/* =========================================================
   r_AKanaly 解説サイト スタイル
   配色は公開サイト https://r-akanaly.com（lime テーマ）に合わせている。
   色は役割ごとに固定：ミント(--cyan)=LLM/エージェント・主アクセント、アンバー=動的解析、
   バイオレット=静的解析、ライム(--green)=根拠、ローズ=検体・不明点
   ※ 変数名 --cyan / --green は既存コードとの互換のため名前を残している
   ========================================================= */

:root {
  --bg: #080f18;
  --bg-2: #0a1420;
  --surface: #0c1823;
  --surface-2: #11202d;
  --line: #20313e;
  --line-2: #2d4352;
  --text: #edf3f5;
  --text-2: #b3c0c9;
  --text-3: #92a6b4;
  --cyan: #70ebc6;
  --accent-2: #a5f9dd;
  --on-accent: #06231b;
  --amber: #ffb547;
  --violet: #a28eff;
  --green: #cbff55;
  --rose: #ff8aa0;
  --sky: #6cb8ff;      /* 独自エージェント（Host / OS / Ghidra agent）の色。LLM のミントと区別する */
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  --glass: rgba(8, 15, 24, 0.82);
  --radius: 16px;
  --font-sans: "Noto Sans JP", system-ui, sans-serif;
  --font-display: "Space Grotesk", "Noto Sans JP", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  color-scheme: dark;
}

/* ライトテーマ：切替ボタンで選んだときだけ適用（標準はダーク）。
   公開サイトの明るい配色（#f1f2ee / #171c23 / #c6ccd0）を土台に、ミントは読みやすい濃さに下げる */
:root[data-theme="light"] {
  --bg: #f1f2ee;
  --bg-2: #e8ebe7;
  --surface: #ffffff;
  --surface-2: #f5f7f4;
  --line: #d5dadc;
  --line-2: #c6ccd0;
  --text: #171c23;
  --text-2: #46525e;
  --text-3: #64707c;
  --cyan: #0e8f6c;
  --accent-2: #12a880;
  --on-accent: #ffffff;
  --amber: #b86a00;
  --violet: #6a4ee0;
  --green: #5f8f00;
  --rose: #cf3f5f;
  --sky: #1f6fd6;
  --shadow: 0 18px 50px rgba(23, 28, 35, 0.1);
  --glass: rgba(241, 242, 238, 0.86);
  color-scheme: light;
}

/* ---------- ベース ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3 { line-height: 1.35; margin: 0; }
p { margin: 0; }
a { color: inherit; }
code, .mono { font-family: var(--font-mono); }
button { font: inherit; color: inherit; }
strong { color: var(--text); font-weight: 700; }

.container { width: min(1160px, 100% - 32px); margin-inline: auto; }

.c-cyan { color: var(--cyan); }
.c-sky { color: var(--sky); }
.c-amber { color: var(--amber); }
.c-violet { color: var(--violet); }
.c-green { color: var(--green); }
.c-muted { color: var(--text-3); }
.bg-cyan { background: var(--cyan); }
.bg-amber { background: var(--amber); }
.bg-violet { background: var(--violet); }
.bg-green { background: var(--green); }
.bg-rose { background: var(--rose); }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; flex: none; }
.hint { display: inline-block; margin-top: 6px; font-size: 0.88rem; color: var(--text-3); }

/* ---------- ヘッダー ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; gap: 24px;
  height: 60px; padding: 0 max(16px, calc((100% - 1160px) / 2));
  background: var(--glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
/* イラストロゴ：縦幅は固定 */
.brand-mark { display: flex; height: 40px; }
.brand-mark img { height: 40px; width: 40px; display: block; }

/* ロゴ画像のテーマ別出し分け（ダーク=白版、ライト=黒版） */
.on-light { display: none !important; }
:root[data-theme="light"] .on-light { display: block !important; }
:root[data-theme="light"] .on-dark { display: none !important; }
.brand-name { font-family: var(--font-display); font-weight: 700; letter-spacing: 0.02em; font-size: 1.1rem; }
.site-nav { display: flex; gap: 4px; margin-left: auto; }
.site-nav a {
  text-decoration: none; font-size: 0.88rem; color: var(--text-2);
  padding: 6px 12px; border-radius: 999px; transition: color .2s, background .2s;
}
.site-nav a:hover { color: var(--text); background: var(--surface-2); }
.site-nav a.is-current { color: var(--text); background: var(--surface-2); box-shadow: inset 0 0 0 1px var(--line-2); }
.theme-toggle {
  width: 38px; height: 38px; display: grid; place-items: center; flex: none;
  border-radius: 10px; border: 1px solid var(--line-2); background: var(--surface);
  cursor: pointer;
}
.theme-toggle svg { width: 18px; height: 18px; fill: none; stroke: var(--text-2); stroke-width: 1.8; stroke-linecap: round; }
/* ヘッダーのダウンロードボタン：ナビが隠れる狭い画面でも常に表示する */
.nav-download {
  display: inline-flex; align-items: center; gap: 6px; flex: none; text-decoration: none;
  padding: 8px 14px; border-radius: 10px; font-size: 0.86rem; font-weight: 700;
  color: var(--on-accent); background: var(--cyan); box-shadow: 0 6px 18px color-mix(in srgb, var(--cyan) 30%, transparent);
  transition: transform .2s, box-shadow .2s;
}
.nav-download svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.nav-download:hover { background: var(--accent-2); transform: translateY(-1px); box-shadow: 0 10px 24px color-mix(in srgb, var(--cyan) 40%, transparent); }
.nav-download.is-current { background: transparent; color: var(--cyan); box-shadow: inset 0 0 0 1.5px var(--cyan); }

/* 言語切り替え（JP / EN）：公開サイトと同じく枠付きの2択。選択中はミントで示す */
.lang-switch { display: flex; gap: 2px; padding: 3px; flex: none; border: 1px solid var(--line-2); border-radius: 10px; }
.lang-switch a {
  display: grid; place-items: center; min-width: 36px; height: 30px; padding: 0 6px; border-radius: 7px;
  font: 700 0.78rem/1 var(--font-mono); letter-spacing: 0.04em; color: var(--text-2); text-decoration: none;
  transition: color .2s, background .2s;
}
.lang-switch a:hover { color: var(--text); background: var(--surface-2); }
.lang-switch a[aria-current="true"] { color: var(--on-accent); background: var(--cyan); }

/* テキストリンク（ページ間の移動など） */
.text-link { color: var(--text-2); text-decoration: none; font-weight: 700; font-size: 0.92rem; }
.text-link:hover { color: var(--cyan); }

/* フッターのページリンク */
.footer-links { display: flex; gap: 18px; font-weight: 700; }
.footer-links a { color: var(--text); text-decoration: none; }
.footer-links a:hover, .footer-links a[aria-current="page"] { color: var(--cyan); }

