:root {
  color-scheme: light;
  --ink: #1d2533;
  --muted: #687384;
  --line: #dce3ea;
  --panel: #ffffff;
  --paper: #f5f8fb;
  --accent: #166d74;
  --accent-strong: #0f545b;
  --warm: #ffb45c;
  --coral: #e86f61;
  --shadow: 0 18px 45px rgba(24, 39, 56, 0.13);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow: hidden;
  font-family: "Segoe UI", "Yu Gothic UI", "Meiryo", sans-serif;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(22, 109, 116, 0.10), transparent 38%),
    linear-gradient(315deg, rgba(232, 111, 97, 0.12), transparent 34%),
    var(--paper);
}

button,
textarea,
select,
input {
  font: inherit;
}

.app-shell {
  width: min(1180px, 100%);
  height: 100vh;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(420px, 1fr) minmax(360px, 1fr);
  gap: clamp(16px, 3vw, 38px);
  align-items: center;
  padding: 10px clamp(10px, 2.2vw, 24px);
  overflow: visible;
}

.stage {
  position: relative;
  min-height: min(660px, calc(100vh - 28px));
  display: grid;
  place-items: center;
  overflow: visible;
  isolation: isolate;
}

.stage::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 18px;
  background:
    radial-gradient(circle at 72% 25%, rgba(255, 180, 92, 0.34), transparent 24%),
    linear-gradient(160deg, #d9f2ee, #f7fafc 58%, #ffe5d8);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.7), var(--shadow);
}

.tour-scene {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(244, 250, 250, 0.18), rgba(255, 246, 238, 0.2)),
    url("assets/asakusa-kaminarimon.jpg") 72% 50% / cover no-repeat;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.72);
}

.tour-scene::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 78% 57%, rgba(255, 255, 255, 0.16), transparent 25%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.1));
  pointer-events: none;
}

.asakusa-backdrop {
  width: 100%;
  height: 100%;
  display: none;
  filter: saturate(0.96) contrast(0.98);
  transform: translate(-4%, -5%) scale(1.06);
  transform-origin: 50% 92%;
}

.status-bar {
  position: absolute;
  top: 6%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: inline-flex;
  gap: 8px;
  align-items: center;
  min-height: 34px;
  padding: 7px 12px;
  border: 1px solid rgba(29, 37, 51, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--muted);
  font-size: 14px;
  backdrop-filter: blur(12px);
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: #99a5b3;
}

.status-dot.active {
  background: #2eb872;
  box-shadow: 0 0 0 5px rgba(46, 184, 114, 0.16);
}

.avatar {
  position: relative;
  z-index: 2;
  width: 650px;
  height: 580px;
  align-self: end;
  justify-self: end;
  margin: 0 -235px -55px 0;
  transform-origin: 50% 100%;
  translate: 0 0;
  overflow: visible;
  transition: transform 0.24s ease;
}

.avatar.speaking {
  animation: none;
}

.avatar.wave .hand-right {
  animation: none;
}

.avatar.nod {
  animation: none;
}

.avatar-image {
  position: absolute;
  left: -11.7%;
  top: -6.9%;
  width: 121.5%;
  height: auto;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 18px 24px rgba(38, 57, 76, 0.16));
}

.image-mouth {
  position: absolute;
  left: 46.5%;
  top: 24.8%;
  z-index: 3;
  width: 7%;
  height: auto;
  display: block;
  transform-origin: 50% 58%;
  transition: transform 0.08s ease, opacity 0.08s ease;
  pointer-events: none;
}

.image-mouth.open {
  transform: scaleY(1.03);
}

.wave-hand {
  position: absolute;
  left: 10.8%;
  top: 25.5%;
  z-index: 4;
  width: 24%;
  height: auto;
  display: block;
  transform-origin: 50% 75%;
  opacity: 1;
  pointer-events: none;
}

.avatar.wave .wave-hand {
  animation: handWave 2.3s ease-in-out 1;
}

.head {
  position: absolute;
  left: 50%;
  top: 46px;
  z-index: 3;
  width: 184px;
  height: 242px;
  transform: translateX(-50%);
  border-radius: 46% 46% 42% 42% / 40% 40% 50% 50%;
  background: #ffd7bb;
  box-shadow: inset 0 -12px rgba(227, 143, 103, 0.12), 0 16px 24px rgba(55, 72, 91, 0.16);
}

.cap {
  position: absolute;
  left: 50%;
  top: -30px;
  z-index: 5;
  width: 170px;
  height: 66px;
  transform: translateX(-50%) rotate(-3deg);
  border-radius: 78px 78px 22px 22px;
  background: #f4efe6;
  box-shadow: inset 0 -10px rgba(29, 37, 51, 0.07);
}

.cap::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 13px;
  width: 45px;
  height: 24px;
  transform: translateX(-50%);
  border-radius: 0 0 20px 20px;
  background: var(--warm);
}

.cap-brim {
  position: absolute;
  right: -38px;
  bottom: 6px;
  width: 68px;
  height: 20px;
  border-radius: 50%;
  background: #e6dccb;
  transform: rotate(9deg);
}

