:root {
  color-scheme: dark;
  --night-deep: #08101f;
  --night: #0f172a;
  --night-soft: #1e293b;
  --washi: #f4ead7;
  --washi-light: #fff7e8;
  --washi-deep: #efe0c5;
  --ink: #3a2f25;
  --cream: #f8f1e5;
  --muted: #b8aa96;
  --vermilion: #b9472e;
  --vermilion-dark: #8f2f24;
  --lantern: #f4a340;
  --gold: #c8a45d;
  --focus: #ffd690;
  --shadow: rgba(2, 6, 23, 0.48);
  --screen-padding: clamp(16px, 4.5vw, 28px);
  --content-width: 720px;
  --content-wide: 1240px;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Hiragino Sans",
    "Yu Gothic", "YuGothic", sans-serif;
  --font-serif: "Yu Mincho", "Hiragino Mincho ProN", "Hiragino Mincho Pro",
    serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  max-width: 100%;
  margin: 0;
  overflow-x: hidden;
}

html {
  background: var(--night-deep);
}

body {
  min-height: 100vh;
  min-height: 100svh;
  color: var(--cream);
  font-family: var(--font-body);
  line-height: 1.75;
  background-color: var(--night);
  background-image:
    linear-gradient(
      180deg,
      rgba(5, 10, 20, 0.25) 0%,
      rgba(5, 10, 20, 0.45) 48%,
      rgba(5, 10, 20, 0.64) 100%
    ),
    radial-gradient(circle at 18% 13%, rgba(244, 163, 64, 0.12), transparent 24rem),
    radial-gradient(circle at 82% 28%, rgba(200, 164, 93, 0.09), transparent 21rem),
    url("assets/bg-night-shrine-mobile.png"),
    linear-gradient(180deg, #10192c 0%, #0f172a 44%, #080f1e 100%);
  background-position:
    center top,
    18% 13%,
    82% 28%,
    center top,
    center;
  background-repeat: no-repeat;
  background-size:
    cover,
    auto,
    auto,
    cover,
    cover;
}

body::before,
body::after {
  position: fixed;
  z-index: 0;
  width: 3px;
  height: 3px;
  content: "";
  pointer-events: none;
  border-radius: 50%;
  background: rgba(244, 163, 64, 0.55);
  box-shadow:
    12vw 7vh rgba(244, 163, 64, 0.28),
    31vw 20vh rgba(200, 164, 93, 0.24),
    62vw 9vh rgba(244, 163, 64, 0.2),
    84vw 35vh rgba(200, 164, 93, 0.18),
    71vw 67vh rgba(244, 163, 64, 0.15),
    20vw 78vh rgba(200, 164, 93, 0.16);
  animation: firefly 7s ease-in-out infinite alternate;
}

body::after {
  top: 24vh;
  left: 9vw;
  opacity: 0.65;
  animation-delay: -3s;
  transform: scale(0.7);
}

button,
textarea {
  font: inherit;
}

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

h1,
h2,
p {
  margin-top: 0;
}

[hidden] {
  display: none !important;
}

.ambient-light {
  position: fixed;
  z-index: 0;
  top: 12rem;
  width: 14rem;
  height: 23rem;
  pointer-events: none;
  opacity: 0.2;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(244, 163, 64, 0.38), transparent 68%);
  filter: blur(24px);
  animation: lantern-flicker 5s ease-in-out infinite alternate;
}

.ambient-light--left {
  left: -9rem;
}

.ambient-light--right {
  right: -9rem;
  animation-delay: -2.3s;
}

.app,
.screen,
.intro-screen,
.guide-screen,
.input-screen,
.eating-screen,
.result-screen,
.closing-screen,
.speech-bubble,
.input-card,
.response-card,
.closing-bubble {
  width: 100%;
  max-width: 100%;
}

.app {
  position: relative;
  z-index: 1;
  --screen-enter-duration: 3000ms;
  --screen-exit-duration: 1000ms;
  min-height: 100vh;
  min-height: 100svh;
  overflow: clip;
  overflow-anchor: none;
}

.screen {
  min-height: 100vh;
  min-height: 100svh;
  padding-inline: var(--screen-padding);
  opacity: 0;
}

.screen.is-active {
  opacity: 1;
  animation: screen-in var(--screen-enter-duration) cubic-bezier(0.16, 1, 0.3, 1) both;
}

.screen.is-leaving {
  position: absolute;
  z-index: 2;
  inset: 0;
  pointer-events: none;
  animation: screen-out var(--screen-exit-duration) ease both;
}

.intro-screen {
  display: grid;
  place-items: center;
  text-align: center;
}

.intro-screen__content {
  width: min(100%, 620px);
  max-width: 100%;
  transform: translateY(-2vh);
}