.theme-toggle .i-sun { display: none; }
:root[data-theme="light"] .theme-toggle .i-sun { display: block; }
:root[data-theme="light"] .theme-toggle .i-moon { display: none; }

/* ---------- ヒーロー ---------- */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  padding: 100px 0 80px; overflow: hidden;
  background:
    radial-gradient(60% 50% at 75% 40%, color-mix(in srgb, var(--cyan) 12%, transparent), transparent 70%),
    radial-gradient(40% 40% at 85% 85%, color-mix(in srgb, var(--violet) 10%, transparent), transparent 70%),
    var(--bg);
}
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.hero-labels { position: absolute; inset: 0; pointer-events: none; }
.hero-label {
  position: absolute; left: 0; top: 0; transform: translate(-50%, -50%);
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em;
  padding: 3px 9px; border-radius: 6px; border: 1px solid currentColor;
  background: var(--glass); opacity: 0; transition: opacity .6s;
  white-space: nowrap;
}
.hero-label.is-on { opacity: 0.9; }
.c-rose { color: var(--rose); }

/* 3Dシーンのドラッグ回転。縦スワイプはページスクロールに譲る */
.hero-canvas { cursor: grab; touch-action: pan-y; }
.hero.is-dragging .hero-canvas { cursor: grabbing; }
.hero.is-dragging { user-select: none; }
.hero-hint {
  position: absolute; right: max(16px, calc((100% - 1160px) / 2)); bottom: 28px;
  font-size: 0.72rem; letter-spacing: 0.06em; color: var(--text-3); pointer-events: none;
}
/* マウス環境とタッチ環境で操作説明を切り替える */
.hint-touch { display: none; }
@media (hover: none) {
  .hint-mouse { display: none; }
  .hint-touch { display: inline; }
}

.hero-inner { position: relative; width: min(1160px, 100% - 32px); margin-inline: auto; pointer-events: none; }
.hero-inner > * { pointer-events: auto; max-width: 600px; }
.eyebrow {
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.1em;
  color: var(--cyan); margin-bottom: 18px;
}
/* 見出し：1行目は文字ロゴ画像（縦幅固定）、2・3行目は固定サイズの文字 */
.hero-title {
  font-size: 64px; font-weight: 900; letter-spacing: -0.01em; line-height: 1.25;
}
.hero-wordlogo { display: block; height: 84px; margin-bottom: 4px; }
.hero-wordlogo img { height: 84px; width: auto; display: block; }
.hero-line { display: block; }
.nw { display: inline-block; white-space: nowrap; }
.grad {
  background: linear-gradient(90deg, var(--cyan), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-lead { margin-top: 24px; color: var(--text-2); font-size: 1.05rem; max-width: 540px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.btn {
  display: inline-flex; align-items: center; text-decoration: none; font-weight: 700; font-size: 0.95rem;
  padding: 12px 22px; border-radius: 12px; transition: transform .2s, box-shadow .2s, background .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary:hover { background: var(--accent-2); }
.btn-primary { background: var(--cyan); color: var(--on-accent); box-shadow: 0 10px 30px color-mix(in srgb, var(--cyan) 35%, transparent); }
.btn-ghost { border: 1px solid var(--line-2); background: var(--glass); }
.legend { list-style: none; padding: 0; margin: 36px 0 0; display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 0.82rem; color: var(--text-2); }
.legend li { display: flex; align-items: center; gap: 8px; }
.scroll-cue {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%);
  width: 26px; height: 42px; border: 1.5px solid var(--line-2); border-radius: 14px;
}
.scroll-cue span {
  position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px;
  border-radius: 2px; background: var(--text-2); animation: cue 1.8s infinite;
}
@keyframes cue { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(14px); } }

/* ---------- セクション共通 ---------- */
.section { position: relative; padding: clamp(80px, 12vw, 140px) 0; }
.section-alt { background: var(--bg-2); }
.sec-head { max-width: 820px; margin-bottom: clamp(40px, 6vw, 64px); }
.sec-kicker {
  font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.08em; color: var(--text-3);
  margin-bottom: 14px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.sec-head h2 { font-size: clamp(1.7rem, 4vw, 2.6rem); font-weight: 900; }
.sec-lead { margin-top: 18px; color: var(--text-2); font-size: 1.02rem; }
/* 目的・目標：背景・目的・目標を中項目に分けず1つの文章で見せる */
.mission .sec-head { max-width: 860px; margin-bottom: 0; }
.mission .sec-lead { font-size: 1.08rem; line-height: 2; }
/* 目的・目標：文章と動くイラストを横並び（狭い画面では縦並び） */
.mission-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.mission-grid .sec-head { max-width: none; }
@media (max-width: 900px) {
  .mission-grid { grid-template-columns: 1fr; }
  .mission-art { max-width: 440px; width: 100%; margin: 0 auto; }
}
.mission-svg { display: block; width: 100%; height: auto; overflow: visible; }
.mission-svg * { vector-effect: non-scaling-stroke; }
.mission-svg .m-label { font-family: 'JetBrains Mono', monospace; font-size: 13px; fill: var(--text-3); text-anchor: middle; letter-spacing: .04em; }
.mission-svg .m-globe-fill { fill: color-mix(in srgb, var(--cyan) 6%, transparent); }
.mission-svg .m-globe-line { fill: none; stroke: color-mix(in srgb, var(--cyan) 35%, transparent); stroke-width: 1.2; }
.mission-svg .m-globe-ring { fill: none; stroke: var(--cyan); stroke-width: 2; }
.mission-svg .m-pins-static circle { fill: color-mix(in srgb, var(--green) 45%, transparent); }
.mission-svg .m-pin { fill: var(--green); transform-box: fill-box; transform-origin: center; opacity: .35; animation: m-pin 6s ease-out infinite; }
.mission-svg .m-track { stroke: var(--line); stroke-width: 3; stroke-dasharray: 10 8; stroke-linecap: round; animation: m-track .7s linear infinite; }
.mission-svg .m-sample { fill: color-mix(in srgb, var(--rose) 12%, var(--surface)); stroke: var(--rose); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; transform-box: fill-box; transform-origin: center; opacity: 0; animation: m-sample 6s linear infinite; }
.mission-svg .m-core-box { fill: var(--surface); stroke: var(--amber); stroke-width: 2.5; }
.mission-svg .m-gear { fill: none; stroke: var(--cyan); stroke-width: 6; stroke-dasharray: 4 3.5; transform-box: fill-box; transform-origin: center; animation: m-spin 3s linear infinite; }
.mission-svg .m-gear.g2 { animation-direction: reverse; animation-duration: 2.2s; }
.mission-svg .m-gear-hub { fill: var(--cyan); }
.mission-svg .m-lamp { fill: var(--green); animation: m-lamp 1.2s steps(2, jump-none) infinite; }
.mission-svg .m-report { fill: color-mix(in srgb, var(--green) 14%, var(--surface)); stroke: var(--green); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; opacity: 0; offset-rotate: 0deg; animation: m-report 6s ease-in-out infinite; }
.mission-svg .r1 { offset-path: path('M250 236 C 270 150, 320 110, 362 104'); }
.mission-svg .r2 { offset-path: path('M250 236 C 300 190, 360 150, 408 112'); }
.mission-svg .r3 { offset-path: path('M250 236 C 290 230, 340 200, 378 160'); }
/* 3つの検体・レポート・光る印を 2 秒ずつずらして、途切れず流れ続けるようにする */
.mission-svg .s2, .mission-svg .r2, .mission-svg .p2 { animation-delay: -2s; }
.mission-svg .s3, .mission-svg .r3, .mission-svg .p3 { animation-delay: -4s; }
@keyframes m-track { to { stroke-dashoffset: -18; } }
@keyframes m-spin { to { transform: rotate(360deg); } }
@keyframes m-lamp { 50% { opacity: .25; } }
@keyframes m-sample {
  0% { transform: translateX(0) scale(1); opacity: 0; }
  8% { opacity: 1; }
  44% { transform: translateX(170px) scale(1); opacity: 1; }
  52% { transform: translateX(200px) scale(.3); opacity: 0; }
  100% { transform: translateX(200px) scale(.3); opacity: 0; }
}
@keyframes m-report {
  0%, 50% { offset-distance: 0%; opacity: 0; transform: scale(.4); }
  56% { offset-distance: 0%; opacity: 1; transform: scale(1); }
  84% { offset-distance: 100%; opacity: 1; transform: scale(.9); }
  92%, 100% { offset-distance: 100%; opacity: 0; transform: scale(.3); }
}
@keyframes m-pin {
  0%, 84% { transform: scale(1); opacity: .35; }
  88% { transform: scale(2.2); opacity: 1; }
  100% { transform: scale(1); opacity: .6; }
}
/* 動きを減らす設定の端末では止め、各要素を見える位置に置く */
@media (prefers-reduced-motion: reduce) {
  .mission-svg * { animation: none !important; }
  .mission-svg .m-sample.s1 { opacity: 1; }
  .mission-svg .m-report.r1 { opacity: 1; offset-distance: 60%; }
  .mission-svg .m-pin { opacity: .9; }
}

.badge {
  font-family: var(--font-sans); font-weight: 700; font-size: 0.75rem; letter-spacing: 0.04em;
  color: var(--accent); border: 1px solid var(--accent); border-radius: 999px; padding: 2px 10px;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}
.strength .sec-head h2 { background: linear-gradient(90deg, var(--text), color-mix(in srgb, var(--accent) 80%, var(--text))); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* スクロール出現 */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity: 1; transform: none; }

/* SVG 共通線 */
.st-cyan, .st-amber, .st-violet, .st-green, .st-rose { fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.st-cyan { stroke: var(--cyan); } .st-amber { stroke: var(--amber); } .st-violet { stroke: var(--violet); }
.st-green { stroke: var(--green); } .st-rose { stroke: var(--rose); }
.fill-soft-cyan { fill: color-mix(in srgb, var(--cyan) 20%, transparent); }
.fill-soft-green { fill: color-mix(in srgb, var(--green) 20%, transparent); }

/* ---------- 概要 ---------- */
.pipeline {
  display: grid; grid-template-columns: 1fr auto 1.2fr auto 1fr; align-items: center; gap: 12px;
  padding: 36px; border-radius: 22px; background: var(--surface); border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.pipe-node { text-align: center; padding: 10px; }
.pipe-icon {
  width: 84px; height: 84px; margin: 0 auto 14px; display: grid; place-items: center;
  border-radius: 20px; background: var(--surface-2); border: 1px solid var(--line);
}
.pipe-icon svg { width: 52px; height: 52px; }
.pipe-core .pipe-icon {
  width: 104px; height: 104px;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--cyan) 40%, transparent), 0 0 40px color-mix(in srgb, var(--cyan) 25%, transparent);
  animation: breathe 3.2s ease-in-out infinite;
}
@keyframes breathe { 50% { box-shadow: 0 0 0 1px color-mix(in srgb, var(--cyan) 60%, transparent), 0 0 60px color-mix(in srgb, var(--cyan) 40%, transparent); } }
.pipe-node h3 { font-size: 1.1rem; }
.pipe-node p { color: var(--text-2); font-size: 0.88rem; margin-top: 6px; }
.pipe-link { width: 80px; height: 2px; position: relative; background: repeating-linear-gradient(90deg, var(--line-2) 0 6px, transparent 6px 12px); }
.pipe-link span {
  position: absolute; top: -4px; left: 0; width: 10px; height: 10px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 12px var(--cyan); animation: travel 2.4s linear infinite;
}
.pipe-link + .pipe-core + .pipe-link span { background: var(--green); box-shadow: 0 0 12px var(--green); animation-delay: 1.2s; }
@keyframes travel { from { left: -5px; opacity: 0; } 15% { opacity: 1; } 85% { opacity: 1; } to { left: calc(100% - 5px); opacity: 0; } }

.triad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 28px; }
.triad-item { padding: 22px 24px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); }
.triad-item:nth-child(2) { transition-delay: .1s; }
.triad-item:nth-child(3) { transition-delay: .2s; }
.triad-num { font-weight: 900; font-size: 1.3rem; display: block; margin-bottom: 6px; }
.triad-item p { color: var(--text-2); font-size: 0.94rem; }

/* ---------- 3つの強みカード ---------- */
.cards3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.s-card {
  position: relative; display: flex; flex-direction: column; gap: 14px; text-decoration: none;
  padding: 30px 28px; border-radius: 20px; background: var(--surface); border: 1px solid var(--line);
  overflow: hidden; transition: transform .35s, border-color .35s, box-shadow .35s, opacity .8s;
}
.s-card:nth-child(2) { transition-delay: .08s; }
.s-card:nth-child(3) { transition-delay: .16s; }
.s-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--accent);
  transform: scaleX(0.25); transform-origin: left; transition: transform .5s;
}
.s-card:hover { transform: translateY(-6px); border-color: color-mix(in srgb, var(--accent) 50%, transparent); box-shadow: 0 24px 50px color-mix(in srgb, var(--accent) 16%, transparent); }
.s-card:hover::before { transform: scaleX(1); }
.s-num { font-family: var(--font-display); font-size: 3rem; font-weight: 700; color: var(--accent); line-height: 1; opacity: .9; }
.s-ico { width: 64px; height: 64px; position: absolute; top: 26px; right: 24px; fill: none; stroke: var(--accent); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; opacity: .85; }
.s-ico .dash { stroke-dasharray: 4 5; animation: dashflow 1.2s linear infinite; }
@keyframes dashflow { to { stroke-dashoffset: -18; } }
.s-card h3 { font-size: 1.2rem; }
.s-card p { color: var(--text-2); font-size: 0.93rem; flex: 1; }
.s-more { font-size: 0.88rem; font-weight: 700; color: var(--accent); }

/* ---------- 強み①：スクロリーテリング ---------- */
.scrolly { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: start; }
/* 図はヘッダー（60px）の下の残りの高さいっぱいに固定し、その中で縦中央に置く */
.scrolly-sticky { position: sticky; top: 60px; height: calc(100vh - 60px); display: flex; flex-direction: column; justify-content: center; gap: 14px; }
.agent-diagram-wrap {
  border-radius: 22px; border: 1px solid var(--line); background: var(--surface);
  padding: 10px; box-shadow: var(--shadow);
}
.agent-diagram { width: 100%; height: auto; display: block; max-height: 58vh; }
.agent-diagram .zone { fill: none; stroke: var(--line-2); stroke-width: 1.5; }
.agent-diagram .zone-guest { stroke-dasharray: 6 6; stroke: color-mix(in srgb, var(--amber) 50%, transparent); fill: color-mix(in srgb, var(--amber) 4%, transparent); }
.agent-diagram .zone-label { fill: var(--text-3); font-family: var(--font-mono); font-size: 13px; }
.agent-diagram .edge { fill: none; stroke: var(--line-2); stroke-width: 2; stroke-dasharray: 5 6; transition: stroke .4s; }
.agent-diagram .edge.is-active { stroke: var(--cyan); stroke-dasharray: none; filter: drop-shadow(0 0 4px color-mix(in srgb, var(--cyan) 70%, transparent)); }
.agent-diagram .edge-ret.is-active { stroke: var(--amber); filter: drop-shadow(0 0 4px color-mix(in srgb, var(--amber) 70%, transparent)); }
.agent-diagram .edge-label { fill: var(--text-3); font-size: 13px; font-weight: 700; }
.agent-diagram .node rect, .agent-diagram .node circle {
  fill: var(--surface-2); stroke: var(--line-2); stroke-width: 1.5; transition: fill .4s, stroke .4s, filter .4s;
}
.agent-diagram .node text { fill: var(--text-2); font-size: 15px; font-weight: 700; text-anchor: middle; transition: fill .4s; }
.agent-diagram .node .t-sm { font-size: 13px; font-family: var(--font-mono); }
.agent-diagram .node .t-xs { font-size: 11px; font-weight: 500; fill: var(--text-3); }
.agent-diagram .node.is-active rect, .agent-diagram .node.is-active circle {
  stroke: var(--cyan); fill: color-mix(in srgb, var(--cyan) 14%, var(--surface-2));
  filter: drop-shadow(0 0 10px color-mix(in srgb, var(--cyan) 55%, transparent));
}
.agent-diagram .node.is-active text { fill: var(--text); }
/* 独自エージェント（Host / OS / Ghidra agent）は、LLM のミントと区別して青で強調する */
.agent-diagram .n-host.is-active rect, .agent-diagram .n-os.is-active rect, .agent-diagram .n-ghidra.is-active rect { stroke: var(--sky); fill: color-mix(in srgb, var(--sky) 14%, var(--surface-2)); filter: drop-shadow(0 0 10px color-mix(in srgb, var(--sky) 55%, transparent)); }
.agent-diagram .n-sample rect { stroke: var(--rose); }
.agent-diagram .n-llm circle { stroke: color-mix(in srgb, var(--cyan) 60%, var(--line-2)); }
.agent-diagram .packet { fill: var(--cyan); filter: drop-shadow(0 0 6px var(--cyan)); opacity: 0; }
.agent-diagram .packet.is-ret { fill: var(--amber); filter: drop-shadow(0 0 6px var(--amber)); }
.agent-diagram .packet-2.is-ret { fill: var(--violet); filter: drop-shadow(0 0 6px var(--violet)); }

.scrolly-steps { list-style: none; padding: 0; margin: 0; }
/* 最初と最後の手順を画面中央で読むときも図が中央に固定されたままになるよう、手順の前後に余白を取る（広い画面のみ） */
@media (min-width: 1001px) { .scrolly-steps { padding: 47vh 0 30vh; } }
.step {
  position: relative; min-height: 62vh; display: flex; flex-direction: column; justify-content: center;
  padding-left: 64px; opacity: .3; transition: opacity .5s;
}
.step:first-child { min-height: 50vh; }
.step:last-child { min-height: 70vh; }
.step.is-active { opacity: 1; }
.step-num {
  position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 44px; height: 44px; display: grid; place-items: center; border-radius: 50%;
  font-family: var(--font-display); font-weight: 700; border: 1.5px solid var(--line-2); color: var(--text-2);
  transition: all .4s;
}
.step.is-active .step-num { border-color: var(--cyan); color: var(--cyan); box-shadow: 0 0 20px color-mix(in srgb, var(--cyan) 40%, transparent); }
.step h3 { font-size: 1.35rem; margin-bottom: 10px; }
.step p { color: var(--text-2); }

.callout {
  margin-top: 40px; display: grid; grid-template-columns: 1fr auto 1fr; gap: 24px; align-items: center;
  padding: 28px 32px; border-radius: 20px; background: var(--surface); border: 1px solid var(--line);
}
.callout-h { font-weight: 900; font-size: 1.05rem; margin-bottom: 6px; }
.callout p:not(.callout-h) { color: var(--text-2); font-size: 0.95rem; }
.callout-arrow { font-size: 1.8rem; color: var(--cyan); }

