/* 横スライドメニュー */
.slide-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(90, 143, 106, 0.08);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 998;
    /* ハンバーガーボタンより下 */
}

.slide-menu-overlay.show {
    opacity: 1;
    visibility: visible;
}

.slide-menu-panel {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    max-width: 80vw;
    height: 100vh;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 252, 248, 0.98) 100%);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    box-shadow: -8px 0 40px rgba(90, 143, 106, 0.12);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
    /* ハンバーガーボタンより下 */
    display: flex;
    flex-direction: column;
}

.slide-menu-overlay.show .slide-menu-panel {
    right: 0;
}

.slide-menu-header {
    display: none;
    /* ×ボタンを削除したため非表示 */
}

.slide-menu-header h3 {
    display: none;
    /* 「メニュー」表記を非表示 */
}

.close-slide-menu {
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s ease;
    color: var(--text-dark);
}

.close-slide-menu:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.slide-menu-content {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding: 80px 20px 20px 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.slide-menu-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    width: 100%;
    min-width: 0;
    padding: 14px 20px;
    margin: 2px 0;
    color: #2c3e50;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: 'Noto Sans JP', sans-serif;
    background: white;
    border: none;
    cursor: pointer;
    text-align: left;
}

.slide-menu-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            rgba(90, 143, 106, 0.04) 0%,
            rgba(155, 196, 125, 0.06) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.slide-menu-item:hover::before,
.slide-menu-item:active::before {
    opacity: 1;
}

.slide-menu-item:active {
    transform: translateX(8px);
}

/* タイトル上・説明下で欠けずに表示 */
.slide-menu-item .menu-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.3;
}

/* 14px 以上で iOS タップ時のズームを防止（タップ可能な行内の最小フォント） */
.slide-menu-item .menu-subtitle {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.4;
}

.slide-menu-footer {
    flex-shrink: 0;
    padding: 12px 20px;
}

.version-badge {
    font-size: 12px;
    color: var(--text-light);
}