html { min-height: 100%; background: var(--bg-dark); }
body {
  min-width: 320px;
  min-height: 100dvh;
  color: var(--text-main);
  background:
    radial-gradient(ellipse 70% 40% at 50% 0%, rgba(196,30,58,.05), transparent 65%),
    var(--bg-dark);
  font-family: 'Noto Sans JP', 'Segoe UI', 'Hiragino Sans', sans-serif;
}
button, a { font: inherit; }
button { color: inherit; }
.demo-shell { min-height: 100dvh; display: grid; grid-template-rows: auto 1fr auto; }
.demo-header {
  min-height: 58px; padding: 8px 24px; display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--card-border); background: rgba(6,6,6,.96);
}
.demo-header > a { display: flex; align-items: center; gap: 10px; color: var(--text-main); text-decoration: none; }
.demo-header > a > span:last-child { display: grid; gap: 1px; }
.demo-header b { font-size: 13px; letter-spacing: .02em; }
.demo-header small { color: var(--text-sub); font-size: 8px; letter-spacing: .13em; }
.demo-header > span { color: var(--gold-light); font: 700 9px 'Oswald', sans-serif; letter-spacing: .22em; }
.demo-logo {
  width: 36px; height: 36px; display: grid; place-items: center; border: 1px solid var(--gold);
  color: var(--gold-light); background: rgba(212,168,67,.1); font: 900 11px 'Oswald', sans-serif;
}
#app { min-width: 0; outline: none; }
.demo-footer { padding: 13px 24px; border-top: 1px solid var(--card-border); color: var(--text-dim); font-size: 9px; }

