/* =============================================================================
   pokemonsurvivor.online — homepage styles
   Dark navy canvas + yellow brand, card-based reference layout.
   ============================================================================= */
:root {
  --canvas:      #070c1a;
  --canvas-2:    #0b1226;
  --card:        #0f1729;
  --card-2:      #141d33;
  --line:        #1e2b47;
  --line-soft:   #172340;
  --ink:         #e9eefb;
  --muted:       #a6b2cb;
  --faint:       #6f7d99;
  --brand:       #ffcb05;
  --brand-2:     #ff5d73;
  --violet:      #6b58ff;
  --ok:          #35d29a;
  --grad:        linear-gradient(135deg, var(--brand), #ffa62b);
  --brand-soft:  rgba(255,203,5,.12);
  --radius:      16px;
  --radius-lg:   22px;
  --shadow:      0 20px 60px rgba(0,0,0,.45);
  --maxw:        1160px;
  --font: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, "Noto Sans JP", sans-serif;
}
*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0; background: var(--canvas); color: var(--ink);
  font-family: var(--font); font-size: 16px; line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
h1,h2,h3,h4 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
ul,ol,dl { margin: 0; padding: 0; list-style: none; }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--brand); color: #1a1200; padding: 12px 20px; border-radius: 0 0 10px 0; font-weight: 700;
}
.skip:focus { left: 0; }

.shell { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.display { font-size: clamp(24px, 3.2vw, 38px); font-weight: 800; text-wrap: balance; }
.lead { color: var(--muted); font-size: 1.03rem; max-width: 62ch; }
.note { color: var(--faint); font-size: .82rem; margin: 14px 0 0; }
.brand-text, .label, .chip-brand, .btn-primary, .hub-num { color: var(--brand); }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(7,12,26,.86); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-soft);
}
.header-inner { display: flex; align-items: center; gap: 16px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -.01em; }
.brand-mark { flex-shrink: 0; }
.brand-name { font-size: 1.06rem; white-space: nowrap; }
.brand-tld { color: var(--brand); }
.main-nav { margin: 0 auto; display: flex; gap: 2px; }
.main-nav a {
  padding: 8px 13px; border-radius: 999px; font-size: .88rem; font-weight: 600;
  color: var(--muted); transition: color .2s, background .2s;
}
.main-nav a:hover { color: var(--ink); background: rgba(255,255,255,.06); }
.header-actions { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.lang { position: relative; }
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  height: 38px; padding: 0 13px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--card);
  color: var(--muted); font-size: .82rem; font-weight: 700; letter-spacing: .06em;
}
.chip:hover { color: var(--ink); border-color: rgba(255,203,5,.55); }
.lang-menu {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 172px;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 6px; box-shadow: var(--shadow); z-index: 90;
}
.lang-menu[hidden] { display: none; }
.lang-opt {
  display: block; width: 100%; text-align: left; padding: 9px 12px; border-radius: 8px;
  font-size: .87rem; color: var(--muted);
}
.lang-opt:hover { background: var(--card-2); color: var(--ink); }
.lang-opt.active { color: var(--brand); background: var(--brand-soft); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 24px; border-radius: 999px; font-weight: 800; font-size: .95rem;
  transition: transform .15s, filter .2s, border-color .2s, background .2s;
  white-space: nowrap;
}
.btn-primary { background: var(--grad); color: #1a1200; box-shadow: 0 14px 34px -12px rgba(255,203,5,.7); }
.btn-primary:hover { transform: translateY(-2px); filter: brightness(1.06); }
.btn-ghost { background: var(--card); border: 1px solid var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--brand); }
.btn-sm { padding: 10px 18px; font-size: .86rem; }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line-soft); padding: 54px 0 46px; }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(90px); pointer-events: none; }
.hero-glow-a { width: 34rem; height: 34rem; left: -14rem; top: -16rem; background: rgba(255,203,5,.13); }
.hero-glow-b { width: 30rem; height: 30rem; right: -12rem; top: 2rem; background: rgba(107,88,255,.2); }
.hero-grid { position: relative; display: grid; gap: 40px; align-items: center; grid-template-columns: 1.12fr .88fr; }
.chip-brand {
  display: inline-flex; align-items: center; height: 32px; padding: 0 14px; border-radius: 999px;
  background: var(--brand-soft); border: 1px solid rgba(255,203,5,.35);
  font-size: .78rem; font-weight: 700; letter-spacing: .04em; margin: 0 0 16px;
}
.hero h1 { margin: 0 0 18px; }
.hero h1 .brand-text { display: block; }
.hero h1 span { display: block; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0 0; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 32px 0 0; }
.stat {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px;
}
.stat dt { font-size: 1.5rem; font-weight: 800; color: var(--brand); line-height: 1.1; }
.stat dd { margin: 2px 0 0; font-size: .74rem; color: var(--muted); line-height: 1.35; }