.intro-screen__logo {
  display: block;
  width: min(240px, 72vw);
  height: auto;
  margin: 0 auto 12px;
  filter:
    drop-shadow(0 0 18px rgba(244, 163, 64, 0.22))
    drop-shadow(0 8px 22px rgba(2, 6, 23, 0.36));
}

.intro-screen__eyebrow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 10px;
  color: var(--gold);
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.22em;
}

.intro-screen__eyebrow::before,
.intro-screen__eyebrow::after {
  flex: 0 1 34px;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(200, 164, 93, 0.75));
}

.intro-screen__eyebrow::after {
  transform: rotate(180deg);
}

.intro-screen__subtitle {
  margin-bottom: 0;
  color: #e8dac8;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.65;
  letter-spacing: 0.07em;
}

.guide-screen {
  display: grid;
  place-items: center;
  padding-block: 24px;
}

.guide-screen__content {
  display: grid;
  width: min(100%, 560px);
  max-width: 100%;
  justify-items: center;
}

.character-figure {
  position: relative;
  display: grid;
  max-width: 100%;
  place-items: center;
}

.character-fallback {
  position: absolute;
  z-index: -1;
  display: none;
  width: 100%;
  height: 62%;
  place-items: center;
  border: 0;
  border-radius: 14px;
  color: var(--muted);
  background: rgba(8, 16, 31, 0.72);
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 0.08em;
}

.character-figure.is-missing .character-fallback {
  z-index: 1;
  display: grid;
}

.character-figure.is-missing img {
  visibility: hidden;
}

.character-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  user-select: none;
  -webkit-user-drag: none;
}

.guide-koyori {
  width: min(35vw, 150px);
  margin-bottom: -8px;
  filter: drop-shadow(0 12px 16px rgba(2, 6, 23, 0.5));
}

.guide-koyori::after,
.koyori-figure::after,
.result-koyori::after {
  display: none;
  content: none;
}

.speech-bubble,
.input-card,
.response-card,
.closing-bubble {
  position: relative;
  overflow: hidden;
  color: var(--ink);
  border: 1.5px solid rgba(200, 164, 93, 0.72);
  background:
    radial-gradient(circle at 50% 5%, rgba(185, 71, 46, 0.06), transparent 6.5rem),
    linear-gradient(rgba(255, 249, 237, 0.985), rgba(239, 224, 197, 0.992)),
    var(--washi);
  box-shadow:
    0 24px 58px rgba(2, 6, 23, 0.56),
    0 0 0 1px rgba(255, 247, 232, 0.34),
    inset 0 0 0 1px rgba(255, 255, 255, 0.72);
}

.speech-bubble {
  width: min(100%, 560px);
  margin: 0 auto 16px;
  padding: 18px 19px 17px;
  border-radius: 20px;
  overflow: visible;
  text-align: center;
}

.card-corners {
  position: absolute;
  z-index: 0;
  inset: 0;
  pointer-events: none;
}

.card-corner {
  position: absolute;
  width: clamp(28px, 7vw, 42px);
  aspect-ratio: 1;
  opacity: 0.72;
  background-image: url("assets/deco-card-corner-gold.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  filter: drop-shadow(0 1px 0 rgba(255, 247, 232, 0.42));
}

.card-corner--top-left {
  top: 10px;
  left: 10px;
  transform: rotate(270deg);
}

.card-corner--top-right {
  top: 10px;
  right: 10px;
  transform: rotate(0deg);
}

.card-corner--bottom-right {
  right: 10px;
  bottom: 10px;
  transform: rotate(90deg);
}

.card-corner--bottom-left {
  bottom: 10px;
  left: 10px;
  transform: rotate(180deg);
}

.speech-bubble::before {
  position: absolute;
  z-index: 1;
  top: -10px;
  right: clamp(34px, 17%, 88px);
  width: 20px;
  height: 20px;
  content: "";
  border-top: 1.5px solid rgba(200, 164, 93, 0.72);
  border-left: 1.5px solid rgba(200, 164, 93, 0.72);
  background:
    linear-gradient(135deg, rgba(255, 249, 237, 0.985), rgba(239, 224, 197, 0.992)),
    var(--washi);
  box-shadow: -4px -4px 10px rgba(2, 6, 23, 0.08);
  transform: rotate(45deg);
}

.speech-bubble::after,
.closing-bubble::after {
  position: absolute;
  right: 1.1rem;
  bottom: 0.95rem;
  left: 1.1rem;
  height: 1px;
  content: "";
  background:
    linear-gradient(90deg, rgba(200, 164, 93, 0.46), transparent 18%),
    linear-gradient(270deg, rgba(200, 164, 93, 0.46), transparent 18%);
  pointer-events: none;
}

.speech-bubble__name {
  position: relative;
  z-index: 1;
  margin-bottom: 3px;
  color: var(--vermilion);
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.speech-bubble p:last-child {
  position: relative;
  z-index: 1;
  margin-bottom: 0;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.82;
}

