:root {
  --bg: #fafaf9;
  --surface: #ffffff;
  --text: #1c1917;
  --muted: #57534e;
  --border: #e7e5e4;
  --accent: #1e3a5f;
  --accent-soft: #eef2f7;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
}

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

a:hover {
  text-decoration: none;
}

.container {
  width: min(960px, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(250, 250, 249, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.logo {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  color: var(--text);
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  font-size: 0.875rem;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--accent);
}

.hero {
  padding: 4rem 0 3rem;
  background: linear-gradient(180deg, var(--accent-soft) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  line-height: 1.35;
  font-weight: 700;
}

.hero .lead {
  margin: 0;
  max-width: 42em;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero .reading {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: var(--muted);
}

section {
  padding: 3rem 0;
  border-bottom: 1px solid var(--border);
}

section:last-of-type {
  border-bottom: none;
}

h2 {
  margin: 0 0 1.25rem;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent);
}

h3 {
  margin: 1.75rem 0 0.75rem;
  font-size: 1.05rem;
  font-weight: 700;
}

p {
  margin: 0 0 1rem;
}

ul {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
}

.card-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem 1.35rem;
}

.card h3 {
  margin-top: 0;
}

.card .status {
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.15rem 0.55rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 4px;
  background: var(--accent-soft);
  color: var(--accent);
}

.card .status--soon {
  background: #f5f5f4;
  color: var(--muted);
}

.definition-list {
  display: grid;
  gap: 0.75rem;
}

.definition-list dt {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--muted);
}

.definition-list dd {
  margin: 0.15rem 0 0;
}

.values {
  display: grid;
  gap: 0.5rem;
  margin: 1rem 0;
  padding: 0;
  list-style: none;
}

.values li {
  padding: 0.65rem 0.85rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
}

.slogan {
  margin-top: 1.25rem;
  padding: 1rem 1.15rem;
  background: var(--surface);
  border-left: 3px solid var(--accent);
  font-weight: 600;
}

.slogan--lead {
  margin-top: 0;
  margin-bottom: 1.25rem;
}

.hero-cta {
  margin: 1.25rem 0 0.75rem;
}

.button-primary {
  display: inline-block;
  padding: 0.65rem 1.25rem;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border-radius: 6px;
}

.button-primary:hover {
  opacity: 0.92;
  color: #fff;
}

.card--featured {
  max-width: 42rem;
}

.card-cta {
  margin: 1.25rem 0 0;
}

.company-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.company-table th,
.company-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.company-table tr:last-child th,
.company-table tr:last-child td {
  border-bottom: none;
}

.company-table th {
  width: 28%;
  background: #f5f5f4;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--muted);
}

.contact-link {
  font-weight: 600;
  word-break: break-all;
}

.two-col {
  display: grid;
  gap: 1.5rem;
}

.site-footer {
  padding: 2rem 0;
  font-size: 0.85rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

@media (min-width: 720px) {
  .two-col {
    grid-template-columns: 1fr 1fr;
  }
}

@media print {
  .site-header,
  .site-nav {
    position: static;
  }

  .site-nav {
    display: none;
  }

  section {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  body {
    background: #fff;
    font-size: 11pt;
  }

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

  .contact-link::after {
    content: " (" attr(href) ")";
    font-size: 0.85em;
  }
}

@media (max-width: 640px) {
  .site-header .container {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding-top: 2.5rem;
  }
}