:root {
    --bg-color: #0b0f17;
    --card-bg: rgba(21, 28, 41, 0.7);
    --card-border: rgba(255, 255, 255, 0.08);
    --input-bg: rgba(15, 23, 42, 0.6);
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --accent-color: #6366f1;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --success-color: #10b981;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    display: flex;
    justify-content: center;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

.bg-glow {
    position: fixed;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 500px;
    height: 300px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(11, 15, 23, 0) 70%);
    pointer-events: none;
    z-index: 0;
}

.app-container {
    width: 100%;
    max-width: 480px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
    padding: 0 16px;
}

/* ヘッダー */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 4px 16px;
    border-bottom: 1px solid var(--card-border);
}

.back-btn {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.logo-text {
    font-size: 1.2rem;
    font-weight: 900;
    letter-spacing: 2px;
    background: var(--accent-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.state-view {
    padding: 24px 0;
    flex: 1;
}

.hidden {
    display: none !important;
}

/* ローディング */
#view-loading {
    text-align: center;
    padding-top: 80px;
}

.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--card-border);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}

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

.loading-text {
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* ヒーローセクション */
.hero-section {
    margin-bottom: 20px;
}

.hero-title {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 1px;
    color: #ffffff;
    margin-bottom: 6px;
}

.hero-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* 照会データ通知 */
.info-card-notice {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 24px;
}

.notice-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    color: var(--success-color);
    font-weight: 700;
    font-size: 0.85rem;
}

.notice-body {
    font-size: 0.8rem;
    color: var(--text-main);
    line-height: 1.4;
}

/* フォームセクション */
.form-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-section {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 20px;
}

.section-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 6px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--card-border);
}

.section-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 16px;
    line-height: 1.4;
}

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

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: #e5e7eb;
}

.required {
    color: #ef4444;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    font-size: 0.88rem;
    color: #ffffff;
    outline: none;
    transition: border-color 0.2s;
}

.form-group select option {
    background-color: #0b0f17;
    color: #ffffff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-color);
}

/* チェックボックスグループ */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 6px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    cursor: pointer;
}

.checkbox-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-color);
}

.checkbox-label {
    font-size: 0.85rem;
    color: #ffffff;
}

/* ボタン */
.btn-primary {
    width: 100%;
    background: var(--accent-gradient);
    color: #ffffff;
    padding: 16px;
    border: none;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    margin-top: 10px;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:active {
    transform: scale(0.98);
}

/* フッター */
.app-footer {
    padding: 24px 0;
    text-align: center;
    border-top: 1px solid var(--card-border);
}

.app-footer p {
    font-size: 0.7rem;
    color: #4b5563;
    letter-spacing: 1px;
}