/* =============================================================
   FUTURE EXPERIENCE — recruit.css
   Concept: People who shape the future
============================================================= */

/* ── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    background: #FAFAF8;
    color: #202020;
    font-family: 'Inter', 'Noto Sans JP', sans-serif;
    font-weight: 300;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a   { text-decoration: none; color: inherit; }
ul  { list-style: none; }
button { cursor: pointer; background: none; border: none; font-family: inherit; }

/* ── Variables ─────────────────────────────────────────────── */
:root {
    --bg:       #FAFAF8;
    --bg-alt:   #F2F0EC;
    --bg-dark:  #1A1A18;
    --text:     #202020;
    --accent:   #B7A189;
    --gray:     #6E6E6E;
    --gray-lt:  #ABABAB;
    --border:   #E5E2DD;
    --positive: #2D9F5D;
    --shadow:   0 2px 20px rgba(32,32,32,0.06);
    --shadow-lg:0 8px 48px rgba(32,32,32,0.1);
    --max-w:    1200px;
    --pad-x:    72px;
    --ease-out: cubic-bezier(0.16,1,0.3,1);
}

/* ── Layout ─────────────────────────────────────────────────── */
.rc-container { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--pad-x); }
.rc-section    { padding: 120px 0; }
.rc-section--alt  { background: var(--bg-alt); }
.rc-section--dark { background: var(--bg-dark); }

/* ── Kicker ──────────────────────────────────────────────────── */
.rc-kicker {
    font-size: 0.56rem;
    font-weight: 500;
    letter-spacing: 0.42em;
    text-transform: uppercase;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}
.rc-kicker::before {
    content: '';
    display: block;
    width: 28px; height: 1px;
    background: var(--accent);
    opacity: 0.6;
}
.rc-kicker--light { color: rgba(183,161,137,0.7); }
.rc-kicker--light::before { background: rgba(183,161,137,0.7); }

/* ── Reveal ──────────────────────────────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.1s; }
.reveal-d2 { transition-delay: 0.2s; }
.reveal-d3 { transition-delay: 0.3s; }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn-primary {
    display: inline-block;
    padding: 14px 40px;
    background: var(--text);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    transition: background 0.3s;
}
.btn-primary:hover { background: var(--accent); }
.btn-outline {
    display: inline-block;
    padding: 14px 32px;
    border: 1px solid var(--border);
    color: var(--gray);
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    transition: border-color 0.3s, color 0.3s;
}
.btn-outline:hover { border-color: var(--text); color: var(--text); }
.btn-apply {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: var(--text);
    color: #fff;
    font-size: 0.65rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    transition: background 0.3s;
}
.btn-apply:hover { background: var(--accent); }
.btn-apply::after { content: '→'; font-size: 0.8rem; }

/* ================================================================
   HEADER
================================================================ */
.rc-header {
    position: fixed;
    top: 0; left: 0; width: 100%;
    z-index: 100;
    height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--pad-x);
    background: rgba(250,250,248,0.94);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}
.rc-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.56rem;
    letter-spacing: 0.28em;
    color: var(--gray-lt);
    text-transform: uppercase;
}
.rc-logo-mark {
    font-family: 'DM Serif Display', serif;
    font-style: italic;
    font-size: 1.3rem;
    color: var(--text);
    letter-spacing: -0.02em;
}
.rc-logo-sep { color: var(--border); margin: 0 6px; }
.rc-logo-badge {
    font-size: 0.56rem;
    letter-spacing: 0.28em;
    color: var(--accent);
    text-transform: uppercase;
    font-weight: 500;
}
.rc-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}
.rc-nav a {
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    color: var(--gray);
    transition: color 0.3s;
}
.rc-nav a:hover { color: var(--text); }
.rc-nav-cta {
    padding: 8px 24px;
    border: 1px solid var(--border);
    color: var(--text) !important;
    transition: background 0.3s !important;
}
.rc-nav-cta:hover {
    background: var(--text) !important;
    color: #fff !important;
    border-color: var(--text) !important;
}

