/* リセット & ベーススタイル */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  line-height: 1.6;
  color: #333333;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.8), rgba(240, 249, 255, 0.9)),
    radial-gradient(circle at 25% 25%, rgba(59, 130, 246, 0.1) 0%, transparent 60%),
    radial-gradient(circle at 75% 75%, rgba(16, 185, 129, 0.1) 0%, transparent 60%);
  background-attachment: fixed;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* アニメーション定義 */
@keyframes glitch {

  0%,
  100% {
    transform: translate(0);
  }

  20% {
    transform: translate(-2px, 2px);
  }

  40% {
    transform: translate(-2px, -2px);
  }

  60% {
    transform: translate(2px, 2px);
  }

  80% {
    transform: translate(2px, -2px);
  }
}

@keyframes neonPulse {

  0%,
  100% {
    box-shadow: 0 0 5px rgb(0, 78, 162), 0 0 10px rgb(0, 78, 162), 0 0 15px rgb(0, 78, 162);
  }

  50% {
    box-shadow: 0 0 10px rgb(0, 78, 162), 0 0 20px rgb(0, 78, 162), 0 0 25px rgb(0, 78, 162);
  }
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-20px);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes countUp {
  from {
    transform: scale(0.5);
    opacity: 0;
  }

  to {
    transform: scale(1);
    opacity: 1;
  }
}

/* ヘッダー */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 255, 136, 0.2);
  z-index: 1000;
  transition: all 0.3s ease;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 20px;
}

.logo img {
  height: 40px;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-list a {
  color: #374151 !important;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
}

.nav-list a:hover {
  color: rgb(0, 62, 130) !important;
  text-shadow: 0 0 10px rgba(15, 118, 110, 0.3);
}

.nav-list a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, rgb(0, 62, 130), #0891b2);
  transition: width 0.3s ease;
}

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

.burger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.burger span {
  width: 25px;
  height: 3px;
  background: rgb(0, 62, 130);
  margin: 3px 0;
  transition: 0.3s;
}

/* ヒーローセクション */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, rgba(255, 255, 255, 0.7), rgba(0, 255, 136, 0.2));
  z-index: -1;
}

.hero-content {
  width: 100%;
  z-index: 1;
}

.hero-simple {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 200px);
  padding-top: 120px;
  text-align: center;
}

.hero-cta-simple {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  margin-top: 3rem;
}

.hero-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 3rem;
  width: 100%;
  max-width: 1000px;
}

.action-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: 25px;
  padding: 2.5rem;
  border: 2px solid rgba(15, 118, 110, 0.3);
  box-shadow: 0 15px 60px rgba(15, 118, 110, 0.2);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.action-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(15, 118, 110, 0.1), transparent);
  transition: left 0.6s ease;
}

.action-card:hover::before {
  left: 100%;
}

.action-card:hover {
  transform: translateY(-10px);
  border-color: rgb(0, 62, 130);
  box-shadow: 0 25px 80px rgba(15, 118, 110, 0.3);
}

.agreement-section {
  margin-bottom: 2rem;
}

.notice-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: 25px;
  padding: 2.5rem;
  border: 2px solid rgba(239, 68, 68, 0.4);
  box-shadow: 0 15px 60px rgba(239, 68, 68, 0.2);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.notice-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(239, 68, 68, 0.1), transparent);
  transition: left 0.6s ease;
}

.notice-card:hover::before {
  left: 100%;
}

.notice-card:hover {
  transform: translateY(-10px);
  border-color: #dc2626;
  box-shadow: 0 25px 80px rgba(239, 68, 68, 0.3);
}

.notice-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  justify-content: center;
}

.notice-icon {
  font-size: 1.5rem;
}

.notice-content p {
  margin-bottom: 1rem;
  line-height: 1.6;
}

.notice-report {
  font-weight: 600;
  color: #dc2626;
}

.hero-title {
  font-family: 'Orbitron', monospace;
  font-size: 2.8rem;
  font-weight: 900;
  margin-bottom: 1rem;
  animation: fadeInUp 1s ease 0.2s both;
  padding: 1rem 2rem;
  backdrop-filter: blur(15px);
  background: rgba(255, 255, 255, 0.95);
  border-radius: 20px;
  display: inline-block;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.glitch {
  background: linear-gradient(45deg, #1e40af, #0891b2, #059669);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% 200%;
}

