:root {
  --color-primary: #FFD43B;
  --color-primary-dark: #F4B400;
  --color-secondary: #1E40AF;
  --color-secondary-hover: #1B3A99;
  --color-text: #0F172A;
  --color-muted: #64748B;
  --color-bg: #FFFFFF;
  --color-bg-soft: #F8FAFC;
  --color-bg-yellow: #FFF8DD;
  --color-border: #E2E8F0;
  --color-success: #10B981;
  --color-danger: #EF4444;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;

  --shadow-sm: 0 2px 6px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 24px 48px rgba(15, 23, 42, 0.12);

  --container: 1200px;
  --transition: 0.2s ease;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-secondary); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { padding: 0; margin: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.4; font-weight: 700; }
p { margin: 0; }

/* ---------- Layout ---------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 96px 0; }
.section--soft { background: var(--color-bg-soft); }
.section--yellow { background: var(--color-bg-yellow); }
.section-header { text-align: center; margin-bottom: 56px; }
.section-eyebrow {
  display: inline-block;
  padding: 4px 14px;
  background: var(--color-primary);
  color: var(--color-text);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: 999px;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.01em;
}
.section-title .accent { color: var(--color-secondary); }
.section-title .marker {
  background: linear-gradient(transparent 60%, var(--color-primary) 60%);
  padding: 0 4px;
}
.section-subtitle {
  margin-top: 16px;
  color: var(--color-muted);
  font-size: 16px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-secondary);
  color: #FFFFFF;
  box-shadow: 0 6px 16px rgba(30, 64, 175, 0.25);
}
.btn--primary:hover { background: var(--color-secondary-hover); transform: translateY(-2px); color: #FFFFFF; }
.btn--secondary {
  background: var(--color-primary);
  color: var(--color-text);
  box-shadow: 0 6px 16px rgba(255, 212, 59, 0.4);
}
.btn--secondary:hover { background: var(--color-primary-dark); transform: translateY(-2px); }
.btn--outline {
  background: #FFFFFF;
  color: var(--color-text);
  border: 2px solid var(--color-border);
}
.btn--outline:hover { border-color: var(--color-secondary); color: var(--color-secondary); }
.btn--lg { padding: 18px 36px; font-size: 16px; }
.btn--sm { padding: 10px 20px; font-size: 14px; }
.btn .arrow { transition: transform var(--transition); }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}
.site-header.is-scrolled { background: #FFFFFF; box-shadow: var(--shadow-sm); }
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.site-header__logo img { height: 24px; }
.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.site-nav__list {
  display: flex;
  gap: 28px;
}
.site-nav__link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}
.site-header__cta {
  display: flex;
  gap: 12px;
  align-items: center;
}
.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
}
.menu-toggle__bar {
  width: 22px; height: 2px;
  background: var(--color-text);
  position: relative;
}
.menu-toggle__bar::before,
.menu-toggle__bar::after {
  content: ""; position: absolute; left: 0;
  width: 22px; height: 2px; background: var(--color-text);
  transition: transform var(--transition), top var(--transition);
}
.menu-toggle__bar::before { top: -7px; }
.menu-toggle__bar::after { top: 7px; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bar { background: transparent; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bar::before { top: 0; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__bar::after { top: 0; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  padding: 140px 0 80px;
  background: linear-gradient(180deg, #FFF8DD 0%, #FFFFFF 100%);
  position: relative;
  overflow: hidden;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-secondary);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}
.hero__badge::before {
  content: "";
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-success);
}
.hero__title {
  font-size: clamp(27px, 3.8vw, 43px);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.2;
}
.hero__title-line {
  display: block;
}
.hero__title-line + .hero__title-line {
  margin-top: 0.08em;
}
.hero__title-tail {
  display: inline;
}
.hero__title .marker {
  background: linear-gradient(transparent 60%, var(--color-primary) 60%);
}
.hero__title .accent { color: var(--color-secondary); }
.hero__lead {
  margin-top: 24px;
  font-size: clamp(14px, 1.25vw, 16px);
  letter-spacing: -0.015em;
  color: var(--color-muted);
}
.hero__lead-line {
  display: block;
  white-space: nowrap;
}
.hero__cta {
  margin-top: 40px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero__tools {
  grid-column: 1 / -1;          /* hero グリッドの両カラムをまたぐ */
  margin-top: 24px;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 28px 36px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 36px;
  align-items: center;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.05);
}
.hero__tools-label {
  font-size: 17px;
  color: var(--color-muted);
  line-height: 1.6;
  font-weight: 600;
  white-space: nowrap;
  border-right: 1px solid var(--color-border);
  padding-right: 32px;
}
.hero__tools-list {
  display: flex;
  flex-wrap: nowrap;            /* 折り返さず1行に */
  align-items: center;
  justify-content: space-between; /* ロゴを全幅に均等配置 */
  gap: 14px;
  min-width: 0;
  width: 100%;                  /* 右セルの幅をフルに使う */
  overflow-x: auto;             /* 入りきらない場合は横スクロール */
  scrollbar-width: none;        /* スクロールバー非表示（Firefox） */
  padding-bottom: 2px;
}
.hero__tools-list::-webkit-scrollbar { display: none; }
.hero__tools-list li {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1 1 0;                  /* 各セルを均等に広げてロゴ最大化 */
  min-width: 0;
  height: 80px;
}
.hero__tools-list img {
  max-height: 64px;
  max-width: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}
.hero__visual { position: relative; }
.hero__visual img { width: 100%; }

/* ---------- Logo Strip (Marquee) ---------- */
.logo-strip {
  padding: 48px 0;
  background: #FFFFFF;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}
.logo-strip__heading {
  text-align: center;
  margin-bottom: 32px;
}
.logo-strip__eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.24em;
  color: var(--color-secondary);
  background: #DBEAFE;
  padding: 5px 16px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.logo-strip__title {
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 900;
  color: var(--color-text);
  letter-spacing: 0.02em;
  margin: 0 0 10px;
  line-height: 1.5;
}
.logo-strip__title .marker {
  background: linear-gradient(transparent 62%, var(--color-primary) 62%);
  padding: 0 4px;
}
.logo-strip__title-deco {
  display: inline-block;
  width: 36px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border) 30%, var(--color-border) 70%, transparent);
  vertical-align: middle;
  margin: 0 14px;
}
.logo-strip__sub {
  font-size: 13px;
  color: var(--color-muted);
  letter-spacing: 0.06em;
}
@media (max-width: 640px) {
  .logo-strip__title { font-size: 17px; }
  .logo-strip__title-deco { width: 20px; margin: 0 8px; }
  .logo-strip__sub { font-size: 12px; }
}
.logo-strip__viewport {
  position: relative;
  overflow: hidden;
  /* 左右をグラデーションでフェードアウト */
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 80px, #000 calc(100% - 80px), transparent 100%);
          mask-image: linear-gradient(90deg, transparent 0, #000 80px, #000 calc(100% - 80px), transparent 100%);
}
.logo-strip__track {
  display: flex;
  width: max-content;
  animation: logoStripScroll 40s linear infinite;
}
.logo-strip__track:hover {
  animation-play-state: paused;
}
.logo-strip__list {
  display: flex;
  align-items: center;
  gap: 64px;
  padding: 0 32px;
  margin: 0;
  list-style: none;
  flex-shrink: 0;
}
.logo-strip__item {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 56px;
  flex-shrink: 0;
  filter: grayscale(0.4);
  opacity: 0.85;
  transition: filter var(--transition), opacity var(--transition);
}
.logo-strip__item:hover {
  filter: grayscale(0);
  opacity: 1;
}
.logo-strip__item img {
  max-height: 100%;
  width: auto;
  object-fit: contain;
}

@keyframes logoStripScroll {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-50%, 0, 0); }
}

@media (prefers-reduced-motion: reduce) {
  .logo-strip__track {
    animation: none;
    transform: none;
  }
}

/* ---------- Problem Cards ---------- */
.problem__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.problem-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.problem-card__icon { width: 72px; height: 72px; margin-bottom: 20px; }
.problem-card__title {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 16px;
}
.problem-card__title-sub {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-muted);
  letter-spacing: 0.02em;
}
.problem-card__title-main {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-secondary);
  line-height: 1.4;
}
.problem-card__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.problem-card__list li {
  position: relative;
  padding-left: 24px;
  font-size: 14px;
  color: var(--color-muted);
}
.problem-card__list li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 14px; height: 14px;
  background: var(--color-primary);
  border-radius: 50%;
}

/* ---------- Solution (Dark / 3-column) ---------- */
.section--dark {
  background: linear-gradient(135deg, #1A1A6E 0%, #2D2090 50%, #1E40AF 100%);
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
}
.section--dark::before {
  content: "";
  position: absolute;
  top: -120px; right: -120px;
  width: 420px; height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08), transparent 70%);
  pointer-events: none;
}
.section--dark::after {
  content: "";
  position: absolute;
  bottom: -100px; left: -80px;
  width: 360px; height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 212, 59, 0.08), transparent 70%);
  pointer-events: none;
}
.section-header--light .section-subtitle { color: rgba(255, 255, 255, 0.78); }
.section-title--light { color: #FFFFFF; }
.section-eyebrow--italic {
  background: transparent;
  color: var(--color-primary);
  font-style: italic;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.04em;
  padding: 0;
  margin-bottom: 8px;
}

