/* 実務コラム専用。既存シミュレーターのCSSは変更しません */
.article-breadcrumb{border-bottom:1px solid var(--line);background:#f6f8fc;font-size:12px;color:#52627a;padding:10px 0}
.article-breadcrumb a{color:var(--navy);text-decoration:underline;text-underline-offset:3px}
.article-hero{background:linear-gradient(115deg,#fff 20%,#f0f5fb 100%);border-bottom:1px solid var(--line);padding:43px 0 38px}
.article-hero .container{max-width:1180px}
.article-hero h1{max-width:910px;font-family:var(--serif);font-size:clamp(27px,3.4vw,37px);line-height:1.52;letter-spacing:.015em;color:var(--navy);margin:10px 0 16px;overflow-wrap:anywhere}
.article-intro{max-width:860px;margin:0;font-size:15px;line-height:1.95;color:#334560}
.article-meta{margin:18px 0 0;display:flex;gap:16px;flex-wrap:wrap;font-size:12px;color:#52627a}
.article-body-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:30px;padding:31px 0 58px;align-items:start}
.article-main{min-width:0}
.article-content{max-width:none;background:#fff;border:1px solid var(--line);padding:31px 35px;box-shadow:0 8px 25px rgba(0,30,78,.035)}
.article-content h2{font-family:var(--serif);font-size:23px;line-height:1.5;color:var(--navy);margin:0 0 12px;letter-spacing:0}
.article-content p{color:#31425f;font-size:15px;line-height:1.98;margin:0}
.article-content .article-part{margin:0;padding:26px 0;border-bottom:1px solid #e3e9f1}
.article-content .article-part:first-of-type{padding-top:5px}
.article-content .article-part:last-of-type{border:0;padding-bottom:10px}
.article-quick{border-left:4px solid var(--gold);background:#f7f9fc;padding:17px 19px;margin:0 0 30px}
.article-quick strong{display:block;font-size:12px;letter-spacing:.08em;color:var(--navy);margin-bottom:5px}
.article-quick p{font-weight:700;font-size:16px;color:var(--navy)}
.article-tool{background:#eff4fa;border:1px solid #cad9ea;padding:24px 26px;margin-top:26px}
.article-tool .kicker{font-size:12px;color:#65768d;letter-spacing:.12em;font-weight:800;margin:0 0 6px}
.article-tool h2{font-size:22px;margin:0 0 9px}
.article-tool p{font-size:14px;line-height:1.8}
.article-tool a.tool-link{display:inline-flex;align-items:center;gap:13px;background:var(--navy);color:#fff;text-decoration:none;font-weight:800;padding:11px 21px;margin-top:18px;min-height:46px}
.article-tool a.tool-link:hover{background:var(--navy-2)}
.article-tool a.tool-link:after{content:'›';font-size:22px;line-height:1}
.article-tool .extra-tool{display:inline-block;margin-top:12px;text-decoration:underline;color:var(--navy);font-weight:800;font-size:13px}
.article-sources{margin-top:26px;background:#fff;padding:19px 22px;border:1px solid var(--line)}
.article-sources h2{font-size:15px;color:var(--navy);margin:0 0 10px}
.article-sources ul{margin:0;padding-left:19px;font-size:13px;line-height:1.9;color:#31425f}
.article-sources a{color:var(--navy);text-decoration:underline;overflow-wrap:anywhere}
.article-sources .source-note{margin:13px 0 0;font-size:12px;color:#52627a;line-height:1.85}
.article-sidebar{position:sticky;top:16px;display:grid;gap:17px}
.article-side-block{padding:19px;background:#fff;border:1px solid var(--line)}
.article-side-block h2{font-size:17px;line-height:1.5;color:var(--navy);margin:0 0 11px}
.article-side-block a{display:block;border-top:1px solid #e6ebf2;padding:11px 0;font-size:13px;line-height:1.6;color:var(--navy);font-weight:700}
.article-side-block a:hover{text-decoration:underline}
.article-ad-placeholder{min-height:128px;background:#fff;border:1px solid #d7e0ec}
.article-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.article-grid-card{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);padding:23px 23px 20px;min-width:0;transition:border .2s,box-shadow .2s}
.article-grid-card:hover{border-color:#aebfd5;box-shadow:0 10px 26px rgba(0,30,78,.09)}
.article-grid-card .cat{font-size:11px;letter-spacing:.08em;color:#926b1c;font-weight:800}
.article-grid-card h2{font-size:19px;line-height:1.55;font-family:var(--serif);color:var(--navy);margin:0}
.article-grid-card p{font-size:13px;color:#52627a;line-height:1.8;margin:0;flex:1}
.article-grid-card .go{font-size:13px;color:var(--navy);font-weight:800;margin-top:8px}
.article-list-intro{font-size:14px;line-height:1.9;color:#31425f;margin:0 0 24px}
.article-category-title{color:var(--navy);font-family:var(--serif);font-size:23px;margin:28px 0 13px;padding-bottom:10px;border-bottom:2px solid #dce6f1}
.article-category-title:first-child{margin-top:0}
.article-related{margin-top:26px}
.article-related h2{font-size:17px;color:var(--navy);margin:0 0 12px}
.article-related a{display:block;background:#fff;border:1px solid #d7e0ec;padding:13px 17px;margin-bottom:9px;font-size:14px;color:var(--navy);font-weight:700;line-height:1.65}
.article-related a:hover{text-decoration:underline}
@media(max-width:960px){.article-body-layout{grid-template-columns:minmax(0,1fr)}.article-sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:650px){.article-hero{padding:29px 0 27px}.article-hero h1{font-size:27px}.article-intro{font-size:14px}.article-body-layout{padding-top:20px;gap:20px}.article-content{padding:24px 18px}.article-content h2{font-size:21px}.article-content p{font-size:14px}.article-grid{grid-template-columns:1fr}.article-sidebar{grid-template-columns:1fr}.article-tool{padding:20px}.article-quick{padding:15px}.article-quick p{font-size:15px}.article-grid-card{padding:20px}.nav-inner{gap:17px!important;flex-wrap:wrap;height:auto!important;min-height:58px}.nav-inner a{font-size:13px!important;padding:13px 0!important}}

/* 参考資料：各コラムの最下部で公的資料のURLまで確認可能にする */
.article-sources{margin-top:30px;padding:19px 22px}
.article-sources ul{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.article-sources li{padding:0 0 11px;border-bottom:1px solid var(--line)}
.article-sources li:last-child{padding-bottom:0;border-bottom:0}
.article-sources a.source-title{display:block;font-weight:600;font-size:13px;line-height:1.65}
.article-sources a.source-url{display:block;margin-top:3px;font-size:12px;font-weight:400;line-height:1.55;overflow-wrap:anywhere;word-break:break-word;color:var(--muted)}
@media(max-width:600px){.article-sources{padding:16px 15px}}