@charset "utf-8";

/*! portal.css v2.0.2 | MIT License | https://github.com/nicolas-cusan/destyle.css */
html{box-sizing:border-box}*,::before,::after{box-sizing:inherit}body{margin:0}hr{height:0;color:inherit}abbr[title]{text-decoration:underline dotted}b,strong{font-weight:bolder}code,kbd,pre,samp{font-family:ui-monospace,SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-0.25em}sup{top:-0.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}button,input,optgroup,select,textarea{font-family:inherit;font-size:100%;line-height:1.15;margin:0}button,select{text-transform:none}button,[type=button],[type=reset],[type=submit]{-webkit-appearance:button}::-moz-focus-inner{border-style:none;padding:0}:-moz-focusring{outline:1px dotted ButtonText}:-moz-ui-invalid{box-shadow:none}legend{padding:0}progress{vertical-align:baseline}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}summary{display:list-item}canvas{display:inline-block}template{display:none}[hidden]{display:none}html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,hgroup,menu,nav,output,ruby,section,summary,time,mark,audio,video{margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}body{line-height:1}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote::before,blockquote::after,q::before,q::after{content:'';content:none}table{border-collapse:collapse;border-spacing:0}


*  {
    box-sizing: border-box;
}

/*  変数 　*/
:root{
    --color-main: #252525; /* メインカラー */
    --color-sub: #2C2C2C; /* サブカラー */
    --color-copy: #3C0F61;
    --color-text: var(--color-sub);/* テキストの基本色 */
    --color-soft: #747A84;
    --color-white: #ffffff;

    --bg-main: #f8f9fa; /* 背景色 */
    --bg-white: var(--color-white);
    --bg-sub: #F6F6F6;
    --bg-footer: #ECECEC;
    --bg-icon: var(--color-main);

    --gradation-main:linear-gradient(to right,#8843db,#f34aaf);

    /* フォント変数 　*/
    --font-family-base: "Arial", sans-serif;
    --font-size-base: 16px;

    /*　border　*/
    --border-main: 1px solid #8843DB;
    --border-soft: 1px solid #D6CFDB;
    --border-arrow: 2px solid #F34AAF;

    /* icon */
    --color-icon-free: #9B5DE5;
    --border-icon-free: var(--border-soft);
    --color-icon-premium: var(--color-white);
    --bg-icon-premium: var(--gradation-main);

    /* btn */
    --btn-primary-bg: var(--gradation-main);
    --btn-primary-color: var(--color-white);
    --btn-main-bg: var(--color-main);
    --btn-main-color: var(--color-white);

    /* スペース変数 　*/
    --spacing-small: 8px;
    --spacing-medium: 16px;
    --spacing-large: 32px;
}

/*　global　*/
html{
    font-size: 62.5%;
    counter-reset: number 0;
}

body {
    font-family:
        "Helvetica Neue",
        Arial,
        "Hiragino Kaku Gothic ProN",
        "Hiragino Sans",
        "Noto Sans JP",
        Meiryo,
        sans-serif;
    color: var(--color-text);
    font-size: 1.6rem;
}

a {
    text-decoration: none;
    color: var(--color-main);
}

a:hover {
    opacity: 0.75;
    transition: .2s;
    cursor: pointer;
}

h2 {
    font-size: 1.6rem;
    font-weight: bold;
}

h3{
    font-size:2.4rem;
    font-weight: bold;
}

h4{
    font-size: 1.6rem;
    font-weight: bold;
    position: relative;
    line-height: 2.6;
}

h4 span:before{
    position: absolute;
}

.icon-free,
.icon-premium {
    font-size: 1.1rem;
    border-radius: 25px;
    width: 72px;
    height: 24px;
    text-align: center;
    line-height: 1;
    white-space: nowrap;
    display: flex;
    justify-content: center;
    align-items: center;
}

.icon-free {
    margin: 0 8px 0 0;
    color: var(--color-icon-free);
    border: var(--border-soft);
}

.icon-premium {
    color: var(--color-icon-premium);
    background: var(--gradation-main);
}

@media screen and (max-width:760px){
    body {
        font-size: 1.6rem;
    }

    h4{
        line-height: 1.4;
        min-height: 40px;
        display: flex;
        align-items: center;
    }
}

/*　layout　*/
header {
    width: 100%;
    height: 96px;
    padding: 24px;
}

.main-nav ul {
    display: flex;
}

.main-section {
    padding: 0 40px;
}

.sub-section{
    padding: 40px;
    background: var(--bg-sub);
}

.sub-section-warp {
    max-width: 1000px;
    margin: 0 auto;
    border-radius: 25px;
}

/*-------------------header*/
.header-container {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-nav ul li {
    display: flex;
    margin: 0 0 0 24px;
}

.main-nav li a {
    height: 50px;
    width: 124px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 3px;
    font-weight: bold;
}

