@charset "utf-8";
@import url("https://fonts.googleapis.com/css?family=Noto+Sans+JP:400,700&display=swap");

/**
 * reset
 */
a,abbr,acronym,address,applet,article,aside,audio,b,big,blockquote,body,canvas,caption,cite,code,dd,del,details,dfn,div,dl,dt,em,embed,fieldset,figcaption,figure,footer,form,h1,h2,h3,h4,h5,h6,header,hgroup,html,i,iframe,img,ins,kbd,label,legend,li,mark,menu,nav,object,ol,output,p,pre,q,ruby,s,samp,section,small,span,strike,strong,sub,summary,sup,time,tt,ul,var,video{margin:0;padding:0;border:0;font-size:100%;font-family:inherit;vertical-align:baseline;box-sizing:border-box;}ul,ol,li{list-style:none;}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section,main,summary{display:block;}table,tbody,td,tfoot,th,thead,tr{margin:0;padding:0;border:0;font-size:100%;font-family:inherit;font-weight:normal;text-align:left;}table{border-collapse:collapse;border-spacing:0;}


/**
 * setting
 */
body {
    line-height: 26px;
	color: #303030;
	font-family: 'Noto Sans JP', sans-serif;
    font-size: 16px;
    font-weight: 400;
}
@media only screen and (max-width: 768px) {
    body {
        line-height: 24px;
        font-size: 14px;
    }
}

body.open-menu {
    overflow: hidden;
}

* {
	box-sizing: border-box;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    color: #303030;
	text-decoration: none;
}
@media only screen and (min-width: 769px) {
    a,
    button {
        transition: opacity .3s ease;
    }
    
    a:hover,
    button:hover {
        opacity: .7;
    }
}

p + p {
    margin-top: 1.75em;
}

.cf::after {
    content: "";
    clear: both;
    display: block;
    height: 0;
}

@media only screen and (max-width: 768px) {
    .pc {
        display: none !important;
    }
}

@media only screen and (min-width: 769px) {
    .sp {
        display: none !important;
    }
}


/**
 * form
 */
*::input-placeholder { color: #cecece; }
*::-webkit-input-placeholder { color: #cecece; }
*:-ms-input-placeholder { color: #cecece; }
*::-moz-placeholder { color: #cecece; }

input[type='text'],
textarea,
select {
    font: inherit;
    background-color: #fff;
    border: 1px solid #999;
    border-radius: 10px;
    box-sizing: border-box;
    padding: 10px 18px;
    transition: all .3s;
    outline: none;
}
@media only screen and (max-width: 768px) {
    input[type='text'],
    textarea,
    select {
        border-radius: 5px;
    }
}

select {
    line-height: 20px;
    -moz-appearance: none;
    -webkit-appearance: none;
    appearance: none;
    background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAHCAYAAAAxrNxjAAAAbklEQVQYlW3PUQ2AMAyE4X8SsIAWNCCBSgAJWDgLYGESsICGWSBd6LKH3cOWLF8vHRFJE4NImv01+SHpAhZgNbPcDe/ACVj6m17A7xK4Q54cjV7/dPgGtkA+XOEARyoys9LgADfUPjPAvt8RCOADVjgsY36HzUYAAAAASUVORK5CYII=);
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 10px auto;
    padding: 8px 30px 7px 8px;
}

/* for IE10 */
select::-ms-expand {
    display: none;
}


/**
 * btn
 */
.btn {
    display: block;
    width: 220px;
    height: 60px;
    line-height: 60px;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    text-align: center;
    background-color: #4257b2;
    border: none;
    border-radius: 10px;
    box-shadow: 1px 1px 2px rgba(0, 0, 0, .4);
    margin: 40px auto 0;
    cursor: pointer;
    outline: none;
}
@media only screen and (max-width: 768px) {
    .btn {
        width: 205px;
        font-size: 18px;
        border-radius: 5px;
        margin-top: 30px;
    }
}


/**
 * layout
 */
.wrap {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 80px 20px;
}
@media only screen and (max-width: 768px) {
    .wrap {
        width: auto;
        margin: 0 20px;
        padding: 60px 0;
    }
}


.link-box a {
    display: inline-block;
    color: #192e86;
    font-size: 14px;
    font-weight: 700;
}

