:root {
  











  --room: #ffffff;
  --surface: #f7f7f7;
  --text: #141414;
  --text-muted: #5e5e5e;

  --paper: var(--room);
  --paper-dim: var(--surface);
  --ink: var(--text);
  --ink-soft: var(--text-muted);
  









}

















* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body.lobby {
  

  --lobby-black: #000;
  --lobby-ink: #f3f0ea;
  --lobby-ink-soft: #8e8e88;
  --lobby-ink-faint: #6a6a65;
  --lobby-rule: #2b2b2b;
  --lobby-maker: #c8922f;
  








  --door-line: #3d3d3d;
  --door-line-lit: #6a6a65;

  margin: 0;
  color: var(--lobby-ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  display: grid;
  



  grid-template-rows: auto 1fr;
  place-items: center;
  padding: 6vh 5vw;

  



  background-color: var(--lobby-black);
  background-image: none;
}

main {
  text-align: center;
  max-width: 780px;
  width: 100%;
}

h1 {
  margin: 0;
  font-size: clamp(38px, 8vw, 76px);
  letter-spacing: 0.06em;
  font-weight: 700;
  color: var(--lobby-ink);
  


  text-shadow: none;
}

.by {
  margin: 10px 0 0;
  font-size: clamp(13px, 2vw, 16px);
  letter-spacing: 0.14em;
  color: var(--lobby-ink-soft);
}

.by span,
.by a {
  color: var(--lobby-maker);
  font-style: italic;
}




.by a {
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 120ms ease;
}

.by a:hover,
.by a:focus-visible {
  border-bottom-color: currentColor;
}

.by a:focus-visible {
  

  outline: 2px solid var(--lobby-ink);
  outline-offset: 3px;
  border-radius: 2px;
}

.what {
  margin: 26px auto 0;
  font-size: clamp(11px, 1.7vw, 14px);
  letter-spacing: 0.42em;
  text-indent: 0.42em;
  color: var(--lobby-ink-soft);
  padding-bottom: 22px;
  border-bottom: 1px solid var(--lobby-rule);
  max-width: 22em;
}





















.doors {
  











  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: stretch;
  gap: 14px;
}

.door {
  --line: var(--door-line);
  --line-lit: var(--door-line-lit);

  




  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--lobby-black);
  text-decoration: none;
  color: var(--lobby-ink);
  -webkit-tap-highlight-color: transparent;
  transition: border-color 120ms ease;
}



.door[hidden] {
  display: none;
}





.face {
  



  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-height: 48px;
  padding: 12px clamp(18px, 3vw, 26px);
  transform: translateY(0);
  transition: transform 90ms ease-out;
}




.door .text {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  min-width: 0;
  text-align: center;
}

.label {
  

  font-size: clamp(13px, 1.8vw, 16px);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-indent: 0.14em;
  white-space: nowrap;
  color: var(--lobby-ink);
}









.door:hover {
  border-color: var(--line-lit);
}

.door:focus-visible {
  outline: 2px solid var(--lobby-ink);
  outline-offset: 3px;
}





.door.pressed .face,
.door:active .face {
  transform: translateY(2px);
}

@media (max-width: 420px) {
  




  .doors {
    gap: 12px;
    margin-top: 28px;
  }

  .face {
    min-height: 52px;
    padding: 13px 22px;
  }
}



@media (prefers-reduced-motion: reduce) {
  .face {
    transition: none;
  }
}





















.dev-notice {
  --hazard: #f0b429;
  --hazard-deep: #b9821a;
  --hazard-ink: #3a2a08;

  width: 100%;
  max-width: 780px;
  margin: 0 0 clamp(18px, 4vh, 34px);
  border-radius: 8px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0) 60%),
    #fbe7b4;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.75),
    0 2px 0 0 var(--hazard-deep),
    0 10px 18px -12px rgba(58, 42, 8, 0.55);
}



.dev-hazard {
  display: block;
  









  height: 8px;
  background: repeating-linear-gradient(
    -45deg,
    var(--hazard-ink) 0 9px,
    var(--hazard) 9px 18px
  );
}

.dev-body {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 2.5vw, 22px);
  padding: clamp(10px, 2vh, 16px) clamp(14px, 3vw, 24px);
  

  text-align: center;
}

.dev-mascot svg {
  display: block;
  flex: 0 0 auto;
  fill: none;
  stroke: var(--hazard-ink);
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.dev-mascot .hat {
  stroke: var(--hazard-deep);
  stroke-width: 3;
}

.dev-mascot .box {
  fill: rgba(58, 42, 8, 0.07);
}

.dev-mascot .cable {
  stroke-width: 2;
  opacity: 0.75;
}

.dev-text {
  min-width: 0;
}

.dev-notice p {
  margin: 0;
  color: var(--hazard-ink);
}

.dev-title {
  font-size: clamp(11px, 1.7vw, 14px);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.35;
}

.dev-cone {
  

  margin-right: 4px;
}

.dev-lead {
  margin-top: 5px;
  font-size: clamp(11px, 1.5vw, 13px);
  font-weight: 700;
}

.dev-detail {
  margin-top: 3px;
  font-size: clamp(10.5px, 1.4vw, 12.5px);
  line-height: 1.45;
  color: rgba(58, 42, 8, 0.82);
}





.dev-notice .dev-updated {
  margin-top: 6px;
  

  display: flex;
  justify-content: center;
  align-items: center;
  gap: 5px;
  font-size: clamp(11.5px, 1.5vw, 13.5px);
  font-weight: 600;
  line-height: 1.35;
}

.dev-notice .dev-updated[hidden] {
  display: none;
}

.dev-clock {
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.dev-notice .dev-welcome {
  margin-top: 8px;
  display: inline-block;
  padding: 4px 10px;
  border-radius: 5px;
  background: var(--hazard-ink);
  color: #fdf3d8;
  font-size: clamp(10px, 1.4vw, 12px);
  font-weight: 700;
  letter-spacing: 0.04em;
}



@media (max-width: 620px) {
  .dev-notice {
    margin-bottom: 20px;
  }

  .dev-body {
    gap: 10px;
    padding: 10px 12px;
  }

  .dev-mascot svg {
    width: 48px;
    height: 39px;
  }

  .dev-title {
    font-size: 11.5px;
    letter-spacing: 0.03em;
  }

  .dev-detail {
    font-size: 10.5px;
  }
}




@media (max-width: 380px) {
  .dev-mascot {
    display: none;
  }

  .dev-body {
    padding: 9px 11px;
  }

  .dev-title {
    font-size: 11px;
  }

  .dev-detail {
    font-size: 10px;
    line-height: 1.4;
  }

  .dev-notice .dev-welcome {
    margin-top: 6px;
    padding: 3px 8px;
  }
}











.lang-select {
  display: block;
  margin: 40px auto 0;
  font: inherit;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--lobby-ink-soft);
  background: var(--lobby-black);
  border: 1px solid var(--lobby-rule);
  border-radius: 8px;
  padding: 8px 32px 8px 14px;
  transition: border-color 120ms ease, color 120ms ease;

  

  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5L6 6.5l5-5' fill='none' stroke='%238e8e88' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 11px 8px;
}

.lang-select:hover {
  border-color: #3d3d3d;
  color: var(--lobby-ink);
}

.lang-select:focus-visible {
  outline: 2px solid var(--lobby-ink);
  outline-offset: 3px;
}




.lang-select option {
  background: #0a0a0a;
  color: var(--lobby-ink);
}

.lang-select[hidden] {
  display: none;
}