:root {
  --navy: #000665;
  --navy-light: #0a1a8a;
  --navy-dark: #000440;
  --accent: #4FC3F7;
  --accent-warm: #FF8A65;
  --gold: #FFD54F;
  --white: #FFFFFF;
  --gray-light: #E8EAF6;
  --text-on-dark: #C5CAE9;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', 'Inter', sans-serif;
  background: var(--navy-dark);
  color: var(--white);
  overflow-x: hidden;
}

/* ===== GLOBAL NAV ===== */
.global-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  padding: 14px 24px;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.4s ease, border-color 0.4s ease;
}

.global-nav.scrolled {
  background: rgba(0, 4, 64, 0.85);
  backdrop-filter: blur(16px);
  border-bottom-color: rgba(79, 195, 247, 0.15);
}

.global-nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.global-nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.global-nav-brand img {
  height: 26px;
  display: block;
}

/* ロゴ横の「10th」ロックアップ */
.brand-anniv {
  display: inline-flex;
  align-items: baseline;
  padding-left: 11px;
  border-left: 1px solid rgba(255, 255, 255, 0.28);
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--accent);
}

.brand-anniv-sup {
  font-size: 0.62em;
  font-weight: 700;
  margin-left: 1px;
}

.global-nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.global-nav-links a {
  color: var(--text-on-dark);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 8px 16px;
  border-radius: 100px;
  white-space: nowrap;
  transition: color 0.3s, background 0.3s;
}

.global-nav-links a:hover {
  color: var(--white);
}

.global-nav-links a.active {
  color: var(--white);
  background: rgba(79, 195, 247, 0.14);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(circle at 30% 50%, rgba(79, 195, 247, 0.20) 0%, transparent 55%),
    radial-gradient(circle at 72% 28%, rgba(255, 138, 101, 0.12) 0%, transparent 45%),
    linear-gradient(170deg, rgba(0,4,64,0.82) 0%, rgba(0,6,101,0.68) 50%, rgba(0,4,64,0.90) 100%);
  animation: overlayPulse 14s ease-in-out infinite alternate;
}

@keyframes overlayPulse {
  0%   { opacity: 1; }
  100% { opacity: 0.82; }
}

.hero-content {
  position: relative;
  z-index: 2;
}

/* Hero entrance animations */
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-logo {
  display: block;
  width: 160px;
  margin: 0 auto 48px;
  opacity: 0;
  animation: heroFadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
}

.hero-badge {
  display: inline-block;
  padding: 8px 24px;
  border: 1px solid rgba(79, 195, 247, 0.4);
  border-radius: 100px;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 32px;
  backdrop-filter: blur(4px);
  opacity: 0;
  animation: heroFadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.55s forwards;
}

.hero h1 {
  font-family: 'Inter', sans-serif;
  font-weight: 900;
  font-size: clamp(3rem, 8vw, 7rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
  opacity: 0;
  animation: heroFadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.75s forwards;
}

.hero h1 .accent {
  background: linear-gradient(135deg, var(--accent), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-concept {
  font-family: 'Inter', sans-serif;
  font-size: clamp(1rem, 2.2vw, 1.6rem);
  font-weight: 300;
  letter-spacing: 0.14em;
  margin-top: 20px;
  opacity: 0;
  animation: heroFadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.92s forwards;
}

.hero-concept em {
  font-style: normal;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(0.8rem, 1.4vw, 1rem);
  font-weight: 300;
  color: var(--text-on-dark);
  margin-top: 12px;
  letter-spacing: 0.1em;
  opacity: 0;
  animation: heroFadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) 1.1s forwards;
}

.scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-on-dark);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  opacity: 0;
  transition: opacity 0.8s ease;
  z-index: 2;
}

.scroll-hint.bouncing {
  opacity: 0.6;
  animation: scrollBounce 2.4s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(9px); }
}

.scroll-hint .arrow {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}

/* ===== CEO MESSAGE ===== */
/* ===== MISSION ===== */
.mission-section {
  padding: 160px 24px 120px;
  background:
    radial-gradient(circle at 75% 22%, rgba(79, 195, 247, 0.12) 0%, transparent 55%),
    radial-gradient(circle at 12% 82%, rgba(255, 138, 101, 0.07) 0%, transparent 50%),
    linear-gradient(180deg, var(--navy-dark) 0%, rgba(0,6,101,0.5) 50%, var(--navy-dark) 100%);
  position: relative;
  overflow: hidden;
  scroll-margin-top: 64px;
}

