/* ============================================================
   よくある質問ページ（faq.html）
   前提: styles/index.css を先に読み込むこと
   faq.html は scripts/gen-faq.js が src/data/faq.csv から生成
   ============================================================ */

/* ---------- hero + search ---------- */
.faq-hero {
  background:
    radial-gradient(560px 320px at 88% 0%, rgba(34, 197, 94, .1), transparent 65%),
    linear-gradient(180deg, #fff 0%, var(--g50) 100%);
  border-bottom: 1px solid var(--g100);
  padding: 64px 0 56px; text-align: center;
}
.faq-hero .eyebrow { margin-bottom: 12px; }
.faq-hero h1 {
  font-size: clamp(26px, 3.6vw, 38px); font-weight: 700; line-height: 1.5;
  letter-spacing: .02em; text-wrap: balance;
}
.faq-hero .lede { margin: 12px auto 0; color: var(--sub); font-size: 15px; max-width: 40em; }

.faq-search { position: relative; max-width: 640px; margin: 28px auto 0; }
.faq-search svg {
  position: absolute; left: 20px; top: 50%; transform: translateY(-50%);
  width: 20px; height: 20px; color: var(--sub); pointer-events: none;
}
.faq-search input {
  width: 100%; font-family: var(--font-jp); font-size: 16px; color: var(--ink);
  background: #fff; border: 1.5px solid var(--line); border-radius: 999px;
  padding: 16px 52px; box-shadow: var(--shadow-md);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.faq-search input::placeholder { color: #a8b5ad; }
.faq-search input::-webkit-search-cancel-button { -webkit-appearance: none; display: none; }
.faq-search input:focus {
  outline: none; border-color: var(--g500);
  box-shadow: 0 0 0 4px rgba(34, 197, 94, .15), var(--shadow-md);
}
.faq-search-clear {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  width: 32px; height: 32px; border-radius: 50%; border: none;
  background: var(--bg-gray); color: var(--sub); font-size: 18px; line-height: 1;
  cursor: pointer; display: none; align-items: center; justify-content: center;
}
.faq-search.has-value .faq-search-clear { display: flex; }
.faq-search-hint { margin-top: 12px; font-size: 13px; color: var(--sub); min-height: 1.6em; }
.faq-search-hint b { color: var(--g700); font-family: var(--font-num); }

/* ---------- layout ---------- */
.faq-main { padding: 48px 0 96px; }
.faq-layout {
  display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 48px; align-items: start;
}
.faq-side { position: sticky; top: 92px; }
.faq-side-label {
  font-family: var(--font-num); font-size: 11.5px; font-weight: 600; letter-spacing: .18em;
  text-transform: uppercase; color: var(--sub); padding: 0 14px 8px;
}
.faq-nav { display: grid; gap: 2px; }
.faq-nav a {
  display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: 10px;
  font-size: 14px; font-weight: 600; color: var(--sub); border-left: 3px solid transparent;
  transition: background .15s ease, color .15s ease, opacity .15s ease;
}
.faq-nav a span {
  margin-left: auto; font-family: var(--font-num); font-size: 12px; font-weight: 600;
  color: #93a29a; background: var(--bg-gray); border-radius: 999px; padding: 0 9px; line-height: 20px;
}
.faq-nav a:hover { background: var(--g50); color: var(--g700); }
.faq-nav a.is-active { background: var(--g50); color: var(--g700); border-left-color: var(--g600); border-radius: 0 10px 10px 0; }
.faq-nav a.is-active span { background: var(--g100); color: var(--g700); }
.faq-nav a.is-dim { opacity: .38; }
.faq-side-contact {
  margin-top: 22px; padding: 18px 16px; background: var(--bg-gray); border-radius: 14px;
  font-size: 13px; color: var(--sub); line-height: 1.8;
}
.faq-side-contact strong { display: block; color: var(--ink); font-size: 13.5px; margin-bottom: 4px; }
.faq-side-contact a { color: var(--g700); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }

