/* ============================================
   METΔBREWS - Craft Beer OEM Landing Page
   Dual-Mode: REAL (white) / DIGITAL (dark)
   ============================================ */

/* ============================================
   FONT SYSTEM
   Heading: Space Grotesk / Body: Inter
   ============================================ */
.section-title,
.hero__title,
.hero__label,
.section-label,
.feature-card__num,
.feature-card__title,
.usecase-card__title,
.usecase-card__category,
.result-card__title,
.result-card__tag,
.flow__title,
.flow__num,
.flow__period,
.plan-card__title,
.plan-card__name,
.cta-band__title,
.d-service-card__title,
.d-service-card__num,
.d-lab__card-title,
.header__nav a,
.header__contact-btn,
.mode-toggle__label,
.footer__nav a {
  font-family: 'Space Grotesk', 'Noto Sans JP', sans-serif;
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  color: #2a2a2a;
  background: #f5f5f3;
  line-height: 1.8;
  font-weight: 400;
  letter-spacing: 0.04em;
  transition: background 0.6s ease, color 0.6s ease;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

/* ============================================
   UTILITY
   ============================================ */
.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 32px;
}

.container--narrow {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 32px;
}

.section-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: #999;
  margin-bottom: 16px;
  transition: color 0.6s ease;
}

.section-title {
  font-size: clamp(1.8rem, 4.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.02em;
  color: #1a1a1a;
  margin-bottom: 28px;
  transition: color 0.6s ease;
}

.section-lead {
  font-size: clamp(0.85rem, 2vw, 0.95rem);
  color: #777;
  line-height: 2;
  max-width: 640px;
  transition: color 0.6s ease;
}

.section-header {
  margin-bottom: 80px;
}

.section-header--center {
  text-align: center;
}

.section-header--center .section-lead {
  margin: 0 auto;
}

.section {
  padding: 140px 0;
  transition: background 0.6s ease;
}

.section--gray {
  background: #fff;
}

.section--border-top {
  border-top: 1px solid #e5e5e3;
}

.divider {
  width: 48px;
  height: 1px;
  background: #ccc;
  margin: 24px 0;
}

.divider--center {
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   FADE-IN ANIMATION
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(.4,.4,0,1), transform 0.7s cubic-bezier(.4,.4,0,1);
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-stagger > *:nth-child(1) { transition-delay: 0s; }
.fade-in-stagger > *:nth-child(2) { transition-delay: 0.1s; }
.fade-in-stagger > *:nth-child(3) { transition-delay: 0.15s; }
.fade-in-stagger > *:nth-child(4) { transition-delay: 0.2s; }
.fade-in-stagger > *:nth-child(5) { transition-delay: 0.3s; }
.fade-in-stagger > *:nth-child(6) { transition-delay: 0.4s; }
.fade-in-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(.4,.4,0,1), transform 0.6s cubic-bezier(.4,.4,0,1);
}
.fade-in-stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   HEADER
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.header.is-scrolled {
  background: rgba(245, 245, 243, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: #e5e5e3;
  box-shadow: 0 1px 8px rgba(0,0,0,0.03);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 32px;
  height: 72px;
}

.header__logo {
  display: flex;
  align-items: center;
}

/* Image logo */
.header__logo-img {
  height: 40px;
  width: auto;
  transition: filter 0.3s;
}

/* REAL mode logo: white on hero (filter), black when scrolled */
.header__logo-img--real {
  filter: brightness(0) invert(1);
  display: inline-block;
}
.header.is-scrolled .header__logo-img--real {
  filter: brightness(0);
}

/* DIGITAL mode logo: METABREWS_logo.pngは黒なので白フィルター */
.header__logo-img--digital {
  display: none;
  height: 30px;
  filter: brightness(0) invert(1);
}

/* モード切替で表示を入れ替える */
[data-mode="digital"] .header__logo-img--real {
  display: none;
}
[data-mode="digital"] .header__logo-img--digital {
  display: inline-block;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-left: auto;
  margin-right: 50px;
}

.header__nav a {
  padding: 0 15px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.85);
  transition: color 0.3s;
  position: relative;
}

.header__nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: #fff;
  transition: width 0.3s, background 0.3s;
}

.header__nav a:hover,
.header__nav a.is-active {
  color: #fff;
}

.header__nav a:hover::after,
.header__nav a.is-active::after {
  width: 100%;
}

.header.is-scrolled .header__nav a {
  color: #555;
}

.header.is-scrolled .header__nav a:hover,
.header.is-scrolled .header__nav a.is-active {
  color: #1a1a1a;
}

.header.is-scrolled .header__nav a::after {
  background: #1a1a1a;
}

/* Header Contact Button */
.header__contact-btn {
  display: inline-flex;
  align-items: center;
  padding: 8px 24px;
  background: #fff;
  color: #1a1a1a;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 60px;
  transition: background 0.3s, transform 0.2s, box-shadow 0.3s;
  margin-left: 8px;
  white-space: nowrap;
}

.header__contact-btn:hover {
  background: #f0f0f0;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}

.header.is-scrolled .header__contact-btn {
  background: #1a1a1a;
  color: #fff;
}

.header.is-scrolled .header__contact-btn:hover {
  background: #333;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

/* ============================================
   MODE TOGGLE
   ============================================ */
.mode-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  margin-left: 8px;
}

.mode-toggle__track {
  position: relative;
  width: 44px;
  height: 22px;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 11px;
  transition: background 0.3s, border-color 0.3s;
}

.header.is-scrolled .mode-toggle__track {
  background: #eee;
  border-color: #ddd;
}

.mode-toggle__thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: #1a1a1a;
  border-radius: 50%;
  transition: left 0.3s cubic-bezier(.4,.4,0,1), background 0.3s;
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

[data-mode="digital"] .mode-toggle__thumb {
  left: 24px;
  background: #00e5ff;
}

[data-mode="digital"] .mode-toggle__track {
  background: rgba(0,229,255,0.15);
  border-color: rgba(0,229,255,0.3);
}

.mode-toggle__label {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  transition: color 0.3s;
}

.mode-toggle__label.is-active {
  color: #fff;
}

.header.is-scrolled .mode-toggle__label {
  color: #bbb;
}

.header.is-scrolled .mode-toggle__label.is-active {
  color: #1a1a1a;
}

/* Mobile toggle */
.mode-toggle--mobile {
  margin-left: 0;
  justify-content: center;
}

