@charset "utf-8";

/* =========================
   Font
========================= */
@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-1Thin.woff2') format('woff2');
    font-weight: 100;
    font-display: swap;
}
@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-2ExtraLight.woff2') format('woff2');
    font-weight: 200;
    font-display: swap;
}
@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-3Light.woff2') format('woff2');
    font-weight: 300;
    font-display: swap;
}
@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-4Regular.woff2') format('woff2');
    font-weight: 400;
    font-display: swap;
}
@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-5Medium.woff2') format('woff2');
    font-weight: 500;
    font-display: swap;
}
@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-6SemiBold.woff2') format('woff2');
    font-weight: 600;
    font-display: swap;
}
@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-7Bold.woff2') format('woff2');
    font-weight: 700;
    font-display: swap;
}
@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-8ExtraBold.woff2') format('woff2');
    font-weight: 800;
    font-display: swap;
}
@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-9Black.woff2') format('woff2');
    font-weight: 900;
    font-display: swap;
}

@font-face {
    font-family: 'Pretendard';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-Regular.woff2') format('woff2');
    font-weight: 400;
    font-display: swap;
}
@font-face {
    font-family: 'Pretendard';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-Medium.woff2') format('woff2');
    font-weight: 500;
    font-display: swap;
}
@font-face {
    font-family: 'Pretendard';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-SemiBold.woff2') format('woff2');
    font-weight: 600;
    font-display: swap;
}
@font-face {
    font-family: 'Pretendard';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-Bold.woff2') format('woff2');
    font-weight: 700;
    font-display: swap;
}
@font-face {
    font-family: 'Pretendard';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-ExtraBold.woff2') format('woff2');
    font-weight: 800;
    font-display: swap;
}

/* =========================
   Reset
========================= */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
* {
    font-family: "Pretendard", sans-serif;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: "Pretendard", "Noto Sans KR", "Malgun Gothic", sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #111111;
    background: #f4f6f8;
    min-width: 320px;
    padding-bottom: 60px;
}
img {
    display: block;
    max-width: 100%;
    height: auto;
}
a {
    color: inherit;
    text-decoration: none;
}
ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}
button,
input,
select,
textarea {
    font: inherit;
}
button {
    cursor: pointer;
    background: none;
    border: 0;
}

/* =========================
   Variables
========================= */
:root {
    --site-max-width: 1300px;
    --header-topbar-height: 30px;
    --header-main-height: 76px;
    --header-height: calc(var(--header-topbar-height) + var(--header-main-height));
    --footer-height: 60px;
    --hero-height: 300px;
    --content-gap: 24px;
    --leftwing-width: 280px;
    --color-bg: #f4f6f8;
    --color-surface: #ffffff;
    --color-surface-soft: #f8fbff;
    --color-border: #d9dee5;
    --color-text: #111111;
    --color-heading: #132236;
    --color-muted: #5f6b7a;
    --color-primary: #1259c3;
    --color-primary-dark: #0d3f8a;
    --color-primary-soft: rgba(18, 89, 195, 0.08);
    --color-darkbar: #1c2430;
    --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 14px 28px rgba(0, 0, 0, 0.10);
}

/* =========================
   Base
========================= */
.page_site {
    position: relative;
    min-height: 100vh;
}
.page_top_spacer {
    margin-top: var(--header-height);
}

/* =========================
   Header
========================= */
.page_header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 2000;
}
.page_header_topbar {
    height: var(--header-topbar-height);
    background: var(--color-darkbar);
    color: #ffffff;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.page_header_topbar_inner {
    width: 100%;
    max-width: var(--site-max-width);
    height: 100%;
    margin: 0 auto;
    padding: 1px 20px 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    font-size: 13px;
}
.topbar_status,
.topbar_links {
    display: flex;
    align-items: center;
    gap: 14px;
}
.status_dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #3ddc84;
    display: inline-block;
    box-shadow: 0 0 0 4px rgba(61, 220, 132, 0.15);
}
.topbar_links a {
    color: rgba(255,255,255,0.92);
    display: inline-block;
    padding: 1px 0 0 0;
}
.topbar_links a:hover {
    color: #ffffff;
    text-decoration: underline;
}
.page_header_main {
    height: var(--header-main-height);
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
}
.page_header_inner {
    width: 100%;
    max-width: var(--site-max-width);
    height: 100%;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}
.site_logo {
    display: block;
	margin: -5px 0 0 0;
	
