@charset "utf-8";

*,
::before,
::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 62.5%;
    color: #000;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 400;
    line-height: 1.5;
    background: #000;
    scroll-behavior: smooth;
    scroll-padding-top: 8rem;
}

@media only screen and (max-width: 750px) {
    html {
        font-size: 1.33vw;
    }
}

_::-webkit-full-page-media,
_:future,
:root html {
    scroll-padding-top: 4rem;
}

body {
    position: relative;
    width: 100%;
    max-width: 750px;
    margin: 0 auto;
    font-size: 1.4rem;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    display: block;
    cursor: pointer;
}

a,button,.button,.linkButton,.backToTop{
    &:hover{
        cursor: pointer;
        > *{
            cursor: pointer;
        }
    }
}

ul,
ol {
    list-style: none;
}

img {
    width: 100%;
    vertical-align: baseline;
}

button {
    appearance: none;
    background-color: transparent;
    border: none;
}

.heading {
    font-size: 0;
}

.mb0 {
    margin-bottom: 0 !important;
}

.mb--s {
    margin-bottom: 4rem;
}

.mt0 {
    margin-top: 0 !important;
}

.mt--s {
    margin-top: 4rem;
}

.narrow {
    letter-spacing: -.05em;
}

.yellow {
    color: #FFFF00;
}

.roboto-regular {
    font-family: "Roboto", sans-serif;
    font-weight: 400;
    font-style: normal;
}

.roboto-bold {
    font-family: "Roboto", sans-serif;
    font-weight: 700;
    font-style: normal;
}


/* header */
.header {
    max-width: 750px;
    position: fixed;
    display: flex;
    justify-content: flex-end;
    gap: 24rem;
    align-items: center;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    background: #000;
    text-align: center;
    padding: .5rem 1.5rem;
    width: 101%;
    height: 8rem;
}

.logo--link {
    width: 20%;
}

.hamburger {
    cursor: pointer;
    height: 3.9rem;
    width: 4.7rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
}

.hamburger__bar {
    display: inline-block;
    width: 100%;
    height: .3rem;
    transition: all .2s;
    border-radius: 5rem;
    background-image: linear-gradient(to right,
            rgba(110, 220, 240, 1) 0%,
            rgba(170, 145, 255, 1) 50%,
            rgba(240, 145, 230, 1) 100%);
}


.hamburger.active .hamburger__bar.bar2 {
    opacity: 0;
}

.hamburger.active .hamburger__bar.bar1 {
    transform: rotate(45deg) translateY(.2rem);
    transform-origin: left;
}

.hamburger.active .hamburger__bar.bar3 {
    transform: rotate(-45deg)translateY(-.2rem);
    transform-origin: left;
}

.nav {
    position: fixed;
    width: 100%;
    max-width: 750px;
    height: 100vh;
    top: 7.9rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
    align-items: center;
    transform: translateX(50%);
    transition: .4s;
    background: url(../images/menu/menu_bg.png) top center/cover no-repeat;
    z-index: 10;
    opacity: 0;
    pointer-events: none;
}

.nav.active {
    opacity: 1;
    transform: translateX(-50%);
    pointer-events: all;
}

.nav__lists {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    width: 45rem;
    height: 60.4rem;
    background: url(../images/menu/menu_bar.png) center/contain no-repeat;
}

.nav__img {
    object-fit: contain;
}

.nav__img.nav__img--01{
    height: 9.9rem;
}
.nav__img.nav__img--02{
    height: 9.8rem;
}

.nav__img.nav__img--03{
    height: 10.9rem;
}

.main {
    padding-top: 8rem;
    overflow-x: hidden;
}

.btn {
    width: 45rem;
    height: 7rem;
    margin: 7rem auto;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 10rem;
    color: #FFFF00;
    background-color: #000;
    font-weight: 700;
    font-size: 4rem;
}

.text {
    font-weight: 500;
    font-size: 2.8rem;
}

.annotation {
    font-size: 1.8rem;
    font-weight: 400;
}

.bold{
    font-weight: bold;
}


/* keyVisual */
.keyVisual{
    position: relative;
}
.warning__wrapper {
    position: absolute;
    bottom: 0;
    left: 50%;
    display: flex;
    justify-content: space-between;
    width: 100%;
    padding: 4rem 3rem 3rem 5rem;
    transform: translate(-50%,0);
}

