html {
  font-size: 62.5%;
}
body {
  font-family: "Manrope", "Noto Sans JP", sans-serif;
  font-size: 1.4rem;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  color: #000000;
}
a:hover {
  opacity: .5;
}
a {
  color: #000000;
  text-decoration: none;
}
header {
  padding: 2rem;
  display: flex;
  justify-content: space-between;
}
.sns-link {
  list-style: none;
  display: flex;
  gap: 1rem;
}
.sns-link img {
  height: 20px!important;
}
.site-logo a {
  text-decoration: none;
  color: #000000;
  font-size: 1.6rem;
  font-weight: 600;
}
.main {
  display: flex;
}
.navigation {
  font-size: 1.2rem;
  padding: 0 2rem;
}
.navigation ul {
  list-style: none;
  line-height: 2.0;
}
footer {
  padding: 2rem;
  position: relative;
  bottom: 0;
  font-size: 1.0rem;
}
.widget-area {
  width: 200px;
}
.article-wrap {
  width: calc(100% - 200px);
  padding: 2rem;
}
.tile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  padding: 2rem;
}
.tile {
  background: #f9f9f9;
  padding: 1rem;
  border-radius: 8px;
  overflow: hidden;
  text-align: center;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
.tile .thumb img {
  height: 180px;
  width: 100%;
  object-fit: cover;
  border-radius: 4px;
}
.pagetitle {
  font-size: 1.5rem;
}
.subtitle {
  font-size: 0.9rem;
  color: #666;
}
.article-list {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}
.article-thumbnail {
  width: 300px;
  height: 200px;
  overflow: hidden;
  position: relative;
  
}
.article-thumbnail a img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.main-image{
  width: 70%;
  margin: 0 auto;
}
.main-image img {
  width: 100%;
}

@media screen and (max-width:768px){
  .main {
    flex-flow: wrap;
  }
  .widget-area {
    width: 100%;
  }
  .article-wrap {
    width: 100%;
  }
  .navigation {
    display: flex;
    gap: 1rem!important;
  }
  .nav-list {
    display: flex;
    gap: 1rem;
  }
  .article-list {
    gap: auto;
  }
  .article-thumbnail {
    height: 108px;
    width: 108px;
  }
  .main-image{
    width: 100%;
    margin: 0 auto;
  }
}