.study-round-nav{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin:20px auto 28px;padding:0 20px;max-width:1400px;font-family:system-ui,sans-serif}.study-round-nav a{display:block;padding:10px 16px;min-height:44px;border-radius:8px;color:#294359;text-decoration:none;font-size:14px;font-weight:650;background:#edf2f5}.study-round-nav a[aria-current]{background:#132d48;color:#fff}.study-round-nav .study-round-back{margin-left:auto;background:transparent;color:#11664c}.study-round-nav a:focus-visible,.study-round-empty a:focus-visible{outline:3px solid #b08000;outline-offset:4px}.study-round-empty{font-family:system-ui,sans-serif;max-width:900px;margin:32px auto 64px;padding:36px;background:#fff;border:1px solid #d8e2e6;border-radius:16px;color:#132d48}.study-round-label{font-size:12px;font-weight:750;letter-spacing:.08em;color:#11664c}.study-round-empty h1{font-size:clamp(28px,4vw,42px);line-height:1.2;margin:18px 0 32px}.study-round-empty h2{font-size:23px;line-height:1.35;margin:0 0 16px}.study-round-empty p{line-height:1.7}.study-round-empty a{display:inline-block;margin-top:16px;color:#11664c;font-weight:650;min-height:44px}.study-round-empty p:not(.study-round-label){color:#526578;max-width:680px}@media(max-width:700px){.study-round-nav{padding:0 12px;gap:8px}.study-round-nav a{font-size:13px;padding:10px 12px}.study-round-nav .study-round-back{margin-left:0;width:100%}.study-round-empty{padding:24px;margin:20px 12px 40px}}