.glitch {
  position: relative;
  display: inline-block;
}


.hero-subtitle {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  animation: fadeInUp 1s ease 0.4s both;
  font-weight: 700;
  padding: 0.8rem 1.5rem;
  backdrop-filter: blur(15px);
  background: rgba(255, 255, 255, 0.9);
  border-radius: 15px;
  display: inline-block;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  background: linear-gradient(45deg, #0891b2, rgb(0, 62, 130));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  color: #1f2937;
  font-weight: 500;
  animation: fadeInUp 1s ease 0.6s both;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 4rem;
  margin-bottom: 3rem;
  animation: fadeInUp 1s ease 0.8s both;
}

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

.stat-number {
  display: block;
  font-family: 'Orbitron', monospace;
  font-size: 3rem;
  font-weight: 700;
  color: #1e40af;
  text-shadow: 0 0 20px rgba(30, 64, 175, 0.3);
}

.stat-label {
  font-size: 0.9rem;
  color: #374151;
  font-weight: 600;
}

.hero-cta {
  display: flex;
  justify-content: center;
  gap: 2rem;
  animation: fadeInUp 1s ease 1s both;
}

.agreement-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.agreement-checkbox {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  cursor: pointer;
  font-size: 1.1rem;
  font-weight: 600;
  color: #374151;
  background: rgba(255, 255, 255, 0.9);
  padding: 1rem 1.5rem;
  border-radius: 15px;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.agreement-checkbox:hover {
  background: rgba(255, 255, 255, 0.95);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.agreement-checkbox input[type="checkbox"] {
  display: none;
}

.checkmark {
  width: 24px;
  height: 24px;
  border: 2px solid #d1d5db;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  background: #ffffff;
}

.agreement-checkbox input[type="checkbox"]:checked+.checkmark {
  background: rgb(0, 62, 130);
  border-color: rgb(0, 62, 130);
}

.agreement-checkbox input[type="checkbox"]:checked+.checkmark::after {
  content: '✓';
  color: #ffffff;
  font-weight: bold;
  font-size: 14px;
}

.agreement-text {
  user-select: none;
}

.agreement-text a {
  color: rgb(0, 62, 130);
  text-decoration: underline;
  cursor: pointer;
  transition: color 0.3s ease;
}

.agreement-text a:hover {
  color: rgb(59, 130, 246);
}

/* 同意セクション */
.agreement-section {
  background: rgba(255, 255, 255, 0.9);
  padding: 1.5rem;
  border-radius: 15px;
  margin-bottom: 1rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.agreement-intro {
  font-size: 1rem;
  color: #374151;
  margin-bottom: 1rem;
  font-weight: 600;
}

.agreement-items {
  margin-bottom: 1rem;
}

.agreement-footer {
  font-size: 1rem;
  color: #374151;
  font-weight: 600;
  text-align: center;
}

/* インライン同意チェックボックス */
.agreement-checkbox-inline {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  cursor: pointer;
  margin-bottom: 0.8rem;
  padding: 0.5rem;
  border-radius: 8px;
  transition: background-color 0.2s ease;
}

.agreement-checkbox-inline:hover {
  background-color: rgba(59, 130, 246, 0.05);
}

.agreement-checkbox-inline input[type="checkbox"] {
  display: none;
}

.checkmark-inline {
  width: 20px;
  height: 20px;
  border: 2px solid #d1d5db;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  transition: all 0.3s ease;
  flex-shrink: 0;
  margin-top: 2px;
}

.agreement-checkbox-inline input[type="checkbox"]:checked + .checkmark-inline {
  background: rgb(0, 62, 130);
  border-color: rgb(0, 62, 130);
}

.agreement-checkbox-inline input[type="checkbox"]:checked + .checkmark-inline::after {
  content: '✓';
  color: #ffffff;
  font-weight: bold;
  font-size: 14px;
}

.agreement-checkbox-inline span:not(.checkmark-inline) {
  line-height: 1.6;
  font-size: 0.95rem;
  color: #374151;
}

/* モーダルスタイル */
.modal {
  display: none;
  position: fixed;
  z-index: 10000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
}