.warning__img {
    width: 12.3%;
    object-fit: contain;
}

.warning__text {
    color: #fff;
    width: 84.4%;
    font-size: 2.8rem;
    font-weight: 400;
    line-height: 1.4;
}
.warning__text .bold{
    font-weight: 600;
}

/* linkButtons to apply */
.bg-wrapper-01{
    position: relative;
}

/* linkButtons */
.linkButtons {
    background: url(../images/linkBtns/links_bg.png) bottom center/100% no-repeat;
    padding-bottom: 70rem;
    margin-top: 3rem;
}

.linkButton {
    padding: 0 5rem 0rem;
}

/* apply */
.apply {
    position: relative;
    background: transparent url(../images/apply/apply_bg.png) top center/cover no-repeat;
}
.apply .heading{
    padding: 0;
    width: 100%;
    position: relative;
    z-index: 1;
}
.apply .text{
    text-align: center;
}
.apply__inner {
    margin: 4rem 10rem 11.5rem;
    color: #fff;
}

.apply__inner * {
    width: 100%;
}

.apply__label {
    font-weight: bold;
    font-size: 3.2rem;
    text-align: center;
    display: block;
    margin: 3rem 0 0;
}

.input--code {
    text-align: center;
    padding: 1.7rem 0;
    margin-top: 1.6rem;
    font-size: 3.8rem;
    border-radius: 1.5rem;
    border: .3rem solid #CACACA;
    letter-spacing: 1rem;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
}

input[type="number"] {
    -moz-appearance: textfield;
}

::placeholder {
    color: #CACACA;
}

.termCheck {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2.8rem;
    letter-spacing: .3rem;
    color: #fff;
}

input[type="checkbox"] {
    position: relative;
    cursor: pointer;
    width: 3.2rem;
    height: 3.2rem;
    margin: .3rem 2.4rem 0 0;
    background-color: #fff;
    border: .3rem solid #CACACA;
    border-radius: 0;
    padding: 0;
    appearance: none;
    color: #000
}

input[type="checkbox"]:checked:before {
    position: absolute;
    top: .2rem;
    left: .7rem;
    transform: rotate(50deg);
    width: 1.3rem;
    height: 2rem;
    border-right: .5rem solid #000;
    border-bottom: .5rem solid #000;
    content: '';
}

.link--term {
    position: static;
    text-decoration: underline;
    color: #00E6FF;
}

.btn--apply img {
    width: 57rem;
    display: block;
    margin: 0 auto ;
}
.apply__formwrap{
    position: relative;
}
.apply-hide{
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.75);
    color: #fff;
}
.apply-hide__textwrap{
    width: 100%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    text-align: center;
}
.apply-hide__heading{
    font-size: 6rem;
    font-family: "Roboto",sans-serif;
    font-weight: bold;
    letter-spacing: 0.1em;
}
.apply-hide__text{
    font-size: 2.4rem;
}
/* prize-to-howtoapply */
.bg-wrapper-02{
    position: relative;
    display: grid;
    padding-top: 5rem;
    background: #000 url(../images/prize/prize_bg.png) top center/contain repeat-y;  
}
.bg-wrapper-02 .bg-wrapper-02__inner{
    background: linear-gradient(180deg, transparent 0%, transparent 94%, #000 94%, #000 100%);
}

/* prize */
.prize {
    background: url(../images/prize/prize_bg-inner.jpg)top center/100% no-repeat;
    margin: auto;
    max-width: 86.6%;
    text-align: center;
    padding-bottom: 2rem;
    aspect-ratio: 1300/12493;
    position: relative;
    z-index: 1;
}

.heading--prize {
    position: relative;
    z-index: 1;
}

.prize__lead {
    padding: 3.8rem 5rem;
}

.prize__wrapper {
    position: relative;
    padding: 44.5rem 0 4rem;    
}
.prize__wrapper.prize--01{
    margin-top: -1rem;
}
.prize__wrapper .heading{
    width: 95.3%;
    position: absolute;
    top: 0;
    left: -9%;
}
.prize__wrapper.prize--01 .heading{
    top: 5rem;
}
.prize__wrapper.prize--02 .heading{
    left: auto;
    right: -9.5%;
}
.prize__illust{
    width: 68.75%;
    position: absolute;
    top: 0;
    right: -12.7%;
    z-index: 1;
}
.prize--01 .prize__illust{
    position: absolute;
    top: 0;
    z-index: 1;
}
.prize__wrapper.prize--02 {
    padding-top: 42.5rem;
}
.prize--02 .prize__title{
    letter-spacing: -0.083em;
}
.prize--02 .prize__illust{
    width: 68.7%;
    top: -0.5rem;
    left:-4.5%;
}
.prize--03 .prize__illust{
    width:72.6%;
    top: -5rem;
    right: -14%;
}
.prize--03 .prize__title{
    letter-spacing: -0.035em;
}
.prize__wrapper.prize--03 {
    margin-top: 4rem;
    padding: 38.5rem 0 0rem;
}

