*{
    margin: 0;
    padding: 0;
}

html{
    height: 100%;
}
body {
    min-height: 100%;
    display: flex;
    flex-direction: column;
    background-color: #FFFFFF;
    font-family: Arial, sans-serif;
}
.main-content {
    flex: 1; 
}
/* ====== ヘッダー ====== */
header{
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    height: auto;
    min-height: 150px;
    border-bottom: 2px solid #EFC22B;
}
.handle {
    position: absolute;
    display: flex;
    top: 20px;
    left: 30px;
}
#handle_name{
    display: block;
    color: #2B2D31;
    font-size:36px;
    margin: 5px;
}
.sns-btn {
    display: flex;
    margin: 5px;
    margin-left: 36px;
}
.sns-btn li {
    width: 24px;
    height: 24px;
    margin: 6px;
    list-style-type: none;
}
.sns-btn li img {
    width: 100%;
    height: auto;
}

nav{
    position: absolute;
    display: flex;
    gap: 10px;
    bottom: 0px;
    right: 10px;
}
nav ul{
    display: flex;
    list-style-type: none;
    justify-content: space-around;
    margin-right: 30px;
}
nav li {
    width: 70px;
    height: 40px;
    list-style-type: none;
}
nav ul li a {display: block; width: 100%; height: 100%;
    text-align:center; color:#2B2D31; text-decoration:none;}
nav ul li.active, nav ul li:hover {border-bottom: 6px solid #EFC22B;}
nav ul li.active a, nav ul li:hover a {color: #EFC22B;}



/* ====== フッター ====== */
.footer_container{
    display: flex;
    flex-direction: column-reverse;
    justify-content: center;
    align-items: center;
    
    background-color: #EFC22B;
    width: 100%;
    height: 150px;
}
.sns-btn_f{
    display: flex;
    margin: 10px;
}
.sns-btn_f li {
    width: 30px;
    height: 30px;
    margin: 5px;
    list-style-type: none;
}
.sns-btn_f li img {
    width: 100%;
    height: auto;
}