:root {
  --bg: #f5f2ec;
  --bg-alt: #ebe6dc;
  --ink: #0f1419;
  --ink-soft: #3b4450;
  --ink-mute: #6b7380;
  --line: #d6d0c3;
  --navy: #0b2545;
  --navy-2: #13335f;
  --aqua: #2e8fb8;
  --aqua-soft: #bfe0ec;
  --accent: #c8402c;
  --paper: #fbfaf6;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Noto Sans JP', system-ui, -apple-system, sans-serif;
  font-weight: 400;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.7;
  font-feature-settings: "palt";
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; font-feature-settings: normal; }
.tnum { font-variant-numeric: tabular-nums; }

/* ---------- Layout ---------- */
.wrap { max-width: 1320px; margin: 0 auto; padding: 0 40px; }
@media (max-width: 720px) { .wrap { padding: 0 22px; } }

.hairline { height: 1px; background: var(--line); border: 0; }
.hairline-dark { height: 1px; background: rgba(255,255,255,0.16); border: 0; }

/* ---------- Top bar ---------- */
.topbar {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: saturate(1.1) blur(6px);
}
.topbar-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 32px;
  height: 72px;
}
.brand { display: flex; align-items: baseline; gap: 14px; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 6px;
  background: var(--navy); color: #fff;
  display: grid; place-items: center;
  font-family: 'Noto Serif JP', serif;
  font-weight: 900; font-size: 20px;
  letter-spacing: -0.02em; align-self: center;
}
.brand-name { font-weight: 700; letter-spacing: 0.02em; font-size: 16px; }
.brand-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--ink-mute);
  letter-spacing: 0.18em; text-transform: uppercase;
}
.nav { display: flex; gap: 28px; justify-content: center; font-size: 13px; font-weight: 500; }
.nav a { position: relative; padding: 6px 0; color: var(--ink-soft); transition: color .15s; }
.nav a:hover { color: var(--navy); }
.nav a.active { color: var(--navy); }
.nav a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 2px; background: var(--aqua);
}
.topbar-cta { display: flex; align-items: center; gap: 10px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 11px 18px; border-radius: 999px;
  font-size: 13px; font-weight: 600;
  border: 1px solid transparent;
  transition: transform .15s, background .15s, color .15s, border-color .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-2); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--navy); }
.btn-aqua { background: var(--aqua); color: #fff; }
.btn-aqua:hover { background: #246f8f; }

/* ---------- Hero ---------- */
.hero {
  position: relative; padding: 80px 0 0; overflow: hidden;
  background:
    repeating-linear-gradient(135deg, rgba(11,37,69,0.03) 0 1px, transparent 1px 28px),
    var(--bg);
}
.hero-single { display: flex; flex-direction: column; }
.hero-body {
  display: grid; grid-template-columns: 1fr auto;
  gap: 40px; align-items: start; margin-bottom: 56px;
}
@media (max-width: 720px) { .hero-body { grid-template-columns: 1fr; } }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-mute); margin-bottom: 28px;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--ink-mute); }
.hero-title {
  font-family: 'Noto Serif JP', serif;
  font-weight: 900;
  font-size: clamp(56px, 9vw, 140px);
  line-height: 0.95; letter-spacing: -0.03em;
  margin: 0 0 40px; color: var(--navy);
}
.hero-title .faint { color: var(--ink-soft); font-weight: 700; }
.hero-title .wash {
  display: inline-block; position: relative;
  background: linear-gradient(180deg, transparent 60%, var(--aqua-soft) 60%);
  padding: 0 6px;
}
.hero-lead { font-size: 16px; line-height: 1.85; color: var(--ink-soft); max-width: 48ch; margin: 0 0 36px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 48px; }
.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 2px solid var(--navy);
  margin: 0 -40px;
}
.hero-stats > div {
  padding: 28px 32px;
  border-right: 1px solid var(--line);
}
.hero-stats > div:last-child { border-right: none; }
.stat-n {
  font-family: 'Noto Serif JP', serif; font-weight: 900;
  font-size: 44px; line-height: 1; color: var(--navy); letter-spacing: -0.02em;
}
.stat-patent { font-size: 32px; letter-spacing: -0.01em; }
.stat-n sup { font-size: 18px; font-weight: 700; margin-left: 2px; color: var(--aqua); vertical-align: top; top: .3em; position: relative; }
.stat-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-mute); margin-top: 10px;
}
/* Hero panel (image-free data card) */
.hero-panel {
  background: var(--navy); border-radius: 4px;
  padding: 32px; color: #fff; min-width: 0;
  display: flex; flex-direction: column; gap: 24px;
  box-shadow: 0 24px 48px -16px rgba(11,37,69,.4);
  border: 1px solid rgba(255,255,255,0.08);
}
.hero-panel-top { display: flex; flex-direction: column; gap: 14px; }
.hero-panel-fig { font-size: 10px; letter-spacing: 0.22em; color: var(--aqua-soft); text-transform: uppercase; }
.hero-panel-svg { width: 100%; height: auto; display: block; border: 1px solid rgba(255,255,255,0.08); background: rgba(255,255,255,0.02); }
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 12px;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.18);
  border-radius: 999px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; width: fit-content;
}
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--aqua); box-shadow: 0 0 10px var(--aqua); }
.hero-panel-data {
  display: flex; align-items: center; gap: 16px;
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1);
  padding: 16px 20px; border-radius: 2px;
}
.hero-panel-row { flex: 1; }
.hero-panel-row--after .hero-panel-val { color: var(--aqua-soft); }
.hero-panel-label { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.2em; color: rgba(255,255,255,0.5); margin-bottom: 4px; }
.hero-panel-val { font-family: 'Noto Serif JP', serif; font-weight: 900; font-size: 22px; color: #fff; line-height: 1; }
.hero-panel-val span { font-size: 11px; font-family: 'JetBrains Mono', monospace; color: rgba(255,255,255,0.6); margin-left: 4px; }
.hero-panel-arrow { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.1em; color: var(--aqua); white-space: nowrap; }
.hero-panel-caption { font-family: 'Noto Serif JP', serif; font-weight: 700; font-size: 18px; line-height: 1.5; border-top: 1px solid rgba(255,255,255,0.12); padding-top: 20px; }
.hero-panel-caption small { display: block; font-family: 'Noto Sans JP', sans-serif; font-weight: 400; font-size: 12px; color: rgba(255,255,255,0.6); margin-top: 8px; letter-spacing: .02em; }

/* Ticker */
.ticker {
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: var(--paper); overflow: hidden;
}
.ticker-inner {
  display: flex; gap: 60px; padding: 16px 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--ink-mute); white-space: nowrap;
  animation: ticker 50s linear infinite;
}
.ticker-inner span::before { content: "◇"; margin-right: 16px; color: var(--aqua); }
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
section { position: relative; }
.section-head {
  display: grid; grid-template-columns: 1fr 2fr;
  gap: 60px; padding: 96px 0 48px; align-items: start;
}
.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--aqua); display: flex; align-items: baseline; gap: 14px;
}
.section-label .num {
  font-size: 42px; letter-spacing: 0; color: var(--navy);
  font-family: 'Noto Serif JP', serif; font-weight: 900; line-height: 1;
}
.section-title {
  font-family: 'Noto Serif JP', serif; font-weight: 900;
  font-size: clamp(32px, 4.2vw, 56px);
  line-height: 1.1; letter-spacing: -0.015em; margin: 0 0 18px; color: var(--navy);
}
.section-deck { font-size: 15px; color: var(--ink-soft); max-width: 54ch; line-height: 1.9; }

/* Mission */
.mission-grid {
  display: grid; grid-template-columns: repeat(12, 1fr);
  gap: 24px; padding-bottom: 96px;
}
.mission-card {
  grid-column: span 4;
  background: var(--paper); border: 1px solid var(--line);
  padding: 32px 28px; min-height: 240px;
  display: flex; flex-direction: column;
  transition: transform .2s, border-color .2s; position: relative;
}
.mission-card:hover { transform: translateY(-3px); border-color: var(--navy); }
.mission-card:nth-child(4) { grid-column: span 6; }
.mission-card:nth-child(5) { grid-column: span 6; }
.mission-no {
  font-family: 'Noto Serif JP', serif; font-weight: 900;
  font-size: 40px; color: var(--navy); line-height: 1;
  margin-bottom: 20px; display: flex; align-items: baseline; gap: 8px;
}
.mission-no .slash { color: var(--aqua); font-size: 22px; }
.mission-title { font-weight: 700; font-size: 18px; margin: 0 0 12px; color: var(--navy); line-height: 1.4; }
.mission-body { font-size: 13.5px; color: var(--ink-soft); line-height: 1.85; margin: 0; }

/* Problem */
.problem { background: var(--navy); color: #fff; padding: 120px 0 140px; }
.problem .section-title { color: #fff; }
.problem .section-deck { color: rgba(255,255,255,0.75); }
.problem .section-label { color: var(--aqua-soft); }
.problem .section-label .num { color: #fff; }
.problem-hero { display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center; margin-bottom: 60px; }
.problem-kicker {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(40px, 5vw, 72px); font-weight: 900;
  line-height: 1.05; letter-spacing: -0.02em; margin: 0;
}
.problem-kicker em { font-style: normal; color: var(--aqua-soft); border-bottom: 4px solid var(--aqua); padding-bottom: 4px; }
.problem-multiplier { font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: 0.2em; color: var(--aqua-soft); margin-bottom: 18px; }
.problem-chart { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1); border-radius: 4px; padding: 28px; }
.bar-row { margin-bottom: 22px; }
.bar-row:last-child { margin-bottom: 0; }
.bar-label { display: flex; justify-content: space-between; font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.15em; color: rgba(255,255,255,0.7); margin-bottom: 8px; }
.bar-label b { color: #fff; font-weight: 700; font-size: 14px; font-family: 'Noto Serif JP', serif; }
.bar { height: 10px; background: rgba(255,255,255,0.08); border-radius: 2px; overflow: hidden; position: relative; }
.bar-fill {
  height: 100%; width: 0;
  background: linear-gradient(90deg, var(--aqua), #6dc7e4);
  transition: width 1.6s cubic-bezier(.2,.7,.2,1);
}
.bar-fill.ref { background: rgba(255,255,255,0.25); }
.bar-fill.animated { width: var(--bar-width, 100%); }

.before-after { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 60px; }
.ba-card { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.12); padding: 28px; border-radius: 4px; }
.ba-num { font-family: 'Noto Serif JP', serif; font-weight: 900; font-size: 44px; line-height: 1; color: var(--aqua-soft); letter-spacing: -0.02em; }
.ba-num .unit { font-size: 18px; color: rgba(255,255,255,0.6); margin-left: 4px; }
.ba-name { font-weight: 700; font-size: 15px; margin-top: 16px; margin-bottom: 6px; color: #fff; }
.ba-desc { font-size: 12.5px; color: rgba(255,255,255,0.7); line-height: 1.75; margin: 0; }

/* Problem diagram */
.problem-photo { margin-top: 32px; border: 1px solid rgba(255,255,255,0.15); padding: 12px; background: rgba(255,255,255,0.03); max-width: 420px; }
.problem-diagram { background: #0a1a2f; padding: 20px; border: 1px solid rgba(255,255,255,0.08); }
.pd-label { font-size: 10px; letter-spacing: 0.22em; color: var(--aqua-soft); margin-bottom: 12px; font-family: 'JetBrains Mono', monospace; text-transform: uppercase; }
.pd-svg { width: 100%; height: auto; display: block; }
.problem-photo-cap { margin-top: 10px; padding: 6px 4px 2px; font-size: 12px; color: rgba(255,255,255,0.7); display: flex; align-items: center; gap: 10px; }
.problem-photo-cap .mono { font-size: 10px; letter-spacing: 0.22em; color: var(--aqua-soft); }

/* Service */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; padding-bottom: 40px; }
.service-card { border: 1px solid var(--line); background: var(--paper); padding: 32px; position: relative; }
.service-ico {
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--navy); color: #fff;
  display: grid; place-items: center; margin-bottom: 24px;
  font-family: 'Noto Serif JP', serif; font-weight: 900; font-size: 24px;
}
.service-card h3 { font-family: 'Noto Serif JP', serif; font-weight: 700; font-size: 20px; margin: 0 0 10px; color: var(--navy); line-height: 1.4; }
.service-card p { font-size: 13.5px; color: var(--ink-soft); line-height: 1.85; margin: 0; }

/* Gallery */
#gallery { padding-bottom: 96px; }
.gallery-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; }
.gal-card { margin: 0; background: var(--paper); border: 1px solid var(--line); }
.gal-card:nth-child(1) { grid-column: span 7; }
.gal-card:nth-child(2) { grid-column: span 5; }
.gal-card:nth-child(3) { grid-column: span 5; }
.gal-card:nth-child(4) { grid-column: span 7; }
.gal-img { aspect-ratio: 16/10; overflow: hidden; background: var(--bg-alt); }
.gal-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2,.7,.2,1); filter: saturate(0.92); }
.gal-card:hover .gal-img img { transform: scale(1.03); }
.gal-card figcaption { display: flex; justify-content: space-between; align-items: baseline; padding: 14px 18px; border-top: 1px solid var(--line); font-size: 13px; color: var(--ink); }
.gal-card figcaption .mono { font-size: 10px; letter-spacing: 0.22em; color: var(--aqua); text-transform: uppercase; }

/* Lab chart */
.gal-card.gal-chart {
  grid-column: span 12 !important;
  background: var(--navy) !important; color: #fff;
  border: 1px solid var(--navy) !important;
  padding: 32px 28px 24px; overflow: hidden;
}
.lab-chart-head { display: grid; grid-template-columns: auto 1fr auto; gap: 24px; align-items: baseline; margin-bottom: 20px; }
.lab-chart-tag { font-size: 10.5px; letter-spacing: 0.22em; color: var(--aqua-soft); text-transform: uppercase; font-family: 'JetBrains Mono', monospace; }
.lab-chart-title { font-family: 'Noto Serif JP', serif; font-weight: 700; font-size: 22px; letter-spacing: -0.01em; }
.lab-chart-sub { font-size: 12px; color: rgba(255,255,255,0.65); }
.lab-chart-svg { width: 100%; height: auto; display: block; max-width: 900px; margin: 0 auto; }
.lab-chart-legend { display: flex; gap: 28px; flex-wrap: wrap; justify-content: center; margin-top: 16px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,0.12); font-size: 12px; color: rgba(255,255,255,0.75); }
.lab-chart-legend .sw { display: inline-block; width: 12px; height: 12px; margin-right: 8px; vertical-align: -2px; }
.lab-chart-legend .sw-pre { background: #e87361; }
.lab-chart-legend .sw-post { background: var(--aqua-soft); }
.lab-chart-legend .mono { color: var(--aqua-soft); letter-spacing: 0.12em; }

/* Lab section (standalone) */
.lab-section { background: var(--navy); padding: 0 0 80px; }
.lab-section .lab-chart { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.12); padding: 32px 28px 24px; color: #fff; border-radius: 4px; }

/* Process */
.process { background: var(--bg-alt); padding: 0 0 120px; }
.process-rail { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); position: relative; }
.process-step { padding: 32px 24px 32px; border-right: 1px solid var(--line); position: relative; }
.process-step:last-child { border-right: none; }
.process-num { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.2em; color: var(--aqua); margin-bottom: 80px; }
.process-title { font-family: 'Noto Serif JP', serif; font-weight: 700; font-size: 19px; margin: 0 0 10px; color: var(--navy); }
.process-body { font-size: 12.5px; color: var(--ink-soft); line-height: 1.75; margin: 0; }
.process-step::before { content: ""; position: absolute; top: 58px; left: 24px; width: 10px; height: 10px; border-radius: 50%; background: var(--aqua); box-shadow: 0 0 0 4px rgba(46,143,184,0.15); }

/* Pricing */
.pricing { padding: 0 0 120px; }
.price-card { background: var(--paper); border: 1px solid var(--line); display: grid; grid-template-columns: 1.1fr 1fr; overflow: hidden; }
.price-left {
  padding: 56px 48px; border-right: 1px solid var(--line);
  background: repeating-linear-gradient(135deg, rgba(46,143,184,0.03) 0 8px, transparent 8px 16px), var(--paper);
}
.price-eyebrow { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--aqua); margin-bottom: 18px; }
.price-name { font-family: 'Noto Serif JP', serif; font-weight: 900; font-size: 40px; line-height: 1.1; color: var(--navy); letter-spacing: -0.015em; margin: 0 0 32px; }
.price-amount { display: flex; align-items: baseline; gap: 8px; margin-bottom: 8px; }
.price-amount .yen { font-family: 'Noto Serif JP', serif; font-weight: 700; font-size: 24px; color: var(--ink-soft); }
.price-amount .n { font-family: 'Noto Serif JP', serif; font-weight: 900; font-size: 84px; line-height: 1; color: var(--navy); letter-spacing: -0.03em; }
.price-amount .tax { font-size: 13px; color: var(--ink-mute); }
.price-dur { font-family: 'JetBrains Mono', monospace; font-size: 11.5px; letter-spacing: 0.15em; color: var(--ink-mute); margin-bottom: 32px; }
.price-note { font-size: 12.5px; color: var(--ink-mute); line-height: 1.85; border-top: 1px dashed var(--line); padding-top: 20px; }
.price-right { padding: 48px 48px; }
.price-right h4 { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-mute); margin: 0 0 18px; }
.price-steps { list-style: none; padding: 0; margin: 0 0 32px; }
.price-steps li { display: grid; grid-template-columns: 36px 1fr; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 14px; color: var(--ink); }
.price-steps li:last-child { border-bottom: none; }
.price-steps li .s-n { font-family: 'JetBrains Mono', monospace; font-size: 11.5px; color: var(--aqua); font-weight: 500; padding-top: 4px; }
.price-areas { background: var(--navy); color: #fff; margin: 0 -48px -48px; padding: 28px 48px; }
.price-areas-label { font-family: 'JetBrains Mono', monospace; font-size: 10.5px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--aqua-soft); margin-bottom: 10px; }
.price-areas-list { font-size: 14px; line-height: 1.9; font-weight: 500; }

/* Company */
.company { background: var(--paper); padding: 0 0 120px; border-top: 1px solid var(--line); }
.company-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 80px; align-items: start; }
.company-manifesto { font-family: 'Noto Serif JP', serif; font-size: 17px; line-height: 2; color: var(--ink-soft); }
.company-manifesto p { margin: 0 0 1.4em; }
.company-manifesto p:first-child::first-letter { float: left; font-size: 3.6em; line-height: 0.9; font-weight: 900; color: var(--navy); padding-right: 12px; padding-top: 6px; }
.company-facts { border-top: 2px solid var(--navy); }
.fact-row { display: grid; grid-template-columns: 120px 1fr; padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 13.5px; align-items: baseline; }
.fact-row dt { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-mute); }
.fact-row dd { margin: 0; color: var(--ink); font-weight: 500; }
.members { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 32px; }
.member { border: 1px solid var(--line); padding: 20px; display: grid; grid-template-columns: 72px 1fr; gap: 16px; align-items: start; }
.member-avatar { width: 72px; height: 72px; border-radius: 50%; background: var(--navy); color: #fff; display: grid; place-items: center; font-family: 'Noto Serif JP', serif; font-weight: 900; font-size: 28px; overflow: hidden; }
.member-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.member-role { font-family: 'JetBrains Mono', monospace; font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--aqua); margin-bottom: 4px; }
.member-name { font-weight: 700; font-size: 16px; color: var(--navy); margin-bottom: 6px; }
.member-bio { font-size: 11.5px; color: var(--ink-mute); line-height: 1.7; }

.company-photos { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 56px; }
.company-photos figure { margin: 0; }
.company-photos figure img { width: 100%; aspect-ratio: 3/2; object-fit: cover; display: block; filter: saturate(0.92); border: 1px solid var(--line); }
.company-photos figcaption { margin-top: 10px; font-size: 12.5px; color: var(--ink-soft); }
.company-photos figcaption .mono { font-size: 10px; letter-spacing: 0.22em; color: var(--aqua); margin-right: 10px; }

/* CTA banner */
.cta-banner { background: var(--navy); color: #fff; padding: 80px 0; position: relative; overflow: hidden; }
.cta-banner::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(60% 80% at 90% 50%, rgba(46,143,184,0.3), transparent 60%),
    repeating-linear-gradient(135deg, rgba(255,255,255,0.02) 0 8px, transparent 8px 16px);
}
.cta-inner { position: relative; display: grid; grid-template-columns: 1.3fr 1fr; gap: 60px; align-items: center; }
.cta-title { font-family: 'Noto Serif JP', serif; font-weight: 900; font-size: clamp(32px, 4vw, 52px); line-height: 1.15; margin: 0 0 16px; }
.cta-sub { color: rgba(255,255,255,0.7); font-size: 14.5px; margin: 0; line-height: 1.85; }
.cta-contacts { display: grid; gap: 16px; }
.cta-line { border: 1px solid rgba(255,255,255,0.2); padding: 18px 20px; border-radius: 4px; display: grid; grid-template-columns: 1fr auto; gap: 16px; align-items: center; transition: border-color .15s; }
.cta-line:hover { border-color: rgba(255,255,255,0.5); }
.cta-line-label { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--aqua-soft); margin-bottom: 4px; }
.cta-line-val { font-family: 'Noto Serif JP', serif; font-weight: 700; font-size: 22px; }
.cta-arrow { width: 36px; height: 36px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.3); display: grid; place-items: center; transition: background .15s; }
.cta-line:hover .cta-arrow { background: var(--aqua); border-color: var(--aqua); }

/* Footer */
footer { background: #070f1f; color: rgba(255,255,255,0.7); padding: 64px 0 28px; font-size: 13px; }
.foot-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.foot-brand .brand-mark { background: #fff; color: var(--navy); }
.foot-brand .brand-name { color: #fff; }
.foot-brand p { font-size: 12px; line-height: 1.85; margin: 20px 0 0; color: rgba(255,255,255,0.55); }
.foot-col h5 { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: rgba(255,255,255,0.45); margin: 0 0 18px; font-weight: 500; }
.foot-col ul { list-style: none; padding: 0; margin: 0; }
.foot-col li { margin-bottom: 10px; font-size: 13px; }
.foot-col a:hover { color: var(--aqua); }
.foot-bar { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; font-family: 'JetBrains Mono', monospace; font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase; color: rgba(255,255,255,0.4); }
.foot-socials { display: flex; gap: 12px; }
.foot-socials a { width: 30px; height: 30px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.15); display: grid; place-items: center; font-size: 11px; }
.foot-socials a:hover { border-color: var(--aqua); color: var(--aqua); }

/* FAQ */
#faq { padding-bottom: 96px; }
.faq-list { display: flex; flex-direction: column; gap: 2px; max-width: 900px; }
.faq-item { border: 1px solid var(--line); background: var(--paper); }
.faq-q {
  display: grid; grid-template-columns: 40px 1fr;
  align-items: start; gap: 16px;
  padding: 22px 28px; font-weight: 700; font-size: 15px;
  color: var(--navy); cursor: default;
}
.faq-a {
  display: grid; grid-template-columns: 40px 1fr;
  align-items: start; gap: 16px;
  padding: 0 28px 22px; font-size: 14px;
  color: var(--ink-soft); line-height: 1.85;
  border-top: 1px dashed var(--line);
}
.faq-icon {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--navy); color: #fff;
  display: grid; place-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; font-weight: 700; flex-shrink: 0;
  margin-top: 2px;
}
.faq-icon-a { background: var(--aqua); }

/* 事業者様用 */
.biz-section { background: var(--bg-alt); padding: 0 0 96px; }
.biz-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-bottom: 56px; }
.biz-card { background: var(--paper); border: 1px solid var(--line); padding: 32px; }
.biz-card-icon {
  font-size: 11px; letter-spacing: 0.22em;
  color: var(--aqua); margin-bottom: 16px;
}
.biz-card-title { font-family: 'Noto Serif JP', serif; font-weight: 700; font-size: 18px; color: var(--navy); margin: 0 0 10px; line-height: 1.4; }
.biz-card-body { font-size: 13.5px; color: var(--ink-soft); line-height: 1.85; margin: 0; }

.biz-table-wrap { margin-bottom: 48px; }
.biz-table-label { font-size: 10.5px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-mute); margin-bottom: 16px; }
.biz-table { width: 100%; border-collapse: collapse; font-size: 14px; background: var(--paper); }
.biz-table th, .biz-table td { padding: 14px 20px; border: 1px solid var(--line); text-align: left; }
.biz-table th { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--ink-mute); font-weight: 500; background: var(--bg-alt); }
.biz-table th span { display: block; font-family: 'Noto Sans JP', sans-serif; font-size: 13px; font-weight: 700; color: var(--navy); margin-top: 4px; letter-spacing: 0; text-transform: none; }
.biz-table td { color: var(--ink-soft); }
.biz-table .biz-col { background: rgba(46,143,184,0.06); }
.biz-table .biz-col th, .biz-table .biz-col { border-left: 2px solid var(--aqua); }
.biz-table tbody tr:hover td { background: var(--bg-alt); }