.mission-inner {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.mission-eyebrow {
  display: inline-block;
  padding: 6px 20px;
  border: 1px solid rgba(79, 195, 247, 0.35);
  border-radius: 100px;
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  color: var(--accent);
  margin-bottom: 32px;
}

.mission-headline {
  font-family: 'Noto Sans JP', 'Inter', sans-serif;
  font-weight: 900;
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1.3;
  letter-spacing: 0.03em;
  margin-bottom: 48px;
}

.mission-headline em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mission-body {
  font-size: clamp(0.85rem, 1.3vw, 0.98rem);
  font-weight: 300;
  line-height: 2.1;
  color: var(--text-on-dark);
  letter-spacing: 0.04em;
  text-align: left;
  max-width: 680px;
  margin: 0 auto;
}

.mission-body p + p {
  margin-top: 1.4em;
}

.mission-body p:last-child {
  margin-top: 1.6em;
  color: var(--white);
  font-weight: 400;
}

/* ===== CEO MESSAGE ===== */
.ceo-message {
  position: relative;
  min-height: 74vh;
  display: flex;
  align-items: center;
  padding: 90px 24px;
  background: var(--navy-dark);
  overflow: hidden;
  scroll-margin-top: 64px;
}

/* 画像レイヤー: 右寄せ＋小さめ。エッジをマスクでフェードしネイビー背景に溶け込ませる */
.ceo-message-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: url('../images/ceo/image3.jpg') no-repeat right center;
  background-size: auto 88%;
  /* 画像の左端より手前まで透明を保ってから徐々にフェードインし、境目を見せない */
  -webkit-mask-image:
    linear-gradient(90deg, transparent 0%, transparent 46%, #000 86%),
    linear-gradient(180deg, transparent 0%, #000 9%, #000 91%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image:
    linear-gradient(90deg, transparent 0%, transparent 46%, #000 86%),
    linear-gradient(180deg, transparent 0%, #000 9%, #000 91%, transparent 100%);
  mask-composite: intersect;
}

/* 文字が乗る左側はしっかり暗くして可読性を担保（右の人物に向けて抜ける） */
.ceo-message-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(0,4,64,0.9) 0%, rgba(0,4,64,0.7) 28%, rgba(0,4,64,0.3) 46%, rgba(0,4,64,0) 60%);
}

.ceo-message-inner {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.ceo-message-content {
  max-width: 560px;
}

.ceo-message-label {
  display: inline-block;
  margin-bottom: 20px;
  padding: 6px 20px;
  border: 1px solid rgba(79, 195, 247, 0.4);
  border-radius: 100px;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--accent);
}

.ceo-headline {
  font-family: 'Noto Sans JP', 'Inter', sans-serif;
  font-weight: 900;
  font-size: clamp(1.7rem, 3.4vw, 2.7rem);
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--white);
  margin: 0 0 44px;
}

.ceo-headline em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ceo-quote {
  font-size: clamp(0.85rem, 1.4vw, 1rem);
  font-weight: 300;
  line-height: 2.05;
  color: var(--white);
  border: none;
  padding: 0;
  margin: 0;
  letter-spacing: 0.04em;
  text-shadow: 0 2px 24px rgba(0, 4, 64, 0.6);
}

.ceo-quote p + p {
  margin-top: 1.3em;
}

.ceo-info {
  margin-top: 36px;
  padding-left: 16px;
  border-left: 2px solid var(--accent);
}

.ceo-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
}

.ceo-title {
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--text-on-dark);
  letter-spacing: 0.08em;
  margin-top: 2px;
}

/* note記事への導線（参考リンク） */
.ceo-note-link {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 32px;
  padding: 16px 20px;
  max-width: 540px;
  border: 1px solid rgba(79, 195, 247, 0.3);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  text-decoration: none;
  transition: border-color 0.25s ease, background 0.25s ease, transform 0.25s ease;
}

.ceo-note-link:hover {
  border-color: rgba(79, 195, 247, 0.6);
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
}

