/* =========================================================
   aiship AIロードマップ ティザーページ
   style.css
   ========================================================= */

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

:root {
  /* Colors */
  --color-bg:           #FFFFFF;
  --color-bg-alt:       #F6FAFC;
  --color-bg-subtle:    #EEF7FA;
  --color-border:       #DDEAF0;

  --color-text:         #102033;
  --color-text-sub:     #243447;
  --color-text-muted:   #5E6B78;

  --color-primary:      #20304d;
  --color-primary-light:#2d4670;

  --color-accent-blue:  #1e81ff;
  --color-accent-cyan:  #63b3ff;
  --color-accent-grad:  linear-gradient(to right bottom, #20304d, #19325c, #10336a, #053378, #003386);

  --color-cta:          #e7bc40;
  --color-cta-text:     #ffffff;

  --color-done:         #22c55e;
  --color-soon:         #f97316;
  --color-upcoming:     #94a3b8;

  /* Typography */
  --font-base: "Inter", "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;

  /* Spacing */
  --section-gap: 100px;
  --container-max: 1200px;
  --container-pad: clamp(20px, 5vw, 60px);

  /* Shadows */
  --shadow-sm:  0 1px 4px rgba(16, 32, 51, 0.06), 0 1px 2px rgba(16, 32, 51, 0.04);
  --shadow-md:  0 4px 16px rgba(16, 32, 51, 0.08), 0 1px 4px rgba(16, 32, 51, 0.05);
  --shadow-lg:  0 8px 32px rgba(16, 32, 51, 0.10), 0 2px 8px rgba(16, 32, 51, 0.06);

  /* Transitions */
  --transition: 0.25s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-base);
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-accent-blue);
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}
a:hover { opacity: 0.8; }

strong { font-weight: 700; }

.pc-only { display: inline; }

/* ─── Container ─────────────────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* ─── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 8px;
  font-family: var(--font-base);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  box-shadow: 0 2px 12px rgba(32, 48, 77, 0.20);
}
.btn--primary:hover {
  background: var(--color-primary-light);
  box-shadow: 0 6px 20px rgba(32, 48, 77, 0.28);
}

.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}
.btn--ghost:hover {
  border-color: var(--color-primary);
  background: rgba(32, 48, 77, 0.04);
}

.btn--cta {
  background: var(--color-cta);
  color: var(--color-cta-text);
  border-color: var(--color-cta);
  font-weight: 700;
  font-size: 16px;
  padding: 15px 36px;
  box-shadow: 0 2px 16px rgba(231, 188, 64, 0.35);
}
.btn--cta:hover {
  background: #d4a820;
  box-shadow: 0 6px 24px rgba(231, 188, 64, 0.45);
}

.btn--ghost-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.45);
  font-size: 15px;
  padding: 14px 28px;
}
.btn--ghost-white:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.75);
  color: #fff;
}

/* ─── Badge ──────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: "Inter", sans-serif;
}
.badge--outline {
  border: 1.5px solid var(--color-accent-blue);
  color: var(--color-accent-blue);
  background: rgba(30, 129, 255, 0.06);
}

/* ─── Section Common ─────────────────────────────────────── */
.section {
  padding: var(--section-gap) 0;
}
.section--alt {
  background: var(--color-bg-alt);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-eyebrow {
  display: block;
  font-family: "Inter", sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-cta);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}
.section-lead {
  font-size: 15px;
  color: var(--color-text-muted);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.8;
}


/* ═══════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--color-primary);
  overflow: hidden;
  padding: 80px 0 100px;
}

/* Grid pattern */
.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99, 179, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 179, 255, 0.08) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

/* Glow orbs */
.hero__glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(80px);
}
.hero__glow--1 {
  width: 540px; height: 540px;
  top: -140px; right: -80px;
  background: radial-gradient(circle, rgba(30, 129, 255, 0.22) 0%, transparent 70%);
}
.hero__glow--2 {
  width: 400px; height: 400px;
  bottom: -100px; left: -60px;
  background: radial-gradient(circle, rgba(99, 179, 255, 0.15) 0%, transparent 70%);
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero__eyebrow {
  margin-bottom: 24px;
}

.hero__title {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.hero__title-sub {
  display: block;
  font-size: clamp(14px, 2vw, 18px);
  font-weight: 500;
  color: #fff;
  letter-spacing: 0.12em;
  font-family: "Inter", sans-serif;
  margin-bottom: 4px;
}

