/* ══════════════════════════════════════════════════════════════════════════
   Aistea — Main Stylesheet
   ══════════════════════════════════════════════════════════════════════════ */

/* ── Custom Properties ──────────────────────────────────────────────────── */
:root {
  --color-bg:        #FAFAFA;
  --color-bg-alt:    #F4F4F4;
  --color-surface:   #FFFFFF;
  --color-text:      #1A1A1A;
  --color-text-muted:#888888;
  --color-text-sub:  #AAAAAA;
  --color-border:    #E8E8E8;
  --color-accent:    #6BBF85;
  --color-accent-h:  #55A872;
  --color-teal:      #6DC997;
  --color-teal-h:    #52B580;
  --color-ai:        #3E9E72;
  --color-pdf:       #F39C12;

  --font-sans:   "Inter", "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif:  "Noto Serif JP", Georgia, serif;

  --rail-w:    44px;
  --header-h:  60px;
  --catstrip-h:40px;
  --sidebar-w: 280px;
  --container: 1240px;
  --gap:       24px;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 4px rgba(0,0,0,.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.12);

  --transition: 200ms ease;
}

/* ── Reset ──────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
  padding-left: var(--rail-w);
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ── Layout Helpers ─────────────────────────────────────────────────────── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}
.section { padding: 64px 0; }
.site-wrap { min-height: 100vh; }

/* ── LEFT RAIL ──────────────────────────────────────────────────────────── */
.site-rail {
  position: fixed !important;
  left: 0 !important;
  top: 0 !important;
  bottom: 0 !important;
  width: var(--rail-w) !important;
  background: #6BBF85 !important;
  z-index: 9999 !important;
  display: flex !important;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0 32px;
  visibility: visible !important;
  opacity: 1 !important;
}

/* WordPress admin bar offset */
.admin-bar .site-rail { top: 32px; }
@media screen and (max-width: 782px) {
  .admin-bar .site-rail { top: 46px; }
}

.site-rail__tagline {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.site-rail__tagline span {
  writing-mode: vertical-rl;
  text-orientation: upright;
  font-size: .62rem;
  letter-spacing: .18em;
  color: #1A3328;
  white-space: nowrap;
  user-select: none;
}
.site-rail__social {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.site-rail__social a {
  color: #1A1A1A;
  transition: color var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
}
.site-rail__social a:hover { color: #000; }
.site-rail__social svg { width: 14px; height: 14px; display: block; flex-shrink: 0; }

/* ── SITE HEADER ────────────────────────────────────────────────────────── */
.site-header {
  position: relative;
  height: var(--header-h);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  z-index: 800;
}
.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
}

/* Nav toggle */
.nav-toggle {
  width: 32px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 4px 0;
}
.nav-toggle__bar {
  display: block;
  width: 24px;
  height: 1.5px;
  background: #6BBF85;
  transition: all var(--transition);
  transform-origin: left center;
}
.nav-toggle.is-open .nav-toggle__bar:nth-child(1) { transform: rotate(38deg) scaleX(.85); }
.nav-toggle.is-open .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle.is-open .nav-toggle__bar:nth-child(3) { transform: rotate(-38deg) scaleX(.85); }

/* Logo */
.site-logo { position: absolute; left: 50%; transform: translateX(-50%); }
.site-logo a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  text-decoration: none;
}
.site-logo__text {
  font-family: var(--font-sans);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--color-text);
  line-height: 1;
}
.site-logo__sub {
  font-size: .52rem;
  font-weight: 400;
  color: #888;
  letter-spacing: .04em;
  white-space: nowrap;
  line-height: 1;
}
.site-logo__dot { color: var(--color-accent); }
.site-logo img { height: 36px; width: auto; }

/* Header right */
.site-header__right { display: flex; align-items: center; gap: 12px; }
.search-toggle {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text);
  border-radius: 50%;
  transition: background var(--transition);
}
.search-toggle:hover { background: var(--color-bg-alt); }