.demo-selection { width: min(1180px, calc(100% - 40px)); margin: 0 auto; padding: 34px 0 42px; }
.demo-section-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.demo-section-head p, .demo-result > p, .demo-loading > p, .demo-error > p {
  margin-bottom: 7px; color: var(--gold); font: 700 9px 'Oswald', sans-serif; letter-spacing: .22em;
}
.demo-section-head h1 { margin-bottom: 7px; font-size: clamp(22px, 3vw, 36px); line-height: 1.25; }
.demo-section-head span { color: var(--text-sub); font-size: 11px; }
.demo-section-head .demo-battle-guide { display: block; max-width: 780px; line-height: 1.85; }
.demo-section-head > strong {
  flex: 0 0 auto; padding: 7px 10px; border: 1px solid var(--gold-dim); color: var(--gold-light);
  font: 700 9px 'Oswald', sans-serif; letter-spacing: .18em;
}
.demo-fighter-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.demo-fighter-card {
  position: relative; min-width: 0; padding: 0; overflow: hidden; text-align: left; cursor: pointer;
  border: 1px solid var(--card-border); border-radius: 4px; background: var(--card-bg);
  transition: border-color .15s, box-shadow .15s, transform .15s;
}
.demo-fighter-card:hover { border-color: rgba(212,168,67,.42); transform: translateY(-2px); }
.demo-fighter-card.selected { border: 2px solid var(--gold-light); box-shadow: 0 0 0 3px rgba(212,168,67,.22), 0 12px 28px rgba(0,0,0,.35); background: linear-gradient(180deg, rgba(212,168,67,.16), var(--card-bg) 38%); }
.demo-fighter-grid.has-selection .demo-fighter-card:not(.selected) { opacity: .64; }
.demo-fighter-art {
  position: relative; height: 242px; overflow: hidden; display: flex; align-items: end; justify-content: center;
  background: radial-gradient(circle at 50% 30%, rgba(212,168,67,.12), transparent 55%), var(--portrait-bg);
  border-bottom: 1px solid var(--card-border);
}
.demo-fighter-art::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(6,6,6,.66)); pointer-events: none; }
.demo-fighter-art img { width: 100%; height: 100%; object-fit: contain; object-position: bottom center; filter: brightness(.96) contrast(1.03); transform: scale(1.06); transform-origin: bottom center; }
.demo-fighter-info { padding: 12px; }
.demo-fighter-head { display: flex; justify-content: space-between; align-items: start; gap: 8px; margin-bottom: 10px; }
.demo-fighter-head span { display: block; margin-bottom: 3px; color: var(--text-sub); font: 700 7px 'Oswald', sans-serif; letter-spacing: .13em; text-transform: uppercase; }
.demo-fighter-head h2 { font-size: 16px; line-height: 1.25; }
.demo-fighter-head em {
  min-width: 43px; padding: 5px; display: grid; place-items: center; border: 1px solid var(--gold-dim);
  color: var(--gold-light); font: normal 700 18px 'Oswald', sans-serif;
}
.demo-fighter-head em small { color: var(--gold); font-size: 6px; letter-spacing: .1em; }
.demo-ability-bars { display: grid; gap: 4px; }
.demo-ab-row { display: grid; grid-template-columns: 44px 1fr 22px; align-items: center; gap: 5px; }
.demo-ab-row > span { color: var(--text-sub); font-size: 8px; }
.demo-ab-row > i { height: 4px; overflow: hidden; border-radius: 2px; background: rgba(255,255,255,.04); }
.demo-ab-row > i b { display: block; height: 100%; background: linear-gradient(90deg, var(--gold), var(--gold-light)); }
.demo-ab-row > strong { color: var(--text-sub); font: 700 9px 'Oswald', sans-serif; text-align: right; }
.demo-fighter-info > p { min-height: 3.3em; margin-top: 10px; color: var(--text-sub); font-size: 9px; line-height: 1.65; }
.demo-selected { position: absolute; top: 9px; left: 9px; z-index: 2; display: grid; gap: 2px; min-width: 90px; padding: 6px 8px; color: #161109; background: var(--gold-light); box-shadow: 0 3px 12px rgba(0,0,0,.45); font: 900 9px 'Oswald', sans-serif; letter-spacing: .12em; }
.demo-selected small { font: 700 8px 'Noto Sans JP', sans-serif; letter-spacing: .06em; }
.demo-matchup {
  width: min(680px, 100%); margin: 18px auto 0; padding: 12px 16px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 14px;
  border: 1px solid var(--gold-dim); border-radius: 4px; background: rgba(212,168,67,.06);
}
.demo-matchup div { display: grid; gap: 2px; }.demo-matchup .right { text-align: right; }
.demo-matchup small { color: var(--text-dim); font: 700 7px 'Oswald', sans-serif; letter-spacing: .15em; }
.demo-matchup strong { font-size: 14px; }.demo-matchup b { color: var(--gold-light); font: 900 20px 'Oswald', sans-serif; }
.demo-selection-actions { display: flex; justify-content: center; margin-top: 14px; }
.demo-start-button, .demo-result-actions button, .demo-store-links a, .demo-error button {
  min-height: 44px; padding: 10px 20px; border: 1px solid var(--gold); border-radius: 3px;
  color: #171109; background: var(--gold-light); font-weight: 900; font-size: 12px; cursor: pointer; text-decoration: none;
}
.demo-start-button { width: min(430px, 100%); }
.demo-start-button:disabled { border-color: var(--card-border); color: var(--text-dim); background: var(--card-bg); cursor: default; }

.demo-loading, .demo-error, .demo-result { width: min(760px, calc(100% - 32px)); margin: auto; padding: 70px 0; text-align: center; }
.demo-loading { min-height: calc(100dvh - 114px); display: flex; flex-direction: column; align-items: center; justify-content: center; }
.demo-loading h1, .demo-error h1 { margin-bottom: 9px; font-size: 24px; }.demo-loading span, .demo-error span { color: var(--text-sub); font-size: 11px; }
.waiting-pulse { width: 30px; height: 30px; margin-bottom: 18px; border: 2px solid rgba(212,168,67,.18); border-top-color: var(--gold); border-radius: 50%; animation: waitSpin .8s linear infinite; }