.guide-button {
  width: min(100%, 320px);
}

.compact-header {
  width: min(100%, var(--content-width));
  margin-inline: auto;
  padding-top: 14px;
}

.compact-title {
  margin-bottom: 0;
  color: var(--cream);
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.09em;
  text-shadow: 0 0 12px rgba(244, 163, 64, 0.24);
}

.compact-title__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: inherit;
  text-decoration: none;
  transition:
    color 180ms ease,
    filter 180ms ease,
    opacity 180ms ease;
}

.compact-title__link::before {
  display: inline-block;
  width: 60px;
  height: 60px;
  flex: 0 0 auto;
  content: "";
  background: url("assets/logo.png") center / contain no-repeat;
  filter: drop-shadow(0 0 8px rgba(244, 163, 64, 0.22));
}

.compact-title__link:hover {
  color: #fff7e8;
  filter: drop-shadow(0 0 10px rgba(244, 163, 64, 0.18));
}

.compact-title__link:focus-visible {
  outline: 2px solid rgba(244, 163, 64, 0.86);
  outline-offset: 5px;
  border-radius: 8px;
}

.input-screen {
  padding-bottom: 16px;
}

.input-screen__body,
.result-screen__body {
  width: min(100%, var(--content-width));
  max-width: 100%;
  margin-inline: auto;
}

.character-area,
.input-card,
.status-message,
.result-characters,
.response-card,
.result-panel {
  width: min(100%, var(--content-width));
  margin-inline: auto;
}

.character-stage {
  position: relative;
  min-height: clamp(330px, 94vw, 380px);
  isolation: isolate;
}

.character-stage::before,
.result-stage::before,
.eating-screen__content::before {
  display: none;
  content: none;
}

.guchikui-figure {
  position: absolute;
  z-index: 1;
  bottom: -3px;
  left: 47%;
  width: min(78vw, 340px);
  transform: translateX(-50%);
}

.guchikui-figure::after,
.result-guchikui::after {
  position: absolute;
  z-index: -1;
  right: 14%;
  bottom: 2px;
  left: 14%;
  height: 14px;
  content: "";
  pointer-events: none;
  border-radius: 50%;
  background: radial-gradient(
    ellipse,
    rgba(2, 6, 23, 0.32) 0%,
    rgba(2, 6, 23, 0.18) 42%,
    transparent 72%
  );
  filter: blur(5px);
}

.guchikui-img,
.result-guchikui img {
  filter: drop-shadow(0 20px 22px rgba(2, 6, 23, 0.5));
  animation: breathe 4.8s ease-in-out infinite;
}

.koyori-figure {
  position: absolute;
  z-index: 2;
  right: clamp(0px, 3vw, 20px);
  bottom: 4px;
  width: min(24vw, 104px);
  filter: drop-shadow(0 12px 16px rgba(2, 6, 23, 0.5));
}

.input-card {
  padding: 1rem;
  border: 1px solid rgba(200, 164, 93, 0.65);
  border-radius: 22px;
}

.input-card label {
  display: block;
  margin-bottom: 7px;
  color: var(--vermilion-dark);
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
  text-align: center;
  letter-spacing: 0.04em;
}

.input-card label::after {
  display: block;
  width: 64px;
  height: 1px;
  margin: 4px auto 0;
  content: "";
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

textarea {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 130px;
  min-height: 130px;
  resize: vertical;
  padding: 13px 14px;
  border: 1px solid rgba(143, 47, 36, 0.46);
  border-radius: 13px;
  outline: none;
  color: var(--ink);
  background: rgba(255, 250, 240, 0.74);
  font-size: 16px;
  line-height: 1.7;
  caret-color: var(--vermilion-dark);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

textarea::placeholder {
  color: #807467;
  opacity: 1;
}

textarea:focus-visible {
  border-color: var(--vermilion);
  box-shadow:
    0 0 0 3px rgba(185, 71, 46, 0.18),
    0 0 0 6px rgba(255, 214, 144, 0.25);
}

.primary-button,
.secondary-button,
.finish-button {
  display: inline-flex;
  max-width: 100%;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 700;
  line-height: 1.4;
  text-align: center;
  cursor: pointer;
  transition:
    transform 0.18s ease,
    background-color 0.18s ease,
    box-shadow 0.18s ease,
    opacity 0.18s ease;
}

.primary-button {
  width: 100%;
  margin-top: 9px;
  padding: 12px 18px;
  border: 1px solid rgba(255, 247, 232, 0.2);
  color: var(--washi-light);
  background: linear-gradient(180deg, var(--vermilion), var(--vermilion-dark));
  box-shadow: 0 9px 20px rgba(143, 47, 36, 0.25);
}

.primary-button:not(:disabled):hover,
.secondary-button:hover,
.finish-button:hover {
  transform: translateY(-1px);
}

