@charset "UTF-8";
body {
    background: #f9f9fb;
    color: #333;
    font-family: 'Segoe UI', 'Noto Sans JP', sans-serif;
    line-height: 1.7;
    margin: 2rem auto;
    padding: 1rem;
    border-radius: 12px;
    background-color: #ffffff;
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.06);
  }
  
  h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    border-bottom: 2px solid #eee;
    padding-bottom: 0.5rem;
  }
  
  h2 {
    font-size: 1.8rem;
    color: #34495e;
    margin-top: 2rem;
    margin-bottom: 1rem;
    border-left: 4px solid #a3c4f3;
    padding-left: 0.5rem;
  }
  
  p {
    margin: 0.5rem 0;
  }
  
  li {
    margin: 0.5rem 0;
    padding-left: 0.5rem;
    list-style: none;
    position: relative;
  }
  
  li::before {
    position: absolute;
    left: -1.5rem;
    color: #7f8c8d;
  }
  
.header-image {
    position: relative;
    width: 100%;
    height: 300px;
    background: url(../images/flightA350900.png) center / cover;
    display: flex;
    justify-content: center;
    align-items: center;
}
.header-text {
    color: white;
    font-size: 32px;
    font-weight: bold;
    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
}

.nav {
    background-color: #191970;
    text-align: center;
}
.nav_mypage{
  background-color: #8b008b;
  text-align: center;
}
ul {
    overflow: hidden;
    list-style: none;
    margin: 0;
    padding: 0;
    text-align: center;
}
ul li {
    display: inline-block;
    padding: 26px 10px 20px 80px;
    margin-left: 20px;
}
.header_a {
    color: #fff;
    font-size: 20px;
    text-decoration: none;
}

a {
    color: #fff;
    font-size: 20px;
    text-decoration: none;
}

.wrapper {
    display: flex;
    gap: 2%;
    justify-content: space-between;
    margin: 0 auto;
}
.post{
    width:70%;
    border-right: 2px solid #000;
}
.sidebar{
    width:30%;
}

dt{
    border-bottom:1px solid #ccc;
    float:left;
    padding:10px 5px;
}
dd{
    border-bottom:1px solid #ccc;
    margin-left:100px;
    padding:10px 5px;
}

.button005 {
    border-radius: 3px;
    position: relative;
    display: flex;
    justify-content: space-around;
    margin: 0;
    max-width: 200px;
    padding: 3px 15px;
    color: #FFF;
    transition: 0.3s ease-in-out;
    font-weight: 600;
    background: rgb(149,202,252);
    background: linear-gradient(270deg, rgba(149,202,252,1) 0%, rgba(107,182,255,1) 100%);
}
.button005:hover {
    background: rgb(117,188,255);
    background: linear-gradient(270deg, rgba(117,188,255,1) 0%, rgba(62,159,252,1) 100%);
}
.marquee {
  overflow: hidden;
  white-space: nowrap;
  background-color: #000; /* 背景色 */
  color: #fff; /* 文字色 */
  padding: 10px;
  box-shadow: inset 0 0 5px #888;
  position: relative;
}

.marquee p {
  display: inline-block;
  padding-left: 100%; /* スタート位置を画面外に */
  animation: scroll-left 15s linear infinite;
  font-size: 1rem;
}
.gage{
  border: 1px solid #333;
  background: #999;
  width: 200px;
  margin: 10px 0;
}
.gage>div{
  height: 10px;
  /*変更*/background: linear-gradient(to right,#ff5623,#d3ff42);
}
@keyframes scroll-left {
  0% {
      transform: translateX(0);
  }
  100% {
      transform: translateX(-100%);
  }
}

@media(max-width:799px){
    a {
      color: #fff;
      font-size: 15px; 
      text-decoration: none;
    }
    .nav ul {
      display: flex;  
      flex-direction: column; 
      align-items: center; 
      padding: 0; 
      margin: 0;  
    }
  
    .nav ul li {
      margin: 10px 0; 
      padding: 10px 0; 
      display: block; 
    }

    .wrapper {
        display: flex;
        flex-direction: column;
    }
    
    .post,
    .sidebar {
        width: 100%;
        border-right: none;
    }

    .slider{
        margin-left: 0px;
      }
}