.modal-content {
  background: #ffffff;
  margin: 5% auto;
  padding: 0;
  border-radius: 20px;
  width: 90%;
  max-width: 600px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-50px) scale(0.9);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid #e5e7eb;
  background: linear-gradient(135deg, #f8fafc, #f1f5f9);
  border-radius: 20px 20px 0 0;
}

.modal-header h2 {
  color: rgb(0, 78, 162);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
}

.modal-close {
  color: #6b7280;
  font-size: 2rem;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.3s ease;
  line-height: 1;
}

.modal-close:hover {
  color: #dc2626;
}

.modal-body {
  padding: 2rem;
  max-height: 500px;
  overflow-y: auto;
}

.rules-content p {
  color: #374151;
  line-height: 1.7;
  margin-bottom: 1rem;
  font-weight: 500;
}

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

.terms-content p {
  color: #374151;
  line-height: 1.7;
  margin-bottom: 2rem;
  font-weight: 500;
}

#enter-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: #9ca3af;
  box-shadow: none;
}

#enter-button:disabled:hover {
  transform: none;
  box-shadow: none;
  animation: none;
}

.hero-notice {
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(15px);
  border-radius: 20px;
  border: 2px solid rgba(239, 68, 68, 0.4);
  animation: fadeInUp 1s ease 1.2s both;
  box-shadow: 0 10px 40px rgba(239, 68, 68, 0.2);
  transform: rotate(-2deg);
  transition: all 0.3s ease;
}

.hero-notice:hover {
  transform: rotate(0deg) scale(1.02);
  box-shadow: 0 15px 50px rgba(239, 68, 68, 0.3);
}

.hero-notice h4 {
  color: #dc2626;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-align: center;
}

.hero-notice p {
  color: #374151;
  line-height: 1.7;
  font-weight: 500;
  text-align: left;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  animation: float 3s ease-in-out infinite;
}

.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: rgb(0, 78, 162);
  font-size: 0.8rem;
  letter-spacing: 2px;
}

.scroll-arrow {
  width: 2px;
  height: 30px;
  background: linear-gradient(180deg, transparent, rgb(0, 78, 162));
  margin-top: 10px;
  position: relative;
}

.scroll-arrow::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: -3px;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 8px solid rgb(0, 78, 162);
}

/* ボタンスタイル */
.btn {
  padding: 1rem 2rem;
  border: none;
  border-radius: 50px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
  font-family: 'Orbitron', monospace;
}

.btn-primary {
  background: linear-gradient(45deg, rgb(0, 78, 162), rgb(59, 130, 246));
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(0, 78, 162, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 255, 136, 0.5);
  animation: neonPulse 1s ease-in-out infinite;
}

.btn-secondary {
  background: transparent;
  color: #fff;
  border: 2px solid rgb(0, 78, 162);
}

.btn-secondary:hover {
  background: rgb(0, 78, 162);
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 78, 162, 0.3);
}

.btn-outline {
  background: transparent;
  color: rgb(0, 78, 162);
  border: 1px solid rgb(0, 78, 162);
}

.btn-outline:hover {
  background: rgba(0, 255, 136, 0.1);
  transform: translateY(-2px);
}

.btn-large {
  padding: 1.2rem 3rem;
  font-size: 1.1rem;
}

.btn-extra-large {
  padding: 1.5rem 4rem;
  font-size: 1.3rem;
}

.btn-hero {
  padding: 2rem 3rem;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  justify-content: center;
  width: 100%;
  border-radius: 20px;
  background: linear-gradient(135deg, rgb(0, 78, 162), rgb(59, 130, 246), rgb(0, 62, 130));
  background-size: 200% 200%;
  animation: gradientShift 3s ease-in-out infinite;
}

.btn-hero:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 78, 162, 0.4);
}

.btn-icon {
  font-size: 1.5rem;
}

.btn-text {
  font-weight: 700;
  letter-spacing: 1px;
}

@keyframes gradientShift {

  0%,
  100% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }
}

/* セクション共通スタイル */
section {
  padding: 6rem 0;
  position: relative;
}

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

.section-title {
  font-family: 'Orbitron', monospace;
  font-size: 2.5rem;
  font-weight: 700;
  color: #1e40af;
  margin-bottom: 0.5rem;
  text-shadow: 0 0 20px rgba(30, 64, 175, 0.3);
}

.section-subtitle {
  font-size: 1.1rem;
  color: #374151;
  font-weight: 500;
}

/* アバウトセクション */
.about {
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.1), rgba(0, 212, 255, 0.1));
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-content h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: #1f2937;
}

