/* �t�H���g�ƑS�̃X�^�C���ݒ� */
body {
    font-family: 'Arial', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100dvh;
    margin: 0;
    padding: 0;
    background: #cccf9a;
}

.sp_br {
    display: none;
}

.container {
    width: 90vw;
    max-width: 1200px;
    margin: 1rem;
    padding: 3rem;
    box-sizing: border-box;
    text-align: center;
    background: #f7f7f7;
    border-radius: 15px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 3px;
}

p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.pattern-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.pattern-card {
    background: #fff;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
    text-decoration: none;
    color: #333;
    transition: transform 0.3s ease, background 0.3s ease;
}

.pattern-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.5);
}

.pattern-card h2 {
    font-size: 1.2rem;
    margin: 0 0 10px 0;
    color: #333;
}

.pattern-card p {
    margin: 0 0 10px 0;
    font-size: 1.2rem;
    color: #333;
}

@media screen and (max-width: 1024px) {}

@media screen and (max-width: 599px) {
    .sp_br {
        display: block;
    }

    h1 {
        font-size: 1.5rem;
    }

    .container {
        width: 100%;
        padding: 1rem;
    }
}