:root {
    --paper: #F2F3F0;
    --paper-deep: #E9EBE6;
    --sumi: #1C2126;
    --sumi-soft: #4A5158;
    --ai: #22456B;        /* 藍 — 主色 */
    --ai-deep: #16324F;
    --shu: #C73E2E;       /* 朱 — human-required / CTA のみ */
    --karashi: #B98A2F;   /* 芥子 — context-needed */
    --seiji: #5C7A8A;     /* 青灰 — machine-verified */
    --line: #D5D8D1;
    --ink-bg: #131B24;    /* 藍墨 — 端末・暗部 */
    --ink-line: #2A3540;
    --ink-text: #C9D2DA;
    --font-display: "Shippori Mincho", serif;
    --font-body: "IBM Plex Sans JP", sans-serif;
    --font-mono: "IBM Plex Mono", monospace;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }

  html { scroll-behavior: smooth; }

  body {
    font-family: var(--font-body);
    background: var(--paper);
    color: var(--sumi);
    line-height: 1.85;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }

  a { color: var(--ai); }

  code, pre { font-family: var(--font-mono); }

  /* 折り返し改善: 行末の孤立文字（1〜2 文字だけの行送り）を避ける */
  p, dd, li, figcaption, h1, h2, h3 {
    text-wrap: pretty;
  }

  /* 日本語は文節単位で折り返す（対応ブラウザのみ。未対応環境では従来どおり） */
  :lang(ja) p,
  :lang(ja) dd,
  :lang(ja) li,
  :lang(ja) figcaption,
  :lang(ja) h1,
  :lang(ja) h2,
  :lang(ja) h3 {
    word-break: auto-phrase;
  }

  .container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
  }

  /* ---------- Header ---------- */

  .site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: color-mix(in srgb, var(--paper) 92%, transparent);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
  }

  .site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
  }

  .logotype {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: 0.35em;
    color: var(--sumi);
    text-decoration: none;
  }

  .logotype .romaji {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.18em;
    color: var(--sumi-soft);
    margin-left: 0.6em;
  }

  .site-nav {
    display: flex;
    align-items: center;
    gap: 28px;
  }

  .site-nav a {
    font-size: 0.85rem;
    color: var(--sumi-soft);
    text-decoration: none;
    letter-spacing: 0.06em;
    white-space: nowrap;
  }

  .site-nav a:hover { color: var(--ai); }

  .nav-cta {
    display: inline-block;
    background: var(--ai-deep);
    color: var(--paper) !important;
    padding: 7px 18px;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-decoration: none;
  }

  .nav-cta:hover { background: var(--shu); }

  .lang-toggle {
    display: inline-flex;
    align-items: stretch;
    border: 1px solid var(--ai-deep);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    line-height: 1;
  }

  .lang-toggle a,
  .lang-toggle .active {
    display: inline-flex;
    align-items: center;
    padding: 7px 14px;
    text-decoration: none;
    white-space: nowrap;
  }

  .lang-toggle a { color: var(--ai-deep); }

  .lang-toggle a:hover { background: rgba(34, 69, 107, 0.1); color: var(--ai-deep); }

  .lang-toggle .active {
    background: var(--ai-deep);
    color: var(--paper);
  }

  /* ナビ 6 項目 + 言語トグル + CTA が収まらない中間幅への対応 */
  @media (max-width: 1080px) {
    .site-nav { gap: 16px; }
    .site-nav a { font-size: 0.8rem; }
  }

  @media (max-width: 940px) {
    .site-nav > a:not(.nav-cta) { display: none; }
  }

  /* ---------- Hero: 門型レイアウト ---------- */

  .hero {
    border-bottom: 1px solid var(--line);
    background:
      linear-gradient(to bottom, rgba(34, 69, 107, 0.035), transparent 40%),
      var(--paper);
  }

  .hero-gate {
    display: grid;
    grid-template-columns: 72px 1fr;
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
  }

  /* 門柱: 縦書きの「門守」 */
  .gate-post {
    border-right: 4px solid var(--ai-deep);
    display: flex;
    justify-content: flex-end;
    padding: 48px 16px 48px 0;
  }

  .gate-post .tate {
    writing-mode: vertical-rl;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 2rem;
    letter-spacing: 0.5em;
    color: var(--ai-deep);
  }

  .hero-body {
    padding: 64px 0 72px 48px;
  }

  /* 冠木: 上部の太い横木 */
  .hero-body::before {
    content: "";
    display: block;
    width: 120px;
    height: 4px;
    background: var(--ai-deep);
    margin-bottom: 36px;
  }