.about-content p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #1f2937;
  font-weight: 500;
  margin-bottom: 2rem;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 10px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(0, 255, 136, 0.3);
  transition: all 0.3s ease;
}

.feature-item:hover {
  transform: translateX(10px);
  border-color: #0891b2;
  box-shadow: 0 5px 15px rgba(8, 145, 178, 0.2);
}

.feature-icon {
  font-size: 2rem;
  min-width: 60px;
}

.feature-text h4 {
  color: rgb(0, 62, 130);
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.feature-text p {
  color: #1f2937;
  font-weight: 500;
}

.about-visual {
  position: relative;
}

.floating-card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 2rem;
  border: 1px solid rgba(8, 145, 178, 0.3);
  animation: float 6s ease-in-out infinite;
  box-shadow: 0 10px 30px rgba(8, 145, 178, 0.2);
}

.floating-card img {
  width: 100%;
  border-radius: 10px;
}

/* 特典セクション */
.features {
  background: radial-gradient(circle at center, rgba(255, 0, 110, 0.1), transparent);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.feature-card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 2rem;
  text-align: center;
  border: 1px solid rgba(15, 118, 110, 0.3);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  color: #1f2937;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s ease;
}

.feature-card:hover::before {
  left: 100%;
}

.feature-card:hover {
  transform: translateY(-10px);
  border-color: rgb(0, 62, 130);
  box-shadow: 0 15px 40px rgba(15, 118, 110, 0.3);
}

.feature-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.level-badge {
  background: linear-gradient(45deg, #ff006e, rgb(59, 130, 246));
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.feature-icon-large {
  font-size: 3rem;
}

.feature-card h3 {
  color: rgb(0, 62, 130);
  margin-bottom: 1rem;
  font-size: 1.3rem;
  font-weight: 700;
}

.progress-bar {
  width: 100%;
  height: 10px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 5px;
  overflow: hidden;
  margin: 1rem 0;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, rgb(0, 78, 162), rgb(59, 130, 246));
  border-radius: 5px;
  transition: width 0.3s ease;
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% {
    left: -100%;
  }

  100% {
    left: 100%;
  }
}

.progress-text {
  color: #374151;
  font-size: 0.9rem;
  font-weight: 600;
}

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

.additional-benefits h3 {
  font-size: 2rem;
  margin-bottom: 2rem;
  color: #1f2937;
  font-weight: 700;
}

.benefits-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 10px;
  transition: all 0.3s ease;
  color: #1f2937;
  font-weight: 500;
}

.benefit-item:hover {
  background: rgba(15, 118, 110, 0.1);
  transform: scale(1.05);
}

.benefit-icon {
  font-size: 2rem;
  min-width: 60px;
  margin-top: 0.5rem;
}

.benefit-content h4 {
  color: rgb(0, 62, 130);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.benefit-content p {
  color: #374151;
  line-height: 1.6;
  font-weight: 500;
  margin: 0;
}

/* 参加企業セクション */
.companies {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(255, 0, 110, 0.05));
}

.company-categories {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.category-btn {
  padding: 0.8rem 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(0, 255, 136, 0.3);
  border-radius: 25px;
  color: #fff;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
}

.category-btn.active,
.category-btn:hover {
  background: rgb(0, 78, 162);
  color: #000;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 255, 136, 0.3);
}

.companies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.company-card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 15px;
  padding: 2rem;
  text-align: center;
  border: 1px solid rgba(15, 118, 110, 0.2);
  transition: all 0.3s ease;
}

.company-card:hover {
  transform: translateY(-5px);
  border-color: rgb(0, 62, 130);
  box-shadow: 0 10px 25px rgba(15, 118, 110, 0.2);
}

.company-card img {
  width: 100%;
  height: 80px;
  object-fit: contain;
  margin-bottom: 1rem;
  border-radius: 10px;
}

.company-card h4 {
  color: #1f2937;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.company-card p {
  color: rgb(0, 62, 130);
  font-size: 0.9rem;
  font-weight: 600;
}

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

.companies-more p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  color: #1f2937;
  font-weight: 500;
}