.prize__title {
    font-size: 3.2rem;
    margin-top: 1.5rem;
}

.prize__desc {
    font-size: 2.8rem;
    font-weight: bold;
    line-height: 1.5;
    letter-spacing: -.15rem;
    text-wrap: nowrap;
}
.prize .btn--apply{
    margin-top: 8rem;
}
.prize .btn--apply img{
    width: 39rem;
}

.image--period {
    width: 100%;
    position: relative;
    z-index: 1;
}

.prize__lists {
    position: relative;
    z-index: 1;
    padding: 0 7.5rem;
}

.prize__img {
    width: 100%;
    padding: 5rem 0 0;
    position: relative;
}

.nerunoda-link{    
    position: relative;
    z-index: 1;
    margin-top: -19rem;
}
.prizeMore{
    background: rgb(0 0 0/.5);
    margin: 5rem 0 0;
    padding: 5rem;
    text-align: center;
}

.prizeMore__img{
    background-color: #000;
    width: 100%;
    position: relative;
}

.prizeMore__img .cover-text{
    position: absolute;
    top: 2rem;
    right: -8rem;
}

/* howToApply */
.howToApply {
    position: relative;
    z-index: 1;
    margin: -5rem auto 0;
    max-width: 86.6%;
    padding: 5rem 0 5.8rem;
}

.howToApply__inner {
    padding: 5rem;
    background-color: #fff;
}

.product-wrapper{
    background: #fff;
    margin-bottom: 5rem;
}
.product__img {
    width: 95%;
    margin-left: 3.5rem;
}

.howToApply__inner.product .text {
    margin-left: 4rem;
    font-weight: 400;
    line-height: 1.4;
}

.seals__wrapper {
    padding: 8.2rem 2rem 4.5rem;
    position: relative;
    color: #fff;
    background: url(../images/howToApply/seal_bg.png)top center/100% no-repeat;
}

/*
.seals__wrapper::after {
    content: "";
    position: absolute;
    top: -3.7rem;
    right: 8.4rem;
    width: 0;
    height: 0;
    border-style: solid;
    border-right: 2.5rem solid transparent;
    border-left: 2.5rem solid transparent;
    border-bottom: 4.3rem solid #FEAC1A;
    border-top: 0;
}
*/
.seals__heading {
    font-size: 3.2rem;
    text-align: center;
    margin-bottom: 3rem;
}

.seals__img {
    width: 96%;
    margin-left: 1.5rem;
}


.seals__wrapper .seals__title {
    display: block;
    width: 90%;
    margin: 0 auto 4.5rem;
}

.attention {
    margin: 1rem 0 3rem;
    text-align: center;
    font-weight: 500;
    font-size: 2.4rem;
}
.seals__wrapper .annotation{
    padding: 0 3rem;
    display: flex;
}

.seals__wrapper .annotation::before{
    content: "※";
    display: inline-block;
}
.seals__wrapper .terms__lists--star {
    margin: 0 2rem;
    padding-left: 3rem;
    font-size: 1.8rem;
}

.product .btn {
    margin-bottom: 2rem;
    background-color: #000;
    color: #FFFF00;
    filter: drop-shadow(.6rem .6rem 1.8rem rgba(0, 0, 0, .15));
}

.num {
    font-size: 1.4em;
}

.method-wrapper{
    background: #fff;
}

.heading--method {
    padding-bottom: 2rem;
}

.method__steps {
    background-color: #fff;
}

.method__step {
    position: relative;
}

.step-wrapper{
    padding: 0 5rem;
    background: #fff;
    position: relative;
    z-index: 1;
}
.step__arrow{
    position: relative;
    background: #FFFFFF;
    z-index: -1;
    padding-bottom: 3rem;
    margin-top: -1px;
}
.step__arrow .bottom-triangle{
    filter: drop-shadow(0 0 2rem rgba(0, 0, 0, .2));
}
.step__arrow .bottom-triangle::after {
    content: '';
    display: block;
    grid-area: 1/1;
    height: 12rem;
    width: 100%;
    clip-path: polygon(0 0, 50% 100%, 100% 0);
    background: #fff;
}

