:root {
  --ink-night: #1a1b2e;
  --ink-night-deep: #121324;
  --torii-red: #a6373c;
  --torii-red-dark: #7c2a2e;
  --brass: #c89b4a;
  --brass-dark: #9c7735;
  --washi: #f1e7d0;
  --washi-edge: #e4d6b8;
  --sumi: #2a2620;
  --sumi-soft: #55503f;
  --sakura: #e3a6b8;
  --moe-pink: #ff9fc0;
  --moe-pink-dark: #e56f9d;
  --moe-gold: #ffe08a;
  --font-display: "Mochiy Pop One", "Zen Maru Gothic", sans-serif;
  --font-body: "Zen Maru Gothic", sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--ink-night);
}

body {
  font-family: var(--font-body);
  color: var(--washi);
  position: relative;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.sky {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  background: radial-gradient(ellipse at 50% 15%, #2a2c4a 0%, var(--ink-night) 55%, var(--ink-night-deep) 100%);
}

.torii {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 140px;
  fill: none;
  stroke: var(--torii-red-dark);
  stroke-width: 6;
  stroke-linecap: round;
  opacity: 0.35;
}

.petals span {
  position: absolute;
  top: -5%;
  width: 8px;
  height: 8px;
  border-radius: 60% 0 60% 0;
  background: var(--sakura);
  opacity: 0.55;
  animation: drift linear infinite;
}

@keyframes drift {
  from { transform: translateY(-5vh) translateX(0) rotate(0deg); }
  to { transform: translateY(105vh) translateX(30px) rotate(220deg); }
}

.petals .heart {
  width: 11px;
  height: 10px;
  border-radius: 50%;
  background: var(--moe-pink);
  opacity: 0.65;
  clip-path: path("M5.5 10 C5.5 10 0 6 0 2.8 C0 1 1.4 0 3 0 C4.2 0 5.2 0.9 5.5 2 C5.8 0.9 6.8 0 8 0 C9.6 0 11 1 11 2.8 C11 6 5.5 10 5.5 10 Z");
}

.sparkles span {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--moe-gold);
  box-shadow: 0 0 6px 1px rgba(255, 224, 138, 0.75);
  animation: twinkle ease-in-out infinite;
}

@keyframes twinkle {
  0%, 100% { opacity: 0; transform: scale(0.4); }
  50% { opacity: 1; transform: scale(1); }
}

.stage {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 4rem 1.5rem 2rem;
  max-width: 660px;
  margin: 0 auto;
}

.title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.4rem, 7vw, 3.4rem);
  margin: 0;
  color: var(--washi);
  letter-spacing: 0.03em;
}

.subtitle {
  margin: 0.5rem 0 2.5rem;
  color: var(--sakura);
  font-size: 1rem;
}

.altar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.1rem;
  width: 100%;
}

.box {
  width: 190px;
  height: auto;
  transform-origin: 50% 85%;
  filter: drop-shadow(0 0 26px rgba(255, 159, 192, 0.35));
}

.shadow { fill: #000; opacity: 0.35; }
.crate-body { fill: var(--torii-red); stroke: var(--torii-red-dark); stroke-width: 2; }
.crate-band { fill: var(--torii-red-dark); }
.crate-corner { fill: var(--brass); stroke: var(--brass-dark); stroke-width: 1; }
.crate-lid { fill: var(--torii-red-dark); stroke: var(--brass-dark); stroke-width: 1.5; }
.slot { fill: var(--ink-night-deep); }
.rope { fill: none; stroke: var(--brass-dark); stroke-width: 2; }
.bell-body { fill: var(--brass); stroke: var(--brass-dark); stroke-width: 1.5; }
.bell-top { fill: var(--brass-dark); }
.bell-clap { fill: var(--brass-dark); }
.bow path { fill: var(--moe-pink); stroke: var(--moe-pink-dark); stroke-width: 1; }
.bow circle { fill: var(--moe-pink-dark); }
.face .eye { fill: none; stroke: var(--ink-night-deep); stroke-width: 2; stroke-linecap: round; }
.face .blush { fill: var(--moe-pink); opacity: 0.6; }
.crate-glyph {
  font-family: var(--font-display);
  font-size: 30px;
  fill: var(--brass);
  opacity: 0.85;
}
.bell { transform-box: fill-box; transform-origin: 50% 32%; }