.ceo-note-tag {
  flex-shrink: 0;
  padding: 4px 12px;
  border-radius: 6px;
  background: var(--white);
  color: var(--navy-dark);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.ceo-note-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.ceo-note-title {
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--white);
}

.ceo-note-meta {
  font-size: 0.78rem;
  font-weight: 300;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.ceo-note-arrow {
  flex-shrink: 0;
  margin-left: auto;
  font-size: 1.1rem;
  color: var(--accent);
  transition: transform 0.25s ease;
}

.ceo-note-link:hover .ceo-note-arrow {
  transform: translateX(4px);
}

/* ===== TIMELINE ===== */
/* 歩みをコンパクトに: 年見出し画像を主役にしつつ、カードにも写真を添える */
.timeline-card .timeline-gallery {
  display: grid;
}

.timeline-section {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 24px;
}

/* Phase visual */
.phase-visual {
  display: grid;
  gap: 4px;
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 64px;
}

.phase-visual.count-1 {
  grid-template-columns: 1fr;
  height: 420px;
}

.phase-visual.count-2 {
  grid-template-columns: 3fr 2fr;
  height: 400px;
}

.phase-visual.count-3 {
  grid-template-columns: 2fr 1fr;
  grid-template-rows: 1fr 1fr;
  height: 440px;
}

.phase-visual.count-3 .phase-visual-img:first-child {
  grid-row: 1 / 3;
}

.phase-visual-img {
  overflow: hidden;
  min-height: 0;
}

.phase-visual-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.phase-visual:hover .phase-visual-img img {
  transform: scale(1.03);
}

/* Year block (cover banner + that year's milestones) */
.year-block {
  margin-bottom: 36px;
}

.year-block:last-child {
  margin-bottom: 0;
}

/* Year heading — cover image dropped into the timeline as a heading-styled item */
.timeline-item.year-head {
  padding-bottom: 24px;
}

.timeline-item.year-head .year-head-img {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255, 213, 79, 0.28);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.32);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.timeline-item.year-head .year-head-img img {
  width: 100%;
  height: auto;
  display: block;
}

.timeline-item.year-head:hover .year-head-img {
  transform: translateY(-3px);
}

/* gold heading node — filled to distinguish from milestone dots */
.timeline-item.year-head::before {
  width: 18px;
  height: 18px;
  background: var(--gold);
  border-color: var(--gold);
  box-shadow: 0 0 20px rgba(255, 213, 79, 0.55);
}

.timeline-item.year-head.left::before  { right: -9px; }
.timeline-item.year-head.right::before { left: -9px; }

/* connector line — physically links the year heading to the center timeline */
.timeline-item.year-head::after {
  content: '';
  position: absolute;
  top: 14px;
  height: 2px;
  width: 48px;
  z-index: 1;
}

.timeline-item.year-head.left::after {
  right: 0;
  background: linear-gradient(90deg, rgba(255, 213, 79, 0.15), var(--gold));
}

.timeline-item.year-head.right::after {
  left: 0;
  background: linear-gradient(90deg, var(--gold), rgba(255, 213, 79, 0.15));
}

/* Phase header */
.phase-header {
  text-align: center;
  margin-bottom: 36px;
  scroll-margin-top: 80px;
}

.phase-year {
  font-family: 'Inter', sans-serif;
  font-weight: 900;
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  background: linear-gradient(135deg, rgba(79, 195, 247, 0.15), rgba(255, 213, 79, 0.1));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  /* Initial hidden state */
  opacity: 0;
  filter: blur(16px);
  transform: scale(0.92);
  transition:
    opacity  1.0s cubic-bezier(0.16, 1, 0.3, 1),
    filter   1.0s cubic-bezier(0.16, 1, 0.3, 1),
    transform 1.0s cubic-bezier(0.16, 1, 0.3, 1);
}

.phase-header.visible .phase-year {
  opacity: 1;
  filter: blur(0);
  transform: scale(1);
}

.phase-name {
  font-size: 1.2rem;
  font-weight: 700;
  margin-top: 2px;
  color: var(--white);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s ease 0.3s, transform 0.7s ease 0.3s;
}

.phase-header.visible .phase-name {
  opacity: 1;
  transform: translateY(0);
}

.phase-divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  margin: 16px auto 0;
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.5s;
}

