:root {
  --surface: #f7f9fa;
  --surface-muted: #edf2f3;
  --surface-paper: #ffffff;
  --surface-dark: #132a33;
  --text: #17252b;
  --text-body: #2f4148;
  --text-muted: #465961;
  --text-on-dark: #f7fbfc;
  --text-muted-on-dark: #e1e8ea;
  --accent: #087f7a;
  --accent-soft: #a8d8d3;
  --line: #d8e1e4;
  --line-strong: #aebfc5;
  --line-dark: #405b64;
  --font-ja: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", YuGothic, Meiryo, sans-serif;
  --font-wordmark: "Helvetica Neue", Arial, sans-serif;
  --page: 1180px;
  --gutter: clamp(20px, 5vw, 56px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--surface); color: var(--text); font-family: var(--font-ja); font-size: 16px; font-weight: 400; line-height: 1.78; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
button, input, select, textarea { color: inherit; font: inherit; }
button { cursor: pointer; }
a { color: inherit; }
p, h1, h2, h3, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; }
img { display: block; max-width: 100%; }
video { display: block; max-width: 100%; }
[hidden] { display: none !important; }
.visually-hidden { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0 0 0 0) !important; white-space: nowrap !important; border: 0 !important; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

.skip-link { position: fixed; top: 10px; left: 10px; z-index: 1000; padding: 10px 14px; background: var(--surface-dark); color: #fff; text-decoration: none; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.container { width: min(100%, var(--page)); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(78px, 9vw, 116px); }
.section--compact { padding-block: clamp(72px, 8vw, 96px); }

.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; padding: 13px 22px; border: 1px solid transparent; font-size: 15px; font-weight: 700; line-height: 1.5; text-align: center; text-decoration: none; }
.button--primary { background: var(--surface-dark); color: #fff; }
.button--primary:hover { background: #2b3941; }
.button--outline { border-color: var(--text); background: transparent; color: var(--text); }
.button--outline:hover { background: var(--text); color: #fff; }
.text-link { display: inline-flex; min-height: 48px; align-items: center; gap: 18px; border-bottom: 1px solid var(--line-strong); font-size: 15px; font-weight: 700; text-decoration: none; }
.text-link span { color: var(--accent); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .96); }
.site-header__inner { display: flex; min-height: 74px; align-items: center; justify-content: space-between; gap: 28px; }
.wordmark { display: inline-flex; align-items: baseline; gap: 10px; text-decoration: none; white-space: nowrap; }
.wordmark__latin { font-family: var(--font-wordmark); font-size: 17px; font-weight: 700; letter-spacing: .16em; }
.wordmark__ja { color: var(--text-body); font-size: 14px; }
.site-nav { display: flex; align-items: center; gap: clamp(14px, 1.8vw, 25px); }
.site-nav a { min-height: 44px; display: inline-flex; align-items: center; color: var(--text-body); font-size: 14px; font-weight: 700; text-decoration: none; white-space: nowrap; }
.site-nav a:hover { color: var(--text); }
.site-nav .site-nav__cta { min-height: 44px; padding-inline: 17px; border: 1px solid var(--surface-dark); color: var(--surface-dark); }
.site-nav .site-nav__cta:hover { background: var(--surface-dark); color: #fff; }
.menu-button { position: relative; display: none; width: 48px; height: 48px; flex: 0 0 48px; border: 1px solid var(--line-strong); background: transparent; }
.menu-button span, .menu-button::before, .menu-button::after { position: absolute; left: 14px; width: 18px; height: 1px; background: var(--text); content: ""; transition: transform .2s ease, opacity .2s ease; }
.menu-button span { top: 23px; }
.menu-button::before { top: 17px; }
.menu-button::after { top: 29px; }
.menu-button[aria-expanded="true"] span { opacity: 0; }
.menu-button[aria-expanded="true"]::before { top: 23px; transform: rotate(45deg); }
.menu-button[aria-expanded="true"]::after { top: 23px; transform: rotate(-45deg); }

