:root {
    --accent: #D0F809;
    --accent-10: #D0F8091A;
    --accent-20: #D0F80933;
    --accent-deep: #1A2E00;
    --bg: #0A0A0A;
    --bg-2: #141414;
    --bg-3: #1E1E1E;
    --text: #FFFFFF;
    --text-2: #8A8A8A;
    --text-soft: #C8C8C8;
    --border: #2A2A2A;
    --r-md: 12px;
    --r-lg: 16px;
    --r-xl: 24px;
    --wrap: 1160px;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    background: var(--bg);
    color: var(--text);
    font-family: Inter, system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }
  img { display: block; max-width: 100%; }
  a { color: inherit; text-decoration: none; }
  .wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

  /* Header */
  header.top {
    position: sticky; top: 0; z-index: 10;
    background: rgba(10,10,10,.82);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
  }
  header.top .wrap { display: flex; align-items: center; gap: 28px; height: 68px; }
  .wordmark { height: 34px; width: auto; }
  nav.links { display: flex; gap: 24px; margin-left: 8px; }
  nav.links a { color: var(--text-2); font-weight: 500; font-size: 15px; }
  nav.links a:hover { color: var(--text); }
  .spacer { flex: 1; }
  .lang {
    display: flex; align-items: center; gap: 6px;
    height: 36px; padding: 0 12px;
    border: 1px solid var(--border); border-radius: 999px;
    color: var(--text-soft); font-size: 14px; font-weight: 600;
    background: var(--bg-2);
  }
  .lang svg { width: 14px; height: 14px; }
  .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    height: 48px; padding: 0 22px; border-radius: var(--r-md);
    font-weight: 700; font-size: 16px; white-space: nowrap;
  }
  .btn-accent { background: var(--accent); color: var(--bg); }
  .btn-accent:hover { filter: brightness(1.08); }
  .btn-ghost { background: var(--bg-2); color: var(--text); border: 1px solid var(--border); }
  .btn-ghost:hover { border-color: #3a3a3a; }
  .btn svg { width: 20px; height: 20px; }
  header .btn { height: 40px; padding: 0 16px; font-size: 15px; }

  /* Hero */
  .hero { position: relative; padding: 72px 0 40px; overflow: hidden; }
  .hero::before {
    content: ""; position: absolute; inset: 0;
    background: url(img/posters/x01.webp) center/cover no-repeat;
    opacity: .22; filter: saturate(1.2);
    mask-image: linear-gradient(to bottom, #000 0%, transparent 85%);
    -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 85%);
  }
  .hero::after {
    content: ""; position: absolute; left: 50%; bottom: -260px; transform: translateX(-50%);
    width: 1100px; height: 520px; border-radius: 50%;
    background: radial-gradient(closest-side, rgba(208,248,9,.20), transparent);
    pointer-events: none;
  }
  .hero .wrap { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
  .pill {
    display: inline-flex; align-items: center; gap: 8px;
    height: 30px; padding: 0 12px; border-radius: 999px;
    background: var(--accent-10); border: 1px solid var(--accent-20);
    color: var(--accent); font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  }
  h1 {
    margin: 20px 0 18px;
    font-size: clamp(40px, 5.6vw, 68px); line-height: 1.02; font-weight: 800; letter-spacing: -.03em;
  }
  h1 em { font-style: normal; color: var(--accent); display: block; }
  .lead { color: var(--text-soft); font-size: 18px; max-width: 520px; }
  .ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
  .facts { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 26px; color: var(--text-2); font-size: 14px; font-weight: 500; }
  .facts span { display: inline-flex; align-items: center; gap: 7px; }
  .facts span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

