@charset "UTF-8";
/* SES M&A pillar page | M&A PMI AGENT */
:root {
  --navy: #0b1f33;
  --navy-dark: #071725;
  --navy-soft: #13304a;
  --gold: #b79a62;
  --gold-light: #d6c299;
  --cyan: #5cc8dc;
  --cyan-ink: #0b6f82;
  --cyan-pale: #e8f5f8;
  --bg-light: #f4f6f8;
  --line: #dfe3e8;
  --white: #fff;
  --text: #1f2731;
  --muted: #5b6672;
  --danger-ink: #8a4b2f;
  --shadow: 0 20px 50px rgba(7, 23, 37, .1);
  --container: 1180px;
  --mincho: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
  --mono: "SFMono-Regular", Consolas, "Roboto Mono", Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body { margin: 0; color: var(--text); background: var(--white); font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", "YuGothic", "Meiryo", sans-serif; font-size: 16px; line-height: 1.9; letter-spacing: .02em; overflow-wrap: anywhere; word-break: normal; line-break: strict; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
button { font: inherit; color: inherit; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.narrow { max-width: 920px; }
.skip-link { position: fixed; z-index: 9999; left: 16px; top: -80px; padding: 10px 18px; background: var(--white); color: var(--navy); border: 2px solid var(--gold); text-decoration: none; }
.skip-link:focus { top: 12px; }
.gtm-frame { display: none; visibility: hidden; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.text-link { color: var(--cyan-ink); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.text-link:hover { color: var(--navy); }

/* ===== Header ===== */
.site-header { position: sticky; z-index: 1000; top: 0; height: 72px; background: rgba(255,255,255,.97); border-bottom: 1px solid rgba(11,31,51,.08); transition: box-shadow .25s ease; }
.site-header.is-scrolled { box-shadow: 0 8px 25px rgba(7,23,37,.08); }
.header-inner { width: min(calc(100% - 32px), 1340px); height: 100%; margin: auto; display: flex; align-items: center; gap: 28px; }
.brand { display: block; width: 210px; flex: 0 0 auto; }
.brand img { width: 100%; height: auto; }
.global-nav { margin-left: auto; display: flex; align-items: center; gap: 24px; }
.global-nav a { position: relative; font-size: 14px; font-weight: 700; color: var(--navy); white-space: nowrap; text-decoration: none; }
.global-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -6px; height: 2px; background: var(--cyan); transition: right .2s ease; }
.global-nav a:hover::after { right: 0; }
.global-nav .nav-cta { display: none; }
.global-nav.is-open .nav-cta { display: block; }
main, .site-footer { overflow-x: clip; }
.menu-toggle { display: none; width: 48px; height: 48px; margin-left: auto; border: 0; padding: 12px; background: transparent; cursor: pointer; }
.menu-toggle span { display: block; width: 24px; height: 2px; margin: 5px auto; background: var(--navy); transition: transform .2s, opacity .2s; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Buttons ===== */
.button { min-height: 56px; display: inline-flex; align-items: center; justify-content: center; gap: 18px; padding: 14px 28px; border: 1px solid transparent; border-radius: 2px; font-weight: 700; line-height: 1.45; text-decoration: none; text-align: center; transition: background .2s, color .2s, border-color .2s, transform .2s; }
.button:hover { transform: translateY(-2px); }
.button .arrow { font-family: var(--mono); }
.button-header { min-height: 44px; padding: 9px 18px; background: var(--navy); color: var(--white); font-size: 13px; white-space: nowrap; }
.button-header:hover { background: var(--cyan-ink); }
.button-primary { background: var(--gold-light); color: var(--navy-dark); box-shadow: 0 12px 28px rgba(0,0,0,.22); font-size: 17px; }
.button-primary:hover { background: var(--white); }
.button-navy { background: var(--navy); color: var(--white); box-shadow: 0 12px 28px rgba(7,23,37,.18); font-size: 16px; }
.button-navy:hover { background: var(--cyan-ink); }
.button-outline { color: var(--white); border-color: rgba(255,255,255,.45); }
.button-outline:hover { color: var(--navy); background: var(--white); }
.cta-inline { margin-top: 48px; display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; }
.cta-inline small { color: var(--muted); font-size: 13px; }

/* ===== Breadcrumb ===== */
.breadcrumb { min-height: 44px; display: flex; align-items: center; }
.breadcrumb ol { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; list-style: none; margin: 0; padding: 0; font-size: 12px; color: var(--muted); }
.breadcrumb li + li::before { content: "›"; margin-right: 8px; color: var(--gold); }
.breadcrumb a { text-decoration: underline; text-underline-offset: 3px; }