/* Hero */
.hero { border-bottom: 1px solid var(--line); }
.hero__inner { display: grid; grid-template-columns: minmax(0, .88fr) minmax(520px, 1.12fr); gap: clamp(40px, 4.8vw, 66px); align-items: center; min-height: calc(100vh - 74px); padding-block: clamp(70px, 8vw, 108px); }
.eyebrow { margin-bottom: 25px; color: var(--accent); font-size: 14px; font-weight: 700; }
.hero h1 { max-width: 730px; font-size: clamp(40px, 3.9vw, 52px); font-weight: 700; letter-spacing: -.02em; line-height: 1.4; word-break: auto-phrase; }
.hero h1 span { white-space: nowrap; }
.hero__lead { max-width: 690px; margin-top: 27px; color: var(--text-body); font-size: 17px; line-height: 1.8; }
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px 25px; margin-top: 34px; }
.hero__note { margin-top: 18px; color: var(--text-body); font-size: 14px; }
.briefing { position: relative; border: 1px solid var(--line-strong); background: var(--surface-paper); box-shadow: 0 16px 40px rgba(19, 42, 51, .08); }
.briefing__head { display: flex; min-height: 82px; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 20px; border-bottom: 2px solid var(--text); }
.briefing__head p { color: var(--text-body); font-size: 14px; }
.briefing__head strong { display: block; margin-top: 2px; font-size: 17px; }
.briefing__head > span { flex: none; padding: 4px 8px; border: 1px solid var(--accent-soft); color: var(--accent); font-size: 14px; font-weight: 700; }
.briefing__alert { margin: 24px 22px 20px; padding: 2px 0 2px 15px; border-left: 3px solid var(--accent); }
.briefing__alert span { color: var(--text-body); font-size: 14px; font-weight: 700; }
.briefing__alert p { margin-top: 5px; color: var(--text-body); font-size: 14px; line-height: 1.72; }
.briefing__rows { margin-inline: 22px; border-top: 1px solid var(--text); }
.briefing__rows > div { display: grid; grid-template-columns: 120px 1fr; border-bottom: 1px solid var(--line); font-size: 14px; line-height: 1.6; }
.briefing__rows dt, .briefing__rows dd { padding-block: 12px; }
.briefing__rows dt { color: var(--text-muted); }
.briefing__rows dd { font-weight: 700; }
.briefing__foot { display: flex; align-items: center; justify-content: flex-end; gap: 12px; padding: 18px 22px 21px; color: var(--text-body); font-size: 14px; }
.briefing__foot strong { color: var(--text); }
.hero-product { position: relative; min-width: 0; padding: 35px 17px 43px; }
.hero-product::before { position: absolute; inset: 0 8% 0 3%; background: #e6eeef; content: ""; }
.hero-product__browser { position: relative; z-index: 1; overflow: hidden; border: 1px solid #9cabb0; background: var(--surface-paper); box-shadow: 0 24px 60px rgba(19, 42, 51, .16); }
.hero-product__bar { display: flex; height: 35px; align-items: center; gap: 6px; padding-inline: 13px; border-bottom: 1px solid var(--line); background: #f2f5f6; }
.hero-product__bar span { width: 7px; height: 7px; border-radius: 50%; background: #a6b4b9; }
.hero-product__bar strong { margin-left: 9px; color: var(--text-muted); font-size: 11px; font-weight: 700; }
.hero-product .briefing { width: 100%; border: 0; box-shadow: none; }
.hero-product__signal { position: absolute; z-index: 2; width: 156px; padding: 10px 13px 11px; border-left: 3px solid var(--accent); background: #fff; box-shadow: 0 9px 25px rgba(19, 42, 51, .14); }
.hero-product__signal span, .hero-product__signal strong { display: block; }
.hero-product__signal span { color: var(--text-muted); font-size: 11px; }
.hero-product__signal strong { margin-top: 1px; font-size: 13px; }
.hero-product__signal--top { top: 16px; right: 0; }
.hero-product__signal--bottom { bottom: 18px; left: 0; }

