/* ============================================
   Reset & Base
============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-bg: #ffffff;
    --color-bg-alt: #f7f7f4;
    --color-bg-dark: #0a0e1a;
    --color-text: #14181f;
    --color-text-soft: #4a5260;
    --color-text-light: #7a8290;
    --color-line: #e6e3dc;
    --color-accent: #c8102e;
    --color-accent-soft: #e84a5f;
    --color-navy: #102542;
    --color-navy-soft: #1a3556;

    --font-jp: 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', sans-serif;
    --font-en: 'Poppins', 'Noto Sans JP', 'Helvetica Neue', Arial, sans-serif;

    --container-w: 1240px;
    --container-pad: 32px;

    --section-pad-y: 140px;
    --section-pad-y-sm: 80px;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-jp);
    font-weight: 400;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: opacity 0.2s ease, color 0.2s ease;
}

a:hover {
    opacity: 0.7;
}

img {
    max-width: 100%;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul {
    list-style: none;
}

.container {
    max-width: var(--container-w);
    margin: 0 auto;
    padding: 0 var(--container-pad);
}

/* ============================================
   Typography
============================================ */
.section-label {
    font-family: var(--font-en);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--color-accent);
    margin-bottom: 18px;
}

.section-title {
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 700;
    letter-spacing: 0.02em;
    line-height: 1.3;
    margin-bottom: 16px;
}

.section-sub {
    font-size: 16px;
    color: var(--color-text-soft);
    line-height: 1.8;
}

.section-head {
    margin-bottom: 80px;
    max-width: 800px;
}

.sub-title {
    font-size: clamp(22px, 2.5vw, 28px);
    font-weight: 700;
    margin-bottom: 32px;
}

/* ============================================
   Buttons
============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.05em;
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
}

.btn-primary:hover {
    background: #a30b25;
    opacity: 1;
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(200, 16, 46, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-text);
}

.btn-secondary:hover {
    background: var(--color-text);
    color: #fff;
    opacity: 1;
}

.btn-small {
    padding: 10px 22px;
    font-size: 12px;
}

/* ============================================
   Header
============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.site-header.scrolled {
    border-bottom-color: var(--color-line);
    box-shadow: 0 1px 12px rgba(0, 0, 0, 0.04);
}

.header-inner {
    max-width: var(--container-w);
    margin: 0 auto;
    padding: 0 var(--container-pad);
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-en);
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 0.02em;
}

.logo-image {
    height: 24px;
    width: auto;
    display: block;
}

.logo-mark {
    font-size: 22px;
}

.primary-nav ul {
    display: flex;
    gap: 36px;
    align-items: center;
}

.primary-nav a {
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.05em;
    position: relative;
    padding: 6px 0;
}

.primary-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width 0.3s ease;
}

.primary-nav a:hover {
    opacity: 1;
}

.primary-nav a:hover::after {
    width: 100%;
}

.header-cta {
    display: flex;
    align-items: center;
    gap: 16px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    border-top: 1px solid var(--color-line);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    max-height: calc(100vh - 72px);
    overflow-y: auto;
}

.mobile-nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-nav ul {
    padding: 24px var(--container-pad);
}

.mobile-nav li {
    border-bottom: 1px solid var(--color-line);
}

.mobile-nav a {
    display: block;
    padding: 18px 0;
    font-size: 15px;
    font-weight: 500;
}

.mobile-nav .mobile-entry {
    color: var(--color-accent);
    font-weight: 700;
}

/* ============================================
   Hero
============================================ */
.hero {
    --font-en: 'Geist', 'Noto Sans JP', 'Helvetica Neue', Arial, sans-serif;
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(180deg, #f8f7f3 0%, #eef0f5 100%);
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 1;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 18s ease-in-out infinite;
}

.hero-orb-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, #c8102e 0%, #e84a5f 100%);
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.hero-orb-2 {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, #102542 0%, #2a4a7a 100%);
    bottom: -200px;
    left: -100px;
    animation-delay: -6s;
}

