/**** reset ****/
html, body, h1, h2, h3, h4, ul, ol, dl, li, dt, dd, p, div, span, img, a, table, tr, th, td, article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {
    margin: 0;
    padding: 0;
    border: 0;
    font-size:100%;
    font-weight: normal;
    vertical-align:baseline;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
body {
    line-height:1;
    letter-spacing:0.05em;
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    color: #333;
    _display: inline;
    _zoom:1;
    -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
}
article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section { 
    display:block;
}
nav, ol, ul {
    list-style: none;
    list-style-type: none;
}
a {
    margin:0;
    padding:0;
    font-size:100%;
    vertical-align:baseline;
    background:transparent;
}
table {
    border-collapse:collapse;
    border-spacing:0;
}
th, td {
    text-align:left;
    vertical-align:top;
}
img {
    vertical-align:bottom;
}
input, select, textarea {
    vertical-align:middle;
    -webkit-appearance: none;
}
i, span {
    font-style: normal;
    font-weight: inherit;
}
strong {
    font-weight: bold;
}
/**** reset ****/

.flex {
    -webkit-display:flex;
    display:flex;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    -webkit-flex-wrap:wrap;
    flex-wrap:wrap;
    -webkit-align-items: center;
    align-items: center;
}
input,select,textarea,button {
    font-size: 1.6rem;
    background: #f7f7f7;
    border: 1px solid #ccc;
    /*font-family: "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN", メイリオ, Meiryo, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;*/
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    font-display: swap;
    box-sizing: border-box;
    border-radius: 3px;
}
input:focus,select:focus,textarea:focus {
    background: #fff;
    border: 1px solid #aaa;
}
:focus {
    outline: 0;
}

:root {
    --main-color: #1039b3;
    --dark-color: #192549;
}

br.smpbr {
    display: none;
}

#container {
    position: relative;
    overflow: hidden;
}

header {
    position: absolute;
    width: 100%;
    z-index: 5;
}

.header-wrap {
    display: flex;
    align-items: center;
    height: 100px;
}

.header-logo {
    display: block;
    height: 42px;
    width: auto;
}

.header-logo img {
    width: auto;
    height: 100%;
}

.content-wrap {
    width: min(90%, 1200px);
    margin-inline: auto;
}

#main {
    background: url(../img/main_bg.jpg) no-repeat top center;
}

.main-wrap {
    position: relative;
    padding-top: 140px;
    min-height: 670px;
}

.main-head {
    position: relative;
    letter-spacing: 0.1em;
    z-index: 1;
}

.main-head-catch {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 0 18px;
    margin-bottom: 25px;
    padding-left: 50px;
    font-size: 18px;
    font-weight: bold;
    color: var(--main-color);
}

.main-head-catch::before,
.main-head-catch::after {
    display: block;
    content: "";
    width: 1px;
    height: 28px;
    background-color: var(--main-color);
}

.main-head-catch::before {
    transform: rotate(-30deg);
}

.main-head-catch::after {
    transform: rotate(30deg);
}

.main-head-text {
    display: block;
    font-size: 33px;
    font-weight: bold;
}

.main-head-title {
    display: block;
    margin-top: 15px;
    margin-bottom: 30px;
    font-size: 51px;
    font-weight: bold;
    color: var(--main-color);
}

.main-head-title strong {
    display: inline-flex;
    justify-content: flex-start;
    align-items: center;
    font-size: 68px;
    transform: translateY(5px);
}

.main-head-title em {
    font-style: normal;
}

.main-head-title em.num {
    font-size: 86px;
}

.main-head-title em.de {
    font-size: 33px;
    color: #333;
}

.main-img {
    position: absolute;
    top: 80px;
    right: -40px;
}

.main-balloon {
    position: absolute;
    top: 80px;
    right: 395px;
    width: 160px;
    height: 160px;
}

.main-balloon img {
    width: 100%;
    height: auto;
}

.btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 0.75em;
    padding: 1.1em 2.25em 1.1em 2.75em;
    text-decoration: none;
    color: #fff;
    background: linear-gradient(90deg, #f49845, #f17930);
    font-weight: bold;
    border-radius: 2em;
    transition: all 0.2s ease;
}

