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

:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #dbeafe;
  --color-accent: #f59e0b; /* pricing boost gradient etc. */
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-dark: #0f172a;
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --color-text-inverse: #ffffff;
  --color-border: #e2e8f0;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 4px 12px rgba(0,0,0,.06);
  --shadow-lg: 0 4px 12px rgba(0,0,0,.1), 0 12px 32px rgba(0,0,0,.1);
  --transition: .25s ease;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--color-text);
  line-height: 1.8;
  font-size: 16px;
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-weight: 700;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn--sm { padding: 8px 20px; font-size: 14px; }
.btn--lg { padding: 16px 36px; font-size: 17px; }
.btn--block { width: 100%; }
.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}
.btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}
.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn--ghost {
  background: transparent;
  color: var(--color-text);
  padding: 8px 16px;
  font-size: 14px;
}
.btn--ghost:hover { color: var(--color-primary); }
.btn--white {
  background: var(--color-text-inverse);
  color: var(--color-primary);
  border-color: var(--color-text-inverse);
}
.btn--white:hover {
  background: var(--color-primary-light);
}

/* ========== Header ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}
.header__inner {
  display: flex;
  align-items: center;
  height: 64px;
  gap: 32px;
}
.header__logo {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  line-height: 1.2;
}
.header__logo-main {
  font-size: 18px;
  font-weight: 900;
  color: var(--color-primary);
}
.header__logo-sub {
  font-size: 10px;
  font-weight: 600;
  color: var(--color-text-light);
  letter-spacing: .03em;
}
.header__nav {
  display: flex;
  gap: 28px;
  margin-left: auto;
}
.header__link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-light);
  transition: var(--transition);
}
.header__link:hover { color: var(--color-primary); }
.header__actions {
  display: flex;
  gap: 12px;
  align-items: center;
}
.header__nav-actions {
  display: none;
}
.header__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.header__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* Language Toggle */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  flex-shrink: 0;
  padding: 4px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.lang-toggle:hover {
  border-color: var(--color-primary);
}
.lang-toggle__icon {
  font-size: 14px;
  line-height: 1;
}
.lang-toggle__active {
  font-weight: 700;
  color: var(--color-primary);
}
.lang-toggle__sep {
  color: var(--color-border);
  font-weight: 400;
  user-select: none;
}
.lang-toggle__inactive {
  font-weight: 400;
  color: var(--color-text-light);
  transition: var(--transition);
}
.lang-toggle:hover .lang-toggle__inactive {
  color: var(--color-primary);
}

/* ========== Hero ========== */
.hero {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, #ffffff 60%);
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero__title {
  font-size: 42px;
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -.02em;
}
.hero__accent {
  color: var(--color-primary);
}
.hero__subtitle {
  margin-top: 20px;
  font-size: 17px;
  color: var(--color-text-light);
  line-height: 1.9;
}
.hero__cta {
  margin-top: 36px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Hero Mockup */
.hero__mockup {
  display: flex;
  align-items: center;
  gap: 20px;
  justify-content: center;
}

/* --- Phone --- */
.mockup-phone {
  width: 150px;
  height: 290px;
  border: 4px solid #1e293b;
  border-radius: 32px;
  background: #111;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,.1) inset;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}
.mockup-phone__notch {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 18px;
  background: #1e293b;
  border-radius: 0 0 14px 14px;
  z-index: 2;
}
.mockup-phone__screen {
  width: 100%;
  height: 100%;
  background: #1a1a2e;
  border-radius: 28px;
  overflow: hidden;
}

/* --- Camera UI --- */
.mockup-camera {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.mockup-camera__viewfinder {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px 12px 8px;
  overflow: hidden;
}

/* Receipt inside viewfinder */
.mockup-receipt {
  background: #fff;
  border-radius: 4px;
  padding: 12px 10px;
  width: 100%;
  font-family: 'Courier New', monospace;
  font-size: 9px;
  color: #333;
  box-shadow: 0 2px 8px rgba(0,0,0,.3);
  position: relative;
  z-index: 1;
}
.mockup-receipt__store {
  text-align: center;
  font-weight: 700;
  font-size: 11px;
  margin-bottom: 4px;
}
.mockup-receipt__divider {
  text-align: center;
  color: #aaa;
  font-size: 7px;
  margin: 3px 0;
  letter-spacing: 1px;
}
.mockup-receipt__line {
  display: flex;
  justify-content: space-between;
  padding: 1px 0;
}
.mockup-receipt__total {
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  font-size: 10px;
  padding: 2px 0;
}
.mockup-receipt__date {
  text-align: center;
  font-size: 7px;
  color: #999;
  margin-top: 4px;
}

