/* ==========================================================================
   TAKATO PROJECTS - Design System & Custom Stylesheet
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
  /* Colors */
  --bg-primary: #fdfdfc;      /* Warm off-white (washi paper tone) */
  --bg-secondary: #f6f5f0;    /* Slightly darker beige-gray */
  --bg-dark: #111111;         /* Charcoal/Pitch black */
  --bg-dark-gray: #1a1a1a;    /* Muted charcoal for deep sections */
  
  --text-main: #2c2c2c;       /* Off-black for main text */
  --text-muted: #666666;      /* Gray for secondary text */
  --text-light: #ffffff;      /* Pure white */
  --text-light-muted: #cccccc;/* Muted light gray */
  
  --accent-gold: #b89855;     /* Traditional gold/amber */
  --accent-gold-hover: #cfaf6c;
  --accent-red: #a8382d;      /* Deep cinnabar/vermilion red */
  
  --border-color: #e2dfd8;    /* Light beige border */
  --border-dark: #333333;
  
  /* Typography */
  --font-jp: 'Noto Serif JP', serif;
  --font-en-serif: 'Cinzel', serif;
  --font-en-sans: 'Inter', sans-serif;
  
  /* Transitions & Layout */
  --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-fast: all 0.2s ease;
  --container-width: 1200px;
}

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

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

body {
  font-family: var(--font-jp);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.8;
  letter-spacing: 0.05em;
  overflow-x: hidden;
}

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

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

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.text-center {
  text-align: center;
}

/* --- Navigation & Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(253, 253, 252, 0);
  border-bottom: 1px solid rgba(226, 223, 216, 0);
  transition: var(--transition-smooth);
  padding: 1rem 0;
}

/* Scrolled Header State (handled by JS) */
.site-header.scrolled {
  background-color: rgba(253, 253, 252, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 0;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.02);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.logo-link {
  display: inline-block;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-svg {
  width: 38px;
  height: 33px;
  transition: var(--transition-smooth);
}

.logo-text {
  font-family: var(--font-en-serif);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--text-main);
  display: flex;
  align-items: flex-start;
}

.registered-symbol {
  font-size: 0.5rem;
  margin-left: 1px;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-item {
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
}

.nav-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--text-main);
  transition: var(--transition-smooth);
}

.nav-item:hover::after {
  width: 100%;
}

.highlight-nav {
  color: var(--accent-gold);
  font-weight: 700;
}

.highlight-nav::after {
  background-color: var(--accent-gold);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
  z-index: 1100;
}

.hamburger-line {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--text-main);
  transition: var(--transition-smooth);
}

/* Mobile Navigation Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 300px;
  height: 100vh;
  background-color: var(--bg-primary);
  z-index: 999;
  box-shadow: -5px 0 30px rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.mobile-nav-drawer.open {
  right: 0;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  text-align: center;
}

.mobile-nav-item {
  font-size: 1.2rem;
  font-weight: 500;
}

/* --- Hero Section --- */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem 2rem 4rem 2rem;
  background-color: var(--bg-primary);
  background-image: url('images/takato_hero.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.hero-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(253, 253, 252, 0.85); /* Heavy off-white overlay for watermark effect */
  z-index: 1;
}

.hero-container {
  position: relative;
  z-index: 2;
  max-width: 800px;
  animation: heroFadeIn 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-logo-wrapper {
  position: relative;
  display: inline-block;
  margin-bottom: 2rem;
}

.hero-logo-svg {
  width: 120px;
  height: 105px;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.05));
}

.hero-registered-symbol {
  position: absolute;
  top: 0;
  right: -10px;
  font-family: var(--font-en-serif);
  font-size: 1rem;
  font-weight: bold;
}

.hero-title {
  font-family: var(--font-en-serif);
  font-size: 3.5rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  margin-bottom: 2rem;
  color: var(--text-main);
}

.hero-description {
  font-size: 1.1rem;
  line-height: 2.2;
  color: var(--text-main);
  max-width: 680px;
  margin: 0 auto 3rem auto;
  text-align: justify;
  text-align-last: center;
}

/* Scroll Indicator */
.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.scroll-text {
  font-family: var(--font-en-sans);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--text-muted);
}

