/* 基本設定・リセット */
:root {
    --primary-color: #38b48b; /* 画像に近いティール/グリーン */
    --secondary-blue: #4a90e2;
    --text-color: #333;
    --bg-light: #f4f8fb;
    --border-color: #e0e0e0;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    letter-spacing: 0.05em;
}
a { text-decoration: none; color: inherit; }
.container { max-width: 1100px; margin: 0 auto; padding: 60px 20px; }
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.bg-light { background-color: var(--bg-light); }
.flex-box { display: flex; gap: 40px; flex-wrap: wrap; }
.align-center { align-items: center; }
.placeholder-box {
    background-color: #e0e0e0; border: 2px dashed #999;
    display: flex; align-items: center; justify-content: center;
    color: #666; border-radius: 8px; width: 100%;
}

/* ボタン類 */
.btn-primary {
    display: inline-block; padding: 15px 40px;
    background-color: var(--primary-color); color: #fff;
    border-radius: 30px; font-weight: bold; font-size: 1.1rem;
    box-shadow: 0 4px 10px rgba(56, 180, 139, 0.3);
}
.btn-outline {
    display: inline-block; padding: 10px 30px;
    border: 1px solid var(--secondary-blue); color: var(--secondary-blue);
    border-radius: 20px; font-weight: bold;
}
.btn-blue {
    display: inline-block; padding: 15px 40px;
    background-color: var(--secondary-blue); color: #fff;
    border-radius: 30px; font-weight: bold;
}

/* ヘッダー */
.header {
    background: #fff; border-bottom: 1px solid var(--border-color);
    position: sticky; top: 0; z-index: 100;
}
.header-inner {
    display: flex; justify-content: space-between; align-items: center;
    max-width: 1200px; margin: 0 auto; padding: 15px 20px;
}
.logo { font-size: 24px; font-weight: bold; color: #ff5a5f; display: flex; align-items: center; gap: 8px;}
.logo-icon { width: 20px; height: 20px; background: #ff5a5f; border-radius: 50%; }
.global-nav ul { display: flex; list-style: none; gap: 25px; font-size: 14px; font-weight: bold;}
.btn-login { font-size: 13px; color: #666; border: 1px solid #ccc; padding: 8px 15px; border-radius: 4px; }

/* ヒーローセクション */
.hero { padding: 60px 20px; max-width: 1200px; margin: 0 auto; }
.hero-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 40px;}
.hero-content { flex: 1; min-width: 300px; }
.hero-content h1 { font-size: 36px; margin-bottom: 20px; }
.hero-content p { font-size: 18px; margin-bottom: 30px; color: #555; }
.hero-image { flex: 1; min-width: 300px; }
.trust-badges { display: flex; justify-content: center; gap: 20px; margin-top: 50px; flex-wrap: wrap;}
.badge {
    text-align: center; border: 1px solid #f1c40f; padding: 15px 25px;
    border-radius: 10px; background: #fff; color: #333; font-size: 14px;
}
.badge strong { font-size: 24px; color: var(--primary-color); display: block; margin-top: 5px;}

/* 業種アイコン */
.industry-icons {
    display: flex; justify-content: center; gap: 30px; margin-top: 30px; flex-wrap: wrap;
}
.icon-item { text-align: center; font-size: 14px; font-weight: bold; }
.icon-item .circle {
    width: 70px; height: 70px; background: #fff; border-radius: 50%;
    margin: 0 auto 10px; box-shadow: 0 4px 8px rgba(0,0,0,0.05);
}

/* 機能一覧 */
.feature-banners {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 15px; margin: 40px 0;
}
.f-banner { background: #eee; height: 80px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 12px; color: #666;}
.feature-list-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 15px;
}
.feature-link {
    display: flex; justify-content: space-between; padding: 15px 20px;
    border: 1px solid var(--border-color); border-radius: 8px;
    background: #fff; font-weight: bold; transition: 0.2s;
}
.feature-link:hover { border-color: var(--primary-color); color: var(--primary-color); box-shadow: 0 2px 10px rgba(0,0,0,0.05);}

/* 業種別カード */
.use-case-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px; margin-top: 40px;
}
.use-case-card {
    background: #fff; border-radius: 12px; display: flex; overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}
.use-case-card .text { padding: 25px; flex: 1; }
.use-case-card .tag {
    display: inline-block; background: #e0f2f1; color: var(--primary-color);
    padding: 4px 10px; border-radius: 4px; font-size: 12px; font-weight: bold; margin-bottom: 10px;
}
.use-case-card h3 { font-size: 16px; line-height: 1.5; }
.use-case-card .img-ph { width: 150px; background: #ddd; display: flex; align-items: center; justify-content: center; font-size: 12px; color: #777;}

/* 導入事例 */
.case-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px; margin-top: 40px; text-align: left;
}
.case-card {
    background: #fff; border-radius: 12px; overflow: hidden;
    border: 1px solid var(--border-color);
}
.case-body { padding: 20px; }
.case-quote { font-weight: bold; font-size: 15px; margin-bottom: 15px; min-height: 45px;}
.case-tags { display: flex; gap: 8px; margin-bottom: 15px; }
.c-tag { background: #f0f0f0; font-size: 11px; padding: 4px 8px; border-radius: 4px; }
.case-name { font-size: 12px; color: #666; }

/* ニュース */
.news-tabs { margin: 30px 0; }
.news-tabs .tab { display: inline-block; padding: 8px 20px; margin: 0 5px; border-radius: 20px; background: #eee; cursor: pointer; font-size: 14px;}
.news-tabs .tab.active { background: var(--secondary-blue); color: #fff; }
.news-list { list-style: none; max-width: 800px; margin: 0 auto; text-align: left;}
.news-list li {
    padding: 20px 0; border-bottom: 1px solid var(--border-color);
    display: flex; align-items: center; gap: 15px;
}
.n-date { color: #888; font-size: 14px; }
.n-cat { background: #e0eaff; color: var(--secondary-blue); font-size: 11px; padding: 3px 10px; border-radius: 4px; }
.n-title { font-size: 15px; flex: 1; }
.n-title:hover { text-decoration: underline; color: var(--secondary-blue); }

/* Bottom CTA */
.bottom-cta { background-color: #fffdf2; padding: 60px 20px; border-top: 1px solid #f2e6b1;}

/* フッター */
.footer { background: #fff; border-top: 1px solid var(--border-color); padding: 40px 20px; font-size: 13px;}
.footer-links { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 30px; margin-bottom: 40px;}
.f-col ul { list-style: none; margin-top: 15px;}
.f-col ul li { margin-bottom: 8px; }
.f-col ul li a { color: #666; }
.footer-bottom { text-align: center; color: #888; border-top: 1px solid #eee; padding-top: 20px;}
.legal-links { margin: 10px 0; }
.legal-links a { margin: 0 10px; color: #888;}

/* レスポンシブ */
@media (max-width: 768px) {
    .global-nav { display: none; }
    .hero-inner { flex-direction: column; text-align: center; }
    .use-case-grid { grid-template-columns: 1fr; }
    .news-list li { flex-direction: column; align-items: flex-start; gap: 5px;}
    .flex-box { flex-direction: column; }
}