:root {
  color-scheme: light;
  --paper: #f7f6f1;
  --ink: #20231f;
  --muted: #777a70;
  --line: #ddd9cf;
  --soft: #eeece4;
  --accent: #2d322c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", sans-serif;
  line-height: 1.8;
  letter-spacing: 0;
}

.page {
  width: min(720px, calc(100% - 40px));
  margin: 0 auto;
  padding: 56px 0 80px;
}

.hero {
  min-height: 48vh;
  display: grid;
  align-content: center;
  border-bottom: 1px solid var(--line);
  margin-bottom: 44px;
}

.hero.compact {
  min-height: 32vh;
}

.hero-app {
  grid-template-columns: minmax(0, 1fr) minmax(220px, 300px);
  gap: 36px;
  align-items: center;
  align-content: center;
}

.hero-copy {
  min-width: 0;
}

.phone-shot {
  margin: 0;
  justify-self: end;
  width: min(100%, 280px);
}

.phone-shot img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 34px;
  box-shadow: 0 24px 70px rgba(32, 35, 31, 0.16);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 13px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 20px;
  font-size: clamp(42px, 9vw, 72px);
  line-height: 1.08;
  font-weight: 700;
}

h2 {
  margin-bottom: 18px;
  font-size: 22px;
  line-height: 1.4;
}

h3 {
  margin-bottom: 6px;
  font-size: 16px;
}

.lead {
  max-width: 34em;
  color: var(--muted);
  font-size: 18px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.actions a {
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  padding: 9px 16px;
  text-decoration: none;
}

.actions a:focus,
.actions a:hover {
  background: var(--soft);
}

.section {
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 22px;
}

.feature-grid h2 {
  grid-column: 1 / -1;
}

.feature-grid article {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.keyword-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 24px;
  padding-left: 1.1em;
}

.section p:last-child,
.qa p:last-child,
.section ul:last-child {
  margin-bottom: 0;
}

.qa {
  padding: 18px 0;
}

.qa + .qa {
  border-top: 1px solid var(--line);
}

ul {
  padding-left: 1.3em;
}

.note {
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 520px) {
  .page {
    width: min(100% - 28px, 720px);
    padding-top: 32px;
  }

  .hero {
    min-height: 42vh;
  }

  .hero-app {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .phone-shot {
    justify-self: center;
    width: min(74vw, 240px);
  }

  .feature-grid,
  .keyword-list {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: clamp(38px, 14vw, 58px);
  }
}