/* ==========================================================================
   일본취업 네비 — Design System v4
   方向: 韓国大手（Toss/Wanted/Karrot）水準のタイポグラフィ主導 + 明確なブランド要素
   構成: tokens / base / header / hero / sections / cards / buttons / trust / faq
        / cta / footer / article / guide list / motion / responsive
   ツール系コンポーネント（forms〜visa, data）は tools.css 部として後段に結合される
   ========================================================================== */

:root {
  /* Grayscale */
  --g900: #191f28;
  --g800: #333d4b;
  --g700: #4e5968;
  --g600: #6b7684;
  --g500: #8b95a1;
  --g400: #b0b8c1;
  --g200: #e5e8eb;
  --g100: #f2f4f6;
  --g50: #f9fafb;

  /* Accent */
  --blue: #3182f6;
  --blue-strong: #1b64da;
  --blue-deep: #0e2b52;
  --blue-bg: rgba(49, 130, 246, 0.08);
  --blue-bg-strong: rgba(49, 130, 246, 0.14);

  /* Status */
  --red: #e5503c;
  --red-bg: #fdf1ef;
  --green: #00885a;
  --green-bg: #ecf8f2;
  --amber: #b7791f;
  --amber-bg: #fdf6e7;
  --kakao: #fee500;

  --radius-sm: 10px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-full: 999px;

  --maxw: 1064px;   /* シェル（ヘッダー・ホーム・フッター） */
  --maxw-narrow: 728px; /* 記事・ツールの本文列 */

  --shadow-card: 0 1px 2px rgba(25, 31, 40, 0.04);
  --shadow-hover: 0 12px 32px rgba(14, 43, 82, 0.10), 0 2px 8px rgba(14, 43, 82, 0.06);
  --shadow-btn: 0 6px 16px rgba(49, 130, 246, 0.32);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ==========================================================================
   Base
   ========================================================================== */

*,
*::before,
*::after { box-sizing: border-box; }

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont,
    "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Hiragino Sans", sans-serif;
  font-size: 16.5px;
  line-height: 1.72;
  letter-spacing: -0.01em;
  color: var(--g800);
  background: #fff;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

h1, h2, h3, h4 {
  color: var(--g900);
  letter-spacing: -0.02em;
  line-height: 1.32;
  margin: 0 0 0.5em;
  font-weight: 800;
}

p { margin: 0 0 1em; }

a { color: var(--blue-strong); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

img, svg { vertical-align: middle; }

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--g900);
  color: #fff;
  padding: 10px 16px;
  border-radius: 0 0 10px 0;
  z-index: 100;
}
.skip-link:focus { left: 0; }

::selection { background: var(--blue-bg-strong); }

/* ==========================================================================
   Header — 白 + blur、ロゴマーク、CTAボタン
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.86);
  -webkit-backdrop-filter: saturate(1.8) blur(14px);
  backdrop-filter: saturate(1.8) blur(14px);
  border-bottom: 1px solid var(--g100);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 62px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 17.5px;
  font-weight: 800;
  color: var(--g900);
  letter-spacing: -0.02em;
  margin-right: auto;
}
.logo:hover { text-decoration: none; }

.logo-mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-strong) 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(49, 130, 246, 0.35);
  flex: none;
}
.logo-mark svg { width: 17px; height: 17px; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}

.site-nav a {
  color: var(--g700);
  font-size: 14.5px;
  font-weight: 600;
  padding: 8px 11px;
  border-radius: 9px;
  transition: background 0.16s var(--ease), color 0.16s var(--ease);
}
.site-nav a:hover {
  color: var(--g900);
  background: var(--g100);
  text-decoration: none;
}

.site-nav a.nav-cta {
  color: #fff;
  background: var(--g900);
  font-weight: 700;
  padding: 9px 16px;
  border-radius: var(--radius-full);
  margin-left: 8px;
}
.site-nav a.nav-cta:hover { background: var(--g800); color: #fff; }

.site-nav a.lang-switch {
  color: var(--g500);
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--g200);
  border-radius: var(--radius-full);
  padding: 5px 12px;
  margin-left: 6px;
}
.site-nav a.lang-switch:hover { color: var(--g700); background: var(--g50); }

.nav-toggle {
  display: none;
  border: 0;
  background: none;
  font-size: 22px;
  color: var(--g800);
  padding: 8px 10px;
  border-radius: 10px;
  cursor: pointer;
}

/* ==========================================================================
   Main
   ========================================================================== */

main.container { padding-top: 8px; padding-bottom: 72px; }

/* 記事・ツールなど読み物ページの本文列 */
.narrow { max-width: var(--maxw-narrow); margin-left: auto; margin-right: auto; }

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  padding: 76px 0 46px;
  text-align: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -62px -50vw 0;
  z-index: -1;
  background:
    radial-gradient(560px 300px at 26% 0%, rgba(49, 130, 246, 0.09), transparent 68%),
    radial-gradient(640px 340px at 78% 8%, rgba(49, 130, 246, 0.06), transparent 70%),
    linear-gradient(180deg, var(--g50) 0%, #fff 78%);
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--blue-strong);
  background: #fff;
  border: 1px solid var(--g200);
  box-shadow: var(--shadow-card);
  border-radius: var(--radius-full);
  padding: 7px 15px;
  margin: 0 0 22px;
}
.hero-eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-bg-strong);
}

.hero h1 {
  font-size: clamp(30px, 5.4vw, 48px);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.22;
  margin: 0 auto 18px;
  max-width: 640px;
}

.hero-sub {
  font-size: clamp(15.5px, 2vw, 17.5px);
  color: var(--g600);
  max-width: 540px;
  margin: 0 auto 30px;
}

.hero-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

/* 実績ストリップ */
.stats-strip {
  display: flex;
  justify-content: center;
  gap: 0;
  margin: 44px auto 0;
  padding: 20px 8px;
  max-width: 720px;
  background: #fff;
  border: 1px solid var(--g100);
  border-radius: var(--radius-lg);
  box-shadow: 0 6px 24px rgba(14, 43, 82, 0.06);
}
.stat {
  flex: 1;
  text-align: center;
  padding: 2px 10px;
  border-left: 1px solid var(--g100);
}
.stat:first-child { border-left: 0; }
.stat b {
  display: block;
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--g900);
  line-height: 1.2;
}
.stat span { font-size: 12.5px; color: var(--g500); font-weight: 600; }

