/* =========================================================
   PRESENTATION / SLIDER COMMON
========================================================= */

.presentation {
    position: relative;
    width: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background: #ffffff;
}


/* =========================================================
   SLIDER TRACK
========================================================= */

.slider-track {
    display: flex;
    width: 100%;
    transition: transform 0.7s ease;
    will-change: transform;
}


/* =========================================================
   SLIDE COMMON
========================================================= */

.slide {
    position: relative;

    flex: 0 0 100%;

    width: 100%;
    aspect-ratio: 16 / 9;

    margin: 0;

    overflow: hidden;

    background: #ffffff;
}


/* =========================================================
   SLIDE INNER
   - 실제 디자인 기준 : 1280 × 720
========================================================= */

.slide-inner {
    position: absolute;

    top: 0;
    left: 0;

    width: 1280px;
    height: 720px;

    transform-origin: top left;
}


/* =========================================================
   SLIDE CONTENT
========================================================= */

.slide-content {
    position: absolute;

    top: 0;
    left: 0;

    width: 1280px;
    height: 720px;

    box-sizing: border-box;

    color: #ffffff;

    z-index: 1;
}


/* =========================================================
   COMMON DIVIDER
   - 모든 슬라이드 동일 스타일
   - 가로 위치만 --divider-left 사용
========================================================= */

.slide-divider {
    position: absolute;

    left: var(--divider-left, 65%);
    top: 15%;

    width: 1px;
    height: 60%;

    background:
        repeating-linear-gradient(
            to bottom,
            #cbd5e1 0,
            #cbd5e1 5px,
            transparent 5px,
            transparent 10px
        );

    pointer-events: none;

    z-index: 2;
}


/* =========================================================
   BACKGROUND IMAGE COMMON
========================================================= */

.slide-bg {
    position: absolute;
    inset: 0;

    width: 100%;
    height: 100%;

    z-index: 0;
}

.slide-bg img {
    display: block;

    width: 100%;
    height: 100%;

    object-fit: fill;
}



/* =========================================================
   SLIDER BUTTON
========================================================= */

.slider-btn {
    position: absolute;

    top: 50%;

    width: 46px;
    height: 70px;

    transform: translateY(-50%);

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 0;

    border: 0;

    background: rgba(15, 23, 42, 0.16);

    color: #ffffff;

    font-size: 22px;

    cursor: pointer;

    z-index: 20;

    opacity: 0;

    transition:
        opacity 0.25s ease,
        background 0.25s ease;
}


.presentation:hover .slider-btn {
    opacity: 1;
}


.slider-btn:hover {
    background: rgba(15, 23, 42, 0.38);
}


.slider-prev {
    left: 0;

    border-radius: 0 8px 8px 0;
}


.slider-next {
    right: 0;

    border-radius: 8px 0 0 8px;
}


/* =========================================================
   SLIDER DOTS
========================================================= */

.slider-dots {
    position: absolute;

    left: 50%;
    bottom: 18px;

    transform: translateX(-50%);

    display: flex;

    gap: 9px;

    z-index: 20;
}


.slider-dot {
    width: 9px;
    height: 9px;

    padding: 0;

    border: 0;
    border-radius: 50%;

    background: rgba(100, 116, 139, 0.42);

    cursor: pointer;

    transition:
        width 0.25s ease,
        border-radius 0.25s ease,
        background 0.25s ease;
}


.slider-dot.active {
    width: 26px;

    border-radius: 10px;

    background: #2563eb;
}



/* =========================================================
   Slide 01 — PLM Total Service
========================================================= */

.slide-01 {
    background: #ffffff;
}


.slide-01 .slide-content {
    z-index: 2;
}


/* ---------- H BLOCK ---------- */

.slide-01 .s1-cube {
    position: absolute;

    left: 23.7%;
    top: 35%;

    width: 23.5%;

    z-index: 0;
}


/* ---------- CAR ---------- */

.slide-01 .s1-car {
    position: absolute;

    left: 81.7%;
    top: 15%;

    width: 14.9%;

    z-index: 0;
}


/* ---------- GUIDE LINES ---------- */

.slide-01 .s1-lines {
    position: absolute;

    top: 0;
    left: 0;

    width: 100%;
    height: 100%;

    z-index: 1;

    pointer-events: none;
}


/* ---------- TITLE ---------- */

.slide-01 .slide-title {
    position: absolute;

    top: 10%;
    left: 0;

    width: 70%;

    margin-bottom: 10px;

    text-align: center;
}


.slide-01 .slide-title h1 {
    margin: 0;

    color: #12325f;

    font-size: 46px;
    font-weight: 700;

    line-height: 1.15;
}


/* ---------- SERVICE BOX ---------- */

.slide-01 .service-item {
    position: absolute;

    padding: 9px 13px;

    overflow: visible;

    border: 1px solid rgba(40, 100, 180, 0.35);
    border-radius: 12px;

    background: rgba(240, 246, 253, 0.75);

    box-shadow:
        0 3px 10px rgba(30, 80, 160, 0.10);
}


.slide-01 .box-consult {
    left: 2%;
    top: 28%;

    width: 21%;
}


.slide-01 .box-si {
    left: 42%;
    top: 28%;

