:root {
  color-scheme: light;
  --bg: #f7f8fa;
  --ink: #17202a;
  --muted: #5b6673;
  --line: #dbe1e8;
  --panel: #ffffff;
  --accent: #18706a;
  --accent-soft: #e5f4f2;
  --gold: #b7791f;
  font-family: "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.75;
}

a {
  color: var(--accent);
  overflow-wrap: anywhere;
}

.hero {
  background:
    linear-gradient(135deg, rgba(24, 112, 106, 0.95), rgba(20, 57, 84, 0.94)),
    url("assets/app-icon.png");
  background-position: center;
  background-size: cover;
  color: #ffffff;
  padding: 56px 20px 48px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  width: min(960px, 100%);
  margin: 0 auto;
}

.app-icon {
  width: 112px;
  height: 112px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.2);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.25);
}

.eyebrow {
  margin: 0 0 8px;
  color: #d8f4ee;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 6vw, 3.6rem);
  line-height: 1.15;
  letter-spacing: 0;
}

.lead {
  max-width: 760px;
  margin: 18px 0 0;
  color: #ecf6f5;
  font-size: 1.08rem;
}

main {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
}

.summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: -22px 0 32px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
  overflow: hidden;
  box-shadow: 0 14px 30px rgba(28, 42, 54, 0.1);
}

.summary div {
  min-width: 0;
  padding: 18px;
  background: var(--panel);
}

.label {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
}

.summary strong {
  display: block;
  margin-top: 4px;
  overflow-wrap: anywhere;
}

.policy {
  padding-bottom: 40px;
}

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

.policy section:first-child {
  border-top: 1px solid var(--line);
}

h2 {
  margin: 0 0 12px;
  color: #143954;
  font-size: 1.28rem;
  letter-spacing: 0;
}

p {
  margin: 0 0 12px;
}

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

ul {
  margin: 0 0 14px;
  padding-left: 1.4rem;
}

li + li {
  margin-top: 6px;
}

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  padding: 24px 20px 36px;
  text-align: center;
}

footer p {
  margin: 0;
}

@media (max-width: 700px) {
  .hero {
    padding: 34px 18px 42px;
  }

  .hero-inner {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 16px;
  }

  .app-icon {
    width: 76px;
    height: 76px;
    border-radius: 18px;
  }

  h1 {
    font-size: clamp(1.55rem, 8vw, 2.2rem);
  }

  .lead {
    font-size: 0.98rem;
  }

  .summary {
    grid-template-columns: 1fr;
    margin-top: -18px;
  }
}