* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN";
}
a{
    text-decoration: none;
}
header{
    background-color:gainsboro;
    opacity: 0.7;
    width:100%;
    height:60px;
    position:fixed;
    top:0;
    z-index:999;
}
.title-left a{
    font-weight: bold;
    font-size:20px;
    color: rgb(53, 52, 59);
    padding-top: 10px;
    padding-left: 20px;
    float: left;
    letter-spacing: 3px;
}  
.title-left a:hover{
    background-color: #eceaea;
    opacity: 0.9;
}
nav{
    background-color: rgb(53, 52, 59);
    display: flex;
    flex-direction: column;
    padding: 10px;
    float:right;
    letter-spacing:1px;
}
nav a:hover{
    background-color:rgb(157, 156, 168);
}
nav a{
    color:white;
    padding-right: 10px;
    font-size:12px;
}
nav h2{
    color:white;
    padding-right:10px;
    font-size:15px;
    border-bottom: 1px solid white;
    margin-top: 3px;
}
.introduce-card h1{
    color:white;
    padding-top:20px;
    font-size:50px;
    letter-spacing:3px;
}
.introduce-card h2{
    font-weight:normal;
    padding-top:0;
    padding-bottom:30px;
    font-size: 27px;
    color:white;
    letter-spacing:3px;
}


.home img{
    height:50px;
    width:70px;
}
.home {
  background-image: url(IMG_0475.jpg);
  height: 700px;
  background-size: cover;
  position: relative; 
}

.introduce-card {
  position: absolute;
  top: 150px;
  left: 50px;
  background-color: rgba(128,128,128,0.7);
  height: 50%;
  width: 450px;
  text-align: center;
}

.introduce-card a{
    background-color: rgba(5, 15, 87, 0.5);
    background-size: contain;
    color:white;
    font-size:20px;
    margin-top: 30px;
    padding:10px 20px 10px 20px;
    border-radius: 2px;
    letter-spacing: 3px;
}
.introduce-card a:hover{
    background-color: rgba(5, 15, 87, 0.8);
}
.About{
    background-color:lightgrey;
    height: contain;
    padding: 20px 30px 20px 30px;
    width: 80%;
    margin-top:30px;
    letter-spacing:2px;
    border-radius: 3px;
    margin-left:128px;
}
.aabout h2{
    text-align:center;
    padding-top: 10px;
    font-size: 27px;
    color: rgb(53, 52, 59);
    border-bottom: 10px solid 3;
}
.About li{
    padding-bottom:10px;
    padding-left:30px;
    color: rgb(53, 52, 59);
    font-size:20px;
}
.li1{
    padding-top:30px;
}
.Hobby h2{
    font-size:27px;
    padding-top:30px;
    text-align:center;
}
.hobbygrid{
    display:flex;
    flex-wrap:wrap;
    margin-top:50px;
    justify-content: center;
    gap:30px;
}
.hobby-item{
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    width: 200px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    flex-shrink: 0; 
}
.hobby-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: rgb(5, 15, 87);
}
.hobby-item p {
    font-size: 16px;
    color: rgb(53, 52, 59)
}
.Skill h2{
    font-size:27px;
    padding-top:30px;
    text-align:center;
}
.skill-li{
  text-align:left;
}
.skillgrid{
    display:flex;
    flex-wrap:wrap;
    margin-top:50px;
    justify-content: center;
    gap:30px;
}
.skill-item{
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    width: 200px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    flex-shrink: 0; 
}
.skill-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: rgb(5, 15, 87);
}
.skill-item p {
    font-size: 16px;
    color: rgb(53, 52, 59)
}
.Contact h2{
    text-align:center;
    padding-top: 10px;
    font-size: 27px;
    color: rgb(53, 52, 59);
    border-bottom: 10px solid 3;
}

.contact-item{
    background-color:lightgrey;
    height:contain;
    width: 80%;
    margin-top:30px;
    letter-spacing:2px;
    border-radius: 3px;
    margin-left:128px;
    padding-bottom:30px;
    margin-bottom:30px;
}
.contact-item p{
    padding-top:40px;
    padding-left:30px;
    color: rgb(53, 52, 59);
    font-size:20px;
    text-align:left;
}
.contact-item a{
    display: inline-block;
    background-color: hotpink;
    opacity: 0.85;
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    font-size: 16px;
    transition: opacity 0.3s ease;
}
.contact-item a:hover{
    opacity:1.0;
}

footer{
    background-color: aliceblue;
    padding-top: 30px;
    padding-bottom: 20px;
}