.phase-header.visible .phase-divider {
  transform: scaleX(1);
}

/* Timeline line */
.timeline-track {
  position: relative;
}

.timeline-track::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), rgba(79, 195, 247, 0.08));
  transform: translateX(-50%);
}

/* Timeline item — directional slide-in */
.timeline-item {
  position: relative;
  width: 50%;
  padding: 0 40px 28px;
  opacity: 0;
  transition:
    opacity  0.8s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.timeline-item.left {
  text-align: right;
  padding-right: 48px;
  padding-left: 24px;
  transform: translateX(-48px) translateY(16px);
}

.timeline-item.right {
  margin-left: 50%;
  text-align: left;
  padding-left: 48px;
  padding-right: 24px;
  transform: translateX(48px) translateY(16px);
}

.timeline-item.visible {
  opacity: 1;
  transform: translate(0, 0) !important;
}

/* Dot on timeline */
.timeline-item::before {
  content: '';
  position: absolute;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--navy-dark);
  border: 3px solid var(--accent);
  z-index: 2;
  transition: box-shadow 0.3s;
}

.timeline-item.left::before  { right: -7px; }
.timeline-item.right::before { left: -7px; }

.timeline-item.milestone::before {
  width: 18px;
  height: 18px;
  border-color: var(--gold);
  box-shadow: 0 0 20px rgba(255, 213, 79, 0.4);
}

.timeline-item.milestone.left::before  { right: -9px; }
.timeline-item.milestone.right::before { left: -9px; }

/* Card */
.timeline-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 20px 24px;
  transition: background 0.3s, border-color 0.3s, transform 0.3s;
}

.timeline-card:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(79, 195, 247, 0.2);
  transform: translateY(-3px);
}

.timeline-item.milestone .timeline-card {
  border-color: rgba(255, 213, 79, 0.2);
  background: rgba(255, 213, 79, 0.04);
}

/* Gallery */
.timeline-gallery {
  display: grid;
  gap: 3px;
  margin-bottom: 16px;
  border-radius: 10px;
  overflow: hidden;
}

.timeline-gallery.count-1 {
  grid-template-columns: 1fr;
  height: 300px;
}

.timeline-gallery.count-2 {
  grid-template-columns: 1fr;
  height: auto;
  gap: 6px;
}

/* 16:9 を縦に積んで見切れを防ぐ */
.timeline-gallery.count-2 .gallery-img img {
  height: auto;
}

/* テキスト入りフルスライドは切り取らず全体を表示 */
.timeline-gallery.slide {
  height: auto;
}

/* 画像のみのカードは下の余白を詰める */
.timeline-card .timeline-gallery:last-child {
  margin-bottom: 0;
}

.timeline-gallery.slide .gallery-img img {
  height: auto;
}

/* 画像のみのカードは枠・余白をなくして画像を大きく見せる */
.timeline-card.card-image-only,
.timeline-item.milestone .timeline-card.card-image-only {
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 12px;
  overflow: hidden;
}

.timeline-item.card-image-only-item {
  padding-left: 16px;
  padding-right: 16px;
}

.timeline-item.card-image-only-item.left  { padding-right: 36px; }
.timeline-item.card-image-only-item.right { padding-left: 36px; }

.timeline-gallery.count-3 {
  grid-template-columns: 2fr 1fr;
  grid-template-rows: 1fr 1fr;
  height: 280px;
}

.timeline-gallery.count-3 .gallery-img:first-child {
  grid-row: 1 / 3;
}

.timeline-gallery.count-4 {
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  height: 280px;
}

.gallery-img {
  overflow: hidden;
  min-height: 0;
}

.gallery-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.timeline-card:hover .gallery-img img {
  transform: scale(1.06);
}

/* Text */
.timeline-date {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.timeline-item.milestone .timeline-date { color: var(--gold); }

.timeline-title {
  font-size: 1.02rem;
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.4;
}

.timeline-desc {
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--text-on-dark);
  line-height: 1.7;
}

/* Tags */
.timeline-tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-top: 8px;
}

.tag-product     { background: rgba(79,  195, 247, 0.15); color: var(--accent); }
.tag-funding     { background: rgba(255, 213, 79,  0.15); color: var(--gold); }
.tag-team        { background: rgba(255, 138, 101, 0.15); color: var(--accent-warm); }
.tag-event       { background: rgba(129, 199, 132, 0.15); color: #81C784; }
.tag-milestone   { background: rgba(206, 147, 216, 0.15); color: #CE93D8; }

