/*! normalize.css v7.0.0 | MIT License | github.com/necolas/normalize.css */
button,hr,input {
    overflow: visible
}

audio,canvas,progress,video {
    display: inline-block
}

progress,sub,sup {
    vertical-align: baseline
}

[type=checkbox],[type=radio],legend {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    padding: 0
}

html {
    line-height: 1.15;
    -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%
}

body {
    margin: 0
}

article,aside,details,figcaption,figure,footer,header,main,menu,nav,section {
    display: block
}

h1 {
    font-size: 2em;
    margin: .67em 0
}

figure {
    margin: 1em 40px
}

hr {
    -webkit-box-sizing: content-box;
    box-sizing: content-box;
    height: 0
}

code,kbd,pre,samp {
    font-family: monospace,monospace;
    font-size: 1em
}

a {
    background-color: transparent;
    -webkit-text-decoration-skip: objects
}

abbr[title] {
    -webkit-text-decoration: underline dotted;
    text-decoration: underline dotted;
    border-bottom: none
}

b,strong {
    font-weight: bolder
}

dfn {
    font-style: italic
}

mark {
    color: #000;
    background-color: #ff0
}

small {
    font-size: 80%
}

sub,sup {
    font-size: 75%;
    line-height: 0;
    position: relative
}

sub {
    bottom: -.25em
}

sup {
    top: -.5em
}

audio:not([controls]) {
    display: none;
    height: 0
}

img {
    border-style: none
}

svg:not(:root) {
    overflow: hidden
}

button,input,optgroup,select,textarea {
    font-family: sans-serif;
    font-size: 100%;
    line-height: 1.15;
    margin: 0
}

button,select {
    text-transform: none
}

[type=reset],[type=submit],button,html [type=button] {
    -webkit-appearance: button
}

[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner,button::-moz-focus-inner {
    padding: 0;
    border-style: none
}

[type=button]:-moz-focusring,[type=reset]:-moz-focusring,[type=submit]:-moz-focusring,button:-moz-focusring {
    outline: ButtonText dotted 1px
}

fieldset {
    padding: .35em .75em .625em
}

legend {
    display: table;
    max-width: 100%;
    white-space: normal;
    color: inherit
}

textarea {
    overflow: auto
}

[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button {
    height: auto
}

[type=search] {
    outline-offset: -2px;
    -webkit-appearance: textfield
}

[type=search]::-webkit-search-cancel-button,[type=search]::-webkit-search-decoration {
    -webkit-appearance: none
}

::-webkit-file-upload-button {
    font: inherit;
    -webkit-appearance: button
}

summary {
    display: list-item
}

[hidden],template {
    display: none
}
/*! nol Adjustment */
div#nol_footer div.nol_table div ul.nol_link:after {
    content: ''!important
}

#nol_cmn_header {
    position: relative;
    z-index: 2500
}

#nol_cmn_footer,#nol_cmn_header {
    direction: ltr!important
}

:lang(ar) #nol_cmn_footer,:lang(fa) #nol_cmn_footer,[dir=rtl] #nol_cmn_footer {
    position: relative;
    overflow: auto
}

:lang(ar) #nol_cmn_footer .nol_footer_A,:lang(fa) #nol_cmn_footer .nol_footer_A,[dir=rtl] #nol_cmn_footer .nol_footer_A {
    overflow: hidden
}

body {
    font: 16px/1.4 Arial,Verdana,sans-serif
}

body,html {
    height: 100%;
    background: #666;
    scroll-behavior: smooth;
    -ms-scroll-chaining: none;
    overscroll-behavior: none
}

h1,h2,h3,h4,h5,h6 {
    margin: 0 auto 1em
}

table,td,th {
    min-width: 60px;
    border-collapse: collapse;
    text-align: center;
    border: 1px solid
}

ul {
    margin: 0
}

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

a {
    text-decoration: underline;
    color: #2769f6
}

a,div,li,ol,p,span,ul {
    -webkit-box-sizing: border-box;
    box-sizing: border-box
}