.mode-toggle--mobile .mode-toggle__track {
  background: #eee;
  border-color: #ddd;
}

.mode-toggle--mobile .mode-toggle__label {
  color: #bbb;
}

.mode-toggle--mobile .mode-toggle__label.is-active {
  color: #1a1a1a;
}

/* ============================================
   HAMBURGER
   ============================================ */
.header__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.header__hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: #fff;
  transition: transform 0.3s, opacity 0.3s, background 0.3s;
}

.header.is-scrolled .header__hamburger span {
  background: #1a1a1a;
}

.header__hamburger.is-open span {
  background: #1a1a1a;
}

.header__hamburger.is-open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.header__hamburger.is-open span:nth-child(2) {
  opacity: 0;
}

.header__hamburger.is-open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ============================================
   MOBILE NAV
   ============================================ */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100dvh;
  background: rgba(255,255,255,0.98);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding-top: 100px;
  gap: 0;
  opacity: 0;
  transition: opacity 0.3s, background 0.3s;
  overflow-y: auto;
}

.mobile-nav.is-open {
  display: flex;
  opacity: 1;
}

.mobile-nav__mode {
  margin-bottom: 32px;
  flex-shrink: 0;
}

.mobile-nav-real,
.mobile-nav-digital {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  width: 100%;
  padding: 0 24px;
}

.mobile-nav a {
  display: block;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #1a1a1a;
  padding: 12px 0;
  transition: color 0.3s, opacity 0.3s;
  text-align: center;
  width: 100%;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.mobile-nav a:last-child {
  border-bottom: none;
}

.mobile-nav a:hover {
  opacity: 0.6;
}

/* ============================================
   HERO - Video Background
   ============================================ */
.hero {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  text-align: left;
  padding: 140px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero__video-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

/* REAL mode hero background (brewing tanks) */
.hero__video-placeholder {
  position: absolute;
  inset: 0;
  background: url('../img/RwalBrews_bg.png') center center / cover no-repeat;
  transition: opacity 0.6s ease;
}

/* DIGITAL mode: swap to cosmic art */
[data-mode="digital"] .hero__video-placeholder {
  background-image: url('../img/METABREWS_bg.png');
}

.hero__overlay {
  position: absolute;
  inset: 0;
  transition: opacity 0.6s ease;
}

.hero__overlay--real {
  background: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.5) 100%);
  opacity: 1;
}

.hero__overlay--digital {
  background: linear-gradient(180deg, rgba(10,10,30,0.6) 0%, rgba(10,10,30,0.85) 100%);
  opacity: 0;
}

[data-mode="digital"] .hero__overlay--real {
  opacity: 0;
}

[data-mode="digital"] .hero__overlay--digital {
  opacity: 1;
}

.hero__content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 32px;
}

.hero__content--digital {
  display: none;
}

[data-mode="digital"] .hero__content--real {
  display: none;
}

[data-mode="digital"] .hero__content--digital {
  display: block;
}

.hero__label {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-bottom: 28px;
}

.hero__label--digital {
  color: #00e5ff;
}

/* Hero brand logo (METΔBREWS small logo above title) — 黒ロゴを白フィルターで表示 */
.hero__brand-logo {
  display: block;
  height: 36px;
  width: auto;
  margin-bottom: 20px;
  opacity: 0.95;
  filter: brightness(0) invert(1);
}

@media (max-width: 768px) {
  .hero__brand-logo {
    height: 28px;
    margin-bottom: 16px;
  }
}

.hero__title {
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: #fff;
  margin-bottom: 36px;
}

.hero__title em {
  font-style: normal;
  color: #fff;
}

[data-mode="digital"] .hero__title em {
  color: #00e5ff;
}

.hero__lead {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 2.2;
  max-width: 520px;
  margin: 0 0 48px;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  color: #1a1a1a;
  padding: 18px 48px;
  border-radius: 60px;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  transition: background 0.3s, transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 4px 24px rgba(0,0,0,0.12);
  position: relative;
  overflow: hidden;
}

.hero__cta::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: none;
}

.hero__cta:hover::after {
  left: 120%;
  transition: left 0.6s ease;
}

.hero__cta:hover {
  background: #f0f0f0;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
}

.hero__cta--outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.6);
  box-shadow: none;
}

.hero__cta--outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
  box-shadow: 0 4px 24px rgba(255,255,255,0.1);
}

.hero__cta--digital {
  background: linear-gradient(135deg, #00e5ff, #00b8d4);
  color: #0a0e14;
  box-shadow: 0 4px 20px rgba(0,229,255,0.2);
}

.hero__cta--digital:hover {
  background: linear-gradient(135deg, #18ffff, #00e5ff);
  box-shadow: 0 8px 32px rgba(0,229,255,0.35);
}

.hero__cta svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s;
}

.hero__cta:hover svg {
  transform: translateX(3px);
}

.hero__scroll {
  position: absolute;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  color: rgba(255, 255, 255, 0.45);
  text-transform: uppercase;
  z-index: 1;
}

.hero__scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.4);
  margin: 8px auto 0;
  animation: scrollLine 2s infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================
   ABOUT
   ============================================ */
.about__layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: center;
}

.about__body .section-label {
  margin-bottom: 12px;
}

.about__body .section-title {
  margin-bottom: 24px;
}

.about__body .divider {
  margin-bottom: 32px;
}

.about__philosophy {
  margin-bottom: 36px;
  padding: 32px 0;
  border-top: 1px solid #e5e5e3;
  border-bottom: 1px solid #e5e5e3;
  transition: border-color 0.6s ease;
}

.about__philosophy-text {
  font-size: 0.95rem;
  color: #666;
  line-height: 2.2;
  margin-bottom: 16px;
  transition: color 0.6s ease;
}

.about__philosophy-brand {
  font-size: 1rem;
  color: #333;
  line-height: 2;
  transition: color 0.6s ease;
}

.about__philosophy-brand strong {
  font-size: 1.1rem;
  color: #1a1a1a;
  font-weight: 800;
}

.about__text p {
  font-size: 1rem;
  color: #555;
  line-height: 2.2;
  margin-bottom: 20px;
  transition: color 0.6s ease;
}

.about__text p:last-child {
  margin-bottom: 0;
}

.about__visual {
  text-align: center;
}

.about__image {
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  display: block;
  object-fit: cover;
  border-radius: 16px;
}

