/* ================================================
   成勢アフリカンフーズ — Corporate Site
   Style: Navy / Ivory / Ochre. Quiet, editorial.
   ================================================ */

:root {
  --navy: #0f2741;
  --navy-deep: #0a1d32;
  --navy-soft: #1b3a5b;
  --ivory: #f6f1e8;
  --ivory-warm: #ede5d3;
  --paper: #ffffff;
  --ochre: #c9a35a;
  --ochre-deep: #a88538;
  --earth: #5a7a5a;
  --ink: #14161a;
  --ink-soft: #3a4452;
  --muted: #6b7485;
  --muted-inv: #a8b3c5;
  --border: rgba(15, 39, 65, 0.1);
  --border-dark: rgba(246, 241, 232, 0.12);
  --max: 1240px;
  --radius: 4px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "Noto Sans JP", "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 400;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.85;
  font-size: 15px;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; background: none; border: none; color: inherit; }

em {
  font-style: italic;
  font-family: "Fraunces", "Noto Serif JP", serif;
  font-weight: 500;
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
}

/* Reveal animation base */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s cubic-bezier(0.2, 0.7, 0.2, 1),
              transform 0.9s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ======================== HEADER ======================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
.site-header.is-scrolled {
  border-bottom-color: var(--border);
  background: rgba(255, 255, 255, 0.95);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.1;
}
.logo-jp {
  font-family: "Noto Serif JP", serif;
  color: var(--navy);
  display: flex;
  align-items: baseline;
  gap: 2px;
}
.logo-mark {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.logo-suffix {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.03em;
  margin-left: 4px;
  opacity: 0.92;
}
.logo-en {
  font-family: "Inter", sans-serif;
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.24em;
  color: var(--ochre-deep);
  padding-top: 2px;
  border-top: 1px solid rgba(201, 163, 90, 0.3);
  display: inline-block;
  width: fit-content;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav a {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
  transition: color 0.2s;
  position: relative;
}
.nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 1px;
  background: var(--navy);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}
.nav a:not(.nav-cta):hover {
  color: var(--navy);
}
.nav a:not(.nav-cta):hover::after {
  transform: scaleX(1);
}
.nav-cta {
  padding: 10px 18px;
  background: var(--navy);
  color: var(--ivory) !important;
  border-radius: 999px;
  font-size: 13px !important;
  font-weight: 600 !important;
  letter-spacing: 0.05em;
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--navy-deep); }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  padding: 12px;
}
.nav-toggle span {
  display: block;
  width: 100%; height: 1.5px;
  background: var(--navy);
  margin: 5px 0;
  transition: 0.3s;
}
.nav-toggle.is-open span:first-child { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.is-open span:last-child { transform: translateY(-6.5px) rotate(-45deg); }

/* ======================== HERO ======================== */
.hero {
  padding-top: 140px;
  background: var(--ivory);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(15, 39, 65, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.6;
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 60px;
  align-items: center;
  padding-bottom: 100px;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "Inter", sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--ochre-deep);
  text-transform: uppercase;
  margin-bottom: 36px;
}
.eyebrow-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ochre);
  box-shadow: 0 0 0 4px rgba(201, 163, 90, 0.2);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 4px rgba(201, 163, 90, 0.2); }
  50% { box-shadow: 0 0 0 8px rgba(201, 163, 90, 0); }
}

.hero-title {
  font-family: "Noto Serif JP", serif;
  font-size: clamp(38px, 5.2vw, 64px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--navy);
  margin-bottom: 36px;
  word-break: keep-all;
}
.hero-title .ht-line {
  display: block;
  white-space: nowrap;
}
.hero-title em {
  color: var(--ochre-deep);
  font-weight: 600;
}

