:root {
  --bg: #eef1f6;
  --bg-soft: #e3e8f0;
  --card: #ffffff;
  --ink: #0e1526;
  --ink-soft: #2c3850;
  --muted: #5d6b82;
  --border: #d3dae6;
  --accent: #2f5bea;
  --accent-dark: #1e44c4;
  --accent-soft: #e8edfd;
  --teal: #0e9f8a;
  --teal-soft: #e2f6f2;
  --green: #128a52;
  --green-soft: #e3f5ec;
  --red: #c9372c;
  --red-soft: #fdecea;
  --yellow-soft: #fff3d1;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 8px 24px rgba(14, 21, 38, 0.08);
  --shadow-sm: 0 2px 8px rgba(14, 21, 38, 0.06);
  --font: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", Meiryo,
    system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

.site-body {
  background: var(--bg);
}

img {
  max-width: 100%;
}

a {
  color: inherit;
}

h1,
h2,
h3,
h4 {
  line-height: 1.35;
  margin: 0 0 0.5em;
  font-weight: 800;
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 0.9em;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.container-narrow {
  width: min(820px, 92%);
}

.muted {
  color: var(--muted);
  font-size: 0.9rem;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  padding: 0.7em 1.4em;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
  font-family: inherit;
  line-height: 1.3;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 0 var(--accent-dark);
}

.btn-primary:hover {
  background: var(--accent-dark);
}

.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--border);
}

.btn-outline:hover {
  border-color: var(--ink);
}

.btn-ghost {
  background: transparent;
  color: var(--ink-soft);
  border-color: transparent;
}

.btn-ghost:hover {
  color: var(--ink);
  border-color: var(--border);
}

.btn-lg {
  padding: 0.85em 1.9em;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 0.4em 0.95em;
  font-size: 0.82rem;
}

.btn-block {
  display: block;
  width: 100%;
  text-align: center;
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #fff;
  border-bottom: 1px solid var(--border);
}

.header-inner {
  width: min(1180px, 94%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  min-height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 900;
  font-size: 1.2rem;
  text-decoration: none;
  letter-spacing: 0.04em;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  background: var(--accent);
  color: #fff;
  border-radius: 7px;
  font-size: 1rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  margin-left: auto;
  font-size: 0.9rem;
  font-weight: 600;
}

.site-nav a {
  text-decoration: none;
  color: var(--ink-soft);
  padding: 0.4em 0.75em;
  border-radius: 6px;
}

.site-nav a:hover {
  color: var(--accent-dark);
  background: var(--accent-soft);
}

.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
}

/* ---------- hero ---------- */
.hero {
  padding: 4rem 0 4.5rem;
  overflow: hidden;
  background:
    linear-gradient(rgba(47, 91, 234, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 91, 234, 0.05) 1px, transparent 1px),
    #fff;
  background-size: 44px 44px, 44px 44px, auto;
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  width: min(1180px, 94%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 3rem;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  background: var(--ink);
  color: #fff;
  border-radius: 6px;
  padding: 0.25em 0.9em;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 1.2rem;
}

.hero h1 {
  font-size: clamp(2rem, 4.4vw, 3.2rem);
  letter-spacing: -0.02em;
}

.hero h1::after {
  content: "";
  display: block;
  width: 64px;
  height: 5px;
  background: var(--accent);
  border-radius: 3px;
  margin-top: 0.5rem;
}

.hero-lead {
  color: var(--ink-soft);
  font-size: 1rem;
}

.hero-lead strong {
  color: var(--accent-dark);
  font-weight: 800;
}

.hero-price {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
  margin-top: 0.4rem;
}

.price {
  font-size: 2.4rem;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.price-unit {
  font-weight: 700;
  color: var(--muted);
}

.hero-note {
  color: var(--muted);
  font-size: 0.86rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 1.3rem 0 1.1rem;
}

.hero-cta.center {
  justify-content: center;
}

.hero-points {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.1rem;
  font-size: 0.86rem;
  color: var(--ink-soft);
  font-weight: 600;
}

