:root {
    --customBlack: #101010;
    --customBlack-hover: #1d1d1d;
    --customWhite: #d7d7d7;
}

body {
    background-color: var(--systemBG-primary);
}

/* header */

/* */
/* header */

.hdr-ctnr {
    position: fixed;
    width: 100%;
    top: var(--systemSpacing-0);
    z-index: 9998;
    background-color: var(--systemBG-primary);
}

@media (min-width: 601px) {

    .hdr-ctnr {
        background-color: var(--snapShot-header-primary-bg);
        background-color: var(--snapShot-header-secondary-bg);
        backdrop-filter: blur(var(--systemSpacing-20));
        background-blend-mode: color-dodge, normal;
    }
}

.hdr-all-wrp {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: var(--systemSpacing-8) var(--systemSpacing-0);
    margin: var(--systemSpacing-0) var(--systemSpacing-120);
}

.hdr-icon-wrp svg {
    display: block;
    fill: var(--systemPrimary);
    width: var(--systemSpacing-68);
}

.hdr-icon-wrp:hover {
    opacity: 70%;
}

.lang-btn-all-wrp {
    display: flex;
    flex-direction: row;
    align-items: center;
    box-sizing: border-box;

    position: relative;
}

.lang-icon-wrp {    
    border-radius: var(--systemSpacing-9999);
}

.lang-icon-wrp svg {
    display: block;
    fill: var(--systemPrimary);
}

.lang-chevron-wrp {
    display: flex;
    flex-direction: row;
    gap: var(--systemSpacing-8);
    align-items: center;
    padding: var(--systemSpacing-8) var(--systemSpacing-12);
    border-radius: var(--systemSpacing-8);
    transition: background-color 0.2s ease;
}

.lang-chevron-wrp.active {
    background-color: var(--systemBG-secondary);
}

.lang-chevron-wrp:hover {
    background-color: var(--systemBG-secondary);
}

.lang-chevron-wrp .icon-wrp svg {
    display: block;
    fill: var(--systemPrimary);
    transition: transform 0.25s ease;
}

.lang-chevron-wrp.active .icon-wrp svg {
    transform: rotate(-180deg);
}

.current-lang {
    color: var(--systemPrimary);
}

.lang-size {
    font-size: var(--ch-fontSize);
}

.other-lang-ctnr {
    display: flex;
    flex-direction: column;

    position: absolute;
    top: var(--systemSpacing-40);
    right: var(--systemSpacing-0);

    background-color: var(--systemBG);
    width: inherit;
    height: fit-content;
    z-index: 9999;
    border-radius: var(--systemSpacing-8);

    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease;

    box-shadow: var(--systemSpacing-0) var(--systemSpacing-0) var(--systemSpacing-20) var(--systemSpacing-0) var(--systemDim-10);
}

.other-lang-ctnr.active {
    opacity: 1;
    visibility: visible;
}

.other-lang-wrp {
    overflow: hidden;
}

.other-lang {
    color: var(--systemPrimary);
    padding: var(--systemSpacing-8) var(--systemSpacing-12);
    width: 100%;
    display: block;
    text-align: left;
}

.other-lang:hover {
    background-color: var(--systemBG-secondary);
    border-radius: var(--systemSpacing-8);
}

.other-lang-all-wrp {
    display: flex;
    flex-direction: column;
    gap: var(--systemSpacing-4);
    padding: var(--systemSpacing-4);
}

.lang-jp {
    cursor: default;
    font-size: var(--ch-fontSize);
    color: var(--systemQuaternary);
    padding: var(--systemSpacing-8) var(--systemSpacing-12);
    width: 100%;
    display: block;
    text-align: left;
}

/**/
/* main */

.main-all-wrp {
    position: relative;
    overflow: visible;
    margin: var(--systemSpacing-0) var(--systemSpacing-120);
}

/* top section grid */

.topSecGrid {
    display: grid;
    grid-gap: var(--systemSpacing-20);
    grid-template-columns: repeat(6, 1fr);
    grid-template-rows: repeat(1, 1fr);
    grid-auto-flow: row;
    grid-template-rows: auto;
    margin-bottom: var(--systemSpacing-80);
}

.topSecPos-title {
    grid-column: 1 / 2;
    grid-row: 1 / 2;
}

.topSecPos-alpha {
    grid-column: 3 / 4;
    grid-row: 1 / 2;
}

.topSecPos-icon {
    grid-column: 7 / 7;
    grid-row: 1 / 2;
}

.sec-tl, .sec-part {
    font-size: var(--hl-fontSize);
    font-weight: 600;
    color: var(--systemPrimary);
}

/* */
/* media query */

@media screen and (max-width: 1294px) {


       /* header */
    
    .hdr-all-wrp {
        margin: var(--systemSpacing-0) var(--systemSpacing-40);
    }

    .main-all-wrp {
        margin: var(--systemSpacing-0) var(--systemSpacing-40);
    }
}

@media screen and (max-width: 960px) {

    /* top section grid */

    .topSecPos-alpha {
        grid-column: 2 / 3;
        grid-row: 1 / 2;
    }
    
    .sec-tl, .sec-part {
        font-size: var(--ch-fontSize);
    }

    .topSecGrid {
        display: grid;
        grid-gap: var(--systemSpacing-20);
        grid-template-columns: repeat(6, 1fr);
        grid-template-rows: repeat(1, 1fr);
        grid-auto-flow: row;
        grid-template-rows: auto;
        margin-bottom: var(--systemSpacing-60);
    }
}