[data-fullscreen=true] {
    background-color: #000
}

.wbr {
    display: inline-block
}

#main {
    padding-bottom: 80px
}

#btn-top,#main>p.attention {
    max-width: 650px;
    margin: 0 auto 30px
}

#main>p.attention {
    font-size: .9201041758677999em;
    text-align: center
}

#wrapper {
    position: relative;
    background: #fff
}

.mod-wrap {
    max-width: 905px;
    margin: 0 auto;
    padding: .938em
}

.cWrap {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    max-width: 800px;
    margin-right: auto;
    margin-left: auto;
    padding: 1px 15px
}

.sns {
    position: relative;
    z-index: 10;
    max-width: 650px;
    margin: auto;
    direction: ltr!important
}

.sns .nhksns-help {
    margin: 0 4px
}

.sns .nhksns a {
    display: block
}

.center,.sns {
    text-align: center
}

.left {
    text-align: left
}

.right {
    text-align: right
}

.logoType {
    position: relative;
    display: block
}

.logoType span {
    display: block;
    overflow: hidden;
    height: 0;
    background: no-repeat center top;
    background-size: contain
}

#btn-top {
    z-index: 10;
    visibility: hidden;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    padding: 0 15px;
    opacity: 0
}

#btn-top.fix {
    position: fixed;
    bottom: 60px
}

#btn-top.show {
    visibility: visible;
    opacity: 1
}

#btn-top [role=button] {
    font-size: 1.125em;
    line-height: 45px;
    display: block;
    overflow: hidden;
    height: 0;
    padding-top: 45px;
    text-align: center;
    text-decoration: none;
    color: #fff;
    border-radius: 10px;
    background: #000 url(data:image/png;base64,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) no-repeat center;
    background-size: 23px
}

#btn-top.fix {
    right: 18px;
    padding: 0
}

:lang(ar) #btn-top.fix,:lang(fa) #btn-top.fix,[dir=rtl] #btn-top.fix {
    right: auto;
    left: 18px
}

#btn-top.fix [role=button] {
    width: 59px;
    margin: 0 0 0 auto;
    padding-top: 59px;
    outline: 0;
    background-color: inherit;
    background-size: 23px
}

:lang(ar) #btn-top.fix [role=button],:lang(fa) #btn-top.fix [role=button],[dir=rtl] #btn-top.fix [role=button] {
    margin: 0 auto 0 0
}

#btn-top.fix [role=button]:before {
    position: absolute;
    z-index: -1;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 59px;
    padding-top: 59px;
    content: '';
    -webkit-animation: spin 8s linear infinite;
    animation: spin 8s linear infinite;
    background-image: url(data:image/png;base64,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);
    background-size: 59px
}
/*! Robocon TOP 2018 */
@-webkit-keyframes spin {
    0% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg)
    }

    to {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg)
    }
}

@-webkit-keyframes fade-in {
    0%,90% {
        opacity: 0
    }

    to {
        opacity: 1
    }
}

@keyframes spin {
    0% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg)
    }

    to {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg)
    }
}

@keyframes fade-in {
    0%,90% {
        opacity: 0
    }

    to {
        opacity: 1
    }
}

.logoType span,span[class*=wave-] {
    overflow: hidden;
    height: 0;
    background-size: contain
}

span[class*=wave-] {
    position: relative;
    top: -.1em;
    width: 2em;
    margin-right: .5em;
    padding-top: 1em;
    vertical-align: text-bottom;
    background-repeat: no-repeat;
    background-position: center;
    display: inline-block
}

span[class*=wave-].wave-bs4k {
    background-image: url(../images/ico_wave_bs4k.png)
}

span[class*=wave-].wave-bs4k:after {
    content: 'BS4K'
}

span[class*=wave-].wave-bs1 {
    background-image: url(../images/ico_wave_bs1.png)
}