.hero-orb-3 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #f0a868 0%, #c8102e 100%);
    top: 40%;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0.25;
    animation-delay: -12s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(40px, -30px) scale(1.05); }
    66% { transform: translate(-30px, 40px) scale(0.95); }
}

.hero-inner {
    position: relative;
    z-index: 2;
    text-align: left;
    padding: 120px var(--container-pad) 80px;
    max-width: var(--container-w);
    width: 100%;
    margin: 0 auto;
}

.hero-tagline {
    font-family: var(--font-en);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.3em;
    color: var(--color-accent);
    margin-bottom: 32px;
}

.hero-title {
    font-family: 'Poppins', 'Noto Sans JP', sans-serif;
    font-size: clamp(48px, 9vw, 120px);
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 48px;
    color: var(--color-navy);
}

.hero-title-en {
    display: block;
}

.hero-title-en--accent {
    color: var(--color-accent);
}

.hero-lead {
    font-size: clamp(16px, 1.4vw, 20px);
    line-height: 2;
    color: var(--color-text-soft);
    margin-bottom: 48px;
    max-width: 720px;
}

.hero-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-family: var(--font-en);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--color-text-soft);
}

.hero-meta-divider {
    color: var(--color-text-soft);
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: var(--container-pad);
    display: flex;
    align-items: center;
    gap: 16px;
    font-family: var(--font-en);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--color-text-light);
}

.hero-scroll-line {
    display: block;
    width: 60px;
    height: 1px;
    background: var(--color-text-light);
    position: relative;
    overflow: hidden;
}

.hero-scroll-line::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--color-accent);
    transform: translateX(-100%);
    animation: scrollIndicator 2.2s ease-in-out infinite;
}

@keyframes scrollIndicator {
    0% { transform: translateX(-100%); }
    50% { transform: translateX(0); }
    100% { transform: translateX(100%); }
}

/* ============================================
   Section Base
============================================ */
.section {
    padding: var(--section-pad-y) 0;
    position: relative;
}

.section:nth-of-type(even) {
    background: var(--color-bg-alt);
}

/* ============================================
   Message Section
============================================ */
.message-card {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 80px;
    margin-bottom: 100px;
    align-items: start;
}

.message-card:last-child {
    margin-bottom: 0;
}

.message-card.reverse {
    grid-template-columns: 1fr 360px;
}

.message-card.reverse .message-body {
    order: 1;
}

.message-card.reverse .message-photo {
    order: 2;
}

.message-photo {
    position: relative;
}

.message-photo .photo-placeholder {
    aspect-ratio: 3 / 4;
    border-radius: 8px;
}

.message-photo img {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    border-radius: 8px;
    display: block;
}

.message-role {
    font-family: var(--font-en);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.message-bio {
    font-size: 14px;
    line-height: 2;
    color: var(--color-text-soft);
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--color-line);
}

.message-quote {
    position: relative;
    padding: 0 0 0 24px;
    margin-bottom: 28px;
    border-left: 2px solid var(--color-accent);
}

.message-quote p {
    font-size: 16px;
    line-height: 2.1;
    color: var(--color-text);
    font-weight: 500;
}

.message-quote cite {
    display: block;
    margin-top: 12px;
    font-family: var(--font-en);
    font-size: 12px;
    font-style: normal;
    letter-spacing: 0.05em;
    color: var(--color-text-light);
}

.message-quote:last-child {
    margin-bottom: 0;
}

/* ============================================
   About Section
============================================ */
.about-lead {
    text-align: center;
    margin-bottom: 80px;
}

.about-lead p {
    font-size: clamp(16px, 1.4vw, 19px);
    line-height: 2.2;
    color: var(--color-text-soft);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 80px;
    padding: 60px 0;
    border-top: 1px solid var(--color-line);
    border-bottom: 1px solid var(--color-line);
}

.stat {
    text-align: center;
}

.stat-label {
    font-family: var(--font-en);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--color-text-light);
    margin-bottom: 14px;
}