/* Scan line animation */
.mockup-camera__scanline {
  position: absolute;
  left: 12px;
  right: 12px;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--color-primary) 30%, #60a5fa 70%, transparent 100%);
  opacity: .8;
  z-index: 3;
  animation: scanline 2.5s ease-in-out infinite;
  border-radius: 1px;
  box-shadow: 0 0 8px rgba(37, 99, 235, .5);
}
@keyframes scanline {
  0%, 100% { top: 32px; }
  50% { top: calc(100% - 12px); }
}

/* Focus corners */
.mockup-camera__corners {
  position: absolute;
  top: 24px;
  left: 8px;
  right: 8px;
  bottom: 4px;
  z-index: 2;
  pointer-events: none;
}
.corner {
  position: absolute;
  width: 16px;
  height: 16px;
  border-color: #60a5fa;
  border-style: solid;
  border-width: 0;
}
.corner--tl { top: 0; left: 0; border-top-width: 2px; border-left-width: 2px; border-radius: 4px 0 0 0; }
.corner--tr { top: 0; right: 0; border-top-width: 2px; border-right-width: 2px; border-radius: 0 4px 0 0; }
.corner--bl { bottom: 0; left: 0; border-bottom-width: 2px; border-left-width: 2px; border-radius: 0 0 0 4px; }
.corner--br { bottom: 0; right: 0; border-bottom-width: 2px; border-right-width: 2px; border-radius: 0 0 4px 0; }

/* Shutter */
.mockup-camera__controls {
  padding: 8px 0 14px;
  display: flex;
  justify-content: center;
}
.mockup-camera__shutter {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 3px solid #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.mockup-camera__shutter-inner {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #fff;
  transition: var(--transition);
}

/* --- Arrow --- */
.mockup-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.mockup-arrow svg {
  animation: arrow-pulse 2s ease-in-out infinite;
}
@keyframes arrow-pulse {
  0%, 100% { opacity: .5; transform: translateX(0); }
  50% { opacity: 1; transform: translateX(4px); }
}
.mockup-arrow__label {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 2px 10px;
  border-radius: 10px;
}

/* --- PC Window Mockup --- */
.mockup-pc {
  background: #fff;
  border-radius: 10px;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(0,0,0,.06);
  min-width: 340px;
  max-width: 480px;
  flex-shrink: 0;
  overflow: hidden;
  font-size: 12px;
}
.mockup-pc__titlebar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  background: #f1f5f9;
  border-bottom: 1px solid var(--color-border);
}
.mockup-pc__dots {
  display: flex;
  gap: 5px;
}
.mockup-pc__dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: block;
}
.mockup-pc__dots span:nth-child(1) { background: #ef4444; }
.mockup-pc__dots span:nth-child(2) { background: #eab308; }
.mockup-pc__dots span:nth-child(3) { background: #22c55e; }
.mockup-pc__title {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-light);
}
.mockup-pc__body {
  padding: 16px;
}
.mockup-pc__doc-info {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.mockup-pc__badge {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
}
.mockup-pc__filename {
  font-size: 11px;
  color: var(--color-text-light);
}
.mockup-pc__fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 16px;
  margin-bottom: 14px;
}
.mockup-pc__field {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  padding: 4px 0;
  border-bottom: 1px solid var(--color-border);
}
.mockup-pc__field span:first-child {
  color: var(--color-text-light);
  font-size: 10px;
}
.mockup-pc__field span:last-child {
  font-weight: 600;
}
.mockup-pc__section-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 6px;
}
.mockup-pc__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 10px;
  margin-bottom: 14px;
}
.mockup-pc__table th {
  text-align: left;
  font-size: 9px;
  font-weight: 700;
  color: var(--color-text-light);
  padding: 4px 5px;
  border-bottom: 2px solid var(--color-border);
  white-space: nowrap;
}
.mockup-pc__table td {
  padding: 4px 5px;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
.mockup-pc__table tbody tr:last-child td {
  border-bottom: none;
}
.td--accent {
  color: var(--color-primary);
  font-weight: 600;
}
.mockup-pc__actions {
  text-align: right;
}
.mockup-pc__btn {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 6px;
  cursor: default;
}
.mockup-pc__btn--confirm {
  background: #16a34a;
  color: #fff;
}

