@charset "utf-8";

/* ==============================
   site-wrapper
============================== */
.site-wrapper {
    display: flex;
    flex-flow: column;
    position: relative;
    min-height: 100vh;
    min-width: var(--size-site-min-width);
}
.site-wrapper > * {
    position: relative;
    z-index: 1;
}

/* ==============================
   header-wrapper
============================== */
.header-wrapper {
    flex-shrink: 0;
    position: fixed;
    top: 0;
    left: 0;
    padding: 0 var(--size-4xs);
    width: 100%;
    height: var(--size-site-header-height);
    background-color: transparent;
    transition: background-color 0.2s, backdrop-filter 0.2s, -webkit-backdrop-filter 0.2s;
    z-index: var(--zindex-sticky);
}
.header-wrapper.is-scrolled {
    background-color: var(--color-header-blur-bg);
    backdrop-filter: blur(var(--size-8xs));
    -webkit-backdrop-filter: blur(var(--size-8xs));
}
.header-wrapper .header-wrapper-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0 auto;
    padding: 0;
    width: 100%;
    max-width: var(--size-site-min-width);
    height: 100%;
}
.header-wrapper .header-brand {
    display: flex;
    flex-flow: column;
    justify-content: center;
    align-items: flex-start;
    color: var(--color-site-brand);
}
.header-wrapper .header-brand-logo {
    display: block;
    width: auto;
    height: 28px;
}
.header-wrapper .header-menu-area {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: var(--size-xs);
}
.header-wrapper .header-nav {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: var(--size-xs);
}
.header-wrapper .header-nav a {
    font-size: var(--font-s);
    line-height: var(--line-flat);
    color: var(--color-text);
    transition: color 0.15s;
}
.header-wrapper .header-nav a:hover {
    color: var(--color-site-brand);
}
.header-wrapper .header-nav a.is-active {
    text-decoration: underline;
    text-underline-offset: var(--size-7xs);
    text-decoration-thickness: var(--border-s);
}
.header-wrapper .header-menu-button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: var(--size-header-menu-button-height);
    height: var(--size-header-menu-button-height);
}

/* ==============================
   main-wrapper
============================== */
.main-wrapper {
    flex: 1;
    padding-top: var(--size-site-header-height);
}

/* ==============================
   contents-wrapper
============================== */
.contents-wrapper {
    margin: 0 auto;
    padding: 0;
    width: 100%;
    max-width: var(--size-site-min-width);
}

/* ==============================
   footer-wrapper
============================== */
.footer-wrapper {
    display: flex;
    justify-content: center;
    padding: var(--size-6xl) 0 var(--size-xl);
}
.footer-wrapper .footer-wrapper-inner {
    display: flex;
    flex-flow: column;
    align-items: center;
    gap: var(--size-s);
    padding: 0 var(--size-2xl);
    max-width: var(--size-site-min-width);
}
.footer-wrapper .footer-family {
    display: flex;
    justify-content: center;
    margin-bottom: calc(-1 * var(--size-6xs));
}
.footer-wrapper .footer-family-link {
    display: inline-flex;
    align-items: center;
    gap: var(--size-7xs);
    padding: var(--size-6xs) var(--size-s);
    border: 1px solid var(--color-site-line);
    border-radius: 999px;
    text-decoration: none;
    transition: border-color 0.2s, background-color 0.2s;
}
.footer-wrapper .footer-family-link:hover {
    border-color: var(--color-text-sub);
    background-color: var(--color-site-bg);
}
.footer-wrapper .footer-family-label {
    font-family: var(--font-light);
    font-size: var(--font-3xs);
    color: var(--color-text-disabled);
    letter-spacing: 0.04em;
}
.footer-wrapper .footer-family-name {
    font-family: var(--font-bold-point);
    font-size: var(--font-xs);
    color: var(--color-text);
}
.footer-wrapper .footer-family-arrow {
    font-size: var(--font-2xs);
    color: var(--color-text-sub);
}
.footer-wrapper .footer-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0 var(--size-8xs);
    font-family: var(--font-light);
    font-size: var(--font-3xs);
    line-height: var(--line-loose);
    text-align: center;
    color: var(--color-text-sub);
    word-break: keep-all;
}
.footer-wrapper .footer-info span {
    white-space: nowrap;
}
.footer-wrapper .footer-info span:not(:last-child)::after {
    content: "ㅣ";
    margin-left: var(--size-8xs);
    color: var(--color-border);
}
.footer-wrapper .footer-note {
    font-family: var(--font-bold-point);
    font-size: var(--font-3xs);
    line-height: var(--line-wide);
    text-align: center;
    word-break: keep-all;
}

