/* ==========================================================================
   iTouch - 大阪経済法科大学 公認ITサークル 公式Webサイト スタイルシート
   【顧問・副顧問紹介対応 / 完全レスポンシブ設計】
   ========================================================================== */

/* --- CSS 変数・テーマ設定 --- */
:root {
  --primary: #0284c7;             /* プライマリーブルー */
  --primary-hover: #0369a1;
  --primary-dark: #075985;
  --primary-light: #e0f2fe;
  --primary-gradient: linear-gradient(135deg, #0284c7 0%, #2563eb 50%, #4f46e5 100%);
  
  --accent: #10b981;              /* アクセントグリーン */
  --accent-light: #d1fae5;
  --accent-dark: #059669;

  --amber: #f59e0b;               /* 受賞・ゴールド */
  --amber-light: #fef3c7;
  --amber-dark: #b45309;

  --purple: #8b5cf6;
  --purple-light: #ede9fe;
  --purple-dark: #6d28d9;

  --rose: #f43f5e;
  --rose-light: #ffe4e6;
  
  --bg-main: #ffffff;
  --bg-sub: #f8fafc;
  --bg-card: #ffffff;
  --bg-dark: #0f172a;
  
  --text-main: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 24px -4px rgba(15, 23, 42, 0.12);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --font-sans: 'Plus Jakarta Sans', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --header-height: 64px;
  --transition: all 0.25s ease;
}

@media (min-width: 769px) {
  :root {
    --header-height: 72px;
  }
}

/* --- リセット & 基本スタイル (横スクロール絶対防止) --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 12px);
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-body);
  line-height: 1.7;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  word-break: break-word;
  overflow-wrap: break-word;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* --- レイアウトコンテナ --- */
.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 769px) {
  .container {
    padding: 0 1.5rem;
  }
}

.container-narrow {
  width: 100%;
  max-width: 840px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 769px) {
  .container-narrow {
    padding: 0 1.5rem;
  }
}

/* --- タイポグラフィ --- */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 800;
  line-height: 1.35;
}

.gradient-text {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* --- バッジ & タグ --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
  max-width: 100%;
}

.badge-primary {
  background-color: var(--primary-light);
  color: var(--primary-dark);
  border: 1px solid rgba(2, 132, 199, 0.25);
}

.badge-accent {
  background-color: var(--accent-light);
  color: var(--accent-dark);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.badge-amber {
  background-color: var(--amber-light);
  color: var(--amber-dark);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-purple {
  background-color: var(--purple-light);
  color: var(--purple-dark);
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.badge-rose {
  background-color: var(--rose-light);
  color: var(--rose);
  border: 1px solid rgba(244, 63, 94, 0.3);
}

.badge-dark {
  background: #f1f5f9;
  color: var(--text-body);
  border: 1px solid var(--border);
}

/* --- ボタン --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  transition: var(--transition);
  text-align: center;
  box-sizing: border-box;
  max-width: 100%;
  line-height: 1.4;
  word-break: break-word;
}

.btn-primary {
  background: var(--primary-gradient);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(2, 132, 199, 0.45);
  color: #ffffff;
}

.btn-secondary {
  background: #ffffff;
  color: var(--text-main);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background-color: #f8fafc;
  border-color: #cbd5e1;
}

.btn-instagram {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(220, 39, 67, 0.3);
}

.btn-instagram:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(220, 39, 67, 0.45);
  color: #ffffff;
}

.btn-line {
  background-color: #06c755;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(6, 199, 85, 0.3);
}

.btn-line:hover {
  background-color: #05b04b;
}

.btn-pulse {
  position: relative;
}

.btn-pulse::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: var(--radius-full);
  border: 2px solid var(--primary);
  opacity: 0.6;
  animation: pulse-ring 2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
  pointer-events: none;
}