.primary-button:not(:disabled):active,
.secondary-button:active,
.finish-button:active {
  transform: translateY(1px);
}

.primary-button:disabled {
  border-color: rgba(58, 47, 37, 0.1);
  color: #746c63;
  background: #c7bfb2;
  box-shadow: none;
  cursor: not-allowed;
}

.primary-button:focus-visible,
.secondary-button:focus-visible,
.finish-button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.privacy-note {
  margin: 7px 2px 0;
  color: #62584f;
  font-size: 12px;
  line-height: 1.5;
  text-align: center;
}

.privacy-note strong {
  color: var(--ink);
  font-size: 14px;
}

.status-message {
  min-height: 22px;
  margin-block: 5px 0;
  color: #e8cfa7;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.6;
  text-align: center;
  white-space: pre-line;
}

.eating-screen {
  display: grid;
  grid-template-rows: auto 1fr;
  padding-bottom: 28px;
}

.eating-screen__content {
  position: relative;
  display: grid;
  width: min(100%, 640px);
  max-width: 100%;
  min-height: 0;
  margin-inline: auto;
  align-content: center;
  justify-items: center;
}

.eating-figure {
  position: relative;
  width: min(84vw, 380px);
  isolation: isolate;
}

.eating-screen__image {
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 24px 28px rgba(2, 6, 23, 0.55));
  animation: eating 0.9s ease-in-out infinite;
}

.eating-ritual {
  position: absolute;
  z-index: 3;
  inset: -8% -12% 5%;
  pointer-events: none;
}

.eating-paper {
  position: absolute;
  top: var(--paper-y-start);
  left: var(--paper-x-start);
  display: grid;
  width: var(--paper-width);
  height: var(--paper-width);
  place-items: center;
  opacity: 0;
  background: url("assets/paper.png") center / contain no-repeat;
  filter: drop-shadow(0 10px 16px rgba(2, 6, 23, 0.26));
  transform:
    translate3d(var(--paper-x-reveal), var(--paper-y-reveal), 0)
    rotate(var(--paper-rotate-start))
    scale(var(--paper-scale-start));
  animation: paper-devour 3.35s var(--paper-delay) cubic-bezier(0.45, 0, 0.2, 1) both;
}

.eating-paper::before,
.eating-paper::after,
.eating-paper > span::before {
  content: "";
  display: none;
}

.eating-paper--1 {
  --paper-width: 86px;
  --paper-x-start: 5%;
  --paper-y-start: 58%;
  --paper-x-reveal: 74px;
  --paper-y-reveal: -92px;
  --paper-x-end: 128px;
  --paper-y-end: -20px;
  --paper-rotate-start: -12deg;
  --paper-rotate-end: 18deg;
  --paper-scale-start: 1.86;
  --paper-scale-hold: 1.72;
  --paper-delay: 0.16s;
}

.eating-screen__message {
  margin: 10px 0 0;
  color: #eed7b3;
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.65;
  text-align: center;
  letter-spacing: 0.03em;
}

.eating-screen__submessage {
  max-width: 28em;
  margin: 4px 0 0;
  color: rgba(248, 241, 229, 0.78);
  font-family: var(--font-serif);
  font-size: 12px;
  line-height: 1.7;
  text-align: center;
  letter-spacing: 0.04em;
}

.result-screen {
  padding-bottom: 20px;
}

.result-stage {
  position: relative;
  min-height: clamp(320px, 92vw, 360px);
  isolation: isolate;
}

.result-guchikui {
  position: absolute;
  z-index: 1;
  bottom: -12px;
  left: 46%;
  width: min(68vw, 300px);
  transform: translateX(-50%);
}

.result-koyori {
  position: absolute;
  z-index: 2;
  right: clamp(0px, 5vw, 32px);
  bottom: -7px;
  width: min(25vw, 108px);
  filter: drop-shadow(0 12px 16px rgba(2, 6, 23, 0.5));
}

.result-koyori::before {
  position: absolute;
  z-index: -1;
  right: 18%;
  bottom: -2px;
  left: 18%;
  height: 11px;
  content: "";
  pointer-events: none;
  border-radius: 50%;
  background: radial-gradient(
    ellipse,
    rgba(2, 6, 23, 0.3) 0%,
    rgba(2, 6, 23, 0.15) 45%,
    transparent 72%
  );
  filter: blur(4px);
}

.response-card {
  margin-top: 18px;
  padding: 20px 18px 19px;
  border-radius: 20px;
  overflow: hidden;
  text-align: center;
}

.result-panel {
  width: 100%;
  max-width: 100%;
}

.card-flower {
  position: relative;
  z-index: 1;
  display: block;
  margin-bottom: 0.25rem;
  color: var(--vermilion);
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1;
  opacity: 0.78;
}

