:root {
  --canvas: #ebe9e2;
  --surface: #ffffff;
  --surface-soft: #f7f5ef;
  --ink: #16201c;
  --muted: #66736d;
  --green: #123c35;
  --green-2: #1f5148;
  --green-soft: #e6efec;
  --gold: #c89b5b;
  --gold-soft: #f2e8d6;
  --line: #dedbd1;
  --line-soft: #ece9e1;
  --danger: #9b3a2b;
  --danger-soft: #f7e8e4;
  --warning: #a25d20;
  --warning-soft: #f8ecdd;
  --success: #2e7658;
  --success-soft: #e3f0ea;
  --shadow: 0 18px 60px rgba(25, 38, 33, 0.09);
  --radius: 18px;
}

*, *::before, *::after { box-sizing: border-box; }
html { text-size-adjust: 100%; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--canvas);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", system-ui, -apple-system, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
button, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
a { color: inherit; }

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 8px;
  color: #fff;
  background: var(--green);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 40;
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 10px 24px;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  min-width: 0;
}
.brand img { width: auto; height: 31px; object-fit: contain; }
.product-name {
  border-left: 1px solid var(--line);
  padding-left: 14px;
  color: var(--green);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.03em;
}
.header-actions { display: flex; align-items: center; gap: 12px; }
.demo-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--gold-soft);
  color: #70512d;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.app-header .nav-language {
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  text-decoration: none;
}
.app-header .nav-language:hover { text-decoration: underline; text-underline-offset: 3px; }
.demo-badge span { width: 7px; height: 7px; border-radius: 50%; background: var(--gold); }
.quiet-button, .quiet-link {
  border: 0;
  padding: 8px 10px;
  color: var(--muted);
  background: transparent;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
  cursor: pointer;
}
.quiet-button:hover, .quiet-link:hover { color: var(--green); background: var(--green-soft); }

.demo-notice {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  min-height: 39px;
  padding: 8px 24px;
  color: #5f4c32;
  background: #f7f0e3;
  border-bottom: 1px solid #e5d4b8;
  font-size: 12px;
}
.demo-notice p { margin: 0; }
.demo-notice span { white-space: nowrap; color: #7b694f; }

.app-main { max-width: 1780px; margin: 0 auto; padding: 24px; }
.workspace-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  padding: 6px 2px 20px;
}
.eyebrow, .panel-kicker {
  margin: 0 0 5px;
  color: var(--green-2);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.14em;
}
.workspace-heading h1 { margin: 0; color: var(--green); font-size: clamp(27px, 3vw, 40px); line-height: 1.2; letter-spacing: -0.035em; }
.workspace-lead { margin: 7px 0 0; color: var(--muted); font-size: 14px; }
.workspace-date {
  display: grid;
  gap: 2px;
  min-width: 190px;
  padding-left: 18px;
  border-left: 2px solid var(--gold);
  text-align: left;
}
.workspace-date span { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; }
.workspace-date strong { color: var(--green); font-size: 14px; }

.kpi-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--line);
  box-shadow: 0 6px 24px rgba(25, 38, 33, 0.05);
}
.kpi-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  min-height: 70px;
  padding: 13px 16px;
  border: 0;
  background: var(--surface);
  text-align: left;
  cursor: pointer;
}
.kpi-card:hover { background: var(--surface-soft); }
.kpi-card[aria-pressed="true"] { background: var(--green-soft); box-shadow: inset 0 -3px var(--green); }
.kpi-card span { color: var(--muted); font-size: 11px; font-weight: 700; }
.kpi-card strong { color: var(--green); font-size: 25px; line-height: 1; font-variant-numeric: tabular-nums; }
.kpi-card.is-alert strong { color: var(--danger); }

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(270px, 0.78fr) minmax(430px, 1.2fr) minmax(350px, 1fr);
  min-height: 690px;
  max-height: calc(100vh - 246px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.demo-site-actions {
  width: min(1480px, calc(100% - 32px));
  margin: 24px auto 40px;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.demo-site-actions h2 { margin: 3px 0 6px; color: var(--green); font-size: 20px; }
.demo-site-actions p { margin: 0; color: var(--muted); }
.demo-site-action-links { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; }
.demo-site-action-links .primary-button { text-decoration: none; }

@media (max-width: 720px) {
  .demo-site-actions { align-items: stretch; flex-direction: column; padding: 20px; }
  .demo-site-action-links { align-items: stretch; flex-direction: column; }
  .demo-site-action-links .primary-button, .demo-site-action-links .quiet-link { text-align: center; }
}
.panel { min-width: 0; min-height: 0; background: var(--surface); }
.panel + .panel { border-left: 1px solid var(--line); }
.panel-header { padding: 18px 20px; border-bottom: 1px solid var(--line-soft); }
.panel-header h2 { margin: 0; color: var(--green); font-size: 18px; letter-spacing: -0.015em; }