/* FAQセクション */
.faq {
  background: linear-gradient(135deg, rgba(255, 0, 110, 0.05), rgba(0, 212, 255, 0.05));
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 15px;
  margin-bottom: 1rem;
  border: 1px solid rgba(15, 118, 110, 0.2);
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: rgb(0, 62, 130);
  box-shadow: 0 5px 15px rgba(15, 118, 110, 0.2);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.faq-question:hover {
  background: rgba(0, 255, 136, 0.1);
}

.faq-question h3 {
  color: #1f2937;
  font-size: 1.1rem;
  margin: 0;
  font-weight: 600;
}

.faq-icon {
  color: rgb(0, 78, 162);
  font-size: 1.5rem;
  font-weight: 700;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 600px;
  padding: 0 1.5rem 1.5rem;
}

.faq-answer p {
  color: #374151;
  line-height: 1.6;
  margin: 0 0 1rem 0;
  font-weight: 500;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

.device-specs {
  margin: 1.5rem 0;
  text-align: left;
}

.device-specs h4 {
  color: rgb(0, 62, 130);
  font-size: 1rem;
  font-weight: 700;
  margin: 1.5rem 0 1rem 0;
}

.device-specs h4:first-child {
  margin-top: 0;
}

.spec-section {
  margin: 1rem 0;
  padding-left: 1rem;
}

.spec-section h5 {
  color: #374151;
  font-size: 0.9rem;
  font-weight: 600;
  margin: 0.5rem 0;
}

.spec-section p {
  color: #6b7280;
  font-size: 0.9rem;
  line-height: 1.5;
  margin: 0;
}

.contact-methods {
  margin: 1.5rem 0;
}

.contact-method {
  margin: 1.5rem 0;
  padding: 1rem;
  background: rgba(15, 118, 110, 0.05);
  border-radius: 8px;
  border-left: 4px solid rgb(0, 62, 130);
}

.contact-method h5 {
  color: rgb(0, 62, 130);
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 0.5rem 0;
}

.contact-method p {
  color: #374151;
  font-size: 0.9rem;
  line-height: 1.5;
  margin: 0;
}

.contact-note {
  color: #dc2626 !important;
  font-weight: 600 !important;
  background: rgba(239, 68, 68, 0.1);
  padding: 1rem;
  border-radius: 8px;
  border-left: 4px solid #dc2626;
}

/* システム要件セクション */
.requirements {
  background: radial-gradient(circle at center, rgba(0, 255, 136, 0.1), transparent);
}

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

.requirements-intro {
  font-size: 1.1rem;
  color: #374151;
  margin-bottom: 3rem;
  font-weight: 500;
}

.requirements-disclaimer {
  font-size: 0.9rem;
  color: #6b7280;
  margin-top: 3rem;
  font-weight: 500;
  line-height: 1.6;
}

.requirements-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.requirement-card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 2rem;
  text-align: center;
  border: 1px solid rgba(15, 118, 110, 0.2);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.requirement-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s ease;
}

.requirement-card:hover::before {
  left: 100%;
}

.requirement-card:hover {
  transform: translateY(-5px);
  border-color: rgb(0, 62, 130);
  box-shadow: 0 10px 25px rgba(15, 118, 110, 0.2);
}

.requirement-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.requirement-card h3 {
  color: rgb(0, 62, 130);
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  font-weight: 700;
}

.requirement-card ul {
  list-style: none;
  text-align: left;
}

.requirement-card li {
  color: #1f2937;
  margin-bottom: 0.8rem;
  position: relative;
  padding-left: 1.5rem;
  font-weight: 500;
}

.requirement-card li::before {
  content: '✓';
  color: rgb(0, 62, 130);
  font-weight: 700;
  position: absolute;
  left: 0;
}

/* 参加方法セクション */
.how-to-join {
  background: radial-gradient(circle at center, rgba(0, 255, 136, 0.1), transparent);
}

.steps-container {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 4rem;
}

.step-item {
  flex: 1;
  text-align: center;
  position: relative;
}

.step-item::after {
  content: '';
  position: absolute;
  top: 50px;
  right: -50%;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, rgb(0, 78, 162), transparent);
}

.step-item:last-child::after {
  display: none;
}

.step-number {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(45deg, rgb(0, 78, 162), rgb(59, 130, 246));
  color: #ffffff;
  font-family: 'Orbitron', monospace;
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
  box-shadow: 0 5px 15px rgba(0, 255, 136, 0.3);
  animation: neonPulse 2s ease-in-out infinite;
}

