html{
    font-size: 14px;
}

@media screen and (min-width:768px) {
    html{
        font-size: 16px;
    }
}

a{
    color: #333;
    text-decoration: none;
}


.cmn-title{
    text-align: center;
    font-weight: bold;
}

.sub-title{
    display: block;
    color: #38b6ff;
}

.main-title{
    display: block;
    font-size: 2rem;
}

/* header */
.header{
    max-width: 1024px;
    margin: 0 auto;
    padding: 20px 16px;
}

.header-logo{
    font-size: 35px;
    font-weight: bold;
}

.header-logo img{
    margin-right: 20px;
}

.header-list{
    display: flex;
    justify-content: space-between;
    margin-top: 1.5rem;
}

.header-item{
    /* 1rem = 16px */
    font-size: 1.2rem;
}

.header-item :hover{
    color: gray;
}

@media screen and (min-width:768px) {
    .header{
        display: flex;
        justify-content: space-between;
        align-items: center;
        height: 80px;
        padding: 0;
    }
    .header-list{
        margin-top: 0;
    }
    .header-item{
        margin-left: 2.5rem;
    }
}



/* firstview */

.firstview{
    background-image: url(../image/01_desk.jpg);
    background-size: cover;
    background-position: center;
    height: 800px;
}

.firstview-message{
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 3.0rem;
    height: 100%;
    letter-spacing: 0.3rem;
}

.firstview-message .blue{
    color: #38b6ff;
}

@media screen and (min-width:768px){
    .firstview-message{
        font-size: 5.5rem;
        letter-spacing: 0.5rem;
    }
}

/* about */

.about{
    max-width: 800px;
    margin: 120px auto 0;
    padding: 0 16px;
}


.about-wrapper{
    margin-top: 60px;
}

.about-image{
    text-align: center;
}

.about-text{
    margin-top: 40px;
}

.about-greeting{

}

.about-subtitle{
    font-size: 1.5rem;
    color: #38b6ff;
    margin-bottom: 0.5rem;
}

.greeting-desc{
    
}

.about-career{
    margin-top: 30px;
}

.career-list{
    
}

.career-item{
    
}

@media screen and (min-width:768px){
    .about-wrapper{
        display: flex;
    }
    .about-text{
        margin-top: 0;
        margin-left: 80px;
    }
}

/* skills */

.skills{
    max-width: 1024px;
    margin: 120px auto 0;
    padding: 0 16px;
}

.skill-list{
    margin-top: 60px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px 20px;
}

.skill-item{
    
}

.skill-image{
    height: 180px;
    text-align: center;
}

.skill-name{
    font-size: 1.5rem;
    font-weight: bold;
    text-align: center;
}

.skill-desc{
    margin-top: 1rem;
}

@media screen and (min-width:768px){
    .skill-item{
        width: 230px;
    }
    .skill-list{
        max-width: 500px;
        margin: 60px auto 0;
    }
}


@media screen and (min-width:1024px){
    .skill-list{
        max-width: 100%;
    }
}

/* works */

.works{
    max-width: 900px;
    margin: 120px auto 0;
}

.work-list{
    margin-top: 60px;
}

.work-item{
    margin-top: 45px;
}

.work-item.reverse{
    flex-direction: row-reverse;
}

.work-image{
    
}

.work-image img{
    width: 100%;
}

.work-video{

}

.work-video video{
    width: 100%;
}


.work-text{
    margin-top: 2rem;
    padding: 0 16px;
}

.work-title{

}

.work-skill{

}

.work-time{

}

.work-desc{
    margin-top: 1rem;
}

@media screen and (min-width:768px){
    .work-item{
        display: flex;
        gap: 0 50px;
    }
    .work-image{
        width: 50%;
    }
    .work-text{
        width: 50%;
        padding: 0;
    }
}

/* contact */

.contact{
    margin: 120px 0;
    text-align: center;
}

.contact-text{
    margin: 60px;
}

.contact-mail{
    font-size: 2rem;
    font-weight: bold;
}

.icon-area{
    margin-top: 30px;
}

.icon-area .fab{
    font-size: 2.0rem;
    margin: 0 1rem;
}


/* footer */
.footer{
    background-color: #ddd;
    padding: 30px 16px 10px;
}

.footer-list{
    display: flex;
    justify-content: space-between;
    max-width: 400px;
    margin: 0 auto;
}

.footer-item{
    font-size: 1.2rem;
}

.copywrite{
    margin-top: 2rem;
    text-align: center;
}