span[class*=wave-].wave-bs1:after {
    content: 'BS1'
}

span[class*=wave-].wave-gtv {
    background-image: url(../images/ico_wave_gtv.png)
}

span[class*=wave-].wave-gtv:after {
    content: 'NHK総合'
}

span[class*=wave-].wave-etv {
    background-image: url(../images/ico_wave_etv.png)
}

span[class*=wave-].wave-etv:after {
    content: 'Eテレ'
}

.logoType {
    position: relative;
    display: block
}

.logoType span {
    display: block;
    background: no-repeat center top
}

.logoType[data-type=高専ロボコン2019] {
    max-width: 596px
}

.logoType[data-type=高専ロボコン2019] span {
    padding-top: 10.40268%;
    background-image: url(../images/logo-kosen-2019.png)
}

#header {
    padding-top: .5em;
    padding-bottom: .5em;
    background-color: #000;
    background-image: url(../images/bg_2019_gakusei_header.png);
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover
}

#header .mod-banner-box {
    display: -ms-grid;
    display: grid;
    grid-template-areas: 'bnr-2' '.' 'bnr-1';
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
    -ms-grid-rows: 1fr 10px 1fr;
    grid-template-rows: 1fr 10px 1fr
}

#header .mod-banner-box [class*=bnr-]:nth-child(1) {
    -ms-grid-row: 3;
    -ms-grid-column: 1;
    grid-area: bnr-1
}

#header .mod-banner-box [class*=bnr-]:nth-child(2) {
    -ms-grid-row: 1;
    -ms-grid-column: 1;
    grid-area: bnr-2
}

#header [class*=bnr-] {
    position: relative;
    margin-bottom: 0
}

#header [class*=bnr-] a,#header [class*=bnr-] span {
    display: block;
    height: auto;
    background: #fff no-repeat center;
    background-size: contain
}

#header [class*=bnr-abu],#header [class*=bnr-cheer],#header [class*=bnr-gakusei],#header [class*=bnr-kosen] {
    width: 98%;
    margin: auto
}

#header [class*=bnr-gakusei] a,#header [class*=bnr-gakusei] span {
    padding: 4%;
    border: #7ea4f5 solid 3px
}

#header [class*=bnr-abu] img,#header [class*=bnr-cheer] img,#header [class*=bnr-gakusei] img {
    width: 100%;
    max-width: 100%;
    height: auto;
    vertical-align: top
}

#header [class*=bnr-abu] img,#header [class*=bnr-gakusei].bnr-gakusei-2019-4 img {
    display: none
}

#header [class*=bnr-cheer] a,#header [class*=bnr-cheer] span {
    background: 0 0
}

#header [class*=bnr-abu] figure,#header [class*=bnr-kosen] figure {
    position: relative;
    display: inline-block;
    margin: auto
}

#header [class*=bnr-abu] figure figcaption,#header [class*=bnr-kosen] figure figcaption {
    position: absolute;
    z-index: -1;
    top: 0;
    overflow: hidden;
    text-indent: -9999em
}

#header [class*=bnr-abu] a,#header [class*=bnr-gakusei].bnr-gakusei-2019-4 a,#header [class*=bnr-kosen] a {
    padding: 0;
    border: 0;
    background: 0 0
}

#header [class*=bnr-kosen] img {
    width: 100%;
    max-width: 100%;
    height: auto;
    vertical-align: top;
    display: none
}

#main,#main .contentsList li a .txt {
    background-repeat: no-repeat;
    background-position: center
}

#main {
    font-size: 13px;
    background-image: url(../images/bg_body.png);
    padding-top: .5em;
    background-size: cover
}

#main .mod-related {
    font-size: 1.385em;
    max-width: 1100px;
    margin: 0 auto;
    padding: 1em
}

#main .mod-related h3 {
    font-size: 1.722em;
    max-width: 9.613em;
    height: 1em;
    margin: 0 0 .3em;
    text-align: left
}

