/* namlabs shared styles: home page, game pages and guides. Dark only. */
:root {
  --bg: #0a0a0f;
  --bg-2: #101017;
  --card: #111118;
  --card-2: #16161f;
  --text: #ededf2;
  --muted: #9d9cae;
  --faint: #6c6b7e;
  --line: #22222d;
  --line-2: #2f2f3c;
  --brand: #a78bfa;
  --brand-solid: #7c3aed;
  --accent: #22d3ee;
  --shadow: 0 1px 0 rgba(255, 255, 255, .03) inset, 0 20px 40px -24px rgba(0, 0, 0, .8);
  --radius: 16px;
  --game: var(--brand-solid);
  --game-2: #6366f1;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 "Inter", "Noto Sans JP", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); text-underline-offset: 3px; }
a:focus-visible, .btn:focus-visible, summary:focus-visible, button:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 8px; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.025em; margin: 0; font-weight: 700; }
.wrap { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
@media (max-width: 480px) { .wrap { padding: 0 16px; } }

/* ── Top bar ── */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(10, 10, 15, .72);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; letter-spacing: -.02em; color: var(--text); text-decoration: none; }
.logo img { width: 28px; height: 28px; border-radius: 8px; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { color: var(--muted); text-decoration: none; font-weight: 500; font-size: 14px; transition: color .15s; }
.nav-links a:hover { color: var(--text); }
@media (max-width: 560px) { .nav-links .hide-sm { display: none; } }
@media (max-width: 420px) { .nav-links { gap: 14px; } }
.langs { display: flex; gap: 2px; padding: 3px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg-2); }
.nav-links .langs a { font-size: 12px; font-weight: 600; padding: 3px 8px; border-radius: 7px; letter-spacing: .02em; }
.nav-links .langs a[aria-current] { background: var(--card-2); color: var(--text); box-shadow: 0 0 0 1px var(--line-2) inset; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 11px 18px; border-radius: 10px; border: 0; cursor: pointer;
  font: 600 15px/1.2 inherit; text-decoration: none;
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}
.btn-play { background: #fff; color: #0a0a0f; }
.btn-play:hover { background: #e6e6ee; }
.btn-play svg { width: 18px; height: 18px; flex: none; }
.btn-play small { display: block; font-size: 10px; font-weight: 600; opacity: .6; letter-spacing: .06em; text-transform: uppercase; line-height: 1.1; }
.btn-play span { line-height: 1.2; font-size: 15px; }
.btn-ghost { color: var(--text); border: 1px solid var(--line-2); background: var(--bg-2); }
.btn-ghost:hover { border-color: #45455a; background: var(--card-2); }
.btn-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }

/* ── Hero ── */
.hero { position: relative; padding: 88px 0 72px; overflow-x: clip; isolation: isolate; }
.hero::before {
  content: ""; position: absolute; inset: -60px 0 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(640px 360px at 25% 0%, color-mix(in srgb, var(--game) 22%, transparent), transparent 70%),
    radial-gradient(520px 320px at 85% 30%, color-mix(in srgb, var(--game-2) 14%, transparent), transparent 70%);
}
/* Faint grid that fades out towards the edges. */
.hero::after {
  content: ""; position: absolute; inset: -60px 0 0; z-index: -1; pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 75%);
}
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 12px 5px 10px; border-radius: 999px;
  background: rgba(255, 255, 255, .04); border: 1px solid var(--line-2);
  font-size: 13px; font-weight: 500; color: var(--muted); margin-bottom: 22px;
}
.eyebrow i { width: 6px; height: 6px; border-radius: 50%; background: #34d399; box-shadow: 0 0 0 3px rgba(52, 211, 153, .18); }
.hero h1 { font-size: clamp(38px, 5.4vw, 60px); letter-spacing: -.035em; margin-bottom: 20px; }
.grad { background: linear-gradient(90deg, #fff, color-mix(in srgb, var(--game) 45%, #fff) 60%, color-mix(in srgb, var(--accent) 55%, #fff)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 18px; color: var(--muted); max-width: 520px; margin: 0 0 32px; }
.facts { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 28px; color: var(--faint); font-size: 14px; font-weight: 500; }
.facts span { display: inline-flex; align-items: center; gap: 8px; }
.facts span::before { content: ""; width: 14px; height: 14px; flex: none; background: currentColor; color: #34d399;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M6.2 11.4 2.8 8l-1 1 4.4 4.4 8-8-1-1z'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M6.2 11.4 2.8 8l-1 1 4.4 4.4 8-8-1-1z'/%3E%3C/svg%3E") center / contain no-repeat; }

