/* ===== Base ===== */
* {
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Tahoma, sans-serif;
  background: linear-gradient(135deg, #f9fafb, #eef2ff);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

/* ===== Animations ===== */
@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bellShake {
  0% { transform: rotate(0); }
  25% { transform: rotate(8deg); }
  50% { transform: rotate(-8deg); }
  75% { transform: rotate(6deg); }
  100% { transform: rotate(0); }
}

/* ===== Card ===== */
.notice-box {
  background: #ffffff;
  border-radius: 14px;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
  padding: 36px 44px;
  max-width: 520px;
  width: 90%;
  text-align: center;
  animation: fadeSlideIn 0.8s ease-out;
}

/* ===== Icon ===== */
.icon {
  font-size: 48px;
  margin-bottom: 12px;
  display: inline-block;
  animation: bellShake 1.5s ease-in-out infinite;
}

/* ===== Text ===== */
.notice-title {
  font-size: 24px;
  font-weight: bold;
  color: #dc2626;
  margin-bottom: 16px;
}

.notice-text {
  font-size: 16px;
  color: #374151;
  line-height: 1.7;
}

/* ===== Contact ===== */
.contact {
  margin-top: 22px;
  font-weight: 600;
  color: #111827;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  margin: 10px 6px 0;
  padding: 10px 20px;
  border-radius: 999px;
  text-decoration: none;
  color: #ffffff;
  font-size: 14px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0,0,0,0.15);
}

.btn.line {
  background-color: #06c755;
}

.btn.facebook {
  background-color: #1877f2;
}