@keyframes pulse-ring {
  0% { transform: scale(0.98); opacity: 0.8; }
  50% { transform: scale(1.05); opacity: 0; }
  100% { transform: scale(0.98); opacity: 0; }
}

/* --- ヘッダー & ナビゲーション --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  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);
  transition: var(--transition);
  width: 100%;
}

.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-width: 0;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.1rem;
  flex-shrink: 0;
}

@media (min-width: 769px) {
  .logo-icon {
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
  }
}

.logo-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.logo-brand {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
  line-height: 1.2;
  white-space: nowrap;
}

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

.logo-sub {
  font-size: 0.625rem;
  color: var(--text-muted);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-links {
  display: none;
}

.nav-cta-group {
  display: none;
}

@media (min-width: 960px) {
  .nav-links {
    display: flex;
    align-items: center;
    gap: 1.3rem;
    list-style: none;
  }

  .nav-link {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-body);
    padding: 0.35rem 0;
  }

  .nav-link:hover {
    color: var(--primary);
  }

  .nav-cta-group {
    display: flex;
    align-items: center;
    gap: 0.6rem;
  }
}

.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  z-index: 1002;
  align-items: center;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background-color: var(--text-main);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

@media (min-width: 960px) {
  .hamburger {
    display: none;
  }
}

/* スマホ用スライドドロワーメニュー */
.mobile-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  height: calc(100dvh - var(--header-height));
  background: #ffffff;
  padding: 1.5rem 1.25rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  z-index: 1001;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  border-top: 1px solid var(--border);
  box-sizing: border-box;
}

.mobile-nav.open {
  transform: translateX(0);
}

.mobile-nav-link {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background-color: var(--bg-sub);
}

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

.mobile-nav-actions {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* --- ヒーローセクション --- */
.hero-section {
  position: relative;
  padding: calc(var(--header-height) + 25px) 0 45px;
  background: radial-gradient(circle at 10% 20%, rgba(224, 242, 254, 0.7) 0%, transparent 40%),
              radial-gradient(circle at 90% 80%, rgba(209, 250, 229, 0.5) 0%, transparent 40%),
              #ffffff;
  overflow: hidden;
  width: 100%;
}

@media (min-width: 769px) {
  .hero-section {
    padding: calc(var(--header-height) + 55px) 0 75px;
  }
}

.hero-inner {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-tagline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.95rem;
  background: #ffffff;
  border-radius: var(--radius-full);
  border: 1px solid rgba(2, 132, 199, 0.3);
  box-shadow: var(--shadow-sm);
  font-size: 0.8rem;
  color: var(--primary-dark);
  font-weight: 700;
  margin-bottom: 1.25rem;
  max-width: 100%;
}

.hero-title {
  font-size: clamp(1.75rem, 6.5vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.28;
  margin-bottom: 1.25rem;
  color: var(--text-main);
}

.hero-description {
  font-size: clamp(0.95rem, 2.8vw, 1.15rem);
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 2rem;
  max-width: 740px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2.5rem;
  width: 100%;
}

.hero-actions .btn {
  width: 100%;
  padding: 0.95rem 1.25rem;
}

@media (min-width: 600px) {
  .hero-actions {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero-actions .btn {
    width: auto;
    min-width: 240px;
  }
}

/* ヒーローのバッジカード（スマホ2×2、PC4カラム） */
.hero-badges-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  width: 100%;
}

@media (min-width: 769px) {
  .hero-badges-row {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-top: 2rem;
  }
}

.hero-badge-card {
  background: #ffffff;
  padding: 0.85rem 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-align: left;
}

.badge-icon-box {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
}

.badge-card-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 600;
  line-height: 1.2;
}

.badge-card-val {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.3;
}

@media (min-width: 769px) {
  .hero-badge-card {
    padding: 1.1rem 1.25rem;
    gap: 0.85rem;
  }
  .badge-icon-box {
    width: 44px;
    height: 44px;
    font-size: 1.25rem;
  }
  .badge-card-label {
    font-size: 0.75rem;
  }
  .badge-card-val {
    font-size: 0.95rem;
  }
}