/* Fanned screenshots */
.fan { position: relative; height: 520px; }
.fan img {
  position: absolute; width: 228px; border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, .1);
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .9);
  top: 50%; left: 50%;
}
.fan img:nth-child(1) { transform: translate(-112%, -46%) rotate(-6deg); opacity: .9; }
.fan img:nth-child(2) { transform: translate(-50%, -52%); z-index: 2; }
.fan img:nth-child(3) { transform: translate(14%, -46%) rotate(6deg); opacity: .9; }
@media (max-width: 880px) {
  .hero { padding: 48px 0 40px; }
  .hero .wrap { grid-template-columns: 1fr; gap: 24px; }
  .fan { height: 400px; }
  .fan img { width: 180px; }
}
@media (max-width: 420px) {
  .fan { height: 320px; }
  .fan img { width: 140px; border-radius: 18px; }
}

/* ── Sections ── */
section { padding: 64px 0; }
.sec-head { margin-bottom: 32px; max-width: 680px; }
.sec-head h2 { font-size: clamp(26px, 3.4vw, 34px); letter-spacing: -.03em; }
.sec-head p { color: var(--muted); margin: 10px 0 0; font-size: 17px; }
.sec-head p + p { margin-top: 8px; }
main > section + section { border-top: 1px solid rgba(255, 255, 255, .04); }
main > section.hero + section { border-top: 0; }

/* ── Game cards (home) ── */
.games { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr)); gap: 20px; }
.game {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column;
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
  transition: border-color .2s ease;
}
.game:hover { border-color: var(--line-2); }
.game-art {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; padding: 16px 16px 0; overflow: hidden;
  background: linear-gradient(160deg, color-mix(in srgb, var(--c1) 42%, var(--card)), color-mix(in srgb, var(--c2) 26%, var(--card)));
  border-bottom: 1px solid var(--line);
}
.game-art img { width: 100%; aspect-ratio: 9 / 16; object-fit: cover; object-position: top; border-radius: 10px 10px 0 0; margin-bottom: -40px;
  box-shadow: 0 12px 28px -14px rgba(0, 0, 0, .8); transition: transform .4s cubic-bezier(.2, .7, .2, 1); }
.game:hover .game-art img { transform: translateY(-4px); }
.game-body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.game-title { display: flex; align-items: center; gap: 14px; }
.game-title img { width: 52px; height: 52px; border-radius: 13px; box-shadow: 0 0 0 1px rgba(255, 255, 255, .08); }
.game-title h3 { font-size: 19px; letter-spacing: -.02em; }
.game-title p { margin: 2px 0 0; color: var(--faint); font-size: 13px; font-weight: 500; }
.game-body > p { margin: 0; color: var(--muted); font-size: 15px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { font-size: 12px; font-weight: 500; padding: 3px 9px; border-radius: 6px; background: rgba(255, 255, 255, .05); border: 1px solid var(--line); color: var(--muted); }
.game-actions { margin-top: auto; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; padding-top: 10px; }
.game-stores { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.btn-details { gap: 6px; padding: 10px 14px; font-size: 14px; color: var(--text); background: transparent; border: 1px solid var(--line-2); margin-left: auto; }
.btn-details span { transition: transform .2s; color: var(--muted); }
.btn-details:hover { background: var(--card-2); border-color: #45455a; }
.btn-details:hover span { transform: translateX(3px); color: var(--text); }
.name-row { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; }
.badge-soon { display: inline-block; color: var(--muted); font-size: 11px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; padding: 2px 7px; border-radius: 6px; border: 1px solid var(--line-2); }
/* Store badges: the visible badge is ~48px tall (44px on cards) in every language. */
.play-badge { display: inline-block; line-height: 0; }
.play-badge img { display: block; }
.play-badge.pad { margin: -11px -12px; }
.play-badge.pad img { height: 72px; width: auto; }
.play-badge.tight { margin: -7px 0; }
.play-badge.tight img { height: 63px; width: auto; }
.play-badge.sm.pad { margin: -10.7px; }
.play-badge.sm.pad img { height: 65.5px; }
.play-badge.sm.tight { margin: -6.6px 0; }
.play-badge.sm.tight img { height: 57.3px; }
.store-badge { display: inline-block; line-height: 0; }
.store-badge img { display: block; height: 48px; width: auto; }
.store-badge.sm img { height: 44px; }
.play-badge, .store-badge { transition: opacity .15s; }
.play-badge:hover, .store-badge:hover { opacity: .85; }

/* ── Feature tiles ── */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(250px, 100%), 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.tile { background: var(--card); padding: 26px 24px; }
.tile h3 { font-size: 16px; letter-spacing: -.01em; margin-bottom: 8px; display: flex; align-items: center; gap: 10px; }
.tile h3::before { content: ""; width: 6px; height: 6px; border-radius: 2px; flex: none; background: color-mix(in srgb, var(--game) 60%, #fff); }
.tile p { margin: 0; color: var(--muted); font-size: 15px; }

