@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@500;600&family=DM+Mono&family=Space+Grotesk:wght@400;500;700&display=swap');

/* ============================================================
   BASE
   ============================================================ */

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  min-height: 100%;
}

html {
  overflow-x: hidden;
}

body {
  color: #151515;
  font-family: "Space Grotesk", sans-serif;
}

/* ============================================================
   INTRO
   ============================================================ */

.intro-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: #f6f6f3;
}

.intro-card {
  width: min(680px, calc(100% - 40px));
  padding: 42px 44px 54px;
  background: #fff;
}

.eyebrow,
.small,
.hud,
.message {
  font-family: "DM Mono", monospace;
}

.eyebrow {
  margin: 0 0 28px;
  font-size: 11px;
  letter-spacing: .15em;
}

h1 {
  margin: 0 0 40px;
  font-size: clamp(36px, 7vw, 58px);
  letter-spacing: -.06em;
}

.intro-logo {
  height: 365px;
  margin: -48px 0 -10px;
}

.intro-logo img {
  display: block;
  width: 410px;
  height: 365px;
  margin: auto;
  object-fit: contain;
}

.intro-tagline {
  margin: -8px 0 36px;
  text-align: center;
  font-size: 14px;
  letter-spacing: .12em;
}

.rule-box {
  border-left: 3px solid #222;
  padding-left: 20px;
  line-height: 1.8;
}

.rule-box h2 {
  margin: 0 0 16px;
  font: 500 13px "DM Mono", monospace;
  letter-spacing: .13em;
}

.small {
  margin-top: 28px;
  font-size: 11px;
  color: #777;
}

.start-button,
#reset {
  appearance: none;
  cursor: pointer;
  color: #fff;
  background: #1b1b1b;
  border: 0;
  font: inherit;
  text-decoration: none;
}

.start-button {
  display: flex;
  justify-content: space-between;
  margin-top: 38px;
  padding: 16px 20px;
  letter-spacing: .08em;
}

.start-button:hover {
  background: #5e5e5e;
}

/* ============================================================
   GAME
   ============================================================ */

.game-page {
  overflow-x: hidden;
  overflow-y: auto;
  background: #e9e9e7;
}

.hud {
  position: relative;
  z-index: 20;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 18px;
  background: #fff;
  border-bottom: 1px solid #ddd;
  font-size: 11px;
  letter-spacing: .08em;
}

/* ============================================================
   TRAIL
   ============================================================ */

#trail {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  min-height: 32px;
  pointer-events: none;
}
.game-page #trail {
  position: absolute;
  left: 50%;
  top: auto;
  bottom: calc(10% + 230px + 20px);
  transform: translateX(-50%);
  width: max-content;
  padding: 0;
  margin: 0;
  white-space: nowrap;
  z-index: 11;
}

.trail-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 28px;
}

.trail-dot {
  display: block;
  width: 13px;
  height: 13px;
  flex: 0 0 13px;
  border-radius: 50%;
  background: transparent;
  border: 1.5px solid rgba(0, 0, 0, .45);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, .45);
  transition:
    background .22s ease,
    border-color .22s ease,
    box-shadow .22s ease,
    transform .22s ease;
}

.trail-dot-filled {
  background: #111;
  border-color: #111;
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, .05),
    0 2px 7px rgba(0, 0, 0, .18);
  transform: scale(1.05);
}

.trail-dot-loop {
  background: #e53935 !important;
  border-color: #e53935 !important;
  box-shadow:
    0 0 8px rgba(229, 57, 53, .8);
}

/* ============================================================
   RESET
   常にブラウザ画面の一番下に固定
   ============================================================ */

.game-page #reset {
  position: fixed !important;
  left: 50% !important;
  right: auto !important;
  top: auto !important;
  bottom: 16px !important;
  transform: translateX(-50%) !important;

  z-index: 9999 !important;

  width: 190px;
  height: 50px;
  margin: 0 !important;
  padding: 9px 12px;

  font: 11px "DM Mono", monospace;
  font-weight: 400;
  letter-spacing: .1em;

  cursor: pointer;
}

.game-page #reset:hover {
  background: #aa3030;
  transform: translateX(-50%) !important;
}

/* ============================================================
   ROOM
   ============================================================ */

.room {
  position: relative;
  height: calc(100vh - 58px);
  min-height: 530px;
  overflow: hidden;
  background: linear-gradient(115deg, #fafafa, #e7e7e5);
  box-shadow: inset 0 0 70px rgba(0, 0, 0, .08);
  transition: background .7s;
}

.room::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 30%;
  pointer-events: none;
  z-index: 0;

  background:
    linear-gradient(
      to bottom,
      rgba(80, 80, 80, .02),
      rgba(30, 30, 30, .14)
    ),
    repeating-linear-gradient(
      90deg,
      rgba(0, 0, 0, .035) 0,
      rgba(0, 0, 0, .035) 1px,
      transparent 1px,
      transparent 90px
    );

  clip-path: polygon(0 30%, 100% 30%, 100% 100%, 0 100%);
  border-top: 2px solid rgba(0, 0, 0, .08);
}

.room::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 14%;
  height: 100%;
  pointer-events: none;
  background: linear-gradient(
    to right,
    rgba(0, 0, 0, .07),
    rgba(0, 0, 0, .015)
  );
  z-index: 0;
}

/* ============================================================
   TITLE
   ============================================================ */

.wall-title {
  position: absolute;
  top: 8%;
  left: 50%;
  width: 90%;
  max-width: 1100px;
  transform: translateX(-50%);

  text-align: center;
  font: 600 clamp(27px, 4vw, 50px)
    "Chakra Petch",
    "Space Grotesk",
    sans-serif;

  letter-spacing: -.015em;
  z-index: 20;