.hero__lead {
  font-size: clamp(16px, 2.5vw, 22px);
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  margin-bottom: 20px;
  letter-spacing: 0.01em;
}

.hero__desc {
  font-size: 15px;
  color: rgba(255,255,255,0.65);
  max-width: 560px;
  margin-bottom: 40px;
  line-height: 1.85;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}
.hero__cta .btn--primary {
  background: var(--color-cta);
  border-color: var(--color-cta);
  color: #fff;
  box-shadow: 0 4px 20px rgba(231, 188, 64, 0.4);
  font-size: 16px;
  padding: 15px 32px;
}
.hero__cta .btn--primary:hover {
  background: #d4a820;
  border-color: #d4a820;
}
.hero__cta .btn--ghost {
  color: rgba(255,255,255,0.8);
  border-color: rgba(255,255,255,0.3);
}
.hero__cta .btn--ghost:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.6);
  color: #fff;
}

/* Scroll hint */
.hero__scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}
.hero__scroll-hint span {
  display: block;
  width: 22px;
  height: 36px;
  border: 2px solid rgba(255,255,255,0.30);
  border-radius: 11px;
  position: relative;
}
.hero__scroll-hint span::after {
  content: '';
  display: block;
  width: 4px;
  height: 8px;
  background: rgba(255,255,255,0.55);
  border-radius: 2px;
  position: absolute;
  top: 5px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollDot 1.8s ease infinite;
}
@keyframes scrollDot {
  0%   { opacity: 1; top: 5px; }
  100% { opacity: 0; top: 18px; }
}


/* ═══════════════════════════════════════════════════════════
   BACKGROUND HERO SECTION
   ═══════════════════════════════════════════════════════════ */
.bg-hero {
  position: relative;
  overflow: hidden;
  padding: 100px 0;
}

/* 背景画像レイヤー */
.bg-hero__img {
  position: absolute;
  inset: 0;
  background-image: url('https://www.aiship.jp/img/ai_transition.webp');
  background-size: cover;
  background-position: center center;
  z-index: 0;
}

/* オーバーレイ：左側を濃く、右側は画像を活かす */
.bg-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(10, 20, 40, 0.82) 0%,
    rgba(10, 20, 40, 0.70) 45%,
    rgba(10, 20, 40, 0.30) 75%,
    rgba(10, 20, 40, 0.10) 100%
  );
  z-index: 1;
}

/* コンテンツ */
.bg-hero__inner {
  position: relative;
  z-index: 2;
  max-width: 600px;
}

.bg-hero__eyebrow {
  color: var(--color-accent-cyan);
  margin-bottom: 14px;
}

.bg-hero__title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}

.bg-hero__body p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.80);
  line-height: 1.9;
  margin-bottom: 16px;
}
.bg-hero__body p:last-child { margin-bottom: 0; }
.bg-hero__body strong {
  color: #fff;
  font-weight: 700;
}

/* SP対応 */
@media (max-width: 768px) {
  .bg-hero {
    padding: 72px 0;
  }
  .bg-hero__overlay {
    background: rgba(10, 20, 40, 0.72);
  }
  .bg-hero__inner {
    max-width: 100%;
  }
}


/* ═══════════════════════════════════════════════════════════
   4 AREAS LIST
   ═══════════════════════════════════════════════════════════ */
.areas-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: 56px;
  row-gap: 0;
}

/* 左カラム：1・3番目、右カラム：2・4番目 */
/* 縦の区切り線（左右の間） */
.areas-list::before {
  content: '';
  display: none; /* JS不要・純CSS対応 */
}

.area-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding: 40px 0;
  border-bottom: 1px solid var(--color-border);
  align-items: flex-start;
}

/* 左カラム（1・3）の右側に縦線を引く */
.area-item:nth-child(odd) {
  padding-right: 28px;
  border-right: 1px solid var(--color-border);
}
/* 右カラム（2・4）は左にパディング */
.area-item:nth-child(even) {
  padding-left: 28px;
}

/* 先頭2つは上padding不要 */
.area-item:nth-child(1),
.area-item:nth-child(2) { padding-top: 0; }