/* ==========================================================================
   Sections
   ========================================================================== */

.section { margin: 64px 0 0; }

.section-eyebrow {
  font-size: 13px;
  font-weight: 800;
  color: var(--blue-strong);
  letter-spacing: 0.02em;
  margin: 0 0 6px;
}

.section > h2, .section-title {
  font-size: clamp(21px, 3vw, 26px);
  margin-bottom: 6px;
}

.section-lead {
  color: var(--g600);
  font-size: 15.5px;
  margin: 0 0 22px;
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.card {
  position: relative;
  background: #fff;
  border: 1px solid var(--g200);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease), border-color 0.18s var(--ease);
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--g100);
}

.card h3 { font-size: 17.5px; margin: 0 0 6px; }
.card h3 a { color: var(--g900); }
.card h3 a::after { content: ""; position: absolute; inset: 0; }
.card h3 a:hover { text-decoration: none; }
.card p { font-size: 14.5px; color: var(--g600); margin: 0 0 14px; flex: 1; }

.icon-tile {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--blue-bg);
  color: var(--blue-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.icon-tile svg { width: 24px; height: 24px; }

.card-arrow-link {
  font-size: 14px;
  font-weight: 700;
  color: var(--blue-strong);
  margin-top: auto;
}
.card:hover .card-arrow-link { text-decoration: underline; text-underline-offset: 3px; }

/* 記事カード */
.card .article-cat-label {
  display: inline-flex;
  align-self: flex-start;
  font-size: 12px;
  font-weight: 700;
  color: var(--blue-strong);
  background: var(--blue-bg);
  border-radius: var(--radius-full);
  padding: 3.5px 11px;
  margin: 0 0 12px;
  flex: none;
}
.card h2 { font-size: 16.5px; line-height: 1.42; margin: 0 0 8px; }
.card h2 a { color: var(--g900); }
.card h2 a::after { content: ""; position: absolute; inset: 0; }
.card h2 a:hover { text-decoration: none; }
.card time, .card .card-meta {
  font-size: 12.5px;
  color: var(--g500);
  margin-top: auto;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  font-size: 15px;
  font-weight: 700;
  font-family: inherit;
  letter-spacing: -0.01em;
  border-radius: 13px;
  padding: 13px 22px;
  border: 0;
  cursor: pointer;
  transition: transform 0.15s var(--ease), box-shadow 0.15s var(--ease),
    background 0.15s var(--ease), filter 0.15s var(--ease);
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px) scale(0.99); }

.btn-primary {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-strong) 100%);
  color: #fff;
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover { filter: brightness(1.06); color: #fff; }

.btn-ghost {
  background: #fff;
  color: var(--g800);
  border: 1px solid var(--g200);
  box-shadow: var(--shadow-card);
}
.btn-ghost:hover { background: var(--g50); }

.btn-kakao { background: var(--kakao); color: #191600; }
.btn-kakao:hover { filter: brightness(1.03); color: #191600; }

/* ==========================================================================
   Trust（신뢰 섹션）
   ========================================================================== */

.trust-band {
  margin-top: 72px;
  padding: 52px 0 56px;
  background: var(--g50);
  border-top: 1px solid var(--g100);
  border-bottom: 1px solid var(--g100);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin-top: 22px;
}
.trust-item {
  background: #fff;
  border: 1px solid var(--g200);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  box-shadow: var(--shadow-card);
}
.trust-item .icon-tile { margin-bottom: 12px; }
.trust-item h3 { font-size: 16px; margin-bottom: 5px; }
.trust-item p { font-size: 14px; color: var(--g600); margin: 0; }

/* ==========================================================================
   FAQ（AEO・アコーディオン）
   ========================================================================== */

.faq { margin-top: 22px; border-top: 1px solid var(--g200); }
.faq details { border-bottom: 1px solid var(--g200); }
.faq summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 17px 4px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--g900);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  margin-left: auto;
  font-size: 20px;
  font-weight: 500;
  color: var(--g400);
  transition: transform 0.2s var(--ease);
  flex: none;
}
.faq details[open] summary::after { transform: rotate(45deg); color: var(--blue); }
.faq .faq-a {
  padding: 0 4px 18px;
  font-size: 15px;
  color: var(--g700);
}
.faq .faq-a p { margin: 0; }

/* ==========================================================================
   CTA band
   ========================================================================== */

.cta-band {
  background:
    radial-gradient(480px 240px at 85% 10%, rgba(49, 130, 246, 0.25), transparent 65%),
    linear-gradient(135deg, #0f1f38 0%, var(--blue-deep) 100%);
  color: #fff;
  padding: 52px 0;
  margin-top: 84px;
}
.cta-band-inner { text-align: center; }
.cta-band p {
  font-size: clamp(17px, 2.6vw, 21px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
  max-width: 560px;
  margin: 0 auto 22px;
}
.cta-band-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.cta-band .btn-primary { background: #fff; color: var(--blue-deep); box-shadow: none; }
.cta-band .btn-primary:hover { filter: none; background: var(--g100); }

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: var(--g50);
  border-top: 1px solid var(--g100);
  padding: 44px 0 40px;
  font-size: 13.5px;
  color: var(--g600);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 28px;
  margin-bottom: 28px;
}
.footer-brand .logo { font-size: 16px; margin-bottom: 10px; }
.footer-brand p { font-size: 13px; color: var(--g500); margin: 0; }

.footer-col h3 {
  font-size: 12.5px;
  font-weight: 800;
  color: var(--g500);
  letter-spacing: 0.02em;
  margin: 4px 0 10px;
}
.footer-col a {
  display: block;
  color: var(--g600);
  font-size: 13.5px;
  padding: 3.5px 0;
}
.footer-col a:hover { color: var(--g900); }

.footer-bottom {
  border-top: 1px solid var(--g200);
  padding-top: 20px;
}
.footer-disclaimer { font-size: 12.5px; color: var(--g500); max-width: 760px; }
.footer-nav { display: flex; gap: 8px; align-items: center; margin: 10px 0 6px; color: var(--g400); }
.footer-nav a { color: var(--g600); font-weight: 600; font-size: 13px; }
.footer-operator { font-size: 12.5px; color: var(--g500); margin: 0; }

