:root {
  --blue:        #005AAB;
  --blue-dark:   #368AD5;
  --blue-deeper: #003F78;
  --blue-vivid:  #0A70E3;
  --blue-light:  #EBF4FC;
  --white:       #ffffff;
  --off-white:   #F9F9F8;
  --gray-100:    #D0D0D9;
  --gray-200:    #9EAAB1;
  --gray-400:    #656568;
  --gray-600:    #5F6368;
  --text:        #191A1C;
  --sans: "Gen Interface JP", Helvetica, "Hiragino Sans", "Noto Sans JP", sans-serif;
  --sans-bold: "Gen Interface JP-Bold", Helvetica, "Hiragino Sans", "Noto Sans JP", sans-serif;
  --transition:  0.18s ease;
}

@font-face { font-family: "Gen Interface JP"; src: url("/fonts/gen-interface-jp/GenInterfaceJP-Regular.woff2") format("woff2"), local("Gen Interface JP"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Gen Interface JP-Bold"; src: url("/fonts/gen-interface-jp/GenInterfaceJP-Bold.woff2") format("woff2"), local("Gen Interface JP-Bold"); font-weight: 700; font-display: swap; }

a { text-decoration: none; color: inherit; }
html, body { margin: 0; padding: 0; }
*, *::before, *::after { box-sizing: border-box; }
body { font-family: var(--sans); font-size: 18px; line-height: 1.8; color: var(--text); background: var(--white); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

.breadcrumb { background: transparent; border-bottom: none; padding: 0; }
.breadcrumb__inner {
  max-width: 1200px; margin: 0 auto; padding: 12px 48px;
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--gray-600);
}
.breadcrumb a { color: var(--blue); text-decoration: underline; transition: color var(--transition); }
.breadcrumb a:hover { color: var(--blue-dark); }
.breadcrumb__sep { color: var(--gray-400); font-size: 11px; }
.breadcrumb__cur { color: var(--text); font-weight: 500; }

.faq-content-bg { background: var(--white); padding-bottom: 48px; }
.faq-page-header { padding: 24px 0 20px; }
.faq-page-header__inner { max-width: 1200px; margin: 0 auto; padding: 0 48px; }
.faq-page-header__title { font-family: var(--sans-bold); font-size: 48px; font-weight: 800; color: var(--text); letter-spacing: -0.02em; margin-bottom: 12px; }
.faq-page-header__desc { font-family: var(--sans); font-size: 18px; color: var(--text); line-height: 1.8; }

.page-layout { max-width: 1200px; margin: 0 auto; padding: 28px 48px 56px; }
.page-main { min-width: 0; }

.faq-category-section { margin-bottom: 28px; }
.faq-category-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.faq-category-card {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--gray-200); border-radius: 8px;
  padding: 28px 12px; text-align: center;
  background: var(--white);
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}
.faq-category-card span { font-family: var(--sans-bold); font-size: 24px; font-weight: 700; letter-spacing: -0.01em; color: var(--text); transition: color var(--transition); }
.faq-category-card:hover,
.faq-category-card.active {
  background: var(--blue-vivid); border-color: var(--blue-vivid);
}
.faq-category-card:hover span,
.faq-category-card.active span { color: #fff; }
.faq-category-card:hover::after,
.faq-category-card.active::after {
  content: '';
  position: absolute; left: 50%; bottom: -8px; transform: translateX(-50%);
  width: 0; height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 8px solid var(--blue-vivid);
}

.faq-main-section { margin-bottom: 8px; margin-top: 60px; }
.faq-category-block { margin-bottom: 48px; scroll-margin-top: 24px; }
.faq-category-block:last-child { margin-bottom: 0; }
.faq-category-block__title {
  font-family: var(--sans-bold);
  font-size: 24px; font-weight: 700; color: var(--text);
  letter-spacing: -0.01em; margin-bottom: 4px;
  padding-bottom: 14px; border-bottom: 2px solid var(--text);
}

.faq-list { list-style: none; display: flex; flex-direction: column; gap: 16px; }
.faq-item {
  border: 1px solid var(--gray-200); border-radius: 16px; overflow: hidden;
  background: var(--white); box-shadow: 0 1px 4px rgba(0, 40, 80, 0.08);
  padding: 8px 24px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.faq-item:hover { border-color: var(--blue-vivid); box-shadow: 0 4px 16px rgba(10,112,227,0.10); }
.faq-question {
  display: flex; align-items: center; gap: 16px;
  padding: 20px 24px; cursor: pointer;
  font-family: var(--sans);
  font-size: 18px; font-weight: 500; color: var(--text);
  transition: color var(--transition);
}
.faq-question:hover { color: var(--blue); }
.faq-question span { font-family: var(--sans-bold); font-weight: 700; font-size: 18px; }
.faq-q-mark, .faq-a-mark {
  width: 32px; flex-shrink: 0;
  display: inline-flex; align-items: flex-start; justify-content: flex-start;
  color: var(--text); font-size: 22px; font-weight: 400;
}
.faq-chevron { margin-left: auto; color: var(--gray-400); font-size: 10px; transition: transform var(--transition); }
.faq-question.active .faq-chevron { transform: rotate(180deg); }
.faq-answer { display: none; padding: 0 24px 20px 24px; font-family: var(--sans); font-size: 18px; color: var(--text); line-height: 1.85; }
.faq-answer a { color: var(--blue); text-decoration: underline; }
.faq-answer a:hover { color: var(--blue-dark); }
.faq-answer.open {
  display: flex; align-items: center; gap: 16px;
  border-top: 1px solid var(--gray-100); margin: 0 24px; padding: 16px 0 20px;
}

@media (max-width: 768px) {
  .breadcrumb__inner { padding: 10px 20px; font-size: 10px; flex-wrap: wrap; }
  .faq-page-header { padding: 16px 0 14px; }
  .faq-page-header__inner { padding: 0 20px; }
  .faq-page-header__title { font-size: 28px; }
  .faq-page-header__desc { font-size: 12px; }
  .faq-category-block__title { font-size: 16px; }
  .faq-category-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .faq-category-card { padding: 20px 10px; }
  .faq-category-card span { font-size: 16px; }
  .page-layout { padding: 16px 20px 32px; }
  .faq-main-section { margin-top: 24px; }
  .faq-question { font-size: 12px; padding: 16px 20px; }
  .faq-question span { font-size: 12px; }
  .faq-answer { padding: 0 20px 16px 20px; font-size: 12px; }
  .faq-answer.open { margin: 0 20px; }
}