.hero-lead {
  font-size: 15px;
  line-height: 2;
  color: var(--ink-soft);
  max-width: 560px;
  margin-bottom: 44px;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.05em;
  border-radius: 999px;
  transition: 0.25s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.btn-primary {
  background: var(--navy);
  color: var(--ivory);
}
.btn-primary:hover {
  background: var(--navy-deep);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(15, 39, 65, 0.2);
}
.btn-ghost {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--navy);
}
.btn-ghost:hover {
  background: var(--navy);
  color: var(--ivory);
}

/* Hero visual (Africa map) */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}
.africa-map {
  width: 100%;
  max-width: 460px;
  height: auto;
  filter: drop-shadow(0 20px 40px rgba(15, 39, 65, 0.08));
}
.pulse-ring {
  transform-origin: 162px 262px;
  animation: pulse-ring 2.5s ease-out infinite;
}
@keyframes pulse-ring {
  0% { transform: scale(0.8); opacity: 0.8; }
  100% { transform: scale(2); opacity: 0; }
}

/* Hero facts band */
.hero-facts {
  background: var(--paper);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 32px 0;
  position: relative;
  z-index: 1;
}
.facts-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.fact-label {
  font-family: "Inter", sans-serif;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.fact-value {
  font-family: "Noto Serif JP", serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--navy);
}

/* ======================== SECTION BASE ======================== */
.section {
  padding: 130px 0;
  position: relative;
}
.section-light {
  background: var(--paper);
  color: var(--ink);
}
.section-dark {
  background: var(--navy);
  color: var(--ivory);
}
.section-accent {
  background: var(--ivory-warm);
  color: var(--ink);
}

.section-head {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 56px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
  font-family: "Inter", sans-serif;
}
.section-dark .section-head { border-bottom-color: var(--border-dark); }
.section-idx {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--ochre-deep);
}
.section-dark .section-idx { color: var(--ochre); }
.section-label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--muted);
}
.section-dark .section-label { color: var(--muted-inv); }

.section-title {
  font-family: "Noto Serif JP", serif;
  font-size: clamp(32px, 4.2vw, 54px);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--navy);
  margin-bottom: 32px;
}
.section-dark .section-title { color: var(--ivory); }
.section-title em { color: var(--ochre-deep); }
.section-dark .section-title em { color: var(--ochre); }
.title-sub {
  display: block;
  font-size: 0.55em;
  color: var(--muted-inv);
  font-weight: 400;
  font-style: normal;
  letter-spacing: 0.05em;
  margin-top: 12px;
}

.section-lead {
  font-size: 15px;
  line-height: 2;
  color: var(--ink-soft);
  max-width: 720px;
  margin-bottom: 56px;
}
.section-dark .section-lead { color: var(--muted-inv); }
.section-accent .section-lead { color: var(--ink-soft); }

/* ======================== ABOUT ======================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  margin-bottom: 100px;
}
.about-title {
  font-family: "Noto Serif JP", serif;
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 600;
  line-height: 1.4;
  color: var(--navy);
  letter-spacing: -0.005em;
}
.about-title em { color: var(--ochre-deep); }
.about-body p {
  font-size: 15px;
  line-height: 2.05;
  color: var(--ink-soft);
  margin-bottom: 20px;
}
.about-body p:last-child { margin-bottom: 0; }

/* Impact numbers grid */
.impact {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.impact-item {
  padding: 40px 28px;
  border-right: 1px solid var(--border);
  position: relative;
}
.impact-item:last-child { border-right: none; }
.impact-num {
  font-family: "Fraunces", "Noto Serif JP", serif;
  font-size: clamp(46px, 5vw, 68px);
  font-weight: 500;
  line-height: 1;
  color: var(--navy);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.impact-label {
  font-family: "Inter", sans-serif;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ochre-deep);
  margin-bottom: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.impact-label span {
  color: var(--muted);
  font-weight: 500;
  letter-spacing: 0.1em;
}
.impact-desc {
  font-size: 13px;
  line-height: 1.85;
  color: var(--muted);
}

