.collection-help{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:8%;border-top:1px solid var(--line);padding-top:48px}
.collection-help h2{font-size:39px;margin:8px 0 16px}
.collection-help p{font-size:14px;line-height:2.1;color:var(--muted)}
.collection-help-intro .text-link{margin-top:16px}
.collection-questions details{border-bottom:1px solid var(--line)}
.collection-questions details:first-child{border-top:1px solid var(--line)}
.collection-questions summary{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:64px;padding:16px 0;cursor:pointer;list-style:none;font-size:15px}
.collection-questions summary::-webkit-details-marker{display:none}
.collection-questions summary::after{content:'＋';font-size:21px;color:var(--gold);flex-shrink:0}
.collection-questions details[open] summary::after{content:'−'}
.collection-questions summary:hover{color:var(--gold)}
.collection-questions details>p{padding:0 0 20px}
@media(max-width:760px){.collection-help{grid-template-columns:1fr;gap:28px;padding-top:34px}.collection-help h2{font-size:33px}.collection-questions summary{font-size:14px}}