  .phones { position: relative; height: 640px; }
  .phone {
    position: absolute; width: 290px; aspect-ratio: 1206 / 2622;
    border-radius: 46px; padding: 10px;
    background: linear-gradient(160deg, #2b2b2b, #111 40%, #1c1c1c);
    box-shadow: 0 0 0 1px #333, 0 40px 80px rgba(0,0,0,.6);
  }
  .phone img { width: 100%; height: 100%; object-fit: cover; border-radius: 37px; }
  .phones .p1 { right: 30px; top: 0; z-index: 2; transform: rotate(3deg); }
  .phones .p2 { right: 250px; top: 70px; transform: rotate(-6deg); opacity: .9; width: 260px; }

  /* Sections */
  section { padding: 96px 0; }
  .eyebrow { color: var(--accent); font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
  h2 { margin-top: 12px; font-size: clamp(30px, 3.6vw, 44px); line-height: 1.08; font-weight: 800; letter-spacing: -.025em; max-width: 720px; }
  .sub { margin-top: 14px; color: var(--text-2); font-size: 17px; max-width: 620px; }

  /* Games */
  .games-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
  .games { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-top: 40px; }
  .game {
    position: relative; aspect-ratio: 16 / 10.5; border-radius: var(--r-lg); overflow: hidden;
    border: 1px solid var(--border); background: var(--bg-2);
  }
  .game img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
  .game:hover img { transform: scale(1.05); }
  .game:hover { border-color: var(--accent-20); }
  .game::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,.85), transparent 60%); }
  .game .name { position: absolute; left: 12px; bottom: 10px; z-index: 1; font-weight: 700; font-size: 15px; line-height: 1.2; }
  .game .tag {
    position: absolute; left: 10px; top: 10px; z-index: 1;
    padding: 2px 8px; border-radius: 6px; background: var(--accent); color: var(--bg);
    font-size: 11px; font-weight: 800;
  }

  /* Feature rows */
  .rows { display: grid; gap: 24px; margin-top: 48px; }
  .row {
    display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 40px;
    background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--r-xl);
    padding: 48px 56px 0; overflow: hidden;
  }
  .row.flip .shot { order: -1; }
  .row h3 { font-size: clamp(26px, 2.8vw, 34px); line-height: 1.1; font-weight: 800; letter-spacing: -.02em; }
  .row h3 em { font-style: normal; color: var(--accent); }
  .row p { margin-top: 14px; color: var(--text-soft); font-size: 17px; max-width: 440px; }
  .row ul { list-style: none; margin-top: 22px; display: grid; gap: 10px; }
  .row li { display: flex; gap: 10px; color: var(--text-soft); font-size: 15px; }
  .row li::before { content: ""; flex: none; width: 18px; height: 18px; margin-top: 2px; border-radius: 6px; background: var(--accent-20) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23D0F809' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/12px no-repeat; }
  .shot { align-self: end; display: flex; justify-content: center; }
  .shot .phone { position: relative; width: 300px; aspect-ratio: auto; height: 470px; border-radius: 46px 46px 0 0; padding: 10px 10px 0; box-shadow: 0 0 0 1px #333; }
  .shot .phone img { height: 100%; object-fit: cover; object-position: top; border-radius: 37px 37px 0 0; }

  .duo { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
  .row.half { grid-template-columns: 1fr; padding: 40px 40px 0; gap: 28px; }
  .row.half .shot .phone { width: 270px; height: 360px; }
  @media (max-width: 860px) { .duo { grid-template-columns: 1fr; } .row.half { padding: 32px 24px 0; } }

  /* Mini grid */
  .minis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 24px; }
  .mini { background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 22px; }
  .mini .ico { width: 40px; height: 40px; border-radius: var(--r-md); background: var(--accent-10); border: 1px solid var(--accent-20); display: grid; place-items: center; }
  .mini .ico svg { width: 20px; height: 20px; stroke: var(--accent); }
  .mini h4 { margin-top: 16px; font-size: 16px; font-weight: 700; }
  .mini p { margin-top: 6px; color: var(--text-2); font-size: 14px; line-height: 1.5; }