/* ---------- 強み②：ログ圧縮 ---------- */
.compress { display: grid; grid-template-columns: 1fr 120px 1fr; gap: 20px; align-items: stretch; }
.cmp-panel {
  display: flex; flex-direction: column; border-radius: 18px; border: 1px solid var(--line);
  background: var(--surface); overflow: hidden; min-height: 360px;
}
.cmp-head {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  padding: 12px 16px; border-bottom: 1px solid var(--line); font-weight: 700; font-size: 0.92rem;
}
.cmp-count { font-size: 0.78rem; color: var(--text-3); font-weight: 400; }
.cmp-count b { color: var(--amber); font-weight: 600; }
.log-stream {
  flex: 1; height: 290px; position: relative; overflow: hidden; padding: 8px 14px; font-size: 0.7rem; line-height: 1.6;
  /* 行の追加・削除でページのスクロール位置が補正され続けないよう、アンカー対象から外す */
  overflow-anchor: none;
  /* 新しい行を下端に積み、あふれた古い行は上側で切る（scrollTop 操作を不要にする） */
  display: flex; flex-direction: column; justify-content: flex-end;
  color: var(--text-3);
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 18%, #000 82%, transparent);
  mask-image: linear-gradient(to bottom, transparent, #000 18%, #000 82%, transparent);
}
.log-stream div { flex: none; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.log-stream .hl { color: var(--amber); }
.cmp-note { padding: 10px 16px; font-size: 0.8rem; color: var(--text-3); border-top: 1px solid var(--line); }
.cmp-funnel { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.cmp-funnel svg { width: 100%; height: 260px; overflow: visible; }
.funnel-shape { fill: color-mix(in srgb, var(--amber) 7%, transparent); stroke: color-mix(in srgb, var(--amber) 60%, transparent); stroke-width: 1.5; }
.funnel-dots circle { fill: var(--amber); }
.funnel-label { font-size: 0.8rem; font-weight: 700; color: var(--amber); margin-top: 6px; }
.behaviors { list-style: none; margin: 0; padding: 14px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.bh {
  display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 12px;
  background: var(--surface-2); border: 1px solid color-mix(in srgb, var(--amber) 30%, var(--line));
  opacity: 0; transform: translateX(-16px) scale(.97);
}
.compress.is-visible .bh { animation: bhIn .6s cubic-bezier(.2,.7,.2,1) forwards; animation-delay: calc(1s + var(--d) * .45s); }
@keyframes bhIn { to { opacity: 1; transform: none; } }
.bh-tag {
  flex: none; font-size: 0.72rem; font-weight: 700; color: var(--amber); padding: 2px 9px; border-radius: 999px;
  background: color-mix(in srgb, var(--amber) 13%, transparent);
}
.bh p { font-size: 0.9rem; }

.vs { margin-top: 56px; }
.vs-title { font-size: 1.25rem; margin-bottom: 20px; }
.vs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.vs-col { padding: 24px 26px; border-radius: 18px; border: 1px solid var(--line); background: var(--surface); }
.vs-rak { border-color: color-mix(in srgb, var(--amber) 45%, var(--line)); box-shadow: 0 18px 44px color-mix(in srgb, var(--amber) 10%, transparent); }
.vs-visual { display: flex; align-items: center; gap: 16px; height: 76px; margin-bottom: 14px; }
.vs-arrow { color: var(--text-3); font-size: 1.3rem; }
.zip-box { display: grid; grid-template-columns: repeat(3, 14px); gap: 5px; padding: 10px; border-radius: 10px; border: 1px dashed var(--line-2); }
.zip-box span { height: 14px; border-radius: 3px; background: var(--text-3); opacity: .5; }
.zip-small { grid-template-columns: repeat(3, 8px); gap: 3px; padding: 7px; }
.zip-small span { height: 8px; }
.zip-box.noisy span { background: var(--amber); opacity: .35; }
.zip-box.noisy span:nth-child(2n) { opacity: .15; }
.bh-mini { display: flex; flex-direction: column; gap: 4px; }
.bh-mini span { font-size: 0.66rem; font-weight: 700; color: var(--amber); padding: 1px 8px; border-radius: 999px; background: color-mix(in srgb, var(--amber) 13%, transparent); }
.vs-h { font-weight: 900; margin-bottom: 8px; }
.vs-rak .vs-h { color: var(--amber); }
.vs-col ul { margin: 0; padding-left: 1.2em; color: var(--text-2); font-size: 0.93rem; }

.usage { margin-top: 56px; }
.usage-title { font-size: 1.25rem; margin-bottom: 20px; }
.usage-flow { display: grid; grid-template-columns: auto 100px 1fr; align-items: center; }
.u-chip { display: inline-block; padding: 12px 18px; border-radius: 14px; font-weight: 700; font-size: 0.95rem; }
.u-chip.amber { color: var(--amber); background: color-mix(in srgb, var(--amber) 12%, var(--surface)); border: 1px solid color-mix(in srgb, var(--amber) 45%, transparent); }
.u-branch { width: 100%; height: 150px; }
.u-branch path { fill: none; stroke: var(--line-2); stroke-width: 2; stroke-dasharray: 5 6; animation: dashflow 1s linear infinite; vector-effect: non-scaling-stroke; }
.u-dests { display: flex; flex-direction: column; gap: 14px; }
.u-dest {
  display: flex; gap: 14px; align-items: flex-start; padding: 16px 18px; border-radius: 14px;
  background: var(--surface); border: 1px solid color-mix(in srgb, var(--amber) 35%, var(--line));
}
.u-dest-violet { border-color: color-mix(in srgb, var(--violet) 45%, var(--line)); }
.u-idx {
  flex: none; width: 30px; height: 30px; display: grid; place-items: center; border-radius: 8px;
  font-family: var(--font-display); font-weight: 700; color: var(--amber); background: color-mix(in srgb, var(--amber) 14%, transparent);
}
.u-dest-violet .u-idx { color: var(--violet); background: color-mix(in srgb, var(--violet) 14%, transparent); }
.u-h { font-weight: 700; }
.u-dest p:not(.u-h) { font-size: 0.9rem; color: var(--text-2); }

/* ---------- 強み③：グラウンディング ---------- */
.ground { position: relative; display: grid; grid-template-columns: 1.1fr 1fr; gap: 72px; align-items: start; }
.ground-links { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; overflow: visible; z-index: 2; }
.ground-links path { fill: none; stroke: var(--green); stroke-width: 1.8; stroke-dasharray: 600; stroke-dashoffset: 600; animation: draw .6s ease forwards; filter: drop-shadow(0 0 4px color-mix(in srgb, var(--green) 60%, transparent)); }
.ground-links circle { fill: var(--green); }
@keyframes draw { to { stroke-dashoffset: 0; } }
.report { border-radius: 18px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); overflow: hidden; }
.report-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 20px; border-bottom: 1px solid var(--line); }
.report-title { font-weight: 900; }
.report-tag { font-size: 0.72rem; color: var(--text-3); border: 1px solid var(--line-2); border-radius: 999px; padding: 1px 10px; }
.report-sec { padding: 16px 20px 0; font-size: 0.8rem; color: var(--text-3); font-weight: 700; letter-spacing: 0.06em; }
.claims { list-style: none; margin: 0; padding: 10px 12px 16px; }
.claim {
  position: relative; padding: 12px 12px 12px 14px; border-radius: 12px; cursor: pointer; font-size: 0.95rem;
  border-left: 3px solid transparent; transition: background .25s, border-color .25s; outline: none;
}
.claim + .claim { margin-top: 4px; }
.claim:hover, .claim:focus-visible, .claim.is-active { background: color-mix(in srgb, var(--green) 8%, var(--surface-2)); border-left-color: var(--green); }
.claim code { font-size: 0.85em; color: var(--violet); }
.k-tag {
  display: inline-block; font-size: 0.7rem; font-weight: 700; padding: 1px 9px; border-radius: 999px; margin-right: 6px;
  vertical-align: 2px;
}
[data-kind="fact"] .k-tag { color: var(--amber); background: color-mix(in srgb, var(--amber) 14%, transparent); }
[data-kind="infer"] .k-tag { color: var(--cyan); background: color-mix(in srgb, var(--cyan) 14%, transparent); }
[data-kind="ground"] .k-tag { color: var(--green); background: color-mix(in srgb, var(--green) 14%, transparent); }
[data-kind="unknown"] .k-tag { color: var(--rose); background: color-mix(in srgb, var(--rose) 14%, transparent); }