.response-card::after {
  position: absolute;
  right: 1.1rem;
  bottom: 1rem;
  left: 1.1rem;
  height: 1px;
  content: "";
  background:
    linear-gradient(90deg, rgba(200, 164, 93, 0.46), transparent 18%),
    linear-gradient(270deg, rgba(200, 164, 93, 0.46), transparent 18%);
  pointer-events: none;
}

.response-card__kicker {
  position: relative;
  z-index: 1;
  margin-bottom: 2px;
  color: var(--vermilion);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.17em;
}

.response-card h2 {
  position: relative;
  z-index: 1;
  margin-bottom: 10px;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.response-card__message {
  position: relative;
  z-index: 1;
  margin-bottom: 15px;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 500;
  line-height: 1.9;
  white-space: pre-line;
}

.response-actions {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
  width: min(100%, 320px);
  margin: 14px auto 0;
  justify-items: center;
}

.secondary-button,
.finish-button {
  width: min(100%, 270px);
  padding: 11px 22px;
}

.secondary-button {
  border: 1px solid var(--vermilion-dark);
  color: var(--vermilion-dark);
  background:
    linear-gradient(rgba(255, 249, 237, 0.96), rgba(239, 224, 197, 0.96)),
    var(--washi);
}

.secondary-button:hover {
  color: var(--washi-light);
  background: var(--vermilion-dark);
}

.finish-button {
  border: 1px solid rgba(200, 164, 93, 0.5);
  color: #6f3d30;
  background:
    linear-gradient(rgba(255, 249, 237, 0.94), rgba(239, 224, 197, 0.94)),
    var(--washi);
  font-size: 14px;
}

.finish-button:hover {
  color: var(--ink);
  border-color: rgba(185, 71, 46, 0.46);
  background:
    linear-gradient(rgba(244, 234, 215, 0.98), rgba(226, 199, 154, 0.98)),
    var(--washi-deep);
}

.closing-screen {
  display: grid;
  grid-template-rows: auto 1fr;
  padding-bottom: 28px;
}

.closing-screen__content {
  display: grid;
  width: min(100%, 560px);
  margin-inline: auto;
  align-content: center;
  justify-items: center;
  gap: 0;
  padding-bottom: 6vh;
  text-align: center;
}

.closing-koyori {
  width: min(36vw, 150px);
  margin-bottom: -4px;
  filter: drop-shadow(0 14px 18px rgba(2, 6, 23, 0.52));
}

.closing-koyori::after {
  display: none;
  content: none;
}

.closing-bubble {
  width: min(100%, 520px);
  padding: 20px 18px 21px;
  border-radius: 20px;
  overflow: visible;
}

.closing-bubble::before {
  position: absolute;
  top: -10px;
  right: clamp(36px, 18%, 92px);
  width: 20px;
  height: 20px;
  content: "";
  border-top: 1.5px solid rgba(200, 164, 93, 0.72);
  border-left: 1.5px solid rgba(200, 164, 93, 0.72);
  background:
    linear-gradient(135deg, rgba(255, 249, 237, 0.985), rgba(239, 224, 197, 0.992)),
    var(--washi);
  box-shadow: -4px -4px 10px rgba(2, 6, 23, 0.08);
  transform: rotate(45deg);
}

.closing-bubble:focus {
  outline: none;
}

.closing-bubble:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.closing-screen__kicker {
  position: relative;
  z-index: 1;
  margin-bottom: 5px;
  color: var(--vermilion);
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.17em;
}

.closing-screen h2 {
  position: relative;
  z-index: 1;
  margin-bottom: 0;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.85;
  letter-spacing: 0.05em;
  text-shadow: none;
  white-space: pre-line;
}

.app-footer {
  position: relative;
  z-index: 1;
  width: min(calc(100% - (var(--screen-padding) * 2)), var(--content-width));
  max-width: 100%;
  margin: 0 auto;
  padding: 14px 8px 20px;
  border-top: 1px solid rgba(184, 170, 150, 0.23);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.8;
  text-align: center;
}

.app-footer p {
  margin-bottom: 0;
}

.noscript-note {
  position: fixed;
  z-index: 5;
  right: 16px;
  bottom: 16px;
  left: 16px;
  max-width: calc(100% - 32px);
  margin: 0;
  padding: 12px;
  border-radius: 8px;
  color: var(--ink);
  background: var(--washi-light);
  text-align: center;
}

@keyframes screen-in {
  from {
    opacity: 0;
    filter: blur(2px);
    transform: translateY(12px) scale(0.996);
  }
  to {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
  }
}

@keyframes screen-out {
  from {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0) scale(1);
  }
  to {
    opacity: 0;
    filter: blur(1px);
    transform: translateY(-8px) scale(0.998);
  }
}

@keyframes breathe {
  0%,
  100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-4px) scale(1.008);
  }
}

@keyframes eating {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.035);
  }
}

