.ddq-research{--ink:#10242a;--quiet:#536169;--line:#dde3de;color:var(--ink);background:#fff}
.ddq-research .research-shell{max-width:1240px;margin:auto;padding:0 clamp(20px,5vw,72px)}
.ddq-research .research-intro{padding:90px 0 48px;border-bottom:1px solid var(--line);background:#f5f6f1}
.ddq-research .research-intro h1{font-size:clamp(2.1rem,4.6vw,4.4rem);line-height:1.07;letter-spacing:-.045em;max-width:23ch;margin:20px 0;color:var(--ink)}
.ddq-research .research-intro p{max-width:62ch;font-size:1.05rem;color:var(--quiet);line-height:1.7}
.ddq-research .research-meta{display:flex;flex-wrap:wrap;gap:8px 24px;font-size:.8rem;color:var(--quiet);margin:24px 0 0}
.ddq-research .research-meta a,.ddq-research .research-crumbs a{color:inherit;text-decoration:underline;text-underline-offset:3px}
.ddq-research .research-crumbs{font-size:.8rem;color:var(--quiet);display:flex;flex-wrap:wrap;gap:8px}
.ddq-research .research-body{padding-block:44px 80px}
.ddq-research h2{font-size:clamp(1.6rem,3vw,2.5rem);letter-spacing:-.035em;line-height:1.15;margin:0 0 18px;color:var(--ink)}
.ddq-research h3{font-size:1.2rem;letter-spacing:-.02em;margin:0 0 12px;color:var(--ink)}
.ddq-research p,.ddq-research li{font-size:1rem;line-height:1.7;color:var(--quiet)}
.ddq-research p{margin:0 0 16px;max-width:72ch}
.ddq-research a:not(.ddq-button){color:#994000;text-decoration:underline;text-underline-offset:4px}
.ddq-research .research-block{margin-top:52px;scroll-margin-top:110px}
.ddq-research .research-note{padding:22px 26px;border-left:3px solid #e34b08;background:#f5f6f1;border-radius:0 12px 12px 0;margin:24px 0}
.ddq-research .research-note p:last-child{margin:0}
.ddq-research .research-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.ddq-research .research-card{padding:28px;border:1px solid var(--line);border-radius:16px;background:#fff;min-width:0}
.ddq-research .research-card .research-kicker{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:#994000;margin-bottom:15px}
.ddq-research .research-card p:last-child{margin-bottom:0}
.ddq-research .research-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden;margin:32px 0}
.ddq-research .research-stat{background:#f5f6f1;padding:28px}
.ddq-research .research-stat strong{display:block;font-size:clamp(1.8rem,3vw,3rem);font-weight:550;letter-spacing:-.05em}
.ddq-research .research-stat span{font-size:.82rem;color:var(--quiet)}
.ddq-research .research-scroll{max-width:100%;overflow-x:auto;border:1px solid var(--line);border-radius:14px;margin:20px 0}
.ddq-research table{width:100%;border-collapse:collapse;font-size:.9rem;text-align:left;min-width:720px}
.ddq-research caption{padding:18px;text-align:left;font-weight:600;color:var(--ink);background:#f5f6f1}
.ddq-research th,.ddq-research td{padding:16px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.5}
.ddq-research thead th{background:#10242a;color:white;font-weight:500}
.ddq-research tbody th{min-width:160px;font-weight:600}
.ddq-research tr:last-child td,.ddq-research tr:last-child th{border-bottom:0}
.ddq-research .research-links{display:flex;flex-wrap:wrap;gap:12px 24px;margin:24px 0}
.ddq-research details{border-bottom:1px solid var(--line);padding:20px 0}
.ddq-research summary{font-weight:600;cursor:pointer;font-size:1.05rem;line-height:1.5}
.ddq-research details[open] summary{margin-bottom:14px}
.ddq-research dl{margin:16px 0 0;display:grid;grid-template-columns:125px 1fr;gap:12px;font-size:.9rem;line-height:1.5}
.ddq-research dt{font-weight:600}.ddq-research dd{margin:0;color:var(--quiet)}
.ddq-research ul,.ddq-research ol{padding-left:22px;margin:14px 0}.ddq-research li+li{margin-top:8px}
.ddq-research .research-form{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:900px}
.ddq-research label{display:grid;gap:8px;font-size:.9rem}
.ddq-research input{width:100%;min-width:0;padding:12px;border:1px solid #9ca9a6;border-radius:7px;font-size:16px;color:var(--ink);background:#fff}
.ddq-research output{display:block;margin:22px 0;font-size:1.1rem;font-weight:600;line-height:1.6}
.ddq-research :focus-visible{outline:3px solid #e34b08;outline-offset:4px}
@media(max-width:640px){.ddq-research .research-intro{padding:48px 0 32px}.ddq-research .research-grid,.ddq-research .research-form{grid-template-columns:1fr}.ddq-research .research-card{padding:22px}.ddq-research .research-stats{grid-template-columns:1fr}.ddq-research .research-stat{padding:18px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}.ddq-research .research-stat strong{font-size:2rem}.ddq-research .research-stat span{max-width:16ch}.ddq-research dl{grid-template-columns:105px 1fr}.ddq-research .research-body{padding-top:28px}}