/* 最後2つはborder-bottom不要 */
.area-item:nth-child(3),
.area-item:nth-child(4) { border-bottom: none; padding-bottom: 0; }

/* Aside: icon + number */
.area-item__aside {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding-top: 4px;
  flex-shrink: 0;
}
.area-item__icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  background: var(--color-accent-grad);
  color: #fff;
  box-shadow: 0 4px 12px rgba(30, 129, 255, 0.22);
}
.area-item__number {
  font-family: "Inter", sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

/* Body */
.area-item__eyebrow {
  font-family: "Inter", sans-serif;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent-blue);
  margin-bottom: 8px;
}
.area-item__title {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.area-item__desc {
  font-size: 14.5px;
  color: var(--color-text-muted);
  line-height: 1.85;
  margin-bottom: 16px;
}

/* Tag pills */
.area-item__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.area-item__tags li {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-sub);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  padding: 4px 13px;
  line-height: 1.5;
}


/* ═══════════════════════════════════════════════════════════
   DETAIL BLOCKS
   ═══════════════════════════════════════════════════════════ */
.detail-block {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  padding: 48px 0;
  border-bottom: 1px solid var(--color-border);
}
.detail-block:first-of-type {
  padding-top: 0;
}
.detail-block:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}

.detail-block__meta {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 4px;
}
.detail-block__num {
  font-family: "Inter", sans-serif;
  font-size: 48px;
  font-weight: 800;
  background: var(--color-accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  letter-spacing: -0.03em;
}
.detail-block__label {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.detail-block__body p {
  font-size: 15px;
  color: var(--color-text-sub);
  line-height: 1.85;
  margin-bottom: 16px;
}
.detail-block__body p:last-of-type { margin-bottom: 0; }

/* Feature list */
.detail-block__feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 20px 0;
}
.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  background: var(--color-bg);
  border-radius: 10px;
  font-size: 13px;
  color: var(--color-text-sub);
  line-height: 1.6;
}
.feature-item i {
  color: var(--color-accent-blue);
  font-size: 15px;
  margin-top: 1px;
  flex-shrink: 0;
}

/* Benefits */
.detail-block__benefits {
  display: flex;
  gap: 16px;
  margin-top: 24px;
  flex-wrap: wrap;
}
.benefit-item {
  flex: 1;
  min-width: 240px;
  padding: 16px 20px;
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.7;
}
.benefit-item--customer {
  background: rgba(30, 129, 255, 0.06);
  color: var(--color-text-sub);
}
.benefit-item--shop {
  background: rgba(32, 48, 77, 0.04);
  color: var(--color-text-sub);
}
.benefit-item__head {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.benefit-item--customer .benefit-item__head { color: var(--color-accent-blue); }
.benefit-item--shop .benefit-item__head { color: var(--color-primary); }


/* ═══════════════════════════════════════════════════════════
   ROADMAP NOTE
   ═══════════════════════════════════════════════════════════ */
.roadmap-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 12.5px;
  color: var(--color-text-muted);
  border-radius: 8px;
  padding: 8px 16px;
}
.roadmap-note i {
  color: var(--color-soon);
  font-size: 13px;
}


/* ═══════════════════════════════════════════════════════════
   VERTICAL TIMELINE (vtl)
   ═══════════════════════════════════════════════════════════ */

/* ─ 全体ラッパー ─ */
.vtl {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  padding-left: 40px; /* 縦線 + ドット分の余白 */
}

/* ─ 縦線 ─ */
.vtl::before {
  content: '';
  position: absolute;
  top: 12px;
  bottom: 0;
  left: 15px; /* ドット中心に合わせる */
  width: 2px;
  background: linear-gradient(
    to bottom,
    var(--color-border) 0%,
    var(--color-accent-cyan) 40%,
    var(--color-accent-blue) 80%,
    rgba(30, 129, 255, 0.15) 100%
  );
}

/* ─ 各行 ─ */
.vtl__row {
  position: relative;
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 0 24px;
  padding-bottom: 48px;
}
.vtl__row:last-child {
  padding-bottom: 0;
}

/* ─ 左カラム（ドット＋日付） ─ */
.vtl__left {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding-top: 2px;
  flex-shrink: 0;
}

