/* ShoruiFlow (書類フロー) - 見やすさ特化 人間工学カラーパレット
   Web UI/UX 実践ガイドライン完全準拠 (Light Slate Base + Dark Mode Toggle) */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=Noto+Sans+JP:wght@400;500;600;700&family=Noto+Serif+JP:wght@600;700&family=Plus+Jakarta+Sans:wght@600;700&display=swap');

:root {
    /* 1. 8pt空間グリッドシステム (Spatial Grid) */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 16px;
    --space-4: 24px;
    --space-5: 32px;
    --space-6: 48px;

    /* 2. タイポグラフィ・システム (本文16px絶対防衛線) */
    --font-sans: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-display: 'Plus Jakarta Sans', 'Noto Sans JP', sans-serif;
    --font-serif: 'Noto Serif JP', 'Yu Mincho', serif;
    --font-mono: 'JetBrains Mono', monospace;

    --text-xs: 0.8125rem; /* 13px */
    --text-sm: 0.875rem;  /* 14px */
    --text-base: 1rem;    /* 16px: 本文防衛線 */
    --text-md: 1.125rem;  /* 18px */
    --text-lg: 1.25rem;   /* 20px */
    --text-xl: 1.5rem;    /* 24px */
    --text-2xl: 1.875rem; /* 30px */

    /* 3. 人間工学カラーパレット (Default: 目が疲れない Soft Modern Slate) */
    --color-bg-base: #f1f5f9;          /* 背景: 目に優しいソフトスレートグレー (グレア解消) */
    --color-surface: #ffffff;          /* 中景: 清潔でコントラストの高い入力ワークベンチ */
    --color-surface-sunken: #f8fafc;   /* 入力フィールド */
    --color-border: #cbd5e1;           /* 繊細で明瞭な境界線 */
    --color-border-hover: #94a3b8;
    
    --color-text-main: #0f172a;        /* 前景: 最高視認性の濃墨色 (15:1) */
    --color-text-sub: #475569;         /* 補助テキスト・ラベル (7:1 WCAG AAA) */
    --color-text-muted: #64748b;       /* プレースホルダー */

    /* Header & Toolbars */
    --color-header-bg: #0f172a;        /* ヘッダー: 格式あるダークスレートネイビー */
    --color-header-text: #f8fafc;
    --color-header-sub: #94a3b8;

    /* Action Accent (最重要CTAボタンに限定集中) */
    --color-action-accent: #2563eb;    /* クリアで視認性の高いロイヤルブルー */
    --color-action-accent-hover: #1d4ed8;
    --color-action-focus: #3b82f6;

    /* セマンティック状態色 */
    --color-state-error: #dc2626;      /* 赤 */
    --color-state-success: #059669;    /* 緑 */
    --color-state-warning: #d97706;    /* 橙 */

    /* A4用紙 (コンテンツ主役) */
    --color-paper-bg: #ffffff;
    --color-paper-text: #0f172a;
    --color-paper-muted: #475569;
    --color-paper-border: #cbd5e1;
    --color-paper-rule: #1e293b;
    --color-paper-header-bg: #f8fafc;

    /* 4. タッチターゲットと角丸 (脱ピル型 / 44px規格) */
    --touch-min: 44px;
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;

    --shadow-paper: 0 4px 20px -2px rgba(15, 23, 42, 0.08), 0 0 0 1px rgba(15, 23, 42, 0.06);
    --shadow-modal: 0 20px 48px rgba(15, 23, 42, 0.25);
    --transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ダークモード切り替えサポート */
[data-theme="dark"] {
    --color-bg-base: #0f172a;
    --color-surface: #1e293b;
    --color-surface-sunken: #0b1320;
    --color-border: #334155;
    --color-border-hover: #475569;
    
    --color-text-main: #f8fafc;
    --color-text-sub: #cbd5e1;
    --color-text-muted: #94a3b8;

    --color-header-bg: #0b1320;
    --color-header-text: #f8fafc;
    --color-header-sub: #94a3b8;

