:root {
  --ink: #30322d;
  --muted: #696a61;
  --ivory: #f7f3ea;
  --paper: #fffcf6;
  --sage: #7e9b76;
  --sage-deep: #5f7658;
  --sand: #c9a77c;
  --terra: #c98262;
  --line: #ded8cb;
  --soft: #ece7dc;
  --shadow: 0 24px 70px rgba(57, 57, 48, 0.11);
  --radius: 30px;
  --max: 1180px;
  color-scheme: light;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic UI", "Yu Gothic", Meiryo, sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--ivory);
  font-size: 16px;
  line-height: 1.8;
  overflow-x: clip;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.32;
  z-index: -1;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.03'/%3E%3C/svg%3E");
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }

.edit-toolbar {
  width: min(calc(100% - 24px), 1040px);
  min-height: 62px;
  margin: 10px auto 0;
  padding: 10px 12px 10px 18px;
  position: sticky;
  top: 8px;
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 252, 246, .96);
  box-shadow: 0 12px 35px rgba(57, 57, 48, .12);
  backdrop-filter: blur(18px);
}
.edit-toolbar[hidden] { display: none; }
.edit-toolbar strong { color: var(--sage-deep); font-size: .82rem; }
.edit-toolbar > span { margin-right: auto; color: var(--muted); font-size: .72rem; }
.edit-toolbar > div { display: flex; gap: 7px; }
.edit-toolbar button { min-height: 40px; padding: 7px 13px; border: 1px solid var(--line); border-radius: 11px; color: var(--ink); background: var(--paper); font-size: .72rem; font-weight: 700; cursor: pointer; }
.edit-toolbar button:first-child { color: var(--paper); border-color: var(--sage-deep); background: var(--sage-deep); }
.edit-toolbar button:focus-visible { outline: 3px solid rgba(95, 118, 88, .24); outline-offset: 2px; }
html.is-edit-mode [data-edit-key] { outline: 1px dashed transparent; outline-offset: 5px; border-radius: 4px; }
html.is-edit-mode [data-edit-key]:hover { outline-color: rgba(95, 118, 88, .45); }
html.is-edit-mode [data-edit-key]:focus { outline: 2px solid var(--sage); background: rgba(126, 155, 118, .08); }
[data-edit-key][data-has-custom-copy="true"] { white-space: pre-line; }
.image-add-control { width: 100%; margin-top: 22px; padding: 14px; display: flex; justify-content: center; border: 1px dashed var(--sage); border-radius: 16px; background: rgba(126, 155, 118, .08); }
.image-add-control button, .image-edit-controls button { min-height: 40px; padding: 7px 12px; border: 1px solid var(--line); border-radius: 10px; color: var(--ink); background: var(--paper); font-size: .7rem; font-weight: 700; cursor: pointer; }
.image-add-control button { color: var(--paper); border-color: var(--sage-deep); background: var(--sage-deep); }
.image-edit-controls { width: calc(100% - 16px); margin: 8px; padding: 10px; position: relative; z-index: 8; display: grid; gap: 8px; border: 1px solid var(--line); border-radius: 13px; color: var(--ink); background: rgba(255, 252, 246, .97); box-shadow: 0 8px 24px rgba(57, 57, 48, .13); }
.image-edit-controls label { display: grid; grid-template-columns: 82px minmax(0, 1fr); align-items: center; gap: 8px; font-size: .67rem; font-weight: 750; }
.image-edit-controls input { width: 100%; min-width: 0; min-height: 36px; padding: 6px 9px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink); background: white; font-size: .72rem; }
.image-edit-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.user-image-gallery { width: 100%; margin-top: 30px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.user-image-item { min-width: 0; margin: 0; padding: 12px; overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: var(--paper); }
.user-image-item > img { width: 100%; height: auto; max-width: 100%; border-radius: 12px; object-fit: contain; }
.user-image-item > figcaption { padding: 12px 4px 2px; color: var(--muted); font-size: .76rem; }
[data-image-gallery] > .image-add-control,
[data-image-gallery] > .user-image-gallery { grid-column: 1 / -1; }