/* ドット */
.vtl__dot {
  position: relative;
  z-index: 1;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 2.5px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--color-text-muted);
  flex-shrink: 0;
  transition: border-color var(--transition), background var(--transition);
}
/* 完了ドット */
.vtl__dot--done {
  background: var(--color-done);
  border-color: var(--color-done);
  color: #fff;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.15);
}
/* まもなくドット */
.vtl__row--soon .vtl__dot {
  background: #22c55e;
  border-color: #22c55e;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.15);
}
/* 未来ドット */
.vtl__dot--future {
  background: var(--color-accent-grad);
  background: linear-gradient(135deg, #1e81ff, #63b3ff);
  border-color: transparent;
  color: #fff;
  font-size: 12px;
  box-shadow: 0 0 0 4px rgba(30, 129, 255, 0.15);
}

/* 日付ラベル */
.vtl__date {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.2;
  text-align: center;
}
.vtl__date-month {
  font-family: "Inter", "Noto Sans JP", sans-serif;
  font-size: 17px;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.vtl__date-year {
  font-family: "Inter", sans-serif;
  font-size: 10px;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
}
.vtl__row--done .vtl__date-month  { color: #102033; }
.vtl__row--soon .vtl__date-month  { color: #22c55e; }
.vtl__row--future .vtl__date-month { color: var(--color-accent-blue); }

/* ─ 右カラム（コンテンツ） ─ */
.vtl__content {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 4px;
}

/* カテゴリラベル */
.vtl__category {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 4px 12px;
  border-radius: 100px;
  width: fit-content;
}
.vtl__category--efficiency {
  background: rgba(32, 48, 77, 0.07);
  color: var(--color-primary);
}
.vtl__category--llmo {
  background: rgba(30, 129, 255, 0.08);
  color: var(--color-accent-blue);
}
.vtl__category--cvr {
  background: rgba(34, 197, 94, 0.08);
  color: #16a34a;
}
.vtl__category--newexp {
  background: rgba(99, 179, 255, 0.12);
  color: #1460b8;
}

/* カードグリッド */
.vtl__cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
  margin-bottom: 4px;
}

/* 個別カード */
.vtl__card {
  position: relative;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 16px 16px 44px;
  box-shadow: var(--shadow-sm);
}
.vtl__card--done {
  background: rgba(34, 197, 94, 0.03);
  border-color: rgba(34, 197, 94, 0.22);
}

.vtl__card-title {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: 6px;
}
.vtl__card-desc {
  font-size: 12px;
  color: var(--color-text-muted);
  line-height: 1.75;
}

/* バッジ */
.vtl__badge {
  position: absolute;
  bottom: 12px;
  left: 14px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 3px 10px;
  border-radius: 100px;
}
.vtl__badge--done {
  background: rgba(34, 197, 94, 0.12);
  color: #16a34a;
}
.vtl__badge--soon {
  background: rgba(249, 115, 22, 0.10);
  color: #c05c00;
}
.vtl__badge--upcoming {
  background: rgba(148, 163, 184, 0.15);
  color: #64748b;
}

/* 未来ブロック */
.vtl__future-block {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  background: rgba(30, 129, 255, 0.04);
  border: 1px dashed rgba(30, 129, 255, 0.25);
  border-radius: 12px;
}
.vtl__future-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-sub);
}
.vtl__future-item i {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--color-accent-grad);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}
.vtl__future-note {
  font-size: 13px;
  color: var(--color-text-muted);
  font-style: italic;
  padding-top: 4px;
  border-top: 1px solid rgba(30, 129, 255, 0.12);
  margin-top: 4px;
}

/* ─ レスポンシブ（768px以下） ─ */
@media (max-width: 768px) {
  .vtl {
    padding-left: 28px;
  }
  .vtl::before {
    left: 10px;
  }
  .vtl__row {
    grid-template-columns: 60px 1fr;
    gap: 0 14px;
    padding-bottom: 36px;
  }
  .vtl__dot {
    width: 24px;
    height: 24px;
    font-size: 10px;
  }
  .vtl__date-month { font-size: 14px; }
  .vtl__cards-grid {
    grid-template-columns: 1fr;
  }
}


/* ═══════════════════════════════════════════════════════════
   CLOSING
   ═══════════════════════════════════════════════════════════ */
.closing {
  position: relative;
  background: var(--color-primary);
  overflow: hidden;
  padding: 100px 0;
}
.closing__bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99, 179, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 179, 255, 0.07) 1px, transparent 1px);
  background-size: 48px 48px;
}
.closing__bg::before {
  content: '';
  position: absolute;
  top: -100px; right: 0;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(30, 129, 255, 0.20) 0%, transparent 65%);
  border-radius: 50%;
}