    --color-action-accent: #3b82f6;
    --color-action-accent-hover: #2563eb;
    --color-action-focus: #60a5fa;

    --shadow-paper: 0 12px 32px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.1);
    --shadow-modal: 0 24px 48px rgba(0, 0, 0, 0.7);
}

/* Base Reset & Global Rules */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg-base);
    color: var(--color-text-main);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;

    /* 日本語禁則処理と安全な折り返し */
    line-break: strict;
    word-break: normal;
    overflow-wrap: break-word;
    transition: background-color 0.2s ease, color 0.2s ease;
}

/* WCAG 2.2 AA: 明瞭なフォーカスリング */
:focus-visible {
    outline: 2px solid var(--color-action-focus);
    outline-offset: 2px;
}

/* 改行制御・禁則処理規約 (不自然な文字泣き別れの完全抑止) */
.btn,
.btn-sm,
.doc-tab,
.brand-title,
.brand-subtitle,
.notice-badge,
.section-label,
.form-label,
.doc-title-main,
.doc-meta-item,
.client-name,
.client-honorific,
.grand-total-label,
.grand-total-val,
.items-table th,
.col-idx,
.col-qty,
.col-unit,
.col-price,
.col-tax,
.col-amt,
.tax-breakdown-table th,
.tax-breakdown-table td,
.calc-summary-table td,
.bank-info-item,
.modal-title,
.price-box,
.toast {
    white-space: nowrap !important;
}

.notice-content,
.field-helper,
.field-error,
.subject-line,
.doc-notes-content,
.pro-feature-item,
.click-trigger-note,
.modal-body p {
    text-wrap: pretty;
    word-break: auto-phrase;
    line-break: strict;
    overflow-wrap: break-word;
}

/* Header: 引き締まったディープネイビー (作業台との明瞭なコントラスト) */
.app-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--color-header-bg);
    color: var(--color-header-text);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-2) var(--space-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-4);
    min-height: 60px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--color-header-text);
    flex-shrink: 0;
}

.brand-icon {
    width: 38px;
    height: 38px;
    background: #1e293b;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.brand-icon svg {
    width: 20px;
    height: 20px;
    stroke: #60a5fa;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 700;
    letter-spacing: -0.01em;
    color: #ffffff;
    line-height: 1.2;
}

.brand-subtitle {
    font-size: var(--text-xs);
    color: var(--color-header-sub);
    font-weight: 400;
}

/* Document Mode Selector Tabs: 44pxタッチターゲット対応 */
.doc-tabs-bar {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    background: rgba(255, 255, 255, 0.08);
    padding: var(--space-1);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
}

.doc-tab {
    min-height: var(--touch-min);
    padding: 0 var(--space-3);
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-header-sub);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.doc-tab:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
}

.doc-tab.active {
    background: #ffffff;
    color: #0f172a;
    font-weight: 600;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

/* Buttons: 44pxタッチターゲット＆明確な5つの状態管理 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: var(--touch-min);
    padding: 0 var(--space-3);
    border-radius: var(--radius-sm);
    font-size: var(--text-base);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
    text-decoration: none;
    user-select: none;
    flex-shrink: 0;
}

.btn-sm {
    min-height: 36px;
    padding: 0 var(--space-2);
    font-size: var(--text-sm);
}

/* Primary CTA: Action Accent を集中適用 */
.btn-primary {
    background: var(--color-action-accent);
    color: #ffffff;
    border-color: var(--color-action-accent);
    font-weight: 600;
    box-shadow: 0 1px 2px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover:not(:disabled) {
    background: var(--color-action-accent-hover);
    border-color: var(--color-action-accent-hover);
}

/* ヘッダー上のセカンダリボタン */
.header-actions .btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.18);
}

.header-actions .btn-secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.28);
}

.header-actions .btn-ghost {
    background: transparent;
    color: var(--color-header-sub);
}

.header-actions .btn-ghost:hover:not(:disabled) {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
}

/* ワークスペース内のセカンダリボタン */
.panel .btn-secondary, .preview-toolbar .btn-secondary {
    background: var(--color-surface);
    color: var(--color-text-main);
    border-color: var(--color-border);
}