.solution__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}
.solution-card {
  background: #F1F5FF;
  border-radius: 12px;
  padding: 32px 28px 36px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.solution-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
}
.solution-card__head {
  position: relative;
  height: 76px;
  text-align: center;
  margin-bottom: 8px;
}
.solution-card__label {
  position: relative;
  z-index: 2;
  display: inline-block;
  font-style: italic;
  font-weight: 900;
  font-size: 24px;
  color: #B68A0A;
  letter-spacing: 0.02em;
  padding-top: 24px;
}
.solution-card__num {
  position: absolute;
  left: 50%;
  top: -8px;
  transform: translateX(40%);
  font-size: 110px;
  font-weight: 900;
  font-style: italic;
  line-height: 1;
  color: rgba(182, 138, 10, 0.18);
  z-index: 1;
  pointer-events: none;
}
.solution-card__visual {
  background: #FFFFFF;
  border-radius: 10px;
  padding: 0;
  display: block;
  margin-bottom: 24px;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
  overflow: hidden;
}
.solution-card__visual img {
  width: 100%;
  height: auto;
  display: block;
}
.solution-card__title {
  font-size: 19px;
  font-weight: 800;
  text-align: center;
  margin-bottom: 16px;
  color: var(--color-text);
  line-height: 1.5;
  letter-spacing: 0.01em;
}
.solution-card__text {
  color: #475569;
  font-size: 14px;
  line-height: 1.85;
}

/* ---------- Curriculum ---------- */
.curriculum {
  background: linear-gradient(180deg, #F8FAFC 0%, #EFF6FF 100%);
}
.curriculum__header {
  text-align: center;
  margin-bottom: 48px;
}
.curriculum__eyebrow {
  display: inline-block;
  font-size: clamp(14px, 1.5vw, 18px);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}
.curriculum__eyebrow::before {
  content: "＼";
  color: var(--color-secondary);
  margin-right: 8px;
  font-weight: 900;
}
.curriculum__eyebrow::after {
  content: "／";
  color: var(--color-secondary);
  margin-left: 8px;
  font-weight: 900;
}
.curriculum__title {
  font-size: clamp(28px, 4.5vw, 44px);
  font-weight: 900;
  color: var(--color-secondary);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  letter-spacing: 0.02em;
  line-height: 1.3;
}
.curriculum__title-icon {
  width: 36px;
  height: 36px;
  display: inline-block;
  flex-shrink: 0;
}
.curriculum__title-icon svg {
  width: 100%;
  height: 100%;
}
.curriculum__description {
  max-width: 820px;
  margin: 18px auto 0;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.8;
}

.curriculum-tabs.case-tabs {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  max-width: 1100px;
  margin-bottom: 28px;
}
.curriculum-tabs .case-tab {
  justify-content: center;
}
.curriculum-panel__header {
  margin-bottom: 22px;
  padding: 24px 28px;
  border: 1px solid #BFDBFE;
  border-left: 5px solid var(--color-secondary);
  border-radius: 14px;
  background: #FFFFFF;
  box-shadow: var(--shadow-sm);
}
.curriculum-panel__label {
  display: inline-flex;
  margin-bottom: 8px;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--color-primary);
  color: var(--color-text);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.04em;
}
.curriculum-panel__title {
  margin-bottom: 6px;
  color: var(--color-secondary);
  font-size: clamp(19px, 2.3vw, 26px);
  font-weight: 900;
  line-height: 1.45;
}
.curriculum-panel__header p {
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.75;
}

.curriculum__list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chapter {
  display: grid;
  grid-template-columns: 130px minmax(240px, 300px) 1fr 220px;
  background: #FFFFFF;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.07);
  align-items: stretch;
  transition: transform var(--transition), box-shadow var(--transition);
}
.chapter:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.1);
}

.chapter__num {
  background: linear-gradient(180deg, #3B82F6 0%, #1E40AF 100%);
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 12px;
  text-align: center;
}
.chapter__label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
  font-style: italic;
  opacity: 0.95;
}
.chapter__number {
  font-size: 60px;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 14px;
  font-style: italic;
}
.chapter__icon {
  width: 50px;
  height: 50px;
  border: 2px solid rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
}
.chapter__icon svg {
  width: 26px;
  height: 26px;
  color: #FFFFFF;
}
.chapter__icon-symbol {
  display: none;
}
.chapter__icon::before {
  content: "";
  width: 26px;
  height: 26px;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
}
.curriculum__list .chapter:nth-child(1) .chapter__icon::before {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'><path d='M9.5 4a2.5 2.5 0 0 0-2.5 2.5A2.5 2.5 0 0 0 4.5 9v3A2.5 2.5 0 0 0 7 14.5 2.5 2.5 0 0 0 9.5 17 2.5 2.5 0 0 0 12 14.5V6.5A2.5 2.5 0 0 0 9.5 4z'/><path d='M14.5 4a2.5 2.5 0 0 1 2.5 2.5A2.5 2.5 0 0 1 19.5 9v3A2.5 2.5 0 0 1 17 14.5 2.5 2.5 0 0 1 14.5 17 2.5 2.5 0 0 1 12 14.5'/></svg>");
}
.curriculum__list .chapter:nth-child(2) .chapter__icon::before {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'><rect x='3' y='5' width='18' height='12' rx='1.5'/><line x1='2' y1='20' x2='22' y2='20'/><line x1='8' y1='9' x2='14' y2='9'/><line x1='8' y1='13' x2='12' y2='13'/></svg>");
}
.curriculum__list .chapter:nth-child(3) .chapter__icon::before {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'><path d='M14 3H6a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V9z'/><polyline points='14 3 14 9 20 9'/><line x1='8' y1='13' x2='16' y2='13'/><line x1='8' y1='17' x2='14' y2='17'/></svg>");
}
.curriculum__list .chapter:nth-child(4) .chapter__icon::before {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'><rect x='9' y='3' width='6' height='5' rx='1'/><rect x='2' y='16' width='6' height='5' rx='1'/><rect x='9' y='16' width='6' height='5' rx='1'/><rect x='16' y='16' width='6' height='5' rx='1'/><path d='M12 8v4M5 12h14M5 12v4M12 12v4M19 12v4'/></svg>");
}
.curriculum__list .chapter:nth-child(5) .chapter__icon::before {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'><path d='M21 11.5a8.38 8.38 0 0 1-.9 3.8 8.5 8.5 0 0 1-7.6 4.7 8.38 8.38 0 0 1-3.8-.9L3 21l1.9-5.7a8.38 8.38 0 0 1-.9-3.8 8.5 8.5 0 0 1 4.7-7.6 8.38 8.38 0 0 1 3.8-.9h.5a8.48 8.48 0 0 1 8 8z'/><line x1='8' y1='11' x2='8.01' y2='11'/><line x1='12' y1='11' x2='12.01' y2='11'/><line x1='16' y1='11' x2='16.01' y2='11'/></svg>");
}
.curriculum__list .chapter:nth-child(6) .chapter__icon::before {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'><line x1='3' y1='20' x2='21' y2='20'/><rect x='6' y='13' width='3' height='7'/><rect x='11' y='9' width='3' height='11'/><rect x='16' y='5' width='3' height='15'/><polyline points='4 9 9 5 14 10 20 4'/><polyline points='16 4 20 4 20 8'/></svg>");
}

.chapter__content {
  padding: 22px 24px;
  background: #F1F5FF;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.chapter__title {
  font-size: 19px;
  font-weight: 900;
  color: var(--color-text);
  margin-bottom: 6px;
  line-height: 1.4;
  letter-spacing: 0.01em;
}
.chapter__subtitle {
  font-size: 13px;
  color: #475569;
  line-height: 1.6;
  margin-bottom: 14px;
}
.chapter__goal {
  background: #DBEAFE;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 11px;
  line-height: 1.5;
}
.chapter__goal-label {
  display: block;
  font-weight: 800;
  color: var(--color-secondary);
  margin-bottom: 4px;
  font-size: 11px;
  letter-spacing: 0.05em;
}
.chapter__goal-label::before {
  content: "💡";
  margin-right: 4px;
}
.chapter__goal-text {
  color: var(--color-text);
  display: block;
}

.chapter__items {
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 9px;
  justify-content: center;
}
.chapter__items li {
  position: relative;
  padding-left: 26px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--color-text);
}
.chapter__items li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #2563EB url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='white' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='3.5 8.5 6.5 11.5 12.5 4.5'/></svg>") center / 12px no-repeat;
}

.chapter__photo {
  background: #E5E7EB;
  overflow: hidden;
  min-height: 180px;
}
.chapter__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Schedule */
.schedule {
  margin-top: 40px;
  background: #FFFFFF;
  border-radius: 14px;
  padding: 28px 32px;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.07);
}
.schedule__head {
  text-align: center;
  margin-bottom: 20px;
}
.schedule__eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-secondary);
  letter-spacing: 0.18em;
  margin-bottom: 6px;
}
.schedule__title {
  font-size: clamp(20px, 2.2vw, 24px);
  font-weight: 900;
  color: var(--color-text);
  letter-spacing: 0.02em;
}
.schedule__meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 24px;
  margin-bottom: 28px;
  padding: 14px 18px;
  background: #F1F5FF;
  border-radius: 10px;
}
.schedule__meta li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  line-height: 1.5;
}
.schedule__meta-label {
  font-weight: 800;
  color: var(--color-secondary);
  font-size: 12px;
  padding: 2px 8px;
  background: #DBEAFE;
  border-radius: 4px;
}
.schedule__meta-value {
  color: var(--color-text);
  font-weight: 700;
}
.schedule__days {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.schedule-day {
  flex: 1 1 200px;
  max-width: 260px;
  background: linear-gradient(180deg, #3B82F6 0%, #1E40AF 100%);
  color: #FFFFFF;
  border-radius: 12px;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(30, 64, 175, 0.18);
}
.schedule-day__month {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  background: var(--color-primary);
  color: var(--color-text);
  padding: 3px 12px;
  border-radius: 999px;
}
.schedule-day__num {
  font-size: 26px;
  font-weight: 900;
  font-style: italic;
  letter-spacing: 0.04em;
  line-height: 1.1;
}
.schedule-day__time {
  font-size: 13px;
  opacity: 0.92;
  font-weight: 600;
}
.schedule-day__chapters {
  font-size: 14px;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.4);
  padding: 6px 14px;
  border-radius: 999px;
  margin-top: 4px;
}
.schedule-day__arrow {
  display: flex;
  align-items: center;
  font-size: 24px;
  font-weight: 900;
  color: var(--color-secondary);
}
.schedule__note {
  margin-top: 18px;
  text-align: center;
  font-size: 12.5px;
  color: #64748B;
  line-height: 1.6;
}