/* ========== Section Titles ========== */
.section-title {
  text-align: center;
  font-size: 32px;
  font-weight: 900;
  margin-bottom: 12px;
  letter-spacing: -.01em;
}
.section-subtitle {
  text-align: center;
  color: var(--color-text-light);
  font-size: 16px;
  margin-bottom: 48px;
}

/* ========== Problems ========== */
.problems {
  padding: 80px 0;
  background: var(--color-bg-alt);
}
.problems__inner {
  display: flex;
  flex-direction: column;
}
.problems__body {
  display: flex;
  gap: 48px;
  align-items: stretch;
}
.problems__body .problems__list {
  flex: 1;
}
.problems__body .problems__visual {
  flex: 1;
  position: relative;
  min-height: 280px;
}
.problems__img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  object-fit: cover;
}
.problems__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.problem-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  padding: 16px;
  text-align: left;
  box-shadow: var(--shadow);
}
.problem-card__icon {
  font-size: 24px;
  flex-shrink: 0;
  line-height: 1;
}
.problem-card__text h3 {
  font-size: 15px;
  margin-bottom: 2px;
}
.problem-card__text p {
  font-size: 12px;
  color: var(--color-text-light);
  line-height: 1.5;
}

/* ========== Features ========== */
.features {
  padding: 80px 0;
  background: var(--color-bg);
}
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}
.feature-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 40px 24px;
  transition: var(--transition);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.feature-card__icon {
  margin-bottom: 20px;
}
.feature-card__icon img {
  width: 120px;
  height: 120px;
  object-fit: contain;
}
.feature-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ========== Customization ========== */
.customization {
  padding: 80px 0;
  background: var(--color-bg-alt);
}
.custom__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 48px;
}
.custom-item {
  display: flex;
  gap: 20px;
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.custom-item__icon {
  font-size: 36px;
  flex-shrink: 0;
}
.custom-item__body h3 {
  font-size: 18px;
  margin-bottom: 8px;
}
.custom-item__body p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ========== Team ========== */
.team {
  padding: 80px 0;
  background: var(--color-bg);
}
.team__visual {
  margin-top: 48px;
}
.team__flow {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.team__step {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  min-width: 160px;
  flex: 1;
  max-width: 200px;
  transition: var(--transition);
}
.team__step:hover {
  box-shadow: var(--shadow-lg);
}
.team__step-icon {
  font-size: 36px;
  margin-bottom: 8px;
}
.team__step-role {
  font-weight: 700;
  font-size: 16px;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.team__step p {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ========== Use Cases ========== */
.usecases {
  padding: 80px 0;
  background: var(--color-bg-alt);
}
.usecases__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 48px;
}
.usecase-card {
  background: var(--color-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.usecase-card__img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.usecase-card__content {
  padding: 24px 28px;
  flex: 1;
}
.usecase-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}
.usecase-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ========== Extras ========== */
.extras {
  padding: 80px 0;
  background: var(--color-bg);
}
.extras__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.extra-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  padding: 20px;
  font-size: 15px;
  font-weight: 500;
}
.extra-item__icon {
  font-size: 24px;
  flex-shrink: 0;
}

/* ========== Pricing ========== */
.pricing {
  padding: 80px 0;
  background: var(--color-bg-alt);
}
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 720px;
  margin: 48px auto 0;
}
.pricing-card {
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  border: 2px solid var(--color-border);
  position: relative;
  display: flex;
  flex-direction: column;
}
.pricing-card--featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}
.pricing-card__badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
}
.pricing-card__name {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 16px;
}
.pricing-card__boost {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-accent), #f97316);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.pricing-card__boost--coming {
  background: linear-gradient(135deg, var(--color-primary), #6366f1);
}
.pricing-card__price {
  margin-bottom: 28px;
}
.pricing-card__amount {
  font-size: 36px;
  font-weight: 900;
}
.pricing-card__features {
  text-align: left;
  margin-bottom: 32px;
  flex: 1;
}
.pricing-card__features li {
  padding: 6px 0;
  font-size: 14px;
  color: var(--color-text-light);
}
.pricing-card__features li::before {
  content: '\2713';
  color: var(--color-primary);
  font-weight: 700;
  margin-right: 8px;
}

