*, *::before, *::after { box-sizing: border-box; }

:root {
  --color-primary: #1f6feb;
  --color-primary-dark: #174ea6;
  --color-accent: #eaf2ff;
  --color-bg: #ffffff;
  --color-bg-alt: #f7f9fc;
  --color-text: #1f2937;
  --color-text-light: #5b6472;
  --color-border: #d9e1ec;
  --color-stamp: #c53030;
  --color-warning: #b45309;
  --color-warning-bg: #fffbeb;

  --font-base: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Meiryo", sans-serif;
  --font-logo: "Josefin Sans", sans-serif;

  --radius-sm: 4px;
  --radius-md: 8px;
}

html { font-size: 14px; }

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background: #f0f2f5;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { margin: 0; line-height: 1.3; }
p { margin: 0; }
img { display: block; max-width: 100%; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── ナビバー（画面用） ─── */

.doc-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 24px;
  background: var(--color-primary-dark);
  color: #fff;
}

.doc-nav a {
  color: #fff;
  font-size: 0.875rem;
  font-weight: 500;
  opacity: 0.9;
}

.doc-nav a:hover { opacity: 1; text-decoration: none; }

.doc-nav-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.print-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: var(--radius-sm);
  background: transparent;
  color: #fff;
  font-family: var(--font-base);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
}

.print-btn:hover { background: rgba(255,255,255,0.15); }

/* ─── ハンバーガーメニュー ─── */

.hamburger-btn {
  display: none;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.hamburger-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background: #fff;
  border-radius: 1px;
  transition: transform 0.3s, opacity 0.3s;
}

.hamburger-btn.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger-btn.is-active span:nth-child(2) {
  opacity: 0;
}

.hamburger-btn.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 200;
  visibility: hidden;
  opacity: 0;
  transition: visibility 0.3s, opacity 0.3s;
}

.mobile-menu.is-open {
  visibility: visible;
  opacity: 1;
}

.mobile-menu-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
}

.mobile-menu-panel {
  position: absolute;
  top: 0;
  left: 0;
  width: 300px;
  max-width: 85vw;
  height: 100%;
  background: var(--color-bg);
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  box-shadow: 4px 0 20px rgba(0,0,0,0.15);
}

.mobile-menu.is-open .mobile-menu-panel {
  transform: translateX(0);
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--color-primary-dark);
  color: #fff;
}

.mobile-menu-header .doc-logo-text {
  color: #fff;
  font-size: 1rem;
}

.mobile-menu-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.15);
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
}

.mobile-menu-close:hover { background: rgba(255,255,255,0.25); }

.mobile-menu-phase {
  padding: 12px 20px 4px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.mobile-menu-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.85rem;
  transition: background 0.15s;
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu-link:hover {
  background: var(--color-accent);
  text-decoration: none;
}

.mobile-menu-link.is-current {
  background: var(--color-accent);
  font-weight: 700;
  color: var(--color-primary-dark);
  border-left: 3px solid var(--color-primary);
}

.mobile-menu-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-primary);
  font-size: 0.7rem;
  font-weight: 700;
  flex-shrink: 0;
}

.mobile-menu-link.is-current .mobile-menu-num {
  background: var(--color-primary);
  color: #fff;
}

/* ─── ドキュメントページ ─── */

.doc-page {
  max-width: 800px;
  margin: 32px auto;
  padding: 48px 48px 40px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

/* ─── ドキュメントヘッダー ─── */

.doc-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  padding-bottom: 20px;
  border-bottom: 3px solid var(--color-primary);
  margin-bottom: 24px;
}

.doc-header__logo {
  flex-shrink: 0;
}

.doc-logo-text {
  font-family: var(--font-logo);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  letter-spacing: 0.02em;
}

.doc-logo-sub {
  font-size: 0.7rem;
  color: var(--color-text-light);
  margin-top: 2px;
}

.doc-header__meta {
  text-align: right;
  flex-shrink: 0;
}

.doc-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}

.doc-title-center {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--color-primary);
}

.doc-meta-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
  font-size: 0.875rem;
}

.doc-meta-row label {
  color: var(--color-text-light);
  white-space: nowrap;
  font-weight: 500;
}

/* ─── 宛名欄 ─── */

.client-block {
  margin-bottom: 28px;
}

.client-name-line {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 1.1rem;
}

.client-name-line .honorific-select {
  width: auto;
  min-width: 60px;
  font-size: 1rem;
}

/* ─── セクション ─── */

.doc-section {
  margin-bottom: 28px;
}

.doc-section-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  padding: 6px 0 6px 12px;
  border-left: 4px solid var(--color-primary);
  margin-bottom: 16px;
}