.hero-points.center {
  justify-content: center;
}

/* ---------- hero mock ---------- */
.hero-mock {
  display: grid;
  grid-template-columns: 1fr auto 1.05fr;
  gap: 0.8rem;
  align-items: center;
}

.doc-stack {
  display: grid;
  gap: 0.7rem;
}

.doc-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.8rem;
  box-shadow: var(--shadow-sm);
  font-size: 0.72rem;
  line-height: 1.5;
  animation: floaty 7s ease-in-out infinite;
}

.doc-card:nth-child(2) {
  animation-delay: 1.4s;
  border-left-color: var(--teal);
}

.doc-card:nth-child(3) {
  animation-delay: 2.8s;
}

.doc-card:nth-child(4) {
  animation-delay: 4.2s;
  border-left-color: var(--teal);
}

@keyframes floaty {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

.doc-head {
  display: flex;
  gap: 0.6rem;
  color: var(--muted);
  font-size: 0.66rem;
  border-bottom: 1px dashed var(--border);
  padding-bottom: 0.3rem;
  margin-bottom: 0.35rem;
}

.doc-card h4 {
  margin: 0 0 0.3rem;
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-align: center;
}

.doc-card table {
  width: 100%;
  border-collapse: collapse;
}

.doc-card th,
.doc-card td {
  border: 1px solid var(--border);
  padding: 0.15rem 0.3rem;
  text-align: left;
  font-weight: 500;
}

.doc-card th {
  background: var(--bg-soft);
  font-weight: 700;
}

.doc-stamp {
  position: absolute;
  color: var(--red);
  border: 2px solid var(--red);
  border-radius: 4px;
  padding: 0 0.3rem;
  transform: rotate(-10deg);
  font-size: 0.7rem;
  margin-top: -0.4rem;
}

.doc-mail-note {
  color: var(--muted);
  margin-bottom: 0;
}

.doc-arrow {
  display: grid;
  justify-items: center;
  gap: 0.6rem;
  color: var(--accent-dark);
  font-weight: 700;
  font-size: 0.76rem;
  text-align: center;
}

.doc-done {
  background: var(--teal-soft);
  color: var(--teal);
  border-radius: 6px;
  padding: 0.2em 0.9em;
  white-space: nowrap;
}

.doc-arrow-line {
  writing-mode: vertical-rl;
  letter-spacing: 0.15em;
}

.excel-window {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow);
  font-size: 0.7rem;
}

.excel-titlebar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--ink);
  color: #fff;
  padding: 0.4rem 0.7rem;
  font-size: 0.72rem;
}

.excel-dot {
  display: inline-grid;
  place-items: center;
  width: 16px;
  height: 16px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.2);
  font-size: 0.6rem;
}

.excel-window table {
  width: 100%;
  border-collapse: collapse;
}

.excel-window th,
.excel-window td {
  border: 1px solid #e4e9f2;
  padding: 0.22rem 0.4rem;
  text-align: left;
  white-space: nowrap;
}

.excel-window th {
  background: #f4f7fc;
  text-align: center;
  font-weight: 600;
  color: var(--ink-soft);
}

.excel-window .corner {
  width: 24px;
}

.excel-tabs {
  display: flex;
  gap: 1rem;
  border-top: 1px solid #e4e9f2;
  padding: 0.3rem 0.7rem;
  color: var(--muted);
}

.excel-tabs .is-active {
  color: var(--accent-dark);
  font-weight: 700;
  border-bottom: 2px solid var(--accent);
}

/* ---------- sections ---------- */
.section {
  padding: 4.2rem 0;
}

.section-eyebrow {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-weight: 800;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  border-radius: 4px;
  padding: 0.15em 0.7em;
  margin-bottom: 0.7rem;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
}

.section-lead {
  color: var(--muted);
  max-width: 46rem;
}

/* problems */
.problems {
  background: var(--bg-soft);
}

.problem-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.6rem;
  margin: 1.5rem 0;
}

.problem-list li {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--red);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.1rem;
  color: var(--ink-soft);
  font-weight: 600;
}

.problem-answer {
  font-size: 1.1rem;
  font-weight: 800;
}

.problem-answer strong {
  color: var(--accent-dark);
}

/* cost */
.cost-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin: 1.8rem 0;
}