  .eyebrow {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.22em;
    color: var(--sumi-soft);
    text-transform: uppercase;
    margin-bottom: 20px;
  }

  h1 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(1.7rem, 4.2vw, 2.7rem);
    line-height: 1.55;
    letter-spacing: 0.04em;
    margin-bottom: 24px;
  }

  h1 .accent { color: var(--shu); }

  .hero-lead {
    color: var(--sumi-soft);
    margin-bottom: 36px;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 56px;
  }

  .btn {
    display: inline-block;
    padding: 13px 32px;
    font-size: 0.95rem;
    letter-spacing: 0.1em;
    text-decoration: none;
    transition: background-color 0.2s ease, color 0.2s ease;
  }

  .btn-primary {
    background: var(--ai-deep);
    color: var(--paper);
  }

  .btn-primary:hover { background: var(--shu); }

  .btn-ghost {
    color: var(--ai-deep);
    border: 1px solid var(--ai-deep);
  }

  .btn-ghost:hover {
    background: var(--ai-deep);
    color: var(--paper);
  }

  @media (max-width: 720px) {
    .hero-gate { grid-template-columns: 44px 1fr; }
    .gate-post .tate { font-size: 1.3rem; }
    .hero-body { padding-left: 24px; }
  }

  /* ---------- 端末モック ---------- */

  .terminal {
    background: var(--ink-bg);
    border: 1px solid var(--ink-line);
    box-shadow: 0 24px 48px -24px rgba(22, 50, 79, 0.45);
    max-width: 760px;
  }

  .terminal-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-bottom: 1px solid var(--ink-line);
  }

  .terminal-bar i {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--ink-line);
  }

  .terminal-bar span {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: #5E6B77;
    letter-spacing: 0.1em;
  }

  .terminal pre {
    padding: 20px 24px 26px;
    font-size: 0.82rem;
    line-height: 1.75;
    color: var(--ink-text);
    overflow-x: auto;
  }

  .terminal video {
    display: block;
    width: 100%;
    height: auto;
    background: var(--ink-bg);
  }

  .video-note {
    margin-top: 12px;
    max-width: 760px;
    font-size: 0.8rem;
    color: var(--sumi-soft);
  }

  .sample-link {
    margin-top: 14px;
    font-size: 0.85rem;
  }

  .sample-link a {
    color: var(--ai-deep);
    text-decoration: none;
    border-bottom: 1px solid var(--ai-deep);
    padding-bottom: 2px;
  }

  .sample-link a:hover { color: var(--shu); border-color: var(--shu); }

  .terminal .prompt { color: #5E6B77; }
  .terminal .cmd { color: #E8EDF2; font-weight: 600; }
  .terminal .head { color: #E8EDF2; font-weight: 600; }
  .terminal .t-human { color: #E58A7C; }
  .terminal .t-context { color: #D8B36A; }
  .terminal .t-machine { color: #8FB3C7; }
  .terminal .t-dim { color: #5E6B77; }

  /* ---------- セクション共通 ---------- */

  section { padding: 88px 0; }

  .section-head {
    margin-bottom: 48px;
  }

  .section-head .kanban {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.24em;
    color: var(--shu);
    margin-bottom: 14px;
  }

  h2 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(1.45rem, 3vw, 2rem);
    line-height: 1.6;
    letter-spacing: 0.04em;
  }

  .section-head p {
    margin-top: 16px;
    color: var(--sumi-soft);
  }

  /* 英文引用見出しの和訳行 */
  .section-head .h2-trans {
    margin-top: 12px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: 0.04em;
    color: var(--sumi);
  }

  h3 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.15rem;
    letter-spacing: 0.05em;
  }

  /* ---------- 帯画像 ---------- */

  .band {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: var(--paper-deep);
  }

  .band img {
    display: block;
    width: 100%;
    max-width: 1080px;
    margin: 0 auto;
    height: auto;
  }

  /* ---------- なぜ必要か ---------- */

  .why-grid {
    display: grid;
    grid-template-columns: 5fr 6fr;
    gap: 56px;
    align-items: center;
  }

  .why-grid figure img {
    width: 100%;
    height: auto;
    border: 1px solid var(--line);
  }

  .why-grid figcaption {
    font-size: 0.78rem;
    color: var(--sumi-soft);
    margin-top: 10px;
    letter-spacing: 0.04em;
  }

