/* ===============================
   FAQ
=============================== */

#faq{
  text-align: center;
}

.faq-list{
  max-width: 820px;
  margin: 60px auto 0;
}

.faq-item{
  border-bottom: 1px solid rgba(0,0,0,0.12);
  padding: 24px 0;
}

/* 質問 */
.faq-question{
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;

  text-align: left;
  font-size: 18px;
  letter-spacing: 1px;

  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question::after{
  content: "+";
  font-size: 20px;
  transition: transform .3s ease;
}

/* 回答 */
.faq-answer{
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, opacity .3s ease;
  opacity: 0;
}

.faq-answer p{
  margin-top: 16px;
  line-height: 1.8;
  opacity: .85;
}

/* OPEN状態 */
.faq-answer.open{
  max-height: 400px;
  opacity: 1;
}

.faq-item.open .faq-answer{
  max-height: 240px;
}

.faq-item.open .faq-question::after{
  transform: rotate(45deg);
}

/* ===============================
   FAQ INPUT
=============================== */

.faq-input{
  max-width: 820px;
  margin: 40px auto 60px;
  text-align: center;
}

.faq-input-title{
  font-size: 18px;
  letter-spacing: 2px;
  margin-bottom: 18px;
  opacity: .8;
}

.faq-input-box{
  display: flex;
  gap: 12px;
}

.faq-input-box input{
  flex: 1;
  height: 48px;
  padding: 0 16px;

  font-size: 16px;
  border-radius: 10px;
  border: 1px solid rgba(0,0,0,0.2);
}

.faq-input-box button{
  width: 96px;
  border-radius: 10px;
  border: none;

  background: #111;
  color: #fff;
  letter-spacing: 2px;
  cursor: pointer;

  transition: opacity .3s ease;
}

.faq-input-box button:hover{
  opacity: .7;
}