/*
Theme Name: 招き猫研究所
Theme URI: https://good-luck-cat.com
Description: 8080 デザイン統一 — 日本初の招き猫専門メディア。江戸・浮世絵の高級感。
Version: 1.0.0
Author: 招き猫研究所
License: MIT
*/

/* ─── Design Tokens ─── */
:root {
  --black:      #0a0a0a;
  --black-soft: #1a1612;
  --cream:      #f5f3ee;
  --cream-warm: #f0ede6;
  --white:      #faf9f6;
  --white-pure: #ffffff;
  --gold:       #8b7355;
  --gold-dim:   rgba(139,115,85,0.08);
  --gold-line:  rgba(139,115,85,0.25);
  --gray:       #6b6560;
  --gray-light: #d4d0c8;
  /* 浮世絵・猫デザイン（首輪の赤・白水玉・背景の灰緑） */
  --cat-collar:    #b85c3a;
  --cat-collar-dim: rgba(184,92,58,0.15);
  --cat-dots:      #ffffff;
  --cat-bg:        #5a6b5a;
  --cat-bg-soft:   rgba(90,107,90,0.08);
  --cat-eye:       #c9a227;
  --serif-en:   'Cormorant Garamond', Georgia, serif;
  --serif-jp:   'Noto Serif JP', 'Yu Mincho', serif;
  --sans-jp:    'Noto Sans JP', 'Hiragino Sans', sans-serif;
  --sumi-jp:    'Shippori Mincho', 'Noto Serif JP', serif;
  --ease-out:   cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--cream);
  color: var(--black);
  font-family: var(--serif-jp);
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; cursor: pointer; }
img { display: block; max-width: 100%; }

/* ─── Navigation ─── */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--white-pure);
  border-bottom: 1px solid var(--gray-light);
}
.nav-brand { display: flex; flex-direction: column; align-items: flex-start; }
.nav-brand-title {
  font-family: var(--sumi-jp);
  font-weight: 600;
  font-size: 22px;
  color: var(--black);
  letter-spacing: 0.12em;
  text-shadow: 0 1px 2px rgba(0,0,0,0.06);
  line-height: 1.3;
}
.nav-brand-tagline {
  font-family: var(--serif-jp);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin-top: 6px;
  padding-left: 12px;
  border-left: 2px solid var(--gold-line);
}
.nav-links { display: flex; align-items: center; gap: 20px; list-style: none; }
.nav-link { text-align: center; }
.nav-link span:first-child {
  display: block;
  font-family: var(--sans-jp);
  font-weight: 700;
  font-size: 12px;
  color: var(--black);
}
.nav-link span:last-child {
  display: block;
  font-size: 10px;
  color: var(--gray);
  margin-top: 2px;
}
.nav-link:hover span:first-child { color: var(--gold); }

/* ─── Hamburger（モバイル用）─── */
.hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger-line {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--black);
  transition: transform 0.3s var(--ease-out), opacity 0.3s;
  transform-origin: center;
}
.hamburger-line.open:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger-line.open:nth-child(2) { opacity: 0; }
.hamburger-line.open:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ─── Mobile Menu ─── */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 250;
  background: var(--black);
  display: flex;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-out);
}
.mobile-menu.mobile-menu-open {
  opacity: 1;
  pointer-events: all;
}
.mobile-menu-header {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  padding-top: max(20px, calc(12px + env(safe-area-inset-top, 0px)));
  min-height: 72px;
}
.mobile-menu-header-logo {
  font-family: var(--sumi-jp);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 0.12em;
  color: var(--white);
}
.mobile-menu-close {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.mobile-menu-close .hamburger-line { background: var(--white); }
.mobile-menu-close .hamburger-line.open:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.mobile-menu-close .hamburger-line.open:nth-child(2) { opacity: 0; }
.mobile-menu-close .hamburger-line.open:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.mobile-menu-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 24px;
  padding: 32px 24px 48px;
  overflow-y: auto;
}
.mobile-menu-link {
  font-family: var(--sans-jp);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: rgba(248, 246, 241, 0.85);
  transition: color 0.3s;
}
.mobile-menu-link:hover { color: var(--gold); }

