/* ===== DESIGN TOKENS ===== */
/*
 * カラーパレット — 印刷現場ビジュアル（工場ティール×ネイビー）に準拠
 * Base  : 深紺ティール #003060 系 (image dominant)
 * Accent: プロフェッショナルティール #1B8CA6 (image ceiling/atmosphere)
 * Green : ポジティブアクセント #2AAA7A (image floor/after)
 */
:root {
  --ink:        #06182A;   /* 最深部ネイビー（画像シャドウトーン） */
  --ink-mid:    #0E2A42;   /* ミッドネイビーティール */
  --ink-soft:   #1C3E58;   /* ソフトネイビーティール */
  --gold:       #1B8CA6;   /* プライマリアクセント：工場天井のティールシアン */
  --gold-light: #34AABF;   /* ライトティール */
  --teal-green: #2AAA7A;   /* ポジティブ/解決系アクセント（画像フロア色） */
  --paper:      #EFF5F7;   /* クールオフホワイト */
  --paper-dark: #DCE9ED;   /* クールライトペーパー */
  --mist:       #E5F1F5;   /* クールミスト */
  --white:      #FFFFFF;
  --text-main:  #131E28;
  --text-sub:   #3A5668;
  --text-light: #607A8A;
  --accent-red: #9B2335;   /* 課題セクション警告色（維持） */

  --fs-xs:   0.75rem;
  --fs-sm:   0.875rem;
  --fs-base: 1rem;
  --fs-md:   1.125rem;
  --fs-lg:   1.375rem;
  --fs-xl:   1.75rem;
  --fs-2xl:  2.25rem;
  --fs-3xl:  3rem;
  --fs-4xl:  4rem;

  --radius: 2px;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.07), 0 1px 4px rgba(0,0,0,0.04);
  --shadow-strong: 0 12px 48px rgba(0,0,0,0.15);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--fs-base);
  color: var(--text-main);
  background: var(--white);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
a[target="_blank"] {
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  text-decoration-color: currentColor;
  border-radius: 2px;
  padding: 0 0.15em;
  transition: background 0.15s;
}
a[target="_blank"]:hover {
  background: rgba(27, 140, 166, 0.1);
}

/* ===== LAYOUT HELPERS ===== */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}
.container--narrow { max-width: 760px; margin: 0 auto; padding: 0 24px; }

/* ===== SCROLL ANIMATION ===== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.72s cubic-bezier(0.25,0.8,0.25,1),
              transform 0.72s cubic-bezier(0.25,0.8,0.25,1);
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ===== IMAGE PLACEHOLDER ===== */
.img-placeholder {
  width: 100%;
  background: var(--paper-dark);
  border: 1px solid rgba(184,146,42,0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--gold);
  font-size: var(--fs-sm);
  font-family: 'Noto Sans JP', sans-serif;
  letter-spacing: 0.05em;
  position: relative;
  overflow: hidden;
}
.img-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 8px,
    rgba(184,146,42,0.06) 8px,
    rgba(184,146,42,0.06) 9px
  );
}
.img-placeholder-icon { font-size: 2rem; opacity: 0.5; }
.img-placeholder span { position: relative; opacity: 0.7; }

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(14,21,32,0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(184,146,42,0.2);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 32px;
}
.nav__logo {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 2px;
}
.nav__logo img { height: 32px; width: auto; }
.nav__logo-main {
  font-family: 'Shippori Mincho B1', serif;
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--white);
  letter-spacing: 0.08em;
}
.nav__logo-sub {
  font-size: 10px;
  color: var(--gold-light);
  letter-spacing: 0.12em;
  margin-left:0.12em;
}
.nav__badge {
  background: var(--accent-red);
  color: var(--white);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 4px 12px;
  border-radius: 2px;
}