/* ==============================
   menu-overlay
============================== */
html.menu-is-open body {
    position: fixed;
    width: 100%;
    overflow: hidden;
}
.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    padding: 0 var(--size-4xs);
    width: 100%;
    height: 100%;
    background-color: var(--color-site-bg-soft);
    z-index: var(--zindex-overlay);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.45s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.45s;
    overflow: hidden;
    box-sizing: border-box;
}
.menu-overlay.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}
.menu-overlay-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
    margin: 0 auto;
    max-width: var(--size-site-min-width);
}
.menu-overlay-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
    height: var(--size-site-header-height);
}
.menu-overlay-brand img {
    height: 28px;
    width: auto;
}
.menu-overlay-close {
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-regular);
    font-size: var(--font-s);
    color: var(--color-text);
    padding: 0;
    letter-spacing: 0.05em;
    transition: color 0.15s;
}
.menu-overlay-close:hover {
    color: var(--color-text-sub);
}
.menu-overlay-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: var(--size-7xs) 0 var(--size-m);
    overflow: hidden;
}
.menu-overlay-item {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--size-3xl);
    border-top: 1px solid var(--color-site-line);
    opacity: 0;
    transform: translateY(var(--size-6xs));
    transition: opacity 0.45s, transform 0.45s;
}
.menu-overlay-item:last-child {
    border-bottom: 1px solid var(--color-site-line);
}
.menu-overlay.is-open .menu-overlay-item:nth-child(1) { opacity: 1; transform: translateY(0); transition-delay: 0.08s; }
.menu-overlay.is-open .menu-overlay-item:nth-child(2) { opacity: 1; transform: translateY(0); transition-delay: 0.14s; }
.menu-overlay.is-open .menu-overlay-item:nth-child(3) { opacity: 1; transform: translateY(0); transition-delay: 0.20s; }
.menu-overlay.is-open .menu-overlay-item:nth-child(4) { opacity: 1; transform: translateY(0); transition-delay: 0.26s; }
.menu-overlay.is-open .menu-overlay-item:nth-child(5) { opacity: 1; transform: translateY(0); transition-delay: 0.32s; }
.menu-overlay.is-open .menu-overlay-item:nth-child(6) { opacity: 1; transform: translateY(0); transition-delay: 0.38s; }
.menu-overlay-left {
    width: 42%;
    flex-shrink: 0;
    padding-right: var(--size-2xl);
}
.menu-overlay-right {
    flex: 1;
}
.menu-overlay-link {
    font-family: var(--font-regular-point);
    font-size: clamp(var(--font-m), 2.4vw, var(--font-3xl));
    line-height: var(--line-tight);
    color: var(--color-text);
    text-decoration: none;
    display: block;
    transition: color 0.2s;
}
.menu-overlay-link:hover {
    color: var(--color-text-sub);
}
.menu-overlay-item.is-active .menu-overlay-link {
    font-family: var(--font-bold-point);
    text-decoration: underline;
    text-underline-offset: var(--size-7xs);
    text-decoration-thickness: var(--border-s);
}
.menu-overlay-item.is-active .menu-overlay-desc,
.menu-overlay-item.is-active .menu-overlay-sublinks a {
    color: var(--color-text);
}
.menu-overlay-desc {
    font-family: var(--font-light);
    font-size: var(--font-2xs);
    line-height: var(--line-wide);
    color: var(--color-text-sub);
    word-break: keep-all;
}
.menu-overlay-sublinks {
    display: flex;
    flex-wrap: wrap;
    gap: var(--size-8xs) var(--size-2xs);
    margin-top: var(--size-5xs);
    list-style: none;
    padding: 0;
}
.menu-overlay-sublinks a {
    font-family: var(--font-medium);
    font-size: var(--font-s);
    color: var(--color-text);
    text-decoration: none;
    border-bottom: var(--border-s) solid var(--color-border);
    padding-bottom: var(--border-s);
    transition: color 0.15s, border-color 0.15s;
}
.menu-overlay-sublinks a:hover {
    color: var(--color-text);
    border-color: var(--color-text);
}

