@charset "UTF-8";
/* CSS Document */

body{
  margin:0;
  font-family:sans-serif;
  background:#f5fbff;
}

header{
  background:#004ea2;
  color:white;
  padding:25px;
  text-align:center;
}

header h1{
  margin:0;
  font-size:32px;
}

nav{
  background:#ffffff;
  box-shadow:0 2px 5px rgba(0,0,0,0.1);
}

nav ul{
  display:flex;
  flex-wrap:wrap;
  margin:0 auto;
  padding:0;
  list-style:none;
  max-width:1000px;
}

nav li{
  flex:1;
  text-align:center;
}

nav a{
  display:block;
  padding:15px;
  text-decoration:none;
  color:#333;
  font-weight:bold;
}

nav a:hover{
  background:#f0f8ff;
}

.hero {
  background-image: url("91222.jpg");
  background-size: cover;
  background-position: center;
  min-height: 720px;
  color: white;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
}

.hero-box {
  position: relative;
  z-index: 1;
  max-width: 720px;
  background: rgba(0, 78, 162, 0.82);
  padding: 35px 25px;
  border-radius: 18px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.35);
}

.hero-label {
  display: inline-block;
  background: #ffcc00;
  color: #003366;
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: bold;
  margin-bottom: 15px;
}

.hero h2 {
  font-size: 36px;
  line-height: 1.35;
  margin: 10px 0 20px;
}

.hero-catch {
  font-size: 20px;
  font-weight: bold;
  line-height: 1.7;
}

.taiken-info {
  background: white;
  color: #003366;
  border-radius: 14px;
  padding: 18px;
  margin: 25px 0;
  text-align: left;
}

.taiken-info div {
  border-bottom: 1px solid #ddd;
  padding: 10px 0;
}

.taiken-info div:last-child {
  border-bottom: none;
}

.taiken-info span {
  display: block;
  font-size: 14px;
  color: #003366;
}

.taiken-info strong {
  display: block;
  font-size: 20px;
}

.point-list {
  padding: 0;
  margin: 20px 0;
  list-style: none;
}

.point-list li {
  background: rgba(255,255,255,0.18);
  margin: 8px 0;
  padding: 10px;
  border-radius: 10px;
  font-weight: bold;
}

.main-button {
  display: inline-block;
  background: #e60033;
  color: white;
  font-size: 22px;
  font-weight: bold;
  padding: 18px 35px;
  border-radius: 999px;
  text-decoration: none;
  box-shadow: 0 5px 0 #9f001f;
}

.main-button:hover {
  transform: translateY(2px);
  box-shadow: 0 3px 0 #9f001f;
}

.small-note {
  font-size: 14px;
  margin-top: 15px;
}

.container{
  max-width:1000px;
  margin:auto;
  padding:20px;
}

.card{
  background:white;
  padding:20px;
  margin-bottom:20px;
  border-radius:8px;
  box-shadow:0 2px 5px rgba(0,0,0,0.1);
}

footer{
  background:#004ea2;
  color:white;
  text-align:center;
  padding:20px;
  margin-top:40px;
}

@media (max-width:600px){

  header{
    padding:20px 12px;
  }

  header h1{
    font-size:24px;
  }

  header h2{
    font-size:20px;
  }

  nav li{
    flex:50%;
  }

  nav a{
    padding:12px 5px;
    font-size:14px;
  }

  .hero {
    min-height: auto;
    padding: 25px 12px;
    background-position: center top;
  }

  .hero-box {
    padding: 25px 16px;
    border-radius: 16px;
  }

  .hero h2 {
    font-size: 26px;
  }

  .hero-catch {
    font-size: 17px;
  }

  .taiken-info strong {
    font-size: 18px;
  }

  .main-button {
    display: block;
    font-size: 20px;
    padding: 16px 20px;
  }

}