}
.site_logo a {
    display: inline-block;
    line-height: 1;
}
.site_logo div {
    font-size: 15px;
    font-weight: 200;
    letter-spacing: 5.4px;
    margin: -10px 0 0 0;
}
@media (max-width: 689px) {
	.site_logo {margin: -10px 0 0 0;}
	.site_logo div {
		font-size: 12.3px;
		letter-spacing: 3px;
		margin: -10px 0 0 0;
	}
}

/* =========================
   Navigation
========================= */
.site_nav {
    display: flex;
    align-items: center;
}
.gnb {
    display: flex;
    align-items: center;
    gap: 8px;
}
.menu_item {
    position: relative;
}
.menu_item > a {
    display: inline-flex;
    align-items: center;
    min-height: 48px;
    padding: 0 16px;
    font-size: 17px;
    font-weight: 700;
    color: #1d2a36;
    border-radius: 12px;
    transition: color 0.2s ease, background 0.2s ease;
}
.menu_item > a:hover,
.menu_item > a.is-active {
    color: var(--color-primary);
    background: rgba(18, 89, 195, 0.06);
}
.menu_item.has_sub {
    padding-right: 26px;
}
.submenu_toggle {
    position: absolute;
    top: 50%;
    right: 6px;
    width: 18px;
    height: 18px;
    transform: translateY(-50%);
}
.submenu_toggle::before,
.submenu_toggle::after {
    content: "";
    position: absolute;
    top: 8px;
    left: 3px;
    width: 10px;
    height: 2px;
    background: #556270;
    transition: transform 0.2s ease;
}
.submenu_toggle::after {
    transform: rotate(90deg);
}
.menu_item.sub_open .submenu_toggle::after {
    transform: rotate(0deg);
}
.sub_menu {
    position: absolute;
    left: 0;
    top: calc(100% - 6px);
    min-width: 210px;
    padding: 10px 0;
    background: #ffffff;
    border: 1px solid #d8e0e8;
    border-radius: 14px;
    box-shadow: 0 14px 30px rgba(0,0,0,0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    z-index: 2500;
}
.sub_menu li a {
    display: block;
    padding: 10px 16px;
    font-size: 16px;
    font-weight: 600;
    color: #273444;
    white-space: nowrap;
}
.sub_menu li a:hover {
    background: #f3f7fc;
    color: var(--color-primary);
}
@media (min-width: 691px) {
    .menu_item.has_sub:hover > .sub_menu,
    .menu_item.has_sub:focus-within > .sub_menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    .page_header {
        overflow: visible;
    }
}

/* =========================
   Hamburger
========================= */
.menu_toggle {
    display: none;
    width: 44px;
    height: 44px;
    position: relative;
    border-radius: 10px;
    border: 1px solid #d8e0e8;
    background: #ffffff;
}
.menu_toggle span {
    position: absolute;
    left: 10px;
    width: 22px;
    height: 2px;
    background: #1d2a36;
    transition: all 0.25s ease;
}
.menu_toggle span:nth-child(1) { top: 13px; }
.menu_toggle span:nth-child(2) { top: 20px; }
.menu_toggle span:nth-child(3) { top: 27px; }

.menu_toggle.is_open span:nth-child(1),
.menu_toggle.active span:nth-child(1) {
    top: 20px;
    transform: rotate(45deg);
}
.menu_toggle.is_open span:nth-child(2),
.menu_toggle.active span:nth-child(2) {
    opacity: 0;
}
.menu_toggle.is_open span:nth-child(3),
.menu_toggle.active span:nth-child(3) {
    top: 20px;
    transform: rotate(-45deg);
}

/* =========================
   Content wrappers
========================= */
.page_contents_wrapper {
    width: 100%;
    padding: 30px 20px;
}
.page_contents_wrapper + .page_contents_wrapper {
    padding-top: 0;
}
.page_contents_wrapper_inner {
    width: 100%;
    max-width: var(--site-max-width);
    margin: 0 auto;
    display: flex;
    gap: var(--content-gap);
}
.page_contents_wrapper_inner_single {
    display: block;
}
.page_contents_single {
    width: 100%;
}
.page_contents_wrapper_inner > .page_contents:only-child {
    flex: 0 0 100%;
    width: 100%;
    max-width: 100%;
}

/* =========================
   Leftwing
========================= */
.page_contents_leftwing {
    width: var(--leftwing-width);
    min-width: var(--leftwing-width);
    position: sticky;
    top: calc(var(--header-height) + 24px);
}
.leftwing_box {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow-soft);
    margin-bottom: 18px;
}
.leftwing_box_end {
    margin-bottom: 0;
}
.leftwing_box h3 {
    margin: 0 0 14px 0;
    font-size: 18px;
    font-weight: 800;
    color: #162333;
}
.leftwing_box ul li + li {
    margin-top: 10px;
}
.leftwing_box a {
    color: #29435f;
    font-weight: 600;
}
.leftwing_box a:hover {
    color: var(--color-primary);
}
.leftwing_box p {
    margin: 0 0 10px 0;
    color: var(--color-muted);
    font-size: 14px;
}
.leftwing_box p:last-child {
    margin-bottom: 0;
}