/* Personal lesson calendar */
.lesson-calendar {
  margin: 0 0 28px;
  padding: 24px;
  background: #F8FAFF;
  border: 1px solid #BFDBFE;
  border-radius: 14px;
}
.lesson-calendar__head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  margin-bottom: 20px;
  text-align: center;
}
.lesson-calendar__eyebrow {
  color: var(--color-secondary);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
}
.lesson-calendar__title {
  color: var(--color-text);
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 900;
}
.lesson-calendar__lead {
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 600;
}
.lesson-calendar__weeks {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.lesson-week {
  padding: 14px;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}
.lesson-week__label {
  display: block;
  margin-bottom: 10px;
  color: var(--color-secondary);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-align: center;
}
.lesson-week__slots {
  display: grid;
  gap: 8px;
}
.lesson-slot {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 9px;
  align-items: center;
  height: 64px;
  padding: 10px;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: 9px;
}
.lesson-slot__day {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #DBEAFE;
  color: var(--color-secondary);
  border-radius: 50%;
  font-size: 13px;
  font-weight: 900;
}
.lesson-slot__detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  column-gap: 5px;
  align-items: center;
  min-width: 0;
  line-height: 1.35;
}
.lesson-slot__detail strong {
  grid-column: 1 / -1;
  color: var(--color-text);
  font-size: 12.5px;
  font-weight: 800;
  white-space: nowrap;
}
.lesson-slot__detail small {
  grid-column: 1;
  margin-top: 3px;
  color: var(--color-success);
  font-size: 10.5px;
  font-weight: 800;
  white-space: nowrap;
}
.lesson-slot--lesson {
  background: #F1F5FF;
  border-color: #BFDBFE;
}
.lesson-slot--lesson .lesson-slot__day {
  background: var(--color-primary);
  color: var(--color-text);
}
.lesson-slot--lesson .lesson-slot__detail strong {
  color: var(--color-secondary);
}
.lesson-slot--lesson .lesson-slot__detail small {
  color: var(--color-muted);
}
.lesson-slot--choice {
  background: linear-gradient(135deg, var(--color-secondary) 0%, #3B82F6 100%);
  border-color: var(--color-secondary);
  box-shadow: 0 6px 14px rgba(30, 64, 175, 0.18);
}
.lesson-slot--choice .lesson-slot__detail strong,
.lesson-slot--choice .lesson-slot__detail small {
  color: #FFFFFF;
}
.lesson-slot__choice {
  grid-column: 2;
  grid-row: 2;
  justify-self: end;
  margin-top: 3px;
  padding: 1px 5px;
  background: var(--color-primary);
  color: var(--color-text);
  border-radius: 999px;
  font-size: 8.5px;
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 1.25;
  white-space: nowrap;
}
.lesson-calendar__note {
  margin-top: 14px;
  color: var(--color-muted);
  font-size: 11.5px;
  text-align: center;
}
@media (max-width: 900px) {
  .lesson-calendar__weeks { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .hero__lead-line { white-space: normal; }
  .schedule { padding: 22px 20px; }
  .schedule__days { flex-direction: column; align-items: stretch; gap: 8px; }
  .schedule-day { max-width: none; }
  .schedule-day__arrow { transform: rotate(90deg); justify-content: center; }
}
@media (max-width: 560px) {
  .lesson-calendar { padding: 18px 14px; }
  .lesson-calendar__weeks { grid-template-columns: 1fr; }
  .lesson-week__slots { grid-template-columns: 1fr; }
  .lesson-calendar__lead { font-size: 13px; }
}

.curriculum__bonus {
  margin-top: 32px;
  background: #FFF8DD;
  border: 2px dashed var(--color-primary-dark);
  border-radius: 12px;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.curriculum__bonus-icon {
  display: inline-flex;
  width: 26px;
  height: 26px;
  color: var(--color-secondary);
  flex-shrink: 0;
}
.curriculum__bonus-icon svg {
  width: 100%;
  height: 100%;
}
.curriculum__bonus-label {
  font-weight: 900;
  color: var(--color-secondary);
  white-space: nowrap;
  font-size: 15px;
  letter-spacing: 0.04em;
}
.curriculum__bonus-text {
  color: var(--color-text);
  font-size: 14px;
  font-weight: 700;
  flex: 1;
  min-width: 240px;
}

@media (max-width: 1024px) {
  .chapter {
    grid-template-columns: 110px 1fr 1fr;
    grid-template-areas:
      "num content items"
      "photo photo photo";
  }
  .chapter__num { grid-area: num; }
  .chapter__content { grid-area: content; }
  .chapter__items { grid-area: items; }
  .chapter__photo { grid-area: photo; max-height: 240px; }
}
@media (max-width: 768px) {
  .curriculum__description br { display: none; }
  .curriculum-tabs.case-tabs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .curriculum-panel__header { padding: 20px; }
  .chapter {
    grid-template-columns: 90px 1fr;
    grid-template-areas:
      "num content"
      "items items"
      "photo photo";
  }
  .chapter__items { padding-top: 8px; }
  .chapter__photo { max-height: 200px; }
  .chapter__number { font-size: 48px; }
  .chapter__icon { width: 42px; height: 42px; }
  .chapter__icon svg { width: 22px; height: 22px; }
}
@media (max-width: 480px) {
  .curriculum__header { margin-bottom: 34px; }
  .curriculum-tabs.case-tabs { grid-template-columns: 1fr; }
  .curriculum-tabs .case-tab { justify-content: flex-start; }
  .chapter {
    grid-template-columns: 1fr;
    grid-template-areas:
      "num"
      "content"
      "items"
      "photo";
  }
  .chapter__num {
    flex-direction: row;
    gap: 14px;
    padding: 14px 20px;
    justify-content: flex-start;
  }
  .chapter__number { font-size: 36px; margin-bottom: 0; }
  .chapter__icon {
    width: 36px;
    height: 36px;
    margin-left: auto;
  }
  .chapter__icon svg { width: 18px; height: 18px; }
  .curriculum__bonus { flex-direction: column; align-items: flex-start; gap: 8px; }
  .curriculum__bonus-text { min-width: 0; }
}

/* ---------- Supervisor ---------- */
.supervisor {
  background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
  position: relative;
  overflow: hidden;
}
.supervisor::before {
  content: "";
  position: absolute;
  top: 80px; right: -120px;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 212, 59, 0.18), transparent 70%);
  pointer-events: none;
}
.supervisor__profile {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 56px;
  align-items: center;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 1;
}
.supervisor__visual {
  position: relative;
}
.supervisor__visual img {
  width: 100%;
  border-radius: var(--radius-md);
}
.supervisor__sticker {
  position: absolute;
  top: 16px; left: 16px;
  background: var(--color-secondary);
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.1em;
  padding: 8px 16px;
  border-radius: 999px;
  box-shadow: 0 6px 16px rgba(30, 64, 175, 0.3);
}
.supervisor__role {
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  color: var(--color-secondary);
  letter-spacing: 0.12em;
  background: #DBEAFE;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.supervisor__name {
  font-size: clamp(28px, 3.6vw, 36px);
  font-weight: 900;
  letter-spacing: 0.02em;
  margin-bottom: 8px;
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}
.supervisor__name-en {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-muted);
  letter-spacing: 0.08em;
}
.supervisor__title-line {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 24px;
  line-height: 1.7;
}
.supervisor__quote {
  margin: 0 0 28px;
  padding: 20px 24px;
  border-left: 4px solid var(--color-primary);
  background: var(--color-bg-yellow);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--color-text);
  font-weight: 500;
  position: relative;
}
.supervisor__quote::before {
  content: "“";
  position: absolute;
  top: -8px; left: 12px;
  font-size: 48px;
  color: var(--color-primary);
  font-family: Georgia, serif;
  line-height: 1;
}
.supervisor__credits {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 24px;
}
.supervisor__credits li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 14px;
  color: var(--color-text);
}
.supervisor__credits-num {
  flex-shrink: 0;
  min-width: 64px;
  font-size: 24px;
  font-weight: 900;
  color: var(--color-secondary);
  letter-spacing: -0.01em;
}

/* ---------- Why dTosh? (Before/After split + metrics) ---------- */
.why {
  background: linear-gradient(180deg, #FFFFFF 0%, #FFF8DD 100%);
  position: relative;
  overflow: hidden;
}
.why::before {
  content: "";
  position: absolute;
  top: -80px; right: -100px;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30, 64, 175, 0.08), transparent 70%);
  pointer-events: none;
}

