body {
  color: black;
}
        .center {
  text-align: center;
}

        
         a {color: black;
            text-decoration: none}
      
#worksicon {
  padding: 20px 20px;
  margin: 35px 40px; 
}
        

header {
  width: 100%;
  height: 200px;
  padding: 5px 0;
  
  background-image: url(logos.png)
  background-size: cover;
}
header .headline{
    line-height: 100px;
    font-size: 30px;
    text-decoration: underline;
}
.nav-list {
    line-height: 100px;
    list-style: none;
    font-weight: bold;
}
.nav-list-item {
  list-style: none;
  display: inline-block;
  margin: 0 20px;
}
        
        
 /* ↓id="nav"の中のulに対してCSSを適用*/
#nav ul {
  list-style-type: none; /*箇条書きのポッチを消す*/
  text-align:center /*左右中央寄せは親要素に対して指定*/
}

/* ↓id="nav"の中のulの中のliに対してCSSを適用*/
#nav ul li { 
  display: inline-block;/*inline-blockにします*/
  width: 100px;/*幅も指定できる*/
  padding: 100px 0;/*余白も指定できる*/
  margin: 100px 0;/*余白も指定できる*/
  vertical-align: middle;/*縦の表示位置も指定できる*/
  }
     
        footer{
    width: 100%;
    height: 10px;
     
    color: black;
    text-align: center;
}
ul.footer-menu li {
display: inline;
}
   
        .空白行 {
    margin-top: 60px; /* 上の余白を指定 */
    margin-bottom: 60px; /* 下の余白を指定 */
}
        
               .item-list {
  display: flex;
  justify-content: space-between;
}
.item-list .item {
  width: 31%;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
.item-list .item .image {
  margin: 0;
  padding: 0;
}
.item-list .item .image img {
  width: 50%;
}
.item-list .item .title {
  margin: 10px 0 0;
  padding: 0;
  font-weight: bold;
  font-size: 20px;
}
.item-list .item .description {
  margin: 5px 0 0;
  padding: 0;
  font-size: 16px;
}
        
     .card-container{
  
    display: 100px;
    margin: 20px auto;
    width: 70%;
    }
         
.card-container a{
    text-decoration: none;
    color: black;
}

.card-text{
    width:100px;
    margin: 10px 20px;
}
.card-text h2{
    padding-top: 10px;
    font-size: 1em;
}
.card-text p{
    font-size: 0.6em;
}

       .Form {
  margin-top: 80px;
  margin-left: auto;
  margin-right: auto;
  max-width: 720px;
}
@media screen and (max-width: 480px) {
  .Form {
    margin-top: 40px;
  }
}
.Form-Item {
  border-top: 1px solid #ddd;
  padding-top: 24px;
  padding-bottom: 24px;
  width: 100%;
  display: flex;
  align-items: center;
}
@media screen and (max-width: 480px) {
  .Form-Item {
    padding-left: 14px;
    padding-right: 14px;
    padding-top: 16px;
    padding-bottom: 16px;
    flex-wrap: wrap;
  }
}
.Form-Item:nth-child(5) {
  border-bottom: 1px solid #ddd;
}
.Form-Item-Label {
  width: 100%;
  max-width: 248px;
  letter-spacing: 0.05em;
  font-weight: bold;
  font-size: 18px;
}
@media screen and (max-width: 480px) {
  .Form-Item-Label {
    max-width: inherit;
    display: flex;
    align-items: center;
    font-size: 15px;
  }
}
.Form-Item-Label.isMsg {
  margin-top: 8px;
  margin-bottom: auto;
}
@media screen and (max-width: 480px) {
  .Form-Item-Label.isMsg {
    margin-top: 0;
  }
}
.Form-Item-Label-Required {
  border-radius: 6px;
  margin-right: 8px;
  padding-top: 8px;
  padding-bottom: 8px;
  width: 48px;
  display: inline-block;
  text-align: center;
  background-color: cornflowerblue;
  color: #fff;
  font-size: 14px;
}
@media screen and (max-width: 480px) {
  .Form-Item-Label-Required {
    border-radius: 4px;
    padding-top: 4px;
    padding-bottom: 4px;
    width: 32px;
    font-size: 10px;
  }
}
.Form-Item-Input {
  border: 1px solid #ddd;
  border-radius: 6px;
  margin-left: 40px;
  padding-left: 1em;
  padding-right: 1em;
  height: 48px;
  flex: 1;
  width: 100%;
  max-width: 410px;
  background: #eaedf2;
  font-size: 18px;
}
@media screen and (max-width: 480px) {
  .Form-Item-Input {
    margin-left: 0;
    margin-top: 18px;
    height: 40px;
    flex: inherit;
    font-size: 15px;
  }
}
.Form-Item-Textarea {
  border: 1px solid #ddd;
  border-radius: 6px;
  margin-left: 40px;
  padding-left: 1em;
  padding-right: 1em;
  height: 216px;
  flex: 1;
  width: 100%;
  max-width: 410px;
  background: #eaedf2;
  font-size: 18px;
}
@media screen and (max-width: 480px) {
  .Form-Item-Textarea {
    margin-top: 18px;
    margin-left: 0;
    height: 200px;
    flex: inherit;
    font-size: 15px;
  }
}
.Form-Btn {
  border-radius: 6px;
  margin-top: 32px;
  margin-left: auto;
  margin-right: auto;
  padding-top: 20px;
  padding-bottom: 20px;
  width: 280px;
  display: block;
  letter-spacing: 0.em;
  background-color: #add8e6;
  color: #fff;
  font-weight: bold;
  font-size: 20px;
}
@media screen and (max-width: 480px) {
  .Form-Btn {
    margin-top: 24px;
    padding-top: 8px;
    padding-bottom: 8px;
    width: 160px;
    font-size: 16px;
  }
}