/* ===== Section commons ===== */
.section { padding: 104px 0; position: relative; }
.section-light { background: var(--bg-light); }
.section-dark { background: var(--navy); color: #e7edf3; }
.section-grid-bg { background-image: linear-gradient(rgba(92,200,220,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(92,200,220,.06) 1px, transparent 1px); background-size: 48px 48px; }
.sec-head { margin-bottom: 52px; max-width: 860px; }
.sec-head.center { margin-inline: auto; text-align: center; }
.sec-index { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 14px; color: var(--cyan-ink); font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.sec-index::before { content: ""; width: 26px; height: 2px; background: currentColor; }
.section-dark .sec-index { color: var(--cyan); }
.section h2 { margin: 0 0 22px; color: var(--navy); font-family: var(--mincho); font-size: clamp(27px, 3.3vw, 44px); font-weight: 600; line-height: 1.45; letter-spacing: .03em; }
.section-dark h2 { color: var(--white); }
.lead { color: var(--muted); font-size: 16px; line-height: 2; }
.section-dark .lead { color: #c3cfda; }
.answer-box { margin: 0 0 40px; padding: 22px 26px; background: var(--white); border: 1px solid var(--line); border-top: 3px solid var(--cyan-ink); box-shadow: 0 8px 24px rgba(7,23,37,.05); }
.answer-box .answer-label { display: block; margin-bottom: 6px; color: var(--cyan-ink); font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: .14em; }
.answer-box p { margin: 0; color: var(--navy); font-weight: 700; line-height: 1.85; }
.note { margin: 28px 0 0; padding: 18px 22px; background: var(--white); border: 1px solid var(--line); color: var(--muted); font-size: 14px; line-height: 1.85; }
.section-dark .note { background: rgba(255,255,255,.04); border-color: rgba(255,255,255,.16); color: #c3cfda; }
.note strong { color: var(--navy); }
.section-dark .note strong { color: var(--gold-light); }
.related-link { margin: 26px 0 0; font-size: 15px; }
.related-link span { display: inline-block; margin-right: 8px; padding: 1px 8px; background: var(--cyan-pale); color: var(--cyan-ink); font-size: 12px; font-weight: 700; }
.section-dark .related-link span { background: rgba(92,200,220,.14); color: var(--cyan); }
.section-dark .text-link { color: var(--cyan); }
.section-dark .text-link:hover { color: var(--white); }
.split { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 64px; align-items: start; }
.split.reverse { grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); }
.photo { position: relative; margin: 0; }
.photo img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; box-shadow: var(--shadow); }
.photo figcaption { margin-top: 10px; color: var(--muted); font-size: 12px; line-height: 1.6; }
.section-dark .photo figcaption { color: #9fb0c0; }
.photo.bracket::before, .photo.bracket::after { content: ""; position: absolute; width: 56px; height: 56px; border-color: var(--cyan); border-style: solid; z-index: 1; }
.photo.bracket::before { top: -12px; left: -12px; border-width: 2px 0 0 2px; }
.photo.bracket::after { bottom: 22px; right: -12px; border-width: 0 2px 2px 0; }
.sticky-photo { position: sticky; top: 100px; }

/* ===== Hero ===== */
.hero { position: relative; padding: 40px 0 96px; overflow: hidden; color: #e7edf3; background-color: var(--navy-dark); background-image: radial-gradient(circle at 78% 30%, rgba(92,200,220,.16), transparent 42%), linear-gradient(rgba(92,200,220,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(92,200,220,.07) 1px, transparent 1px); background-size: auto, 56px 56px, 56px 56px; }
.hero .breadcrumb ol { color: #9fb0c0; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(320px, .88fr); gap: 64px; align-items: center; margin-top: 24px; }
.hero-eyebrow { display: inline-block; margin: 0 0 18px; padding: 4px 12px; border: 1px solid rgba(92,200,220,.5); color: var(--cyan); font-family: var(--mono); font-size: 12px; letter-spacing: .14em; }
.hero h1 { margin: 0 0 22px; color: var(--white); font-family: var(--mincho); font-size: clamp(31px, 4.4vw, 58px); font-weight: 600; line-height: 1.32; letter-spacing: .03em; }
.hero h1 .h1-sub { display: block; margin-bottom: 10px; color: var(--gold-light); font-family: inherit; font-size: .46em; letter-spacing: .08em; }
.hero-lead { margin: 0 0 18px; color: var(--white); font-family: var(--mincho); font-size: clamp(19px, 2vw, 25px); line-height: 1.6; }
.hero-copy { margin: 0 0 24px; max-width: 640px; color: #c3cfda; }
.kpi-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 30px; padding: 0; list-style: none; }
.kpi-tags li { padding: 3px 11px; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.04); color: #dfe8ef; font-size: 13px; font-weight: 700; }
.hero-points { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; margin: 0 0 34px; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.14); }
.hero-points li { position: relative; padding: 13px 10px 13px 28px; border-bottom: 1px solid rgba(255,255,255,.14); font-size: 14px; font-weight: 700; line-height: 1.6; }
.hero-points li::before { content: ""; position: absolute; left: 4px; top: 21px; width: 12px; height: 7px; border-left: 2px solid var(--cyan); border-bottom: 2px solid var(--cyan); transform: rotate(-45deg); }
.cta-block { display: inline-flex; flex-direction: column; align-items: stretch; max-width: 100%; }
.cta-block small { margin-top: 10px; color: #9fb0c0; font-size: 12px; text-align: center; }
.hero-visual { position: relative; margin: 0; }
.hero-visual img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; box-shadow: 0 30px 60px rgba(0,0,0,.4); }
.hero-visual::before, .hero-visual::after { content: ""; position: absolute; width: 72px; height: 72px; border: 2px solid var(--cyan); z-index: 1; }
.hero-visual::before { top: -14px; right: -14px; border-width: 2px 2px 0 0; }
.hero-visual::after { bottom: -14px; left: -14px; border-width: 0 0 2px 2px; }
.hero-chip { position: absolute; z-index: 2; padding: 10px 14px; background: rgba(7,23,37,.86); border: 1px solid rgba(92,200,220,.45); color: var(--white); font-size: 12px; line-height: 1.5; backdrop-filter: blur(6px); }
.hero-chip b { display: block; color: var(--cyan); font-family: var(--mono); font-size: 11px; letter-spacing: .12em; }
.hero-chip.c1 { left: -26px; top: 18%; }
.hero-chip.c2 { right: -18px; bottom: 16%; }

/* ===== TOC ===== */
.toc { padding: 44px 0; background: var(--white); border-bottom: 1px solid var(--line); }
.toc-inner { display: grid; grid-template-columns: 220px 1fr; gap: 32px; align-items: start; }
.toc-title { margin: 0; color: var(--navy); font-family: var(--mincho); font-size: 22px; font-weight: 600; line-height: 1.5; }
.toc-title small { display: block; color: var(--cyan-ink); font-family: var(--mono); font-size: 11px; letter-spacing: .16em; }
.toc ol { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 24px; margin: 0; padding: 0; list-style: none; counter-reset: toc; }
.toc li { counter-increment: toc; border-bottom: 1px dashed var(--line); }
.toc a { display: flex; gap: 10px; padding: 10px 0; font-size: 14px; font-weight: 700; color: var(--navy); text-decoration: none; line-height: 1.55; }
.toc a::before { content: counter(toc, decimal-leading-zero); color: var(--cyan-ink); font-family: var(--mono); font-size: 12px; padding-top: 2px; }
.toc a:hover { color: var(--cyan-ink); }
.updated { margin: 18px 0 0; color: var(--muted); font-size: 12px; }