.why__compare {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
  align-items: stretch;
  margin-bottom: 80px;
  position: relative;
  z-index: 1;
}
.why-col {
  border-radius: var(--radius-md);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
}
.why-col--before {
  background: #F1F5F9;
  border: 1px solid var(--color-border);
  color: var(--color-muted);
}
.why-col--after {
  background: #FFFFFF;
  border: 2px solid var(--color-secondary);
  position: relative;
  box-shadow: 0 16px 40px rgba(30, 64, 175, 0.14);
}
.why-col--after::before {
  content: "";
  position: absolute;
  top: -2px; left: -2px; right: -2px;
  height: 6px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}
.why-col__label {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  margin-bottom: 16px;
}
.why-col--before .why-col__label {
  background: #94A3B8;
  color: #FFFFFF;
}
.why-col--after .why-col__label {
  background: var(--color-primary);
  color: var(--color-text);
}
.why-col__title {
  font-size: clamp(20px, 2.4vw, 24px);
  font-weight: 800;
  margin-bottom: 24px;
  line-height: 1.4;
}
.why-col--before .why-col__title { color: #64748B; }
.why-col--after .why-col__title { color: var(--color-text); }
.why-col__list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}
.why-col__list li {
  position: relative;
  padding-left: 36px;
  font-size: 15px;
  line-height: 1.7;
}
.why-col__list--before li::before {
  content: "\00d7";
  position: absolute;
  left: 0; top: 2px;
  width: 24px; height: 24px;
  background: #F87171;
  color: #FFFFFF;
  border-radius: 50%;
  font-size: 14px;
  font-weight: 800;
  text-align: center;
  line-height: 24px;
}
.why-col__list--after li {
  font-weight: 600;
  color: var(--color-text);
}
.why-col__list--after li::before {
  content: "\2713";
  position: absolute;
  left: 0; top: 2px;
  width: 24px; height: 24px;
  background: var(--color-success);
  color: #FFFFFF;
  border-radius: 50%;
  font-size: 13px;
  font-weight: 800;
  text-align: center;
  line-height: 24px;
}

/* VS バッジ */
.why__vs {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 8px;
}
.why__vs-text {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-secondary);
  font-size: 22px;
  font-weight: 900;
  font-style: italic;
  letter-spacing: 0.05em;
  box-shadow: 0 10px 24px rgba(255, 212, 59, 0.45);
}
.why__vs-arrow { display: none; }

/* Metrics */
.why__metrics-wrap {
  text-align: center;
  position: relative;
  z-index: 1;
}
.why__metrics-eyebrow {
  font-size: 13px;
  color: var(--color-muted);
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 32px;
}
.why__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 20px;
}
.why-metric {
  border-radius: var(--radius-md);
  padding: 36px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
}
.why-metric--blue {
  background: linear-gradient(135deg, var(--color-secondary), #3B82F6);
  color: #FFFFFF;
}
.why-metric--yellow {
  background: linear-gradient(135deg, #FFD43B, #F4B400);
  color: var(--color-text);
}
.why-metric__num {
  font-size: clamp(48px, 7vw, 72px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
}
.why-metric__unit {
  font-size: 0.45em;
  font-weight: 700;
  margin-left: 4px;
}
.why-metric__label {
  font-size: 14px;
  font-weight: 700;
  margin-top: 8px;
}
.why-metric--blue .why-metric__sub,
.why-metric__sub {
  font-size: 12px;
  opacity: 0.78;
}
.why__note {
  font-size: 12px;
  color: var(--color-muted);
}

/* ---------- Effect (Story-driven change chapters) ---------- */
.effect {
  background: linear-gradient(180deg, #FFFFFF 0%, #FAFBFF 100%);
  position: relative;
  overflow: hidden;
}
.effect::before {
  content: "";
  position: absolute;
  top: 80px; left: -120px;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 212, 59, 0.18), transparent 70%);
  pointer-events: none;
}

.effect__list {
  display: flex;
  flex-direction: column;
  gap: 40px;
  position: relative;
  z-index: 1;
}

.effect-row {
  position: relative;
  background: linear-gradient(135deg, #FFFFFF 0%, #FFFCEC 100%);
  border: 1px solid var(--color-border);
  border-radius: 28px;
  padding: 64px 64px 56px;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.04);
}
.effect-row:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 56px rgba(15, 23, 42, 0.10);
}
.effect-row::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}

/* 巨大背景番号 */
.effect-row__bg-num {
  position: absolute;
  top: 8px;
  right: 28px;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: clamp(140px, 18vw, 240px);
  font-weight: 900;
  font-style: italic;
  line-height: 0.9;
  color: rgba(255, 212, 59, 0.20);
  letter-spacing: -0.06em;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

/* CHAPTER ヘッダー */
.effect-row__head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px dashed var(--color-border);
}
.effect-row__chapter {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.24em;
  color: var(--color-secondary);
}
.effect-row__chapter-num {
  font-size: 36px;
  font-weight: 900;
  color: var(--color-secondary);
  font-style: italic;
  line-height: 1;
  letter-spacing: -0.02em;
}
.effect-row__chapter-tag {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-muted);
  margin-left: auto;
  background: var(--color-bg-yellow);
  padding: 6px 14px;
  border-radius: 999px;
}

/* Before 吹き出し */
.effect-row__quote {
  position: relative;
  z-index: 1;
  background: #F1F5F9;
  border-radius: 18px;
  padding: 28px 32px 24px 64px;
  margin-bottom: 36px;
  max-width: 640px;
}
.effect-row__quote::after {
  content: "";
  position: absolute;
  bottom: -10px; left: 56px;
  width: 18px; height: 18px;
  background: #F1F5F9;
  transform: rotate(45deg);
}
.effect-row__quote-mark {
  position: absolute;
  top: -14px; left: 18px;
  width: 44px; height: 44px;
  background: linear-gradient(135deg, #94A3B8, #64748B);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  font-family: Georgia, serif;
  font-size: 38px;
  font-weight: 900;
  line-height: 1;
  padding-top: 4px;
  box-shadow: 0 6px 16px rgba(100, 116, 139, 0.3);
}
.effect-row__quote p {
  font-size: 17px;
  font-weight: 600;
  color: #475569;
  line-height: 1.6;
  margin: 0 0 10px;
}
.effect-row__quote-tag {
  font-size: 12px;
  color: #94A3B8;
  letter-spacing: 0.06em;
  font-weight: 600;
}

/* After メイン */
.effect-row__main {
  position: relative;
  z-index: 1;
  margin-bottom: 40px;
}
.effect-row__after-label {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-text);
  padding: 6px 18px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  margin-bottom: 18px;
  box-shadow: 0 6px 16px rgba(255, 212, 59, 0.4);
}
.effect-row__title {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 900;
  line-height: 1.45;
  color: var(--color-text);
  margin: 0 0 18px;
  letter-spacing: 0.005em;
}
.effect-row__lead {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.95;
  margin: 0;
  max-width: 760px;
}

/* ユースケース */
.effect-row__usecases {
  position: relative;
  z-index: 1;
  margin-bottom: 36px;
}
.effect-row__usecases-label {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--color-secondary);
  margin: 0 0 18px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.effect-row__usecases-label::before,
.effect-row__usecases-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}
.usecase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.usecase {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 22px 24px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  position: relative;
}
.usecase:hover {
  transform: translateY(-3px);
  border-color: var(--color-primary);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.06);
}
.usecase__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-bg-yellow), #FFE9A8);
  font-size: 22px;
  margin-bottom: 14px;
}
.usecase h4 {
  font-size: 15px;
  font-weight: 800;
  margin: 0 0 6px;
  color: var(--color-text);
  line-height: 1.5;
}
.usecase p {
  font-size: 12.5px;
  color: var(--color-muted);
  margin: 0;
  line-height: 1.65;
}

/* KPI 帯 */
.effect-row__kpi {
  position: relative;
  z-index: 1;
  background: linear-gradient(120deg, var(--color-secondary) 0%, #2563EB 60%, #3B82F6 100%);
  color: #FFFFFF;
  padding: 24px 32px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  box-shadow: 0 12px 28px rgba(30, 64, 175, 0.22);
  overflow: hidden;
}
.effect-row__kpi::after {
  content: "";
  position: absolute;
  right: -40px; bottom: -40px;
  width: 160px; height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 212, 59, 0.25), transparent 70%);
  pointer-events: none;
}
.effect-row__kpi-main {
  display: flex;
  align-items: baseline;
  gap: 18px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
.effect-row__kpi-num {
  font-size: clamp(40px, 5vw, 56px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}
.effect-row__kpi-num .unit {
  font-size: 0.55em;
  font-weight: 800;
  margin-left: 2px;
}
.effect-row__kpi-text {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  max-width: 480px;
}
.effect-row__kpi-source {
  font-size: 11px;
  opacity: 0.75;
  position: relative;
  z-index: 1;
  white-space: nowrap;
}

/* ---------- Case ---------- */
.case__scroller {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(320px, 360px);
  gap: 24px;
  overflow-x: auto;
  padding: 8px 4px 24px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}
.case__scroller::-webkit-scrollbar { height: 8px; }
.case__scroller::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 4px; }
.case-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.case-card__thumb { width: 100%; aspect-ratio: 400/220; object-fit: cover; }
.case-card__body { padding: 24px; flex: 1; display: flex; flex-direction: column; gap: 12px; }
.case-card__industry {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-secondary);
  background: #DBEAFE;
  padding: 3px 10px;
  border-radius: 999px;
  align-self: flex-start;
  letter-spacing: 0.08em;
}
.case-card__title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
}
.case-card__company {
  font-size: 13px;
  color: var(--color-muted);
  margin-top: auto;
}
.case__more {
  text-align: center;
  margin-top: 32px;
}

/* ---------- Process (3 STEPs) ---------- */
.process__list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.process-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 40px;
  display: grid;
  grid-template-columns: auto 80px 1fr;
  gap: 32px;
  align-items: center;
}
.process-card__step {
  font-size: 14px;
  font-weight: 800;
  color: var(--color-secondary);
  letter-spacing: 0.15em;
  background: #DBEAFE;
  padding: 8px 16px;
  border-radius: 999px;
}
.process-card__icon { width: 80px; height: 80px; }
.process-card__body h3 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 8px;
}
.process-card__body p {
  color: var(--color-muted);
  font-size: 15px;
  margin-bottom: 16px;
}
.process-card__tags {
  display: flex; gap: 8px; flex-wrap: wrap;
}
.process-card__tag {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--color-bg-yellow);
  color: var(--color-text);
}

