@charset "UTF-8";

.section_title {
    margin-bottom: 1.5em;
    color: var(--main);
    font-size: 150%;
    font-weight: 700;
    line-height: 1.7;
    display: flex;
    align-items: center;
    position: relative;
}
@media screen and (min-width: 768px){
    .section_title {
        font-size: 225%;
    }
}
.section_title::before{
    content: '';
    width: 100%;
    height: 1px;
    background: var(--main);
    display: block;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    margin: auto 0;
}
.section_title span {
    background: #fff;
    padding-right: 1em;
    position: relative;
    z-index: 1;
}
.bg .section_title span {
    background: var(--bg);
}

/*------------------------------------------------------
    #feature
-------------------------------------------------------*/
#feature .feature {
    margin-bottom: 4em;
}
@media screen and (min-width: 768px){
    #feature .feature {
        margin-bottom: 7.75em;
    }
}
#feature .image {
    margin-top: 1.25em;
}
#feature h3 {
    margin-bottom: 1.5em;
    font-size: 125%;
    font-weight: 700;
    line-height: 1.7;
}
@media screen and (min-width: 768px){
    #feature h3 {
        font-size: 150%;
    }
}
#feature h3 span {
    color: var(--main);
    font-weight: 700;
    font-size: 70%;
    display: block;
}
@media screen and (min-width: 768px){
    #feature h3 span {
        font-size: 65%;
    }
}

/*------------------------------------------------------
    #overview
-------------------------------------------------------*/
#overview .functions_wrap {
    margin-bottom: 2.5em;
}
#overview .functions_wrap li {
    width: 9em;
    height: 9em;
    margin-bottom: 2.5em;
    border: 1px solid var(--main);
    border-radius: 50%;
    color: var(--main);
    text-align: center;
    line-height: 1.2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
@media screen and (min-width: 576px){
    #overview .functions_wrap li {
        width: 9em;
        margin-left: 0.4em;
        margin-right: 0.4em;
    }
}
@media screen and (min-width: 1200px){
    #overview .functions_wrap li {
        width: calc((100% - 4.875rem)/7);
        margin-left: 0;
        margin-right: 0;
    }
}
#overview .functions_wrap li img {
    width: 5.625em;
    display: block;
}
#overview .functions_wrap li span {
    height: 2.5em;
    display: flex;
    align-items: center;
}

/*------------------------------------------------------
    #list
-------------------------------------------------------*/
#list h3 {
    margin-bottom: 1.5em;
    color: var(--main);
    font-weight: 700;
    font-size: 125%;
}
#list h3 span {
    border-bottom: 1px solid var(--main);
}
#list .funclist {
    margin-bottom: 1.5em;
}
#list .funclist li {
    margin-right: 1em;
    margin-bottom: 1em;
    background: #fff;
    padding: 0.625em 1em;
    border: 1px solid var(--main);
    border-radius: 0.25em;
    font-size: 87.5%;
    font-weight: 500;
}
@media screen and (min-width: 768px){
    #list .funclist li {
        padding: 0.625em 2.5em;
        font-size: 100%;
    }
}
#list .funclist li:last-child {
    margin-right: 0;
}

/*------------------------------------------------------
    #movie
-------------------------------------------------------*/
.movie {
    width: 100%;
    padding-top: calc(100% / 16 * 9);
    margin-bottom: 3em;
    background: #f0f0f0;
    position: relative;
}
@media screen and (min-width: 768px){
    .movie {
        margin-bottom: 5.5em;
    }
    .movies > div:nth-child(odd) .movie {
        margin-right: auto;
    }
    .movies > div:nth-child(even) .movie {
        margin-left: auto;
    }

}
@media screen and (min-width: 992px){
    .movie {
        width: calc(100% - 1em);
    }
}
@media screen and (min-width: 1200px){
    .movie {
        width: calc(100% - 4em);
    }
}
.movie iframe {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}