/* リセット */
* {
  box-sizing: border-box;
}

/* 全体設定 */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f2f4f8;
  margin: 0;
  padding: 0;
}

/* ヘッダー */
header {
  background-color: #4285f4;
  color: white;
  padding: 15px 30px;
  text-align: center;
  font-size: 24px;
  font-weight: bold;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

/* メインコンテンツ */
main {
  padding: 20px;
}

/* 見出し */
h1 {
  text-align: center;
  color: #333;
  margin-bottom: 30px;
}

/* フォーム */
form {
  max-width: 500px;
  margin: 0 auto 40px auto;
  background: #fff;
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

label {
  display: block;
  margin-bottom: 8px;
  color: #555;
  font-weight: bold;
}

input[type="text"], textarea {
  width: 100%;
  padding: 10px;
  margin-bottom: 20px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 14px;
}

button, input[type="submit"] {
  background-color: #4285f4;
  color: white;
  padding: 10px 25px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 15px;
  transition: background-color 0.2s ease;
}

button:hover, input[type="submit"]:hover {
  background-color: #357ae8;
}

/* リスト表示（select.php） */
.bookmark-list {
  max-width: 800px;
  margin: 0 auto;
}

.bookmark-item {
  background: #fff;
  border-left: 5px solid #4285f4;
  margin-bottom: 20px;
  padding: 15px 20px;
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.bookmark-item h2 {
  margin: 0 0 10px 0;
  font-size: 18px;
  color: #333;
}

.bookmark-item p {
  margin: 0;
  color: #666;
  font-size: 14px;
}

/* フッター */
footer {
  text-align: center;
  padding: 15px;
  background-color: #e9ecef;
  color: #777;
  margin-top: 40px;
  font-size: 13px;
}

.form-subtitle {
  text-align: center;
  font-size: 16px;
  color: #555;
  margin-bottom: 20px;
}


/* ログインページ専用スタイル */
.login-container {
  max-width: 400px;
  margin: 60px auto;
  background: #fff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.login-container h1 {
  text-align: center;
  color: #333;
  margin-bottom: 25px;
  font-size: 22px;
}

.login-container label {
  display: block;
  margin-bottom: 8px;
  font-weight: bold;
  color: #444;
}

.login-container input[type="text"],
.login-container input[type="password"] {
  width: 100%;
  padding: 10px;
  margin-bottom: 20px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.login-container input[type="submit"] {
  width: 100%;
  background-color: #4285f4;
  color: white;
  padding: 10px;
  border: none;
  border-radius: 4px;
  font-size: 16px;
}

.login-container input[type="submit"]:hover {
  background-color: #357ae8;
  cursor: pointer;
}

.login-container input[type="password"] {
  width: 100%; /* ID欄と同じに */
  padding: 10px;
  margin-bottom: 20px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.logout-link {
  text-align: center;
  margin-top: 30px;
  font-size: 14px;
  color: #444;
}

/* 一覧画面用：ログイン画面と統一トーン */
.select-wrapper {
  max-width: 800px;
  margin: 60px auto;
  padding: 0 20px;
}

.bookmark-item {
  background: #fff;
  border-left: 5px solid #4285f4;
  margin-bottom: 20px;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.bookmark-item h2 {
  margin: 0 0 10px;
  font-size: 18px;
  color: #333;
}

.bookmark-item p {
  margin: 6px 0;
  color: #555;
  font-size: 14px;
}

.bookmark-actions {
  margin-top: 10px;
}

.bookmark-actions a {
  text-decoration: none;
  padding: 6px 12px;
  background-color: #4285f4;
  color: #fff;
  border-radius: 4px;
  font-size: 13px;
  margin-right: 10px;
}

.bookmark-actions a:hover {
  background-color: #357ae8;
}


.header {
  background-color: #4285f4;
  padding: 15px 20px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.nav-container {
  display: flex;
  justify-content: center; /* ← 中央寄せに */
  align-items: center;
  flex-wrap: wrap;
  gap: 30px; /* ← アイテム間の間隔 */
}

.nav-container a {
  color: white;
  text-decoration: none;
  font-size: 16px;
  padding: 6px 12px;
  border-radius: 4px;
  transition: background-color 0.2s;
}

.nav-container a:hover {
  background-color: #357ae8;
}


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

.nav-links a {
    color: white;
    text-decoration: none;
    font-size: 18px;
    padding: 8px 10px;
}

/* ハンバーガーメニュー */
.nav-toggle {
    display: none;
}

.nav-toggle-label {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle-label span,
.nav-toggle-label span::before,
.nav-toggle-label span::after {
    display: block;
    background: white;
    height: 2px;
    width: 25px;
    border-radius: 2px;
    position: relative;
    transition: 0.3s ease;
}

.nav-toggle-label span::before,
.nav-toggle-label span::after {
    content: '';
    position: absolute;
}

.nav-toggle-label span::before {
    top: -8px;
}

.nav-toggle-label span::after {
    top: 8px;
}

/* スマホ用 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        background-color: #4285f4;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        padding: 20px;
    }

    .nav-toggle:checked + .nav-toggle-label + .nav-links {
        display: flex;
    }

    .nav-toggle-label {
        display: flex;
    }
}