/* ─── Hero ─── */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 96px;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; }
.hero-bg img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 38%;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.72) 50%, rgba(0,0,0,0.78) 100%);
}
.hero-content { position: relative; z-index: 10; max-width: 640px; }
.hero h1 {
  font-family: var(--serif-jp);
  font-size: clamp(1.5rem, 4vw, 2.75rem);
  font-weight: 200;
  letter-spacing: 0.2em;
  line-height: 1.9;
  color: #fcfaf6;
  text-shadow: 0 2px 12px rgba(0,0,0,0.4);
  margin-bottom: 24px;
}
.hero-lead { font-size: 14px; line-height: 2; color: rgba(255, 252, 248, 0.92); }

/* ─── Section ─── */
.section { padding: 64px 24px; text-align: center; }
.section-inner { max-width: 1100px; margin: 0 auto; }
.section-label {
  font-family: var(--serif-en);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}
.section-title {
  font-family: var(--serif-jp);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--black);
  margin-bottom: 40px;
}

/* ─── Keywords ─── */
.keywords { background: var(--cream-warm); }
.keyword-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.keyword-tag {
  padding: 10px 20px;
  background: var(--white-pure);
  border: 1px solid var(--gray-light);
  border-radius: 4px;
  font-size: 14px;
  color: var(--black);
  transition: border-color 0.3s, color 0.3s;
}
.keyword-tag:hover { border-color: var(--gold); color: var(--gold); }

/* ─── Article Card ─── */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  justify-items: center;
  max-width: 1100px;
  margin: 0 auto;
}
.article-card {
  display: block;
  width: 100%;
  max-width: 340px;
  background: var(--white-pure);
  border: 1px solid var(--gray-light);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.article-card:hover {
  border-color: var(--gold);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
.article-card-img {
  aspect-ratio: 16/10;
  background: var(--cream-warm);
  width: 100%;
  overflow: hidden;
}
.article-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.article-card-body { padding: 24px 28px 28px; }
.article-card-cat {
  font-family: var(--serif-en);
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.article-card-title {
  font-family: var(--serif-jp);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--black);
  line-height: 1.6;
  margin-bottom: 8px;
}
.article-card:hover .article-card-title { color: var(--gold); }
.article-card-date { font-size: 13px; letter-spacing: 0.05em; color: var(--gray); }

/* 記事リンクブロック（横幅Max・縦幅狭め・画像全体表示） */
.single-body .article-link-card-h {
  display: block;
  width: 100%;
  max-width: 100%;
  margin: 1.5em 0;
  padding: 0;
  background: var(--white-pure);
  border: 1px solid var(--gray-light);
  border-radius: 6px;
  text-decoration: none;
  overflow: hidden;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.single-body .article-link-card-h:hover {
  border-color: var(--gold);
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}
.single-body .article-link-card-h-label {
  display: block;
  padding: 8px 16px 6px;
  font-family: var(--serif-jp);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--gold);
  border-bottom: 1px solid var(--gray-light);
}
.single-body .article-link-card-h-inner {
  display: flex;
  align-items: flex-start;
  min-height: 72px;
}
.single-body .article-link-card-h-img {
  flex: 0 0 100px;
  min-width: 100px;
  width: 100px;
  height: 72px;
  background: var(--cream-warm);
  overflow: hidden;
  border-right: 1px solid var(--gray-light);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.single-body .article-link-card-h-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  margin: 0;
  padding: 0;
}
.single-body .article-link-card-h-body {
  flex: 1;
  padding: 12px 18px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  min-width: 0;
}
.single-body .article-link-card-h-title {
  font-family: var(--serif-jp);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--black);
  line-height: 1.4;
  margin-bottom: 4px;
}
.single-body .article-link-card-h:hover .article-link-card-h-title {
  color: var(--gold);
}
.single-body .article-link-card-h-desc {
  font-size: 12px;
  line-height: 1.45;
  letter-spacing: 0.02em;
  color: var(--gray);
  margin: 0;
}
/* 画像なしの場合 */
.single-body .article-link-card-h-inner--no-img .article-link-card-h-body {
  padding-left: 18px;
}
.section-link {
  display: inline-block;
  font-family: var(--serif-en);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-top: 8px;
  margin-bottom: 40px;
}
.section-link:hover { text-decoration: underline; }