.stat-value {
    font-family: var(--font-en);
    font-size: clamp(28px, 3.5vw, 42px);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-navy);
    margin-bottom: 10px;
    line-height: 1;
}

.stat-value span {
    font-size: 0.5em;
    margin-left: 4px;
}

.stat-note {
    font-size: 12px;
    color: var(--color-text-light);
    line-height: 1.6;
}

.about-partners {
    text-align: center;
}

.about-partners + .about-partners {
    margin-top: 64px;
}

.about-partners-label {
    font-family: var(--font-en);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.22em;
    color: var(--color-text-light);
    margin-bottom: 28px;
}

.about-partners-text {
    font-size: 18px;
    color: var(--color-text-soft);
    line-height: 1.9;
    max-width: 920px;
    margin: 0 auto;
}

.about-partners-source {
    margin-top: 24px;
    font-size: 14px;
    color: var(--color-text-light);
}

.about-partners-source a {
    color: var(--color-text-light);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.2s ease;
}

.about-partners-source a:hover {
    color: var(--color-accent);
}

.about-partners-source + .about-partners-text {
    margin-top: 16px;
}

.about-divider {
    border: 0;
    border-top: 1px solid var(--color-line);
    margin: 56px auto;
    max-width: 920px;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.news-item {
    display: block;
    background: #fff;
    border: 1px solid var(--color-line);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    color: inherit;
}

.news-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
}

.news-item img {
    width: 100%;
    height: auto;
    display: block;
}

@media (max-width: 1100px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
}

@media (max-width: 600px) {
    .news-grid {
        grid-template-columns: 1fr;
    }
}

.partners-list {
    display: flex;
    justify-content: center;
    max-width: 960px;
    margin: 0 auto;
}

.partners-list img {
    width: 100%;
    height: auto;
    display: block;
}

/* ============================================
   Pillars Section
============================================ */
.pillars-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-bottom: 120px;
    max-width: 1040px;
    margin-left: auto;
    margin-right: auto;
}

.pillar-card {
    background: #fff;
    border-radius: 4px;
    overflow: hidden;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    border: 1px solid var(--color-line);
}

.pillar-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
}

.pillar-image {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--color-bg);
}

.pillar-image .photo-placeholder {
    width: 100%;
    height: 100%;
    border-radius: 0;
}

.pillar-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.pillar-image--contain img {
    object-fit: contain;
}

.pillar-content {
    padding: 36px 32px;
}

.pillar-num {
    font-family: var(--font-en);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.pillar-title {
    font-family: var(--font-en);
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--color-navy);
}

.pillar-en {
    font-family: var(--font-en);
    font-size: 12px;
    color: var(--color-text-light);
    margin-bottom: 24px;
    letter-spacing: 0.1em;
}

.pillar-text {
    font-size: 14px;
    line-height: 2;
    color: var(--color-text-soft);
    margin-bottom: 24px;
}

.pillar-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.pillar-tags li {
    padding: 4px 12px;
    background: var(--color-bg-alt);
    border-radius: 100px;
    font-size: 11px;
    color: var(--color-text-soft);
    font-weight: 500;
}

/* Research grid */
.research-section {
    margin-top: 60px;
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.research-card {
    display: block;
    background: #fff;
    border: 1px solid var(--color-line);
    border-radius: 4px;
    overflow: hidden;
    padding: 0;
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
}

.research-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-3px);
}

.research-image {
    aspect-ratio: 16 / 9;
    width: 100%;
    overflow: hidden;
    background: var(--color-bg);
}

.research-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.research-card h4 {
    font-size: 18px;
    font-weight: 700;
    padding: 24px 24px 12px;
    color: var(--color-navy);
}

.research-card p {
    padding: 0 24px 16px;
    font-size: 13px;
    color: var(--color-text-soft);
    line-height: 1.9;
}

.research-badge {
    display: inline-block;
    margin: 0 24px 24px;
    font-family: var(--font-en);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    padding: 4px 10px;
    border: 1px solid var(--color-accent);
    border-radius: 2px;
}

