html{
    font-size:100%;
}

body{
    font-size:0.9em;
}

a{
  text-decoration: none;
}

img{
    max-width:100%;
}

li{
    list-style:none;

}

h1{
    width:120px;
    line-height:1px;
    padding:10px 0;
}

nav a{
    display:block;
}

.section-title{
    display:inline-block;
   font-size:2rem;
    margin-bottom:60px;
    border-bottom:solid 1px #383e45;

}

h3{
    font-size:1em;
    margin:10px 0;

}

.f-item{
    max-width:960px;
    margin:0 auto 100px;
    padding:0 4%;
    text-align:center;

}

/*-------------------------------------------
ヘッダー
-------------------------------------------*/
#header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 auto;
}
#header ul {
  display: flex;
  padding: 10px 0;
}
#header li {
  margin-left: 30px;
}
#header li a {
  color: #24292e;
}
#header li a:hover {
  opacity: 0.7;
}

/*-------------------------------------------
Mainvisual
-------------------------------------------*/
#main{
  margin-bottom: 80px;
}
#main img {
  width: 100%;
  max-width: 1920px;
  height: 600px;
  object-fit: cover;
}

/*-------------------------------------------
About
-------------------------------------------*/
#about .content {
  display: flex;
  justify-content: center;
  align-items: center;
}
#about img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin-right: 30px;
}
#about .plofile {
  text-align: left;
}

/*-------------------------------------------
Bicycle
-------------------------------------------*/
#bicycle ul {
  display: flex;
  justify-content: space-between;
}
#bicycle li {
  width: 32%;
}

/*-------------------------------------------
footer
-------------------------------------------*/
footer {
  font-size: 0.5rem;
  padding: 10px 0;
  text-align: center;
}

/*-------------------------------------------
SP
-------------------------------------------*/
@media screen and (max-width: 600px) {

  /*-------------------------------------------
  Mainvisual
  -------------------------------------------*/
  #main img {
    height: calc(100vh - 60px);
  }

  /*-------------------------------------------
  About
  -------------------------------------------*/
  #about .content {
    flex-direction: column;
  }
  #about img {
    margin-right: 0;
  }

  #about .plofile{
    text-align:left;
  }

  /*-------------------------------------------
  Bicycle
  -------------------------------------------*/
  #bicycle ul {
    flex-direction: column;
  }
  #bicycle li {
    width: 100%;
    margin-bottom: 30px;
  }
}