    width: 21%;
}


.slide-01 .box-package {
    left: 2%;
    top: 65%;

    width: 21%;
}


.slide-01 .box-cad {
    left: 42%;
    top: 65%;

    width: 21%;
}


.slide-01 .service-item h3 {
    margin: 0 0 4px;

    color: #15447e;

    font-size: 18px;
    font-weight: 700;

    line-height: 1.2;
}


.slide-01 .service-description {
    color: #44546b;

    font-size: 13px;

    line-height: 1.45;
}


/* ---------- BUSINESS ---------- */

.slide-01 .biz-title {
    position: absolute;

    left: 69%;
    top: 28%;
}


.slide-01 .biz-title h2 {
    margin: 0;

    color: #2f74c8;

    font-size: 24px;
    font-weight: 800;
    font-style: italic;
}


.slide-01 .business-area {
    position: absolute;

    left: 67%;
    top: 38%;

    width: 29%;
}


.slide-01 .business-item {
    margin-bottom: 6%;

    overflow: visible;
}


.slide-01 .business-item h3 {
    margin: 0 0 4px;

    color: #15447e;

    font-size: 18px;
    font-weight: 700;
    font-style: italic;
}


.slide-01 .business-description {
    color: #44546b;

    font-size: 13px;

    line-height: 1.5;
}



/* =========================================================
   Slide 02 — PLM 분야
========================================================= */

.slide-02 {
    background:
        radial-gradient(
            circle at 22% 62%,
            rgba(219, 234, 254, 0.40),
            transparent 32%
        ),
        #ffffff;

    color: #334155;
}


/* =========================================================
   LEFT
========================================================= */

.slide-02 .plm-left {
    position: absolute;

    left: 3%;
    top: 6%;

    width: 34%;
    height: 88%;
}


/* ---------- HEADING ---------- */

.slide-02 .plm-heading {
    position: relative;

    width: fit-content;
}


.slide-02 .plm-heading h1 {
    margin-top: 20px;

    color: #2b3d63;

    font-size: 38px;
    font-weight: 800;

    letter-spacing: -0.04em;
}


.slide-02 .plm-heading h1 .hl-plm {
    color: #3168c9;
}


.slide-02 .heading-line {
    width: 100%;
    height: 3px;

    margin-top: 6px;

    background: #2b4a9b;

    opacity: 0.35;
}


/* ---------- INTRO ---------- */

.slide-02 .plm-intro {
    position: absolute;

    left: 54%;
    top: 0%;

    width: 78%;

    margin-top: 20px;
}


.slide-02 .plm-intro p {
    margin: 0;

    color: #6b7280;

    font-size: 14px;

    line-height: 1.5;

    letter-spacing: -0.03em;
}


/* =========================================================
   FUNCTION CIRCLES
========================================================= */

.slide-02 .plm-function-map {
    position: absolute;

    left: 5%;
    top: 35%;

    width: 92%;

    aspect-ratio: 1 / 0.82;
}


.slide-02 .plm-function-map::before {
    content: "";

    position: absolute;

    left: 2%;
    top: 6%;

    width: 92%;
    height: 88%;

    border-radius: 50%;

    background:
        radial-gradient(
            circle at 50% 45%,
            rgba(226, 220, 236, 0.95),
            rgba(219, 210, 230, 0.75) 60%,
            rgba(219, 210, 230, 0) 78%
        );
}


.slide-02 .function-circle {
    position: absolute;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 4px;

    border-radius: 50%;

    color: #ffffff;

    font-size: 15px;
    font-weight: 700;

    text-align: center;

    line-height: 1.15;

    text-shadow:
        0 1px 2px rgba(0, 0, 0, 0.35);

    box-shadow:
        0 14px 22px rgba(15, 23, 42, 0.22),
        inset 0 -6px 14px rgba(0, 0, 0, 0.25);
}


.slide-02 .function-circle::after {
    content: "";

    position: absolute;

    left: 20%;
    top: 12%;

    width: 42%;
    height: 32%;

    border-radius: 50%;

    background:
        radial-gradient(
            circle at 50% 50%,
            rgba(255, 255, 255, 0.85),
            rgba(255, 255, 255, 0) 70%
        );

    pointer-events: none;
}


/* 업무 프로세스 관리 */

.slide-02 .function-1 {
    left: 29%;
    top: 2%;

    width: 30%;

    aspect-ratio: 1;

    background:
        radial-gradient(
            circle at 34% 28%,
            #c9b6f5,
            #8b5cf6 46%,
            #5b21b6 100%
        );

    z-index: 3;
}


/* 서비스 자료 관리 */

.slide-02 .function-2 {
    left: 1%;
    top: 29%;

    width: 28%;

    aspect-ratio: 1;

    background:
        radial-gradient(
            circle at 34% 28%,
            #dbf0a3,
            #93b83a 46%,
            #566b1a 100%
        );

    z-index: 2;
}


/* 설계 산출물 관리 */

.slide-02 .function-3 {
    left: 57%;
    top: 15%;

    width: 30%;

    aspect-ratio: 1;

    background:
        radial-gradient(
            circle at 34% 28%,
            #b9e0fb,
            #3aa5e6 46%,
            #0b5fa0 100%
        );