.btn::after {
    content: "";
    width: 8px;
    height: 8px;
    border-right: 2px solid #fff;
    border-bottom: 2px solid #fff;
    transform: rotate(-45deg);
}

@media (hover: hover) {
    .btn:hover {
        transform: translateY(2px);
    }
}

.main-btn {
    margin-top: 55px;
    font-size: 20px;
}

#question {
    position: relative;
    background: linear-gradient(90deg, var(--main-color), var(--dark-color));
    color: #fff;
    z-index: 2;
}

.question-wrap {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 50px 0;
}

.question-info {
    width: 600px;
}

.question-head {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 30px;
    margin-bottom: 25px;
    font-size: 32px;
    font-weight: bold;
    letter-spacing: 0.08em;
    line-height: 1.7;
}

.question-head::before {
    content: "QUESTION";
    display: inline-block;
    padding: 0.75em 1.25em;
    font-size: 12px;
    letter-spacing: 0.05em;
    border: 1px solid #fff;
    border-radius: 2em;
}

.question-text {
    font-size: 16px;
    line-height: 2;
}

.question-text strong {
    color: #f49845;
}

.question-img {
}

.content-head {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    margin-bottom: 60px;
    font-size: 36px;
    font-weight: bold;
    text-align: center;
    color: var(--main-color);
}

.content-head::before {
    display: inline-block;
    padding: 0.75em 1.25em;
    font-size: 12px;
    letter-spacing: 0.05em;
    border: 1px solid var(--main-color);
    border-radius: 2em;
}

#membership {
    padding: 90px 0;
    background: linear-gradient(90deg, #b5d9ee, #cad6f5, #ded3ec);
}

#membership .content-head::before  {
    content: "MEMBERSHIP";
}

.content-text {
    font-size: 18px;
    font-weight: bold;
    line-height: 2;
    text-align: center;
}

.membership-table-wrap {
    margin-top: 60px;
}

.membership-table {
    width: 100%;
    border-collapse: collapse;
}

.membership-table th,
.membership-table td {
    padding: 1em;
    border: 1px solid #999999;
    white-space: nowrap;
}

.membership-table tr.rank th,
.membership-table tr.rank td {
    border-bottom: 2px solid #333;
}

.membership-table tr.rank td {
    width: 105px;
}

.membership-table tr:last-of-type th,
.membership-table tr:last-of-type td {
    height: 5.5em;
}

.membership-table tr:last-of-type th {
    background-color: var(--main-color);
    color: #fff;
}

.membership-table tr:last-of-type td {
    background-color: #eef1f7;
    color: var(--main-color);
}

.membership-table th {
    background-color: #d4dde2;
    font-size: 14px;
    font-weight: bold;
    vertical-align: middle;
}

.membership-table td {
    font-size: 14px;
    font-weight: bold;
    text-align: center;
    vertical-align: middle;
    letter-spacing: 0.01em;
    line-height: 1.3;
    background-color: #fff;
}

.membership-table td .normal {
    font-weight: normal;
}

.membership-table td .num {
    font-size: 18px;
}

.membership-table td:nth-of-type(2n) {
    background-color: #edf4fa;
}

.membership-table tr:last-of-type td:nth-of-type(2n) {
    background-color: #e2e6f1;
}

.membership-table tr:last-of-type td:nth-of-type(8) {
    background-color: #8999c6;
    color: #fff;
}

.membership-table tr:last-of-type td:nth-of-type(9) {
    background-color: #4f66aa;
    color: #fff;
}

.membership-table tr:last-of-type td:nth-of-type(10) {
    background-color: #14338d;
    color: #fff;
}

.membership-rank {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.membership-rank img {
    width: 60px;
    height: auto;
}

.membership-rank span {
    font-size: 10px;
    font-weight: bold;
    text-align: center;
}

.attention {
    font-size: 10px;
    font-weight: normal;
    filter: opacity(0.8);
}

.membership-table-wrap + .attention {
    margin-top: 15px;
    text-align: right;
}