.battle-active { overflow: hidden; }
.battle-active .demo-header, .battle-active .demo-footer { display: none; }
.battle-active .demo-shell { display: block; min-height: 0; }
.demo-battle-frame { position: fixed; inset: 0; z-index: 500; background: #000; }
.demo-battle-frame iframe { display: block; width: 100%; height: 100%; border: 0; background: #000; }
.demo-battle-exit {
  position: fixed; top: max(10px, env(safe-area-inset-top)); right: 10px; z-index: 10000; opacity: 0; pointer-events: none;
  padding: 6px 12px; border: 1px solid rgba(255,255,255,.3); border-radius: 6px; color: #fff; background: rgba(0,0,0,.62); font-size: 10px; cursor: pointer; transition: opacity .3s;
}
.demo-battle-exit.visible { opacity: .72; pointer-events: auto; }

.demo-result { text-align: left; }
.demo-result h1 { margin-bottom: 22px; color: var(--gold-light); font-size: clamp(32px, 6vw, 58px); }
.demo-result-summary { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.demo-result-summary > div { padding: 14px; border: 1px solid var(--card-border); background: var(--card-bg); }
.demo-result-summary small { display: block; margin-bottom: 5px; color: var(--text-dim); font-size: 8px; }.demo-result-summary strong { font-size: 14px; }
.demo-product-message { margin: 16px 0; padding: 18px; display: grid; gap: 10px; border-left: 2px solid var(--gold); background: rgba(255,255,255,.025); }
.demo-product-message strong { color: var(--gold-light); font-size: 12px; }.demo-product-message span { color: var(--text-sub); font-size: 11px; line-height: 1.8; }
.demo-result-actions, .demo-store-links { display: flex; flex-wrap: wrap; gap: 8px; }
.demo-result-actions button { flex: 1; min-width: 210px; }
.demo-result-actions button + button { color: var(--text-main); background: var(--card-bg); border-color: var(--card-border); }
.demo-store-links { margin-top: 8px; }.demo-store-links a { flex: 1; min-width: 180px; text-align: center; }
.demo-error button { display: block; margin: 20px auto 0; }
.noscript { margin: 20px; padding: 16px; color: white; background: #7b2430; text-align: center; }

@media (max-width: 920px) {
  .demo-fighter-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .demo-fighter-card { display: grid; grid-template-columns: 140px minmax(0,1fr); }
  .demo-fighter-art { height: 100%; min-height: 250px; border-right: 1px solid var(--card-border); border-bottom: 0; }
}

@media (max-width: 620px) {
  .demo-header { padding-inline: 12px; }.demo-header > span { display: none; }
  .demo-selection { width: calc(100% - 20px); padding: 22px 0 28px; }
  .demo-section-head { align-items: start; }.demo-section-head > strong { display: none; }
  .demo-section-head h1 { font-size: 22px; }.demo-section-head span { font-size: 10px; line-height: 1.6; }
  .demo-fighter-grid { grid-template-columns: 1fr; }
  .demo-fighter-card { grid-template-columns: 104px minmax(0,1fr); }
  .demo-fighter-art { min-height: 190px; }
  .demo-fighter-info { padding: 10px; }.demo-fighter-head { margin-bottom: 7px; }.demo-fighter-head h2 { font-size: 15px; }
  .demo-fighter-info > p { min-height: 0; margin-top: 7px; font-size: 8px; }.demo-ab-row { grid-template-columns: 41px 1fr 20px; }
  .demo-matchup { padding: 10px; }.demo-matchup strong { font-size: 11px; }
  .demo-selection-actions { position: sticky; z-index: 10; bottom: max(8px, env(safe-area-inset-bottom)); }
  .demo-start-button { box-shadow: 0 8px 28px rgba(0,0,0,.7); }
  .demo-footer { padding-inline: 12px; }
  .demo-result { padding: 42px 0; }.demo-result-summary { grid-template-columns: 1fr; }.demo-result-actions { display: grid; }.demo-result-actions button { min-width: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 1ms !important; transition-duration: 1ms !important; }
}