/* akayukicodes.net — base stylesheet (2026-11) */
:root {
  --bg: #0f1115;
  --bg-soft: #161a21;
  --card: #1b2029;
  --line: #2a313d;
  --ink: #e8ecf3;
  --ink-2: #9aa4b5;
  --red: #e5484d;
  --red-deep: #b32d34;
  --gold: #e0b34c;
  --green: #3dd68c;
  --radius: 12px;
  --maxw: 880px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}
a { color: #7fb1ff; text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 18px; }

/* header */
.site-head {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #141821 0%, var(--bg) 100%);
  position: sticky; top: 0; z-index: 20;
}
.site-head .bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 0; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 800; font-size: 18px; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand .kanji {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 8px;
  background: linear-gradient(135deg, var(--red-deep), var(--red));
  color: #fff; font-size: 15px; font-weight: 700;
}
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a { color: var(--ink-2); padding: 7px 10px; border-radius: 8px; font-size: 14.5px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); background: var(--bg-soft); text-decoration: none; }

/* hero */
.hero { padding: 30px 0 8px; }
.hero .game-line { color: var(--ink-2); font-size: 15px; margin-bottom: 6px; }
h1 { font-size: 34px; line-height: 1.18; margin: 0 0 6px; letter-spacing: -0.5px; }
h1 .accent { color: var(--red); }
.updated-chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(61, 214, 140, 0.1); border: 1px solid rgba(61, 214, 140, 0.35);
  color: var(--green); border-radius: 999px; padding: 5px 13px; font-size: 13.5px; font-weight: 600;
  margin: 8px 0 4px;
}
.updated-chip .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); }
.lede { color: var(--ink-2); margin: 12px 0 0; max-width: 46em; }

/* sections */
main { padding-bottom: 30px; }
section { margin-top: 34px; }
h2 { font-size: 23px; margin: 0 0 14px; letter-spacing: -0.3px; }
h2 .count { color: var(--ink-2); font-weight: 600; font-size: 16px; }
h3 { font-size: 17.5px; margin: 22px 0 8px; }
p { margin: 0 0 13px; }
ul, ol { margin: 0 0 14px; padding-left: 22px; }
li { margin-bottom: 7px; }

/* code table */
.code-list { display: flex; flex-direction: column; gap: 10px; }
.code-row {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 13px 15px;
}
.code-row.expired { opacity: 0.75; }
.code-tag {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 15.5px; font-weight: 700; letter-spacing: 0.4px;
  background: #10131a; border: 1px solid var(--line);
  padding: 7px 11px; border-radius: 8px; color: var(--gold);
  word-break: break-all;
}
.badge-new {
  background: var(--red); color: #fff; font-size: 11px; font-weight: 800;
  border-radius: 5px; padding: 2.5px 7px; letter-spacing: 0.8px;
}
.badge-expired {
  background: #3a4150; color: #c6cdd9; font-size: 11px; font-weight: 700;
  border-radius: 5px; padding: 2.5px 7px; letter-spacing: 0.8px;
}
.code-reward { color: var(--ink-2); font-size: 14.5px; flex: 1 1 160px; }
.copy-btn {
  background: #232b38; color: var(--ink); border: 1px solid var(--line);
  border-radius: 8px; padding: 7px 14px; font-size: 13.5px; font-weight: 600;
  cursor: pointer; transition: background 0.15s ease;
}
.copy-btn:hover { background: #2c3646; }
.copy-btn.copied { background: rgba(61, 214, 140, 0.15); border-color: rgba(61, 214, 140, 0.5); color: var(--green); }

/* how-to steps */
.steps { counter-reset: step; display: flex; flex-direction: column; gap: 12px; list-style: none; padding: 0; margin: 0; }
.steps li {
  counter-increment: step; display: flex; gap: 13px; align-items: flex-start;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 13px 15px; margin: 0;
}
.steps li::before {
  content: counter(step);
  flex: 0 0 auto; width: 27px; height: 27px; border-radius: 50%;
  background: linear-gradient(135deg, var(--red-deep), var(--red));
  color: #fff; font-weight: 800; font-size: 14px;
  display: inline-flex; align-items: center; justify-content: center; margin-top: 2px;
}
.steps .key { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; background: #10131a; border: 1px solid var(--line); border-radius: 5px; padding: 1px 7px; font-weight: 700; }

