:root {
  color-scheme: light;
  --bg: #f6f7f4;
  --surface: #ffffff;
  --text: #20231f;
  --muted: #62675f;
  --border: #dfe4dc;
  --accent: #1f7a4f;
  --accent-soft: #e8f4ed;
  --warning-bg: #fff8e8;
  --warning-border: #f0c05a;
  --link: #0b6bcb;
  --shadow: 0 18px 45px rgba(27, 34, 24, 0.08);
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, #edf5ef 0, rgba(237, 245, 239, 0) 340px),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.8;
  letter-spacing: 0;
}

body::before {
  display: none;
}

a {
  color: var(--link);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

.wrap {
  width: min(100%, 920px);
  max-width: none;
  margin: 0 auto;
  padding: 32px 20px 56px;
}

.top-link {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0;
}

.page-header {
  margin-bottom: 10px;
  padding: 24px 0 26px;
  border-bottom: 0;
  text-align: left;
}

.page-header::after {
  display: none;
}

.app-name {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0;
}

.page-title {
  margin: 0;
  color: var(--text);
  font-family: inherit;
  font-size: clamp(2rem, 6vw, 3.2rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: 0;
}

.page-date {
  display: inline-flex;
  margin-top: 24px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0;
}

.section {
  margin: 18px 0;
  padding: 26px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.section-title {
  display: block;
  margin: 0 0 12px;
  padding: 0;
  border-bottom: 0;
  color: var(--text);
  font-family: inherit;
  font-size: 1.34rem;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0;
}

.section-title::before {
  content: none;
}

.section p {
  margin: 0 0 12px;
  color: var(--text);
  font-size: 1rem;
}

.section ul {
  margin: 10px 0 0;
  padding-left: 1.35em;
  list-style: disc;
}

.section ul li {
  margin: 8px 0;
  padding: 0;
  border-bottom: 0;
  color: var(--text);
  font-size: 1rem;
}

.section ul li::before {
  content: none;
}

.highlight {
  margin-top: 14px;
  padding: 14px 16px;
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  background: var(--accent-soft);
  color: #254833;
  font-size: 1rem;
  font-weight: 400;
}

.warning {
  margin-top: 14px;
  padding: 14px 16px;
  border-left: 4px solid var(--warning-border);
  border-radius: 6px;
  background: var(--warning-bg);
  color: #5d4513;
  font-size: 1rem;
}

.contact-box {
  margin-top: 14px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fafbf8;
  color: var(--text);
}

.contact-box p {
  color: var(--text) !important;
}

footer {
  margin-top: 26px;
  padding-top: 0;
  border-top: 0;
  color: var(--muted);
  font-size: 0.92rem;
  letter-spacing: 0;
  text-align: center;
}

@media (max-width: 720px) {
  .wrap {
    padding: 22px 14px 42px;
  }

  .section {
    padding: 20px 16px;
  }
}