/* =========================================================
   Trilogy AI Knowledge Hub — style.css
   Concept: Quiet Futurism / Practical Intelligence
   ========================================================= */

:root {
  /* Base */
  --color-bg:        #070A0F;
  --color-bg2:       #0D121A;
  --color-surface:   #141B26;
  --color-surface2:  #1A2432;
  --color-text:      #F4F7FA;
  --color-sub:       #A8B3C2;
  --color-muted:     #6F7D8D;

  /* Accent */
  --color-cyan:      #61E6F5;
  --color-mint:      #9FF4C9;
  --color-violet:    #B9A7FF;
  --color-amber:     #F7C948;

  /* Category accents (6カテゴリすべて異なる色) */
  --cat-security: #F7C948; /* アンバー */
  --cat-creation: #5FE0A0; /* グリーン */
  --cat-practice: #46D2E6; /* ティール */
  --cat-strategy: #6E9DFF; /* ブルー */
  --cat-tools:    #B9A7FF; /* バイオレット */
  --cat-lab:      #FF8CA8; /* ローズ */

  --border:          rgba(168, 179, 194, 0.12);
  --border-strong:   rgba(168, 179, 194, 0.22);

  --font-en: "Space Grotesk", "Noto Sans JP", system-ui, sans-serif;
  --font-jp: "Noto Sans JP", system-ui, -apple-system, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;

  --maxw: 1180px;
  --gutter: 32px;
  --radius: 8px;
  --header-h: 72px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  font-family: var(--font-jp);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { line-height: 1.3; font-weight: 600; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: 96px; }
.section__head { max-width: 720px; margin-bottom: 48px; }
.section__title {
  font-family: var(--font-en);
  font-size: clamp(1.6rem, 1.1rem + 1.6vw, 2.3rem);
  letter-spacing: 0.01em;
  margin-bottom: 16px;
}
.section__lead { color: var(--color-sub); font-size: 1.02rem; }

/* =========================================================
   1. Header
   ========================================================= */
.site-header {
  position: fixed; inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 100;
  display: flex; align-items: center;
  background: transparent;
  transition: background .35s var(--ease), backdrop-filter .35s var(--ease), border-color .35s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(7, 10, 15, 0.78);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.site-header__logo { display: flex; align-items: center; gap: 12px; }
.site-header__logo-img { height: 26px; width: auto; }
.site-header__logo-text {
  font-family: var(--font-en); font-size: .82rem; letter-spacing: .08em;
  color: var(--color-sub); text-transform: uppercase;
}

