*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}


body{

    width:100%;

    font-family:sans-serif;
    background-repeat:repeat-y;
    background-position:center top;
    background-size:100% auto;

}


/*-----------------*/
/* header */
/*-----------------*/

/*-----------------*/
/* header */
/*-----------------*/


#header {

    position: sticky;   /* 上部に固定 */
    top: 0;
    z-index: 1000;
    
}

header{

    width:100%;

    height: 90px;

    display: flex;
    justify-content: space-between;
    align-items: center;

    padding: 0 60px;

    background-color:black;  /* 背景を付ける */
    border-bottom: 1px solid #ccc;

}

.logo img{

    width:80px;
    height:auto;

    border: none;

}


nav ul{

    display:flex;

    list-style:none;

    gap:40px;

}

nav a{

    text-decoration:none;

    color:white;

    font-size:18px;


}

footer{
    width:100%;
    margin-top:80px;
    border-top: 1px solid #ccc;
    background-color:black;
}

/* 上部 */
.footer-container{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    padding:60px 8%;
}

.footer-column{
    display:flex;
    flex-direction:column;
    align-items:center;   /* カラム自体は中央 */
}

.footer-column h3{
    color:#fff;
    margin-bottom:30px;
    text-align:left;
    font-weight: bold;
    font-size: 24px;
}

.footer-column ul{
    list-style:none;
    width:220px;          /* リンク開始位置を揃える */
    margin:0;
    padding:0;
}

.footer-column li{
    margin:14px 0;
}

.footer-column a{
    display:block;
    text-align:left;      /* ← リンクだけ左揃え */
    color:#fff;
    text-decoration:none;
    font-size:20px;
    transition:.3s;
}

.footer-column a:hover{
    opacity:0.7;
}

/* 下部 */
.footer-bottom{
    text-align:center;
    padding:30px 0;
}

.footer-bottom p{
    margin-bottom:20px;
    color:#fff;
}

.footer-sns{
    display:flex;
    justify-content:center;
    gap:25px;
}

.footer-sns a{
    color:#777;
    font-size:28px;
}

.footer-sns a:hover{
    color:rgb(230, 67, 198);
}



/* ------------------------- */
/* タブレット */
/* ------------------------- */

@media screen and (max-width: 1024px) {

    header {
        height: 80px;
        padding: 0 30px;
    }

    .logo img {
        width: 70px;
    }

    nav ul {
        gap: 20px;
    }

    nav a {
        font-size: 16px;
    }

    /* フッター */
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
        padding: 50px 5%;
    }

}




/* ------------------------- */
/* スマートフォン */
/* ------------------------- */


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

    /* ----------------- */
    /* header */
    /* ----------------- */

    header {
        height: auto;
        min-height: 70px;

        padding: 10px 15px;

        flex-direction: column;
        gap: 10px;
    }


    .logo img {
        width: 60px;
    }


    nav {
        width: 100%;
    }


    nav ul {
        width: 100%;

        justify-content: center;

        gap: 12px;

        flex-wrap: wrap;
    }


    nav a {
        font-size: 13px;
    }


    
    /* ----------------- */
    /* footer */
    /* ----------------- */

    .footer-container {
        grid-template-columns: 1fr;

        gap: 40px;

        padding: 40px 20px;
    }


    .footer-column {
        align-items: flex-start;
    }


    .footer-column h3 {
        text-align: left;

        font-size: 17px;
    }


    .footer-column ul {
        width: 100%;
    }


    .footer-column a {
        font-size: 16px;
    }


    .footer-bottom {
        padding: 25px 15px;
    }


    .footer-bottom p {
        font-size: 13px;
    }

}