/* --- セクション共通 --- */
.section {
  padding: 55px 0;
  position: relative;
  width: 100%;
}

@media (min-width: 769px) {
  .section {
    padding: 85px 0;
  }
}

.section-sub {
  background-color: var(--bg-sub);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 2.5rem;
}

@media (min-width: 769px) {
  .section-header {
    margin-bottom: 3.5rem;
  }
}

.section-eyebrow {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.5rem;
  display: inline-block;
}

.section-title {
  font-size: clamp(1.6rem, 5vw, 2.5rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--text-main);
  line-height: 1.32;
  margin-bottom: 0.85rem;
}

.section-subtitle {
  font-size: clamp(0.9rem, 2.5vw, 1.05rem);
  color: var(--text-muted);
  line-height: 1.75;
}

/* --- テキスト駆動型：受賞実績カード（Awards） --- */
.awards-grid {
  display: flex;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  gap: 1rem;
  width: 100%;
  padding-bottom: 1.25rem;
  padding-top: 0.25rem;
  margin-inline: -1rem;
  padding-inline: 1rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(2, 132, 199, 0.3) transparent;
}

.awards-grid::-webkit-scrollbar {
  height: 5px;
}

.awards-grid::-webkit-scrollbar-track {
  background: #f1f5f9;
  border-radius: 9999px;
  margin-inline: 1rem;
}

.awards-grid::-webkit-scrollbar-thumb {
  background: rgba(2, 132, 199, 0.4);
  border-radius: 9999px;
}

.award-box {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  flex: 0 0 85%;
  max-width: 320px;
  min-width: 270px;
  scroll-snap-align: start;
  box-sizing: border-box;
}

@media (min-width: 769px) {
  .awards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    overflow-x: visible;
    padding-bottom: 0;
    padding-top: 0;
    margin-inline: 0;
    padding-inline: 0;
  }

  .award-box {
    flex: initial;
    max-width: 100%;
    min-width: 0;
  }
}

.award-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: var(--primary);
}

.award-box.gold::before {
  background: linear-gradient(to bottom, #f59e0b, #d97706);
}

.award-box.blue::before {
  background: linear-gradient(to bottom, #0284c7, #2563eb);
}

.award-box.green::before {
  background: linear-gradient(to bottom, #10b981, #059669);
}

.award-box.purple::before {
  background: linear-gradient(to bottom, #8b5cf6, #6d28d9);
}

.award-box:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: rgba(2, 132, 199, 0.4);
}

.award-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.award-icon-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.award-icon-circle {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.award-heading {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.35;
  margin-bottom: 0.5rem;
}

.award-detail-text {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 1rem;
  flex-grow: 1;
}

.award-meta-tag {
  font-size: 0.8rem;
  color: var(--text-body);
  background: var(--bg-sub);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  align-self: flex-start;
}

/* --- 特設：総合Webサイト「iTouch offer」紹介カード --- */
.portal-card {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.25rem;
  color: #ffffff;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 2rem;
  width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

@media (min-width: 900px) {
  .portal-card {
    padding: 3.5rem 3rem;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: center;
    border-radius: 28px;
  }
}

.portal-info {
  width: 100%;
}

.portal-badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.85rem;
  background: rgba(2, 132, 199, 0.25);
  border: 1px solid rgba(2, 132, 199, 0.5);
  border-radius: var(--radius-full);
  color: #38bdf8;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.portal-title {
  font-size: clamp(1.5rem, 5vw, 2.5rem);
  font-weight: 900;
  color: #ffffff;
  line-height: 1.28;
  margin-bottom: 1rem;
}

.portal-lead {
  font-size: 0.95rem;
  color: #cbd5e1;
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.portal-features-grid {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