/* Product overview */
.product-overview { padding-block: clamp(80px, 9vw, 116px); border-bottom: 1px solid var(--line); background: var(--surface-paper); }
.product-overview__head { display: grid; grid-template-columns: minmax(360px, 1.1fr) minmax(250px, .7fr); gap: clamp(34px, 7vw, 90px); align-items: start; margin-bottom: clamp(48px, 6vw, 72px); }
.product-overview__head h2 { font-size: clamp(29px, 3.1vw, 40px); line-height: 1.5; }
.product-overview__head > span { padding-top: 9px; color: var(--text-body); font-size: 16px; line-height: 1.8; }
.product-map { display: grid; grid-template-columns: minmax(170px, .8fr) 54px minmax(250px, 1.16fr) 54px minmax(190px, .9fr); align-items: stretch; }
.product-map__sources, .product-map__results { padding: clamp(22px, 2.5vw, 30px); border: 1px solid var(--line-strong); background: var(--surface); }
.product-map__sources > p, .product-map__results > p { margin-bottom: 17px; color: var(--text-muted); font-size: 13px; font-weight: 700; }
.product-map ul { list-style: none; }
.product-map__sources li { padding: 9px 12px; border-bottom: 1px solid var(--line); background: #fff; font-size: 14px; font-weight: 700; }
.product-map__sources li:first-child { border-top: 1px solid var(--line); }
.product-map__arrow { display: grid; place-items: center; color: var(--accent); font-size: 24px; }
.product-map__engine { position: relative; padding: clamp(28px, 3.6vw, 42px); overflow: hidden; background: var(--surface-dark); color: var(--text-on-dark); }
.product-map__engine::after { position: absolute; right: -46px; bottom: -60px; width: 170px; height: 170px; border: 1px solid var(--line-dark); border-radius: 50%; content: ""; }
.product-map__engine small { color: var(--accent-soft); font-size: 13px; font-weight: 700; }
.product-map__engine h3, .product-map__results h3 { margin: 14px 0 22px; font-size: clamp(23px, 2.4vw, 29px); line-height: 1.55; }
.product-map__engine li { position: relative; z-index: 1; padding: 9px 0 9px 18px; border-top: 1px solid var(--line-dark); color: var(--text-muted-on-dark); font-size: 14px; }
.product-map__engine li::before { position: absolute; top: 17px; left: 0; width: 6px; height: 6px; background: var(--accent-soft); content: ""; }
.product-map__results li { display: inline-block; margin: 0 6px 8px 0; padding: 7px 10px; border: 1px solid var(--line-strong); background: #fff; font-size: 14px; font-weight: 700; }

/* Common headings */
.section-heading { margin-bottom: clamp(46px, 6vw, 72px); }
.section-heading--split { display: block; }
.section-heading h2, .resource-copy h2, .contact-copy h2 { font-size: clamp(31px, 3.5vw, 42px); font-weight: 700; letter-spacing: -.01em; line-height: 1.5; }
.section-heading__lead { max-width: 760px; margin-top: 14px; color: var(--text-body); font-size: clamp(16px, 1.5vw, 18px); line-height: 1.78; }
.section-heading--dark .section-heading__lead { color: var(--text-muted-on-dark); }