.scroll-line {
  width: 1px;
  height: 60px;
  background-color: var(--border-color);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--accent-gold);
  animation: scrollDown 2s infinite ease-in-out;
}

/* --- Section Layouts --- */
section {
  padding: 7rem 0;
  border-bottom: 1px solid var(--border-color);
}

.section-header {
  margin-bottom: 4rem;
}

.section-subtitle {
  font-family: var(--font-en-sans);
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  color: var(--accent-gold);
  display: block;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.section-title {
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--text-main);
  margin-bottom: 1.5rem;
}

.section-divider {
  width: 40px;
  height: 2px;
  background-color: var(--accent-gold);
  margin: 0 auto;
}

/* --- About Section (プロジェクト概要) --- */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.about-card {
  background-color: var(--bg-secondary);
  padding: 3.5rem 2.5rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  position: relative;
  transition: var(--transition-smooth);
}

.about-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-gold);
  box-shadow: 0 10px 30px rgba(184, 152, 85, 0.05);
}

.about-card-num {
  font-family: var(--font-en-serif);
  font-size: 2.5rem;
  color: rgba(184, 152, 85, 0.15);
  font-weight: 700;
  line-height: 1;
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
}

.about-card-title {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  color: var(--text-main);
}

.about-card-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  text-align: justify;
}

/* --- History Section (歴史深掘り) --- */
.history-intro {
  max-width: 750px;
  margin: 0 auto 5rem auto;
  text-align: center;
  font-size: 1.05rem;
  line-height: 2.2;
}

.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.timeline::after {
  content: '';
  position: absolute;
  width: 1px;
  background-color: var(--border-color);
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -0.5px;
}

.timeline-item {
  padding: 2rem 3rem;
  position: relative;
  width: 50%;
  opacity: 0.9;
}

.timeline-item::after {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  right: -5px;
  background-color: var(--bg-primary);
  border: 2px solid var(--accent-gold);
  top: 2.5rem;
  border-radius: 50%;
  z-index: 1;
}

.timeline-item.left {
  left: 0;
}

.timeline-item.right {
  left: 50%;
}

.timeline-item.right::after {
  left: -5px;
}

.timeline-content {
  padding: 2rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.timeline-date {
  font-family: var(--font-en-serif);
  font-size: 1.1rem;
  color: var(--accent-gold);
  font-weight: 700;
  display: block;
  margin-bottom: 0.75rem;
}

.timeline-title {
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.timeline-content p {
  font-size: 0.95rem;
  color: var(--text-muted);
  text-align: justify;
}

/* Correlation Map */
.correlation-wrapper {
  margin-top: 7rem;
  padding: 4rem 3rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.subsection-title {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 3rem;
}

.correlation-grid {
  display: grid;
  grid-template-columns: 1fr 100px 1fr;
  align-items: center;
  max-width: 800px;
  margin: 0 auto;
  gap: 2rem;
}

.correlation-node {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  padding: 2rem;
  border-radius: 4px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0,0,0,0.01);
  transition: var(--transition-smooth);
}

.correlation-node:hover {
  border-color: var(--accent-gold);
  transform: translateY(-2px);
}

.node-crest {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--accent-gold);
  margin-bottom: 0.75rem;
}

.correlation-node h4 {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.correlation-node p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.correlation-arrow-horizontal {
  text-align: center;
  font-size: 0.85rem;
  color: var(--accent-gold);
  font-weight: bold;
}

.correlation-arrow-vertical {
  grid-column: 1 / 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 60px;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.correlation-arrow-diagonal {
  grid-column: 3 / 4;
  text-align: center;
  color: var(--accent-gold);
  font-size: 0.85rem;
  font-weight: bold;
  margin: 1rem 0;
}

.correlation-grid .card-kitahara {
  grid-column: 1 / 4;
  max-width: 500px;
  margin: 0 auto;
  border: 1.5px solid var(--accent-gold);
}

/* --- Pilgrimage Section (聖地巡礼情報) --- */
.pilgrimage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.pilgrimage-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.pilgrimage-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-gold);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.pilgrimage-img-placeholder {
  height: 220px;
  background-size: cover;
  background-position: center;
  background-color: var(--bg-secondary);
  transition: var(--transition-smooth);
}