@media (min-width: 600px) {
  .portal-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
}

.portal-feature-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: #f1f5f9;
  font-weight: 600;
}

.portal-feature-item i {
  color: #38bdf8;
  font-size: 1rem;
  flex-shrink: 0;
}

.portal-btn-row {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
}

.portal-btn-row .btn {
  width: 100%;
}

@media (min-width: 600px) {
  .portal-btn-row {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .portal-btn-row .btn {
    width: auto;
  }
}

/* スマホモックアップ（iTouch offer 本物忠実再現・Premium Whiteスタイル） */
.portal-visual {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 1rem 0;
}

.mockup-phone-wrapper {
  position: relative;
  width: 100%;
  max-width: 320px;
  background: #0f172a;
  border-radius: 40px;
  padding: 11px;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.7),
              0 0 0 1px rgba(255, 255, 255, 0.15),
              inset 0 0 0 2px #334155;
  box-sizing: border-box;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.3s;
  cursor: pointer;
}

.mockup-phone-wrapper:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 30px 70px -12px rgba(2, 132, 199, 0.4),
              0 0 0 2px rgba(56, 189, 248, 0.5);
}

.mockup-phone-notch {
  position: absolute;
  top: 19px;
  left: 50%;
  transform: translateX(-50%);
  width: 88px;
  height: 18px;
  background: #000000;
  border-radius: 12px;
  z-index: 30;
  box-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

.mockup-screen {
  position: relative;
  width: 100%;
  background: #ffffff;
  border-radius: 30px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.05);
  font-family: 'Outfit', 'Noto Sans JP', sans-serif;
}

/* ステータスバー */
.mockup-statusbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 18px 4px;
  font-size: 0.65rem;
  font-weight: 800;
  color: #0f172a;
  background: #ffffff;
  z-index: 20;
}

.statusbar-icons {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.6rem;
}

/* アプリヘッダー（本物offer完全一致） */
.mockup-app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 12px 10px;
  background: #ffffff;
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

.mockup-app-logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mockup-app-logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, #00b0ff, #00e676);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 0.95rem;
  color: #ffffff;
  box-shadow: 0 3px 8px rgba(0, 176, 255, 0.25);
  flex-shrink: 0;
}

.mockup-app-logo-text {
  display: flex;
  flex-direction: column;
}

.mockup-app-title {
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.3px;
  background: linear-gradient(to right, #0088cc, #00b050);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.15;
}

.mockup-app-subtitle {
  font-size: 0.52rem;
  color: #64748b;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.mockup-app-header-controls {
  display: flex;
  flex-direction: column;
  gap: 3px;
  align-items: flex-end;
}

.mockup-lang-pill {
  display: flex;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 2px;
  gap: 2px;
}

.mockup-lang-pill span {
  font-size: 0.52rem;
  font-weight: 700;
  padding: 1px 4px;
  border-radius: 6px;
  color: #64748b;
}

.mockup-lang-pill span.active {
  background: #0088cc;
  color: #ffffff;
}

.mockup-device-badge {
  font-size: 0.52rem;
  color: #475569;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 3px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  padding: 1px 5px;
  border-radius: 6px;
}

/* スクロール領域 */
.mockup-scroll-body {
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 9px;
  background: #ffffff;
}

/* 1. バナーカルーセル */
.mockup-banner-carousel {
  position: relative;
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  border-radius: 14px;
  padding: 12px 14px 10px;
  color: #ffffff;
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.2);
}

.mockup-banner-badge {
  display: inline-block;
  font-size: 0.52rem;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.2);
  padding: 2px 6px;
  border-radius: 999px;
  margin-bottom: 4px;
}

.mockup-banner-heading {
  font-size: 0.78rem;
  font-weight: 900;
  line-height: 1.25;
  margin-bottom: 2px;
}

.mockup-banner-sub {
  font-size: 0.55rem;
  opacity: 0.9;
}

.mockup-carousel-dots {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-top: 6px;
}