/* ==============================
   loading-wrapper
============================== */
.loading-wrapper {
    display: none;
    flex-flow: column;
    justify-content: center;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--zindex-loading);
}
.loading-wrapper .background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-overlay-white);
}
.loading-wrapper .loading-icon {
    width: var(--size-loading-icon);
    height: var(--size-loading-icon);
    z-index: calc(1 + var(--zindex-loading));
}

@media (max-width: 768px) {
    .site-wrapper {
        padding-inline: var(--size-4xs);
    }

    .header-wrapper {
        padding-inline: var(--size-4xs);
    }
}

/* ==============================
   sub-page-wrap
============================== */
.sub-page-wrap {
    display: flex;
    align-items: flex-start;
    width: 100%;
    max-width: var(--size-site-min-width);
    margin: 0 auto;
    padding: var(--size-xs) 0 var(--size-l);
}
.sub-nav {
    width: var(--size-brand-nav-width);
    flex-shrink: 0;
    position: sticky;
    top: var(--size-sticky-offset);
    padding-right: var(--size-2xs);
}
.sub-nav-page {
    display: block;
    margin-bottom: var(--size-xs);
    font-family: var(--font-bold-point);
    font-size: var(--font-xl);
    line-height: var(--line-flat);
    color: var(--color-text);
}
.sub-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--size-6xs);
}
.sub-nav-link {
    display: flex;
    flex-direction: column;
    gap: var(--size-6xs);
    padding: var(--size-7xs) 0;
    text-decoration: none;
}
.sub-nav-num {
    font-family: var(--font-light);
    font-size: var(--font-4xs);
    line-height: var(--line-flat);
    color: var(--color-text-disabled);
    letter-spacing: 0.08em;
    transition: color 0.25s;
}
.sub-nav-text {
    font-family: var(--font-regular);
    font-size: var(--font-s);
    line-height: var(--line-flat);
    color: var(--color-text-disabled);
    transition: color 0.25s, font-family 0.0s;
    word-break: keep-all;
}
.sub-nav-link:hover .sub-nav-num,
.sub-nav-link.is-active .sub-nav-num {
    color: var(--color-text-sub);
}
.sub-nav-link:hover .sub-nav-text,
.sub-nav-link.is-active .sub-nav-text {
    font-family: var(--font-bold);
    color: var(--color-text);
}
.sub-nav-link.is-active .sub-nav-text {
    text-decoration: underline;
    text-underline-offset: var(--size-7xs);
    text-decoration-thickness: var(--border-s);
}
.sub-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: var(--size-5xl);
    padding-left: var(--size-2xl);
    padding-top: var(--size-m);
}

/* ==============================
   sub-section
============================== */
.sub-section {
    padding: 0;
}
.sub-section > *:last-child {
    margin-bottom: 0;
}
.sub-section-header {
    margin-bottom: var(--size-s);
}
.sub-section-header::before {
    content: '';
    display: block;
    width: var(--size-xs);
    height: 1px;
    background-color: var(--color-border-black);
    margin-bottom: var(--size-s);
}
.sub-section-title {
    display: block;
    margin: 0;
    font-family: var(--font-bold-point);
    font-size: var(--font-3xl);
    line-height: var(--line-flat);
    letter-spacing: -0.02em;
    color: var(--color-text);
}