.evidence { display: flex; flex-direction: column; gap: 22px; }
.ev-group { border-radius: 18px; background: var(--surface); border: 1px solid var(--line); padding: 16px; }
.ev-dyn { border-color: color-mix(in srgb, var(--amber) 30%, var(--line)); }
.ev-sta { border-color: color-mix(in srgb, var(--violet) 30%, var(--line)); }
.ev-h { display: flex; align-items: center; gap: 8px; font-size: 0.86rem; font-weight: 700; margin-bottom: 10px; }
.ev-group ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.ev {
  display: flex; gap: 10px; align-items: baseline; padding: 8px 10px; border-radius: 10px; font-size: 0.76rem;
  background: var(--surface-2); border: 1px solid transparent; transition: all .3s; color: var(--text-2);
}
.ev code { word-break: break-all; }
.ev-id { flex: none; font-family: var(--font-mono); font-weight: 600; font-size: 0.72rem; }
.ev-dyn .ev-id { color: var(--amber); }
.ev-sta .ev-id { color: var(--violet); }
.evidence.has-focus .ev { opacity: .35; }
.evidence.has-focus .ev.is-linked { opacity: 1; color: var(--text); border-color: var(--green); background: color-mix(in srgb, var(--green) 9%, var(--surface-2)); transform: translateX(-4px); }

.kinds { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 40px; }
.kind { padding: 18px; border-radius: 14px; border: 1px solid var(--line); background: var(--surface); }
.kind:nth-child(2) { transition-delay: .08s; } .kind:nth-child(3) { transition-delay: .16s; } .kind:nth-child(4) { transition-delay: .24s; }
.kind .k-tag { font-size: 0.8rem; margin-bottom: 8px; }
.kind p { font-size: 0.88rem; color: var(--text-2); }
.ground-foot { margin-top: 28px; color: var(--text-2); text-align: center; }

/* ---------- 全体の仕組み ---------- */
.arch { display: grid; grid-template-columns: 1.5fr 1fr; gap: 32px; align-items: start; }
.arch-stage { perspective: 1400px; }
.arch-stack {
  display: flex; flex-direction: column; align-items: stretch; transform-style: preserve-3d;
  transition: transform .5s cubic-bezier(.2,.7,.2,1);
}
.layer {
  position: relative; display: grid; grid-template-columns: 110px 1fr; align-items: center; gap: 14px;
  padding: 16px 18px; border-radius: 16px; background: var(--surface); border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.l-host { border-color: var(--line-2); }
.l-guest { border: 1.5px dashed color-mix(in srgb, var(--amber) 55%, transparent); background: color-mix(in srgb, var(--amber) 4%, var(--surface)); }
.layer-name { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-3); }
.tiles { display: flex; flex-wrap: wrap; gap: 10px; }
.tile {
  --tc: var(--text-3);
  cursor: pointer; padding: 10px 16px; border-radius: 10px; font-weight: 700; font-size: 0.92rem;
  background: var(--surface-2); border: 1px solid color-mix(in srgb, var(--tc) 45%, var(--line));
  transition: transform .2s, box-shadow .2s, background .2s;
}
.tile:hover { transform: translateY(-2px); }
.tile.is-active { background: color-mix(in srgb, var(--tc) 16%, var(--surface-2)); box-shadow: 0 0 0 2px var(--tc), 0 8px 24px color-mix(in srgb, var(--tc) 30%, transparent); }
.t-cyan { --tc: var(--cyan); } .t-amber { --tc: var(--amber); } .t-violet { --tc: var(--violet); } .t-rose { --tc: var(--rose); } .t-muted { --tc: var(--text-3); } .t-sky { --tc: var(--sky); }
.layer-conn { display: flex; justify-content: center; gap: 40px; height: 28px; }
.layer-conn i { width: 2px; height: 100%; position: relative; background: var(--line-2); overflow: hidden; }
.layer-conn i::after {
  content: ""; position: absolute; left: 0; width: 2px; height: 10px; background: var(--cyan);
  animation: down 1.4s linear infinite;
}
.layer-conn i:last-child::after { background: var(--amber); animation-name: up; }
@keyframes down { from { top: -10px; } to { top: 100%; } }
@keyframes up { from { top: 100%; } to { top: -10px; } }

.arch-detail {
  position: sticky; top: 90px; padding: 26px; border-radius: 18px; background: var(--surface);
  border: 1px solid var(--line); box-shadow: var(--shadow); min-height: 220px;
}
.ad-kicker { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-3); }
.ad-title { font-size: 1.5rem; margin: 6px 0 12px; }
.ad-body { color: var(--text-2); }
.ad-group { margin-top: 16px; font-size: 0.8rem; color: var(--text-3); }
.ad-group:empty { display: none; }
.arch-detail.flash { animation: flash .45s ease; }
@keyframes flash { from { opacity: .3; transform: translateY(6px); } }

.roles { margin-top: 56px; }
.roles-title { font-size: 1.25rem; margin-bottom: 18px; }
.roles-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.role { padding: 20px; border-radius: 14px; background: var(--surface); border: 1px solid var(--line); border-top: 3px solid var(--accent); }
.role-h { font-weight: 900; margin-bottom: 6px; }
.role p:not(.role-h) { font-size: 0.88rem; color: var(--text-2); }

