/* =============================================
   ビジネススキルアップ研究会 - メインスタイルシート
   ============================================= */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700;900&display=swap');

/* CSS Variables */
:root {
  --primary: #1565C0;
  --primary-dark: #0D47A1;
  --primary-light: #1E88E5;
  --primary-lighter: #42A5F5;
  --primary-pale: #E3F2FD;
  --primary-gradient: linear-gradient(135deg, #1565C0 0%, #42A5F5 100%);
  --accent: #0288D1;
  --accent-light: #03A9F4;
  --white: #FFFFFF;
  --off-white: #F8FBFF;
  --bg-light: #F0F6FF;
  --text-dark: #1A237E;
  --text-heading: #263238;
  --text-body: #37474F;
  --text-light: #607D8B;
  --border: #BBDEFB;
  --border-light: #E1F0FF;
  --shadow-sm: 0 2px 8px rgba(21,101,192,0.08);
  --shadow-md: 0 4px 16px rgba(21,101,192,0.12);
  --shadow-lg: 0 8px 32px rgba(21,101,192,0.16);
  --shadow-xl: 0 16px 48px rgba(21,101,192,0.20);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --transition: 0.3s ease;
  --max-width: 1200px;
  --header-height: 72px;
}

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

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

body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--text-body);
  background: var(--white);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

/* =============================================
   Header / Navigation
   ============================================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  height: var(--header-height);
  transition: box-shadow var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary);
  text-decoration: none;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--primary-gradient);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 900;
  font-size: 1.2rem;
}

.logo-text {
  line-height: 1.2;
}

.logo-text small {
  display: block;
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--text-light);
  letter-spacing: 0.05em;
}

.logo-img {
  height: 56px;
  width: auto;
  display: block;
}
.footer-about .logo-img {
  height: 72px;
  width: auto;
  filter: brightness(0) invert(1);
}
@media (max-width: 768px) {
  .logo-img { height: 44px; }
  .footer-about .logo-img { height: 60px; }
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-menu a {
  padding: 8px 16px;
  color: var(--text-body);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--primary);
  background: var(--primary-pale);
}

.nav-menu .nav-cta {
  background: var(--primary-gradient);
  color: white;
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 600;
}

.nav-menu .nav-cta:hover {
  color: white;
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-heading);
  border-radius: 2px;
  transition: all var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* =============================================
   Hero Section
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #0D47A1 0%, #1565C0 30%, #1E88E5 60%, #42A5F5 100%);
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.08) 0%, transparent 40%),
    radial-gradient(circle at 60% 80%, rgba(255,255,255,0.06) 0%, transparent 40%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: white;
  padding: 40px 24px;
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(8px);
  padding: 8px 24px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 32px;
  border: 1px solid rgba(255,255,255,0.3);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 24px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.15);
}

.hero h1 span {
  display: block;
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  font-weight: 400;
  opacity: 0.9;
  margin-top: 12px;
}

.hero-description {
  font-size: clamp(0.95rem, 1.5vw, 1.15rem);
  opacity: 0.9;
  margin-bottom: 40px;
  line-height: 1.9;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-wave {
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  z-index: 3;
}

.hero-wave svg {
  display: block;
  width: 100%;
  height: auto;
}

/* Floating shapes */
.hero-shapes {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-shapes .shape {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  animation: float 20s infinite ease-in-out;
}

.hero-shapes .shape:nth-child(1) {
  width: 300px; height: 300px; top: 10%; left: -5%;
  animation-delay: 0s;
}

.hero-shapes .shape:nth-child(2) {
  width: 200px; height: 200px; top: 60%; right: -3%;
  animation-delay: -5s;
}

.hero-shapes .shape:nth-child(3) {
  width: 150px; height: 150px; bottom: 20%; left: 20%;
  animation-delay: -10s;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-20px) rotate(5deg); }
  66% { transform: translateY(10px) rotate(-3deg); }
}

/* =============================================
   Buttons
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  font-family: inherit;
  text-decoration: none;
}

.btn-primary {
  background: white;
  color: var(--primary);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--primary-dark);
}

.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid rgba(255,255,255,0.5);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: white;
  color: white;
}