.inbox-panel, .detail-panel, .decision-panel { display: flex; flex-direction: column; overflow: hidden; }
.inbox-heading { display: flex; align-items: center; justify-content: space-between; min-height: 78px; }
.item-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
  padding: 0 8px;
  border-radius: 999px;
  color: var(--green);
  background: var(--green-soft);
  font-size: 12px;
  font-weight: 800;
}
.inbox-filters {
  display: flex;
  gap: 6px;
  padding: 11px 12px;
  overflow-x: auto;
  border-bottom: 1px solid var(--line-soft);
  scrollbar-width: thin;
}
.filter-chip {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--muted);
  background: var(--surface);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}
.filter-chip[aria-pressed="true"] { border-color: var(--green); color: #fff; background: var(--green); }
.inquiry-list { flex: 1; overflow-y: auto; }
.inquiry-card {
  width: 100%;
  display: grid;
  grid-template-columns: 35px minmax(0, 1fr);
  gap: 11px;
  padding: 15px 14px;
  border: 0;
  border-bottom: 1px solid var(--line-soft);
  background: var(--surface);
  text-align: left;
  cursor: pointer;
}
.inquiry-card:hover { background: var(--surface-soft); }
.inquiry-card[aria-current="true"] { background: var(--green-soft); box-shadow: inset 3px 0 var(--green); }
.country-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 35px;
  height: 35px;
  border-radius: 10px;
  color: var(--green);
  background: #f1f0eb;
  border: 1px solid var(--line);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0.04em;
}
.inquiry-card-main { min-width: 0; }
.inquiry-card-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.inquiry-company { overflow: hidden; color: var(--ink); font-size: 12px; font-weight: 800; text-overflow: ellipsis; white-space: nowrap; }
.priority-dot { flex: 0 0 auto; width: 8px; height: 8px; border-radius: 50%; background: #9ca6a1; }
.priority-dot.high { background: var(--danger); box-shadow: 0 0 0 3px var(--danger-soft); }
.priority-dot.medium { background: var(--warning); }
.inquiry-subject { margin: 5px 0 7px; overflow: hidden; color: #34433d; font-size: 12px; line-height: 1.45; text-overflow: ellipsis; white-space: nowrap; }
.inquiry-card-bottom { display: flex; align-items: center; justify-content: space-between; gap: 8px; color: var(--muted); font-size: 10px; }
.inquiry-next { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.due.overdue { color: var(--danger); font-weight: 800; }
.empty-state { padding: 42px 24px; color: var(--muted); text-align: center; font-size: 13px; }

.detail-heading { min-height: 153px; }
.detail-title-row { display: flex; justify-content: space-between; gap: 20px; }
.detail-title-row h2 { font-size: 21px; }
.company-line { margin: 3px 0 0; color: var(--muted); font-size: 12px; }
.detail-badges { display: flex; align-items: flex-start; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.status-pill, .priority-pill {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 800;
}
.priority-pill.high { color: var(--danger); background: var(--danger-soft); }
.priority-pill.medium { color: var(--warning); background: var(--warning-soft); }
.priority-pill.low { color: var(--muted); background: #eff1ef; }
.status-pill { color: var(--green); background: var(--green-soft); }
.detail-meta { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 14px 0 0; }
.detail-meta div { min-width: 0; }
.detail-meta dt { color: var(--muted); font-size: 9px; font-weight: 750; letter-spacing: 0.08em; text-transform: uppercase; }
.detail-meta dd { margin: 3px 0 0; overflow: hidden; color: var(--ink); font-size: 11px; font-weight: 750; text-overflow: ellipsis; white-space: nowrap; }
.detail-meta .meta-due.overdue { color: var(--danger); }
.conversation { flex: 1; overflow-y: auto; padding: 24px; background: #fbfaf7; }
.conversation-date { margin: 0 0 20px; color: #8a948f; font-size: 10px; font-weight: 700; text-align: center; letter-spacing: 0.08em; text-transform: uppercase; }
.message { max-width: 92%; margin-bottom: 18px; }
.message.outbound { margin-left: auto; }
.message-meta { display: flex; justify-content: space-between; gap: 16px; margin: 0 3px 6px; color: var(--muted); font-size: 10px; }
.message-body {
  margin: 0;
  padding: 18px 19px;
  border: 1px solid var(--line);
  border-radius: 4px 16px 16px 16px;
  color: #27362f;
  background: var(--surface);
  box-shadow: 0 4px 14px rgba(25, 38, 33, 0.04);
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-size: 14px;
  line-height: 1.7;
  white-space: pre-wrap;
}
.message.outbound .message-body { border-color: #cfded8; border-radius: 16px 4px 16px 16px; background: #edf4f1; }
.detail-mobile-action, .mobile-back, .mobile-switcher { display: none; }