/* ===== HERO ===== */
.hero {
  min-height: 100svh;
  background: var(--ink);
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px 0 80px;
}
.hero__bg-texture {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(184,146,42,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 80% at 10% 80%, rgba(28,43,58,0.8) 0%, transparent 70%);
}
.hero__grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(184,146,42,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184,146,42,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero__content {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
}
.hero__eyebrow-line {
  width: 32px;
  height: 1px;
  background: var(--gold);
}
.hero__eyebrow-text {
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--gold-light);
  text-transform: uppercase;
}
.hero__title {
  font-family: 'Shippori Mincho B1', serif;
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.3;
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
  word-break: keep-all;
}
.hero__title em {
  font-style: normal;
  color: var(--gold-light);
}
.hero__subtitle {
  font-size: var(--fs-md);
  color: rgba(255,255,255,0.62);
  line-height: 1.9;
  margin-bottom: 40px;
  font-weight: 300;
}
.hero__cta-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: var(--radius);
  cursor: pointer;
  border: none;
  transition: all 0.22s;
}
.btn[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}
.btn--primary {
  background: var(--gold);
  color: var(--ink);
}
.btn--primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(184,146,42,0.35);
}
.btn--outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.3);
}
.btn--outline:hover {
  border-color: var(--gold-light);
  color: var(--gold-light);
}
.hero__visual {
  position: relative;
}
.hero__image-wrap {
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-strong);
}

/* story-visual を hero 内で使う場合の角丸・シャドウ */
.hero__story {
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-strong);
}

/* NotePM ロゴ行 */
.hero__notepm {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 0 8px;
}
.hero__notepm-plus {
  font-size: var(--fs-lg);
  color: rgba(255,255,255,0.5);
  line-height: 1;
}
.hero__notepm-logo {
  max-height: 36px;
  width: auto;
  display: block;
}
.hero__announce {
  margin-top: 20px;
  padding: 12px 16px;
  background: rgba(155,35,53,0.85);
  border-left: 3px solid var(--accent-red);
  border-radius: 2px;
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.04em;
}
.hero__announce strong { color: #fff; }
.hero__announce-badge {
  display: inline-block;
  background: var(--accent-red);
  border: 1px solid rgba(255,255,255,0.3);
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 2px;
  margin-right: 8px;
  letter-spacing: 0.1em;
  vertical-align: middle;
}

/* ===== SECTION COMMON ===== */
section { padding: 100px 0; }
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.section-label__line { width: 24px; height: 2px; background: var(--gold); }
.section-label__text {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
}
.section-title {
  font-family: 'Shippori Mincho B1', serif;
  font-weight: 700;
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  line-height: 1.4;
  margin-bottom: 16px;
  color: var(--ink);
}
.section-title--white { color: var(--white); }
.section-lead {
  font-size: var(--fs-md);
  color: var(--text-sub);
  line-height: 1.9;
  max-width: 640px;
}
.section-lead--white { color: rgba(255,255,255,0.7); }
.divider {
  width: 48px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  margin: 24px 0;
}
.divider--center { margin: 24px auto; }

/* ===== PROBLEMS ===== */
.problems { background: var(--paper); }
.problems__header { margin-bottom: 60px; }
.problems__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.problem-card {
  background: var(--white);
  border-top: 3px solid var(--accent-red);
  padding: 32px;
  box-shadow: var(--shadow-card);
  border-radius: var(--radius);
  position: relative;
}
.problem-card__num {
  font-family: 'Shippori Mincho B1', serif;
  font-size: 3.5rem;
  font-weight: 800;
  color: rgba(155,35,53,0.08);
  line-height: 1;
  position: absolute;
  top: 20px;
  right: 24px;
  user-select: none;
}
.problem-card__icon {
  font-size: 1.75rem;
  margin-bottom: 16px;
}
.problem-card__title {
  font-family: 'Shippori Mincho B1', serif;
  font-weight: 600;
  font-size: var(--fs-lg);
  color: var(--accent-red);
  margin-bottom: 12px;
  line-height: 1.4;
}
.problem-card__text {
  font-size: var(--fs-sm);
  color: var(--text-sub);
  line-height: 1.85;
}

/* ===== SOLUTION ===== */
.solution { background: var(--ink); }
.solution__header { margin-bottom: 64px; }
.strengths-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.strength-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(184,146,42,0.2);
  border-top: 3px solid var(--gold);
  padding: 36px 28px;
  border-radius: var(--radius);
  transition: background 0.22s, transform 0.22s;
}
.strength-card:hover {
  background: rgba(255,255,255,0.07);
  transform: translateY(-4px);
}
.strength-card__num {
  font-family: 'Shippori Mincho B1', serif;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.15em;
  margin-bottom: 16px;
}
.strength-card__title {
  font-family: 'Shippori Mincho B1', serif;
  font-weight: 600;
  font-size: var(--fs-lg);
  color: var(--white);
  margin-bottom: 14px;
  line-height: 1.4;
}
.strength-card__text {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.6);
  line-height: 1.85;
}
.strength-card__tag {
  display: inline-block;
  margin-top: 16px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--gold);
  border: 1px solid rgba(184,146,42,0.4);
  padding: 3px 10px;
  border-radius: 2px;
}