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--ink);
  color: white;
  transform: translateY(-160%);
  transition: transform 180ms ease;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  width: min(calc(100% - 40px), 1260px);
  height: 76px;
  margin: 18px auto 0;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  position: sticky;
  top: 14px;
  z-index: 50;
  border: 1px solid rgba(222, 216, 203, 0.86);
  border-radius: 22px;
  background: rgba(255, 252, 246, 0.86);
  box-shadow: 0 10px 30px rgba(60, 61, 54, 0.06);
  backdrop-filter: blur(16px);
}
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-size: 0.72rem; font-weight: 750; letter-spacing: 0.14em; }
.brand__mark { width: 38px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 50% 46% 52% 45%; color: var(--paper); background: var(--sage-deep); font-weight: 800; font-size: 1.2rem; transform: rotate(-4deg); }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a { color: var(--muted); text-decoration: none; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em; transition: color 160ms ease; }
.site-nav a:hover, .site-nav a:focus-visible, .site-nav a.is-active { color: var(--sage-deep); }
.menu-button { display: none; }

.section { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; padding-block: 130px; }
.eyebrow { margin: 0 0 22px; color: var(--sage-deep); font-size: 0.72rem; line-height: 1.3; font-weight: 800; letter-spacing: 0.18em; }
.section-heading { max-width: 820px; margin-bottom: 70px; }
.section-heading--row { max-width: none; display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(260px, .6fr); align-items: end; gap: 64px; }
.section-heading--row > p { margin: 0 0 8px; color: var(--muted); }
h1, h2, h3, p { text-wrap: pretty; }
h1, h2, h3 { line-height: 1.25; }
h2 { margin: 0; font-size: clamp(2.45rem, 5vw, 4.8rem); letter-spacing: -0.055em; font-weight: 720; }
h3 { letter-spacing: -0.025em; }