/* ===== Valuation formula ===== */
.formula { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; gap: 12px; align-items: stretch; margin: 0 0 20px; }
.formula-card { display: flex; flex-direction: column; padding: 24px 20px; background: var(--white); border: 1px solid var(--line); }
.formula-card .f-tag { color: var(--cyan-ink); font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: .14em; }
.formula-card h3 { margin: 6px 0 12px; color: var(--navy); font-size: 19px; line-height: 1.5; }
.formula-card ul { margin: 0; padding: 0; list-style: none; font-size: 14px; line-height: 1.7; }
.formula-card li { padding: 5px 0; border-top: 1px dashed var(--line); }
.formula-op { display: grid; place-items: center; color: var(--gold); font-family: var(--mono); font-size: 30px; font-weight: 700; }
.formula-card.result { background: var(--navy); border-color: var(--navy); color: #dfe8ef; justify-content: center; }
.formula-card.result h3 { color: var(--white); font-family: var(--mincho); font-size: 24px; }
.formula-card.result .f-tag { color: var(--cyan); }
.formula-card.result p { margin: 0; font-size: 14px; line-height: 1.8; }
.valuation-body { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 56px; margin-top: 56px; align-items: start; }
.valuation-body h3 { margin: 0 0 12px; color: var(--navy); font-size: 20px; }
.valuation-body p { color: var(--text); }

/* ===== Multiple ===== */
.multiple-hero { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 56px; align-items: center; }
.big-number { margin: 0 0 12px; font-family: var(--mincho); color: var(--gold-light); font-size: clamp(64px, 10vw, 128px); line-height: 1; letter-spacing: 0; }
.big-number small { font-size: .3em; color: #c3cfda; margin-left: 8px; letter-spacing: .06em; }
.driver-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 0; padding: 0; list-style: none; }
.driver-grid li { display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.035); font-size: 14px; line-height: 1.6; }
.driver-grid li b { display: block; color: var(--white); font-size: 15px; }
.driver-grid li span { color: #aebdcb; font-size: 13px; }
.driver-grid .d-icon { flex: 0 0 auto; width: 30px; height: 30px; display: grid; place-items: center; border: 1px solid var(--cyan); color: var(--cyan); font-family: var(--mono); font-size: 11px; font-weight: 700; }
.driver-groups { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 44px; }
.driver-group { padding: 22px; border-top: 2px solid var(--cyan); background: rgba(255,255,255,.03); }
.driver-group h3 { margin: 0 0 10px; color: var(--white); font-size: 17px; }
.driver-group p { margin: 0; color: #c3cfda; font-size: 14px; line-height: 1.85; }
.disclaimer { margin-top: 36px; padding: 20px 24px; border: 1px solid var(--gold); background: rgba(183,154,98,.08); color: #f1e9d8; font-size: 14px; line-height: 1.9; }
.disclaimer b { color: var(--gold-light); }

/* ===== 10 factors ===== */
.factor-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); border-left: 1px solid var(--line); background: var(--white); }
.factor-grid li { position: relative; padding: 24px 20px 22px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.factor-grid .f-no { display: block; color: var(--cyan-ink); font-family: var(--mono); font-size: 13px; font-weight: 700; }
.factor-grid h3 { margin: 6px 0 8px; color: var(--navy); font-size: 17px; line-height: 1.5; }
.factor-grid p { margin: 0 0 10px; color: var(--muted); font-size: 13px; line-height: 1.75; }
.factor-grid .f-cat { display: inline-block; padding: 1px 8px; font-size: 11px; font-weight: 700; background: var(--bg-light); color: var(--navy); }
.factor-grid .f-cat.cat-rev { background: var(--cyan-pale); color: var(--cyan-ink); }
.factor-grid .f-cat.cat-hr { background: #f3eee3; color: #75613a; }
.factor-grid .f-cat.cat-risk { background: #f1eeee; color: var(--danger-ink); }
.factor-legend { display: flex; flex-wrap: wrap; gap: 14px; margin: 0 0 16px; padding: 0; list-style: none; font-size: 13px; color: var(--muted); }
.factor-intro { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 48px; align-items: center; margin-bottom: 44px; }

/* ===== Engineer value ===== */
.calc-flow { margin: 0; padding: 0; list-style: none; counter-reset: flow; }
.calc-flow li { position: relative; display: grid; grid-template-columns: 52px 1fr; gap: 16px; padding: 0 0 26px; }
.calc-flow li:not(:last-child)::after { content: ""; position: absolute; left: 25px; top: 52px; bottom: 4px; width: 2px; background: linear-gradient(var(--cyan-ink), rgba(11,111,130,.15)); }
.calc-flow .cf-no { width: 52px; height: 52px; display: grid; place-items: center; background: var(--navy); color: var(--cyan); font-family: var(--mono); font-size: 14px; font-weight: 700; }
.calc-flow li:last-child .cf-no { background: var(--gold); color: var(--navy-dark); }
.calc-flow h3 { margin: 4px 0 4px; color: var(--navy); font-size: 18px; }
.calc-flow p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.formula-line { margin: 30px 0 0; padding: 18px 20px; background: var(--navy); color: var(--white); font-size: 15px; line-height: 1.9; }
.formula-line code { font-family: var(--mono); color: var(--cyan); font-size: 14px; }
.calculator { margin-top: 56px; padding: 32px; background: var(--white); border: 1px solid var(--line); box-shadow: var(--shadow); }
.calculator h3 { margin: 0 0 6px; color: var(--navy); font-size: 21px; }
.calculator > p { color: var(--muted); font-size: 14px; }
.calc-form { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin: 18px 0 22px; }
.calc-form label { display: block; color: var(--navy); font-size: 13px; font-weight: 700; line-height: 1.5; }
.calc-form input { width: 100%; min-height: 48px; margin-top: 6px; padding: 8px 12px; border: 1px solid #b9c3cd; border-radius: 2px; background: var(--bg-light); color: var(--navy); font: 700 18px/1.2 var(--mono); }
.calc-form input:focus { outline: 3px solid var(--cyan); outline-offset: 0; background: var(--white); }
.calc-result { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin: 0; background: var(--line); border: 1px solid var(--line); }
.calc-result div { padding: 16px; background: var(--bg-light); }
.calc-result dt { color: var(--muted); font-size: 12px; font-weight: 700; }
.calc-result dd { margin: 4px 0 0; color: var(--navy); font: 700 21px/1.3 var(--mono); }
.calc-note { margin: 14px 0 0; color: var(--muted); font-size: 12px; line-height: 1.8; }