.hair {
  position: absolute;
  top: -6px;
  z-index: 4;
  width: 86px;
  height: 78px;
  background: #5b3b32;
  border-radius: 62% 38% 58% 40%;
  pointer-events: none;
}

.hair-left {
  left: 0;
  transform: rotate(-14deg);
  clip-path: polygon(0 8%, 100% 0, 68% 72%, 22% 100%);
}

.hair-right {
  right: 0;
  transform: rotate(14deg);
  clip-path: polygon(0 0, 100% 8%, 78% 100%, 32% 72%);
}

.hair-back {
  position: absolute;
  left: 50%;
  top: 52px;
  z-index: 1;
  width: 204px;
  height: 278px;
  transform: translateX(-50%);
  border-radius: 48% 48% 38% 38% / 34% 34% 54% 54%;
  background: linear-gradient(170deg, #6d473b, #332526 86%);
  box-shadow: 0 18px 24px rgba(40, 35, 34, 0.17);
  pointer-events: none;
}

.hair-back::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 44px;
  width: 176px;
  height: 200px;
  transform: translateX(-50%);
  border-radius: 44% 44% 40% 40% / 36% 36% 50% 50%;
  background: #ffd7bb;
}

.eye {
  position: absolute;
  top: 110px;
  z-index: 2;
  width: 25px;
  height: 15px;
  border-radius: 70% 70% 60% 60%;
  background: #263141;
  box-shadow: inset 0 5px rgba(255, 255, 255, 0.2);
}

.eye-left {
  left: 43px;
}

.eye-right {
  right: 43px;
}

.eye::after {
  content: "";
  position: absolute;
  top: -3px;
  width: 12px;
  height: 6px;
  border-top: 2px solid #263141;
}

.eye-left::after {
  left: -8px;
  transform: rotate(-24deg);
}

.eye-right::after {
  right: -8px;
  transform: rotate(24deg);
}

.brow {
  position: absolute;
  top: 91px;
  z-index: 2;
  width: 29px;
  height: 4px;
  border-radius: 999px;
  background: #4e332f;
}

.brow-left {
  left: 39px;
  transform: rotate(-5deg);
}

.brow-right {
  right: 39px;
  transform: rotate(5deg);
}

.cheek {
  position: absolute;
  top: 143px;
  z-index: 2;
  width: 26px;
  height: 11px;
  border-radius: 999px;
  background: rgba(236, 118, 113, 0.18);
}

.cheek-left {
  left: 32px;
}

.cheek-right {
  right: 32px;
}

.nose {
  position: absolute;
  left: 50%;
  top: 122px;
  z-index: 2;
  width: 14px;
  height: 38px;
  border-radius: 999px;
  border-right: 2px solid rgba(157, 86, 70, 0.25);
  transform: translateX(-50%);
}

.mouth {
  position: absolute;
  left: 50%;
  bottom: 45px;
  z-index: 2;
  width: 42px;
  height: 11px;
  border-radius: 0 0 999px 999px;
  background: #9b3f43;
  transform: translateX(-50%) scaleY(0.45);
  transform-origin: 50% 10%;
  transition: height 0.08s ease, transform 0.08s ease, border-radius 0.08s ease;
}

.mouth.open {
  height: 29px;
  border-radius: 42% 42% 54% 54%;
  transform: translateX(-50%) scaleY(1);
}

.neck {
  position: absolute;
  left: 50%;
  top: 262px;
  z-index: 2;
  width: 62px;
  height: 64px;
  transform: translateX(-50%);
  background: #f4b995;
  border-radius: 0 0 30px 30px;
}

.body {
  position: absolute;
  left: 50%;
  bottom: 0;
  z-index: 2;
  width: 226px;
  height: 214px;
  transform: translateX(-50%);
  border-radius: 78px 78px 28px 28px / 52px 52px 28px 28px;
  background: linear-gradient(145deg, #24777c, #153f57);
  box-shadow: 0 18px 30px rgba(38, 57, 76, 0.17);
  overflow: hidden;
}

.scarf {
  position: absolute;
  left: 50%;
  top: 0;
  width: 92px;
  height: 72px;
  transform: translateX(-50%);
  background: #d85d70;
  clip-path: polygon(0 0, 100% 0, 73% 100%, 48% 67%, 28% 100%);
}

.camera {
  position: absolute;
  left: 50%;
  top: 90px;
  width: 86px;
  height: 54px;
  transform: translateX(-50%);
  border-radius: 8px;
  background: #f7fafc;
  border: 5px solid rgba(29, 37, 51, 0.74);
  box-shadow: 0 8px 14px rgba(17, 33, 48, 0.18);
}

.camera::before {
  content: "";
  position: absolute;
  left: 10px;
  top: -14px;
  width: 28px;
  height: 14px;
  border-radius: 6px 6px 0 0;
  background: rgba(29, 37, 51, 0.78);
}

