h1, h2, p {
    text-align: center;
    color: #0084ff;
}

h1 {
    font-size: 50px;
    margin-bottom: 50px;

}

h2 {
    font-size: 30px;
    margin-bottom: 50px;
}

p {
    font-size: 20px;
}

body {
    padding: 100px;
}

.btn_test {
    display: flex;
    justify-content: center;  /* 横方向中央寄せ */
    align-items: center;      /* 縦方向中央寄せ（必要なら） */
}

.nav-links {
    margin-bottom: 15px;
    text-align: right;
}

.image-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

.image-table th,
.image-table td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: center;
}

.image-table th {
    background: #f2f2f2;
}

.thumb {
    width: 100px;
    height: auto;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.btn {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 4px;
    text-decoration: none;
    color: #fff;
    font-size: 14px;
}

.btn-download {
    background: #28a745;
}

.btn-download:hover {
    background: #218838;
}

.btn-delete {
    background: #dc3545;
    border: none;
    cursor: pointer;
}

.btn-delete:hover {
    background: #c82333;
}

.pagination {
    margin-top: 20px;
    text-align: center;
}

.pagination nav {
    display: inline-block;
}

.pagination a,
.pagination span {
    margin: 0 5px;
    padding: 6px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-decoration: none;
    color: #007bff;
}

.pagination .active span {
    background: #007bff;
    color: #fff;
    border-color: #007bff;
}