    z-index: 2;
}


/* 제품 구조 관리 */

.slide-02 .function-4 {
    left: 22%;
    top: 44%;

    width: 34%;

    aspect-ratio: 1;

    background:
        radial-gradient(
            circle at 34% 28%,
            #f6b4b4,
            #e23b3b 46%,
            #8f1414 100%
        );

    z-index: 5;
}


/* 과제 관리 */

.slide-02 .function-5 {
    left: 52%;
    top: 56%;

    width: 25%;

    aspect-ratio: 1;

    background:
        radial-gradient(
            circle at 34% 28%,
            #b8ef9f,
            #4fb045 46%,
            #256b1c 100%
        );

    z-index: 6;
}


/* 요구 관리 */

.slide-02 .function-6 {
    left: 74%;
    top: 50%;

    width: 24%;

    aspect-ratio: 1;

    background:
        radial-gradient(
            circle at 34% 28%,
            #ffd9a6,
            #f0921a 46%,
            #a85608 100%
        );

    z-index: 4;
}


/* =========================================================
   LEGEND
========================================================= */

.slide-02 .plm-legend {
    position: absolute;

    left: 0;
    bottom: 20%;

    width: 100%;

    font-size: 14px;

    line-height: 1.65;
}


.slide-02 .plm-legend div {
    display: flex;

    gap: 6px;
}


.slide-02 .plm-legend strong {
    color: #2b4a9b;

    white-space: nowrap;
}


.slide-02 .plm-legend strong::after {
    content: " :";
}


.slide-02 .plm-legend span {
    color: #6b7280;
}


/* =========================================================
   RIGHT AREA
========================================================= */

.slide-02 .plm-right {
    position: absolute;

    left: 41%;
    top: 0;

    width: 57%;
    height: 100%;
}


/* =========================================================
   CRM
========================================================= */

.slide-02 .crm-area {
    position: absolute;

    left: 0;
    top: 6%;

    width: 100%;
    height: 24%;
}


.slide-02 .system-box {
    display: flex;
    align-items: center;
    justify-content: center;

    border: 2px solid #cfe0f8;
    border-radius: 12px;

    background:
        linear-gradient(
            180deg,
            #ffffff,
            #f4f9ff
        );

    box-shadow:
        0 4px 12px rgba(37, 99, 235, 0.12);

    color: #2b4a9b;

    font-size: 22px;
    font-weight: 700;
}


.slide-02 .crm-box {
    position: absolute;

    left: 2%;
    top: 8%;

    width: 26%;
    height: 48%;
}


/* CRM → ERP */

.slide-02 .arrow-right {
    position: absolute;

    left: 29%;
    top: 26%;

    width: 32%;
    height: 10px;

    background: #bcd6f5;
}


.slide-02 .arrow-right::after {
    content: "";

    position: absolute;

    right: -16px;
    top: -8px;

    border-left: 16px solid #bcd6f5;
    border-top: 13px solid transparent;
    border-bottom: 13px solid transparent;
}


/* CRM → PLM */

.slide-02 .arrow-down {
    position: absolute;

    left: 14%;
    top: 60%;

    width: 10px;
    height: 58%;

    background: #bcd6f5;
}


.slide-02 .arrow-down::after {
    content: "";

    position: absolute;

    left: -8px;
    bottom: -16px;

    border-top: 16px solid #bcd6f5;
    border-left: 13px solid transparent;
    border-right: 13px solid transparent;
}


/* =========================================================
   ERP
========================================================= */

.slide-02 .erp-area {
    position: absolute;

    right: 9%;
    top: 4%;

    width: 24%;
    height: 65%;

    padding: 14px 46px 10px 14px;

    border: 2px solid #d8d4c7;
    border-radius: 16px;

    background:
        linear-gradient(
            115deg,
            #f2f1ec 0%,
            #e2ddd0 100%
        );

    z-index: 1;
}


.slide-02 .erp-area .area-title {
    margin-bottom: 20px;

    font-size: 22px;

    text-align: center;
}


.slide-02 .erp-items {
    display: flex;
    flex-direction: column;
    align-items: center;

    gap: 20px;
}


.slide-02 .erp-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-width: 5.4em;
    height: 40px;

    padding: 0 7px;

    border: 1px solid #cbd5e1;
    border-radius: 8px;

    background: #ffffff;

    box-shadow:
        0 2px 6px rgba(0, 0, 0, 0.10);

    color: #374151;

    font-size: 15px;
    font-weight: 600;

    white-space: nowrap;
}


.slide-02 .erp-flow {
    position: absolute;

    right: 15%;
    top: 15%;

    width: 3px;
    height: 48%;

    background: #9aa7b8;

    z-index: 5;
}


.slide-02 .erp-flow::after {
    content: "";

    position: absolute;

    left: -6px;
    bottom: -11px;

    border-top: 13px solid #9aa7b8;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
}


.slide-02 .erp-flow span {
    position: absolute;

    left: 6px;
    top: 0;

    color: #64748b;

    font-size: 14px;

    writing-mode: vertical-rl;

    white-space: nowrap;
}


.slide-02 .logistics-box {
    position: absolute;

    left: 41%;
    bottom: 4%;

    transform: translateX(-50%);