/* ======================== CORPORATE INFO ======================== */
.corporate-info {
  margin-top: 72px;
  padding: 48px 0 0;
  border-top: 1px solid var(--border);
}
.ci-head {
  font-family: "Inter", sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ochre-deep);
  margin-bottom: 32px;
}
.ci-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--border);
}
.ci-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 24px 22px 0;
  border-bottom: 1px solid var(--border);
}
.ci-row dt {
  font-family: "Inter", sans-serif;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}
.ci-row dd {
  font-family: "Noto Serif JP", serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.ci-row dd span {
  font-family: "Inter", sans-serif;
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.05em;
}

/* ======================== EDGE (Our competitive edge) ======================== */
.edge-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 72px;
}
.edge-item {
  padding: 44px 36px;
  background: rgba(246, 241, 232, 0.04);
  border: 1px solid var(--border-dark);
  border-radius: 8px;
  transition: 0.3s;
}
.edge-item:hover {
  border-color: var(--ochre);
  transform: translateY(-4px);
}
.edge-num {
  font-family: "Fraunces", serif;
  font-size: 44px;
  font-weight: 500;
  color: var(--ochre);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.edge-item h3 {
  font-family: "Noto Serif JP", serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--ivory);
  letter-spacing: -0.005em;
  margin-bottom: 16px;
  line-height: 1.4;
}
.edge-item p {
  font-size: 14px;
  line-height: 2;
  color: var(--muted-inv);
}
.edge-item p em {
  color: var(--ochre);
  font-weight: 600;
}

/* ======================== JOIN (Careers simplified) ======================== */
.join-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
}
.join-lead h2 {
  font-family: "Noto Serif JP", serif;
  font-size: clamp(32px, 4.2vw, 54px);
  font-weight: 600;
  line-height: 1.3;
  color: var(--navy);
  letter-spacing: -0.01em;
  margin-bottom: 28px;
}
.join-lead h2 em { color: var(--ochre-deep); }
.join-lead p {
  font-size: 15px;
  line-height: 2;
  color: var(--ink-soft);
  margin-bottom: 36px;
  max-width: 560px;
}
.join-side {
  padding: 44px 44px 40px;
  background: var(--paper);
  border-left: 3px solid var(--ochre);
  border-radius: 4px;
}
.join-manifesto {
  font-family: "Noto Serif JP", serif;
  font-size: 15px;
  font-weight: 500;
  line-height: 2.1;
  color: var(--navy);
  letter-spacing: 0.005em;
  margin-bottom: 28px;
}
.join-manifesto p {
  margin-bottom: 16px;
}
.join-manifesto p:last-child {
  margin-bottom: 0;
}
.join-manifesto em {
  color: var(--ochre-deep);
  font-weight: 600;
  font-style: normal;
  font-family: "Noto Serif JP", serif;
}
.join-lead p + p {
  margin-top: 20px;
}
.join-lead p:last-of-type {
  margin-bottom: 36px;
}
.join-cite {
  font-family: "Inter", sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ochre-deep);
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

/* ======================== WHY ======================== */
.why-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: start;
}
.why-text h2 {
  font-family: "Noto Serif JP", serif;
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 600;
  line-height: 1.4;
  color: var(--navy);
  margin-bottom: 32px;
}
.why-text h2 em { color: var(--ochre-deep); }
.why-body p {
  font-size: 15px;
  line-height: 2.05;
  color: var(--ink-soft);
  margin-bottom: 20px;
}

.why-signals {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.signal {
  padding: 32px 28px;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: 0.25s;
}
.signal:hover {
  border-color: var(--ochre);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(15, 39, 65, 0.06);
}
.signal-label {
  font-family: "Inter", sans-serif;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 18px;
}
.signal-value {
  font-family: "Fraunces", serif;
  font-size: 48px;
  font-weight: 500;
  line-height: 1;
  color: var(--navy);
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.signal-value span {
  font-size: 16px;
  color: var(--muted);
  font-weight: 400;
  margin-left: 6px;
  letter-spacing: 0;
}
.signal-sub {
  font-family: "Inter", sans-serif;
  font-size: 11.5px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

