/* Q&A（見やすさ重視・シンプル） */

.qa-hero {
  position: relative;
  padding: 4rem 1.5rem 2.75rem;
  border-bottom: var(--kfb-border);
  box-shadow: 0 8px 0 var(--kfb-black);
  background:
    radial-gradient(circle at 12% 15%, rgba(255, 215, 0, 0.55), transparent 55%),
    radial-gradient(circle at 86% 25%, rgba(0, 206, 209, 0.55), transparent 55%),
    radial-gradient(circle at 68% 90%, rgba(255, 20, 147, 0.42), transparent 60%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.88));
  overflow: hidden;
}

.qa-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
  padding: 1.2rem 1.25rem;
  background: rgba(255, 255, 255, 0.92);
  border: var(--kfb-border);
  box-shadow: var(--kfb-shadow);
  border-radius: 12px;
}

.qa-hero-tag {
  display: inline-block;
  font-family: var(--font-pop);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  border: 2px solid var(--kfb-black);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 2px 2px 0 var(--kfb-black);
  margin-bottom: 1.15rem;
}

.qa-hero-title {
  margin: 0 0 0.65rem;
}

.qa-hero-title-main {
  display: block;
}

.qa-hero-logo {
  display: block;
  max-width: min(280px, 70vw);
  height: auto;
  margin: 0 auto 0.5rem;
}

.qa-hero-title-text {
  display: block;
  font-family: var(--font-pop);
  font-weight: 800;
  font-size: clamp(1.55rem, 4.6vw, 2.1rem);
  color: var(--kfb-black);
  text-shadow: 3px 3px 0 #fff, 5px 5px 0 var(--kfb-black);
  line-height: 1.25;
}

.qa-hero-lead {
  margin: 0;
  font-size: clamp(0.95rem, 2.4vw, 1.1rem);
  line-height: 1.7;
}

.qa-hero-lead + .qa-hero-lead {
  margin-top: 0.85rem;
}

/* ヒーロー：お問い合わせフォーム（外部リンク） */
.qa-hero-cta-link {
  display: inline-block;
  font-family: var(--font-pop);
  font-weight: 800;
  font-size: clamp(0.95rem, 2.2vw, 1.15rem);
  color: var(--kfb-black);
  text-decoration: none;
  padding: 0.55rem 1.25rem;
  border-radius: 999px;
  border: 3px solid var(--kfb-black);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--kfb-shadow);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.qa-hero-cta-link:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--kfb-black);
  background: #fff;
}

.qa-hero-cta-link:focus-visible {
  outline: 3px solid var(--kfb-cyan);
  outline-offset: 3px;
}

.qa-hero-cta-link:active {
  transform: translate(3px, 3px);
  box-shadow: 0 0 0 var(--kfb-black);
}

.qa-section {
  padding: 2.75rem 1.5rem;
  background: #fff;
}

/* share / spot / hihilace と同じパステル縦ストライプ */
.qa-section.qa-section--stripe {
  background-color: #e6f4ff;
  background-image: repeating-linear-gradient(90deg,
      #e6f4ff 0px,
      #e6f4ff 40px,
      #e8e0f2 40px,
      #e8e0f2 80px,
      #ffdde8 80px,
      #ffdde8 120px,
      #ffddc8 120px,
      #ffddc8 160px,
      #fff4c8 160px,
      #fff4c8 200px,
      #d8f0e8 200px,
      #d8f0e8 240px,
      #e6f4ff 240px,
      #e6f4ff 280px);
  background-position: 0 0;
  background-repeat: repeat;
  background-size: 280px 100%;
}

.qa-section-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.qa-index {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1.25rem;
}

.qa-index-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 0.85rem;
  text-decoration: none;
  font-weight: 800;
  font-family: var(--font-pop);
  color: var(--kfb-black);
  background: rgba(255, 255, 255, 0.95);
  border: 2px solid var(--kfb-black);
  border-radius: 999px;
  box-shadow: 2px 2px 0 var(--kfb-black);
  transition: transform 0.15s, box-shadow 0.15s;
}

.qa-index-link:hover {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--kfb-black);
}

.qa-group {
  background: rgba(255, 255, 255, 0.96);
  border: var(--kfb-border);
  box-shadow: var(--kfb-shadow);
  border-radius: 14px;
  padding: 1.25rem 1.15rem;
  margin: 0 0 1.25rem;
}

.qa-group-title {
  margin: 0 0 0.9rem;
  font-family: var(--font-pop);
  font-weight: 800;
  font-size: clamp(1.15rem, 3vw, 1.4rem);
  border-bottom: 3px solid rgba(26, 26, 26, 0.18);
  padding-bottom: 0.6rem;
}

.qa-item {
  border-top: 1px solid rgba(26, 26, 26, 0.18);
  padding: 0.35rem 0;
}

.qa-item:first-of-type {
  border-top: none;
}

.qa-q {
  list-style: none;
  cursor: pointer;
  padding: 0.7rem 0.15rem;
  font-weight: 800;
  line-height: 1.6;
  position: relative;
  padding-right: 2.25rem;
}

.qa-q::-webkit-details-marker {
  display: none;
}

.qa-q::after {
  content: '+';
  position: absolute;
  right: 0.35rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1.6rem;
  height: 1.6rem;
  display: grid;
  place-items: center;
  border: 2px solid var(--kfb-black);
  border-radius: 999px;
  background: #ffd900;
  box-shadow: 2px 2px 0 var(--kfb-black);
}

.qa-item[open] > .qa-q::after {
  content: '−';
}

.qa-a {
  padding: 0 0.15rem 0.85rem;
  line-height: 1.85;
}

.qa-a p {
  margin: 0.55rem 0 0;
}

.qa-a p:first-child {
  margin-top: 0;
}

.qa-a ul {
  margin: 0.55rem 0 0;
  padding-left: 1.25rem;
}

.qa-related {
  margin-top: 0.75rem;
}

.qa-related a {
  font-weight: 800;
  font-family: var(--font-pop);
  color: #2f6585;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.qa-info {
  margin-top: 0.9rem;
  padding: 0.85rem 0.9rem;
  background: rgba(0, 206, 209, 0.08);
  border: 2px dashed rgba(26, 26, 26, 0.28);
  border-radius: 12px;
}

.qa-info-title {
  margin: 0 0 0.25rem;
  font-family: var(--font-pop);
  font-weight: 800;
}

.qa-info-text {
  margin: 0;
  line-height: 1.75;
}

@media (max-width: 768px) {
  .qa-hero {
    padding: 3.5rem 1rem 2.25rem;
  }

  .qa-section {
    padding: 2.25rem 1rem;
  }

  .qa-group {
    padding: 1.05rem 0.95rem;
  }
}