/* ---------- cards ---------- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card-hover { transition: transform .2s, border-color .2s, background .2s; }
.card-hover:hover { transform: translateY(-3px); border-color: rgba(255,203,5,.5); background: var(--card-2); }
.tex-grid {
  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: 34px 34px;
}
.sprite-card { padding: 20px; }
.sprite-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.sprite-row li { display: flex; align-items: flex-end; justify-content: center; }
.sprite-row img { height: 68px; width: auto; image-rendering: auto; filter: drop-shadow(0 6px 10px rgba(0,0,0,.5)); }
.sprite-row li { animation: bob 2.6s ease-in-out infinite; animation-delay: var(--d, 0s); }
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }
@media (prefers-reduced-motion: reduce) { .sprite-row li { animation: none; } html { scroll-behavior: auto; } }
.sprite-credit { margin: 14px 0 0; text-align: center; font-size: .68rem; color: var(--faint); }

/* ---------- play ---------- */
.play-section { padding: 40px 0 8px; }
.play-frame {
  position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius-lg); overflow: hidden;
  background: #000; border: 1px solid var(--line); box-shadow: var(--shadow);
}
.play-frame.fullscreen { border-radius: 0; aspect-ratio: auto; height: 100dvh; }
.play-cover {
  position: absolute; inset: 0; display: grid; place-items: center; align-content: center; gap: 4px;
  background: #070c1c url("/cover.jpg") center/cover no-repeat; text-align: center; padding: 24px;
}
.play-frame.is-playing .play-cover { display: none; }
.play-cover-title { position: relative; z-index: 2; font-size: clamp(22px, 3.4vw, 38px); font-weight: 900; margin: 0; text-shadow: 0 8px 30px rgba(0,0,0,.8); }
.play-btn {
  position: relative; z-index: 2; display: inline-flex; align-items: center; gap: 12px;
  margin-top: 14px; padding: 16px 32px; border-radius: 999px;
  background: var(--grad); color: #1a1200; font-weight: 900; font-size: 1rem;
  border: 2px solid rgba(255,255,255,.55); box-shadow: 0 18px 50px rgba(255,168,43,.45);
}
.play-btn:hover { transform: translateY(-2px); }
.play-btn svg { width: 22px; height: 22px; }
.play-hint { position: relative; z-index: 2; margin: 14px 0 0; font-size: .8rem; color: #b9c4dc; }
.play-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; display: none; background: #000; }
.play-frame.is-playing iframe { display: block; }
.play-frame.loading .play-cover { filter: saturate(.6) brightness(.7); }
.play-frame.loading .play-btn { pointer-events: none; opacity: .7; }
.exit-btn {
  position: absolute; top: 12px; right: 12px; z-index: 5;
  padding: 9px 15px; border-radius: 999px; background: rgba(7,12,26,.82);
  border: 1px solid var(--line); color: var(--ink); font-size: .8rem; font-weight: 700;
  backdrop-filter: blur(6px);
}
.exit-btn[hidden] { display: none; }

