@charset "UTF-8";
@import url("grid.css");

:root { 
    --base-color: #000;
    --link-color: #666;
    --linkhover-color: #999;
    --back-color: #f7f7f7;
    --border-color: #ccc;
    --white-color: #fff;
}


img {
     max-width:100%;
    height: auto;
}

a {
    display:block;
    color: var(--link-color);
    text-decoration-line: none;
}
a:hover { 
    color: var(--linkhover-color);
}


header {
    position: fixed;
    z-index: 999;
    top: 0;
    left: 0;
    padding-top: 20px;
    padding-bottom: 20px;
    background: #eee;
    box-sizing: border-box;
    width: 100%;
    height:80px;
}

main {
    margin-top: 5rem;
    margin-right: auto;
    margin-left: auto;
    margin-bottom: 0;
    width: 70%;
}


section {
    margin-right: 0;
    margin-left: 0;
    padding-right: 0;
    padding-left: 0;
    padding-bottom: 3em;
    margin-bottom: 3em;
    margin-top: 1em;
    padding-top: 70px;
}

.mainimg .center img {
    width: 50%;
    margin-top: 80px;

}

.gray-back {
    background-color: var(--back-color);
    margin-top: 0px;
}



@media screen and (max-width: 768px){
    header {
    padding-top: 20px;
    padding-bottom: 20px;
    width: 100%;
    height: 110px;
    }	
    main {
        width: 100%;
    }
    .mainimg .center img {
        width: 100%;
         margin-top: 110px
    }
}

/*menu
-------------------------------------*/
.menu {
    display: flex;
    justify-content: space-between;
    width: 55%;
    margin-left: auto;
    margin-right: auto;
}
nav ul{
    display: flex;
    justify-content: space-between;
    margin-left: auto;
    width: 60%;
    margin-right: auto;
}
nav ul li{
    list-style: none;
    width: 10%;
    min-width: 90px;
    display: flex;
     border-left: 1px solid #333;
}
nav ul li a{
    text-decoration: none;
    color: #333;
    margin-left: auto;
    margin-right: auto;
}
nav ul li a:hover{
    color: #CCC;
}

@media screen and (max-width: 959px){
    .menu {
        display: block;
        width: 100%;
    }
    .menu1 {
        width: 60%;
        margin-left: auto;
        margin-right: auto;
    }
}


@media screen and (max-width: 768px){
    nav ul{
        width: 100%;
    }
    .menu1 {
        width: 100%;
    }
}


/*キャッチコピー
-------------------------------------*/
.catch {
    margin-bottom: 2em;
    margin-left: 50px;
    margin-right: 50px;
}
.catch h2 {
    padding-bottom: 1rem;
    margin-top: 2em;
}
.under {
    border-bottom: 0.4rem solid var(--base-color);
    padding:0 1rem 1rem 1rem;
}
.center {
    text-align: center;
    margin-bottom: 4rem;
    margin-top: 0em;
}
.side {
    display: flex;
    justify-content: space-between;
    width: 100%;
}
.side .center img {
    width: auto;
}



@media screen and (max-width: 768px){
  .under {
    border-bottom: 0.3rem solid var(--base-color);
    padding: 0 1rem 0rem 1rem;
    margin-bottom: 0px;
}
  .side {
    display: block;
    width: 100%;
}
}

/*会社情報
-------------------------------------*/
.company-overview {
    border-top: 1px solid #ddd;
    margin-left: 50px;
    margin-right: 50px;
}

.company-overview .item {
    padding: 24px 0;
    border-bottom: 1px solid #ddd;
}

@media screen and (min-width: 560px) {
    .company-overview .item {
        display: grid;
        grid-template-columns: 1fr 5fr;
        column-gap: 32px;
        -webkit-column-gap: 32px;
        -moz-column-gap: 32px;
    }
}


/*フッター
-------------------------------------*/
footer {
    padding-top: 1.5em;
    padding-bottom: 1.5em;
    background-color: rgba(0,0,0,1.00);
}
footer p {
    color: rgba(255,255,255,1.00);

}

/*コピーライト
-------------------------------------*/
.copyright {
    text-align: center;
}

/*へ戻るボタン
-------------------------------------*/
#pagetop {
    position: fixed;
    bottom: 15px;
    right: 15px;
}
#pagetop a {
    display: block;
    background-color: var(--base-color);
    color: var(--white-color);
    width: 50px;
    padding: 10px 5px;
    text-align: center;
}
#pagetop a:hover {
    background-color: var(--link-color);
}