/* ---------- Plan / Pricing ---------- */
.plan__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 880px;
  margin: 0 auto;
}
.plan-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  position: relative;
}
.plan-card--featured {
  border-color: var(--color-secondary);
  border-width: 2px;
  box-shadow: var(--shadow-md);
}
.plan-card__badge {
  position: absolute;
  top: -14px; left: 32px;
  background: var(--color-secondary);
  color: #FFFFFF;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}
.plan-card__name {
  font-size: 18px;
  font-weight: 800;
  color: var(--color-secondary);
}
.plan-card__price {
  margin: 16px 0 8px;
  font-size: 14px;
  color: var(--color-muted);
}
.plan-card__price strong {
  font-size: 40px;
  font-weight: 900;
  color: var(--color-text);
  margin-right: 4px;
}
.plan-card__period {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 24px;
}
.plan-card__features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}
.plan-card__features li {
  position: relative;
  padding-left: 28px;
  font-size: 14px;
}
.plan-card__features li::before {
  content: "";
  position: absolute;
  left: 0; top: 6px;
  width: 18px; height: 18px;
  background: var(--color-success);
  border-radius: 50%;
  background-image: linear-gradient(135deg, transparent 45%, #FFFFFF 45%, #FFFFFF 55%, transparent 55%);
}
.plan-card__features li::after {
  content: "✓";
  position: absolute;
  left: 4px; top: 4px;
  width: 18px; height: 18px;
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 800;
  text-align: center;
  line-height: 18px;
}
.plan-card__features li::before { background: var(--color-success); background-image: none; }
.plan__note {
  text-align: center;
  margin-top: 24px;
  font-size: 12px;
  color: var(--color-muted);
}

/* ---------- Price Step (1人あたり段階ダウン) ---------- */
.price-step {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  box-shadow: var(--shadow-sm);
}
.price-step__header {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  text-align: center;
  margin-bottom: 24px;
}
.price-step__icon {
  font-size: 28px;
  line-height: 1;
}
.price-step__heading {
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 900;
  color: var(--color-text);
  letter-spacing: 0.02em;
}
.price-step__heading-sub {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-secondary);
  background: #DBEAFE;
  padding: 4px 12px;
  border-radius: 999px;
}
.price-step__stack {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  gap: 4px;
}
.price-step__item {
  flex: 1 1 0;
  min-width: 0;
  border-radius: 14px;
  padding: 22px 18px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.price-step__item--total {
  background: #F1F5FF;
  border: 1px solid #DBEAFE;
}
.price-step__item--monthly {
  background: #EFF6FF;
  border: 1.5px solid #BFDBFE;
}
.price-step__item--final {
  background: linear-gradient(135deg, #1E40AF 0%, #2563EB 100%);
  color: #FFFFFF;
  border: none;
  box-shadow: 0 8px 22px rgba(30, 64, 175, 0.22);
  position: relative;
}
.price-step__label {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--color-secondary);
  margin-bottom: 4px;
}
.price-step__item--final .price-step__label {
  color: rgba(255, 255, 255, 0.92);
}
.price-step__amount {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  color: var(--color-text);
  line-height: 1;
}
.price-step__item--final .price-step__amount {
  color: #FFFFFF;
}
.price-step__prefix {
  font-size: 20px;
  font-weight: 800;
  margin-right: 2px;
}
.price-step__num {
  font-size: clamp(40px, 6.5vw, 60px);
  font-weight: 900;
  font-style: italic;
  letter-spacing: -0.01em;
}
.price-step__amount--big .price-step__num {
  font-size: clamp(48px, 7.5vw, 72px);
  background: linear-gradient(180deg, #FFD43B 0%, #F4B400 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.price-step__unit {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.price-step__sub {
  font-size: 11px;
  color: #94A3B8;
  letter-spacing: 0.04em;
}
.price-step__item--final .price-step__sub {
  color: rgba(255, 255, 255, 0.62);
}
.price-step__includes {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
  max-width: 460px;
}
.price-step__includes li {
  position: relative;
  padding-left: 22px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
  text-align: left;
}
.price-step__includes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #2563EB url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='white' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='3.5 8.5 6.5 11.5 12.5 4.5'/></svg>") center / 10px no-repeat;
}
.price-step__final-tag {
  margin-top: 6px;
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  background: var(--color-primary);
  color: var(--color-text);
  padding: 4px 12px;
  border-radius: 999px;
}
.price-step__bridge {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 4px;
  max-width: 120px;
}
.price-step__bridge-arrow {
  font-size: 22px;
  font-weight: 900;
  color: var(--color-secondary);
  line-height: 1;
  transform: rotate(-90deg);
}
.price-step__bridge-text {
  font-size: 11.5px;
  font-weight: 700;
  color: #475569;
  line-height: 1.45;
  text-align: center;
}
.price-step__includes {
  max-width: none;
}
@media (max-width: 900px) {
  .price-step__stack {
    flex-direction: column;
    gap: 6px;
  }
  .price-step__bridge {
    max-width: none;
    flex-direction: row;
    padding: 4px 0;
  }
  .price-step__bridge-arrow {
    transform: none;
  }
}
@media (max-width: 640px) {
  .price-step { padding: 24px 20px; }
  .price-step__item { padding: 18px 16px; }
  .price-step__includes li { font-size: 12.5px; }
}

/* ---------- Plan Simulation (補助金シミュレーション) ---------- */
.plan-sim {
  margin-top: 24px;
  background: transparent;
  border: 1px dashed #CBD5E1;
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  box-shadow: none;
}
.plan-sim__header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.plan-sim__icon {
  width: 36px;
  height: 36px;
  background: var(--color-bg-yellow);
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.plan-sim__heading {
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 800;
  margin: 0;
  color: #475569;
}
.plan-sim__heading-sub {
  font-size: 15px;
  font-weight: 700;
  color: #B45309;
  background: linear-gradient(transparent 60%, var(--color-primary) 60%);
  padding: 2px 6px;
  border-radius: 4px;
}

/* --- 3-step flow --- */
.plan-sim__flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 14px;
  align-items: stretch;
  margin-bottom: 24px;
}
.plan-sim__card {
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-soft);
  min-height: 180px;
}
.plan-sim__card--grant {
  background: var(--color-bg-yellow);
  border-color: #F4B400;
}
.plan-sim__card--grant .plan-sim__amount {
  color: #DC2626;
  font-weight: 900;
}
.plan-sim__card--final {
  background: linear-gradient(135deg, var(--color-secondary) 0%, #3B82F6 100%);
  color: #FFFFFF;
  border-color: var(--color-secondary);
  box-shadow: 0 8px 24px rgba(30, 64, 175, 0.25);
}
.plan-sim__label {
  font-size: 17px;
  font-weight: 700;
  margin: 0;
  line-height: 1.5;
}
.plan-sim__sub-label {
  font-size: 13px;
  color: var(--color-muted);
  font-weight: 500;
}
.plan-sim__formula {
  font-size: 14px;
  color: var(--color-muted);
  margin: 0;
}
.plan-sim__card--final .plan-sim__formula {
  color: rgba(255, 255, 255, 0.85);
}
.plan-sim__rate-row {
  margin: 4px 0;
}
.plan-sim__rate {
  display: inline-block;
  background: rgba(15, 23, 42, 0.08);
  padding: 4px 14px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 15px;
  color: var(--color-text);
}
.plan-sim__amount {
  font-size: clamp(28px, 3.4vw, 36px);
  font-weight: 900;
  margin: 6px 0 0;
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.plan-sim__amount--big {
  font-size: clamp(36px, 4.8vw, 48px);
  color: var(--color-primary);
}
.plan-sim__tax {
  margin: 0;
  font-size: 11px;
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: #94A3B8;
}
.plan-sim__card--grant .plan-sim__tax {
  color: rgba(180, 83, 9, 0.58);
}
.plan-sim__card--final .plan-sim__tax {
  color: rgba(255, 255, 255, 0.62);
}
.plan-sim__arrow {
  font-size: 32px;
  font-weight: 900;
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --- Bottom extras --- */
.plan-sim__extras {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 20px 24px;
  background: var(--color-bg-soft);
  border-radius: var(--radius-md);
  margin: 16px 0;
}
.plan-sim__extra {
  display: flex;
  align-items: center;
  gap: 14px;
}
.plan-sim__extra--cond {
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  padding: 4px 24px;
}
.plan-sim__extra-icon {
  width: 44px;
  height: 44px;
  background: #FFFFFF;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
  border: 1px solid var(--color-border);
}
.plan-sim__extra-label {
  font-size: 14px;
  color: var(--color-muted);
  margin: 0;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.plan-sim__extra-value {
  font-size: 22px;
  font-weight: 800;
  margin: 2px 0 0;
}
.plan-sim__cond-list {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.7;
}
.plan-sim__cond-list li {
  position: relative;
  padding-left: 14px;
}
.plan-sim__cond-list li::before {
  content: "・";
  position: absolute;
  left: 0;
  color: var(--color-muted);
}
.plan-sim__extra--save {
  background: var(--color-bg-yellow);
  border: 1px solid #F4B400;
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-size: 15px;
  text-align: left;
  line-height: 1.5;
}
.plan-sim__extra--save .plan-sim__extra-icon {
  background: #FFFFFF;
  border-color: #F4B400;
}
.plan-sim__extra--save strong {
  display: block;
  font-size: 18px;
  color: var(--color-secondary);
  margin-top: 2px;
  font-weight: 800;
}

.plan-sim__note {
  font-size: 13px;
  color: var(--color-muted);
  text-align: left;
  margin: 4px 0 0;
  line-height: 1.7;
}

