html, body, div, span, iframe,
h1, h2, h3, h4, h5, h6, p, pre,
strong, b, i,
dl, dt, dd, ol, ul, li,
form, label, table, tbody, tfoot, thead, tr, th, td {
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
    font-size: 100%;
    vertical-align: baseline;
    background: transparent;
}

body {
    line-height: 1;
    color: #333333;
}

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

.title {
    font-size: 36px;
    line-height: 35px;
    text-align: center;
    letter-spacing: 0px;
}

.landing {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    width: 100%;
}

.landing-block {
    width: 100%;
}

.landing-block:nth-child(2n+1) {
    background: #F9F7F2;
}

.landing-block:nth-child(2n) {
    background: #FFFFFF;
}

.landing-block.block-summary {
    display: flex;
    justify-content: center;
}

.landing-block.block-feature,
.landing-block.writing-with-class-count,
.landing-block.auto-insert-default-class,
.landing-block.block-login,
.landing-block.block-systemrequirements,
.landing-block.block-api {
    padding-top: 100px;
    padding-bottom: 80px;
    display: flex;
    align-items: center;
    flex-direction: column;
}

.landing-block:last-child {
    padding-bottom: 100px;
}

/*
 * summary
 */

.summary-image,
.summary-description {
    height: 619px;
}
.summary-image {
    width: 840px;
    padding: 80px 70px;
}
.summary-description {
    width: 600px;
    padding: 91px 77px;
}

.summary-image .bg-png {
    background-image: url('../img/summary.png');
}

.summary-title {
    display: flex;
    -ms-align-items: center;
    align-items: center;
}

.summary-title-text {
    margin-left: 12px;
    display: flex;
    align-items: center;
}

.summary-title-text-short {
    width: 116px;
    height: 58px;
    background-image: url('/image/landing_title_text_short.png');
}

.summary-title-text-long {
    margin-left: 10px;
    color: #EA4335;
    font-size: 25px;
}


.summary-feature {
    margin-top: 15px;
    color: #545454;
    font-size: 21px;
    line-height: 31px;
}

.summary-text {
    margin-top: 15px;
    font-size: 14px;
    line-height: 22px;
}

.summary-btn-signin {
    margin-top: 26px;
    font-size: 14px;
    width: 188px;
    height: 45px;
    line-height: 45px;
    background: #1A73E8 0% 0% no-repeat padding-box;
    border-radius: 4px;
    color: #FFFFFF;
    font-size: 14px;
    text-align: center;
    cursor: pointer;
}

/*
 * feature
 */
.feature-content {
    margin-top: 42px;
    display: flex;
    justify-content: center;
}

.feature-content-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.feature-content-item:not(:first-child) {
    margin-left: 30px;
}

.feature-icon {
    width: 200px;
    height: 200px;
}
.feature-icon.icon-account {
    background-image: url('feature1.png');
}
.feature-icon.icon-class {
    background-image: url('feature2.png');
}

.feature-subject {
    margin-top: 16px;
    background: #EA4335;
    border-radius: 10px;
    color: #FFFFFF;
    font-weight: 500;
    font-size: 18px;
    line-height: 24px;
    text-align: center;
    width: 240px;
    height: 70px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.feature-text {
    margin-top: 29px;
    font-size: 14px;
    line-height: 28px;
    letter-spacing: 0.7px;
    width: 241px;
}

/*
 * writing-with-class-count
 */
.block-text {
    margin-top: 50px;
    width: 780px;
    font-size: 16px;
    line-height: 32px;
}

.block-image {
    margin-top: 50px;
    width: 780px;
    height: 665px;
    background-image: url('feature1_detail.png');
}

.block-image-feature2 {
    margin-top: 50px;
    width: 780px;
    height: 665px;
    background-image: url('feature2_detail.png');
}

/*
 * login
 */
.login-text {
    margin-top: 50px;
    width: 780px;
    font-size: 16px;
    line-height: 32px;
}

.login-image {
    margin-top: 50px;
    width: 780px;
    height: 817.58px;
    background-image: url('/image/landing_login.png');
}

/*
 * systemrequirements
 */

.systemrequirements-computer,
.systemrequirements-common {
    width: 779px;
}
.systemrequirements-computer {
    margin-top: 53px;
}
.systemrequirements-common {
    margin-top: 41px;
}

.heading {
    display: flex;
    align-items: center;
}

.heading-square {
    width: 9px;
    height: 30px;
    background-color: #EA4335;
}

.heading-text {
    margin-left: 17px;
    font-size: 22px;
    line-height: 35px;
}

.systemrequirements-table {
    margin-top: 30px;
    font-size: 16px;
    line-height: 35px;
    vertical-align: middle;
}

.systemrequirements-table table,
.systemrequirements-table th,
.systemrequirements-table td,
.systemrequirements-table tr {
    vertical-align: middle;
    border: 1px solid #A8A8A8;
}
.systemrequirements-table tr {
    height: 62px;
}
.systemrequirements-table th {
    width: 230px;
    padding-left: 17px;
    padding-right: 17px;
    background-color: #F9F7F2;
}
.systemrequirements-table td {
    width: 550px;
    padding-left: 37px;
    padding-right: 37px;
    background-color: #FFFFFF;
}

.systemrequirements-common .content {
    margin-top: 30px;
}

.systemrequirements-common .item {
    font-size: 16px;
    line-height: 35px;
    height: 24px;
}
.systemrequirements-common .item .circle {
    color: #EA4335;
    margin-right: 6px;
}
.systemrequirements-common .item-note {
    margin-top: 12px;
    margin-left: 22px;
    height: 48px;
    font-size: 14px;
    line-height: 35px;
}

.systemrequirements-trademark-note {
    margin-top: 50px;
    font-size: 14px;
    line-height: 32px;
    color: #5F6368;
}

/*
 * api
 */

.api-text {
    margin-top: 50px;
    width: 1024px;
    font-size: 16px;
    line-height: 32px;
}

.api-list {
    width: 1024px;
    margin-top: 50px;
}

.api-list-text {
    margin-top: 30px;
    font-size: 16px;
    line-height: 32px;
}

.api-list-text-inline-list {
    margin-left: 32px;
    line-height: 32px;
}

.api-list-subject {
    font-size: 21px;
    line-height: 31px;
    font-weight: 500;
    text-align: center;
}

.oauth{
  margin-top: 30px;
}

.oauth-scope{
  width: 100%;
  display: flex;
  flex-direction: column;
  padding-left: 5%;
  margin-top: 30px;
}

.oauth-scope-description{
  padding-left: 5%;
}

.oauth-scope-url{
  padding-left: 5%;
}

/*
 * footer
 */
.landing-footer {
    width: 100%;
    height: 103px;
    box-shadow: 0px 0px 10px #00000029;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: absolute;
}

.landing-footer-left,
.landing-footer-right {
    height: 45px;
    display: flex;
    align-items: flex-end;
}

.landing-footer-left {
    margin-left: 30px;
}

.landing-footer-company-logo {
    min-width: 168px;
    width: 168px;
    background-image: url('../img/CHIeru_logo.png');
    height: 100%;
}

.landing-footer-menu {
    margin-left: 30px;
    font-size: 14px;
    line-height: 20px;
}
.landing-footer-menu .link {
    cursor: pointer;
}
.landing-footer-menu .separator {
    margin-left: 0.7rem;
    margin-right: 0.7rem;
}

.landing-footer-right {
    margin-right: 22px;
    font-size: 12px;
    line-height: 18px;
}