/* h2見出し(目次など) */ .gamer-section-heading { background-color: #f0f8ff; border-left: 6px solid #0073e6; padding: 10px; border-radius: 5px; font-size: 20px; margin-top: 30px; box-shadow: 0 2px 5px rgba(0,0,0,0.05); } /* h3見出し(各セクション) */ .gamer-section-heading.section-h3 { background-color: #e6f2ff; bor…