.hero {
  min-height: calc(100svh - 96px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, .82fr);
  align-items: center;
  gap: clamp(48px, 8vw, 110px);
  padding-top: 92px;
  padding-bottom: 110px;
}
.hero h1 { margin: 0; font-size: clamp(5.8rem, 13vw, 10.5rem); letter-spacing: -0.09em; line-height: .87; color: var(--sage-deep); font-weight: 800; }
.hero__lead { margin: 34px 0 22px; font-size: clamp(1.75rem, 3.3vw, 3.15rem); line-height: 1.38; letter-spacing: -0.045em; font-weight: 720; }
.hero__description { max-width: 620px; margin: 0; color: var(--muted); font-size: 1.05rem; }
.hero__method { max-width: 620px; margin: 22px 0 0; padding-left: 18px; border-left: 3px solid var(--sand); color: var(--ink); font-size: .92rem; }
.hero__meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 48px 0 0; padding: 28px 0 0; border-top: 1px solid var(--line); }
.hero__meta div { min-width: 0; }
.hero__meta dt { color: var(--sage-deep); font-size: .65rem; font-weight: 800; letter-spacing: .14em; }
.hero__meta dd { margin: 6px 0 0; font-size: .82rem; line-height: 1.45; font-weight: 600; }
.hero__visual { position: relative; min-height: 670px; display: grid; place-items: center; }
.hero__visual::before { content: ""; position: absolute; width: 90%; aspect-ratio: 1; border-radius: 44% 56% 60% 40% / 54% 42% 58% 46%; background: #e6e1d3; transform: rotate(7deg); }
.real-app-figure { margin: 0; }
.real-app-figure .real-app-shot { position: relative; z-index: 1; width: min(390px, 88%); transform: rotate(1.6deg); }
.real-app-figure figcaption { position: absolute; z-index: 4; right: 4%; bottom: 2%; max-width: 260px; padding: 9px 14px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: var(--paper); font-size: .68rem; font-weight: 650; }
.real-app-shot { position: relative; overflow: hidden; border: 1px solid var(--line); border-radius: 30px; background: #eef1ec; box-shadow: 0 24px 60px rgba(57, 57, 48, .13); }
.real-app-shot img { width: 100%; height: 100%; display: block; object-fit: cover; object-position: top left; }
.real-app-shot--mobile-crop { aspect-ratio: .66; }
.real-app-shot--mobile-crop img { width: 190%; max-width: none; height: auto; object-fit: initial; }
.phone-shell { width: min(360px, 88%); padding: 11px; position: relative; border-radius: 47px; background: #30322d; box-shadow: var(--shadow); transform: rotate(2deg); }
.phone-shell::before { content: ""; position: absolute; z-index: 2; top: 18px; left: 50%; width: 32%; height: 21px; border-radius: 20px; background: #30322d; transform: translateX(-50%); }
.phone-screen { min-height: 650px; padding: 34px 18px 88px; position: relative; overflow: hidden; border-radius: 38px; background: var(--ivory); }
.app-topbar { height: 52px; display: flex; align-items: center; justify-content: space-between; }
.app-topbar img { width: 72px; height: 44px; object-fit: contain; }
.app-topbar__actions { display: flex; gap: 7px; }
.app-topbar__actions span { width: 34px; aspect-ratio: 1; display: grid; place-items: center; font-weight: 800; }
.app-greeting { padding: 18px 4px 12px; }
.app-greeting span { display: block; color: var(--muted); font-size: .63rem; font-weight: 700; letter-spacing: .08em; }
.app-greeting strong { display: block; margin-top: 2px; font-size: 1.22rem; }
.mini-card { margin-top: 12px; padding: 17px; border: 1px solid var(--line); border-radius: 20px; background: var(--paper); box-shadow: 0 8px 20px rgba(70, 70, 60, .045); }
.mini-card__head { display: flex; align-items: center; gap: 8px; }
.mini-card__head span { color: var(--sage-deep); font-weight: 800; }
.mini-card__head strong { font-size: .82rem; }
.mini-card__head b { margin-left: auto; color: var(--sage-deep); font-size: 1.1rem; }
.mini-card p { margin: 10px 0 0; color: var(--muted); font-size: .68rem; }
.mini-card p + p { margin-top: 5px; }
.mini-card p i { width: 11px; aspect-ratio: 1; display: inline-block; vertical-align: -1px; border: 1.5px solid var(--sage); border-radius: 50%; }
.mini-card p i.is-done { background: var(--sage); }
.mini-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 14px; }
.mini-actions span { padding: 8px; border-radius: 10px; text-align: center; color: var(--sage-deep); background: #eef0e9; font-size: .68rem; font-weight: 700; }
.mini-nav { position: absolute; inset: auto 8px 8px; height: 72px; padding: 9px 10px; display: grid; grid-template-columns: repeat(5, 1fr); align-items: end; border: 1px solid var(--line); border-radius: 22px; background: rgba(255, 252, 246, .97); }
.mini-nav > span { min-width: 0; display: grid; place-items: center; color: var(--muted); font-size: .92rem; font-weight: 800; }
.mini-nav small { display: block; margin-top: 2px; font-size: .45rem; font-weight: 650; }
.mini-nav .is-active { color: var(--sage-deep); }
.mini-nav__add { width: 48px; aspect-ratio: 1; justify-self: center; align-self: start; border: 2px solid var(--sage-deep); outline: 3px solid var(--paper); border-radius: 50%; color: var(--sage-deep) !important; background: var(--paper); transform: translateY(-14px); font-size: 1.3rem !important; }
.mini-nav__add small { position: absolute; transform: translateY(29px); }
.doodle { position: absolute; z-index: 4; padding: 8px 13px; border: 1px solid var(--line); border-radius: 999px; color: var(--sage-deep); background: var(--paper); font-size: .72rem; font-weight: 750; box-shadow: 0 8px 20px rgba(60, 61, 54, .07); }
.doodle--one { top: 12%; right: -3%; transform: rotate(6deg); }
.doodle--two { bottom: 8%; left: -8%; transform: rotate(-7deg); }

.intro-strip { width: 100%; padding: 32px max(24px, calc((100vw - var(--max)) / 2)); display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; color: var(--paper); background: var(--sage-deep); }
.intro-strip p { margin: 0; padding: 10px 30px; border-right: 1px solid rgba(255,255,255,.23); }
.intro-strip p:first-child { padding-left: 0; }
.intro-strip p:last-child { border: 0; }
.intro-strip strong { display: block; font-size: 2rem; line-height: 1; letter-spacing: -.04em; }
.intro-strip span { display: block; margin-top: 9px; color: rgba(255,255,255,.72); font-size: .72rem; font-weight: 650; }

.ownership { padding-top: 110px; }
.ownership__list { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; list-style: none; }
.ownership__list li { min-height: 88px; padding: 16px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 18px; text-align: center; background: var(--paper); font-size: .78rem; font-weight: 700; }

