1px solid #374151;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #9ca3af;
  font-size: 0.78rem;
  font-weight: 700;
  transition: 0.15s;
}

.social-icon:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.footer-heading,
.footer-col-title,
.footer-nav-title {
  color: #fff;
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

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

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

.footer-links a {
  color: #6b7280;
  font-size: 0.85rem;
  transition: 0.15s;
}

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

.footer-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-nav li {
  margin-bottom: 8px;
}

.footer-nav a {
  color: #6b7280;
  font-size: 0.8125rem;
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.footer-site-info h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  color: #fff;
  margin: 0 0 8px;
  font-weight: 900;
}

.footer-site-info p {
  font-size: 0.75rem;
  line-height: 1.7;
  margin: 0;
  color: #6b7280;
}

.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 0.75rem;
  color: #4b5563;
}

.footer-bottom a {
  color: #6b7280;
}

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

/* ============================================
   Pagination
   ============================================ */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4px;
  margin: 48px 0;
  flex-wrap: wrap;
}

.pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 8px;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.pagination .page-numbers:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pagination .page-numbers.current {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  font-weight: 700;
}

/* ============================================
   Back to Top
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 42px;
  height: 42px;
  background: var(--color-dark);
  color: #fff;
  border: 1px solid #374151;
  cursor: pointer;
  font-size: 0.95rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-2px);
  background: var(--color-primary);
  border-color: var(--color-primary);
}

/* ============================================
   Legacy category groups
   ============================================ */
.category-group {
  margin-bottom: 48px;
}

.category-group-title {
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  margin: 0 0 16px;
}

.category-group-title a {
  color: inherit;
}

.category-group-title a:hover {
  color: var(--color-primary);
}

/* ============================================
   Widgets (Legacy)
   ============================================ */
.widget {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  padding: 24px;
  margin-bottom: 20px;
}

.widget-title {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--color-dark);
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-primary);
}

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

.widget li {
  padding: 6px 0;
  border-bottom: 1px solid var(--color-border-light);
}

.widget li:last-child {
  border-bottom: none;
}

.widget a {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
}

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

/* ============================================
   Page
   ============================================ */
.page-article {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  padding: 48px;
}

.page-title {
  font-family: var(--font-body);
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--color-text);
  margin: 0 0 32px;
  padding-bottom: 16px;
  border-bottom: 3px solid var(--color-primary);
}

/* ============================================
   404 Page
   ============================================ */
.no-posts-message {
  text-align: center;
  padding: 96px 24px;
  color: var(--color-text-muted);
}

/* ============================================
   Alignment
   ============================================ */
.alignwide {
  margin-left: -20px;
  margin-right: -20px;
  max-width: calc(100% + 40px);
  width: calc(100% + 40px);
}

.alignfull {
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  max-width: 100vw;
  width: 100vw;
}

.aligncenter {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.alignleft {
  float: left;
  margin-right: 24px;
  margin-bottom: 16px;
}

.alignright {
  float: right;
  margin-left: 24px;
  margin-bottom: 16px;
}

/* ============================================
   Poker Card Styles
   ============================================ */

/* Inline Poker Cards (CSS) */
.poker-hand {
  display: inline-flex;
  gap: 4px;
  vertical-align: middle;
}

.poker-card {
  display: inline-flex;
  align-items: center;
  gap: 1px;
  background: #fff;
  border: 1.5px solid #d1d5db;
  border-radius: 3px;
  padding: 2px 5px;
  font-family: var(--font-mono);
  font-size: 0.9em;
  font-weight: 700;
  line-height: 1;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.poker-card .card-rank {
  font-size: 1em;
}

.poker-card .card-suit {
  font-size: 0.85em;
}

.poker-card.suit-hearts .card-rank,
.poker-card.suit-hearts .card-suit,
.poker-card.suit-diamonds .card-rank,
.poker-card.suit-diamonds .card-suit {
  color: #dc2626;
}

.poker-card.suit-spades .card-rank,
.poker-card.suit-spades .card-suit,
.poker-card.suit-clubs .card-rank,
.poker-card.suit-clubs .card-suit {
  color: #1a1a2e;
}

/* Poker Board (dark felt — matches sports media theme) */
.poker-board {
  display: flex;
  gap: 10px;
  padding: 20px 16px;
  background: linear-gradient(135deg, #0a2e0a, #1a4a1a);
  border: 3px solid #2d5a2d;
  margin: 20px 0;
  justify-content: center;
  flex-wrap: wrap;
}

