/* ============================================
   12 - Contact Section
   蒼グラデ背景 × 左コピー + 右フォームカード
   ============================================ */

.contact {
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(140deg,
            #003DB3                  0%,
            var(--primary-blue)      30%,
            #0077E6                  55%,
            #E8F4FF                  80%,
            var(--bg-light)          100%
        );
}

/* 右上の水色グロー */
.contact::before {
    content: '';
    position: absolute;
    top: -15%; right: -10%;
    width: 560px; height: 560px;
    border-radius: 50%;
    background: radial-gradient(circle,
        rgba(0, 212, 255, 0.18) 0%, transparent 60%);
    pointer-events: none;
}

/* 斜線テクスチャ */
.contact::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(
        -55deg,
        transparent,
        transparent 28px,
        rgba(255,255,255,0.025) 28px,
        rgba(255,255,255,0.025) 29px
    );
    pointer-events: none;
}

/* ===== 2カラムレイアウト ===== */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 64px;
    align-items: start;
    position: relative;
    z-index: 1;
}

/* ===== 左: リードコピー ===== */
.contact-lead { color: white; padding-top: 8px; }

.contact-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.65);
    margin-bottom: 28px;
}
.contact-eyebrow::before {
    content: '';
    display: block;
    width: 24px; height: 1.5px;
    background: var(--accent-cyan);
    flex-shrink: 0;
}

.contact-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 3.5vw, 2.75rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
    color: white;
}

.contact-title em {
    font-style: italic;
    color: rgba(180, 240, 255, 0.95);
}

.contact-desc {
    font-size: 1rem;
    line-height: 1.85;
    color: rgba(255,255,255,0.75);
    margin-bottom: 40px;
}

/* ポイントリスト */
.contact-points {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-point {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9375rem;
    color: rgba(255,255,255,0.85);
    font-weight: 500;
}

.contact-point-icon {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: rgba(255,255,255,0.12);
    border: 1.5px solid rgba(255,255,255,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--accent-cyan);
}

/* 返信目安バッジ */
.contact-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 40px;
    background: rgba(255,255,255,0.10);
    border: 1px solid rgba(255,255,255,0.20);
    border-radius: 100px;
    padding: 10px 20px;
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.75);
    font-weight: 600;
}

.contact-badge-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--accent-cyan);
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.5; transform: scale(0.8); }
}

/* ===== 右: フォームカード ===== */
.contact-form-wrapper {
    background: white;
    border-radius: 24px;
    padding: 48px;
    box-shadow: 0 32px 64px rgba(0, 30, 100, 0.18);
}

.form-card-title {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 1.5px solid var(--bg-gray);
    display: flex;
    align-items: center;
    gap: 12px;
}

.form-card-title-icon {
    width: 40px; height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg,
        rgba(0,102,255,0.10) 0%,
        rgba(0,212,255,0.14) 100%);
    border: 1.5px solid rgba(0,102,255,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    flex-shrink: 0;
}

/* ===== フォームパーツ ===== */
.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 0;
}

.form-group { margin-bottom: 16px; }

.form-label {
    display: block;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 7px;
    color: var(--text-dark);
}

.required {
    color: var(--error-red);
    margin-left: 3px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 13px 16px;
    border: 1.5px solid var(--bg-gray);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    font-family: var(--font-body);
    color: var(--text-dark);
    background: var(--bg-light);
    transition: var(--transition-base);
    outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-light);
    font-size: 0.875rem;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--primary-blue);
    background: white;
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.08);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M4 6l4 4 4-4' stroke='%2364748B' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    cursor: pointer;
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* プライバシー */
.form-privacy { margin-bottom: 24px; margin-top: 4px; }

.privacy-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-gray);
    user-select: none;
}

.privacy-checkbox input[type="checkbox"] {
    width: 18px; height: 18px;
    cursor: pointer;
    accent-color: var(--primary-blue);
    flex-shrink: 0;
}

.privacy-link {
    color: var(--primary-blue);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* 送信ボタン */
.btn-submit {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 18px 32px;
    background: linear-gradient(110deg,
        var(--primary-blue-dark) 0%,
        var(--primary-blue)      50%,
        #0099E6                  100%
    );
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 1rem;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-submit::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(110deg,
        #003DB3                   0%,
        var(--primary-blue-dark)  50%,
        var(--primary-blue)       100%
    );
    opacity: 0;
    transition: opacity 0.3s;
}

.btn-submit:hover::before { opacity: 1; }
.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(0, 102, 255, 0.35);
}

.btn-submit span,
.btn-submit svg { position: relative; z-index: 1; }
.btn-submit .btn-arrow { transition: transform 0.25s ease; }
.btn-submit:hover .btn-arrow { transform: translateX(4px); }

/* 送信完了 */
.form-success {
    text-align: center;
    padding: 40px 0;
}

.success-icon-wrap {
    width: 80px; height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg,
        rgba(16,185,129,0.10) 0%,
        rgba(16,185,129,0.18) 100%);
    border: 2px solid rgba(16,185,129,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: var(--success-green);
}

.success-title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.success-text {
    font-size: 1rem;
    color: var(--text-gray);
    line-height: 1.75;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .contact-form-wrapper { padding: 32px 24px; }
    .form-row { grid-template-columns: 1fr; }
}