/* ============================================
   Why Section
============================================ */
.why-section {
    background: var(--color-bg-dark);
    color: #f0f0f0;
}

.why-section .section-title {
    color: #fff;
}

.why-section .section-sub {
    color: rgba(240, 240, 240, 0.7);
}

.why-section .section-label {
    color: var(--color-accent-soft);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
    margin-bottom: 100px;
}

.why-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 56px 48px;
    border-radius: 4px;
    transition: all 0.4s ease;
}

.why-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-accent);
}

.why-num {
    font-family: var(--font-en);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--color-accent-soft);
    margin-bottom: 24px;
}

.why-title {
    font-size: 32px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}

.why-subtitle {
    font-size: 16px;
    color: var(--color-accent-soft);
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.why-text {
    font-size: 15px;
    line-height: 2.1;
    color: rgba(240, 240, 240, 0.85);
    margin-bottom: 24px;
}

.why-text.emphasis {
    color: #fff;
    font-weight: 500;
    padding: 20px 24px;
    background: rgba(200, 16, 46, 0.08);
    border-left: 3px solid var(--color-accent);
    margin-top: 32px;
}

.why-list {
    margin: 24px 0 32px;
    padding-left: 0;
}

.why-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 14px;
    font-size: 14px;
    line-height: 1.9;
    color: rgba(240, 240, 240, 0.85);
}

.why-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 12px;
    height: 1px;
    background: var(--color-accent-soft);
}

.why-closing {
    background: rgba(255, 255, 255, 0.03);
    padding: 60px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.why-closing h3 {
    font-size: 26px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.why-closing p {
    font-size: 15px;
    line-height: 2.1;
    color: rgba(240, 240, 240, 0.85);
    margin-bottom: 24px;
}

.why-closing-list {
    margin: 24px 0;
}

.why-closing-list li {
    padding: 12px 0;
    font-size: 15px;
    color: rgba(240, 240, 240, 0.9);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.why-closing-list li:last-child {
    border-bottom: none;
}

.why-closing-list strong {
    color: var(--color-accent-soft);
    margin-right: 8px;
}

.why-closing-cta {
    margin-top: 32px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 16px;
    line-height: 2.2;
    color: #fff;
    font-weight: 400;
}

/* ============================================
   Office Section
============================================ */
.office-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
    margin-bottom: 60px;
    height: 560px;
}

.office-main {
    height: 100%;
    overflow: hidden;
    border-radius: 4px;
}

.office-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.office-sub {
    display: grid;
    grid-template-rows: 1fr 1fr;
    gap: 24px;
}

.office-sub img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 4px;
    display: block;
}

.office-text {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.office-text p {
    font-size: 16px;
    line-height: 2.1;
    color: var(--color-text-soft);
}

/* ============================================
   Culture Section
============================================ */
.culture-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 100px;
}

.culture-card {
    padding: 40px 32px;
    background: #fff;
    border: 1px solid var(--color-line);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.culture-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
}

.culture-icon {
    font-size: 32px;
    margin-bottom: 20px;
}

.culture-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 16px;
    line-height: 1.5;
}

.culture-card p {
    font-size: 13px;
    line-height: 1.9;
    color: var(--color-text-soft);
}

/* Tech stack */
.tech-stack {
    background: #fff;
    border: 1px solid var(--color-line);
    padding: 60px 48px;
    border-radius: 4px;
}

.tech-note {
    font-size: 12px;
    color: var(--color-text-light);
    margin-top: -24px;
    margin-bottom: 32px;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px 32px;
}

.tech-item {
    padding: 20px 0;
    border-top: 1px solid var(--color-line);
}

.tech-label {
    font-family: var(--font-en);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: 8px;
}

.tech-item p:last-child {
    font-size: 13px;
    color: var(--color-text);
    line-height: 1.7;
}

/* ============================================
   People Section
============================================ */
.people-carousel {
    position: relative;
    margin: 0 -24px;
    padding: 0 24px;
}

.people-track {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    padding-bottom: 24px;
    scrollbar-width: thin;
    scrollbar-color: var(--color-line) transparent;
}