.btn-blue {
  background: var(--primary-gradient);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-blue:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: white;
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 18px 40px;
  font-size: 1.05rem;
}

/* =============================================
   Section Base
   ============================================= */
.section {
  padding: 100px 24px;
}

.section-alt {
  background: var(--bg-light);
}

.section-pale {
  background: var(--off-white);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header .label {
  display: inline-block;
  background: var(--primary-pale);
  color: var(--primary);
  padding: 6px 20px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 16px;
  line-height: 1.4;
}

.section-header p {
  font-size: 1rem;
  color: var(--text-light);
  max-width: 640px;
  margin: 0 auto;
}

/* =============================================
   About Section
   ============================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-image-inner {
  text-align: center;
  color: white;
  padding: 40px;
}

.about-image-inner .icon {
  font-size: 4rem;
  margin-bottom: 20px;
}

.about-image-inner h3 {
  font-size: 1.6rem;
  font-weight: 700;
}

.about-text h3 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 24px;
  line-height: 1.4;
}

.about-text p {
  margin-bottom: 20px;
  line-height: 2;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.about-stat {
  text-align: center;
  padding: 20px;
  background: var(--primary-pale);
  border-radius: var(--radius-md);
}

.about-stat .number {
  font-size: 2rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
}

.about-stat .unit {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-top: 4px;
}

/* =============================================
   Courses Overview (Home)
   ============================================= */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.course-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--border-light);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.course-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary-gradient);
  opacity: 0;
  transition: opacity var(--transition);
}

.course-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border);
}

.course-card:hover::before {
  opacity: 1;
}

.course-card .course-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--primary-pale);
  color: var(--primary);
  font-weight: 800;
  font-size: 1.2rem;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
}

.course-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 12px;
}

.course-card p {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.course-card .course-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
}

.course-card .course-link::after {
  content: '\2192';
  transition: transform var(--transition);
}

.course-card:hover .course-link::after {
  transform: translateX(4px);
}

/* =============================================
   Features
   ============================================= */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-item {
  text-align: center;
  padding: 40px 28px;
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  transition: all var(--transition);
}

.feature-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 72px;
  height: 72px;
  background: var(--primary-pale);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 2rem;
}

.feature-item h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 12px;
}

.feature-item p {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* =============================================
   Venues
   ============================================= */
.venues-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.venue-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: all var(--transition);
}

.venue-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.venue-header {
  background: var(--primary-gradient);
  padding: 32px;
  color: white;
  text-align: center;
}

.venue-header h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.venue-header p {
  font-size: 0.85rem;
  opacity: 0.85;
}

.venue-body {
  padding: 28px;
}

.venue-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.venue-info-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9rem;
}

.venue-info-item .icon {
  color: var(--primary);
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.venue-card .btn {
  display: block;
  text-align: center;
  margin: 20px 28px 28px;
}

/* =============================================
   News Section
   ============================================= */
.news-list {
  max-width: 800px;
  margin: 0 auto;
}

.news-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition);
}

.news-item:first-child {
  border-top: 1px solid var(--border-light);
}

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

.news-date {
  flex-shrink: 0;
  font-size: 0.85rem;
  color: var(--text-light);
  font-weight: 500;
  min-width: 100px;
}

.news-category {
  display: inline-block;
  padding: 2px 10px;
  background: var(--primary-pale);
  color: var(--primary);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  flex-shrink: 0;
}

.news-title {
  flex: 1;
}

.news-title a {
  color: var(--text-heading);
  font-weight: 500;
  font-size: 0.95rem;
}

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

.news-more {
  text-align: center;
  margin-top: 40px;
}

/* =============================================
   CTA Section
   ============================================= */
.cta-section {
  background: var(--primary-gradient);
  padding: 80px 24px;
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1) 0%, transparent 50%);
}

.cta-section .container {
  position: relative;
  z-index: 2;
}

.cta-section h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 1rem;
  opacity: 0.9;
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* =============================================
   Footer
   ============================================= */
.footer {
  background: #0A1628;
  color: rgba(255,255,255,0.7);
  padding: 64px 24px 32px;
}

.footer-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-about .logo {
  color: white;
  margin-bottom: 16px;
}