.leftwing_mobile_toggle {
    display: none;
    width: 100%;
    min-height: 54px;
    padding: 0 18px;
    border: 1px solid var(--color-border);
    border-radius: 16px;
    background: #ffffff;
    box-shadow: var(--shadow-soft);
    text-align: left;
    position: relative;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.leftwing_mobile_toggle_label {
    display: inline-block;
    font-size: 13px;
    font-weight: 800;
    color: #5c6b7a;
    margin-right: 10px;
    white-space: nowrap;
}
.leftwing_mobile_toggle_value {
    flex: 1;
    min-width: 0;
    display: inline-block;
    font-size: 15px;
    font-weight: 700;
    color: #1c2d3f;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.leftwing_mobile_toggle_arrow {
    position: relative;
    width: 14px;
    height: 14px;
    flex: 0 0 14px;
}
.leftwing_mobile_toggle_arrow::before,
.leftwing_mobile_toggle_arrow::after {
    content: "";
    position: absolute;
    top: 6px;
    width: 8px;
    height: 2px;
    background: #4d5d6d;
    transition: transform 0.2s ease;
}
.leftwing_mobile_toggle_arrow::before {
    left: 0;
    transform: rotate(45deg);
}
.leftwing_mobile_toggle_arrow::after {
    right: 0;
    transform: rotate(-45deg);
}
.page_contents_leftwing.is_open .leftwing_mobile_toggle_arrow::before {
    transform: rotate(-45deg);
}
.page_contents_leftwing.is_open .leftwing_mobile_toggle_arrow::after {
    transform: rotate(45deg);
}
.leftwing_dropdown {
    display: block;
}

/* =========================
   Content box
========================= */
.page_contents {
    flex: 1 1 auto;
    min-width: 0;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow-soft);
    min-height: 200px;
}
.page_not_found h2 {
    margin: 0 0 10px 0;
    font-size: 28px;
    font-weight: 800;
}
.page_not_found p {
    margin: 0;
    color: var(--color-muted);
}

/* =========================
   Section heading
========================= */
.section_heading {
    margin-bottom: 22px;
}
.section_heading h2 {
    margin: 0 0 8px 0;
    font-size: 30px;
    line-height: 1.2;
    font-weight: 800;
    color: var(--color-heading);
    letter-spacing: -0.02em;
}
.section_heading p {
    margin: 0;
    color: #667788;
    font-size: 15px;
}

/* =========================
   Grid content
========================= */
.content_sitelink_boxes {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}
.content_grid_boxes {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}
.grid_box {
    display: block;
    min-width: 0;
    border: 1px solid var(--color-border);
    border-radius: 9px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.grid_box:hover {
    transform: translateY(-4px);
    border-color: #bfd4ec;
    box-shadow: var(--shadow-medium);
}
.grid_box_inner {
    padding: 22px 20px;
}
.sitelink {
    min-height: 243px;
}
.grid_box_kicker {
    display: inline-block;
    margin-bottom: 12px;
    padding: 5px 10px;
    border-radius: 999px;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.02em;
}
.grid_box h3 {
    margin: 0 0 10px 0;
    font-size: 22px;
    line-height: 1.25;
    font-weight: 800;
    color: #14263d;
    letter-spacing: -0.02em;
}
.grid_box p {
    margin: 0;
    font-size: 14px;
    color: #5f7081;
}

/* =========================
   Document content
========================= */
.page_contents_document {
    padding: 34px 36px;
}
.document_content {
    max-width: 960px;
}
.document_content h3 {
    margin: 28px 0 10px;
    font-size: 24px;
    line-height: 1.3;
    font-weight: 800;
    color: #16263d;
    letter-spacing: -0.02em;
}
.document_content p {
    margin: 0 0 16px 0;
    font-size: 16px;
    line-height: 1.85;
    color: #334455;
}
.document_content ul,
.document_content ol {
    margin: 0 0 16px 20px;
    padding: 0;
}
.document_content ul {
    list-style: disc;
}
.document_content ol {
    list-style: decimal;
}
.document_content li {
    margin-bottom: 8px;
    color: #334455;
}

