@charset "utf-8";

*,*::before,*::after {
    box-sizing:border-box
}
* {
    margin: 0;
    padding: 0;
    line-height: calc(1em + 0.6rem);
}

html {
    scroll-behavior: smooth;
    font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
}

h1, h2, h3, h4, h5, h6,p {
    font-weight: normal;
    font-size: 1rem;
}

ul, ol, li {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    display: block;
    max-width: 100%;
}

table {
    border-collapse: collapse;
}

input, button, textarea, select {
    font: inherit;
}

.bold {
    font-weight: bold;
}

.txtColorRed {
    color: red;
}

.fontSizeLL {
    font-size: 150%;
}

.top_address {
    font-size: 90%;
}

.titleBar {
    background-color: #1d2088;
    border-left: #0068b7 solid 30px;
    color: #fff;
    padding-left: 5px;
    margin: 15px 0 10px 0;
}

.sTitle {
    font-size: 110%;
    font-weight: bold;
    border-bottom: solid #33f 3px ;
    margin: 10px 0 5px 40px;        
}

.smallTitle {
    font-weight: bold;
    margin: 0 0 20px 0;
    text-shadow: 2px 2px 2px #999;
    font-size: 90%;
}

.mainTxt {
    text-indent: 1em;
    margin: 0 0 10px 0;
}

.dlTitle {
    font-size: 120%;
    font-weight: bold;
    color: #666;
    margin: 15px 0 5px 0;
}

.ssTitle {
    border-left: #33f 10px solid;
    padding: 0 0 0 5px;
    margin: 0 0 10px 0;
}

.rightTxt {
    font-size: 90%;
    text-align: right;
    margin: 0 0 15px 0;
}

#HMS_Seminar dt {
    font-weight: bold;
    color :#1d2088;
}

#HMS_Seminar dd {
    margin: 0 0 0 1em;
}

.tarif {
    display: flex;
    justify-content: space-around;
    margin: 0 0 5px 0;
    text-align: center;
}

.mainTxt a, dl a {
    text-decoration: underline;
}

.prepaid {
    text-indent: 4em;
}

.iTitle {
    font-weight: bold;
    color: #33f;
    font-size: 120%;
}

.info {
    font-weight: bold;
    font-size: 1.7em;
    background-color: #dd4d59;
    color: white;
    padding: 3px 10px;
    margin: 20px 0 0 0;
}

.smallLetter {
    font-size: 0.7em;
    font-weight: normal;
}

footer {
    border-top: #1d2088 solid 2px;
}

.telNbr {
    width: 10em;
    height: 2em;
    padding: 0.3em 0.3em 0 0.3em;
    background-color: #0068b7;
    font-size: 200%;
    font-weight: bold;
    text-align: center;
    color: white;
    
}

#copyright {
    text-align: center;
}

#page-top {
    width: 45px;
    height: 45px;
    background-color: rgb(145, 145, 224);
    border-radius: 5px;
    font-size: 120%;
    font-weight: bold;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    right: 5px;
    bottom: 20px;
    opacity: 0.7;
}


@media screen and (max-width: 480px) {
    body {
        margin: 10px;
    }

    .pc {
        display: none;
    }

    img {
        width: 100vw;
        height: auto;    
    }

    .top_nav {
        background-color: #0068b7;
        color: #fff;
        width: 100%;
        position: fixed;
        top: 0px;
        right: 0px;
        transform: translateX(calc(100% + 5px));
        transition-duration: 0.3s;
    }

    .top_nav.open {
        transform: translateX(0%);
    }

    .top_nav li {
        height: 3em;
        text-align: center;
        padding-top: 1em;
    }

    .top_nav li a {
        display: block;
    }

    .top_nav li:hover {
        background: linear-gradient(#fff, #0068b7);
    }
    #nav_button {
        width: 44px;
        height: 44px;
        display: flex;
        flex-direction: column;
        justify-content: space-around;
        align-items: center;
        position: fixed;
        top: 5px;
        right: 5px;
    }
    