.camera-lens {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 34px;
  height: 34px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #f9fbff 0 14%, #6ca6bd 15% 35%, #1d2533 36% 100%);
  border: 4px solid rgba(29, 37, 51, 0.78);
}

.strap {
  position: absolute;
  top: 45px;
  width: 16px;
  height: 170px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.32);
}

.strap-left {
  left: 50px;
  transform: rotate(-8deg);
}

.strap-right {
  right: 50px;
  transform: rotate(8deg);
}

.gesture-hand {
  position: absolute;
  z-index: -1;
  top: 282px;
  width: 54px;
  height: 142px;
  border-radius: 999px 999px 28px 28px;
  background: #ffd7bb;
  transform-origin: 50% 20%;
}

.hand-left {
  left: 28px;
  transform: rotate(18deg);
}

.hand-right {
  right: 26px;
  transform: rotate(-22deg);
}

.control-panel {
  display: grid;
  gap: 9px;
  max-height: calc(100vh - 20px);
  overflow: hidden;
  padding: clamp(12px, 1.8vw, 20px);
  border: 1px solid rgba(29, 37, 51, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.brand-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.eyebrow {
  margin: 0 0 3px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(23px, 2.35vw, 29px);
  line-height: 1.12;
  letter-spacing: 0;
}

.lesson-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 7px;
}

.lesson-strip div {
  min-height: 48px;
  display: grid;
  align-content: center;
  gap: 2px;
  padding: 8px;
  border: 1px solid rgba(22, 109, 116, 0.16);
  border-radius: 8px;
  background: #f1faf8;
}

.lesson-strip strong {
  color: var(--accent-strong);
  font-size: 14px;
}

.lesson-strip span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.field {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

textarea {
  min-height: 74px;
  max-height: 86px;
  resize: vertical;
  padding: 12px;
  line-height: 1.45;
  font-size: 16px;
}

select {
  min-height: 46px;
  padding: 0 12px;
}

.voice-note {
  margin: -4px 0 -2px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

textarea:focus,
select:focus,
input:focus-visible,
button:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(22, 109, 116, 0.13);
}

.grid,
.slider-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.compact {
  min-width: 0;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.actions {
  display: grid;
  grid-template-columns: 0.42fr 1fr;
  gap: 10px;
}

button {
  border: 0;
  border-radius: 8px;
  min-height: 40px;
  padding: 0 16px;
  cursor: pointer;
  font-weight: 750;
  transition: transform 0.16s ease, background 0.16s ease, box-shadow 0.16s ease;
}

button:active {
  transform: translateY(1px);
}

.primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 10px 18px rgba(22, 109, 116, 0.21);
}

.primary:hover {
  background: var(--accent-strong);
}

.secondary,
.preset-row button,
.icon-button {
  background: #eaf0f4;
  color: var(--ink);
}

.secondary:hover,
.preset-row button:hover,
.icon-button:hover {
  background: #dde8ee;
}

.icon-button {
  flex: 0 0 44px;
  width: 44px;
  min-height: 44px;
  display: grid;
  place-items: center;
  padding: 0;
  font-size: 22px;
}

.preset-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.preset-row button {
  min-height: 48px;
  display: grid;
  align-content: center;
  gap: 2px;
  padding: 7px 10px;
  color: #344050;
  font-size: 13px;
  text-align: left;
}

.preset-row strong {
  color: var(--ink);
  font-size: 13px;
}

.preset-row span {
  color: var(--muted);
  font-size: 12px;
}

@keyframes talkBob {
  0%,
  100% {
    transform: translateY(0) rotate(0);
  }
  50% {
    transform: translateY(-7px) rotate(-1deg);
  }
}

@keyframes wave {
  0%,
  100% {
    transform: rotate(-28deg);
  }
  45% {
    transform: rotate(-63deg) translateY(-15px);
  }
  70% {
    transform: rotate(-43deg) translateY(-8px);
  }
}

@keyframes handWave {
  0% {
    transform: rotate(0deg);
  }
  20% {
    transform: rotate(-4deg);
  }
  40% {
    transform: rotate(4deg);
  }
  60% {
    transform: rotate(-4deg);
  }
  80% {
    transform: rotate(4deg);
  }
  100% {
    transform: rotate(0deg);
  }
}

@keyframes nod {
  0%,
  100% {
    transform: translateY(0);
  }
  45% {
    transform: translateY(9px) rotate(1deg);
  }
}

@media (max-width: 820px) {
  .app-shell {
    height: auto;
    min-height: 100vh;
    overflow: visible;
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 14px;
  }

  .stage {
    min-height: 430px;
  }

  .stage::before {
    inset: 0;
  }

  .avatar {
    width: 460px;
    height: 440px;
    margin: 0 -150px -44px 0;
    translate: 0 0;
    transform: none;
  }

  .control-panel {
    padding: 16px;
  }

  .image-mouth {
    top: 22.95%;
  }

  .wave-hand {
    top: 23.32%;
  }

  .grid,
  .slider-row,
  .preset-row,
  .lesson-strip {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 24px;
  }

  textarea {
    min-height: 76px;
    max-height: 86px;
  }
}