:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #3498db;
    --bg-color: #f5f7fa;
    --panel-bg: #ffffff;
    --text-color: #333333;
    --border-color: #ddd;
    --radius: 8px;
    --shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

* {
    box-sizing: border-box;
}

body {
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.notice {
    background: #f0f4ff;
    border: 1px solid #c8d8ff;
    padding: 12px 15px;
    border-radius: 6px;
    margin-bottom: 15px;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background-color: var(--primary-color);
    color: white;
    padding: 20px 0;
    margin-bottom: 30px;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

header h1 {
    margin: 0;
    font-size: 1.8rem;
}

.subtitle {
    margin: 5px 0 0;
    opacity: 0.8;
    font-size: 0.95rem;
}

.lang-switch {
    display: flex;
    gap: 8px;
}

.lang-btn {
    border: 1px solid rgba(255, 255, 255, 0.5);
    background: transparent;
    color: white;
    padding: 6px 10px;
    border-radius: 6px;
    cursor: pointer;
}

.lang-btn.active {
    background: rgba(255, 255, 255, 0.2);
    font-weight: bold;
}

.panel {
    background: var(--panel-bg);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.panel h2 {
    margin-top: 0;
    font-size: 1.2rem;
    border-bottom: 2px solid var(--bg-color);
    padding-bottom: 10px;
    margin-bottom: 15px;
}

.panel.disabled {
    opacity: 0.6;
    pointer-events: none;
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

select,
input[type="text"] {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
}

.search-controls {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: flex-end;
}

.flex-grow {
    flex-grow: 1;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.2s;
}

.btn.primary {
    background-color: var(--accent-color);
    color: white;
}

.btn.primary:hover {
    background-color: #2980b9;
}

.btn.secondary {
    background-color: #95a5a6;
    color: white;
}

.btn.small {
    padding: 6px 10px;
    font-size: 0.85rem;
}

.view-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.page-size {
    padding: 6px 10px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    background: white;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

.results-meta {
    margin: 5px 0 0;
    color: #7f8c8d;
}

.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

th,
td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: #f8f9fa;
    font-weight: bold;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 15px;
}

.card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 15px;
    background: white;
}

.card-title {
    font-weight: bold;
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.card-badge {
    display: inline-block;
    padding: 2px 8px;
    background: #eee;
    border-radius: 10px;
    font-size: 0.8rem;
    margin-bottom: 10px;
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 15px;
}

footer {
    text-align: center;
    padding: 30px 0;
    color: #7f8c8d;
    font-size: 0.9rem;
}

.modal {
    display: flex;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background-color: #fefefe;
    padding: 20px;
    border: 1px solid #888;
    width: 90%;
    max-width: 520px;
    border-radius: var(--radius);
    position: relative;
}

.close-modal {
    color: #aaa;
    position: absolute;
    right: 15px;
    top: 10px;
    font-size: 24px;
    font-weight: bold;
    cursor: pointer;
}

.close-modal:hover,
.close-modal:focus {
    color: black;
}

.modal-body p {
    margin: 10px 0;
    border-bottom: 1px solid #eee;
    padding-bottom: 5px;
    word-break: break-all;
}

@media (max-width: 768px) {
    .table-wrapper {
        display: none;
    }
}

@media (min-width: 769px) {
    .card-grid {
        display: none;
    }
}