:root {
  color-scheme: light;
  --navy: #18365d;
  --green: #07894a;
  --lime: #9acd32;
  --paper: #fffefa;
  --soft: #f2f7ed;
  --line: #dce7df;
  --muted: #66788a;
  --danger: #b4232d;
}

* { box-sizing: border-box; }

html { background: #f5f7f3; }

body {
  margin: 0;
  color: var(--navy);
  background:
    radial-gradient(circle at 8% 10%, rgba(154, 205, 50, .13), transparent 24rem),
    radial-gradient(circle at 92% 20%, rgba(7, 137, 74, .10), transparent 28rem),
    #f8faf7;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Tahoma, Arial, sans-serif;
  line-height: 1.8;
}

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

.public-page {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.public-header,
footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--navy);
  text-decoration: none;
}

.brand img {
  width: 58px;
  height: 58px;
  object-fit: contain;
}

.brand span { display: grid; line-height: 1.15; }
.brand strong { font-size: 1.35rem; }
.brand small { color: var(--muted); }

nav { display: flex; flex-wrap: wrap; gap: 10px; }
nav a {
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--navy);
  text-decoration: none;
  background: rgba(255, 255, 255, .72);
  border: 1px solid var(--line);
}

.hero {
  margin: 44px 0 24px;
  padding: clamp(28px, 6vw, 64px);
  border-radius: 30px;
  background: linear-gradient(135deg, var(--navy), #244c75 58%, var(--green));
  color: white;
  box-shadow: 0 28px 70px rgba(24, 54, 93, .14);
}

.hero h1 {
  margin: 8px 0 12px;
  font-size: clamp(2rem, 6vw, 4rem);
  line-height: 1.2;
}

.hero p { max-width: 760px; margin: 7px 0; font-size: 1.08rem; }
.hero .english { color: rgba(255, 255, 255, .8); }
.eyebrow { color: #dff5b7; font-weight: 700; }

.content-card {
  padding: clamp(24px, 5vw, 54px);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 18px 48px rgba(24, 54, 93, .08);
}

.content-card h2 { margin-top: 34px; color: var(--navy); }
.content-card h2:first-child { margin-top: 0; }
.content-card li + li { margin-top: 7px; }
.updated { color: var(--muted); }

.english-block,
.notice {
  margin-top: 34px;
  padding: 22px;
  border-radius: 18px;
  background: var(--soft);
  border: 1px solid var(--line);
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.support-grid section {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--paper);
}

.support-grid h3 { margin-top: 0; }

.primary-action,
.danger-action {
  display: inline-flex;
  margin: 14px 0;
  padding: 13px 20px;
  border-radius: 14px;
  color: white;
  text-decoration: none;
  font-weight: 750;
}

.primary-action { background: var(--green); }
.danger-action { background: var(--danger); }

footer {
  margin-top: 24px;
  padding: 22px 8px;
  color: var(--muted);
  flex-wrap: wrap;
}

footer a { color: var(--navy); text-decoration: none; }

@media (max-width: 720px) {
  .public-page { width: min(100% - 20px, 1080px); padding-top: 12px; }
  .public-header { align-items: flex-start; }
  nav { justify-content: flex-end; }
  nav a { padding: 6px 9px; font-size: .84rem; }
  .hero { margin-top: 22px; border-radius: 22px; }
  .content-card { border-radius: 22px; }
  .support-grid { grid-template-columns: 1fr; }
}