/* Demo */
.demo-section { background: var(--surface-muted); }
.demo-switch { display: inline-flex; margin-bottom: 16px; border: 1px solid var(--line-strong); background: var(--surface-paper); }
.demo-switch button { min-width: 112px; padding: 11px 18px; border: 0; border-right: 1px solid var(--line-strong); background: transparent; color: var(--text-body); font: inherit; font-size: 14px; font-weight: 700; cursor: pointer; }
.demo-switch button:last-child { border-right: 0; }
.demo-switch button.is-active { background: var(--text); color: #fff; }
.demo-switch button:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.demo-showcase { display: grid; grid-template-columns: minmax(0, 1fr); border: 1px solid var(--line-strong); background: var(--surface-paper); }
.demo-movie { min-width: 0; margin: 0; background: #d7e0e3; }
.demo-device-stage { padding: clamp(16px, 2.5vw, 30px); background: #d7e0e3; }
.demo-panel[hidden] { display: none; }
.demo-browser { overflow: hidden; border: 1px solid #84969d; border-radius: 10px; background: #fff; box-shadow: 0 18px 40px rgba(19, 42, 51, .18); }
.demo-browser__bar { display: grid; height: 46px; grid-template-columns: 86px minmax(0, 1fr) 52px; align-items: center; gap: 10px; padding: 0 14px; border-bottom: 1px solid #aab8bd; background: #f5f7f8; color: #536970; }
.demo-browser__controls { display: flex; gap: 7px; }
.demo-browser__controls i { width: 11px; height: 11px; border: 1px solid #82949a; border-radius: 50%; background: #dce3e5; }
.demo-browser__address { overflow: hidden; padding: 7px 13px; border: 1px solid #c5d0d4; border-radius: 5px; background: #fff; font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.demo-browser__menu { text-align: right; font-size: 18px; letter-spacing: 2px; }
.demo-browser video { width: 100%; aspect-ratio: 16 / 9; background: #d9dee3; object-fit: contain; }
.demo-mobile { display: grid; min-height: 710px; grid-template-columns: minmax(260px, 390px) minmax(260px, 370px); align-items: center; justify-content: center; gap: clamp(42px, 8vw, 100px); padding: 42px; }
.demo-mobile__copy p { margin-bottom: 12px; color: var(--accent); font-size: 14px; font-weight: 700; }
.demo-mobile__copy h3 { margin-bottom: 17px; font-size: clamp(25px, 3vw, 34px); line-height: 1.5; }
.demo-mobile__copy span { color: var(--text-body); font-size: 16px; line-height: 1.8; }
.demo-phone { position: relative; width: min(100%, 326px); margin-inline: auto; padding: 23px 9px 25px; border: 2px solid #344c55; border-radius: 38px; background: #172c34; box-shadow: 0 24px 48px rgba(19, 42, 51, .24); }
.demo-phone__speaker { position: absolute; top: 9px; left: 50%; width: 68px; height: 5px; border-radius: 5px; background: #718289; transform: translateX(-50%); }
.demo-phone video { width: 100%; aspect-ratio: 9 / 16; border-radius: 19px; background: #edf3f5; object-fit: cover; }
.demo-summary { padding: clamp(22px, 3vw, 34px); border-top: 1px solid var(--line-strong); }
.demo-summary > p { padding-bottom: 13px; border-bottom: 2px solid var(--text); font-size: 14px; font-weight: 700; }
.demo-summary ol { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px, 3vw, 36px); list-style: none; }
.demo-summary li { display: grid; grid-template-columns: 34px 1fr; gap: 13px; padding-block: 19px; border-bottom: 1px solid var(--line); }
.demo-summary li > span { color: var(--text-body); font-size: 14px; font-weight: 700; }
.demo-summary h3 { margin-bottom: 6px; font-size: 17px; line-height: 1.5; }
.demo-summary li p { color: var(--text-body); font-size: 16px; line-height: 1.7; }
.demo-note { max-width: 900px; margin-top: 20px; color: var(--text-body); font-size: 14px; line-height: 1.7; }
.demo-cta { margin-top: 27px; }

/* Outcomes */
.outcome-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px, 2.5vw, 30px); list-style: none; }
.outcome-grid > li { display: flex; min-width: 0; flex-direction: column; padding: clamp(18px, 2.2vw, 25px); border: 1px solid var(--line-strong); background: var(--surface-paper); }
.outcome-grid__visual { margin: calc(clamp(18px, 2.2vw, 25px) * -1) calc(clamp(18px, 2.2vw, 25px) * -1) 24px; border-bottom: 1px solid var(--line); background: var(--surface-muted); }
.outcome-grid__visual svg { display: block; width: 100%; }
.outcome-grid__source rect, .outcome-grid__tile rect, .outcome-grid__sheet { fill: #fff; stroke: #9eb0b6; stroke-width: 1.5; }
.outcome-grid__source path, .outcome-grid__line { fill: none; stroke: #82979e; stroke-width: 1.5; }
.outcome-grid__screen { fill: #fff; stroke: #5d747c; stroke-width: 1.5; }
.outcome-grid__flow { fill: none; stroke: var(--accent); stroke-width: 2; }
.outcome-grid__accent { fill: var(--accent); }
.outcome-grid__label { margin-bottom: 10px; color: var(--accent); font-size: 13px; font-weight: 700; }
.outcome-grid h3 { margin-bottom: 14px; font-size: clamp(20px, 2vw, 24px); line-height: 1.55; }
.outcome-grid > li > p:not(.outcome-grid__label) { color: var(--text-body); font-size: 16px; line-height: 1.75; }
.outcome-grid small { display: block; margin-top: auto; padding-top: 24px; color: var(--text); font-size: 14px; font-weight: 700; line-height: 1.6; }