.footer-about .logo-icon {
  background: rgba(255,255,255,0.15);
}

.footer-about p {
  font-size: 0.85rem;
  line-height: 1.8;
}

.footer h4 {
  color: white;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-links a {
  display: block;
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  padding: 6px 0;
  transition: all var(--transition);
}

.footer-links a:hover {
  color: white;
  padding-left: 4px;
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 32px;
  text-align: center;
  font-size: 0.8rem;
}

/* =============================================
   Page Header (Sub Pages)
   ============================================= */
.page-header {
  background: var(--primary-gradient);
  padding: calc(var(--header-height) + 60px) 24px 60px;
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 30%, rgba(255,255,255,0.1), transparent 50%);
}

.page-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  position: relative;
}

.page-header p {
  font-size: 1rem;
  opacity: 0.9;
  margin-top: 12px;
  position: relative;
}

.page-header .breadcrumb {
  position: relative;
  margin-top: 20px;
  font-size: 0.85rem;
  opacity: 0.8;
}

.page-header .breadcrumb a {
  color: white;
  opacity: 0.8;
}

.page-header .breadcrumb a:hover {
  opacity: 1;
  color: white;
}

/* =============================================
   Course Detail Page
   ============================================= */
.course-nav {
  background: white;
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: var(--header-height);
  z-index: 100;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.course-nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  gap: 4px;
}

.course-nav a {
  padding: 16px 20px;
  color: var(--text-light);
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  transition: all var(--transition);
}

.course-nav a:hover,
.course-nav a.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* Course Section */
.course-section {
  padding: 80px 24px;
}

.course-section:nth-child(even) {
  background: var(--bg-light);
}

.course-section-header {
  max-width: 800px;
  margin: 0 auto 48px;
  text-align: center;
}

.course-section-header .course-label {
  display: inline-block;
  background: var(--primary-gradient);
  color: white;
  padding: 6px 24px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.course-section-header h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 16px;
}

.course-section-header p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* Venues tags for courses */
.venue-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 16px;
}

.venue-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--primary-pale);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
}

/* Accordion */
.accordion {
  max-width: 900px;
  margin: 0 auto;
}

.accordion-item {
  background: white;
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  border: 1px solid var(--border-light);
  overflow: hidden;
  transition: all var(--transition);
}

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

.accordion-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  transition: background var(--transition);
  user-select: none;
}

.accordion-header:hover {
  background: var(--off-white);
}

.accordion-number {
  width: 36px;
  height: 36px;
  background: var(--primary-pale);
  color: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.accordion-title {
  flex: 1;
  font-weight: 600;
  color: var(--text-heading);
  font-size: 0.95rem;
}

.accordion-toggle {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.accordion-item.active .accordion-toggle {
  transform: rotate(180deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.accordion-content {
  padding: 0 24px 24px;
  padding-left: 76px;
  font-size: 0.9rem;
  line-height: 2;
  color: var(--text-body);
}

.accordion-content p {
  margin-bottom: 16px;
}

.accordion-content .learn-list {
  background: var(--primary-pale);
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  margin: 16px 0;
}

.accordion-content .learn-list li {
  padding: 4px 0;
  position: relative;
  padding-left: 20px;
}

.accordion-content .learn-list li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

/* 1D Seminar Grid */
.seminar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.seminar-card {
  background: white;
  border-radius: var(--radius-md);
  padding: 28px;
  border: 1px solid var(--border-light);
  text-align: center;
  transition: all var(--transition);
}

.seminar-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--border);
}

.seminar-card .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--primary-pale);
  color: var(--primary);
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.seminar-card h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-heading);
  line-height: 1.5;
}

/* Event Schedule */
.schedule-timeline {
  max-width: 700px;
  margin: 32px auto 0;
}

.schedule-day {
  margin-bottom: 32px;
}

.schedule-day h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--primary-pale);
}

.schedule-item {
  display: flex;
  gap: 16px;
  padding: 10px 0;
  font-size: 0.9rem;
}

.schedule-time {
  font-weight: 600;
  color: var(--primary);
  min-width: 70px;
  flex-shrink: 0;
}

.schedule-desc {
  color: var(--text-body);
}

/* Event Info Box */
.info-box {
  background: white;
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--border-light);
  margin: 32px auto 0;
  max-width: 800px;
}

