:root {
  --bg: #000000;
  --fg: #f5f5f5;
  --green: #00ff66;
  --cyan: #00e5ff;
  --yellow: #fff000;
  --red: #ff4040;
  --blue: #4a7dff;
  --magenta: #ff4dff;
  --white: #ffffff;
  --dim: #7fd17f;
  --border: #00ff66;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--fg);
  font-family: "MS Gothic", "Osaka-Mono", "Noto Sans Mono CJK JP", "Courier New", monospace;
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: 0.02em;
}

a {
  color: var(--cyan);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  color: var(--bg);
  background: var(--yellow);
  outline: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

.screen {
  width: min(96vw, 980px);
  margin: 0 auto;
  padding: 12px 14px 24px;
}

.status-bar,
.footer-status {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding: 6px 8px;
  border: 1px solid var(--green);
  color: var(--green);
  font-size: 0.92rem;
}

.footer-status {
  margin-top: 18px;
  color: var(--yellow);
  border-color: var(--yellow);
  justify-content: space-between;
}

.disclaimer-line {
  width: 100%;
  color: var(--yellow);
  border-top: 1px solid rgba(255, 240, 0, 0.25);
  padding-top: 6px;
  letter-spacing: 0.04em;
}

.footer-status p,
.site-header p,
.panel p,
.panel li,
.panel dd,
.panel dt {
  margin-top: 0;
}

.frame-line {
  overflow: hidden;
  color: var(--blue);
  white-space: nowrap;
  margin: 10px 0;
}

.site-header {
  padding: 10px 8px 2px;
  position: relative;
}

.site-header > :not(.machine-line) {
  max-width: calc(100% - 250px);
}

.sub-header {
  padding-bottom: 8px;
}

.header-band {
  position: relative;
}

.system-line {
  color: var(--green);
}

.logo,
.page-title {
  margin: 4px 0;
  color: var(--cyan);
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: 0.06em;
}

.logo-jp {
  color: var(--yellow);
  font-size: 1.15rem;
}

.tagline {
  color: var(--white);
}

.machine-line {
  display: block;
  margin-bottom: 0;
  padding-top: 4px;
  color: var(--dim);
  border-top: 1px solid rgba(0, 229, 255, 0.45);
  white-space: nowrap;
}

.machine-label {
  color: var(--yellow);
}

.menu-box,
.panel {
  border: 1px solid var(--border);
  padding: 10px 12px;
  background: transparent;
}

.menu-box {
  margin: 14px 0 18px;
}

.box-title {
  margin-bottom: 10px;
  color: var(--yellow);
}

.menu-list,
.news-list,
.mono-list,
.step-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.menu-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.menu-list a {
  display: inline-block;
  padding: 2px 4px;
  border: 1px solid transparent;
}

.menu-list a:hover,
.menu-list a:focus-visible {
  border-color: var(--bg);
}

.menu-hint {
  margin: 10px 0 0;
  color: var(--dim);
}

.control-box {
  border-color: var(--yellow);
}

.control-box .box-title {
  color: var(--cyan);
}

.control-box .menu-hint {
  color: var(--white);
}

.control-box a {
  color: var(--yellow);
}

.control-box a:hover,
.control-box a:focus-visible {
  background: var(--cyan);
  color: var(--bg);
  border-color: var(--bg);
}

.lang-box {
  margin: 0;
  border-color: var(--magenta);
}

.header-lang-box {
  position: absolute;
  top: 10px;
  right: 0;
  min-width: 220px;
  z-index: 1;
}

.lang-box .box-title {
  color: var(--magenta);
}

.lang-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  padding: 0;
  margin: 0;
}

.lang-list a {
  display: inline-block;
  padding: 2px 6px;
  border: 1px solid var(--magenta);
  color: var(--white);
}

.lang-list a:hover,
.lang-list a:focus-visible {
  background: var(--magenta);
  color: var(--bg);
}

.lang-list a.is-active {
  background: var(--magenta);
  color: var(--bg);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(260px, 0.85fr);
  gap: 16px;
  margin: 14px 0 18px;
  align-items: start;
}

.hero-menu {
  margin: 0;
}

.hero-side {
  display: grid;
  gap: 16px;
  align-items: start;
}

.hero-menu .menu-list {
  display: grid;
  gap: 8px;
}

.hero-menu .menu-list a {
  display: block;
}

.hero-news {
  min-width: 0;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.home-grid {
  align-items: start;
}

.wide-panel {
  grid-column: 1 / -1;
}

.info-grid {
  display: grid;
  grid-template-columns: 10ch 1fr;
  gap: 4px 12px;
}

.info-grid dt {
  color: var(--magenta);
}

.info-grid dd {
  margin-left: 0;
}

.note-text {
  color: var(--dim);
}

.compact-news li,
.news-list li,
.mono-list li,
.step-list li {
  padding: 4px 0;
  border-bottom: 1px solid rgba(0, 255, 102, 0.35);
}

.news-list li:last-child,
.mono-list li:last-child,
.step-list li:last-child,
.compact-news li:last-child {
  border-bottom: 0;
}