.nav-signup-button{
    color: var(--btn-main-color);
    background: var(--btn-main-bg);
}

.hamburger,
.side-menu {
    display: none;
}

@media screen and (max-width:1080px){
    h2 {
        font-size: 2.6rem;
        text-align: center;
    }
}

@media screen and (max-width:768px){
    header {
        width: 100%;
        height: 70px;
    }

    a.logo {
        width: 140px;
        margin: 0 auto;
        height: 36px;
    }

    h1 {
        background-size: 14rem;
        background-position: center;
    }

    .main-nav ul{
        display: none;
    }

    .hamburger,
    .side-menu {
        display:flex;
    }

    .btn-register {
        color:var(--color-white);
        padding: 6px 12px;
        border: none;
        border-radius: 4px;
        cursor: pointer;
    }

    .hamburger {
        width: 30px;
        height: 22px;
        position: relative;
        cursor: pointer;
        z-index: 1001; /* サイドメニューやオーバーレイより上に */
    }

    .hamburger span {
        display: block;
        position: absolute;
        height: 3px;
        width: 100%;
        background: var(--bg-icon);
        transition: 0.3s ease;
        border-radius: 2px;
    }

    .hamburger span:nth-child(1) {
        top: 0;
    }
    .hamburger span:nth-child(2) {
        top: 9px;
    }
    .hamburger span:nth-child(3) {
        top: 18px;
    }

    /* クリック後（×に変形） */
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg);
        top: 9px;
        }
        .hamburger.active span:nth-child(2) {
        opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg);
        top: 9px;
    }

    /* サイドメニュー */
    .side-menu {
        position: fixed;
        top: 0;
        left: -250px;
        width: 220px;
        height: 100%;
        background: var(--bg-white);
        box-shadow: 2px 0 6px rgba(0, 0, 0, 0.2);
        padding: 60px 20px;
        display: flex;
        flex-direction: column;
        gap: 16px;
        transition: left 0.3s ease;
        z-index: 999;
    }

    /* メニュー開いたとき */
    .side-menu.open {
        left: 0;
    }
    .side-menu a{
        height: 52px;
        margin: 0 0 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 3px;
    }
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
    z-index: 998;
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

/*-------------------hero-section*/
.hero-section {
    margin: 0 0 48px;
    width: 100%;
    height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
    background-image: var(--gradation-main),
    url("/image/portal/hero_mask_img.png");
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    background-blend-mode: multiply;
}

.hero-section:before {
    position: absolute;
    content: "";
    width: 100%;
    height: 100%;
    background: url("/image/portal/hero_mask_img.png") no-repeat;
    background-size: cover;
}

.hero-content{
    position: relative;
    max-width: 680px;
}

.hero-content:before{
    position: absolute;
    content: "";
    background: url("/image/portal/hero_img_left.svg") no-repeat center;
    width: 145px;
    height: 160px;
    bottom: -100px;
    left: -100px;
}

.hero-content:after {
    position: absolute;
    content: "";
    background: url("/image/portal/hero_img_right.svg") no-repeat center;
    width: 145px;
    height: 188px;
    bottom: -102px;
    right: -100px;
}

.hero-copy{
    font-size: 4.0rem;
    color: var(--color-copy);
    background: var(--color-white);
    font-weight: bold;
    padding: 4px 8px;
    margin: 0 0 40px;
}

.hero-copy br{
    display: none;
}

.hero-btn-wrap{
    position: relative;
}

.hero-btn-wrap:before,
.hero-btn-wrap:after {
    position: absolute;
    content: "";
    width: 56px;
    height: 56px;
    top: 0;
}

.hero-subcopy {
    font-size: 1.6rem;
    margin: 0 0 56px;
}

.hero-subcopy br{
    display: none;
}

.hero-btn-wrap:before{
    background: url("../../image/portal/hero_kira_left.svg") no-repeat center;
    left: 0px;
}

.hero-btn-wrap:after{
    background: url("../../image/portal/hero_kira_right.svg") no-repeat center;
    right: 0px;
}

.hero-section a.signup-button{
    width: 240px;
    height: 62px;
    margin: 0 auto;
    border-radius: 25pc;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    color: var(--color-white);
    font-size: 2.0rem;
    font-weight: bold;
    background: var(--gradation-main);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    cursor: pointer;
    position: relative;
}


a.signup-button{
    cursor: pointer;
    transition: .25s cubic-bezier(0.45, 0, 0.55, 1);
}

a.signup-button:hover {
    background: var(--bg-white);
    color: var(--color-copy);
}

@media screen and (max-width:1080px){
    .hero-content {
        max-width: inherit;
    }

    .hero-btn-wrap{
        width: auto;
        margin: 0 auto;
    }

    .hero-content:before{
        background-size: 100px;
        width: 100px;
        height: 135px;
        bottom: -102px;
        left: 54px;
    }