.play-toolbar {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  margin-top: 14px; padding: 12px 16px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
}
.toolbar-info { display: flex; align-items: center; gap: 12px; flex: 1; min-width: 240px; }
.toolbar-info img { width: 56px; height: 32px; object-fit: cover; border-radius: 6px; flex-shrink: 0; }
.toolbar-info strong { display: block; font-size: .95rem; }
.toolbar-info span { font-size: .8rem; color: var(--muted); }
.toolbar-actions { display: flex; gap: 8px; }
.icon-btn {
  width: 40px; height: 40px; display: inline-grid; place-items: center; border-radius: 10px;
  border: 1px solid var(--line); background: var(--card-2); color: var(--muted); font-size: 1.05rem;
}
.icon-btn:hover { color: var(--ink); border-color: var(--brand); }
.fact-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 0; }
.fact-chips li {
  font-size: .78rem; color: var(--muted); background: var(--canvas-2);
  border: 1px solid var(--line-soft); border-radius: 999px; padding: 6px 13px;
}

/* ---------- sections ---------- */
.section { padding: 46px 0 8px; }
.section-head { max-width: 72ch; margin-bottom: 24px; }
.section-head p { color: var(--muted); }
.label { font-size: .74rem; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; margin: 0 0 10px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.card-list { display: grid; gap: 14px; }
.card-list h3, .grid-4 h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.grid-4 p, .card-list p { margin: 0; font-size: .9rem; color: var(--muted); }
.prose p { color: var(--muted); margin: 0 0 14px; }
.prose p:last-child { margin-bottom: 0; }
.prose strong { color: var(--ink); }

.steps { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.steps li { position: relative; padding-top: 26px; }
.step-n {
  position: absolute; top: -12px; left: 20px;
  display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%;
  background: var(--grad); color: #1a1200; font-weight: 900; font-size: .85rem;
}
.steps h3 { font-size: 1rem; margin-bottom: 6px; }
.steps p { margin: 0; font-size: .9rem; color: var(--muted); }

.grid-hub { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.hub-card { display: flex; flex-direction: column; }
.hub-num { font-size: 2.6rem; font-weight: 900; line-height: 1; margin: 4px 0 2px; }
.hub-sub { font-size: .78rem; color: var(--muted); margin: 0 0 10px; font-weight: 600; }
.hub-card p:last-child { margin: 0; font-size: .88rem; color: var(--muted); }

.mini-table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.mini-table td { padding: 11px 0; border-bottom: 1px solid var(--line-soft); color: var(--muted); }
.mini-table tr:last-child td { border-bottom: 0; }
.pill { display: inline-block; min-width: 54px; text-align: center; padding: 4px 10px; border-radius: 8px; font-weight: 800; font-size: .85rem; }
.pill-up { background: rgba(53,210,154,.16); color: var(--ok); }
.pill-down { background: rgba(255,93,115,.16); color: var(--brand-2); }
.pill-flat { background: rgba(111,125,153,.2); color: var(--muted); }
.pill-cap { background: rgba(255,203,5,.16); color: var(--brand); }

.plain-list { display: grid; gap: 10px; font-size: .93rem; color: var(--muted); }
.plain-list strong { color: var(--ink); }
.plain-list li { padding-left: 18px; position: relative; }
.plain-list li::before { content: "▸"; position: absolute; left: 0; color: var(--brand); }

.region-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.region-card { display: flex; flex-direction: column; gap: 2px; padding: 16px; }
.region-name { font-weight: 700; }
.region-gen { font-size: .72rem; color: var(--faint); }
.region-count { font-size: 1.35rem; font-weight: 900; color: var(--brand); margin-top: 6px; }