.problem { display: grid; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); gap: 90px; }
.problem .section-heading { position: sticky; top: 125px; align-self: start; }
.problem__body { padding-top: 18px; }
.lead-text { margin: 0; font-size: clamp(1.28rem, 2.2vw, 1.85rem); line-height: 1.75; letter-spacing: -.025em; }
.thought-flow { margin: 58px 0; display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 12px; }
.thought-flow div { min-height: 140px; padding: 22px; display: flex; flex-direction: column; justify-content: space-between; border: 1px solid var(--line); border-radius: 20px; background: rgba(255,252,246,.55); }
.thought-flow span { color: var(--terra); font-size: .65rem; font-weight: 800; letter-spacing: .12em; }
.thought-flow strong { font-size: .92rem; line-height: 1.5; }
.thought-flow i { color: var(--sage); font-style: normal; }
blockquote { margin: 0; padding: 38px 42px; border-radius: 0 var(--radius) var(--radius) 0; border-left: 5px solid var(--sage); background: var(--paper); }
blockquote p { margin: 0; font-size: clamp(1.6rem, 3vw, 2.6rem); line-height: 1.5; letter-spacing: -.04em; font-weight: 720; }

.concept { width: 100%; padding-inline: max(24px, calc((100vw - var(--max)) / 2)); background: var(--paper); }
.concept-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.concept-grid article { min-height: 300px; padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--ivory); }
.concept-number { color: var(--terra); font-size: .7rem; font-weight: 800; letter-spacing: .12em; }
.concept-grid h3 { margin: 80px 0 14px; font-size: 2rem; }
.concept-grid p { margin: 0; color: var(--muted); }
.palette { margin-top: 26px; display: grid; grid-template-columns: repeat(6,1fr); border-radius: 24px; overflow: hidden; border: 1px solid var(--line); }
.palette span { min-height: 140px; padding: 82px 14px 15px; position: relative; background: var(--paper); }
.palette span::before { content: ""; position: absolute; inset: 0 0 auto; height: 72px; background: var(--swatch); border-bottom: 1px solid rgba(0,0,0,.08); }
.palette b, .palette small { display: block; font-size: .64rem; line-height: 1.5; }
.palette small { color: var(--muted); }

.feature-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 22px; }
.feature-card { min-height: 380px; padding: clamp(26px,4vw,44px); display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); overflow: hidden; }
.feature-card--large { grid-column: 1 / -1; min-height: 570px; display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 60px; background: #e9eadf; }
.feature-card--wide { grid-column: 1 / -1; min-height: 360px; display: grid; grid-template-columns: .85fr 1.15fr; align-items: center; gap: 60px; }
.feature-card__icon { width: 70px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 50%; color: var(--paper); background: var(--sage-deep); font-size: 1.8rem; }
.feature-index { margin: auto 0 12px; color: var(--terra); font-size: .68rem; font-weight: 800; letter-spacing: .13em; }
.feature-card--large .feature-index, .feature-card--wide .feature-index { margin-top: 0; }
.feature-card h3 { margin: 0 0 18px; font-size: clamp(1.6rem,3vw,2.7rem); }
.feature-card p:last-child { margin: 0; color: var(--muted); }
.dashboard-visual { padding: 28px; border-radius: 26px; background: var(--ivory); box-shadow: 0 26px 50px rgba(60,61,54,.1); transform: rotate(-1.5deg); }
.dashboard-visual div { padding: 22px; border-radius: 18px; background: var(--paper); border: 1px solid var(--line); }
.dashboard-visual div + div { margin-top: 12px; }
.dashboard-visual span { display: block; margin-bottom: 15px; color: var(--sage-deep); font-size: .75rem; font-weight: 800; }
.dashboard-visual b { display: block; margin-top: 8px; font-size: .8rem; font-weight: 600; }
.integration-flow { display: grid; grid-template-columns: 1fr 52px 1fr 52px 1fr; align-items: center; }
.integration-flow strong, .integration-flow span { min-height: 110px; display: grid; place-items: center; padding: 16px; border-radius: 22px; text-align: center; }
.integration-flow strong { color: var(--paper); background: var(--sage-deep); }
.integration-flow span { border: 1px solid var(--line); background: var(--ivory); font-weight: 750; }
.integration-flow i { height: 1px; background: var(--sand); }
.real-screen-gallery { margin-top: 70px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.real-screen-gallery figure { margin: 0; }
.real-screen-gallery .real-app-shot { border-radius: 24px; box-shadow: 0 16px 45px rgba(57, 57, 48, .1); }
.real-screen-gallery figcaption { margin-top: 14px; color: var(--muted); font-size: .78rem; line-height: 1.6; }
.real-screen-gallery figcaption b { display: block; color: var(--ink); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; }