.poker-board .board-section {
  display: flex;
  gap: 8px;
}

.poker-board .board-section + .board-section {
  padding-left: 12px;
  border-left: 2px solid rgba(255, 255, 255, 0.15);
}

.poker-board .board-card {
  width: 56px;
  height: 80px;
  background: #fff;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-family: var(--font-mono);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.poker-board .board-card .card-rank {
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1;
}

.poker-board .board-card .card-suit {
  font-size: 1.1rem;
  line-height: 1;
}

.poker-board .board-card.suit-hearts .card-rank,
.poker-board .board-card.suit-hearts .card-suit,
.poker-board .board-card.suit-diamonds .card-rank,
.poker-board .board-card.suit-diamonds .card-suit {
  color: #dc2626;
}

.poker-board .board-card.suit-spades .card-rank,
.poker-board .board-card.suit-spades .card-suit,
.poker-board .board-card.suit-clubs .card-rank,
.poker-board .board-card.suit-clubs .card-suit {
  color: #1a1a2e;
}

/* Hand Range Grid */
.hand-range-container {
  margin: 20px 0;
  overflow-x: auto;
}

.hand-range-grid {
  display: grid;
  grid-template-columns: repeat(14, 1fr);
  gap: 1px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  max-width: 560px;
}

.hand-range-cell {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  font-weight: 500;
  transition: background 0.15s;
}

.hand-range-cell.header {
  background: var(--color-dark);
  color: #fff;
  font-weight: 700;
}

.hand-range-cell.in-range {
  background: var(--color-primary);
  color: #fff;
}

.hand-range-cell.marginal {
  background: rgba(239, 68, 68, 0.3);
  color: var(--color-primary-dark);
}

.hand-range-cell.out-range {
  background: var(--color-bg-light);
  color: var(--color-text-muted);
}

.hand-range-label {
  text-align: center;
  margin-top: 8px;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* ============================================
   Utility
   ============================================ */
.screen-reader-text {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
  word-wrap: normal !important;
}

/* ============================================
   Responsive — 1024px (Tablet Landscape)
   ============================================ */
@media (max-width: 1024px) {
  .hero-inner,
  .front-hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-featured {
    order: -1;
  }

  .hero-card {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  }

  .hero-title {
    font-size: 2.4rem;
  }

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

  .rank-layout {
    grid-template-columns: 1fr;
  }

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

/* ============================================
   Responsive — 768px (Tablet Portrait)
   ============================================ */
@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-dark);
    border-top: 1px solid var(--color-dark-light);
    flex-direction: column;
    padding: 16px;
    z-index: 999;
  }

  .main-nav.open {
    display: flex;
  }

  .nav-link {
    padding: 12px 16px;
    width: 100%;
  }

  .nav-cta {
    margin-left: 0;
    text-align: center;
  }

  .mobile-toggle {
    display: block;
  }

  .hero,
  .front-hero {
    min-height: auto;
  }

  .hero-inner,
  .front-hero-inner {
    padding: 40px 20px 60px;
  }

  .hero-title {
    font-size: 1.9rem;
  }

  .front-hero h2 {
    font-size: 1.75rem;
  }

  .hero-card-image {
    height: 200px;
  }

  .stats-inner {
    flex-wrap: wrap;
    gap: 16px;
    padding: 12px 20px;
  }

  .stat-item,
  .front-hero-stat {
    flex: 1;
    min-width: 80px;
  }

  .stat-num,
  .front-hero-stat .stat-value {
    font-size: 1.2rem;
  }

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

  .section-pad {
    padding: 50px 0;
  }

  .cta-section {
    clip-path: polygon(0 3%, 100% 0, 100% 97%, 0 100%);
    padding: 70px 0;
  }

  .cta-title {
    font-size: 1.6rem;
  }

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

/* ============================================
   Responsive — 600px (Mobile)
   ============================================ */
@media (max-width: 600px) {
  html,
  body {
    overflow-x: hidden;
    max-width: 100vw;
  }

  .site-container {
    overflow-x: clip;
  }

  .site-content {
    padding: 16px 0;
    max-width: 100%;
  }

  .front-hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }

  /* Single Post Mobile */
  .single-post-article {
    padding: 20px 16px 24px;
    border: none;
  }