.cost-card {
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid var(--border);
  background: var(--card);
}

.cost-before {
  opacity: 0.8;
}

.cost-after {
  border: 2px solid var(--accent);
  box-shadow: var(--shadow);
}

.cost-tag {
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}

.cost-after .cost-tag {
  color: var(--accent-dark);
}

.cost-amount {
  font-size: 2.1rem;
  font-weight: 900;
  color: var(--ink);
  margin: 0.3rem 0;
  letter-spacing: -0.02em;
}

.cost-sub {
  font-weight: 700;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.cost-desc {
  color: var(--muted);
  font-size: 0.86rem;
  margin-bottom: 0.4rem;
}

.cost-saving {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.8rem;
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius);
  padding: 1rem 1.4rem;
  text-align: center;
  flex-wrap: wrap;
}

.cost-saving strong {
  font-size: 1.4rem;
  color: #7ef0dc;
}

.cost-saving span {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.84rem;
}

/* how */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-top: 1.8rem;
  counter-reset: step;
}

.step-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.step-card::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  top: -0.9rem;
  right: 1rem;
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--accent-soft);
  line-height: 1;
}

.step-num {
  color: var(--accent-dark);
  font-weight: 800;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
}

.step-card h3 {
  margin-top: 0.35rem;
}

.step-icon {
  font-size: 1.7rem;
  margin-top: 0.5rem;
}

/* demo */
.demo {
  background: var(--bg-soft);
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-top: 1.8rem;
}

.demo-panel h4 {
  margin-top: 0.35rem;
}

.demo-step {
  color: var(--accent-dark);
  font-weight: 800;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
}

.screen {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem;
  box-shadow: var(--shadow-sm);
  font-size: 0.78rem;
  min-height: 250px;
  display: grid;
  gap: 0.6rem;
  align-content: start;
}

.screen-title {
  font-size: 0.72rem;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.4rem;
  font-family: var(--mono);
}

.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 1.1rem;
  text-align: center;
  color: var(--muted);
  display: grid;
  gap: 0.3rem;
  background: var(--bg);
}

.dropzone span:first-child {
  font-size: 1.5rem;
}

.screen-file {
  background: var(--teal-soft);
  color: var(--teal);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.7rem;
  font-weight: 700;
}

.screen-label {
  font-weight: 700;
  font-size: 0.72rem;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.chips span {
  background: var(--accent-soft);
  border: 1px solid rgba(47, 91, 234, 0.25);
  color: var(--accent-dark);
  border-radius: 4px;
  padding: 0.1em 0.65em;
  font-size: 0.72rem;
  font-weight: 700;
}

.screen-btn {
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-sm);
  text-align: center;
  padding: 0.5rem;
  font-weight: 700;
}

.mini-doc {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
}

.mini-doc-title {
  text-align: center;
  font-weight: 800;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  margin-bottom: 0.3rem;
}

.mini-doc table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.68rem;
}

.mini-doc td {
  border: 1px solid var(--border);
  padding: 0.1rem 0.3rem;
}

.mini-hand {
  transform: rotate(-1.5deg);
}

.screen-loading {
  text-align: center;
  color: var(--accent-dark);
  font-weight: 700;
  animation: pulse 1.4s ease-in-out infinite;
  font-family: var(--mono);
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.45;
  }
  50% {
    opacity: 1;
  }
}

.screen-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.7rem;
}

.screen-table th,
.screen-table td {
  border: 1px solid var(--border);
  padding: 0.15rem 0.35rem;
  text-align: left;
}

.screen-table th {
  background: var(--bg-soft);
}

.screen-hint {
  color: var(--muted);
  font-size: 0.72rem;
  margin: 0;
}

/* features */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.8rem;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 1.2rem;
}

.feature-card:nth-child(3n + 2) {
  border-top-color: var(--teal);
}

.feature-card h3 {
  font-size: 1rem;
}

.feature-card p {
  color: var(--muted);
  font-size: 0.86rem;
  margin: 0;
}

/* voices */
.voices {
  background: var(--bg-soft);
}

.voice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-top: 1.8rem;
}

.voice-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  margin: 0;
  box-shadow: var(--shadow-sm);
}