.panel .btn-secondary:hover:not(:disabled), .preview-toolbar .btn-secondary:hover:not(:disabled) {
    background: var(--color-surface-sunken);
    border-color: var(--color-border-hover);
}

.btn-pro-badge {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fcd34d;
    font-weight: 600;
}

.btn-pro-badge:hover:not(:disabled) {
    background: #fde68a;
    border-color: #f59e0b;
}

.btn:active:not(:disabled) {
    transform: scale(0.98);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

/* Theme Toggle Button */
.btn-theme-toggle {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    padding: 0 var(--space-2);
    min-height: 36px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: var(--text-sm);
    display: flex;
    align-items: center;
    gap: 4px;
}

.btn-theme-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Notice Banner */
.notice-banner {
    background: #ffffff;
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    flex-wrap: wrap;
    color: var(--color-text-sub);
}

[data-theme="dark"] .notice-banner {
    background: #162032;
}

.notice-content {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.notice-badge {
    background: #e2e8f0;
    color: #334155;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px var(--space-2);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

[data-theme="dark"] .notice-badge {
    background: #1e293b;
    color: #cbd5e1;
}

.notice-link {
    color: var(--color-action-accent);
    text-decoration: none;
    cursor: pointer;
    font-weight: 600;
    flex-shrink: 0;
}

.notice-link:hover {
    text-decoration: underline;
}

/* Workspace Layout: 8ptグリッド */
.app-container {
    display: grid;
    grid-template-columns: 440px 1fr;
    gap: var(--space-4);
    padding: var(--space-4);
    max-width: 1720px;
    margin: 0 auto;
}

@media (max-width: 1200px) {
    .app-container {
        grid-template-columns: 1fr;
    }
}

/* Left: Control Panel (クリーンなピュアホワイト・ワークベンチ) */
.panel {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 120px);
    overflow: hidden;
}

.panel-header {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface-sunken);
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 52px;
}

.panel-title {
    font-size: var(--text-base);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text-main);
}

.panel-body {
    padding: var(--space-4);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

/* Form Section */
.form-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: var(--space-4);
}

[data-theme="dark"] .form-section {
    border-bottom-color: #334155;
}

.form-section:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.section-label {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--color-text-main);
    letter-spacing: 0.03em;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-1);
}

/* シングルカラムレイアウト & 直上ラベル（Top Labels） */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-label {
    font-size: var(--text-sm);
    color: var(--color-text-sub);
    font-weight: 600;
}

.form-label-required {
    color: var(--color-state-error);
    margin-left: 4px;
    font-size: var(--text-xs);
}

.field-helper {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    line-height: 1.4;
    margin-top: 2px;
}

.field-error {
    font-size: var(--text-xs);
    color: var(--color-state-error);
    font-weight: 600;
    margin-top: 2px;
    display: none;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
}

.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-2);
}

/* Form Controls: 見やすく手応えのある入力コントロール */
.input, .select, .textarea {
    width: 100%;
    min-height: var(--touch-min);
    background: var(--color-surface-sunken);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0 var(--space-3);
    font-family: inherit;
    font-size: var(--text-base);
    color: var(--color-text-main);
    transition: var(--transition);
}

.input:focus, .select:focus, .textarea:focus {
    border-color: var(--color-action-focus);
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

[data-theme="dark"] .input:focus, [data-theme="dark"] .select:focus, [data-theme="dark"] .textarea:focus {
    background: #111827;
}

.textarea {
    min-height: 72px;
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    line-height: 1.5;
    resize: vertical;
}

/* Upload elements */
.upload-box {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.file-input-hidden {
    display: none;
}

/* Item List in Form */
.item-row {
    background: var(--color-surface-sunken);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-2);
}

.item-row-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.item-delete-btn {
    background: transparent;
    border: none;
    color: var(--color-state-error);
    cursor: pointer;
    font-size: var(--text-sm);
    padding: 4px 6px;
    min-height: 32px;
}

.item-delete-btn:hover {
    text-decoration: underline;
}

/* Right: Preview Area */
.preview-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
}

