.background {
    background-image: url(/images/purebg.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    position: fixed;

    padding: 0;
    margin: 0;
    width: 100vw;
    height: 100vh;

    z-index: 1;
    opacity: 0.7;
}

body {
    font-family: "游明朝", YuMincho, "Hiragino Mincho ProN W3",
        "ヒラギノ明朝 ProN W3", "Hiragino Mincho ProN", "HG明朝E", "ＭＳ Ｐ明朝",
        "ＭＳ 明朝", serif;
    font-weight: 500;
}

.youtube {
    width: 50%;
    /*横幅いっぱいにwidthを指定*/
    padding-bottom: 28.125%;
    /*高さをpaddingで指定(16:9)*/
    height: 0px;
    /*高さはpaddingで指定するためheightは0に*/
    position: relative;
    margin-left: 25%;
    margin-right: 25%;
}

.youtube iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.titles {
    width: 18em;
    position: relative;
    z-index: 5;
    margin: 3em auto 0 auto;
    text-align: center;
    font-size: 3rem;
    border-bottom: solid 3px #e087b5;
}

.bannerlist {
    list-style-type: none;
    display: flex;
    margin-left: 0.5vw;
}

.bannerlist li {
    margin: 0 1.5vw 5vw 1.5vw;
}

.speimg {
    width: 25vw;
    overflow: hidden;
    display: block;
    vertical-align: top;
}

.specialbanner {
    margin: 0 2.5vw;
    z-index: 5;
    transition: all 0.3s ease 0s;
}

.specialbanner a {
    display: inline-block;
    width: 100%;
    height: 100%;
    transition: 0.5s;
}

.specialbanner a:hover {
    box-shadow: 0 5px 10px 0 rgba(0, 0, 0, 0.3);
    transform: translateY(-0.5em);
}

.texta {
    margin: 0 20%;
    font-size: 1.75em;
}

.text1 {
    margin: 0 20%;
    font-size: 1.75em;
    padding-top: 1em;
    /*上に2emあるから足して3emになるように調整*/
    padding-bottom: 3em;
}

p2 {
    font-size: 2.2em;
    width: 70rem;
    margin: 0 20%;
    padding-bottom: 5px;
}

.text2 {
    margin: 0 20%;
    font-size: 1.75em;
    padding-top: 0.5em;
    padding-bottom: 4em;
    text-indent: 1.5em;
}

.text3 {
    margin: 0 20%;
    font-size: 1.75em;
    padding-top: 0em;
    padding-bottom: 2em;
    padding-left: 0.75em;
}

.text5 {
    font-family: sans-serif;
    font-weight: bold;
    margin: 0 20%;
    font-size: 1.75em;
    padding-top: 0.5em;
    padding-left: 0.75em;
}

.text4 {
    margin: 0 20%;
    font-size: 1.75em;
    padding-left: 3.75em;
    line-height: 1.75em;
}

.text6 {
    margin: 0 20%;
    font-size: 1.75em;
    padding-left: 4.75em;
    text-indent: -1em;
    line-height: 1.75em;
}

.layout {
    padding: 0 2.5em;
}

.list {
    font-family: sans-serif;
    font-weight: bold;
}

.list1 {
    padding: 0 3em;
    line-height: 2em;
}

.list2 {
    padding-left: 3em;
    font-family: sans-serif;
    font-weight: bold;
}

.list3 {
    font-family: sans-serif;
    font-weight: bold;
    margin: 0 20%;
    font-size: 1.75em;
    padding-top: 0.5em;
    text-indent: 1em;
    line-height: 2em;
}

.list4 {
    font-family: sans-serif;
    font-weight: bold;
    margin: 0 20%;
    font-size: 1.75em;
    padding-top: 0.5em;
    text-indent: 1em;
    padding-left: 3em;
}

.list5 {
    margin: 0 20%;
    font-size: 1.75em;
    padding-left: 2.5em;
    text-indent: -1em;
    line-height: 1.75em;
}

.link1 {
    margin: 0 20%;
    padding-top: 2em;
    font-size: 1.75em;
    padding-left: 5.5em;
}

.link-underline {
    display: inline-block;
    text-decoration: none;
    color: #284c9e;
    margin-bottom: 0.5%;
}

.link-underline::after {
    border-bottom: solid 2px #284c9e;
    bottom: 0;
    content: "";
    display: block;
    transition: all 0.3s ease;
    -webkit-transition: all 0.3s ease;
    width: 0;
}

.link-underline:hover::after {
    width: 100%;
}

.mail {
    color: #284c9e;
    transition: 0.5s;
}

.mail:hover {
    color: #72c8d5;
}

.btn-flat-border {
    display: inline-block;
    padding: 0.3em 1em;
    text-decoration: none;
    color: white;
    background-color: #3774ba;
    /* border: solid 2px #67c5ff; */
    border-radius: 3px;
    transition: 0.4s;
}

.btn-flat-border:hover {
    background: #72c8d5;
    color: white;
}

*,
*:before,
*:after {
    -webkit-box-sizing: inherit;
    box-sizing: inherit;
}

html {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    font-size: 62.5%;
}

.btn,
a.btn,
button.btn {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.5;
    position: relative;
    display: inline-block;
    padding: 1rem 4rem;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
    text-align: center;
    vertical-align: middle;
    text-decoration: none;
    letter-spacing: 0.1em;
    color: #212529;
    border-radius: 0.5rem;
}

a.btn-flat {
    overflow: hidden;
    padding: 1.5rem 1.5rem;
    /* 箱の中 */
    color: #fff;
    border-radius: 0;
    background: #284c9e;
}

a.btn-flat span {
    position: relative;
}

a.btn-flat:before {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    content: "";
    -webkit-transition: all 0.5s ease-in-out;
    transition: all 0.5s ease-in-out;
    -webkit-transform: translateX(-96%);
    transform: translateX(-96%);
    background: #72c8d5;
}

a.btn-flat:hover:before {
    -webkit-transform: translateX(0%);
    transform: translateX(0%);
}

/* 1006以降追記分 */
.atndgroups tr td {
    font-size: 1.1em;
    text-align: center;
    padding: 0.3em 1.5em;
}

.gu {
    background: rgba(55, 116, 186, 0.4);
}

.ki {
    background: rgba(114, 200, 213, 0.4);
}

.index-button1 {
    display: inline-block;
    width: 15%;
    height: 3em;
    margin-top: 1em;
    margin-left: 42.5%;
    margin-right: 42.5%;
    padding: 0.8em 1em;
    text-align: center;
    text-decoration: none;
    font-size: 1.8em;
    color: white;
    background-color: #3774ba;
    border-radius: 3px;
    transition: 0.4s;
    z-index: 100;
    position: relative;
}

.index-button1:hover {
    background: #72c8d5;
    color: white;
}

.taka-banner-area {
    width: 80%;
    margin-left: auto;
    margin-right: auto;
    margin-top: 5%;
    margin-bottom: 5%;
}

.taka-banner {
    z-index: 1;
    position: relative;
    display: inline-block;
    width: 45%;
    margin-right: 4%;
    /* cursor: pointer; */
    transition: 0.3s;
}

/* .taka-banner:hover {
    transform: scale(0.95);
    opacity: 0.8;
} */

.taka-banner-img {
    width: 100%;
}

.taka-banner-area .-banner:last-child {
    margin-right: 0;
}