  .single-post-title {
    font-size: 1.25rem;
    line-height: 1.4;
  }

  .single-post-header {
    margin-bottom: 24px;
    padding-bottom: 16px;
  }

  .post-content {
    font-size: 0.875rem;
    line-height: 1.85;
  }

  .post-content h2 {
    font-size: 1.1rem;
    margin: 28px -16px 14px;
    padding: 10px 16px 10px 16px;
    border-left-width: 4px;
  }

  .post-content h3 {
    font-size: 1rem;
    margin: 24px 0 12px;
  }

  .post-content h4 {
    font-size: 0.9375rem;
    margin: 20px 0 10px;
  }

  .post-content blockquote {
    margin: 16px -16px;
    padding: 14px 16px;
    font-size: 0.875rem;
    border-left-width: 4px;
  }

  .jitsumu-comment {
    margin: 16px -16px;
    padding: 14px 16px;
    font-size: 0.8125rem;
    border-left-width: 4px;
  }

  .post-content pre {
    margin: 16px -16px;
    padding: 16px;
    font-size: 0.8125rem;
  }

  .post-content th,
  .post-content td {
    padding: 8px 10px;
    font-size: 0.8125rem;
  }

  .post-content thead th {
    padding: 8px 10px;
    font-size: 0.8125rem;
  }

  /* Table scroll indicator */
  .table-responsive {
    position: relative;
    margin: 16px 0;
    padding: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .table-responsive::after {
    content: '\2190 \30B9\30AF\30ED\30FC\30EB \2192';
    display: block;
    text-align: center;
    font-size: 0.6875rem;
    color: var(--color-text-muted);
    padding: 4px 0 0;
  }

  .table-responsive table {
    min-width: 480px;
  }

  /* Alert/Info boxes */
  .alert-box,
  .info-box,
  .note-box,
  .warning-box {
    padding: 14px 16px;
    margin: 16px -16px;
    font-size: 0.8125rem;
  }

  /* TOC box */
  .toc-box {
    padding: 16px;
    margin-bottom: 24px;
  }

  /* Sidebar */
  .sidebar {
    margin-top: 8px;
    position: static;
  }

  .sidebar-widget {
    padding: 16px;
  }

  .sidebar .sidebar-widget:first-child .sidebar-toc-list {
    display: none;
  }

  .sidebar .sidebar-widget:first-child .sidebar-widget-title {
    display: none;
  }

  .sidebar .sidebar-widget:first-child {
    display: none;
  }

  /* List spacing */
  .post-content ul,
  .post-content ol {
    padding-left: 1.25em;
  }

  /* Related posts */
  .related-posts-grid {
    grid-template-columns: 1fr;
  }

  /* Code */
  .post-content code {
    font-size: 0.8em;
    word-break: break-all;
  }

  /* FAQ */
  .faq-question {
    padding: 12px 14px;
    font-size: 0.85rem;
    gap: 10px;
  }

  .faq-answer {
    padding: 0 14px 16px;
    padding-left: calc(14px + 26px + 10px);
    font-size: 0.85rem;
  }

  /* AI Disclosure */
  .ai-disclosure-bar {
    font-size: 0.75rem;
    padding: 8px 12px;
    margin-top: 12px;
  }

  .disclaimer-box {
    margin: 32px -16px 16px;
    padding: 16px;
  }

  /* Related posts */
  .related-posts {
    margin-top: 32px;
    padding-top: 24px;
  }

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

  /* Breadcrumbs */
  .breadcrumbs {
    padding: 8px 14px 0;
    font-size: 0.6875rem;
  }

  .breadcrumbs .current {
    max-width: 180px;
  }

  /* Alignment full/wide mobile */
  .alignfull {
    margin-left: -16px;
    margin-right: -16px;
    max-width: calc(100% + 32px);
    width: calc(100% + 32px);
  }

  .alignwide {
    margin-left: -16px;
    margin-right: -16px;
    max-width: calc(100% + 32px);
    width: calc(100% + 32px);
  }

  /* Featured grid */
  .featured-grid {
    grid-template-columns: 1fr;
  }

  /* Mobile TOC visible */
  .mobile-toc {
    display: block;
  }

  /* Poker cards mobile */
  .poker-board {
    padding: 12px;
    gap: 6px;
  }

  .poker-board .board-card {
    width: 44px;
    height: 64px;
  }

  .poker-board .board-card .card-rank {
    font-size: 1rem;
  }

  .poker-board .board-card .card-suit {
    font-size: 0.9rem;
  }

  .poker-board .board-section + .board-section {
    padding-left: 8px;
  }

  .hand-range-grid {
    font-size: 0.6rem;
  }
}

/* ============================================
   Responsive — 599px (Small Mobile)
   ============================================ */
@media (max-width: 599px) {
  .menu-toggle,
  .header-search-toggle {
    border: none;
    padding: 8px;
  }