.stars {
  color: #f0a500;
  letter-spacing: 0.18em;
}

.voice-card h3 {
  font-size: 1.02rem;
  margin-top: 0.4rem;
}

.voice-card blockquote {
  margin: 0 0 0.9rem;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.voice-person {
  display: block;
  font-weight: 700;
}

.voice-company {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
}

/* pricing */
.pricing-points {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.6rem;
  margin: 1.5rem 0 1.9rem;
}

.pricing-points li {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.1rem;
  font-size: 0.9rem;
}

.pricing-points strong {
  color: var(--accent-dark);
}

.pricing-card {
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius);
  padding: 2.1rem;
  max-width: 540px;
  box-shadow: var(--shadow);
}

.pricing-plan {
  background: var(--teal);
  color: #fff;
  font-weight: 800;
  border-radius: 4px;
  padding: 0.2em 0.9em;
  font-size: 0.82rem;
}

.pricing-amount {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
  margin: 0.8rem 0 0.2rem;
}

.pricing-card .price {
  color: #fff;
}

.pricing-card .price-unit {
  color: rgba(255, 255, 255, 0.6);
}

.pricing-note {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.86rem;
}

.pricing-features {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.5rem;
  margin: 1.2rem 0 1.6rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.92);
}

.pricing-card .btn-primary {
  background: var(--accent);
  border-color: var(--accent);
}

.pricing-small {
  text-align: center;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.84rem;
  margin: 0.6rem 0 0;
}

.pricing-notes {
  margin-top: 1.9rem;
  color: var(--muted);
  font-size: 0.86rem;
}

.pricing-notes strong {
  color: var(--ink);
}

.pricing-why {
  background: var(--bg-soft);
  border-radius: var(--radius-sm);
  padding: 1.1rem 1.3rem;
  margin-top: 1.3rem;
}

.pricing-why h3 {
  font-size: 1rem;
}

.pricing-why p {
  margin: 0;
}

/* faq */
.faq-list {
  display: grid;
  gap: 0.6rem;
  margin-top: 1.8rem;
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.15rem 1.2rem;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  padding: 0.85rem 0;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::before {
  content: "Q";
  display: inline-grid;
  place-items: center;
  width: 1.5em;
  height: 1.5em;
  margin-right: 0.6em;
  background: var(--accent);
  color: #fff;
  border-radius: 4px;
  font-size: 0.8em;
}

.faq-item[open] summary {
  border-bottom: 1px solid var(--border);
}

.faq-body {
  padding: 0.7rem 0 0.9rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.faq-body p:last-child {
  margin-bottom: 0;
}

/* final cta + contact */
.final-cta {
  text-align: center;
  background: #fff;
  border-top: 1px solid var(--border);
}

.final-note {
  color: var(--muted);
  font-size: 0.88rem;
}

.contact {
  background: var(--bg-soft);
}

.contact-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  margin-top: 1.3rem;
}

.field {
  display: grid;
  gap: 0.3rem;
  margin-bottom: 1rem;
}

.field label {
  font-weight: 700;
  font-size: 0.88rem;
}

.required {
  background: var(--red-soft);
  color: var(--red);
  font-size: 0.68rem;
  border-radius: 3px;
  padding: 0.05em 0.5em;
  margin-left: 0.4rem;
  font-weight: 700;
}

.field input,
.field select,
.field textarea {
  font-family: inherit;
  font-size: 0.95rem;
  padding: 0.6rem 0.8rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--ink);
  width: 100%;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 3px solid rgba(47, 91, 234, 0.18);
  border-color: var(--accent);
}

.contact-success {
  background: var(--teal-soft);
  border: 1px solid rgba(14, 159, 138, 0.35);
  color: #0a6e60;
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem;
  font-weight: 700;
  margin-top: 1rem;
}