.decision-panel { position: relative; background: #f8f8f5; }
.decision-panel::before {
  content: "";
  position: absolute;
  top: 147px;
  bottom: 28px;
  left: 28px;
  width: 1px;
  background: linear-gradient(var(--gold), var(--green), transparent);
  opacity: 0.42;
  pointer-events: none;
}
.decision-heading { min-height: 100px; display: flex; align-items: start; justify-content: space-between; gap: 16px; }
.human-note { margin: 1px 0 0; color: var(--green); font-size: 10px; font-weight: 750; white-space: nowrap; }
.human-note span { display: inline-grid; place-items: center; width: 18px; height: 18px; margin-right: 4px; border-radius: 50%; color: #fff; background: var(--green); }
.decision-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.76);
}
.decision-tabs button {
  border: 0;
  border-radius: 9px;
  padding: 8px 7px;
  color: var(--muted);
  background: transparent;
  font-size: 11px;
  font-weight: 800;
  cursor: pointer;
}
.decision-tabs button[aria-selected="true"] { color: #fff; background: var(--green); }
.decision-content { flex: 1; overflow-y: auto; padding: 18px 18px 26px 44px; }
.rail-section { position: relative; margin-bottom: 18px; }
.rail-section::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 4px;
  width: 9px;
  height: 9px;
  border: 2px solid #f8f8f5;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 1px var(--gold);
}
.rail-section.is-human::before { background: var(--green); box-shadow: 0 0 0 1px var(--green); }
.section-label { margin: 0 0 8px; color: var(--muted); font-size: 9px; font-weight: 850; letter-spacing: 0.12em; text-transform: uppercase; }
.summary-list, .missing-list { margin: 0; padding: 0; list-style: none; }
.summary-list li, .missing-list li { position: relative; padding: 0 0 7px 14px; color: #2d3a35; font-size: 12px; line-height: 1.5; }
.summary-list li::before { content: ""; position: absolute; top: 7px; left: 1px; width: 5px; height: 5px; border-radius: 50%; background: var(--green); }
.missing-list li::before { content: "?"; position: absolute; top: 0; left: 0; color: var(--warning); font-weight: 850; }
.priority-explain {
  border: 1px solid #ead5ce;
  border-radius: 12px;
  background: #fffaf8;
  overflow: hidden;
}
.priority-explain summary { padding: 10px 12px; color: var(--danger); font-size: 11px; font-weight: 800; cursor: pointer; list-style: none; }
.priority-explain summary::-webkit-details-marker { display: none; }
.priority-explain summary::after { content: "+"; float: right; }
.priority-explain[open] summary::after { content: "−"; }
.reason-list { margin: 0; padding: 0 15px 12px 28px; color: #59443e; font-size: 11px; }
.reason-list li + li { margin-top: 5px; }
.next-action-card { border: 1px solid #c8dad3; border-radius: 13px; padding: 12px 13px; background: #fff; }
.next-action-card strong { display: block; color: var(--green); font-size: 13px; }
.next-action-card span { display: block; margin-top: 3px; color: var(--muted); font-size: 10px; }
.task-list { display: grid; gap: 9px; }
.task-card { display: grid; grid-template-columns: 20px 1fr; gap: 9px; padding: 11px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.task-card input { width: 17px; height: 17px; margin: 1px 0 0; accent-color: var(--green); }
.task-card strong { display: block; color: var(--ink); font-size: 11px; line-height: 1.45; }
.task-card span { display: block; margin-top: 4px; color: var(--muted); font-size: 9px; }
.task-card.is-done strong { color: var(--muted); text-decoration: line-through; }
.source-list { display: grid; gap: 6px; }
.source-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; padding: 8px 9px; border: 1px solid var(--line-soft); border-radius: 9px; background: #fff; }
.source-row strong { display: block; font-size: 10px; }
.source-row span { display: block; margin-top: 2px; color: var(--muted); font-size: 9px; }
.source-state { align-self: center; color: var(--success); font-size: 9px; font-weight: 800; }
.source-state.needs_confirmation { color: var(--warning); }
.tone-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.tone-button { border: 1px solid var(--line); border-radius: 999px; padding: 5px 8px; color: var(--muted); background: #fff; font-size: 9px; font-weight: 750; cursor: pointer; }
.tone-button[aria-pressed="true"] { border-color: var(--green); color: var(--green); background: var(--green-soft); }
.draft-editor { width: 100%; min-height: 245px; resize: vertical; border: 1px solid var(--line); border-radius: 12px; padding: 12px; color: #27362f; background: #fff; font-family: ui-serif, Georgia, serif; font-size: 12px; line-height: 1.65; }
.draft-note { margin: 7px 0 10px; color: var(--muted); font-size: 9px; }
.primary-button {
  width: 100%;
  min-height: 43px;
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  color: #fff;
  background: var(--green);
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}
.primary-button:hover { background: #0c2c27; }
.primary-button:disabled { cursor: not-allowed; opacity: 0.58; }
.consult-button { display: inline-flex; align-items: center; justify-content: center; margin-top: 10px; text-decoration: none; }
.approval-complete { padding: 12px; border: 1px solid #b9d5c8; border-radius: 12px; color: var(--green); background: var(--success-soft); font-size: 11px; font-weight: 750; }
.approval-complete span { display: block; margin-top: 4px; color: var(--muted); font-size: 9px; font-weight: 600; }