/* ========== Final CTA ========== */
.cta-final {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-text-inverse);
}
.cta-final__inner {
  text-align: center;
}
.cta-final__inner h2 {
  font-size: 36px;
  font-weight: 900;
  margin-bottom: 16px;
}
.cta-final__inner p {
  font-size: 17px;
  opacity: .9;
  margin-bottom: 36px;
  line-height: 1.9;
}

/* ========== Footer ========== */
.footer {
  padding: 36px 0;
  background: var(--color-bg-dark);
  color: var(--color-text-inverse);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer__brand {
  font-size: 16px;
  font-weight: 700;
}
.footer__links {
  display: flex;
  gap: 24px;
  font-size: 14px;
}
.footer__links a { opacity: .7; transition: var(--transition); }
.footer__links a:hover { opacity: 1; }
.footer__copy {
  font-size: 12px;
  opacity: .5;
}

/* ========== Steps ========== */
.steps {
  padding: 80px 0;
  background: var(--color-bg);
}
.steps__grid {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 24px;
  margin-top: 48px;
}
.step-card {
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  flex: 1;
  max-width: 280px;
  position: relative;
  transition: var(--transition);
}
.step-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}
.step-card__number {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 16px;
}
.step-card__img {
  width: 140px;
  height: 140px;
  object-fit: contain;
  margin: 0 auto 16px;
  display: block;
}
.step-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}
.step-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}
.step-card__arrow {
  font-size: 32px;
  color: var(--color-primary);
  align-self: center;
  margin-top: 28px;
  flex-shrink: 0;
}

/* ========== Stats ========== */
.stats {
  padding: 60px 0;
  background: var(--color-bg-dark);
  color: var(--color-text-inverse);
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-item__number {
  font-size: 48px;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 8px;
}
.stat-item__unit {
  font-size: 28px;
}
.stat-item__label {
  font-size: 14px;
  opacity: .8;
}

/* ========== Comparison ========== */
.comparison {
  padding: 80px 0;
  background: var(--color-bg-alt);
}
.comparison__table {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-top: 48px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.comparison__col {
  padding: 0;
}
.comparison__header {
  padding: 20px 28px;
  font-size: 20px;
  font-weight: 900;
  text-align: center;
  letter-spacing: .04em;
}
.comparison__header--before {
  background: #fef2f2;
  color: #dc2626;
}
.comparison__header--after {
  background: #f0fdf4;
  color: #16a34a;
}
.comparison__item {
  padding: 16px 28px;
  font-size: 15px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--color-bg);
}
.comparison__col--before .comparison__item {
  color: var(--color-text-light);
}
.comparison__x {
  color: #dc2626;
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
}
.comparison__check {
  color: #16a34a;
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
}

/* ========== Contact Form ========== */
.contact {
  padding: 80px 0;
  background: var(--color-bg-alt);
}
.contact-form {
  max-width: 640px;
  margin: 48px auto 0;
}
.contact-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.contact-form__field {
  margin-bottom: 20px;
}
.contact-form__label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}
.contact-form__required {
  color: #dc2626;
}
.contact-form__input,
.contact-form__textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 15px;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  transition: var(--transition);
  outline: none;
}
.contact-form__input:focus,
.contact-form__textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}
.contact-form__textarea {
  resize: vertical;
  min-height: 120px;
}
.contact-form__footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-top: 4px;
}
.contact-form__submit {
  padding: 10px 32px;
  font-size: 15px;
}
.contact-form__submit:disabled {
  opacity: .6;
  cursor: not-allowed;
}
.contact-form__recaptcha-note {
  font-size: 11px;
  color: var(--color-text-light);
  line-height: 1.5;
  text-align: center;
}
.contact-form__recaptcha-note a {
  color: var(--color-primary);
  text-decoration: underline;
}
.contact-form__message {
  margin-top: 20px;
  padding: 0;
  font-size: 14px;
  line-height: 1.6;
  border-radius: var(--radius-sm);
  text-align: center;
}
.contact-form__message:empty {
  display: none;
}
.contact-form__message--success {
  padding: 16px;
  background: #f0fdf4;
  color: #16a34a;
  border: 1px solid #bbf7d0;
}
.contact-form__message--error {
  padding: 16px;
  background: #fef2f2;
  color: #dc2626;
  border: 1px solid #fecaca;
}

