@font-face {
  font-family: "WaWa";
  src: url("assets/Fonts/DFPWaWaW5-GB.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "SoodaGongju";
  src: url("assets/Fonts/YDSoodagongju.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --ink: #472817;
  --leaf: #6a9029;
  --leaf-dark: #4f741d;
  --paper: #f6efe0;
  --paper-bright: #fffaf0;
  --focus: #e9b42f;
  --font-hand-en: "WaWa", "Bradley Hand ITC", "Lucida Handwriting",
    "Comic Sans MS", cursive;
  --font-hand-zh: "WaWa", "FZKai-Z03", "KaiTi", "Kaiti SC",
    "Microsoft YaHei UI", cursive;
  --font-hand-ko: "SoodaGongju", "Nanum Brush Script", "UhBee MiMi",
    "KCC-Ganpan", "Malgun Gothic", cursive;
  --font-ui: "Microsoft YaHei UI", "PingFang SC", "Noto Sans SC",
    "Malgun Gothic", "Noto Sans KR", sans-serif;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #1f1711;
}

button {
  font: inherit;
}

.viewport {
  position: relative;
  display: grid;
  width: 100%;
  height: 100%;
  place-items: center;
  overflow: hidden;
}

.stage {
  position: relative;
  width: min(100vw, calc(100vh * 16 / 9));
  height: min(100vh, calc(100vw * 9 / 16));
  aspect-ratio: 16 / 9;
  overflow: hidden;
  isolation: isolate;
  background: var(--paper);
  box-shadow: 0 0 48px rgb(0 0 0 / 24%);
}

.layer,
.decorations {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.layer {
  display: block;
  object-fit: fill;
  pointer-events: none;
  user-select: none;
}

.background {
  z-index: 0;
}

.decorations {
  z-index: 2;
  pointer-events: none;
}

.shape {
  transform-origin: center;
  will-change: transform, opacity, filter;
  transition:
    transform 760ms cubic-bezier(0.55, 0.02, 0.42, 0.98),
    opacity 580ms ease,
    filter 580ms ease;
}

.title-art {
  z-index: 4;
  animation: title-float 4.8s ease-in-out infinite;
  will-change: transform;
}

.menu-actions {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
}

.sketch-button {
  position: absolute;
  min-width: max-content;
  padding: 0.12em 0.25em 0.14em;
  border: 0;
  border-bottom: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-hand-en);
  font-size: clamp(17px, 2.2vw, 44px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: 0.025em;
  white-space: nowrap;
  cursor: pointer;
  pointer-events: auto;
  transform-origin: center;
  text-shadow: 0.025em 0.035em 0 rgb(255 255 255 / 52%);
  transition:
    color 180ms ease,
    transform 180ms ease,
    opacity 360ms ease;
}

html[lang="zh"] .sketch-button {
  font-family: var(--font-hand-zh);
  font-size: clamp(18px, 2.05vw, 41px);
  font-weight: 400;
  letter-spacing: 0.1em;
}

html[lang="ko"] .sketch-button {
  font-family: var(--font-hand-ko);
  font-size: clamp(18px, 2vw, 40px);
  font-weight: 400;
  letter-spacing: 0.055em;
}

.sketch-button::before,
.sketch-button::after {
  position: absolute;
  right: 0;
  bottom: -0.27em;
  left: 0;
  height: 0.26em;
  content: "";
  background-position: center;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  transform-origin: center;
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.sketch-button::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 12' preserveAspectRatio='none'%3E%3Cpath d='M2 7 C15 3 27 9 41 6 S67 9 81 5 S106 8 118 5' fill='none' stroke='%23472817' stroke-width='2.2' stroke-linecap='round'/%3E%3Cpath d='M4 9 C26 7 46 10 68 8 S101 10 116 7' fill='none' stroke='%23472817' stroke-opacity='.28' stroke-width='1' stroke-linecap='round'/%3E%3C/svg%3E");
}

.sketch-button::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 12' preserveAspectRatio='none'%3E%3Cpath d='M2 7 C15 2 29 10 43 6 S70 9 84 4 S107 8 118 5' fill='none' stroke='%236A9029' stroke-width='2.6' stroke-linecap='round'/%3E%3C/svg%3E");
  opacity: 0;
  transform: translateX(-0.12em) rotate(-0.4deg);
}

.sketch-button:hover,
.sketch-button:focus-visible {
  color: var(--leaf-dark);
  transform: translateY(-0.09em) rotate(-0.35deg);
}

.sketch-button:hover::after,
.sketch-button:focus-visible::after {
  opacity: 1;
  transform: translateX(0.04em) rotate(0.25deg);
}

.sketch-button:focus-visible,
.language-menu button:focus-visible,
.return-button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 5px;
}

.sketch-button:active {
  transform: translateY(0.02em) scale(0.97);
}

.start-button {
  top: 49.6%;
  left: 9.7%;
}

.bgm-button {
  top: 64.7%;
  left: 10.8%;
}

.bgm-state {
  display: inline-block;
  min-width: 3.2ch;
  color: var(--leaf-dark);
  text-align: left;
}

.language-control {
  position: absolute;
  top: 79.7%;
  left: 6.8%;
  pointer-events: auto;
  transition:
    transform 360ms ease,
    opacity 360ms ease;
}

.language-control .language-button {
  position: relative;
}

.language-menu {
  position: absolute;
  bottom: calc(100% + 0.9rem);
  left: 0;
  display: grid;
  min-width: 10rem;
  padding: 0.55rem;
  border: 1px solid rgb(71 40 23 / 25%);
  border-radius: 2px;
  background: rgb(255 250 240 / 94%);
  box-shadow: 0 12px 34px rgb(71 40 23 / 18%);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition:
    opacity 180ms ease,
    transform 180ms ease;
  backdrop-filter: blur(7px);
}