  .front-hero h2 {
    font-size: 1.5rem;
    line-height: 1.4;
  }

  .front-hero,
  .single-post-article {
    padding-left: 24px;
    padding-right: 24px;
  }

  .single-post-title {
    font-size: 1.35rem;
    line-height: 1.35;
  }

  .breadcrumbs .current {
    max-width: none;
  }

  .post-content {
    overflow-wrap: anywhere;
  }

  .alignwide {
    margin-left: -24px;
    margin-right: -24px;
    width: calc(100% + 48px);
    max-width: calc(100% + 48px);
  }
}

/* ============================================
   Responsive — 480px (Narrow Mobile)
   ============================================ */
@media (max-width: 480px) {
  .hero-title {
    font-size: 1.55rem;
  }

  .hero-sub {
    font-size: 0.9rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn-primary,
  .btn-outline {
    width: 100%;
    justify-content: center;
  }

  .section-title,
  .front-section-title {
    font-size: 1.15rem;
  }

  .cat-card-num {
    font-size: 1.8rem;
  }

  .rank-num {
    font-size: 1.6rem;
  }
}

/* ============================================
   Responsive — 600px+ (Tablet)
   ============================================ */
@media (min-width: 600px) {
  .featured-grid {
    grid-template-columns: 1.4fr 1fr;
  }

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

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

  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .single-post-title {
    font-size: 1.75rem;
  }

  .front-hero h2 {
    font-size: 1.75rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .footer-top {
    flex-direction: row;
    justify-content: space-between;
  }

  .footer-site-info {
    flex: 1;
    max-width: 420px;
  }
}

/* ============================================
   Responsive — 960px+ (Desktop)
   ============================================ */
@media (min-width: 960px) {
  .header-inner {
    padding: 0 24px;
    height: 64px;
  }

  .site-title {
    font-size: 1.3rem;
  }

  .menu-toggle {
    display: none;
  }

  .mobile-nav-drawer {
    display: none !important;
  }

  .main-navigation {
    display: flex;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    align-items: center;
    justify-content: flex-end;
  }

  .main-navigation ul {
    display: flex;
    gap: 0;
    margin: 0;
    padding: 0;
    max-width: none;
    justify-content: flex-end;
  }

  .main-navigation a {
    padding: 0 12px;
    height: 64px;
    font-size: 0.75rem;
  }

  .site-content {
    padding: 40px 24px;
  }

  .post-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .categories-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .single-layout {
    grid-template-columns: 1fr 300px;
  }

  .single-post-article {
    padding: 48px;
  }

  .alignwide {
    margin-left: -48px;
    margin-right: -48px;
    max-width: calc(100% + 96px);
    width: calc(100% + 96px);
  }

  .post-content h2 {
    margin: 56px 0 20px;
  }

  .single-post-title {
    font-size: 1.75rem;
  }

  .front-hero {
    padding: 56px 24px 64px;
  }

  .front-hero h2 {
    font-size: 1.75rem;
  }

  .page-article {
    padding: 48px;
  }

  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
  }
}

/* ============================================
   Responsive — 1100px+ (Wide Desktop)
   ============================================ */
@media (min-width: 1100px) {
  .main-navigation a {
    padding: 0 16px;
    font-size: 0.8125rem;
  }
}

/* ============================================
   Print
   ============================================ */
@media print {
  .site-header,
  .site-footer,
  .toc-box,
  .sidebar,
  .breadcrumbs,
  .menu-toggle,
  .main-navigation,
  .pagination,
  .back-to-top,
  .poker-board,
  .ticker,
  .hero-stats,
  .front-hero-stats,
  .cta-section,
  .cta-banner,
  .rankings-section {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
    font-size: 12pt;
  }

  .single-post-article,
  .page-article {
    box-shadow: none;
    border: none;
    padding: 0;
  }

  a {
    color: #000;
    text-decoration: underline;
  }

  .post-content h2 {
    page-break-after: avoid;
  }

  .post-content table {
    page-break-inside: avoid;
  }
}