/* ============================================
   HOME — Hero
   ============================================ */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  /* subtle grid texture */
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  background-position: -1px -1px;
  opacity: 0.4;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(40px, 8vw, 100px);
  align-items: center;
  width: 100%;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  margin-bottom: 32px;
}

.hero-title {
  font-family: var(--ff-display);
  font-weight: 300;
  font-size: clamp(48px, 8vw, 112px);
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}
.hero-title .em {
  font-style: italic;
  font-weight: 400;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-title-jp {
  font-family: var(--ff-jp);
  font-size: clamp(14px, 1.4vw, 18px);
  letter-spacing: 0.16em;
  color: var(--fg-3);
  margin-bottom: 32px;
}

.hero-lead {
  font-family: var(--ff-jp);
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.9;
  color: var(--fg-2);
  max-width: 520px;
  margin-bottom: 40px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}
.patent-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--fg-4);
  margin-left: auto;
}
.patent-tag b {
  font-weight: 500;
  color: var(--fg-2);
}

/* HERO Visual */
.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-qr {
  width: 100%;
  max-width: 480px;
  height: auto;
  background: #ffffff;
  padding: 16px;
  border-radius: 8px;
  box-shadow:
    0 30px 80px rgba(255,61,110,0.25),
    0 8px 30px rgba(255,225,90,0.15),
    0 0 0 1px rgba(255,255,255,0.05);
  animation: floaty 7s ease-in-out infinite;
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
}
@keyframes floaty {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(-0.3deg); }
}

/* HERO badges floating around */
.hero-badge {
  position: absolute;
  padding: 8px 14px;
  background: var(--bg-card);
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--fg-2);
  white-space: nowrap;
  backdrop-filter: blur(8px);
}
.hero-badge::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 8px;
  vertical-align: 1px;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--accent); }
  50% { opacity: 0.6; box-shadow: 0 0 0 6px transparent; }
}
.hero-badge.b1 { top: 8%; right: -10%; }
.hero-badge.b2 { top: 38%; left: -16%; }
.hero-badge.b3 { bottom: 6%; right: -4%; }

/* HERO scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--fg-4);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.scroll-hint::after {
  content: '';
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, var(--fg-4) 0%, transparent 100%);
  animation: scrollDot 2.4s ease-in-out infinite;
}
@keyframes scrollDot {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 320px; margin: 0 auto 24px; }
  .hero-badge.b1, .hero-badge.b2, .hero-badge.b3 { display: none; }
  .patent-tag { margin-left: 0; flex-basis: 100%; }
}

/* ============================================
   Concept (What is QR Meiro)
   ============================================ */

.concept {
  border-top: 1px solid var(--line);
}
.concept-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(40px, 8vw, 120px);
  align-items: start;
}
.concept-num {
  font-family: var(--ff-display);
  font-style: italic;
  font-size: 80px;
  font-weight: 300;
  line-height: 1;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--ff-display);
  font-weight: 300;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.section-title .em { font-style: italic; }

.concept-body p {
  font-family: var(--ff-jp);
  font-size: 17px;
  line-height: 2;
  color: var(--fg-2);
  margin-bottom: 1.5em;
}
.concept-body p:first-child {
  font-size: 22px;
  color: var(--fg);
  font-weight: 500;
}

@media (max-width: 880px) {
  .concept-grid { grid-template-columns: 1fr; }
  .concept-num { font-size: 64px; }
}

/* ============================================
   Features
   ============================================ */

.features {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
}
.features-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 80px;
  flex-wrap: wrap;
  gap: 20px;
}
.features-head .section-title { margin-bottom: 0; max-width: 700px; }
.features-head p {
  font-family: var(--ff-jp);
  color: var(--fg-3);
  max-width: 360px;
  font-size: 15px;
  line-height: 2;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  padding: 40px;
  position: relative;
  transition: transform 0.5s ease, border-color 0.5s ease;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-2);
}
.feature-card:hover::before { transform: scaleX(1); }