/* ======================== ROADMAP ======================== */
.roadmap {
  margin-top: 72px;
  position: relative;
  padding-left: 32px;
}
.rm-line {
  position: absolute;
  left: 4px;
  top: 12px; bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--ochre) 0%, rgba(201, 163, 90, 0.1) 100%);
}
.rm-phase {
  padding: 0 0 56px 40px;
  position: relative;
}
.rm-phase:last-child { padding-bottom: 0; }
.rm-dot {
  position: absolute;
  left: -32px;
  top: 8px;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--navy);
  border: 2px solid var(--ochre);
}
.rm-dot.active {
  background: var(--ochre);
  box-shadow: 0 0 0 4px rgba(201, 163, 90, 0.25);
}
.rm-year {
  font-family: "Inter", sans-serif;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--ochre);
  margin-bottom: 10px;
  text-transform: uppercase;
}
.rm-phase h3 {
  font-family: "Fraunces", serif;
  font-size: 28px;
  font-weight: 600;
  color: var(--ivory);
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}
.rm-phase p {
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--muted-inv);
  max-width: 720px;
}
.rm-status {
  display: inline-block;
  margin-top: 14px;
  padding: 5px 12px;
  background: var(--ochre);
  color: var(--navy-deep);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.2em;
  border-radius: 999px;
}

/* ======================== TEAM ======================== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 60px;
}
.team-card {
  padding: 40px 32px;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: 0.25s;
  border-top: 3px solid var(--ochre);
}
.team-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 40px rgba(15, 39, 65, 0.08);
}
.team-role {
  font-family: "Inter", sans-serif;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ochre-deep);
  margin-bottom: 16px;
}
.team-card h3 {
  font-family: "Noto Serif JP", serif;
  font-size: 19px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 16px;
  line-height: 1.5;
}
.team-card p {
  font-size: 13.5px;
  line-height: 1.95;
  color: var(--ink-soft);
}

/* ======================== CAREERS ======================== */
.roles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin: 60px 0 56px;
}
.role {
  padding: 40px 32px;
  background: var(--paper);
  border-radius: 6px;
  border: 1px solid var(--border);
  transition: 0.25s;
}
.role:hover {
  transform: translateY(-4px);
  border-color: var(--ochre);
}
.role-num {
  font-family: "Inter", sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--ochre-deep);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.role h3 {
  font-family: "Noto Serif JP", serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 20px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}
.role ul {
  list-style: none;
}
.role li {
  font-size: 13.5px;
  padding: 7px 0 7px 18px;
  position: relative;
  color: var(--ink-soft);
  line-height: 1.8;
}
.role li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--ochre);
}

.careers-cta {
  text-align: center;
}

/* ======================== CONTACT ======================== */
.contact-title {
  font-family: "Noto Serif JP", serif;
  font-size: clamp(34px, 4.5vw, 58px);
  font-weight: 600;
  line-height: 1.3;
  color: var(--ivory);
  letter-spacing: -0.01em;
  margin-bottom: 28px;
}
.contact-title em { color: var(--ochre); }
.contact-lead {
  font-size: 15px;
  line-height: 2.1;
  color: var(--muted-inv);
  max-width: 760px;
  margin-bottom: 60px;
}
.contact-lead em {
  color: var(--ochre);
  font-weight: 600;
  font-style: normal;
  font-family: "Noto Serif JP", serif;
}

.contact-links {
  border-top: 1px solid var(--border-dark);
}
.contact-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 32px 8px;
  border-bottom: 1px solid var(--border-dark);
  transition: 0.25s;
  gap: 20px;
}
.contact-link:hover {
  padding-left: 20px;
  background: rgba(201, 163, 90, 0.06);
}
.cl-role {
  font-family: "Inter", sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ochre);
  margin-bottom: 6px;
}
.cl-label {
  font-family: "Noto Serif JP", serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--ivory);
}
.cl-right {
  display: flex;
  align-items: center;
  gap: 24px;
}
.cl-email {
  font-family: "Inter", sans-serif;
  font-size: 14px;
  color: var(--muted-inv);
  letter-spacing: 0.01em;
}
.cl-arrow {
  font-size: 24px;
  color: var(--ochre);
  transition: transform 0.25s;
}
.contact-link:hover .cl-arrow {
  transform: translateX(8px);
}