  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.title-fixed {
  display: inline-block;
  white-space: nowrap;
}

.title-loop {
  display: inline-block;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: #b12435;
  font: inherit;
  font-weight: 700;
  cursor: crosshair;
}

.baka-group {
  display: inline-flex;
  white-space: nowrap;
  min-width: 2.7em;
  vertical-align: baseline;
}

.title-baka {
  appearance: none;
  display: inline-block;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: #c32727;
  font: inherit;
  line-height: inherit;
  cursor: crosshair;
}

.title-baka:hover,
.title-baka:focus,
.title-baka:active {
  color: #c32727;
  transform: none !important;
}

/* ============================================================
   SCENE
   ============================================================ */

.scene {
  position: absolute;
  inset: 18% 6% 8%;
  z-index: 1;
}

/* ============================================================
   TARGET
   ============================================================ */

.target {
  position: absolute;
  cursor: crosshair;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  z-index: 2;
  margin: 0;
  padding: 0;
  transition: opacity .2s, filter .2s;
}

.target:hover {
  filter: brightness(1.08);
}

.target:focus-visible {
  outline: 2px dashed #222;
  outline-offset: 5px;
}

/* ============================================================
   SIGNS
   ============================================================ */

.sign {
  font: 700 clamp(42px, 8vw, 88px) "DM Mono", monospace;
  letter-spacing: -.1em;
}

.sign.left {
  left: 14%;
  top: 45%;
}

.sign.right {
  right: 14%;
  top: 45%;
}

.room-p .sign.left {
  left: 30%;
}

.room-p .sign.right {
  right: 30%;
}

/* ============================================================
   OBJECT
   ============================================================ */

.object {
  width: 180px;
  text-align: center;
  font-size: 21px;
  font-weight: 700;
  z-index: 2;
}

.object .drawing {
  display: block;
  height: 120px;
  margin-bottom: 12px;
  position: relative;
}

/* ============================================================
   ROOF / ROOM / ROOT
   ============================================================ */

.room-background {
  inset: 0;
  z-index: 1;
}

.roof {
  left: 22%;
  top: 28%;
}

.roof .drawing {
  background: url('image/Roof.png') center / contain no-repeat;
}

.room-icon {
  left: 50%;
  top: 34%;
  transform: translateX(-50%);
}

.room-icon:hover {
  transform: translateX(-50%) scale(1.05);
}

.room-icon .drawing {
  border: 5px solid #222;
  background:
    linear-gradient(
      90deg,
      transparent 48%,
      #222 49%,
      #222 52%,
      transparent 53%
    );
}

.root {
  right: 22%;
  top: 28%;
}

.root .drawing {
  background: url('image/Root.png') center / contain no-repeat;
}

/* ============================================================
   FOOT
   ============================================================ */

.room-f .foot {
  left: 50%;
  top: 25%;
  transform: translateX(-50%);
}

.room-f .foot:hover {
  transform: translateX(-50%) scale(1.05);
}

.room-f .foot .drawing {
  background: url('image/Foot.png') center / contain no-repeat;
}

/* ============================================================
   M ROOM
   ============================================================ */

.room-m {
  background: linear-gradient(
    145deg,
    #4c3b68,
    #ba7896 48%,
    #7779af
  );
  color: #fff;
}

.room-m::before {
  background: rgba(255, 255, 255, .16);
}

.room-m .wall-title {
  text-shadow: 0 3px 20px #443452;
}

.m-scene {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* ------------------------------------------------------------
   M：雰囲気を壊す
   ------------------------------------------------------------ */

.m-scene .mood {
  position: absolute;
  left: 50%;
  top: 15%;
  transform: translateX(-50%);

  z-index: 5;

  width: auto;
  height: auto;
  padding: 8px 16px;

  border: 0;
  background: transparent;
  color: #222;

  font-size: 24px;
  font-weight: 700;
  white-space: nowrap;

  text-shadow:
    0 1px 2px rgba(255, 255, 255, .8);
}

/* ------------------------------------------------------------
   M：窓
   ------------------------------------------------------------ */

.moon-window {
  position: absolute;
  left: 50%;
  top: 27%;
  width: 240px;
  height: 150px;
  transform: translateX(-50%);

  overflow: hidden;

  border: 6px solid #222;
  border-radius: 4px;

  background: #090d27;

  box-shadow:
    inset 0 0 30px rgba(0, 0, 0, .7),
    0 0 18px rgba(30, 35, 90, .35);

  z-index: 2;
}

/* 夜空 */

.moon-sky {
  position: absolute;
  inset: 0;

  background:
    linear-gradient(
      180deg,
      #090d27 0%,
      #151b46 55%,
      #30356b 100%
    );

  pointer-events: none;
}

/* 星 */

.moon-sky::before {
  content: '';
  position: absolute;
  left: 18%;
  top: 20%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #fff;

  box-shadow:
    42px 15px 0 0 #fff,
    86px -5px 0 0 rgba(255, 255, 255, .8),
    126px 28px 0 0 #fff,
    172px 5px 0 0 rgba(255, 255, 255, .7),
    28px 78px 0 0 rgba(255, 255, 255, .7),
    108px 65px 0 0 #fff,
    158px 82px 0 0 rgba(255, 255, 255, .8);

  pointer-events: none;
}

/* 月 */

.moon-window .moon {
  position: absolute;
  left: 50%;
  top: 50%;

  width: 68px;
  height: 68px;

  transform: translate(-50%, -50%);

  border: 0;
  border-radius: 50%;
  padding: 0;
  margin: 0;

  background:
    radial-gradient(
      circle at 32% 28%,
      rgba(120, 120, 120, .28) 0 5px,
      transparent 6px
    ),
    radial-gradient(
      circle at 67% 38%,
      rgba(120, 120, 120, .22) 0 7px,
      transparent 8px
    ),
    radial-gradient(
      circle at 45% 68%,
      rgba(120, 120, 120, .20) 0 5px,
      transparent 6px
    ),
    radial-gradient(
      circle at 76% 72%,
      rgba(120, 120, 120, .18) 0 4px,
      transparent 5px
    ),
    #fff4c7;

  box-shadow:
    0 0 10px rgba(255, 244, 199, .8),
    0 0 25px rgba(255, 244, 199, .45);

  z-index: 3;

  font-size: 0;
  color: transparent;
}

.moon-window .moon.shot-target {
  opacity: 0;
  transform:
    translate(-50%, -50%)
    scale(.8);
}