    .line {
        width: 36px;
        height: 3px;
        background-color: #0068b7;
        transition-duration: 0.3s;
    }

    #nav_button.on .line:nth-of-type(1){
        transform: rotate(45deg);
        translate: 0px 15px;
        transition-duration: 0.2s;
        background-color: #fff;
    }

    #nav_button.on .line:nth-of-type(2){
        transform: scale(0);
        transition-duration: 0.3s;
        background-color: #fff;
    }

    #nav_button.on .line:nth-of-type(3){
        transform: rotate(-45deg);
        translate: 0px -14px;
        transition-duration: 0.4s;
        background-color: #fff;
    }

    .sTitle {
        margin: 20px 0 5px 0;
    }

    .imageRight {
        margin: 0 0 10px 0;
    }


    .stuff {
        width: auto;
    }
    
    .dataList2 {
        display: flex;
        flex-direction: column;
        justify-content:space-between;
    }

    .center {
        text-align: center;
    }
    
    .dlTitle {
        border-bottom: 2px #33f solid;
        text-align: center;    
    }

    .iTitle {
        text-align: center;
    }

    .telNbr {
        margin: 5px auto 15px;
    }

    .smallLetter {
        display: block;
    }

    .footer-address div {
        margin: 20px 0 0 0;
    }

}

@media screen and (min-width: 481px) and (max-width: 899px) {
    body {
        padding: 10px;
        font-size: 1rem;
    }

    .sp {
        display: none;
    }

    .container {
        width: 100%;
    }
    h1 img {
        width: 30vw;
    }

    .header_items {
        display: flex;
        justify-content: space-between;
    }

    .top_nav {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-evenly;
        margin: 15px 0;
    }

    .top_nav li {
        width: 12em;
        text-align: center;
        border-right: 1px gray solid;
        padding: 5px 0;
        margin: 0 0 10px 0;
    }

    .sTitle {
        margin-left: 0;
    }

    .dlTitle {
        border-bottom: 1px #1d2088 dotted;
    }

    .center {
        margin : 0 0 0 80px;
    }

    .iTitle {
        text-align: center;
    }

    .coupon img{
        margin: 0 auto;
    }
    
    .logoImg {
        width: 30vw;
    }

    .footer-address {
        display: flex;
    }

    .footer-address div {
        margin: 20px 0 10px 40px;
    }

    .footer-items {
        display: flex;
        justify-content: space-between;
        margin: 20px 0 0 0; 
    }
}

@media screen and (min-width: 900px) {
    body {
        padding: 15px;
    }

    .sp {
       display: none; 
    }

    .container {
        width: 900px;
        margin: 0 auto;
    }

    h1 img {
        width: 30vw;
    }

    .header_items {
        display: flex;
        justify-content: space-between;
    }

    .top_nav {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-around;
        margin: 15px 0;
    }

    .top_nav li {
        width: 25%;
        text-align: center;
        border-right: 1px gray solid;
    }

    .top_nav li:last-of-type {
        border: none;
    }

    .txtCluster {
        width: 650px;
        margin: 10px 0 15px 40px;
    }

    .imageRight {
        float: right;
        margin: 10px;
    }

    .dlTitle::before {
        content: "▶";
    }

    #HMS_Seminar {
        width: 700px;
        margin: 0 0 0 40px;
    }

    #HMS_Seminar dt {
        width: 11em;
        border-top: solid black 1px;
        float: left;
        clear: both;
        padding: 3px;
        font-weight: bold;
        color: #1d2088;
    }

    #HMS_Seminar dd {
        margin: 0 0 0 11em;
        border-top: solid black 1px;
        padding: 3px;
    }

    .center {
        margin : 0 0 0 80px;
    }

    .logoImg {
        width: 25vw;
    }

    .footer-items {
        display: flex;
        justify-content: space-between;
        margin: 20px 0 0 0; 
    }

    .footer-address {
        display: flex;
    }

    .footer-address div {
        margin: 20px 0 10px 40px;
    }
}