/* fontsize commmon  ------------------------------------------------------------------------- */
.fontsize-4 {
    font-size: 0.75rem;
}

.fontsize-2 {
    font-size: 0.875rem;
}

.fontsize0 {
    font-size: 1rem;
}

.fontsize2 {
    font-size: 1.125rem;
}

.fontsize4, main .content .chooseBlock .chooseCell p {
    font-size: 1.25rem;
}

.fontsize6, main h1 {
    font-size: 1.375rem;
}

.fontsize8 {
    font-size: 1.5rem;
}

.fontsize10 {
    font-size: 1.625rem;
}

.fontsize12 {
    font-size: 1.75rem;
}

.fontsize14 {
    font-size: 1.875rem;
}

.fontsize16 {
    font-size: 2rem;
}

.fontsize18 {
    font-size: 2.125rem;
}

/* functional mixin  ------------------------------------------------------------------------- */
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 {
    vertical-align: baseline;
    font: inherit;
    font-size: 100%;
    line-height: normal;
    border: 0;
    outline: none;
    user-select: none;
    margin: 0;
    padding: 0;
}

/* HTML5 display-role reset for older browsers */
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;
}

* {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}
*:focus {
    outline: none;
}

input, select, button, textarea {
    display: inline-block;
    vertical-align: middle;
    font: inherit;
    white-space: normal;
    border: 0;
    background: none;
    appearance: none;
    margin: 0;
    padding: 0;
}
input::-ms-clear, select::-ms-clear, button::-ms-clear, textarea::-ms-clear {
    display: none;
}
input::-ms-reveal, select::-ms-reveal, button::-ms-reveal, textarea::-ms-reveal {
    display: none;
}

textarea {
    overflow: auto;
}

select {
    appearance: none;
}
select::-ms-expand {
    display: none;
}

input[type=date] {
    appearance: none;
}
input[type=date]::-webkit-inner-spin-button, input[type=date]::-webkit-calendar-picker-indicator {
    display: none;
    -webkit-appearance: none;
    margin: 0;
}

hr {
    height: 0;
    overflow: visible;
    box-sizing: content-box;
}

a {
    background-color: transparent;
}

b, strong {
    font-weight: bolder;
}

img {
    border-style: none;
}

button, input {
    overflow: visible;
}

button, [type=button], [type=reset], [type=submit] {
    -webkit-appearance: button;
}
button::-moz-focus-inner, [type=button]::-moz-focus-inner, [type=reset]::-moz-focus-inner, [type=submit]::-moz-focus-inner {
    border-style: none;
    padding: 0;
}

[type=number]::-webkit-inner-spin-button, [type=number]::-webkit-outer-spin-button {
    height: auto;
}

[type=search] {
    -webkit-appearance: textfield;
    outline-offset: -2px;
}
[type=search]::-webkit-search-decoration {
    -webkit-appearance: none;
}

::-webkit-file-upload-button {
    -webkit-appearance: button;
    font: inherit;
}

[hidden] {
    display: none;
}

::-webkit-search-decoration {
    display: none;
}

/* Global/Compontent CSS  -------------------------------------------------------------------- */
html, body {
    font-size: 16px;
    position: relative;
    width: 100vw;
    overflow: hidden;
    font-family: Arial, Microsoft JhengHei;
    background: #3F4446;
    margin: 0;
    padding: 0;
}
@media (max-width: 768px) {
    html, body {
        font-size: 14px;
    }
}
@media (max-width: 360px) {
    html, body {
        font-size: 12px;
    }
}

*::-webkit-scrollbar {
    border-radius: 4px;
    width: 8px;
    height: 8px;
    background: fade(#343434, 30%) ;
}
*::-webkit-scrollbar-thumb {
    border-radius: 4px;
    background: #51585B;
}

