.ds-case-study-index__header{max-width:1200px;margin-inline:auto;padding-block:60px 32px;padding-inline:40px}.ds-case-study-index__title{font-family:var(--font-display);letter-spacing:-.028em;text-wrap:balance;max-inline-size:760px;margin:0;font-size:clamp(32px,4.5vw,48px);font-weight:600;line-height:1.06}.ds-case-study-index__title:lang(ja),.ds-case-study-index__title:lang(zh){letter-spacing:0;line-height:1.35}.ds-case-study-index__sub{color:var(--electe-stone-600);text-wrap:pretty;max-inline-size:560px;margin-block:12px 0;margin-inline:0;font-size:16px}.ds-case-study-index__section{padding-block:0 64px;padding-inline:40px}.ds-case-study-index__grid{grid-template-columns:repeat(auto-fit,minmax(min(280px,100%),1fr));gap:12px;max-width:1200px;margin-inline:auto;display:grid}.ds-case-study-index__card{flex-direction:column;gap:10px;padding:24px;display:flex}.ds-case-study-index__thumb{aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-md);inline-size:100%;display:block}.ds-case-study-index__card-title{letter-spacing:-.014em;margin:0;font-size:18px;line-height:1.25}.ds-case-study-index__desc{color:var(--electe-stone-600);margin:0;font-size:13px;line-height:1.5}.ds-case-study-index__read{color:var(--fg-link);margin-block-start:auto;font-size:12.5px;font-weight:600}@media (max-width:767px){.ds-case-study-index__header,.ds-case-study-index__section{padding-inline:16px}}.ds-case-cover{aspect-ratio:16/9;border-radius:var(--radius-md);background:var(--electe-navy-deep);inline-size:100%;display:block;position:relative;overflow:hidden}.ds-case-cover__motif{block-size:100%;inline-size:100%;position:absolute;inset:0}.ds-case-cover__label{font-family:var(--font-mono,"Geist Mono", monospace);letter-spacing:.14em;text-transform:uppercase;color:#ffffffc7;font-size:10px;position:absolute;inset-block-start:14px;inset-inline-start:16px}.ds-case-study-index__chips{flex-wrap:wrap;gap:8px;margin-block-end:18px;display:flex}.ds-case-study-index__chip{color:inherit;border:1px solid #08143a24;border-radius:999px;align-items:center;min-block-size:32px;padding:7px 14px;font-size:12px;font-weight:500;text-decoration:none;display:inline-flex}.ds-case-study-index__chip[aria-current=true]{background:var(--ds-navy,#1a1f36);border-color:var(--ds-navy,#1a1f36);color:#fff}.ds-case-study-index__metric{border-left:3px solid var(--electe-teal);color:var(--electe-navy);margin:.375rem 0 0;padding-left:.75rem;font-weight:600}