#flow {
    padding: 90px 0;
    /* background-color: #e6e8ef; */
}

#flow .content-head::before  {
    content: "FLOW";
}

.flow-list-wrap {
    margin-top: 110px;
}

.flow-list {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
}

.flow-list li {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    gap: 25px;
    width: calc(100% / 3);
    padding: 85px 0 50px 0;
}

.flow-step-img {
    position: absolute;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 120px;
    height: 120px;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    border-radius: 60px;
    z-index: 1;
}

.flow-list li:nth-of-type(1) {
    background-color: #eef1f7;
    border-radius: 20px 0 0 20px;
}

.flow-list li:nth-of-type(1) .flow-step-img {
    background-color: #8999c6;
}

.flow-list li:nth-of-type(2) {
    background-color: #e2e6f1;
}

.flow-list li:nth-of-type(2) .flow-step-img {
    background-color: #4f66aa;
}

.flow-list li:nth-of-type(3) {
    background-color: #cad1e5;
    border-radius: 0 20px 20px 0;
}

.flow-list li:nth-of-type(3) .flow-step-img {
    background-color: var(--main-color);
}

.flow-step-num {
    font-size: 16px;
    font-weight: bold;
    color: var(--main-color);
}

.flow-step-name {
    font-size: 24px;
    font-weight: bold;
}

.flow-step-date {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 15px 0;
    width: 100%;
    background: linear-gradient(90deg, #8ba9be, #6c8fab);
    color: #fff;
    font-size: 18px;
    font-weight: bold;
    text-align: center;
}

.flow-step-date::before {
    content: "\4F8B";
    display: flex;
    justify-content: center;
    align-items: center;
    width: 24px;
    height: 24px;
    background-color: #fff;
    font-size: 13px;
    font-weight: bold;
    color: #6c8fab;
    border-radius: 12px;
}

.flow-step-date::after {
    position: absolute;
    content: "";
    display: block;
    width: 15px;
    height: 100%;
    top: 0;
    right: 0;
    transform: translateX(100%);
    aspect-ratio: 1/2;
    clip-path: polygon(0 0,100% 50%,0 100%);
    background: #6c8fab;
    z-index: 1;
}

.flow-list li:nth-of-type(3) .flow-step-date::after {
    display: none;
}

.flow-content {
    position: relative;
    width: calc(100% - 90px);
    margin-top: 15px;
    margin-inline: auto;
    padding: 25px;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 0 30px rgba(21 51 141 / 0.05);
}

.flow-content::before {
    content: "";
    display: block;
    width: 50px;
    height: 45px;
    margin-inline: auto;
    margin-bottom: 15px;
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
}

.flow-list li:nth-of-type(1) .flow-content::before {
    display: none;
}

.flow-list li:nth-of-type(2) .flow-content::before {
    background-image: url(../img/flow_content_icon01.png);
}

.flow-list li:nth-of-type(3) .flow-content::before {
    background-image: url(../img/flow_content_icon02.png);
}

.flow-list li:nth-of-type(1) .flow-content {
    width: 100%;
    margin-top: 0;
    padding: 15px 0 0 10px;
    background-color: transparent;
    box-shadow: none;
    text-align: right;
}

.flow-content-name {
    margin-bottom: 10px;
    color: var(--main-color);
    font-size: 18px;
    font-weight: bold;
    text-align: center;
}

.flow-content-text {
    font-size: 14px;
    font-weight: bold;
    text-align: center;
    line-height: 2;
}

#lets {
    padding: 20px 0 90px 0;
    background: linear-gradient(90deg, #5ed1e1, #bfc2fe, #e8bddb);
}

.lets-head {
    margin-bottom: 20px;
    text-align: center;
}

.lets-text {
    font-size: 18px;
    font-weight: bold;
    text-align: center;
    line-height: 2;
    color: #fff;
}

.lets-btn-wrap {
    margin-top: 45px;
    text-align: center;
}

.lets-btn {
    font-size: 20px;
}

#note {
    padding: 60px 0;
    background-color: #e2e6f1;
}

.note-head {
    margin-bottom: 20px;
    font-size: 16px;
    font-weight: bold;
}