.link-box a.prev::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 10px;
    background: url(../img/prev-arrow.png) left center / 6px auto no-repeat;
    margin-right: 8px;
}


/**
 * g-header
 */
.g-header {
	position: fixed;
    width: 100%;
	background: #192e86;
	box-shadow: 0 0 10px 1px rgba(0, 1, 1, 0.4);
	top: 0;
	left: 0;
	right: 0;
	z-index: 1000;
}
@media only screen and (max-width: 768px) {
    .g-header {
        box-shadow: 0px 0px 4.8px 3.2px rgba(0, 1, 1, 0.4);
    }
}

.g-header .wrap {
    display: -webkit-box;
    display: flex;
    -webkit-box-pack: justify;
    justify-content: space-between;
    -webkit-box-align: center;
    align-items: center;
    height: 80px;
	color: #fff;
    font-weight: 700;
    padding: 0 20px;
}
@media only screen and (max-width: 768px) {
    .g-header .wrap {
        height: 60px;
        padding: 0;
    }
}

.g-header a {
    color: #fff;
}

.g-header .ttl {
    display: block;
    width: 310px;
    line-height: 1;
    font-size: 21px;
}
@media only screen and (max-width: 768px) {
    .g-header .ttl {
        width: 222px;
    }
}

.g-header .menu-btn {
    display: block;
    width: 44px;
    height: 44px;
    font-size: 10px;
    background: url(../img/menu-icon.png) center 1px / 31.5px auto no-repeat;
    padding-top: 25px;
}


/**
 * g-nav
 */
.g-nav {
    position: fixed;
    background: rgba(0, 0, 0, .8);
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    transition: .3s ease;
    overflow: auto;
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
}

.open-menu .g-nav {
    opacity: 1;
    visibility: visible;
}

.g-nav .inner {
    position: absolute;
    width: 100%;
    max-width: 335px;
    height: 100%;
    background: #fff;
    top: 0;
    right: 0;
    transition: .3s ease;
    -webkit-transform: translateX(100%);
    transform: translateX(100%);
    padding-top: 70px;
}

.open-menu .g-nav .inner {
    -webkit-transform: none;
    transform: none;
}

.g-nav .menu-close-btn {
    position: fixed;
    width: 35px;
    color: #192e86;
    font-size: 10px;
    font-weight: 700;
    text-align: center;
    background: url(../img/menu-close.png) center top / 19.5px auto no-repeat;
    top: 11px;
    right: 24px;
    padding-top: 21px;
}

.g-nav .user {
    display: -webkit-box;
    display: flex;
    -webkit-box-pack: start;
    justify-content: flex-start;
    -webkit-box-align: center;
    align-items: center;
    padding: 0 20px;
}

.g-nav .user .thumb {
    width: 34px;
    height: 34px;
    background: url(../img/user-thumb.png) center center / 34px auto no-repeat;
    border-radius: 50%;
}

.g-nav .user .name {
    -webkit-box-flex: 1;
    flex: 1 0;
    font-size: 17.5px;
    padding-left: 10px;
}

.g-nav .lesson-list {
    margin-top: 20px;
}

.g-nav .lesson-list dt {
    color: #303030;
    height: 20px;
    line-height: 20px;
    font-size: 14px;
    font-weight: 400;
    text-align: center;
    background: #cecece;
    padding: 0;
}

.g-nav .lesson-list:last-of-type dd:last-of-type .box {
    border-bottom: 1px solid #cecece;
}

.g-nav .lesson-list .box {
    display: block;
    padding: 14px 30px 10px 20px;
}

.g-nav .lesson-list .course,
.g-nav .lesson-list .ttl {
    color: #192e86;
    font-weight: 700;
    margin: 0;
}

.g-nav .lesson-list .course {
    font-size: 12px;
}

.g-nav .lesson-list .ttl {
    font-size: 17.5px;
}

.g-nav .lesson-list .progress {
    color: #999;
    font-size: 10px;
    margin: 0;
}

.g-nav .lesson-list .progress .per {
    color: #303030;
    font-size: 14px;
    font-weight: 700;
}

.g-nav .links {
    margin-top: 40px;
}

.g-nav .links a {
    display: block;
    color: #999999;
    padding: 10px 20px;
}

