:root {
  --color-primary: #003366;
  --color-primary-dark: #0b2545;
  --color-accent: #007bff;
  --color-accent-light: #7bc4e2;
  --color-text: #1f2937;
  --color-muted: #667085;
  --color-background: #fff;
  --color-surface: #f5f8fb;
  --color-border: #d9e2ec;
  --font-ja: "Noto Sans JP", sans-serif;
  --font-latin: "Inter", sans-serif;
  --container-max: 1200px;
  --content-max: 780px;
  --radius-card: 12px;
  --radius-button: 8px;
  --shadow-card: 0 14px 40px rgba(11, 37, 69, .08);
  --header-height: 68px;
  --transition: 180ms ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 20px); }
body { margin: 0; overflow-x: hidden; background: var(--color-background); color: var(--color-text); font-family: var(--font-ja); font-size: 16px; line-height: 1.75; -webkit-font-smoothing: antialiased; }
body.is-menu-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin-top: 0; }
ul, ol { padding: 0; list-style: none; }
.container { width: min(100% - 40px, var(--container-max)); margin-inline: auto; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 9999; padding: 10px 16px; background: #fff; color: var(--color-primary); transform: translateY(-150%); box-shadow: var(--shadow-card); }
.skip-link:focus { transform: none; }
.eyebrow { margin-bottom: 12px; color: var(--color-accent); font-family: var(--font-latin); font-size: .75rem; font-weight: 800; letter-spacing: .16em; }
.eyebrow--light { color: var(--color-accent-light); }
.section { padding: 76px 0; }
.section--surface { background: var(--color-surface); }
.section--dark { background: var(--color-primary-dark); color: #fff; }
.section-heading { margin-bottom: 32px; }
.section-heading--center { text-align: center; }
.section-heading--center .section-description { margin-inline: auto; }
.section-title { margin-bottom: 16px; color: var(--color-primary); font-size: clamp(1.75rem, 5vw, 2.75rem); font-weight: 700; line-height: 1.35; letter-spacing: -.03em; }
.section--dark .section-title { color: #fff; }
.section-description, .prose { max-width: var(--content-max); color: var(--color-muted); }
.section--dark .section-description, .section--dark .prose { color: rgba(255, 255, 255, .76); }
.prose p:last-child, .section-description p:last-child { margin-bottom: 0; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 12px 22px; border: 1px solid transparent; border-radius: var(--radius-button); font-weight: 700; line-height: 1.4; text-align: center; transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition); }
.button:hover { transform: translateY(-2px); }
.button--primary { background: var(--color-primary); color: #fff; }
.button--accent { background: var(--color-accent); color: #fff; box-shadow: 0 10px 25px rgba(0, 123, 255, .25); }
.button--accent:hover { background: #006ee6; }
.button--outline-light { border-color: rgba(255, 255, 255, .55); color: #fff; }
.button--outline-light:hover { background: rgba(255, 255, 255, .1); }
a:focus-visible, button:focus-visible { outline: 3px solid rgba(0, 123, 255, .42); outline-offset: 3px; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 1000; height: var(--header-height); border-bottom: 1px solid rgba(217, 226, 236, .85); background: rgba(255, 255, 255, .96); transition: box-shadow var(--transition); }
.site-header.is-scrolled { box-shadow: 0 8px 24px rgba(11, 37, 69, .08); }
.site-header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.site-brand { display: flex; flex-direction: column; line-height: 1; }
.site-brand__name { color: var(--color-primary); font-family: var(--font-latin); font-size: 1.25rem; font-weight: 800; letter-spacing: -.04em; }
.site-brand__tagline { margin-top: 6px; color: var(--color-muted); font-family: var(--font-latin); font-size: .5rem; font-weight: 700; letter-spacing: .2em; }
.site-nav__toggle { display: flex; min-width: 48px; min-height: 48px; align-items: center; justify-content: center; gap: 9px; border: 0; background: transparent; color: var(--color-primary); }
.site-nav__toggle-label { font-family: var(--font-latin); font-size: .68rem; font-weight: 700; letter-spacing: .1em; }
.site-nav__toggle-icon { display: flex; flex-direction: column; gap: 5px; }
.site-nav__toggle-icon span { display: block; width: 22px; height: 2px; background: currentColor; transition: transform var(--transition), opacity var(--transition); }
.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-icon span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-icon span:nth-child(2) { opacity: 0; }
.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-icon span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.site-nav__panel { position: fixed; top: var(--header-height); right: 0; bottom: 0; left: 0; display: flex; flex-direction: column; gap: 4px; padding: 24px 20px; background: #fff; visibility: hidden; opacity: 0; transform: translateY(-8px); transition: opacity var(--transition), transform var(--transition), visibility var(--transition); }
.site-nav__panel.is-open { visibility: visible; opacity: 1; transform: none; }
.site-nav__link { padding: 14px 8px; border-bottom: 1px solid var(--color-border); color: var(--color-primary); font-weight: 600; }
.site-nav__cta { margin-top: 16px; }