.about__image-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: #f5f3ef;
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  transition: background 0.6s ease;
}

.about__image-placeholder span {
  font-size: 0.75rem;
  color: #bbb;
  letter-spacing: 0.1em;
}

/* ============================================
   LOGO TICKER — 提携ブルワリー
   ============================================ */
.logo-ticker {
  padding: 48px 0;
  overflow: hidden;
  background: #fff;
  border-bottom: 1px solid #eee;
  transition: background 0.6s, border-color 0.6s;
}

.logo-ticker__label {
  text-align: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #bbb;
  margin-bottom: 24px;
  transition: color 0.6s;
}

.logo-ticker__wrap {
  position: relative;
  width: 100%;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
}

.logo-ticker__track {
  display: flex;
  gap: 80px;
  width: max-content;
  animation: tickerScroll 30s linear infinite;
  will-change: transform;
}

.logo-ticker__item {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 220px;
  height: 80px;
  color: #bbb;
  opacity: 0.5;
  transition: opacity 0.4s, color 0.6s;
}

.logo-ticker__item:hover {
  opacity: 1;
}

.logo-ticker__item svg {
  width: 100%;
  height: 100%;
}

/* ラベル非表示バリアント */
.logo-ticker--no-label .logo-ticker__label {
  display: none;
}

/* クライアントロゴ画像 */
.logo-ticker__img {
  max-height: 70px;
  max-width: 210px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.9;
  transition: opacity 0.3s;
}
.logo-ticker__item:hover .logo-ticker__img {
  opacity: 1;
}
/* クライアントロゴアイテム自体は opacity 0.5 を打ち消す（ロゴ側で制御） */
.logo-ticker--no-label .logo-ticker__item {
  opacity: 1;
}

@keyframes tickerScroll {
  0% {
    transform: translateX(0);
  }
  100% {
    /* gap 80px 使用時、flex gap による計算ズレを 40px（gap/2）で補正してシームレスにループ */
    transform: translateX(calc(-50% - 40px));
  }
}

/* ティッカー hover で一時停止 */
.logo-ticker__wrap:hover .logo-ticker__track {
  animation-play-state: paused;
}

/* Digital mode */
[data-mode="digital"] .logo-ticker {
  background: #0a0e14;
  border-bottom-color: #1e2430;
}

[data-mode="digital"] .logo-ticker__label {
  color: #555;
}

[data-mode="digital"] .logo-ticker__item {
  color: #555;
}

/* ============================================
   MODE SECTIONS
   ============================================ */
.mode-sections--digital {
  display: none;
}

[data-mode="digital"] .mode-sections--real {
  display: none;
}

[data-mode="digital"] .mode-sections--digital {
  display: block;
}

/* ============================================
   FEATURES — 画像主体の交互レイアウト
   ============================================ */
.section--features {
  padding: 140px 0 0;
  background: #fff;
}

.section--features .section-header {
  margin-bottom: 80px;
}

.feature-row {
  display: grid;
  grid-template-columns: 3fr 2fr;
  min-height: 600px;
  overflow: hidden;
}

.feature-row--reverse {
  grid-template-columns: 2fr 3fr;
}

.feature-row--reverse .feature-row__image {
  order: 2;
}

.feature-row--reverse .feature-row__body {
  order: 1;
}

.feature-row__image {
  position: relative;
  overflow: hidden;
}

.feature-row__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(.4,.4,0,1);
}

.feature-row:hover .feature-row__image img {
  transform: scale(1.03);
}

.feature-row__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 64px;
  background: #f5f5f3;
  transition: background 0.6s ease;
}

.feature-row:nth-child(odd) .feature-row__body {
  background: #fff;
}

.feature-row__num {
  font-family: 'Space Grotesk', 'Noto Sans JP', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: #999;
  margin-bottom: 20px;
}

.feature-row__title {
  font-family: 'Space Grotesk', 'Noto Sans JP', sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.4;
  color: #1a1a1a;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
  transition: color 0.6s ease;
}

.feature-row__text {
  font-size: 0.92rem;
  color: #666;
  line-height: 2.2;
  max-width: 420px;
  transition: color 0.6s ease;
}

/* ============================================
   IMAGE BREAK — セクション間の画像バナー
   ============================================ */
.image-break {
  position: relative;
  height: 50vh;
  min-height: 360px;
  overflow: hidden;
}

.image-break__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.image-break__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
}

.image-break__content {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 32px;
}

.image-break__text {
  font-family: 'Space Grotesk', 'Noto Sans JP', sans-serif;
  font-size: clamp(1.3rem, 3.5vw, 2rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.8;
  letter-spacing: 0.06em;
}

/* ============================================
   USE CASES
   ============================================ */
.usecases__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.usecase-card {
  background: #fff;
  border: none;
  border-radius: 20px;
  padding: 44px 36px;
  transition: box-shadow 0.4s, transform 0.3s, background 0.6s;
  box-shadow: 0 2px 20px rgba(0,0,0,0.04);
}

.usecase-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.07);
  transform: translateY(-3px);
}

.usecase-card__icon {
  margin-bottom: 16px;
  line-height: 0;
}

.usecase-card__category {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: #1a1a1a;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.usecase-card__title {
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 12px;
  line-height: 1.6;
  transition: color 0.6s ease;
}

.usecase-card__text {
  font-size: 0.85rem;
  color: #666;
  line-height: 1.9;
  transition: color 0.6s ease;
}

/* ============================================
   RESULTS — カードグリッド
   ============================================ */
.results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding: 0 30px;
}

.result-card {
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
  transition: box-shadow 0.4s, transform 0.4s, background 0.6s;
}

.result-card:hover {
  box-shadow: 0 12px 40px rgba(0,0,0,0.12);
  transform: translateY(-6px);
}

.result-card__image {
  overflow: hidden;
  line-height: 0;
}

.result-card__image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s cubic-bezier(.4,.4,0,1);
}

.result-card:hover .result-card__image img {
  transform: scale(1.05);
}

.result-card__body {
  padding: 28px 28px 32px;
}

.result-card__tag {
  display: inline-block;
  font-family: 'Space Grotesk', 'Noto Sans JP', sans-serif;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: #1a1a1a;
  border: 1px solid rgba(26,26,26,0.2);
  border-radius: 20px;
  padding: 4px 12px;
  margin-bottom: 14px;
  text-transform: uppercase;
  transition: color 0.6s, border-color 0.6s;
}