.language-control.is-open .language-menu {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.language-menu button {
  padding: 0.55rem 0.75rem;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: clamp(13px, 1vw, 18px);
  text-align: left;
  cursor: pointer;
}

.language-menu button:hover {
  background: rgb(106 144 41 / 12%);
  color: var(--leaf-dark);
}

.warm-light {
  position: absolute;
  z-index: 8;
  top: 49%;
  left: 52%;
  width: 20vmax;
  height: 20vmax;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgb(255 253 246 / 100%) 0%,
    rgb(255 249 235 / 98%) 42%,
    rgb(246 239 224 / 76%) 68%,
    rgb(246 239 224 / 0%) 100%
  );
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.08);
  pointer-events: none;
  will-change: transform, opacity;
}

.return-button {
  justify-self: center;
  padding: 0.7rem 1rem;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-ui);
  cursor: pointer;
}

.stage.is-transitioning .shape-1 {
  opacity: 0;
  transform: translate(-10vw, 16vh) rotate(-7deg) scale(0.96);
  filter: blur(2px);
}

.stage.is-transitioning .shape-2 {
  opacity: 0;
  transform: translate(-12vw, -13vh) rotate(-5deg) scale(0.95);
  filter: blur(2px);
}

.stage.is-transitioning .shape-3 {
  opacity: 0;
  transform: translate(1vw, -17vh) rotate(5deg) scale(0.96);
  filter: blur(2px);
}

.stage.is-transitioning .shape-4 {
  opacity: 0;
  transform: translate(13vw, -11vh) rotate(6deg) scale(0.95);
  filter: blur(2px);
}

.stage.is-transitioning .sketch-button,
.stage.is-transitioning .language-menu {
  opacity: 0;
  pointer-events: none;
}

.stage.is-transitioning .start-button,
.stage.is-transitioning .bgm-button,
.stage.is-transitioning .language-control {
  transform: translateX(-5vw);
}

.stage.is-transitioning .warm-light {
  animation: light-bloom 1.55s 420ms cubic-bezier(0.33, 0.02, 0.2, 1) forwards;
}

.rotate-notice {
  position: fixed;
  z-index: 30;
  inset: 0;
  display: none;
  place-content: center;
  gap: 0.7rem;
  padding: 2rem;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-ui);
  text-align: center;
}

.rotate-notice strong {
  font-size: 1.2rem;
  letter-spacing: 0.08em;
}

.rotate-notice span:last-child {
  color: rgb(71 40 23 / 68%);
  font-size: 0.9rem;
}

.rotate-icon {
  color: var(--leaf-dark);
  font-size: 3.5rem;
  line-height: 1;
}

@keyframes title-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-0.48%);
  }
}

@keyframes light-bloom {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.08);
  }
  18% {
    opacity: 0.78;
  }
  100% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(10);
  }
}

@media (orientation: portrait) and (max-width: 900px) {
  .rotate-notice {
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  .title-art {
    animation: none;
  }

  .shape,
  .sketch-button,
  .language-menu {
    transition-duration: 1ms;
  }

  .stage.is-transitioning .warm-light {
    animation-duration: 1ms;
    animation-delay: 1ms;
  }
}

.street-scene { position: absolute; inset: 0; z-index: 25; visibility: hidden; opacity: 0; pointer-events: none; background: #050505; transition: opacity 1s ease, visibility 0s 1s; }
.street-scene.is-preparing { visibility: visible; }
.street-scene.is-active { visibility: visible; opacity: 1; pointer-events: auto; transition-delay: 0s; }
.street-scene iframe { width: 100%; height: 100%; border: 0; display: block; }
.restaurant-game-scene { position: absolute; inset: 0; z-index: 26; visibility: hidden; opacity: 0; pointer-events: none; background: #f6efe0; transition: opacity .55s ease, visibility 0s .55s; }
.restaurant-game-scene.is-preparing { visibility: visible; }
.restaurant-game-scene.is-active { visibility: visible; opacity: 1; pointer-events: auto; transition-delay: 0s; }
.restaurant-game-scene iframe { width: 100%; height: 100%; border: 0; display: block; }
.beach-game-scene { position: absolute; inset: 0; z-index: 27; visibility: hidden; opacity: 0; pointer-events: none; background: #f6efe0; transition: opacity .55s ease, visibility 0s .55s; }
.beach-game-scene.is-preparing { visibility: visible; }
.beach-game-scene.is-active { visibility: visible; opacity: 1; pointer-events: auto; transition-delay: 0s; }
.beach-game-scene iframe { width: 100%; height: 100%; border: 0; display: block; }
.finale-game-scene { position: absolute; inset: 0; z-index: 28; visibility: hidden; opacity: 0; pointer-events: none; background: #050505; transition: opacity 1s ease, visibility 0s 1s; }
.finale-game-scene.is-preparing { visibility: visible; }
.finale-game-scene.is-active { visibility: visible; opacity: 1; pointer-events: auto; transition-delay: 0s; }
.finale-game-scene iframe { width: 100%; height: 100%; border: 0; display: block; }
.epilogue-game-scene { position:absolute; inset:0; z-index:29; visibility:hidden; opacity:0; pointer-events:none; overflow:hidden; background:#070606; transition:opacity .85s ease,visibility 0s .85s; }
.epilogue-game-scene.is-preparing { visibility:visible; }
.epilogue-game-scene.is-active { visibility:visible; opacity:1; pointer-events:auto; transition-delay:0s; }
.epilogue-game-scene iframe { width:100%; height:100%; border:0; display:block; opacity:0; transition:opacity .85s ease; }
.epilogue-game-scene.is-ready iframe { opacity:1; }