.breadcrumb { padding-top: calc(var(--header-height) + 18px); padding-bottom: 18px; color: var(--color-muted); font-size: .78rem; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; }
.breadcrumb li { display: inline-flex; min-width: 0; align-items: center; overflow-wrap: anywhere; }
.breadcrumb li:not(:last-child)::after { width: 1px; height: .9em; margin-left: 6px; background: #a6b2bf; content: ""; transform: rotate(20deg); }
.breadcrumb a { text-decoration: underline; text-underline-offset: 3px; }

.case-hero { position: relative; overflow: hidden; background: var(--color-primary-dark); color: #fff; }
.case-hero::before { position: absolute; right: -180px; bottom: -280px; width: 540px; height: 540px; border: 74px solid rgba(123, 196, 226, .06); border-radius: 50%; content: ""; }
.case-hero__inner { position: relative; display: grid; gap: 42px; padding-top: 64px; padding-bottom: 72px; }
.case-hero h1 { margin-bottom: 12px; font-size: clamp(2.75rem, 10vw, 5.4rem); line-height: 1.08; letter-spacing: -.05em; }
.case-hero__descriptor { margin-bottom: 22px; color: var(--color-accent-light); font-family: var(--font-latin); font-size: .82rem; font-weight: 700; letter-spacing: .08em; }
.case-hero__lead { max-width: 660px; margin-bottom: 26px; color: rgba(255, 255, 255, .82); font-size: 1.04rem; }
.case-hero__tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; }
.case-hero__tags li { padding: 7px 12px; border: 1px solid rgba(123, 196, 226, .42); border-radius: 999px; background: rgba(255, 255, 255, .05); font-size: .76rem; font-weight: 600; }
.case-hero__visual { margin: 0; overflow: hidden; border-radius: var(--radius-card); background: #fff; box-shadow: 0 22px 50px rgba(0, 0, 0, .22); }
.case-hero__visual img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; }
.case-hero__visual figcaption { padding: 11px 16px; color: var(--color-muted); font-size: .75rem; }

.split-heading { display: grid; gap: 4px; margin-bottom: 44px; }
.case-summary { display: grid; gap: 36px; align-items: start; }
.case-meta { margin: 0; border-top: 1px solid var(--color-border); }
.case-meta div { padding: 16px 0; border-bottom: 1px solid var(--color-border); }
.case-meta dt { margin-bottom: 4px; color: var(--color-accent); font-size: .72rem; font-weight: 800; }
.case-meta dd { margin: 0; color: var(--color-primary); font-weight: 600; }
.name-note { margin: 30px 0 0; padding: 20px 22px; border-left: 3px solid var(--color-accent); background: var(--color-surface); color: var(--color-muted); font-size: .92rem; }

.challenge-grid, .case-role { display: grid; gap: 14px; margin: 0; }
.challenge-grid li, .case-role li { padding: 24px; border: 1px solid var(--color-border); background: #fff; }
.challenge-grid span, .case-role span { color: var(--color-accent); font-family: var(--font-latin); font-size: .72rem; font-weight: 800; }
.challenge-grid h3, .case-role h3 { margin: 13px 0 8px; color: var(--color-primary); font-size: 1.08rem; }
.challenge-grid p, .case-role p { margin: 0; color: var(--color-muted); font-size: .94rem; }