/* ==========================================================================
   Article
   ========================================================================== */

.breadcrumb {
  font-size: 13px;
  color: var(--g500);
  margin: 18px 0 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  align-items: center;
}
.breadcrumb a { color: var(--g500); }
.breadcrumb a:hover { color: var(--g800); }
.breadcrumb span[aria-hidden] { color: var(--g300, #c8cdd4); }
.breadcrumb > span:last-child {
  color: var(--g700);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 320px;
}

.article { max-width: var(--maxw-narrow); margin: 0 auto; }

.article > header { margin-bottom: 26px; }

.article-cat-chip {
  display: inline-flex;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--blue-strong);
  background: var(--blue-bg);
  border-radius: var(--radius-full);
  padding: 4px 12px;
  margin-bottom: 14px;
}

.article h1 {
  font-size: clamp(25px, 4vw, 34px);
  line-height: 1.3;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
  font-size: 13.5px;
  color: var(--g500);
}
.article-meta .dot { color: var(--g300, #c8cdd4); }

.article-supervisor {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 600;
  color: var(--g700);
  background: var(--g100);
  border-radius: var(--radius-full);
  padding: 5px 13px;
  margin: 14px 0 0;
}
.article-supervisor::before {
  content: "";
  width: 15px;
  height: 15px;
  flex: none;
  background: var(--green);
  -webkit-mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><path d="M20 6 9 17l-5-5"/></svg>') center / contain no-repeat;
  mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><path d="M20 6 9 17l-5-5"/></svg>') center / contain no-repeat;
}

.ja-note {
  font-size: 13.5px;
  color: var(--amber);
  background: var(--amber-bg);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
}

/* 核心要約（AEO: 直接回答ボックス） */
.article-summary {
  background: linear-gradient(180deg, rgba(49, 130, 246, 0.07), rgba(49, 130, 246, 0.035));
  border: 1px solid rgba(49, 130, 246, 0.18);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin: 26px 0;
}
.article-summary .summary-label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 800;
  color: var(--blue-strong);
  margin: 0 0 10px;
}
.article-summary .summary-label::before {
  content: "";
  width: 15px;
  height: 15px;
  flex: none;
  background: var(--blue-strong);
  -webkit-mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2.4" stroke-linecap="round" stroke-linejoin="round"><path d="M12 2 15 8.5 22 9.3 17 14 18.5 21 12 17.5 5.5 21 7 14 2 9.3 9 8.5z"/></svg>') center / contain no-repeat;
  mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2.4" stroke-linecap="round" stroke-linejoin="round"><path d="M12 2 15 8.5 22 9.3 17 14 18.5 21 12 17.5 5.5 21 7 14 2 9.3 9 8.5z"/></svg>') center / contain no-repeat;
}
.article-summary ul { margin: 0; padding-left: 20px; }
.article-summary li { margin: 5px 0; font-size: 15.5px; color: var(--g800); }
.article-summary li::marker { color: var(--blue); }

/* 目次 */
.article-toc {
  border: 1px solid var(--g200);
  border-radius: var(--radius);
  background: #fff;
  margin: 0 0 30px;
}
.article-toc summary {
  list-style: none;
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 800;
  color: var(--g700);
  padding: 13px 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.article-toc summary::-webkit-details-marker { display: none; }
.article-toc summary::after { content: "›"; margin-left: auto; color: var(--g400); transform: rotate(90deg); transition: transform .2s var(--ease); }
.article-toc[open] summary::after { transform: rotate(-90deg); }
.article-toc ol {
  margin: 0;
  padding: 2px 18px 14px 36px;
  font-size: 14.5px;
}
.article-toc li { margin: 4px 0; }
.article-toc a { color: var(--g700); font-weight: 600; }
.article-toc a:hover { color: var(--blue-strong); }
.article-toc li::marker { color: var(--g400); font-weight: 700; font-size: 12.5px; }

/* 本文 */
.article-body { font-size: 16.5px; }
.article-body h2 {
  font-size: 22px;
  margin: 46px 0 14px;
  padding-top: 6px;
  scroll-margin-top: 84px;
}
.article-body h3 { font-size: 18px; margin: 30px 0 10px; }
.article-body p { margin: 0 0 16px; }
.article-body ul, .article-body ol { padding-left: 22px; margin: 0 0 16px; }
.article-body li { margin: 5px 0; }
.article-body li::marker { color: var(--blue); }
.article-body strong { color: var(--g900); font-weight: 700; }
.article-body blockquote {
  margin: 20px 0;
  padding: 14px 20px;
  border-left: 3px solid var(--blue);
  background: var(--g50);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--g700);
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 14.5px;
  border: 1px solid var(--g200);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.article-body th {
  background: var(--g50);
  text-align: left;
  font-weight: 700;
  color: var(--g700);
  padding: 10px 14px;
  border-bottom: 1px solid var(--g200);
}
.article-body td { padding: 10px 14px; border-bottom: 1px solid var(--g100); }
.article-body tr:last-child td { border-bottom: 0; }
.article-body hr { border: 0; border-top: 1px solid var(--g200); margin: 34px 0; }

/* 出典・免責（本文末尾の定型部） */
.article-sources-note {
  font-size: 13px;
  color: var(--g500);
  background: var(--g50);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-top: 8px;
}

/* 関連ツール */
.related-tool {
  margin: 40px 0 8px;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 18px;
  background: linear-gradient(135deg, #f4f8ff 0%, #fff 60%);
  border: 1px solid var(--g200);
}
.related-tool:hover { transform: none; box-shadow: var(--shadow-card); }
.related-tool .icon-tile { margin: 0; flex: none; }
.related-tool-body { flex: 1; }
.related-tool h2 { font-size: 16.5px; margin: 0 0 4px; }
.related-tool p { font-size: 14px; margin: 0 0 12px; flex: none; }
.related-tool .btn { padding: 10px 18px; font-size: 14px; }

/* 関連記事 */
.related-articles { list-style: none; padding: 0; margin: 14px 0 0; }
.related-articles li { border-bottom: 1px solid var(--g100); }
.related-articles a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 4px;
  color: var(--g800);
  font-size: 15px;
  font-weight: 600;
}
.related-articles a::before {
  content: "";
  width: 6px;
  height: 6px;
  border-top: 2px solid var(--g400);
  border-right: 2px solid var(--g400);
  transform: rotate(45deg);
  flex: none;
}
.related-articles a:hover { color: var(--blue-strong); text-decoration: none; }

