.index_main_vi {
    width: 100%;
    max-height: 440px;
    min-height: 440px;
    position: relative;
    overflow: hidden;
}
video {
    width: 100%;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
}
.play-btn {
    display:flex;
    align-items: center;
    justify-content: center;
    column-gap: 4px;
    width: 40px;
    height: 40px;
    background-color: #cf142b;
    border-radius: 9999px;
    position: absolute;
    bottom: 30px;
    left: 0;
    right: 0;
    margin: 0 auto;
    z-index: 2;
    cursor: pointer;
}
.play-btn.play::before{
    content: "";
    display: block;
    width: 4px;
    height: 14px;
    background-color: #fff;
}
.play-btn.play::after{
    content: "";
    display: block;
    width: 4px;
    height: 14px;
    background-color: #fff;
}
.play-btn.pause::before{
    content: "";
    display: block;
    width: 12px;
    height: 15px;
    background-color: #fff;
    clip-path: polygon(0 0, 100% 50%, 0 100%);
    margin-left: 4px;
}
.play-btn.pause::after{
    display: none;
}

@media (max-width: 800px) {
    .index_main_vi {
        max-height: auto;
        min-height: auto;
        padding-bottom: 56.25%;
        box-sizing: border-box;
    }
}

.index_main_vi img {
    width: 100%;
}


.index_main_vi-inner .balloon {
    max-width: 80px;
}
.index_section_top {
    padding: 60px 0 80px;
    box-sizing: border-box;
}
.index_section_top {
    width: 100%;
    max-width: 1008px;
    margin: 0 auto;
}
.index_section_title {
    font-size: 40px;
    text-align: center;
    margin-bottom: 10px;
    position: relative;
}
.index_section_title .balloon {
    vertical-align: middle;
    margin-right: 15px;
}
.index_section_lead {
    font-size: 20px;
    font-weight: bold;
    text-align: center;
    margin: 0 auto 33px;
    letter-spacing: 1px;
}
.index_section_text {
    font-size: 16px;
    text-align: center;
    line-height: 30px;
    margin: 0 auto 38px;
}
.index_section_btn {
    width: 100%;
    max-width: 260px;
    margin: 0 auto;
    background: #cf142b;
    display: block;
    text-align: center;
    padding: 8.5px 0;
    border-radius: 5px;
    position: relative;
    color: #fff;
    font-size: 17px;
}
.index_section_btn:link,
.index_section_btn:visited {
    color: #fff;
}
.index_section_btn:hover {
    text-decoration: none;
    background: #ba0f26;
}
.index_section_btn:after {
    content: "";
    background: url(/-/Media/Ricoh/Sites/jp_ricoh/top/img/index/section_btn.png) 0 0 no-repeat;
    width: 16px;
    height: 16px;
    position: absolute;
    right: 10px;
    top: 0;
    bottom: 0;
    margin: auto;
}

@media screen and (max-width: 640px) {
    .sp {
        display: block;
    }
    .pc {
        display: none;
    }
    .index_main_vi {
        background: none;
    }
    .index_main_vi {
        min-height: auto;
    }

    .index_section_top {
        padding: 40px 36px 80px;
    }
    .index_section_title {
        font-size: 24px;
        text-align: center;
        margin-bottom: 16px;
    }
    .index_section_title .balloon {
        max-width: 40px;
    }
    .index_section_lead {
        font-size: 14px;
        margin: 0 auto 41px;
        letter-spacing: 0;
    }
    .index_section_text {
        font-size: 16px;
        text-align: left;
        margin: 0 auto 32px;
    }
}