.info-box h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 16px;
}

.info-box ul li {
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
  font-size: 0.9rem;
}

.info-box ul li::before {
  content: '\25CF';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-size: 0.6rem;
  top: 10px;
}

/* =============================================
   Contact Page
   ============================================= */
.contact-section {
  padding: 80px 24px;
}

.contact-venue-selector {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.venue-btn {
  padding: 14px 32px;
  border: 2px solid var(--border);
  border-radius: 50px;
  background: white;
  color: var(--text-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

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

.venue-btn.active {
  background: var(--primary-gradient);
  color: white;
  border-color: var(--primary);
}

.contact-panels {
  max-width: 800px;
  margin: 0 auto;
}

.contact-panel {
  display: none;
}

.contact-panel.active {
  display: block;
}

.organizer-info {
  background: var(--primary-pale);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 40px;
  display: flex;
  gap: 24px;
  align-items: center;
}

.organizer-icon {
  width: 64px;
  height: 64px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.organizer-details h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 4px;
}

.organizer-details p {
  font-size: 0.85rem;
  color: var(--text-light);
}

/* Contact Form */
.contact-form {
  background: white;
  border-radius: var(--radius-lg);
  padding: 48px;
  border: 1px solid var(--border-light);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 8px;
}

.form-group label .required {
  color: #E53935;
  font-size: 0.75rem;
  margin-left: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text-body);
  transition: border-color var(--transition), box-shadow var(--transition);
  background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(21,101,192,0.1);
}

.form-group textarea {
  min-height: 160px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.form-submit {
  text-align: center;
  margin-top: 32px;
}

.form-submit .btn {
  min-width: 240px;
}

/* =============================================
   News Page
   ============================================= */
.news-page-list {
  max-width: 800px;
  margin: 0 auto;
}

.news-page-item {
  background: white;
  border-radius: var(--radius-md);
  padding: 32px;
  margin-bottom: 24px;
  border: 1px solid var(--border-light);
  transition: all var(--transition);
}

.news-page-item:hover {
  box-shadow: var(--shadow-md);
}

.news-page-meta {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}

.news-page-item h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 8px;
}

.news-page-item h3 a {
  color: var(--text-heading);
}

.news-page-item h3 a:hover {
  color: var(--primary);
}

.news-page-item p {
  font-size: 0.9rem;
  color: var(--text-light);
}

.wp-notice {
  background: var(--primary-pale);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
  margin: 48px auto;
  max-width: 600px;
}

.wp-notice h3 {
  color: var(--primary);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.wp-notice p {
  font-size: 0.85rem;
  color: var(--text-light);
}

/* =============================================
   Responsive Design
   ============================================= */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

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

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: white;
    flex-direction: column;
    padding: 100px 32px 40px;
    gap: 8px;
    transition: right var(--transition);
    box-shadow: var(--shadow-xl);
    z-index: 999;
    align-items: stretch;
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-menu a {
    padding: 14px 16px;
    font-size: 1rem;
    border-radius: var(--radius-sm);
  }

  .nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 998;
  }

  .nav-overlay.active {
    display: block;
  }

  .hero {
    min-height: 90vh;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .section {
    padding: 64px 20px;
  }

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

  .features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

  .about-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }

  .about-stat .number {
    font-size: 1.5rem;
  }

  .news-item {
    flex-direction: column;
    gap: 8px;
  }

  .news-date {
    min-width: auto;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .course-nav-inner {
    padding: 0 16px;
  }

  .accordion-content {
    padding-left: 24px;
  }

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

  .contact-form {
    padding: 32px 24px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .organizer-info {
    flex-direction: column;
    text-align: center;
  }

  .info-box {
    padding: 28px 24px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.5rem;
  }

  .section-header h2 {
    font-size: 1.4rem;
  }

  .about-stats {
    grid-template-columns: 1fr;
  }

  .course-card {
    padding: 28px;
  }

  .logo-text {
    font-size: 0.9rem;
  }

  .logo-text small {
    font-size: 0.6rem;
  }

  .contact-venue-selector {
    flex-direction: column;
    align-items: center;
  }

  .venue-btn {
    width: 100%;
    max-width: 280px;
  }
}

/* Utility */
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }
.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }