:root {
  --cream: #F4EFE2;
  --indigo: #142447;
  --turq: #0EA5A4;
  --coral: #E47A52;
  --mint: #B5D4C8;
  --paper: #FFFFFF;
  --graph: #4A5670;
  --pale: #D5DBE8;
  --forest: #4A6B52;
  --cream-trans: rgba(244, 239, 226, 0.88);
  --ind-trans: rgba(20, 36, 71, 0.18);
  --ind-soft: rgba(20, 36, 71, 0.05);
  --mint-soft: rgba(181, 212, 200, 0.32);
  --turq-soft: rgba(14, 165, 164, 0.06);
  --turq-glow: rgba(14, 165, 164, 0.32);
  --turq-mist: rgba(14, 165, 164, 0.24);
  --turq-faint: rgba(14, 165, 164, 0.12);
}

* { box-sizing: border-box; }

html {
  overflow-x: hidden;
}

header[role="banner"] {
  position: sticky;
  top: 0;
  z-index: 100;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--cream);
  color: var(--indigo);
  font-family: 'Inter Tight', 'Noto Sans JP', -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

strong, p { color: inherit; }

h1, h2, h3, h4, h5, h6 {
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  color: var(--indigo);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em 0;
  line-height: 1.15;
}

a { color: var(--indigo); text-decoration: none; transition: color 240ms ease; }
a:hover { color: var(--turq); }

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

.mono { font-family: 'IBM Plex Mono', 'Noto Sans Mono JP', monospace; letter-spacing: 0.04em; }
.jp-text { font-family: 'Noto Sans JP', 'Inter', sans-serif; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 28px; }
.text-center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }


.yuki-topstrip {
  background: var(--cream);
  border-bottom: 1px solid var(--ind-trans);
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 60;
}

.topstrip-id { display: flex; align-items: baseline; gap: 14px; }
.topstrip-domain { font-family: 'Inter', sans-serif; font-weight: 700; font-size: 11px; letter-spacing: 0.02em; color: var(--indigo); }
.topstrip-jp { font-family: 'Noto Sans JP', sans-serif; font-size: 9px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--indigo); opacity: 0.65; }
.topstrip-meta { font-family: 'IBM Plex Mono', monospace; font-size: 9px; text-transform: uppercase; letter-spacing: 0.18em; color: var(--indigo); opacity: 0.7; }

.yuki-mainnav {
  background: var(--cream-trans);
  border-bottom: 1px solid var(--ind-trans);
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 28px;
  z-index: 55;
  clip-path: polygon(0 0, 100% 0, calc(100% - 64px) 100%, 0 100%);
}

.yuki-brand { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.yuki-brand-icon { width: 48px; height: 48px; flex-shrink: 0; }
.yuki-brand-text .topstrip-domain { font-size: 19px; }
.yuki-brand-text .topstrip-jp { font-size: 11px; opacity: 0.7; }
.yuki-brand-text .accent { color: var(--turq); }

.yuki-nav-list { display: flex; align-items: center; list-style: none; margin: 0; padding: 0; margin-right: 28px; }
.yuki-nav-list li { display: flex; align-items: center; position: relative; }
.yuki-nav-list li + li::before { content: ""; display: inline-block; width: 1px; height: 14px; background: var(--ind-trans); margin: 0 18px; }

.yuki-nav-list a {
  font-family: 'Inter Tight', sans-serif;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--indigo);
  padding: 6px 4px;
  position: relative;
  transition: color 240ms ease, background 240ms ease;
}

.yuki-nav-list a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -2px;
  height: 2px;
  width: 0;
  background: var(--turq);
  transition: width 240ms cubic-bezier(0.16, 1, 0.3, 1), left 240ms cubic-bezier(0.16, 1, 0.3, 1);
}

.yuki-nav-list a:hover, .yuki-nav-list a.active {
  color: var(--turq);
  background: var(--turq-soft);
}

.yuki-nav-list a:hover::after, .yuki-nav-list a.active::after {
  width: 100%;
  left: 0;
}

.yuki-burger {
  display: none;
  background: transparent;
  border: none;
  padding: 8px;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
}

.yuki-burger span { display: block; width: 28px; height: 1.5px; background: var(--indigo); transition: transform 280ms ease, opacity 280ms ease; }
.yuki-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.yuki-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.yuki-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

.yuki-mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--cream);
  z-index: 100;
  clip-path: polygon(0 0, 0 0, 0 100%, 0 100%);
  transition: clip-path 480ms cubic-bezier(0.65, 0, 0.35, 1);
  overflow-y: auto;
  padding: 40px 28px;
}

.yuki-mobile-menu.is-open { clip-path: polygon(0 0, 200% 0, 200% 100%, 0 100%); }
.yuki-mobile-menu .mobile-brand { display: flex; align-items: center; gap: 14px; margin-bottom: 60px; }
.yuki-mobile-menu .mobile-nav-list { list-style: none; margin: 0; padding: 0; }
.yuki-mobile-menu .mobile-nav-list li { margin-bottom: 22px; opacity: 0; transform: translateY(20px); transition: opacity 340ms cubic-bezier(0.34, 1.56, 0.64, 1), transform 340ms cubic-bezier(0.34, 1.56, 0.64, 1); }
.yuki-mobile-menu.is-open .mobile-nav-list li { opacity: 1; transform: translateY(0); }
.yuki-mobile-menu.is-open .mobile-nav-list li:nth-child(1) { transition-delay: 120ms; }
.yuki-mobile-menu.is-open .mobile-nav-list li:nth-child(2) { transition-delay: 180ms; }
.yuki-mobile-menu.is-open .mobile-nav-list li:nth-child(3) { transition-delay: 240ms; }
.yuki-mobile-menu.is-open .mobile-nav-list li:nth-child(4) { transition-delay: 300ms; }
.yuki-mobile-menu.is-open .mobile-nav-list li:nth-child(5) { transition-delay: 360ms; }
.yuki-mobile-menu.is-open .mobile-nav-list li:nth-child(6) { transition-delay: 420ms; }
.yuki-mobile-menu.is-open .mobile-nav-list li:nth-child(7) { transition-delay: 480ms; }

.yuki-mobile-menu .mobile-nav-list a {
  font-family: 'Inter', sans-serif;
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--indigo);
  display: block;
  line-height: 1.4;
}

.yuki-mobile-menu .mobile-heading { font-family: 'Inter', sans-serif; font-size: 56px; font-weight: 800; color: var(--indigo); margin-bottom: 32px; letter-spacing: -0.02em; }
.yuki-mobile-close { position: absolute; top: 24px; right: 24px; background: transparent; border: none; font-size: 32px; color: var(--indigo); cursor: pointer; width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; }


.yuki-hero {
  position: relative;
  min-height: 100vh;
  background: var(--cream);
  overflow: hidden;
  padding: 60px 28px 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.yuki-hero-grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image: linear-gradient(to right, var(--ind-trans) 1px, transparent 1px), linear-gradient(to bottom, var(--ind-trans) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.12;
  pointer-events: none;
}

.yuki-hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.yuki-hero-marker {
  position: relative;
  z-index: 3;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--turq);
  margin-bottom: 28px;
}

.yuki-hero-title {
  position: relative;
  z-index: 4;
  margin: 0;
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-weight: 800;
  font-size: clamp(56px, 9vw, 168px);
  line-height: 0.94;
  color: var(--indigo);
  letter-spacing: -0.03em;
  width: 78%;
}

.yuki-hero-title .line { display: block; overflow: hidden; }
.yuki-hero-title .line > span { display: inline-block; transform: translateY(32px); opacity: 0; filter: blur(6px); animation: yukiHeroUp 720ms cubic-bezier(0.16, 1, 0.3, 1) forwards; }
.yuki-hero-title .line:nth-child(1) > span { animation-delay: 0ms; }
.yuki-hero-title .line:nth-child(2) > span { animation-delay: 90ms; }
.yuki-hero-title .line:nth-child(3) > span { animation-delay: 180ms; }
.yuki-hero-title .turq { color: var(--turq); font-family: 'Noto Sans JP', 'Inter', sans-serif; }

@keyframes yukiHeroUp {
  0% { transform: translateY(32px); opacity: 0; filter: blur(6px); }
  55% { filter: blur(0); }
  100% { transform: translateY(0); opacity: 1; filter: blur(0); }
}

.yuki-hero-divider { position: relative; z-index: 4; width: 240px; height: 1.5px; background: var(--indigo); margin: 36px 0 24px; transform: rotate(-2deg); }

.yuki-hero-sub {
  position: relative;
  z-index: 4;
  font-family: 'Inter Tight', sans-serif;
  font-style: italic;
  font-size: clamp(18px, 2vw, 22px);
  color: var(--graph);
  line-height: 1.5;
  max-width: 720px;
  margin: 0 0 28px;
}

.yuki-hero-tech {
  position: relative;
  z-index: 4;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--indigo);
  background: var(--ind-soft);
  border: 1px solid var(--ind-trans);
  padding: 14px 18px;
  display: inline-block;
  margin-bottom: 48px;
}

.yuki-hero-actions { position: relative; z-index: 5; display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }

.yuki-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--turq);
  color: var(--paper);
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.04em;
  padding: 18px 32px;
  border: none;
  border-radius: 4px;
  box-shadow: 4px 4px 0 0 var(--indigo);
  cursor: pointer;
  transition: transform 200ms ease, box-shadow 200ms ease;
  text-decoration: none;
  white-space: nowrap;
  min-height: 56px;
}

.yuki-cta:hover { transform: translate(4px, 4px); box-shadow: 0 0 0 0 var(--indigo); color: var(--paper); }
.yuki-cta--big { font-size: 16px; padding: 22px 36px; min-height: 64px; }

.yuki-pulse { display: inline-flex; align-items: center; gap: 8px; font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--indigo); letter-spacing: 0.06em; }
.yuki-pulse-dot { display: inline-block; width: 12px; height: 12px; border-radius: 50%; background: var(--coral); position: relative; flex-shrink: 0; }
.yuki-pulse-dot::after { content: ""; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 100%; height: 100%; border-radius: 50%; background: var(--coral); opacity: 0.4; animation: yukiPulse 1.6s ease-out infinite; }

@keyframes yukiPulse {
  0% { transform: translate(-50%, -50%) scale(1); opacity: 0.4; }
  100% { transform: translate(-50%, -50%) scale(3); opacity: 0; }
}

.yuki-live {
  position: absolute;
  top: 36px;
  right: 28px;
  z-index: 6;
  background: var(--cream-trans);
  border: 1.5px solid var(--ind-trans);
  border-radius: 4px;
  padding: 10px 14px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  color: var(--indigo);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.yuki-live-row { display: block; white-space: nowrap; }
.yuki-legend { position: absolute; right: 28px; bottom: 36px; z-index: 4; font-family: 'IBM Plex Mono', monospace; font-size: 10px; color: var(--indigo); opacity: 0.7; text-align: right; letter-spacing: 0.04em; }


.yuki-section { padding: 120px 28px; position: relative; overflow: hidden; }
.yuki-section--cream { background: var(--cream); color: var(--indigo); }
.yuki-section--white { background: var(--paper); color: var(--indigo); }

.yuki-section-head { display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 32px; margin-bottom: 80px; padding-bottom: 32px; border-bottom: 1.5px solid var(--indigo); }

.yuki-section-title { font-family: 'Inter', 'Noto Sans JP', sans-serif; font-size: clamp(40px, 5vw, 96px); font-weight: 800; letter-spacing: -0.02em; color: var(--indigo); margin: 0; line-height: 1; }
.yuki-section-title .jp { display: inline-block; margin-left: 16px; color: var(--turq); font-family: 'Noto Sans JP', sans-serif; }
.yuki-section-tag { font-family: 'Inter Tight', sans-serif; font-style: italic; font-size: clamp(16px, 1.6vw, 22px); color: var(--turq); max-width: 360px; }
.yuki-section-mono { font-family: 'IBM Plex Mono', monospace; font-size: 14px; color: var(--turq); letter-spacing: 0.06em; text-transform: uppercase; margin-top: 12px; }
.yuki-section-divider { width: 480px; max-width: 100%; height: 2px; background: var(--indigo); transform: rotate(-2deg); margin: 16px 0 24px; }


.yuki-editorial { background: var(--cream); padding: 120px 28px; position: relative; overflow: hidden; }
.yuki-editorial-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 32px; max-width: 1280px; margin: 0 auto; }
.yuki-editorial-col p { font-family: 'Inter Tight', sans-serif; font-size: 15px; line-height: 1.7; color: var(--indigo); margin: 0 0 16px; }

.yuki-data-card { background: var(--paper); border: 1.5px solid var(--ind-trans); border-radius: 4px; padding: 20px; font-family: 'IBM Plex Mono', monospace; font-size: 12px; line-height: 1.8; color: var(--indigo); }
.yuki-data-card .row { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px dashed var(--ind-trans); }
.yuki-data-card .row:last-child { border-bottom: none; }

.yuki-pullquote { font-family: 'Inter', sans-serif; font-style: italic; font-size: clamp(24px, 2.4vw, 36px); font-weight: 600; color: var(--turq); line-height: 1.4; letter-spacing: -0.01em; margin: 60px 0; grid-column: 1 / -1; max-width: 1000px; }

.yuki-certs { background: var(--mint-soft); border: 1px solid var(--ind-trans); border-radius: 4px; padding: 24px; font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--indigo); opacity: 0.85; line-height: 1.8; grid-column: 1 / -1; margin-top: 24px; }

.yuki-marquee { position: relative; overflow: hidden; margin-top: 80px; padding: 28px 0; border-top: 1px solid var(--ind-trans); border-bottom: 1px solid var(--ind-trans); background: var(--paper); }
.yuki-marquee-track { display: flex; gap: 64px; white-space: nowrap; animation: yukiMarquee 60s linear infinite; font-family: 'Inter', sans-serif; font-style: italic; font-size: 28px; color: var(--indigo); opacity: 0.7; }
.yuki-marquee-track span { flex-shrink: 0; }
@keyframes yukiMarquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

.yuki-figure { position: relative; display: inline-block; border: 2px solid var(--indigo); border-radius: 4px; overflow: hidden; box-shadow: 6px 6px 0 0 var(--indigo); margin-bottom: 12px; width: 100%; }
.yuki-figure img { width: 100%; height: auto; }
.yuki-figure-caption { font-family: 'Noto Sans JP', sans-serif; font-style: italic; font-size: 11px; letter-spacing: 0.04em; color: var(--indigo); opacity: 0.6; text-transform: uppercase; margin-top: 12px; display: block; }


.yuki-bento { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: auto; gap: 18px; max-width: 1280px; margin: 0 auto; }

.yuki-bento-cell { background: var(--paper); border: 1.5px solid var(--ind-trans); border-radius: 4px; padding: 24px; position: relative; box-shadow: 4px 4px 0 0 rgba(20, 36, 71, 0.12); transition: transform 280ms cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 280ms ease, z-index 280ms; overflow: hidden; }
.yuki-bento-cell:hover { transform: translate(-4px, -4px) scale(1.04); box-shadow: 8px 8px 0 0 var(--turq-glow); border-color: var(--turq); z-index: 5; }
.yuki-bento-cell--wide { grid-column: span 2; }
.yuki-bento-cell--tall { grid-row: span 2; }
.yuki-bento-cell--big { grid-column: span 2; grid-row: span 2; }

.yuki-bento-cell .articul { position: absolute; top: 18px; left: 18px; width: 56px; height: 56px; background: var(--turq); border-radius: 4px; display: flex; align-items: center; justify-content: center; color: var(--paper); font-family: 'IBM Plex Mono', monospace; font-size: 13px; font-weight: 700; letter-spacing: 0.04em; z-index: 2; }

.yuki-bento-cell h3 { font-family: 'Inter', sans-serif; font-size: clamp(20px, 2vw, 26px); font-weight: 700; color: var(--indigo); margin: 80px 0 8px 0; letter-spacing: -0.01em; }
.yuki-bento-cell .jp { font-family: 'Noto Sans JP', sans-serif; font-size: 12px; color: var(--turq); opacity: 0.85; margin-bottom: 12px; letter-spacing: 0.04em; }
.yuki-bento-cell p { font-family: 'Inter Tight', sans-serif; font-size: 14px; line-height: 1.55; color: var(--indigo); opacity: 0.85; margin: 0 0 14px; }
.yuki-bento-cell .price { font-family: 'IBM Plex Mono', monospace; font-size: 13px; color: var(--coral); letter-spacing: 0.04em; display: block; margin-top: auto; padding-top: 14px; border-top: 1px solid var(--ind-trans); }

.yuki-bento-cell .tech-spec { background: var(--mint-soft); border-top: 1px solid var(--ind-trans); padding: 12px; margin: 18px -24px -24px; font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--indigo); line-height: 1.7; letter-spacing: 0.03em; }

.yuki-bento-cell--photo { position: relative; padding: 0; }
.yuki-bento-cell--photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.yuki-bento-cell--photo .photo-caption { position: absolute; left: 24px; bottom: 24px; right: 24px; background: var(--paper); border: 1px solid var(--ind-trans); border-radius: 4px; padding: 14px; z-index: 2; }
.yuki-bento-cell--photo .photo-caption .mono { font-size: 11px; color: var(--turq); letter-spacing: 0.04em; display: block; margin-bottom: 4px; }
.yuki-bento-cell--photo .photo-caption .ttl { font-family: 'Inter', sans-serif; font-weight: 700; font-size: 16px; color: var(--indigo); }

.yuki-bento-cell--pattern { display: flex; align-items: center; justify-content: center; font-family: 'IBM Plex Mono', monospace; color: var(--indigo); opacity: 0.4; font-size: 12px; background: linear-gradient(135deg, var(--ind-trans) 25%, transparent 25%) -10px 0, linear-gradient(225deg, var(--ind-trans) 25%, transparent 25%) -10px 0, var(--paper); background-size: 20px 20px; }


.yuki-timeline-wrap { position: relative; margin-top: 60px; overflow-x: auto; overflow-y: hidden; padding-bottom: 32px; -webkit-overflow-scrolling: touch; }
.yuki-timeline { position: relative; display: flex; gap: 32px; align-items: flex-start; padding: 60px 0 80px; min-width: max-content; }
.yuki-timeline::before { content: ""; position: absolute; top: 80px; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--indigo) 50%, transparent 50%); background-size: 12px 100%; opacity: 0.85; }

.yuki-step { position: relative; flex-shrink: 0; width: 180px; }
.yuki-step::after { content: ""; position: absolute; top: 78px; left: 50%; transform: translateX(-50%); width: 12px; height: 12px; background: var(--turq); border-radius: 50%; border: 2px solid var(--indigo); z-index: 2; }

.yuki-step-card { background: var(--paper); border: 2px solid var(--ind-trans); border-radius: 4px; padding: 14px; box-shadow: 4px 4px 0 0 rgba(20, 36, 71, 0.12); transition: transform 320ms ease, box-shadow 320ms ease, border-color 320ms ease; margin-top: 36px; }
.yuki-step:hover .yuki-step-card { transform: translateY(-4px); border-color: var(--turq); box-shadow: 6px 6px 0 0 var(--turq-mist); }

.yuki-step-card .step-num { font-family: 'IBM Plex Mono', monospace; font-size: 26px; color: var(--turq); font-weight: 700; margin-bottom: 8px; line-height: 1; }
.yuki-step-card .step-ttl { font-family: 'Inter', sans-serif; font-size: 14px; font-weight: 700; text-transform: uppercase; color: var(--indigo); letter-spacing: 0.04em; margin-bottom: 4px; }
.yuki-step-card .step-jp { font-family: 'Noto Sans JP', sans-serif; font-size: 10px; color: var(--turq); opacity: 0.7; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 12px; }
.yuki-step-card .step-desc { font-family: 'Inter Tight', sans-serif; font-size: 12px; line-height: 1.5; color: var(--indigo); opacity: 0.8; }


.yuki-advantage-grid { display: flex; flex-wrap: wrap; gap: 16px; max-width: 1280px; margin: 0 auto; }

.yuki-advantage { flex: 1 1 280px; background: var(--paper); border: 1.5px solid var(--ind-trans); border-radius: 4px; padding: 28px 24px; position: relative; overflow: hidden; min-height: 260px; box-shadow: 4px 4px 0 0 rgba(20, 36, 71, 0.08); transition: flex-grow 420ms cubic-bezier(0.34, 1.56, 0.64, 1), transform 320ms ease, box-shadow 320ms ease, border-color 320ms ease, z-index 320ms; }
.yuki-advantage:hover { flex-grow: 2.4; transform: translateY(-4px); border-color: var(--turq); border-width: 2.5px; box-shadow: 8px 8px 0 0 var(--turq-glow); z-index: 5; }

.yuki-advantage .num { position: absolute; right: 14px; bottom: 6px; font-family: 'IBM Plex Mono', monospace; font-size: 64px; color: var(--turq); opacity: 0.14; font-weight: 700; line-height: 1; pointer-events: none; }
.yuki-advantage .icon { width: 56px; height: 56px; margin-bottom: 16px; display: block; }
.yuki-advantage h3 { font-family: 'Inter', sans-serif; font-size: 18px; font-weight: 700; color: var(--indigo); margin: 0 0 10px; letter-spacing: -0.01em; }
.yuki-advantage p { font-family: 'Inter Tight', sans-serif; font-size: 14px; line-height: 1.55; color: var(--indigo); opacity: 0.78; margin: 0; }


.yuki-masonry { column-count: 3; column-gap: 18px; max-width: 1280px; margin: 0 auto; }
.yuki-case { break-inside: avoid; background: var(--paper); border: 1.5px solid var(--ind-trans); border-radius: 4px; margin-bottom: 18px; padding: 18px; position: relative; box-shadow: 4px 4px 0 0 rgba(20, 36, 71, 0.08); transition: transform 320ms ease, box-shadow 320ms ease, z-index 320ms; }
.yuki-case:hover { transform: translateY(-4px); border-color: var(--turq); box-shadow: 8px 8px 0 0 var(--turq-glow); z-index: 5; }

.yuki-case-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.04em; color: var(--turq); text-transform: uppercase; }
.yuki-case-articul { width: 28px; height: 28px; background: var(--turq); color: var(--paper); display: inline-flex; align-items: center; justify-content: center; border-radius: 4px; font-size: 10px; font-weight: 700; }

.yuki-case-img { width: 100%; height: auto; border: 1.5px solid var(--ind-trans); border-radius: 4px; display: block; margin-bottom: 14px; transition: transform 360ms ease; }
.yuki-case:hover .yuki-case-img { transform: scale(1.04); }

.yuki-case-title { font-family: 'Inter', 'Noto Sans JP', sans-serif; font-size: 18px; font-weight: 700; color: var(--indigo); margin: 0 0 4px; line-height: 1.3; }
.yuki-case-jp { font-family: 'Noto Sans JP', sans-serif; font-size: 11px; color: var(--indigo); opacity: 0.7; letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 12px; display: block; }

.yuki-case-specs { background: var(--mint-soft); font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--indigo); padding: 10px 12px; border-radius: 4px; line-height: 1.6; letter-spacing: 0.03em; }

.yuki-case--media { background: var(--paper); display: flex; align-items: center; justify-content: center; text-align: center; min-height: 280px; }


.yuki-team-canvas { position: relative; background: var(--paper); border: 1.5px solid var(--ind-trans); border-radius: 4px; height: 120vh; min-height: 760px; max-width: 1280px; margin: 0 auto; overflow: hidden; }

.yuki-team-card { position: absolute; background: var(--paper); border: 1.5px solid var(--ind-trans); border-radius: 4px; padding: 0; width: 280px; box-shadow: 4px 4px 0 0 rgba(20, 36, 71, 0.12); cursor: grab; transition: box-shadow 280ms ease, transform 280ms ease; z-index: 1; user-select: none; }
.yuki-team-card:active { cursor: grabbing; z-index: 50; }
.yuki-team-card:hover { z-index: 40; box-shadow: 8px 8px 0 0 var(--turq-glow); border-color: var(--turq); }

.yuki-team-card .photo { width: 100%; height: 200px; object-fit: cover; display: block; border-bottom: 1.5px solid var(--ind-trans); }
.yuki-team-card .info { padding: 14px 16px 18px; }
.yuki-team-card .info .mono { font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--turq); letter-spacing: 0.06em; text-transform: uppercase; display: block; margin-bottom: 4px; }
.yuki-team-card .info .name-jp { font-family: 'Noto Sans JP', sans-serif; font-size: 18px; color: var(--indigo); font-weight: 700; margin: 0 0 2px; }
.yuki-team-card .info .name-en { font-family: 'Inter Tight', sans-serif; font-size: 13px; color: var(--indigo); opacity: 0.8; margin: 0 0 8px; }
.yuki-team-card .info .spec { font-family: 'Inter Tight', sans-serif; font-style: italic; font-size: 11px; color: var(--turq); }
.yuki-team-card .info .years { font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--coral); letter-spacing: 0.04em; }


.yuki-faq-stack { max-width: 720px; margin: 0 auto; position: relative; }

.yuki-faq { position: relative; background: var(--paper); border: 1.5px solid var(--ind-trans); border-radius: 4px; padding: 18px 22px; box-shadow: 4px 4px 0 0 rgba(20, 36, 71, 0.08); margin-bottom: 14px; cursor: pointer; transition: transform 360ms cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 360ms ease, border-color 360ms ease, z-index 360ms; z-index: 1; }
.yuki-faq:nth-child(2) { margin-left: 16px; transform: translate(8px, 4px); }
.yuki-faq:nth-child(3) { margin-left: 32px; transform: translate(16px, 8px); }
.yuki-faq:nth-child(4) { margin-left: 48px; transform: translate(24px, 12px); }
.yuki-faq:nth-child(5) { margin-left: 32px; transform: translate(16px, 8px); }
.yuki-faq:nth-child(6) { margin-left: 16px; transform: translate(8px, 4px); }
.yuki-faq.is-open { border-color: var(--turq); box-shadow: 8px 8px 0 0 var(--turq-mist); transform: translate(0, 0); z-index: 5; }

.yuki-faq-head { display: flex; align-items: center; gap: 18px; }
.yuki-faq-num { font-family: 'IBM Plex Mono', monospace; font-size: 22px; color: var(--turq); font-weight: 700; flex-shrink: 0; width: 36px; }
.yuki-faq-q { flex: 1; font-family: 'Inter', sans-serif; font-size: clamp(15px, 1.5vw, 18px); font-weight: 500; color: var(--indigo); line-height: 1.4; }
.yuki-faq-toggle { width: 32px; height: 32px; border: 1.5px solid var(--ind-trans); border-radius: 4px; display: inline-flex; align-items: center; justify-content: center; font-family: 'IBM Plex Mono', monospace; font-size: 18px; color: var(--turq); flex-shrink: 0; transition: transform 320ms ease, border-color 320ms ease; }
.yuki-faq.is-open .yuki-faq-toggle { transform: rotate(45deg); border-color: var(--turq); border-width: 2px; }

.yuki-faq-a { font-family: 'Inter Tight', sans-serif; font-size: 15px; line-height: 1.7; color: var(--indigo); margin-top: 0; max-height: 0; overflow: hidden; opacity: 0; transition: max-height 460ms cubic-bezier(0.34, 1.56, 0.64, 1), margin-top 360ms ease, opacity 320ms ease, padding 360ms ease; background: var(--mint-soft); border-left: 4px solid var(--turq); padding: 0 16px; border-radius: 0 4px 4px 0; }
.yuki-faq.is-open .yuki-faq-a { margin-top: 16px; max-height: 320px; opacity: 1; padding: 16px; }


.yuki-coverflow { position: relative; padding: 32px 0; perspective: 1400px; }
.yuki-coverflow-track { display: flex; justify-content: center; align-items: center; min-height: 600px; position: relative; }

.yuki-review { position: absolute; width: 460px; min-height: 520px; background: var(--paper); border: 1.5px solid var(--ind-trans); border-radius: 4px; box-shadow: 6px 6px 0 0 rgba(20, 36, 71, 0.1); transition: transform 600ms cubic-bezier(0.22, 1, 0.36, 1), opacity 600ms ease, z-index 600ms; overflow: hidden; }

.yuki-review-media { height: 280px; background: var(--paper); border-bottom: 1px solid var(--ind-trans); display: flex; align-items: center; justify-content: center; text-align: center; padding: 24px; }
.yuki-review-media img { width: 100%; height: 100%; object-fit: cover; }
.yuki-review-stars { display: inline-flex; gap: 4px; }
.yuki-review-stars svg { width: 22px; height: 22px; stroke: var(--turq); fill: none; stroke-width: 1.5; }
.yuki-review-quote { font-family: 'Inter', sans-serif; font-style: italic; font-size: 22px; color: var(--indigo); line-height: 1.4; font-weight: 500; }

.yuki-review-foot { padding: 18px 22px; background: var(--mint-soft); border-top: 1px solid var(--ind-trans); }
.yuki-review-foot .num { font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--indigo); letter-spacing: 0.04em; text-transform: uppercase; display: block; margin-bottom: 4px; }
.yuki-review-foot .name { font-family: 'Inter Tight', sans-serif; font-size: 13px; font-weight: 500; color: var(--indigo); }
.yuki-review-foot .loc { font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--indigo); opacity: 0.7; letter-spacing: 0.04em; margin-top: 4px; display: block; }

.yuki-coverflow-nav { display: flex; justify-content: space-between; position: absolute; top: 50%; left: 0; right: 0; transform: translateY(-50%); padding: 0 28px; pointer-events: none; }
.yuki-coverflow-btn { width: 56px; height: 56px; background: var(--paper); border: 2px solid var(--ind-trans); border-radius: 4px; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 22px; color: var(--turq); font-family: 'IBM Plex Mono', monospace; box-shadow: 4px 4px 0 0 rgba(20, 36, 71, 0.08); transition: border-color 240ms ease, transform 240ms ease; pointer-events: auto; }
.yuki-coverflow-btn:hover { border-color: var(--turq); border-width: 2.5px; transform: translate(-2px, -2px); }


.yuki-contact-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 24px; max-width: 1280px; margin: 0 auto; }

.yuki-contact-card { background: var(--paper); border: 1.5px solid var(--ind-trans); border-radius: 4px; padding: 40px; box-shadow: 6px 6px 0 0 rgba(20, 36, 71, 0.15); }
.yuki-contact-card h2 { font-family: 'Inter', sans-serif; font-size: clamp(28px, 3vw, 44px); font-weight: 800; letter-spacing: -0.02em; color: var(--indigo); margin: 0 0 24px; line-height: 1.15; }

.yuki-contact-row { display: flex; align-items: center; gap: 16px; padding: 14px 0; border-bottom: 1px dashed var(--ind-trans); font-family: 'Inter Tight', sans-serif; font-size: 16px; color: var(--indigo); }
.yuki-contact-row:last-of-type { border-bottom: none; }
.yuki-contact-row svg { width: 32px; height: 32px; stroke: var(--indigo); fill: none; stroke-width: 1.5; flex-shrink: 0; }
.yuki-contact-row .accent { color: var(--turq); font-weight: 600; }

.yuki-map-card { background: var(--paper); border: 1.5px solid var(--ind-trans); border-radius: 4px; padding: 24px; box-shadow: 4px 4px 0 0 rgba(20, 36, 71, 0.1); }
.yuki-map-svg { width: 100%; height: 280px; display: block; }

.yuki-arrival { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--ind-trans); margin-top: 14px; border-radius: 4px; overflow: hidden; font-family: 'IBM Plex Mono', monospace; font-size: 11px; }
.yuki-arrival .cell { background: var(--mint-soft); padding: 10px; color: var(--indigo); text-align: center; letter-spacing: 0.04em; }
.yuki-arrival .cell strong { display: block; font-size: 13px; margin-top: 4px; font-family: 'IBM Plex Mono', monospace; color: var(--indigo); font-weight: 700; }

.yuki-license { background: var(--mint-soft); border: 1px solid var(--ind-trans); border-radius: 4px; padding: 16px; font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--indigo); line-height: 1.7; margin-top: 24px; }


.yuki-form { margin-top: 32px; }
.yuki-form-row { margin-bottom: 18px; }
.yuki-form label { display: block; font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.04em; color: var(--indigo); margin-bottom: 6px; text-transform: uppercase; }
.yuki-form input, .yuki-form textarea { width: 100%; background: var(--cream); border: 1.5px solid var(--ind-trans); border-radius: 4px; padding: 14px 16px; font-family: 'Inter Tight', sans-serif; font-size: 15px; color: var(--indigo); outline: none; transition: border-color 240ms ease, background 240ms ease; }
.yuki-form input::placeholder, .yuki-form textarea::placeholder { color: var(--graph); opacity: 0.6; }
.yuki-form input:focus, .yuki-form textarea:focus { border-color: var(--turq); background: var(--paper); }
.yuki-form textarea { min-height: 120px; resize: vertical; }
.yuki-form button[type="submit"] { width: 100%; }

.yuki-form-success { background: var(--mint-soft); border: 2px solid var(--forest); border-radius: 4px; padding: 24px; color: var(--forest); font-family: 'Inter Tight', sans-serif; font-size: 15px; text-align: center; display: none; }
.yuki-form-success.is-visible { display: block; }


.yuki-footer { background: var(--indigo); color: var(--cream); padding: 80px 28px 28px; position: relative; overflow: hidden; }
.yuki-footer a { color: var(--cream); opacity: 0.85; }
.yuki-footer a:hover { color: var(--turq); opacity: 1; }

.yuki-footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; max-width: 1280px; margin: 0 auto 56px; }

.yuki-footer-brand .brand-line { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.yuki-footer-brand .brand-line .domain { font-family: 'Inter', sans-serif; font-weight: 700; font-size: 22px; color: var(--cream); }
.yuki-footer-brand .brand-line .jp { font-family: 'Noto Sans JP', sans-serif; font-size: 12px; letter-spacing: 0.08em; opacity: 0.7; }
.yuki-footer-brand p { font-family: 'Inter Tight', sans-serif; font-size: 13px; line-height: 1.7; opacity: 0.75; margin: 0 0 14px; }
.yuki-footer-brand address { font-style: normal; font-family: 'IBM Plex Mono', monospace; font-size: 12px; opacity: 0.8; line-height: 1.7; }

.yuki-footer-col h4 { font-family: 'IBM Plex Mono', monospace; font-size: 12px; text-transform: uppercase; letter-spacing: 0.18em; color: var(--turq); margin: 0 0 18px; }
.yuki-footer-col ul { list-style: none; margin: 0; padding: 0; }
.yuki-footer-col li { margin-bottom: 10px; font-family: 'Inter Tight', sans-serif; font-size: 13px; }

.yuki-footer-bottom { border-top: 1px solid rgba(244, 239, 226, 0.18); padding-top: 28px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; max-width: 1280px; margin: 0 auto; font-family: 'IBM Plex Mono', monospace; font-size: 11px; opacity: 0.65; letter-spacing: 0.04em; }


.yuki-cookie { position: fixed; bottom: 28px; left: 28px; z-index: 200; background: var(--paper); border: 1.5px solid var(--ind-trans); border-radius: 4px; padding: 22px 24px; max-width: 380px; box-shadow: 6px 6px 0 0 rgba(20, 36, 71, 0.18); font-family: 'Inter Tight', sans-serif; color: var(--indigo); }
.yuki-cookie.is-hidden { display: none; }
.yuki-cookie h4 { font-family: 'Inter', sans-serif; font-size: 14px; font-weight: 700; color: var(--indigo); margin: 0 0 8px; letter-spacing: 0.04em; }
.yuki-cookie p { font-size: 12px; line-height: 1.55; color: var(--indigo); margin: 0 0 14px; opacity: 0.8; }
.yuki-cookie-btns { display: flex; gap: 8px; flex-wrap: wrap; }
.yuki-cookie-btn { flex: 1; background: var(--turq); color: var(--paper); border: none; border-radius: 4px; padding: 10px 14px; font-family: 'Inter', sans-serif; font-weight: 700; font-size: 12px; cursor: pointer; min-height: 44px; letter-spacing: 0.04em; }
.yuki-cookie-btn--alt { background: var(--paper); color: var(--indigo); border: 1.5px solid var(--ind-trans); }


.yuki-pagehero { position: relative; padding: 100px 28px 80px; background: var(--cream); overflow: hidden; }
.yuki-pagehero--white { background: var(--paper); }
.yuki-pagehero-marker { font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.22em; color: var(--turq); text-transform: uppercase; margin-bottom: 18px; display: inline-block; }
.yuki-pagehero h1 { font-family: 'Inter', 'Noto Sans JP', sans-serif; font-size: clamp(40px, 5.5vw, 80px); font-weight: 800; color: var(--indigo); letter-spacing: -0.02em; line-height: 1; margin: 0 0 20px; }
.yuki-pagehero h1 .jp { color: var(--turq); font-family: 'Noto Sans JP', sans-serif; display: inline-block; margin-left: 12px; }
.yuki-pagehero-divider { width: 240px; height: 1.5px; background: var(--indigo); margin: 20px 0; transform: rotate(-2deg); }
.yuki-pagehero p { font-family: 'Inter Tight', sans-serif; font-size: clamp(15px, 1.4vw, 18px); line-height: 1.7; color: var(--indigo); max-width: 760px; margin: 0; }
.yuki-pagehero-tech { font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.04em; color: var(--indigo); background: var(--ind-soft); border: 1px solid var(--ind-trans); padding: 10px 14px; display: inline-block; margin-top: 24px; }


.yuki-prose { max-width: 1080px; margin: 0 auto; }
.yuki-prose h2 { font-family: 'Inter', 'Noto Sans JP', sans-serif; font-size: clamp(24px, 2.8vw, 38px); font-weight: 700; letter-spacing: -0.01em; color: var(--indigo); margin: 60px 0 18px; }
.yuki-prose h3 { font-family: 'Inter', sans-serif; font-size: clamp(18px, 2vw, 24px); font-weight: 700; color: var(--indigo); margin: 36px 0 12px; }
.yuki-prose p { font-family: 'Inter Tight', sans-serif; font-size: 16px; line-height: 1.85; color: var(--indigo); margin: 0 0 18px; }
.yuki-prose ul, .yuki-prose ol { font-family: 'Inter Tight', sans-serif; font-size: 16px; line-height: 1.85; color: var(--indigo); padding-left: 22px; margin: 0 0 18px; }
.yuki-prose li { margin-bottom: 6px; }
.yuki-prose blockquote { border-left: 4px solid var(--turq); background: var(--mint-soft); padding: 18px 22px; margin: 24px 0; font-family: 'Inter', sans-serif; font-style: italic; font-size: 18px; color: var(--indigo); }

.yuki-prose-img { width: 100%; max-width: 720px; border: 2px solid var(--indigo); border-radius: 4px; box-shadow: 6px 6px 0 0 rgba(20, 36, 71, 0.18); margin: 24px 0; display: block; }

.yuki-spec-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; background: var(--mint-soft); border: 1px solid var(--ind-trans); border-radius: 4px; padding: 22px; font-family: 'IBM Plex Mono', monospace; font-size: 13px; color: var(--indigo); margin: 28px 0; }
.yuki-spec-grid .row { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px dashed var(--ind-trans); }

.yuki-cta-banner { background: var(--paper); border: 1.5px solid var(--ind-trans); border-radius: 4px; padding: 40px; text-align: center; margin: 60px 0; box-shadow: 6px 6px 0 0 rgba(20, 36, 71, 0.15); }
.yuki-cta-banner h3 { font-family: 'Inter', sans-serif; font-size: clamp(24px, 2.6vw, 32px); font-weight: 700; color: var(--indigo); margin: 0 0 16px; letter-spacing: -0.01em; }
.yuki-cta-banner p { font-family: 'Inter Tight', sans-serif; font-size: 15px; color: var(--indigo); opacity: 0.85; margin: 0 0 24px; line-height: 1.7; max-width: 540px; margin-left: auto; margin-right: auto; }

.mt-2 { margin-top: 16px; } .mt-4 { margin-top: 32px; } .mt-6 { margin-top: 48px; }
.mb-2 { margin-bottom: 16px; } .mb-4 { margin-bottom: 32px; } .mb-6 { margin-bottom: 48px; }


@media (max-width: 1100px) {
  .yuki-bento { grid-template-columns: repeat(3, 1fr); }
  .yuki-editorial-grid { grid-template-columns: 1fr 1fr; }
  .yuki-footer-grid { grid-template-columns: 1fr 1fr; }
  .yuki-masonry { column-count: 2; }
  .yuki-coverflow-nav { padding: 0 12px; }
  .yuki-hero-title { width: 100%; }
  .yuki-section-head { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 768px) {
  .yuki-topstrip { padding: 0 16px; height: 26px; }
  .yuki-topstrip .topstrip-meta { display: none; }
  .yuki-mainnav { height: 64px; padding: 0 16px; clip-path: none; }
  .yuki-nav-list { display: none; }
  .yuki-burger { display: flex; }
  .yuki-brand-text .topstrip-domain { font-size: 14px; }
  .yuki-brand-text .topstrip-jp { font-size: 9px; }
  .yuki-brand-icon { width: 36px; height: 36px; }
  .yuki-hero { padding: 40px 16px 60px; min-height: 90vh; }
  .yuki-hero-title { font-size: 56px; line-height: 1; width: 100%; }
  .yuki-hero-tech { font-size: 9px; padding: 10px 12px; }
  .yuki-hero-actions { flex-direction: column; align-items: flex-start; }
  .yuki-cta { width: 100%; }
  .yuki-live, .yuki-legend { display: none; }
  .yuki-section { padding: 80px 16px; }
  .yuki-section-title { font-size: 44px; }
  .yuki-editorial-grid { grid-template-columns: 1fr; gap: 24px; }
  .yuki-bento { grid-template-columns: repeat(2, 1fr); grid-auto-rows: auto; }
  .yuki-bento-cell--big { grid-column: span 2; grid-row: span 1; }
  .yuki-masonry { column-count: 1; }
  .yuki-footer { padding: 60px 16px 24px; }
  .yuki-footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .yuki-footer-bottom { flex-direction: column; align-items: flex-start; font-size: 10px; }
  .yuki-contact-grid { grid-template-columns: 1fr; }
  .yuki-contact-card { padding: 28px; }
  .yuki-arrival { grid-template-columns: repeat(2, 1fr); }
  .yuki-spec-grid { grid-template-columns: 1fr; }
  .yuki-cookie { left: 16px; right: 16px; max-width: none; bottom: 16px; }
  .yuki-pagehero { padding: 60px 16px 50px; }
  .yuki-pagehero h1 { font-size: 44px; }
  .yuki-team-canvas { height: auto; min-height: auto; padding: 24px; }
  .yuki-team-card { position: relative !important; top: auto !important; left: auto !important; width: 100%; transform: none !important; margin-bottom: 16px; }
  .yuki-coverflow-track { min-height: 540px; }
  .yuki-review { width: 90vw; }
  .yuki-pullquote { font-size: 22px; }
  .yuki-faq, .yuki-faq:nth-child(n) { margin-left: 0 !important; transform: none !important; }
}

@media (max-width: 480px) {
  .yuki-bento { grid-template-columns: 1fr; }
  .yuki-bento-cell--wide, .yuki-bento-cell--big { grid-column: span 1; }
  .yuki-arrival { grid-template-columns: 1fr; }
  .yuki-hero-title { font-size: 44px; }
}