    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-width: 5.4em;
    height: 40px;

    padding: 0 7px;

    border: 1px solid #cbd5e1;
    border-radius: 8px;

    background: #ffffff;

    box-shadow:
        0 2px 6px rgba(0, 0, 0, 0.10);

    color: #374151;

    font-size: 15px;
    font-weight: 600;

    white-space: nowrap;

    z-index: 6;
}


.slide-02 .erp-down-arrow {
    display: none;
}


/* =========================================================
   PLM PROCESS
========================================================= */

.slide-02 .plm-area {
    position: absolute;

    left: 0;
    top: 40%;

    width: 100%;
    height: 18%;

    padding: 11px 12px 8px;

    border: 2px solid #dbe4f0;
    border-radius: 14px;

    background:
        linear-gradient(
            180deg,
            rgba(255, 255, 255, 0.99),
            rgba(248, 250, 252, 0.97)
        );

    box-shadow:
        0 6px 16px rgba(15, 23, 42, 0.10);

    opacity: 0.92;

    z-index: 4;
}


.slide-02 .process-items {
    position: relative;

    width: 100%;
    height: 40px;
}


.slide-02 .process-main {
    display: flex;

    gap: 9px;

    width: 66%;
    height: 100%;
}


.slide-02 .process-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-width: 5.4em;
    height: 100%;

    padding: 0 7px;

    border: 1px solid #cbd5e1;
    border-radius: 8px;

    background: #ffffff;

    box-shadow:
        0 2px 6px rgba(0, 0, 0, 0.10);

    color: #374151;

    font-size: 15px;
    font-weight: 600;

    text-align: center;

    white-space: nowrap;
}


.slide-02 .p-yangsan {
    position: absolute;

    top: 0;
    left: 78%;

    transform: translateX(-50%);

    background: #f8fbff;
}


.slide-02 .p-maint {
    position: absolute;

    top: 0;
    left: 94%;

    transform: translateX(-50%);

    background: #ffffff;

    z-index: 5;
}


.slide-02 .plm-flow {
    position: relative;

    height: 26px;

    margin-top: 10px;

    border-top: 3px solid #9aa7b8;
}


.slide-02 .plm-flow span {
    position: absolute;

    left: 1%;
    top: 6px;

    color: #64748b;

    font-size: 14px;
}


.slide-02 .line-arrow {
    position: absolute;

    right: -2px;
    top: -8px;

    border-left: 13px solid #9aa7b8;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
}


.slide-02 .area-title {
    color: #4b5563;

    font-weight: 800;
}


.slide-02 .plm-area .area-title {
    position: absolute;

    left: 50%;
    bottom: 5px;

    transform: translateX(-50%);

    color: #334155;

    font-size: 21px;
}


/* =========================================================
   SCM
========================================================= */

.slide-02 .scm-area {
    position: absolute;

    right: 0;
    bottom: 10%;

    width: 40%;
    height: 26%;
}


.slide-02 .scm-box {
    position: absolute;

    left: 20%;
    bottom: 0;

    width: 72%;
    height: 46%;
}


.slide-02 .scm-arrow {
    position: absolute;

    left: 42%;
    bottom: 48%;

    width: 10px;
    height: 20%;

    background: #bcd6f5;
}


.slide-02 .scm-arrow::after {
    content: "";

    position: absolute;

    left: -8px;
    top: -16px;

    border-bottom: 16px solid #bcd6f5;
    border-left: 13px solid transparent;
    border-right: 13px solid transparent;
}


.slide-02 .scm-right-arrow {
    position: absolute;

    left: 82%;
    bottom: 48%;

    width: 10px;
    height: 65%;

    border: none;
    border-radius: 0;

    background: #bcd6f5;
}


.slide-02 .scm-right-arrow::after {
    content: "";

    position: absolute;

    left: -8px;
    top: -16px;

    border-bottom: 16px solid #bcd6f5;
    border-left: 13px solid transparent;
    border-right: 13px solid transparent;
}



/* =========================================================
   Slide 03 — GM Teamcenter
========================================================= */

.slide-03 {
    background: #ffffff;

    color: #334155;
}


/* =========================================================
   LEFT
========================================================= */

.slide-03 .s3-left {
    position: absolute;

    left: 1%;
    top: 0;

    width: 64%;
    height: 100%;
}


/* =========================================================
   COLLABORATION
========================================================= */

.slide-03 .s3-collaboration {
    position: absolute;

    left: 20%;
    top: 7%;

    width: 535px;
    height: 535px;
}


.slide-03 .s3-ring {
    position: absolute;

    left: 50%;
    top: 50%;

    width: 420px;
    height: 420px;

    transform: translate(-50%, -50%);

    box-sizing: border-box;

    border: 14px solid #dbe4f0;
    border-radius: 50%;

    box-shadow:
        inset 0 0 30px rgba(59, 130, 246, 0.03);
}


.slide-03 .s3-global-center {
    position: absolute;

    left: 50%;
    top: 50%;

    width: 355px;
    height: 355px;

    transform: translate(-50%, -50%);

    overflow: hidden;

    border: 1px dashed #b8c6d9;
    border-radius: 50%;
}


.slide-03 .s3-world-map {
    position: absolute;

    left: 50%;
    top: 50%;

    width: 96%;
    height: auto;

    transform: translate(-50%, -50%);

    opacity: 0.40;

    z-index: 1;
}


.slide-03 .s3-global-title {
    position: absolute;

    left: 50%;
    top: 53%;

    transform: translate(-50%, -50%);

    width: 92%;

    color: #172033;

    font-size: 21px;
    font-weight: 800;

    line-height: 1.25;

    text-align: center;

    letter-spacing: -0.03em;

    z-index: 2;
}


/* =========================================================
   DATA NODE
========================================================= */