/* ============================================================
   M：24:00
   ============================================================ */

.clock-24 {
  position: absolute;
  left: 50%;
  top: 51%;
  transform: translateX(-50%);

  z-index: 6;

  color: #222;

  font-family: "Chakra Petch", sans-serif;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: .08em;

  white-space: nowrap;

  pointer-events: none;
  user-select: none;

  text-shadow:
    0 1px 2px rgba(255, 255, 255, .8);
}

/* ============================================================
   N ROOM
   ============================================================ */

.north-window {
  position: absolute;
  left: 50%;
  top: 22%;

  width: 240px;
  height: 150px;

  transform: translateX(-50%);

  border-radius: 4px;
  overflow: hidden;

  border: 6px solid #222;
  background: #9ddcff;

  z-index: 1;

  box-shadow:
    inset 0 0 25px rgba(0, 0, 0, .15),
    0 0 15px rgba(0, 0, 0, .12);
}

.north-sky {
  position: absolute;
  inset: 0;

  background:
    linear-gradient(
      180deg,
      #5eb9ef 0%,
      #8bd0f5 48%,
      #d9f1ff 100%
    );
}

/* 雲 */

.north-sky::before {
  content: '';
  position: absolute;
  left: 15%;
  top: 25%;
  width: 85px;
  height: 25px;

  border-radius: 30px;
  background: rgba(255, 255, 255, .82);

  box-shadow:
    25px -10px 0 5px rgba(255, 255, 255, .82),
    52px 2px 0 2px rgba(255, 255, 255, .82);
}

.north-sky::after {
  content: '';
  position: absolute;
  right: 10%;
  top: 62%;
  width: 70px;
  height: 20px;

  border-radius: 30px;
  background: rgba(255, 255, 255, .65);

  box-shadow:
    18px -8px 0 3px rgba(255, 255, 255, .65),
    38px 1px 0 1px rgba(255, 255, 255, .65);
}

/* 太陽 */

.north-sun {
  position: absolute;
  top: 18px;
  right: 22px;
  left: auto;

  width: 30px;
  height: 30px;

  border-radius: 50%;
  background: #ffe27a;

  box-shadow:
    0 0 14px rgba(255, 226, 122, .9);
}

/* ============================================================
   N：12:00
   ============================================================ */

.clock {
  appearance: none;

  position: absolute;
  left: 50%;
  top: 51%;

  width: auto;
  height: auto;

  padding: 10px 22px;
  margin: 0;

  transform: translateX(-50%) scale(1.05);

  border: 0;
  border-radius: 0;

  display: block;

  font: 700 34px "DM Mono", monospace;
  background: transparent;
  color: #222;
  line-height: 1;

  -webkit-appearance: none;

  z-index: 3;
}

.room-n .clock {
  top: 51%;
}

/* ============================================================
   TOOL
   ============================================================ */

.room-t .tool-image {
  left: 50%;
  top: 25%;

  width: 190px;
  height: 190px;

  transform: translateX(-50%);

  background: url('image/Tool.png') center / contain no-repeat;
}

.room-t .tool-image:hover {
  transform: translateX(-50%) scale(1.05);
}

/* ============================================================
   DOOR TARGET
   ============================================================ */

.door-target {
  left: 50%;
  top: 42%;

  transform: translateX(-50%);

  font: 700 35px "DM Mono";
  padding: 30px 18px;

  border: 5px solid #222;
  background: rgba(255, 255, 255, .15);
}

.door-target:hover {
  transform: translateX(-50%) scale(1.05);
}

/* ============================================================
   DOOR
   ============================================================ */

.door {
  position: absolute;
  cursor: pointer;

  width: 130px;
  height: 230px;

  left: 50%;
  bottom: 10%;

  transform: translateX(-50%);

  background: #292522;
  border: 5px solid #554238;
  border-bottom: 0;

  z-index: 10;

  box-shadow:
    inset 0 0 0 2px #171513;

  animation: arrive .25s ease-out;
}

.door:hover {
  transform: translateX(-50%) scale(1.05);
}

.door::before {
  content: '';
  position: absolute;
  inset: 9px;
  border: 1px solid #8c7665;
}

.door small {
  position: absolute;
  bottom: 24px;
  left: 0;
  right: 0;

  font: 10px "DM Mono", monospace;
  letter-spacing: .15em;
}

.knob {
  position: absolute;
  right: 14px;
  top: 52%;

  width: 8px;
  height: 8px;

  background: #333;
  border-radius: 50%;
}

/* ============================================================
   DOOR BREAK
   ============================================================ */

.room-d .door.broken {
  background: #000;
  border: 0;
  opacity: 1;

  box-shadow:
    inset 0 0 35px rgba(0, 0, 0, 1),
    0 0 35px rgba(0, 0, 0, .85);

  animation: door-break .28s ease-out forwards;
}

.room-d .door.broken::before,
.room-d .door.broken .knob,
.room-d .door.broken small {
  display: none;
}

@keyframes door-break {
  0% {
    transform: translateX(-50%) scale(.85);
    opacity: .4;
  }