/* ---------- Timeline (4 steps) ---------- */
.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.timeline__item {
  position: relative;
  text-align: center;
  padding: 0 12px;
}
.timeline__item::before {
  content: "";
  position: absolute;
  top: 32px;
  left: 50%;
  width: 100%;
  height: 2px;
  background: var(--color-border);
  z-index: 0;
}
.timeline__item:last-child::before { display: none; }
.timeline__circle {
  position: relative;
  z-index: 1;
  width: 64px; height: 64px;
  margin: 0 auto 16px;
  background: var(--color-secondary);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  box-shadow: 0 6px 14px rgba(30, 64, 175, 0.25);
}
.timeline__item:nth-child(odd) .timeline__circle { background: var(--color-primary); color: var(--color-text); box-shadow: 0 6px 14px rgba(255, 212, 59, 0.4); }
.timeline__title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}
.timeline__desc {
  font-size: 12px;
  color: var(--color-muted);
}

/* ---------- FAQ ---------- */
.faq__list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-item__trigger {
  width: 100%;
  padding: 20px 24px;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 16px;
  font-weight: 700;
}
.faq-item__trigger::before {
  content: "Q";
  flex-shrink: 0;
  width: 32px; height: 32px;
  background: var(--color-primary);
  color: var(--color-text);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
}
.faq-item__icon {
  margin-left: auto;
  flex-shrink: 0;
  width: 24px; height: 24px;
  position: relative;
}
.faq-item__icon::before,
.faq-item__icon::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  background: var(--color-secondary);
  transition: transform var(--transition);
}
.faq-item__icon::before { width: 14px; height: 2px; }
.faq-item__icon::after { width: 2px; height: 14px; }
.faq-item__trigger[aria-expanded="true"] .faq-item__icon::after { transform: rotate(90deg); }
.faq-item__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-item__panel-inner {
  padding: 0 24px 20px 72px;
  color: var(--color-muted);
  font-size: 15px;
  position: relative;
}
.faq-item__panel-inner::before {
  content: "A";
  position: absolute;
  left: 24px; top: 0;
  width: 32px; height: 32px;
  background: var(--color-secondary);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
}

/* ---------- CTA Banner ---------- */
.cta-banner {
  padding: 72px 0;
  background: linear-gradient(135deg, var(--color-secondary) 0%, #3B82F6 100%);
  color: #FFFFFF;
  text-align: center;
}
.cta-banner__title {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 800;
  margin-bottom: 12px;
}
.cta-banner__lead {
  font-size: 16px;
  opacity: 0.92;
  margin-bottom: 32px;
}
.cta-banner__buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-banner .btn--outline { background: rgba(255,255,255,0.1); color: #FFFFFF; border-color: rgba(255,255,255,0.4); }
.cta-banner .btn--outline:hover { background: rgba(255,255,255,0.2); color: #FFFFFF; }

/* ---------- Form ---------- */
.contact { background: var(--color-bg-soft); }
.contact__form {
  max-width: 640px;
  margin: 0 auto;
  background: #FFFFFF;
  padding: 40px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.form-row { margin-bottom: 20px; }
.form-row label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 8px;
}
.form-row label .req {
  color: var(--color-danger);
  margin-left: 4px;
  font-size: 12px;
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font: inherit;
  background: #FFFFFF;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.15);
}
.form-row textarea { min-height: 120px; resize: vertical; }
.form-submit { text-align: center; margin-top: 24px; }
.form-consent { font-size: 13px; color: var(--color-muted); margin-top: 12px; text-align: center; }

/* ---------- Footer ---------- */
.site-footer {
  background: #0F172A;
  color: #CBD5E1;
  padding: 64px 0 24px;
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid #1E293B;
}
.site-footer__brand .site-footer__logo { margin-bottom: 16px; height: 24px; filter: brightness(0) invert(1); }
.site-footer__brand p { font-size: 13px; color: #94A3B8; line-height: 1.7; }
.site-footer__col h4 {
  font-size: 13px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 16px;
  letter-spacing: 0.06em;
}
.site-footer__col li { margin-bottom: 10px; }
.site-footer__col a { font-size: 13px; color: #94A3B8; }
.site-footer__col a:hover { color: var(--color-primary); }
.site-footer__bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: #64748B;
  flex-wrap: wrap;
  gap: 12px;
}
.site-footer__legal { display: flex; gap: 20px; flex-wrap: wrap; }

/* ---------- Reveal Animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { max-width: 520px; margin: 0 auto; }
  .solution__grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; gap: 20px; }
  .supervisor__profile { grid-template-columns: 1fr; gap: 32px; padding: 32px; }
  .supervisor__visual { max-width: 320px; margin: 0 auto; }
  .supervisor__credits { grid-template-columns: 1fr; }
  .why__compare { grid-template-columns: 1fr; gap: 16px; margin-bottom: 56px; }
  .why__vs-text { display: none; }
  .why__vs-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px; height: 48px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-secondary);
    font-size: 22px;
    font-weight: 800;
    box-shadow: 0 8px 18px rgba(255, 212, 59, 0.4);
  }
  .why__metrics { grid-template-columns: 1fr; }
  .logo-strip__list { gap: 48px; }
  .timeline { grid-template-columns: repeat(4, minmax(140px, 1fr)); overflow-x: auto; }
  /* Plan simulation: stack vertically with downward arrows */
  .plan-sim__flow {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .plan-sim__arrow {
    transform: rotate(90deg);
    font-size: 22px;
    padding: 4px 0;
  }
  .plan-sim { padding: 32px 24px; }
}
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .site-nav { position: fixed; inset: 72px 0 0 0; background: #FFFFFF; flex-direction: column; padding: 40px 24px; gap: 24px; transform: translateX(100%); transition: transform var(--transition); align-items: stretch; box-shadow: var(--shadow-md); }
  .site-nav.is-open { transform: translateX(0); }
  .site-nav__list { flex-direction: column; gap: 20px; }
  .site-header__cta .btn--outline { display: none; }
  .menu-toggle { display: flex; }
  .problem__grid { grid-template-columns: 1fr; }
  .plan__grid { grid-template-columns: 1fr; }
  .why-col { padding: 28px 24px; }
  .effect-row { padding: 36px 24px 32px; border-radius: 20px; }
  .effect-row__bg-num { font-size: 100px; right: 12px; top: 4px; }
  .effect-row__head { gap: 8px; margin-bottom: 24px; padding-bottom: 18px; }
  .effect-row__chapter-num { font-size: 28px; }
  .effect-row__chapter-tag {
    margin-left: 0;
    flex-basis: 100%;
    font-size: 12px;
    text-align: center;
  }
  .effect-row__quote {
    padding: 24px 22px 20px 56px;
    margin-bottom: 32px;
  }
  .effect-row__quote p { font-size: 15px; }
  .usecase-grid { grid-template-columns: 1fr; gap: 12px; }
  .effect-row__main { margin-bottom: 32px; }
  .effect-row__usecases { margin-bottom: 28px; }
  .effect-row__kpi {
    flex-direction: column;
    align-items: flex-start;
    padding: 22px 24px;
    gap: 12px;
  }
  .effect-row__kpi-source { white-space: normal; }
  .hero__tools {
    /* 左右の固定構造を維持 */
    grid-template-columns: auto 1fr;
    gap: 18px;
    padding: 20px 20px;
  }
  .hero__tools-label {
    font-size: 14px;
    line-height: 1.5;
    padding-right: 16px;
    white-space: normal;
    font-weight: 600;
  }
  .hero__tools-list {
    /* モバイルでも1行スクロール維持 */
    gap: 12px;
  }
  .hero__tools-list li { height: 52px; }
  .hero__tools-list img { max-height: 42px; max-width: 100%; }
  .process-card { grid-template-columns: 1fr; gap: 16px; padding: 28px; text-align: center; }
  .process-card__icon { margin: 0 auto; }
  .timeline { grid-template-columns: repeat(4, 200px); padding-bottom: 12px; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .logo-strip__list { gap: 36px; padding: 0 20px; }
  .hero__cta .btn { flex: 1; }
  /* Plan simulation: stack extras vertically */
  .plan-sim__extras {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 16px 18px;
  }
  .plan-sim__extra--cond {
    border-left: none;
    border-right: none;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 0;
  }
  .plan-sim { padding: 28px 20px; }
  .plan-sim__header { gap: 8px; }
  .plan-sim__heading-sub { font-size: 13px; }
}
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero { padding: 110px 0 60px; }
  .site-footer__grid { grid-template-columns: 1fr; }
  .logo-strip__list { gap: 28px; padding: 0 16px; }
  .contact__form { padding: 24px; }
}

/* ---------- Effect: chapter accents & dramatic enhancements ---------- */
.effect-row {
  --accent: #FFD43B;
  --accent-dark: #B68A0A;
  --accent-soft: #FFF8DD;
  --accent-rgb: 244, 180, 0;
  --kpi-grad: linear-gradient(120deg, #1E40AF 0%, #2563EB 55%, #3B82F6 100%);
  --kpi-shadow: 0 16px 36px rgba(30, 64, 175, 0.30);
  --label-text: var(--color-text);
}
.effect-row--c2 {
  --accent: #2563EB;
  --accent-dark: #1E3A8A;
  --accent-soft: #EAF2FF;
  --accent-rgb: 37, 99, 235;
  --kpi-grad: linear-gradient(120deg, #312E81 0%, #4F46E5 55%, #7C3AED 100%);
  --kpi-shadow: 0 16px 36px rgba(76, 29, 149, 0.32);
  --label-text: #FFFFFF;
}
.effect-row--c3 {
  --accent: #10B981;
  --accent-dark: #047857;
  --accent-soft: #E8FBF3;
  --accent-rgb: 16, 185, 129;
  --kpi-grad: linear-gradient(120deg, #064E3B 0%, #047857 55%, #10B981 100%);
  --kpi-shadow: 0 16px 36px rgba(6, 78, 59, 0.30);
  --label-text: #FFFFFF;
}