.g-nav .links a::before {
    content: '〉';
}


/**
 * g-footer
 */
.g-footer {
	display: block;
    font-size: 14px;
    text-align: center;
    padding: 68px 0 20px;
}
@media only screen and (max-width: 768px) {
    .g-footer {
        font-size: 12px;
    }
}

.g-footer .page-top {
    position: fixed;
    display: block;
    width: 45px;
    height: 45px;
    line-height: 1;
    color: #fff;
    font-size: 10px;
    background: #999 url(../img/page-top.png) center 7px / 15.5px auto no-repeat;
    border-radius: 50%;
    right: 20px;
    bottom: 48px;
    padding-top: 28px;
    z-index: 100;
}


/**
 * g-container
 */
.g-container {
    width: 100%;
    max-width: 1080px;
    margin: 0 auto;
    padding-top: 80px;
}
@media only screen and (max-width: 768px) {
    .g-container {
        padding-top: 60px;
    }
}


/**
 * header-box
 */
.header-box {
    padding: 34px 20px;
}
@media only screen and (max-width: 768px) {
    .header-box {
        padding: 34px 20px 20px;
    }
}

.header-box .ttl {
    line-height: 31px;
    color: #192e86;
    font-size: 21px;
    font-weight: 700;
}

.header-box .link-box {
    display: -webkit-box;
    display: flex;
    -webkit-box-pack: justify;
    justify-content: space-between;
    -webkit-box-align: center;
    align-items: center;
    padding: 0 0 13px;
}


/**
 * progress-box
 */
.progress-box {
}

.progress-box .l-txt,
.progress-box .r-txt {
    font-weight: 700;
    margin: 0;
}

.progress-box .l-txt {
    float: left;
    font-size: 12px;
}

.progress-box .r-txt {
    float: right;
}

.progress-box .bar {
    clear: both;
    display: -webkit-box;
    display: flex;
    -webkit-box-pack: start;
    justify-content: flex-start;
    -webkit-box-align: stretch;
    align-items: stretch;
    width: 100%;
    height: 21px;
    border-radius: 50px;
    padding-top: 1px;
    overflow: hidden;
}

.progress-box .bar li {
    width: 10%;
    background: #cecece;
}

.progress-box .bar li.on {
    background: #ffba01;
}

.progress-box .bar li:not(:last-child) {
    border-right: 1px solid #fff;
}


/**
 * lesson-list
 */
.lesson-list {
    padding: 0 20px;
}
@media only screen and (max-width: 768px) {
    .lesson-list {
        padding: 0;
    }
}

.lesson-list dt {
    height: 30px;
    color: #192e86;
    font-size: 17.5px;
    font-weight: 700;
    background: #c9d4ff;
    padding: 4px 20px 0;
}

.lesson-list .box {
    display: -webkit-box;
    display: flex;
    -webkit-box-pack: justify;
    justify-content: space-between;
    -webkit-box-align: start;
    align-items: flex-start;
    padding: 30px 0;
}
@media only screen and (max-width: 768px) {
    .lesson-list .box {
        padding: 20px 20px 14px;
    }
}

.lesson-list dd:nth-of-type(n+2) .box {
    border-top: 1px dashed #999;
}

.lesson-list:last-of-type dd:last-of-type .box {
    border-bottom: 1px dashed #999;
}

.lesson-list a.box {
    position: relative;
    color: #303030;
}

.lesson-list a.box::after {
    position: absolute;
    content: '';
    width: 8px;
    height: 11px;
    background: url(../img/list-arrow.png) center center / 7.5px auto no-repeat;
    top: 50%;
    right: 20px;
    -webkit-transform: translateY(-50%);
    transform: translateY(-50%);
}

.lesson-list .box .thumb {
    position: relative;
    width: 35.82089%;
    max-width: 240px;
    text-align: center;
}

.lesson-list .box.comp .thumb::before,
.lesson-list .box.wait .thumb::before {
    position: absolute;
    content: '';
    display: block;
    width: 64px;
    height: 64px;
    top: 0;
    left: 0;
    z-index: 1;
}
@media only screen and (max-width: 768px) {
    .lesson-list .box.comp .thumb::before,
    .lesson-list .box.wait .thumb::before {
        width: 50px;
        height: 50px;
    }
}