.pilgrimage-card:hover .pilgrimage-img-placeholder {
  transform: scale(1.02);
}

.pilgrimage-card-body {
  padding: 2rem;
}

.spot-tag {
  font-size: 0.8rem;
  color: var(--accent-gold);
  font-weight: 600;
  display: inline-block;
  margin-bottom: 0.75rem;
  border: 1px solid rgba(184, 152, 85, 0.3);
  padding: 0.15rem 0.5rem;
  border-radius: 2px;
}

.spot-title {
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.spot-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-align: justify;
}

/* --- News Section (活動報告) --- */
.news-list {
  max-width: 800px;
  margin: 0 auto;
}

.news-item {
  padding: 2rem 0;
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-fast);
}

.news-item:first-child {
  padding-top: 0;
}

.news-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.news-meta {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  margin-bottom: 0.75rem;
}

.news-meta time {
  font-family: var(--font-en-sans);
  font-size: 0.85rem;
  color: var(--accent-gold);
  font-weight: 500;
}

.news-category {
  font-size: 0.75rem;
  background-color: var(--bg-secondary);
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
  color: var(--text-muted);
}

.news-item-title {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.news-item-title a:hover {
  color: var(--accent-gold);
}

.news-item-summary {
  font-size: 0.95rem;
  color: var(--text-muted);
  text-align: justify;
}

/* --- Products Section (商品紹介) --- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  max-width: 900px;
  margin: 0 auto;
}

.product-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
  transition: var(--transition-smooth);
}

.product-card:hover {
  border-color: var(--accent-gold);
  transform: translateY(-3px);
}

.product-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: var(--accent-gold);
  color: var(--text-light);
  font-size: 0.75rem;
  font-weight: bold;
  padding: 0.25rem 0.75rem;
  border-radius: 2px;
  z-index: 2;
}

.product-img-holder {
  height: 240px;
  transition: var(--transition-smooth);
}

.product-card:hover .product-img-holder {
  filter: brightness(0.97);
}

.product-body {
  padding: 2rem;
}

.product-name {
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.product-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.product-price {
  font-family: var(--font-en-sans);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--accent-red);
}

.product-price .tax-in {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: normal;
  margin-left: 2px;
}

/* --- Takato Kitahara Section (高遠北原) --- */
.kitahara-section {
  background-color: var(--bg-secondary);
}

.kamon-mystery {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-bottom: 7rem;
}

.kamon-label {
  font-size: 0.8rem;
  color: var(--accent-red);
  font-weight: 600;
  border: 1px solid var(--accent-red);
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
  display: inline-block;
  margin-bottom: 1rem;
}

.kamon-title {
  font-size: 1.75rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.kamon-text p {
  font-size: 1rem;
  color: var(--text-main);
  margin-bottom: 1.5rem;
  text-align: justify;
}

.kamon-text strong {
  color: var(--accent-gold);
}

.kamon-visual {
  text-align: center;
}

.kamon-img {
  width: 100%;
  border-radius: 4px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.06);
  border: 1px solid var(--border-color);
  transition: var(--transition-smooth);
}

.kamon-img:hover {
  transform: scale(1.01);
}

.kamon-caption {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 1rem;
}

/* Interactive Muchu Monjo (夢中問答集) */
.muchu-section {
  background-color: var(--bg-dark);
  color: var(--text-light);
  border-radius: 8px;
  padding: 5rem 4rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-dark);
}

.muchu-title {
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--accent-gold);
  margin-bottom: 1.5rem;
}

.muchu-intro {
  font-size: 0.95rem;
  color: var(--text-light-muted);
  max-width: 650px;
  margin: 0 auto 3rem auto;
  line-height: 2;
}

/* Translation Toggle */
.toggle-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 4rem;
}

.toggle-label {
  font-size: 0.85rem;
  color: var(--text-light-muted);
  transition: var(--transition-fast);
}

.toggle-label.active {
  color: var(--accent-gold);
  font-weight: 600;
}

.translation-toggle {
  position: relative;
  width: 50px;
  height: 26px;
  background-color: var(--border-dark);
  border: 1px solid var(--border-dark);
  border-radius: 13px;
  cursor: pointer;
  outline: none;
  transition: var(--transition-fast);
}