.box.shaking { animation: shake 0.6s ease-in-out; }
.box.shaking .bell { animation: ring 0.6s ease-in-out; }

@keyframes shake {
  0%, 100% { transform: rotate(0deg); }
  15% { transform: rotate(-4deg) translateY(1px); }
  30% { transform: rotate(4deg); }
  45% { transform: rotate(-3deg) translateY(2px); }
  60% { transform: rotate(3deg); }
  75% { transform: rotate(-2deg); }
  90% { transform: rotate(1deg); }
}

@keyframes ring {
  0%, 100% { transform: rotate(0deg); }
  20% { transform: rotate(-12deg); }
  40% { transform: rotate(10deg); }
  60% { transform: rotate(-7deg); }
  80% { transform: rotate(4deg); }
}

.name-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--sakura);
  width: 100%;
  max-width: 320px;
}

.name-field input {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.65rem 0.9rem;
  border-radius: 8px;
  border: 1.5px solid var(--brass-dark);
  background: rgba(241, 231, 208, 0.08);
  color: var(--washi);
}

.name-field input::placeholder { color: rgba(241, 231, 208, 0.45); }
.name-field input:focus {
  outline: none;
  border-color: var(--brass);
  box-shadow: 0 0 0 3px rgba(200, 155, 74, 0.25);
}

.name-field input.invalid {
  border-color: var(--moe-pink-dark);
}

.field-error {
  font-size: 0.8rem;
  color: var(--moe-pink);
  margin: -0.6rem 0 0;
  max-width: 320px;
}

.shake-btn {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink-night-deep);
  background: var(--brass);
  border: none;
  border-radius: 999px;
  padding: 0.85rem 2.2rem;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
}

.shake-btn:hover { background: #d9ac5c; }
.shake-btn:active { transform: scale(0.97); }
.shake-btn:disabled { opacity: 0.5; cursor: default; transform: none; }
.shake-btn:focus-visible, .name-field input:focus-visible {
  outline: 3px solid var(--sakura);
  outline-offset: 2px;
}

.hint {
  font-size: 0.8rem;
  color: rgba(241, 231, 208, 0.55);
  max-width: 320px;
  margin: 0;
}

.noscript-note {
  font-size: 0.9rem;
  color: var(--moe-pink);
  max-width: 320px;
  margin: 0.5rem 0 0;
}

.slip {
  margin-top: 2.5rem;
  width: 100%;
  max-width: 340px;
  background: var(--washi);
  color: var(--sumi);
  border-radius: 4px;
  padding: 1.8rem 1.6rem 1.6rem;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  border-bottom: 6px solid var(--moe-pink);
  transform-origin: top center;
  transform: scaleY(0.05);
  opacity: 0;
}

.slip.show {
  animation: unfurl 0.55s cubic-bezier(0.2, 0.9, 0.3, 1.2) forwards;
}

@keyframes unfurl {
  0% { transform: scaleY(0.05); opacity: 0; }
  60% { transform: scaleY(1.04); opacity: 1; }
  100% { transform: scaleY(1); opacity: 1; }
}

.slip-glyph {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 400;
  margin: 0;
  color: var(--torii-red);
}

.slip-rank {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.75rem;
  color: var(--sumi-soft);
  margin: 0.2rem 0 1rem;
}

.slip-for {
  font-size: 0.8rem;
  color: var(--sumi-soft);
  margin: 0 0 0.15rem;
}

.slip-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin: 0 0 0.6rem;
  color: var(--sumi);
}

.slip-compat {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--moe-pink-dark);
  margin: 0 0 1rem;
}

.slip-line {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--sumi);
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  .box.shaking, .box.shaking .bell, .slip.show, .petals span {
    animation: none !important;
  }
  .slip.show { opacity: 1; transform: scaleY(1); }
}

@media (max-width: 420px) {
  .stage { padding-top: 3rem; }
  .box { width: 160px; }
}