.biz-cta { background: var(--navy); color: #fff; padding: 40px 48px; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.biz-cta-label { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--aqua-soft); margin-bottom: 10px; }
.biz-cta-text p { font-size: 14px; color: rgba(255,255,255,0.8); line-height: 1.85; margin: 0; }
.biz-cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.biz-cta .btn-ghost { border-color: rgba(255,255,255,0.3); color: #fff; }
.biz-cta .btn-ghost:hover { border-color: #fff; }

@media (max-width: 980px) {
  .biz-grid { grid-template-columns: 1fr; }
  .biz-cta { flex-direction: column; align-items: flex-start; padding: 32px 24px; }
  .faq-q, .faq-a { padding-left: 20px; padding-right: 20px; }
}

/* ---------- Hamburger button ---------- */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 6px;
  background: none;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
  transform-origin: center;
}
.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Mobile menu overlay ---------- */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 19;
  background: rgba(11, 37, 69, 0.97);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.mobile-menu.open {
  display: block;
  animation: fadeInMenu 0.2s ease;
}
@keyframes fadeInMenu {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.mobile-menu-inner {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 88px 32px 48px;
  gap: 40px;
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.mobile-nav a {
  display: block;
  color: rgba(255, 255, 255, 0.85);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: color 0.15s, padding-left 0.15s;
}
.mobile-nav a:first-child {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.mobile-nav a:hover, .mobile-nav a:active {
  color: #fff;
  padding-left: 6px;
}
.mobile-menu-cta {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: auto;
}
.mobile-menu-cta .btn {
  width: 100%;
  justify-content: center;
  font-size: 15px;
  padding: 16px 20px;
}

/* Responsive — tablet */
@media (max-width: 980px) {
  .topbar-inner { grid-template-columns: 1fr auto; gap: 12px; }
  .nav { display: none; }
  .topbar-cta { display: none; }
  .hamburger { display: flex; grid-column: 2; }
  .section-head, .problem-hero, .company-grid, .cta-inner { grid-template-columns: 1fr; }
  .mission-card, .mission-card:nth-child(4), .mission-card:nth-child(5) { grid-column: span 12; }
  .service-grid, .before-after, .members { grid-template-columns: 1fr; }
  .process-rail { grid-template-columns: 1fr; }
  .process-step { border-right: none; border-bottom: 1px solid var(--line); }
  .price-card { grid-template-columns: 1fr; }
  .price-left { border-right: none; border-bottom: 1px solid var(--line); padding: 36px 28px; }
  .price-right { padding: 36px 28px; }
  .price-areas { margin: 0 -28px -28px; padding: 24px 28px; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .hero { padding: 40px 0 0; }
  .hero-body { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gal-card:nth-child(n) { grid-column: span 1; }
  .company-photos { grid-template-columns: 1fr; }
  .gal-card.gal-chart { grid-column: span 1; }
  .lab-chart-head { grid-template-columns: 1fr; gap: 6px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); margin: 0 -22px; }
  .biz-grid { grid-template-columns: 1fr; }
  .biz-cta { flex-direction: column; align-items: flex-start; padding: 32px 24px; }
  .faq-q, .faq-a { padding-left: 20px; padding-right: 20px; }
}

/* Responsive — mobile */
@media (max-width: 560px) {
  .wrap { padding: 0 22px; }
  /* Topbar */
  .topbar-inner { height: 60px; gap: 8px; }
  .brand-sub { display: none; }
  .topbar-cta .btn-ghost { display: none; }
  .btn-primary { padding: 9px 14px; font-size: 12px; }
  /* Hero */
  .hero { padding: 32px 0 0; }
  .hero-title { font-size: clamp(44px, 13vw, 72px); margin-bottom: 24px; }
  .hero-lead { font-size: 14px; }
  .hero-ctas { flex-direction: column; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); margin: 0 -22px; }
  .hero-stats > div { padding: 20px 18px; }
  .stat-n { font-size: 32px; }
  .stat-patent { font-size: 22px; }
  /* Sections */
  .section-head { padding: 56px 0 32px; }
  .section-title { font-size: clamp(26px, 7vw, 40px); }
  .foot-grid { grid-template-columns: 1fr; }
  .price-amount .n { font-size: 60px; }
  /* Mission grid */
  .mission-grid { grid-template-columns: 1fr; }
  .mission-card { grid-column: span 1 !important; }
}