.preview-toolbar {
    width: 100%;
    max-width: 820px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--space-2) var(--space-3);
    min-height: 56px;
    flex-wrap: wrap;
    gap: var(--space-2);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.transform-bar {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-sub);
    flex-wrap: wrap;
}

.preview-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
}

/* Paper Workspace */
.paper-workspace {
    width: 100%;
    display: flex;
    justify-content: center;
    padding-bottom: var(--space-6);
}

/* A4 Sheet Canvas: 白の美しさとコントラストが際立つ帳票 */
.a4-sheet {
    width: 210mm;
    min-height: 297mm;
    background: var(--color-paper-bg);
    color: var(--color-paper-text);
    padding: 16mm 18mm;
    box-shadow: var(--shadow-paper);
    border-radius: 1px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-sizing: border-box;
    font-size: 9.5pt;
    line-height: 1.5;
    position: relative;
}

/* 署名 (Signature Detail): 捺印アニメーション */
@keyframes stampPulse {
    0% { transform: scale(1.04); opacity: 0.7; }
    50% { transform: scale(0.98); opacity: 1; }
    100% { transform: scale(1); opacity: 1; }
}

.paper-stamp-active {
    animation: stampPulse 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Document Header in A4 */
.doc-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 14px;
    border-bottom: 2px solid var(--color-paper-rule);
    padding-bottom: 6px;
}

.doc-title-main {
    font-family: var(--font-serif);
    font-size: 21pt;
    font-weight: 700;
    letter-spacing: 0.3em;
    color: var(--color-paper-rule);
    line-height: 1.1;
}

.doc-meta {
    text-align: right;
    font-size: 8.5pt;
    color: var(--color-paper-muted);
    line-height: 1.45;
}

.doc-meta-item strong {
    color: var(--color-paper-text);
    font-family: var(--font-mono);
}

/* Parties Grid */
.parties-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 20px;
    margin-bottom: 14px;
}

.client-section {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.client-name-box {
    border-bottom: 2px solid var(--color-paper-text);
    padding-bottom: 3px;
    margin-bottom: 6px;
    display: flex;
    align-items: baseline;
    gap: 4px;
    flex-wrap: wrap;
}

.client-name {
    font-size: 13.5pt;
    font-weight: 700;
}

.client-honorific {
    font-size: 10.5pt;
}

.subject-line {
    font-size: 9.5pt;
    margin-top: 6px;
    padding: 4px 8px;
    background: #f8fafc;
    border-left: 3px solid var(--color-paper-rule);
}

.issuer-section {
    text-align: right;
    position: relative;
    font-size: 8.5pt;
    line-height: 1.45;
}

.issuer-logo {
    max-height: 38px;
    max-width: 130px;
    object-fit: contain;
    margin-bottom: 4px;
}

.issuer-name {
    font-size: 11pt;
    font-weight: 700;
    color: var(--color-paper-text);
    white-space: nowrap;
}

.issuer-seal-container {
    position: absolute;
    right: -4px;
    top: 22px;
    width: 62px;
    height: 62px;
    pointer-events: none;
    transform: rotate(-1.5deg);
}

.issuer-seal-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0.92;
}

.invoice-badge-box {
    margin-top: 3px;
    font-size: 8pt;
    color: var(--color-paper-muted);
    white-space: nowrap;
}

/* Grand Total Banner */
.grand-total-banner {
    background: #f8fafc;
    border: 1px solid var(--color-paper-border);
    border-radius: 2px;
    padding: 6px 14px;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 14px;
}

.grand-total-label {
    font-size: 10.5pt;
    font-weight: 600;
}

.grand-total-val {
    font-size: 19pt;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--color-paper-rule);
    letter-spacing: -0.02em;
}

/* Items Table */
.items-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 12px;
}

.items-table th {
    background: #f8fafc;
    color: var(--color-paper-text);
    font-size: 8.5pt;
    font-weight: 600;
    border-top: 1px solid var(--color-paper-border);
    border-bottom: 1px solid var(--color-paper-rule);
    padding: 5px 6px;
    text-align: left;
}