.slide-03 .s3-data-node {
    position: absolute;

    width: 128px;
    height: 128px;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    box-sizing: border-box;

    border: 1px solid #e2e8f0;
    border-radius: 50%;

    background:
        linear-gradient(
            145deg,
            #ffffff,
            #f8fafc
        );

    box-shadow:
        0 10px 25px rgba(15, 23, 42, 0.10);

    text-align: center;

    z-index: 5;
}


.slide-03 .s3-node-icon {
    margin-bottom: 8px;

    color: #2563eb;

    font-size: 30px;
}


.slide-03 .s3-data-node span {
    color: #1e293b;

    font-size: 14px;
    font-weight: 700;

    line-height: 1.25;
}


.slide-03 .s3-node-release {
    left: 50%;
    top: -3%;

    transform: translateX(-50%);
}


.slide-03 .s3-node-security {
    left: -1%;
    top: 31%;
}


.slide-03 .s3-node-sharing {
    right: -1%;
    top: 31%;
}


.slide-03 .s3-node-integration {
    left: 12%;
    bottom: -2%;
}


.slide-03 .s3-node-quality {
    right: 12%;
    bottom: -2%;
}


/* =========================================================
   GM LOGO
========================================================= */

.slide-03 .s3-gm-source {
    position: absolute;

    left: 1%;
    top: 50%;

    width: 80px;

    transform: translateY(-50%);

    z-index: 5;
}


.slide-03 .s3-gm-source img {
    display: block;

    width: 100%;
    height: auto;
}


/* =========================================================
   LEFT ARROW
========================================================= */

.slide-03 .s3-arrow-left {
    position: absolute;

    left: 12%;
    top: 50%;

    width: 100px;
    height: 80px;

    transform: translateY(-50%);

    background: #aebdce;

    z-index: 3;
}


.slide-03 .s3-arrow-left::before {
    content: "";

    position: absolute;

    left: -40px;
    top: 50%;

    transform: translateY(-50%);

    border-right: 60px solid #aebdce;
    border-top: 60px solid transparent;
    border-bottom: 60px solid transparent;
}


/* =========================================================
   RIGHT ARROW / SUPPLIERS
========================================================= */

.slide-03 .s3-arrow-right {
    position: absolute;

    left: 80%;
    top: 53%;

    width: 80px;
    height: 80px;

    transform: translateY(-50%);

    background: #aebdce;

    z-index: 3;
}


.slide-03 .s3-arrow-right::after {
    content: "";

    position: absolute;

    left: 80%;
    top: 53%;

    transform: translateY(-50%);

    border-left: 60px solid #aebdce;
    border-top: 60px solid transparent;
    border-bottom: 60px solid transparent;

    z-index: 4;
}


.slide-03 .s3-suppliers {
    position: absolute;

    left: 82%;
    top: 50%;

    color: #2563eb;

    font-size: 30px;
    font-weight: 800;

    line-height: 1;

    letter-spacing: -0.035em;

    white-space: nowrap;

    z-index: 5;
}


/* =========================================================
   RIGHT AREA
========================================================= */

.slide-03 .s3-right {
    position: absolute;

    left: 68%;
    top: 20%;

    width: 30%;
}


.slide-03 .s3-teamcenter-header {
    display: flex;
    align-items: center;

    gap: 16px;
}


.slide-03 .s3-teamcenter-header img {
    width: 68px;
    height: auto;

    flex-shrink: 0;
}


.slide-03 .s3-agency {
    margin-bottom: 6px;

    color: #64748b;

    font-size: 13px;
    font-weight: 600;

    line-height: 1.25;
}


.slide-03 .s3-teamcenter-heading h1 {
    margin: 0;

    color: #0f2f53;

    font-size: 50px;
    font-weight: 800;

    line-height: 1;

    letter-spacing: -0.04em;
}


.slide-03 .s3-description {
    margin-top: 58px;

    color: #475569;
}


.slide-03 .s3-description p {
    margin: 0 0 34px;

    font-size: 18px;

    line-height: 1.65;

    letter-spacing: -0.025em;
}



/* =========================================================
   Slide 04 — GM Teamcenter
========================================================= */

.slide-04 {
    background: #ffffff;

    color: #334155;
}


/* =========================================================
   LEFT
========================================================= */

.slide-04 .s4-left {
    position: absolute;

    left: 2%;
    top: 0;

    width: 62%;
    height: 100%;

    display: flex;
    align-items: center;
    justify-content: center;

    overflow: hidden;
}


.slide-04 .s4-car {
    display: block;

    width: 94%;
    height: auto;

    transform: translateY(2%);

    object-fit: contain;
}


/* =========================================================
   RIGHT
========================================================= */

