/* Amazon Associate Button CSS */

.amazon-button-wrapper {
    margin: 15px 0;
    text-align: center;
}

.amazon-button {
    display: inline-block;
    padding: 14px 28px;
    border: none;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 16px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    min-height: 20px;
    line-height: 1.4;
    white-space: nowrap;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.amazon-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    text-decoration: none;
}

.amazon-button:focus {
    outline: 2px solid #0073aa;
    outline-offset: 2px;
}

/* オレンジスタイル（デフォルト） */
.amazon-button-orange {
    background: linear-gradient(135deg, #FF9900 0%, #FF7700 100%);
    color: white;
}

.amazon-button-orange:hover {
    background: linear-gradient(135deg, #FF7700 0%, #FF5500 100%);
    color: white;
}

/* ブルースタイル */
.amazon-button-blue {
    background: linear-gradient(135deg, #146EB4 0%, #0F4C75 100%);
    color: white;
}

.amazon-button-blue:hover {
    background: linear-gradient(135deg, #0F4C75 0%, #0A3A5C 100%);
    color: white;
}

/* ダークスタイル */
.amazon-button-dark {
    background: linear-gradient(135deg, #232F3E 0%, #131A22 100%);
    color: white;
}

.amazon-button-dark:hover {
    background: linear-gradient(135deg, #131A22 0%, #0F1419 100%);
    color: white;
}

/* ホワイトスタイル */
.amazon-button-white {
    background: linear-gradient(135deg, #FFFFFF 0%, #F0F0F0 100%);
    color: #232F3E;
    border: 2px solid #DDD;
}

.amazon-button-white:hover {
    background: linear-gradient(135deg, #F0F0F0 0%, #E0E0E0 100%);
    color: #232F3E;
    border-color: #BBB;
}

/* 光る効果 */
.amazon-button::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.amazon-button:hover::before {
    left: 100%;
}

/* アクティブ状態とクリック効果 */
.amazon-button:active,
.amazon-button.active {
    transform: translateY(1px);
    box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.amazon-button.clicked {
    animation: buttonClick 0.2s ease;
}

@keyframes buttonClick {
    0% { transform: scale(1); }
    50% { transform: scale(0.98); }
    100% { transform: scale(1); }
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .amazon-button {
        padding: 12px 24px;
        font-size: 14px;
        white-space: normal;
        word-wrap: break-word;
        max-width: 100%;
    }
    
    .amazon-button-wrapper {
        margin: 10px 0;
    }
}

@media (max-width: 480px) {
    .amazon-button {
        padding: 10px 20px;
        font-size: 13px;
        min-height: 18px;
    }
}

/* アクセシビリティ対応 */
@media (prefers-reduced-motion: reduce) {
    .amazon-button {
        transition: none;
    }
    
    .amazon-button::before {
        display: none;
    }
    
    .amazon-button:hover {
        transform: none;
    }
    
    .amazon-button.clicked {
        animation: none;
    }
}

/* ハイコントラストモード対応 */
@media (prefers-contrast: high) {
    .amazon-button {
        border: 2px solid;
    }
    
    .amazon-button-orange {
        border-color: #CC6600;
    }
    
    .amazon-button-blue {
        border-color: #003D5C;
    }
    
    .amazon-button-dark {
        border-color: #000000;
    }
    
    .amazon-button-white {
        border-color: #333333;
    }
}