@import url('https://fonts.googleapis.com/css?family=Noto+Sans+JP:300,400,500,700&display=swap&subset=japanese');
@import url('https://use.fontawesome.com/releases/v5.6.1/css/all.css');

@media screen and (max-width: 750px) {

    main {
        font-size: 95%;
    }

    h1, h2, h3, p, table {
        margin: 0 0 1.5rem;
    }

    ul {
        padding: 0;
    }

    .header-menu > .sub-menu {
        display: none !important;
    }

    .header-menu > ul {
        width: 100%;
        padding: 0;
    }

    .header-menu > ul > li > a > img {
        width: 24px;
        height: 24px;
        vertical-align: bottom;
    }

    .header-menu > ul > li > a > p {
        display: inline-block;
        margin-left: .4rem;
        padding: 0;
        font-size: 1rem;
    }

    .header-menu > ul > li {
        width: 50%;
        border-top: 1px solid #fff;
    }

    .header-menu > ul > li:first-of-type() {
        border-top: 0;
    }

    .header-menu > ul > li:nth-child(2) {
        border-top: 0;
        border-right: 1px solid #fff;
    }

    .header-top strong {
        font-size: 11px;
    }
    .header-top {
        line-height: 13px;
        padding: .2rem 1rem;
    }

    .menu-title {
        margin: 0;
    }

    .menu-dummy {
        display: none;
    }

    .page-navi {
        display: block;
        margin: 2rem 0;
    }

    .page-navi li {
        margin: .8rem 0;
    }

    .main-top-startup img {
        position: static;
        height: 300px;
        margin: 0 auto;
        text-align: center;
    }

    .main-top-image {
        height: auto;
        padding: 1.6rem 0;
    }

    .main-top-image .main-container {
        width: 100%;
        height: auto;
    }

    .main-top-image .main-container div {
        width: 100%;
        height: auto;
    }

    .main-top-image p {
        height: auto;
        margin: 0 0 1rem;
        font-size: 22px;
    }

    .main-top-image strong {
        height: auto;
        font-size: 1.2rem;
    }

    .main-top-image img {
        width: 100%;
        margin: 1rem 0 0;
        padding: 15px;
    }

    .main-top-startup {
        height: auto;
        margin: 36px 0;
    }

    .main-top-startup p {
        line-height: 46px;
        font-size: 18px;
    }

    .main-top-list {
        margin: 0;
        padding: 0;
    }

    .main-top-list > li {
        width: 50%;
        height: auto;
        margin-bottom: 9px;
        padding: 0 4.5px;
    }

    .main-top-list > li:nth-child(odd) {
        padding-left: 9px;
    }

    .main-top-list > li:nth-child(even) {
        padding-right: 9px;
    }

    .main-top-list > li > a {
        display: flex;
        text-align: center;
        align-items: center;
        justify-content: center;
    }

    .main-top-list > li > a > img {
        width: 100%;
        height: auto;
    }

    .main-container {
        width: 90%;
        margin: 0 auto;
    }

    .main-container-top {
        width: 100%;
    }

    .main-greeting-left {
        width: 100%;
        margin-bottom: 2rem;
        text-align: center;
    }

    .main-greeting-left img,
    .main-greeting-left p,
    .main-greeting-left strong {
        width: 60%;
        margin: 0 auto;
    }

    .main-greeting-left p {
        text-align: left;
    }

    .main-greeting-right {
        width: 100%;
        text-align: center;
    }

    .main-greeting-right p {
        height: 7.5rem;
        overflow: hidden;
    }

    .main-greeting {
        margin: 0;
    }

    .main-platform-section {
        text-align: center;
    }

    .main-platform-section h1 {
        text-align: left;
    }

    .main-platform-section p {
        height: 7.5rem;
        overflow: hidden;
    }

    .main-platform {
        display: none;
    }
    

    .main-platform img {
        width: 90%;
        height: auto;
    }

    .main-platform strong {
        margin-left: -150px;
        font-size: 1rem;
    }

    .main-platform-section2 {
        text-align: center;
    }

    .main-platform-section2  {
        text-align: center;
    }

    .main-platform-section2 h1 {
        text-align: left;
    }

    .main-platform-flex {
        display: none;
        text-align: left;
    }

    .main-table-wrap {
        padding: 0;
    }

    .main-platform-flex {
        width: 100%;
    }

    .main-platform-list {
        width: 100%;
        padding: 0;
    }

    .main-platform-list a {
        width: 100%;
    }

    .main-academic {
        text-align: center;
    }

    .main-academic h1 {
        text-align: left;
    }

    .main-academic p {
        height: 7.5rem;
        overflow: hidden;
    }

    .main-academic .main-table-wrap {
        display: none;
        text-align: left;
    }

    .main-academic-text  {
        display: none;
        text-align: right;
    }

    .main-regulation-list {
        padding: 0;
    }

    .main-vision-list {
        padding: 0;
    }

    .main-vision-list li {
        width: 100%;
        padding-bottom: 1.5rem;
    }

    .main-view {
        height: 200px;
    }

    .main-table-plan th:first-of-type {
        width: 30%;
    }

    .main-table-plan th:last-of-type {
        width: 70%;
    }

    .main-activity-view {
        height: 200px;
    }

    .more {
        display: inline-block;
    }

    .main-top-image .main-container div:first-of-type strong {
        font-size: 22px;
        padding: 0 15px;
    }

    .page-top button {
        width: 90px;
        height: 62px;
    }

    .main-top-container {
        width: 100%;
    }

    footer {
        margin-top: 40px;
    }

    .footer-info p {
        line-height: 1.2rem;
        margin: 0;
        padding: 0;
        font-size: .7rem;
    }

    .footer-copy {
        font-size: .7rem;
    }
}