.step-content h3 {
  color: #1f2937;
  margin-bottom: 1rem;
  font-size: 1.5rem;
  font-weight: 700;
}

.step-content p {
  color: #374151;
  line-height: 1.6;
  font-weight: 500;
}

.join-cta {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 4rem 2rem;
  text-align: center;
  border: 1px solid rgba(15, 118, 110, 0.3);
}

.cta-content h3 {
  font-size: 2.5rem;
  color: #1f2937;
  margin-bottom: 1rem;
  font-weight: 700;
}

.cta-content p {
  font-size: 1.2rem;
  color: rgb(0, 78, 162);
  margin-bottom: 2rem;
}

.cta-simple {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  margin-top: 2rem;
}

/* フッター */
.footer {
  background: linear-gradient(135deg, #f9fafb, rgba(15, 118, 110, 0.1));
  border-top: 1px solid rgba(15, 118, 110, 0.2);
}

.footer-content {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 4rem;
  margin-bottom: 2rem;
}

.footer-logo img {
  height: 40px;
  margin-bottom: 1rem;
}

.footer-logo p {
  color: #374151;
  line-height: 1.6;
  font-weight: 500;
}

.footer-links {
  display: flex;
  justify-content: center;
}

.footer-section h4 {
  color: rgb(0, 78, 162);
  margin-bottom: 1rem;
  font-weight: 700;
}

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

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

.footer-section a {
  color: #4b5563;
  text-decoration: none;
  transition: color 0.3s ease;
  font-weight: 500;
}

.footer-section a:hover {
  color: rgb(0, 62, 130);
}

.footer-contact {
  padding: 2rem 0;
  border-top: 1px solid rgba(15, 118, 110, 0.1);
  text-align: center;
}

.contact-info h4 {
  color: rgb(0, 62, 130);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.contact-details .company-name {
  color: #1f2937;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.contact-details .phone {
  color: rgb(0, 62, 130);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.contact-details .address {
  color: #374151;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.6;
  margin: 0;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(15, 118, 110, 0.1);
  text-align: center;
  color: #6b7280;
  font-weight: 500;
}

/* レスポンシブデザイン */
@media (min-width: 769px) {
  .nav {
    display: block !important;
  }
}

@media (max-width: 768px) {
  .burger {
    display: flex;
  }

  .nav {
    display: none;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: 2rem;
  }

  .hero-actions {
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 2rem;
  }

  .action-card,
  .notice-card {
    padding: 2rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .steps-container {
    flex-direction: column;
    gap: 3rem;
  }

  .step-item::after {
    display: none;
  }

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

  .footer-content {
    flex-direction: column;
    gap: 2rem;
    text-align: center;
  }

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

  .companies-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }

  .category-btn {
    font-size: 0.9rem;
    padding: 0.6rem 1rem;
  }

  .hero-notice {
    max-width: 85%;
  }
}

/* フローティングボタン */
.floating-enter {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 9999;
  opacity: 0;
  transform: translateY(100px);
  transition: all 0.3s ease;
}

.floating-enter.show {
  opacity: 1;
  transform: translateY(0);
}

.btn-floating {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgb(0, 78, 162) 0%, rgb(0, 62, 130) 100%);
  border: none;
  box-shadow: 0 8px 25px rgba(0, 78, 162, 0.4);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  animation: float 3s ease-in-out infinite;
}

.btn-floating:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 35px rgba(0, 78, 162, 0.6);
}

.btn-floating:disabled {
  background: linear-gradient(135deg, #6c757d 0%, #495057 100%);
  box-shadow: 0 8px 25px rgba(108, 117, 125, 0.4);
  cursor: not-allowed;
  opacity: 0.7;
}

.btn-floating .btn-icon {
  font-size: 1.8rem;
  color: white;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-10px);
  }
}

.floating-modal-content {
  text-align: center;
}

.floating-modal-content p {
  margin-bottom: 20px;
  line-height: 1.6;
  color: #495057;
}

/* モバイル対応 */
@media (max-width: 768px) {
  .floating-enter {
    bottom: 20px;
    right: 20px;
  }

  .btn-floating {
    width: 60px;
    height: 60px;
  }

  .btn-floating .btn-icon {
    font-size: 1.5rem;
  }
}