    .hero-content:after {
        background-size: 80px;
        width: 80px;
        height: 135px;
        bottom: -102px;
        right: 80px;
    }
}

@media screen and (max-width:760px){
    .main-nav {
        display: none;
    }

    .side-menu a.signup-button{
        color: var(--btn-main-color);
        background: var(--btn-main-bg);
    }

    .hero-section{
        padding: 24px 0 40px;
        height: inherit;
    }

    .hero-content{
        width: 100%;
    }

    .hero-copy {
        margin: 0 0 16px;
        font-size: 4rem;
        padding: 16px;
    }

    .hero-copy br{
        display: block;
    }

    .hero-subcopy {
        font-size: 1.6rem;
        line-height: 2;
        margin: 0 0 32px;
    }

    .hero-subcopy br{
        display: block;
    }

    .hero-section a.signup-button {
        width: 240px;
    }

    .hero-content:before {
        left: 15px;
        background-size: 70px;
        width: 73px;
        height: 105px;
        bottom: -83px;
    }

    .hero-content:after {
        background-size: 57px;
        width: 68px;
        height: 97px;
        bottom: -72px;
        right: 10px;
    }
}

@media screen and (max-width: 428px){
    .hero-copy {
        font-size: 3.2rem;
    }
}

/*-------------------main-section-warp*/
.main-section-warp {
    max-width: 1000px;
    margin: 0 auto 40px;
}

.service-introduction h2 {
    padding: 8px 24px;
    margin: 0 0 32px;
    position: relative;
}

.service-introduction h2:before {
    content: "";
    position: absolute;
    width: 1px;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradation-main);
    z-index: -1;
}

.service-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 36px 24px;
    width: 100%;
}

.service-card {
    border: var(--border-soft);
    border-radius: 3px;
    padding: 8px;
    display: flex;
    position: relative;
}

.service-card:before {
    position: absolute;
    content: "";
    width: 100%;
    height: 3px;
    border-radius: 3px 3px 0 0;
    background: var(--gradation-main);
    top: 0;
    left: 0;
}

.service-card-icon{
    min-width: 90px;
    min-height: 90px;
    margin: 0 8px 0 0;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.card-icon-cart{
    background-image: url("/image/portal/service_img_cart.svg");
}

.card-icon-circle{
    background-image: url("/image/portal/service_img_circle.svg");
}

.card-icon-help{
    background-image: url("/image/portal/service_img_help.svg");
}
.card-icon-market{
    background-image: url("/image/portal/service_img_market.svg");
}

.service-card-item {
    width: 100%;
    padding: 0 24px 0 0;
}

.service-card-item-heading {
    padding: 8px 0;
    margin: 0px 0 8px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    border-bottom: var(--border-soft);
}

.service-card-item-heading h3 {
    line-height: 1;
    margin: 0 8px 0 0;
}

.service-card-item-heading ul {
    display: flex;
    align-items: center;
}

.service-card-content {
    line-height: 1.4;
}

.arrow-icon {
/* -- 右端の矢印アイコンのスタイル -- */
    position: absolute;
    top: 50%;
    right: 13px;
    width: 8px;
    height: 8px;
    border-top: var(--border-arrow);
    border-right: var(--border-arrow);;
    transform: translateY(-50%) rotate(45deg);
}

@media screen and (max-width:1080px){
    .service-introduction h2 {
        margin: 0 0 64px;
    }

    .service-introduction h2:before{
        content: "";
        position: absolute;
        width: 80px;
        height: 2px;
        border: 0;
        top: inherit;
        left: 0;
        right: 0;
        bottom: -8px;
        margin: 0 auto;
        background: var(--gradation-main);
        z-index: -1;
    }

    .service-card-link {
        width: 60%;
        min-width: 600px;
        margin: 0 auto;
    }

    .service-list{
        display: grid;
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

@media screen and (max-width:764px){
    .main-section {
        padding: 0 16px;
    }

    .service-card-link {
        width: 100%;
        min-width: inherit;
    }

    .service-card-item-heading h3{
        line-height: 2;
    }

    .service-card-icon {
        min-width: 80px;
        min-height: 80px;
        margin: 0 8px 0 0;
        background-position: top;
    }
}

@media screen and (max-width:468px){
    .service-card-icon{
        min-width: 64px;
        min-height: 64px;
        margin: 0 8px 0 0;
        background-position: top;
    }

    .service-card-item-heading {
        flex-direction: column;
        align-items: start;
        align-content: flex-start;
    }

    .service-card-item-heading ul {
        width: 100%;
    }
}

/*-------------------about*/
.about,
.how-to-use {
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px;
    border-radius: 10px;
    background: var(--bg-white);
}