.items-table td {
    padding: 5px 6px;
    border-bottom: 1px solid #e2e8f0;
    font-size: 8.5pt;
    vertical-align: top;
}

.col-idx { width: 28px; text-align: center; }
.col-desc { 
    text-align: left;
    word-break: break-word;
    line-break: strict;
    line-height: 1.4;
}
.col-qty { width: 55px; text-align: right; }
.col-unit { width: 40px; text-align: center; }
.col-price { width: 90px; text-align: right; font-family: var(--font-mono); }
.col-tax { width: 60px; text-align: center; font-size: 7.5pt; }
.col-amt { width: 105px; text-align: right; font-family: var(--font-mono); font-weight: 600; }

.text-right { text-align: right !important; }
.text-center { text-align: center !important; }

/* Tax Breakdown & Summary */
.summary-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 12px;
}

.tax-breakdown-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 8pt;
    border: 1px solid var(--color-paper-border);
}

.tax-breakdown-table th, .tax-breakdown-table td {
    padding: 3px 6px;
    border: 1px solid var(--color-paper-border);
}

.tax-breakdown-table th {
    background: #f8fafc;
    font-weight: 600;
}

.calc-summary-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 8.5pt;
}

.calc-summary-table td {
    padding: 2px 4px;
}

.calc-summary-table .calc-label {
    text-align: right;
    color: var(--color-paper-muted);
}

.calc-summary-table .calc-val {
    text-align: right;
    font-family: var(--font-mono);
    font-weight: 600;
}

.calc-summary-table .calc-total {
    border-top: 1px solid var(--color-paper-border);
    font-size: 10.5pt;
    font-weight: 700;
    color: var(--color-paper-rule);
}

/* Footer & Notes */
.doc-footer-area {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 8pt;
    border-top: 1px dashed var(--color-paper-border);
    padding-top: 8px;
}

.bank-info-box {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    line-height: 1.45;
}

.bank-info-title {
    font-weight: 700;
    margin-bottom: 3px;
    color: var(--color-paper-text);
}

.bank-info-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 16px;
    color: var(--color-paper-text);
}

.bank-info-item strong {
    color: var(--color-paper-muted);
    font-weight: 600;
    margin-right: 2px;
}

.doc-notes-box {
    line-height: 1.5;
}

.doc-notes-title {
    font-weight: 700;
    color: var(--color-paper-text);
    margin-bottom: 2px;
}

.doc-notes-content {
    color: var(--color-paper-muted);
    white-space: pre-wrap;
    word-break: break-word;
    line-break: strict;
}

.viral-footer {
    text-align: center;
    font-size: 7pt;
    color: #94a3b8;
    margin-top: 4px;
    white-space: nowrap;
}

.viral-footer a {
    color: var(--color-action-accent);
    text-decoration: none;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: var(--space-3);
}

.modal-overlay.active {
    display: flex;
}

.modal-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    width: 100%;
    max-width: 520px;
    box-shadow: var(--shadow-modal);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-header {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface-sunken);
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 52px;
}

.modal-title {
    font-size: var(--text-base);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text-main);
}

.modal-body {
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.modal-footer {
    padding: var(--space-3) var(--space-4);
    border-top: 1px solid var(--color-border);
    background: var(--color-surface-sunken);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-2);
}

.pro-feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-sub);
}

.pro-feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.pro-feature-item svg {
    color: var(--color-state-success);
    flex-shrink: 0;
}

.price-plans-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
}

.price-box {
    background: var(--color-surface-sunken);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--space-3);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.price-box:hover, .price-box.selected {
    border-color: var(--color-action-focus);
    background: rgba(37, 99, 235, 0.05);
}

.price-num {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-text-main);
    font-family: var(--font-mono);
}

.price-term {
    font-size: var(--text-xs);
    color: var(--color-text-sub);
}

.click-trigger-note {
    font-size: var(--text-xs);
    color: var(--color-text-sub);
    line-height: 1.5;
    background: var(--color-surface-sunken);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    border-left: 2px solid var(--color-border-hover);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: var(--space-4);
    right: var(--space-4);
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    pointer-events: none;
}