.closing__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}
.closing__eyebrow {
  color: rgba(99, 179, 255, 0.9);
  margin-bottom: 14px;
}
.closing__title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  color: #fff;
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}
.closing__body {
  font-size: 15px;
  color: rgba(255,255,255,0.72);
  line-height: 1.9;
  margin-bottom: 40px;
}
.closing__body strong {
  color: rgba(255,255,255,0.95);
}
.closing__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}


/* ═══════════════════════════════════════════════════════════
   SCROLL ANIMATIONS
   ═══════════════════════════════════════════════════════════ */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal-delay="1"] { transition-delay: 0.1s; }
[data-reveal-delay="2"] { transition-delay: 0.2s; }
[data-reveal-delay="3"] { transition-delay: 0.3s; }
[data-reveal-delay="4"] { transition-delay: 0.4s; }


/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════ */

/* Tablet: ≤ 1024px */
@media (max-width: 1024px) {
  :root {
    --section-gap: 80px;
  }
  /* areas-list: 2カラム維持、余白を少し詰める */
  .areas-list {
    column-gap: 36px;
  }
  .area-item:nth-child(odd)  { padding-right: 18px; }
  .area-item:nth-child(even) { padding-left: 18px; }
  .detail-block {
    grid-template-columns: 160px 1fr;
    gap: 28px;
  }
  .detail-block__num {
    font-size: 40px;
  }
}


/* Mobile: ≤ 768px */
@media (max-width: 768px) {
  :root {
    --section-gap: 64px;
    --container-pad: 20px;
  }

  .pc-only { display: none; }

  /* Hero */
  .hero {
    min-height: auto;
    padding: 80px 0 80px;
  }
  .hero__title { font-size: 34px; }
  .hero__lead  { font-size: 17px; }
  .hero__desc  { font-size: 14px; }
  .hero__cta   { flex-direction: column; align-items: flex-start; }
  .hero__scroll-hint { display: none; }

  /* Background hero — SP はオーバーレイのみ調整（bg-hero 内で定義済み） */

  /* Areas list — SPは1カラムに戻す */
  .areas-list {
    grid-template-columns: 1fr;
  }
  .area-item {
    grid-template-columns: 64px 1fr;
    gap: 20px;
    padding: 32px 0;
    padding-right: 0 !important;
    padding-left: 0 !important;
    border-right: none !important;
  }
  .area-item:nth-child(1),
  .area-item:nth-child(2) { padding-top: 32px; }
  .area-item:first-child   { padding-top: 0; }
  .area-item:nth-child(3),
  .area-item:nth-child(4) { border-bottom: 1px solid var(--color-border); padding-bottom: 32px; }
  .area-item:last-child   { border-bottom: none; padding-bottom: 0; }
  .area-item__icon {
    width: 44px;
    height: 44px;
    font-size: 18px;
  }
  .area-item__title { font-size: 18px; }

  /* Detail blocks */
  .detail-block {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 36px 0;
  }
  .detail-block__meta {
    flex-direction: row;
    align-items: center;
    gap: 12px;
  }
  .detail-block__num { font-size: 32px; }
  .detail-block__feature-list {
    grid-template-columns: 1fr;
  }
  .detail-block__benefits {
    flex-direction: column;
  }
  .benefit-item { min-width: auto; }

  /* Closing */
  .closing { padding: 72px 0; }
  .closing__cta {
    flex-direction: column;
    align-items: center;
  }
  .closing__cta .btn {
    width: 100%;
    max-width: 320px;
    justify-content: center;
  }

  /* Section header */
  .section-header { margin-bottom: 40px; }
}

/* Small mobile: ≤ 480px */
@media (max-width: 480px) {
  .hero__title { font-size: 28px; }
  .timeline__phase-month { font-size: 18px; }
  .btn {
    font-size: 14px;
    padding: 12px 20px;
  }
  .btn--cta {
    font-size: 15px;
    padding: 14px 28px;
  }
}

.vtl__badge{
  display:none;
}

.breadcrumb{
    margin-top: 100px;
margin-bottom:0px!important;
}