.about h2,
.how-to-use h2 {
    margin: 0 0 24px;
    padding: 4px 0;
    position: relative;
}

.about h2:before,
.how-to-use h2:before {
    content: "";
    position: absolute;
    width: 1px;
    top: 0;
    left: -18px;
    right: 0;
    bottom: 0;
    background: var(--gradation-main);
}

.about {
    margin: 0 0 40px;
}

.content-box {
    line-height: 2.1;
}

.step {
    padding: 0 0 0 40px;
    position:relative;
}

.step:before {
    position: absolute;
    content: "";
    width: 1px;
    top: 0;
    height: 100%;
    background: var(--gradation-main);
    left: 6px;
}

h4:before {
    position: absolute;
    content: "";
    width: 44px;
    height: 44px;
    background: var(--gradation-main);
    left: -56px;
    border-radius: 25px;
    top: -2px;
}

h4 span {
    height: 40px;
    width: 40px;
    display: flex;
    padding: 16px;
    background: var(--bg-white);
    border-radius: 25px;
    position: absolute;
    top: 0;
    left: -54px;
    align-items: center;
    font-weight: normal;
    z-index: 10;
}

.content-box-text {
    position: relative;
    padding: 24px 0 60px;
    min-height: 80px;
}

.step:last-child .content-box-text:before {
    background: none;
}

@media screen and (max-width:1080px){
    .about h2,
    .how-to-use h2 {
        margin: 0 0 64px;
    }

    .about h2:before,
    .how-to-use h2:before {
        content: "";
        position: absolute;
        width: 80px;
        height: 2px;
        border: 0;
        top: inherit;
        left: 0;
        right: 0;
        bottom: -8px;
        margin: 0 auto;
        background: var(--gradation-main);
        z-index: 1;
    }
}

@media screen and (max-width:768px){
    .sub-section{
        padding: 40px 0;
    }

    .about {
        position: relative;
        color: var(--color-white);
        padding: 40px 24px 80px;
        margin: 0 16px 80px;
        background: linear-gradient(to right, rgba(136, 67, 219, 0.9), rgba(243, 74, 175, 0.9));
    }

    .about:before {
        position: absolute;
        content: "";
        background: url("../../image/portal/about_left.svg") no-repeat;
        background-size: auto;
        width: 77px;
        height: 77px;
        bottom: -8px;
        left: -6px;
    }

    .about:after{
        position: absolute;
        content: "";
        background: url("../../image/portal/about_right.svg") no-repeat;
        background-size: auto;
        width: 77px;
        height: 77px;
        bottom: -8px;
        right: -6px;
    }

    .about h2,
    .how-to-use h2 {
        margin: 0 0 40px;
    }

    .about h2:before,
    .how-to-use h2:before{
        display:none;
    }

}

@media screen and (max-width:428px){

    .how-to-use {
        max-width: 1000px;
        margin: 0 auto 40px;
        padding: 80px 24px 40px;
    }

    .about {
        color: var(--color-white);
        padding: 40px 24px 80px;
        background: linear-gradient(to right, rgba(136, 67, 219, 0.9), rgba(243, 74, 175, 0.9));
        position: relative;
    }

}

/*footer*/
footer {
    padding: 40px;
    background: var(--bg-footer);
}

.footer-container {
    max-width: 1000px;
    margin: 0 auto 80px;
}

.footer-logo {
    background: url("../../image/portal/logo_img.svg") no-repeat;
    width: 190px;
    height: 37px;
    margin: 0 0 62px;
}

.footer-nav {
    display: flex;
}

footer h2 {
    margin: 0 0 24px;
    font-size: 1.4rem;
    text-align: left;
}

.footer-column {
    width: 200px;
}

.footer-column  li {
    margin: 0 0 16px;
}

.footer-bottom {
    border-top: var(--border-soft);
    padding: 40px 0 0;
    color: var(--color-soft);
}

.footer-bottom ul,
.footer-bottom p {
    max-width: 1000px;
    margin: 0 auto 24px;
}

.footer-bottom ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.footer-bottom li {
    margin: 0 16px 0 0;
}

.footer-bottom li :last-child {
    margin: 0;
}

.footer-bottom a {
    height: 52px;
    display: inline-flex;
    align-items: center;
    font-size: 1.4rem;
}

p.copyright {
    text-align: center;
}

@media screen and (max-width:768px){

    footer h2{
        font-size: 1.6rem;
    }

    .footer-container{
        margin: 0 auto;
    }

    .footer-nav {
        display: flex;
        flex-direction: column;
    }

    .footer-column {
        max-width: 200px;
        margin: 0 0 40px;
    }

    .footer-bottom ul {
        display: flex;
        flex-direction: column;
    }

    .footer-column li a {
        line-height: 1.9;
    }

}

@media screen and (max-width:468px){
    footer {
        padding: 40px 16px;
    }
}