.saikai-faq{background:#fafafa}.saikai-faq-hero{background:linear-gradient(135deg,#d32f2f 0%,#b71c1c 100%);color:#fff;padding:56px 0 44px}.saikai-faq-hero__inner{max-width:1100px;margin:0 auto;padding:0 20px}.saikai-faq-hero__title{margin:0 0 10px;font-size:clamp(1.6rem,2.5vw,2.2rem);line-height:1.2}.saikai-faq-hero__lead{margin:0;color:rgba(255,255,255,.92);line-height:1.7}.saikai-faq__container{max-width:1100px;margin:0 auto;padding:28px 20px 64px}.saikai-faq__notice{background:#fff;border:1px solid #eee;border-radius:14px;padding:16px 18px;box-shadow:0 6px 18px rgba(0,0,0,.05);margin-bottom:18px}.saikai-faq__notice a{color:#d32f2f;font-weight:600}.saikai-faq__grid{display:grid;grid-template-columns:1fr;gap:14px}.saikai-faq__section{background:#fff;border:1px solid #eee;border-radius:14px;padding:16px 18px;box-shadow:0 6px 18px rgba(0,0,0,.05)}.saikai-faq__section-title{margin:0 0 10px;font-size:1.15rem;color:#222}.saikai-faq-item{border-top:1px solid #f1f1f1;padding-top:10px;margin-top:10px}.saikai-faq-item:first-child{border-top:none;padding-top:0;margin-top:0}.saikai-faq-item summary{cursor:pointer;font-weight:700;color:#222;list-style:none}.saikai-faq-item summary::-webkit-details-marker{display:none}.saikai-faq-item summary:after{content:'＋';float:right;color:#d32f2f}.saikai-faq-item[open] summary:after{content:'－'}.saikai-faq-item__answer{margin-top:10px;color:#444;line-height:1.8}.saikai-faq-item__answer p{margin:0 0 10px}.saikai-faq-item__answer p:last-child{margin-bottom:0}.saikai-faq-item__answer ul{margin:8px 0 10px 1.1em}.saikai-faq-cta{display:grid;grid-template-columns:1fr;gap:10px;margin-top:18px}.saikai-faq-btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 14px;border-radius:999px;text-decoration:none;font-weight:700}.saikai-faq-btn--primary{background:#d32f2f;color:#fff}.saikai-faq-btn--ghost{background:0 0;color:#d32f2f;border:2px solid #d32f2f}@media (min-width:900px){.saikai-faq__grid{grid-template-columns:1fr 1fr;gap:16px}.saikai-faq-cta{grid-template-columns:1fr 1fr}}