/* reCAPTCHA バッジを非表示（注記テキストで代替） */
.grecaptcha-badge {
  visibility: hidden !important;
}

@media (max-width: 640px) {
  .contact-form__row {
    grid-template-columns: 1fr;
  }
}

/* ========== FAQ ========== */
.faq {
  padding: 80px 0;
  background: var(--color-bg);
}
.faq__list {
  max-width: 760px;
  margin: 48px auto 0;
}
.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-item__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  transition: var(--transition);
}
.faq-item__q:hover {
  color: var(--color-primary);
}
.faq-item__q::-webkit-details-marker {
  display: none;
}
.faq-item__q::after {
  content: '+';
  font-size: 24px;
  font-weight: 400;
  color: var(--color-text-light);
  transition: var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-item[open] .faq-item__q::after {
  content: '\2212';
  color: var(--color-primary);
}
.faq-item__a {
  padding: 0 0 20px;
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* ========== Mobile Fixed CTA ========== */
.mobile-cta {
  display: none;
  transform: translateY(100%);
  opacity: 0;
  transition: transform .3s ease, opacity .3s ease;
}

/* ========== Animations ========== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== Responsive ========== */
@media (max-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero__cta { justify-content: center; }
  .hero__title { font-size: 32px; }
  .mockup-pc { min-width: 0; max-width: 100%; }
  .problems__body { flex-direction: column; }
  .problems__body .problems__visual { position: static; }
  .problems__img { position: static; height: auto; max-height: 300px; }
  .problems__inner .section-title { font-size: 26px; }
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .custom__grid { grid-template-columns: 1fr; }
  .usecases__grid { grid-template-columns: 1fr; }
  .extras__grid { grid-template-columns: repeat(2, 1fr); }
  .pricing__grid { grid-template-columns: 1fr; max-width: 400px; }
  .team__flow { flex-direction: column; align-items: center; }
  .team__step { max-width: 280px; width: 100%; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .comparison__table { grid-template-columns: 1fr; }
  .comparison__col--after { border-top: 2px solid var(--color-border); }
}

@media (max-width: 640px) {
  .header__nav { display: none; }
  .header__actions { display: none; }
  .header__inner { gap: 12px; }
  .lang-toggle { margin-left: auto; }
  .header__hamburger { display: flex; }

  /* Mobile menu dropdown */
  .header__nav.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow);
    z-index: 100;
  }
  .header__nav.is-open .header__nav-actions {
    display: flex;
    gap: 12px;
    padding-top: 8px;
    border-top: 1px solid var(--color-border);
  }
  .hero { padding: 120px 0 60px; }
  .hero__title { font-size: 28px; }
  .hero__mockup { flex-direction: column; }
  .mockup-arrow svg { transform: rotate(90deg); }
  .mockup-arrow__label { order: -1; }
  .mockup-pc { min-width: 0; max-width: 100%; }
  .section-title { font-size: 26px; }
  .features__grid { grid-template-columns: 1fr; }
  .extras__grid { grid-template-columns: 1fr; }
  .cta-final__inner h2 { font-size: 28px; }

  /* Steps responsive */
  .steps__grid { flex-direction: column; align-items: center; }
  .step-card { max-width: 100%; width: 100%; }
  .step-card__arrow { transform: rotate(90deg); margin-top: 0; }

  /* Stats responsive */
  .stats__grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .stat-item__number { font-size: 36px; }

  /* Mobile fixed CTA */
  .mobile-cta {
    display: block;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
    padding: 12px 16px;
    padding-bottom: calc(12px + env(safe-area-inset-bottom));
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -2px 12px rgba(0,0,0,.1);
  }

  /* フッターが隠れないようにbodyにパディング */
  .footer { padding-bottom: 80px; }
}