#main .mod-category h3 a,#main .mod-related h3 a {
    display: block
}

#main .mod-related .section {
    margin-bottom: 2em
}

#main .mod-related h4 {
    font-size: 1.056em;
    margin-bottom: .75em;
    padding: .25em .3em
}

#main .mod-related h5 {
    font-size: 1em;
    margin-bottom: .5em
}

#main .mod-related[data-type=kosen] h4 {
    color: #fff;
    background-color: #0fcf85
}

#main .mod-related dl.dl-type-1,#main .mod-related dl.dl-type-2 {
    margin: 0 0 1em
}

#main .mod-related dl.dl-type-1 dd,#main .mod-related dl.dl-type-1 dd p {
    margin: 0
}

#main .mod-related dl.dl-type-2 dt {
    margin-bottom: .25em
}

#main .mod-related dl.dl-type-2 dd {
    margin: 0 0 1em .5em
}

#main .mod-related dl.dl-type-3 {
    margin: 0 auto 1em
}

#main .mod-related dl.dl-type-3>div {
    display: table-row
}

#main .mod-related dl.dl-type-3 dd,#main .mod-related dl.dl-type-3 dt {
    padding-bottom: .1em;
    vertical-align: middle
}

#main .mod-related dl.dl-type-3 dd {
    position: relative;
    margin: 0 0 1em;
    padding-left: .5em
}

#main .mod-related dl.dl-type-3 ul {
    padding: 0;
    list-style: none
}

#main .mod-related dl.dl-type-3 .attention {
    font-size: .75em;
    display: block
}

#main .mod-related dl.dl-type-3 [class^=ttl-] {
    font-size: .688em;
    font-weight: 400;
    display: block;
    margin-top: .3em
}

#main .mod-related dl.dl-type-3 [class^=ttl-] em {
    font-size: 1.413em;
    font-style: normal
}

#main .mod-related dl.dl-type-3 .ttl-1 {
    font-size: .813em
}

#main .mod-related dl.dl-type-3 .small {
    font-size: .875em
}

#main .mod-related dl.dl-type-3.dl-type-3-2 .attention {
    margin-left: 3.5em
}

#main .mod-categories {
    max-width: 1100px;
    margin: 0 auto 2em;
    padding: 1em;
    letter-spacing: -.4em
}

#main .mod-categories>* {
    letter-spacing: 0
}

#main .mod-category {
    width: 100%;
    margin: 0 auto 1em;
    padding: 14px;
    border: 1px solid #ccc;
    border-radius: 10px;
    background: #fff
}

#main .mod-category h3 {
    font-size: 1.5em;
    height: 1em;
    margin-bottom: 1.5em
}

#main .mod-category .attention {
    font-size: 10px;
    display: block;
    text-align: right
}

#main .mod-category[data-type=NHK学生ロボコン] h3 {
    max-width: 12em
}

#main .mod-category[data-type=ABUロボコン] h3 {
    max-width: 9.45em
}

#main .mod-category[data-type=高専ロボコン] h3 {
    max-width: 8.75em
}

#main .contentsList ul {
    max-width: 200px;
    margin: 0 auto;
    padding: 0
}

#main .contentsList li {
    margin: 0 auto 1em;
    list-style: none
}

#main .contentsList li a {
    position: relative;
    z-index: 1;
    display: block;
    margin-bottom: 6px
}

#main .contentsList li a .txt {
    position: relative;
    z-index: 3;
    top: 0;
    left: 0;
    display: block;
    overflow: hidden;
    height: 0;
    padding-top: 40px;
    -webkit-transition-duration: .1s;
    transition-duration: .1s;
    border: 2px solid;
    border-radius: 8px;
    background-color: #fff;
    background-size: contain
}

#main .contentsList li a:before {
    position: absolute;
    z-index: 1;
    top: 4px;
    left: 4px;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    width: 100%;
    height: 100%;
    content: '';
    border: 2px solid;
    border-radius: 8px;
    background-color: #fff;
    background-size: 5px auto
}