.mockup-carousel-dots .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
}

.mockup-carousel-dots .dot.active {
  width: 14px;
  border-radius: 999px;
  background: #ffffff;
}

/* 2. 大学主要リンク 3カラム */
.mockup-links-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.mockup-link-card {
  background: rgba(248, 250, 252, 0.85);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 12px;
  padding: 7px 4px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  box-shadow: 0 2px 6px rgba(148, 163, 184, 0.06);
}

.mockup-link-icon-box {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
}

.mockup-link-icon-box.blue {
  background: #e0f2fe;
  color: #0284c7;
}

.mockup-link-icon-box.orange {
  background: #ffedd5;
  color: #ea580c;
}

.mockup-link-icon-box.purple {
  background: #ede9fe;
  color: #7c3aed;
}

.mockup-link-name {
  font-size: 0.55rem;
  font-weight: 800;
  color: #0f172a;
  line-height: 1.15;
}

/* 3. 授業スケジュールハイライト */
.mockup-class-card {
  background: rgba(248, 250, 252, 0.85);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 12px;
  padding: 8px 10px;
  box-shadow: 0 2px 6px rgba(148, 163, 184, 0.06);
}

.mockup-class-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3px;
}

.mockup-class-title {
  font-size: 0.62rem;
  font-weight: 800;
  color: #0f172a;
  display: flex;
  align-items: center;
  gap: 4px;
}

.mockup-class-title i {
  color: #0088cc;
}

.mockup-class-badge {
  font-size: 0.52rem;
  font-weight: 800;
  background: rgba(0, 136, 204, 0.1);
  color: #0088cc;
  padding: 1px 5px;
  border-radius: 4px;
}

.mockup-class-subject {
  font-size: 0.72rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 2px;
}

.mockup-class-meta {
  display: flex;
  gap: 8px;
  font-size: 0.52rem;
  color: #64748b;
  font-weight: 700;
}

/* 4. バスダブルカウントダウン（offerの看板機能） */
.mockup-bus-card {
  background: rgba(248, 250, 252, 0.85);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 14px;
  padding: 9px 10px;
  box-shadow: 0 3px 10px rgba(148, 163, 184, 0.08);
}

.mockup-bus-header {
  text-align: center;
  font-size: 0.62rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.mockup-bus-split {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mockup-bus-col {
  flex: 1;
  text-align: center;
}

.mockup-bus-route-name {
  font-size: 0.58rem;
  font-weight: 800;
  margin-bottom: 2px;
}

.mockup-bus-route-name.yao {
  color: #0088cc;
}

.mockup-bus-route-name.hanaoka {
  color: #00b050;
}

.mockup-bus-time-val {
  font-size: 1.15rem;
  font-weight: 900;
  color: #0f172a;
  line-height: 1;
  font-family: var(--font-mono);
  margin-bottom: 2px;
}

.mockup-bus-countdown {
  font-size: 0.52rem;
  font-weight: 700;
  color: #64748b;
}

.mockup-bus-divider {
  width: 1px;
  height: 34px;
  background: rgba(226, 232, 240, 0.9);
  margin: 0 4px;
}

/* ボトムナビゲーション */
.mockup-bottom-nav {
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 6px 4px 10px;
  background: #ffffff;
  border-top: 1px solid rgba(226, 232, 240, 0.9);
}

.mockup-nav-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  color: #64748b;
  font-size: 0.52rem;
  font-weight: 700;
}

.mockup-nav-btn i {
  font-size: 0.75rem;
}

.mockup-nav-btn.active {
  color: #0088cc;
}

/* 体験促進のヒントバッジ */
.mockup-interactive-hint {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(15, 23, 42, 0.88);
  color: #ffffff;
  backdrop-filter: blur(8px);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.62rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.2);
  pointer-events: none;
  opacity: 0.9;
  transition: opacity 0.2s, transform 0.2s;
}