.ux { padding-top: 80px; }
.ux-list { border-top: 1px solid var(--line); }
.ux-list article { display: grid; grid-template-columns: 90px 1fr; gap: 26px; padding: 36px 0; border-bottom: 1px solid var(--line); }
.ux-list article > span { color: var(--terra); font-size: .72rem; font-weight: 800; }
.ux-list div { display: grid; grid-template-columns: minmax(220px,.55fr) minmax(0,1fr); gap: 50px; }
.ux-list h3, .ux-list p { margin: 0; }
.ux-list h3 { font-size: 1.45rem; }
.ux-list p { color: var(--muted); }

.anomaly { width: min(calc(100% - 48px), 1280px); padding: 90px; display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; border-radius: 54px; color: #f9f4e9; background: #30332e; overflow: hidden; }
.anomaly__intro h2 { color: #f9f4e9; }
.anomaly__intro > p:last-child { margin-top: 30px; color: #c9cabf; }
.anomaly-real-gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; align-self: start; }
.anomaly-real-gallery figure { margin: 0; overflow: hidden; border: 1px solid rgba(255,255,255,.15); border-radius: 24px; background: #373a35; }
.anomaly-real-gallery img { width: 100%; aspect-ratio: .62; object-fit: cover; object-position: top center; }
.anomaly-real-gallery figcaption { padding: 14px 16px 16px; color: #d7d8cf; font-size: .7rem; line-height: 1.55; }
.anomaly__stage { min-height: 430px; position: relative; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.15); border-radius: 40px; background: radial-gradient(circle at 50% 55%, #50554c, #373a35 68%); transform: rotate(2deg); }
.anomaly__label { position: absolute; top: 20px; left: 24px; color: #d8d6c9; font-size: .67rem; letter-spacing: .13em; }
.anomaly__bubble { position: absolute; top: 62px; right: 38px; padding: 13px 18px; border-radius: 20px 20px 4px 20px; color: var(--ink); background: var(--paper); font-size: .8rem; font-weight: 800; }
.anomaly__mascot { width: 210px; aspect-ratio: 1; position: relative; display: grid; place-items: center; border-radius: 47% 53% 54% 46%; background: var(--sage); transform: scale(1.08) rotate(-7deg); }
.anomaly__mascot img { width: 120px; filter: brightness(0) invert(1); opacity: .88; }
.stolen-field { width: 170px; padding: 10px; position: absolute; right: -80px; bottom: 66px; border: 2px solid var(--terra); border-radius: 10px; color: var(--ink); background: var(--paper); font-size: .62rem; transform: rotate(12deg); }
.anomaly__alert { position: absolute; right: 24px; bottom: 20px; width: 48px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 50%; background: #d64545; font-weight: 800; }
.anomaly__cards { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.anomaly__cards article { padding: 28px; border: 1px solid rgba(255,255,255,.14); border-radius: 24px; background: rgba(255,255,255,.035); }
.anomaly__cards span { color: #c8aa7d; font-size: .62rem; font-weight: 800; letter-spacing: .12em; }
.anomaly__cards h3 { margin: 28px 0 12px; font-size: 1.1rem; }
.anomaly__cards p { margin: 0; color: #c9cabf; font-size: .85rem; }
.technical-note { margin: 28px 0 0; padding: 0 18px; border: 1px solid var(--line); border-radius: 15px; color: var(--muted); background: rgba(255,252,246,.72); font-size: .74rem; }
.technical-note summary { min-height: 44px; display: flex; align-items: center; color: var(--sage-deep); font-size: .68rem; font-weight: 800; letter-spacing: .08em; cursor: pointer; }
.technical-note p { margin: 0; padding: 0 0 16px; line-height: 1.65; }
.technical-note--dark { grid-column: 1 / -1; border-color: rgba(255,255,255,.15); color: #c9cabf; background: rgba(255,255,255,.04); }
.technical-note--dark summary { color: #d7c8a8; }

.timeline { display: grid; gap: 22px; }
.timeline > article { padding: 50px; display: grid; grid-template-columns: 160px 280px 1fr; gap: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); }
.timeline__tag { color: var(--terra); font-size: .67rem; font-weight: 800; letter-spacing: .12em; }
.timeline h3 { margin: 0; font-size: 1.8rem; }
.timeline ol { margin: 0; padding: 0; list-style: none; }
.timeline li { display: grid; grid-template-columns: 74px 1fr; gap: 18px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.timeline li:last-child { border: 0; }
.timeline li b { color: var(--sage-deep); font-size: .72rem; }
.timeline li span { color: var(--muted); font-size: .86rem; line-height: 1.6; }
.timeline .technical-note { grid-column: 3; margin-top: 8px; }