.people-track::-webkit-scrollbar {
    height: 4px;
}

.people-track::-webkit-scrollbar-track {
    background: var(--color-line);
}

.people-track::-webkit-scrollbar-thumb {
    background: var(--color-accent);
}

.person-card {
    flex: 0 0 320px;
    height: 440px;
    background: var(--color-bg-dark);
    border-radius: 6px;
    padding: 28px;
    scroll-snap-align: start;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    color: inherit;
    text-decoration: none;
}

a.person-card {
    cursor: pointer;
}

a.person-card::before {
    content: 'INTERVIEW →';
    position: absolute;
    top: 14px;
    right: 14px;
    z-index: 3;
    font-family: var(--font-en);
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--color-accent-soft);
    background: rgba(10, 14, 26, 0.7);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    padding: 4px 8px;
    border-radius: 2px;
    transition: transform 0.3s ease, background 0.3s ease;
    pointer-events: none;
}

a.person-card:hover::before {
    transform: translateX(4px);
    background: rgba(200, 16, 46, 0.85);
    color: #fff;
}

.person-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
}

.person-photo {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    border-radius: 0;
    overflow: hidden;
    z-index: 0;
}

.person-photo .photo-placeholder {
    width: 100%;
    height: 100%;
    border-radius: 0;
}

.person-photo .photo-placeholder::after {
    display: none;
}

.person-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
}

.person-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(10, 14, 26, 0.92) 0%,
        rgba(10, 14, 26, 0.65) 30%,
        rgba(10, 14, 26, 0.15) 60%,
        transparent 85%
    );
    z-index: 1;
    pointer-events: none;
}

.person-role,
.person-name,
.person-bg {
    position: relative;
    z-index: 2;
}

.person-role {
    margin-top: auto;
    font-family: var(--font-en);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-accent-soft);
    margin-bottom: 8px;
}

.person-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #fff;
}

.person-bg {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.78);
    line-height: 1.6;
    min-height: 2.8em;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #fff;
    border: 1px solid var(--color-line);
    font-size: 24px;
    line-height: 1;
    color: var(--color-text);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.carousel-btn:hover {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

.carousel-prev {
    left: -24px;
}

.carousel-next {
    right: -24px;
}

/* ============================================
   Jobs Section
============================================ */
.jobs-category {
    margin-bottom: 60px;
}

.jobs-category:last-child {
    margin-bottom: 0;
}

.jobs-category-head {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 48px;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--color-line);
    align-items: baseline;
}

.jobs-category-head h3 {
    font-family: var(--font-en);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-navy);
}

.jobs-category-head p {
    font-size: 14px;
    color: var(--color-text-soft);
}

.jobs-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
}

.job-item {
    display: grid;
    grid-template-columns: 80px 1fr 40px;
    gap: 24px;
    align-items: center;
    padding: 24px 24px;
    border-top: 1px solid var(--color-line);
    transition: all 0.3s ease;
    position: relative;
}

.job-item:hover {
    background: linear-gradient(90deg, rgba(200, 16, 46, 0.05) 0%, transparent 100%);
    padding-left: 32px;
    opacity: 1;
}

.job-item:hover .job-arrow {
    transform: translateX(6px);
    color: var(--color-accent);
}

.job-tag {
    font-family: var(--font-en);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    padding: 4px 8px;
    background: rgba(200, 16, 46, 0.08);
    border-radius: 2px;
    text-align: center;
}

.job-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
}

.job-arrow {
    font-size: 18px;
    color: var(--color-text-light);
    transition: all 0.3s ease;
    text-align: right;
}

/* ============================================
   Process Section
============================================ */
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-bottom: 60px;
}

.process-step {
    position: relative;
    padding-top: 32px;
    border-top: 2px solid var(--color-accent);
}

.process-step::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 0;
    width: 14px;
    height: 14px;
    background: var(--color-accent);
    border-radius: 50%;
}

.step-num {
    font-family: var(--font-en);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.process-step h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 12px;
}