/* =========================
   Footer
========================= */
.page_footer {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    height: var(--footer-height);
    z-index: 1800;
    background: rgba(12,20,31,0.97);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255,255,255,0.08);
}
.page_footer_inner {
    width: 100%;
    max-width: var(--site-max-width);
    height: 100%;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    color: rgba(255,255,255,0.88);
}
.footer_left,
.footer_right {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}
.footer_left strong {
    font-size: 15px;
    font-weight: 800;
    color: #ffffff;
	vertical-align: middle;
}
.footer_left span,
.footer_right span {
    font-size: 15px;
    color: rgba(255,255,255,0.72);
	vertical-align: middle;
}

/* =========================
   Responsive
========================= */
@media (max-width: 1100px) {
    :root {
        --leftwing-width: 240px;
    }
}

@media (max-width: 1024px) {
    .content_grid_boxes {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 920px) {
    .page_contents_wrapper_inner {
        flex-direction: column;
    }
    .page_contents_leftwing {
        width: 100%;
        min-width: 0;
        position: relative;
        top: auto;
        margin-bottom: 4px;
    }
    .leftwing_mobile_toggle {
        display: flex;
    }
    .leftwing_dropdown {
        display: none;
        margin-top: 12px;
        width: 100%;
    }
    .page_contents_leftwing.is_open .leftwing_dropdown {
        display: block;
    }
    .leftwing_box {
        margin-bottom: 12px;
        border-radius: 16px;
    }
    .leftwing_box:last-child {
        margin-bottom: 0;
    }
    .page_contents {
        width: 100%;
        padding: 24px;
        min-height: 0;
    }
    .page_contents_document {
        padding: 24px;
    }
    .section_heading h2 {
        font-size: 26px;
    }
    .grid_box h3 {
        font-size: 20px;
    }
    .content_sitelink_boxes {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 690px) {
    :root {
        --header-topbar-height: 32px;
        --header-main-height: 70px;
        --hero-height: 280px;
        --footer-height: 66px;
    }

    .page_header_topbar_inner,
    .page_header_inner,
    .page_hero_inner,
    .page_footer_inner {
        padding-left: 16px;
        padding-right: 16px;
    }

    .site_logo a {
        font-size: 24px;
    }
    .site_logo a img {
        height: 30px;
    }

    .menu_toggle {
        display: inline-block;
    }

    .site_nav {
        position: absolute;
        top: calc(100% + 2px);
        left: 1px;
        right: 1px;
        display: block;
        background: #ffffff;
        border: 1px solid #d8e0e8;
        border-radius: 0px;
        box-shadow: 0 16px 32px rgba(0,0,0,0.14);
        padding: 10px 0;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(8px);
        transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
        z-index: 2500;
    }

    .site_nav.is_open,
    .site_nav.open {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0);
    }

    .gnb {
        display: block;
    }

    .menu_item {
        border-bottom: 1px solid #eef2f6;
    }
    .menu_item:last-child {
        border-bottom: 0;
    }

    .menu_item > a {
        display: block;
        min-height: 0;
        padding: 14px 16px;
        border-radius: 0;
    }

    .menu_item.has_sub {
        padding-right: 0;
    }

    .submenu_toggle {
        right: 14px;
        top: 20px;
        transform: none;
    }

    .sub_menu {
        position: static;
        min-width: 0;
        border: 0;
        border-radius: 0;
        box-shadow: none;
        padding: 0 0 8px 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        background: #f8fafc;
    }

    .menu_item.sub_open > .sub_menu {
        display: block;
    }

    .sub_menu li a {
        padding: 10px 24px;
    }

    .page_contents_wrapper {
        padding-left: 16px;
        padding-right: 16px;
    }

    .topbar_status {
        gap: 8px;
        font-size: 12px;
    }

    .topbar_links {
        gap: 10px;
        font-size: 12px;
    }

    .page_footer_inner {
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        gap: 2px;
    }
}

@media (max-width: 689px) {
    .content_grid_boxes {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .content_sitelink_boxes {
        grid-template-columns: repeat(1, minmax(0, 1fr));
    }
}

@media (max-width: 560px) {
    .content_grid_boxes,
    .content_sitelink_boxes {
        gap: 14px;
    }
    .grid_box_inner {
        padding: 18px 16px;
    }
    .grid_box h3 {
        font-size: 18px;
    }
    .document_content h3 {
        font-size: 21px;
    }
    .document_content p,
    .document_content li {
        font-size: 15px;
        line-height: 1.75;
    }
}

@media (max-width: 480px) {
    .topbar_status span:last-child {
        display: none;
    }
}