/* ================================================================
   01 HERO
================================================================ */
.rc-hero {
    min-height: 100svh;
    padding-top: 68px;
    background: var(--bg-dark);
    display: flex;
    align-items: flex-end;
    position: relative;
    overflow: hidden;
}
.rc-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 60% at 75% 40%, rgba(183,161,137,0.06) 0%, transparent 70%),
        radial-gradient(ellipse 40% 40% at 20% 70%, rgba(183,161,137,0.04) 0%, transparent 60%);
    pointer-events: none;
}
.rc-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: end;
    padding-bottom: 100px;
    width: 100%;
}
.rc-hero-num {
    font-family: 'DM Serif Display', serif;
    font-style: italic;
    font-size: clamp(8rem, 18vw, 18rem);
    color: rgba(255,255,255,0.04);
    line-height: 0.85;
    letter-spacing: -0.04em;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    white-space: nowrap;
    user-select: none;
}
.rc-hero-left { }
.rc-hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 6px 16px;
    border: 1px solid rgba(183,161,137,0.25);
    background: rgba(183,161,137,0.06);
    font-size: 0.58rem;
    letter-spacing: 0.35em;
    color: var(--accent);
    text-transform: uppercase;
    font-weight: 500;
    margin-bottom: 36px;
}
.rc-hero-tag span {
    width: 5px; height: 5px;
    border-radius: 50%;
    background: var(--accent);
    display: block;
}
.rc-hero-title {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(2.4rem, 5vw, 4.8rem);
    font-weight: 400;
    color: #fff;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 32px;
}
.rc-hero-title em { font-style: italic; color: var(--accent); }
.rc-hero-desc {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.4);
    line-height: 2;
    max-width: 420px;
    margin-bottom: 48px;
}
.rc-hero-right {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.rc-hero-stat {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}
.rc-hero-stat:last-child { border-bottom: 1px solid rgba(255,255,255,0.06); padding-bottom: 20px; }
.rc-hero-stat-num {
    font-family: 'DM Serif Display', serif;
    font-style: italic;
    font-size: 2.4rem;
    color: var(--accent);
    letter-spacing: -0.02em;
    line-height: 1;
}
.rc-hero-stat-label {
    font-size: 0.65rem;
    color: rgba(255,255,255,0.3);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

/* ================================================================
   02 CULTURE
================================================================ */
.culture-heading {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    font-weight: 400;
    letter-spacing: -0.02em;
    color: var(--text);
    margin-bottom: 12px;
    line-height: 1.2;
}
.culture-sub {
    font-size: 0.88rem;
    color: var(--gray);
    margin-bottom: 72px;
    max-width: 500px;
}
.culture-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    background: var(--border);
}
.culture-card {
    background: var(--bg);
    padding: 48px 36px;
    position: relative;
    overflow: hidden;
    transition: background 0.3s;
}
.culture-card:hover { background: var(--bg-alt); }
.culture-card-num {
    font-family: 'DM Serif Display', serif;
    font-style: italic;
    font-size: 5rem;
    color: rgba(183,161,137,0.12);
    line-height: 1;
    position: absolute;
    top: 16px; right: 20px;
    letter-spacing: -0.04em;
    pointer-events: none;
}
.culture-icon {
    font-size: 1.8rem;
    margin-bottom: 24px;
}
.culture-card-title {
    font-family: 'DM Serif Display', serif;
    font-size: 1.25rem;
    font-weight: 400;
    letter-spacing: -0.01em;
    color: var(--text);
    margin-bottom: 14px;
}
.culture-card-desc {
    font-size: 0.82rem;
    color: var(--gray);
    line-height: 1.95;
}

/* ================================================================
   03 POSITIONS
================================================================ */
.positions-heading {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    font-weight: 400;
    letter-spacing: -0.02em;
    color: var(--text);
    margin-bottom: 12px;
}
.positions-sub {
    font-size: 0.88rem;
    color: var(--gray);
    margin-bottom: 60px;
}
.dept-filter {
    display: flex;
    gap: 8px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}
.dept-btn {
    padding: 7px 20px;
    border: 1px solid var(--border);
    font-size: 0.62rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--gray);
    cursor: pointer;
    background: #fff;
    transition: all 0.25s;
}
.dept-btn:hover,
.dept-btn.active {
    background: var(--text);
    color: #fff;
    border-color: var(--text);
}
.positions-list { display: flex; flex-direction: column; gap: 2px; }
.position-card {
    background: #fff;
    border: 1px solid var(--border);
    padding: 36px 40px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 24px;
    align-items: center;
    transition: border-color 0.3s, box-shadow 0.3s;
    cursor: pointer;
}
.position-card:hover {
    border-color: rgba(183,161,137,0.4);
    box-shadow: var(--shadow-lg);
}
.position-dept-badge {
    display: inline-block;
    font-size: 0.52rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    padding: 3px 12px;
    border-radius: 100px;
    margin-bottom: 10px;
}
.dept--design   { background: rgba(139,92,246,0.08); color: #6D28D9; border: 1px solid rgba(139,92,246,0.2); }
.dept--eng      { background: rgba(59,130,246,0.08); color: #1D4ED8; border: 1px solid rgba(59,130,246,0.2); }
.dept--ai       { background: rgba(16,185,129,0.08); color: #065F46; border: 1px solid rgba(16,185,129,0.2); }
.dept--biz      { background: rgba(183,161,137,0.1); color: #7A5C3A; border: 1px solid rgba(183,161,137,0.3); }
.dept--pm       { background: rgba(239,68,68,0.07);  color: #991B1B; border: 1px solid rgba(239,68,68,0.2); }

.position-title {
    font-family: 'DM Serif Display', serif;
    font-size: 1.2rem;
    font-weight: 400;
    letter-spacing: -0.01em;
    color: var(--text);
    margin-bottom: 10px;
}
.position-meta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}
.position-tag {
    font-size: 0.65rem;
    color: var(--gray-lt);
    letter-spacing: 0.08em;
    display: flex;
    align-items: center;
    gap: 5px;
}
.position-tag::before {
    content: '';
    display: block;
    width: 4px; height: 4px;
    border-radius: 50%;
    background: var(--gray-lt);
}