.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a {
  font-family: var(--font-en); font-size: .9rem; letter-spacing: .02em;
  color: var(--color-sub); position: relative; padding: 4px 0;
  transition: color .25s var(--ease);
}
.site-nav a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 1px; width: 0;
  background: var(--color-cyan); transition: width .25s var(--ease);
}
.site-nav a:hover { color: var(--color-text); }
.site-nav a:hover::after { width: 100%; }
.site-nav__contact {
  border: 1px solid var(--border-strong); border-radius: 999px;
  padding: 7px 18px !important; color: var(--color-text) !important;
}
.site-nav__contact::after { display: none; }
.site-nav__contact:hover { border-color: var(--color-cyan); background: rgba(97,230,245,.06); }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: 0; cursor: pointer; padding: 8px;
}
.nav-toggle span {
  width: 24px; height: 2px; background: var(--color-text);
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   2. Hero
   ========================================================= */
.hero {
  position: relative; min-height: 92vh;
  display: flex; flex-direction: column; justify-content: center;
  padding-top: var(--header-h); overflow: hidden;
  background:
    radial-gradient(1100px 620px at 78% 8%, rgba(97,230,245,.16), transparent 58%),
    radial-gradient(820px 520px at 12% 88%, rgba(159,244,201,.09), transparent 60%),
    radial-gradient(700px 500px at 62% 72%, rgba(185,167,255,.11), transparent 62%),
    linear-gradient(180deg, var(--color-bg) 0%, #0A0E16 55%, var(--color-bg2) 100%);
}
.hero::after { /* 控えめな発光体（中央右） */
  content: ""; position: absolute; z-index: 1; pointer-events: none;
  top: 20%; right: 6%; width: 48vw; height: 48vw; max-width: 660px; max-height: 660px;
  background: radial-gradient(circle, rgba(97,230,245,.20), rgba(185,167,255,.07) 45%, transparent 70%);
  filter: blur(46px);
}
/* ヒーロー画像レイヤー：George が画像を置けば自動で背景に乗る（Canvas はその上で発光） */
.hero__bg { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .55; }
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 2; }
.hero__overlay {
  position: absolute; inset: 0; z-index: 3;
  background: radial-gradient(120% 80% at 50% 30%, transparent 38%, rgba(7,10,15,.55) 100%);
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 4; max-width: 880px; }
.hero__eyebrow {
  font-family: var(--font-en); letter-spacing: .18em; text-transform: uppercase;
  font-size: .82rem; color: var(--color-cyan); margin-bottom: 22px;
}
.hero__title {
  font-family: var(--font-jp);
  font-size: clamp(2.8rem, 1.6rem + 5vw, 5.2rem);
  font-weight: 700; letter-spacing: .02em; line-height: 1.12; margin-bottom: 28px;
  background: linear-gradient(180deg, #FFFFFF 0%, #C9D6E4 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__lead {
  font-size: clamp(1rem, .9rem + .4vw, 1.18rem);
  color: var(--color-sub); max-width: 640px; margin-bottom: 40px;
}
.hero__cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero__scrollhint {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 4;
  font-family: var(--font-en); font-size: .72rem; letter-spacing: .22em;
  text-transform: uppercase; color: var(--color-muted);
}
.hero__scrollhint::before {
  content: ""; display: block; width: 1px; height: 30px; margin: 0 auto 10px;
  background: linear-gradient(var(--color-muted), transparent);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-en); font-size: .95rem; font-weight: 500;
  padding: 13px 28px; border-radius: 999px;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
}
.btn--primary {
  background: linear-gradient(120deg, var(--color-mint), var(--color-cyan));
  color: #06231F; font-weight: 600;
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(97,230,245,.25); }
.btn--ghost { border: 1px solid var(--border-strong); color: var(--color-text); }
.btn--ghost:hover { transform: translateY(-2px); border-color: var(--color-cyan); background: rgba(97,230,245,.06); }

/* =========================================================
   3. Knowledge Domains
   ========================================================= */
.domains { background: var(--color-bg); }
.domains__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.domain-card {
  position: relative; display: flex; flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 26px 56px; overflow: hidden;
  transition: transform .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}
.domain-card::before {
  content: ""; position: absolute; left: 0; top: 0; height: 100%; width: 3px;
  background: var(--accent, var(--color-cyan)); opacity: .55; transition: opacity .3s var(--ease);
}
.domain-card[data-accent="strategy"] { --accent: var(--cat-strategy); }
.domain-card[data-accent="practice"] { --accent: var(--cat-practice); }
.domain-card[data-accent="tools"]    { --accent: var(--cat-tools); }
.domain-card[data-accent="security"] { --accent: var(--cat-security); }
.domain-card[data-accent="creation"] { --accent: var(--cat-creation); }
.domain-card[data-accent="lab"]      { --accent: var(--cat-lab); }
.domain-card:hover {
  transform: translateY(-4px); background: var(--color-surface2);
  border-color: var(--border-strong);
  box-shadow: 0 18px 40px rgba(0,0,0,.35), inset 0 0 0 1px color-mix(in srgb, var(--accent) 18%, transparent);
}
.domain-card:hover::before { opacity: 1; }
.domain-card__label {
  font-family: var(--font-en); font-size: 1.25rem; font-weight: 600; letter-spacing: .01em;
}
.domain-card__sub { color: var(--accent, var(--color-cyan)); font-size: .82rem; margin: 4px 0 14px; }
.domain-card__desc { color: var(--color-sub); font-size: .92rem; }
.domain-card__status {
  display: inline-block; margin-top: 14px; font-family: var(--font-en);
  font-size: .72rem; letter-spacing: .08em; color: var(--color-muted);
  border: 1px solid var(--border); border-radius: 999px; padding: 2px 10px; width: fit-content;
}
.domain-card__arrow {
  position: absolute; right: 22px; bottom: 20px; font-size: 1.1rem;
  color: var(--accent, var(--color-cyan)); transition: transform .3s var(--ease);
}
.domain-card:hover .domain-card__arrow { transform: translateX(4px); }

