@media print {
    /* 途中で改ページされたくない要素にこのスタイルを適用します */
    .no-break {
        break-inside: avoid;
        page-break-inside: avoid; /* 古いブラウザのためのフォールバック */
    }

    /* 例: 特定のdivや記事セクション全体など */
    .container div{
        break-inside: avoid;
        page-break-inside: avoid;
    }
}

/* ============================================
   共通スタイル（トップページ・内部ページ共通）
   ============================================ */

/* ロゴ */
.logo {
    display: flex;
    align-items: center;
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    height: 60px;
    width: auto;
    object-fit: contain;
}

/* フッター */
.footer {
    background: linear-gradient(135deg, #439454 0%, #439454 100%);
    color: #fff;
    padding: 70px 0 30px;
}

.footer-content {
    text-align: center;
}

.footer-logo {
    margin-bottom: 40px;
}

.footer-logo a {
    font-size: 32px;
    font-weight: bold;
    color: #fff;
    letter-spacing: 0.05em;
    transition: color 0.3s;
}

.footer-logo a:hover {
    color: #fff1b0;
}

.footer-nav {
    margin-bottom: 40px;
}

.footer-menu {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.footer-menu li a {
    color: #fff;
    font-size: 15px;
    transition: color 0.3s;
    padding: 5px;
}

.footer-menu li a:hover {
    color: #fff1b0;
}

.footer-copyright {
    padding-top: 30px;
    border-top: 1px solid #fff;
    font-size: 13px;
    color: #fff;
}

/* モバイルメニューボタン */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background-color: #333;
    transition: all 0.3s;
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* 内部ページ用のモバイルメニューボタン（白） */
.header-internal .mobile-menu-toggle span {
    background-color: #fff;
}

.header-internal .mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.header-internal .mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.header-internal .mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ============================================
   ヘッダー（共通）
   ============================================ */
.header {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    width: 100%;
    transition: background-color 0.3s, box-shadow 0.3s;
}

.header.scrolled {
    background-color: #FFFFFF;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    position: fixed;
}

.header-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 20px;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    gap: 20px;
}

/* メインナビゲーション */
.main-nav {
    border-top: none;
    margin-top: 0;
    padding-top: 0;
}

.nav-menu {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    flex-wrap: wrap;
    gap: 5px;
    margin: 0;
}

.nav-menu > li {
    position: relative;
}

.nav-menu > li > a {
    display: block;
    padding: 12px 20px;
    color: #FFF;
    font-size: 16px;
    font-weight: 700;
    transition: all 0.3s;
    border-radius: 5px;
}

.header.scrolled .nav-menu > li > a {
    color: #333;
}

.nav-menu > li > a:hover {
    color: #4CAF50;
    background-color: rgba(255, 255, 255, 0.75);
}

.nav-menu-highlight > a {
    background: linear-gradient(135deg, #ffda76 0%, #ffb347 100%);
    color: #333;
    border-radius: 30px;
    box-shadow: 0 4px 15px rgba(255, 180, 90, 0.35);
}

.nav-menu-highlight > a:hover {
    color: #333;
    background: linear-gradient(135deg, #ffe7a7 0%, #ffcf78 100%);
}

.nav-menu > li.has-submenu > a {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-menu > li.has-submenu > a i {
    font-size: 11px;
    transition: transform 0.3s;
}

.nav-menu > li.has-submenu:hover > a i {
    transform: rotate(180deg);
}

/* サブメニュー */
.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #fff;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s;
    z-index: 100;
}

.nav-menu > li.has-submenu:hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.submenu li a {
    display: block;
    padding: 15px 25px;
    color: #666;
    font-size: 14px;
    transition: all 0.3s;
    border-bottom: 1px solid #f5f5f5;
}

.submenu li:last-child a {
    border-bottom: none;
}

.submenu li a:hover {
    background-color: #fff5f0;
    color: #4CAF50;
    padding-left: 30px;
}

/* ============================================
   レスポンシブデザイン（ヘッダー・ナビゲーション）
   ============================================ */

/* 小型タブレット (768px以下) */
@media (max-width: 768px) {
    .header-top {
        padding: 15px 0;
    }

    .logo img {
        height: 50px;
    }

    .mobile-menu-toggle {
        display: flex !important;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    }

    .header-internal .main-nav {
        background-color: rgba(67, 148, 84, 0.98);
    }

    .main-nav.active {
        display: block;
    }

    .nav-menu {
        flex-direction: column;
    }

    .nav-menu > li {
        width: 100%;
        border-bottom: 1px solid #f0f0f0;
    }

    .header-internal .nav-menu > li {
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    }

    .nav-menu > li > a {
        padding: 18px 20px;
    }

    .submenu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background-color: #f9f9f9;
        display: none;
    }

    .header-internal .submenu {
        background-color: rgba(67, 148, 84, 0.8);
    }

    .nav-menu > li.has-submenu.active .submenu {
        display: block;
    }
}

/* スマートフォン (480px以下) */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .header-container {
        padding: 0 15px;
    }

    .logo img {
        height: 40px;
    }

    .footer-menu {
        flex-direction: column;
        gap: 20px;
    }

    .footer {
        padding: 50px 0 20px;
    }
}