/* ==========================================================================
   Guide list
   ========================================================================== */

.category-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 18px 0 6px;
}
.category-tabs .tab {
  font-size: 14px;
  font-weight: 700;
  color: var(--g600);
  background: var(--g100);
  border-radius: var(--radius-full);
  padding: 8px 16px;
  transition: background 0.15s var(--ease), color 0.15s var(--ease);
}
.category-tabs .tab:hover { background: var(--g200); color: var(--g800); text-decoration: none; }
.category-tabs .tab.active { background: var(--g900); color: #fff; }

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-top: 36px;
  font-size: 14.5px;
  color: var(--g500);
}
.pagination a {
  font-weight: 700;
  color: var(--g800);
  border: 1px solid var(--g200);
  border-radius: var(--radius-full);
  padding: 9px 18px;
  background: #fff;
}
.pagination a:hover { background: var(--g50); text-decoration: none; }

/* ==========================================================================
   Operator section
   ========================================================================== */

.operator-section {
  background: var(--g50);
  border: 1px solid var(--g100);
  border-radius: var(--radius-lg);
  padding: 28px 30px;
}
.operator-section h2 { font-size: 18px; }
.operator-section p { font-size: 14.5px; color: var(--g600); margin-bottom: 6px; }

/* ==========================================================================
   Legal pages（privacy / terms）
   ========================================================================== */

.legal-page { max-width: var(--maxw-narrow); margin: 0 auto; }
.legal-page h1 { font-size: 26px; margin: 26px 0 18px; }
.legal-page h2 { font-size: 18px; margin: 28px 0 10px; }
.legal-page p, .legal-page li { font-size: 15px; color: var(--g700); }

/* ==========================================================================
   Forms
   ========================================================================== */

input, select, textarea, button {
  font-family: inherit;
}

input, select, textarea {
  accent-color: var(--blue);
}

/* ==========================================================================
   Salary tool
   ========================================================================== */

.salary-form.card,
.salary-numbers.card,
.salary-notes.card,
.salary-compare.card {
  padding: 24px;
}

.salary-form .field {
  margin-bottom: 24px;
}

.salary-form .field:last-child {
  margin-bottom: 0;
}

.salary-form label {
  display: block;
  font-weight: 700;
  color: var(--g900);
  margin-bottom: 10px;
  font-size: 0.9063rem;
}

.salary-income-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--g900);
  margin: 0 0 12px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.salary-slider {
  width: 100%;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.btn-group .btn {
  padding: 9px 15px;
  font-size: 0.875rem;
  background: #fff;
  color: var(--g700);
}

.btn-group .btn:hover {
  background: var(--g100);
}

.btn-group .btn.active {
  background: var(--g900);
  color: #fff;
}

.salary-result {
  margin-top: 16px;
}

.salary-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  padding: 12px 0;
  border-bottom: 1px solid var(--g100);
}

.salary-row:last-child {
  border-bottom: none;
}

.salary-label {
  color: var(--g600);
  font-size: 0.9063rem;
  font-weight: 500;
}

.salary-value-xl {
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--g900);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}

.salary-value-lg {
  font-size: 1.55rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.salary-value-md {
  font-size: 1.25rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.text-good {
  color: var(--green);
}

.text-accent {
  color: var(--red);
}

.salary-note-sm {
  font-size: 0.8125rem;
  color: var(--g500);
  margin: 0 0 12px;
}

.salary-notes p {
  margin: 0 0 10px;
  font-size: 0.875rem;
  color: var(--g600);
  word-break: keep-all;
}

.salary-ref-list {
  margin: 8px 0;
  padding-left: 18px;
  color: var(--g600);
  font-size: 0.875rem;
}

.salary-copy-btn {
  width: 100%;
  margin-top: 14px;
}

/* ==========================================================================
   Quiz tool
   ========================================================================== */

.quiz-start.card,
.quiz-question.card,
.quiz-result.card {
  padding: 28px 24px;
}

.quiz-progress {
  height: 6px;
  background: var(--g100);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: 16px;
}

.quiz-progress-bar {
  height: 100%;
  background: var(--blue);
  border-radius: var(--radius-full);
  width: 0;
  transition: width 0.25s var(--ease);
}

.quiz-qnum {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 10px;
}

.quiz-qtext {
  font-size: 1.14rem;
  font-weight: 700;
  color: var(--g900);
  line-height: 1.5;
  margin: 0 0 20px;
  word-break: keep-all;
}

.quiz-choices {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.quiz-choices button {
  width: 100%;
  text-align: left;
  justify-content: flex-start;
  background: #fff;
  color: var(--g800);
  padding: 13px 16px;
}

.quiz-choices button:hover {
  background: var(--blue-bg);
  color: var(--g900);
}

.quiz-nav {
  display: flex;
  gap: 8px;
  margin-top: 18px;
}

.quiz-type-code {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--blue);
  margin: 0;
}

.quiz-type-name {
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 6px 0 12px;
}

.quiz-axis-list {
  margin: 20px 0;
}

.quiz-axis-row {
  margin-bottom: 14px;
}

.quiz-axis-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--g600);
  margin-bottom: 6px;
}

.quiz-axis-bar {
  height: 8px;
  background: #fff;
  border-radius: var(--radius-full);
  overflow: hidden;
}

.quiz-axis-fill {
  height: 100%;
  background: var(--blue);
  border-radius: var(--radius-full);
}

.quiz-share-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 20px;
}

/* ==========================================================================
   Register form
   ========================================================================== */

.register-form.card {
  padding: 28px 24px;
}

.register-form .field {
  margin-bottom: 20px;
}

.register-form label {
  display: block;
  font-weight: 700;
  color: var(--g900);
  margin-bottom: 7px;
  font-size: 0.9063rem;
}

.register-form input,
.register-form select,
.register-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--g200);
  border-radius: var(--radius-sm);
  font: inherit;
  background: #fff;
  color: var(--g900);
  transition: border-color 0.15s var(--ease);
}

.register-form input:focus-visible,
.register-form select:focus-visible,
.register-form textarea:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
  border-color: var(--blue);
}