.arena-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.arena-grid li {
  font-size: .85rem; font-weight: 600; color: var(--muted); text-align: center;
  background: var(--canvas-2); border: 1px solid var(--line-soft); border-radius: 10px; padding: 8px 6px;
}

.item-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.item-card h4 { font-size: .95rem; margin-bottom: 4px; color: var(--brand); }
.item-card p { margin: 0; font-size: .87rem; color: var(--muted); }

.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-items: start; }
.faq { padding: 0; overflow: hidden; }
.faq summary {
  list-style: none; cursor: pointer; padding: 17px 20px;
  font-size: .98rem; font-weight: 700; display: flex; justify-content: space-between; gap: 12px; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "▾"; color: var(--faint); transition: transform .2s; }
.faq[open] summary::after { transform: rotate(180deg); }
.faq p { margin: 0; padding: 0 20px 18px; color: var(--muted); font-size: .92rem; }

.cta-card { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; padding: 34px; }
.cta-card h2 { margin-bottom: 8px; }
.cta-card p { margin: 0; color: var(--muted); max-width: 60ch; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- run timeline ---------- */
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.timeline li { padding-top: 30px; }
.tl-time {
  position: absolute; display: inline-block;
  font-size: .74rem; font-weight: 800; letter-spacing: .08em;
  background: var(--grad); color: #1a1200; border-radius: 999px; padding: 5px 12px;
}
.timeline h3 { font-size: 1rem; margin: 0 0 6px; }
.timeline p { margin: 0; font-size: .9rem; color: var(--muted); }

/* ---------- guide strip on the homepage ---------- */
.guide-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.guide-mini { display: flex; flex-direction: column; gap: 7px; padding: 18px; }
.guide-mini .guide-tag {
  align-self: flex-start; display: inline-block; padding: 4px 11px; border-radius: 999px;
  background: var(--brand-soft); border: 1px solid rgba(255,203,5,.32);
  color: var(--brand); font-size: .68rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase;
}
.gm-title { font-weight: 700; font-size: 1rem; }
.gm-desc { font-size: .87rem; color: var(--muted); }
.link-strong { color: var(--brand); font-weight: 700; }
.link-strong:hover { text-decoration: underline; }

/* ---------- footer ---------- */
.site-footer { margin-top: 60px; border-top: 1px solid var(--line); background: var(--canvas-2); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 30px; padding: 42px 24px 26px; }
.footer-brand p { margin: 12px 0 0; font-size: .88rem; color: var(--muted); max-width: 42ch; }
.footer-col h4 { font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; color: var(--faint); margin-bottom: 12px; }
.footer-col a { display: block; font-size: .88rem; color: var(--muted); margin-bottom: 7px; }
.footer-col a:hover { color: var(--brand); }
.footer-bottom {
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between;
  padding: 18px 24px; border-top: 1px solid var(--line-soft); font-size: .76rem; color: var(--faint);
}
.footer-bottom span:first-child { max-width: 78ch; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .main-nav { display: none; }
  .header-actions { margin-left: auto; }
}
@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; }
  .grid-2, .grid-4, .grid-hub, .faq-grid, .item-grid, .steps { grid-template-columns: 1fr 1fr; }
  .timeline { grid-template-columns: 1fr 1fr; }
  .guide-strip { grid-template-columns: 1fr 1fr; }
  .region-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .arena-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 680px) {
  .shell { padding: 0 16px; }
  .hero { padding: 34px 0 30px; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .grid-4, .grid-hub, .faq-grid, .item-grid, .steps, .region-grid, .footer-grid { grid-template-columns: 1fr; }
  .timeline, .guide-strip { grid-template-columns: 1fr; }
  .cta-row .btn, .cta-actions .btn { width: 100%; }
  .cta-card { padding: 24px; }
  .sprite-row img { height: 52px; }
  .play-frame { aspect-ratio: 4 / 3; }
  .header-inner { gap: 8px; }
  .btn-sm { padding: 9px 14px; }
}