/* ===== QUOTE BLOCK ===== */
.quote-block {
  background: rgba(184,146,42,0.06);
  border-left: 3px solid var(--gold);
  padding: 24px 32px;
  margin: 48px 0;
  border-radius: 0 2px 2px 0;
}
.quote-block__text {
  font-family: 'Shippori Mincho B1', serif;
  font-size: var(--fs-md);
  color: rgba(255,255,255,0.85);
  line-height: 1.9;
  margin-bottom: 12px;
}
.quote-block__text::before { content: '「'; color: var(--gold); }
.quote-block__text::after  { content: '」'; color: var(--gold); }
.quote-block__attr {
  font-size: var(--fs-xs);
  color: var(--gold-light);
  letter-spacing: 0.08em;
}

/* ===== STEPS ===== */
.steps { background: var(--mist); }
.steps__header { margin-bottom: 64px; }
.steps-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}
.steps-list::before {
  content: '';
  position: absolute;
  left: 36px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--gold), rgba(184,146,42,0.1));
}
.step-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 32px;
  padding: 36px 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  align-items: start;
}
.step-item:last-child { border-bottom: none; }
.step-item__num-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  position: relative;
}
.step-item__circle {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  position: relative;
  z-index: 1;
}
.step-item__step-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--gold);
}
.step-item__step-num {
  font-family: 'Shippori Mincho B1', serif;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}
.step-item__body { padding-top: 12px; }
.step-item__title {
  font-family: 'Shippori Mincho B1', serif;
  font-weight: 700;
  font-size: var(--fs-xl);
  color: var(--ink);
  margin-bottom: 10px;
  line-height: 1.4;
}
.step-item__subtitle {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}
.step-item__text {
  font-size: var(--fs-sm);
  color: var(--text-sub);
  line-height: 1.85;
}

/* ===== ROADMAP ===== */
.roadmap { background: var(--white); }
.roadmap__header { margin-bottom: 64px; }
.phases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 4px;
  overflow: hidden;
}
.phase {
  padding: 40px 32px;
  border-right: 1px solid rgba(0,0,0,0.08);
  position: relative;
  background: var(--white);
  transition: background 0.22s;
}
.phase:last-child { border-right: none; }
.phase:hover { background: var(--mist); }
.phase__arrow {
  position: absolute;
  top: 50%;
  right: -1px;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
  border-left: 12px solid var(--paper-dark);
  z-index: 2;
}
.phase:last-child .phase__arrow { display: none; }
.phase__label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 8px;
  text-transform: uppercase;
}
.phase__period {
  font-family: 'Shippori Mincho B1', serif;
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
}
.phase__name {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--text-sub);
  margin-bottom: 20px;
}
.phase__divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
  margin-bottom: 20px;
}
.phase__points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.phase__points li {
  font-size: var(--fs-sm);
  color: var(--text-sub);
  line-height: 1.6;
  padding-left: 16px;
  position: relative;
}
.phase__points li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-size: 11px;
}
.roadmap__note {
  margin-top: 32px;
  padding: 20px 24px;
  background: var(--paper);
  border-left: 3px solid var(--gold);
  font-size: var(--fs-sm);
  color: var(--text-sub);
  line-height: 1.8;
}

/* ===== ABOUT ===== */
.about { background: var(--paper); }
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about__image-wrap {
  height: 360px;
  border-radius: 2px;
  overflow: hidden;
  box-shadow: var(--shadow-strong);
}
.person-card {
  background: var(--white);
  border-top: 3px solid var(--gold);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
}
.person-card__role {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.person-card__name {
  font-family: 'Shippori Mincho B1', serif;
  font-weight: 700;
  font-size: var(--fs-lg);
  color: var(--ink);
  margin-bottom: 4px;
}
.person-card__affil {
  font-size: var(--fs-xs);
  color: var(--text-light);
}
.person-card__cert {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.badge {
  font-size: 10px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 2px;
  letter-spacing: 0.06em;
}
.badge--gold { background: rgba(184,146,42,0.12); color: var(--gold); border: 1px solid rgba(184,146,42,0.3); }
.badge--ink  { background: rgba(14,21,32,0.08); color: var(--ink-soft); border: 1px solid rgba(14,21,32,0.15); }