/* ── SEARCH OVERLAY ─────────────────────────────────────────────────────── */
.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10,10,10,.5);
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s;
}
.search-overlay.is-open { opacity: 1; pointer-events: all; }

.search-overlay__modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 28px 32px 32px;
  width: min(560px, 100%);
  position: relative;
  box-shadow: var(--shadow-lg);
}

.search-overlay__close {
  position: absolute;
  top: 14px; right: 14px;
  color: var(--color-text-muted);
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  transition: background var(--transition), color var(--transition);
}
.search-overlay__close:hover { background: var(--color-bg-alt); color: var(--color-text); }

.search-overlay__form {
  display: flex;
  align-items: center;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 12px;
  width: 100%;
}
.search-overlay__form input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--color-text);
  font-size: 1.4rem;
  font-family: var(--font-sans);
  font-weight: 500;
  letter-spacing: -.02em;
}
.search-overlay__form input::placeholder { color: var(--color-text-sub); }
.search-overlay__form button { color: var(--color-text-muted); flex-shrink: 0; }

/* Mobile: full-screen search */
@media (max-width: 768px) {
  .search-overlay {
    align-items: flex-start;
    padding: 0;
    background: rgba(10,10,10,.96);
  }
  .search-overlay__modal {
    width: 100%;
    border-radius: 0;
    padding: 72px 24px 32px;
    background: transparent;
    box-shadow: none;
  }
  .search-overlay__close {
    top: 40px; right: 20px;
    color: #1A3328;
  }
  .search-overlay__close:hover { background: rgba(255,255,255,.1); color: #fff; }
  .search-overlay__form { border-bottom-color: rgba(255,255,255,.3); }
  .search-overlay__form input { color: #fff; font-size: 1.5rem; }
  .search-overlay__form input::placeholder { color: rgba(255,255,255,.4); }
  .search-overlay__form button { color: rgba(255,255,255,.7); }
}

/* ── FULLSCREEN NAV ─────────────────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0; left: var(--rail-w); bottom: 0;
  width: min(420px, 90vw);
  background: var(--color-surface);
  z-index: 1000;
  transform: translateX(-100%);
  transition: transform .35s cubic-bezier(.4,0,.2,1);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.site-nav.is-open { transform: none; }
.site-nav__inner {
  padding: 80px 48px 48px;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.site-nav__close {
  position: absolute;
  top: 36px; right: 24px;
  color: var(--color-text);
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  transition: background var(--transition);
}
.site-nav__close:hover { background: var(--color-bg-alt); }
.site-nav__menu { display: flex; flex-direction: column; gap: 4px; margin-top: 8px; list-style: none; }
.site-nav__menu > li > a {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -.01em;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition), padding-left var(--transition);
}
.site-nav__menu > li > a:hover { color: var(--color-accent); padding-left: 8px; }
/* アコーディオンボタン */
.site-nav__accordion {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  border-bottom: 1px solid var(--color-border);
  padding: 10px 0;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--color-text);
  cursor: pointer;
  text-align: left;
  transition: color var(--transition);
}
.site-nav__accordion:hover { color: var(--color-accent); }
.site-nav__accordion[aria-expanded="true"] { color: var(--color-accent); }
.site-nav__arrow {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-right: 4px;
}
.site-nav__accordion[aria-expanded="true"] .site-nav__arrow { transform: rotate(-135deg); }

/* サブメニュー */
.site-nav__sub {
  list-style: none;
  padding: 4px 0 8px 16px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.site-nav__sub li a {
  display: block;
  font-size: .9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  padding: 5px 0;
  transition: color var(--transition), padding-left var(--transition);
}
.site-nav__sub li a:hover { color: var(--color-accent); padding-left: 6px; }
.site-nav__meta { margin-top: auto; padding-top: 40px; }
.site-nav__tagline { font-size: .75rem; color: var(--color-text-muted); line-height: 1.8; }

.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity .35s;
}
.nav-overlay.is-visible { opacity: 1; pointer-events: all; }