.doc-section-subtitle {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
}

/* ─── フォーム要素 ─── */

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

.field-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 10px;
}

.field-row > label {
  flex-shrink: 0;
  width: 140px;
  padding-top: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

.field-row > input,
.field-row > select,
.field-row > textarea {
  flex: 1;
}

.field-half {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.field-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 4px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
input[type="number"],
input[type="date"],
input[type="color"],
select,
textarea {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-alt);
  font-family: var(--font-base);
  font-size: 0.875rem;
  color: var(--color-text);
  transition: border-color 0.2s;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(31,111,235,0.12);
}

input[type="color"] {
  width: 40px;
  height: 34px;
  padding: 2px;
  cursor: pointer;
}

textarea {
  min-height: 60px;
  resize: vertical;
}

.field-inline-input {
  display: inline-block;
  width: auto;
  min-width: 160px;
}

.field-wide {
  width: 100%;
}

/* ─── チェックボックス・ラジオ ─── */

.check-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin: 6px 0;
}

.check-list-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 20px;
}

.check-list-3col {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 6px 16px;
}

.check-item,
.radio-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  cursor: pointer;
}

.check-item input[type="checkbox"],
.radio-item input[type="radio"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
  cursor: pointer;
  flex-shrink: 0;
}

.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin: 6px 0;
}

/* ─── テーブル ─── */

.doc-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 16px;
  font-size: 0.875rem;
}

.doc-table th,
.doc-table td {
  border: 1px solid var(--color-border);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}

.doc-table th {
  background: var(--color-accent);
  font-weight: 600;
  color: var(--color-primary-dark);
  white-space: nowrap;
}

.doc-table tbody tr:nth-child(even) {
  background: var(--color-bg-alt);
}

.doc-table input,
.doc-table select,
.doc-table textarea {
  border: none;
  background: transparent;
  padding: 2px 4px;
  width: 100%;
  font-size: 0.875rem;
}

.doc-table input:focus,
.doc-table select:focus,
.doc-table textarea:focus {
  box-shadow: none;
  background: rgba(31,111,235,0.05);
}

.doc-table .col-no { width: 40px; text-align: center; }
.doc-table .col-qty { width: 60px; text-align: right; }
.doc-table .col-unit { width: 50px; text-align: center; }
.doc-table .col-price { width: 100px; text-align: right; }
.doc-table .col-amount { width: 110px; text-align: right; font-weight: 600; }
.doc-table .col-priority { width: 70px; text-align: center; }
.doc-table .col-status { width: 90px; text-align: center; }
.doc-table .col-check { width: 40px; text-align: center; }
.doc-table .col-result { width: 100px; text-align: center; }

.table-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.btn-add-row,
.btn-remove-row {
  padding: 5px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  font-family: var(--font-base);
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-add-row:hover { background: var(--color-accent); }
.btn-remove-row:hover { background: #fee2e2; }

/* ─── 合計エリア（見積書・請求書） ─── */

.total-area {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 24px;
}

.total-table {
  border-collapse: collapse;
  font-size: 0.95rem;
}

.total-table td {
  padding: 6px 16px;
  border: 1px solid var(--color-border);
}

.total-table .total-label {
  background: var(--color-bg-alt);
  font-weight: 600;
  text-align: right;
  min-width: 120px;
}

.total-table .total-value {
  text-align: right;
  min-width: 140px;
}

.total-table .grand-total td {
  background: var(--color-primary);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
}

.total-highlight {
  background: var(--color-accent);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  text-align: center;
  margin-bottom: 24px;
}

.total-highlight-label {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: 4px;
}

.total-highlight-amount {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

/* ─── 署名・捺印欄 ─── */

.signature-area {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.signature-block {
  flex: 1;
}

.signature-block-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}

.signature-field {
  margin-bottom: 8px;
}

.signature-field label {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-bottom: 2px;
}

.signature-field input {
  width: 100%;
}

.stamp-box {
  width: 72px;
  height: 72px;
  border: 2px dashed var(--color-stamp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 12px auto 0;
  color: var(--color-stamp);
  font-size: 0.8rem;
  font-weight: 600;
}

.stamp-row {
  display: flex;
  justify-content: flex-end;
  gap: 24px;
  margin-top: 16px;
}

.stamp-col {
  text-align: center;
}

.stamp-col-label {
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-bottom: 4px;
}

/* ─── 注意事項ボックス ─── */

.note-box {
  background: var(--color-warning-bg);
  border: 1px solid #fde68a;
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-top: 24px;
}

.note-box-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-warning);
  margin-bottom: 8px;
}

.note-box ul {
  margin: 0;
  padding-left: 0;
  list-style: none;
}

.note-box li {
  font-size: 0.85rem;
  color: var(--color-text);
  line-height: 1.8;
  padding-left: 1em;
  text-indent: -1em;
}