.technology { width: 100%; padding-inline: max(24px, calc((100vw - var(--max)) / 2)); background: var(--paper); }
.architecture { padding: 50px; border: 1px solid var(--line); border-radius: 34px; background: var(--ivory); }
.architecture__client { padding: 32px; text-align: center; border-radius: 24px; color: var(--paper); background: var(--sage-deep); }
.architecture span, .architecture__client > span { font-size: .62rem; font-weight: 800; letter-spacing: .13em; opacity: .8; }
.architecture h3 { margin: 6px 0 10px; font-size: 1.4rem; }
.architecture p { margin: 0; font-size: .82rem; line-height: 1.6; }
.architecture__connector { height: 90px; display: grid; grid-template-rows: 1fr auto 1fr; justify-items: center; }
.architecture__connector i { width: 1px; height: 100%; background: var(--sand); }
.architecture__connector b { padding: 5px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: var(--paper); font-size: .62rem; }
.architecture__services { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.architecture__services article { padding: 28px; border: 1px solid var(--line); border-radius: 22px; background: var(--paper); }
.architecture__services span { color: var(--terra); }
.architecture__services p { color: var(--muted); }
.tech-tags { margin-top: 25px; display: flex; flex-wrap: wrap; gap: 9px; }
.tech-tags span { padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px; background: var(--ivory); font-size: .72rem; font-weight: 650; }
.technology__authorship { margin: 32px 0 0; padding: 22px 26px; border-left: 4px solid var(--sage); color: var(--muted); background: var(--ivory); }

.ai-dev { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; align-items: center; }
.ai-dev h2 { margin: 0; }
.ai-dev__copy > p { margin-top: 30px; color: var(--muted); }
.ai-role-grid { margin-top: 34px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.ai-role-grid article { padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: var(--paper); }
.ai-role-grid span { color: var(--terra); font-size: .66rem; font-weight: 800; letter-spacing: .1em; }
.ai-role-grid p { margin: 8px 0 0; color: var(--muted); font-size: .78rem; line-height: 1.65; }
.prompt-method { display: grid; grid-template-columns: auto 1fr; gap: 0 22px; padding: 36px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); }
.prompt-method span { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; color: var(--paper); background: var(--sage-deep); font-size: .68rem; font-weight: 800; }
.prompt-method p { margin: 0; padding: 6px 0 30px; border-left: 1px solid var(--line); padding-left: 24px; color: var(--muted); }
.prompt-method p:last-child { padding-bottom: 6px; }
.prompt-method b { display: block; margin-bottom: 3px; color: var(--ink); font-size: .75rem; letter-spacing: .08em; }

.quality { padding-top: 90px; }
.quality__grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.quality__grid article { min-height: 260px; padding: 30px; border: 1px solid var(--line); border-radius: 25px; background: var(--paper); }
.quality__grid strong { display: block; color: var(--sage-deep); font-size: 2.8rem; line-height: 1; letter-spacing: -.06em; }
.quality__grid span { display: block; margin-top: 20px; font-weight: 750; }
.quality__grid p { margin: 12px 0 0; color: var(--muted); font-size: .82rem; }
.quality__note { margin: 18px 0 0; padding: 18px 22px; border-left: 3px solid var(--sand); color: var(--muted); background: rgba(255,252,246,.6); font-size: .76rem; }
.quality__methods { margin-top: 70px; display: grid; grid-template-columns: repeat(3,1fr); gap: 50px; }
.quality__methods span { color: var(--terra); font-size: .67rem; font-weight: 800; }
.quality__methods h3 { margin: 28px 0 12px; }
.quality__methods p { margin: 0; color: var(--muted); }

.learnings { width: min(calc(100% - 48px), 1280px); padding: 100px; display: grid; grid-template-columns: 1fr .85fr; gap: 100px; border-radius: 54px 54px 0 0; color: var(--paper); background: var(--sage-deep); }
.learnings h2 { color: var(--paper); }
.learnings .eyebrow { color: #d7c8a8; }
.learnings__body { border-top: 1px solid rgba(255,255,255,.25); }
.learnings__body p { margin: 0; padding: 25px 0; border-bottom: 1px solid rgba(255,255,255,.25); color: rgba(255,255,255,.78); }

