/* แบนเนอร์รับสมัคร — ใช้ร่วม index.html, rules.html */
a.reg-banner {
  display: block;
  text-decoration: none;
  color: inherit;
  margin-bottom: 0;
  cursor: pointer;
}
.reg-banner-glow,
.reg-banner-vignette,
.reg-banner-shadow,
.reg-banner-flower {
  display: none;
}
.reg-banner-frame {
  border-radius: 14px;
  border: 1px solid rgba(212, 160, 64, .35);
  background: rgba(255, 255, 255, .03);
  box-shadow: 0 0 0 1px rgba(212, 160, 64, .08);
  transition: border-color .3s, box-shadow .3s;
  overflow: hidden;
}
a.reg-banner:hover .reg-banner-frame {
  border-color: rgba(212, 160, 64, .6);
  box-shadow: 0 0 0 1px rgba(212, 160, 64, .15), 0 8px 40px rgba(0, 0, 0, .45), 0 0 24px rgba(212, 160, 64, .12);
}
.reg-banner-inner {
  padding: 36px 32px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  text-align: center;
}
.reg-banner-left,
.reg-banner-right,
.reg-banner-content {
  display: contents;
}
.reg-banner-open {
  font-family: 'Prompt', sans-serif;
  font-weight: 500;
  font-size: clamp(18px, 2.5vw, 26px);
  letter-spacing: -.01em;
  color: #D4A040;
  margin-bottom: 14px;
}
.reg-banner-big {
  font-family: 'Prompt', sans-serif;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 500;
  color: #FFFFFF;
  line-height: 1.2;
  letter-spacing: -.01em;
  margin-bottom: 10px;
}
.reg-banner-event {
  font-family: 'Prompt', sans-serif;
  font-weight: 300;
  font-size: clamp(13px, 1.8vw, 15px);
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .5);
  margin-bottom: 20px;
  line-height: 1.55;
  max-width: 520px;
}
.reg-banner-divider {
  width: 48px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212, 160, 64, .55), transparent);
  margin-bottom: 20px;
}
.reg-banner-deadline-box {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
  padding: 0;
  background: none;
  border: none;
  margin-bottom: 22px;
}
.reg-banner-deadline-box .tl-reg-label {
  font-family: 'Prompt', sans-serif;
  font-weight: 400;
  font-size: clamp(15px, 2vw, 20px);
  letter-spacing: .02em;
  color: rgba(255, 255, 255, .75);
}
.reg-banner-deadline-box .tl-reg-deadline {
  font-family: 'Prompt', sans-serif;
  font-size: clamp(18px, 2.5vw, 26px);
  font-weight: 500;
  color: #D4A040;
  letter-spacing: -.01em;
}
.reg-banner-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 32px;
  border: 1px solid rgba(212, 160, 64, .5);
  background: rgba(212, 160, 64, .08);
  color: rgba(255, 255, 255, .88);
  font-family: 'Prompt', sans-serif;
  font-size: 14px;
  font-weight: 400;
  border-radius: 32px;
  letter-spacing: .06em;
  transition: all .25s;
}
a.reg-banner:hover .reg-banner-cta {
  background: rgba(212, 160, 64, .2);
  border-color: rgba(212, 160, 64, .75);
  color: #fff;
  box-shadow: 0 4px 18px rgba(212, 160, 64, .18);
}

@media (max-width: 640px) {
  .reg-banner-inner {
    padding: 28px 18px 26px;
  }
  .reg-banner-open {
    font-size: 16px;
    margin-bottom: 10px;
  }
  .reg-banner-big {
    font-size: 20px;
  }
  .reg-banner-event {
    font-size: 13px;
    margin-bottom: 16px;
  }
  .reg-banner-deadline-box .tl-reg-label,
  .reg-banner-deadline-box .tl-reg-deadline {
    font-size: 16px;
  }
  .reg-banner-cta {
    font-size: 13px;
    padding: 10px 22px;
  }
}