:root {
  --bg: #f8f9fc;
  --surface: #ffffff;
  --text: #1c2130;
  --text-soft: #5b6272;
  --text-faint: #8a90a0;
  --border: #e6e8ef;
  --primary: #4f46e5;
  --primary-soft: #eef0ff;
  --primary-hover: #4338ca;
  --success: #16815a;
  --success-soft: #e7f6ef;
  --danger: #c2413b;
  --danger-soft: #fdeeed;
  --warn-soft: #fff5e0;
  --warn: #92600a;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(20, 24, 40, 0.04), 0 6px 24px rgba(20, 24, 40, 0.05);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  font-family:
    "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI",
    -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
}

button {
  font-family: inherit;
  font-size: 1rem;
  cursor: pointer;
}
input,
textarea,
select {
  font-family: inherit;
  font-size: 1rem;
  color: var(--text);
}

a {
  color: var(--primary);
  text-decoration: none;
}

.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 12px 22px;
  font-weight: 600;
  transition:
    background 0.15s,
    border-color 0.15s,
    color 0.15s;
  text-decoration: none;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-hover);
}
.btn-primary:disabled {
  background: #b9b7ef;
  cursor: not-allowed;
}
.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover {
  border-color: #c9cdda;
  background: #fbfbfe;
}
.btn-ghost {
  background: transparent;
  color: var(--text-soft);
}
.btn-ghost:hover {
  color: var(--text);
}
.btn-danger {
  background: var(--danger-soft);
  color: var(--danger);
}
.btn-lg {
  padding: 15px 32px;
  font-size: 1.05rem;
  border-radius: 12px;
}
.btn-sm {
  padding: 7px 14px;
  font-size: 0.9rem;
  border-radius: 8px;
}

/* ---------- landing ---------- */
.landing-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
}
.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: var(--primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.05rem;
}
.hero {
  text-align: center;
  padding: 72px 0 36px;
}
.hero h1 {
  font-size: clamp(1.7rem, 4.5vw, 2.6rem);
  line-height: 1.35;
  letter-spacing: 0.01em;
}
.hero p.sub {
  margin-top: 18px;
  color: var(--text-soft);
  font-size: 1.1rem;
}
.hero-actions {
  margin-top: 34px;
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.benefits {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  padding: 44px 0 80px;
}
.benefit {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  box-shadow: var(--shadow);
}
.benefit .icon {
  font-size: 1.6rem;
}
.benefit h3 {
  margin: 12px 0 6px;
  font-size: 1.05rem;
}
.benefit p {
  color: var(--text-soft);
  font-size: 0.95rem;
}

/* ---------- onboarding ---------- */
.onboarding {
  max-width: 560px;
  margin: 0 auto;
  padding: 56px 20px 80px;
}
.steps-indicator {
  display: flex;
  gap: 8px;
  margin-bottom: 36px;
}
.steps-indicator span {
  height: 5px;
  flex: 1;
  border-radius: 3px;
  background: var(--border);
}
.steps-indicator span.done {
  background: var(--primary);
}
.onboarding h1 {
  font-size: 1.6rem;
  margin-bottom: 8px;
}
.onboarding p.sub {
  color: var(--text-soft);
  margin-bottom: 30px;
}

.field {
  margin-bottom: 20px;
}
.field label {
  display: block;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 8px;
}
.field input,
.field textarea,
.field select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 13px 15px;
  background: var(--surface);
  outline: none;
  transition:
    border-color 0.15s,
    box-shadow 0.15s;
}
.field input:focus,
.field textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}
.field .hint {
  color: var(--text-faint);
  font-size: 0.88rem;
  margin-top: 6px;
}
textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.7;
}

.option-card {
  width: 100%;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 12px;
  transition:
    border-color 0.15s,
    box-shadow 0.15s;
}
.option-card:not(:disabled):hover {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}
.option-card:disabled {
  opacity: 0.6;
  cursor: default;
}
.option-card.selected {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}
.option-card .icon {
  width: 44px;
  height: 44px;
  border-radius: 11px;
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  font-size: 1.3rem;
}
.option-card .body {
  flex: 1;
}
.option-card .title {
  font-weight: 600;
}
.option-card .desc {
  color: var(--text-soft);
  font-size: 0.9rem;
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 999px;
  padding: 3px 10px;
  vertical-align: middle;
}
.badge-primary {
  background: var(--primary-soft);
  color: var(--primary);
}
.badge-muted {
  background: #f0f1f5;
  color: var(--text-faint);
}
.badge-success {
  background: var(--success-soft);
  color: var(--success);
}
.badge-warn {
  background: var(--warn-soft);
  color: var(--warn);
}
.badge-danger {
  background: var(--danger-soft);
  color: var(--danger);
}