.site-footer { width: min(calc(100% - 48px), 1280px); margin: 0 auto 24px; padding: 44px 70px; display: grid; grid-template-columns: 1fr 1.2fr auto; align-items: center; gap: 40px; border-radius: 0 0 54px 54px; background: #454b40; color: var(--paper); }
.site-footer > div { display: flex; align-items: center; gap: 14px; }
.site-footer p { margin: 0; color: rgba(255,255,255,.72); font-size: .8rem; }
.site-footer strong { color: white; }
.site-footer a { font-size: .72rem; font-weight: 750; }

@media (max-width: 980px) {
  .section { padding-block: 100px; }
  .hero { grid-template-columns: 1fr; padding-top: 85px; }
  .hero__copy { max-width: 760px; }
  .hero__visual { min-height: 720px; }
  .ownership__list { grid-template-columns: repeat(3, 1fr); }
  .phone-shell { width: 365px; }
  .problem { grid-template-columns: 1fr; gap: 24px; }
  .problem .section-heading { position: static; }
  .section-heading--row { grid-template-columns: 1fr; gap: 24px; }
  .feature-card--large, .feature-card--wide { grid-template-columns: 1fr; }
  .feature-card--wide .integration-flow { order: -1; }
  .anomaly { padding: 60px; grid-template-columns: 1fr; }
  .timeline > article { grid-template-columns: 110px 1fr; }
  .timeline ol { grid-column: 2; }
  .timeline .technical-note { grid-column: 2; }
  .ai-dev { grid-template-columns: 1fr; gap: 50px; }
  .quality__grid { grid-template-columns: repeat(2,1fr); }
  .learnings { padding: 70px; grid-template-columns: 1fr; gap: 50px; }
  .site-footer { grid-template-columns: 1fr auto; }
  .site-footer > p { grid-column: 1 / -1; grid-row: 2; }
}