  .why-copy p { margin-bottom: 20px; }

  .why-copy strong { color: var(--ai-deep); }

  @media (max-width: 860px) {
    .why-grid { grid-template-columns: 1fr; gap: 36px; }
  }

  .not-do {
    margin-top: 64px;
    border: 1px solid var(--line);
    background: #FFFFFF;
    padding: 36px 40px;
  }

  .not-do h3 { margin-bottom: 18px; }

  .not-do ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 10px 32px;
  }

  .not-do li {
    padding-left: 1.4em;
    position: relative;
    font-size: 0.92rem;
    color: var(--sumi-soft);
  }

  .not-do li::before {
    content: "×";
    position: absolute;
    left: 0;
    color: var(--shu);
    font-weight: 700;
  }

  .not-do .note {
    margin-top: 18px;
    font-size: 0.85rem;
    color: var(--sumi-soft);
  }

  /* ---------- 何が違うのか ---------- */

  .diff-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  @media (max-width: 860px) {
    .diff-grid { grid-template-columns: 1fr; }
  }

  .diff-item {
    background: #FFFFFF;
    border: 1px solid var(--line);
    border-top: 3px solid var(--ai-deep);
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
  }

  .diff-item h3 {
    font-size: 1.05rem;
    margin-bottom: 16px;
  }

  .diff-item .diff-sub {
    display: block;
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--sumi-soft);
    margin-top: 6px;
  }

  .diff-item p {
    font-size: 0.92rem;
    color: var(--sumi-soft);
    margin-bottom: 16px;
  }

  .diff-item .diff-note {
    font-size: 0.82rem;
    margin-top: auto;
    margin-bottom: 0;
    padding-top: 14px;
    border-top: 1px solid var(--line);
  }

  .diff-item code {
    font-size: 0.82rem;
    color: var(--ai-deep);
  }

  .pipeline {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 10px;
    font-family: var(--font-mono);
    font-size: 0.76rem;
    margin: 2px 0 18px;
  }

  /* 矢印は次のノードと一体で折り返し、行末に矢印が残らないようにする */
  .pipeline .pipe-step {
    display: inline-flex;
    align-items: center;
    gap: 10px;
  }

  .pipeline .node {
    border: 1px solid var(--line);
    background: var(--paper);
    padding: 5px 10px;
    color: var(--sumi-soft);
    white-space: nowrap;
  }

  .pipeline .is-kadomori {
    background: var(--ai-deep);
    border-color: var(--ai-deep);
    color: var(--paper);
    font-weight: 600;
  }

  .pipeline i {
    font-style: normal;
    color: var(--sumi-soft);
  }

  /* ---------- 誰が楽になるか ---------- */

  .persona-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  @media (max-width: 860px) {
    .persona-grid { grid-template-columns: 1fr; }
  }

  .persona {
    background: #FFFFFF;
    border: 1px solid var(--line);
    border-top: 3px solid var(--ai-deep);
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
  }

  .persona .role {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    color: var(--sumi-soft);
    margin-bottom: 8px;
  }

  .persona h3 { margin-bottom: 20px; }

  .persona dl { font-size: 0.9rem; }

  .persona dt {
    font-weight: 700;
    font-size: 0.78rem;
    letter-spacing: 0.16em;
    margin-bottom: 6px;
  }

  .persona dt.before { color: var(--shu); }
  .persona dt.after { color: var(--ai); }

  .persona dd {
    color: var(--sumi-soft);
    margin-bottom: 20px;
  }

  .persona dd:last-child { margin-bottom: 0; }

  /* ---------- 仕組み ---------- */

  .mechanism { background: var(--paper-deep); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

  .flow {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: 16px;
    align-items: stretch;
    margin-bottom: 64px;
  }

  .flow-node {
    background: #FFFFFF;
    border: 1px solid var(--line);
    padding: 24px 22px;
  }

  .flow-node.gate-node {
    background: var(--ai-deep);
    color: var(--paper);
    border-color: var(--ai-deep);
  }

  .flow-node .label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    color: var(--sumi-soft);
    margin-bottom: 10px;
  }

  .flow-node.gate-node .label { color: #9DB2C6; }

  .flow-node .name {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.02rem;
    margin-bottom: 8px;
  }

  .flow-node p { font-size: 0.84rem; color: var(--sumi-soft); }
  .flow-node.gate-node p { color: #C3CFDA; }

  .flow-node code { font-size: 0.8rem; }

  .flow-arrow {
    align-self: center;
    color: var(--sumi-soft);
    font-size: 1.2rem;
  }