#main .contentsList li a:focus .txt,#main .contentsList li a:hover .txt {
    top: 2px;
    left: 2px
}

#main .contentsList li.btn-rule a {
    color: #f60
}

#main .contentsList li.btn-rule a .txt {
    background-image: url(../images/btn-rule.png)
}

#main .contentsList li.btn-rule a:before {
    background-image: url(../images/bg-btn-rule.png)
}

#main .contentsList li.btn-record a {
    color: #0077d0
}

#main .contentsList li.btn-record a .txt {
    background-image: url(../images/btn-record.png)
}

#main .contentsList li.btn-record a:before {
    background-image: url(../images/bg-btn-record.png)
}

#main .contentsList li.btn-movie a {
    color: #e0317f
}

#main .contentsList li.btn-movie a .txt {
    background-image: url(../images/btn-movie.png)
}

#main .contentsList li.btn-movie a:before {
    background-image: url(../images/bg-btn-movie.png)
}

#main .contentsList li.btn-result a {
    color: #a26dcb
}

#main .contentsList li.btn-result a .txt {
    background-image: url(../images/btn-result.png)
}

#main .contentsList li.btn-result a:before {
    background-image: url(../images/bg-btn-result.png)
}

#main .mod-widget,#main .mod-widget .mod-widget-wrap {
    position: relative;
    -webkit-box-sizing: border-box;
    box-sizing: border-box
}

#main .mod-widget {
    max-width: 698px;
    margin: 0 auto 1.5em;
    border: 3px dashed
}

#main .mod-widget .mod-widget-wrap {
    font-size: 1em;
    z-index: 1;
    padding: .938em .938em 1px;
    background: #fff
}

#main .mod-widget h2 {
    position: relative;
    margin: 0 auto 1em;
    text-align: center
}

#main .mod-widget .mod-info h3 {
    margin-left: 0
}

#main .mod-widget .mod-info ul {
    margin-bottom: 2em;
    padding: 0;
    list-style: none
}

#main .mod-widget .mod-info li {
    margin-bottom: .5em;
    padding-left: 1em;
    background: no-repeat .3em .2em;
    background-size: auto .6em
}

#main .mod-widget .mod-info li a {
    font-weight: 700;
    text-decoration: none;
    color: inherit
}

#main .mod-widget .mod-info li .attention {
    font-size: .769em
}

#main .mod-widget .mod-info[data-type=NHK学生ロボコン] h3 {
    max-width: 266px
}

#main .mod-widget .mod-info[data-type=NHK学生ロボコン] li {
    background-image: url(../images/arrow_gakusei.png)
}

#main .mod-widget .mod-info[data-type=ABUロボコン] h3 {
    max-width: 209px
}

#main .mod-widget .mod-info[data-type=ABUロボコン] li {
    background-image: url(../images/arrow_abu.png)
}

#main .mod-widget .mod-info[data-type=高専ロボコン] h3 {
    max-width: 197px
}

#main .mod-widget .mod-info[data-type=高専ロボコン] li {
    background-image: url(../images/arrow_kosen.png)
}

#main .mod-banner {
    max-width: 850px;
    margin: 0 auto 1em;
    padding: 0 1em;
    text-align: center;
    letter-spacing: -1em
}

#main .mod-banner [class*=bnr] {
    display: inline-block;
    width: 100%;
    margin: 0 0 1em;
    vertical-align: top;
    letter-spacing: 0
}

#main .mod-banner [class*=bnr] a {
    display: block;
    overflow: hidden;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    height: 76px;
    border: 1px solid;
    background-color: #fff
}

#main .mod-banner [class*=bnr] img {
    width: auto;
    max-width: 372px;
    height: 100%;
    margin: auto;
    vertical-align: bottom
}

#main .mod-banner [class*=bnr].bnr-official a {
    color: #000
}

#main .mod-banner [class*=bnr].bnr-twitter a {
    color: #0050a1
}

.msgBox {
    font-size: 1.25em;
    max-width: 1100px;
    margin: 1em auto;
    padding: 0 .5em
}

