/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  background-color: #f9f9f9;
  color: #1a1a1a;
  line-height: 1.6;
}

/* Hero Section */
.hero {
  background: url('../images/hero-bg.png') no-repeat center center/cover;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  flex-direction: column;
  padding: 2rem;
}

.hero img {
  width: 160px;
  height: auto;
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: #003366;
}

.hero p {
  font-size: 1.1rem;
  color: #333;
}

.hero .tagline {
  font-style: italic;
  margin-top: 0.5rem;
  color: #666;
}

.hero .btn {
  margin-top: 1.5rem;
  padding: 0.7rem 1.4rem;
  background-color: #003366;
  color: #fff;
  text-decoration: none;
  font-weight: bold;
  border-radius: 4px;
  transition: background 0.3s;
}

.hero .btn:hover {
  background-color: #005199;
}

/* Section Base */
.section {
  padding: 4rem 2rem;
  max-width: 800px;
  margin: auto;
  background-color: #ffffff;
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: #003366;
}

.section p, .section ul {
  font-size: 1rem;
  color: #333;
}

/* About Sectionのulリスト調整 */
#about ul {
  list-style: disc;
  padding-left: 2em; /* 全体の左余白を増やす */
  list-style-position: outside; /* マーカーはテキストの外側 */
}

#about ul li {
  margin-left: 1em; /* li自体の左余白 */
  text-indent: 0; /* テキストのインデントは無し */
}

/* Footer */
footer p {
  text-align: center;
  font-size: 0.9rem;
  color: #666;
  margin: 0.3rem 0;
}