/* ===== CTA ===== */
.cta {
  background: var(--ink);
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 80% at 50% 100%, rgba(184,146,42,0.1) 0%, transparent 60%);
}
.cta__inner {
  position: relative;
  text-align: center;
}
.cta__eyebrow {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 24px;
}
.cta__title {
  font-family: 'Shippori Mincho B1', serif;
  font-weight: 800;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--white);
  line-height: 1.4;
  margin-bottom: 20px;
}
.cta__sub {
  font-size: var(--fs-md);
  color: rgba(255,255,255,0.6);
  max-width: 560px;
  margin: 0 auto 48px;
  line-height: 1.9;
}
.cta__buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn--cta-primary {
  background: var(--gold);
  color: var(--ink);
  font-size: var(--fs-base);
  padding: 18px 36px;
}
.btn--cta-primary:hover {
  background: var(--gold-light);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(184,146,42,0.4);
}
.btn--cta-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.3);
  font-size: var(--fs-base);
  padding: 18px 36px;
}
.btn--cta-outline:hover {
  border-color: var(--gold-light);
  color: var(--gold-light);
}
.cta__exhibit-note {
  margin-top: 40px;
  padding: 16px 28px;
  background: rgba(155,35,53,0.25);
  border: 1px solid rgba(155,35,53,0.5);
  border-radius: 2px;
  display: inline-block;
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.06em;
}
.cta__exhibit-note strong { color: #fff; }

/* ===== FOOTER ===== */
footer {
  background: #080D13;
  padding: 48px 0;
  border-top: 1px solid rgba(184,146,42,0.15);
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}
.footer__logo {
  font-family: 'Shippori Mincho B1', serif;
  font-weight: 600;
  font-size: var(--fs-md);
  color: rgba(255,255,255,0.8);
}
.footer__copy {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.3);
  letter-spacing: 0.08em;
}
.footer__jp {
  font-size: var(--fs-xs);
  color: var(--gold);
  letter-spacing: 0.1em;
}

/* ===== STAT STRIP ===== */
.stat-strip {
  background: var(--ink-mid);
  padding: 40px 0;
  border-top: 1px solid rgba(184,146,42,0.2);
  border-bottom: 1px solid rgba(184,146,42,0.2);
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  text-align: center;
}
.stat-item__num {
  font-family: 'Shippori Mincho B1', serif;
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--gold-light);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-item__unit {
  font-size: 1rem;
  color: var(--gold);
}
.stat-item__label {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.1em;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero__content { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { order: -1; }
  .hero__image-wrap { overflow: hidden; }
  .problems__grid { grid-template-columns: 1fr; }
  .strengths-grid { grid-template-columns: 1fr; }
  .phases { grid-template-columns: 1fr; }
  .phase { border-right: none; border-bottom: 1px solid rgba(0,0,0,0.08); }
  .phase__arrow { display: none; }
  .about__grid { grid-template-columns: 1fr; gap: 40px; }
  .stat-grid { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 640px) {
  section { padding: 72px 0; }
  .nav__inner { padding: 0 16px; }
  .hero { padding: 100px 0 64px; }
  .step-item { grid-template-columns: 56px 1fr; gap: 20px; }
  .steps-list::before { left: 28px; }
  .step-item__circle { width: 56px; height: 56px; }
  .hero__cta-group { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
}

/* ===== STORY VISUAL（ビジュアルストーリー：Before/After イラスト） ===== */
/*
 * 使い方:
 *   <div class="story-visual-section">
 *     <img class="story-visual" src="image_before.png" alt="Before">
 *   </div>
 *
 * フルブリード（コンテナ外）にする場合は .story-visual-section を
 * <section> や <div> の直下（.container の外）に置く。
 */
.story-visual-section {
  width: 100%;
  overflow: hidden;
  background: var(--ink);   /* 画像読み込み前のフォールバック */
  line-height: 0;            /* img 下部の隙間を除去 */
}

.story-visual {
  display: block;
  width: 100%;
  aspect-ratio: 8 / 5;       /* 画像実寸 1772×1081 / 1772×1111 の平均比率 */
  object-fit: cover;
  object-position: center center;
  border-radius: 0;           /* フルブリード想定のため角丸なし */
}