.register-form input:focus,
.register-form select:focus,
.register-form textarea:focus {
  border-color: var(--blue);
}

.register-form textarea {
  min-height: 100px;
  resize: vertical;
}

.register-consent {
  margin: 26px 0;
  padding: 20px;
  background: #fff;
  border-radius: var(--radius);
}

.register-consent label {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-weight: 500;
  font-size: 0.9063rem;
  color: var(--g800);
  margin-bottom: 14px;
  cursor: pointer;
}

.register-consent input {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  flex: none;
}

.register-prefill {
  background: var(--blue-bg);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  margin-bottom: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--blue-strong);
}

.register-error {
  color: var(--red);
  background: var(--red-bg);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 14px;
}

.register-success {
  text-align: center;
  padding: 48px 0;
}

.legal-text {
  white-space: pre-wrap;
  font-family: inherit;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--g700);
  background: var(--g50);
  border-radius: var(--radius);
  padding: 20px;
  overflow-x: auto;
}

/* ==========================================================================
   Decoder tool
   ========================================================================== */

.decoder-input.card {
  padding: 24px;
}

.decoder-textarea {
  width: 100%;
  min-height: 220px;
  padding: 14px;
  border: 1.5px solid var(--g200);
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: 0.9063rem;
  line-height: 1.7;
  resize: vertical;
  transition: border-color 0.15s var(--ease);
}

.decoder-textarea:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
  border-color: var(--blue);
}

.decoder-textarea:focus {
  border-color: var(--blue);
}

.decoder-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.decoder-score {
  text-align: center;
  margin-bottom: 16px;
  padding: 32px 16px;
}

.decoder-score-num {
  font-size: 3.4rem;
  font-weight: 800;
  margin: 0;
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.decoder-score-red { background: var(--red-bg); }
.decoder-score-red .decoder-score-num { color: var(--red); }

.decoder-score-yellow { background: var(--amber-bg); }
.decoder-score-yellow .decoder-score-num { color: var(--amber); }

.decoder-score-green { background: var(--green-bg); }
.decoder-score-green .decoder-score-num { color: var(--green); }

.decoder-score-label,
.decoder-score-band {
  margin: 4px 0;
  color: var(--g700);
  font-weight: 600;
  font-size: 0.9063rem;
}

.decoder-section {
  margin-bottom: 14px;
}

.decoder-section h3 {
  margin: 0 0 14px;
  font-size: 1.05rem;
}

.decoder-hit {
  margin-bottom: 16px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--g100);
}

.decoder-hit:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.decoder-source code {
  font-size: 0.8125rem;
  word-break: break-all;
  background: #fff;
  border-radius: 5px;
  padding: 2px 7px;
  color: var(--g700);
}

.decoder-question {
  font-size: 0.875rem;
  color: var(--g600);
}

.decoder-dict-row {
  margin-bottom: 12px;
}

.decoder-back {
  margin-top: 14px;
}

/* ==========================================================================
   Registration gate (結果表示前の登録フォーム)
   ========================================================================== */

.gate.card {
  padding: 28px 24px;
}

.gate-title {
  margin: 0 0 8px;
  font-size: 1.25rem;
}

.gate-sub {
  margin: 0 0 22px;
  color: var(--g600);
  font-size: 0.9063rem;
  word-break: keep-all;
}

.gate-form .register-submit {
  width: 100%;
}

.gate-already {
  margin: 14px 0 0;
  color: var(--g500);
  font-size: 0.8125rem;
  text-align: center;
}

/* ==========================================================================
   Visa tool
   ========================================================================== */

.visa-lane h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
}

.visa-register-cta {
  display: block;
  text-align: center;
  margin: 20px 0;
}

.visa-disclaimer-top,
.visa-disclaimer-bottom {
  margin: 14px 0;
}

/* ==========================================================================
   Data pages
   ========================================================================== */

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0 28px;
  font-size: 0.9063rem;
  font-variant-numeric: tabular-nums;
}

.data-table th,
.data-table td {
  border: none;
  border-bottom: 1px solid var(--g100);
  padding: 12px 13px;
  text-align: left;
}

.data-table th {
  border-bottom: 2px solid var(--g200);
  color: var(--g600);
  font-weight: 700;
  font-size: 0.8438rem;
}

.data-source,
.data-neutral {
  color: var(--g600);
  font-size: 0.875rem;
}

.data-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin: 24px 0;
}

.data-metrics > * {
  background: var(--g50);
  border-radius: var(--radius);
  padding: 18px;
}

.data-metric-label {
  display: block;
  color: var(--g600);
  font-size: 0.8125rem;
  font-weight: 600;
}

.data-metric-value {
  display: block;
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--g900);
  margin-top: 4px;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.data-metric-sub {
  display: block;
  color: var(--g500);
  font-size: 0.8125rem;
}

.data-industry-list {
  columns: 2;
  gap: 24px;
  padding-left: 20px;
  line-height: 2.1;
}

.data-decoder-cta {
  margin: 20px 0 8px;
}

/* ==========================================================================
   Motion preferences
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  body { font-size: 15.5px; }

  .nav-toggle { display: block; margin-left: auto; }

  .site-nav {
    display: none;
    position: absolute;
    top: 62px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    background: #fff;
    border-bottom: 1px solid var(--g100);
    box-shadow: 0 18px 40px rgba(14, 43, 82, 0.12);
    padding: 10px 14px 16px;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 12px 12px; font-size: 15.5px; border-radius: 10px; }
  .site-nav a.nav-cta { margin: 8px 0 0; text-align: center; justify-content: center; display: inline-flex; }
  .site-nav a.lang-switch { margin: 6px 0 0; text-align: center; }
  body.nav-open::after {
    content: "";
    position: fixed;
    inset: 62px 0 0;
    background: rgba(25, 31, 40, 0.28);
    z-index: 40;
  }
  .site-header { z-index: 60; }
  .site-nav { z-index: 61; }

  .hero { padding: 46px 0 34px; text-align: left; }
  .hero-eyebrow { margin-bottom: 16px; }
  .hero h1 { margin-left: 0; }
  .hero-sub { margin-left: 0; }
  .hero-actions { justify-content: flex-start; }
  .hero-actions .btn { flex: 1 1 auto; }

