/* ---------- S07b 개원 세미나 (신규 hospital: .sem · 신승회계법인 공동) ---------- */
.section--sem{padding:8px 0 88px}
.sem{position:relative;overflow:hidden;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:56px;border-radius:28px;background:radial-gradient(120% 150% at 0% 0%,#1B2C6B 0%,#0B0D11 62%);color:#fff}
.sem::before{content:"";position:absolute;right:-140px;bottom:-190px;width:460px;height:460px;border-radius:50%;background:var(--bc-mint);opacity:.16;filter:blur(90px);pointer-events:none}
.sem__main,.sem__card{position:relative;z-index:1}
.sem .label{margin:0 0 14px;color:var(--bc-mint)}
.sem__title{font-size:36px;font-weight:800;letter-spacing:-.035em;line-height:1.36;color:#fff}
.sem__title em{font-style:normal;color:#8DB1FF}
.sem__lead{margin:20px 0 0;font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.78)}
.sem__lead + .sem__lead{margin-top:12px}
.sem__promo{margin-top:26px;display:flex;align-items:flex-start;gap:14px;padding:16px 18px;border:1px solid rgba(255,255,255,.18);border-radius:16px;background:rgba(255,255,255,.06)}
.sem__badge{flex:none;padding:6px 12px;border-radius:999px;background:var(--bc-mint);color:#062B26;font-size:12.5px;font-weight:800;line-height:1.3}
.sem__promo p{margin:2px 0 0;font-size:15.5px;line-height:1.7;font-weight:600;color:#fff}
.sem__card{padding:30px 30px 26px;border-radius:20px;background:#fff;color:var(--bc-text);box-shadow:0 26px 64px rgba(0,0,0,.4)}
.sem__card h3{font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--bc-dark)}
.sem__dl{margin:20px 0 0;display:grid;gap:14px}
.sem__dl > div{display:grid;grid-template-columns:76px 1fr;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--bc-line)}
.sem__dl > div:last-child{border-bottom:0;padding-bottom:0}
.sem__dl dt{font-size:13px;font-weight:800;letter-spacing:.04em;color:var(--bc-muted)}
.sem__dl dd{margin:0;font-size:15.5px;font-weight:600;line-height:1.6;color:var(--bc-dark)}
.sem__dl dd small{display:block;margin-top:2px;font-size:13px;font-weight:500;color:var(--bc-muted)}
.sem__btn{width:100%;margin-top:22px}
.sem__note{margin:12px 0 0;font-size:12.5px;line-height:1.65;color:var(--bc-muted)}
@media (max-width:1100px){.sem{gap:32px;padding:44px 36px}.sem__title{font-size:31px}}
@media (max-width:900px){.sem{grid-template-columns:1fr;gap:30px}}
@media (max-width:640px){
  .section--sem{padding:0 0 56px}
  .sem{padding:30px 20px;border-radius:22px}
  .sem__title{font-size:25px}
  .sem__lead{font-size:15px}
  .sem__promo{flex-direction:column;gap:10px}
  .sem__card{padding:24px 20px 22px}
  .sem__dl > div{grid-template-columns:64px 1fr;gap:10px}
}