.toast {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--space-2) var(--space-3);
    color: var(--color-text-main);
    font-size: var(--text-sm);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    min-height: 44px;
    pointer-events: auto;
}

.toast.toast-success {
    border-left: 3px solid var(--color-state-success);
}

.toast.toast-info {
    border-left: 3px solid var(--color-action-focus);
}

.toast.toast-warning {
    border-left: 3px solid var(--color-state-warning);
}

/* ========================================================
   App Footer (法務・特商法・規約・Stripe契約管理リンク)
   ======================================================== */
.app-footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-6);
    padding: var(--space-5) var(--space-4) var(--space-4);
    color: var(--color-text-sub);
    font-size: var(--text-sm);
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.footer-container {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-3);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--space-3);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.footer-brand-name {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--color-text-main);
    font-size: var(--text-base);
}

.footer-brand-desc {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.footer-links {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-1) var(--space-3);
}

.footer-link-btn {
    background: none;
    border: none;
    color: var(--color-text-sub);
    font-size: var(--text-sm);
    cursor: pointer;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    min-height: 36px;
}

.footer-link-btn:hover {
    color: var(--color-action-accent);
    background: var(--color-surface-sunken);
    text-decoration: underline;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-2);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

/* 法務・特商法テーブル */
.tokusho-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-3) 0;
    font-size: var(--text-sm);
    border: 1px solid var(--color-border);
}

.tokusho-table th,
.tokusho-table td {
    border: 1px solid var(--color-border);
    padding: var(--space-2) var(--space-3);
    line-height: 1.6;
}

.tokusho-table th {
    background: var(--color-surface-sunken);
    color: var(--color-text-main);
    font-weight: 600;
    width: 160px;
    vertical-align: top;
    text-align: left;
}

.tokusho-table td {
    background: var(--color-surface);
    color: var(--color-text-main);
}

.legal-content-scroll {
    max-height: 55vh;
    overflow-y: auto;
    padding-right: var(--space-2);
    font-size: var(--text-sm);
    line-height: 1.7;
    color: var(--color-text-main);
}

.legal-section-title {
    font-size: var(--text-base);
    font-weight: 700;
    margin: var(--space-3) 0 var(--space-1);
    color: var(--color-text-main);
}

/* ========================================================
   CRITICAL: PRINT STYLES (@media print)
   ======================================================== */
@media print {
    @page {
        size: A4 portrait;
        margin: 10mm 12mm;
    }

    body {
        background: transparent !important;
        color: #000000 !important;
        padding: 0 !important;
        margin: 0 !important;
    }

    .app-header,
    .app-footer,
    .notice-banner,
    .panel,
    .preview-toolbar,
    .modal-overlay,
    .toast-container,
    .viral-footer {
        display: none !important;
    }

    .app-container, .preview-container, .paper-workspace {
        display: block !important;
        padding: 0 !important;
        margin: 0 !important;
        max-width: none !important;
    }

    .a4-sheet {
        width: 100% !important;
        min-height: auto !important;
        box-shadow: none !important;
        border: none !important;
        padding: 0 !important;
        margin: 0 !important;
        page-break-after: avoid !important;
        page-break-inside: avoid !important;
        font-size: 9pt !important;
    }

    .doc-header {
        margin-bottom: 8px !important;
        padding-bottom: 4px !important;
    }

    .doc-title-main {
        font-size: 19pt !important;
    }

    .parties-grid {
        gap: 12px !important;
        margin-bottom: 8px !important;
    }

    .grand-total-banner {
        padding: 5px 10px !important;
        margin-bottom: 8px !important;
    }

    .grand-total-val {
        font-size: 17pt !important;
    }

    .items-table {
        margin-bottom: 8px !important;
    }

    .items-table th, .items-table td {
        padding: 3px 5px !important;
    }

    .summary-grid {
        margin-bottom: 8px !important;
    }

    .doc-footer-area {
        padding-top: 4px !important;
    }

    * {
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }
}