@media (max-width: 720px) {
  .edit-toolbar { min-height: 0; padding: 10px 12px; flex-wrap: wrap; gap: 6px 10px; }
  .edit-toolbar > span { order: 3; width: 100%; }
  .edit-toolbar > div { margin-left: auto; }
  .edit-toolbar button { padding-inline: 10px; }
  .image-edit-controls label { grid-template-columns: 1fr; gap: 3px; }
  .user-image-gallery { grid-template-columns: 1fr; }
  .site-header { width: calc(100% - 24px); height: 64px; margin-top: 10px; padding: 0 14px 0 16px; top: 8px; border-radius: 18px; }
  .brand { font-size: .62rem; }
  .brand__mark { width: 33px; }
  .menu-button { min-width: 52px; min-height: 44px; padding: 0 4px; display: inline-flex; align-items: center; justify-content: flex-end; gap: 9px; border: 0; color: var(--ink); background: transparent; }
  .menu-button__label { font-size: .68rem; font-weight: 750; }
  .menu-button__icon { width: 17px; display: grid; gap: 5px; }
  .menu-button__icon i { height: 1.5px; background: currentColor; transition: transform 160ms ease; }
  .menu-button[aria-expanded="true"] .menu-button__icon i:first-child { transform: translateY(3.25px) rotate(45deg); }
  .menu-button[aria-expanded="true"] .menu-button__icon i:last-child { transform: translateY(-3.25px) rotate(-45deg); }
  .site-nav { position: absolute; inset: calc(100% + 7px) 0 auto; padding: 14px; display: none; grid-template-columns: repeat(2,1fr); gap: 8px; border: 1px solid var(--line); border-radius: 18px; background: var(--paper); box-shadow: var(--shadow); }
  .site-nav.is-open { display: grid; }
  .site-nav a { min-height: 44px; padding: 10px 12px; display: flex; align-items: center; border-radius: 11px; background: var(--ivory); }
  .section { width: min(calc(100% - 36px), var(--max)); padding-block: 82px; }
  .eyebrow { margin-bottom: 16px; }
  .section-heading { margin-bottom: 42px; }
  h2 { font-size: clamp(2.35rem,12vw,3.8rem); }
  .hero { min-height: auto; grid-template-columns: minmax(0,1fr); gap: 38px; padding-top: 76px; padding-bottom: 80px; }
  .hero h1 { font-size: clamp(5rem,28vw,7.6rem); }
  .hero__lead { margin-top: 28px; font-size: clamp(1.7rem,8.5vw,2.5rem); }
  .hero__meta { grid-template-columns: 1fr; gap: 16px; }
  .hero__meta div { display: grid; grid-template-columns: 78px 1fr; align-items: start; gap: 12px; }
  .hero__meta dd { margin-top: 0; }
  .hero__visual { min-height: 620px; }
  .real-app-figure .real-app-shot { width: min(340px, 94%); }
  .real-app-figure figcaption { right: 0; bottom: 0; max-width: 230px; }
  .phone-shell { width: min(340px,94%); }
  .phone-screen { min-height: 600px; }
  .doodle--one { right: -4px; }
  .doodle--two { left: 0; }
  .intro-strip { grid-template-columns: repeat(2,1fr); padding: 24px 18px; }
  .intro-strip p, .intro-strip p:first-child { padding: 18px; border-right: 1px solid rgba(255,255,255,.22); border-bottom: 1px solid rgba(255,255,255,.22); }
  .intro-strip p:nth-child(2n) { border-right: 0; }
  .intro-strip p:nth-last-child(-n+2) { border-bottom: 0; }
  .ownership__list { grid-template-columns: repeat(2, 1fr); }
  .ownership__list li { min-height: 72px; padding: 12px; }
  .problem__body { padding-top: 0; }
  .thought-flow { grid-template-columns: 1fr; gap: 10px; }
  .thought-flow div { min-height: 115px; }
  .thought-flow i { transform: rotate(90deg); text-align: center; }
  blockquote { padding: 28px; }
  .concept { width: 100%; padding-inline: 18px; }
  .concept-grid { grid-template-columns: 1fr; }
  .concept-grid article { min-height: 235px; }
  .concept-grid h3 { margin-top: 48px; }
  .palette { grid-template-columns: repeat(2,1fr); }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card--large, .feature-card--wide { grid-column: auto; min-height: 0; padding: 26px; gap: 36px; }
  .feature-card { min-height: 330px; }
  .real-screen-gallery { margin-top: 46px; grid-template-columns: 1fr; gap: 32px; }
  .real-screen-gallery .real-app-shot { width: min(100%, 360px); margin-inline: auto; }
  .integration-flow { grid-template-columns: 1fr 28px 1fr; grid-template-rows: auto 28px auto; }
  .integration-flow strong { grid-column: 1 / -1; }
  .integration-flow i:first-of-type { width: 1px; height: 28px; grid-column: 2; }
  .integration-flow span:first-of-type { grid-column: 1; }
  .integration-flow i:last-of-type { grid-column: 2; width: 28px; }
  .integration-flow span:last-child { grid-column: 3; }
  .ux-list article { grid-template-columns: 46px 1fr; gap: 12px; }
  .ux-list div { grid-template-columns: 1fr; gap: 12px; }
  .anomaly { width: calc(100% - 24px); padding: 48px 24px; border-radius: 36px; }
  .anomaly-real-gallery { grid-template-columns: 1fr; }
  .anomaly-real-gallery img { aspect-ratio: .74; }
  .anomaly__stage { min-height: 390px; }
  .anomaly__mascot { width: 165px; }
  .anomaly__mascot img { width: 92px; }
  .stolen-field { width: 140px; right: -55px; }
  .anomaly__cards { grid-template-columns: 1fr; }
  .timeline > article { padding: 30px 24px; grid-template-columns: 1fr; gap: 16px; }
  .timeline ol { grid-column: auto; }
  .timeline .technical-note { grid-column: auto; }
  .timeline li { grid-template-columns: 62px 1fr; gap: 12px; }
  .technology { width: 100%; padding-inline: 18px; }
  .architecture { padding: 22px; }
  .architecture__services { grid-template-columns: 1fr; }
  .prompt-method { padding: 24px; }
  .ai-role-grid { grid-template-columns: 1fr; }
  .quality__grid, .quality__methods { grid-template-columns: 1fr; }
  .quality__grid article { min-height: 220px; }
  .quality__methods { gap: 34px; }
  .learnings { width: calc(100% - 24px); padding: 60px 28px; border-radius: 36px 36px 0 0; }
  .site-footer { width: calc(100% - 24px); margin-bottom: 12px; padding: 36px 28px; grid-template-columns: 1fr; border-radius: 0 0 36px 36px; }
  .site-footer > p, .site-footer a { grid-column: auto; grid-row: auto; }
}

@media (max-width: 370px) {
  .brand > span:last-child { display: none; }
  .hero__visual { min-height: 580px; }
  .phone-shell { width: min(292px, 96%); transform: none; }
  .phone-screen { min-height: 560px; padding-inline: 14px; }
  .doodle { font-size: .62rem; }
  .mini-card { padding: 14px; }
  .anomaly__bubble { right: 20px; }
  .stolen-field { right: -32px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}