/* Approach */
.approach-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; border: 1px solid var(--line-strong); background: var(--line-strong); list-style: none; }
.approach-list li { display: grid; grid-template-columns: 62px minmax(0, 1fr); gap: 22px; padding: clamp(25px, 3.5vw, 38px); background: var(--surface-paper); }
.approach-list__icon { display: grid; width: 58px; height: 58px; place-items: center; border: 1px solid var(--line-strong); background: var(--surface-muted); color: var(--accent); }
.approach-list__icon svg { width: 34px; height: 34px; fill: none; stroke: currentColor; stroke-linecap: square; stroke-linejoin: miter; stroke-width: 1.8; }
.approach-list h3 { margin-bottom: 11px; font-size: clamp(20px, 2.1vw, 25px); line-height: 1.55; }
.approach-list p { color: var(--text-body); }

/* Tailored */
.tailored-section { background: var(--surface-dark); color: var(--text-on-dark); }
.tailored-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(50px, 8vw, 110px); }
.tailored-grid h3 { margin-bottom: 14px; font-size: 22px; line-height: 1.55; }
.tailored-grid > div > p { color: var(--text-muted-on-dark); font-size: 16px; }
.connection-list { margin-top: 28px; border-top: 1px solid var(--line-dark); }
.connection-list > div { display: grid; grid-template-columns: 115px 1fr; gap: 18px; padding-block: 14px; border-bottom: 1px solid var(--line-dark); font-size: 16px; }
.connection-list dt { color: var(--accent-soft); }
.connection-list dd { color: var(--text-on-dark); }
.security-list { margin-top: 28px; border-top: 1px solid var(--line-dark); list-style: none; }
.security-list li { display: grid; grid-template-columns: 100px 1fr; gap: 18px; padding-block: 14px; border-bottom: 1px solid var(--line-dark); font-size: 16px; }
.security-list b { color: var(--accent-soft); }
.security-list span { color: var(--text-muted-on-dark); }

/* Process */
.process-section { background: var(--surface-muted); }
.process-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; list-style: none; }
.process-list li { position: relative; display: grid; min-height: 230px; grid-template-columns: 38px 1fr; gap: 16px; padding: 28px 34px 28px 27px; border: 1px solid var(--line-strong); background: var(--surface-paper); }
.process-list li:not(:last-child)::after { position: absolute; z-index: 2; top: 50%; right: -15px; width: 28px; height: 28px; border-top: 1px solid var(--line-strong); border-right: 1px solid var(--line-strong); background: var(--surface-paper); content: ""; transform: translateY(-50%) rotate(45deg); }
.process-list li > span { display: grid; width: 34px; height: 34px; place-items: center; border: 1px solid var(--accent); color: var(--accent); font-family: var(--font-wordmark); font-size: 14px; font-variant-numeric: tabular-nums; font-weight: 700; }
.process-list__label { margin-bottom: 9px; color: var(--text-body); font-size: 14px; font-weight: 700; }
.process-list h3 { margin-bottom: 11px; font-size: 20px; }
.process-list div > p:last-child { color: var(--text-body); font-size: 16px; }

/* Company */
.founder-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(40px, 7vw, 90px); padding-top: 34px; border-top: 1px solid var(--line-strong); }
.founder-list article > p:first-child { margin-bottom: 9px; color: var(--text-body); font-size: 14px; font-weight: 700; }
.founder-list h3 { margin-bottom: 15px; font-size: 25px; }
.founder-list h3 span { display: block; margin-top: 3px; color: var(--text-body); font-family: var(--font-wordmark); font-size: 14px; letter-spacing: .08em; }
.founder-list article > p:last-child { color: var(--text-body); font-size: 16px; }
.company-data { margin-top: clamp(48px, 7vw, 76px); border-top: 1px solid var(--text); }
.company-data > div { display: grid; grid-template-columns: 180px 1fr; gap: 28px; padding-block: 15px; border-bottom: 1px solid var(--line); font-size: 16px; }
.company-data dt { color: var(--text-muted); }

