:root {
  --ink: #1a1f2e;
  --card: rgba(255, 255, 255, 0.82);
  --line: rgba(30, 43, 79, 0.14);
  --bg-a: #e8f1ff;
  --bg-b: #e6fbff;
  --bg-c: #eef0fb;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: Helvetica, Arial, sans-serif;
  color: var(--ink);
  line-height: 1.55;
  background:
    radial-gradient(circle at 10% 0%, rgba(46, 104, 191, 0.18), transparent 36%),
    radial-gradient(circle at 90% 4%, rgba(24, 152, 185, 0.16), transparent 40%),
    radial-gradient(circle at 52% 100%, rgba(86, 120, 194, 0.12), transparent 42%),
    linear-gradient(162deg, var(--bg-a), var(--bg-b) 48%, var(--bg-c));
  min-height: 100dvh;
}

.page {
  width: min(840px, 92vw);
  margin: 1.5rem auto 2.4rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.1rem 1.25rem;
  backdrop-filter: blur(4px);
}

.hero h1 {
  margin: 0;
  font-family: Helvetica, Arial, sans-serif;
  font-size: clamp(1.7rem, 5vw, 2.5rem);
  line-height: 1.2;
}

h2 {
  margin: 0 0 0.4rem;
  font-size: 1.2rem;
  line-height: 1.2;
}

.product-list {
  margin: 0.1rem 0 0;
  padding-left: 1.2rem;
}

.product-list a {
  color: #113f75;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 2px;
}