.onboarding-actions {
  margin-top: 30px;
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}
.connected-note {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--success-soft);
  color: var(--success);
  border-radius: 10px;
  padding: 13px 16px;
  font-weight: 600;
  margin: 8px 0 4px;
}
.ready {
  text-align: center;
  padding: 40px 0;
}
.ready .big {
  font-size: 3rem;
}
.ready h1 {
  margin: 16px 0 8px;
}

/* ---------- app shell ---------- */
.appbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.appbar-inner {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 20px;
  height: 60px;
}
.appbar .company {
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.appbar nav {
  display: flex;
  gap: 4px;
  margin-left: auto;
  overflow-x: auto;
}
.appbar nav a {
  color: var(--text-soft);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 8px 13px;
  border-radius: 9px;
  white-space: nowrap;
}
.appbar nav a:hover {
  color: var(--text);
  background: #f2f3f8;
}
.appbar nav a.active {
  color: var(--primary);
  background: var(--primary-soft);
}
.lang-toggle {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 8px;
  padding: 5px 10px;
  font-size: 0.85rem;
  color: var(--text-soft);
  white-space: nowrap;
}

.page {
  max-width: 980px;
  margin: 0 auto;
  padding: 40px 20px 90px;
}
.page-head {
  margin-bottom: 28px;
}
.page-head h1 {
  font-size: 1.5rem;
}
.page-head p {
  color: var(--text-soft);
  margin-top: 4px;
}
.page-head .actions {
  margin-top: 16px;
}
.page-head-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}

/* ---------- ask ---------- */
.ask-box {
  padding: 28px;
}
.ask-box h2 {
  font-size: 1.25rem;
  margin-bottom: 16px;
}
.ask-input-row {
  display: flex;
  gap: 10px;
}
.ask-input-row textarea {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  min-height: 58px;
  outline: none;
}
.ask-input-row textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}
.examples {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.chip {
  background: #f2f3f8;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 0.88rem;
  color: var(--text-soft);
}
.chip:hover {
  border-color: var(--border);
  color: var(--text);
  background: #fff;
}

.answer {
  margin-top: 22px;
}
.answer .question {
  color: var(--text-faint);
  font-size: 0.9rem;
  margin-bottom: 10px;
}
.answer .text {
  white-space: pre-wrap;
}
.answer .meta {
  margin-top: 16px;
  color: var(--text-faint);
  font-size: 0.88rem;
}
.sources {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}
.source-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--primary-soft);
  color: var(--primary);
  border: none;
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 0.88rem;
  font-weight: 600;
}
.source-chip:hover {
  background: #e2e5ff;
}

.thinking {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
  color: var(--text-soft);
}
.dots {
  display: inline-flex;
  gap: 4px;
}
.dots span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--primary);
  animation: bounce 1.2s infinite;
}
.dots span:nth-child(2) {
  animation-delay: 0.15s;
}
.dots span:nth-child(3) {
  animation-delay: 0.3s;
}
@keyframes bounce {
  0%,
  60%,
  100% {
    transform: translateY(0);
    opacity: 0.4;
  }
  30% {
    transform: translateY(-5px);
    opacity: 1;
  }
}

/* ---------- lists ---------- */
.search-row {
  margin-bottom: 18px;
}
.search-row input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 15px;
  background: var(--surface);
  outline: none;
}
.search-row input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}

.doc-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.doc-row {
  width: 100%;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 15px 18px;
  transition: border-color 0.15s;
}
.doc-row:hover {
  border-color: var(--primary);
}
.doc-row .doc-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  flex: none;
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
}
.doc-row .body {
  flex: 1;
  min-width: 0;
}
.doc-row .name {
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.doc-row .sub {
  color: var(--text-faint);
  font-size: 0.85rem;
}

