:root {
  --accent: #B71C1C;
  --dark: #212121;
  --light: #FAFAFA;
  --font-main: 'Sawarabi Mincho', serif;
  --font-tech: 'Share Tech Mono', monospace;
}
*, *::before, *::after {
  box-sizing: border-box;
}
body {
  margin: 0;
  padding: 0;
  background: var(--light);
  color: var(--dark);
  font-family: var(--font-main);
  line-height: 1.6;
}
header {
  position: relative;
  height: 280px;
  background: url('banner3.webp') center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-tech);
}
header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
}
.header-content {
  position: relative;
  text-align: center;
  color: var(--light);
}
.header-content h1 {
  margin: 0;
  font-size: 3rem;
  text-shadow: 2px 2px 8px rgba(0,0,0,0.8);
  font-family: var(--font-tech);
}
.header-content p {
  margin-top: 0.5rem;
  font-size: 1.2rem;
  text-shadow: 1px 1px 4px rgba(0,0,0,0.8);
}
nav {
  background: var(--dark);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  padding: 1rem;
  gap: 1rem;
}
nav a {
  color: var(--light);
  text-decoration: none;
  font-family: var(--font-tech);
  transition: color 0.3s;
}
nav a:hover {
  color: var(--accent);
}
section {
  max-width: 960px;
  margin: auto;
  padding: 2rem 1rem;
}
h2 {
  font-family: var(--font-tech);
  color: var(--accent);
  border-bottom: 3px solid var(--accent);
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}
h3 {
  font-family: var(--font-tech);
  color: var(--dark);
  margin-top: 2rem;
}
table.itinerary-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}
table.itinerary-table th,
table.itinerary-table td {
  border: 1px solid var(--accent);
  padding: 0.75rem;
  text-align: left;
}
ul.poi-list,
ul.city-itinerary,
ul.phrase-list {
  margin-top: 1rem;
  padding-left: 1.2rem;
}
ul.poi-list li::marker,
ul.city-itinerary li::marker,
ul.phrase-list li::marker {
  color: var(--accent);
  font-size: 1.2rem;
}
a.poi-link {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.3s;
}
a.poi-link:hover {
  color: var(--dark);
}
@media (max-width: 600px) {
  .header-content h1 {
    font-size: 2rem;
  }
  nav {
    flex-direction: column;
  }
}