.case-process { display: grid; gap: 24px; margin: 0; counter-reset: process; }
.case-process-item { position: relative; display: grid; gap: 22px; padding: 28px 0; border-top: 1px solid var(--color-border); }
.case-process-item:last-child { border-bottom: 1px solid var(--color-border); }
.case-process-item__copy { display: grid; grid-template-columns: 50px 1fr; gap: 14px; align-content: start; }
.case-process-item__number { color: var(--color-accent); font-family: var(--font-latin); font-size: .78rem; font-weight: 800; letter-spacing: .08em; }
.case-process-item h3 { margin-bottom: 9px; color: var(--color-primary); font-size: 1.22rem; }
.case-process-item p { margin: 0; color: var(--color-muted); }
.case-process-item__media { margin: 0; overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius-card); background: #fff; box-shadow: var(--shadow-card); }
.case-process-item__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; }
.case-process-item__media figcaption { padding: 11px 15px; border-top: 1px solid var(--color-border); color: var(--color-muted); font-size: .76rem; }
.case-process-item--text { padding-block: 22px; }

.case-gallery { display: grid; gap: 18px; }
.case-gallery figure { margin: 0; overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius-card); background: #fff; box-shadow: var(--shadow-card); }
.case-gallery img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; }
.case-gallery figcaption { padding: 12px 16px; color: var(--color-muted); font-size: .78rem; }
.design-points { display: grid; gap: 12px; margin-top: 34px; }
.design-points li { display: grid; grid-template-columns: 36px 1fr; gap: 10px; padding: 18px 20px; border-top: 2px solid var(--color-primary); background: #fff; color: var(--color-muted); }
.design-points span { color: var(--color-accent); font-family: var(--font-latin); font-size: .72rem; font-weight: 800; }

.promotion-grid { display: grid; gap: 38px; align-items: center; }
.promotion-grid figure { margin: 0; overflow: hidden; border-radius: var(--radius-card); background: #fff; }
.promotion-grid img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; }
.promotion-grid figcaption { padding: 11px 15px; color: var(--color-muted); font-size: .76rem; }
.promotion-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 28px 0 0; }
.promotion-list li { padding: 8px 12px; border: 1px solid rgba(123, 196, 226, .32); border-radius: 999px; color: rgba(255, 255, 255, .88); font-size: .82rem; }

.case-outcome__inner { display: grid; gap: 4px; }
.case-outcome__points { display: grid; gap: 14px; margin: 0; }
.case-outcome__points li { display: grid; grid-template-columns: 40px 1fr; gap: 10px; padding: 18px 0; border-bottom: 1px solid var(--color-border); color: var(--color-muted); }
.case-outcome__points span { color: var(--color-accent); font-family: var(--font-latin); font-size: .72rem; font-weight: 800; }

.case-related { background: var(--color-surface); }
.case-related__card { display: grid; gap: 22px; align-items: center; max-width: 820px; padding: 28px; border: 1px solid var(--color-border); border-radius: var(--radius-card); background: #fff; box-shadow: var(--shadow-card); }
.case-related__card h3 { margin-bottom: 8px; color: var(--color-primary); font-size: 1.25rem; }
.case-related__card p { margin: 0; color: var(--color-muted); }
.case-back-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 32px; color: var(--color-primary); font-weight: 700; }
.case-back-link::before { content: "←"; }

.application-cta { padding: 64px 0; background: var(--color-primary); color: #fff; }
.application-cta__inner { display: grid; gap: 28px; }
.application-cta h2 { margin-bottom: 16px; font-size: clamp(1.55rem, 5vw, 2.4rem); line-height: 1.45; }
.application-cta p:not(.eyebrow) { max-width: 720px; color: rgba(255, 255, 255, .76); }
.application-cta__actions { display: flex; flex-direction: column; gap: 12px; }

.site-footer { padding: 64px 0 28px; border-top: 1px solid var(--color-border); background: var(--color-surface); }
.site-footer__brand { display: flex; flex-direction: column; gap: 6px; margin-bottom: 32px; line-height: 1; }
.site-footer__brand .site-brand__name,
.site-footer__brand .site-brand__tagline { display: block; line-height: 1; }
.site-footer__brand .site-brand__tagline { margin-top: 0; }
.site-footer__offices { display: grid; gap: 24px; }
.site-footer address { color: var(--color-muted); font-size: .85rem; font-style: normal; }
.site-footer address strong { display: block; margin-bottom: 6px; color: var(--color-primary); font-family: var(--font-latin); font-size: .75rem; letter-spacing: .08em; }
.site-footer__bottom { display: flex; flex-direction: column; gap: 12px; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--color-border); color: var(--color-muted); font-size: .75rem; }
.site-footer__links { display: flex; flex-wrap: wrap; gap: 10px 24px; }
.site-footer__bottom a { color: var(--color-primary); font-weight: 700; }
.site-footer__bottom p { margin: 0; }