.news-date {
  display: inline-block;
  width: 9ch;
  color: var(--yellow);
}

.inline-link {
  color: var(--magenta);
}

.image-panel {
  display: flex;
  flex-direction: column;
}

.art-frame {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--magenta);
  min-height: 320px;
  display: grid;
  place-items: center;
}

.image-caption {
  margin-top: 8px;
  color: var(--dim);
}

.promo-frame {
  min-height: 0;
}

.promo-frame img {
  width: 100%;
}

.guide-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(220px, 0.9fr);
  gap: 16px;
  align-items: start;
}

.guide-card {
  border: 1px solid var(--magenta);
  padding: 10px;
  display: grid;
  gap: 8px;
}

.compact-guide {
  margin-top: 12px;
}

.guide-figure {
  margin: 0;
  border: 1px solid rgba(255, 77, 255, 0.55);
  padding: 8px;
  display: grid;
  place-items: center;
  min-height: 180px;
}

.guide-figure img {
  max-height: 220px;
  width: auto;
}

.guide-message p:last-child {
  margin-bottom: 0;
}

.quick-columns,
.hall-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.label-line {
  color: var(--cyan);
  margin-bottom: 4px;
}

.catalog-log,
.session-log {
  margin: 0;
  padding: 8px;
  border: 1px solid var(--blue);
  color: var(--white);
  overflow-x: auto;
  background: rgba(0, 0, 0, 0.65);
  font-size: 0.95rem;
}

.catalog-board {
  border: 1px solid var(--blue);
  padding: 8px;
  background: rgba(0, 0, 0, 0.65);
}

.catalog-area + .catalog-area {
  margin-top: 14px;
}

.catalog-area-title {
  margin-bottom: 6px;
  color: var(--yellow);
  border-bottom: 1px solid rgba(74, 125, 255, 0.65);
  padding-bottom: 4px;
}

.catalog-entry {
  display: grid;
  grid-template-columns: 6ch minmax(11ch, 16ch) 9ch minmax(0, 1fr);
  gap: 8px;
  padding: 4px 0;
  border-bottom: 1px solid rgba(0, 255, 102, 0.2);
  align-items: start;
}

.catalog-entry:last-child {
  border-bottom: 0;
}

.catalog-booth {
  color: var(--cyan);
}

.catalog-name {
  color: var(--white);
}

.catalog-genre {
  color: var(--magenta);
}

.catalog-desc {
  color: var(--dim);
}

.step-list {
  counter-reset: flow;
}

.step-list li::before {
  counter-increment: flow;
  content: counter(flow) ". ";
  color: var(--cyan);
}

.accent-cyan {
  color: var(--cyan);
}

.accent-yellow {
  color: var(--yellow);
}

.accent-magenta {
  color: var(--magenta);
}

.boot-screen {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: #000;
  color: var(--green);
  z-index: 10;
  transition: opacity 0.25s linear, visibility 0.25s linear;
}

.skip-boot .boot-screen {
  display: none;
}

.boot-screen.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.boot-frame {
  width: min(92vw, 700px);
  padding: 16px;
  border: 1px solid var(--green);
}

.boot-frame p {
  margin: 0 0 10px;
  visibility: hidden;
}

.boot-frame p.is-visible {
  visibility: visible;
}

.cursor {
  display: inline-block;
  animation: blink 0.9s steps(1, end) infinite;
}

.blink {
  animation: blink 1s steps(1, end) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

@media (max-width: 760px) {
  body {
    font-size: 14px;
  }

  .screen {
    width: min(100vw, 980px);
    padding: 8px 8px 20px;
  }

  .site-header {
    padding: 8px 4px 2px;
  }

  .site-header > :not(.machine-line) {
    max-width: none;
  }

  .page-title {
    font-size: clamp(1.8rem, 9vw, 2.6rem);
  }

  .menu-box,
  .panel,
  .guide-card {
    padding: 8px 10px;
  }

  .content-grid,
  .hero-grid,
  .quick-columns,
  .hall-grid,
  .guide-layout {
    grid-template-columns: 1fr;
  }

  .header-band {
    display: grid;
    gap: 8px;
  }

  .header-lang-box {
    position: static;
    min-width: 0;
  }

  .status-bar,
  .footer-status {
    gap: 4px;
    flex-direction: column;
    align-items: flex-start;
  }

  .menu-list {
    display: grid;
    gap: 6px;
  }

  .lang-list {
    display: grid;
    gap: 6px;
  }

  .lang-list a {
    display: block;
  }

  .menu-list a {
    display: block;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }

  .news-date {
    width: auto;
    margin-right: 10px;
  }

  .guide-figure {
    min-height: 0;
  }

  .guide-figure img {
    max-height: 180px;
  }

  .catalog-log,
  .session-log,
  .catalog-board {
    padding: 6px;
    font-size: 0.82rem;
    line-height: 1.45;
  }

  .catalog-entry {
    grid-template-columns: 1fr;
    gap: 2px;
    padding: 8px 0;
  }

  .catalog-booth,
  .catalog-genre {
    display: inline-block;
  }

  .catalog-name {
    font-size: 1rem;
  }

  .catalog-desc {
    color: var(--white);
  }

  .footer-status p {
    width: 100%;
    margin-bottom: 0;
  }
}