/* =============================================
   faq-page.css — FAQページ固有スタイル
   デザイントークンは css/variables.css から継承
   ============================================= */


/* ===== ベース ===== */

body {
  background-color: var(--color-bg-warm);
  color: var(--color-text);
}


/* ===== セクション共通：左右padding ===== */

.page-header,
.faq-contents {
  padding-left: max(60px, calc((100vw - 1400px) / 2));
  padding-right: max(60px, calc((100vw - 1400px) / 2));
  box-sizing: border-box;
}

@media (max-width: 1400px) {
  .page-header,
  .faq-contents {
    padding-left: 60px;
    padding-right: 60px;
  }
}

@media (max-width: 1024px) {
  .page-header,
  .faq-contents {
    padding-left: 40px;
    padding-right: 40px;
  }
}

@media (max-width: 600px) {
  .page-header,
  .faq-contents {
    padding-left: 24px;
    padding-right: 24px;
  }
}


/* ===== ページヘッダー ===== */

.page-header {
  padding-top: 36px;
  padding-bottom: 36px;
  background-color: var(--color-bg-warm);
  border-bottom: 1px solid var(--color-border);
}

.page-header__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.page-header__title {
  font-family: var(--font-family-base);
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  line-height: 1.4;
  margin: 0;
  text-align: center;
}

.page-header__en {
  font-family: var(--font-family-en);
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-regular);
  color: var(--color-accent);
  letter-spacing: 0.08em;
  margin: 0;
  text-align: center;
}


/* ===== カテゴリタブナビ ===== */

.faq-nav {
  background: #fff;
  border-bottom: 1px solid #e8e4de;
  position: sticky;
  top: 0;
  z-index: 100;
  overflow: hidden;
}

.faq-nav__inner {
  padding-left: max(60px, calc((100vw - 1400px) / 2));
  padding-right: max(60px, calc((100vw - 1400px) / 2));
  width: 100%;
  display: flex;
  justify-content: flex-start;
  gap: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.faq-nav__inner::-webkit-scrollbar {
  display: none;
}

@media (max-width: 1400px) {
  .faq-nav__inner {
    padding-left: 60px;
    padding-right: 60px;
  }
}

@media (max-width: 1024px) {
  .faq-nav__inner {
    padding-left: 40px;
    padding-right: 40px;
  }
}

.faq-nav__btn {
  display: inline-block;
  padding: 16px 24px;
  font-family: var(--font-family-base);
  font-size: 14px;
  color: #666;
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.faq-nav__btn:hover,
.faq-nav__btn.is-active {
  color: rgba(196, 106, 60, 1);
  border-bottom-color: rgba(196, 106, 60, 1);
}

@media (max-width: 620px) {
  .faq-nav__inner {
    padding-left: 24px;
    padding-right: 24px;
    justify-content: center;
    flex-wrap: wrap;
    overflow-x: visible;
  }

  .faq-nav__btn {
    white-space: normal;
    text-align: center;
    flex: 1 1 calc(50% - 4px);
    padding: 8px 0px;
  }
}

@media (min-width: 621px) {
  .faq-nav__inner {
    justify-content: center;
  }
}


/* ===== FAQコンテンツエリア ===== */

.faq-contents {
  padding-top: 32px;
  padding-bottom: 32px;
  background: transparent;
}

.faq-contents__inner {
  max-width: 900px;
  margin: 0 auto;
}

@media (min-width: 601px) {
  .faq-contents {
    padding-top: 50px;
    padding-bottom: 50px;
  }
}

@media (min-width: 1025px) {
  .faq-contents {
    padding-top: 80px;
    padding-bottom: 80px;
  }
}


/* ===== FAQセクション ===== */

.faq-section {
  margin-bottom: 48px;
}

@media (min-width: 601px) {
  .faq-section {
    margin-bottom: 80px;
  }
}

.faq-section__title {
  font-family: var(--font-family-base);
  font-size: 18px;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  padding-bottom: 12px;
  margin-bottom: 24px;
  border-bottom: 2px solid rgba(196, 106, 60, 1);
}

@media (min-width: 601px) {
  .faq-section__title {
    font-size: 22px;
  }
}


/* ===== FAQリスト ===== */

.faq-list {
  margin: 0;
  padding: 0;
}


/* ===== FAQアイテム ===== */

.faq-item {
  border: 1px solid #e8e4de;
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
}


/* ===== 質問 ===== */

.faq-item__question {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  cursor: pointer;
  background: #fff;
  list-style: none;
  transition: background 0.2s;
  user-select: none;
}

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

@media (min-width: 601px) {
  .faq-item__question {
    padding: 20px 24px;
  }
}

.faq-item__question:hover,
.faq-item.is-open .faq-item__question {
  background: rgba(196, 106, 60, 0.04);
}

.faq-item__q-label {
  font-family: var(--font-family-en);
  font-size: 16px;
  font-weight: var(--font-weight-bold);
  color: rgba(196, 106, 60, 1);
  flex-shrink: 0;
}

.faq-item__q-text {
  flex: 1;
  font-family: var(--font-family-base);
  font-size: 14px;
  font-weight: var(--font-weight-bold);
  line-height: 1.6;
  color: #333;
}

@media (min-width: 601px) {
  .faq-item__q-text {
    font-size: 15px;
  }
}

.faq-item__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  position: relative;
}

.faq-item__icon::before,
.faq-item__icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 2px;
  background: #888;
  transform: translate(-50%, -50%);
}

.faq-item__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  transition: transform 0.3s;
}

.faq-item.is-open .faq-item__icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}


/* ===== 回答 ===== */

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item__answer-inner {
  display: flex;
  gap: 12px;
  padding: 12px 16px 20px;
  background: rgba(196, 106, 60, 0.04);
  border-top: 1px solid #e8e4de;
}

@media (min-width: 601px) {
  .faq-item__answer-inner {
    padding: 16px 24px 24px;
  }
}

.faq-item__a-label {
  font-family: var(--font-family-en);
  font-size: 16px;
  font-weight: var(--font-weight-bold);
  color: #888;
  flex-shrink: 0;
}

.faq-item__answer-inner p {
  font-family: var(--font-family-base);
  font-size: 14px;
  line-height: 1.8;
  color: #555;
  margin: 0;
}

@media (min-width: 601px) {
  .faq-item__answer-inner p {
    font-size: 15px;
  }
}