/* ─── Expert Section ─── */
.expert-section { background: var(--white-pure); }
.expert-section .section-desc {
  font-size: 15px;
  line-height: 1.9;
  letter-spacing: 0.06em;
  color: var(--gray);
  max-width: 560px;
  margin: 0 auto 40px;
}
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
  justify-items: center;
  max-width: 1100px;
  margin: 0 auto 24px;
}

/* ─── Supervisors ─── */
.supervisors-section { background: var(--cream); }
.supervisors-section .section-title { margin-bottom: 48px; }
.supervisors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  justify-items: center;
  max-width: 1100px;
  margin: 0 auto 48px;
}
.supervisor-card {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  width: 100%;
  max-width: 320px;
  padding: 24px 28px;
  background: var(--white-pure);
  border: 1px solid var(--gray-light);
  border-radius: 8px;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.supervisor-card:hover {
  border-color: var(--gold);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
.supervisor-icon,
.supervisor-card-thumb {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
}
.supervisor-icon {
  background: var(--cream-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif-jp);
  font-size: 24px;
  color: var(--gray);
}
.supervisor-name { font-family: var(--sans-jp); font-weight: 700; font-size: 1rem; color: var(--black); margin-bottom: 4px; }
.supervisor-role { font-size: 13px; color: var(--black); letter-spacing: 0.05em; margin-bottom: 4px; }
.supervisor-affiliation { font-size: 12px; color: var(--gray); letter-spacing: 0.04em; }
.supervisors-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border: 1px solid var(--black);
  border-radius: 6px;
  font-family: var(--sans-jp);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--black);
  transition: background 0.3s, color 0.3s;
}
.supervisors-btn:hover { background: var(--black); color: var(--white); }

/* ─── Profile Page ─── */
.profile-page .section-inner { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.profile-article { margin-bottom: 64px; }
.profile-header {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  margin-bottom: 32px;
}
.profile-icon-wrap { flex-shrink: 0; }
.supervisor-icon-lg {
  width: 96px;
  height: 96px;
  font-size: 36px;
}
.profile-header-text { flex: 1; min-width: 0; }
.profile-role { font-size: 14px; color: var(--gray); letter-spacing: 0.08em; margin-bottom: 8px; }
.profile-title { font-family: var(--serif-jp); font-size: 1.75rem; font-weight: 500; letter-spacing: 0.08em; margin-bottom: 8px; }
.profile-qualification { font-size: 14px; color: var(--gray); letter-spacing: 0.04em; margin-bottom: 4px; }
.profile-affiliation { font-size: 13px; color: var(--gray); letter-spacing: 0.04em; }
.profile-catch { margin-top: 16px; font-size: 15px; line-height: 1.7; color: var(--black); }
.profile-bio {
  padding: 24px 0;
  border-top: 1px solid var(--gray-light);
  font-size: 15px;
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: var(--black);
}
.profile-bio.entry-content p { margin-bottom: 1em; }
.profile-posts { margin-top: 48px; }
.profile-posts-title { font-family: var(--serif-jp); font-size: 1.25rem; font-weight: 500; margin-bottom: 24px; letter-spacing: 0.08em; }