/* =========================================================
   4. Featured Insight
   ========================================================= */
.featured { background: var(--color-bg2); }
.featured__layout { display: grid; grid-template-columns: 1.6fr 1fr; gap: 24px; }
.featured-insight {
  display: flex; border: 1px solid var(--border-strong); border-radius: var(--radius);
  background: linear-gradient(135deg, var(--color-surface2), var(--color-surface));
  overflow: hidden; transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.featured-insight:hover { transform: translateY(-4px); box-shadow: 0 20px 50px rgba(0,0,0,.4); }
.featured-insight__body { padding: 40px 38px; display: flex; flex-direction: column; gap: 16px; }
.featured-insight__title { font-size: clamp(1.3rem, 1rem + 1vw, 1.85rem); }
.featured-insight__summary { color: var(--color-sub); }
.featured-insight__meta {
  margin-top: auto; padding-top: 12px; display: flex; align-items: center; gap: 20px;
  color: var(--color-muted); font-size: .85rem; font-family: var(--font-en);
}
.featured-insight__readlink { color: var(--color-cyan); }

.featured__side { display: flex; flex-direction: column; gap: 16px; }

/* =========================================================
   Tags
   ========================================================= */
.tag {
  display: inline-block; width: fit-content;
  font-family: var(--font-en); font-size: .72rem; font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase;
  padding: 3px 11px; border-radius: 999px;
  border: 1px solid color-mix(in srgb, currentColor 55%, transparent);
  background: color-mix(in srgb, currentColor 13%, transparent);
}
.tag--security { color: var(--cat-security); }
.tag--strategy { color: var(--cat-strategy); }
.tag--tools    { color: var(--cat-tools); }
.tag--practice { color: var(--cat-practice); }
.tag--creation { color: var(--cat-creation); }
.tag--lab      { color: var(--cat-lab); }
.tag--muted    { color: var(--color-muted); }

/* =========================================================
   Article cards
   ========================================================= */
.article-card {
  display: flex; flex-direction: column; gap: 12px;
  background: var(--color-surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px 22px;
  transition: transform .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}
.article-card:hover {
  transform: translateY(-4px); border-color: var(--border-strong);
  background: var(--color-surface2); box-shadow: 0 16px 36px rgba(0,0,0,.32);
}
.article-card__title { font-size: 1.08rem; }
.article-card__summary { color: var(--color-sub); font-size: .9rem; }
.article-card__meta {
  margin-top: auto; padding-top: 8px; display: flex; gap: 16px;
  font-family: var(--font-en); font-size: .8rem; color: var(--color-muted);
}
.article-card__status {
  font-family: var(--font-en); font-size: .74rem; letter-spacing: .06em; color: var(--color-muted);
  border: 1px solid var(--border); border-radius: 999px; padding: 2px 10px; width: fit-content;
}
.article-card--mini { padding: 18px 18px; }
.article-card--mini .article-card__title { font-size: .98rem; }
.article-card--placeholder { background: transparent; border-style: dashed; opacity: .6; }
.article-card--placeholder:hover { transform: none; box-shadow: none; background: transparent; }

/* =========================================================
   5. Latest Articles
   ========================================================= */
.latest { background: var(--color-bg); }
.latest__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

/* =========================================================
   6. Practical Pathways
   ========================================================= */
.pathways { background: var(--color-bg2); }
.pathways__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pathway-card {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--color-surface); padding: 32px 28px;
  display: flex; flex-direction: column; gap: 14px;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.pathway-card:hover { border-color: var(--border-strong); background: var(--color-surface2); }
.pathway-card__title { font-size: 1.2rem; }
.pathway-card__desc { color: var(--color-sub); font-size: .92rem; }
.pathway-card__cta { color: var(--color-mint); font-family: var(--font-en); font-size: .9rem; margin-top: auto; }
.pathway-card__cta:hover { color: var(--color-cyan); }

