:root {
  --accent: #ff604b;
  --accent-strong: #ea4937;
  --ink: #202124;
  --muted: #72777d;
  --line: #d9d9d9;
  --surface: #ffffff;
  --app-bg: #f7f7f7;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --message-bar-bottom: 10px;
  --message-control-height: 42px;
  --ghost-input-overlap: 10px;
  --input-center-from-bottom: calc(var(--message-bar-bottom) + var(--safe-bottom) + (var(--message-control-height) / 2) - var(--ghost-input-overlap));
  --left-ghost-height: clamp(420px, 58dvh, 560px);
}

* {
  box-sizing: border-box;
}

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

body {
  background: #111418;
  color: var(--ink);
  font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  overflow: hidden;
}

button,
input {
  font: inherit;
}

button {
  -webkit-tap-highlight-color: transparent;
}

.appShell {
  width: 100vw;
  height: 100dvh;
  min-height: 560px;
  background: var(--app-bg);
}

.stage {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--app-bg);
}

.appShell[data-loading="true"] .stage,
.appShell[data-loading="true"] .modal,
.appShell[data-loading="true"] .notice {
  visibility: hidden;
}

.loadingScreen {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 28px;
  background: var(--app-bg);
  color: var(--muted);
}

.loadingBox {
  width: min(320px, 82vw);
  display: grid;
  justify-items: center;
  gap: 16px;
}

.loadingLogo {
  width: min(190px, 54vw);
  height: auto;
  object-fit: contain;
}

.loadingTrack {
  width: 100%;
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: #e1e1e1;
}

.loadingBarFill {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  transition: width 180ms ease;
}

.loadingBox p {
  min-height: 18px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
  text-align: center;
}

.appShell:not([data-loading="true"]) .loadingScreen {
  display: none;
}

.topBar {
  position: absolute;
  top: max(18px, env(safe-area-inset-top, 0px));
  left: 22px;
  right: 18px;
  z-index: 8;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  pointer-events: none;
}

.brandBlock {
  display: grid;
  gap: 4px;
}

.brandLogo {
  width: min(42vw, 156px);
  max-height: 58px;
  object-fit: contain;
  object-position: left center;
}

.versionText {
  color: var(--muted);
  font-size: 12px;
  line-height: 1;
}

.menuButton {
  width: 42px;
  height: 42px;
  display: grid;
  gap: 5px;
  place-content: center;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #777;
  cursor: pointer;
  pointer-events: auto;
}

.menuButton span {
  display: block;
  width: 24px;
  height: 2px;
  border-radius: 1px;
  background: currentColor;
}

.balloon {
  position: absolute;
  left: 7.5vw;
  right: 7.5vw;
  top: clamp(158px, 45dvh, calc(100dvh - var(--input-center-from-bottom) - var(--left-ghost-height) - 120px));
  min-height: 96px;
  max-height: 27dvh;
  padding: 18px 17px;
  background: var(--surface);
  border: 2px solid var(--line);
  border-radius: 18px;
  color: #111;
  font-size: clamp(14px, 3.75vw, 17px);
  line-height: 1.45;
  white-space: pre-wrap;
  overflow: auto;
  cursor: pointer;
  z-index: 5;
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.04);
}

.balloonRight {
  top: clamp(142px, 24dvh, 220px);
}

.ghostWrap {
  position: absolute;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  pointer-events: none;
}

.leftGhostWrap {
  left: -5vw;
  right: 14vw;
  bottom: var(--input-center-from-bottom);
  height: var(--left-ghost-height);
}

.rightGhostWrap {
  right: -8vw;
  bottom: calc(var(--input-center-from-bottom) + 26px);
  width: 50vw;
  height: clamp(300px, 42dvh, 440px);
}

.ghost {
  display: block;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: bottom center;
  animation: float 3.2s ease-in-out infinite;
  user-select: none;
  will-change: transform;
}

.rightGhostWrap .ghost {
  opacity: 0.92;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}

.quickActions {
  position: absolute;
  right: 13px;
  bottom: calc(112px + var(--safe-bottom));
  z-index: 7;
  display: grid;
  gap: 12px;
}

.quickAction {
  width: 72px;
  min-height: 50px;
  display: grid;
  place-items: center;
  gap: 2px;
  border: 0;
  background: transparent;
  color: #6f7479;
  font-size: 11px;
  line-height: 1.15;
  word-break: keep-all;
  cursor: pointer;
}