/* faq */
.faq-item { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 4px 16px; margin-bottom: 10px; }
.faq-item h3 { margin: 12px 0 6px; font-size: 16px; }
.faq-item p { color: var(--ink-2); margin-bottom: 12px; }

/* callout */
.callout {
  background: var(--card); border: 1px solid var(--line); border-left: 3px solid var(--red);
  border-radius: var(--radius); padding: 14px 16px; color: var(--ink-2); font-size: 15px;
}

/* cards grid (related links) */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.card {
  display: block; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 15px 16px; color: var(--ink);
}
.card:hover { border-color: #3d4757; text-decoration: none; }
.card .t { font-weight: 700; margin-bottom: 4px; }
.card .d { color: var(--ink-2); font-size: 14px; }

/* tables */
table.data { width: 100%; border-collapse: collapse; font-size: 15px; }
table.data th, table.data td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.data th { color: var(--ink-2); font-weight: 600; white-space: nowrap; }

/* footer */
.site-foot { border-top: 1px solid var(--line); background: var(--bg-soft); margin-top: 40px; padding: 26px 0 34px; font-size: 14px; color: var(--ink-2); }
.site-foot .cols { display: flex; gap: 30px; flex-wrap: wrap; justify-content: space-between; }
.site-foot nav { display: flex; gap: 16px; flex-wrap: wrap; }
.disclaimer { margin-top: 16px; max-width: 60em; font-size: 13px; color: #77808f; }

/* breadcrumbs */
.crumbs { font-size: 13.5px; color: var(--ink-2); margin: 18px 0 2px; }
.crumbs a { color: var(--ink-2); }

.skip-link { position: absolute; left: 12px; top: -80px; padding: 10px; background: var(--card); z-index: 50; }
.skip-link:focus { top: 8px; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--gold); outline-offset: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.source-note, .small { color: var(--ink-2); font-size: 13px; margin-top: 12px; }
.first-listed { display: block; font-size: 11px; margin-top: 3px; }
.expired-list { display: flex; flex-wrap: wrap; gap: 10px; }
.expired-list code { border: 1px solid var(--line); background: var(--card); padding: 8px 12px; border-radius: 6px; color: var(--ink-2); }
.faq-item summary { cursor: pointer; font-weight: 600; padding: 12px 0; }
.faq-item p { margin-top: 6px; }
.card .t { display: inline-block; }
section[id], main[id] { scroll-margin-top: 110px; }
.copy-btn { min-height: 44px; min-width: 64px; }
.data caption { text-align: left; color: var(--ink-2); font-size: 13px; padding-bottom: 10px; }
.data td { overflow-wrap: anywhere; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media (max-width: 640px) {
  .site-head .bar { flex-direction: column; align-items: flex-start; gap: 6px; }
  .brand { white-space: nowrap; }
  .nav { width: 100%; justify-content: space-between; }
  .nav a { min-height: 44px; display: inline-flex; align-items: center; }
  .updated-chip { display: flex; border-radius: 10px; }
  .updated-chip .dot { flex-shrink: 0; }
  .code-row { gap: 9px; padding: 12px; }
  .code-tag { font-size: 13px; letter-spacing: 0; padding: 7px; }
  .badge-new { font-size: 10px; padding: 2px 5px; }
  .copy-btn { margin-left: auto; padding: 7px 9px; }
  .card-grid { grid-template-columns: 1fr; }
  h1 { font-size: 27px; }
  h2 { font-size: 20px; }
  .nav a { padding: 6px 8px; font-size: 13.5px; }
  .code-reward { flex-basis: 100%; order: 3; }
}