/* ===== Compare ===== */
.compare { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0; box-shadow: var(--shadow); }
.compare-col { padding: 34px 32px; background: var(--white); }
.compare-col.high { border-top: 4px solid var(--cyan-ink); }
.compare-col.low { border-top: 4px solid var(--gold); background: #fbfaf7; }
.compare-col h3 { display: flex; align-items: center; gap: 12px; margin: 0 0 18px; color: var(--navy); font-size: 20px; }
.compare-col h3 span { padding: 2px 10px; font-family: var(--mono); font-size: 11px; letter-spacing: .12em; color: var(--white); background: var(--cyan-ink); }
.compare-col.low h3 span { background: var(--gold); color: var(--navy-dark); }
.compare-col ul { margin: 0; padding: 0; list-style: none; }
.compare-col li { position: relative; padding: 10px 0 10px 30px; border-bottom: 1px dashed var(--line); font-size: 15px; line-height: 1.6; }
.compare-col li::before { position: absolute; left: 2px; top: 10px; font-family: var(--mono); font-weight: 700; }
.compare-col.high li::before { content: "+"; color: var(--cyan-ink); font-size: 18px; }
.compare-col.low li::before { content: "−"; color: var(--gold); font-size: 18px; }
.compare-col li small { display: block; color: var(--muted); font-size: 12px; }

/* ===== Buyers ===== */
.buyer-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 0; padding: 0; list-style: none; }
.buyer-grid li { padding: 26px 24px; background: var(--white); border: 1px solid var(--line); }
.buyer-grid .b-no { color: var(--cyan-ink); font-family: var(--mono); font-size: 12px; font-weight: 700; }
.buyer-grid h3 { margin: 6px 0 8px; color: var(--navy); font-size: 18px; line-height: 1.5; }
.buyer-grid p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.buyer-example { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0; margin-top: 44px; border: 1px solid var(--line); background: var(--white); }
.buyer-example > div { padding: 30px; }
.buyer-example > div + div { border-left: 1px solid var(--line); background: var(--bg-light); }
.buyer-example h3 { margin: 0 0 14px; color: var(--navy); font-size: 19px; }
.buyer-example .tag { display: inline-block; margin-bottom: 10px; padding: 2px 10px; background: var(--navy); color: var(--white); font-size: 11px; font-weight: 700; letter-spacing: .08em; }
.spec { margin: 0; display: grid; grid-template-columns: 76px 1fr; gap: 0; }
.spec dt, .spec dd { margin: 0; padding: 9px 0; border-bottom: 1px dashed var(--line); font-size: 14px; }
.spec dt { color: var(--cyan-ink); font-weight: 700; }
.buyer-split { display: grid; grid-template-columns: 320px minmax(0, 1fr); gap: 48px; align-items: start; }

/* ===== Why buy (hub) ===== */
.hub { position: relative; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-bottom: 48px; }
.hub-center { grid-column: 2; grid-row: 2; display: grid; place-content: center; min-height: 150px; padding: 18px; background: var(--gold); color: var(--navy-dark); text-align: center; font-family: var(--mincho); font-size: 22px; font-weight: 600; line-height: 1.45; }
.hub-center small { display: block; font-family: var(--mono); font-size: 11px; letter-spacing: .14em; }
.hub-item { padding: 18px 18px 16px; border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.035); }
.hub-item h3 { margin: 0 0 4px; color: var(--white); font-size: 16px; line-height: 1.5; }
.hub-item h3::before { content: "→ "; color: var(--cyan); font-family: var(--mono); }
.hub-item p { margin: 0; color: #b8c6d3; font-size: 13px; line-height: 1.75; }
.tech-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin: 0; padding: 0; list-style: none; }
.tech-strip li { position: relative; overflow: hidden; background: var(--navy-dark); }
.tech-strip img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; opacity: .9; }
.tech-strip .tech-cap { position: absolute; left: 0; right: 0; bottom: 0; padding: 48px 16px 16px; background: linear-gradient(transparent, rgba(7,23,37,.94) 52%); }
.tech-strip h3 { margin: 0; color: var(--white); font-size: 17px; line-height: 1.4; }
.tech-strip p { margin: 4px 0 0; color: #c3cfda; font-size: 12.5px; line-height: 1.7; }
.tech-strip .tech-label { display: block; color: var(--cyan); font-family: var(--mono); font-size: 11px; letter-spacing: .14em; }

