/* Google Sites風のすっきりとして清潔感のあるクリーンデザイン */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Lato', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  color: #212121;
  background-color: #ffffff;
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

/* Header Banner */
.page-header {
  background-color: #1e6c93; /* 元のGoogle Sitesのブランドブルー */
  background-image: linear-gradient(135deg, #1e6c93 0%, #155170 100%);
  color: #ffffff;
  padding: 50px 24px;
}

.header-inner {
  max-width: 860px;
  margin: 0 auto;
}

.header-back-link {
  display: inline-block;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.85rem;
  text-decoration: none;
  margin-bottom: 8px;
  transition: color 0.2s ease;
}

.header-back-link:hover {
  color: #ffffff;
  text-decoration: underline;
}

.page-title {
  font-size: 2.2rem;
  font-weight: 300;
  letter-spacing: 0.5px;
}

/* Content Container */
.content-wrapper {
  max-width: 860px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}

.lang-block {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

/* Sections */
.content-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.content-section h2 {
  font-size: 1.45rem;
  font-weight: 400;
  color: #1e6c93;
  margin-top: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid #e2e8f0;
}

.content-section p {
  color: #333333;
  font-size: 1.05rem;
  line-height: 1.7;
}

/* Spacing helpers */
.mt-xs { margin-top: 4px; }
.mt-sm { margin-top: 10px; }
.mt-md { margin-top: 16px; }

/* Links */
a {
  color: #006580;
  text-decoration: underline;
  word-break: break-all;
  transition: color 0.15s ease;
}

a:hover {
  color: #0093ba;
}

/* App List */
.app-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin: 8px 0;
  padding-left: 4px;
}

.app-list li {
  line-height: 1.5;
}

.app-title {
  font-weight: 700;
  font-size: 1.05rem;
  color: #212121;
  margin-bottom: 3px;
}

.app-list a {
  font-size: 0.95rem;
}

/* Bullet List */
.bullet-list {
  list-style-type: disc;
  padding-left: 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: #333333;
}

.bullet-list li {
  font-size: 1.02rem;
  line-height: 1.6;
}

/* FAQ */
.faq-dl {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 4px;
}

.faq-dl dt {
  font-weight: 700;
  font-size: 1.05rem;
  color: #1e6c93;
}

.faq-dl dd {
  margin-left: 0;
  padding-left: 12px;
  border-left: 3px solid #e2e8f0;
  color: #333333;
  font-size: 1.02rem;
  line-height: 1.65;
}

/* Divider between English and Japanese */
.section-divider {
  height: 1px;
  background-color: #cbd5e1;
  margin: 56px 0;
}

/* Footer */
.page-footer {
  border-top: 1px solid #eaeaea;
  background-color: #fafafa;
  padding: 32px 24px;
  color: #666666;
  font-size: 0.9rem;
}

.footer-inner {
  max-width: 860px;
  margin: 0 auto;
}

/* Mobile responsive */
@media (max-width: 640px) {
  .page-header {
    padding: 36px 20px;
  }
  .page-title {
    font-size: 1.75rem;
  }
  .content-wrapper {
    padding: 32px 18px 48px;
  }
  .content-section h2 {
    font-size: 1.3rem;
  }
  .section-divider {
    margin: 40px 0;
  }
}