.note-box li::before {
  content: "・";
}

.note-list {
  margin: 8px 0;
  padding-left: 0;
  list-style: none;
}

.note-list li {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

.note-list li::before {
  content: "※ ";
  color: var(--color-text-light);
}

/* ─── 制作フロー用 ─── */

.flow-container {
  position: relative;
  padding-left: 40px;
}

.flow-line {
  position: absolute;
  left: 19px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.flow-step {
  position: relative;
  margin-bottom: 28px;
  padding: 16px 20px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.flow-step:last-child { margin-bottom: 0; }

.flow-number {
  position: absolute;
  left: -40px;
  top: 16px;
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  z-index: 1;
}

.flow-step-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 4px;
}

.flow-step-duration {
  font-size: 0.8rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 6px;
}

.flow-step-desc {
  font-size: 0.875rem;
  color: var(--color-text);
}

.flow-step-note {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-top: 4px;
  font-style: italic;
}

/* ─── オプション一覧用 ─── */

.option-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.option-table th,
.option-table td {
  border: 1px solid var(--color-border);
  padding: 10px 12px;
  vertical-align: top;
}

.option-table th {
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  text-align: left;
}

.option-table tbody tr:nth-child(even) {
  background: var(--color-bg-alt);
}

.option-table .col-check { width: 45px; text-align: center; }
.option-table .col-option { width: 23%; }
.option-table .col-desc { width: 47%; }
.option-table .col-price-opt { width: auto; text-align: right; white-space: nowrap; font-weight: 600; }

/* ─── 発行者情報 ─── */

.issuer-block {
  text-align: right;
  margin-bottom: 24px;
}

.issuer-block .issuer-name {
  font-family: var(--font-logo);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 4px;
}

.issuer-block p {
  font-size: 0.8rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

.issuer-stamp {
  display: flex;
  justify-content: flex-end;
  align-items: flex-start;
  gap: 20px;
}

.issuer-info {
  text-align: right;
}

/* ─── 契約書用 ─── */

.contract-article {
  margin-bottom: 20px;
}

.contract-article-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
}

.contract-article-body {
  font-size: 0.875rem;
  color: var(--color-text);
  line-height: 1.8;
  padding-left: 1em;
}

.contract-article-body p {
  margin-bottom: 6px;
}

.contract-parties {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
  padding: 16px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
}

.party-block-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

/* ─── フッター ─── */

.doc-footer {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-light);
}

/* ─── ユーティリティ ─── */

.text-right { text-align: right; }
.text-center { text-align: center; }
.text-small { font-size: 0.8rem; }
.text-muted { color: var(--color-text-light); }
.mt-0 { margin-top: 0; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.no-print { }
.print-only { display: none; }
.page-break { page-break-before: always; }

/* ─── レスポンシブ ─── */

@media (max-width: 768px) {
  .doc-page {
    margin: 16px 8px;
    padding: 24px 16px;
  }

  .doc-header {
    flex-direction: column;
    gap: 12px;
  }

  .doc-header__meta { text-align: left; }

  .field-row {
    flex-direction: column;
    gap: 4px;
  }

  .field-row > label { width: auto; padding-top: 0; }

  .field-half { grid-template-columns: 1fr; }

  .check-list-3col { grid-template-columns: 1fr 1fr; }

  .contract-parties { grid-template-columns: 1fr; }

  .signature-area {
    flex-direction: column;
    gap: 24px;
  }

  .total-highlight-amount { font-size: 1.4rem; }

  .flow-container { padding-left: 32px; }
  .flow-number { left: -32px; width: 28px; height: 28px; font-size: 0.75rem; }

  .hamburger-btn { display: flex; }

  .doc-nav { padding: 8px 16px; }
  .doc-nav .nav-back-link { display: none; }

  .print-btn { padding: 5px 10px; font-size: 0.8rem; }

  .doc-table { font-size: 0.8rem; }
  .doc-table th, .doc-table td { padding: 6px 6px; }

  .issuer-stamp { flex-direction: column; align-items: flex-end; }

  .radio-group--vertical { flex-direction: column; gap: 4px; }

  .mobile-menu { display: block; }
}

@media (max-width: 480px) {
  html { font-size: 13px; }

  .doc-page { margin: 8px 4px; padding: 20px 12px; }

  .doc-title { font-size: 1.25rem; }
  .doc-title-center { font-size: 1.25rem; }

  .doc-logo-text { font-size: 1.1rem; }

  .check-list-2col { grid-template-columns: 1fr; }
  .check-list-3col { grid-template-columns: 1fr; }

