/* ===================================================
   section-06-failure-answer.css
   Section 6: 失敗の答え（核心）
   =================================================== */

.failure-answer {
  position: relative;
  padding: 80px 24px;
  background:
    /* 微細な格子模様 */
    repeating-linear-gradient(
      0deg,
      transparent 0px,
      transparent 80px,
      rgba(255, 255, 255, 0.02) 80px,
      rgba(255, 255, 255, 0.02) 81px
    ),
    repeating-linear-gradient(
      90deg,
      transparent 0px,
      transparent 80px,
      rgba(255, 255, 255, 0.02) 80px,
      rgba(255, 255, 255, 0.02) 81px
    ),
    /* 光の層 */
    radial-gradient(
      ellipse at center,
      rgba(123, 196, 232, 0.3) 0%,
      transparent 70%
    ),
    /* ベース：濃い青 */
    linear-gradient(
      135deg,
      #0F1A30 0%,
      #1A2744 30%,
      #1A5A8A 70%,
      #2E7AB8 100%
    );
  overflow: hidden;
  min-height: auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 背景装飾：散らばる迷子の要素（？マーク、矢印） */
.failure-answer__deco {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.failure-answer__deco-item {
  position: absolute;
  font-family: var(--font-en);
  color: rgba(255, 255, 255, 0.08);
  font-weight: 900;
  user-select: none;
  animation: decoFloat 6s ease-in-out infinite;
}

.failure-answer__deco-item:nth-child(1) {
  top: 10%;
  left: 8%;
  font-size: 80px;
  animation-delay: 0s;
}

.failure-answer__deco-item:nth-child(2) {
  top: 20%;
  right: 12%;
  font-size: 60px;
  animation-delay: 1s;
}

.failure-answer__deco-item:nth-child(3) {
  bottom: 15%;
  left: 15%;
  font-size: 70px;
  animation-delay: 2s;
}

.failure-answer__deco-item:nth-child(4) {
  bottom: 20%;
  right: 8%;
  font-size: 90px;
  animation-delay: 0.5s;
}

.failure-answer__deco-item:nth-child(5) {
  top: 50%;
  left: 5%;
  font-size: 50px;
  animation-delay: 1.5s;
}

.failure-answer__deco-item:nth-child(6) {
  top: 45%;
  right: 5%;
  font-size: 55px;
  animation-delay: 2.5s;
}

@keyframes decoFloat {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
    opacity: 0.3;
  }
  50% {
    transform: translateY(-15px) rotate(5deg);
    opacity: 0.6;
  }
}

.failure-answer__inner {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

/* --- 上部のアイコン（指差し）--- */
.failure-answer__pointer {
  display: block;
  width: 240px;
  height: auto;
  margin: 0 auto 24px;
  filter: drop-shadow(0 12px 30px rgba(0, 0, 0, 0.4));
  opacity: 0;
  transform: scale(0) rotate(-30deg);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.failure-answer.is-visible .failure-answer__pointer {
  opacity: 1;
  transform: scale(1) rotate(0deg);
  transition-delay: 0.2s;
}

/* --- メインの答え --- */
.failure-answer__main {
  font-size: clamp(24px, 6.5vw, 44px);
  font-weight: 900;
  line-height: 1.7;
  color: #FFFFFF;
  margin: 0;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1.2s ease, transform 1.2s ease;
}

.failure-answer.is-visible .failure-answer__main {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.6s;
}

/* 強調したい部分：「何を見ればいいか分からないまま」 */
.failure-answer__highlight {
  display: inline-block;
  position: relative;
  padding: 0 8px;
  color: #FFE138;
}

.failure-answer__highlight::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 30%;
  background: linear-gradient(
    90deg,
    rgba(255, 199, 0, 0.4) 0%,
    rgba(255, 199, 0, 0.2) 100%
  );
  z-index: -1;
  border-radius: 4px;
}

/* --- 下部の補足テキスト --- */
.failure-answer__sub {
  margin-top: 48px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 500;
  letter-spacing: 0.1em;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.failure-answer.is-visible .failure-answer__sub {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 1.6s;
}

/* ===================================================
   PC（768px〜）
   =================================================== */
@media (min-width: 768px) {
  .failure-answer {
    padding: 120px 48px;
    min-height: auto;
  }

  .failure-answer__pointer {
    width: 320px;
    margin-bottom: 32px;
  }

  .failure-answer__main {
    font-size: clamp(36px, 4.5vw, 60px);
  }

  .failure-answer__deco-item:nth-child(1) {
    font-size: 120px;
  }

  .failure-answer__deco-item:nth-child(2) {
    font-size: 90px;
  }

  .failure-answer__deco-item:nth-child(3) {
    font-size: 100px;
  }

  .failure-answer__deco-item:nth-child(4) {
    font-size: 130px;
  }

  .failure-answer__deco-item:nth-child(5) {
    font-size: 70px;
  }

  .failure-answer__deco-item:nth-child(6) {
    font-size: 80px;
  }

  .failure-answer__sub {
    font-size: 16px;
    margin-top: 64px;
  }
}