:root {
  --bg: #f3f7fc;
  --ink: #1a2233;
  --muted: #596480;
  --accent: #4a90db;
  --accent-strong: #2f6eb4;
  --accent-soft: #dbeeff;
  --card: #ffffff;
  --line: #d4dce8;
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: "Noto Sans JP", "Hiragino Sans", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 5% 8%, #cfe8ff 0%, transparent 48%),
    radial-gradient(circle at 95% 6%, #e3f1ff 0%, transparent 38%),
    linear-gradient(180deg, rgba(74, 144, 219, 0.05), rgba(74, 144, 219, 0)),
    var(--bg);
  line-height: 1.6;
}

.wrap {
  width: min(1040px, 92vw);
  margin: 0 auto;
}

.hero {
  padding: 72px 0 44px;
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 28px;
  align-items: center;
}

.hero-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  padding: 10px 14px 10px 10px;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, white);
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent-soft) 60%, white);
}

.app-icon-image {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  object-fit: cover;
  box-shadow:
    0 6px 14px rgba(47, 110, 180, 0.25);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-copy strong {
  font-family: "Sora", "Avenir Next", sans-serif;
  font-size: 15px;
}

.brand-copy span {
  font-size: 11px;
  color: var(--accent-strong);
}

.hero-visual {
  min-height: 360px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px 20px;
}

.hero-visual-icon {
  width: min(220px, 62%);
  aspect-ratio: 1 / 1;
  border-radius: 26%;
  object-fit: cover;
  box-shadow: 0 20px 36px rgba(40, 96, 164, 0.25);
}

.hero-visual-wordmark {
  margin-top: 16px;
  font-family: "Sora", "Avenir Next", sans-serif;
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: 0.01em;
  color: color-mix(in srgb, var(--ink) 78%, var(--accent) 22%);
}

.tag {
  display: inline-block;
  margin-bottom: 18px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--accent-strong);
  border-color: color-mix(in srgb, var(--accent) 36%, white);
  background: color-mix(in srgb, var(--accent-soft) 56%, white);
}

h1 {
  margin: 0;
  font-family: "Sora", "Avenir Next", sans-serif;
  font-size: clamp(34px, 4.8vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: color-mix(in srgb, var(--ink) 86%, var(--accent) 14%);
}

.hero p {
  margin-top: 18px;
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(16px, 1.7vw, 20px);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 10px 18px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 0.14s ease, opacity 0.14s ease;
}

.btn:hover {
  transform: translateY(-1px);
  opacity: 0.95;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  color: #fff;
  box-shadow: 0 6px 18px color-mix(in srgb, var(--accent) 30%, transparent);
}

.btn-secondary {
  background: transparent;
  color: var(--accent-strong);
  border-color: color-mix(in srgb, var(--accent) 36%, white);
}

.grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 20px 0 40px;
}

.card {
  background: var(--card);
  border: 1px solid color-mix(in srgb, var(--accent) 18%, var(--line));
  border-radius: 18px;
  padding: 18px 16px;
  min-height: 146px;
  box-shadow: 0 8px 20px rgba(30, 67, 116, 0.06);
}

.card h3 {
  margin: 0 0 8px;
  font-family: "Sora", "Avenir Next", sans-serif;
  font-size: 18px;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: 8px 0 26px;
}

.section:nth-of-type(3) {
  background: color-mix(in srgb, var(--accent-soft) 42%, white);
  border: 1px solid color-mix(in srgb, var(--accent) 14%, white);
  border-radius: 18px;
  padding: 18px;
  margin-bottom: 16px;
}

.section h2 {
  margin: 0 0 10px;
  font-size: clamp(24px, 2.8vw, 34px);
  font-family: "Sora", "Avenir Next", sans-serif;
  color: color-mix(in srgb, var(--ink) 86%, var(--accent) 14%);
}

.section p,
.section li {
  color: var(--muted);
}

.policy {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px;
}

.policy h3 {
  margin: 16px 0 8px;
}

footer {
  padding: 36px 0 52px;
  color: #71798f;
  font-size: 13px;
}

@media (max-width: 860px) {
  .hero-layout {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 280px;
  }

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

  .hero-brand {
    width: 100%;
    justify-content: center;
    border-radius: 16px;
  }
}