/* V56: grade × subject navigation for regions without dong-level pages */
.v56-grade-subject-section{padding-top:74px;padding-bottom:74px;background:linear-gradient(180deg,#fff 0%,#fff9fb 100%)}
.v56-grade-subject-section .section-head{max-width:780px;margin-bottom:28px}
.v56-grade-matrix{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.v56-grade-block{padding:24px;border:1px solid #efdbe4;border-radius:24px;background:#fff;box-shadow:0 14px 34px rgba(73,34,52,.07)}
.v56-grade-block h3{margin:0 0 6px;font-size:20px;color:var(--navy)}
.v56-grade-block>p{margin:0 0 16px;color:#6c5a63;font-size:13px;line-height:1.65}
.v56-subject-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
.v56-subject-links a{display:flex;align-items:center;justify-content:space-between;gap:7px;min-height:42px;padding:10px 11px;border:1px solid #f1dce5;border-radius:13px;background:#fff8fb;color:#4f3440;font-size:12px;font-weight:800;line-height:1.35;text-decoration:none;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.v56-subject-links a:after{content:'›';font-size:17px;line-height:1;color:#cf477c}
.v56-subject-links a:hover{transform:translateY(-1px);border-color:#e5aac0;box-shadow:0 8px 18px rgba(182,50,104,.09)}
.v56-grade-switch-wrap{padding:18px 0 0;background:#fff}
.v56-grade-switch{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px}
.v56-grade-switch a{padding:9px 14px;border:1px solid #ead8e0;border-radius:999px;background:#fff;color:#70525f;font-size:12px;font-weight:800;text-decoration:none}
.v56-grade-switch a.is-active{border-color:#d84e82;background:#fff1f6;color:#b63268;box-shadow:0 6px 16px rgba(182,50,104,.10)}
@media(max-width:900px){.v56-grade-matrix{grid-template-columns:1fr}.v56-grade-block{padding:20px}.v56-subject-links{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:620px){.v56-grade-subject-section{padding-top:52px;padding-bottom:52px}.v56-subject-links{grid-template-columns:repeat(2,minmax(0,1fr))}.v56-grade-block{border-radius:20px}.v56-subject-links a{min-height:44px;padding:9px 10px;font-size:11.5px}.v56-grade-switch{justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap;padding-bottom:2px}.v56-grade-switch a{flex:0 0 auto}}
@media(max-width:360px){.v56-subject-links{grid-template-columns:1fr}}