.step__heading {
    display: flex;
    align-items: center;
    font-size: 3.2rem;
    gap: 2.2rem;
    letter-spacing: -.03rem;
    width: max-content;
}
.appX .step__heading{
    font-size: 3rem;
}

.step__headingNum {
    width: 13.75rem;
}

.step__img--0101 {
    margin: 4rem 3rem;
    width: 89%;
}

.step__box {
    border: 2px solid #000;
    padding: 3rem 2.2rem 3rem 2.8rem;
    text-align: justify;
}

.step__text {
    font-size: 2.4rem;
    font-weight: 500;
    letter-spacing: -0.059em;
}

.step__img--0102 {
    margin: 3.5rem 1rem 1rem;
    width: 94%;
}

.step__img--02 {
    margin: 4rem 0 0;
    width: 94%;
}

.step__annotation{
    display: grid;
    justify-content: center;
    align-items: flex-end;
    height: 39rem;
}

.method__step--02 .step-wrapper{
    padding-bottom: 2rem;
}
.method__step--03 .step-wrapper{
    padding-bottom: 2rem;
    height: auto;
}

.method__step--04 .step-wrapper{
    padding-bottom: 7rem;
    margin-top: -1px;
}
.method__step--04 .atari{
    display: inline-block;
    width: fit-content;
    border: .2rem solid currentColor;
    border-radius: 5rem;
    background: #fff;
    padding: .1em 1em;
    margin-bottom: 1rem;
}

.step__img--04 {
    width: 94%;
    display: block;
    margin: 3rem auto 0;
}

.step__img--04:first-of-type {
    margin-top: 4rem;
}
.step__box--04 {
    margin: -2.5rem 2.6rem 3rem;
    padding: 2rem;
}

.step__box--04 .step__text {
    font-weight: bold;
    font-size: 3.2rem;
    text-align: center;
}

.step__img--0402 {
    width: 78%;
    margin: 0 0 0 2.4rem;
    ;
}

.terms .accordionTitle {
    position: relative;
    background-color: #FFFF00;
    font-weight: bold;
    font-size: 4rem;
    text-align: center;
    padding: 1rem;
    border: 1px solid #FFFF00;
    cursor: pointer;
    color: #000;
    letter-spacing: .08em;
}

.terms .accordionTitle::after {
    position: absolute;
    top: 3rem;
    right: 3rem;
    content: "";
    width: 3.5rem;
    height: 2.5rem;
    background: url(../images/arrow.svg) center/contain no-repeat;
    color: #000;
}

.terms .accordionTitle.close::after {
    background: none;
    content: "ー";
    font-weight: normal;
    top: .8rem;
}

.terms__wrapper {
    background-color: #FFFF;
}

.accordionBox {
    padding: 4rem 5rem .5rem;
    font-size: 2.8rem;
}

.terms__title {
    font-size: 2.8rem;
    margin-top: 4rem;
}

.terms__text {
    margin-bottom: 4rem;
}

.terms__list ul {
    padding-left: 3rem;
}

.terms__lists--smallDot {
    list-style: disc;
}

.terms__lists--before {
    position: relative;
}

.terms__lists--before .terms__list::before {
    position: absolute;
    left: 0;
}

.terms__lists--bigDot > .terms__list::before {
    content: "●";
}

.terms__lists--order {
    list-style: auto;
    padding-left: 3rem;
    margin-bottom: 4rem;
}

.terms__lists--order .terms__list {
    padding-left: 1rem;
}

.terms__lists--star .terms__list::before {
    content: "※";
}

.terms__link {
    display: inline;
    color: #008CFF;
    text-decoration: underline;
    word-break: break-all;
}


/* appX */
.bg-wrapper-03{
    position: relative;
    display: grid;
    background-image: url(../images/appX/appX-gameitem_bg.png),linear-gradient(180deg,#000064 0%, #000064 73.9%, #640050 73.9%, #640050 100%);
    background-size: contain;
    background-position-y: 140px;
}

.bg-wrapper-03:before {
content: "";
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 0;
    mix-blend-mode: hue;
    background: linear-gradient(180deg, transparent 0%, transparent 76%, #e182fa 77%, #e182fa 100%);
}

.bg-wrapper-03::after{
    content: "";
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
 