.mockup-phone-wrapper:hover .mockup-interactive-hint {
  opacity: 1;
  background: #0088cc;
  transform: translateX(-50%) translateY(-2px);
}

/* --- テキスト駆動型：秋学期プロジェクト（Autumn Projects） --- */
.projects-grid {
  display: flex;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  gap: 1rem;
  width: 100%;
  padding-bottom: 1.25rem;
  padding-top: 0.25rem;
  margin-inline: -1rem;
  padding-inline: 1rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(2, 132, 199, 0.3) transparent;
}

.projects-grid::-webkit-scrollbar {
  height: 5px;
}

.projects-grid::-webkit-scrollbar-track {
  background: #f1f5f9;
  border-radius: 9999px;
  margin-inline: 1rem;
}

.projects-grid::-webkit-scrollbar-thumb {
  background: rgba(2, 132, 199, 0.4);
  border-radius: 9999px;
}

.project-box {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  flex: 0 0 85%;
  max-width: 320px;
  min-width: 270px;
  scroll-snap-align: start;
  box-sizing: border-box;
}

@media (min-width: 769px) {
  .projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    overflow-x: visible;
    padding-bottom: 0;
    padding-top: 0;
    margin-inline: 0;
    padding-inline: 0;
  }

  .project-box {
    flex: initial;
    max-width: 100%;
    min-width: 0;
  }
}

/* スワイプ案内ピル（スマホのみ表示） */
.scroll-hint-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: #f0f9ff;
  color: #0284c7;
  font-size: 0.76rem;
  font-weight: 700;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  border: 1px solid #bae6fd;
  margin-bottom: 1.25rem;
}

@media (min-width: 769px) {
  .scroll-hint-pill {
    display: none;
  }
}

.project-box:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.project-box-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.project-icon-square {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.project-box-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.35;
  margin-bottom: 0.5rem;
}

.project-box-desc {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.project-info-list {
  background-color: var(--bg-sub);
  border-radius: var(--radius-md);
  padding: 1rem 1.1rem;
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.project-info-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.project-info-item i {
  color: var(--primary);
  margin-top: 3px;
  width: 16px;
  flex-shrink: 0;
}

/* --- サークル概要 & 毎週水曜日の活動（About） --- */
.about-banner-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 2rem 1.5rem;
  width: 100%;
}

@media (min-width: 769px) {
  .about-banner-card {
    padding: 2.75rem;
  }
}

.about-features-3col {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 1.75rem;
}

@media (min-width: 769px) {
  .about-features-3col {
    grid-template-columns: repeat(3, 1fr);
  }
}

.about-mini-box {
  background: var(--bg-sub);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.about-mini-icon {
  font-size: 1.5rem;
  color: var(--primary);
}

.about-mini-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-main);
}

.about-mini-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* --- チーム体制 & 役員 --- */
.team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  width: 100%;
}

@media (min-width: 600px) {
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .team-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.team-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 1.5rem 1.25rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: var(--transition);
}

.team-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.team-avatar-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 0.85rem;
}

.team-role {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary-dark);
  background: var(--primary-light);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.5rem;
}

.team-name {
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 0.65rem;
}

.team-task {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.65;
  text-align: left;
  width: 100%;
  background: var(--bg-sub);
  padding: 0.75rem;
  border-radius: var(--radius-sm);
}

/* --- 顧問・副顧問紹介グリッド（五島先生 ＆ 岩田先生） --- */
.advisors-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  width: 100%;
  margin-top: 2rem;
}

@media (min-width: 769px) {
  .advisors-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.75rem;
  }
}

.advisor-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.advisor-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.advisor-header-row {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-light);
}

.advisor-img-box {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--primary-light);
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
  background-color: var(--bg-sub);
}

@media (min-width: 769px) {
  .advisor-img-box {
    width: 84px;
    height: 84px;
  }
}

