/* 繝吶�繧ｹ繧ｹ繧ｿ繧､繝ｫ */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9fafb;
    color: #333;
}

header {
    text-align: center;
    padding: 20px;
    background-color: #00aaff;
    color: #ffffff;
}

header h1 {
    margin: 0;
    font-size: 2.5rem;
}

header p {
    font-size: 1.2rem;
    margin-top: 5px;
}

/* 譁咎≡繝励Λ繝ｳ縺ｮ繧ｹ繧ｿ繧､繝ｫ */
.plans {
    display: flex;
    justify-content: center;
    gap: 20px;
    padding: 40px 20px;
    flex-wrap: wrap;
}

.plan-card {
    width: 300px;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 20px;
    text-align: center;
    transition: transform 0.3s;
}

.plan-card:hover {
    transform: translateY(-5px);
}

.plan-card h2 {
    font-size: 1.8rem;
    color: #333;
}

.price {
    font-size: 1.5rem;
    color: #00aaff;
    margin: 10px 0;
}

.plan-card ul {
    list-style: none;
    padding: 0;
}

.plan-card ul li {
    font-size: 1rem;
    color: #555;
    padding: 8px 0;
    border-bottom: 1px solid #eee;
}

.plan-card ul li:last-child {
    border-bottom: none;
}

.select-btn {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 20px;
    font-size: 1rem;
    color: #ffffff;
    background-color: #00aaff;
    border: none;