/* ベース：文字の美しさにこだわる */
body {
    font-family: "Inter", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
    color: #1a1a1a;
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}

:root {
    --primary: #0070bc;
    --warning: #ff9d00;
    --bg-light: #f8fafc;
}

.text-primary { color: var(--primary) !important; }
.bg-primary { background-color: var(--primary) !important; }
.btn-warning { background-color: var(--warning); border: none; color: #fff; }
.btn-warning:hover { background-color: #e68d00; color: #fff; transform: translateY(-2px); transition: 0.3s; }

/* ヒーローエリアの装飾 */
.min-vh-70 { min-height: 70vh; }
.badge-new {
    background: #eef7ff;
    color: var(--primary);
    padding: 6px 16px;
    font-weight: 700;
    font-size: 12px;
    letter-spacing: 1px;
    border-radius: 50px;
}
.hero-title { font-size: calc(1.8rem + 1.5vw); letter-spacing: -0.02em; }

/* 特徴カード */
.feature-card {
    background: #fff;
    border-radius: 20px;
    transition: 0.3s ease;
}
.icon-box {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 32px;
}
.bg-light-blue { background-color: #f0f7ff; }

/* 料金プラン */
.price-card { transition: 0.3s; position: relative; }
.price-card.premium { border: 3px solid var(--primary) !important; }
.recommend-tag {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: #fff;
    font-size: 12px;
    font-weight: bold;
    padding: 4px 20px;
    border-radius: 50px;
}

/* モバイル最適化の微調整 */
@media (max-width: 991px) {
    .navbar-brand { font-size: 1.4rem !important; }
    .hero-title { font-size: 1.8rem; }
    .hero-img-wrap { padding: 0 10%; }
    /* スマホではプランの強調を戻す */
    .price-card.premium { transform: none !important; margin-bottom: 20px; }
    .fixed-bottom { z-index: 1050; }
    .shadow-lg-up { box-shadow: 0 -10px 30px rgba(0,0,0,0.1); }
}

/* ボタンのサイズ拡張 */
.btn-xl { padding: 18px 40px; font-size: 1.1rem; }
.rounded-4 { border-radius: 1.5rem !important; }