@keyframes paper-devour {
  0% {
    opacity: 0;
    filter: blur(1px);
    transform:
      translate3d(var(--paper-x-reveal), calc(var(--paper-y-reveal) + 14px), 0)
      rotate(var(--paper-rotate-start))
      scale(calc(var(--paper-scale-start) * 0.86));
  }
  18% {
    opacity: 0.95;
    filter: blur(0);
    transform:
      translate3d(var(--paper-x-reveal), var(--paper-y-reveal), 0)
      rotate(var(--paper-rotate-start))
      scale(var(--paper-scale-start));
  }
  36% {
    opacity: 0.9;
    filter: blur(0);
    transform:
      translate3d(var(--paper-x-reveal), var(--paper-y-reveal), 0)
      rotate(calc(var(--paper-rotate-start) + 3deg))
      scale(var(--paper-scale-hold));
  }
  78% {
    opacity: 0.88;
    filter: blur(0);
  }
  100% {
    opacity: 0;
    filter: blur(2px);
    transform:
      translate3d(var(--paper-x-end), var(--paper-y-end), 0)
      rotate(var(--paper-rotate-end))
      scale(0.16);
  }
}

@keyframes lantern-flicker {
  from {
    opacity: 0.64;
    transform: scale(0.96);
  }
  to {
    opacity: 0.9;
    transform: scale(1.05);
  }
}

@keyframes firefly {
  from {
    opacity: 0.45;
    transform: translate3d(0, 0, 0);
  }
  to {
    opacity: 0.85;
    transform: translate3d(4px, -6px, 0);
  }
}

@media (min-width: 600px) {
  .compact-header {
    padding-top: 18px;
  }

  .compact-title {
    font-size: 20px;
  }

  .intro-screen__subtitle {
    font-size: 16px;
  }

  .closing-screen h2 {
    font-size: 20px;
  }

  .character-stage {
    min-height: 380px;
  }

  .guchikui-figure {
    width: min(50vw, 340px);
  }

  .koyori-figure {
    right: 12%;
    width: min(18vw, 110px);
  }

  .input-card {
    padding: 1.35rem;
  }

  textarea {
    height: 150px;
    min-height: 150px;
    padding: 15px;
  }

  .result-stage {
    min-height: 410px;
  }
}

@media (min-width: 900px) {
  :root {
    --screen-padding: clamp(30px, 4.8vw, 72px);
    --content-width: 760px;
    --content-wide: 1380px;
  }

  .compact-title__link::before {
    width: 80px;
    height: 80px;
  }

  body {
    background-image:
      linear-gradient(
        90deg,
        rgba(5, 10, 20, 0.2) 0%,
        rgba(5, 10, 20, 0.12) 36%,
        rgba(5, 10, 20, 0.05) 66%,
        rgba(5, 10, 20, 0.15) 100%
      ),
      linear-gradient(
        180deg,
        rgba(5, 10, 20, 0.08) 0%,
        rgba(5, 10, 20, 0.16) 54%,
        rgba(5, 10, 20, 0.28) 100%
      ),
      radial-gradient(circle at 21% 24%, rgba(244, 163, 64, 0.16), transparent 24rem),
      radial-gradient(circle at 71% 58%, rgba(244, 163, 64, 0.18), transparent 30rem),
      url("assets/bg-night-shrine-pc.png"),
      linear-gradient(180deg, #111827 0%, #0f172a 48%, #050816 100%);
    background-position:
      center,
      center,
      21% 24%,
      71% 58%,
      center 48%,
      center;
    background-repeat: no-repeat;
    background-size:
      cover,
      cover,
      auto,
      auto,
      cover,
      cover;
  }

  .ambient-light {
    opacity: 0.09;
  }

  .compact-header {
    width: min(100%, var(--content-wide));
  }

  .guide-screen__content {
    width: min(100%, 560px);
  }

  .closing-screen__content {
    width: min(100%, 560px);
  }

  .speech-bubble {
    width: min(100%, 560px);
    margin-bottom: 18px;
    padding: 1.35rem 1.55rem 1.45rem;
    border-radius: 20px;
  }

  .speech-bubble__name {
    margin-bottom: 0.2rem;
    font-size: 14px;
  }

  .speech-bubble p:last-child {
    font-size: 16px;
    line-height: 1.86;
  }

  .guide-button {
    width: min(100%, 560px);
  }

  .response-card {
    width: min(100%, 760px);
    margin-top: 8px;
    padding: 1.25rem 2rem 1.3rem;
    border-radius: 20px;
  }

  .response-card h2 {
    margin-bottom: 6px;
  }

  .response-card__message {
    margin-bottom: 10px;
    line-height: 1.78;
  }

  .response-actions {
    gap: 8px;
    width: min(100%, 360px);
    margin-top: 12px;
  }

  .closing-bubble {
    width: min(100%, 560px);
    padding: 1.5rem 2rem 1.55rem;
    border-radius: 20px;
  }