.toggle-slider {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background-color: var(--accent-gold);
  border-radius: 50%;
  transition: var(--transition-smooth);
}

.translation-toggle.active .toggle-slider {
  left: 26px;
}

/* QA Items */
.muchu-qa-container {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.qa-item {
  border-bottom: 1px solid var(--border-dark);
  padding-bottom: 2.5rem;
  transition: var(--transition-smooth);
}

.qa-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.qa-question-box, .qa-answer-box {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.qa-question-box {
  margin-bottom: 1.25rem;
}

.qa-badge-q, .qa-badge-a {
  font-family: var(--font-jp);
  font-size: 0.85rem;
  font-weight: bold;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 4px;
}

.qa-badge-q {
  background-color: var(--accent-red);
  color: var(--text-light);
}

.qa-badge-a {
  background-color: var(--accent-gold);
  color: var(--bg-dark);
}

.qa-question-text {
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.8;
  color: var(--text-light);
}

.qa-answer-text {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--text-light-muted);
  text-align: justify;
}

.muchu-footer {
  margin-top: 5rem;
}

.muchu-footnote {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 2rem;
}

.muchu-btn {
  display: inline-block;
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
  padding: 0.75rem 2.25rem;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 4px;
  transition: var(--transition-smooth);
}

.muchu-btn:hover {
  background-color: var(--accent-gold);
  color: var(--bg-dark);
}

/* --- Footer --- */
.site-footer {
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding: 5rem 0 3rem 0;
  border-top: none;
}

.footer-logo {
  margin-bottom: 2rem;
}

.footer-logo-svg {
  width: 60px;
  height: 52px;
}

.footer-copyright {
  font-family: var(--font-en-sans);
  font-size: 0.85rem;
  color: var(--text-light-muted);
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.footer-credit {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-credit a {
  color: var(--accent-gold);
}

.footer-credit a:hover {
  text-decoration: underline;
}

/* --- Animations --- */
@keyframes heroFadeIn {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scrollDown {
  0% {
    top: -100%;
  }
  50% {
    top: 100%;
  }
  100% {
    top: 100%;
  }
}

/* Fade In Up class on scroll */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in-up.active {
  opacity: 1;
  transform: translateY(0);
}


/* ==========================================================================
   Responsive Styles (Media Queries)
   ========================================================================== */
@media (max-width: 1024px) {
  .about-grid, .pilgrimage-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-grid .about-card:last-child {
    grid-column: 1 / 3;
  }
}

@media (max-width: 768px) {
  /* Navigation */
  .desktop-nav {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  /* Hero */
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-description {
    font-size: 0.95rem;
    line-height: 2;
  }
  
  /* Sections */
  section {
    padding: 5rem 0;
  }
  
  .about-grid, .pilgrimage-grid, .products-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .about-grid .about-card:last-child {
    grid-column: auto;
  }
  
  /* Timeline */
  .timeline::after {
    left: 1.5rem;
  }
  
  .timeline-item {
    width: 100%;
    padding: 1.5rem 1rem 1.5rem 3.5rem;
  }
  
  .timeline-item.left, .timeline-item.right {
    left: 0;
  }
  
  .timeline-item::after {
    left: 1.2rem;
  }
  
  .timeline-item.right::after {
    left: 1.2rem;
  }
  
  /* Correlation Map */
  .correlation-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .correlation-arrow-horizontal {
    transform: rotate(90deg);
    margin: 0.5rem 0;
  }
  
  .correlation-arrow-vertical, .correlation-arrow-diagonal {
    display: none;
  }
  
  .correlation-grid .card-kitahara {
    grid-column: auto;
  }
  
  /* Kamon */
  .kamon-mystery {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .kamon-visual {
    order: -1;
  }
  
  /* Muchu */
  .muchu-section {
    padding: 3rem 2rem;
  }
  
  .qa-question-box, .qa-answer-box {
    gap: 1rem;
  }
  
  .qa-question-text {
    font-size: 1rem;
  }
  
  .qa-answer-text {
    font-size: 0.9rem;
  }
}