/* ===== Tables ===== */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--line); background: var(--white); }
.table-wrap:focus-visible { outline: 3px solid var(--cyan); }
table { width: 100%; border-collapse: collapse; }
caption { padding: 12px 16px; text-align: left; color: var(--muted); font-size: 13px; caption-side: bottom; }
th, td { padding: 15px 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; font-size: 14.5px; line-height: 1.7; }
thead th { background: var(--navy); color: var(--white); font-size: 14px; white-space: nowrap; }
thead th:nth-child(2) { background: var(--navy-soft); }
thead th:nth-child(3) { background: var(--cyan-ink); }
tbody th { width: 150px; background: var(--bg-light); color: var(--navy); font-weight: 700; white-space: nowrap; }
.scheme-table { min-width: 680px; }
.scheme-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-bottom: 32px; }
.scheme-card { padding: 26px; background: var(--white); border: 1px solid var(--line); }
.scheme-card .s-tag { color: var(--cyan-ink); font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: .14em; }
.scheme-card h3 { margin: 4px 0 10px; color: var(--navy); font-size: 21px; }
.scheme-card p { margin: 0; color: var(--muted); font-size: 14px; }
.scheme-diagram { display: flex; align-items: center; justify-content: center; gap: 10px; margin: 16px 0 14px; padding: 18px 10px; background: var(--bg-light); font-size: 13px; font-weight: 700; color: var(--navy); text-align: center; }
.scheme-diagram .box { padding: 10px 12px; border: 1px solid var(--navy); background: var(--white); line-height: 1.5; }
.scheme-diagram .box.moving { border-color: var(--cyan-ink); background: var(--cyan-pale); color: var(--cyan-ink); }
.scheme-diagram .arr { font-family: var(--mono); color: var(--gold); font-size: 20px; }
.scheme-diagram .nest { padding: 8px; border: 1px dashed var(--navy); background: var(--white); }
.scheme-diagram .nest .box { margin-top: 6px; }

/* ===== Compliance / diagrams ===== */
.flow-chain { display: flex; flex-direction: column; gap: 0; margin: 0; padding: 0; list-style: none; }
.flow-chain li { position: relative; display: grid; grid-template-columns: 1fr 120px; gap: 12px; align-items: center; }
.flow-chain .node { padding: 14px 18px; background: var(--white); border: 1px solid var(--line); color: var(--navy); font-weight: 700; font-size: 15px; line-height: 1.5; }
.flow-chain .node small { display: block; color: var(--muted); font-weight: 400; font-size: 12px; }
.flow-chain li:nth-child(1) .node { border-left: 4px solid var(--navy); }
.flow-chain li:nth-child(2) .node { border-left: 4px solid var(--navy-soft); margin-left: 6%; }
.flow-chain li:nth-child(3) .node { border-left: 4px solid var(--cyan-ink); margin-left: 12%; }
.flow-chain li:nth-child(4) .node { border-left: 4px solid var(--gold); margin-left: 18%; }
.flow-chain li:nth-child(5) .node { border-left: 4px solid #c9b48a; margin-left: 24%; }
.flow-chain .gap { height: 22px; margin-left: 30px; border-left: 2px dashed #9fb0c0; }
.flow-chain .meter { font-size: 12px; color: var(--muted); line-height: 1.4; }
.flow-chain .meter i { display: block; height: 8px; margin-top: 4px; background: var(--cyan-ink); }
.diagram-card { padding: 28px; background: var(--bg-light); border: 1px solid var(--line); }
.diagram-card h3 { margin: 0 0 6px; color: var(--navy); font-size: 19px; }
.diagram-card > p { color: var(--muted); font-size: 14px; }
.diagram-pair { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; margin-bottom: 44px; }
.contract-map { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 6px 10px; align-items: center; text-align: center; font-size: 13px; }
.contract-map .party { padding: 14px 8px; background: var(--white); border: 1px solid var(--navy); color: var(--navy); font-weight: 700; line-height: 1.5; }
.contract-map .party.self { background: var(--navy); color: var(--white); }
.contract-map .party small { display: block; font-size: 11px; font-weight: 400; line-height: 1.4; }
.contract-map .party.buyer { border-style: dashed; border-color: var(--gold); color: #75613a; }
.contract-map .rel { padding: 6px 4px; color: var(--cyan-ink); font-weight: 700; font-size: 12px; line-height: 1.45; }
.contract-map .rel::before { display: block; font-family: var(--mono); color: var(--gold); font-size: 16px; }
.contract-map .rel.h::before { content: "⇄"; }
.contract-map .rel.v::before { content: "⇅"; }
.check-points { margin: 18px 0 0; padding: 0; list-style: none; font-size: 13px; }
.check-points li { padding: 6px 0 6px 22px; position: relative; border-top: 1px dashed var(--line); line-height: 1.6; }
.check-points li::before { content: "!"; position: absolute; left: 2px; top: 6px; width: 14px; height: 14px; border-radius: 50%; background: var(--gold); color: var(--white); font: 700 10px/14px var(--mono); text-align: center; }
.term-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.term-grid > div { padding: 22px 20px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--white); }
.term-grid dt { color: var(--navy); font-size: 16px; font-weight: 700; line-height: 1.5; }
.term-grid dt span { display: block; color: var(--cyan-ink); font-family: var(--mono); font-size: 11px; letter-spacing: .1em; }
.term-grid dd { margin: 6px 0 0; color: var(--muted); font-size: 13.5px; line-height: 1.8; }
.term-grid dd b { color: var(--navy); }

/* ===== Checklists ===== */
.checklist-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.checklist { padding: 24px; background: var(--white); border: 1px solid var(--line); }
.checklist h3 { display: flex; justify-content: space-between; align-items: baseline; margin: 0 0 10px; color: var(--navy); font-size: 17px; }
.checklist h3 span { color: var(--cyan-ink); font-family: var(--mono); font-size: 11px; letter-spacing: .12em; }
.checklist ul { margin: 0; padding: 0; list-style: none; }
.checklist li { position: relative; padding: 8px 0 8px 30px; border-top: 1px dashed var(--line); font-size: 14px; line-height: 1.6; }
.checklist li::before { content: ""; position: absolute; left: 0; top: 10px; width: 18px; height: 18px; border: 2px solid var(--cyan-ink); border-radius: 2px; }
.checklist li::after { content: ""; position: absolute; left: 6px; top: 12px; width: 6px; height: 11px; border-right: 2px solid var(--cyan-ink); border-bottom: 2px solid var(--cyan-ink); transform: rotate(45deg); }
.checklist li.ses::after, .checklist li.ses::before { border-color: var(--gold); }
.checklist li small { display: block; color: var(--muted); font-size: 12px; }
.checklist-legend { display: flex; flex-wrap: wrap; gap: 18px; margin: 0 0 18px; font-size: 13px; color: var(--muted); }
.checklist-legend span::before { content: ""; display: inline-block; width: 12px; height: 12px; margin-right: 6px; border: 2px solid var(--cyan-ink); vertical-align: -1px; }
.checklist-legend span.ses::before { border-color: var(--gold); }
.dd-block { display: grid; grid-template-columns: 320px minmax(0, 1fr); gap: 48px; margin-top: 64px; align-items: start; }
.dd-table { min-width: 560px; }
.dd-table td:first-child { width: 120px; color: var(--navy); font-weight: 700; white-space: nowrap; }