  60% {
    transform: translateX(-50%) scale(1.04);
    opacity: 1;
  }

  100% {
    transform: translateX(-50%) scale(1);
    opacity: 1;
  }
}

/* ============================================================
   INDICATOR
   ============================================================ */

.loop-indicator {
  position: absolute;
  top: 18%;
  left: 50%;

  transform: translateX(-50%);

  width: 420px;
  text-align: center;

  z-index: 8;
  pointer-events: none;
}

.indicator-row {
  display: grid;
  grid-template-columns: 130px 160px 130px;

  align-items: center;
}

.indicator-side {
  height: 92px;

  display: flex;
  align-items: center;
  gap: 8px;
}

.indicator-side.left {
  justify-content: flex-end;
  margin-right: -18px;
}

.indicator-side.right {
  justify-content: flex-start;
  margin-left: -18px;
}

.indicator-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.infinity-mark {
  width: 160px;
  height: 92px;

  background: url('image/LOOP.png') center / contain no-repeat;
}

.hint-image,
.arrow-image {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.period-message {
  font-family: "Chakra Petch", sans-serif;
  font-size: 34px;
  font-weight: 700;
  letter-spacing: .08em;
  color: #222;
  white-space: nowrap;
}

/* ============================================================
   PERIOD
   ============================================================ */

.period-loop {
  display: inline-block;
  white-space: nowrap;
}

.period-p {
  position: relative;
  display: inline-block;
  white-space: nowrap;
}

.period-target {
  position: absolute;

  right: -1.0em;
  bottom: -0.18em;

  width: 40px;
  height: 40px;

  padding: 0;
  margin: 0;

  border: 0;
  background: transparent;

  cursor: crosshair;

  opacity: 0;
  z-index: 100;

  box-sizing: border-box;
}

/* ============================================================
   MESSAGE
   ============================================================ */

.message {
  position: absolute;

  top: 1.8%;
  left: 50%;

  transform: translateX(-50%);

  width: min(90%, 900px);

  text-align: center;

  font-size: 14px;
  line-height: 1.7;
  letter-spacing: .06em;

  z-index: 15;
  pointer-events: none;
}

.message strong {
  font-weight: 700;
}

/* ============================================================
   SHOT ANIMATION
   ============================================================ */

.shot-target {
  pointer-events: none;
  animation: target-break .18s ease-out forwards;
}

@keyframes target-break {
  0% {
    opacity: 1;
    filter: none;
  }

  45% {
    opacity: .75;
    filter: brightness(2);
  }

  100% {
    opacity: 0;
    filter: brightness(3);
  }
}

.room-f .foot.shot-target {
  animation: foot-target-break .18s ease-out forwards;
}

@keyframes foot-target-break {
  0% {
    opacity: 1;
    transform: translateX(-50%) scale(1);
    filter: none;
  }

  45% {
    opacity: .75;
    transform: translateX(-50%) scale(1.08);
    filter: brightness(2);
  }

  100% {
    opacity: 0;
    transform: translateX(-50%) scale(.7);
    filter: brightness(3);
  }
}

.room-t .tool-image.shot-target {
  animation: tool-target-break .18s ease-out forwards;
}

@keyframes tool-target-break {
  0% {
    opacity: 1;
    transform: translateX(-50%) scale(1);
    filter: none;
  }

  45% {
    opacity: .75;
    transform: translateX(-50%) scale(1.08);
    filter: brightness(2);
  }

  100% {
    opacity: 0;
    transform: translateX(-50%) scale(.7);
    filter: brightness(3);
  }
}

.room-n .clock.shot-target {
  animation: clock-target-break .18s ease-out forwards;
}

@keyframes clock-target-break {
  0% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
    filter: none;
  }

  45% {
    opacity: .75;
    transform: translate(-50%, -50%) scale(1.08);
    filter: brightness(2);
  }

  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(.7);
    filter: brightness(3);
  }
}

/* ============================================================
   BULLET HOLE
   ============================================================ */

.bullet {
  position: absolute;

  width: 20px;
  height: 20px;

  margin: 0;
  padding: 0;

  transform: translate(-50%, -50%);

  pointer-events: none;
  z-index: 4;

  background:
    radial-gradient(
      circle at center,
      #000 0%,
      #000 22%,
      #111 30%,
      rgba(0, 0, 0, .75) 38%,
      transparent 42%
    );

  border-radius: 50%;

  animation: bullet-hole-in .14s ease-out forwards;
}

.bullet::before {
  content: '';

  position: absolute;
  left: 50%;
  top: 50%;

  width: 100%;
  height: 100%;

  transform: translate(-50%, -50%);

  background:
    linear-gradient(
      78deg,
      transparent 47%,
      rgba(0, 0, 0, .75) 48%,
      rgba(0, 0, 0, .75) 51%,
      transparent 52%
    ),
    linear-gradient(
      135deg,
      transparent 48%,
      rgba(0, 0, 0, .65) 49%,
      rgba(0, 0, 0, .65) 51%,
      transparent 52%
    ),
    linear-gradient(
      168deg,
      transparent 48%,
      rgba(0, 0, 0, .75) 49%,
      rgba(0, 0, 0, .75) 51%,
      transparent 52%
    ),
    linear-gradient(
      25deg,
      transparent 48%,
      rgba(0, 0, 0, .7) 49%,
      rgba(0, 0, 0, .7) 51%,
      transparent 52%
    ),
    linear-gradient(
      315deg,
      transparent 48%,
      rgba(0, 0, 0, .65) 49%,
      rgba(0, 0, 0, .65) 51%,
      transparent 52%
    );

  opacity: .9;
}

.bullet::after {
  content: '';

  position: absolute;
  left: 50%;
  top: 50%;

  width: 30px;
  height: 30px;

  transform: translate(-50%, -50%) rotate(23deg);

  background:
    linear-gradient(
      22deg,
      transparent 45%,
      rgba(0, 0, 0, .55) 46%,
      rgba(0, 0, 0, .55) 48%,
      transparent 49%
    ),
    linear-gradient(
      112deg,
      transparent 46%,
      rgba(0, 0, 0, .5) 47%,
      rgba(0, 0, 0, .5) 49%,
      transparent 50%
    ),
    linear-gradient(
      202deg,
      transparent 46%,
      rgba(0, 0, 0, .45) 47%,
      rgba(0, 0, 0, .45) 49%,
      transparent 50%
    );

  opacity: .8;
}

@keyframes bullet-hole-in {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(.25);
  }

