/* 全体のレイアウトスタイル */

body {
  margin: 0;
  padding: 0;
  font-family: "Helvetica Neue", Arial, sans-serif;
  color: #333;
  background-color: #f9f9f9;
  line-height: 1.6;
}

/* ヘッダー */
.app-header {
  background-color: #ffffff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  padding: 10px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-branding {
  display: flex;
  flex-direction: column;
}

.app-title {
  margin: 0;
  font-size: 1.5em;
}

.app-title a {
  color: #0066cc;
  text-decoration: none;
}

.app-subtitle {
  margin: 5px 0 0 0;
  font-size: 0.9em;
  color: #666;
  font-weight: normal;
}

.main-nav {
  display: flex;
  gap: 20px;
}

.main-nav a {
  color: #333;
  text-decoration: none;
  padding: 5px 10px;
  border-radius: 4px;
  transition: background-color 0.2s;
}

.main-nav a:hover {
  background-color: #f0f0f0;
  color: #0066cc;
}

/* パンくずリスト */
.breadcrumbs {
  background-color: #f8f9fa;
  border-bottom: 1px solid #e9ecef;
  padding: 10px 0;
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 20px;
  font-size: 0.9em;
}

.breadcrumbs a {
  color: #0066cc;
  text-decoration: none;
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

.breadcrumbs .current {
  color: #666;
  font-weight: normal;
}

/* メインコンテンツ */
.app-content {
  min-height: calc(100vh - 60px);
  padding: 20px 0;
}

/* フッター */
.app-footer {
  background-color: #ffffff;
  box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.05);
  padding: 15px 0;
  margin-top: 20px;
}

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

.copyright {
  margin: 0;
  font-size: 0.9em;
  color: #666;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  
  .main-nav {
    width: 100%;
    justify-content: flex-start;
  }
}