/* =========================================================
   7. Lab / R&D Note
   ========================================================= */
.labnote { background: var(--color-bg); }
.labnote__inner {
  position: relative; border: 1px solid var(--border-strong); border-radius: 14px;
  padding: 56px 48px; overflow: hidden;
  background:
    radial-gradient(700px 360px at 88% 8%, rgba(255,140,168,.13), transparent 60%),
    linear-gradient(135deg, var(--color-surface2), var(--color-bg2));
}
.labnote__badge {
  font-family: var(--font-en); font-size: .78rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--cat-lab); border: 1px solid color-mix(in srgb, var(--cat-lab) 40%, transparent);
  border-radius: 999px; padding: 4px 14px;
}
.labnote__title { font-size: clamp(1.4rem, 1.1rem + 1vw, 2rem); margin: 20px 0 10px; max-width: 640px; }
.labnote__lead { color: var(--color-sub); }
.labnote__disclaimer {
  margin-top: 28px; padding: 16px 20px; border-left: 2px solid var(--color-amber);
  background: rgba(247,201,72,.05); color: var(--color-sub); font-size: .86rem; border-radius: 4px;
}
.labnote__status {
  display: inline-block; margin-top: 24px; font-family: var(--font-en);
  font-size: .76rem; letter-spacing: .08em; color: var(--color-muted);
  border: 1px solid var(--border); border-radius: 999px; padding: 3px 14px;
}

/* =========================================================
   8. About
   ========================================================= */
.about { background: var(--color-bg2); }
.about__body { color: var(--color-sub); max-width: 760px; font-size: 1.02rem; }

/* =========================================================
   Operator Page
   ========================================================= */
.operator-intro,
.operator-section {
  margin-top: 44px;
}
.operator-intro:first-child { margin-top: 0; }
.operator-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
  border-top: 1px solid var(--border);
}
.operator-table th,
.operator-table td {
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
  vertical-align: top;
}
.operator-table th {
  width: 190px;
  color: var(--color-muted);
  font-size: .88rem;
  font-weight: 600;
  text-align: left;
}
.operator-table td {
  color: var(--color-sub);
}
.operator-table a,
.operator-link {
  color: var(--color-amber);
  text-decoration: underline;
  text-underline-offset: .18em;
}
.operator-visit {
  margin-top: 18px;
  padding: 22px 24px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255,255,255,.03);
}
.operator-visit address {
  margin-top: 14px;
  color: var(--color-sub);
  font-style: normal;
}
/* Operator table — 狭幅レスポンシブ（SP 横溢れ補正：operator ページのみ／PC・他ページ無影響）
   真因＝`.article-body table { min-width:480px }`（詳細度 0,1,1）が operator テーブルにも効き、
   剛体480pxに固定していた（記事テーブルは .table-wrap{overflow-x:auto} で吸収されるが operator は未包含で文書ごと溢れる）。
   対策＝セレクタを `.article-body .operator-table`（詳細度 0,2,0/0,2,1）に上げて min-width を確実に 0 へ上書きし、
   狭幅では行を縦積み（display:block）にして URL/メール/住所を折り返す。100vw は縦スクロールバー幅を含むため使わない。 */
@media (max-width: 560px) {
  .article-body .operator-table {
    display: block;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
  }
  .article-body .operator-table tbody,
  .article-body .operator-table tr,
  .article-body .operator-table th,
  .article-body .operator-table td {
    display: block;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
  }
  .article-body .operator-table tr { border-bottom: 1px solid var(--border); }
  .article-body .operator-table th {
    padding: 18px 0 4px;
    border-bottom: none;
  }
  .article-body .operator-table td {
    padding: 0 0 18px;
    border-bottom: none;
    overflow-wrap: anywhere;
    word-break: break-word;
  }
}

/* =========================================================
   9. Footer
   ========================================================= */
.site-footer { background: var(--color-bg); border-top: 1px solid var(--border); }
.site-footer__inner {
  display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap;
  padding-block: 56px 40px;
}
.site-footer__logo { height: 52px; width: auto; margin-bottom: 16px; }
.site-footer__tagline { color: var(--color-sub); font-size: .95rem; }
.site-footer__operator { color: var(--color-muted); font-size: .85rem; margin-top: 8px; }
.site-footer__links { display: flex; flex-wrap: wrap; gap: 16px 28px; align-content: flex-start; }
.site-footer__links a {
  color: var(--color-sub); font-size: .9rem; position: relative;
  transition: color .25s var(--ease);
}
.site-footer__links a:hover { color: var(--color-text); }
.site-footer__copy {
  border-top: 1px solid var(--border); padding-block: 22px;
  font-family: var(--font-en); font-size: .78rem; color: var(--color-muted);
}

/* =========================================================
   Article Page
   ========================================================= */
.article { background: var(--color-bg); }