  60% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.15);
  }

  100% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
}

/* ============================================================
   CLEAR
   ============================================================ */

.room-c {
  background: radial-gradient(
    circle,
    #fff8bd,
    #e4a82c 55%,
    #54220b
  );
  color: #fff;
}

.clear-scene {
  position: absolute;
  inset: 15% 5%;

  display: grid;
  place-content: center;

  text-align: center;

  z-index: 20;
}

.clear-scene h2 {
  margin: 0;

  font: 700 clamp(70px, 17vw, 180px)
    "Space Grotesk",
    sans-serif;

  letter-spacing: -.08em;

  text-shadow:
    0 6px 0 #6b250b,
    0 0 38px #fff8a4;
}

.clear-scene p {
  font: 15px "DM Mono", monospace;
  letter-spacing: .16em;
}

/* ============================================================
   CLEAR LINKS
   ============================================================ */

.clear-scene .clear-links {
  width: min(92%, 520px);

  margin: 28px auto 0;

  display: flex;
  flex-direction: column;
  gap: 12px;
}

.clear-scene .x-share {
  width: 100%;
  margin: 0;
}

.clear-scene .announcement-link[href="#"] {
  cursor: default;
  opacity: .45;
}

.clear-scene .announcement-link[href="#"]:active {
  pointer-events: none;
}

/* ============================================================
   X SHARE
   ============================================================ */

.x-share {
  position: relative;

  display: flex;
  align-items: center;

  width: min(420px, 88vw);

  margin: 42px auto 0;
  padding: 18px 20px;

  color: #fff;
  background: #111;

  border: 1px solid rgba(255, 255, 255, .22);

  text-decoration: none;
  overflow: hidden;

  box-shadow:
    0 12px 35px rgba(0, 0, 0, .25);

  transition:
    transform .2s ease,
    box-shadow .2s ease,
    background .2s ease;
}

.x-share::before {
  content: '';

  position: absolute;
  inset: 0;

  background:
    linear-gradient(
      115deg,
      transparent 0%,
      rgba(255, 255, 255, .08) 45%,
      transparent 65%
    );

  transform: translateX(-120%);

  transition:
    transform .5s ease;
}

.x-share:hover {
  transform: translateY(-4px);

  background: #050505;

  box-shadow:
    0 18px 45px rgba(0, 0, 0, .38);
}

.x-share:hover::before {
  transform: translateX(120%);
}

.x-share:active {
  transform: translateY(-1px);
}

.x-share-icon {
  position: relative;

  display: grid;
  place-items: center;

  width: 42px;
  height: 42px;
  flex: 0 0 42px;

  border: 1px solid rgba(255, 255, 255, .3);

  font-family: "Space Grotesk", sans-serif;
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
}

.x-share-content {
  position: relative;

  display: flex;
  flex-direction: column;

  flex: 1;
  margin-left: 15px;

  text-align: left;
}

.x-share-label {
  font:
    700 13px
    "Space Grotesk",
    sans-serif;

  letter-spacing: .14em;
}

.x-share-sub {
  margin-top: 4px;

  font:
    9px
    "DM Mono",
    monospace;

  letter-spacing: .12em;
  color: rgba(255, 255, 255, .55);
}

.x-share-arrow {
  position: relative;

  font:
    24px
    "Space Grotesk",
    sans-serif;

  font-weight: 400;

  transition:
    transform .2s ease;
}

.x-share:hover .x-share-arrow {
  transform: translate(4px, -4px);
}

/* ============================================================
   ARRIVE
   ============================================================ */

@keyframes arrive {
  from {
    transform: translate(-50%, 150px);
  }

  to {
    transform: translateX(-50%);
  }
}

/* ============================================================
   DESKTOP / LARGE SCREEN
   ============================================================ */

@media (min-width: 701px) {

  .game-page .wall-title {
    top: 55px;
  }

  .game-page .loop-indicator {
    top: 150px;
  }

  .game-page .message {
    top: 105px;
  }

  .game-page .scene {
    top: 170px;
    right: 6%;
    bottom: 100px;
    left: 6%;
    min-height: 490px;
  }

  .game-page .room-p .scene {
    top: 170px;
    bottom: 100px;
  }

  .game-page .room-p .sign.left {
    left: 8%;
  }

  .game-page .room-p .sign.right {
    right: 8%;
  }

  .game-page .room-r .scene {
    top: 170px;
    bottom: 100px;
  }

  .game-page .room-r .roof {
    left: 20%;
  }

  .game-page .room-r .root {
    right: 20%;
  }

  .game-page .room-m .m-scene {
    position: absolute;
    inset: 0;
  }

  .game-page .room-m .m-scene .mood {
    top: 45px;
  }

  .game-page .room-m .moon-window {
    top: 85px;
  }

  .game-page .room-m .clock-24 {
    top: 275px;
  }

  .game-page .room-n .north-window {
    top: 60px;
  }

  .game-page .room-n .clock {
    top: 245px;
  }
}

/* ============================================================
   MOBILE
   ============================================================ */
@media (max-width:700px) {