.result-card__title {
  font-family: 'Space Grotesk', 'Noto Sans JP', sans-serif;
  font-size: clamp(0.92rem, 2vw, 1.05rem);
  font-weight: 700;
  color: #1a1a1a;
  line-height: 1.6;
  margin-bottom: 12px;
  transition: color 0.6s;
}

.result-card__desc {
  font-size: 0.82rem;
  color: #666;
  line-height: 2;
  margin-bottom: 20px;
  transition: color 0.6s;
}

.result-card__link {
  font-family: 'Space Grotesk', 'Noto Sans JP', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  color: #1a1a1a;
  letter-spacing: 0.08em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  border: 1.5px solid #1a1a1a;
  border-radius: 60px;
  transition: background 0.3s, color 0.3s, gap 0.3s, border-color 0.6s;
}

.result-card__link:hover {
  background: #1a1a1a;
  color: #fff;
  gap: 10px;
}

/* ============================================
   FLOW — タイムライン・カードスタイル
   ============================================ */
.flow-timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 56px;
}

.flow-card {
  background: #fff;
  border: 1px solid rgba(26,26,26,0.08);
  border-radius: 16px;
  padding: 0;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.6s ease, background 0.6s ease;
}

.flow-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}

.flow-card__header {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 24px 24px 0;
}

.flow-card__num {
  font-family: 'Space Grotesk', 'Noto Sans JP', sans-serif;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
  color: #1a1a1a;
  border: 1.5px solid rgba(26,26,26,0.15);
  border-radius: 50%;
  background: #f5f5f3;
  flex-shrink: 0;
  transition: background 0.6s ease, border-color 0.6s ease, color 0.6s ease;
}

.flow-card__num--final {
  background: #1a1a1a;
  border-color: #1a1a1a;
  color: #fff;
}

.flow-card__connector {
  flex: 1;
  height: 1px;
  background: rgba(26,26,26,0.1);
  margin-left: 12px;
}

.flow-card__body {
  padding: 20px 24px 28px;
}

.flow-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26,26,26,0.04);
  border-radius: 12px;
  color: #1a1a1a;
  margin-bottom: 16px;
  transition: background 0.6s ease, color 0.6s ease;
}

.flow-card__period {
  font-family: 'Space Grotesk', 'Noto Sans JP', sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #999;
  margin-bottom: 8px;
  transition: color 0.6s ease;
}

.flow-card__badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 20px;
  background: rgba(26,26,26,0.06);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #666;
  transition: background 0.6s ease, color 0.6s ease;
}

.flow-card__badge--accent {
  background: #1a1a1a;
  color: #fff;
}

.flow-card__title {
  font-family: 'Space Grotesk', 'Noto Sans JP', sans-serif;
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 10px;
  line-height: 1.5;
  transition: color 0.6s ease;
}

.flow-card__text {
  font-size: 0.8rem;
  color: #666;
  line-height: 1.9;
  margin-bottom: 16px;
  transition: color 0.6s ease;
}

.flow-card__details {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid rgba(26,26,26,0.06);
  padding-top: 14px;
}

.flow-card__details li {
  font-size: 0.75rem;
  color: #888;
  line-height: 1.6;
  padding: 3px 0 3px 18px;
  position: relative;
  transition: color 0.6s ease;
}

.flow-card__details li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(26,26,26,0.15);
  transition: background 0.6s ease;
}

/* Flow CTA */
.flow-cta {
  text-align: center;
  padding: 40px;
  background: #f5f5f3;
  border-radius: 16px;
  transition: background 0.6s ease;
}

.flow-cta__text {
  font-size: 0.88rem;
  color: #666;
  margin-bottom: 20px;
  transition: color 0.6s ease;
}

.flow-cta__btn {
  display: inline-block;
  padding: 14px 40px;
  background: #1a1a1a;
  color: #fff;
  font-family: 'Space Grotesk', 'Noto Sans JP', sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-radius: 60px;
  text-decoration: none;
  transition: background 0.3s ease, transform 0.3s ease;
}

.flow-cta__btn:hover {
  background: #333;
  transform: translateY(-2px);
}

/* Digital mode overrides — Flow */
[data-mode="digital"] .flow-card {
  background: #111720;
  border-color: rgba(255,255,255,0.06);
}

[data-mode="digital"] .flow-card:hover {
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

[data-mode="digital"] .flow-card__num {
  background: #1a2233;
  border-color: rgba(255,255,255,0.12);
  color: #e0e0e0;
}

[data-mode="digital"] .flow-card__num--final {
  background: #00e5ff;
  border-color: #00e5ff;
  color: #0a0e14;
}

[data-mode="digital"] .flow-card__connector {
  background: rgba(255,255,255,0.08);
}

[data-mode="digital"] .flow-card__icon {
  background: rgba(0,229,255,0.08);
  color: #00e5ff;
}

[data-mode="digital"] .flow-card__period {
  color: #667;
}

[data-mode="digital"] .flow-card__badge {
  background: rgba(255,255,255,0.08);
  color: #aaa;
}

[data-mode="digital"] .flow-card__badge--accent {
  background: #00e5ff;
  color: #0a0e14;
}

[data-mode="digital"] .flow-card__title {
  color: #f0f0f0;
}

[data-mode="digital"] .flow-card__text {
  color: #8a8f9a;
}

[data-mode="digital"] .flow-card__details {
  border-top-color: rgba(255,255,255,0.06);
}

[data-mode="digital"] .flow-card__details li {
  color: #667;
}

[data-mode="digital"] .flow-card__details li::before {
  background: rgba(0,229,255,0.3);
}

[data-mode="digital"] .flow-cta {
  background: #111720;
}

[data-mode="digital"] .flow-cta__text {
  color: #8a8f9a;
}

[data-mode="digital"] .flow-cta__btn {
  background: #00e5ff;
  color: #0a0e14;
}

[data-mode="digital"] .flow-cta__btn:hover {
  background: #33ebff;
}

/* ============================================
   PLANS
   ============================================ */
.plans__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.plan-card {
  border: none;
  border-radius: 20px;
  padding: 44px 32px 36px;
  position: relative;
  background: #fff;
  transition: box-shadow 0.4s, transform 0.3s, background 0.6s;
  box-shadow: 0 2px 20px rgba(0,0,0,0.04);
  display: flex;
  flex-direction: column;
}