/* ─── Brand Section ─── */
.brand-section { background: var(--white-pure); }
.brand-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  max-width: 1100px;
  margin: 0 auto;
  align-items: center;
  text-align: left;
}
@media (min-width: 1024px) {
  .brand-grid { grid-template-columns: 1fr 1fr; gap: 64px; }
}
.brand-image {
  aspect-ratio: 4/3;
  border-radius: 8px;
  border: 1px solid var(--gray-light);
  background: var(--cream-warm);
  display: flex;
  align-items: center;
  justify-content: center;
}
.brand-image span {
  font-family: var(--serif-jp);
  font-size: 2rem;
  font-weight: 200;
  letter-spacing: 0.2em;
  color: var(--gray);
  opacity: 0.4;
}
.brand-label { font-family: var(--serif-en); font-size: 11px; letter-spacing: 0.35em; text-transform: uppercase; color: var(--gray); margin-bottom: 16px; }
.brand-title { font-family: var(--serif-jp); font-size: 1.75rem; font-weight: 400; letter-spacing: 0.12em; color: var(--black); margin-bottom: 24px; }
.brand-desc { font-size: 15px; line-height: 1.9; letter-spacing: 0.06em; color: var(--black); margin-bottom: 8px; }
.brand-tagline { font-size: 15px; line-height: 1.9; letter-spacing: 0.06em; color: var(--gray); margin-bottom: 32px; }
.brand-coming-soon {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  border: 1px solid var(--gray-light);
  border-radius: 6px;
  background: var(--cream);
}
.brand-coming-soon span { font-family: var(--serif-en); font-size: 13px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gray); }

/* ─── About ─── */
.about { background: var(--cream-warm); }
.about-text {
  max-width: 560px;
  margin: 0 auto;
  font-size: 15px;
  line-height: 2;
  letter-spacing: 0.08em;
  color: var(--gray);
}

/* ─── Footer ─── */
.site-footer {
  background: var(--black);
  color: rgba(248, 246, 241, 0.5);
  padding: 48px 24px 32px;
  text-align: center;
}
.footer-brand { font-family: var(--serif-en); font-size: 14px; letter-spacing: 0.15em; color: var(--white); margin-bottom: 8px; }
.footer-tagline { font-family: var(--serif-en); font-size: 10px; letter-spacing: 0.2em; color: var(--gold); text-transform: uppercase; }
.footer-copy { margin-top: 32px; font-size: 11px; letter-spacing: 0.1em; color: rgba(248, 246, 241, 0.25); }

/* ─── Single Post（記事詳細・8080 デザイン統一）─── */
.single-content {
  max-width: 720px;
  margin: 0 auto;
  padding: 120px 24px 96px;
  background: var(--cream);
}
.single-back {
  display: inline-block;
  font-family: var(--sans-jp);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--gold);
  margin-bottom: 48px;
  transition: color 0.3s;
}
.single-back:hover { color: var(--black); }
.single-header { text-align: center; margin-bottom: 48px; }
.single-cat {
  font-family: var(--serif-en);
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
.single-title {
  font-family: var(--serif-jp);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 400;
  letter-spacing: 0.12em;
  line-height: 1.8;
  color: var(--black);
  margin-bottom: 16px;
}
.single-date {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gray);
}
.single-featured {
  margin-bottom: 48px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--gold-line);
}
.single-featured img { width: 100%; height: auto; display: block; }
.single-body,
.single-body.entry-content {
  font-family: var(--serif-jp);
  font-size: 16px;
  font-weight: 300;
  line-height: 2;
  letter-spacing: 0.08em;
  color: var(--black-soft);
}
.single-body p {
  margin-bottom: 1.8em;
  text-align: justify;
  text-justify: inter-ideograph;
}
/* H2: 猫デザイン — 首輪の赤・白水玉・灰緑背景 */
.single-body h2 {
  position: relative;
  font-family: var(--serif-jp);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--black);
  margin: 2.5em 0 1em;
  padding: 20px 24px 20px 28px;
  border-left: 4px solid var(--cat-collar);
  background:
    /* 白水玉（首輪のドット模様） */
    radial-gradient(circle 3px at 6px 6px, var(--cat-dots) 0%, transparent 100%),
    radial-gradient(circle 3px at 18px 6px, var(--cat-dots) 0%, transparent 100%),
    radial-gradient(circle 3px at 6px 18px, var(--cat-dots) 0%, transparent 100%),
    radial-gradient(circle 3px at 18px 18px, var(--cat-dots) 0%, transparent 100%),
    /* 首輪の赤み＋灰緑の淡い背景 */
    linear-gradient(90deg, var(--cat-collar-dim) 0%, var(--cat-bg-soft) 20%, rgba(90,107,90,0.03) 60%, transparent 100%);
  background-repeat: repeat, repeat, repeat, repeat, no-repeat;
  background-size: 24px 24px, 24px 24px, 24px 24px, 24px 24px, 100% 100%;
  border-radius: 0 6px 6px 0;
  box-shadow: inset 0 0 0 1px rgba(184,92,58,0.12);
}
/* H3: 浮世絵風 — 細い首輪ライン・淡い背景 */
.single-body h3 {
  position: relative;
  font-family: var(--serif-jp);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--black);
  margin: 2em 0 0.75em;
  padding-left: 24px;
  border-left: 3px solid var(--cat-collar);
  background: linear-gradient(
    90deg,
    var(--cat-collar-dim) 0%,
    transparent 100%
  );
  border-radius: 0 4px 4px 0;
}
.single-body img {
  max-width: 100%;
  height: auto;
  margin: 2em 0;
  border-radius: 6px;
  border: 1px solid var(--gray-light);
}
/* WordPress ブロック（リスト） */
.single-body ul,
.single-body ol,
.single-body .wp-block-list {
  margin: 1.5em 0;
  padding-left: 1.5em;
}
.single-body li {
  margin-bottom: 0.6em;
  letter-spacing: 0.05em;
}
.single-body ul li { list-style: disc; }
.single-body ol li { list-style: decimal; }
/* 引用・その他 */
.single-body blockquote {
  margin: 2em 0;
  padding: 24px 28px;
  background: var(--cream-warm);
  border-left: 3px solid var(--gold);
  font-style: italic;
  color: var(--gray);
}
.single-body a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.single-body a:hover { color: var(--black); }