.contact-success p:last-child {
  margin-bottom: 0;
}

.contact-error {
  background: var(--red-soft);
  border: 1px solid rgba(201, 55, 44, 0.3);
  color: #8f241c;
  border-radius: var(--radius-sm);
  padding: 0.8rem 1.1rem;
  font-weight: 600;
  margin: 0.8rem 0 1rem;
  font-size: 0.9rem;
}

/* guides */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.8rem;
}

.guide-card {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.2rem;
  text-decoration: none;
  transition: border-color 0.12s ease, transform 0.12s ease;
}

.guide-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.guide-card h3 {
  font-size: 0.95rem;
}

.guide-card p {
  color: var(--muted);
  font-size: 0.84rem;
}

.guide-more {
  color: var(--accent-dark);
  font-weight: 700;
  font-size: 0.84rem;
}

/* footer */
.site-footer {
  background: #fff;
  border-top: 1px solid var(--border);
  color: var(--ink-soft);
  padding: 3rem 0 1.4rem;
}

.footer-inner {
  width: min(1120px, 92%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.8fr 2.2fr;
  gap: 2.4rem;
}

.footer-brand p {
  color: var(--muted);
  font-size: 0.86rem;
  margin-top: 0.8rem;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.4rem;
}

.footer-col {
  display: grid;
  gap: 0.4rem;
  align-content: start;
}

.footer-col h4 {
  color: var(--ink);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  margin-bottom: 0.2rem;
}

.footer-col a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.8rem;
}

.footer-col a:hover {
  color: var(--accent-dark);
}

.footer-bottom {
  width: min(1120px, 92%);
  margin: 2.2rem auto 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-bottom a {
  color: var(--muted);
}

/* ---------- article / info pages ---------- */
.article-main {
  padding: 3.2rem 0 4.5rem;
  min-height: 60vh;
}

.article-title {
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  margin-top: 0.4rem;
}

.article-subtitle {
  margin-top: 1.9rem;
  border-left: 4px solid var(--accent);
  padding-left: 0.8rem;
}

.article-lead {
  font-size: 1rem;
  color: var(--ink-soft);
}

.article-body {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-top: 1.3rem;
}

.article-cta {
  display: flex;
  gap: 0.7rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.article-meta {
  color: var(--muted);
  font-size: 0.84rem;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.info-table th,
.info-table td {
  border: 1px solid var(--border);
  padding: 0.75rem 1rem;
  text-align: left;
  vertical-align: top;
  font-size: 0.9rem;
}

.info-table th {
  background: var(--bg-soft);
  width: 30%;
  white-space: nowrap;
}

/* ---------- error page ---------- */
.error-body {
  background: var(--bg);
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.error-main {
  width: min(560px, 92%);
  text-align: center;
}

.error-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-top: 5px solid var(--accent);
  border-radius: var(--radius);
  padding: 3rem 2rem;
  box-shadow: var(--shadow);
}

.error-code {
  font-size: 3.2rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
}

/* ---------- auth ---------- */
.auth-body {
  background: var(--bg-soft);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.auth-header {
  width: min(1120px, 92%);
  margin: 0 auto;
  padding: 1.1rem 0;
}

.auth-main {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 1rem 1rem 3rem;
}

.auth-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-top: 5px solid var(--accent);
  border-radius: var(--radius);
  padding: 2rem;
  width: min(440px, 100%);
  box-shadow: var(--shadow);
}

.auth-card h1 {
  font-size: 1.5rem;
}

.auth-sub {
  color: var(--muted);
  font-size: 0.88rem;
}

.auth-switch {
  text-align: center;
  font-size: 0.86rem;
  margin: 1.1rem 0 0;
}

.auth-switch a {
  color: var(--accent-dark);
  font-weight: 700;
}

.auth-back {
  text-align: center;
  margin-top: 1.1rem;
  font-size: 0.84rem;
}

.auth-back a {
  color: var(--muted);
  text-decoration: none;
}

/* ---------- app shell ---------- */
.app-body {
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: #fff;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1.4rem;
  padding: 0 1.4rem;
  min-height: 60px;
  flex-wrap: wrap;
}

.app-nav {
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
}

.app-nav-link {
  text-decoration: none;
  color: var(--ink-soft);
  font-weight: 700;
  font-size: 0.88rem;
  padding: 0.4em 0.85em;
  border-radius: 6px;
}