.quickAction span:last-child {
  overflow-wrap: normal;
}

.quickIcon {
  width: 44px;
  height: 44px;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.12));
  user-select: none;
  pointer-events: none;
}

.bottomPanel {
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: calc(var(--message-bar-bottom) + var(--safe-bottom));
  z-index: 9;
}

.messageForm {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 72px;
  gap: 8px;
  align-items: center;
}

.messageForm input {
  width: 100%;
  height: var(--message-control-height);
  min-width: 0;
  padding: 0 16px;
  border: 2px solid var(--accent);
  border-radius: 999px;
  background: #fff;
  color: #111;
  font-size: 16px;
  outline: none;
}

.messageForm input:focus {
  border-color: var(--accent-strong);
}

.sendButton {
  height: var(--message-control-height);
  border: 0;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
}

.sendButton:active {
  background: var(--accent-strong);
}

.menuBar {
  display: grid;
  grid-template-columns: 44px 1fr 44px;
  align-items: stretch;
  min-height: 58px;
  border: 2px solid var(--accent);
  border-radius: 18px;
  background: #fff;
  overflow: hidden;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.16);
}

.arrowButton {
  width: 100%;
  min-height: 58px;
  border: 0;
  background: #fff;
  color: #818181;
  font-size: 34px;
  line-height: 1;
  cursor: pointer;
}

.arrowButton:disabled {
  color: #d2d2d2;
  cursor: default;
}

.menuItems {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
}

.menuItem {
  min-width: 0;
  border: 0;
  background: #fff;
  color: #555;
  padding: 0 4px;
  font-size: 12px;
  line-height: 1.2;
  text-align: center;
  white-space: pre-line;
  word-break: keep-all;
  overflow-wrap: anywhere;
  cursor: pointer;
}

.menuItem:active {
  background: #f7f7f7;
  color: #111;
}

.modal {
  position: fixed;
  inset: 0;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  padding: 18px;
  padding-bottom: max(18px, calc(18px + var(--safe-bottom)));
  background: rgba(0, 0, 0, 0.2);
  z-index: 20;
}

.modalBox {
  width: min(520px, 100%);
  padding: 22px;
  border: 2px solid var(--accent);
  border-radius: 18px;
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.25);
}

.modalBox p {
  margin: 0 0 16px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  white-space: pre-wrap;
}

.modalBox input {
  width: 100%;
  height: 44px;
  padding: 0 12px;
  border: 2px solid #ddd;
  border-radius: 10px;
  outline: none;
}

.modalBox input:focus {
  border-color: var(--accent);
}

.choiceList {
  display: grid;
  gap: 8px;
}

.choiceList button {
  min-height: 44px;
  border: 1px solid #ddd;
  border-radius: 10px;
  background: #fff;
  color: #333;
  cursor: pointer;
  text-align: left;
  padding: 0 12px;
}

.modalActions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 18px;
}

.modalActions button {
  min-width: 82px;
  height: 38px;
  border: 0;
  border-radius: 10px;
  cursor: pointer;
}

#modalCancel {
  background: #ececec;
  color: #555;
}

#modalSubmit {
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}

.notice {
  position: fixed;
  left: 14px;
  right: 14px;
  bottom: calc(66px + var(--safe-bottom));
  padding: 13px 15px;
  border-radius: 12px;
  background: #fff;
  color: #222;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.25);
  z-index: 21;
  white-space: pre-wrap;
}

.hidden {
  display: none !important;
}

@media (min-width: 520px) {
  body {
    display: grid;
    place-items: center;
  }

  .appShell {
    width: min(430px, 100vw);
    height: min(932px, 100dvh);
    min-height: 0;
    border-inline: 1px solid rgba(255, 255, 255, 0.08);
  }
}

@media (max-height: 680px) {
  :root {
    --left-ghost-height: clamp(360px, 54dvh, 460px);
  }

  .brandLogo {
    width: 128px;
  }

  .balloon {
    top: 155px;
    max-height: 24dvh;
    min-height: 82px;
  }

  .leftGhostWrap {
    bottom: var(--input-center-from-bottom);
    height: clamp(360px, 54dvh, 460px);
  }

  .quickActions {
    gap: 6px;
  }
}