/* ページヘッダー */
.page-header {
    background: linear-gradient(135deg, #fff9f0 0%, #ffe8d0 100%);
    padding: 150px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(237, 141, 48, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.page-header h1 {
    font-size: 3rem;
    color: #c05f1a;
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
}

.page-header p {
    font-size: 1.2rem;
    color: #666;
    position: relative;
    z-index: 2;
}

.contact-form-content {
    margin: 80px auto;
    text-align: center;
    align-items: center;
}

.line-button {
    display: inline-block;
    background: linear-gradient(135deg, #2ce622, #61f312);
    color: white;
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: clamp(12px, 1.5vw, 16px);
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(47, 230, 34, 0.3);
    animation: fadeInUp 1s ease 0.4s both;
}

.line-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(47, 230, 34, 0.4);
}