.plan-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.07);
  transform: translateY(-3px);
}

.plan-card--featured {
  border: 2px solid #1a1a1a;
}

.plan-card--featured::before {
  content: 'POPULAR';
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  background: #1a1a1a;
  color: #fff;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-align: center;
  padding: 7px;
  border-radius: 20px 20px 0 0;
}

.plan-card__header {
  text-align: center;
  margin-bottom: 20px;
}

.plan-card__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f5f5f5;
  border-radius: 14px;
  color: #1a1a1a;
  transition: background 0.6s, color 0.6s;
}

.plan-card__icon svg {
  width: 24px;
  height: 24px;
}

.plan-card--featured .plan-card__icon {
  background: #1a1a1a;
  color: #fff;
}

.plan-card__name {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: #1a1a1a;
  text-transform: uppercase;
  margin-bottom: 8px;
  transition: color 0.6s;
}

.plan-card__title {
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 8px;
  transition: color 0.6s ease;
}

.plan-card__use {
  font-size: 0.82rem;
  color: #888;
  margin-bottom: 0;
}

.plan-card__price {
  text-align: center;
  margin-bottom: 20px;
}

.plan-card__price-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: #888;
  margin-bottom: 8px;
  transition: color 0.6s;
}

.plan-card__price-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: #1a1a1a;
  line-height: 1;
  letter-spacing: -0.02em;
  transition: color 0.6s;
}

.plan-card__price-unit {
  font-size: 0.88rem;
  font-weight: 500;
  color: #888;
  margin-left: 4px;
}

.plan-card__price-note {
  display: block;
  font-size: 0.72rem;
  font-weight: 400;
  color: #999;
  margin-top: 8px;
  letter-spacing: 0.02em;
  transition: color 0.6s;
}

.plan-card__divider {
  height: 1px;
  background: #eee;
  margin-bottom: 20px;
  transition: background 0.6s ease;
}

.plan-card__specs {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 0;
}

.plan-card__spec {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.82rem;
}

.plan-card__spec-label {
  color: #888;
  font-weight: 400;
}

.plan-card__spec-value {
  font-weight: 700;
  color: #1a1a1a;
  transition: color 0.6s ease;
}

/* チェックリスト */
.plan-card__features {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex-grow: 1;
}

.plan-card__feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: #1a1a1a;
  line-height: 1.5;
  transition: color 0.6s;
}

.plan-card__feature svg {
  flex-shrink: 0;
  color: #1a1a1a;
  transition: color 0.6s;
}

.plan-card__feature--disabled {
  color: #ccc;
}

.plan-card__feature--disabled svg {
  color: #ccc;
}

.plan-card__cta {
  display: block;
  text-align: center;
  border: 1.5px solid #1a1a1a;
  color: #1a1a1a;
  padding: 14px;
  border-radius: 60px;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  transition: background 0.3s, color 0.3s, border-color 0.3s;
  position: relative;
  overflow: hidden;
  margin-top: auto;
}

.plan-card__cta::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: none;
}

.plan-card__cta:hover::after {
  left: 120%;
  transition: left 0.6s ease;
}

.plan-card__cta:hover {
  background: #1a1a1a;
  color: #fff;
}

.plan-card--featured .plan-card__cta {
  background: #1a1a1a;
  color: #fff;
  border-color: #1a1a1a;
}

.plan-card--featured .plan-card__cta:hover {
  background: #333;
  border-color: #333;
}

.plans__note {
  text-align: center;
  font-size: 0.78rem;
  color: #999;
  margin-top: 32px;
}

/* ============================================
   CTA BAND
   ============================================ */
.cta-band {
  background: #1a1a1a;
  padding: 72px 24px;
  text-align: center;
}

.cta-band__title {
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.6;
  letter-spacing: 0.06em;
}

.cta-band__lead {
  font-size: 0.88rem;
  color: #999;
  margin-bottom: 32px;
  line-height: 1.9;
}

.cta-band__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #39FF14, #32e612);
  color: #0a0e14;
  padding: 18px 52px;
  border-radius: 60px;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  transition: background 0.3s, transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 4px 20px rgba(57,255,20,0.3);
  position: relative;
  overflow: hidden;
}

.cta-band__btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
  transition: none;
}

.cta-band__btn:hover::after {
  left: 120%;
  transition: left 0.6s ease;
}

.cta-band__btn:hover {
  background: linear-gradient(135deg, #45ff28, #39FF14);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(57,255,20,0.4);
}

.cta-band__btn svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s;
}

.cta-band__btn:hover svg {
  transform: translateX(3px);
}

/* Digital CTA band */
.cta-band--digital {
  background: linear-gradient(135deg, rgba(13,17,23,0.65) 0%, rgba(22,27,34,0.7) 100%),
              url('../img/metabrews_IPA.png') center / cover no-repeat;
  padding: 144px 24px;
}

.cta-band__btn--digital {
  background: linear-gradient(135deg, #00e5ff, #00b8d4);
  color: #0a0e14;
  box-shadow: 0 4px 20px rgba(0,229,255,0.2);
}

.cta-band__btn--digital:hover {
  background: linear-gradient(135deg, #18ffff, #00e5ff);
  box-shadow: 0 8px 32px rgba(0,229,255,0.35);
}

/* ============================================
   DIGITAL SECTIONS
   ============================================ */
.section--dark {
  background: #0d1117;
  padding: 120px 0;
}

.section--darker {
  background: #080b0f;
  padding: 120px 0;
}

.section--dark .section-label,
.section--darker .section-label {
  color: #00e5ff;
}

.section--dark .section-title,
.section--darker .section-title {
  color: #f0f0f0;
}

.section--dark .section-lead,
.section--darker .section-lead {
  color: #888;
}

.section--dark .divider,
.section--darker .divider {
  background: #00e5ff;
}

/* Digital Service Cards */
.d-services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.d-service-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 44px 36px;
  transition: border-color 0.3s, background 0.3s, transform 0.3s;
}

.d-service-card:hover {
  border-color: rgba(0,229,255,0.3);
  background: rgba(0,229,255,0.03);
  transform: translateY(-4px);
}

.d-service-card__num {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: #00e5ff;
  margin-bottom: 16px;
}

.d-service-card__title {
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  font-weight: 700;
  color: #f0f0f0;
  line-height: 1.5;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.d-service-card__text {
  font-size: 0.85rem;
  color: #888;
  line-height: 1.9;
}