/* ---------- group ---------- */
.faq-group { scroll-margin-top: 96px; }
.faq-group + .faq-group { margin-top: 56px; }
.faq-group.is-hidden { display: none; }
.faq-group-title {
  display: flex; align-items: center; gap: 12px; font-size: 21px; font-weight: 700; line-height: 1.4;
  margin-bottom: 18px; padding-bottom: 14px; border-bottom: 2px solid var(--g100);
}
.faq-group-icon {
  width: 38px; height: 38px; border-radius: 10px; flex: none;
  background: var(--g50); color: var(--g700); border: 1px solid var(--g100);
  display: flex; align-items: center; justify-content: center;
}
.faq-group-icon svg { width: 20px; height: 20px; }
.faq-group-count { margin-left: auto; font-family: var(--font-num); font-size: 13px; font-weight: 600; color: var(--sub); }

/* ---------- item（index.css の .faq-item を上書き） ---------- */
.faq-main .faq-list { max-width: none; margin: 0; gap: 12px; }
.faq-main .faq-item { transition: border-color .2s ease, box-shadow .2s ease; }
.faq-main .faq-item[open] { border-color: rgba(34, 197, 94, .45); box-shadow: var(--shadow-md); }
.faq-main .faq-item.is-hidden { display: none; }
.faq-main .faq-item:target { border-color: var(--g500); box-shadow: 0 0 0 4px rgba(34, 197, 94, .15); }
.faq-main .faq-item summary { padding: 18px 22px; line-height: 1.6; }
.faq-main .faq-item summary:hover { background: #fafcfb; }
.faq-qt { flex: 1; }
.faq-main .faq-a { padding: 2px 24px 22px 64px; }
.faq-a-text { max-width: 42em; }
.faq-qt mark, .faq-a-text mark { background: #fff1c2; color: inherit; border-radius: 3px; padding: 0 1px; }
.faq-fig { margin-top: 16px; max-width: 640px; }
.faq-fig img {
  border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow-sm);
  background: var(--bg-gray); aspect-ratio: 2 / 1; object-fit: cover; object-position: top; height: auto;
}
.faq-fig figcaption { margin-top: 8px; font-size: 12.5px; color: #93a29a; }
.faq-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-size: 12.5px; font-weight: 600; color: #93a29a; }
.faq-link svg { width: 14px; height: 14px; }
.faq-link:hover, .faq-link.is-done { color: var(--g700); }

.faq-nohit { display: none; padding: 48px 24px; text-align: center; color: var(--sub); background: var(--bg-gray); border-radius: 14px; }
.faq-nohit.is-show { display: block; }
.faq-nohit strong { display: block; color: var(--ink); font-size: 17px; margin-bottom: 6px; }

/* ---------- contact band ---------- */
.faq-contact-band {
  margin-top: 72px; background: linear-gradient(135deg, var(--g50), #fff);
  border: 1px solid var(--g100); border-radius: 20px; padding: 36px 40px;
  display: flex; align-items: center; gap: 28px; flex-wrap: wrap;
}
.faq-contact-band h2 { font-size: 20px; font-weight: 700; line-height: 1.5; }
.faq-contact-band p { color: var(--sub); font-size: 14px; margin-top: 4px; }
.faq-contact-band .btn { margin-left: auto; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .faq-main { padding-top: 0; }
  .faq-layout { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .faq-side {
    top: 72px; z-index: 5; background: rgba(255, 255, 255, .96); backdrop-filter: blur(8px);
    margin: 0 -24px; padding: 10px 24px; border-bottom: 1px solid var(--line);
  }
  .faq-side-label, .faq-side-contact { display: none; }
  .faq-nav { display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; }
  .faq-nav::-webkit-scrollbar { display: none; }
  .faq-nav a { flex: none; border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; font-size: 13px; }
  .faq-nav a.is-active { border-radius: 999px; border-color: var(--g600); }
  .faq-main .faq-a { padding-left: 22px; }
  .faq-contact-band { padding: 26px 22px; }
  .faq-contact-band .btn { margin-left: 0; width: 100%; }
}
@media (max-width: 600px) {
  .faq-hero { padding: 40px 0 40px; }
  .faq-main .faq-item summary { padding: 16px; font-size: 14.5px; gap: 10px; }
  .faq-main .faq-a { padding: 0 16px 18px; }
}