/* ===== Timeline ===== */
.timeline { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 0; margin: 0; padding: 0; list-style: none; counter-reset: step; }
.timeline li { position: relative; padding: 0 12px 28px 0; counter-increment: step; }
.timeline li::before { content: counter(step, decimal-leading-zero); display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 14px; background: var(--navy-dark); border: 1px solid var(--cyan); color: var(--cyan); font: 700 14px/1 var(--mono); position: relative; z-index: 1; }
.timeline li::after { content: ""; position: absolute; top: 22px; left: 44px; right: 0; height: 1px; background: rgba(92,200,220,.45); }
.timeline li:nth-child(7)::after, .timeline li:last-child::after { display: none; }
.timeline .phase { display: block; color: var(--gold-light); font-size: 11px; font-weight: 700; letter-spacing: .08em; }
.timeline h3 { margin: 2px 0 6px; color: var(--white); font-size: 16px; line-height: 1.45; }
.timeline p { margin: 0; color: #b8c6d3; font-size: 13px; line-height: 1.75; }
.timeline li.key::before { background: var(--gold); border-color: var(--gold); color: var(--navy-dark); }
.flow-photos { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 40px 0; }
.flow-photos figure { margin: 0; }
.flow-photos img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.flow-photos figcaption { margin-top: 8px; color: #b8c6d3; font-size: 13px; }
.flow-photos figcaption b { color: var(--cyan); font-family: var(--mono); font-size: 11px; letter-spacing: .12em; margin-right: 6px; }
.disclosure { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border: 1px solid rgba(255,255,255,.16); }
.disclosure > div { padding: 22px; }
.disclosure > div + div { border-left: 1px solid rgba(255,255,255,.16); }
.disclosure h4 { margin: 0 0 8px; color: var(--white); font-size: 17px; line-height: 1.5; }
.disclosure .when { display: inline-block; margin-bottom: 8px; padding: 2px 10px; background: rgba(92,200,220,.14); color: var(--cyan); font-size: 12px; font-weight: 700; }
.disclosure p { margin: 0; color: #c3cfda; font-size: 14px; line-height: 1.85; }
.disclosure-title { margin: 0 0 16px; color: var(--white); font-family: var(--mincho); font-size: 24px; font-weight: 600; }

/* ===== Market ===== */
.market-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.market-grid li { padding: 22px 20px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--white); }
.market-grid h3 { margin: 0 0 6px; color: var(--navy); font-size: 16px; }
.market-grid h3 span { display: block; color: var(--cyan-ink); font-family: var(--mono); font-size: 11px; letter-spacing: .12em; }
.market-grid p { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.8; }
.stat-card { margin: 0 0 36px; padding: 26px 28px; background: var(--navy); color: #dfe8ef; }
.stat-card .stat { display: block; color: var(--gold-light); font-family: var(--mincho); font-size: clamp(36px, 5vw, 54px); line-height: 1.2; }
.stat-card p { margin: 8px 0 0; font-size: 14px; line-height: 1.85; }
.stat-card cite { display: block; margin-top: 10px; color: #9fb0c0; font-size: 12px; font-style: normal; }
.stat-card a { color: var(--cyan); }

/* ===== Reasons ===== */
.reason-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 0; padding: 0; list-style: none; }
.reason-grid li { padding: 28px 24px; background: var(--white); border: 1px solid var(--line); border-top: 3px solid var(--navy); }
.reason-grid .r-no { color: var(--gold); font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: .12em; }
.reason-grid h3 { margin: 6px 0 10px; color: var(--navy); font-size: 18px; line-height: 1.5; }
.reason-grid p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.85; }
.supervisor { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 24px; margin-top: 40px; padding: 28px; background: var(--white); border: 1px solid var(--line); }
.supervisor .mono { display: grid; place-items: center; width: 96px; height: 96px; background: var(--navy); color: var(--gold-light); font-family: var(--mincho); font-size: 30px; }
.supervisor h3 { margin: 0 0 6px; color: var(--navy); font-size: 18px; }
.supervisor h3 small { display: block; color: var(--cyan-ink); font-size: 12px; font-weight: 700; }
.supervisor p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.85; }

/* ===== Price ===== */
.zero-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin: 0 0 32px; padding: 0; list-style: none; border: 1px solid var(--line); background: var(--white); }
.zero-grid li { padding: 22px 14px; text-align: center; }
.zero-grid li + li { border-left: 1px solid var(--line); }
.zero-grid b { display: block; color: var(--navy); font-family: var(--mincho); font-size: 40px; line-height: 1.1; }
.zero-grid b small { font-size: 16px; margin-left: 2px; }
.zero-grid span { color: var(--muted); font-size: 13px; font-weight: 700; }
.price-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; align-items: start; }
.price-layout h3 { margin: 0 0 12px; color: var(--navy); font-size: 19px; }
.rate-list { margin: 0; padding: 0; list-style: none; border: 1px solid var(--line); background: var(--white); }
.rate-list li { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--line); font-size: 15px; }
.rate-list li:last-child { border-bottom: 0; }
.rate-list b { color: var(--cyan-ink); font: 700 22px/1 var(--mono); }
.example-list { margin: 0; padding: 0; list-style: none; }
.example-list li { padding: 16px 18px; margin-bottom: 10px; background: var(--white); border: 1px solid var(--line); }
.example-list .ex-top { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.example-list .ex-amount { color: var(--navy); font-weight: 700; }
.example-list .ex-fee { color: var(--navy); font: 700 20px/1.2 var(--mono); }
.example-list p { margin: 4px 0 0; color: var(--muted); font-size: 13px; line-height: 1.7; }