/* ── Screenshot strip ── */
.shots {
  display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory;
  padding: 4px 24px 20px; margin: 0 -24px;
  scrollbar-width: thin; scrollbar-color: var(--line-2) transparent;
}
.shots img { flex: none; width: 228px; border-radius: 20px; scroll-snap-align: center; border: 1px solid rgba(255, 255, 255, .08); }
@media (max-width: 480px) { .shots { padding: 4px 16px 20px; margin: 0 -16px; } .shots img { width: 64vw; } }

/* ── Steps ── */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr)); gap: 16px; counter-reset: s; }
.step { padding: 24px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); }
.step::before {
  counter-increment: s; content: counter(s, decimal-leading-zero);
  display: block; margin-bottom: 14px; font-size: 13px; font-weight: 600; letter-spacing: .04em;
  color: color-mix(in srgb, var(--game) 55%, #fff); font-variant-numeric: tabular-nums;
}
.step h3 { font-size: 16px; margin-bottom: 6px; }
.step p { margin: 0; color: var(--muted); font-size: 15px; }

/* ── Pills (levels, medals) ── */
.pills { display: flex; flex-wrap: wrap; gap: 10px; }
.pill { padding: 9px 16px; border-radius: 10px; font-weight: 500; font-size: 15px; border: 1px solid var(--line); background: var(--card); }
.pill b { margin-right: 8px; font-size: 10px; vertical-align: 2px; }

/* ── CTA band ── */
.cta {
  position: relative; overflow: hidden; isolation: isolate;
  border-radius: 20px; padding: 56px 32px; text-align: center;
  background: var(--card); border: 1px solid var(--line-2);
}
.cta::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(500px 240px at 50% 0%, color-mix(in srgb, var(--game) 30%, transparent), transparent 75%);
}
.cta h2 { font-size: clamp(24px, 3.4vw, 32px); letter-spacing: -.03em; margin-bottom: 10px; }
.cta p { margin: 0 auto 28px; max-width: 520px; color: var(--muted); }
.cta .btn-row { justify-content: center; }
.cta img.app-icon { width: 64px; height: 64px; border-radius: 16px; margin: 0 auto 20px; box-shadow: 0 0 0 1px rgba(255, 255, 255, .1), 0 16px 32px -12px rgba(0, 0, 0, .8); }

/* ── Game page hero ── */
.app-head { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
.app-head img { width: 72px; height: 72px; border-radius: 18px; box-shadow: 0 0 0 1px rgba(255, 255, 255, .1), 0 16px 32px -14px rgba(0, 0, 0, .8); }
.app-head .meta { color: var(--faint); font-size: 14px; font-weight: 500; }
.app-head .meta b { color: var(--text); font-weight: 600; }

/* ── Policies & footer ── */
.policies { columns: 4 170px; padding: 0; margin: 0; list-style: none; font-size: 14px; }
.policies li { margin-bottom: 6px; break-inside: avoid; }
.policies a { color: var(--muted); text-decoration: none; }
.policies a:hover { color: var(--text); }
details.more { border: 1px solid var(--line); border-radius: 12px; padding: 14px 20px; background: var(--bg-2); }
details.more summary { cursor: pointer; font-weight: 500; font-size: 14px; color: var(--muted); }
details.more summary:hover { color: var(--text); }
details.more[open] summary { margin-bottom: 14px; }
footer { border-top: 1px solid var(--line); padding: 32px 0 48px; color: var(--faint); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: space-between; align-items: center; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--text); }
footer nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
footer .tm { display: block; width: 100%; margin-top: 8px; font-size: 12px; color: var(--faint); }

/* Entrance: a quick, quiet fade on the hero only. */
@media (prefers-reduced-motion: no-preference) {
  .rise { animation: rise .6s cubic-bezier(.2, .7, .2, 1) both; }
  .rise.d1 { animation-delay: .06s; }
  .rise.d2 { animation-delay: .12s; }
  @keyframes rise { from { opacity: 0; transform: translateY(10px); } }
}

/* ── Technique cards ── */
.techs { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr)); gap: 14px; margin: 20px 0; }
.tech {
  display: block; padding: 22px; border-radius: var(--radius); text-decoration: none; color: var(--text);
  background: var(--card); border: 1px solid var(--line);
  transition: border-color .15s ease, background .15s ease;
}
.tech:hover { border-color: var(--line-2); background: var(--card-2); }
.tech h3 { font-size: 17px; margin: 12px 0 6px; }
.tech p { margin: 0; color: var(--muted); font-size: 15px; }
.lvl { display: inline-block; font-size: 11px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; padding: 2px 8px; border-radius: 6px; }
.lvl-easy { background: rgba(52, 211, 153, .1); color: #6ee7b7; }
.lvl-medium { background: rgba(251, 191, 36, .1); color: #fcd34d; }
.lvl-hard { background: rgba(167, 139, 250, .12); color: #c4b5fd; }

