/* ===========================================
   Accessibility Japan 共通スタイル
   =========================================== */

/* リセットと基本設定 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scrollbar-gutter: stable;
  overflow-x: hidden;
}
body {
  font-family: 'Noto Sans JP', sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #fff;
  overflow-x: hidden;
}
a {
  color: inherit;
  text-decoration: none;
}

/* ヘッダー */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.nav-logo {
  font-size: 1.4em;
  font-weight: bold;
  white-space: nowrap;
}

/* ハンバーガーメニュー */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  flex-direction: column;
  gap: 5px;
}
.hamburger-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #333;
  border-radius: 2px;
  transition: all 0.3s;
}

/* ナビゲーション */
.nav-menu {
  list-style: none;
  display: flex;
}
.nav-menu li {
  margin-left: 16px;
}
.nav-menu li a {
  padding: 8px 10px;
  font-size: 0.9em;
  transition: background 0.3s;
  white-space: nowrap;
}
.nav-menu li a:hover {
  background-color: #EFC84A;
  color: #fff;
  border-radius: 4px;
}

/* パンくずリスト */
nav.breadcrumb {
  padding: 60px 20px 16px;
  font-size: 0.9em;
}
nav.breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: 0;
  padding: 0;
}
nav.breadcrumb li + li::before {
  content: "›";
  margin: 0 8px;
  color: #999;
}
nav.breadcrumb [aria-current="page"] {
  color: #555;
}

/* フッター */
footer {
  background: #333;
  color: #fff;
  text-align: center;
  padding: 20px 0;
  font-size: 0.9em;
}
.footer-links {
  margin-bottom: 16px;
  font-size: 0.8em;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 0;
}
.footer-links a {
  color: #fff;
  margin: 0 12px;
  transition: color 0.3s;
  opacity: 0.8;
}
.footer-links a:hover {
  color: #EFC84A;
  opacity: 1;
}
.mobile-break {
  display: inline;
}

/* レスポンシブ：ナビゲーション */
@media (max-width: 1024px) {
  .nav-menu { display: none; }
  .nav-menu.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
    background-color: #fff;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
    border-top: 3px solid #EFC84A;
    z-index: 1000;
  }
  .nav-menu li { margin: 0; border-bottom: 1px solid #f0f0f0; }
  .nav-menu li:last-child { border-bottom: none; }
  .nav-menu li a {
    display: block;
    padding: 16px 24px;
    text-align: center;
    font-size: 1em;
    border-radius: 0;
  }
  .mobile-menu-toggle { display: flex; }
}

/* レスポンシブ：モバイル共通 */
@media (max-width: 768px) {
  .mobile-break { display: block; }
  .footer-links {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }
  .footer-links a { margin: 0; }
}