  .stats-strip { flex-wrap: wrap; padding: 6px 4px; }
  .stat { flex: 1 1 40%; padding: 12px 8px; border-left: 0; }

  .section { margin-top: 48px; }
  .trust-band { margin-top: 56px; padding: 40px 0 44px; }
  .cta-band { margin-top: 64px; padding: 42px 0; }

  .card { padding: 20px; }
  .related-tool { flex-direction: column; align-items: flex-start; }

  .article-body h2 { font-size: 20px; margin-top: 38px; }
  .breadcrumb > span:last-child { max-width: 180px; }
}

@media (min-width: 761px) {
  .site-nav a.nav-cta { margin-left: 10px; }
}

/* ==========================================================================
   Tool page shell（v4）
   ========================================================================== */

.tool-page { margin-top: 26px; }
.tool-header { margin-bottom: 26px; }
.tool-header .icon-tile { margin-bottom: 14px; }
.tool-header h1 { font-size: clamp(24px, 3.6vw, 31px); margin-bottom: 8px; }
.tool-desc { color: var(--g600); font-size: 15.5px; max-width: 560px; margin: 0; }
.tool-root { margin-top: 10px; }

.tool-disclaimer {
  font-size: 12.5px;
  color: var(--g500);
  background: var(--g50);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin-top: 18px;
}
.text-accent { color: var(--blue-strong); font-weight: 700; }

/* ==========================================================================
   Design v5 — Editorial（誌面）
   方向: SaaS的クリーンさを捨て、紙の質感 × セリフ書体 × 手描きスケッチの
        「経済誌の特集ページ」路線。参考画像（生成り紙・スケッチ壁紙・
        マーカー下線・点線パネル）の水準を基準にする。
   ========================================================================== */

:root {
  /* 紙とインク */
  --paper: #f5f1e6;
  --paper-deep: #efe9da;
  --card: #fcfaf3;
  --ink: #232c3d;
  --ink-2: #39435a;
  --hairline: rgba(48, 42, 24, 0.16);
  --hairline-soft: rgba(48, 42, 24, 0.09);

  /* 誌面アクセント */
  --sage: #6f8460;
  --sage-ink: #566b49;
  --marker-blue: #4d7fd6;

  --serif: "Noto Serif KR", "Nanum Myeongjo", "Apple SD Gothic Neo", serif;

  /* 既存トークンを紙寄りに再定義（tools.css部にも波及させる） */
  --g900: #232c3d;
  --g800: #333c4e;
  --g700: #49525f;
  --g600: #5f6878;
  --g500: #7d8494;
  --g400: #a8ab9f;
  --g200: #ded7c6;
  --g100: #eae4d4;
  --g50: #f1ecdf;

  --blue: #3a66c4;
  --blue-strong: #2e4f9e;
  --blue-deep: #1d2a44;
  --blue-bg: rgba(58, 102, 196, 0.10);
  --blue-bg-strong: rgba(58, 102, 196, 0.17);

  --radius-sm: 6px;
  --radius: 8px;
  --radius-lg: 10px;

  --shadow-card: none;
  --shadow-hover: 0 10px 28px rgba(48, 42, 24, 0.10);
  --shadow-btn: none;

  /* カテゴリ既定 */
  --acc: #3f66b8;
  --acc-bg: #e9eef8;
  --acc-soft: rgba(93, 133, 205, 0.18);
  --acc-hl: rgba(151, 180, 132, 0.36);
}

/* カテゴリ別アクセント（彩度を落とした誌面配色） */
.cat-basics { --acc: #3f66b8; --acc-bg: #e9eef8; --acc-soft: rgba(93,133,205,.18); --acc-hl: rgba(109,146,212,.24); }
.cat-money  { --acc: #96702c; --acc-bg: #f3ebd7; --acc-soft: rgba(178,140,64,.20); --acc-hl: rgba(199,163,88,.28); }
.cat-avoid  { --acc: #a54e3c; --acc-bg: #f5e8e1; --acc-soft: rgba(180,98,80,.18); --acc-hl: rgba(196,113,94,.22); }
.cat-data   { --acc: #53704b; --acc-bg: #e8efe0; --acc-soft: rgba(124,152,104,.20); --acc-hl: rgba(139,166,116,.30); }

/* --------------------------------------------------------------------------
   紙 + スケッチ壁紙
   -------------------------------------------------------------------------- */

body {
  color: var(--ink-2);
  background-color: var(--paper);
  background-image: url("../img/sketch-bg.svg");
  background-repeat: repeat-y;
  background-position: center -40px;
  background-size: 100% auto;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  color: var(--ink);
  font-weight: 900;
  letter-spacing: -0.015em;
}

::selection { background: rgba(151, 180, 132, 0.45); }

/* --------------------------------------------------------------------------
   Header — 紺の天ラインと生成りの帯
   -------------------------------------------------------------------------- */

.site-header {
  background: rgba(245, 241, 230, 0.9);
  -webkit-backdrop-filter: saturate(1.2) blur(10px);
  backdrop-filter: saturate(1.2) blur(10px);
  border-top: 5px solid var(--ink);
  border-bottom: 1px solid var(--hairline);
}

.header-inner { height: 64px; }

.logo {
  font-family: var(--serif);
  font-weight: 900;
  font-size: 19px;
  color: var(--ink);
}
.logo-mark {
  background: var(--ink);
  border-radius: 8px;
  box-shadow: none;
}

.site-nav a { color: var(--ink-2); border-radius: 6px; }
.site-nav a:hover { background: var(--paper-deep); color: var(--ink); }

.site-nav a.nav-cta {
  background: var(--marker-blue);
  color: #fff;
  box-shadow: 0 2px 0 rgba(35, 44, 61, 0.35);
}
.site-nav a.nav-cta:hover { background: #3d6dc2; color: #fff; }

.site-nav a.lang-switch { border-color: var(--hairline); background: transparent; }

/* --------------------------------------------------------------------------
   Hero — 特集扉ページ（左テキスト・右スケッチ）
   -------------------------------------------------------------------------- */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  column-gap: 44px;
  align-items: center;
  text-align: left;
  padding: 58px 0 40px;
}
.hero::before { display: none; }