  .closing-screen h2 {
    font-size: 20px;
    line-height: 1.9;
  }

  .card-corner {
    width: clamp(34px, 3.2vw, 52px);
  }

  .eating-screen__content {
    width: min(100%, 760px);
  }

  .eating-figure {
    width: min(36vw, 520px);
  }

  .eating-screen__message {
    margin-top: 14px;
    font-size: 18px;
  }

  .input-screen {
    display: grid;
    width: min(100%, var(--content-wide));
    grid-template-areas:
      "header header"
      "form characters"
      "status characters";
    grid-template-columns: minmax(470px, 610px) minmax(520px, 1fr);
    grid-template-rows: auto minmax(0, 1fr) auto;
    align-items: center;
    column-gap: clamp(2.25rem, 3.8vw, 4.25rem);
    margin-inline: auto;
    padding-block: clamp(20px, 3.6vh, 42px) 30px;
  }

  .input-screen__body,
  .result-screen__body {
    display: contents;
  }

  .result-screen {
    display: grid;
    width: min(100%, var(--content-wide));
    grid-template-areas:
      "header header"
      "card characters";
    grid-template-columns: minmax(470px, 610px) minmax(520px, 1fr);
    grid-template-rows: auto minmax(0, 1fr);
    align-items: center;
    column-gap: clamp(2.25rem, 3.8vw, 4.25rem);
    margin-inline: auto;
    padding-block: clamp(20px, 3.6vh, 42px) 30px;
  }

  .input-screen .compact-header {
    grid-area: header;
    width: 100%;
    padding-top: 0;
  }

  .result-screen .compact-header {
    grid-area: header;
    width: 100%;
    padding-top: 0;
  }

  .input-screen .character-area {
    grid-area: characters;
    width: 100%;
    max-width: 100%;
    margin-inline: 0;
  }

  .input-screen .character-stage {
    min-height: min(72vh, 690px);
  }

  .result-screen .result-characters {
    grid-area: characters;
    width: 100%;
    max-width: 100%;
    margin-inline: 0;
  }

  .result-screen .result-stage {
    min-height: min(72vh, 690px);
  }

  .input-screen .guchikui-figure {
    bottom: -66px;
    left: 43%;
    width: min(35vw, 560px);
  }

  .result-screen .result-guchikui {
    bottom: -66px;
    left: 43%;
    width: min(35vw, 560px);
  }

  .input-screen .koyori-figure {
    right: clamp(28px, 6.4vw, 96px);
    bottom: -28px;
    width: min(8.2vw, 118px);
  }

  .result-screen .result-koyori {
    right: clamp(28px, 6.4vw, 96px);
    bottom: -28px;
    width: min(8.2vw, 118px);
  }

  .input-screen .input-card {
    position: relative;
    grid-area: form;
    width: 100%;
    max-width: 610px;
    margin-inline: 0;
    padding: clamp(1.8rem, 2.5vw, 2.35rem) clamp(1.7rem, 2.6vw, 2.45rem);
    overflow: hidden;
    border-width: 2px;
    border-color: rgba(200, 164, 93, 0.86);
    border-radius: 28px;
    background:
      radial-gradient(circle at 50% 5%, rgba(185, 71, 46, 0.08), transparent 7rem),
      linear-gradient(rgba(255, 249, 237, 0.985), rgba(239, 224, 197, 0.995)),
      var(--washi);
    box-shadow:
      0 28px 68px rgba(2, 6, 23, 0.58),
      0 0 0 1px rgba(255, 247, 232, 0.42),
      inset 0 0 0 1px rgba(255, 255, 255, 0.76);
  }

  .result-screen .result-panel {
    grid-area: card;
    width: 100%;
    max-width: 610px;
    margin: 0;
  }

  .result-screen .response-card {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: clamp(1.8rem, 2.5vw, 2.35rem) clamp(1.7rem, 2.6vw, 2.45rem);
    border-width: 2px;
    border-color: rgba(200, 164, 93, 0.86);
    border-radius: 20px;
  }

  .result-screen .response-actions {
    width: min(100%, 360px);
    margin: 16px auto 0;
  }

  .input-screen .input-card::before {
    display: block;
    margin-bottom: 0.35rem;
    content: "✿";
    color: var(--vermilion);
    font-family: var(--font-serif);
    font-size: 16px;
    line-height: 1;
    text-align: center;
    opacity: 0.9;
  }

  .input-screen .input-card::after {
    position: absolute;
    right: 1.65rem;
    bottom: 1.55rem;
    left: 1.65rem;
    height: 1px;
    content: "";
    background:
      linear-gradient(90deg, rgba(200, 164, 93, 0.5), transparent 16%),
      linear-gradient(270deg, rgba(200, 164, 93, 0.5), transparent 16%);
    pointer-events: none;
  }