}
.appX {
    position: relative;
    padding: 0 0 7rem;    
    z-index: 1;
    width: 100%;
    /* aspect-ratio: 750/3752;*/
    max-width: 75rem;
    background:  url(../images/appX/appX_bg.png) top center/100% repeat-y;
}
.appX .method__steps {
    z-index: 1;
    position: relative;
}
.appX__headingImg {
}

.appX__wrapper{
    position: relative;
}

.appX__lead{
}
.appX__lead .text--term{
    padding-inline: 5rem;
}

.appX__text {
    color: #fff;
    text-align: center;
    font-weight: bold;
    font-size: 3.2rem;
    margin: 6.9rem 0 3.9rem;
    letter-spacing: -.02em;
    line-height: 1.4;
}
.appX__text.narrow{
    letter-spacing: -.09em;
}

.appX__text.mr {
    margin-right: -1rem;
}

.appX__text .yellow {
    font-size: 1.3em;
}
.appX__text .yellow .sub{
    font-size: 3.2rem;
}

.appX__prize {
    width: 60.15rem;
    margin: 1rem auto;
    display: block;
}

.appX__text:nth-of-type(2) {
    margin: 2rem 0 2.2rem;
    letter-spacing: normal;
}

.appX__whiteBox {
    color: #5a96ff;
    background-color: #fff;
    font-weight: bold;
    font-size: 3.2rem;
    text-align: center;
    width: 55rem;
    margin: 0 auto ;
    font-family: "Roboto", sans-serif;
}
.appX__small{
    color: #b4b4b4;
    text-align: center;
    font-size: 1.8rem;
}

.appX__btn-wrapper{
    padding: 10rem 0 ;
    text-align: center;
}

.btn--appX img {
    width: 55rem;
    margin-inline: auto;
    filter: drop-shadow(.5rem .5rem 3rem rgba(0, 0, 0, .4));
}

.appX__method-wrapper{
    position: relative;
    margin: 0 5rem;
    background: #fff;
}


.step__heading.flex-start {
    align-items: flex-start;
}

.step__text.tac {
    text-align: center;
    letter-spacing: unset;
    font-weight: normal;
}

.appX .method__step {
    padding-bottom: 0;
}

.method__step {
    z-index: 1;
}

.method__step::before,
.method__step::after {
    z-index: -1;
}

.appX .method__step--01 .step-wrapper{
    padding-bottom: 0;
    text-align: center;
}
.appX .method__step--01 .step-wrapper .step__heading{
    text-align: left;
}
.appX .method__step--01 .step__img--01{
    width: 28rem;
    margin: auto;
    padding: 3rem 0 4rem;
}
.appX .method__step--02 .step-wrapper{
    padding-bottom: 2rem;
}

.appX .method__step--02 .step__img--02{
    width: 40rem;
    margin: 3.5rem auto 0;
    display: block;
}

.appX .method__step--03 .step__img--03{
    width: 40rem;
    margin: 4rem auto 0;
    display: block;
}
.appX .method__step--03 .step-wrapper{
    padding-bottom: 5rem;
}

/* terms--appX */
.terms--appX {
    position: relative;
    padding: 0 5rem;
    margin-top: -0.3rem;
}
.terms--appX .accordionTitle{
    background: #FFFF00;
}

.terms--appX ul {
    padding-left: 3rem;
}

.terms--appX .accordionBox {
    padding: 4rem 5rem;
}

/* gameItem */
.gameItem {
    position: relative;
    padding: 0;
    /*aspect-ratio: 750 / 1325;*/
    background:url(../images/game/game_bg.png) top center/100% repeat-y;
    z-index: 1;
}


.game__heading{
    margin: 5.5rem auto 0;
    width: 54.75rem;
    display: block;
}

.gameItem__wrapper{
    position: relative;
    padding: 0 6.67% 7.1rem;
}
.gameItem__wrapper .game__present{
    display: block;
    width: 32.1rem;
    height: 32.1rem;
    margin: 10.1rem auto 6.5rem;
}
.gameItem__wrapper p{
    text-align: center;
    color: #fff;
    font-weight: bold;
    font-size: 2.8rem;
}


.gameItem__wrapper .yellow .sub{
    font-size: 3.2rem;
}
.game__presents-wrapper{
    position: relative;
    margin: 2rem 5rem 5rem;
    background: #fff;
}
.game__presents-wrapper .heading{
    margin: 1rem;
    padding-top: 1rem;
    padding-bottom: 0;
}

.game__presents .game__present {
    width: 58rem;
    margin: auto;
    text-align: center;
    padding: 5rem 0;
}



.game__product {
    width: 50%;
    display: block;
    margin: 9rem auto 6rem;
}

