* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background: #e8e8e8;
  color: #2a2a2a;
  line-height: 1.5;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-gap: 2px;
  background: #2a2a2a;
  max-width: 1400px;
  margin: 0 auto;
}

.grid > * {
  background: #e8e8e8;
  padding: 25px;
}

.hdr {
  grid-column: 1/5;
  display: flex;
  align-items: center;
  gap: 15px;
  background: #3a3a3a;
  color: #fff;
}

.mark {
  width: 50px;
  height: 50px;
  background: #d4d4d4;
  color: #2a2a2a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  font-weight: 900;
}

.hdr h1 {
  font-size: 24px;
  line-height: 1.1;
  letter-spacing: -1px;
}

.nv {
  grid-column: 5/13;
  display: flex;
  gap: 0;
  align-items: stretch;
  padding: 0;
}

.nv a {
  flex: 1;
  padding: 25px 15px;
  text-decoration: none;
  color: #2a2a2a;
  background: #e8e8e8;
  border-left: 2px solid #2a2a2a;
  text-align: center;
  font-weight: bold;
  font-size: 13px;
  text-transform: uppercase;
}

.nv a:hover {
  background: #d4d4d4;
}

.nv a.em {
  background: #2a2a2a;
  color: #fff;
}

.hero {
  grid-column: 1/8;
  background: #fff;
  border-left: 6px solid #2a2a2a;
}

.hero h2 {
  font-size: 24px;
  margin-bottom: 10px;
}

.hero p {
  font-size: 16px;
  color: #666;
}

.block {
  padding: 20px;
  background: #fff;
}

.b1 {
  grid-column: 8/13;
}

.b2 {
  grid-column: 1/13;
  background: #f5f5f5;
}

.block h3 {
  font-size: 20px;
  margin-bottom: 15px;
  font-weight: 900;
}

.block p {
  margin: 8px 0;
  font-size: 14px;
}

.line {
  height: 2px;
  background: #d4d4d4;
  margin: 15px 0;
}

.note {
  font-size: 11px;
  color: #999;
  display: block;
  margin-top: 10px;
}

.block ul {
  list-style: none;
  padding: 0;
}

.block ul li {
  padding: 8px 0;
  border-bottom: 1px solid #ddd;
  font-size: 15px;
  display: block;
  width: 100%;
}

.block ul li:last-child {
  border: none;
}

.ft {
  grid-column: 1/13;
  background: #2a2a2a;
  color: #999;
  text-align: center;
}

.ft p {
  margin: 1px 0;
  font-size: 13px;
}

@media (max-width: 768px) {
  .grid {
    grid-template-columns: 1fr;
    grid-gap: 2px;
  }

  .hdr,
  .nv,
  .hero,
  .b1,
  .b2,
  .ft {
    grid-column: 1/-1;
  }

  .nv {
    flex-direction: column;
  }
}