:root {
  color-scheme: dark;
  --bg: #0b0c10;
  --bg-elevated: rgba(20, 21, 28, 0.88);
  --surface: #14151c;
  --surface-2: #1b1d26;
  --surface-3: #242632;
  --text: #f7f7fb;
  --muted: #a4a7b4;
  --line: rgba(255,255,255,.08);
  --accent: #c8a7ff;
  --accent-2: #8fd3ff;
  --shadow: 0 20px 60px rgba(0,0,0,.28);
  --radius: 22px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f5f4f8;
  --bg-elevated: rgba(250, 249, 252, .92);
  --surface: #ffffff;
  --surface-2: #f3f1f7;
  --surface-3: #ebe8f0;
  --text: #17151d;
  --muted: #6f6a79;
  --line: rgba(23,21,29,.09);
  --accent: #7859ad;
  --accent-2: #337ca4;
  --shadow: 0 18px 50px rgba(37,28,51,.10);
}

* { box-sizing: border-box; }
html { background: var(--bg); scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 8% -5%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 36rem),
    radial-gradient(circle at 100% 18%, color-mix(in srgb, var(--accent-2) 11%, transparent), transparent 34rem),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.viewer-open { overflow: hidden; }
button { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }

.app-shell { width: min(1180px, 100%); margin: 0 auto; padding-bottom: calc(24px + var(--safe-bottom)); }
.topbar {
  position: sticky;
  z-index: 20;
  top: 0;
  padding: calc(14px + var(--safe-top)) 18px 12px;
  background: linear-gradient(to bottom, var(--bg-elevated) 72%, transparent);
  backdrop-filter: blur(22px) saturate(140%);
}
.brand-row { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 15px; display: grid; place-items: center;
  font-size: 22px; color: #120f16;
  background: linear-gradient(135deg, #e6c7ff, #9edfff);
  box-shadow: 0 8px 30px rgba(162,122,255,.25);
}
.brand-copy { min-width: 0; flex: 1; }
.brand-copy h1 { margin: 0; font-size: 20px; letter-spacing: -.02em; }
.brand-copy p { margin: 2px 0 0; color: var(--muted); font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.header-actions { display: flex; gap: 7px; }
.icon-button {
  border: 1px solid var(--line); color: var(--text); background: var(--surface);
  width: 39px; height: 39px; border-radius: 13px; cursor: pointer;
  transition: transform .16s ease, background .16s ease;
}
.icon-button:active { transform: scale(.94); }
.icon-button:hover { background: var(--surface-2); }
.install-button { color: var(--accent); font-weight: 800; font-size: 22px; }

.region-tabs { display: flex; gap: 8px; margin-top: 11px; overflow-x: auto; scrollbar-width: none; padding-bottom: 2px; }
.region-tabs::-webkit-scrollbar { display: none; }
.region-tab {
  flex: none; border: 1px solid var(--line); border-radius: 999px; padding: 8px 12px;
  background: var(--surface); color: var(--muted); font-size: 13px; cursor: pointer;
  transition: all .18s ease;
}
.region-tab span { margin-left: 3px; opacity: .7; font-size: 11px; }
.region-tab.is-active { color: #17121d; border-color: transparent; background: linear-gradient(135deg, #dcc3ff, #a7dcff); font-weight: 750; }

main { padding: 2px 18px 30px; }
.hero { display: flex; align-items: end; justify-content: space-between; margin: 20px 2px 14px; }
.eyebrow { display: block; color: var(--accent); font-size: 10px; font-weight: 800; letter-spacing: .16em; }
.hero h2 { margin: 4px 0 0; font-size: clamp(26px, 5vw, 38px); letter-spacing: -.04em; }
.visible-count { color: var(--muted); font-size: 12px; padding-bottom: 5px; }

.news-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 16px;
  scroll-margin-top: 150px;
}
.news-card {
  min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 96%, transparent); box-shadow: var(--shadow);
  content-visibility: auto; contain-intrinsic-size: 520px;
}
.card-image-link {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  color: inherit;
  background: transparent;
  text-align: inherit;
  cursor: zoom-in;
}
.card-image-link:disabled { cursor: default; }
.card-image-wrap { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: linear-gradient(135deg, var(--surface-2), var(--surface-3)); }
.card-image {
  width: 100%; height: 100%; max-width: 100%; object-fit: cover; object-position: center;
  display: block; transition: transform .35s ease;
}
.news-card:hover .card-image { transform: scale(1.02); }
.image-fallback { position: absolute; inset: 0; display: none; place-items: center; font-size: 42px; color: color-mix(in srgb, var(--accent) 55%, var(--muted)); background: radial-gradient(circle at 30% 20%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 48%), var(--surface-2); }
.card-image-wrap.is-fallback .card-image { display: none; }
.card-image-wrap.is-fallback .image-fallback { display: grid; }
.region-badge { position: absolute; left: 12px; bottom: 12px; border-radius: 999px; padding: 6px 9px; color: #fff; background: rgba(8,9,13,.68); backdrop-filter: blur(12px); font-size: 11px; font-weight: 750; }
.card-content { padding: 15px 16px 16px; }
.card-meta { display: flex; gap: 9px; align-items: center; color: var(--muted); font-size: 11px; }
.platform { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 1; }
.published { flex: none; }
.card-title { margin: 9px 0 8px; font-size: 18px; line-height: 1.45; letter-spacing: -.015em; overflow-wrap: anywhere; }
.card-body { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; white-space: pre-line; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.news-card.is-expanded .card-body { display: block; }
.card-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.more-button, .source-button { border-radius: 12px; min-height: 38px; padding: 9px 12px; font-size: 12px; font-weight: 700; text-decoration: none; cursor: pointer; }
.more-button { color: var(--text); border: 1px solid var(--line); background: var(--surface-2); }
.source-button { margin-left: auto; color: #17121d; background: linear-gradient(135deg, #dcc3ff, #a7dcff); border: 0; }