/* Resource */
.resource-section { border-top: 1px solid var(--line-strong); background: var(--surface-muted); }
.resource-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(50px, 6vw, 78px); align-items: center; }
.resource-copy h2 { font-size: clamp(30px, 3.1vw, 38px); }
.resource-copy__lead { margin-top: 14px; color: var(--text); font-size: 18px; font-weight: 700; line-height: 1.7; }
.resource-copy > p:not([class]) { margin-top: 18px; color: var(--text-body); }
.resource-copy__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px 24px; margin-top: 28px; }
.resource-copy__note { margin-top: 18px; color: var(--text-body); font-size: 14px; line-height: 1.72; }
.guide-preview { display: grid; grid-template-columns: 210px 1fr; border: 1px solid var(--line-strong); background: var(--surface-paper); }
.guide-preview__cover { position: relative; min-height: 330px; padding: 22px; border-right: 1px solid var(--line-strong); background: var(--surface-dark); color: #fff; }
.guide-preview__cover > span { font-family: var(--font-wordmark); font-size: 14px; font-weight: 700; letter-spacing: .14em; }
.guide-preview__cover p { margin-top: 70px; font-size: 22px; font-weight: 700; line-height: 1.55; }
.guide-preview__cover strong { display: block; margin-top: 18px; color: var(--text-muted-on-dark); font-size: 14px; }
.guide-preview ol { align-self: center; padding: 18px 22px; list-style: none; }
.guide-preview li { display: grid; grid-template-columns: 32px 1fr; gap: 9px; padding: 10px 0; border-bottom: 1px solid var(--line); color: var(--text-body); font-size: 16px; }
.guide-preview li span { color: var(--text-muted); font-weight: 700; }

/* Contact */
.contact-section { background: var(--surface-paper); }
.contact-grid { display: grid; grid-template-columns: minmax(250px, .48fr) minmax(0, 1fr); gap: clamp(50px, 8vw, 108px); align-items: start; }
.contact-copy__lead { margin-top: 14px; color: var(--text); font-size: 18px; font-weight: 700; line-height: 1.7; }
.contact-copy > p:not([class]) { margin-top: 20px; color: var(--text-body); }
.contact-flow { margin-top: 30px; border-top: 1px solid var(--line-strong); }
.contact-flow > div { display: grid; grid-template-columns: 38px 1fr; gap: 12px; padding-block: 11px; border-bottom: 1px solid var(--line); font-size: 16px; }
.contact-flow dt { color: var(--accent); font-weight: 700; }
.contact-copy__mail { margin-top: 30px; color: var(--text-body); font-size: 14px; }
.contact-copy__mail a { color: var(--text); font-size: 15px; overflow-wrap: anywhere; }
.contact-form { padding: clamp(24px, 4vw, 44px); border: 1px solid var(--line-strong); background: var(--surface); }
.contact-form__mode { margin-bottom: 25px; padding-bottom: 13px; border-bottom: 1px solid var(--line); color: var(--text-body); font-size: 14px; }
.contact-form__mode.is-success { color: #0b625d; font-weight: 700; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 23px 24px; }
.field { display: flex; flex-direction: column; }
.field--wide { grid-column: 1 / -1; }
.field label { margin-bottom: 7px; font-size: 14px; font-weight: 700; }
.field label span { margin-left: 7px; color: var(--accent); font-size: 14px; }
.field input, .field select, .field textarea { width: 100%; min-height: 50px; padding: 11px 12px; border: 1px solid #667a82; border-radius: 0; background: #fff; font-size: 16px; }
.field textarea { min-height: 132px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); outline: 3px solid var(--accent); outline-offset: 2px; }
.field > p { margin-top: 6px; color: var(--text-body); font-size: 14px; line-height: 1.65; }
.consent { display: flex; align-items: flex-start; gap: 11px; margin-top: 23px; color: var(--text-body); font-size: 14px; }
.consent input { width: 20px; height: 20px; margin-top: 3px; flex: none; accent-color: var(--surface-dark); }
.consent a { text-decoration-thickness: 1px; text-underline-offset: 3px; }
.contact-form__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 25px; }
.contact-form__foot small { max-width: 260px; color: var(--text-body); font-size: 14px; }