@media (min-width: 768px) {
  :root { --header-height: 76px; }
  .container { width: min(100% - 64px, var(--container-max)); }
  .section { padding: 108px 0; }
  .case-hero__inner { padding-top: 88px; padding-bottom: 94px; }
  .split-heading { grid-template-columns: minmax(250px, .78fr) minmax(0, 1.22fr); gap: 64px; }
  .case-summary { grid-template-columns: minmax(0, 1.1fr) minmax(300px, .9fr); gap: 64px; }
  .challenge-grid, .case-role { grid-template-columns: repeat(2, 1fr); }
  .case-process-item { grid-template-columns: minmax(280px, .8fr) minmax(0, 1.2fr); gap: 48px; align-items: center; padding-block: 42px; }
  .case-process-item--text { grid-template-columns: 1fr; }
  .case-process-item:nth-child(even):not(.case-process-item--text) .case-process-item__copy { order: 2; }
  .case-gallery { grid-template-columns: repeat(2, 1fr); }
  .design-points { grid-template-columns: repeat(3, 1fr); }
  .promotion-grid { grid-template-columns: minmax(0, 1fr) minmax(340px, .9fr); gap: 64px; }
  .case-outcome__inner { grid-template-columns: minmax(250px, .75fr) minmax(0, 1.25fr); gap: 64px; }
  .case-related__card { grid-template-columns: 1fr auto; }
  .application-cta__actions { flex-direction: row; flex-wrap: wrap; }
  .site-footer__offices { grid-template-columns: repeat(2, 1fr); }
  .site-footer__bottom { flex-direction: row; justify-content: space-between; }
}

@media (min-width: 1024px) {
  .site-nav__toggle { display: none; }
  .site-nav__panel { position: static; display: flex; flex-direction: row; align-items: center; gap: 20px; padding: 0; background: transparent; visibility: visible; opacity: 1; transform: none; }
  .site-nav__link { padding: 10px 0; border: 0; color: var(--color-muted); font-size: .84rem; }
  .site-nav__link:hover { color: var(--color-primary); }
  .site-nav__cta { margin: 0 0 0 4px; padding: 10px 18px; font-size: .82rem; }
  .case-hero__inner { grid-template-columns: minmax(0, .82fr) minmax(500px, 1.18fr); gap: 64px; align-items: center; padding-top: 100px; padding-bottom: 106px; }
  .challenge-grid { grid-template-columns: repeat(3, 1fr); }
  .case-role { grid-template-columns: repeat(4, 1fr); }
  .case-role li { min-height: 210px; }
  .application-cta__inner { grid-template-columns: 1fr auto; align-items: center; }
  .application-cta__actions { max-width: 420px; flex-direction: column; }
  .site-footer__offices { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 420px) {
  .container { width: min(100% - 28px, var(--container-max)); }
  .site-footer .container { width: min(100% - 40px, var(--container-max)); }
  .case-hero h1 { font-size: 2.7rem; }
  .case-process-item__copy { grid-template-columns: 42px 1fr; gap: 8px; }
  .challenge-grid li, .case-role li { padding: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .button:hover { transform: none; }
}

/* SMC Case Study */
.case-hero__inner--smc { gap: 32px; }
.case-hero__project { margin: 0 0 8px; color: rgba(255, 255, 255, .9); font-size: 1.08rem; font-weight: 700; }
.hero__client { display: flex; flex-wrap: wrap; gap: 10px; align-items: baseline; margin: 0 0 22px; color: rgba(255, 255, 255, .82); font-size: .9rem; }
.hero__client span { color: var(--color-accent-light); font-family: var(--font-latin); font-size: .68rem; font-weight: 800; letter-spacing: .15em; }
.case-hero__visuals { display: grid; gap: 16px; align-items: start; }
.case-hero__visual { border: 1px solid rgba(255, 255, 255, .16); }
.case-hero__visual--hand img { aspect-ratio: 4 / 3; object-fit: cover; object-position: center; }
.case-hero__visual--system img { aspect-ratio: 16 / 10; object-fit: cover; object-position: center; }
.case-hero__visual figcaption { border-top: 1px solid var(--color-border); }