.hero-eyebrow {
  grid-column: 1;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  align-self: end;
  justify-self: start;
  font-family: var(--serif);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--sage-ink);
  background: none;
  border: 0;
  box-shadow: none;
  border-radius: 0;
  padding: 0;
  margin: 0 0 16px;
}
.hero-eyebrow::before {
  width: 34px;
  height: 1.5px;
  border-radius: 0;
  background: var(--sage-ink);
  box-shadow: none;
}

.hero h1 {
  grid-column: 1;
  font-size: clamp(32px, 5.2vw, 52px);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 0 0 6px;
  max-width: none;
  padding-bottom: 18px;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='110' height='10' viewBox='0 0 110 10'%3E%3Cpath d='M2 6 C 11 2, 20 9, 30 5 C 40 1, 48 9, 58 5 C 68 1, 76 9, 86 5 C 96 2, 102 7, 108 5' fill='none' stroke='%236f8a5e' stroke-width='3' stroke-linecap='round' opacity='.9'/%3E%3C/svg%3E")
    left bottom / 240px 10px no-repeat;
}

.hero-sub {
  grid-column: 1;
  color: var(--g600);
  margin: 8px 0 26px;
  max-width: 480px;
  font-size: clamp(15.5px, 2vw, 17px);
}

.hero-actions { grid-column: 1; justify-content: flex-start; }

.hero-art {
  grid-column: 2;
  grid-row: 1 / 5;
  justify-self: center;
  align-self: center;
  width: min(100%, 400px);
}
.hero-art svg { width: 100%; height: auto; }

/* 実績 — 罫線のデータ行（カードをやめる） */
.stats-strip {
  grid-column: 1 / -1;
  max-width: none;
  margin: 40px 0 0;
  padding: 18px 4px;
  background: transparent;
  border: 0;
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--hairline);
  border-radius: 0;
  box-shadow: none;
  text-align: left;
}
.stat { text-align: left; padding: 2px 26px; border-left: 1px solid var(--hairline); }
.stat b {
  font-family: var(--serif);
  font-weight: 900;
  color: var(--ink);
  font-size: clamp(21px, 3vw, 28px);
}
.stat span { color: var(--g500); letter-spacing: 0.04em; }

/* --------------------------------------------------------------------------
   Sections — 小見出しは罫線つきの雑誌ラベル
   -------------------------------------------------------------------------- */

.section { margin: 72px 0 0; }

.section-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--serif);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--sage-ink);
  margin: 0 0 10px;
}
.section-eyebrow::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--hairline);
}

.section > h2, .section-title {
  font-size: clamp(23px, 3.2vw, 30px);
  line-height: 1.35;
}

.section-lead { color: var(--g600); }

/* --------------------------------------------------------------------------
   Cards — 影で浮かすのをやめ、罫線のパネルに
   -------------------------------------------------------------------------- */

.card-grid { gap: 16px; }

.card {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  box-shadow: 0 1px 0 rgba(48, 42, 24, 0.05);
  padding: 26px 24px 22px;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease), transform .18s var(--ease);
}
.card:hover {
  transform: translateY(-2px);
  border-color: rgba(48, 42, 24, 0.34);
  box-shadow: var(--shadow-hover);
}

.card h3 { font-size: 18.5px; }
.card h3 a, .card h2 a { color: var(--ink); }
.card h2 { font-size: 17.5px; line-height: 1.5; }
.card p { color: var(--g600); }

.icon-tile {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: transparent;
  border: 1.5px solid var(--hairline);
  color: var(--sage-ink);
}

.card-arrow-link { color: var(--blue-strong); font-size: 13.5px; }

/* 記事カードのカテゴリ表記 — ピルをやめて活字ラベルに */
.card .article-cat-label {
  align-items: center;
  gap: 7px;
  background: none;
  border-radius: 0;
  padding: 0 0 8px;
  margin: 0 0 12px;
  font-family: var(--serif);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  border-bottom: 1px solid var(--hairline-soft);
  align-self: stretch;
}
.card .article-cat-label svg { width: 13px; height: 13px; }
.card .article-cat-label.c-basics { color: #3f66b8; background: none; }
.card .article-cat-label.c-money  { color: #96702c; background: none; }
.card .article-cat-label.c-avoid  { color: #a54e3c; background: none; }
.card .article-cat-label.c-data   { color: #53704b; background: none; }
.card time, .card .card-meta { color: var(--g500); letter-spacing: 0.03em; }

/* --------------------------------------------------------------------------
   Buttons — インク色のフラット
   -------------------------------------------------------------------------- */

.btn { border-radius: 8px; }

.btn-primary {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 2px 0 rgba(35, 44, 61, 0.4);
}
.btn-primary:hover { filter: none; background: #31405e; }

.btn-ghost {
  background: transparent;
  border: 1.5px solid var(--hairline);
  color: var(--ink);
  box-shadow: none;
}
.btn-ghost:hover { background: var(--paper-deep); }

/* --------------------------------------------------------------------------
   Trust / FAQ — 帯の塗りをやめて罫線で区切る
   -------------------------------------------------------------------------- */

.trust-band {
  background: transparent;
  border-top: 1px solid var(--hairline);
  margin-top: 72px;
  padding: 56px 0 64px;
}
.trust-item .icon-tile { border-color: var(--hairline); color: var(--sage-ink); }
.trust-item h3 { font-size: 17px; }
.trust-item p { color: var(--g600); }

.faq { border-top-color: var(--hairline); }
.faq details { border-bottom-color: var(--hairline-soft); }
.faq summary { font-family: var(--serif); font-weight: 700; color: var(--ink); }
.faq details[open] summary::after { color: var(--sage-ink); }

/* --------------------------------------------------------------------------
   CTA band — 紺の見返しページ
   -------------------------------------------------------------------------- */

.cta-band {
  background: var(--ink);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.cta-band p { font-family: var(--serif); font-weight: 900; }
.cta-band .btn-primary { background: var(--paper); color: var(--ink); }
.cta-band .btn-primary:hover { background: #fff; }

/* --------------------------------------------------------------------------
   Footer — 奥付
   -------------------------------------------------------------------------- */

.site-footer {
  background: var(--paper-deep);
  border-top: 1px solid var(--hairline);
}
.site-footer .logo { color: var(--ink); }
.footer-col h3 {
  font-family: var(--serif);
  letter-spacing: 0.14em;
  color: var(--g500);
}
.footer-col a { color: var(--g600); }
.footer-col a:hover { color: var(--ink); }
.footer-bottom { border-top: 1px solid var(--hairline-soft); }