/* Footer */
.site-footer { padding-block: 44px; background: var(--surface-dark); color: #c9ced0; }
.site-footer__top { display: flex; justify-content: space-between; gap: 36px; align-items: flex-start; }
.site-footer__brand { color: #fff; font-family: var(--font-wordmark); font-size: 17px; font-weight: 700; letter-spacing: .15em; }
.site-footer__brand span { display: block; margin-top: 4px; color: #d7e0e3; font-family: var(--font-ja); font-size: 14px; font-weight: 400; letter-spacing: 0; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: flex-end; }
.site-footer nav a { min-height: 36px; display: inline-flex; align-items: center; font-size: 14px; text-decoration: none; }
.site-footer__bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 30px; padding-top: 18px; border-top: 1px solid #3b464d; color: #d7e0e3; font-size: 14px; }

@media (max-width: 1080px) {
  .site-nav { display: none; position: absolute; top: 74px; right: 0; left: 0; max-height: calc(100dvh - 74px); overflow-y: auto; padding: 14px var(--gutter) 28px; border-bottom: 1px solid var(--line-strong); background: var(--surface); }
  .site-nav.is-open { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav a { padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
  .site-nav .site-nav__cta { justify-content: center; margin-top: 14px; padding: 11px 16px; border: 1px solid var(--surface-dark); }
  .menu-button { display: block; }
  .hero__inner { grid-template-columns: 1fr; min-height: 0; }
  .hero__copy { max-width: 800px; }
  .hero-product { width: min(100%, 760px); }
  .briefing { width: 100%; }
  .product-overview__head { grid-template-columns: minmax(360px, 1fr) minmax(250px, .7fr); }
  .product-overview__head > span { padding-top: 0; }
  .product-map { grid-template-columns: minmax(150px, .8fr) 42px minmax(220px, 1.1fr) 42px minmax(170px, .9fr); }
  .resource-grid { grid-template-columns: 1fr; }
  .guide-preview { width: min(100%, 680px); }
}