  /* ==============================
     スマホ：矢印・？の位置を固定
     ============================== */

  .game-page .loop-indicator {
    top:145px;
    left:50%;
    width:100%;
    max-width:none;
    padding:0 10px;
    transform:translateX(-50%);
  }

  .game-page .indicator-row {
    position:relative;
    width:100%;
    height:80px;
    display:block;
  }

  /* 中央の∞を完全固定 */
  .game-page .indicator-center {
    position:absolute;
    left:50%;
    top:0;
    width:80px;
    height:80px;
    transform:translateX(-50%);
    display:flex;
    align-items:center;
    justify-content:center;
  }

  .game-page .infinity-mark {
    width:80px;
    height:80px;
  }

  /* 左右の領域そのものを固定 */
  .game-page .indicator-side {
    position:absolute;
    top:0;
    width:90px;
    height:80px;
    margin:0 !important;
    display:block;
  }

  .game-page .indicator-side.left {
    left:calc(50% - 130px);
  }

  .game-page .indicator-side.right {
    left:calc(50% + 40px);
  }

  /* 画像をそれぞれ決まった場所に固定 */
  .game-page .indicator-side .arrow-image,
  .game-page .indicator-side .hint-image {
    position:absolute;
    top:20px;
    width:40px;
    height:40px;
    object-fit:contain;
    margin:0;
  }

  /* 左：矢印 → ？ */
  .game-page .indicator-side.left .arrow-image {
    left:0;
  }

  .game-page .indicator-side.left .hint-image {
    left:44px;
  }

  /* 右：？ → 矢印 */
  .game-page .indicator-side.right .hint-image {
    left:0;
  }

  .game-page .indicator-side.right .arrow-image {
    left:44px;
  }
}

  /* ----------------------------------------------------------
     MESSAGE
     ---------------------------------------------------------- */

  .game-page .message {
    top: 110px;
    width: 92%;

    font-size: 14px;
    line-height: 1.6;
  }

  /* ----------------------------------------------------------
     SCENE
     ---------------------------------------------------------- */

  .game-page .scene {
    top: 215px;
    right: 3%;
    bottom: 80px;
    left: 3%;
    min-height: 520px;
  }

  .game-page .room-p .scene {
    top: 215px;
  }

  .game-page .room-p .sign.left {
    left: 5%;
  }

  .game-page .room-p .sign.right {
    right: 5%;
  }

  .game-page .room-r .scene {
    top: 215px;
  }

  .game-page .room-r .roof {
    left: 8%;
  }

  .game-page .room-r .root {
    right: 8%;
  }

  /* ----------------------------------------------------------
     M
     ---------------------------------------------------------- */

  .game-page .room-m .clock-24 {
    left: 50%;
    right: auto;
    top: 250px;

    width: max-content;
    height: auto;

    margin: 0;
    padding: 0;

    transform: translateX(-50%);

    text-align: center;
    white-space: nowrap;

    z-index: 50;

    font-size: 24px;
  }

  .game-page .room-m .m-scene .mood {
    top: 40px;
    font-size: 19px;
  }

  .game-page .room-m .moon-window {
    top: 75px;

    width: 200px;
    height: 125px;
  }

  .moon-window .moon {
    width: 58px;
    height: 58px;
  }

  /* ----------------------------------------------------------
     N
     ---------------------------------------------------------- */

  .game-page .room-n .north-window {
    top: 60px;

    width: 200px;
    height: 125px;
  }

  .game-page .room-n .clock {
    top: 230px;
    font-size: 24px;
  }

  /* ----------------------------------------------------------
     DOOR
     ---------------------------------------------------------- */

  .game-page .door {
    bottom: 35px;
  }

  /* ----------------------------------------------------------
     X
     ---------------------------------------------------------- */

  .x-share {
    width: min(390px, 88vw);
    padding: 15px 16px;
  }

  .x-share-icon {
    width: 38px;
    height: 38px;
    flex-basis: 38px;
    font-size: 20px;
  }

  .x-share-label {
    font-size: 11px;
  }

  .x-share-sub {
    font-size: 8px;
  }

  .x-share-arrow {
    font-size: 21px;
  }

  /* ----------------------------------------------------------
     PERIOD
     スマホでは完全中央
     ---------------------------------------------------------- */

  .game-page .period-message {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);

    width: 100%;
    text-align: center;

    white-space: nowrap;
  }
}

/* ============================================================
   SMALL SMARTPHONE
   ============================================================ */

@media (max-width: 420px) {

  .game-page .trail-dots {
    gap: 5px;
  }

  .game-page .trail-dot {
    width: 9px;
    height: 9px;
    flex-basis: 9px;
  }
}

/* ============================================================
   VERY SMALL SMARTPHONE
   ============================================================ */
@media (max-width:380px) {

  .game-page .loop-indicator {
    top:140px;
    padding:0 6px;
  }

  .game-page .indicator-row {
    height:68px;
  }

  .game-page .indicator-center {
    width:68px;
    height:68px;
  }

  .game-page .infinity-mark {
    width:68px;
    height:68px;
  }

  .game-page .indicator-side {
    width:78px;
    height:68px;
  }

  .game-page .indicator-side.left {
    left:calc(50% - 112px);
  }

  .game-page .indicator-side.right {
    left:calc(50% + 34px);
  }

  .game-page .indicator-side .arrow-image,
  .game-page .indicator-side .hint-image {
    top:17px;
    width:34px;
    height:34px;
  }

  .game-page .indicator-side.left .hint-image,
  .game-page .indicator-side.right .arrow-image {
    left:38px;
  }
}

/* ============================================================
   MOBILE RESET
   ============================================================ */

