.page-hero { align-items: center; padding-bottom: 0; }
.page-hero-bg { background-image: url('../images/hero-sns.jpg'); }

.intro-section { padding: clamp(60px, 8vw, 100px) clamp(20px, 5vw, 80px) clamp(40px, 5vw, 60px); display: flex; flex-direction: column; align-items: center; gap: 32px; }
.intro-divider-v { width: 1px; height: 80px; background: var(--navy); margin: 0 auto; }
.intro-ghost { font-family: 'Inter', sans-serif; font-weight: 800; font-size: clamp(24px, 4vw, 64px); color: var(--navy); opacity: 0.1; text-align: center; line-height: 1.4; user-select: none; margin-top: 8px; }
.intro-title { font-family: 'Inter', sans-serif; font-weight: 800; font-size: clamp(20px, 2.5vw, 28px); color: var(--navy); text-align: center; margin-top: -8px; }
.intro-desc { max-width: 900px; text-align: center; font-family: 'Noto Sans JP', sans-serif; font-weight: 500; font-size: 15px; color: #333; line-height: 2.2; }
.intro-image { width: 100%; max-width: 1260px; aspect-ratio: 1260 / 500; border-radius: 12px; overflow: hidden; margin: 0 auto; }
.intro-image img { width: 100%; height: 100%; object-fit: cover; display: block; }

.feature-section { background: #fafafa; padding: clamp(60px, 8vw, 100px) clamp(20px, 5vw, 80px); }
.feature-heading { display: flex; flex-direction: column; align-items: center; gap: 8px; margin-bottom: 60px; }
.feature-heading-en { font-family: 'Inter', sans-serif; font-weight: 800; font-size: clamp(36px, 5vw, 48px); color: var(--navy); line-height: 1.1; }
.feature-heading-ja { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 16px; color: var(--dark); letter-spacing: 0.2em; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; max-width: 1260px; margin: 0 auto; }
.feature-item { position: relative; padding-top: 20px; }
.feature-num { position: absolute; top: 0; left: 50%; transform: translateX(-50%); font-family: 'Inter', sans-serif; font-weight: 500; font-size: 100px; color: var(--navy); opacity: 0.1; line-height: 1; pointer-events: none; user-select: none; }
.feature-item-content { position: relative; z-index: 1; display: flex; flex-direction: column; gap: 12px; padding-top: 60px; }
.feature-item-title { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 22px; color: var(--navy); }
.feature-item-divider { width: 22px; height: 2px; background: var(--dark); }
.feature-item-desc { font-family: 'Noto Sans JP', sans-serif; font-weight: 500; font-size: 15px; color: var(--dark); line-height: 2.2; }

.whatwedo-section { padding: clamp(60px, 8vw, 100px) clamp(20px, 5vw, 80px); }
.whatwedo-heading { display: flex; flex-direction: column; align-items: center; gap: 8px; margin-bottom: 70px; }
.whatwedo-heading-en { font-family: 'Inter', sans-serif; font-weight: 800; font-size: clamp(32px, 4vw, 48px); color: var(--navy); line-height: 1.1; }
.whatwedo-heading-ja { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 16px; color: var(--dark); letter-spacing: 0.2em; }
.whatwedo-steps { display: flex; flex-direction: column; gap: 80px; max-width: 1260px; margin: 0 auto; }
.step-block { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.step-block.reverse { direction: rtl; }
.step-block.reverse > * { direction: ltr; }
.step-image { border-radius: 16px; overflow: hidden; box-shadow: 10px 30px 40px 10px rgba(0,0,0,0.1); aspect-ratio: 600 / 400; }
.step-image img { width: 100%; height: 100%; object-fit: cover; display: block; }
.step-content { display: flex; flex-direction: column; gap: 24px; }
.step-title { font-family: 'Noto Sans JP', sans-serif; font-weight: 700; font-size: clamp(20px, 2vw, 28px); color: #242528; letter-spacing: 0.05em; line-height: 1.35; }
.step-lead, .step-detail { font-family: 'Noto Sans JP', sans-serif; font-weight: 500; font-size: 14px; color: rgba(36,37,40,0.7); line-height: 2; }

.faq-section { background: #fff; padding: clamp(60px, 8vw, 100px) clamp(20px, 5vw, 80px); }
.faq-inner { display: flex; gap: 60px; max-width: 1260px; margin: 0 auto; align-items: flex-start; flex-wrap: wrap; }
.faq-heading { flex: 0 0 auto; min-width: 120px; display: flex; flex-direction: column; gap: 8px; padding-top: 4px; }
.faq-heading-en { font-family: 'Inter', sans-serif; font-weight: 800; font-size: clamp(36px, 4vw, 48px); color: var(--navy); line-height: 1.1; }
.faq-heading-ja { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 16px; color: var(--dark); letter-spacing: 0.2em; text-align: center; }
.faq-list { flex: 1 1 400px; display: flex; flex-direction: column; gap: 10px; }
.faq-item { border-radius: 12px; overflow: hidden; border: 1px solid rgba(0,0,0,0.07); }
.faq-question { display: flex; align-items: center; gap: 16px; padding: 0 20px; height: 72px; cursor: pointer; background: #fff; user-select: none; }
.faq-question:hover { background: #fafafa; }
.faq-q-letter { font-family: 'Inter', sans-serif; font-weight: 700; font-size: 28px; color: #242528; flex-shrink: 0; line-height: 1; }
.faq-q-text { flex: 1; font-family: 'Noto Sans JP', sans-serif; font-weight: 700; font-size: 16px; color: #242528; line-height: 1.5; }
.faq-toggle { width: 40px; height: 40px; border-radius: 50%; border: 1px solid rgba(36,37,40,0.1); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: #242528; transition: transform 0.3s; }
.faq-item.open .faq-toggle { transform: rotate(180deg); }
.faq-answer { display: none; padding: 16px 20px 20px 60px; font-family: 'Noto Sans JP', sans-serif; font-size: 14px; font-weight: 500; color: rgba(36,37,40,0.7); line-height: 2; background: #fff; border-top: 1px solid rgba(0,0,0,0.06); }
.faq-item.open .faq-answer { display: block; }

@media (max-width: 900px) {
  .feature-grid { grid-template-columns: 1fr; gap: 48px; }
  .step-block { grid-template-columns: 1fr; gap: 32px; }
  .step-block.reverse { direction: ltr; }
  .faq-inner { flex-direction: column; gap: 32px; }
}
@media (max-width: 640px) {
  .intro-ghost { font-size: 22px; }
  .intro-image { aspect-ratio: 4/3; }
  .step-image { aspect-ratio: 4/3; }
}