/* ---------- 解析の流れ ---------- */
.timeline { position: relative; display: grid; grid-template-columns: 1fr 150px; max-width: 900px; }
.tl-rail { position: absolute; left: 21px; top: 22px; bottom: 22px; width: 2px; background: var(--line-2); }
.tl-fill { position: absolute; inset: 0 0 auto 0; height: var(--p, 0%); background: linear-gradient(var(--rose), var(--amber), var(--violet), var(--cyan), var(--green)); }
.tl-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 18px; grid-column: 1; }
.tl-item { position: relative; display: grid; grid-template-columns: 44px 1fr; gap: 20px; align-items: center; }
.tl-dot {
  position: relative; z-index: 1; width: 44px; height: 44px; display: grid; place-items: center; border-radius: 50%;
  font-family: var(--font-display); font-weight: 700; color: var(--accent); background: var(--bg);
  border: 2px solid var(--accent); box-shadow: 0 0 18px color-mix(in srgb, var(--accent) 35%, transparent);
}
.tl-card { padding: 18px 22px; border-radius: 14px; background: var(--surface); border: 1px solid var(--line); }
.tl-card h3 { font-size: 1.08rem; margin-bottom: 4px; }
.tl-card p { color: var(--text-2); font-size: 0.92rem; }
/* 工程2〜5 を往復できることを示す括弧 */
.tl-loop {
  grid-column: 2; grid-row: 1; position: relative; align-self: stretch; /* 括弧の縦位置は JS で --lt / --lh を設定 */
}
.tl-loop::before {
  content: ""; position: absolute; left: 12px; top: var(--lt, 110px); height: var(--lh, 360px); width: 38px;
  border: 2px dashed var(--cyan); border-left: none; border-radius: 0 20px 20px 0; opacity: .8;
}
.tl-loop::after {
  content: ""; position: absolute; left: 6px; top: calc(var(--lt, 110px) - 6px);
  border: 7px solid transparent; border-right-color: var(--cyan); border-left: none;
}
.tl-loop-label {
  position: absolute; left: 62px; top: calc(var(--lt, 110px) + var(--lh, 360px) / 2); transform: translateY(-50%);
  font-size: 0.78rem; font-weight: 700; color: var(--cyan); line-height: 1.5;
}

/* ---------- 自動化の範囲 ---------- */
.scope { display: grid; grid-template-columns: 1fr 3fr; border-radius: 20px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.scope-h { font-weight: 900; margin-bottom: 14px; }
.scope-user { padding: 26px; background: var(--surface-2); border-right: 1px dashed var(--line-2); }
.scope-user ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; }
.scope-user li { padding: 8px 12px; border-radius: 10px; border: 1px solid var(--line-2); font-size: 0.92rem; background: var(--surface); }
.scope-auto { position: relative; padding: 26px; overflow: hidden; background: linear-gradient(120deg, color-mix(in srgb, var(--cyan) 10%, var(--surface)), color-mix(in srgb, var(--green) 8%, var(--surface))); }
.scope-auto .scope-h { color: var(--cyan); }
.scope-auto ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; counter-reset: s; }
.scope-auto li {
  counter-increment: s; display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 10px;
  font-size: 0.92rem; font-weight: 700; background: var(--surface); border: 1px solid color-mix(in srgb, var(--cyan) 35%, var(--line));
  opacity: 0; transform: translateY(8px);
}
.scope-auto li::before { content: counter(s); font-family: var(--font-display); font-size: 0.75rem; color: var(--cyan); }
.scope-auto li:not(:last-child)::after { content: "→"; margin-left: 8px; color: var(--text-3); font-weight: 400; }
.scope.is-visible .scope-auto li { animation: bhIn .5s ease forwards; animation-delay: calc(.3s + var(--i) * .18s); }
.scope-sweep {
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(100deg, transparent 30%, color-mix(in srgb, var(--cyan) 16%, transparent) 50%, transparent 70%);
  transform: translateX(-100%);
}
.scope.is-visible .scope-sweep { animation: sweep 3.6s ease-in-out 1.4s infinite; }
@keyframes sweep { to { transform: translateX(100%); } }
.scope-note { margin-top: 16px; font-size: 0.86rem; color: var(--text-3); }

/* ---------- 入力と成果物 ---------- */
.io { display: grid; grid-template-columns: 1fr 48px 1.2fr 48px 1.1fr; align-items: stretch; }
.io-col { padding: 24px; border-radius: 18px; background: var(--surface); border: 1px solid var(--line); }
.io-col:nth-of-type(2) { transition-delay: .1s; }
.io-col:nth-of-type(3) { transition-delay: .2s; }
.io-h { font-weight: 900; margin-bottom: 14px; }
.io-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.io-list li { display: flex; align-items: center; gap: 10px; font-size: 0.92rem; color: var(--text-2); }
.io-arrow { position: relative; }
.io-arrow::before { content: ""; position: absolute; left: 10px; right: 10px; top: 50%; height: 2px; background: var(--line-2); }
.io-arrow::after { content: ""; position: absolute; right: 8px; top: calc(50% - 5px); border: 6px solid transparent; border-left-color: var(--line-2); border-right: none; }
.io-final { border-color: color-mix(in srgb, var(--green) 45%, var(--line)); box-shadow: 0 18px 44px color-mix(in srgb, var(--green) 12%, transparent); }
.doc { border-radius: 12px; border: 1px solid var(--line-2); background: var(--surface-2); overflow: hidden; }
.doc-top { padding: 10px 14px; border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 8px; }
.doc-top::before { content: ""; width: 10px; height: 10px; border-radius: 3px; background: var(--green); }
.doc-title { font-weight: 700; font-size: 0.9rem; }
.doc-toc { margin: 0; padding: 12px 14px 14px 2.2em; font-size: 0.88rem; color: var(--text-2); }
.doc-toc li { padding: 3px 0; }
.doc-toc li::marker { color: var(--green); font-weight: 700; }

