.trial__qa {
  background: #f7f7f7;
  padding: 100px 0 60px;
}
.trial__qa-inner { position: relative; }
.trial__qa-head { text-align: center; margin-bottom: 50px; }
.trial__qa-eyebrow {
  color: #1c7093;
  font-weight: bold;
  font-size: 14px;
  line-height: 1.4;
  margin: 0 0 4px;
}
.trial__qa-title {
  color: #1c7093;
  font-weight: bold;
  font-size: 50px;
  line-height: 1.2;
  margin: 0;
}

.trial__qa-list {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 848px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.trial__qa-item {
  background: #ffffff;
  border-radius: 30px;
  box-shadow: 0 0 8px 0 rgba(216, 216, 216, 0.6);
  padding: 28px 40px;
}
.trial__qa-item details > summary { list-style: none; }
.trial__qa-item details > summary::-webkit-details-marker { display: none; }

.trial__qa-summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  padding-bottom: 16px;
  border-bottom: 2px dotted #87ceed;
}
.trial__qa-question {
  color: #1c7093;
  font-weight: bold;
  font-size: 20px;
  line-height: 28px;
  margin: 0;
  flex: 1;
}
.trial__qa-toggle {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  position: relative;
  margin-top: 4px;
}
.trial__qa-toggle::before,
.trial__qa-toggle::after {
  content: '';
  position: absolute;
  background: #1c7093;
  border-radius: 1px;
  transition: transform 0.2s, opacity 0.2s;
}
.trial__qa-toggle::before {
  top: 50%;
  left: 0;
  right: 0;
  height: 3px;
  transform: translateY(-50%);
}
.trial__qa-toggle::after {
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  transform: translateX(-50%);
}
.trial__qa-item details[open] .trial__qa-toggle::after {
  transform: translateX(-50%) scaleY(0);
}

.trial__qa-answer {
  padding-top: 16px;
}
.trial__qa-answer p {
  color: #707070;
  font-size: 18px;
  line-height: 1.7;
  margin: 0;
  font-family: 'Hiragino Kaku Gothic ProN', YuGothic, '游ゴシック', sans-serif;
  font-weight: 300;
}

.trial__bottom-cta {
  background: #ffffff;
  padding: 40px 0 100px;
}

@media (max-width: 899px) {
  .trial__bottom-cta { padding: 25px 0 70px; }
}
@media (max-width: 899px) {
  .trial__qa { padding: 60px 0 80px; }
  .trial__qa-title { font-size: 32px;
 }
  .trial__qa-list { gap: 14px; }
  .trial__qa-item { padding: 18px 22px; border-radius: 20px; }
  .trial__qa-question { font-size: 16px;
 line-height: 1.5; }
  .trial__qa-answer p { font-size: 15px;
 line-height: 1.6; }
}