:root {
  color-scheme: dark;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  color: #eee;
  background: #000;
  line-height: 1.8;
  font-size: 15px;
}
* { box-sizing: border-box; }
body { margin: 0; }
a { color: #97f4fe; text-underline-offset: 4px; }
a:hover { color: #feb897; text-decoration: underline; }
a:focus-visible, summary:focus-visible { outline: 2px solid #97f4fe; outline-offset: 5px; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin: 0; }
h1 { font-size: 30px; line-height: 1.5; font-weight: 600; }
h2 { font-size: 21px; font-weight: 600; }
h3 { font-size: 17px; font-weight: 600; }
.site-header, main, .site-footer { width: min(1200px, calc(100% - 48px)); margin: 0 auto; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 25px 0; border-bottom: 1px solid #303030; }
.brand { display: flex; align-items: center; color: #eee; text-decoration: none; font-size: 24px; font-weight: 700; white-space: nowrap; }
.brand img { width: 80px; height: auto; }
.brand span { margin-left: 12px; font-size: 13px; font-weight: 400; }
nav { display: flex; gap: 24px; font-size: 14px; }
nav a { color: #ccc; text-decoration: none; }
nav a[aria-current="page"] { color: #eee; text-decoration: underline; }
.intro, .page-intro { padding: 48px 0 36px; }
.intro { text-align: center; }
.home-logo { width: min(320px, 80%); height: auto; margin: 0 auto 8px; }
.festival-title { display: block; color: #97f4fe; font-size: 22px; font-weight: 400; }
.intro p, .page-intro p { margin-top: 16px; color: #ccc; }
.home-section { margin: 8px 0 42px; }
.section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; padding-bottom: 12px; border-bottom: 1px solid #303030; margin-bottom: 22px; }
.section-heading h2 a { color: inherit; text-decoration: none; }
.section-heading > a { font-size: 13px; }
.home-games { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.home-games > a { color: inherit; text-decoration: none; }
.home-games img { width: 100%; aspect-ratio: 16 / 10; object-fit: contain; background: #0b0b0b; }
.home-games h3 { color: #97f4fe; margin: 12px 0 5px; }
.home-games a:hover h3 { color: #feb897; text-decoration: underline; }
.home-games p { font-size: 13px; color: #ccc; }
.work-entry { padding: 20px 0; }
.home-games + .work-entry { margin-top: 20px; border-top: 1px solid #303030; }
.work-entry p { margin-top: 8px; color: #ccc; }
.note { font-size: 12px; color: #aaa; font-weight: 400; }
h3 .note { margin-left: 14px; }
.work-entry p .note { margin-left: 8px; }
.site-footer { border-top: 1px solid #303030; padding: 24px 0 32px; display: flex; justify-content: space-between; gap: 20px; font-size: 12px; color: #aaa; }
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; }
.footer-links a { display: inline-flex; align-items: center; gap: 8px; color: #aaa; }
.footer-links img { object-fit: contain; }
.play-guide { font-size: 13px; color: #ccc; border-bottom: 1px solid #303030; padding: 0 0 22px; margin-bottom: 20px; }
summary { cursor: pointer; color: #ddd; }
.play-guide p { margin-top: 12px; max-width: 800px; }
.sort-controls { display: flex; align-items: center; gap: 12px; font-size: 13px; color: #ccc; margin: 0 0 20px; }
.sort-controls select { background: #0b0b0b; color: #eee; border: 1px solid #303030; padding: 6px 10px; font-size: 13px; }
.sort-direction { display: inline-flex; gap: 8px; }
.sort-direction button { background: #0b0b0b; color: #ccc; border: 1px solid #303030; padding: 6px 12px; font-size: 13px; cursor: pointer; }
.sort-direction button[aria-pressed="true"] { color: #000; background: #97f4fe; border-color: #97f4fe; }
.game-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px; padding-bottom: 48px; }
.game-card { display: flex; flex-direction: column; color: inherit; text-decoration: none; border-bottom: 1px solid #303030; padding-bottom: 24px; min-width: 0; }
.game-card:hover { text-decoration: none; }
.card-image { background: #0b0b0b; }
.card-image img { width: 100%; height: 240px; object-fit: contain; }
.card-copy { display: flex; flex-direction: column; flex: 1; padding-top: 14px; }
.card-label { font-size: 12px; color: #aaa; }
.card-copy h2 { margin: 5px 0 10px; font-size: 19px; color: #97f4fe; overflow-wrap: anywhere; }
.game-card:hover h2 { color: #feb897; text-decoration: underline; }
.card-copy p { font-size: 13px; color: #ccc; }
.card-action { color: #97f4fe; font-size: 13px; margin-top: auto; padding-top: 14px; text-decoration: underline; }
.new-game { grid-column: 1 / -1; }
.new-game .card-copy { padding-top: 0; }
.others-page { min-height: 65vh; }
.others-page .work-entry { border-top: 1px solid #303030; }
.others-page .work-entry img,
.work-entry img { width: 100%; max-height: 320px; object-fit: contain; background: #0b0b0b; margin: 12px 0; }
.back-link { padding: 32px 0 48px; font-size: 13px; }
.skip-link { position: absolute; left: 12px; top: -100px; padding: 8px 12px; background: #000; z-index: 10; }
.skip-link:focus { top: 12px; }
.game-container { height: 100vh; height: 100dvh; background: #000; }
.game-container iframe { display: block; width: 100%; height: 100%; border: 0; }
.pre-btn { position: fixed; top: 10px; left: 10px; z-index: 5; padding: 6px 12px; background: #000; border: 1px solid #aaa; color: #eee; font-size: 12px; }
@media (max-width: 650px) {
  .site-header, main, .site-footer { width: calc(100% - 36px); }
  .site-header { align-items: flex-start; flex-direction: column; gap: 14px; padding: 18px 0; }
  nav { gap: 24px; font-size: 13px; }
  h1 { font-size: 25px; }
  h2 { font-size: 19px; }
  .intro, .page-intro { padding: 32px 0 28px; }
  .intro p, .page-intro p { font-size: 14px; }
  .home-games { grid-template-columns: 1fr; gap: 24px; }
  .home-games img { max-height: 240px; }
  .game-grid { grid-template-columns: 1fr; gap: 24px; }
  .card-image img { height: auto; max-height: 260px; }
  .site-footer { flex-direction: column; gap: 12px; }
}
.embedded-page { padding: 32px 0 48px; }
.embedded-page { width: min(1400px, calc(100% - 24px)); }
.embedded-page h1 { margin-top: 20px; }
.embedded-note { color: #aaa; margin: 6px 0 18px; }
.embedded-page iframe { display: block; width: 100%; height: min(760px, 75vh); border: 1px solid #303030; background: #000; }
.embedded-page > p:last-child { margin-top: 12px; font-size: 13px; }
@media (max-width: 650px) { .embedded-page iframe { height: 70vh; } }