:root {
  --omikuji-ink: #162033;
  --omikuji-muted: #4a5568;
  --omikuji-paper: #e9eef4;
  --omikuji-paper-deep: #d4dde8;
  --omikuji-accent: #c81e1e;
  --omikuji-accent-pressed: #a01818;
  --omikuji-result: #9f1616;
  --omikuji-column: 22rem;
  --omikuji-font-display: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Hiragino Mincho Pro", "Noto Serif JP", serif;
  --omikuji-font-body: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", "Noto Sans JP", sans-serif;
}

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

html {
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--omikuji-ink);
  font-family: var(--omikuji-font-body);
  background:
    radial-gradient(ellipse 90% 55% at 50% -15%, rgba(200, 30, 30, 0.08), transparent 50%),
    linear-gradient(160deg, var(--omikuji-paper) 0%, var(--omikuji-paper-deep) 100%);
}

.omikuji {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 2rem 1.25rem 3rem;
}

.omikuji__stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  width: 100%;
  max-width: var(--omikuji-column);
}

.omikuji__brand {
  margin: 0;
  font-family: var(--omikuji-font-display);
  font-size: clamp(2.75rem, 10vw, 4.5rem);
  font-weight: 600;
  letter-spacing: 0.18em;
  padding-inline-start: 0.18em;
  line-height: 1.1;
  white-space: nowrap;
  text-align: center;
}

.omikuji__result {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  min-height: 6.5rem;
  text-align: center;
}

.omikuji__type {
  margin: 0;
  color: var(--omikuji-result);
  font-family: var(--omikuji-font-display);
  font-size: clamp(2rem, 7vw, 3rem);
  font-weight: 600;
  letter-spacing: 0.12em;
  padding-inline-start: 0.12em;
  line-height: 1.2;
  animation: omikuji-fade-up 0.45s ease-out both;
}

.omikuji__comment {
  margin: 0;
  max-width: 18rem;
  color: var(--omikuji-muted);
  font-size: clamp(0.95rem, 2.8vw, 1.05rem);
  line-height: 1.7;
  animation: omikuji-fade-up 0.55s ease-out 0.08s both;
}

.omikuji__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  width: 100%;
}

.omikuji__form {
  display: block;
  margin: 0;
  width: 100%;
}

.omikuji__button {
  appearance: none;
  -webkit-appearance: none;
  display: block;
  box-sizing: border-box;
  width: 100%;
  margin: 0;
  border: 0;
  border-radius: 0.35rem;
  padding: 0.9rem 1.5rem;
  color: #fff;
  background: var(--omikuji-accent);
  font-family: var(--omikuji-font-body);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.4;
  text-align: center;
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.15s ease;
}

.omikuji__button:hover:not(:disabled) {
  background: var(--omikuji-accent-pressed);
  transform: translateY(-1px);
}

.omikuji__button:active:not(:disabled) {
  transform: translateY(0);
}

.omikuji__button:disabled {
  opacity: 0.65;
  cursor: wait;
}

.omikuji__count-wrap {
  display: flex;
  justify-content: center;
  width: 100%;
}

.omikuji__count {
  margin: 0;
  padding: 0;
  color: var(--omikuji-muted);
  font-size: 0.95rem;
  line-height: 1.4;
  text-align: center;
}

@keyframes omikuji-fade-up {
  from {
    opacity: 0;
    transform: translateY(0.6rem);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .omikuji__type,
  .omikuji__comment {
    animation: none;
  }

  .omikuji__button {
    transition: none;
  }

  .omikuji__button:hover:not(:disabled),
  .omikuji__button:active:not(:disabled) {
    transform: none;
  }
}

@media (max-width: 480px) {
  .omikuji {
    padding-inline: 1rem;
  }

  .omikuji__stack,
  .omikuji__actions {
    gap: 1.25rem;
  }
}