.app-nav-link:hover {
  background: var(--bg-soft);
}

.app-nav-link.is-active {
  background: var(--accent);
  color: #fff;
}

.app-user {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.app-user-name {
  font-weight: 700;
  font-size: 0.86rem;
}

.app-main {
  flex: 1;
  width: min(1160px, 94%);
  margin: 0 auto;
  padding: 1.9rem 0 3.5rem;
}

.app-footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.76rem;
  padding: 1.4rem 0 1.8rem;
}

.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.page-head h1 {
  font-size: 1.6rem;
  margin-bottom: 0.1rem;
}

.page-sub {
  color: var(--muted);
  font-size: 0.88rem;
  margin: 0;
}

.head-actions {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.back-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.84rem;
}

/* flash */
.flash {
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.1rem;
  font-weight: 700;
  font-size: 0.88rem;
  margin-bottom: 1.1rem;
}

.flash-success {
  background: var(--teal-soft);
  color: #0a6e60;
  border: 1px solid rgba(14, 159, 138, 0.35);
}

.flash-error {
  background: var(--red-soft);
  color: #8f241c;
  border: 1px solid rgba(201, 55, 44, 0.3);
}

/* dashboard */
.stat-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.3rem;
  box-shadow: var(--shadow-sm);
}

.stat-card h3 {
  margin: 0;
  font-size: 1.02rem;
}

.usage-card {
  display: flex;
  align-items: center;
  gap: 1.3rem;
}

.usage-ring {
  --pct: 0;
  width: 108px;
  height: 108px;
  border-radius: 50%;
  background: conic-gradient(var(--accent) calc(var(--pct) * 1%), #dfe5ef 0);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.usage-ring-inner {
  width: 82px;
  height: 82px;
  border-radius: 50%;
  background: var(--card);
  display: grid;
  place-items: center;
  line-height: 1.2;
}

.usage-ring-inner strong {
  font-size: 1.4rem;
}

.usage-ring-inner span {
  font-size: 0.68rem;
  color: var(--muted);
}

.stat-link {
  color: var(--accent-dark);
  font-weight: 700;
  font-size: 0.86rem;
  text-decoration: none;
}

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.3rem;
  border-bottom: 1px solid var(--border);
}

.panel-head h2 {
  margin: 0;
  font-size: 1.05rem;
}

.empty-inline {
  padding: 1.8rem 1.3rem;
  text-align: center;
}

.empty-actions {
  display: flex;
  gap: 0.7rem;
  justify-content: center;
  flex-wrap: wrap;
}

.empty-state {
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 2.6rem 1.5rem;
  text-align: center;
}

.empty-icon {
  font-size: 2.4rem;
  margin: 0;
}

/* tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.data-table th,
.data-table td {
  padding: 0.7rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table th {
  background: var(--bg-soft);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.table-link {
  font-weight: 700;
  text-decoration: none;
  color: var(--ink);
}

.table-link:hover {
  color: var(--accent-dark);
}

.row-actions {
  display: flex;
  gap: 0.35rem;
  align-items: center;
}

.status {
  display: inline-block;
  border-radius: 4px;
  padding: 0.12em 0.7em;
  font-size: 0.76rem;
  font-weight: 700;
}

.status-pending {
  background: var(--yellow-soft);
  color: #7a5c10;
}

.status-processing {
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.status-done {
  background: var(--teal-soft);
  color: var(--teal);
}

.status-error {
  background: var(--red-soft);
  color: var(--red);
}

/* convert */
.convert-form {
  padding: 1.5rem;
  max-width: 700px;
}

.form-hint {
  color: var(--muted);
  font-size: 0.8rem;
}

/* templates */
.template-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.1rem;
  margin-top: 1.3rem;
}

.template-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.3rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.1rem;
}

.upload-card {
  max-width: 700px;
}

.upload-card h2 {
  font-size: 1.05rem;
}

.template-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.8rem;
}

.template-head h3 {
  margin-bottom: 0.1rem;
}

.template-label {
  font-weight: 700;
  font-size: 0.8rem;
  margin: 0.85rem 0 0.4rem;
}

