.article-index .index-main{background:#faf9f6;padding-bottom:56px}
.article-index .index-intro{padding-top:44px;padding-bottom:28px}
.article-index .index-eyebrow{font-size:13px;color:#806022;font-weight:700;margin:0 0 10px}
.article-index .index-intro h1{font-size:clamp(28px,4vw,40px);line-height:1.4;margin:0 0 12px;color:#1f2535}
.article-index .index-intro p:not(.index-eyebrow){font-size:16px;margin:0 0 12px;color:#586170}
.article-index .index-jump{font-size:14px;color:#785617;text-underline-offset:4px}
.article-index .index-talk,.article-index .index-topics{padding-top:24px;padding-bottom:24px}
.article-index .index-section-head{margin-bottom:20px}
.article-index .index-section-head h2{font-size:23px;line-height:1.5;margin:0 0 6px;color:#1f2535}
.article-index .index-section-head p{font-size:15px;color:#586170;margin:0}
.article-index .index-talk-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.article-index .index-talk-card{margin:0;min-width:0;background:white;border:1px solid #e4e2dc;border-radius:10px;overflow:hidden}
.article-index .index-talk-card>a{height:100%;display:block;color:inherit;text-decoration:none}
.article-index .index-talk-card img{display:block;width:100%;height:148px;object-fit:cover;object-position:center 38%}
.article-index .index-talk-card>a>div{padding:18px}
.article-index .index-card-type{font-size:12px;font-weight:700;color:#806022}
.article-index .index-talk-card h3{font-size:19px;line-height:1.5;margin:8px 0;color:#1f2535}
.article-index .index-talk-card p{font-size:14px;line-height:1.7;color:#586170;margin:0 0 12px}
.article-index .index-card-arrow{font-size:14px;font-weight:700;color:#785617}
.article-index .index-talk-card:hover{border-color:#b98a3b}
.article-index .index-talk-card a:focus-visible,.article-index summary:focus-visible{outline:3px solid #8d641b;outline-offset:-3px}
.article-index .index-topic{border-top:1px solid #dedbd3}
.article-index .index-topic:last-child{border-bottom:1px solid #dedbd3}
.article-index .index-topic summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;padding:20px 0;color:#1f2535}
.article-index .index-topic summary::-webkit-details-marker{display:none}
.article-index .index-topic summary>span:first-child{flex:1;min-width:0}
.article-index .index-topic strong{font-size:19px;display:block}
.article-index .index-topic small{display:block;font-size:14px;color:#586170;margin-top:5px;font-weight:400}
.article-index .index-count{font-size:13px;white-space:nowrap;color:#586170}
.article-index .index-topic summary:after{content:'＋';color:#806022;font-size:23px;flex:none}
.article-index .index-topic[open] summary:after{content:'−'}
.article-index .index-links{padding:0 0 16px;margin:0;list-style:none}
.article-index .index-links li{display:flex;align-items:baseline;gap:18px;border-top:1px solid #ece9e1;padding:12px 0}
.article-index .index-links a{flex:1;font-size:16px;line-height:1.6;color:#1f2535;text-decoration:none}
.article-index .index-links a:hover{text-decoration:underline;text-underline-offset:4px}
.article-index .index-links time{font-size:12px;color:#586170;white-space:nowrap}
.article-index .index-consult{display:flex;align-items:center;gap:28px;margin-top:30px;padding:28px;background:#1f2535;border-radius:10px;color:#fff}
.article-index .index-consult>div{flex:1}
.article-index .index-consult h2{font-size:23px;line-height:1.5;color:#fff;margin:0 0 8px}
.article-index .index-consult p{font-size:15px;line-height:1.8;color:#fff;margin:0}
.article-index .index-consult .btn{flex:none}
@media(max-width:700px){
.article-index .index-intro{padding-top:28px;padding-bottom:12px}
.article-index .index-talk-grid{grid-template-columns:1fr;gap:12px}
.article-index .index-talk-card>a{display:grid;grid-template-columns:104px minmax(0,1fr)}
.article-index .index-talk-card img{height:100%;min-height:148px;object-position:58% center}
.article-index .index-talk-card>a>div{padding:14px}
.article-index .index-talk-card h3{font-size:17px;margin:5px 0}
.article-index .index-talk-card p{font-size:13px;margin:0 0 6px}
.article-index .index-section-head h2{font-size:21px}
.article-index .index-topic summary{gap:10px;padding:18px 0}
.article-index .index-topic strong{font-size:17px}
.article-index .index-topic small{font-size:13px}
.article-index .index-links li{display:block}
.article-index .index-links time{display:block;margin-top:3px}
.article-index .index-consult{display:block;padding:24px 20px}
.article-index .index-consult h2{font-size:21px}
.article-index .index-consult .btn{margin-top:20px}
}

/* 画像内の見出しを読める大きさにする。PCは2列、スマホは1列。 */
.article-index .index-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;padding-bottom:24px}
.article-index .index-links li{display:block;padding:0;border:1px solid #e4e2dc;border-radius:8px;overflow:hidden;background:#fff}
.article-index .index-links .index-article{display:block;padding:0;height:100%}
.article-index .index-article-thumb{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain;background:#fff}
.article-index .index-article-copy{display:block;padding:16px 18px;min-width:0}
.article-index .index-article-title{display:block;font-size:18px;line-height:1.6}
.article-index .index-article time{display:block;margin-top:6px}
.article-index .index-links li:hover{border-color:#b98a3b}
@media(max-width:700px){
.article-index .index-links{grid-template-columns:1fr;gap:16px}
.article-index .index-article-copy{padding:14px 16px}
.article-index .index-article-title{font-size:17px}
}

.article-index .index-previous{margin:20px 0 0;font-size:15px;line-height:1.8}
.article-index .index-previous a{color:#785617;text-underline-offset:4px}
#previous-ai-talk{scroll-margin-top:130px}