.lesson-list .box.comp .thumb::before {
    background: url(../img/lesson-comp.png) left top / 100% auto no-repeat;
}

.lesson-list .box.wait .thumb::before {
    background: url(../img/lesson-wait.png) left top / 100% auto no-repeat;
}

.lesson-list .box .thumb .img {
    display: block;
}

.lesson-list .box .thumb p {
    position: absolute;
    line-height: 1;
    color: #fff;
    font-weight: 700;
    left: 50%;
    -webkit-transform: translateX(-50%);
    transform: translateX(-50%);
}

.lesson-list .box .thumb .number {
    display: inline-block;
    font-size: 18px;
    border-top: 1px solid #fff;
    border-bottom: 1px solid #fff;
    top: 30%;
    padding: 6px 0;
}
@media only screen and (max-width: 768px) {
    .lesson-list .box .thumb .number {
        font-size: 14px;
        top: 23%;
        padding: 3px 0;
    }
}

.lesson-list .box .thumb .type {
    width: 83.33333%;
    height: 20px;
    line-height: 20px;
    font-size: 14px;
    background: #6eb92b;
    top: 48%;
}
@media only screen and (max-width: 768px) {
    .lesson-list .box .thumb .type {
        top: 37%;
    }
}

.lesson-list.st2 .box .thumb .type {
    background: #ac3ae7;
}

.lesson-list.st3 .box .thumb .type {
    background: #db3372;
}

.lesson-list .box .meta {
    -webkit-box-flex: 1;
    flex: 1 0;
    padding: 0 30px 0 24px;
}
@media only screen and (max-width: 768px) {
    .lesson-list .box .meta {
        padding: 0 30px 0 10px;
    }
}

.lesson-list .box .meta .date {
    line-height: 1;
    color: #999;
    font-size: 14px;
}
@media only screen and (max-width: 768px) {
    .lesson-list .box .meta .date {
        font-size: 12px;
    }
}

.lesson-list .box .meta .date .new {
    color: #c6371e;
    font-weight: 700;
    background: url(../img/lesson-new.png) left center / 12px auto no-repeat;
    margin-left: 10px;
    padding-left: 14px;
}

.lesson-list .box .meta .ttl {
    font-size: 18px;
    font-weight: 700;
    margin-top: 10px;
}
@media only screen and (max-width: 768px) {
    .lesson-list .box .meta .ttl {
        font-size: 14px;
        margin-top: 2px;
    }
}

.lesson-list .box .meta .tag {
    font-size: 14px;
    background: url(../img/lesson-tag.png) left center / auto 14px no-repeat;
    padding-left: 20px;
    margin-top: 5px;
}
@media only screen and (max-width: 768px) {
    .lesson-list .box .meta .tag {
        font-size: 12px;
        background: url(../img/lesson-tag.png) left center / 11px auto no-repeat;
        padding-left: 16px;
        margin-top: 0;
    }
}


/**
 * lesson-top
 */
.lesson-top .header-box .course {
    display: inline-block;
    height: 27px;
    line-height: 25px;
    color: #192e86;
    border: 1px solid #192e86;
    border-radius: 50px;
    margin-top: 15px;
    padding: 0 9px;
}

.lesson-top .header-box .progress-box {
    margin-top: 10px;
}


/**
 * lesson-details
 */
.lesson-details {
}

.lesson-details .meta-box {
    padding: 0 20px;
}

.lesson-details .meta-box p {
    display: inline-block;
    font-weight: 700;
    margin: 0;
}

.lesson-details .meta-box .stage {
    color: #192e86;
    height: 24px;
    line-height: 24px;
    font-size: 14px;
    text-align: center;
    background: #c9d4ff;
    border-radius: 50px;
    padding: 0 14px;
}
@media only screen and (max-width: 768px) {
    .lesson-details .meta-box .stage {
        height: 20.5px;
        line-height: 20.5px;
        font-size: 12px;
    }
}

.lesson-details .meta-box .info {
    line-height: 14px;
    color: #c43827;
    font-size: 14px;
    text-decoration: underline;
    background: url(../img/info-icon.png) left top / 14px auto no-repeat;
    margin-left: 16px;
    padding-left: 20px;
}
@media only screen and (max-width: 768px) {
    .lesson-details .meta-box .info {
        font-size: 12px;
    }
}