.advisor-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.advisor-titles {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.advisor-role-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  align-self: flex-start;
}

.advisor-role-badge.komon {
  background: var(--primary-light);
  color: var(--primary-dark);
  border: 1px solid rgba(2, 132, 199, 0.3);
}

.advisor-role-badge.fuku {
  background: var(--accent-light);
  color: var(--accent-dark);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.advisor-name {
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--text-main);
  line-height: 1.2;
}

.advisor-ruby {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.advisor-post {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

.advisor-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.advisor-table tr {
  border-bottom: 1px solid var(--border-light);
}

.advisor-table tr:last-child {
  border-bottom: none;
}

.advisor-table th {
  text-align: left;
  padding: 0.65rem 0.25rem;
  color: var(--text-muted);
  font-weight: 700;
  width: 85px;
  vertical-align: top;
}

.advisor-table td {
  padding: 0.65rem 0.25rem;
  color: var(--text-body);
  line-height: 1.6;
}

.advisor-link-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-sm);
  background-color: var(--bg-sub);
  color: var(--primary-dark);
  font-size: 0.825rem;
  font-weight: 700;
  border: 1px solid var(--border);
  transition: var(--transition);
  text-align: center;
}

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

/* --- Instagram セクション（大阪経済法科大学HPスタイル準拠 3*2 画像グリッド） --- */
.instagramSect {
  padding-block: 70px 50px;
  background-color: #f8fafc;
  position: relative;
  overflow: hidden;
}

@media (max-width: 767px) {
  .instagramSect {
    padding-block: 44px 25px;
  }
}

.instagramSect_header {
  margin-bottom: 30px;
  width: 100%;
}

@media (max-width: 767px) {
  .instagramSect_header {
    margin-bottom: 16px;
  }
}

.instagramSect_head {
  gap: 15px 30px;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
}

.el_sectTtlGroup {
  position: relative;
}

.el_sectTtlGroup_ttl {
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: #1d2080; /* 大阪経済法科大学メインブルー */
  margin-bottom: 0.25rem;
}

@media (max-width: 767px) {
  .el_sectTtlGroup_ttl {
    font-size: 1.65rem;
  }
}

.el_sectTtlGroup_sub {
  display: inline-block;
  background-color: #1d2080;
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 4px;
  letter-spacing: 0.05em;
}

.instagramSect_username {
  line-height: 1.5;
  color: #1d2080;
  font-weight: 800;
  font-size: 1.05rem;
  margin: 0;
}

.instagramSect_username a {
  color: inherit;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: opacity 0.3s ease;
}

.instagramSect_username a:hover {
  opacity: 0.7;
}

/* 大阪経済法科大学HP仕様：3*2 (3列×2行) 画像のみのグリッド */
.instagramSect_container {
  width: 100%;
  margin-bottom: 2rem;
}

.instagramSect_slides {
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important;
  gap: 18px;
  list-style: none;
  padding: 0;
  margin: 0;
  width: 100%;
}

@media (max-width: 767px) {
  .instagramSect_slides {
    gap: 8px; /* 大学サイトのスマホ仕様 */
  }
}

.instagramSect_slide {
  width: 100%;
  box-sizing: border-box;
}

.instagramSect_slide > a {
  display: block;
  width: 100%;
  transition: opacity 0.3s ease-in-out;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.instagramSect_slide > a:hover {
  opacity: 0.6; /* 大学サイト仕様の透過ホバー */
}

.instagramSect_image {
  width: 100%;
  aspect-ratio: 1 / 1; /* 正方形 1:1 比率に完全修正 */
  position: relative;
  overflow: hidden;
  background: #f1f5f9;
}

.instagramSect_image img {
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 1; /* 正方形 1:1 比率に完全統一 */
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}

.instagramSect_slide:hover .instagramSect_image img {
  transform: scale(1.04);
}