/* --------------------------------------------------------------------------
   記事ページ — 生成りの誌面
   -------------------------------------------------------------------------- */

body.article-page { background-attachment: scroll; }
body.article-page main.container { padding-top: 0; }

.paper {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  box-shadow: 0 1px 0 rgba(48, 42, 24, 0.06), 0 22px 54px rgba(48, 42, 24, 0.10);
  padding: 46px 58px 54px;
  margin: 26px auto 0;
  max-width: 800px;
}
.paper > .breadcrumb { margin-top: 0; }

.article-cat-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 12.5px;
  letter-spacing: 0.18em;
  color: var(--acc);
  background: none;
  border: 1px solid var(--acc-soft);
  border-radius: 999px;
  padding: 5px 14px;
}
.article-cat-chip svg { width: 14px; height: 14px; }

/* 見出し — 青マーカー + 緑の波線（参考画像の手描き表現） */
.article h1 {
  font-size: clamp(27px, 4vw, 36px);
  line-height: 1.42;
}
.article h1 .mark {
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='16' viewBox='0 0 220 16' preserveAspectRatio='none'%3E%3Cpath d='M4 9 C 60 5, 150 12, 216 7' fill='none' stroke='%234d7fd6' stroke-width='11' stroke-linecap='round' opacity='.28'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: 100% 0.5em;
  background-position: left 88%;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

.article-meta { color: var(--g500); letter-spacing: 0.03em; }

.article-supervisor {
  background: none;
  border: 1px dashed var(--hairline);
  color: var(--g600);
  border-radius: 8px;
}
.article-supervisor::before { background: var(--sage); }

/* 핵심요약 — 点線の青パネル */
.article-summary {
  background: linear-gradient(180deg, rgba(93, 133, 205, 0.07), rgba(93, 133, 205, 0.03)), var(--card);
  border: 1.6px dashed rgba(77, 127, 214, 0.5);
  border-radius: 10px;
  padding: 22px 26px 18px;
}
.article-summary .summary-label {
  font-family: var(--serif);
  letter-spacing: 0.1em;
  color: var(--marker-blue);
}
.article-summary .summary-label::before { background: var(--marker-blue); }
.article-summary ul { list-style: none; padding-left: 2px; margin: 0; }
.article-summary li { position: relative; padding-left: 27px; margin: 9px 0; color: var(--ink-2); }
.article-summary li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.42em;
  width: 15px;
  height: 15px;
  background: var(--marker-blue);
  -webkit-mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="3.4" stroke-linecap="round" stroke-linejoin="round"><path d="M20 6 9 17l-5-5"/></svg>') center/contain no-repeat;
  mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="3.4" stroke-linecap="round" stroke-linejoin="round"><path d="M20 6 9 17l-5-5"/></svg>') center/contain no-repeat;
}

/* 목차 — 罫線と明朝数字 */
.article-toc {
  background: transparent;
  border: 1px solid var(--hairline);
  border-radius: 10px;
}
.article-toc summary { font-family: var(--serif); font-weight: 700; color: var(--ink); }
.article-toc ol { list-style: none; padding: 2px 22px 16px; counter-reset: toc; }
.article-toc li {
  counter-increment: toc;
  position: relative;
  padding: 8px 0 8px 34px;
  border-bottom: 1px solid var(--hairline-soft);
  margin: 0;
}
.article-toc li:last-child { border-bottom: 0; }
.article-toc li::before {
  content: counter(toc, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: auto;
  height: auto;
  border-radius: 0;
  background: none;
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 700;
  color: var(--acc);
  display: block;
}
.article-toc a { color: var(--ink-2); font-weight: 600; }
.article-toc a:hover { color: var(--acc); }

/* 本文 */
.article-body { font-size: 16.5px; color: var(--ink-2); }
.article-body h2 {
  font-size: 21px;
  border-left: 0;
  padding-left: 0;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hairline);
  position: relative;
  line-height: 1.45;
}
.article-body h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1.5px;
  width: 46px;
  height: 3px;
  background: var(--acc);
}
.article-body h3 { color: var(--ink); font-size: 17.5px; }
.article-body strong {
  color: var(--ink);
  background-image: linear-gradient(transparent 42%, var(--acc-hl) 42%, var(--acc-hl) 96%, transparent 96%);
  background-repeat: no-repeat;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}
.article-body li::marker { color: var(--acc); }
.article-body blockquote { border-left: 3px solid var(--acc); background: none; color: var(--g600); }
.article-body table { border: 1px solid var(--hairline); border-radius: 8px; }
.article-body th {
  background: var(--acc-bg);
  color: var(--acc);
  font-family: var(--serif);
  letter-spacing: 0.04em;
}
.article-body td { border-bottom: 1px solid var(--hairline-soft); }
.article-body hr { border-top: 1px solid var(--hairline); }

.article-sources-note { color: var(--g500); border-top: 1px dashed var(--hairline); }

.related-tool {
  background: var(--card);
  border: 1px solid var(--hairline);
}
.related-tool .icon-tile { background: transparent; border: 1.5px solid var(--acc-soft); color: var(--acc); }
.related-articles li { border-bottom-color: var(--hairline-soft); }
.related-articles a:hover { color: var(--acc); }
.related-articles a::before { border-color: var(--acc); }

/* ガイド一覧タブ */
.category-tabs .tab {
  background: transparent;
  border: 1px solid var(--hairline);
  color: var(--g600);
}
.category-tabs .tab:hover { background: var(--paper-deep); color: var(--ink); }
.category-tabs .tab.active { background: var(--ink); border-color: var(--ink); color: #fff; }

/* ツール・フォーム面の白カードを紙に */
.tool-disclaimer { background: var(--paper-deep); color: var(--g600); }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1100px) {
  body { background-image: none; }
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; text-align: left; }
  .hero-art { display: none; }
  .hero h1 { background-size: 180px 9px; padding-bottom: 14px; }
}

@media (max-width: 760px) {
  .paper { padding: 28px 20px 36px; border-radius: 10px; margin-top: 14px; }
  .stats-strip { flex-wrap: wrap; }
  .stat { flex: 1 1 40%; padding: 8px 14px; border-left: 0; }
  .site-header { border-top-width: 4px; }
}