@font-face {
    font-family: 'notobk';
    src: url('../font/notobk-subset.otf') format('opentype');
    font-display: swap;
}

@font-face {
    font-family: 'notoserifbk';
    src: url('../font/notoserifbk-subset.otf') format('opentype');
    font-display: swap;
}

/* 全体のスタイル */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f5f5f5;
}

.mainbox {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 固定画像のスタイル */
.kotei-img {
    width: 100%;
    max-width: 100%;
    height: auto;
}

/* キャンバスのコンテナ */
.canvas-wrapper {
    overflow-x: auto;
    overflow-y: hidden;
    background-color: white;
    border: 2px solid #ddd;
    border-radius: 8px;
    margin: 20px 0;
    padding: 10px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

#canvas {
    display: block;
    cursor: default;
    max-width: 100%;
}

/* フォーム要素 */
.form-group {
    margin-bottom: 1rem;
}

.form-control {
    border-radius: 6px;
    border: 1px solid #ced4da;
    padding: 0.75rem 1rem;
    font-size: 1rem;
}

.form-control:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* ボタンのスタイル */
.btn {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    margin: 5px;
}

.btn-primary {
    background-color: #007bff;
    color: white;
}

.btn-primary:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.btn-info {
    background-color: #17a2b8;
    color: white;
}

.btn-info:hover {
    background-color: #117a8b;
}

.btn-mastodon {
    background-color: #2b90d9;
    color: white;
}

.btn-mastodon:hover {
    background-color: #1d7db8;
}

/* カードスタイル */
.card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin: 20px 0;
    overflow: hidden;
}

.card-header {
    background-color: #f8f9fa;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #dee2e6;
    font-weight: bold;
    font-size: 1.1rem;
}

.card-body {
    padding: 1.5rem;
}

/* アラート */
.alert {
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    border-radius: 6px;
    border: 1px solid transparent;
}

.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.alert-info {
    background-color: #d1ecf1;
    border-color: #bee5eb;
    color: #0c5460;
}

.alert-primary {
    background-color: #cce5ff;
    border-color: #b8daff;
    color: #004085;
}

/* トースト通知 */
#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    max-width: 350px;
}

.toast {
    background-color: #333;
    color: white;
    padding: 1rem 1.5rem;
    margin-bottom: 10px;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s ease;
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

.toast-success {
    background-color: #28a745;
}

.toast-error {
    background-color: #dc3545;
}

.toast-warning {
    background-color: #ffc107;
    color: #333;
}

.toast-info {
    background-color: #17a2b8;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .mainbox {
        padding: 10px;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .btn {
        width: 100%;
        margin: 5px 0;
    }
    
    #toast-container {
        left: 10px;
        right: 10px;
        max-width: none;
    }
}

/* ローディング表示 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* iframe */
iframe {
    width: 100%;
    border: none;
}