/* ─── Pagination ─── */
.pagination { margin-top: 48px; text-align: center; }
.pagination .nav-links { display: flex; justify-content: center; gap: 12px; list-style: none; }
.pagination a, .pagination span {
  padding: 8px 16px;
  border: 1px solid var(--gray-light);
  border-radius: 4px;
  font-size: 14px;
  color: var(--black);
}
.pagination a:hover { border-color: var(--gold); color: var(--gold); }
.pagination .current { border-color: var(--gold); color: var(--gold); }

/* ─── LINE友だち追加ブロック（CVブロック直下）─── */
.line-cta-block {
  margin: 32px 0 40px;
  padding: 28px 24px;
  background: #FAF8F5;
  border: 1px solid var(--gray-light);
  border-radius: 4px;
}
.line-cta-title {
  font-family: var(--sumi-jp);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--black);
  margin-bottom: 12px;
}
.line-cta-desc {
  font-size: 14px;
  line-height: 1.8;
  color: #4A4A4A;
  margin-bottom: 20px;
}
.line-cta-btn-wrap { margin-bottom: 20px; }
.line-cta-btn {
  display: inline-block;
  padding: 12px 24px;
  background: #2C2C2C;
  color: #fff !important;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
  border-radius: 4px;
  transition: opacity 0.2s;
}
.line-cta-btn:hover { opacity: 0.85; }
.line-cta-qr-wrap {
  text-align: center;
  padding-top: 16px;
  border-top: 1px solid var(--gray-light);
}
.line-cta-qr { display: inline-block; margin-bottom: 8px; }
.line-cta-qr-caption {
  font-size: 12px;
  color: var(--gray);
  letter-spacing: 0.04em;
}

/* LINE QR画像（H2「日本初の招き猫専門メディア」直下） */
.single-body .line-qr-image {
  margin: 20px 0 24px;
  text-align: center;
}
.single-body .line-qr-image img {
  max-width: 140px;
  height: auto;
  display: inline-block;
  border-radius: 4px;
}
.single-body .line-qr-image a:hover img {
  opacity: 0.9;
}