.sample-wrap {
  overflow-x: auto;
  margin: 0.85rem 0;
}

.sample-table {
  border-collapse: collapse;
  font-size: 0.76rem;
  min-width: 100%;
}

.sample-table th,
.sample-table td {
  border: 1px solid var(--border);
  padding: 0.28rem 0.6rem;
  text-align: left;
  white-space: nowrap;
}

.sample-table th {
  background: var(--bg-soft);
}

.instructions-form {
  display: grid;
  gap: 0.45rem;
}

.instructions-form label {
  font-weight: 700;
  font-size: 0.8rem;
}

.instructions-form textarea {
  font-family: inherit;
  font-size: 0.86rem;
  padding: 0.55rem 0.75rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  resize: vertical;
}

.file-drop {
  border: 2px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 1.3rem;
  margin-bottom: 1rem;
  background: var(--bg);
}

.file-drop-hint {
  color: var(--muted);
  font-size: 0.8rem;
  margin: 0.6rem 0 0;
}

/* job detail */
.job-status-line {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.3rem;
  border-bottom: 1px solid var(--border);
}

.processing {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.3rem;
  color: var(--ink-soft);
  font-weight: 600;
}

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
  flex-shrink: 0;
}

.spinner-sm {
  width: 15px;
  height: 15px;
  border-width: 2px;
  display: inline-block;
}

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

.job-error {
  padding: 1.1rem 1.3rem;
  background: var(--red-soft);
  color: #7a221a;
}

.job-error pre {
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.8rem;
  background: rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-sm);
  padding: 0.8rem;
  font-family: var(--mono);
}

.preview-wrap {
  overflow-x: auto;
}

.detail-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1.3rem;
  flex-wrap: wrap;
}

/* review */
.review-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.4fr);
  gap: 1.3rem;
  align-items: start;
}

.review-source {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  position: sticky;
  top: 76px;
}

.review-source h2 {
  font-size: 0.92rem;
  color: var(--muted);
}

.source-image {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.source-pdf {
  width: 100%;
  height: 540px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.source-text {
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 1rem;
  font-size: 0.84rem;
  max-height: 540px;
  overflow: auto;
  font-family: var(--mono);
}

.review-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
  box-shadow: var(--shadow-sm);
}

.review-hint {
  color: var(--accent-dark);
  font-weight: 700;
  font-size: 0.86rem;
}

.review-table-wrap {
  overflow-x: auto;
}

.review-table {
  border-collapse: collapse;
  width: 100%;
  min-width: 520px;
}

.review-table th {
  background: var(--bg-soft);
  font-size: 0.78rem;
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--border);
  white-space: nowrap;
  text-align: left;
}

.review-table td {
  border: 1px solid var(--border);
  padding: 0.15rem;
}

.review-table input {
  width: 100%;
  border: none;
  background: transparent;
  font-family: inherit;
  font-size: 0.86rem;
  padding: 0.38rem 0.5rem;
}

.review-table input:focus {
  outline: 3px solid rgba(47, 91, 234, 0.18);
  border-radius: 4px;
  background: #fff;
}

.row-num {
  background: var(--bg-soft);
  color: var(--muted);
  font-size: 0.74rem;
  text-align: center;
  width: 36px;
}

.blank-row {
  opacity: 0.5;
}

.review-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

/* ---------- responsive ---------- */
@media (max-width: 1020px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .guide-grid,
  .voice-grid,
  .steps,
  .demo-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .review-layout {
    grid-template-columns: 1fr;
  }

  .review-source {
    position: static;
  }
}

@media (max-width: 720px) {
  .site-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 1.5rem 1.4rem;
    gap: 0.3rem;
  }

  .site-nav.is-open {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav .nav-login,
  .site-nav .btn {
    margin-top: 0.4rem;
  }

  .header-inner {
    position: relative;
    flex-wrap: nowrap;
  }

  .cost-grid,
  .feature-grid,
  .guide-grid,
  .voice-grid,
  .steps,
  .demo-grid,
  .template-grid,
  .stat-grid {
    grid-template-columns: 1fr;
  }

