/* 筝肢��桁� */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

/* 紊顔���桁� */
.header {
  background-color: #1a365d;
  color: white;
  padding: 3rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.header h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: white;
  position: relative;
  z-index: 2;
}

.header .subtitle {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.9);
  position: relative;
  z-index: 2;
}

/* 絲取���桁� */
.main-nav {
  background-color: white;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.main-nav ul {
  display: flex;
  justify-content: center;
}

.main-nav li {
  margin: 0 0.5rem;
}

.main-nav a {
  display: block;
  padding: 1rem;
  font-weight: 500;
  color: #1a365d;
  border-bottom: 3px solid transparent;
  transition: all 0.3s ease;
}

.main-nav a:hover {
  border-bottom-color: #1a365d;
}

/* �阪�������桁� */
.section {
  padding: 4rem 0;
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 2rem;
  text-align: center;
  position: relative;
}

.section h2:after {
  content: "";
  display: block;
  width: 80px;
  height: 3px;
  background-color: #1a365d;
  margin: 0.5rem auto 0;
}

.section p {
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.alt-bg {
  background-color: #f0f4f8;
}

/* ��絎劫��茖��� */
.content-wrapper {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
  align-items: center;
}

.text-content {
  flex: 1;
}

.image-container {
  flex: 1;
}

.featured-image {
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 綛喝伾�∞�� */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.platform-card {
  background-color: white;
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.platform-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.platform-card h3 {
  color: #1a365d;
  margin-bottom: 1rem;
}

.platform-card ul {
  margin: 1rem 0;
  padding-left: 1.5rem;
  list-style-type: disc;
}

.platform-card li {
  margin-bottom: 0.5rem;
}

/* 莚���拭���∞�� */
.trial-info {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.trial-card {
  background-color: white;
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.trial-card h3 {
  color: #1a365d;
  margin-bottom: 1rem;
}

.trial-card ol, .trial-card ul {
  padding-left: 1.5rem;
  margin: 1rem 0;
}

.trial-card ol {
  list-style-type: decimal;
}

.trial-card ul {
  list-style-type: disc;
}

.trial-card li {
  margin-bottom: 0.8rem;
}

/* 綺�����茵� */
.app-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.app-item {
  background-color: white;
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

.app-item:hover {
  transform: translateX(5px);
}

.app-item h3 {
  color: #1a365d;
  margin-bottom: 0.5rem;
}

.app-features {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
}

.app-features span {
  background-color: #e6eef7;
  color: #1a365d;
  padding: 0.3rem 0.8rem;
  border-radius: 50px;
  font-size: 0.9rem;
}

/* �号�у��茵� */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.feature-list li {
  background-color: white;
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.feature-list h3 {
  color: #1a365d;
  margin-bottom: 0.5rem;
}

/* ��腓榊��� */
.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.tip-card {
  background-color: white;
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

.tip-card:hover {
  transform: translateY(-5px);
}

.tip-card h3 {
  color: #1a365d;
  margin-bottom: 0.8rem;
  font-size: 1.2rem;
}

/* �����桁� */
.btn {
  display: inline-block;
  background-color: #1a365d;
  color: white;
  padding: 0.8rem 1.5rem;
  border-radius: 4px;
  font-weight: 500;
  text-align: center;
  transition: all 0.3s ease;
}

.btn:hover {
  background-color: #2c5282;
  color: white;
  transform: translateY(-2px);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

/* CTA �阪�� */
.cta-section {
  background-color: #1a365d;
  color: white;
  text-align: center;
  padding: 4rem 0;
}

.cta-section h2 {
  color: white;
  margin-bottom: 1.5rem;
}

.cta-section h2:after {
  background-color: white;
}

.cta-section p {
  max-width: 800px;
  margin: 0 auto 2rem;
  color: rgba(255, 255, 255, 0.9);
}

.cta-section .btn {
  background-color: white;
  color: #1a365d;
}

.cta-section .btn:hover {
  background-color: #f0f4f8;
}

/* 蕁笈���桁� */
.footer {
  background-color: #0f172a;
  color: white;
  padding: 3rem 0 1.5rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer h3 {
  color: white;
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
}

.footer-links a:hover {
  color: white;
}

.copyright {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}