.process-step p {
    font-size: 13px;
    line-height: 1.9;
    color: var(--color-text-soft);
}

.process-warning {
    background: rgba(200, 16, 46, 0.05);
    border: 1px solid rgba(200, 16, 46, 0.2);
    padding: 24px 32px;
    border-radius: 4px;
}

.process-warning p {
    font-size: 13px;
    color: var(--color-text-soft);
    line-height: 1.9;
}

.process-warning strong {
    color: var(--color-accent);
}

/* ============================================
   FAQ Section
============================================ */
.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-line);
}

.faq-item summary {
    position: relative;
    padding: 28px 60px 28px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    list-style: none;
    transition: color 0.3s ease;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    font-weight: 300;
    color: var(--color-accent);
    transition: transform 0.3s ease;
}

.faq-item[open] summary::after {
    content: '−';
}

.faq-item summary:hover {
    color: var(--color-accent);
}

.faq-item p {
    padding: 0 0 28px;
    font-size: 14px;
    line-height: 2;
    color: var(--color-text-soft);
}

/* ============================================
   Entry / CTA
============================================ */
.entry-section {
    background: var(--color-bg-dark);
    padding: 100px 0;
}

.entry-card {
    text-align: center;
    color: #fff;
    max-width: 900px;
    margin: 0 auto;
}

.entry-label {
    font-family: var(--font-en);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.3em;
    color: var(--color-accent-soft);
    margin-bottom: 28px;
}

.entry-title {
    font-size: clamp(26px, 4vw, 44px);
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 28px;
    color: var(--color-accent-soft);
}

.entry-lead {
    font-size: 15px;
    line-height: 2;
    color: rgba(240, 240, 240, 0.8);
    margin-bottom: 48px;
}

.entry-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.entry-cta .btn-secondary {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.3);
}

.entry-cta .btn-secondary:hover {
    background: #fff;
    color: var(--color-text);
}

/* ============================================
   Footer
============================================ */
.site-footer {
    background: #050810;
    color: rgba(255, 255, 255, 0.7);
    padding: 32px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-en);
    font-weight: 700;
    font-size: 20px;
    color: #fff;
    margin-bottom: 20px;
}

.footer-tagline {
    font-family: var(--font-en);
    font-size: 13px;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 28px;
}

.footer-address {
    font-size: 12px;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.5);
}

.footer-col-title {
    font-family: var(--font-en);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: #fff;
    margin-bottom: 20px;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col a {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-col a:hover {
    color: var(--color-accent-soft);
    opacity: 1;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom ul {
    display: flex;
    gap: 24px;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a:hover {
    color: rgba(255, 255, 255, 0.8);
    opacity: 1;
}

.footer-meta {
    display: flex;
    gap: 18px;
    align-items: center;
}

.footer-social {
    display: flex;
    gap: 18px;
    align-items: center;
}

.footer-icon {
    width: 14px;
    height: 14px;
    display: block;
}

/* ============================================
   Photo Placeholders (with gradients)
============================================ */
.photo-placeholder {
    position: relative;
    background: linear-gradient(135deg, #c8d4e5 0%, #8ca5c8 100%);
    border-radius: 4px;
    overflow: hidden;
}

.photo-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.3) 0%, transparent 60%);
}

.photo-placeholder::after {
    content: attr(data-label);
    position: absolute;
    bottom: 16px;
    left: 16px;
    font-family: var(--font-en);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: rgba(255, 255, 255, 0.8);
    padding: 4px 10px;
    background: rgba(0, 0, 0, 0.25);
    border-radius: 2px;
    backdrop-filter: blur(4px);
}

.gradient-1 { background: linear-gradient(135deg, #102542 0%, #2a4a7a 50%, #1a3556 100%); }
.gradient-2 { background: linear-gradient(135deg, #c8102e 0%, #8a1424 50%, #5a0a16 100%); }
.gradient-3 { background: linear-gradient(135deg, #f0a868 0%, #c8102e 100%); }