p {
    color: #FFFFFF;
}

.center {
    text-align: center !important;
}

.left {
    text-align: left !important;
}

.right {
    text-align: right !important;
}

main {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-direction: row;
}
main h1 {
    text-align: left;
    font-weight: bold;
    color: #FFFFFF;
}
main .left_Area {
    position: relative;
    width: 20rem;
    height: 100vh;
    height: calc(100vh - env(safe-area-inset-top) - env(safe-area-inset-bottom));
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}
main .left_Area:before {
    content: "";
    position: absolute;
    top: calc((100vh - 568px) / 2);
    left: -20rem;
    width: 568px;
    height: 568px;
    z-index: 0;
    border-radius: 170px;
    background: linear-gradient(to left, #51585B 0%, #3F4446 50%);
    transform: rotate(45deg);
}
main .left_Area img {
    position: relative;
    max-width: 5.2rem;
    max-height: 7.4rem;
    z-index: 1;
}
main .left_Area img:nth-of-type(2) {
    display: none;
    position: absolute;
    top: 2.8rem;
    left: 12%;
    max-width: 9rem;
    max-height: 4rem;
    background-size: contain;
}
main .content {
    width: 100%;
    max-width: 550px;
    max-height: 90vh;
    overflow-x: hidden;
    overflow-y: auto;
    z-index: 1;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 0 1.25rem;
}
main .content .contentTitle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.25rem;
}
main .content .contentTitle.center {
    justify-content: center;
}
main .content .chooseBlock {
    width: 100%;
}
main .content .chooseBlock .chooseCell {
    display: flex;
    justify-content: center;
    align-items: center;
    background: url("../img/ic-arrow-right.svg") no-repeat center right 1.25rem/20px rgba(255, 255, 255, 0.1);
    border-radius: 30px;
    padding: 1rem 1.25rem;
    transition: all 0.3s ease-in-out;
    cursor: pointer;
}
main .content .chooseBlock .chooseCell:hover {
    background: url("../img/ic-arrow-right.svg") no-repeat center right 0.8rem/20px rgba(255, 255, 255, 0.2);
}
main .content .chooseBlock .chooseCell:not(:nth-last-child(1)) {
    margin-bottom: 2.25rem;
}
main .content .chooseBlock .chooseCell p {
    font-weight: bold;
    letter-spacing: 0.1rem;
    margin-left: 1.5rem;
}
main .content .chooseBlock .chooseCell img {
    height: 40px;
}
main .right_Area {
    position: relative;
    width: 20rem;
    height: 100vh;
    height: calc(100vh - env(safe-area-inset-top) - env(safe-area-inset-bottom));
}
main .right_Area:before {
    content: "";
    position: absolute;
    width: 568px;
    height: 568px;
    top: -20rem;
    right: -15rem;
    border-radius: 170px;
    background: linear-gradient(to bottom, #51585B 30%, #3F4446 100%);
    transform: rotate(315deg);
}
main .right_Area:after {
    content: "";
    position: absolute;
    width: 770px;
    height: 770px;
    bottom: -35rem;
    right: -25rem;
    border-radius: 170px;
    background: linear-gradient(to bottom, #3F4446 50%, #51585B 100%);
    transform: rotate(225deg);
}

@media all and (max-width: 1180px) {
    main .left_Area:before {
        left: -22rem;
    }
    main .right_Area:before {
        right: -18rem;
    }
    main .right_Area:after {
        right: -28rem;
    }
}
@media all and (max-width: 1000px) {
    html, body {
        overflow-x: hidden;
        overflow-y: auto;
    }
    main {
        flex-direction: column;
        padding: 0 1.7rem 1.7rem;
    }
    main .left_Area {
        width: 100vw;
        height: 6.5rem;
        margin-top: 2rem;
    }
    main .left_Area:before {
        width: 568px;
        height: 568px;
        top: -28rem;
        left: calc((100vw - 568px) / 2);
        left: unset;
        border-radius: 170px;
    }
    main .left_Area img {
        max-width: 7rem;
        max-height: 7rem;
    }
    main .content {
        height: auto;
        height: fit-content;
        max-height: fit-content;
        margin-top: 6rem;
    }
    main .right_Area {
        display: none;
    }
}
@media all and (max-width: 860px) {
    main .left_Area {
        margin-top: 0;
    }
    main .left_Area img {
        display: none;
    }
    main .left_Area img:nth-of-type(2) {
        display: block;
    }
    main .left_Area:before {
        left: -8rem;
    }
    main .content {
        margin-top: 0;
    }
    main .content .contentTitle {
        margin-top: 5rem;
    }
}
@media all and (max-width: 768px) {
    main .left_Area:before {
        top: -34rem;
        left: -11rem;
    }
    main .left_Area img:nth-of-type(2) {
        left: 2.95rem;
        max-width: 10rem;
        max-height: 3rem;
    }
    main .content {
        width: 100%;
    }
}
@media all and (max-width: 500px) {
    main .content .contentTitle {
        flex-direction: column;
        margin-bottom: 2.5rem;
    }
    main .content .contentTitle h1 {
        width: 100%;
    }
    main .content .contentTitle.center h1 {
        text-align: center;
    }
    main .content .chooseBlock {
        width: 100%;
    }
    main .content .chooseBlock .chooseCell {
        display: flex;
        flex-direction: column;
        padding: 1.143rem;
    }
    main .content .chooseBlock .chooseCell img {
        height: 50px;
        margin-bottom: 1.714rem;
    }
    main .left_Area:before {
        top: -35rem;
        left: -15rem;
    }
    main .left_Area img:nth-of-type(2) {
        max-width: 9rem;
    }
}
@media all and (max-width: 360px) {
    main .left_Area:before {
        top: -42rem;
        left: -19rem;
    }
    main .content {
        max-width: 100%;
        min-width: 100%;
        padding: 0;
    }
}