:root {
    --primary: #0056b3;
    --accent: #ff8c00;
    --green: #28a745;
    --light-bg: #f8fafc;
}

/* 基本設定 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: #333;
    line-height: 1.6;
    background: #fff;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ヘッダー：画面上部に固定 */
.main-header {
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    z-index: 2000; /* 全体の中でも高い数値に */
    height: 70px;
    position: sticky; /* 固定 */
    top: 0;
    display: flex;
    flex-direction: column; /* メニューを下方向に展開するため */
    justify-content: center;
}

.main-header a {
    text-decoration: none;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

/* ロゴ */
.logo-flex {
    display: flex;
    align-items: baseline;
    gap: 5px;
}

.corp-name {
    font-size: 20px;
    font-weight: bold;
    color: var(--primary);
}

.bus-brand {
    display: block;
    font-size: 9px;
    letter-spacing: 1px;
    color: #999;
    margin-top: -3px;
}

/* PCナビゲーション */
.pc-nav ul {
    display: flex;
    list-style: none;
    gap: 20px;
}

.pc-nav a {
    text-decoration: none;
    color: #444;
    font-weight: bold;
    font-size: 14px;
}

.recruit-link {
    background: var(--accent);
    color: #fff !important;
    padding: 6px 12px;
    border-radius: 4px;
}

/* ハンバーガーボタン */
.menu-trigger {
    display: none;
    width: 30px;
    height: 24px;
    position: relative;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 3000;
}

.menu-trigger span {
    position: absolute;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary);
    border-radius: 4px;
    transition: all 0.4s;
}

.menu-trigger span:nth-child(1) { top: 0; }
.menu-trigger span:nth-child(2) { top: 10px; }
.menu-trigger span:nth-child(3) { top: 20px; }

.menu-trigger.active span:nth-child(1) { transform: translateY(10px) rotate(-45deg); }
.menu-trigger.active span:nth-child(2) { opacity: 0; }
.menu-trigger.active span:nth-child(3) { transform: translateY(-10px) rotate(45deg); }

/* モバイルメニュー（上から降ってくる） */
.mobile-nav {
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: #fff; /* 透けすぎないように白を濃く */
    z-index: 1900;
    padding: 10px 30px 20px;
    transform: translateY(-120%); /* 完全に隠す */
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease-in-out;
    box-shadow: 0 10px 15px rgba(0,0,0,0.1);
}

.mobile-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-nav ul { list-style: none; }
.mobile-nav li { padding: 15px 0; border-bottom: 1px solid #eee; }
.mobile-nav a { text-decoration: none; font-weight: bold; color: var(--primary); font-size: 16px; display: block; }

/* オーバーレイ */
.overlay {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.3);
    z-index: 1500;
    display: none;
    backdrop-filter: blur(2px);
}

.overlay.show { display: block; }

/* ヒーロー */
.hero {
    height: 350px;
    background: url('./image/33929153_l.jpg') center/cover;
}

.hero-overlay {
    height: 100%;
    background: rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    color: #fff;
}

.hero-text h2 { font-size: 2rem; margin-bottom: 10px; }

.status-badge {
    background: #fff;
    color: #333;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: bold;
}

.dot {
    height: 10px;
    width: 10px;
    background: var(--green);
    border-radius: 50%;
    display: inline-block;
    margin-right: 5px;
}

/* クイックアクション */
.quick-action { padding: 20px 0; background: var(--light-bg); }
.action-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.action-btn { background: #fff; border: 1px solid #ddd; border-radius: 8px; text-align: center; padding: 15px 5px; text-decoration: none; color: #333; }
.action-btn .icon { display: block; font-size: 24px; margin-bottom: 5px; }

/* サービス紹介 */
.service-intro { margin: 40px auto; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service-card { padding: 25px; border-radius: 10px; color: #fff; }
.service-card.blue { background: var(--primary); }
.service-card.green { background: var(--green); }
.service-card.orange { background: #d97706; }
.service-card h4 { margin-bottom: 10px; font-size: 1.2rem; }
.service-card p { font-size: 14px; opacity: 0.9; }

/* レイアウト */
.layout-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; margin-bottom: 50px; }
.section-title { border-left: 5px solid var(--primary); padding-left: 10px; margin: 30px 0 20px; }

/* お知らせ */
.news-list { list-style: none; }
.news-list li { border-bottom: 1px solid #eee; padding: 15px 0; }
.news-list a { text-decoration: none; color: #333; display: flex; align-items: center; }
.cat-label { background: var(--primary); color: #fff; font-size: 11px; padding: 2px 6px; margin: 0 10px; border-radius: 3px; }
.cat-label.info { background: #666; }

/* 観光案内 */
.sight-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.img-placeholder { background: #ddd; height: 120px; display: flex; align-items: center; justify-content: center; font-size: 40px; border-radius: 8px; }
.sight-item h5 { margin-top: 10px; font-size: 16px; }
.sight-item p { font-size: 13px; color: #666; }

/* ICカード */
.ic-card-promo { background: linear-gradient(135deg, #0056b3, #00c6ff); color: #fff; padding: 30px; border-radius: 12px; margin-top: 40px; }
.ic-inner { display: flex; align-items: center; gap: 20px; }
.btn-white { display: inline-block; background: #fff; color: var(--primary); text-decoration: none; padding: 8px 20px; border-radius: 50px; font-weight: bold; margin-top: 15px; }

/* サイドバー */
.recruit-flex-container { display: flex; flex-direction: column; gap: 20px; }
.recruit-card { background: var(--primary); color: #fff; padding: 25px; border-radius: 12px; flex: 1; display: flex; flex-direction: column; }
.contact-card { background: #f0f4f8; color: #333; border: 1px solid #ddd; }
.small-text { font-size: 13px; margin-bottom: 10px; }
.btn-more { display: block; background: var(--accent); color: #fff; text-align: center; text-decoration: none; padding: 10px; border-radius: 4px; font-weight: bold; margin-top: auto; }
.app-promo-box { background: #334155; color: #fff; padding: 25px; border-radius: 12px; margin-top: 20px; text-align: center; }
.app-btns { display: flex; gap: 10px; justify-content: center; margin-top: 15px; }
.mock-app-btn { background: #000; padding: 5px 10px; border-radius: 5px; font-size: 10px; cursor: pointer; }

/* レスポンシブ */
@media (max-width: 768px) {
    .pc-nav { display: none; }
    .menu-trigger { display: block; }
    .service-grid { grid-template-columns: 1fr; }
    .layout-grid { grid-template-columns: 1fr; }
    .action-grid { grid-template-columns: repeat(2, 1fr); }
    .recruit-flex-container { flex-direction: row; gap: 10px; }
    .recruit-card { padding: 15px; min-height: 180px; }
    .ic-inner { flex-direction: column; text-align: center; }
    .sight-grid { grid-template-columns: 1fr; }
}

/* フッター */
.site-footer { background: #222; color: #fff; padding: 40px 0 20px; margin-top: 50px; }
.footer-links-grid { display: flex; justify-content: space-between; border-bottom: 1px solid #444; padding-bottom: 30px; margin-bottom: 20px; flex-wrap: wrap; gap: 20px; }
.footer-nav-bottom ul { list-style: none; display: flex; gap: 20px; }
.footer-nav-bottom a { color: #aaa; text-decoration: none; font-size: 13px; }
.footer-copy { text-align: center; font-size: 11px; color: #777; padding-bottom: 10px; }