/* Article Hero */
.article-hero {
  position: relative; overflow: hidden;
  padding-block: calc(var(--header-h) + 44px) 52px;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(900px 420px at 80% -10%, rgba(247,201,72,.10), transparent 60%),
    linear-gradient(180deg, var(--color-bg2) 0%, var(--color-bg) 100%);
}
.article-hero::before { /* 微細なグリッド（控えめ） */
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(80% 70% at 72% 0%, #000 0%, transparent 75%);
  mask-image: radial-gradient(80% 70% at 72% 0%, #000 0%, transparent 75%);
}
.article-hero__inner { position: relative; z-index: 1; max-width: 880px; }
.article-hero--security { --cat-accent: var(--cat-security); }
.article-hero--strategy { --cat-accent: var(--cat-strategy); }
.article-hero--tools    { --cat-accent: var(--cat-tools); }
.article-hero--practice { --cat-accent: var(--cat-practice); }
.article-hero--creation { --cat-accent: var(--cat-creation); }
.article-hero--lab      { --cat-accent: var(--cat-lab); }
.article-hero__inner::before { /* カテゴリのアクセントライン */
  content: ""; display: block; width: 44px; height: 3px; margin-bottom: 22px;
  background: var(--cat-accent, var(--color-cyan)); border-radius: 2px;
}
.article-hero__labels { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.article-label {
  font-family: var(--font-en); font-size: .7rem; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--color-bg);
  background: var(--cat-accent, var(--color-cyan)); border-radius: 999px; padding: 3px 11px;
}
.article-hero__title {
  font-size: clamp(1.7rem, 1.2rem + 1.9vw, 2.6rem);
  line-height: 1.32; letter-spacing: .01em; margin-bottom: 20px; max-width: 22em;
}
.article-hero__summary { color: var(--color-sub); font-size: 1.05rem; max-width: 40em; margin-bottom: 24px; }
.article-hero__meta {
  display: flex; gap: 20px; font-family: var(--font-en); font-size: .82rem; color: var(--color-muted);
}

/* Article wrap / meta */
.article-wrap { max-width: 820px; margin-inline: auto; padding-block: 48px 8px; }
.article-meta {
  display: flex; flex-wrap: wrap; gap: 10px 28px;
  padding: 18px 22px; margin-bottom: 40px;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--color-surface); font-size: .85rem;
}
.article-meta__row { display: flex; gap: 10px; }
.article-meta dt {
  font-family: var(--font-en); color: var(--color-muted);
  font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; padding-top: 1px;
}
.article-meta dd { color: var(--color-sub); }

/* Article body */
.article-body { font-size: 1.02rem; line-height: 1.95; }
.article-body h2 {
  font-family: var(--font-jp); font-size: clamp(1.3rem, 1.1rem + .7vw, 1.6rem);
  margin: 56px 0 20px; padding-bottom: 12px; border-bottom: 1px solid var(--border-strong);
}
.article-body h3 { font-size: 1.14rem; color: var(--color-text); margin: 36px 0 12px; }
.article-body p { margin-bottom: 18px; color: var(--color-text); }
.article-body strong { color: var(--color-cyan); font-weight: 600; }
.article-body a { color: var(--color-cyan); text-decoration: underline; text-underline-offset: 2px; }
.article-body a:hover { color: var(--color-mint); }
.article-lead {
  font-size: 1.08rem; color: var(--color-sub);
  border-left: 2px solid var(--color-cyan); padding-left: 18px;
}
.article-body .prose-list { margin: 4px 0 18px 1.4em; list-style: disc; }
.article-body .prose-list li { margin-bottom: 8px; }
.article-body .prose-list li::marker { color: var(--color-cyan); }

/* Article body preformatted block（記入テンプレ等。等幅・横スクロール許容） */
.article-body pre {
  background: var(--color-surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--color-cyan);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin: 26px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  font-family: "SFMono-Regular", Consolas, "Noto Sans Mono CJK JP", "Yu Gothic", monospace;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--color-sub);
  white-space: pre;
}

/* Article body tables */
.table-wrap { overflow-x: auto; margin: 24px 0; -webkit-overflow-scrolling: touch; }
.article-body table {
  width: 100%; border-collapse: collapse; font-size: .9rem;
  border: 1px solid var(--border); min-width: 480px;
}
.article-body th, .article-body td {
  text-align: left; padding: 11px 14px; border: 1px solid var(--border); vertical-align: top;
}
.article-body thead th {
  background: var(--color-surface2); color: var(--color-text);
  font-family: var(--font-en); font-weight: 600; font-size: .82rem; letter-spacing: .02em;
}
.article-body tbody tr:nth-child(even) { background: rgba(255,255,255,.02); }
.article-body td strong, .article-body th strong { color: var(--color-cyan); }