/* カード上部のグラデ帯を章カラーで */
.effect-row::before {
  background: linear-gradient(90deg, var(--accent), var(--accent-dark));
}
/* 背景の巨大番号 */
.effect-row__bg-num {
  color: rgba(var(--accent-rgb), 0.18);
}
/* CHAPTER ヘッダー */
.effect-row__chapter,
.effect-row__chapter-num {
  color: var(--accent-dark);
}
.effect-row__chapter-tag {
  background: var(--accent-soft);
  color: var(--accent-dark);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
}
/* After ラベル */
.effect-row__after-label {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--label-text);
  box-shadow: 0 8px 18px rgba(var(--accent-rgb), 0.42);
}

/* ユースケースの章カラー反映 */
.effect-row__usecases-label { color: var(--accent-dark); }
.effect-row__usecases-label::before,
.effect-row__usecases-label::after {
  background: linear-gradient(90deg, transparent, rgba(var(--accent-rgb), 0.45), transparent);
}
.usecase-grid { counter-reset: usecase-counter; }
.usecase { position: relative; }
.usecase::after {
  counter-increment: usecase-counter;
  content: "0" counter(usecase-counter);
  position: absolute;
  top: 14px; right: 16px;
  font-family: 'Noto Sans JP', sans-serif;
  font-style: italic;
  font-size: 22px;
  font-weight: 900;
  color: var(--accent-dark);
  opacity: 0.28;
  letter-spacing: -0.02em;
  line-height: 1;
  pointer-events: none;
}
.usecase:hover {
  border-color: var(--accent);
  box-shadow: 0 16px 32px rgba(var(--accent-rgb), 0.18);
}
.usecase__icon {
  background: linear-gradient(135deg, var(--accent-soft) 0%, rgba(var(--accent-rgb), 0.28) 100%);
  border: 1px solid rgba(var(--accent-rgb), 0.30);
}

/* Before 吹き出しの装飾強化 */
.effect-row__quote {
  background:
    linear-gradient(135deg, #F8FAFC 0%, #EEF2F6 100%);
  border: 1px dashed #CBD5E1;
  position: relative;
}
.effect-row__quote::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(148, 163, 184, 0.20) 1px, transparent 0);
  background-size: 14px 14px;
  border-radius: inherit;
  opacity: 0.5;
  pointer-events: none;
}
.effect-row__quote > * { position: relative; z-index: 1; }
.effect-row__quote::after {
  background: #EEF2F6;
  border-right: 1px dashed #CBD5E1;
  border-bottom: 1px dashed #CBD5E1;
}

/* KPI 帯のドラマチック化 */
.effect-row__kpi {
  background: var(--kpi-grad);
  box-shadow: var(--kpi-shadow);
  padding: 28px 36px;
}
.effect-row__kpi::after {
  background: radial-gradient(circle, rgba(255, 212, 59, 0.32), transparent 70%);
  width: 200px; height: 200px;
  right: -50px; bottom: -60px;
}
.effect-row__kpi-num {
  font-size: clamp(56px, 7vw, 84px);
  color: var(--color-primary);
  text-shadow: 0 4px 18px rgba(0, 0, 0, 0.28);
  letter-spacing: -0.03em;
}
.effect-row__kpi-text {
  font-size: 16px;
}

/* 章2/3 ではグラデ背景にも華やか装飾 */
.effect-row--c2,
.effect-row--c3 {
  background: linear-gradient(135deg, #FFFFFF 0%, var(--accent-soft) 100%);
}

/* ---------- Why dTosh (Supervisor profile + 4 strengths) ---------- */
.why {
  background: #FFFFFF;
  position: relative;
  overflow: hidden;
}
.why::before {
  content: "";
  position: absolute;
  top: -120px; right: -120px;
  width: 360px; height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30, 64, 175, 0.06), transparent 70%);
  pointer-events: none;
}

/* Header */
.why-head {
  margin-bottom: 48px;
}
.why-head > .section-eyebrow {
  display: block;
  width: fit-content;
  margin: 0 auto 16px;
}
.why-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 18px 6px 6px;
  background: #F1F5F9;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: 18px;
}
.why-eyebrow__icon {
  width: 32px; height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-secondary);
  color: #FFFFFF;
  border-radius: 50%;
  font-size: 16px;
}
.why-eyebrow__sub {
  font-size: 13px;
  font-weight: 600;
  opacity: 0.85;
  margin-left: 2px;
}
.why-title {
  font-size: clamp(26px, 3.6vw, 38px);
  font-weight: 900;
  margin: 0 0 16px;
  line-height: 1.35;
  letter-spacing: 0.005em;
  color: var(--color-text);
}
.why-title__main {
  display: block;
}
.why-title__term {
  white-space: nowrap;
}
.why-title__detail {
  display: block;
  margin-top: 0.4em;
  font-size: 0.7em;
  line-height: 1.55;
}
.why-title__bulb {
  display: inline-block;
  margin-left: 8px;
  font-size: 0.7em;
  filter: drop-shadow(0 4px 8px rgba(255, 212, 59, 0.45));
}
.why-lead {
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--color-muted);
  max-width: 920px;
  margin: 0;
}

/* Layout: profile (left) + strengths (right) */
.why-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 40px;
  align-items: stretch;
}

/* ----- Profile (left column) ----- */
.why-profile {
  display: flex;
  flex-direction: column;
  gap: 18px;
  height: 100%;
}
.why-profile__photo {
  width: 100%;
  max-width: 225px;
  margin: 0 auto;
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  overflow: hidden;
  background: #F1F5F9;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}
.why-profile__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.why-profile__info {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.why-profile__name {
  font-size: 24px;
  font-weight: 900;
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--color-text);
}
.why-profile__degree {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-muted);
}
.why-profile__roles {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.why-profile__roles li {
  font-size: 13px;
  line-height: 1.65;
  color: var(--color-text);
  padding-left: 14px;
  position: relative;
}
.why-profile__roles li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 5px; height: 5px;
  background: var(--color-secondary);
  border-radius: 50%;
}

/* Affiliations */
.why-affiliations {
  border-top: 1px solid var(--color-border);
  padding-top: 18px;
  margin-top: 4px;
}
.why-affiliations__label {
  font-size: 13px;
  font-weight: 800;
  color: var(--color-secondary);
  margin: 0 0 14px;
  border-left: 4px solid var(--color-secondary);
  padding-left: 10px;
  line-height: 1.2;
}
.why-affiliations__logos {
  list-style: none;
  padding: 0;
  margin: 0 0 8px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 10px;
  align-items: center;
}
.why-affiliations__logos li {
  background: #FFFFFF;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
}
.why-affiliations__logos img {
  max-height: 40px;
  max-width: 100%;
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}
.why-affiliations__note {
  font-size: 11px;
  color: var(--color-muted);
  margin: 4px 0 0;
}

/* ----- Strengths (right column) ----- */
.why-strengths {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.why-strength-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.why-strength-grid > .why-card:nth-child(4) {
  grid-column: 1 / -1;
  grid-template-columns: 80px 1fr;
}
.why-strength-grid > .why-card:nth-child(4) .why-card__icon {
  width: 80px;
  height: 80px;
}
.why-card {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 14px;
  padding: 24px;
  position: relative;
  display: grid;
  grid-template-columns: 56px 1fr;
  grid-template-areas:
    "icon title"
    "text text";
  column-gap: 8px;
  row-gap: 14px;
  align-items: center;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.why-card:hover {
  transform: translateY(-3px);
  border-color: #BFDBFE;
  box-shadow: 0 14px 32px rgba(30, 64, 175, 0.08);
}
.why-card__num {
  position: absolute;
  top: -10px; left: 18px;
  width: 28px; height: 28px;
  background: var(--color-primary);
  color: var(--color-text);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 900;
  font-style: italic;
  box-shadow: 0 4px 10px rgba(255, 212, 59, 0.5);
}
.why-card__icon {
  grid-area: icon;
  width: 56px;
  height: 56px;
  display: block;
  flex-shrink: 0;
}
.why-card__body {
  display: contents;
}
.why-card__body h3 {
  grid-area: title;
  margin: 0;
  font-size: 14px;
  font-weight: 800;
  color: var(--color-secondary);
  line-height: 1.45;
  white-space: nowrap;
}
.why-card__body p {
  grid-area: text;
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--color-text);
}

/* Target box (bottom) */
.why-target {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 14px;
  padding: 24px 28px;
}
.why-target__title {
  font-size: 16px;
  font-weight: 800;
  text-align: center;
  margin: 0 0 18px;
  color: var(--color-secondary);
}
.why-target__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px 20px;
}
.why-target__list li {
  font-size: 13px;
  line-height: 1.6;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--color-text);
}
.why-target__check {
  flex-shrink: 0;
  width: 20px; height: 20px;
  background: var(--color-secondary);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 900;
  margin-top: 1px;
}

/* Helper */
.sm-only { display: none; }

/* Responsive */
@media (max-width: 1200px) {
  .why-layout { grid-template-columns: 1fr; gap: 32px; }
  .why-profile {
    max-width: 520px;
    margin: 0 auto;
    width: 100%;
    height: auto;
  }
  .why-profile__photo {
    max-width: 280px;
    margin: 0 auto;
    flex: none;
    aspect-ratio: 1 / 1;
  }
  .why-affiliations__logos { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .why-strength-grid { grid-template-columns: 1fr; }
  .why-card { grid-template-columns: 64px 1fr; column-gap: 16px; }
  .why-card__icon { width: 64px; height: 64px; }
  .why-card__body h3 { font-size: 16px; }
}
@media (max-width: 768px) {
  .why-title {
    font-size: clamp(23px, 6.2vw, 30px);
    line-height: 1.45;
  }
  .why-title__term { white-space: normal; }
  .why-target__list { grid-template-columns: 1fr; }
  .why-affiliations__logos { grid-template-columns: repeat(2, 1fr); }
  .sm-only { display: inline; }
}
@media (max-width: 480px) {
  .why-card { grid-template-columns: 60px 1fr; padding: 20px; }
  .why-card__icon { width: 60px; height: 60px; }
  .why-card__body h3 { font-size: 15px; }
  .why-target { padding: 20px; }
}