.gameItem .appX__text.annotation,
.gameItem .appX__text.annotation .yellow {
    font-size: 2.6rem;
}
/*　nerunoda　*/
.nerunoda{
    padding: 2rem 0 ;
    background-color: #a4dae6;
}
.nerunoda a img{
    display: block;
    width: 94.67%;
    margin: 0 auto;
}
.nerunoda p{
    margin-top: 1.8rem;
    text-align: center;
    color: #002c83;
    font-size: 4rem;
    font-weight: bold;
    line-height: 1;
}
/* idolmaster */
.idolmaster {
    padding: 5rem 4rem 9rem 5rem;
    background: url(../images/idolmaster/idolmaster_bg.jpg) top center/cover;
}

.idolmaster img {
    display: block;
    margin: 3rem auto 5rem;
    width: 50.2rem;
}

.idolmaster .text {
    font-size: 2.4rem;
    line-height: 1.7;
    font-weight: 600;
}

/* about */
.about {
    background: #000;
    border: .5rem solid #000;
    color: #fff;
    text-align: center;
    font-size: 1.8rem;
    padding: 7.6rem 5rem 8rem;
    line-height: 1.5;
}

.about .box__inner:first-child {
    padding-bottom: 6.8rem;
    border-bottom: .1rem solid #fff;
    margin-bottom: 6rem;
}

.about__header {
    font-size: 2.8rem;
    font-weight: bold;
    padding-bottom: 1.5rem;
}

.about__tel {
    position: relative;
    display: flex;
    font-size: 6rem;
    line-height: 1;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    padding:1rem 0 3rem;
    font-family: "Roboto", sans-serif;
    font-weight: normal;
}

.about__tel::before {
    content: "";
    display: inline-block;
    width: 4.3rem;
    height: 5rem;
    left: 1.7em;
    background: url(../images/tel.svg) no-repeat center/contain;
}

.about__button{
    width: 70.32%;
    margin: 2rem auto 4rem;
    padding: 0.4rem 1rem;
    text-align: center;
    background: #a0a0a0;
    color: #787878;
    border-radius: 3rem;
    font-size: 2.8rem;
    font-weight: bold;
}

.btn__form {
    height: 5rem;
    background-color: #fff;
    color: #000;
    font-size: 3rem;
    margin: 3rem auto 0;
}

.about__text {
    padding: 3.3rem 1rem 0 6rem;
    text-align: left;
}

.about__title{
    font-size: 2.8rem;
    padding-top: 2rem;
}
.about__attention{
    margin-top: 1em;
    text-align: left;
    padding:0 10%;
}
/* footer */
.footer {
    text-align: center;
    padding: 4.3rem 0 4rem;
    background: #fff;
    margin-bottom: -.2rem;
}

.footer__logo {
    width: 51%;
}

.copyright {
    font-size: 1.8rem;
    margin-top: 1.8rem;
}

.backToTop {
    position: fixed;
    bottom: 7rem;
    right: -1rem;
    z-index: 100;
}
@media (min-width: 750px) {
    .backToTop{
        transition: translate .5s;
        translate: 0;
    }
    .backToTop:hover {
        translate: 0rem;
    }
}


.backToTop:hover {
    cursor: pointer;
}

.backToTop__img {
    width: 16.1rem;
    height: 16.1rem;
    cursor: pointer;
}

/* animation */
@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale3d(0.3, 0.3, 0.3);
    }

    25% {
        transform: scale3d(1.1, 1.1, 1.1);
    }

    50% {
        transform: scale3d(0.9, 0.9, 0.9);
    }

    75% {
        opacity: 1;
        transform: scale3d(1.03, 1.03, 1.03);
    }

    to {
        opacity: 1;
        transform: scaleX(1);
    }
}

@keyframes slideUp {
    0% {
        opacity: 0;
        transform: translateY(100%);
    }

    to {
        opacity: 1;
        transform: translateY(0%);
    }
}

.bounceIn,
.slideUp {
    opacity: 0;
}

.animated .bounceIn {
    animation-duration: .3s;
    animation-name: bounceIn;
    animation-fill-mode: forwards;
}

.animated .bounceIn.link--appX {
    animation-delay: .1s;
}

.animated .bounceIn.link--gameItem {
    animation-delay: .2s;
}

.animated.slideUp {
    animation-duration: .3s;
    animation-name: slideUp;
    animation-fill-mode: forwards;
}

.text-black{
    color: #000;
}