.wf-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.wf-card {
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.15s;
}
.wf-card:hover {
  border-color: var(--primary);
}
.wf-card h3 {
  font-size: 1.05rem;
}
.wf-card .row {
  display: flex;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-soft);
}
.wf-card .row .k {
  color: var(--text-faint);
  flex: none;
  width: 4.5em;
}
.wf-card .foot {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

.empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-soft);
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}
.empty .icon {
  font-size: 2rem;
  margin-bottom: 10px;
}

/* ---------- workflow detail ---------- */
.back-link {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--text-soft);
  font-weight: 600;
}
.detail-head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.detail-head h1 {
  font-size: 1.4rem;
}
.kv {
  margin-top: 18px;
  display: grid;
  gap: 10px;
}
.kv .row {
  display: flex;
  gap: 14px;
}
.kv .k {
  color: var(--text-faint);
  width: 7em;
  flex: none;
  font-size: 0.95rem;
}
.step-list {
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.step-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.step-item .n {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  flex: none;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.step-item .line {
  padding: 3px 0 18px;
}
.step-item:not(:last-child) .rail {
  flex: none;
}

.test-panel {
  margin-top: 24px;
}
.run-steps {
  margin: 18px 0 6px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.run-step {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-faint);
}
.run-step.done {
  color: var(--text);
}
.run-step .tick {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  background: #eef0f4;
  color: transparent;
}
.run-step.done .tick {
  background: var(--success-soft);
  color: var(--success);
}
.draft {
  margin-top: 18px;
}
.draft-label {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 8px;
}
.draft-box {
  background: #fbfbfe;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  white-space: pre-wrap;
}
.draft textarea {
  width: 100%;
  border: 1px solid var(--primary);
  border-radius: 12px;
  padding: 18px;
}
.approve-row {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.result-note {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  font-weight: 600;
}
.result-note.ok {
  color: var(--success);
}
.result-note.no {
  color: var(--danger);
}

/* ---------- activity ---------- */
.day-group {
  margin-bottom: 28px;
}
.day-group h3 {
  font-size: 0.95rem;
  color: var(--text-faint);
  margin-bottom: 12px;
  font-weight: 600;
}
.act-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.act-row {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 18px;
}
.act-row .time {
  color: var(--text-faint);
  font-size: 0.85rem;
  width: 3.4em;
  flex: none;
  padding-top: 2px;
}
.act-row .icon {
  flex: none;
  padding-top: 1px;
}
.act-row .body {
  flex: 1;
  min-width: 0;
}
.act-row .title {
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.act-row .sub {
  color: var(--text-soft);
  font-size: 0.88rem;
}

/* ---------- modal ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(18, 22, 36, 0.45);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 6vh 16px 16px;
  z-index: 50;
  overflow-y: auto;
}
.modal {
  background: var(--surface);
  border-radius: 16px;
  box-shadow: 0 24px 60px rgba(15, 18, 34, 0.25);
  width: 100%;
  max-width: 620px;
  padding: 28px;
}
.modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.modal-head h2 {
  font-size: 1.2rem;
}
.modal-close {
  background: none;
  border: none;
  font-size: 1.3rem;
  color: var(--text-faint);
  line-height: 1;
  padding: 4px;
}
.modal .doc-content {
  white-space: pre-wrap;
  background: #fbfbfe;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  max-height: 50vh;
  overflow-y: auto;
}
.modal .meta-line {
  color: var(--text-faint);
  font-size: 0.88rem;
  margin-bottom: 12px;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

.wizard-options {
  display: flex;
  flex-direction: column;
}

/* ---------- toast ---------- */
.toast {
  position: fixed;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  background: #21263a;
  color: #fff;
  border-radius: 12px;
  padding: 12px 22px;
  font-size: 0.95rem;
  box-shadow: 0 10px 30px rgba(10, 12, 24, 0.3);
  z-index: 100;
  max-width: min(90vw, 480px);
  text-align: center;
}

@media (max-width: 640px) {
  .appbar-inner {
    height: auto;
    flex-wrap: wrap;
    padding: 10px 16px;
    gap: 8px;
  }
  .appbar nav {
    width: 100%;
    margin-left: 0;
  }
  .page {
    padding: 26px 16px 80px;
  }
  .hero {
    padding: 48px 0 24px;
  }
  .ask-input-row {
    flex-direction: column;
  }
}