.dth-short-answer,.dth-toc,.dth-expert-box,.dth-example-box,.dth-reading-list,.dth-practice-check{margin:0 0 34px;padding:clamp(22px,4vw,34px);border:1px solid var(--dth-border);border-radius:20px;background:#fff;box-shadow:0 12px 34px rgba(0,30,71,.06)}
.dth-short-answer{border-color:#cfe7c1;background:#f4faef}.dth-short-answer p:last-child{margin-bottom:0}.dth-toc{background:#f8f6ff}.dth-toc h2,.dth-expert-box h2,.dth-example-box h2,.dth-reading-list h2{font-size:clamp(1.35rem,3vw,1.9rem)}
.dth-toc ol{columns:2;gap:34px;margin-bottom:0;padding-left:22px}.dth-toc li{break-inside:avoid;margin-bottom:8px}.dth-toc a{color:var(--dth-navy);font-weight:720;text-decoration-thickness:1px;text-underline-offset:3px}
.dth-expert-box{border:2px solid #a9d98a;border-left:8px solid var(--dth-green);background:linear-gradient(135deg,#fff,#f3faef)}.dth-example-box{border-color:#b7dfea;background:#f1fbff}.dth-reading-list{border-color:#cec4ff;background:#f7f5ff}.dth-reading-list li+li{margin-top:9px}
.dth-article-table{overflow-x:auto;margin:24px 0 34px;border:1px solid var(--dth-border);border-radius:16px}.dth-article-table table{margin:0}.dth-article-table th,.dth-article-table td{padding:13px 15px;border-bottom:1px solid var(--dth-border);text-align:left;vertical-align:top}.dth-article-table thead th{color:#fff;background:var(--dth-navy)}.dth-article-table tbody th{color:var(--dth-navy);background:#f7f9fb}.dth-article-table tr:last-child th,.dth-article-table tr:last-child td{border-bottom:0}
.dth-practice-check h3{margin-top:1.4em;font-size:1.12rem}.dth-inline-faq details{border-top:1px solid var(--dth-border)}.dth-inline-faq details:last-child{border-bottom:1px solid var(--dth-border)}.dth-inline-faq summary{padding:18px 38px 18px 0;color:var(--dth-navy);font-weight:780;cursor:pointer}.dth-inline-faq details p{padding:0 0 18px}.dth-article-body ol li+li{margin-top:12px}
.dth-deep-section,.dth-decision-log,.dth-scenario-section,.dth-follow-up{margin:38px 0}.dth-deep-section h3,.dth-follow-up h3{margin-top:1.5em;font-size:1.15rem}.dth-scenario-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:24px 0}.dth-scenario-grid article{padding:20px;border:1px solid var(--dth-border);border-radius:16px;background:#fff;box-shadow:0 10px 28px rgba(0,30,71,.05)}.dth-scenario-grid h3{margin-top:0;color:var(--dth-navy);font-size:1.08rem}.dth-scenario-grid p:last-child{margin-bottom:0}
.dth-tool{margin:0 0 42px;padding:clamp(22px,4vw,36px);border:2px solid #68cf45;border-radius:22px;background:linear-gradient(145deg,#f6fff1 0%,#fff 58%,#f5f2ff 100%);box-shadow:0 16px 42px rgba(0,30,71,.09)}.dth-tool h2{margin-top:0;color:var(--dth-navy);font-size:clamp(1.45rem,3vw,2rem)}.dth-tool-fields--grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:24px 0}.dth-tool-field{display:flex;flex-direction:column;gap:8px;color:var(--dth-navy);font-weight:760}.dth-tool-field input[type="number"],.dth-tool-field input[type="text"]{width:100%;min-height:48px;padding:10px 12px;border:1px solid #aab7c4;border-radius:10px;background:#fff;color:#142f55;font:inherit}.dth-tool-field input:focus-visible,.dth-tool input[type="range"]:focus-visible,.dth-tool button:focus-visible{outline:3px solid rgba(80,200,45,.36);outline-offset:3px}.dth-tool-input-wrap{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:9px}.dth-tool-input-wrap small{color:#59697e;font-weight:650}.dth-tool-checks{display:grid;gap:10px;margin:22px 0}.dth-tool-checks label{display:flex;align-items:flex-start;gap:11px;padding:12px 14px;border:1px solid var(--dth-border);border-radius:11px;background:rgba(255,255,255,.86);color:var(--dth-navy);font-weight:700}.dth-tool-checks input{flex:0 0 auto;width:20px;height:20px;margin-top:2px;accent-color:#4dbd2b}.dth-tool-ranges{display:grid;gap:12px;margin:24px 0}.dth-tool-ranges>label{display:grid;grid-template-columns:minmax(0,1fr) minmax(160px,.7fr);align-items:center;gap:20px;padding:13px 15px;border:1px solid var(--dth-border);border-radius:12px;background:rgba(255,255,255,.86);color:var(--dth-navy);font-weight:720}.dth-tool-range{display:grid;grid-template-columns:minmax(0,1fr) 32px;align-items:center;gap:12px}.dth-tool-range input{width:100%;accent-color:#4dbd2b}.dth-tool-range output{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--dth-navy);color:#fff;font-weight:800}.dth-tool-scale,.dth-tool-privacy{color:#59697e;font-size:.92rem}.dth-tool-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 16px}.dth-tool-actions button{min-height:46px;padding:10px 17px;border:2px solid var(--dth-navy);border-radius:999px;background:var(--dth-navy);color:#fff;font:inherit;font-weight:800;cursor:pointer}.dth-tool-actions button+button{background:#fff;color:var(--dth-navy)}.dth-tool-actions button:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(0,30,71,.13)}.dth-tool-result{min-height:64px;padding:16px 18px;border-left:5px solid #50c82d;border-radius:10px;background:#fff;color:#142f55;font-weight:680;white-space:pre-line}.dth-tool-privacy{margin:13px 0 0}.dth-method{margin:40px 0;padding:24px;border:1px solid #c9d3dd;border-radius:17px;background:#f7f9fb}.dth-method h2{margin-top:0}.dth-source-links{margin-bottom:20px}.dth-source-links li+li{margin-top:8px}.dth-source-links a{overflow-wrap:anywhere}
@media(max-width:720px){.dth-toc ol{columns:1}.dth-short-answer,.dth-toc,.dth-expert-box,.dth-example-box,.dth-reading-list,.dth-practice-check,.dth-tool{border-radius:15px}.dth-article-table{margin-inline:-8px}.dth-scenario-grid,.dth-tool-fields--grid{grid-template-columns:1fr}.dth-tool-ranges>label{grid-template-columns:1fr;gap:10px}.dth-tool-actions{align-items:stretch;flex-direction:column}.dth-tool-actions button{width:100%}}