.member-form {
    max-width: 720px;
}

.member-form-item {
    margin-bottom: 1.5rem;
}

.member-form-item label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 600;
}

.member-form-item input,
.member-form-item select,
.member-form-item textarea {
    width: 100%;
    box-sizing: border-box;
    font-size: 1rem;
    padding: 0.55rem 0.7rem;
}

.member-form-item textarea {
    line-height: 1.6;
}

.member-form-submit button {
    font-size: 1rem;
    padding: 0.5rem 1.4rem;
}


/* 勉強時間の表 */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

table th,
table td {
    border: 1px solid #ddd;
    padding: 12px;
    text-align: center;
}

table thead th {
    background: #f5f7fa;
    font-weight: bold;
}

table tbody th {
    background: #f9f9f9;
    font-weight: bold;
    width: 80px;
}

@media (max-width: 600px) {
    table th,
    table td {
        padding: 10px 6px;
        font-size: 0.95rem;
    }
}