/* Notice (Iタグ 情報管理注意表示) */
.notice {
  border: 1px solid var(--border-strong); border-radius: var(--radius);
  padding: 18px 22px; margin: 28px 0; background: var(--color-surface);
}
.notice--info { border-left: 3px solid var(--color-cyan); }
.notice__title {
  font-family: var(--font-en); font-size: .78rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--color-cyan); margin-bottom: 8px;
}
.notice p { font-size: .92rem; color: var(--color-sub); margin-bottom: 0; }

/* Key Takeaways */
.takeaways {
  border: 1px solid var(--border-strong); border-radius: var(--radius);
  padding: 24px 26px; margin: 28px 0 36px;
  background: linear-gradient(135deg, var(--color-surface2), var(--color-surface));
}
.takeaways__title {
  font-family: var(--font-en); font-size: .82rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--color-mint); margin-bottom: 14px;
}
.takeaways ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.takeaways li { position: relative; padding-left: 24px; color: var(--color-text); font-size: .96rem; }
.takeaways li::before {
  content: ""; position: absolute; left: 4px; top: .65em; width: 7px; height: 7px;
  background: var(--color-mint); border-radius: 50%;
}

/* Insight / Warning boxes */
.insight-box, .warning-box { border-radius: var(--radius); padding: 18px 22px; margin: 26px 0; }
.insight-box { background: rgba(97,230,245,.06); border-left: 3px solid var(--color-cyan); }
.warning-box { background: rgba(247,201,72,.06); border-left: 3px solid var(--color-amber); }
.insight-box p, .warning-box p { font-size: .96rem; margin-bottom: 12px; color: var(--color-sub); }
.insight-box p:last-child, .warning-box p:last-child { margin-bottom: 0; }
.insight-box strong, .warning-box strong { color: var(--color-text); }

/* Scene grid */
.scene-grid { display: grid; gap: 16px; margin: 24px 0; }
.scene-card {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--color-surface); padding: 20px 22px;
}
.scene-card h3 { margin: 0 0 8px; font-size: 1.02rem; color: var(--color-text); }
.scene-card h3::before {
  content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 10px;
  background: var(--color-amber); border-radius: 2px; transform: rotate(45deg); vertical-align: middle;
}
.scene-card p { font-size: .92rem; color: var(--color-sub); margin-bottom: 10px; }
.scene-card p:last-child { margin-bottom: 0; }

/* Measure list (numbered) */
.measure-list { list-style: none; counter-reset: measure; display: flex; flex-direction: column; gap: 16px; margin: 24px 0; }
.measure-item {
  position: relative; counter-increment: measure;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--color-surface); padding: 22px 24px 22px 64px;
}
.measure-item::before {
  content: counter(measure); position: absolute; left: 20px; top: 22px;
  width: 30px; height: 30px; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-en); font-weight: 600; font-size: .95rem;
  color: var(--color-bg); background: linear-gradient(120deg, var(--color-mint), var(--color-cyan)); border-radius: 50%;
}
.measure-item h3 { margin: 2px 0 10px; font-size: 1.06rem; color: var(--color-text); }
.measure-item p { font-size: .94rem; color: var(--color-sub); margin-bottom: 10px; }
.measure-item p:last-child { margin-bottom: 0; }

.article-hr { border: 0; border-top: 1px solid var(--border); margin: 48px 0; }

/* Diagram figure (Anna 制作の SVG / 画像を埋め込む) */
.diagram { margin: 32px 0; }
.diagram img { width: 100%; height: auto; display: block; border-radius: var(--radius); }
.diagram__caption { margin-top: 12px; font-size: .82rem; color: var(--color-muted); text-align: center; }

/* References */
.article-refs {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--color-surface); padding: 28px 26px; margin-top: 40px;
}
.article-refs__title { font-size: 1.1rem; margin-bottom: 8px; padding: 0; border: 0; }
.article-refs h3 {
  font-family: var(--font-en); font-size: .82rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--color-sub); margin: 22px 0 10px;
}
.article-refs ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.article-refs li {
  font-size: .84rem; line-height: 1.6; color: var(--color-sub);
  padding-left: 14px; border-left: 2px solid var(--border); word-break: break-word;
}
.article-refs a { color: var(--color-cyan); text-decoration: none; word-break: break-all; }
.article-refs a:hover { text-decoration: underline; }
.article-refs em { color: var(--color-muted); font-style: italic; }