  .option-table .col-desc { display: none; }

  .total-highlight { padding: 12px 16px; }
  .total-highlight-amount { font-size: 1.2rem; }

  .doc-table .col-price,
  .doc-table .col-amount { width: 80px; }
}

/* ─── 印刷スタイル ─── */

@media print {
  html { font-size: 10.5px; }

  body {
    background: #fff;
    margin: 0;
    padding: 0;
    line-height: 1.4;
  }

  @page {
    size: A4;
    margin: 8mm 15mm 16mm 15mm;
  }

  .no-print,
  .doc-nav,
  .print-btn,
  .table-actions,
  .btn-add-row,
  .btn-remove-row { display: none !important; }

  .print-only { display: block; }

  .doc-page {
    max-width: none;
    margin: 0;
    padding: 0;
    background: none;
    box-shadow: none;
    border-radius: 0;
  }

  .doc-header {
    border-bottom-color: var(--color-primary);
    padding-bottom: 8px;
    margin-bottom: 8px;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }

  .doc-meta-row { margin-bottom: 1px; }

  .doc-section {
    margin-bottom: 8px;
    break-inside: avoid;
  }

  .doc-section-title {
    margin-bottom: 4px;
    padding: 4px 0 4px 10px;
    font-size: 0.95rem;
  }

  .field-group { margin-bottom: 4px; }
  .field-label { margin-bottom: 2px; }

  .doc-table th {
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }

  .doc-table tbody tr:nth-child(even) {
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }

  .doc-table { break-inside: auto; }
  .doc-table tr { break-inside: avoid; }
  .doc-table td,
  .doc-table th { padding: 4px 6px; }
  .total-table td { padding: 3px 8px; }

  input[type="text"],
  input[type="email"],
  input[type="tel"],
  input[type="url"],
  input[type="number"],
  input[type="date"],
  select,
  textarea {
    border: none;
    border-bottom: 1px solid #999;
    border-radius: 0;
    background: transparent;
    padding: 2px 0;
    box-shadow: none;
  }

  .doc-table input,
  .doc-table select,
  .doc-table textarea {
    border-bottom: none;
  }

  .client-name-line {
    border-bottom: 1px solid #999;
    padding-bottom: 2px;
    gap: 2px;
  }
  .client-name-line input,
  .client-name-line .honorific-select {
    border-bottom: none !important;
  }

  .total-highlight {
    padding: 6px 12px;
    margin-bottom: 8px;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }
  .total-highlight-amount { font-size: 1.2rem; }

  .total-area { margin-bottom: 8px; }

  .signature-area { break-inside: avoid; }

  .issuer-stamp {
    margin-top: 24px;
  }
  .issuer-info p { margin: 0 !important; font-size: 0.75rem; line-height: 1.4; }

  .stamp-box,
  .stamp-col { display: none !important; }

  .signature-block {
    margin-top: 24px;
    padding-bottom: 6mm;
  }

  textarea { min-height: 20px !important; max-height: 40px; overflow: hidden; }

  .field-half { gap: 4px 16px; }
  .radio-group { gap: 8px; }
  .doc-page p { margin-top: 0; margin-bottom: 4px; }
  .text-small { font-size: 0.7rem; }
  .doc-title { font-size: 1.3rem; }

  .note-box {
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }

  .total-table .grand-total td {
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }

  .option-table th {
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }

  .flow-number {
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }

  .doc-footer { display: none; }

  .doc-print-footer { display: none !important; }

  a { color: var(--color-text); }
  a[href]::after { content: none; }
}

/* ─── 目次ページ用 ─── */

.index-page {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 24px;
}

.index-header {
  text-align: center;
  margin-bottom: 48px;
}

.index-logo {
  font-family: var(--font-logo);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.index-title {
  font-size: 1.1rem;
  color: var(--color-text-light);
  font-weight: 400;
}

.phase-section {
  margin-bottom: 32px;
}

.phase-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--color-accent);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.doc-card {
  display: block;
  padding: 16px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--color-text);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.doc-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(31,111,235,0.1);
  text-decoration: none;
}

.doc-card-number {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.doc-card-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.doc-card-desc {
  font-size: 0.75rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

/* ─── 目次ページ レスポンシブ ─── */

@media (max-width: 768px) {
  .index-page { padding: 24px 16px; }
  .index-header { margin-bottom: 32px; }
  .index-logo { font-size: 1.6rem; }
  .card-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .doc-card { padding: 12px; }
  .doc-card-title { font-size: 0.85rem; }
}

@media (max-width: 480px) {
  .index-page { padding: 16px 12px; }
  .index-logo { font-size: 1.3rem; }
  .card-grid { grid-template-columns: 1fr; }
}