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 60;
  max-width: min(390px, calc(100vw - 32px));
  padding: 12px 16px;
  border-radius: 12px;
  color: #fff;
  background: var(--green);
  box-shadow: 0 16px 40px rgba(18, 60, 53, 0.24);
  font-size: 12px;
  font-weight: 700;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}
.toast.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1180px) {
  .app-main { padding: 18px; }
  .workspace-grid { grid-template-columns: minmax(245px, 0.72fr) minmax(380px, 1.14fr) minmax(320px, 1fr); }
  .workspace-date { display: none; }
}

@media (max-width: 1020px) {
  body { min-height: 100vh; background: var(--surface-soft); }
  .app-header { min-height: 56px; padding: 9px 14px; }
  .brand img { height: 26px; }
  .product-name { font-size: 12px; padding-left: 10px; }
  .quiet-link { display: none; }
  .demo-notice { justify-content: flex-start; padding: 8px 14px; font-size: 10px; }
  .demo-notice span { display: none; }
  .app-main { padding: 14px; }
  .workspace-heading { padding: 2px 1px 15px; }
  .workspace-heading h1 { font-size: 26px; }
  .workspace-lead { font-size: 12px; }
  .kpi-strip { grid-template-columns: repeat(5, minmax(105px, 1fr)); overflow-x: auto; }
  .kpi-card { min-height: 62px; padding: 10px 12px; }
  .mobile-switcher {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    position: sticky;
    top: 56px;
    z-index: 30;
    margin-bottom: 9px;
    padding: 5px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
  }
  .mobile-switcher button { border: 0; border-radius: 8px; padding: 9px 5px; color: var(--muted); background: transparent; font-size: 11px; font-weight: 800; }
  .mobile-switcher button[aria-current="page"] { color: #fff; background: var(--green); }
  .workspace-grid { display: block; min-height: 610px; max-height: none; border-radius: 15px; }
  .panel + .panel { border-left: 0; }
  [data-mobile-panel] { display: none; min-height: 610px; max-height: calc(100vh - 200px); }
  body[data-mobile-view="inbox"] [data-mobile-panel="inbox"],
  body[data-mobile-view="detail"] [data-mobile-panel="detail"],
  body[data-mobile-view="decision"] [data-mobile-panel="decision"] { display: flex; }
  .mobile-back { display: inline-flex; align-self: flex-start; margin: 0 0 10px; padding: 4px 0; border: 0; color: var(--green); background: transparent; font-size: 11px; font-weight: 800; }
  .detail-mobile-action { display: block; padding: 12px; border-top: 1px solid var(--line-soft); background: #fff; }
  .decision-panel::before { top: 192px; }
  .detail-heading { min-height: 174px; }
}

@media (max-width: 560px) {
  .demo-badge { padding: 5px 8px; font-size: 9px; }
  .quiet-button { font-size: 11px; }
  .workspace-heading h1 { font-size: 23px; }
  .workspace-lead { max-width: 34em; }
  .detail-title-row { gap: 10px; }
  .detail-title-row h2 { font-size: 18px; }
  .detail-badges { max-width: 105px; }
  .conversation { padding: 17px 14px; }
  .message { max-width: 97%; }
  .message-body { padding: 15px; font-size: 13px; }
  .decision-heading { display: block; min-height: 122px; }
  .human-note { margin-top: 8px; }
  .decision-panel::before { top: 215px; }
  .decision-content { padding-right: 14px; }
}

@media (max-width: 420px) {
  .app-header { gap: 8px; }
  .product-name { display: none; }
  .header-actions { gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}