:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --text: #07142b;
  --muted: #617086;
  --line: #d8e2ee;
  --blue: #18aee7;
  --blue-dark: #0e80ad;
  --green: #08a95b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background: #fff;
  font-family: "Inter", "Yu Gothic", "Meiryo", system-ui, sans-serif;
  font-size: 14px;
}

a { color: inherit; text-decoration: none; }

.top-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 0 42px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.brand {
  font-size: 28px;
  font-weight: 900;
  white-space: nowrap;
}

.top-header nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-weight: 800;
}

.nav-action,
.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  font-weight: 900;
}

.nav-action {
  min-height: 38px;
  padding: 0 20px;
  background: #0975ea;
  color: #fff;
  box-shadow: 0 8px 18px rgba(9, 117, 234, .22);
}

main {
  width: 100%;
  margin: 0;
  padding: 0 0 34px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 560px);
  gap: 24px;
  align-items: center;
  min-height: 520px;
  padding: 54px max(42px, calc((100vw - 1220px) / 2)) 42px;
  background:
    radial-gradient(circle at 78% 42%, rgba(24, 174, 231, .16), transparent 32%),
    linear-gradient(180deg, #f8fbff 0%, #ffffff 82%);
  border-bottom: 1px solid var(--line);
}

.hero-copy {
  display: grid;
  align-content: center;
  min-height: 360px;
  padding: 0;
}

.hero-copy h1 {
  max-width: 690px;
  margin: 0 0 22px;
  font-size: clamp(44px, 5vw, 66px);
  line-height: 1.32;
  letter-spacing: 0;
}

.hero-copy h1 span {
  color: #0975ea;
}

.hero-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.primary-action,
.secondary-action {
  min-height: 56px;
  min-width: 210px;
  padding: 0 28px;
  font-size: 18px;
}

.primary-action {
  background: #0975ea;
  color: #fff;
  box-shadow: 0 12px 28px rgba(9, 117, 234, .22);
}

.secondary-action {
  border: 1px solid #0975ea;
  background: #fff;
  color: #0975ea;
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 400px;
}

.hero-visual img {
  display: block;
  width: min(100%, 620px);
  height: auto;
  filter: drop-shadow(0 24px 34px rgba(20, 52, 92, .12));
}

.can-do {
  width: min(1120px, calc(100% - 40px));
  margin: 34px auto 0;
  padding: 24px 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 14px 32px rgba(16, 35, 64, .08);
}

.can-do h2 {
  margin: 0 0 22px;
  text-align: center;
  font-size: 28px;
}

.can-do-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.can-do article {
  display: grid;
  grid-template-columns: 76px 1fr;
  grid-template-rows: auto auto;
  gap: 18px;
  align-items: center;
  padding: 8px 24px;
  border-right: 1px solid var(--line);
}

.can-do article:last-child {
  border-right: 0;
}

.feature-icon {
  display: grid;
  place-items: center;
  grid-row: 1 / span 2;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: #f0f5fb;
  color: #0975ea;
}

.feature-icon svg {
  width: 34px;
  height: 34px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.can-do h3 {
  grid-column: 2;
  margin: 0 0 8px;
  font-size: 17px;
}

.can-do p {
  grid-column: 2;
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

@media (max-width: 900px) {
  .top-header {
    padding: 0 16px;
  }

  .hero,
  .can-do-list {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding: 38px 22px 30px;
  }

  .hero-copy {
    min-height: auto;
  }

  .hero-copy h1 {
    font-size: 40px;
  }

  .hero-visual {
    min-height: 260px;
  }

  .can-do article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 18px 4px;
  }

  .can-do article:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 520px) {
  .brand { font-size: 24px; }
  .top-header nav { gap: 12px; font-size: 13px; }
  .primary-action, .secondary-action { width: 100%; }
  .hero-copy h1 { font-size: 32px; }
  .hero-copy p { font-size: 16px; }
  .hero-visual { min-height: 210px; }
  .can-do { width: min(100% - 24px, 1120px); padding: 20px; }
  .can-do article { grid-template-columns: 58px 1fr; gap: 14px; }
  .feature-icon { width: 56px; height: 56px; }
  .feature-icon svg { width: 28px; height: 28px; }
}