.slide-04 .s4-right {
    position: absolute;

    left: 69%;
    top: 20%;

    width: 29%;
}


.slide-04 .s4-teamcenter-header {
    display: flex;
    align-items: center;

    gap: 16px;
}


.slide-04 .s4-teamcenter-header img {
    width: 68px;
    height: auto;

    flex-shrink: 0;
}


.slide-04 .s4-agency {
    margin-bottom: 6px;

    color: #64748b;

    font-size: 13px;
    font-weight: 600;

    line-height: 1.25;
}


.slide-04 .s4-teamcenter-heading h1 {
    margin: 0;

    color: #0f2f53;

    font-size: 50px;
    font-weight: 800;

    line-height: 1;

    letter-spacing: -0.04em;
}


.slide-04 .s4-description {
    margin-top: 58px;

    color: #475569;
}


.slide-04 .s4-description p {
    margin: 0 0 20px;

    font-size: 18px;

    line-height: 1.7;

    letter-spacing: -0.025em;
}


.slide-04 .s4-description p:first-child {
    margin-bottom: 10px;

    color: #334155;

    font-weight: 700;
}



/* =========================================================
   Slide 05 — PLM Develop Engine
========================================================= */

.slide-05 {
    background: #ffffff;

    color: #334155;
}


/* =========================================================
   LEFT
========================================================= */

.slide-05 .s5-left {
    position: absolute;

    left: 2%;
    top: 5%;

    width: 61%;
    height: 90%;
}


.slide-05 .s5-plm-image {
    position: absolute;

    left: 0;
    top: 50%;

    width: 100%;
    height: auto;

    transform: translateY(-50%);

    object-fit: contain;
}


/* =========================================================
   PANEL TITLE
========================================================= */

.slide-05 .s5-panel-title {
    position: absolute;

    color: #ffffff;

    font-size: 21px;
    font-weight: 800;

    line-height: 1.08;

    text-transform: uppercase;

    text-shadow:
        0 2px 4px rgba(15, 23, 42, 0.30);

    letter-spacing: -0.025em;

    transform-origin: left center;

    z-index: 5;
}


/*
   현재 위치는 사용자가 조정한 값이 있다면
   아래 left/top만 기존 값으로 유지하면 됨.
*/

.slide-05 .s5-panel-title-01 {
    left: 12%;
    top: 14%;

    transform: rotate(8deg) !important;
}


.slide-05 .s5-panel-title-02 {
    left: 42%;
    top: 18%;

    transform: rotate(7deg) !important;
}


.slide-05 .s5-panel-title-03 {
    left: 70%;
    top: 22%;

    transform: rotate(6deg) !important;
}


/* =========================================================
   RIGHT
========================================================= */

.slide-05 .s5-right {
    position: absolute;
    left: 69%;
    top: 10%;
    width: 28%;
}


/* =========================================================
   TERRANOVA
========================================================= */

.slide-05 .s5-logo {
    width: 215px;
    margin-bottom: 6px;
}


.slide-05 .s5-logo img {
    display: block;

    width: 100%;
    height: auto;
}


/* =========================================================
   HEADING
========================================================= */

.slide-05 .s5-heading h1 {
    margin: 0;

    color: #174a96;

    font-size: 39px;
    font-weight: 800;

    line-height: 1.1;

    letter-spacing: -0.04em;
}


/* 불필요한 제목 아래 선 제거 */

.slide-05 .s5-heading h1::after {
    display: none;
}


.slide-05 .s5-heading p {
    margin: 24px 0 0;

    color: #475569;

    font-size: 16px;

    line-height: 1.7;

    letter-spacing: -0.025em;
}


/* =========================================================
   FEATURES
========================================================= */

.slide-05 .s5-features {
    width: 100%;

    margin-top: 28px;
}


.slide-05 .s5-feature {
    display: flex;
    align-items: center;

    gap: 18px;

    min-height: 62px;

    border-bottom: 1px solid #e2e8f0;
}


.slide-05 .s5-feature:last-child {
    border-bottom: none;
}


.slide-05 .s5-feature-icon {
    width: 46px;
    height: 46px;

    flex: 0 0 46px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 50%;

    background: #edf5ff;

    box-shadow:
        inset 0 0 0 1px rgba(37, 99, 235, 0.08);

    color: #1769c2;

    font-size: 21px;
}


.slide-05 .s5-feature span {
    color: #164b95;

    font-size: 20px;
    font-weight: 700;

    letter-spacing: -0.025em;
}



/* =========================================================
   Slide 06 — Siemens PLM Official Education
========================================================= */

.slide-06 {
    background: #ffffff;

    color: #334155;
}


/* =========================================================
   LEFT
========================================================= */

.slide-06 .s6-left {
    position: absolute;

    left: 2%;
    top: 8%;

    width: 61%;
    height: 84%;

    display: flex;
    align-items: center;
    justify-content: center;

    overflow: hidden;
}


.slide-06 .s6-training-image {
    display: block;

    width: 94%;
    height: auto;

    max-height: 100%;

    object-fit: contain;
}


/* =========================================================
   RIGHT
========================================================= */