@media (max-width: 600px) {

  .game-page #reset {
    width: 180px;
    height: 48px;
    bottom: 14px !important;
  }
}
/* ============================================================
   FINAL LAYOUT FIX
   ============================================================ */


/* ============================================================
   P ROOM
   ???L / ???P をもっと上へ
   PC + スマホ共通
   ============================================================ */

.game-page .room-p .sign.left,
.game-page .room-p .sign.right {
  top: 20% !important;
}


/* ============================================================
   MOBILE ONLY
   ============================================================ */

@media (max-width: 700px) {

  /* ==========================================================
     ∞
     スマホでは .infinity-mark が indicator-row の
     直接の子なので、absolute で画面中央に固定
     ========================================================== */

  .game-page .loop-indicator {
    left: 50% !important;
    width: 100% !important;
    max-width: none !important;
    padding: 0 !important;
    transform: translateX(-50%) !important;
  }

  .game-page .indicator-row {
    position: relative !important;
    width: 100% !important;
    height: 80px !important;
    display: block !important;
  }

  .game-page .infinity-mark {
    position: absolute !important;

    left: 50% !important;
    top: 50% !important;

    width: 80px !important;
    height: 80px !important;

    margin: 0 !important;

    transform: translate(-50%, -50%) !important;

    z-index: 10 !important;
  }


  /* ==========================================================
     左右の ? / 矢印
     ========================================================== */

  .game-page .indicator-side {
    position: absolute !important;

    top: 0 !important;

    width: 90px !important;
    height: 80px !important;

    margin: 0 !important;

    display: block !important;
  }

  .game-page .indicator-side.left {
    left: calc(50% - 130px) !important;
  }

  .game-page .indicator-side.right {
    left: calc(50% + 40px) !important;
  }

  .game-page .indicator-side .arrow-image,
  .game-page .indicator-side .hint-image {
    position: absolute !important;

    top: 20px !important;

    width: 40px !important;
    height: 40px !important;

    margin: 0 !important;

    object-fit: contain !important;
  }

  /* 左：矢印 → ? */
  .game-page .indicator-side.left .arrow-image {
    left: 0 !important;
  }

  .game-page .indicator-side.left .hint-image {
    left: 44px !important;
  }

  /* 右：? → 矢印 */
  .game-page .indicator-side.right .hint-image {
    left: 0 !important;
  }

  .game-page .indicator-side.right .arrow-image {
    left: 44px !important;
  }


  /* ==========================================================
     P ROOM
     ???L / ???P をさらに上へ
     ========================================================== */

  .game-page .room-p .sign.left,
  .game-page .room-p .sign.right {
    top: 5% !important;
  }


  /* ==========================================================
     R ROOM
     ROOF / ROOT を縦に並べる
     
     ROOF：上
     ROOT：下
     ========================================================== */

  .game-page .room-r .roof {
    left: 50% !important;
    right: auto !important;
    top: 2% !important;

    transform: translateX(-50%) !important;
  }

  .game-page .room-r .roof:hover {
    transform: translateX(-50%) scale(1.05) !important;
  }

  .game-page .room-r .root {
    left: 50% !important;
    right: auto !important;
    top: 43% !important;

    transform: translateX(-50%) !important;
  }

  .game-page .room-r .root:hover {
    transform: translateX(-50%) scale(1.05) !important;
  }


  /* ==========================================================
     F ROOM
     FOOT をドアから離して上へ
     ========================================================== */

  .game-page .room-f .foot {
    left: 50% !important;
    top: 3% !important;

    transform: translateX(-50%) !important;
  }

  .game-page .room-f .foot:hover {
    transform: translateX(-50%) scale(1.05) !important;
  }


  /* ==========================================================
     T ROOM
     TOOL をドアから離して上へ
     ========================================================== */

  .game-page .room-t .tool-image {
    left: 50% !important;
    top: 2% !important;

    transform: translateX(-50%) !important;
  }

  .game-page .room-t .tool-image:hover {
    transform: translateX(-50%) scale(1.05) !important;
  }


  /* ==========================================================
     M ROOM
     24:00 を確実に表示
     ========================================================== */

  .game-page .room-m .clock-24 {
    position: absolute !important;

    left: 50% !important;
    top: 250px !important;

    width: max-content !important;
    height: auto !important;

    margin: 0 !important;
    padding: 0 !important;

    transform: translateX(-50%) !important;

    z-index: 100 !important;

    display: block !important;

    color: #222 !important;

    font-size: 24px !important;
    line-height: 1 !important;

    white-space: nowrap !important;

    opacity: 1 !important;
    visibility: visible !important;
  }


  /* ==========================================================
     N ROOM
     12:00 を確実に表示
     ========================================================== */

  .game-page .room-n .clock {
    position: absolute !important;

    left: 50% !important;
    top: 230px !important;

    width: max-content !important;
    height: auto !important;

    margin: 0 !important;

    padding: 0 !important;

    transform: translateX(-50%) scale(1.05) !important;

    z-index: 100 !important;

    display: block !important;

    color: #222 !important;

    font-size: 24px !important;
    line-height: 1 !important;

    white-space: nowrap !important;

    opacity: 1 !important;
    visibility: visible !important;
  }


  /* ==========================================================
     DOOR
     ROOF / ROOT / FOOT / TOOL と距離を取る
     ========================================================== */

  .game-page .door {
    bottom: 35px !important;
  }
}


/* ============================================================
   VERY SMALL SMARTPHONE
   ============================================================ */

@media (max-width: 380px) {

  /* ==========================================================
     ∞
     ========================================================== */

  .game-page .indicator-row {
    height: 68px !important;
  }

  .game-page .infinity-mark {
    left: 50% !important;
    top: 50% !important;

    width: 68px !important;
    height: 68px !important;

    transform: translate(-50%, -50%) !important;
  }


  /* ==========================================================
     R
     ========================================================== */