/* サイドパディング付きのセクション内（.container 内）で使う場合 */
.story-visual--contained {
  border-radius: var(--radius);
  box-shadow: var(--shadow-strong);
}

/* キャプション行（任意） */
.story-visual-caption {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 12px 0 0;
  font-size: var(--fs-xs);
  color: var(--text-light);
  letter-spacing: 0.08em;
}
.story-visual-caption__badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 3px 10px;
  border-radius: 2px;
  white-space: nowrap;
}
.story-visual-caption__badge--before {
  background: rgba(155,35,53,0.12);
  color: var(--accent-red);
  border: 1px solid rgba(155,35,53,0.3);
}
.story-visual-caption__badge--after {
  background: rgba(42,170,122,0.12);
  color: var(--teal-green);
  border: 1px solid rgba(42,170,122,0.3);
}

/* ===== ABOUT — INLINE EXTRACTS ===== */

/* Image placeholder full-height variant */
.img-placeholder--full { height: 100%; }

/* Lead paragraph */
.about__lead {
  font-size: var(--fs-sm);
  color: var(--text-sub);
  line-height: 1.9;
  margin-bottom: 28px;
}

/* Wrapper block with bottom margin */
.about__block { margin-bottom: 24px; }

/* Section eyebrow label (PHILOSOPHY / COMPANY OVERVIEW / HISTORY) */
.about__eyebrow {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin-bottom: 10px;
}
.about__eyebrow--history { margin-top: 20px; }

/* Philosophy card list */
.philosophy__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Philosophy cards */
.philosophy__card {
  background: var(--white);
  border-left: 3px solid;
  padding: 14px 18px;
  border-radius: 0 2px 2px 0;
  box-shadow: var(--shadow-card);
}
.philosophy__card--gold { border-color: var(--gold); }
.philosophy__card--ink  { border-color: var(--ink-soft); }

.philosophy__card-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-light);
  margin-bottom: 4px;
}
.philosophy__card-title {
  font-family: 'Shippori Mincho B1', serif;
  font-weight: 600;
  font-size: var(--fs-md);
  color: var(--ink);
  line-height: 1.5;
}
.philosophy__card-desc {
  font-size: var(--fs-xs);
  color: var(--text-sub);
  margin-top: 6px;
  line-height: 1.7;
}

/* Company overview table */
.about__table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-xs);
}
.about__table tr { border-bottom: 1px solid rgba(0,0,0,0.07); }
.about__table tr:last-child { border-bottom: none; }
.about__table th {
  text-align: left;
  padding: 8px 12px 8px 0;
  color: var(--text-light);
  font-weight: 500;
  width: 36%;
  white-space: nowrap;
}
.about__table td {
  padding: 8px 0;
  color: var(--text-main);
}

/* History list */
.history__list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.history__item {
  display: flex;
  gap: 14px;
  align-items: baseline;
  font-size: var(--fs-xs);
}
.history__year {
  color: var(--gold);
  font-weight: 700;
  white-space: nowrap;
  min-width: 56px;
}
.history__text { color: var(--text-sub); }

/* Footer layout */
.footer__right { text-align: right; }
.footer__address {
  margin-top: 6px;
  font-size: 11px;
  color: var(--gold);
  letter-spacing: 0.1em;
}
.footer__copy { margin-top: 6px; }
/* ===== SECURITY ===== */
.security {
  background: var(--ink-mid);
  padding: 120px 0;
}
.security__header {
  margin-bottom: 64px;
}
.security__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.security__card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(27,140,166,0.2);
  border-top: 3px solid var(--gold);
  padding: 36px 28px;
  border-radius: var(--radius);
  transition: background 0.22s, transform 0.22s;
}
.security__card:hover {
  background: rgba(255,255,255,0.07);
  transform: translateY(-4px);
}
.security__card-icon {
  font-size: 1.75rem;
  margin-bottom: 16px;
  display: block;
}
.security__card-title {
  font-family: 'Shippori Mincho B1', serif;
  font-weight: 600;
  font-size: var(--fs-lg);
  color: var(--white);
  margin-bottom: 14px;
  line-height: 1.4;
}
.security__card-text {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.6);
  line-height: 1.85;
}

@media (max-width: 900px) {
  .security__grid {
    grid-template-columns: 1fr;
  }
}