  /* FAQ */
  .faq { margin-top: 40px; display: grid; gap: 10px; max-width: 820px; }
  details { background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--r-lg); }
  details[open] { border-color: var(--accent-20); }
  summary { cursor: pointer; list-style: none; padding: 20px 22px; font-weight: 600; font-size: 17px; display: flex; justify-content: space-between; gap: 16px; }
  summary::-webkit-details-marker { display: none; }
  summary::after { content: "+"; color: var(--accent); font-size: 22px; line-height: 1; font-weight: 500; }
  details[open] summary::after { content: "−"; }
  details p { padding: 0 22px 20px; color: var(--text-soft); }

  /* Final CTA in splash style */
  .final { padding: 0 0 96px; }
  .final .box {
    position: relative; overflow: hidden;
    background: var(--accent); color: var(--bg); border-radius: 32px;
    padding: 64px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 40px;
  }
  .final h2 { margin: 0; color: var(--bg); }
  .final .sub { color: #2b3600; }
  .final .target { width: 230px; height: 230px; }
  .final .ctas .btn-accent { background: var(--bg); color: var(--accent); }
  .final .ctas .btn-ghost { background: transparent; color: var(--bg); border-color: rgba(10,10,10,.35); }

  footer { border-top: 1px solid var(--border); padding: 40px 0 56px; color: var(--text-2); font-size: 14px; }
  footer .wrap { display: flex; flex-wrap: wrap; gap: 24px 48px; justify-content: space-between; align-items: start; }
  footer .wordmark { height: 28px; }
  footer .cols { display: flex; gap: 56px; flex-wrap: wrap; }
  footer h5 { color: var(--text); font-size: 13px; font-weight: 700; margin-bottom: 10px; }
  footer .cols a { display: block; margin-top: 6px; }
  footer .cols a:hover { color: var(--text); }
  footer .studio { margin-top: 14px; }
  footer .studio a { color: var(--text-soft); text-decoration: underline; text-underline-offset: 3px; }

  @media (max-width: 1000px) {
    .games { grid-template-columns: repeat(3, 1fr); }
    .minis { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 860px) {
    nav.links { display: none; }
    .hero { padding-top: 40px; }
    .hero .wrap { grid-template-columns: 1fr; }
    .phones { height: 520px; }
    .phones .p1 { right: 50%; transform: translateX(62%) rotate(3deg); width: 240px; }
    .phones .p2 { right: 50%; transform: translateX(-2%) rotate(-6deg); width: 215px; top: 50px; }
    .row, .row.flip { grid-template-columns: 1fr; padding: 32px 24px 0; gap: 28px; }
    .row.flip .shot { order: 0; }
    .shot .phone { width: 260px; height: 400px; }
    .final .box { grid-template-columns: 1fr; padding: 40px 28px; }
    .final .target { width: 140px; height: 140px; order: -1; }
    section { padding: 72px 0; }
  }
  @media (max-width: 520px) {
    header .btn { display: none; }
    .wrap { padding: 0 16px; }
    .games { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .minis { grid-template-columns: 1fr; }
    .ctas .btn { flex: 1 1 100%; }
    .lead { font-size: 17px; }
  }

/* Language menu */
.langmenu { position: relative; }
.langmenu summary { list-style: none; cursor: pointer; }
.langmenu summary::-webkit-details-marker { display: none; }
.langmenu summary::after { content: none; }
.langmenu[open] { border: 0; }
.langmenu ul {
  position: absolute; right: 0; top: 44px; z-index: 20; list-style: none;
  min-width: 190px; padding: 6px; border-radius: var(--r-md);
  background: var(--bg-2); border: 1px solid var(--border);
  box-shadow: 0 20px 40px rgba(0,0,0,.5);
}
.langmenu li a { display: block; padding: 9px 12px; border-radius: 8px; color: var(--text-soft); font-size: 15px; font-weight: 500; }
.langmenu li a:hover { background: var(--bg-3); color: var(--text); }
.langmenu li a[aria-current="true"] { color: var(--accent); }
details.langmenu { background: none; border: 0; border-radius: 0; }