  .game-page .room-r .roof {
    top: 0 !important;
  }

  .game-page .room-r .root {
    top: 42% !important;
  }


  /* ==========================================================
     F
     ========================================================== */

  .game-page .room-f .foot {
    top: 0 !important;
  }


  /* ==========================================================
     T
     ========================================================== */

  .game-page .room-t .tool-image {
    top: 0 !important;
  }


  /* ==========================================================
     M : 24:00
     ========================================================== */

  .game-page .room-m .clock-24 {
    top: 245px !important;
    font-size: 23px !important;
  }


  /* ==========================================================
     N : 12:00
     ========================================================== */

  .game-page .room-n .clock {
    top: 225px !important;
    font-size: 23px !important;
  }
}
/* ============================================================
   FINAL MOBILE ROOM LAYOUT FIX
   ============================================================ */

@media (max-width: 700px) {

  /* ----------------------------------------------------------
     スマホでは部屋そのものを縦長にする
     → ドアをかなり下へ配置できる
     → 必要ならページをスクロールできる
     ---------------------------------------------------------- */

  .game-page .room {
    height: 1050px !important;
    min-height: 1050px !important;
    overflow: hidden;
  }

  /* ----------------------------------------------------------
     R ROOM
     ROOF
     ROOT

     ROOFを上
     ROOTをそのすぐ下
     ---------------------------------------------------------- */

  .game-page .room-r .roof {
    left: 50% !important;
    right: auto !important;

    top: 2% !important;

    transform: translateX(-50%) !important;

    z-index: 5 !important;
  }

  .game-page .room-r .roof:hover {
    transform: translateX(-50%) scale(1.05) !important;
  }


  .game-page .room-r .root {
    left: 50% !important;
    right: auto !important;

    /*
     * ROOFのすぐ下
     * ただし画像120px＋文字の高さを考えて
     * 十分に間隔を取る
     */
    top: 27% !important;

    transform: translateX(-50%) !important;

    z-index: 5 !important;
  }

  .game-page .room-r .root:hover {
    transform: translateX(-50%) scale(1.05) !important;
  }


  /* ----------------------------------------------------------
     DOOR
     スマホではかなり下へ
     ---------------------------------------------------------- */

  .game-page .door {
    bottom: 130px !important;

    width: 130px !important;
    height: 230px !important;

    z-index: 10 !important;
  }

    .game-page #trail {
    left: 50%;
    top: auto;
    bottom: 380px;
    transform: translateX(-50%);
    width: max-content;
    z-index: 11;
  }

  /* ----------------------------------------------------------
     F ROOM
     FOOTを上側へ
     ---------------------------------------------------------- */

  .game-page .room-f .foot {
    left: 50% !important;
    top: 3% !important;

    transform: translateX(-50%) !important;

    z-index: 5 !important;
  }

  .game-page .room-f .foot:hover {
    transform: translateX(-50%) scale(1.05) !important;
  }


  /* ----------------------------------------------------------
     T ROOM
     TOOLを上側へ
     ---------------------------------------------------------- */

  .game-page .room-t .tool-image {
    left: 50% !important;
    top: 3% !important;

    transform: translateX(-50%) !important;

    z-index: 5 !important;
  }

  .game-page .room-t .tool-image:hover {
    transform: translateX(-50%) scale(1.05) !important;
  }


  /* ----------------------------------------------------------
     M ROOM
     24:00
     ---------------------------------------------------------- */

  .game-page .room-m .clock-24 {
    top: 250px !important;
    z-index: 20 !important;
  }


  /* ----------------------------------------------------------
     N ROOM
     12:00
     ---------------------------------------------------------- */

  .game-page .room-n .clock {
    top: 230px !important;
    z-index: 20 !important;
  }
}


/* ============================================================
   VERY SMALL SMARTPHONE
   ============================================================ */

@media (max-width: 380px) {

  .game-page .room {
    height: 1050px !important;
    min-height: 1050px !important;
  }


  /* R : ROOF */

  .game-page .room-r .roof {
    top: 1% !important;
  }


  /* R : ROOT
     ROOFの下に配置 */

  .game-page .room-r .root {
    top: 28% !important;
  }


  /* F */

  .game-page .room-f .foot {
    top: 2% !important;
  }


  /* T */

  .game-page .room-t .tool-image {
    top: 2% !important;
  }


  /* M */

  .game-page .room-m .clock-24 {
    top: 245px !important;
    font-size: 23px !important;
  }


  /* N */

  .game-page .room-n .clock {
    top: 225px !important;
    font-size: 23px !important;
  }


  /* DOOR */

  .game-page .door {
    bottom: 125px !important;
  }
   .game-page #trail {
    bottom:375px;
  }
}
/* ============================================================
   BACKGROUND IMAGE
   ============================================================ */

.game-page {
  position: relative;
  min-height: 100vh;
  background: #000;
}

/* 背景画像 */
.game-page::before {
  content: "";
  position: fixed;
  inset: 0;

  background-image: url("../image/Background.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;

  opacity: 0.25;

  z-index: -2;
  pointer-events: none;
}

/* 背景画像の上に薄い黒を重ねる */
.game-page::after {
  content: "";
  position: fixed;
  inset: 0;

  background: rgba(0, 0, 0, 0.15);

  z-index: -1;
  pointer-events: none;
}/* ============================================================
   WALL ART
   壁に描かれているように背景画像を配置
   ============================================================ */

#room {
  position: relative;
}

/* 壁に描かれた画像 */
#wall-background {
  position: absolute;

  width: 35%;
  height: 35%;

  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);

  background-image: url("./image/Background.png");
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;

  opacity: 0.25;

  pointer-events: none;
  z-index: 1;
}