/* ─── Responsive（スマホ・タブレット）─── */
@media (max-width: 900px) {
  .site-nav { padding: 16px 20px; }
  .section { padding: 48px 20px; }
  .section-inner { padding: 0 20px; }
  .single-content { padding: 100px 20px 80px; }
  .article-grid { grid-template-columns: 1fr; gap: 24px; }
  .expert-grid, .supervisors-grid { grid-template-columns: 1fr; gap: 24px; }
  .line-cta-block { margin: 24px 0 32px; padding: 24px 20px; }
  .line-cta-qr-wrap { display: none; } /* スマホではQR不要（ボタンで開く） */
  .single-body .article-link-card-h-inner { flex-direction: column; }
  .single-body .article-link-card-h-img {
    flex: none;
    width: 100%;
    min-width: 100%;
    height: 120px;
    aspect-ratio: 16/9;
    border-right: none;
    border-bottom: 1px solid var(--gray-light);
  }
  .single-body p,
  .single-body h2, .single-body h3,
  .section-desc, .about-text, .brand-desc, .brand-tagline,
  .article-card-title, .supervisor-name, .supervisor-role, .supervisor-affiliation,
  .profile-bio, .profile-catch, .hero-lead {
    word-break: normal;
    overflow-wrap: break-word;
  }
}
@media (max-width: 768px) {
  .hero { padding: 100px 20px 80px; min-height: 70vh; }
  .hero h1 { font-size: clamp(1.25rem, 5vw, 1.75rem); }
  .keyword-tags { gap: 10px; }
  .keyword-tag { padding: 8px 16px; font-size: 13px; }
  .article-card-body { padding: 20px 20px 24px; }
  .supervisor-card { flex-direction: column; align-items: center; text-align: center; max-width: 100%; }
  .brand-desc, .brand-tagline { font-size: 14px; }
  .single-body h2 { padding: 16px 20px 16px 24px; font-size: 1.2rem; }
  .single-body h3 { padding-left: 20px; font-size: 1.05rem; }
  .single-body blockquote { padding: 20px 24px; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .hamburger-btn { display: flex; }
  .nav-brand-title { font-size: 18px; }
  .nav-brand-tagline { font-size: 11px; letter-spacing: 0.14em; }
  .site-nav { padding: 14px 16px; }
  .section { padding: 40px 16px; }
  .section-inner { padding: 0 16px; }
  .section-title { font-size: 1.25rem; margin-bottom: 32px; }
  .hero { padding: 80px 16px 64px; min-height: 60vh; }
  .hero-content { max-width: 100%; }
  .article-grid { gap: 20px; }
  .article-card { max-width: 100%; }
  .article-card-body { padding: 18px 18px 22px; }
  .article-card-title { font-size: 0.95rem; }
  .expert-section .section-desc { font-size: 14px; max-width: 100%; }
  .supervisors-grid { gap: 20px; }
  .supervisor-card { padding: 20px 20px; }
  .brand-grid { gap: 32px; }
  .brand-title { font-size: 1.5rem; }
  .brand-desc, .brand-tagline { font-size: 14px; }
  .about-text { font-size: 14px; }
  .single-content { padding: 80px 16px 64px; max-width: 100%; }
  .single-title { font-size: clamp(1.2rem, 5vw, 1.5rem); }
  .single-body, .single-body.entry-content { font-size: 15px; }
  .single-body h2 { padding: 14px 16px 14px 20px; font-size: 1.1rem; }
  .single-body h3 { padding-left: 16px; font-size: 1rem; }
  .single-body blockquote { padding: 16px 20px; }
  .single-body .article-link-card-h-img { height: 100px; }
  .profile-header { flex-direction: column; align-items: center; text-align: center; }
  .profile-page .section-inner { padding: 0 16px; }
  .site-footer { padding: 40px 16px 28px; }
  .mobile-menu-nav { gap: 20px; padding: 28px 16px 40px; }
  .mobile-menu-link { font-size: 13px; }
  .pagination .nav-links { flex-wrap: wrap; justify-content: center; gap: 8px; }
  .pagination a, .pagination span { padding: 6px 12px; font-size: 13px; }
  .archive .section.popular-articles { padding-top: 100px; }
  .single-body p, .single-body li, .single-body blockquote,
  .single-body .article-link-card-h-title, .single-body .article-link-card-h-desc {
    word-break: normal;
    overflow-wrap: break-word;
  }
}