/* ===== VISION: 今後の展望 ===== */
.vision-section {
  padding: 140px 24px 100px;
  scroll-margin-top: 64px;
  background:
    radial-gradient(circle at 20% 30%, rgba(79, 195, 247, 0.10) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(255, 213, 79, 0.06) 0%, transparent 55%),
    linear-gradient(180deg, var(--navy-dark) 0%, rgba(0,6,101,0.55) 50%, var(--navy-dark) 100%);
  position: relative;
  overflow: hidden;
}

.vision-inner {
  max-width: 920px;
  margin: 0 auto;
  text-align: left;
  position: relative;
  z-index: 1;
}

.vision-eyebrow {
  display: inline-block;
  padding: 6px 20px;
  border: 1px solid rgba(79, 195, 247, 0.35);
  border-radius: 100px;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 32px;
}

.vision-headline {
  font-family: 'Noto Sans JP', 'Inter', sans-serif;
  font-weight: 900;
  font-size: clamp(1.5rem, 3.4vw, 2.7rem);
  line-height: 1.3;
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}

.vision-headline em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.vision-sub {
  font-size: clamp(0.9rem, 1.4vw, 1.05rem);
  font-weight: 300;
  line-height: 2;
  color: var(--text-on-dark);
  letter-spacing: 0.04em;
  margin: 0 auto 64px;
  max-width: 720px;
}

.vision-lead {
  font-size: clamp(0.95rem, 1.7vw, 1.2rem);
  font-weight: 600;
  line-height: 1.7;
  color: var(--white);
  letter-spacing: 0.04em;
  margin: 0 0 56px;
  max-width: 760px;
}

.vision-body {
  max-width: 760px;
  margin: 0;
  text-align: left;
  font-size: clamp(0.85rem, 1.3vw, 0.98rem);
  font-weight: 300;
  line-height: 1.85;
  color: var(--text-on-dark);
  letter-spacing: 0.04em;
}

.vision-body p + p {
  margin-top: 0.55em;
}

/* 節（意味のまとまり）の変わり目だけ広めに空ける */
.vision-body p.stanza {
  margin-top: 2.4em;
}

.vision-body strong {
  font-weight: 600;
  color: var(--white);
}

/* 締めの一文は少し際立たせる */
.vision-body p.vision-close {
  color: var(--white);
  font-weight: 400;
}

.vision-body .vision-sign {
  margin-left: 0.5em;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent);
  white-space: nowrap;
}

.vision-closing {
  margin-top: 2.4em;
  padding-top: 2em;
  border-top: 1px solid rgba(79, 195, 247, 0.2);
  font-size: clamp(0.9rem, 1.5vw, 1.05rem);
  color: var(--white);
}

.vision-closing strong {
  background: linear-gradient(135deg, var(--accent), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

.vision-slide {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(79, 195, 247, 0.18);
  box-shadow:
    0 0 60px rgba(79, 195, 247, 0.08),
    0 20px 60px rgba(0, 0, 0, 0.3);
  background: rgba(255, 255, 255, 0.02);
}

.vision-slide img {
  width: 100%;
  height: auto;
  display: block;
}

/* ===== FOOTER ===== */
.footer {
  text-align: center;
  padding: 120px 24px 100px;
  background: linear-gradient(180deg, var(--navy-dark) 0%, var(--navy) 100%);
  border-top: 1px solid rgba(79, 195, 247, 0.1);
  position: relative;
  overflow: hidden;
}

.footer-keywords {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

.footer-keywords span {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: rgba(79, 195, 247, 0.4);
  text-transform: uppercase;
  position: relative;
}

.footer-keywords span::after {
  content: '';
  display: block;
  width: 100%;
  height: 1px;
  background: rgba(79, 195, 247, 0.2);
  margin-top: 6px;
}

.footer-headline {
  font-family: 'Inter', sans-serif;
  font-weight: 900;
  font-size: clamp(2.4rem, 7vw, 5.5rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}

.footer-headline em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-sub {
  font-size: 1rem;
  font-weight: 300;
  color: var(--text-on-dark);
  letter-spacing: 0.12em;
}