.lesson-details .meta-box .ttl {
    display: block;
    line-height: 31px;
    font-size: 28px;
    margin-top: 16px;
}
@media only screen and (max-width: 768px) {
    .lesson-details .meta-box .ttl {
        font-size: 21px;
        margin-top: 2px;
    }
}

.lesson-details .meta-box .date {
    color: #999;
    font-size: 14px;
    font-weight: 400;
    margin-top: 10px;
}
@media only screen and (max-width: 768px) {
    .lesson-details .meta-box .date {
        font-size: 12px;
        margin-top: 0;
    }
}

.lesson-details .meta-box .tag {
    font-size: 14px;
    font-weight: 400;
    background: url(../img/lesson-tag.png) left center / 12.5px auto no-repeat;
    margin-left: 18px;
    padding-left: 14px;
}
@media only screen and (max-width: 768px) {
    .lesson-details .meta-box .tag {
        font-size: 12px;
    }
}


.lesson-details .goal-box {
    max-width: 640px;
    color: #192e86;
    border: 1px solid #192e86;
    margin: 35px auto 0;
    padding: 16px 20px 14px;
}
@media only screen and (max-width: 768px) {
    .lesson-details .goal-box {
        margin: 35px 20px 0;
    }
}

.lesson-details .goal-box .ttl {
    font-size: 17.5px;
    font-weight: 700;
    text-align: center;
}

.lesson-details .goal-box .ttl::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 18px;
    background: url(../img/goal-icon.png) center center / 20px auto no-repeat;
    margin-right: 8px;
}

.lesson-details .goal-box .txt {
    margin-top: 2px;
}


.lesson-details .step-list {
    margin-top: 41px;
}

.lesson-details .step-list li {
    padding: 0 20px 32px;
}

.lesson-details .step-list li:nth-child(n+2) {
    border-top: 1px dashed #999;
    padding-top: 40px;
}

.lesson-details .step-list li:last-child {
    border-bottom: 1px dashed #999;
}

.lesson-details .step-list .step {
    position: relative;
    line-height: 1.5;
    color: #192e86;
    font-size: 17.5px;
    font-weight: 700;
    margin-bottom: 22px;
    padding-left: 92px;
}

.lesson-details .step-list .step span {
    position: absolute;
    display: inline-block;
    color: #fff;
    width: 83px;
    height: 27px;
    line-height: 27px;
    font-size: 21px;
    text-align: center;
    background: #192e86;
    top: 0;
    left: 0;
}

.lesson-details .step-list .movie {
    position: relative;
    max-width: 640px;
    margin: 0 auto;
}

.lesson-details .step-list .movie::before {
    content: '';
    display: block;
    padding-top: 66.71641%;
}

.lesson-details .step-list .movie img,
.lesson-details .step-list .movie iframe {
    position: absolute;
    display: block;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.lesson-details .step-list .point {
    margin: 15px 20px 0;
}

.lesson-details .step-list .point .ttl {
    display: block;
    color: #c43827;
    font-size: 17.5px;
    font-weight: 700;
    background: url(../img/point-icon.png) left center / 12px auto no-repeat;
    padding-left: 20px;
}

.lesson-details .step-list .btn-area .btn {
    width: auto;
    max-width: 640px;
    margin: 0 aauto 0;
}
@media only screen and (max-width: 768px) {
    .lesson-details .step-list .btn-area .btn {
        margin: 0 20px 0;
    }
}

.lesson-details .step-list .btn-area .btn.yellow {
    background: #ffba01;
}

.lesson-details .step-list .btn-area .btn.green {
    background: #1bb71f;
}

.lesson-details .step-list .btn-area .btn:nth-of-type(n+2) {
    margin-top: 10px;
}

.lesson-details .step-list .btn-area .btn .line {
    display: inline-block;
    width: 30px;
    height: 30px;
    background: url(../img/line-icon.png) left center / 30px auto no-repeat;
    vertical-align: text-top;
    margin-right: 8px;
}

.lesson-details .step-list .more-link {
    text-align: right;
    color: #192e86;
    font-weight: 700;
    margin: 8px 10px 0;
}

.lesson-details .content-bottom {
    padding: 34px 20px 18px;
}