.note-list {}

.note-list li {
    font-size: 14px;
    line-height: 1.7;
}

.note-list li:not(:last-of-type) {
    margin-bottom: 5px;
}

#bottom {
    padding: 90px 0;
    background: linear-gradient(90deg, var(--main-color), var(--dark-color));
    color: #fff;
}

.bottom-wrap {
    position: relative;
}

#bottom .main-head-catch,
#bottom .main-head-title,
#bottom .main-head-title em.de {
    color: #fff;
}

#bottom .main-head-catch::before, #bottom .main-head-catch::after {
    background-color: #fff;
}

#bottom .main-img {
    top: auto;
    bottom: -185px;
}

footer {
    padding: 75px 0;
    background-color: #333;
    color: #fff;
    text-align: center;
}

.footer-text {
    margin-bottom: 20px;
    font-size: 14px;
}

.footer-copy {
    font-size: 11px;
}

@media (max-width: 1200px) {
    .main-wrap {
        padding-top: 120px;
        min-height: 600px;
    }
    .main-img {
        top: 180px;
        right: -20px;
        width: 600px;
    }
    .main-img img {
        width: 100%;
        height: auto;
    }
    .main-balloon {
        top: 80px;
        right: 200px;
    }
    .question-wrap {
        gap: 30px;
    }
    .question-img img {
        width: 40vw;
        height: auto;
    }
    #bottom {
        padding: 60px 0;
    }
    #bottom .main-img {
        top: auto;
        bottom: -135px;
    }
}

@media (max-width: 820px) { /* タブレット用 */
    br.smpbr {
        display: inline;
    }
    .header-wrap {
        height: 70px;
    }
    .header-logo {
        height: 32px;
    }
    .main-wrap {
        padding-top: 90px;
        min-height: auto;
        padding-bottom: 60px;
    }
    .main-head-catch {
        gap: 0 12px;
        margin-bottom: 18px;
        padding-left: 20px;
        font-size: 15px;
    }
    .main-head-catch::before,
    .main-head-catch::after {
        height: 22px;
    }
    .main-head-text {
        font-size: 26px;
    }
    .main-head-title {
        font-size: 38px;
        margin-bottom: 20px;
    }
    .main-head-title strong {
        font-size: 50px;
    }
    .main-head-title em.num {
        font-size: 64px;
    }
    .main-head-title em.de {
        font-size: 26px;
    }
    .main-img {
        top: 130px;
        right: -10px;
        width: 420px;
    }
    .main-balloon {
        top: 50px;
        right: 120px;
        width: 130px;
        height: 130px;
    }
    .main-btn {
        margin-top: 35px;
        font-size: 18px;
    }
    .question-wrap {
        flex-direction: column;
        /* padding: 45px 0; */
        gap: 0;
    }
    #membership,
    #flow {
        padding: 75px 0;
    }
    .question-info {
        width: auto;
    }
    .question-head {
        align-items: center;
        font-size: 28px;
    }
    .question-text {
        text-align: center;
    }
    .question-img {
        display: none;
    }
    .content-head {
        margin-bottom: 45px;
        font-size: 28px;
    }
    .content-text {
        font-size: 16px;
    }
    .membership-table-wrap {
        margin-top: 45px;
        overflow-x: auto;
    }
    .flow-list-wrap {
        margin-top: 90px;
    }
    .flow-list {
        flex-direction: column;
        align-items: stretch;
        gap: 20px;
    }
    .flow-list li {
        width: 100%;
        padding: 40px 0;
    }
    .flow-list li:nth-of-type(1),
    .flow-list li:nth-of-type(2),
    .flow-list li:nth-of-type(3) {
        border-radius: 10px;
    }
    .flow-list li:nth-of-type(1) .flow-content {
        display: none;
    }
    .flow-step-img {
        position: relative;
        width: 100px;
        height: 100px;
        top: auto;
        left: auto;
        transform: none;
    }
    .flow-step-date::after {
        display: none;
    }
    .flow-content-text br {
        display: none;
    }
    #lets {
        padding: 20px 0 75px 0;
        background: linear-gradient(90deg, #5ed1e1, #bfc2fe, #e8bddb);
    }
    #bottom .main-img {
        bottom: -110px;
    }
    footer {
        padding: 60px 0;
    }
}