/* ---------- Case Study (Effect section) ---------- */
.effect {
  background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFF 100%);
}

.case-study {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

/* 3カラムフロー */
.case-study__flow {
  display: grid;
  grid-template-columns: 1fr 36px 1fr 36px 1fr;
  gap: 12px;
  align-items: stretch;
}
.case-study__col {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.case-study__col:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.06);
}
.case-study__col--before { background: #F8FAFC; }
.case-study__col--program { background: #FFFFFF; border-color: #BFDBFE; }
.case-study__col--after { background: #FFFCEC; border-color: rgba(255, 212, 59, 0.5); }

.case-study__col-label {
  display: inline-block;
  align-self: center;
  padding: 6px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}
.case-study__col-label--gray { background: #94A3B8; color: #FFFFFF; }
.case-study__col-label--blue { background: var(--color-secondary); color: #FFFFFF; }
.case-study__col-label--yellow { background: var(--color-primary); color: var(--color-text); }

.case-study__col-title {
  font-size: 16px;
  font-weight: 800;
  line-height: 1.65;
  margin: 0 0 20px;
  color: var(--color-text);
  text-align: center;
}

/* リスト項目（Before / After 共通） */
.case-study__items {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.case-study__items li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 12px;
}
.case-study__items--issues li {
  position: relative;
}
.case-study__items--issues li::before {
  content: "\00d7";
  position: absolute;
  top: 50%; right: 14px;
  transform: translateY(-50%);
  width: 22px; height: 22px;
  border-radius: 50%;
  background: #94A3B8;
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 800;
  text-align: center;
  line-height: 22px;
}
.case-study__items--issues li {
  padding-right: 44px;
}
.case-study__items--outcomes li {
  background: #FFFFFF;
  border-color: rgba(255, 212, 59, 0.4);
}
.case-study__items--outcomes strong {
  color: var(--color-secondary);
  font-weight: 800;
}
.case-study__items p {
  font-size: 13px;
  line-height: 1.65;
  color: var(--color-text);
  margin: 0;
}
.case-study__items--issues p {
  color: var(--color-muted);
}

.case-study__avatar {
  width: 44px; height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, #DBEAFE, #BFDBFE);
  font-size: 22px;
}
.case-study__items--outcomes .case-study__avatar {
  background: linear-gradient(135deg, #FFF8DD, #FFE07A);
}

/* プログラム3ステップ */
.case-study__steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 0;
  margin: 0;
}
.case-study__steps li {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  background: linear-gradient(135deg, #EAF2FF 0%, #DBEAFE 100%);
  border: 1px solid #BFDBFE;
  border-radius: 12px;
}
.case-study__step-num {
  width: 28px; height: 28px;
  background: var(--color-primary);
  color: var(--color-text);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 900;
  flex-shrink: 0;
}
.case-study__step-body h4 {
  margin: 0 0 4px;
  font-size: 14px;
  font-weight: 800;
  color: var(--color-secondary);
  line-height: 1.55;
}
.case-study__step-body p {
  margin: 0;
  font-size: 12px;
  color: var(--color-muted);
  line-height: 1.65;
}

/* カラム間の矢印 */
.case-study__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
}
.case-study__arrow-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  background: var(--color-secondary);
  color: #FFFFFF;
  border-radius: 50%;
  font-size: 16px;
  font-weight: 800;
  box-shadow: 0 6px 14px rgba(30, 64, 175, 0.3);
}

/* 下部メトリクスブロック */
.case-study__metrics-block {
  background: linear-gradient(135deg, #F8FAFF 0%, #EAF2FF 100%);
  border: 1px solid #BFDBFE;
  border-radius: 16px;
  padding: 36px 32px 28px;
}
.case-study__metrics-title {
  text-align: center;
  font-size: 17px;
  font-weight: 800;
  margin: 0 0 28px;
  color: var(--color-text);
}
.case-study__metrics-period {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-muted);
  margin-left: 4px;
}
.case-study__metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.case-metric {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
  text-align: center;
  padding: 18px 12px;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.case-metric:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.06);
}
.case-metric__icon {
  width: 56px; height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #DBEAFE, #BFDBFE);
  border-radius: 50%;
  font-size: 26px;
  font-weight: 900;
  color: var(--color-secondary);
  margin-bottom: 4px;
}
.case-metric__label {
  font-size: 12px;
  color: var(--color-muted);
  font-weight: 600;
  line-height: 1.5;
}
.case-metric__value {
  font-size: 32px;
  font-weight: 900;
  color: var(--color-text);
  letter-spacing: -0.02em;
  line-height: 1.05;
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  flex-wrap: wrap;
  justify-content: center;
}
.case-metric__value .unit {
  font-size: 0.5em;
  font-weight: 800;
}
.case-metric__trend {
  color: var(--color-primary-dark);
  font-size: 0.7em;
  margin-left: 4px;
}
.case-metric__trend.trend--down {
  color: #EF4444;
}
.case-metric__note {
  font-size: 11px;
  color: var(--color-muted);
}

.case-study__disclaimer {
  text-align: center;
  font-size: 12px;
  color: var(--color-muted);
  margin: 0;
}

/* レスポンシブ: Case Study */
@media (max-width: 1024px) {
  .case-study__flow {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .case-study__arrow {
    transform: rotate(90deg);
    margin: 4px 0;
  }
  .case-study__metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 480px) {
  .case-study__metrics-grid {
    grid-template-columns: 1fr;
  }
  .case-study__col { padding: 24px 18px; }
  .case-study__metrics-block { padding: 28px 20px 22px; }
}

/* ---------- Case Tabs (industry switcher) ---------- */
.case-tabs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  padding: 8px;
  margin: 0 auto 36px;
  max-width: 1100px;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 18px;
  box-shadow: var(--shadow-sm);
}
.case-tab {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 12px;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  color: var(--color-muted);
  font-family: inherit;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.case-tab:hover {
  background: var(--color-bg-soft);
  color: var(--color-text);
}
.case-tab:focus-visible {
  outline: 3px solid rgba(30, 64, 175, 0.4);
  outline-offset: 2px;
}
.case-tab.is-active {
  background: linear-gradient(135deg, var(--color-secondary) 0%, #3B82F6 100%);
  color: #FFFFFF;
  box-shadow: 0 10px 24px rgba(30, 64, 175, 0.28);
  transform: translateY(-1px);
}
.case-tab__icon {
  font-size: 20px;
  width: 40px; height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-yellow);
  border-radius: 50%;
  flex-shrink: 0;
  transition: background var(--transition), transform var(--transition);
}
.case-tab.is-active .case-tab__icon {
  background: var(--color-primary);
  transform: scale(1.05);
}
.case-tab__body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.case-tab__label {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.16em;
  opacity: 0.7;
}
.case-tab__name {
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* タブパネル */
.case-panel {
  display: none;
}
.case-panel.is-active {
  display: block;
  animation: caseFade 0.45s ease;
}
.case-panel__img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 18px;
  box-shadow: 0 14px 36px rgba(15, 23, 42, 0.08);
}
@keyframes caseFade {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1024px) {
  .case-tabs {
    grid-template-columns: repeat(3, 1fr);
    max-width: 720px;
  }
}
@media (max-width: 640px) {
  .case-tabs {
    grid-template-columns: repeat(2, 1fr);
    max-width: 480px;
  }
  .case-tab { padding: 10px 12px; }
  .case-tab__icon { width: 36px; height: 36px; font-size: 18px; }
  .case-tab__name { font-size: 12.5px; }
}
@media (max-width: 380px) {
  .case-tabs { grid-template-columns: 1fr; }
}

/* ---------- Schedule / Plan Tabs ---------- */
.plan-tabs.case-tabs {
  grid-template-columns: repeat(2, 1fr);
  max-width: 720px;
}
.plan-tabs .case-tab {
  justify-content: center;
}
.plan-panel__lead {
  margin-bottom: 24px;
  color: var(--color-muted);
  text-align: center;
  font-size: 16px;
  line-height: 1.7;
}
.plan-panel .schedule {
  margin-top: 0;
}
.plan-panel .price-step {
  margin-top: 24px;
}
@media (max-width: 480px) {
  .plan-tabs.case-tabs { grid-template-columns: 1fr; }
  .plan-panel__lead br { display: none; }
}

/* ---------- Blog (note articles) ---------- */
.blog__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.blog-card {
  display: block;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  color: inherit;
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  color: inherit;
}
.blog-card__thumb {
  aspect-ratio: 16 / 9;
  background: var(--color-bg-soft);
  overflow: hidden;
}
.blog-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.blog-card:hover .blog-card__thumb img {
  transform: scale(1.04);
}
.blog-card__body {
  padding: 20px 24px 24px;
}
.blog-card__date {
  font-size: 12px;
  color: var(--color-muted);
  font-weight: 500;
  letter-spacing: 0.04em;
}
.blog-card__title {
  font-size: 17px;
  line-height: 1.55;
  margin-top: 8px;
  font-weight: 700;
}
.blog__more {
  text-align: center;
  margin-top: 56px;
}
@media (max-width: 960px) {
  .blog__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}
@media (max-width: 640px) {
  .blog__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .blog__more { margin-top: 32px; }
  .blog-card__title { font-size: 16px; }
}