/* ---------- フッター ---------- */
/* ---------- ダウンロードへの案内帯（ホーム末尾） ---------- */
.cta-band { padding: 0 0 clamp(80px, 10vw, 120px); }
.cta-card {
  position: relative; overflow: hidden; display: grid; grid-template-columns: 1fr auto; gap: 28px; align-items: center;
  padding: 40px 44px; border-radius: 24px; border: 1px solid color-mix(in srgb, var(--cyan) 35%, var(--line));
  background:
    radial-gradient(60% 120% at 100% 0%, color-mix(in srgb, var(--cyan) 16%, transparent), transparent 70%),
    radial-gradient(50% 120% at 0% 100%, color-mix(in srgb, var(--green) 12%, transparent), transparent 70%),
    var(--surface);
  box-shadow: var(--shadow);
}
.cta-card h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 900; margin-top: 6px; }
.cta-card p.cta-lead { color: var(--text-2); margin-top: 10px; }
.cta-card .btn svg { width: 18px; height: 18px; margin-right: 8px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- 開発者プロフィール（ホーム末尾） ---------- */
.dev-section { padding: 0 0 clamp(80px, 10vw, 120px); }
.dev {
  display: grid; grid-template-columns: minmax(340px, 1fr) 1.7fr; gap: 32px; align-items: center;
  padding: 32px 36px; border-radius: 24px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow);
}
.dev-profile { display: flex; align-items: center; gap: 18px; }
.dev-avatar {
  flex: none; width: 76px; height: 76px; display: grid; place-items: center; border-radius: 50%;
  background: var(--surface-2); border: 2px solid color-mix(in srgb, var(--cyan) 50%, var(--line));
}
/* プロフィール写真は円の中いっぱいに切り抜いて表示する */
.dev-avatar { overflow: hidden; }
.dev-avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; display: block; }
.dev-profile .sec-kicker { margin-bottom: 2px; }
.dev-name { font-size: 1.5rem; font-weight: 900; line-height: 1.4; }
.dev-sep { margin: 0 0.45em; color: var(--text-3); font-weight: 400; }
.dev-en { font-family: var(--font-display); font-weight: 700; letter-spacing: 0.01em; white-space: nowrap; }
.dev-role { color: var(--text-2); font-size: 0.9rem; }
/* メールアドレスは長いので、幅が足りないときは折り返す */
.sns-text small { overflow-wrap: anywhere; }
.sns { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.sns-link {
  display: flex; align-items: center; gap: 14px; padding: 14px 16px; border-radius: 14px; text-decoration: none;
  background: var(--surface-2); border: 1px solid var(--line); color: var(--text);
  transition: transform .2s, border-color .2s, box-shadow .2s;
}
.sns-link:hover, .sns-link:focus-visible {
  transform: translateY(-3px); border-color: var(--brand);
  box-shadow: 0 12px 28px color-mix(in srgb, var(--brand) 20%, transparent);
}
.sns-ico { width: 26px; height: 26px; flex: none; }
.sns-ico .fill { fill: var(--brand); }
.sns-ico .line { fill: none; stroke: var(--brand); stroke-width: 2; }
.sns-text { display: flex; flex-direction: column; line-height: 1.4; min-width: 0; }
.sns-text b { font-size: 0.95rem; }
.sns-text small { color: var(--text-3); font-size: 0.78rem; }
.sns-arrow { margin-left: auto; color: var(--text-3); transition: color .2s, transform .2s; }
.sns-link:hover .sns-arrow { color: var(--brand); transform: translate(2px, -2px); }
/* 画面には出さず、読み上げでだけ伝える補足 */
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.site-footer { border-top: 1px solid var(--line); padding: 36px 0 44px; background: var(--bg-2); }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: flex-end; }
.footer-tag { color: var(--text-2); font-size: 0.88rem; margin-top: 4px; }
.footer-note { color: var(--text-3); font-size: 0.8rem; max-width: 460px; }

/* ---------- レスポンシブ ---------- */
@media (max-width: 1000px) {
  .site-nav { display: none; }
  .nav-download { margin-left: auto; }
  .cta-card { grid-template-columns: 1fr; padding: 30px 24px; }
  .dev { grid-template-columns: 1fr; padding: 26px 22px; }
  .site-header { gap: 12px; }
  .cards3, .triad { grid-template-columns: 1fr; }
  .scrolly { grid-template-columns: 1fr; gap: 0; }
  .scrolly-sticky { top: 64px; height: auto; justify-content: flex-start; z-index: 3; background: var(--bg); padding-bottom: 8px; }
  .agent-diagram { max-height: 40vh; }
  .step { min-height: 55vh; padding-left: 60px; }
  .step:first-child { min-height: 40vh; }
  .step { background: linear-gradient(transparent, var(--bg) 20%); }
  .ground { grid-template-columns: 1fr; gap: 24px; }
  .kinds { grid-template-columns: 1fr 1fr; }
  .arch { grid-template-columns: 1fr; }
  .arch-detail { position: relative; top: 0; min-height: 0; }
  .roles-grid { grid-template-columns: 1fr 1fr; }
  .io { grid-template-columns: 1fr; gap: 0; }
  .io-arrow { height: 36px; }
  .io-arrow::before { left: 50%; right: auto; top: 6px; bottom: 6px; width: 2px; height: auto; }
  .io-arrow::after { left: calc(50% - 5px); right: auto; top: auto; bottom: 4px; border: 6px solid transparent; border-top-color: var(--line-2); border-bottom: none; }
}
@media (max-width: 760px) {
  .hero { align-items: flex-end; }
  .hero { padding-top: 66svh; flex-direction: column; align-items: stretch; }
  .hero-canvas { opacity: .9; }
  /* スマホ用の固定サイズ（64px では2行目が画面幅を超えるため） */
  .hero-title { font-size: 40px; }
  .hero-wordlogo, .hero-wordlogo img { height: 56px; }
  .hero-hint { top: calc(66svh - 34px); bottom: auto; right: 16px; }
  .sns { grid-template-columns: 1fr; }
  .scroll-cue { display: none; }
  .hero-label[data-anchor="host"] { display: none; } /* 画面端で切れるため非表示 */
  .pipeline { grid-template-columns: 1fr; padding: 24px; }
  .pipe-link { width: 2px; height: 40px; margin: 0 auto; background: repeating-linear-gradient(180deg, var(--line-2) 0 6px, transparent 6px 12px); }
  .pipe-link span { left: -4px !important; top: 0; animation-name: travelY; }
  @keyframes travelY { from { top: -5px; opacity: 0; } 15% { opacity: 1; } 85% { opacity: 1; } to { top: calc(100% - 5px); opacity: 0; } }
  .callout { grid-template-columns: 1fr; }
  .callout-arrow { transform: rotate(90deg); justify-self: center; }
  .compress { grid-template-columns: 1fr; }
  .cmp-panel { min-height: 280px; }
  .cmp-funnel svg { height: 120px; transform: none; }
  .vs-grid { grid-template-columns: 1fr; }
  .usage-flow { grid-template-columns: 1fr; gap: 12px; }
  .u-branch { display: none; }
  .kinds, .roles-grid { grid-template-columns: 1fr; }
  .layer { grid-template-columns: 1fr; gap: 8px; }
  .timeline { grid-template-columns: 1fr; }
  .tl-loop { display: none; }
  .scope { grid-template-columns: 1fr; }
  .scope-user { border-right: none; border-bottom: 1px dashed var(--line-2); }
}

/* 動きを減らす設定 */
/* 英語ページ：英文は横幅を取るため、見出しの文字だけ少し小さくする（固定値） */
:root[lang|="en"] .hero-title { font-size: 56px; }
@media (max-width: 760px) {
  :root[lang|="en"] .hero-title { font-size: 34px; }
}

/* 狭い画面ではヘッダーのダウンロードボタンをアイコンだけにして、言語切り替えと並べる */
@media (max-width: 420px) {
  .nav-download { padding: 8px 10px; }
  .nav-download .nd-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001s !important; animation-iteration-count: 1 !important; transition-duration: .001s !important; }
  .reveal { opacity: 1; transform: none; }
}