.million-comment-card {
  box-sizing: border-box;
  width: 100%;
  max-width: 860px;
  margin: 24px auto;
  padding: clamp(24px, 5vw, 44px) clamp(16px, 4vw, 36px);
  text-align: center;
  color: #fff;
  font-weight: 900;
  line-height: 1.7;
  background: linear-gradient(145deg, #123c2a, #071c14 65%, #04120d);
  border: 2px solid #c2a502;
  border-radius: 16px;
  box-shadow:
    inset 0 0 24px rgba(218, 181, 56, 0.08),
    0 8px 24px rgba(0, 0, 0, 0.3);
}

.million-comment-card__logo {
  display: block;
  width: 90%;
  max-width: 480px;
  height: auto;
  margin: 0 auto 24px;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.6));
}

.million-comment-card__name {
  font-size: clamp(17px, 2.4vw, 23px);
}

.million-comment-card__amount {
  margin: 6px 0 12px;
  line-height: 1.3;
}

.million-comment-card__from {
  display: inline-block;
  font-size: clamp(18px, 2.8vw, 24px);
  white-space: nowrap;
}

.million-comment-card__from strong {
  font-size: clamp(25px, 4vw, 36px);
}

.million-comment-card__million {
  display: inline-block;
  color: #ffe477;
  font-size: clamp(42px, 7vw, 64px);
  white-space: nowrap;
  text-shadow:
    0 2px 0 #665016,
    0 0 16px rgba(255, 220, 90, 0.2);
}

.million-comment-card__description {
  margin-bottom: 16px;
  font-size: clamp(18px, 2.8vw, 26px);
}

.million-comment-card__description strong {
  margin: 0 4px;
  color: #ffff00;
  font-size: clamp(32px, 5vw, 46px);
  text-shadow: 0 0 12px rgba(255, 255, 0, 0.2);
}

.million-comment-card__goal {
  color: #ffe477;
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1;
}

.million-comment-card__guide {
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px solid rgba(218, 181, 56, 0.4);
  font-size: clamp(18px, 2.8vw, 25px);
  line-height: 1.6;
  text-wrap: balance;
}

.million-comment-card__arrow {
  display: block;
  margin-top: 12px;
  padding-bottom: 8px;
  color: #ffe477;
  font-size: 32px;
  line-height: 1;
  animation: million-comment-arrow 1.6s ease-in-out infinite;
}

@keyframes million-comment-arrow {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(8px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .million-comment-card__arrow {
    animation: none;
  }
}

/* ボタンデザイン */

/* button・a共通 */
.stage-form-button,
.stage-form-content .stage-form-button {
  position: relative;
  display: block;
  box-sizing: border-box;
  width: 100%;
  max-width: 560px;
  min-height: 76px;
  margin: 24px auto;
  padding: 20px 28px;

  appearance: none;
  font-family: inherit;
  font-size: clamp(20px, 2.8vw, 28px);
  font-weight: 900;
  line-height: 1.4;
  text-align: center;
  text-decoration: none;
  white-space: normal;
  overflow-wrap: anywhere;
  text-wrap: balance;

  color: #382300;
  background: linear-gradient(180deg, #fff4b0 0%, #ffdc55 35%, #efb724 100%);
  border: 3px solid #fff0a5;
  border-radius: 999px;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.6);
  cursor: pointer;
  touch-action: manipulation;

  animation:
    stage-form-gold-pulse 2s ease-in-out infinite,
    stage-form-button-press 7s ease-in-out infinite;
}

@keyframes stage-form-gold-pulse {
    0%, 100% {
        box-shadow:
            0 6px 0 #91600c,
            0 10px 18px rgba(0, 0, 0, .35),
            0 0 18px rgba(255, 207, 64, .5),
            0 0 0 0 rgba(255, 215, 70, 0),
            0 0 0 0 rgba(255, 215, 70, 0);
    }

    12% {
        box-shadow:
            0 6px 0 #91600c,
            0 10px 18px rgba(0, 0, 0, .35),
            0 0 32px rgba(255, 207, 64, .85),
            0 0 0 4px rgba(255, 215, 70, .95),
            0 0 0 7px rgba(255, 215, 70, .35);
    }

    55% {
        box-shadow:
            0 6px 0 #91600c,
            0 10px 18px rgba(0, 0, 0, .35),
            0 0 26px rgba(255, 207, 64, .65),
            0 0 0 18px rgba(255, 215, 70, .55),
            0 0 0 22px rgba(255, 215, 70, .16);
    }

    85% {
        box-shadow:
            0 6px 0 #91600c,
            0 10px 18px rgba(0, 0, 0, .35),
            0 0 18px rgba(255, 207, 64, .5),
            0 0 0 30px rgba(255, 215, 70, 0),
            0 0 0 34px rgba(255, 215, 70, 0);
    }
}

/* 約7秒ごとに軽く押し込む */
@keyframes stage-form-button-press {
  0%,
  3%,
  11%,
  100% {
    transform: translateY(0) scale(1);
    filter: brightness(1);
  }

  7% {
    transform: translateY(4px) scale(0.97);
    filter: brightness(1.12);
  }
}

/* 操作中は自動クリック演出を止める */
@media (hover: hover) {
  .stage-form-button:hover {
    animation: stage-form-gold-pulse 2s ease-in-out infinite;
    filter: brightness(1.08);
  }
}

.stage-form-button:focus-visible {
  animation: stage-form-gold-pulse 2s ease-in-out infinite;
  outline: 3px solid #fff;
  outline-offset: 6px;
}

.stage-form-button:active,
.stage-form-content .stage-form-button:active {
  animation: stage-form-gold-pulse 2s ease-in-out infinite;
  transform: translateY(4px) scale(0.97);
  filter: brightness(1.12);
}

.stage-form-button:disabled {
  animation: none;
  opacity: 0.55;
  cursor: not-allowed;
}

@media (prefers-reduced-motion: reduce) {
  .stage-form-button,
  .stage-form-content .stage-form-button {
    animation: none;
    box-shadow: 0 6px 0 #91600c;
  }
}