.slide-06 .s6-right {
    position: absolute;

    left: 69%;
    top: 17%;

    width: 28%;
}


/* =========================================================
   HEADING
========================================================= */

.slide-06 .s6-sub-title {
    display: block;

    margin-bottom: 12px;

    color: #64748b;

    font-size: 15px;
    font-weight: 700;

    letter-spacing: 0.01em;
}


.slide-06 .s6-heading h1 {
    margin: 0;

    color: #174a96;

    font-size: 39px;
    font-weight: 800;

    line-height: 1.12;

    letter-spacing: -0.04em;
}


/* =========================================================
   DESCRIPTION
========================================================= */

.slide-06 .s6-description {
    margin-top: 42px;
}


.slide-06 .s6-description p {
    margin: 0;

    color: #475569;

    font-size: 17px;

    line-height: 1.75;

    letter-spacing: -0.025em;
}


/* =========================================================
   NOTICE
========================================================= */

.slide-06 .s6-notice {
    width: 100%;

    margin-top: 42px;

    display: flex;
    align-items: center;

    gap: 15px;

    box-sizing: border-box;

    padding: 16px 18px;

    border: 1px solid #ef4444;
    border-radius: 12px;

    background: #fffafa;
}


.slide-06 .s6-notice-icon {
    width: 34px;
    height: 34px;

    flex: 0 0 34px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 50%;

    background: #ef2b2d;

    color: #ffffff;

    font-size: 17px;
    font-weight: 800;
}


.slide-06 .s6-notice p {
    margin: 0;

    color: #dc2626;

    font-size: 14px;
    font-weight: 700;

    line-height: 1.45;

    letter-spacing: -0.025em;
}



/* =========================================================
   Slide 07 — CAE Consulting
========================================================= */

.slide-07 {
    background: #ffffff;

    color: #334155;
}


/* =========================================================
   LEFT
========================================================= */

.slide-07 .s7-left {
    position: absolute;

    left: 2%;
    top: 7%;

    width: 61%;
    height: 68%;
}


.slide-07 .s7-cae-image {
    position: absolute;

    left: 6%;
    top: 50%;

    width: 90%;
    height: auto;

    transform: translateY(-50%);

    object-fit: contain;
}


/* =========================================================
   LEGEND
========================================================= */

.slide-07 .s7-legend {
    position: absolute;

    left: 0;
    top: 23%;

    height: 52%;

    display: flex;
    flex-direction: column;
    align-items: center;
}


.slide-07 .s7-legend-bar {
    width: 15px;
    height: 210px;

    margin: 7px 0;

    border: 1px solid rgba(15, 23, 42, 0.15);

    background:
        linear-gradient(
            to bottom,
            #dc2626 0%,
            #f97316 15%,
            #facc15 30%,
            #84cc16 46%,
            #22c55e 60%,
            #06b6d4 74%,
            #2563eb 88%,
            #1d4ed8 100%
        );
}


.slide-07 .s7-legend-high,
.slide-07 .s7-legend-low {
    color: #334155;

    font-size: 13px;
    font-weight: 700;
}


/* =========================================================
   RIGHT
========================================================= */

.slide-07 .s7-right {
    position: absolute;

    left: 69%;
    top: 12%;

    width: 28%;
}


/* =========================================================
   HEADING
========================================================= */

.slide-07 .s7-heading {
    margin-bottom: 24px;
}


.slide-07 .s7-heading h1 {
    margin: 0;

    color: #174a96;

    font-size: 39px;
    font-weight: 800;

    line-height: 1.1;

    letter-spacing: -0.04em;
}


.slide-07 .s7-heading p {
    margin: 12px 0 0;

    color: #64748b;

    font-size: 17px;
    font-weight: 600;
}


/* =========================================================
   ANALYSIS CARD
========================================================= */

.slide-07 .s7-analysis-card {
    display: flex;
    align-items: center;

    gap: 15px;

    min-height: 132px;

    box-sizing: border-box;

    margin-bottom: 15px;

    padding: 17px 18px;

    border: 1px solid #dbe5f1;
    border-radius: 16px;

    background:
        linear-gradient(
            135deg,
            #ffffff 0%,
            #f8fbff 100%
        );

    box-shadow:
        0 5px 15px rgba(15, 23, 42, 0.07);
}


.slide-07 .s7-card-icon {
    width: 68px;
    height: 68px;

    flex: 0 0 68px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 50%;

    background:
        linear-gradient(
            145deg,
            #1952a3,
            #0f3a78
        );

    box-shadow:
        0 6px 16px rgba(23, 74, 150, 0.18);

    color: #ffffff;

    font-size: 28px;
}


.slide-07 .s7-card-content {
    flex: 1;

    min-width: 0;
}


.slide-07 .s7-card-content h2 {
    margin: 0 0 5px;

    color: #174a96;

    font-size: 20px;
    font-weight: 800;

    line-height: 1.2;
}


.slide-07 .s7-card-content h3 {
    margin: 0 0 10px;

    color: #334155;

    font-size: 15px;
    font-weight: 700;

    line-height: 1.35;
}


.slide-07 .s7-card-content ul {
    margin: 0;

    padding-left: 17px;
}


.slide-07 .s7-card-content li {
    margin-bottom: 4px;

    color: #475569;

    font-size: 12px;

    line-height: 1.4;
}


/* =========================================================
   BOTTOM
========================================================= */