/* ======================== FOOTER ======================== */
.site-footer {
  background: var(--navy-deep);
  color: var(--muted-inv);
  padding: 80px 0 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.3fr 1fr;
  gap: 48px;
  padding-bottom: 60px;
  border-bottom: 1px solid var(--border-dark);
}
.footer-brand {}
.footer-logo {
  line-height: 1.3;
  margin-bottom: 18px;
}
.footer-wordmark {
  font-family: "Noto Serif JP", serif;
  font-size: 44px;
  font-weight: 700;
  color: var(--ivory);
  letter-spacing: 0.04em;
  line-height: 1;
  margin-bottom: 12px;
}
.footer-jp {
  font-family: "Noto Serif JP", serif;
  font-size: 15px;
  font-weight: 500;
  color: var(--ivory);
  opacity: 0.9;
}
.footer-en {
  font-family: "Inter", sans-serif;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--ochre);
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid rgba(201, 163, 90, 0.25);
  display: inline-block;
}
.footer-tagline {
  font-family: "Noto Serif JP", serif;
  font-size: 14px;
  color: var(--muted-inv);
  line-height: 1.8;
}
.footer-tagline span {
  font-family: "Fraunces", serif;
  font-style: italic;
  color: var(--ochre);
  font-size: 13px;
}

.footer-label {
  font-family: "Inter", sans-serif;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ochre);
  margin-bottom: 16px;
}
.footer-col p,
.footer-col a {
  font-size: 13px;
  color: var(--muted-inv);
  line-height: 2.1;
  display: block;
  transition: color 0.2s;
}
.footer-col a:hover {
  color: var(--ivory);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 32px;
  font-family: "Inter", sans-serif;
  font-size: 11.5px;
  color: var(--muted-inv);
  letter-spacing: 0.05em;
}

/* ======================== RESPONSIVE ======================== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 380px; margin: 0 auto; }
  .about-grid,
  .why-grid,
  .join-grid { grid-template-columns: 1fr; gap: 48px; }
  .edge-grid,
  .team-grid,
  .roles { grid-template-columns: 1fr; }
  .facts-grid { grid-template-columns: 1fr 1fr 1fr; gap: 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .ci-list { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 520px) {
  .ci-list { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .container { padding: 0 24px; }
  .site-header .header-inner { height: 64px; }
  .nav {
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: var(--paper);
    flex-direction: column;
    align-items: stretch;
    padding: 24px;
    gap: 0;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(15, 39, 65, 0.08);
    transform: translateY(-110%);
    transition: transform 0.35s cubic-bezier(0.2, 0.7, 0.2, 1);
  }
  .nav.is-open { transform: translateY(0); }
  .nav a {
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
  }
  .nav a:last-child { border-bottom: none; }
  .nav-cta { text-align: center; margin-top: 14px; border: none; }
  .nav-toggle { display: block; }

  .hero { padding-top: 112px; }
  .hero-inner { padding-bottom: 64px; }
  .section { padding: 80px 0; }
  .section-head { flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
  .impact { grid-template-columns: 1fr; }
  .impact-item {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .impact-item:last-child { border-bottom: none; }
  .facts-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .why-signals { grid-template-columns: 1fr 1fr; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; }

  .contact-link {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .cl-right { flex-direction: column; align-items: flex-start; gap: 8px; }
  .cl-email { font-size: 12.5px; word-break: break-all; }

  .btn { padding: 14px 24px; font-size: 13px; }
  .hero-cta { flex-direction: column; width: 100%; }
  .btn { width: 100%; justify-content: center; }
}