.project-facts { display: grid; gap: 0; margin: 0; border-top: 1px solid var(--color-border); }
.project-facts div { padding: 16px 0; border-bottom: 1px solid var(--color-border); }
.project-facts dt { margin-bottom: 5px; color: var(--color-accent); font-family: var(--font-latin); font-size: .7rem; font-weight: 800; letter-spacing: .08em; }
.project-facts dd { margin: 0; color: var(--color-primary); font-size: .96rem; font-weight: 600; }
.project-facts--smc { max-width: var(--content-max); }

.system-layout, .communication-layout, .pen-layout, .perspective-layout { display: grid; gap: 36px; }
.system-layout__media, .communication-layout__media { display: grid; gap: 16px; }
.system-layout__support { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.media-frame { margin: 0; overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius-card); background: #fff; box-shadow: var(--shadow-card); }
.media-frame img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; }
.media-frame--wide img { aspect-ratio: 16 / 10; }
.media-frame figcaption { padding: 10px 14px; border-top: 1px solid var(--color-border); color: var(--color-muted); font-size: .75rem; }
.system-layout__support .media-frame img { aspect-ratio: 4 / 3; }

.challenge-grid--four { grid-template-columns: 1fr; }
.case-role--six { grid-template-columns: 1fr; }
.case-role--six li { min-height: 0; }

.process-timeline { display: grid; gap: 0; margin: 0; }
.process-timeline__item { display: grid; gap: 24px; padding: 34px 0; border-top: 1px solid var(--color-border); }
.process-timeline__item:last-child { border-bottom: 1px solid var(--color-border); }
.process-timeline__copy { display: grid; grid-template-columns: 46px minmax(0, 1fr); gap: 14px; align-content: start; }
.process-timeline__number { color: var(--color-accent); font-family: var(--font-latin); font-size: .78rem; font-weight: 800; letter-spacing: .08em; }
.process-timeline__label { margin: 0 0 5px; color: var(--color-accent); font-family: var(--font-latin); font-size: .7rem; font-weight: 800; letter-spacing: .12em; }
.process-timeline__copy h3 { margin: 0 0 9px; color: var(--color-primary); font-size: 1.28rem; line-height: 1.45; }
.process-timeline__copy p:last-child { margin-bottom: 0; color: var(--color-muted); }
.process-timeline__media { display: grid; gap: 14px; }
.process-timeline__media--pair { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.process-timeline__media figure { min-width: 0; margin: 0; overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius-card); background: #fff; box-shadow: var(--shadow-card); }
.process-timeline__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; }
.process-timeline__media figure:nth-child(2) img[src*="engineering"] { object-fit: contain; }
.process-timeline__media figcaption { padding: 10px 13px; border-top: 1px solid var(--color-border); color: var(--color-muted); font-size: .74rem; }

.pen-layout { align-items: center; }
.pen-layout__media { display: grid; grid-template-columns: minmax(110px, .55fr) minmax(0, 1.45fr); gap: 14px; align-items: end; }
.pen-layout__media figure { min-width: 0; margin: 0; overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius-card); background: #fff; box-shadow: var(--shadow-card); }
.pen-layout__product img { width: 100%; height: min(62vw, 510px); object-fit: contain; }
.pen-layout__hand img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.pen-layout__media figcaption { padding: 10px 12px; border-top: 1px solid var(--color-border); color: var(--color-muted); font-size: .72rem; }

.communication-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 26px 0 0; }
.communication-list li { padding: 8px 12px; border: 1px solid var(--color-border); border-radius: 999px; background: var(--color-surface); color: var(--color-primary); font-size: .8rem; font-weight: 600; }
.communication-layout__media { align-content: start; }
.communication-layout__media .media-frame:first-child img { aspect-ratio: 16 / 10; }