  .footer-cols {
    grid-template-columns: 1fr 1fr;
  }

  .hero-mock {
    grid-template-columns: 1fr;
  }

  .doc-arrow-line {
    writing-mode: horizontal-tb;
  }

  .usage-card {
    flex-direction: column;
    text-align: center;
  }

  .app-header {
    padding: 0.6rem 1rem;
  }

  .app-user-name {
    display: none;
  }
}

/* ---------- trust strip ---------- */
.trust-strip {
  background: var(--ink);
  color: #fff;
  padding: 1.1rem 0;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}

.trust-item {
  display: grid;
  gap: 0.1rem;
}

.trust-item strong {
  font-size: 0.9rem;
}

.trust-item span {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.78rem;
}

/* ---------- hero visual ---------- */
.preview-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.preview-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
}

.preview-file {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
}

.preview-badge {
  background: var(--teal-soft);
  color: var(--teal);
  border-radius: 6px;
  padding: 0.15em 0.7em;
  font-size: 0.74rem;
  font-weight: 700;
  white-space: nowrap;
}

.preview-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1.15fr);
  gap: 0.7rem;
  padding: 1rem;
  align-items: center;
}

.preview-label {
  font-size: 0.7rem;
  color: var(--muted);
  font-weight: 700;
  margin: 0 0 0.35rem;
}

.preview-arrow {
  color: var(--accent);
  font-size: 1.5rem;
  font-weight: 900;
}

.preview-doc,
.preview-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.68rem;
}

.preview-doc th,
.preview-doc td,
.preview-table th,
.preview-table td {
  border: 1px solid var(--border);
  padding: 0.22rem 0.4rem;
  text-align: left;
  white-space: nowrap;
}

.preview-doc th,
.preview-table th {
  background: var(--bg-soft);
  font-weight: 700;
}

.preview-table td:first-child {
  color: var(--accent-dark);
  font-weight: 700;
}

.preview-foot {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  flex-wrap: wrap;
  padding: 0.65rem 1rem 0.8rem;
  border-top: 1px dashed var(--border);
  font-size: 0.74rem;
  color: var(--muted);
}

.preview-done {
  color: var(--teal);
  font-weight: 700;
}

/* ---------- demo rows ---------- */
.demo-rows {
  display: grid;
  gap: 2.4rem;
  margin-top: 2rem;
}

.demo-row {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 1.8rem;
  align-items: center;
}

.demo-row.reverse .demo-copy {
  order: 2;
}

.demo-row.reverse .demo-screen {
  order: 1;
}

.demo-copy h4 {
  font-size: 1.15rem;
  margin: 0.4rem 0 0.5rem;
}

.demo-copy p {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0;
}

.demo-screen .screen {
  min-height: 0;
}

/* ---------- featured testimonial ---------- */
.voice-featured {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 5px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.8rem 2rem 1.5rem;
  box-shadow: var(--shadow-sm);
  margin: 2rem 0 1.2rem;
}

.voice-quote-mark {
  position: absolute;
  top: 0.2rem;
  left: 1rem;
  font-size: 3.2rem;
  line-height: 1;
  font-weight: 900;
  color: var(--accent-soft);
}

.voice-featured blockquote {
  position: relative;
  margin: 0 0 1rem;
  font-size: 1.08rem;
  color: var(--ink);
}

.voice-stat {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-weight: 800;
  border-radius: 6px;
  padding: 0.25em 0.9em;
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

@media (max-width: 1020px) {
  .trust-grid {
    grid-template-columns: 1fr 1fr;
  }

  .demo-row,
  .demo-row.reverse {
    grid-template-columns: 1fr;
  }

  .demo-row.reverse .demo-copy {
    order: 1;
  }

  .demo-row.reverse .demo-screen {
    order: 2;
  }
}

@media (max-width: 720px) {
  .trust-grid {
    grid-template-columns: 1fr;
  }

  .preview-body {
    grid-template-columns: 1fr;
  }

  .preview-arrow {
    text-align: center;
  }
}