/* Recruit CTA */
.recruit-cta {
  margin: 0 auto;
  max-width: 720px;
  padding: 56px 32px;
  border: 1px solid rgba(79, 195, 247, 0.2);
  border-radius: 20px;
  background:
    radial-gradient(circle at 30% 20%, rgba(79, 195, 247, 0.10) 0%, transparent 60%),
    radial-gradient(circle at 80% 80%, rgba(255, 213, 79, 0.06) 0%, transparent 55%),
    rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(6px);
}

.recruit-cta-label {
  display: inline-block;
  padding: 5px 16px;
  border: 1px solid rgba(255, 213, 79, 0.4);
  border-radius: 100px;
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--gold);
  margin-bottom: 24px;
}

.recruit-cta-headline {
  font-size: clamp(1.3rem, 2.6vw, 1.8rem);
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.recruit-cta-sub {
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--text-on-dark);
  letter-spacing: 0.04em;
  line-height: 1.8;
  margin-bottom: 36px;
}

.recruit-cta-button {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 36px;
  border-radius: 100px;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  color: var(--navy-dark);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s;
  box-shadow: 0 10px 30px rgba(79, 195, 247, 0.2);
}

.recruit-cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(79, 195, 247, 0.35);
}

.recruit-cta-arrow {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.recruit-cta-button:hover .recruit-cta-arrow {
  transform: translateX(4px);
}

/* ===== SITE FOOTER ===== */
.site-footer {
  background: #000665;
  border-top: 1px solid rgba(79, 195, 247, 0.12);
  padding: 40px 24px;
}

.site-footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.site-footer-brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  opacity: 0.95;
  transition: opacity 0.2s ease;
}

.site-footer-brand img {
  height: 24px;
  display: block;
}

.site-footer-brand:hover {
  opacity: 1;
}

.site-footer-copy {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.4);
}

@media (max-width: 768px) {
  .site-footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .timeline-track {
    padding-left: 0;
  }

  .timeline-track::before {
    left: 20px;
  }

  .timeline-item,
  .timeline-item.left,
  .timeline-item.right {
    width: 100%;
    margin-left: 0;
    text-align: left;
    padding-left: 52px;
    padding-right: 16px;
    transform: translateY(24px);
  }

  .timeline-item::before,
  .timeline-item.left::before,
  .timeline-item.right::before {
    left: 13px !important;
    right: auto !important;
  }

  .timeline-item.milestone::before,
  .timeline-item.milestone.left::before,
  .timeline-item.milestone.right::before {
    left: 11px !important;
  }

  /* year-head connector follows the single left-aligned line on mobile */
  .timeline-item.year-head.left::after,
  .timeline-item.year-head.right::after {
    left: 20px;
    right: auto;
    width: 32px;
    background: linear-gradient(90deg, var(--gold), rgba(255, 213, 79, 0.15));
  }

  .hero-logo { width: 120px; }

  .global-nav {
    padding: 10px 16px;
  }

  .global-nav-brand img {
    height: 22px;
  }

  .global-nav-links {
    gap: 0;
  }

  .global-nav-links a {
    padding: 6px 10px;
    font-size: 0.78rem;
    letter-spacing: 0.02em;
  }

  .mission-section {
    padding: 120px 20px 90px;
  }

  .ceo-message {
    min-height: 72vh;
  }

  .ceo-message-bg {
    background-size: cover;
    background-position: 72% center;
    -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 50%, transparent 96%);
    -webkit-mask-composite: source-over;
    mask-image: linear-gradient(180deg, #000 0%, #000 50%, transparent 96%);
    mask-composite: add;
  }

  /* stronger bottom-up gradient so the message stays legible on small screens */
  .ceo-message-overlay {
    background: linear-gradient(0deg, rgba(0,4,64,0.94) 0%, rgba(0,4,64,0.7) 45%, rgba(0,4,64,0.35) 100%);
  }

  .ceo-message-inner {
    display: flex;
    align-items: flex-end;
  }

  .ceo-message-content {
    max-width: 100%;
  }

  .vision-section {
    padding: 100px 20px 80px;
  }

  .recruit-cta {
    margin-top: 0;
    padding: 44px 24px;
  }

  .recruit-cta-button {
    padding: 14px 28px;
    font-size: 0.9rem;
  }
}