.msgBox .msgBoxInner {
    padding: 1em .75em;
    border: 2px solid #959595;
    background: #fff
}

.msgBox .msgBoxInner .msgBoxWrap {
    max-width: 560px;
    margin: 0 auto
}

@media (min-width:375px) {
    #main .mod-category h3 {
        font-size: 1.923em
    }
}

@media (min-width:480px) {
    #main .mod-widget {
        border-width: 6px
    }

    #main .mod-widget .mod-widget-wrap {
        margin: -1px
    }
}

@media (min-width:768px) {
    #btn-top {
        position: absolute;
        right: 18px;
        padding: 0;
        -webkit-transition-duration: 1s;
        transition-duration: 1s;
        -webkit-transition-property: opacity;
        transition-property: opacity
    }

    :lang(ar) #btn-top,:lang(fa) #btn-top,[dir=rtl] #btn-top {
        right: auto;
        left: 18px
    }

    #btn-top [role=button] {
        width: 59px;
        margin: 0 0 0 auto;
        padding-top: 59px;
        outline: 0;
        background-color: inherit;
        background-size: 23px
    }

    :lang(ar) #btn-top [role=button],:lang(fa) #btn-top [role=button],[dir=rtl] #btn-top [role=button] {
        margin: 0 auto 0 0
    }

    #btn-top [role=button]:before {
        position: absolute;
        z-index: -1;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        width: 59px;
        padding-top: 59px;
        content: '';
        -webkit-animation: spin 8s linear infinite;
        animation: spin 8s linear infinite;
        background-image: url(data:image/png;base64,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);
        background-size: 59px
    }

    #btn-top [role=button]:focus:before,#btn-top [role=button]:hover:before {
        top: -2px;
        left: -2px;
        width: 63px;
        padding-top: 63px;
        background-size: 63px
    }

    :lang(ar) #btn-top [role=button]:focus:before,:lang(ar) #btn-top [role=button]:hover:before,:lang(fa) #btn-top [role=button]:focus:before,:lang(fa) #btn-top [role=button]:hover:before,[dir=rtl] #btn-top [role=button]:focus:before,[dir=rtl] #btn-top [role=button]:hover:before {
        left: auto;
        right: -2px
    }

    #btn-top[data-fixed=true] {
        position: fixed;
        bottom: 0;
        -webkit-transition-duration: .5s;
        transition-duration: .5s;
        opacity: 0
    }

    #btn-top[data-show=true] {
        bottom: 40px;
        opacity: 1
    }

    body,html {
        scroll-behavior: smooth
    }

    #header .mod-banner-box {
        grid-template-areas: 'bnr-1 . bnr-2';
        -ms-grid-columns: 49.77376% 10px 49.77376%;
        grid-template-columns: 49.77376% 10px 49.77376%;
        -ms-grid-rows: 1fr;
        grid-template-rows: 1fr
    }

    #header [class*=bnr-gakusei] {
        overflow: hidden;
        width: 100%;
        max-width: 1030px
    }

    #header [class*=bnr-abu] .pc,#header [class*=bnr-gakusei].bnr-gakusei-2019-4 .pc,#header [class*=bnr-kosen] .pc,#main .mod-related dl.dl-type-3 .attention {
        display: inline
    }

    #header [class*=bnr-cheer] {
        overflow: hidden;
        width: 100%;
        max-width: 875px;
        border-radius: 4px
    }

    #header [class*=bnr-abu],#header [class*=bnr-kosen] {
        overflow: hidden;
        width: 100%;
        max-width: 1030px
    }

    #main {
        padding-top: 2em
    }

    #main .mod-related dl.dl-type-1 dd,#main .mod-related dl.dl-type-1 dd p,#main .mod-related dl.dl-type-1 dt {
        display: inline-block;
        vertical-align: top
    }

    #main .mod-related dl.dl-type-1 dd p:before {
        padding-right: .5em;
        content: '/'
    }