/* ===== FAQ ===== */
.faq-list { display: grid; gap: 10px; }
.faq-item { background: var(--white); border: 1px solid var(--line); }
.faq-item summary { position: relative; display: flex; gap: 14px; padding: 20px 56px 20px 20px; cursor: pointer; list-style: none; color: var(--navy); font-size: 16px; font-weight: 700; line-height: 1.6; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before { content: "Q"; flex: 0 0 auto; width: 30px; height: 30px; display: grid; place-items: center; background: var(--navy); color: var(--cyan); font: 700 14px/1 var(--mono); }
.faq-item summary::after { content: ""; position: absolute; right: 22px; top: 28px; width: 10px; height: 10px; border-right: 2px solid var(--navy); border-bottom: 2px solid var(--navy); transform: rotate(45deg); transition: transform .2s; }
.faq-item[open] summary::after { transform: rotate(-135deg); top: 32px; }
.faq-q { margin: 0; font-size: inherit; font-weight: inherit; line-height: inherit; color: inherit; }
.faq-item summary:hover { background: var(--bg-light); }
.faq-answer { display: flex; gap: 14px; padding: 0 22px 22px 20px; }
.faq-answer::before { content: "A"; flex: 0 0 auto; width: 30px; height: 30px; display: grid; place-items: center; background: var(--gold); color: var(--navy-dark); font: 700 14px/1 var(--mono); }
.faq-answer p { margin: 2px 0 0; color: var(--text); font-size: 15px; line-height: 1.95; }

/* ===== Final CTA ===== */
.final-cta { position: relative; overflow: hidden; padding: 0; background: var(--navy-dark); color: #dfe8ef; }
.final-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); align-items: stretch; }
.final-copy { padding: 96px 56px 96px max(20px, calc((100vw - var(--container)) / 2)); background-image: linear-gradient(rgba(92,200,220,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(92,200,220,.06) 1px, transparent 1px); background-size: 48px 48px; }
.final-copy h2 { margin: 0 0 22px; color: var(--white); font-family: var(--mincho); font-size: clamp(28px, 3.4vw, 44px); font-weight: 600; line-height: 1.45; }
.final-copy p { color: #c3cfda; }
.final-copy ul { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 22px 0 0; padding: 0; list-style: none; font-size: 13px; color: #c3cfda; }
.final-copy ul li::before { content: "✓ "; color: var(--cyan); }
.final-tel { margin-top: 18px; font-size: 14px; }
.final-tel a { color: var(--white); font: 700 20px/1.4 var(--mono); text-decoration: none; border-bottom: 1px solid rgba(255,255,255,.4); }
.final-photo { margin: 0; min-height: 100%; }
.final-photo img { width: 100%; height: 100%; min-height: 520px; object-fit: cover; }

/* ===== Articles ===== */
.article-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 0; padding: 0; list-style: none; }
.article-grid a { display: flex; flex-direction: column; height: 100%; padding: 24px; background: var(--white); border: 1px solid var(--line); text-decoration: none; transition: border-color .2s, transform .2s, box-shadow .2s; }
.article-grid a:hover { border-color: var(--cyan-ink); transform: translateY(-3px); box-shadow: var(--shadow); }
.article-grid .a-cat { color: var(--cyan-ink); font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: .12em; }
.article-grid h3 { margin: 8px 0 10px; color: var(--navy); font-size: 17px; line-height: 1.6; }
.article-grid p { flex: 1; margin: 0 0 14px; color: var(--muted); font-size: 13.5px; line-height: 1.8; }
.article-grid .a-more { color: var(--navy); font-size: 13px; font-weight: 700; }
.article-grid .a-more::after { content: " →"; font-family: var(--mono); color: var(--cyan-ink); }

/* ===== Footer ===== */
.site-footer { padding: 64px 0 28px; background: #06111c; color: #b8c6d3; }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) auto; gap: 48px; align-items: start; }
.footer-logo { display: block; width: 220px; }
.footer-logo img { filter: brightness(0) invert(1); }
.company-name { margin: 18px 0 6px; color: var(--white); font-weight: 700; }
.site-footer address { font-style: normal; font-size: 13px; line-height: 1.9; }
.site-footer address a { color: var(--white); }
.footer-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 24px; font-size: 13px; }
.footer-nav a { color: #dfe8ef; text-decoration: none; }
.footer-nav a:hover { color: var(--cyan); text-decoration: underline; }
.copyright { margin-top: 44px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); font-size: 12px; }

/* ===== Mobile fixed CTA ===== */
.mobile-fixed-cta { display: none; }

/* ===== Responsive ===== */
@media (max-width: 1100px) {
  .global-nav { gap: 16px; }
  .global-nav a { font-size: 13px; }
  .factor-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .timeline { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .timeline li:nth-child(7)::after { display: block; }
  .timeline li:nth-child(4n)::after { display: none; }
  .formula { grid-template-columns: 1fr 1fr; }
  .formula-op { display: none; }
}

@media (max-width: 1180px) {
  .menu-toggle { display: block; }
  .button-header { display: none; }
  .global-nav { position: fixed; top: 72px; left: 0; right: 0; bottom: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; margin: 0; padding: 12px 20px 120px; background: var(--white); overflow-y: auto; }
  .global-nav.is-open { display: flex; }
  .global-nav a { padding: 16px 4px; border-bottom: 1px solid var(--line); font-size: 16px; }
  .global-nav a::after { display: none; }
  .global-nav .nav-cta { margin-top: 20px; padding: 16px; border: 0; background: var(--navy); color: var(--white); text-align: center; }
}