/* Disclaimer / Signature */
.article-disclaimer {
  margin-top: 36px; padding: 20px 24px; border-radius: var(--radius);
  background: var(--color-bg2); border: 1px solid var(--border);
  font-size: .82rem; line-height: 1.7; color: var(--color-muted);
}
.article-disclaimer__title { font-size: .9rem; color: var(--color-sub); margin-bottom: 8px; }
.article-disclaimer p { margin-bottom: 10px; }
.article-disclaimer p:last-child { margin-bottom: 0; }
.article-signature {
  margin-top: 20px; padding: 20px 24px; border-radius: var(--radius);
  background: var(--color-surface); border: 1px solid var(--border);
  font-size: .86rem; line-height: 1.8; color: var(--color-sub);
}
.article-signature a { color: var(--color-cyan); text-decoration: none; }
.article-signature a:hover { text-decoration: underline; }
.article-signature p { margin-bottom: 8px; }
.article-signature p:last-child { margin-bottom: 0; }

/* Related */
.related { background: var(--color-bg2); border-top: 1px solid var(--border); }
.related__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.article-card--soon { cursor: default; }
.article-card--soon:hover { transform: none; box-shadow: none; background: var(--color-surface); border-color: var(--border); }

/* Sitemap */
.sitemap-list { list-style: none; display: flex; flex-direction: column; gap: 8px; margin: 0 0 8px; }
.sitemap-list li { padding-left: 14px; border-left: 2px solid var(--border); }
.sitemap-list li.is-soon { color: var(--color-muted); }
.sitemap-list a { color: var(--color-cyan); }

/* Practical CTA */
.article-cta-section { background: var(--color-bg); }
.article-cta {
  position: relative; overflow: hidden;
  border: 1px solid var(--border-strong); border-radius: 14px;
  padding: 48px 44px; text-align: center;
  background:
    radial-gradient(600px 300px at 50% 0%, rgba(97,230,245,.12), transparent 65%),
    linear-gradient(135deg, var(--color-surface2), var(--color-bg2));
}
.article-cta__title { font-size: clamp(1.3rem, 1.1rem + .8vw, 1.7rem); margin-bottom: 14px; max-width: 22em; margin-inline: auto; }
.article-cta__desc { color: var(--color-sub); margin-bottom: 28px; }

/* Article responsive */
@media (max-width: 768px) {
  .article-hero { padding-block: calc(var(--header-h) + 32px) 40px; }
  .article-wrap { padding-block: 36px 4px; }
  .article-body { font-size: .98rem; }
  .related__grid { grid-template-columns: 1fr; }
  .article-cta { padding: 36px 24px; }
  .measure-item { padding: 20px 20px; }
  .measure-item::before { position: static; margin-bottom: 12px; }
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1080px) {
  :root { --gutter: 24px; }
  .domains__grid,
  .latest__grid { grid-template-columns: repeat(2, 1fr); }
  .pathways__grid { grid-template-columns: repeat(3, 1fr); }
  .featured__layout { grid-template-columns: 1fr; }
  .featured__side { flex-direction: row; }
  .featured__side .article-card { flex: 1; }
}

@media (max-width: 768px) {
  .section { padding-block: 72px; }
  .nav-toggle { display: flex; }
  .site-nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(7,10,15,.96); backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px 24px;
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: transform .3s var(--ease), opacity .3s var(--ease);
  }
  .site-nav.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .site-nav a { padding: 14px 0; border-bottom: 1px solid var(--border); }
  .site-nav a::after { display: none; }
  .site-nav__contact { text-align: center; margin-top: 14px; border-radius: var(--radius); }
  .pathways__grid { grid-template-columns: 1fr; }
  .featured__side { flex-direction: column; }
  .featured-insight__body { padding: 30px 26px; }
  .labnote__inner { padding: 40px 28px; }
  .site-footer__inner { flex-direction: column; gap: 28px; }
}

@media (max-width: 560px) {
  :root { --gutter: 18px; }
  .domains__grid,
  .latest__grid { grid-template-columns: 1fr; }
  .hero { min-height: 88vh; }
  .hero__cta { flex-direction: column; align-items: stretch; }
  .hero__cta .btn { justify-content: center; }
}

/* ---------- Motion preference ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}