/* Digital Lab Cards */
.d-lab__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.d-lab__card {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 40px 28px;
  text-align: center;
  transition: border-color 0.3s, background 0.3s, transform 0.3s;
}

.d-lab__card:hover {
  border-color: rgba(0,229,255,0.2);
  background: rgba(0,229,255,0.02);
  transform: translateY(-4px);
}

.d-lab__card-icon {
  margin-bottom: 20px;
  color: #555;
}

.d-lab__card-title {
  font-size: clamp(0.9rem, 2vw, 1rem);
  font-weight: 700;
  color: #ccc;
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}

.d-lab__card-desc {
  font-size: 0.82rem;
  color: #666;
  line-height: 1.8;
  margin-bottom: 20px;
}

.d-lab__card-badge {
  display: inline-block;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #00e5ff;
  border: 1px solid rgba(0,229,255,0.25);
  border-radius: 20px;
  padding: 4px 14px;
  text-transform: uppercase;
}

/* ============================================
   CONTACT
   ============================================ */
/* Contact 2カラムレイアウト */
.contact-layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 56px;
  align-items: start;
}

.contact-sidebar {
  position: sticky;
  top: 120px;
}

.contact-sidebar__image {
  border-radius: 20px;
  overflow: hidden;
  margin-bottom: 28px;
  line-height: 0;
}

.contact-sidebar__image img {
  width: 100%;
  height: auto;
  display: block;
}

.contact-sidebar__title {
  font-family: 'Space Grotesk', 'Noto Sans JP', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: #1a1a1a;
  line-height: 1.7;
  margin-bottom: 12px;
  transition: color 0.6s;
}

.contact-sidebar__text {
  font-size: 0.85rem;
  color: #888;
  line-height: 2;
  margin-bottom: 24px;
  transition: color 0.6s;
}

.contact-sidebar__points {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-sidebar__point {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  font-weight: 500;
  color: #1a1a1a;
  transition: color 0.6s;
}

.contact-sidebar__point svg {
  flex-shrink: 0;
  color: #1a1a1a;
  transition: color 0.6s;
}

.contact-main {
  min-width: 0;
}

.contact-tabs {
  display: flex;
  justify-content: center;
  gap: 0;
  margin: 0 0 40px;
  border-bottom: 1px solid #e5e5e3;
  transition: border-color 0.6s ease;
}

.contact-tabs__btn {
  flex: 1;
  padding: 16px 12px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  color: #999;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: color 0.3s, border-color 0.3s;
  white-space: nowrap;
}

.contact-tabs__btn:hover {
  color: #555;
}

.contact-tabs__btn.is-active {
  color: #1a1a1a;
  border-bottom-color: #1a1a1a;
}

.contact-panel {
  display: none;
}

.contact-panel.is-active {
  display: block;
}

.contact-form {
  max-width: none;
  margin: 0;
}

.form-group {
  margin-bottom: 28px;
}

.form-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 500;
  color: #333;
  margin-bottom: 10px;
  transition: color 0.6s ease;
}

.form-label__required {
  font-size: 0.6rem;
  font-weight: 700;
  color: #fff;
  background: #1a1a1a;
  padding: 2px 8px;
  border-radius: 2px;
  letter-spacing: 0.1em;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 16px 18px;
  border: 1px solid #e0e0de;
  border-radius: 12px;
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: 0.9rem;
  color: #333;
  background: #fff;
  transition: border-color 0.3s, background 0.6s, color 0.6s;
  -webkit-appearance: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: #1a1a1a;
}

.form-textarea {
  height: 160px;
  resize: vertical;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23999' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-top: 40px;
}

.btn-submit {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #1a1a1a;
  color: #fff;
  padding: 16px 56px;
  border-radius: 60px;
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  border: none;
  cursor: pointer;
  transition: background 0.3s, transform 0.2s;
  position: relative;
  overflow: hidden;
}

.btn-submit::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.12), transparent);
  transition: none;
}

.btn-submit:hover::after {
  left: 120%;
  transition: left 0.6s ease;
}

.btn-submit:hover {
  background: #333;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-submit__sending {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.form-thanks {
  text-align: center;
  padding: 60px 20px;
}
.form-thanks__icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  background: #1a1a1a;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.form-thanks__icon svg {
  width: 36px;
  height: 36px;
  stroke: #fff;
}
.form-thanks__title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: #1a1a1a;
}
.form-thanks__text {
  font-size: 0.9rem;
  line-height: 1.9;
  color: #666;
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: #1a1a1a;
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s, transform 0.2s, background 0.3s;
  z-index: 900;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-2px);
  background: #333;
}

.back-to-top svg {
  width: 18px;
  height: 18px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: #1a1a1a;
  color: #999;
  padding: 80px 0 48px;
  transition: background 0.6s ease;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 48px;
  margin-bottom: 56px;
}

.footer__brand {
  flex-shrink: 0;
}

.footer__logo-img {
  height: 36px;
  width: auto;
  filter: brightness(0) invert(1);
  display: block;
  margin-bottom: 8px;
}

.footer__tagline {
  font-size: 0.72rem;
  color: #666;
  letter-spacing: 0.06em;
}

.footer__sublogo-img {
  height: 16px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.85;
  display: block;
  margin-top: 6px;
  margin-left: 12px;
}

.footer__nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer__nav a {
  font-size: 0.75rem;
  color: #888;
  letter-spacing: 0.06em;
  transition: color 0.3s;
}

.footer__nav a:hover {
  color: #fff;
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__copy {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: #666;
}

.footer__social {
  display: flex;
  gap: 16px;
}

.footer__social a {
  color: #666;
  transition: color 0.3s;
}

.footer__social a:hover {
  color: #fff;
}

/* ============================================
   DIGITAL MODE OVERRIDES
   ============================================ */
[data-mode="digital"] body,
body[data-mode="digital"] {
  background: #0a0e14;
  color: #ccc;
}

/* Header */
[data-mode="digital"] .header.is-scrolled {
  background: rgba(10, 14, 20, 0.96);
  border-bottom-color: #1e2430;
  box-shadow: 0 1px 12px rgba(0,0,0,0.3);
}

/* DIGITALモードではスクロール時もロゴは白のまま */
[data-mode="digital"] .header.is-scrolled .header__logo-img--digital {
  filter: brightness(0) invert(1);
}