/* ================================================================
   04 DETAIL (accordion)
================================================================ */
.position-detail {
    display: none;
    padding: 0 40px 36px;
    background: #fff;
    border: 1px solid var(--border);
    border-top: none;
    margin-top: -2px;
}
.position-detail.is-open { display: block; }
.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    padding-top: 28px;
    border-top: 1px solid var(--border);
}
.detail-section-title {
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gray-lt);
    margin-bottom: 16px;
}
.detail-list { display: flex; flex-direction: column; gap: 8px; }
.detail-list li {
    font-size: 0.82rem;
    color: var(--gray);
    padding-left: 16px;
    position: relative;
    line-height: 1.8;
}
.detail-list li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-size: 0.7rem;
}

/* ================================================================
   05 BENEFITS
================================================================ */
.benefits-heading {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    font-weight: 400;
    letter-spacing: -0.02em;
    color: #fff;
    margin-bottom: 12px;
}
.benefits-sub {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.4);
    margin-bottom: 72px;
}
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
    background: rgba(255,255,255,0.05);
}
.benefit-card {
    background: rgba(255,255,255,0.03);
    padding: 36px 28px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: background 0.3s;
}
.benefit-card:hover { background: rgba(255,255,255,0.06); }
.benefit-icon { font-size: 1.6rem; margin-bottom: 20px; display: block; }
.benefit-title {
    font-size: 0.88rem;
    font-weight: 500;
    color: #fff;
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}
.benefit-desc { font-size: 0.75rem; color: rgba(255,255,255,0.35); line-height: 1.85; }

/* ================================================================
   06 PROCESS
================================================================ */
.process-heading {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    font-weight: 400;
    letter-spacing: -0.02em;
    color: var(--text);
    margin-bottom: 12px;
    text-align: center;
}
.process-sub {
    font-size: 0.88rem;
    color: var(--gray);
    margin-bottom: 72px;
    text-align: center;
}
.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
}
.process-steps::before {
    content: '';
    position: absolute;
    top: 28px;
    left: 12%;
    width: 76%;
    height: 1px;
    background: linear-gradient(90deg, var(--border), var(--accent), var(--border));
}
.process-step {
    text-align: center;
    padding: 0 20px;
    position: relative;
}
.process-step-dot {
    width: 56px; height: 56px;
    border-radius: 50%;
    background: var(--bg);
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    position: relative;
    z-index: 1;
    transition: border-color 0.3s, background 0.3s;
}
.process-step:hover .process-step-dot {
    border-color: var(--accent);
    background: rgba(183,161,137,0.08);
}
.process-step-num {
    font-family: 'DM Serif Display', serif;
    font-style: italic;
    font-size: 1.1rem;
    color: var(--accent);
    line-height: 1;
}
.process-step-title {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}
.process-step-desc {
    font-size: 0.72rem;
    color: var(--gray-lt);
    line-height: 1.8;
}

/* ================================================================
   CTA
================================================================ */
.rc-cta {
    background: var(--bg-alt);
    padding: 100px 0;
    text-align: center;
    border-top: 1px solid var(--border);
}
.rc-cta-heading {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 400;
    color: var(--text);
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}
.rc-cta-heading em { font-style: italic; color: var(--accent); }
.rc-cta-sub { font-size: 0.9rem; color: var(--gray); margin-bottom: 48px; }
.rc-cta-btns { display: flex; gap: 16px; justify-content: center; }

/* ================================================================
   FOOTER
================================================================ */
.rc-footer {
    background: var(--text);
    padding: 48px 0;
}
.rc-footer-inner { display: flex; justify-content: space-between; align-items: center; }
.rc-footer-copy { font-size: 0.62rem; letter-spacing: 0.1em; color: rgba(255,255,255,0.2); }
.rc-footer-back {
    font-size: 0.65rem;
    letter-spacing: 0.18em;
    color: rgba(255,255,255,0.4);
    border-bottom: 1px solid rgba(255,255,255,0.15);
    padding-bottom: 2px;
    transition: color 0.3s, border-color 0.3s;
}
.rc-footer-back:hover { color: var(--accent); border-color: var(--accent); }

/* ================================================================
   RESPONSIVE
================================================================ */
@media (max-width: 1100px) {
    :root { --pad-x: 48px; }
    .rc-hero-grid { grid-template-columns: 1fr; gap: 56px; }
    .benefits-grid { grid-template-columns: repeat(2, 1fr); }
    .process-steps { grid-template-columns: repeat(2, 1fr); gap: 40px; }
    .process-steps::before { display: none; }
}
@media (max-width: 768px) {
    :root { --pad-x: 24px; }
    .rc-section { padding: 80px 0; }
    .rc-nav { display: none; }
    .culture-grid { grid-template-columns: 1fr; gap: 2px; }
    .position-card { grid-template-columns: 1fr; }
    .detail-grid { grid-template-columns: 1fr; gap: 28px; }
    .benefits-grid { grid-template-columns: 1fr; }
    .rc-cta-btns { flex-direction: column; align-items: center; }
    .rc-footer-inner { flex-direction: column; gap: 16px; text-align: center; }
}