:root {
  --bg: #0d1a2b;
  --bg-soft: #12253c;
  --ink: #eef8ff;
  --line: #335778;
  --sun: #ffd55f;
  --beam: #5ed6ff;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "M PLUS 1p", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 14%, rgba(94,214,255,0.12), transparent 34%),
    radial-gradient(circle at 84% 12%, rgba(255,213,95,0.12), transparent 30%),
    var(--bg);
}
a { color: inherit; text-decoration: none; }

.orbbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 20, 34, 0.95);
  border-bottom: 1px solid var(--line);
}
.orbbar-inner {
  width: min(1360px, 97vw);
  margin: 0 auto;
  min-height: 78px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.idmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "Righteous", sans-serif;
  font-size: 1.02rem;
}
.idmark img { width: 44px; height: 44px; }
.hamburger {
  margin-left: auto;
  display: none;
  border: 1px solid #3e668e;
  border-radius: 999px;
  background: #132740;
  color: var(--ink);
  padding: 8px 12px;
  font-weight: 700;
}
.orbnav {
  margin-left: auto;
  display: flex;
  gap: 8px;
}
.orbnav a {
  padding: 8px 12px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.88rem;
}
.orbnav a.current,
.orbnav a:hover {
  border-color: var(--sun);
  color: #2a2308;
  background: var(--sun);
}

.shell {
  width: min(1360px, 97vw);
  margin: 22px auto 72px;
  display: grid;
  gap: 16px;
}
.skydeck {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(145deg, #183050, #0f2239 70%);
  padding: clamp(20px, 4vw, 42px);
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 18px;
}
.skydeck h1 {
  margin: 0;
  font-family: "Righteous", sans-serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.08;
}
.skydeck p { margin: 12px 0 0; }
.rules {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.rules span {
  border: 1px solid #4f7aa4;
  border-radius: 999px;
  background: rgba(94,214,255,0.12);
  padding: 7px 11px;
  font-size: 0.83rem;
  font-weight: 700;
}
.orbitcard {
  border: 1px solid #416a93;
  border-radius: 18px;
  background: #10263e;
  padding: 16px;
}
.orbitcard h2 {
  margin: 0 0 8px;
  font-family: "Righteous", sans-serif;
  font-size: 1rem;
  color: var(--beam);
}
.orbitcard ul { margin: 0; padding-left: 18px; display: grid; gap: 8px; }

.gamehull {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #0c1a2b;
  overflow: hidden;
}
.gamehull-top {
  padding: 13px 16px;
  border-bottom: 1px solid #335778;
  background: #10233a;
  display: flex;
  justify-content: space-between;
  gap: 8px;
}
.gamehull h2 { margin: 0; font-family: "Righteous", sans-serif; font-size: 1rem; }
.gamehull iframe {
  width: 100%;
  min-height: 620px;
  border: 0;
  display: block;
}

.ringline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.ringline article {
  border: 1px solid #3b6288;
  border-radius: 14px;
  background: #102338;
  padding: 12px;
}
.ringline h3 {
  margin: 0 0 7px;
  color: var(--sun);
  font-family: "Righteous", sans-serif;
  font-size: 0.9rem;
}

.readsheet {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #0f2238;
  padding: clamp(18px, 3vw, 34px);
}
.readsheet h1 {
  margin: 0 0 8px;
  font-family: "Righteous", sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
}
.readsheet h2 {
  margin: 14px 0 6px;
  color: var(--beam);
  font-size: 1.03rem;
}

.tail {
  border-top: 1px solid var(--line);
  padding: 22px 0 34px;
}
.tail-inner {
  width: min(1360px, 97vw);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}
.tail nav { display: flex; gap: 12px; flex-wrap: wrap; }

.age-shell {
  position: fixed;
  inset: 0;
  z-index: 96;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 12px;
  background: rgba(8, 14, 24, 0.9);
}
.age-shell.on { display: flex; }
.age-core {
  width: min(520px, 96vw);
  border: 1px solid #4a759e;
  border-radius: 14px;
  background: #11253c;
  padding: 20px;
}
.age-core h2 {
  margin: 0 0 8px;
  font-family: "Righteous", sans-serif;
}
.age-controls { margin-top: 14px; display: flex; gap: 10px; }
.age-controls button {
  border: 0;
  border-radius: 9px;
  padding: 10px 13px;
  font-weight: 700;
}
.ok18 { background: var(--beam); color: #04202b; }
.no18 { background: #ff8a6f; color: #2a0f08; }

@media (max-width: 1020px) {
  .skydeck { grid-template-columns: 1fr; }
  .ringline { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .hamburger { display: inline-flex; }
  .orbnav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 78px;
    background: #0f2238;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    padding: 12px;
  }
  .orbnav.open { display: flex; }
  .orbnav a { border: 1px solid #3f668c; border-radius: 8px; }
  .ringline { grid-template-columns: 1fr; }
}