@media (max-width: 960px) {
  .site-header { height: 64px; }
  html { scroll-padding-top: 72px; }
  .brand { width: 180px; }
  .menu-toggle { display: block; }
  .button-header { display: none; }
  .global-nav { top: 64px; }
  .section { padding: 76px 0; }
  .hero { padding: 16px 0 64px; }
  .hero-grid, .split, .split.reverse, .multiple-hero, .valuation-body, .factor-intro, .buyer-split, .dd-block, .final-grid, .price-layout { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .hero-visual { max-width: 460px; margin-inline: auto; width: calc(100% - 20px); }
  .hero-chip.c1 { left: -10px; }
  .hero-chip.c2 { right: -10px; }
  .sticky-photo { position: static; }
  .split .photo, .valuation-body .photo, .factor-intro .photo, .buyer-split .photo, .dd-block .photo { max-width: 440px; margin-inline: auto; width: 100%; }
  .toc-inner { grid-template-columns: 1fr; gap: 12px; }
  .toc ol { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .driver-groups, .buyer-grid, .reason-grid, .article-grid, .checklist-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tech-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .market-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .term-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .diagram-pair { grid-template-columns: 1fr; }
  .calc-form, .calc-result { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .final-copy { padding: 72px 20px; }
  .final-photo img { min-height: 0; aspect-ratio: 4 / 3; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .flow-photos { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
}

@media (max-width: 640px) {
  body { font-size: 15.5px; line-height: 1.85; }
  .container { width: calc(100% - 32px); }
  .section h2 { font-size: clamp(25px, 7vw, 30px); }
  .sec-head { margin-bottom: 36px; }
  .hero h1 { font-size: clamp(29px, 8.4vw, 36px); }
  .hero-points { grid-template-columns: 1fr; }
  .cta-block, .cta-block .button { width: 100%; }
  .button-primary, .button-navy { width: 100%; font-size: 16px; padding: 14px 18px; }
  .cta-inline { align-items: stretch; }
  .toc ol { grid-template-columns: 1fr; }
  .formula { grid-template-columns: 1fr; gap: 0; }
  .formula-op { display: grid; padding: 4px 0; font-size: 24px; }
  .driver-grid { grid-template-columns: 1fr; }
  .driver-groups, .buyer-grid, .reason-grid, .article-grid, .checklist-grid, .market-grid, .term-grid { grid-template-columns: 1fr; }
  .factor-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .factor-grid li { padding: 18px 14px; }
  .factor-grid h3 { font-size: 15px; }
  .factor-grid p { font-size: 12.5px; }
  .compare { grid-template-columns: 1fr; }
  .compare-col { padding: 26px 20px; }
  .hub { grid-template-columns: 1fr 1fr; }
  .hub-center { grid-column: 1 / -1; grid-row: 1; min-height: 100px; font-size: 20px; }
  .tech-strip { grid-template-columns: 1fr 1fr; gap: 10px; }
  .tech-strip .tech-cap { padding: 36px 10px 10px; }
  .tech-strip h3 { font-size: 15px; }
  .tech-strip p { display: none; }
  .buyer-example { grid-template-columns: 1fr; }
  .buyer-example > div + div { border-left: 0; border-top: 1px solid var(--line); }
  .buyer-example > div { padding: 22px 18px; }
  .scheme-cards { grid-template-columns: 1fr; }
  .flow-chain li { grid-template-columns: 1fr 76px; }
  .flow-chain li .node { margin-left: 0 !important; }
  .flow-chain .node { padding: 12px 12px; font-size: 14px; }
  .contract-map { font-size: 12px; gap: 6px; }
  .contract-map .party { padding: 10px 4px; }
  .timeline { grid-template-columns: 1fr; }
  .timeline li { display: grid; grid-template-columns: 44px 1fr; column-gap: 14px; padding: 0 0 20px; }
  .timeline li::before { grid-row: 1 / span 3; margin: 0; }
  .timeline li::after { display: block !important; top: 44px; left: 22px; right: auto; bottom: 0; width: 1px; height: auto; }
  .timeline li:last-child::after { display: none !important; }
  .flow-photos { grid-template-columns: 1fr 1fr 1fr; gap: 6px; }
  .flow-photos figcaption { font-size: 11px; line-height: 1.5; }
  .flow-photos figcaption b { display: block; }
  .disclosure { grid-template-columns: 1fr; }
  .disclosure > div + div { border-left: 0; border-top: 1px solid rgba(255,255,255,.16); }
  .zero-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .zero-grid li:nth-child(3) { border-left: 0; }
  .zero-grid li:nth-child(n+3) { border-top: 1px solid var(--line); }
  .supervisor { grid-template-columns: 1fr; }
  .calculator { padding: 22px 16px; }
  .calc-result dd { font-size: 17px; }
  th, td { padding: 12px 12px; font-size: 13.5px; }
  tbody th { width: 96px; white-space: normal; }
  .faq-item summary { padding: 16px 46px 16px 14px; font-size: 15px; }
  .faq-item summary::after { right: 18px; top: 24px; }
  .faq-item[open] summary::after { top: 28px; }
  .faq-answer { padding: 0 16px 18px 14px; }
  .faq-answer p { font-size: 14.5px; }
  .answer-box { padding: 18px; }
  body { padding-bottom: 76px; }
  .mobile-fixed-cta { position: fixed; z-index: 900; left: 0; right: 0; bottom: 0; display: block; padding: 10px 12px calc(10px + env(safe-area-inset-bottom)); background: rgba(255,255,255,.96); border-top: 1px solid var(--line); box-shadow: 0 -6px 20px rgba(7,23,37,.08); transition: transform .25s ease; }
  .mobile-fixed-cta.is-hidden { transform: translateY(110%); }
  .mobile-fixed-cta a { display: flex; min-height: 52px; align-items: center; justify-content: center; gap: 12px; background: var(--navy); color: var(--white); font-weight: 700; font-size: 15px; text-decoration: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}