  .input-screen .input-card label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-size: 16px;
    letter-spacing: 0.055em;
    white-space: nowrap;
  }

  .input-screen .input-card label::before,
  .input-screen .input-card label::after {
    display: block;
    flex: 1 1 4.5rem;
    max-width: 8rem;
    height: 1px;
    margin: 0;
    content: "";
    background: linear-gradient(90deg, transparent, rgba(200, 164, 93, 0.82), transparent);
  }

  .input-screen textarea {
    height: clamp(210px, 27vh, 280px);
    min-height: 210px;
    padding: 1.05rem 1.15rem;
    border-color: rgba(143, 47, 36, 0.52);
    border-radius: 16px;
    background: rgba(255, 250, 240, 0.7);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.45);
  }

  .input-screen .primary-button {
    min-height: 58px;
    margin-top: 1rem;
    border-color: rgba(255, 247, 232, 0.28);
    font-size: 16px;
    letter-spacing: 0.04em;
    box-shadow:
      0 12px 24px rgba(143, 47, 36, 0.3),
      inset 0 1px 0 rgba(255, 247, 232, 0.22);
  }

  .input-screen .privacy-note {
    margin-top: 1.05rem;
    font-size: 14px;
  }

  .input-screen .status-message {
    grid-area: status;
    width: 100%;
    margin-inline: 0;
  }

  .app-footer {
    width: min(calc(100% - (var(--screen-padding) * 2)), var(--content-wide));
  }
}

@media (max-width: 374px) {
  :root {
    --screen-padding: 12px;
  }

  .character-stage {
    min-height: 292px;
  }

  .input-card {
    padding: 0.85rem;
  }

  .privacy-note {
    font-size: 12px;
  }
}

@media (max-width: 599px) {
  .input-screen {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    padding-bottom: 12px;
  }

  .input-screen__body {
    display: grid;
    width: 100%;
    align-content: center;
    padding-block: 8px 18px;
  }

  .input-screen .compact-header {
    padding-top: 10px;
  }

  .input-screen .character-stage {
    min-height: clamp(304px, 82vw, 334px);
  }

  .input-screen .guchikui-figure {
    bottom: 2px;
    left: 45%;
    width: min(66vw, 282px);
  }

  .input-screen .koyori-figure {
    right: clamp(8px, 5vw, 20px);
    bottom: 9px;
    width: min(23vw, 92px);
  }

  .input-screen .input-card {
    margin-top: -2px;
  }

  .input-screen textarea {
    height: 122px;
    min-height: 122px;
  }

  .speech-bubble p:last-child {
    max-width: 18em;
    margin-inline: auto;
    font-size: 14px;
    line-height: 1.9;
  }

  .response-card__message {
    max-width: 19em;
    margin-inline: auto;
    font-size: 16px;
    line-height: 2;
  }

  .closing-screen h2 {
    max-width: 18em;
    margin-inline: auto;
    font-size: 16px;
    line-height: 2;
  }

  .card-corner {
    width: 30px;
    opacity: 0.62;
  }

  .card-corner--top-left {
    top: 8px;
    left: 8px;
  }

  .card-corner--top-right {
    top: 8px;
    right: 8px;
  }

  .card-corner--bottom-right {
    right: 8px;
    bottom: 8px;
  }

  .card-corner--bottom-left {
    bottom: 8px;
    left: 8px;
  }

  .eating-screen {
    padding-bottom: 18px;
  }

  .eating-screen .compact-header {
    padding-top: 10px;
  }

  .eating-screen__content {
    width: min(100%, 430px);
  }

  .eating-figure {
    width: min(82vw, 340px);
  }

  .eating-paper--1 {
    --paper-width: 72px;
    --paper-x-start: 4%;
    --paper-y-start: 60%;
    --paper-x-reveal: 58px;
    --paper-y-reveal: -76px;
    --paper-x-end: 96px;
    --paper-y-end: -16px;
    --paper-scale-start: 1.68;
    --paper-scale-hold: 1.56;
  }

  .result-screen {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    padding-bottom: 14px;
  }

  .result-screen__body {
    display: grid;
    width: 100%;
    align-content: center;
    padding-block: 8px 24px;
  }

  .result-screen .compact-header {
    padding-top: 10px;
  }

  .result-stage {
    min-height: clamp(292px, 79vw, 334px);
  }

  .result-guchikui {
    bottom: -15px;
    left: 45%;
    width: min(64vw, 282px);
  }

  .result-koyori {
    right: clamp(8px, 6vw, 24px);
    bottom: -13px;
    width: min(23vw, 96px);
  }

  .response-card {
    margin-top: 18px;
  }

  .app-footer {
    font-size: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .eating-paper {
    opacity: 0.72;
    animation: none !important;
    transform:
      translate3d(var(--paper-x-reveal), var(--paper-y-reveal), 0)
      rotate(var(--paper-rotate-start))
      scale(1.12);
  }

}