/* ========================================
   ボタンスタイル統一（影付き浮遊デザイン）
   ======================================== */

/* プライマリボタン - オレンジグラデーション統一 */
.btn-primary,
.cta-button,
.btn-large,
.btn-submit,
.footer-cta-button {
    background: linear-gradient(135deg, #fcd34d 0%, #f97316 50%, #c2410c 100%);
    color: white;
    font-weight: 700;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
    /* 影で浮かせるデザイン */
    box-shadow: 0 4px 12px rgba(251, 191, 36, 0.4);
    transform: translateY(0);
}

.btn-primary:hover,
.cta-button:hover,
.btn-large:hover,
.btn-submit:hover,
.footer-cta-button:hover {
    /* ホバー時にさらに浮き上がる */
    background: linear-gradient(135deg, #fbbf24 0%, #ea580c 50%, #b91c1c 100%);
    box-shadow: 0 8px 20px rgba(251, 191, 36, 0.6);
    transform: translateY(-3px);
}

.btn-primary:active,
.cta-button:active,
.btn-large:active,
.btn-submit:active,
.footer-cta-button:active {
    /* クリック時に沈む */
    box-shadow: 0 2px 8px rgba(251, 191, 36, 0.3);
    transform: translateY(1px);
}

/* サイズバリエーション */
.btn-large {
    padding: 18px 40px;
    font-size: 18px;
}

.btn-primary {
    padding: 15px 35px;
    font-size: 16px;
}

.cta-button {
    padding: 16px 38px;
    font-size: 17px;
}

/* セカンダリボタン */
.btn-secondary {
    background: white;
    color: #f97316;
    border: 2px solid #f97316;
    font-weight: 700;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
    /* 影で浮かせる */
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(0);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #fcd34d 0%, #f97316 50%, #c2410c 100%);
    color: white;
    border-color: transparent;
    box-shadow: 0 8px 20px rgba(251, 191, 36, 0.5);
    transform: translateY(-3px);
}

.btn-secondary:active {
    box-shadow: 0 2px 8px rgba(251, 191, 36, 0.3);
    transform: translateY(1px);
}

/* アコーディオンボタン */
.accordion-header,
.faq-question,
.misconception-header {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.accordion-header:hover,
.faq-question:hover,
.misconception-header:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

.accordion-item.active .accordion-header,
.faq-item.active .faq-question,
.misconception-item.active .misconception-header {
    box-shadow: 0 4px 16px rgba(231, 76, 60, 0.2);
}

/* カードのホバー効果 */
.achievement-card,
.service-card,
.reason-card,
.warranty-card,
.case-card,
.example-card {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.achievement-card:hover,
.service-card:hover,
.reason-card:hover,
.warranty-card:hover,
.case-card:hover,
.example-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transform: translateY(-5px);
}

/* ステップカード */
.step-content {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.step-content:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

/* フッターボタン */
.footer-cta-button {
    padding: 14px 30px;
    font-size: 16px;
}

/* フォーム送信ボタン */
.btn-submit {
    width: 100%;
    padding: 18px;
    font-size: 18px;
}

/* 電話ボタン - オレンジグラデーション統一 */
.phone-button {
    background: linear-gradient(135deg, #fcd34d 0%, #f97316 50%, #c2410c 100%);
    color: white;
    font-weight: 700;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
    padding: 16px 35px;
    font-size: 17px;
    box-shadow: 0 4px 12px rgba(251, 191, 36, 0.4);
    transform: translateY(0);
}

.phone-button:hover {
    background: linear-gradient(135deg, #fbbf24 0%, #ea580c 50%, #b91c1c 100%);
    box-shadow: 0 8px 20px rgba(251, 191, 36, 0.6);
    transform: translateY(-3px);
}

.phone-button:active {
    box-shadow: 0 2px 8px rgba(251, 191, 36, 0.3);
    transform: translateY(1px);
}

/* レスポンシブ調整 */
@media (max-width: 768px) {
    .btn-large {
        padding: 15px 30px;
        font-size: 16px;
    }
    
    .btn-primary,
    .cta-button {
        padding: 13px 28px;
        font-size: 15px;
    }
}