/* 種市高校体験講座ポスターを基調にした水中テーマ */
:root {
  --sea-black: #020b11;
  --sea-deep: #001d2b;
  --sea-blue: #034963;
  --sea-cyan: #27b8d3;
  --sea-foam: #b8eef4;
  --poster-white: #f8fbfa;
  --poster-muted: #b9dce2;
  --poster-line: rgba(238, 252, 252, 0.72);
  --poster-panel: rgba(1, 18, 27, 0.86);
  --poster-ink: #061217;
  --poster-gold: #f4d37a;
  --display-font: "Avenir Next Condensed", "Arial Narrow", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
}

html,
body,
#app,
button,
a {
  touch-action: manipulation;
}

body {
  font-family: var(--display-font);
  background: var(--sea-black);
  color: var(--poster-white);
  font-weight: 600;
  letter-spacing: 0;
}

#app {
  isolation: isolate;
  padding: 18px;
  background:
    linear-gradient(166deg, transparent 0 18%, rgba(147, 237, 245, 0.08) 18.5%, transparent 30%),
    linear-gradient(194deg, transparent 0 11%, rgba(68, 197, 218, 0.09) 11.5%, transparent 27%),
    radial-gradient(ellipse at 50% -4%, rgba(184, 246, 249, 0.46) 0%, rgba(42, 183, 207, 0.22) 18%, transparent 43%),
    linear-gradient(180deg, #087e9c 0%, #04546d 15%, #012f43 38%, #001a2a 68%, #020b11 100%);
  box-shadow: 0 0 0 1px rgba(193, 242, 246, 0.2), 0 18px 50px rgba(0, 0, 0, 0.48);
}

#app::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    repeating-linear-gradient(174deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 22px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 30%, rgba(0, 0, 0, 0.18) 72%, rgba(0, 0, 0, 0.5));
  mix-blend-mode: screen;
  opacity: 0.72;
}

#app::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  box-shadow: inset 0 0 90px rgba(0, 7, 12, 0.62);
}

h1,
.timer,
.rank-big,
.ticket-title {
  font-family: var(--display-font);
  font-weight: 900;
  letter-spacing: 0;
  color: var(--poster-white);
  text-shadow: 0 3px 0 rgba(0, 12, 18, 0.7), 0 8px 18px rgba(0, 0, 0, 0.34);
}

h1 {
  font-size: 28px;
  margin-bottom: 12px;
}

.lead {
  color: var(--poster-muted);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.75;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.48);
}

.btn,
.step-card.current,
.gear-tag.on,
.tap-btn,
.command-panel button:first-child {
  border-color: var(--poster-white);
  background: rgba(1, 13, 19, 0.88);
  color: var(--poster-white);
  box-shadow: inset 0 0 0 1px rgba(39, 184, 211, 0.8), 0 8px 22px rgba(0, 0, 0, 0.34);
}

.btn {
  border-width: 2px;
  border-radius: 4px;
  font-family: var(--display-font);
  font-weight: 900;
  text-shadow: 0 2px 0 #000;
}

.btn:active,
.command-panel button:active {
  background: var(--sea-cyan);
  color: var(--poster-ink);
  text-shadow: none;
}

.btn.locked,
.step-card {
  border-color: rgba(184, 238, 244, 0.28);
  background: rgba(1, 23, 35, 0.72);
  color: rgba(185, 220, 226, 0.5);
  box-shadow: none;
}

.step-card {
  border-width: 2px;
  border-radius: 4px;
  font-weight: 900;
}

.step-card.current {
  border-left: 7px solid var(--sea-cyan);
}

.step-card.done {
  border-color: rgba(121, 225, 209, 0.72);
  background: rgba(3, 75, 73, 0.72);
  color: #d6fff8;
}

.timer.warn {
  color: #ffd16e;
}

.intro-character-stage::before {
  background: rgba(39, 184, 211, 0.15);
  border-color: rgba(184, 238, 244, 0.5);
  box-shadow: 0 0 24px rgba(39, 184, 211, 0.16);
}

.gear-tag,
.event-tag,
.hud-cell,
.command-panel {
  border-color: rgba(184, 238, 244, 0.54);
  border-radius: 3px;
  background: var(--poster-panel);
  color: var(--poster-muted);
}

.gauge-wrap {
  height: 24px;
  border: 2px solid rgba(248, 251, 250, 0.72);
  border-radius: 2px;
  background: rgba(0, 10, 16, 0.86);
}