.slide-07 .s7-bottom {
    position: absolute;

    left: 8%;
    bottom: 8%;

    width: 84%;
    height: 92px;

    display: flex;
    align-items: center;

    gap: 24px;

    box-sizing: border-box;

    padding: 18px 34px;

    border-radius: 20px;

    background:
        linear-gradient(
            135deg,
            #2364ad,
            #0f447f
        );

    box-shadow:
        0 7px 18px rgba(15, 68, 127, 0.20);
}


.slide-07 .s7-bottom-icon {
    width: 58px;
    height: 58px;

    flex: 0 0 58px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 1px solid rgba(255, 255, 255, 0.65);
    border-radius: 50%;

    color: #ffffff;

    font-size: 27px;
}


.slide-07 .s7-bottom p {
    margin: 0;

    color: #ffffff;

    font-size: 18px;
    font-weight: 600;

    line-height: 1.55;

    letter-spacing: -0.025em;
}



/* =========================================================
   MOBILE
   - 내부는 1280 × 720 캔버스 그대로 두고
     JS가 전체를 축소함
========================================================= */

@media (max-width: 768px) {

    .slider-btn {
        width: 34px;
        height: 54px;

        font-size: 17px;
    }


    .slider-dots {
        bottom: 9px;

        gap: 6px;
    }


    .slider-dot {
        width: 6px;
        height: 6px;
    }


    .slider-dot.active {
        width: 18px;
    }
}

/* Shared Korean/English layout on the fixed 1280 x 720 canvas. */
.slide-02 .plm-intro {
    left: 0;
    top: 112px;
    width: 100%;
    margin-top: 0;
}

.slide-02 .plm-intro br { display: none; }
.slide-02 .plm-intro p {
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0;
}

/* Both languages retain the original staggered circle cluster. */
.slide-02 .plm-function-map {
    left: 0;
    top: 44%;
    width: 100%;
    aspect-ratio: 1 / .8;
}
.slide-02 .function-circle {
    box-sizing: border-box;
    padding: 8px;
    line-height: 1.3;
}
.slide-02 .function-1 { left: 29%; top: 0; width: 30%; }
.slide-02 .function-2 { left: 0; top: 28%; width: 29%; }
.slide-02 .function-3 { left: 62%; top: 15%; width: 30%; }
.slide-02 .function-4 { left: 22%; top: 47%; width: 34%; }
.slide-02 .function-5 { left: 52%; top: 68%; width: 28%; }
.slide-02 .function-6 { left: 73%; top: 48%; width: 27%; }
.slide-02 .function-circle::after { opacity: .2; }
.slide-02 .function-label {
    position: relative;
    z-index: 1;
    display: block;
    width: 100%;
    min-width: 0;
    white-space: normal;
    word-break: normal;
}
.slide-02 .function-circle { font-size: 13px; }

/* The 24px empty grid column is the continuous ERP arrow's passage. */
.slide-02 .plm-right {
    --erp-lane-right: 126px;
    --erp-box-width: 92px;
    --erp-box-height: 46px;
    /* Local center matching the mass-production grid column. */
    --erp-box-center: 62px;
}
.slide-02 .plm-area { box-sizing: border-box; }
.slide-02 .process-items {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr)) var(--erp-box-width) 24px 95px;
    gap: 5px;
    height: var(--erp-box-height);
}

.slide-02 .process-main { display: contents; }
.slide-02 .process-item {
    position: static;
    transform: none;
    box-sizing: border-box;
    min-width: 0;
    padding: 4px 3px;
    font-size: 13px;
    line-height: 1.2;
    white-space: normal;
    word-break: normal;
}
.slide-02 .p-maint { grid-column: 8; }

.slide-02 .erp-area {
    box-sizing: border-box;
    right: 86px;
    width: 167px;
    padding: 14px;
}
.slide-02 .erp-area .area-title {
    position: absolute;
    top: 14px;
    left: var(--erp-box-center);
    transform: translateX(-50%);
    margin: 0;
    white-space: nowrap;
}
.slide-02 .erp-items {
    position: absolute;
    top: 68px;
    left: var(--erp-box-center);
    transform: translateX(-50%);
    width: var(--erp-box-width);
}
.slide-02 .erp-item,
.slide-02 .logistics-box {
    box-sizing: border-box;
    width: var(--erp-box-width);
    min-width: 0;
    height: var(--erp-box-height);
    padding: 4px 3px;
    font-size: 13px;
    text-align: center;
    white-space: normal;
    line-height: 1.2;
}
.slide-02 .logistics-box { left: var(--erp-box-center); }
.slide-02 .erp-flow {
    right: auto;
    left: calc(100% - var(--erp-lane-right) - 1.5px);
    top: 100px;
    height: 345px;
}
.slide-02 .erp-flow span {
    font-size: 13px;
    left: 8px;
}

/* Stop the CRM arrowhead at the fitted ERP panel. */
.slide-02 .arrow-right { width: calc(71% - 269px); }