@media (max-width: 820px) {
  .contact-grid, .tailored-grid { grid-template-columns: 1fr; }
  .product-map { grid-template-columns: 1fr; gap: 0; }
  .product-map__arrow { min-height: 50px; transform: rotate(90deg); }
  .outcome-grid { grid-template-columns: 1fr; }
  .outcome-grid > li { display: grid; grid-template-columns: minmax(240px, .9fr) 1fr; column-gap: 28px; }
  .outcome-grid__visual { grid-row: 1 / span 5; margin: calc(clamp(18px, 2.2vw, 25px) * -1) 0 calc(clamp(18px, 2.2vw, 25px) * -1) calc(clamp(18px, 2.2vw, 25px) * -1); border-right: 1px solid var(--line); border-bottom: 0; }
  .approach-list { grid-template-columns: 1fr; }
  .demo-showcase { grid-template-columns: 1fr; }
  .demo-summary { border-top: 1px solid var(--line-strong); border-left: 0; }
  .demo-summary ol { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .demo-summary li { display: block; }
  .demo-summary li > span { display: block; margin-bottom: 8px; }
  .demo-mobile { min-height: 660px; grid-template-columns: 1fr; gap: 30px; padding: 32px; text-align: center; }
  .demo-mobile__copy { max-width: 520px; margin-inline: auto; }
  .process-list { grid-template-columns: 1fr; gap: 14px; }
  .process-list li { min-height: 0; }
  .process-list li:not(:last-child)::after { top: auto; right: auto; bottom: -11px; left: 50%; width: 20px; height: 20px; border-top: 0; border-right: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); transform: translateX(-50%) rotate(45deg); }
  .founder-list { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  html { scroll-padding-top: 68px; }
  .site-header__inner { min-height: 66px; }
  .site-nav { top: 66px; max-height: calc(100dvh - 66px); }
  .wordmark__ja { display: none; }
  .section, .section--compact { padding-block: 64px; }
  .hero__inner { gap: 52px; padding-block: 56px 72px; }
  .hero h1 { font-size: clamp(36px, 10.5vw, 43px); line-height: 1.42; }
  .hero h1 br { display: none; }
  .hero__lead { font-size: 16px; }
  .hero__actions { align-items: stretch; }
  .hero__actions .button { width: 100%; }
  .hero__actions .text-link { justify-content: space-between; }
  .briefing { box-shadow: 0 12px 30px rgba(19, 42, 51, .08); }
  .hero-product { width: calc(100% + 12px); margin-left: -6px; padding: 25px 8px 34px; }
  .hero-product::before { right: 2%; left: 2%; }
  .hero-product__signal { width: 138px; }
  .hero-product__signal--top { top: 10px; }
  .hero-product__signal--bottom { bottom: 10px; }
  .briefing__head { align-items: flex-start; }
  .briefing__head strong { font-size: 16px; }
  .briefing__rows > div { grid-template-columns: 1fr; gap: 2px; padding-block: 11px; }
  .briefing__rows dt, .briefing__rows dd { padding: 0; }
  .briefing__foot { justify-content: flex-start; flex-wrap: wrap; }
  .section-heading h2, .resource-copy h2, .contact-copy h2 { font-size: 31px; }
  .section-heading h2 br, .resource-copy h2 br, .contact-copy h2 br { display: none; }
  .product-overview__head { grid-template-columns: 1fr; gap: 12px; }
  .product-overview__head > span { grid-column: auto; padding-top: 0; }
  .product-overview__head h2 { font-size: 29px; }
  .outcome-grid > li { display: flex; }
  .outcome-grid__visual { margin: calc(clamp(18px, 2.2vw, 25px) * -1) calc(clamp(18px, 2.2vw, 25px) * -1) 24px; border-right: 0; border-bottom: 1px solid var(--line); }
  .demo-summary ol { grid-template-columns: 1fr; gap: 0; }
  .demo-summary li { display: grid; grid-template-columns: 34px 1fr; }
  .demo-summary li > span { margin-bottom: 0; }
  .demo-device-stage { padding: 10px; }
  .demo-browser { border-radius: 6px; }
  .demo-browser__bar { height: 35px; grid-template-columns: 61px minmax(0, 1fr) 25px; padding-inline: 9px; }
  .demo-browser__controls { gap: 5px; }
  .demo-browser__controls i { width: 8px; height: 8px; }
  .demo-browser__address { padding: 5px 8px; font-size: 10px; }
  .demo-browser__menu { font-size: 13px; }
  .demo-mobile { min-height: 0; padding: 26px 10px; }
  .demo-mobile__copy h3 { font-size: 24px; }
  .demo-phone { width: min(88%, 310px); }
  .demo-cta { width: 100%; }
  .approach-list li { grid-template-columns: 52px 1fr; gap: 17px; padding: 23px 18px; }
  .approach-list__icon { width: 50px; height: 50px; }
  .process-list li { grid-template-columns: 34px 1fr; padding: 23px 21px; }
  .connection-list > div, .security-list li { grid-template-columns: 1fr; gap: 2px; }
  .company-data > div { grid-template-columns: 1fr; gap: 2px; }
  .guide-preview { grid-template-columns: 1fr; }
  .guide-preview__cover { min-height: 290px; border-right: 0; border-bottom: 1px solid var(--line-strong); }
  .resource-copy__actions { align-items: stretch; }
  .resource-copy__actions .button { width: 100%; }
  .resource-copy__actions .text-link { justify-content: space-between; }
  .form-grid { grid-template-columns: 1fr; }
  .field--wide { grid-column: auto; }
  .contact-form__foot { align-items: stretch; }
  .contact-form__foot .button { width: 100%; }
  .site-footer__top, .site-footer__bottom { flex-direction: column; }
  .site-footer nav { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .001ms !important; }
}