  @media (max-width: 860px) {
    .flow { grid-template-columns: 1fr; }
    .flow-arrow { transform: rotate(90deg); justify-self: center; }
  }

  .review-map {
    margin-bottom: 64px;
  }

  .review-map h3 { margin-bottom: 8px; }

  .review-map > p {
    font-size: 0.92rem;
    color: var(--sumi-soft);
    margin-bottom: 28px;
  }

  .rm-rows { display: grid; gap: 12px; }

  .rm-row {
    display: grid;
    grid-template-columns: 220px 1fr;
    background: #FFFFFF;
    border: 1px solid var(--line);
  }

  .rm-key {
    padding: 18px 20px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    color: #FFFFFF;
    display: flex;
    align-items: center;
  }

  .rm-key.human { background: var(--shu); }
  .rm-key.context { background: var(--karashi); }
  .rm-key.machine { background: var(--seiji); }

  .rm-desc {
    padding: 18px 22px;
    font-size: 0.9rem;
    color: var(--sumi-soft);
  }

  .rm-desc b { color: var(--sumi); }

  @media (max-width: 720px) {
    .rm-row { grid-template-columns: 1fr; }
  }

  .layer-table-wrap { margin-bottom: 64px; }

  .layer-table-wrap h3 { margin-bottom: 8px; }

  .layer-table-wrap > p {
    font-size: 0.92rem;
    color: var(--sumi-soft);
    margin-bottom: 28px;
  }

  table.layers {
    width: 100%;
    border-collapse: collapse;
    background: #FFFFFF;
    border: 1px solid var(--line);
    font-size: 0.9rem;
  }

  table.layers th, table.layers td {
    text-align: left;
    padding: 14px 18px;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
  }

  table.layers th {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    color: var(--sumi-soft);
    background: var(--paper);
    font-weight: 600;
  }

  table.layers td:first-child {
    font-weight: 700;
    white-space: nowrap;
  }

  table.layers td .speed {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--sumi-soft);
    font-weight: 400;
    margin-top: 4px;
  }

  .handoff-grid {
    display: grid;
    grid-template-columns: 6fr 5fr;
    gap: 56px;
    align-items: center;
  }

  .handoff-grid figure img {
    width: 100%;
    height: auto;
    border: 1px solid var(--line);
  }

  .handoff-grid figcaption {
    font-size: 0.78rem;
    color: var(--sumi-soft);
    margin-top: 10px;
    letter-spacing: 0.04em;
  }

  .handoff-copy h3 { margin-bottom: 16px; }
  .handoff-copy p { margin-bottom: 16px; color: var(--sumi-soft); font-size: 0.95rem; }

  .artifact-list {
    list-style: none;
    margin-top: 8px;
    display: grid;
    gap: 10px;
  }

  .artifact-list li {
    background: #FFFFFF;
    border: 1px solid var(--line);
    padding: 12px 16px;
    font-size: 0.88rem;
    display: flex;
    gap: 14px;
    align-items: baseline;
  }

  .artifact-list code {
    font-size: 0.8rem;
    color: var(--ai-deep);
    font-weight: 600;
    white-space: nowrap;
  }

  .artifact-list span { color: var(--sumi-soft); }

  .artifact-list .sample-cta {
    margin-left: auto;
    font-size: 0.78rem;
    color: var(--ai-deep);
    text-decoration: none;
    white-space: nowrap;
    border-bottom: 1px solid var(--ai-deep);
    padding-bottom: 1px;
  }

  .artifact-list .sample-cta:hover { color: var(--shu); border-color: var(--shu); }

  .sample-source {
    margin-top: 14px;
    font-size: 0.8rem;
    color: var(--sumi-soft);
  }

  @media (max-width: 860px) {
    .handoff-grid { grid-template-columns: 1fr; gap: 36px; }
  }

  /* ---------- 安心設計 ---------- */

  /* 注記段落の削除後、後続セクションとの素の余白が間延びするため下側だけ詰める */
  #trust { padding-bottom: 24px; }

  .trust-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
  }

  @media (max-width: 860px) {
    .trust-grid { grid-template-columns: 1fr; gap: 32px; }
  }

  .trust-item {
    border-top: 3px solid var(--ai-deep);
    padding-top: 22px;
  }