@media (max-width: 576px) { /* スマホ用 */
    .header-wrap {
        height: 60px;
    }
    .header-logo {
        height: 26px;
    }
    .main-wrap {
        padding-top: 70px;
        padding-bottom: 40px;
        text-align: center;
    }
    .main-head {
        text-align: center;
        letter-spacing: 0.05em;
    }
    .main-head-catch {
        justify-content: center;
        font-size: 12px;
        margin-bottom: 15px;
        padding-left: 10px;
    }
    .main-head-catch::before,
    .main-head-catch::after {
        height: 18px;
    }
    .main-head-text {
        font-size: 20px;
    }
    .main-head-title {
        font-size: 28px;
        margin-top: 5px;
        margin-bottom: 17px;
    }
    .main-head-title strong {
        font-size: 36px;
    }
    .main-head-title em.num {
        font-size: 46px;
    }
    .main-head-title em.de {
        font-size: 20px;
    }
    .main-img {
        position: relative;
        top: auto;
        right: auto;
        width: calc(100% + 10vw);
        margin-top: 30px;
        margin-left: -5vw;
        margin-right: -5vw;
    }
    .main-balloon {
        top: 37%;
        right: auto;
        left: 20px;
        width: 120px;
        height: 120px;
    }
    .main-btn {
        margin-top: 0;
        margin-inline: auto;
        font-size: 16px;
    }
    .content-head {
        font-size: 22px;
        gap: 20px;
        margin-bottom: 30px;
        line-height: 1.5;
    }
    .content-text {
        font-size: 15px;
        text-align: left;
    }
    .content-text br {
        display: none;
    }
    .question-wrap {
        padding: 45px 0;
    }
    .question-head {
        font-size: 20px;
        gap: 20px;
        text-align: center;
    }
    .question-text {
        font-size: 14px;
        text-align: left;
    }
    .question-text br {
        display: none;
    }
    .question-img {
        display: block;
    }
    .question-img img {
        width: 100%;
        height: auto;
    }
    #membership, #flow {
        padding: 45px 0;
    }
    .membership-table-wrap {
        margin-top: 30px;
    }
    .membership-table th, .membership-table td {
        padding: 0.75em;
    }
    .membership-table tr.rank td {
        min-width: 100px;
    }
    .membership-table-wrap + .attention {
        text-align: left;
        line-height: 1.5;
    }
    .flow-list-wrap {
        margin-top: 30px;
    }
    .flow-list li {
        gap: 15px;
        padding: 20px 0;
        overflow: hidden;
    }
    .flow-list li:first-of-type {
        padding-bottom: 0;
    }
    .flow-step-img {
        width: 80px;
        height: 80px;
    }
    .flow-step-img img {
        width: 36px;
        height: auto;
    }
    .flow-step-num {
        font-size: 14px;
    }
    .flow-step-name {
        font-size: 20px;
    }
    .flow-content {
        width: calc(100% - 40px);
        margin-top: 0;
    }
    .flow-content-text br {
        display: inline;
    }
    #lets {
        padding: 20px 0 45px 0;
    }
    .lets-head img {
        width: 100%;
        height: auto;
    }
    .lets-text {
        font-size: 15px;
        text-align: left;
    }
    .lets-btn {
        font-size: 16px;
    }
    .lets-btn-wrap {
        margin-top: 30px;
    }
    #note {
        padding: 45px 0;
    }
    .note-head {
        margin-bottom: 10px;
        font-size: 16px;
    }
    #bottom {
        padding: 45px 0;
    }
    .bottom-wrap {
        text-align: center;
    }
    .bottom-head {
        text-align: center;
    }
    #bottom .main-img {
        bottom: auto;
    }
    footer {
        padding: 45px 0;
    }
    .footer-text {
        margin-bottom: 20px;
        font-size: 13px;
        line-height: 1.7;
    }
}