:root {
  color-scheme: light;
  font-family: "Segoe UI", "Yu Gothic UI", "Noto Sans", sans-serif;
  color: #202124;
  background: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #ffffff;
}

a {
  color: #174ea6;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header,
footer {
  display: flex;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.site-header {
  min-height: 72px;
}

nav {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 14px;
  font-weight: 650;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #202124;
  font-size: 18px;
  font-weight: 750;
}

.brand img {
  width: 40px;
  height: 40px;
}

.hero,
.support-hero {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  display: grid;
  min-height: calc(100vh - 128px);
  padding: 48px 0 44px;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 560px);
  gap: 44px;
  align-items: center;
}

.support-hero {
  max-width: 800px;
  padding: 72px 0 56px;
}

.eyebrow {
  margin: 0 0 12px;
  color: #1d4f91;
  font-size: 13px;
  font-weight: 750;
  text-transform: uppercase;
}

h1,
h2,
h3,
p,
li,
summary,
a {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: 58px;
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 20px;
  font-size: 28px;
  line-height: 1.2;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.25;
  letter-spacing: 0;
}

.lead {
  max-width: 670px;
  margin: 20px 0 0;
  color: #4b5563;
  font-size: 20px;
  line-height: 1.55;
}

.actions {
  display: flex;
  margin-top: 28px;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  min-height: 44px;
  padding: 11px 18px;
  border-radius: 7px;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  background: #1a73e8;
  font-weight: 750;
}

.button:hover {
  background: #1558b0;
  text-decoration: none;
}

.text-link {
  font-weight: 650;
}

.product-preview {
  padding: 18px;
  border: 1px solid #d7e3f4;
  border-radius: 8px;
  background: #f8fbff;
  box-shadow: 0 18px 46px rgba(60, 64, 67, .12);
}

.sheet-window {
  overflow: hidden;
  border: 1px solid #c7d7ef;
  border-radius: 8px;
  background: #ffffff;
}

.window-bar {
  display: flex;
  height: 38px;
  padding: 0 14px;
  align-items: center;
  gap: 7px;
  background: #edf4ff;
}

.window-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #8ab4f8;
}

.sheet-grid {
  display: grid;
  padding: 18px;
  grid-template-columns: repeat(4, minmax(70px, 1fr));
}

.cell {
  min-height: 54px;
  border-right: 1px solid #d7dde8;
  border-bottom: 1px solid #d7dde8;
  padding: 15px 10px;
  color: #27303f;
  background: #ffffff;
  font-size: 14px;
  font-weight: 650;
  text-align: right;
}

.cell.head {
  color: #174ea6;
  background: #dbeafe;
  text-align: center;
}

.cell.row-head {
  color: #374151;
  background: #f3f6fb;
  text-align: left;
}

.cell.number {
  font-variant-numeric: tabular-nums;
}

.cell.accent-green {
  color: #0d652d;
  background: #dff7e9;
}

.cell.accent-blue {
  color: #174ea6;
  background: #e8f0fe;
}

.cell.accent-yellow {
  color: #8a4b00;
  background: #fff3cd;
}

.cell.badge-green,
.cell.badge-blue,
.cell.badge-yellow {
  text-align: center;
}

.cell.badge-green {
  color: #0d652d;
  background: #c8f0d6;
}

.cell.badge-blue {
  color: #174ea6;
  background: #d2e3fc;
}

.cell.badge-yellow {
  color: #8a4b00;
  background: #ffe8a3;
}

.cell.selected {
  outline: 2px solid #188038;
  outline-offset: -2px;
}

.preview-note {
  margin: 12px 2px 0;
  color: #4b5563;
  font-size: 13px;
  line-height: 1.5;
}

.content-band {
  background: #f7f9fc;
}

.section-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0;
}

.feature-grid,
.support-grid,
.scenario-grid,
.info-grid,
.step-list {
  display: grid;
  gap: 18px;
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.support-grid,
.scenario-grid,
.info-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.split-section {
  display: grid;
  grid-template-columns: minmax(220px, 320px) minmax(0, 1fr);
  gap: 38px;
  align-items: start;
}

.step-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

article,
details,
.source-table,
.privacy-note {
  min-width: 0;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  background: #ffffff;
}

article {
  padding: 22px;
}

.highlight-card {
  border-color: #c7d7ef;
  background: #f8fbff;
}

article p,
li,
details p,
.source-row div,
.privacy-note p {
  color: #4b5563;
  font-size: 15px;
  line-height: 1.6;
}

article p,
details p,
.privacy-note p {
  margin: 0;
}

ul {
  margin: 0;
  padding-left: 20px;
}

li + li {
  margin-top: 8px;
}

.step-number {
  display: inline-flex;
  width: 30px;
  height: 30px;
  margin-bottom: 14px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  background: #1a73e8;
  font-weight: 750;
}

.source-table {
  overflow: hidden;
}

.source-row {
  display: grid;
  grid-template-columns: 160px minmax(0, 1.2fr) minmax(0, 1fr);
}

.source-row + .source-row {
  border-top: 1px solid #e5e7eb;
}

.source-row div {
  padding: 14px 16px;
}

.source-row div + div {
  border-left: 1px solid #e5e7eb;
}

.source-head div {
  color: #174ea6;
  background: #e8f0fe;
  font-weight: 750;
}

.faq-section {
  max-width: 860px;
}

details {
  padding: 18px 20px;
}

details + details {
  margin-top: 12px;
}

summary {
  color: #202124;
  cursor: pointer;
  font-size: 17px;
  font-weight: 750;
}

details p {
  margin-top: 12px;
}

.privacy-note {
  padding: 28px;
}

.privacy-note .text-link {
  display: inline-block;
  margin-top: 14px;
}

footer {
  min-height: 76px;
  color: #5f6368;
  font-size: 14px;
}

@media (max-width: 900px) {
  .hero {
    min-height: auto;
    padding-top: 36px;
    grid-template-columns: 1fr;
  }

  .split-section {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .support-grid,
  .scenario-grid,
  .info-grid,
  .step-list {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 44px;
  }

  .lead {
    font-size: 18px;
  }
}

@media (max-width: 620px) {
  .site-header,
  footer {
    width: min(100% - 24px, 1120px);
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }

  .site-header {
    padding: 14px 0;
  }

  .hero,
  .support-hero,
  .section-inner {
    width: min(100% - 24px, 1120px);
  }

  h1 {
    font-size: 36px;
  }

  .product-preview {
    padding: 10px;
  }

  .sheet-grid {
    overflow-x: auto;
    padding: 10px;
    grid-template-columns: 78px 86px 82px 86px;
  }

  .cell {
    min-height: 46px;
    padding: 12px 6px;
    font-size: 12px;
  }

  .source-row {
    grid-template-columns: 1fr;
  }

  .source-row div + div {
    border-left: 0;
    border-top: 1px solid #e5e7eb;
  }
}