/* 最新公式投稿Embedカード */
.instagram-latest-embed-wrap {
  width: 100%;
  max-width: 540px;
  margin: 0 auto 2.25rem auto;
}

.instagram-latest-embed-box {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 1.25rem 1rem;
  box-shadow: var(--shadow-sm);
  text-align: center;
}

@media (min-width: 500px) {
  .instagram-latest-embed-box {
    padding: 1.5rem 1.25rem;
  }
}

.latest-embed-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 0.92rem;
  color: #0f172a;
  margin-bottom: 1rem;
}

.latest-embed-header i {
  color: #dc2743;
}

.instagram-latest-embed-box blockquote.instagram-media,
.instagram-latest-embed-box iframe {
  width: 100% !important;
  max-width: 100% !important;
  min-width: 0 !important;
  box-sizing: border-box !important;
  margin: 0 auto !important;
}

.instagramSect_btn_wrap {
  text-align: center;
  margin-top: 1.5rem;
}

/* --- FAQ アコーディオン --- */
.faq-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  width: 100%;
}

.faq-trigger {
  width: 100%;
  text-align: left;
  padding: 1rem 1.1rem;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-main);
  cursor: pointer;
  box-sizing: border-box;
}

.faq-trigger-left {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  flex-grow: 1;
}

.faq-q-tag {
  color: var(--primary);
  font-family: var(--font-mono);
  font-weight: 900;
  flex-shrink: 0;
}

.faq-arrow {
  color: var(--text-muted);
  transition: transform 0.25s ease;
  margin-top: 3px;
  flex-shrink: 0;
}

.faq-item.active .faq-arrow {
  transform: rotate(180deg);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  background-color: var(--bg-sub);
}

.faq-body-inner {
  padding: 1rem 1.1rem;
  font-size: 0.9rem;
  color: var(--text-body);
  line-height: 1.7;
  border-top: 1px solid var(--border-light);
}

/* --- コンタクト / 参加CTAバナー --- */
.cta-banner {
  background: linear-gradient(135deg, #f0fdf4 0%, #e0f2fe 100%);
  border: 1px solid rgba(2, 132, 199, 0.2);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.25rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  margin-bottom: 2rem;
  width: 100%;
  box-sizing: border-box;
}

@media (min-width: 769px) {
  .cta-banner {
    padding: 3.5rem 2.5rem;
    margin-bottom: 3.5rem;
  }
}

.cta-banner h2 {
  font-size: clamp(1.4rem, 4.5vw, 2.2rem);
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 0.85rem;
}

.cta-banner p {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto 1.75rem;
  line-height: 1.75;
}

.cta-buttons-row {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
}

.cta-buttons-row .btn {
  width: 100%;
}

@media (min-width: 600px) {
  .cta-buttons-row {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
  }
  .cta-buttons-row .btn {
    width: auto;
  }
}

/* --- フッター --- */
.site-footer {
  background-color: var(--bg-dark);
  color: #94a3b8;
  padding: 45px 0 25px;
  font-size: 0.875rem;
  width: 100%;
}

@media (min-width: 769px) {
  .site-footer {
    padding: 65px 0 35px;
  }
}

.footer-main-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 2.5rem;
  width: 100%;
}

@media (min-width: 769px) {
  .footer-main-grid {
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
  }
}

.footer-about h4 {
  color: #ffffff;
  font-size: 1.15rem;
  font-weight: 900;
  margin-bottom: 0.75rem;
}

.footer-about p {
  line-height: 1.75;
  margin-bottom: 1rem;
  color: #cbd5e1;
  font-size: 0.85rem;
}

.footer-links-col h5 {
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 800;
  margin-bottom: 0.85rem;
}

.footer-links-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links-col a:hover {
  color: #38bdf8;
}

.footer-bottom-row {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: center;
  font-size: 0.75rem;
}

@media (min-width: 600px) {
  .footer-bottom-row {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}