.video-grid { display: grid; gap: 20px; }
.video-card { overflow: hidden; border: 1px solid rgba(123, 196, 226, .28); border-radius: var(--radius-card); background: rgba(255, 255, 255, .06); }
.video-card__media { background: #071b30; }
.video-card__button { position: relative; display: block; width: 100%; padding: 0; border: 0; background: transparent; color: #fff; }
.video-card__button img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; opacity: .9; transition: opacity var(--transition), transform var(--transition); }
.video-card__button:hover img, .video-card__button:focus-visible img { opacity: 1; transform: scale(1.015); }
.video-card__play { position: absolute; top: 50%; left: 50%; display: grid; width: 58px; height: 58px; place-items: center; border: 1px solid rgba(255, 255, 255, .72); border-radius: 50%; background: rgba(0, 51, 102, .78); transform: translate(-50%, -50%); }
.video-card__iframe { display: block; width: 100%; aspect-ratio: 16 / 9; border: 0; }
.video-card__copy { padding: 22px; }
.video-card__copy h3 { margin-bottom: 8px; color: #fff; font-family: var(--font-latin); font-size: 1.15rem; }
.video-card__copy p { margin-bottom: 14px; color: rgba(255, 255, 255, .75); font-size: .92rem; }
.video-card__copy a { color: var(--color-accent-light); font-size: .88rem; font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.video-card noscript p { padding: 0 22px 20px; margin: 0; }
.video-card noscript a { color: var(--color-accent-light); text-decoration: underline; }

.perspective-layout .prose { max-width: var(--content-max); }

@media (min-width: 640px) {
  .project-facts--smc { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .project-facts--smc div:nth-child(odd) { padding-right: 24px; }
  .project-facts--smc div:nth-child(even) { padding-left: 24px; }
  .project-facts--smc div:nth-child(3), .project-facts--smc div:nth-child(5) { border-bottom: 0; }
  .project-facts--smc div:last-child { grid-column: 1 / -1; padding-left: 0; }
  .video-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 768px) {
  .case-hero__inner--smc { grid-template-columns: minmax(0, .94fr) minmax(420px, 1.06fr); align-items: center; }
  .case-hero__visuals { grid-template-columns: minmax(0, 1.25fr) minmax(190px, .75fr); gap: 14px; }
  .case-hero__visual--hand { align-self: end; }
  .case-hero__visual--system { align-self: start; margin-top: 36px; }
  .case-hero__visual--system img { aspect-ratio: 4 / 5; object-fit: cover; object-position: 62% center; }
  .system-layout, .communication-layout, .pen-layout, .perspective-layout { grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); gap: 56px; }
  .communication-layout { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); }
  .pen-layout { grid-template-columns: minmax(0, 1fr) minmax(300px, .9fr); }
  .challenge-grid--four { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case-role--six { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .case-role--six li { min-height: 190px; }
  .process-timeline__item { grid-template-columns: minmax(230px, .65fr) minmax(0, 1.35fr); gap: 46px; align-items: center; padding: 54px 0; }
  .process-timeline__item:nth-child(even) .process-timeline__copy { order: 2; }
  .process-timeline__item:nth-child(even) .process-timeline__media { order: 1; }
}

@media (min-width: 1024px) {
  .case-hero__inner--smc { grid-template-columns: minmax(0, .86fr) minmax(560px, 1.14fr); }
  .case-hero__visuals { gap: 20px; }
  .challenge-grid--four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .challenge-grid--four li { min-height: 210px; }
}

@media (max-width: 479px) {
  .case-hero__visuals { grid-template-columns: 1fr; }
  .process-timeline__media--pair, .system-layout__support { grid-template-columns: 1fr; }
  .process-timeline__copy { grid-template-columns: 38px minmax(0, 1fr); gap: 9px; }
  .project-facts dd { overflow-wrap: anywhere; }
}

/* SMC visual balance refinements */
.process-timeline__item:nth-child(5) .process-timeline__media { max-width: 82%; }
.pen-layout__media { grid-template-columns: minmax(86px, .45fr) minmax(0, 1.55fr); }
.pen-layout__product img { height: min(56vw, 400px); }

@media (min-width: 768px) {
  .case-hero__visuals { grid-template-columns: minmax(0, 1.58fr) minmax(124px, .42fr); gap: 18px; }
  .case-hero__visual--system { margin-top: 64px; }
  .case-hero__visual--system img { aspect-ratio: 4 / 5; }
  .process-timeline__item:nth-child(5) .process-timeline__media { max-width: 76%; }
  .pen-layout__media { grid-template-columns: minmax(100px, .4fr) minmax(0, 1.6fr); }
  .pen-layout__product { max-width: 142px; justify-self: end; }
  .pen-layout__product img { height: min(46vw, 390px); }
}