/* ── Guides ── */
.hero-guide { padding: 56px 0 8px; }
.hero-guide::after { display: none; }
.hero-guide .wrap { display: block; }
.guide { max-width: 740px; margin: 0 auto; }
.hero-guide h1 { font-size: clamp(30px, 4.4vw, 44px); }
.hero-guide .lead { max-width: none; margin-bottom: 0; }
.crumbs { font-size: 14px; color: var(--faint); margin-bottom: 20px; }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--text); }
.guide-body { padding-top: 24px; }
main > section.guide-body { border-top: 0; }
.prose { font-size: 17px; line-height: 1.75; color: #d6d6df; }
.prose h2 { font-size: clamp(22px, 3vw, 28px); margin: 52px 0 14px; color: var(--text); }
.prose h3 { font-size: 19px; margin: 32px 0 8px; color: var(--text); }
.prose > :first-child { margin-top: 0; }
.prose li { margin-bottom: 6px; }
.prose strong, .prose b { color: var(--text); }
.note {
  margin: 28px 0; padding: 18px 22px; border-radius: 12px;
  background: color-mix(in srgb, var(--brand) 7%, var(--card));
  border: 1px solid color-mix(in srgb, var(--brand) 22%, var(--line));
}
.guide-cta { margin-top: 56px; }
.guide-cta h2 { margin-top: 0; }
.pager { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; margin-top: 40px; }
.pager a {
  flex: 1 1 220px; padding: 16px 20px; border-radius: 12px; text-decoration: none; font-weight: 600;
  background: var(--card); border: 1px solid var(--line); color: var(--text);
}
.pager a:hover { border-color: var(--line-2); background: var(--card-2); }
.pager .next { text-align: right; }
.pager small { display: block; font-size: 13px; font-weight: 500; color: var(--faint); }

/* ── Sudoku diagrams ── */
.fig { margin: 24px 0 28px; }
.fig figcaption { margin-top: 10px; font-size: 15px; color: var(--muted); text-align: center; }
.board {
  --cell-line: rgba(255, 255, 255, .12);
  display: grid; grid-template-columns: repeat(9, 1fr);
  width: 100%; max-width: 432px; margin: 0 auto;
  border: 2px solid #c9c9d6; border-radius: 6px; overflow: hidden;
  background: var(--card); font-variant-numeric: tabular-nums;
}
.board > div {
  position: relative; aspect-ratio: 1; display: grid; place-items: center;
  border-right: 1px solid var(--cell-line); border-bottom: 1px solid var(--cell-line);
  font-size: clamp(15px, 4.4vw, 24px); font-weight: 600;
}
.board > div:nth-child(9n) { border-right: 0; }
.board > div:nth-last-child(-n+9) { border-bottom: 0; }
.board .br { border-right: 2px solid #c9c9d6; }
.board .bb { border-bottom: 2px solid #c9c9d6; }
.board .area { background: color-mix(in srgb, var(--brand) 12%, var(--card)); }
.board .src { color: var(--brand); }
.board .no { background-image: repeating-linear-gradient(135deg, transparent 0 5px, rgba(251, 113, 133, .22) 5px 7px); }
.board .key { box-shadow: inset 0 0 0 3px var(--brand); background: color-mix(in srgb, var(--brand) 22%, var(--card)); }
.board .new { color: #34d399; }
.cands {
  position: absolute; inset: 2px; display: grid; grid-template-columns: repeat(3, 1fr);
  font-size: clamp(8px, 2.3vw, 12px); font-weight: 600; line-height: 1; color: var(--muted);
}
.cands i { font-style: normal; display: grid; place-items: center; }
.cands i.k { color: var(--brand); font-weight: 700; }
.cands i.x { color: #fb7185; text-decoration: line-through 2px; }
.cand1 { font-size: clamp(12px, 3.4vw, 18px); font-weight: 700; color: var(--muted); }
.cand1.k { color: var(--brand); }
.cand1.x { color: #fb7185; text-decoration: line-through 2.5px; }

/* ── Store game pages ── */
.checks { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr)); gap: 12px; }
.checks li { position: relative; padding: 16px 18px 16px 44px; border-radius: 12px; background: var(--card); border: 1px solid var(--line); color: var(--muted); font-size: 15px; }
.checks li::before { content: ""; position: absolute; left: 18px; top: 21px; width: 12px; height: 12px; background: #34d399;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M6.2 11.4 2.8 8l-1 1 4.4 4.4 8-8-1-1z'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M6.2 11.4 2.8 8l-1 1 4.4 4.4 8-8-1-1z'/%3E%3C/svg%3E") center / contain no-repeat; }
.btn-soon { cursor: default; color: var(--muted); }
.btn-soon:hover { border-color: var(--line-2); background: var(--bg-2); }