@charset "UTF-8";
/* header */
header {
  background: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header_left_btn {
  padding: 10px 7px;
  margin: 0;
}

.header_left_btn,
.header_right_btn {
  display: flex;
  align-items: center;
  justify-content: center;
}

.header_right_btn {
  padding: 10px;
}

.header_right_btn a {
  padding: .3em 1em;
  position: relative;
  background: #fff;
  border: 1px solid #ccc;
  text-decoration: none;
  color: #444;
  font-size: 12px;
}

/* contents */
.container {
  background: #f8f4f2;
  padding-bottom: 40px;
  font-size: 1.2rem;
  line-height: 1.8;
  margin: 0 auto;
}

.howto-header {
  padding: 30px 20px;
  text-align: center;
}

/* --- FAQ全体のコンテナ --- */
.item-faq-body_area {
  width: calc(100% - 20px);
  margin: 1rem auto 2.5rem;
}

@media (min-width: 768px) {
  .item-faq-body_area {
    max-width: 800px;
    margin: 1.5rem auto 2.5rem;
  }
}

.faq-summary::-webkit-details-marker {
  display: none;
}

/* --- アコーディオンのカードスタイル --- */
.faq-details {
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 2px 3px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  margin-bottom: 1rem;
}

/* 質問（summary）部分のスタイリング */
.faq-summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem;
  cursor: pointer;
  transition: background-color 0.2s ease;
  font-size: 1.2rem;
}

.faq-summary:hover {
  background-color: #fcfcfc;
}

/* --- 2. アイコン（.ico）のスタイリング（「＋」マーク） --- */
.ico {
  position: relative;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-left: 1rem;
  transition: transform 0.3s ease-in-out;
}

/* 「＋」の横棒と縦棒の共通スタイル */
.ico::before,
.ico::after {
  content: '';
  position: absolute;
  background-color: #555;
  transition: all 0.3s ease-in-out;
}

.ico::before {
  top: 50%;
  left: 50%;
  width: 16px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.ico::after {
  top: 50%;
  left: 50%;
  width: 2px;
  height: 16px;
  transform: translate(-50%, -50%);
}

.faq-details[open] .ico {
  transform: rotate(180deg);
}

.faq-details[open] .ico::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.inner {
  overflow: hidden;
  transition: max-height 0.4s ease-out,
    opacity 0.3s ease-out 0.1s,
    padding-top 0.4s ease-out,
    padding-bottom 0.4s ease-out,
    border-top-width 0.4s ease-out;
  max-height: 0;
  opacity: 0;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
  padding-top: 0;
  padding-bottom: 0;
  border-top: 0px solid #e5e5e5;
}

.faq-details[open]>.inner {
  max-height: 1000px;
  opacity: 1;
  padding-top: 1.25rem;
  padding-bottom: 1.25rem;
  border-top: 1px solid #e5e5e5;
}

.inner p {
  margin-bottom: .8rem;
}

.inner>*:last-child {
  margin-bottom: 0;
}

.faq-area_hint {
  margin-top: 1rem;
}

.faq-area_mt10 {
  margin-top: 10px;
}

.sa-qalink .icon {
  margin-left: 0.5rem;
  width: 1em;
  height: 1em;
  fill: currentColor;
  display: inline-block;
}

.sa-qalink {
  padding: 1.25rem 2rem;
  cursor: pointer;
  transition: background-color 0.2s ease;
  font-size: 1.2rem;
  border-radius: 8px;
  border: none;
  box-shadow: 0 2px 3px rgba(0, 0, 0, 0.05);
}

.faq-details-list_ol {
  margin-left: 1rem;
  padding-left: 0.5rem;
}

.faq-details-list_ol li {
  margin-bottom: 10px;
}

.dl-faqlist {
  margin-block: 10px;
}

.dl-faqlist dt {
  font-weight: bold;
}

.dl-faqlist dd {
  margin-bottom: 10px;
  margin-left: 1em;
}

/* how to */
.howto-section {
  width: calc(100% - 20px);
  margin: 1.5rem auto 2.5rem;
  background: #efefef;
  padding: 20px;
}

@media (min-width: 768px) {
  .howto-section {
    max-width: 760px;
  }
}

.howto-box {
  border-radius: 12px;
  margin-bottom: 20px;
  background: #efefef;
  font-size: 1rem;
}