    #main .mod-related dl.dl-type-1 dd p:first-child:before {
        display: none
    }

    #main .mod-related dl.dl-type-3 {
        display: table;
        max-width: 100%;
        margin-right: 0;
        margin-left: 0
    }

    #main .mod-related dl.dl-type-3 dd,#main .mod-related dl.dl-type-3 dt {
        display: table-cell
    }

    #main .mod-related dl.dl-type-3 dt {
        width: 13em;
        text-align: center
    }

    #main .mod-related dl.dl-type-3 dd {
        margin-bottom: 0
    }

    #main .mod-related dl.dl-type-3.dl-type-3-2 dt {
        width: 12em;
        padding-right: 1em;
        text-align: right
    }

    #main .mod-related dl.dl-type-3.dl-type-3-2 .attention {
        margin-left: 0
    }

    #main .mod-categories {
        display: -ms-grid;
        display: grid;
        -ms-grid-columns: calc(33.3% - .63em) 1em calc(33.3% - .63em) 1em calc(33.3% - .63em);
        grid-template-columns: calc(33.3% - .63em) 1em calc(33.3% - .63em) 1em calc(33.3% - .63em);
        -ms-grid-rows: auto;
        grid-template-rows: auto;
        grid-template-areas: 'cat-1 . cat-2 . cat-3'
    }

    #main .mod-category {
        padding: 25px;
        border-width: 2px;
        border-radius: 20px
    }

    #main .mod-category:nth-child(1) {
        grid-area: cat-1
    }

    #main .mod-category:nth-child(2) {
        grid-area: cat-2
    }

    #main .mod-category:nth-child(3) {
        grid-area: cat-3
    }

    #main .contentsList ul {
        max-width: 248px
    }

    #main .mod-widget {
        margin-bottom: 3em;
        margin-left: 0;
        border-width: 8px
    }

    #main .mod-widget .mod-widget-wrap {
        margin: -3px;
        padding: 1.25em .938em 1px
    }

    #main .mod-widget .mod-info {
        font-size: 1.5em;
        padding: 0 1em
    }

    #main .mod-widget .mod-info li {
        padding-left: 1.75em
    }

    #main .mod-widget .mod-info li a:focus,#main .mod-widget .mod-info li a:hover {
        text-decoration: underline
    }

    #main .mod-widget .mod-info[data-type=NHK学生ロボコン] h3 {
        max-width: 459px
    }

    #main .mod-widget .mod-info[data-type=ABUロボコン] h3 {
        max-width: 360px
    }

    #main .mod-widget .mod-info[data-type=高専ロボコン] h3 {
        max-width: 338px
    }

    #main .mod-banner {
        margin-bottom: 2em
    }

    #main .mod-banner [class*=bnr] {
        width: 50%
    }

    #main .mod-banner [class*=bnr]:nth-child(2n-1) {
        padding-right: 1em
    }

    #main .mod-banner [class*=bnr]:nth-child(2n) {
        padding-left: 1em
    }

    .msgBox {
        margin: 2em auto;
        padding: 0 1em
    }

    .msgBox .msgBoxInner {
        padding: 2em 1em;
        border-width: 4px
    }

    #header .mod-banner-box [class*=bnr-]:nth-child(1),#main .mod-category:nth-child(1) {
        -ms-grid-row: 1;
        -ms-grid-column: 1
    }

    #header .mod-banner-box [class*=bnr-]:nth-child(2),#main .mod-category:nth-child(2) {
        -ms-grid-row: 1;
        -ms-grid-column: 3
    }

    #main .mod-category:nth-child(3) {
        -ms-grid-row: 1;
        -ms-grid-column: 5
    }
}

@media (min-width:800px) {
    .cWrap {
        max-width: 1030px
    }
}

@media (max-width:767px) {
    #header [class*=bnr-abu] .sm,#header [class*=bnr-gakusei].bnr-gakusei-2019-4 .sm,#header [class*=bnr-kosen] .sm {
        display: inline
    }
}