[data-mode="digital"] .header.is-scrolled .header__nav a {
  color: #888;
}

[data-mode="digital"] .header.is-scrolled .header__nav a:hover,
[data-mode="digital"] .header.is-scrolled .header__nav a.is-active {
  color: #f0f0f0;
}

[data-mode="digital"] .header.is-scrolled .header__nav a::after {
  background: #00e5ff;
}

[data-mode="digital"] .header.is-scrolled .header__hamburger span {
  background: #f0f0f0;
}

[data-mode="digital"] .header__hamburger.is-open span {
  background: #f0f0f0;
}

[data-mode="digital"] .header.is-scrolled .mode-toggle__track {
  background: rgba(0,229,255,0.1);
  border-color: rgba(0,229,255,0.2);
}

[data-mode="digital"] .header.is-scrolled .mode-toggle__label {
  color: #555;
}

[data-mode="digital"] .header.is-scrolled .mode-toggle__label.is-active {
  color: #00e5ff;
}

/* Digital header contact btn */
[data-mode="digital"] .header__contact-btn {
  background: #00e5ff;
  color: #0a0e14;
}

[data-mode="digital"] .header__contact-btn:hover {
  background: #18ffff;
  box-shadow: 0 4px 16px rgba(0,229,255,0.3);
}

/* About */
[data-mode="digital"] #about {
  background: #0d1117;
}

[data-mode="digital"] .section-title {
  color: #f0f0f0;
}

[data-mode="digital"] .section-label {
  color: #00e5ff;
}

[data-mode="digital"] .section-lead {
  color: #888;
}

[data-mode="digital"] .divider {
  background: #00e5ff;
}

[data-mode="digital"] .about__philosophy {
  border-color: #1e2430;
}

[data-mode="digital"] .about__philosophy-text {
  color: #888;
}

[data-mode="digital"] .about__philosophy-brand {
  color: #ccc;
}

[data-mode="digital"] .about__philosophy-brand strong {
  color: #00e5ff;
}

[data-mode="digital"] .about__text p {
  color: #888;
}

[data-mode="digital"] .about__image-placeholder {
  background: #161b22;
}

/* Contact */
[data-mode="digital"] #contact {
  background: #0d1117;
}

/* Contact sidebar - digital */
[data-mode="digital"] .contact-sidebar__title {
  color: #f0f0f0;
}

[data-mode="digital"] .contact-sidebar__text {
  color: #666;
}

[data-mode="digital"] .contact-sidebar__point {
  color: #ccc;
}

[data-mode="digital"] .contact-sidebar__point svg {
  color: #00e5ff;
}

[data-mode="digital"] .contact-tabs {
  border-bottom-color: #1e2430;
}

[data-mode="digital"] .contact-tabs__btn {
  color: #666;
}

[data-mode="digital"] .contact-tabs__btn:hover {
  color: #aaa;
}

[data-mode="digital"] .contact-tabs__btn.is-active {
  color: #f0f0f0;
  border-bottom-color: #00e5ff;
}

[data-mode="digital"] .form-label {
  color: #ccc;
}

[data-mode="digital"] .form-label__required {
  background: #00e5ff;
  color: #0a0e14;
}

[data-mode="digital"] .form-input,
[data-mode="digital"] .form-textarea,
[data-mode="digital"] .form-select {
  background: #161b22;
  border-color: #1e2430;
  color: #ddd;
}

[data-mode="digital"] .form-input:focus,
[data-mode="digital"] .form-textarea:focus,
[data-mode="digital"] .form-select:focus {
  border-color: #00e5ff;
}

[data-mode="digital"] .btn-submit {
  background: #00e5ff;
  color: #0a0e14;
}

[data-mode="digital"] .btn-submit:hover {
  background: #00b8d4;
}

/* Plan cards - digital */
[data-mode="digital"] .plan-card__icon {
  background: #161b22;
  color: #00e5ff;
}

[data-mode="digital"] .plan-card--featured .plan-card__icon {
  background: #00e5ff;
  color: #0a0e14;
}

[data-mode="digital"] .plan-card__price-num {
  color: #f0f0f0;
}

[data-mode="digital"] .plan-card__feature {
  color: #ccc;
}

[data-mode="digital"] .plan-card__feature svg {
  color: #00e5ff;
}

[data-mode="digital"] .plan-card__feature--disabled {
  color: #444;
}

[data-mode="digital"] .plan-card__feature--disabled svg {
  color: #444;
}

[data-mode="digital"] .plans__note {
  color: #555;
}

/* Mobile nav */
[data-mode="digital"] .mobile-nav {
  background: rgba(10, 14, 20, 0.98);
}

[data-mode="digital"] .mobile-nav a {
  color: #ccc;
  border-bottom-color: rgba(255,255,255,0.08);
}

[data-mode="digital"] .mobile-nav a:hover {
  color: #00e5ff;
  opacity: 1;
}

[data-mode="digital"] .mode-toggle--mobile .mode-toggle__track {
  background: rgba(0,229,255,0.1);
  border-color: rgba(0,229,255,0.2);
}

[data-mode="digital"] .mode-toggle--mobile .mode-toggle__label {
  color: #555;
}

[data-mode="digital"] .mode-toggle--mobile .mode-toggle__label.is-active {
  color: #00e5ff;
}

/* Back to top */
[data-mode="digital"] .back-to-top {
  background: #00e5ff;
  color: #0a0e14;
}

[data-mode="digital"] .back-to-top:hover {
  background: #00b8d4;
}

/* Footer */
[data-mode="digital"] .footer {
  background: #060809;
}

/* ============================================
   RESPONSIVE - Tablet (max-width: 960px)
   ============================================ */
@media (max-width: 960px) {
  .header__nav {
    display: none;
  }

  .mode-toggle:not(.mode-toggle--mobile) {
    display: none;
  }

  .header__hamburger {
    display: flex;
  }

  .about__layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about__visual {
    order: -1;
  }

  .about__image {
    max-width: 100%;
  }

  /* Feature rows: stack vertically on tablet */
  .feature-row,
  .feature-row--reverse {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .feature-row--reverse .feature-row__image {
    order: 0;
  }

  .feature-row--reverse .feature-row__body {
    order: 0;
  }

  .feature-row__image {
    min-height: 400px;
  }

  .feature-row__body {
    padding: 60px 40px;
  }

  /* Results grid: 2 columns on tablet */
  .results-grid {
    grid-template-columns: repeat(2, 1fr);
    padding: 0 30px;
  }