.gauge-bar {
  border-radius: 0;
  background: linear-gradient(90deg, #0aa8c4, #8ee9ef 68%, #f4d37a);
}

.gauge-label,
.hint {
  color: var(--poster-muted);
}

.tap-btn {
  border-width: 3px;
  box-shadow: inset 0 0 0 3px rgba(39, 184, 211, 0.48), 0 0 34px rgba(39, 184, 211, 0.2);
  text-shadow: 0 2px 0 #000;
}

.scene-text,
.narration {
  color: var(--poster-white);
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.7);
}

.narration {
  border-color: rgba(184, 238, 244, 0.56);
  background: rgba(0, 12, 18, 0.34);
}

.dive-window,
.treasure-field,
.return-video-frame {
  border-color: rgba(184, 238, 244, 0.74);
  border-width: 2px;
  border-radius: 4px;
  background-color: var(--sea-deep);
  box-shadow: inset 0 0 42px rgba(0, 0, 0, 0.56), 0 10px 26px rgba(0, 0, 0, 0.24);
}

.rpg-log,
.return-video-caption {
  border: 2px solid var(--poster-line);
  border-left: 6px solid var(--sea-cyan);
  border-radius: 3px;
  background: var(--poster-panel);
  color: var(--poster-white);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.28);
}

#s-removal {
  min-height: 0;
  overflow: hidden;
}

#s-removal h1,
#removal-hint {
  flex: 0 0 auto;
}

.return-video-wrap {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  flex: 1 1 auto;
  min-height: 0;
}

.return-video-frame {
  min-height: 0;
}

.return-video {
  object-fit: contain;
}

#removal-hint {
  margin-top: 6px;
}

.video-sound-button {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 3;
  min-height: 48px;
  padding: 11px 18px;
  transform: translate(-50%, -50%);
  border: 2px solid var(--poster-white);
  border-radius: 4px;
  background: rgba(0, 18, 27, 0.92);
  color: var(--poster-white);
  font-family: inherit;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  touch-action: manipulation;
}

.video-sound-button[hidden] {
  display: none;
}

.return-video-caption {
  padding: 10px 8px;
  font-size: 14px;
  line-height: 1.35;
}

.return-caption-line {
  display: block;
  white-space: nowrap;
}

.rpg-log-title {
  color: var(--sea-foam);
}

.result-row {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  min-height: 48px;
  padding: 10px 6px;
  border-color: rgba(184, 238, 244, 0.36);
}

#s-result {
  min-height: 0;
  padding-top: 4px;
}

#s-result h1 {
  margin-bottom: 0;
}

#s-result > .spacer {
  display: none;
}

#s-result > .spacer + .result-row {
  margin-top: 64px;
  border-top: 1px solid rgba(184, 238, 244, 0.36);
}

.result-row > span:first-child {
  color: var(--poster-muted);
  font-size: 14px;
  font-weight: 800;
  white-space: nowrap;
}

.result-row > span:last-child {
  min-width: 0;
  color: var(--poster-white);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.45;
  text-align: right;
  overflow-wrap: anywhere;
}

#r-item {
  font-size: 13px;
}

#s-result .btn {
  margin-top: auto;
}

.ticket-card {
  border: 2px solid var(--poster-white);
  border-radius: 3px;
  background: linear-gradient(160deg, #052c39 0%, #020b11 70%);
  color: var(--poster-white);
  box-shadow: inset 0 0 0 2px rgba(39, 184, 211, 0.52);
}

.ticket-sub {
  color: var(--poster-muted);
  letter-spacing: 0;
}

.ticket-link {
  border: 1px solid var(--poster-white);
  border-radius: 3px;
  background: var(--sea-cyan);
  color: var(--poster-ink);
}

@media (max-height: 700px) {
  h1 { font-size: 25px; }
  .lead { font-size: 13px; line-height: 1.62; }
  .intro-character-stage { min-height: 150px; }
  .intro-character { width: 138px; }
}

@media (max-width: 360px) {
  .return-video-caption {
    padding: 8px 4px;
    font-size: 11px;
    line-height: 1.35;
  }

  .result-row {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 8px;
  }

  .result-row > span:first-child,
  .result-row > span:last-child {
    font-size: 13px;
  }

  #r-item {
    font-size: 12px;
  }
}