.feature-num {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--fg-4);
  margin-bottom: 24px;
}
.feature-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 28px;
}
.feature-title {
  font-family: var(--ff-display);
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}
.feature-title-jp {
  font-family: var(--ff-jp);
  font-size: 14px;
  color: var(--fg-3);
  margin-bottom: 16px;
  letter-spacing: 0.06em;
}
.feature-card p {
  font-family: var(--ff-jp);
  font-size: 14px;
  line-height: 1.9;
  color: var(--fg-2);
}

@media (max-width: 880px) {
  .feature-grid { grid-template-columns: 1fr; gap: 16px; }
  .feature-card { padding: 32px; }
}

/* ============================================
   Use Case Marquee
   ============================================ */

.use-case-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 30px 0;
  overflow: hidden;
  background: var(--bg);
}
.marquee {
  display: flex;
  gap: 60px;
  animation: scroll-x 30s linear infinite;
  white-space: nowrap;
}
@keyframes scroll-x {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.marquee-item {
  font-family: var(--ff-display);
  font-style: italic;
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 300;
  color: var(--fg-3);
  display: flex;
  align-items: center;
  gap: 60px;
}
.marquee-item::after {
  content: '✦';
  font-style: normal;
  color: var(--accent);
  font-size: 0.4em;
}

/* ============================================
   Pricing
   ============================================ */

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(40px, 8vw, 100px);
  align-items: center;
}
.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--line-2);
  padding: 60px;
  position: relative;
}
.pricing-tag {
  position: absolute;
  top: 24px;
  right: 24px;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--accent);
  padding: 6px 12px;
  border: 1px solid var(--accent);
  border-radius: 999px;
}
.price {
  font-family: var(--ff-display);
  font-weight: 300;
  font-size: 96px;
  line-height: 1;
  letter-spacing: -0.04em;
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 16px;
}
.price .currency { font-size: 32px; color: var(--fg-3); }
.price .unit { font-size: 16px; color: var(--fg-3); font-family: var(--ff-jp); }
.pricing-label {
  font-family: var(--ff-jp);
  font-size: 14px;
  color: var(--fg-3);
  margin-bottom: 32px;
}
.pricing-list {
  list-style: none;
  margin-bottom: 32px;
}
.pricing-list li {
  padding: 14px 0;
  border-top: 1px solid var(--line);
  font-family: var(--ff-jp);
  font-size: 14px;
  color: var(--fg-2);
  display: flex;
  align-items: center;
  gap: 12px;
}
.pricing-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent);
  flex-shrink: 0;
}

@media (max-width: 880px) {
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card { padding: 36px 28px; }
  .price { font-size: 72px; }
}

/* ============================================
   Quishing Teaser (home)
   ============================================ */

.quishing-teaser {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
}
.qt-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: center;
}
.qt-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.qt-stat {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 32px;
  padding: 24px 28px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  align-items: center;
  transition: border-color 0.4s, transform 0.4s;
}
.qt-stat:hover {
  border-color: var(--accent);
  transform: translateX(6px);
}
.qt-num {
  font-family: var(--ff-display);
  font-weight: 300;
  font-size: clamp(40px, 5vw, 64px);
  line-height: 1;
  letter-spacing: -0.04em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  white-space: nowrap;
}
.qt-num span {
  font-size: 0.4em;
  font-family: var(--ff-jp);
  font-weight: 500;
  margin-left: 4px;
}
.qt-lab {
  font-family: var(--ff-jp);
  font-size: 13px;
  color: var(--fg-2);
  line-height: 1.7;
}
.qt-lab .src {
  display: block;
  font-family: var(--ff-mono);
  font-size: 10px;
  color: var(--fg-4);
  letter-spacing: 0.1em;
  margin-top: 6px;
}
@media (max-width: 880px) {
  .qt-grid { grid-template-columns: 1fr; }
  .qt-stat { padding: 20px 22px; gap: 20px; }
}