  /* Image break: reduce height on tablet */
  .image-break {
    height: 40vh;
    min-height: 280px;
  }

  .image-break__bg {
    background-attachment: scroll;
  }

  .header__contact-btn {
    display: none;
  }

  /* Flow: 3col → 2col (タブレット) */
  .flow-timeline {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .usecases__grid {
    grid-template-columns: 1fr 1fr;
  }

  .plans__grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .d-services__grid {
    grid-template-columns: 1fr;
  }

  .d-lab__grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contact-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    align-items: center;
  }

  .contact-sidebar__image {
    margin-bottom: 0;
  }

  .footer__inner {
    flex-direction: column;
    gap: 32px;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

/* ============================================
   RESPONSIVE - Mobile (max-width: 600px)
   ============================================ */
@media (max-width: 600px) {
  .section {
    padding: 100px 0;
  }

  .section--features {
    padding: 100px 0 0;
  }

  .section--dark,
  .section--darker {
    padding: 100px 0;
  }

  .hero {
    min-height: 90dvh;
    padding: 100px 0 120px;
  }

  .hero__content {
    padding: 0 20px;
  }

  .hero__scroll {
    bottom: 24px;
  }

  .hero__scroll::after {
    height: 28px;
  }

  .header__inner {
    padding: 0 20px;
    height: 60px;
  }

  .header__logo-img {
    height: 32px;
  }

  .container {
    padding: 0 20px;
  }

  .container--narrow {
    padding: 0 20px;
  }

  .about__image {
    max-width: 100%;
  }

  /* Feature rows: smaller on mobile */
  .feature-row__image {
    min-height: 300px;
  }

  .feature-row__body {
    padding: 48px 24px;
  }

  .feature-row__title {
    font-size: 1.5rem;
  }

  /* Results grid: 1 column on mobile */
  .results-grid {
    grid-template-columns: 1fr;
    padding: 0 30px;
  }

  .result-card__body {
    padding: 20px 20px 24px;
  }

  /* Image break mobile */
  .image-break {
    height: 35vh;
    min-height: 240px;
  }

  .image-break__text {
    font-size: 1.1rem;
  }

  .usecases__grid {
    grid-template-columns: 1fr;
  }

  .contact-sidebar {
    grid-template-columns: 1fr;
  }

  .contact-sidebar__image {
    max-width: 280px;
    margin: 0 auto;
  }

  .contact-sidebar__info {
    text-align: center;
  }

  .contact-sidebar__points {
    align-items: center;
  }

  /* Flow: 1col (モバイル) */
  .flow-timeline {
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 480px;
    margin: 0 auto 40px;
  }

  .flow-card__body {
    padding: 16px 20px 24px;
  }

  .flow-card__header {
    padding: 20px 20px 0;
  }

  .flow-cta {
    padding: 28px 20px;
  }

  .flow-cta__btn {
    display: block;
    text-align: center;
  }

  .d-service-card {
    padding: 32px 24px;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
  }

  .hero__cta {
    padding: 16px 40px;
    font-size: 0.85rem;
  }

  .mobile-nav {
    padding-top: 80px;
  }

  .mobile-nav a {
    font-size: 1rem;
    padding: 14px 0;
  }

  /* Hide <br> on mobile for natural text flow */
  .hero__lead br,
  .about__philosophy-text br,
  .about__philosophy-brand br,
  .section-lead br,
  .result-card__title br {
    display: none;
  }

  /* Reduce CTA band digital padding on mobile */
  .cta-band--digital {
    padding: 80px 20px;
  }

  /* Improve small text readability on mobile */
  .section-lead {
    font-size: 0.88rem;
  }

  .about__philosophy-text {
    font-size: 0.88rem;
  }

  .d-service-card__text {
    font-size: 0.82rem;
  }

  .flow-card__text {
    font-size: 0.78rem;
  }
}

/* ============================================
   CONFIRM MODAL（送信前確認）
   ============================================ */
.confirm-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.2s ease;
}
.confirm-modal.is-open {
  display: flex;
  opacity: 1;
}
.confirm-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 15, 20, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  cursor: pointer;
}
.confirm-modal__dialog {
  position: relative;
  background: #fff;
  border-radius: 16px;
  max-width: 560px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 40px 36px 32px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.25);
  transform: translateY(8px);
  animation: modalFadeIn 0.25s ease forwards;
}
@keyframes modalFadeIn {
  to { transform: translateY(0); }
}
.confirm-modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  color: #888;
  cursor: pointer;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, color 0.2s;
}
.confirm-modal__close:hover {
  background: #f3f3f3;
  color: #1a1a1a;
}
.confirm-modal__title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}
.confirm-modal__lead {
  font-size: 0.88rem;
  color: #666;
  margin-bottom: 28px;
}
.confirm-modal__list {
  margin: 0 0 28px;
  border-top: 1px solid #eee;
}
.confirm-modal__term {
  font-size: 0.74rem;
  font-weight: 600;
  color: #888;
  letter-spacing: 0.05em;
  margin: 0;
  padding: 16px 0 4px;
  border-top: none;
}
.confirm-modal__list .confirm-modal__term:first-child {
  padding-top: 16px;
}
.confirm-modal__desc {
  font-size: 0.95rem;
  color: #1a1a1a;
  margin: 0 0 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid #f0f0f0;
  line-height: 1.6;
  word-break: break-word;
  white-space: pre-wrap;
}
.confirm-modal__actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}
.confirm-modal__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 60px;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}
.confirm-modal__btn--ghost {
  background: #f3f3f3;
  color: #555;
}
.confirm-modal__btn--ghost:hover {
  background: #e8e8e8;
  color: #1a1a1a;
}
.confirm-modal__btn--primary {
  background: #1a1a1a;
  color: #fff;
}
.confirm-modal__btn--primary:hover {
  background: #333;
  transform: translateY(-1px);
}

@media (max-width: 640px) {
  .confirm-modal__dialog {
    padding: 32px 24px 24px;
    border-radius: 12px;
  }
  .confirm-modal__title {
    font-size: 1.15rem;
  }
  .confirm-modal__actions {
    flex-direction: column-reverse;
  }
  .confirm-modal__btn {
    width: 100%;
    justify-content: center;
  }
}