/* Japanese */
:lang(ja) body, body:lang(ja) { font-family: Inter, "Noto Sans JP", system-ui, sans-serif; }
:lang(ja) h1, :lang(ja) h2, :lang(ja) h3 { letter-spacing: 0; line-height: 1.2; }
.langmenu[open] summary::after, .langmenu summary::after { content: none; }
:lang(ja) h1, :lang(ja) h2, :lang(ja) h3, :lang(ja) h4 { word-break: auto-phrase; }
:lang(ja) h1 { font-size: clamp(34px, 4.4vw, 54px); }
:lang(ja) h3 em { display: block; }

/* Inner pages */
.page-head { padding: 64px 0 24px; }
.page-title { font-size: clamp(34px, 4.6vw, 56px); line-height: 1.05; font-weight: 800; letter-spacing: -.03em; }
.games-all { grid-template-columns: repeat(4, 1fr); margin-top: 36px; }
.games-all .tag { font-weight: 700; }
.wrap.narrow { max-width: 760px; }

.rule-hero { position: relative; overflow: hidden; padding: 48px 0 56px; border-bottom: 1px solid var(--border); }
.rule-bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: .35;
  mask-image: linear-gradient(to bottom, #000 10%, transparent 100%); -webkit-mask-image: linear-gradient(to bottom, #000 10%, transparent 100%); }
.rule-hero .wrap { position: relative; }
.back { display: inline-flex; align-items: center; gap: 6px; color: var(--text-soft); font-weight: 600; font-size: 15px; margin-bottom: 28px; }
.back svg { width: 18px; height: 18px; }
.back:hover { color: var(--accent); }
.tagline { margin-top: 12px; color: var(--accent); font-size: 20px; font-weight: 700; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.chips span { height: 32px; display: inline-flex; align-items: center; padding: 0 12px; border-radius: 999px; background: rgba(20,20,20,.8); border: 1px solid var(--border); color: var(--text-soft); font-size: 14px; font-weight: 600; }

.rule-body { padding: 56px 0 24px; }
.rule-body .lead { font-size: 19px; color: var(--text); margin-bottom: 8px; }
.rule-section { margin-top: 28px; padding: 24px 26px; background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--r-lg); }
.rule-section h2 { margin: 0 0 10px; font-size: 20px; letter-spacing: -.01em; max-width: none; }
.rule-section p { color: var(--text-soft); }
.rule-section p + p { margin-top: 6px; }

.related { padding: 56px 0 72px; }
.related h2 { margin: 0; font-size: 26px; }
.games-related { grid-template-columns: repeat(4, 1fr); margin-top: 24px; }

.doc { padding: 64px 0 96px; }
.updated { margin-top: 12px; color: var(--text-2); font-size: 14px; }
.prose { margin-top: 32px; }
.prose h2 { margin: 36px 0 10px; font-size: 22px; letter-spacing: -.01em; max-width: none; }
.prose p, .prose li { color: var(--text-soft); }
.prose p + p { margin-top: 12px; }
.prose strong { color: var(--text); }
.prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; overflow-wrap: anywhere; }
.prose ul { margin: 12px 0 0 20px; display: grid; gap: 6px; }
.notfound { text-align: center; }
.notfound .ctas { justify-content: center; }
.nf-target { width: 120px; height: 120px; margin: 0 auto 24px; filter: invert(1) sepia(1) saturate(20) hue-rotate(30deg); }

@media (max-width: 1000px) { .games-all, .games-related { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 520px) {
  .games-all, .games-related { grid-template-columns: repeat(2, 1fr); }
  .rule-section { padding: 20px; }
  .page-head, .doc { padding-top: 40px; }
}