.pagination {
  display: grid;
  grid-template-columns: minmax(92px, 1fr) auto minmax(92px, 1fr);
  align-items: center;
  gap: 12px;
  max-width: 520px;
  margin: 26px auto 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  box-shadow: var(--shadow);
}
.pagination[hidden] { display: none; }
.pagination-button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 13px;
  color: var(--text);
  background: var(--surface-2);
  font-size: 13px;
  font-weight: 750;
  cursor: pointer;
  transition: transform .16s ease, background .16s ease, opacity .16s ease;
}
.pagination-button:not(:disabled):hover { background: var(--surface-3); }
.pagination-button:not(:disabled):active { transform: scale(.96); }
.pagination-button:disabled { opacity: .36; cursor: default; }
.pagination-status {
  min-width: 82px;
  display: grid;
  place-items: center;
  gap: 2px;
  color: var(--text);
  text-align: center;
}
.pagination-status strong { font-size: 14px; white-space: nowrap; }
.pagination-status small { color: var(--muted); font-size: 10px; white-space: nowrap; }

.image-viewer {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: grid;
  grid-template-columns: minmax(44px, 1fr) minmax(0, auto) minmax(44px, 1fr);
  align-items: center;
  gap: 8px;
  padding: max(18px, var(--safe-top)) 10px max(18px, var(--safe-bottom));
  background: rgba(3, 4, 7, .94);
  backdrop-filter: blur(18px);
}
.image-viewer[hidden] { display: none; }
.viewer-figure {
  margin: 0;
  min-width: 0;
  max-width: min(1100px, 82vw);
  display: grid;
  place-items: center;
  gap: 10px;
}
.viewer-image {
  max-width: 100%;
  max-height: 84vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 14px;
  box-shadow: 0 24px 80px rgba(0,0,0,.48);
}
.viewer-count { color: #d6d8df; font-size: 12px; }
.viewer-close, .viewer-nav {
  border: 1px solid rgba(255,255,255,.14);
  color: #fff;
  background: rgba(24,25,32,.72);
  backdrop-filter: blur(10px);
  cursor: pointer;
}
.viewer-close {
  position: absolute;
  right: max(14px, env(safe-area-inset-right, 0px));
  top: max(14px, var(--safe-top));
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 28px;
  line-height: 1;
}
.viewer-nav {
  width: 46px;
  height: 58px;
  border-radius: 16px;
  font-size: 36px;
  line-height: 1;
  justify-self: center;
}
.viewer-nav[hidden] { visibility: hidden; }

.empty-state, .error-state { text-align: center; padding: 64px 20px; color: var(--muted); }
.empty-mark { width: 58px; height: 58px; margin: 0 auto 13px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 20px; color: var(--accent); font-size: 28px; background: var(--surface); }
.empty-state h2, .error-state h2 { margin: 0; color: var(--text); font-size: 18px; }
.empty-state p, .error-state p { margin: 8px auto 0; max-width: 36rem; font-size: 13px; line-height: 1.7; }
.primary-button { margin-top: 18px; border: 0; border-radius: 12px; padding: 10px 15px; font-weight: 750; color: #17121d; background: linear-gradient(135deg, #dcc3ff, #a7dcff); cursor: pointer; }
footer { padding: 0 20px 14px; text-align: center; color: var(--muted); font-size: 10px; line-height: 1.6; }

.skeleton { min-height: 420px; background: linear-gradient(105deg, var(--surface) 25%, var(--surface-2) 38%, var(--surface) 51%); background-size: 200% 100%; animation: shimmer 1.25s infinite linear; border-radius: var(--radius); border: 1px solid var(--line); }
@keyframes shimmer { to { background-position-x: -200%; } }
.refreshing #refreshButton { animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 700px) {
  .topbar { padding-left: 14px; padding-right: 14px; }
  main { padding-left: 14px; padding-right: 14px; }
  .brand-mark { width: 40px; height: 40px; border-radius: 13px; }
  .brand-copy h1 { font-size: 18px; }
  .news-grid { grid-template-columns: 1fr; gap: 13px; }
  .news-card { border-radius: 19px; }
  .card-title { font-size: 17px; }
  .pagination {
    grid-template-columns: minmax(82px, 1fr) auto minmax(82px, 1fr);
    gap: 8px;
    margin-top: 20px;
    padding: 8px;
    border-radius: 16px;
  }
  .pagination-button { min-height: 42px; padding: 7px 8px; }
  .pagination-status { min-width: 70px; }
  .image-viewer { grid-template-columns: 42px minmax(0, 1fr) 42px; padding-left: 4px; padding-right: 4px; }
  .viewer-figure { max-width: 100%; }
  .viewer-image { max-height: 78vh; border-radius: 10px; }
  .viewer-nav { width: 38px; height: 50px; border-radius: 13px; font-size: 30px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}