:root {
  --color-bg: #ffffff;
  --color-surface: #f2f2f2;
  --color-text: #212121;
  --color-heading: #226e93;
  --color-accent: #1e6c93;
  --color-link: #006580;
  --color-header-bg: #212121;
  --font-sans: "Lato", sans-serif;
  --content-max: 720px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.67;
  color: var(--color-text);
  background: var(--color-bg);
}

a {
  color: var(--color-link);
}

a:hover {
  color: #007a93;
}

.site-header {
  background: var(--color-header-bg);
  color: #fff;
}

.site-header__inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
}

.site-logo {
  color: #fff;
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 300;
  letter-spacing: 0.04em;
}

.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  padding: 3rem 1.5rem;
  background-color: var(--color-accent);
  background-image: linear-gradient(rgba(33, 33, 33, 0.4), rgba(33, 33, 33, 0.4)),
    url("https://ssl.gstatic.com/atari/images/simple-header-blended-small.png");
  background-size: cover;
  background-position: center;
  color: #fff;
  text-align: center;
}

.hero h1 {
  margin: 0;
  font-size: clamp(1.75rem, 5vw, 3.5rem);
  font-weight: 300;
  letter-spacing: 0.04em;
  line-height: 1.15;
}

.content {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 0;
}

.content h2 {
  margin: 0 0 1rem;
  color: var(--color-heading);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.4;
}

.content h3 {
  margin: 1.5rem 0 0.75rem;
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 700;
}

.content p {
  margin: 0 0 1rem;
}

.legal-list {
  margin: 0;
}

.legal-list > div {
  display: grid;
  grid-template-columns: 8em 1fr;
  gap: 0.5rem 1rem;
  margin-bottom: 1rem;
  line-height: 1.38;
}

.legal-list dt {
  margin: 0;
  font-weight: 700;
}

.legal-list dt::after {
  content: "：";
}

.legal-list dd {
  margin: 0;
}

.site-footer {
  margin-top: 3rem;
  padding: 1.5rem;
  background: var(--color-surface);
  text-align: center;
  font-size: 0.875rem;
  color: #666;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 479px) {
  .legal-list > div {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }

  .hero {
    min-height: 220px;
    padding: 2rem 1rem;
  }
}