  .trust-item h3 {
    font-size: 1.05rem;
    margin-bottom: 12px;
  }

  .trust-item p {
    font-size: 0.9rem;
    color: var(--sumi-soft);
  }

  .trust-item code {
    font-size: 0.82rem;
    color: var(--ai-deep);
  }

  /* ---------- 導入手順 ---------- */

  .steps { counter-reset: step; display: grid; gap: 0; }

  .step {
    display: grid;
    grid-template-columns: 96px 1fr;
    gap: 0 32px;
    padding: 40px 0;
    border-top: 1px solid var(--line);
  }

  .step:last-child { border-bottom: 1px solid var(--line); }

  .step-no {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--ai-deep);
    line-height: 1.2;
  }

  .step-no small {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    color: var(--sumi-soft);
  }

  .step-body h3 { margin-bottom: 10px; }

  .step-body > p {
    font-size: 0.93rem;
    color: var(--sumi-soft);
    margin-bottom: 18px;
  }

  .step-body .fine {
    font-size: 0.82rem;
    color: var(--sumi-soft);
    margin-top: 12px;
    margin-bottom: 0;
  }

  @media (max-width: 720px) {
    .step { grid-template-columns: 1fr; gap: 12px; }
  }

  .codeblock {
    background: var(--ink-bg);
    border: 1px solid var(--ink-line);
    position: relative;
    max-width: 760px;
  }

  .codeblock pre {
    padding: 18px 22px;
    font-size: 0.82rem;
    line-height: 1.8;
    color: var(--ink-text);
    overflow-x: auto;
  }

  .codeblock .comment { color: #5E6B77; }
  .codeblock .cmd { color: #E8EDF2; }

  .copy-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    color: #8FA3B5;
    background: transparent;
    border: 1px solid var(--ink-line);
    padding: 4px 10px;
    cursor: pointer;
  }

  .copy-btn:hover { color: var(--paper); border-color: #8FA3B5; }

  /* OS タブ */
  .os-tabs { max-width: 760px; }

  .os-tabs .tab-bar {
    display: flex;
    gap: 0;
  }

  .os-tabs .tab-bar button {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    padding: 9px 20px;
    background: var(--paper-deep);
    color: var(--sumi-soft);
    border: 1px solid var(--line);
    border-bottom: none;
    cursor: pointer;
  }

  .os-tabs .tab-bar button[aria-selected="true"] {
    background: var(--ink-bg);
    color: var(--paper);
    border-color: var(--ink-bg);
  }

  .os-tabs .tab-panel { display: none; }
  .os-tabs .tab-panel.active { display: block; }

  /* ---------- CTA / Footer ---------- */

  .final-cta {
    background: var(--ai-deep);
    color: var(--paper);
    text-align: center;
    padding: 88px 24px;
  }

  .final-cta h2 { color: var(--paper); margin-bottom: 16px; }

  .final-cta p {
    color: #B9C7D4;
    max-width: 560px;
    margin: 0 auto 36px;
    font-size: 0.95rem;
  }

  .final-cta .btn-primary {
    background: var(--paper);
    color: var(--ai-deep);
    font-weight: 700;
  }

  .final-cta .btn-primary:hover { background: var(--shu); color: var(--paper); }

  .site-footer {
    background: var(--ink-bg);
    color: #8FA3B5;
    padding: 48px 0;
    font-size: 0.83rem;
  }

  .site-footer .container {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: space-between;
    align-items: baseline;
  }

  .site-footer a { color: #C9D2DA; text-decoration: none; }
  .site-footer a:hover { text-decoration: underline; }

  .site-footer .foot-logo {
    font-family: var(--font-display);
    font-size: 1rem;
    letter-spacing: 0.35em;
    color: var(--paper);
  }

  .site-footer .foot-note {
    width: 100%;
    font-size: 0.75rem;
    color: #5E6B77;
    margin-top: 8px;
  }

  /* ---------- Motion ---------- */

  @media (prefers-reduced-motion: no-preference) {
    .hero-body > * {
      animation: rise 0.7s ease-out both;
    }
    .hero-body > *:nth-child(2) { animation-delay: 0.08s; }
    .hero-body > *:nth-child(3) { animation-delay: 0.16s; }
    .hero-body > *:nth-child(4) { animation-delay: 0.24s; }
    .hero-body > *:nth-child(5) { animation-delay: 0.32s; }
    @keyframes rise {
      from { opacity: 0; transform: translateY(14px); }
      to { opacity: 1; transform: none; }
    }
  }

  :focus-visible {
    outline: 2px solid var(--shu);
    outline-offset: 2px;
  }