.gradient-r1 { background: linear-gradient(135deg, #1a3556 0%, #102542 100%); }
.gradient-r2 { background: linear-gradient(135deg, #6c4a8a 0%, #3a2a56 100%); }
.gradient-r3 { background: linear-gradient(135deg, #2a8a6c 0%, #1a5642 100%); }
.gradient-r4 { background: linear-gradient(135deg, #8a4a2a 0%, #56281a 100%); }
.gradient-r5 { background: linear-gradient(135deg, #4a6c8a 0%, #2a3a56 100%); }
.gradient-r6 { background: linear-gradient(135deg, #8a2a4a 0%, #56182a 100%); }

.gradient-p1 { background: linear-gradient(135deg, #2a4a7a 0%, #102542 100%); }
.gradient-p2 { background: linear-gradient(135deg, #c8102e 0%, #8a1424 100%); }
.gradient-p3 { background: linear-gradient(135deg, #8a6c2a 0%, #56401a 100%); }
.gradient-p4 { background: linear-gradient(135deg, #2a8a6c 0%, #1a5642 100%); }
.gradient-p5 { background: linear-gradient(135deg, #6c4a8a 0%, #3a2a56 100%); }
.gradient-p6 { background: linear-gradient(135deg, #4a8a8a 0%, #2a5656 100%); }
.gradient-p7 { background: linear-gradient(135deg, #8a4a2a 0%, #56281a 100%); }
.gradient-p8 { background: linear-gradient(135deg, #4a2a8a 0%, #2a1a56 100%); }

.gradient-office-1 { background: linear-gradient(135deg, #1a3556 0%, #2a4a7a 50%, #c8102e 100%); }
.gradient-office-2 { background: linear-gradient(135deg, #f0a868 0%, #c8102e 100%); }
.gradient-office-3 { background: linear-gradient(135deg, #2a4a7a 0%, #1a3556 100%); }

/* ============================================
   Scroll Animations
============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Responsive
============================================ */
@media (max-width: 1100px) {
    :root {
        --section-pad-y: 100px;
    }
    .primary-nav ul {
        gap: 24px;
    }
    .primary-nav a {
        font-size: 12px;
    }
    .pillars-grid,
    .research-grid,
    .culture-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 40px;
    }
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .why-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --section-pad-y: 80px;
        --container-pad: 24px;
    }

    .primary-nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .header-cta .btn {
        display: none;
    }

    .hero-inner {
        padding: 100px var(--container-pad) 100px;
    }

    .hero-title {
        font-size: clamp(40px, 12vw, 72px);
    }

    .section-head {
        margin-bottom: 48px;
    }

    .message-card,
    .message-card.reverse {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .message-card.reverse .message-body {
        order: 2;
    }
    .message-card.reverse .message-photo {
        order: 1;
    }

    .message-photo .photo-placeholder {
        aspect-ratio: 4 / 3;
    }

    .pillars-grid,
    .research-grid,
    .culture-grid,
    .jobs-list,
    .process-grid,
    .tech-grid {
        grid-template-columns: 1fr;
    }

    .about-stats {
        grid-template-columns: 1fr;
        padding: 40px 0;
    }

    .office-grid {
        grid-template-columns: 1fr;
        height: auto;
        gap: 16px;
    }

    .office-main,
    .office-main img,
    .office-sub img {
        aspect-ratio: 16 / 10;
        height: auto;
    }

    .office-sub {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: none;
    }

    .jobs-category-head {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .why-card,
    .why-closing {
        padding: 40px 28px;
    }

    .tech-stack {
        padding: 40px 28px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }

    .carousel-prev {
        left: -8px;
    }
    .carousel-next {
        right: -8px;
    }

    .person-card {
        flex: 0 0 280px;
        height: 400px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: clamp(28px, 10.5vw, 44px);
    }
    .about-stats {
        grid-template-columns: 1fr;
    }
    .stat {
        padding: 16px 0;
        border-bottom: 1px solid var(--color-line);
    }
    .stat:last-child {
        border-bottom: none;
    }
}