/* ── CATEGORY STRIP ─────────────────────────────────────────────────────── */
.cat-strip {
  position: relative;
  height: var(--catstrip-h);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  overflow-x: auto;
  scrollbar-width: none;
}
.cat-strip::-webkit-scrollbar { display: none; }
.cat-strip__inner {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 28px;
  gap: 0;
  white-space: nowrap;
}
.cat-strip__item {
  padding: 0 14px;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: none;
  color: var(--color-text-muted);
  height: 100%;
  display: flex;
  align-items: center;
  border-right: 1px solid var(--color-border);
  transition: color var(--transition);
}
.cat-strip__item:hover { color: var(--color-accent); }

/* ドロップダウン */
.cat-strip__wrap { position: relative; display: flex; align-items: center; }
.cat-strip__dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 160px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  list-style: none;
  z-index: 200;
  padding: 6px 0;
}
.cat-strip__dropdown li a {
  display: block;
  padding: 8px 16px;
  font-size: .72rem;
  font-weight: 500;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
}
.cat-strip__dropdown li a:hover { background: var(--color-bg-alt); color: var(--color-accent); }
.has-dropdown:hover .cat-strip__dropdown { display: block; }

/* No fixed header — no offset needed */
.site-wrap {}

/* Admin bar pushes content down — rail already accounts for this via top offset */
.admin-bar body { /* WordPress handles html margin-top: 32px automatically */ }

/* ── HERO ────────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  aspect-ratio: 16 / 9;
  max-height: 620px;
  overflow: hidden;
}
.hero__link { display: block; height: 100%; position: relative; }
.hero__bg {
  position: absolute;
  inset: 0;
}
.hero__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform .6s ease;
}
.hero:hover .hero__bg img { transform: scale(1.03); }
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.78) 0%, rgba(0,0,0,.3) 50%, rgba(0,0,0,.05) 100%);
}
.hero__content {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 48px 56px;
}
.hero__cat {
  display: inline-block;
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #fff;
  background: var(--color-accent);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
}
.hero__title {
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  letter-spacing: -.02em;
  margin-bottom: 12px;
  max-width: 720px;
}
.hero__excerpt {
  font-size: .9rem;
  color: rgba(255,255,255,.82);
  max-width: 560px;
  line-height: 1.6;
  margin-bottom: 20px;
}
.hero__meta {
  display: flex;
  align-items: center;
  gap: 20px;
}
.hero__ai {
  font-size: .72rem;
  font-weight: 600;
  color: rgba(255,255,255,.9);
  background: rgba(255,255,255,.15);
  padding: 4px 10px;
  border-radius: 20px;
  backdrop-filter: blur(8px);
}
.hero__date { font-size: .75rem; color: rgba(255,255,255,.7); }
.hero__pdf-badge {
  font-size: .65rem;
  font-weight: 700;
  color: var(--color-pdf);
  border: 1px solid var(--color-pdf);
  padding: 3px 8px;
  border-radius: 3px;
  letter-spacing: .08em;
}

/* ── HERO GRID ───────────────────────────────────────────────────────────── */
.hero-grid { background: #000; overflow: hidden; }

@media (max-width: 767px) {
  .hero-grid { display: none; }
}

.hero-grid__inner {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

/* Main */
.hero-grid__main {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #111;
}

/* Sub column (mobile: card list) */
.hero-grid__sub {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--color-border);
}

/* Sub item — mobile: card style */
.hero-grid__sub-item {
  background: var(--color-surface);
  overflow: hidden;
}

/* Sub link — mobile: flex column (image top, text below) */
.hero-grid__sub-link {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}

/* Sub thumb wrapper — mobile: aspect-ratio container */
.hero-grid__sub-thumb-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  flex-shrink: 0;
}
.hero-grid__sub-thumb-wrap .hero-grid__thumb {
  position: absolute;
  inset: 0;
}

/* Overlay: hidden on mobile (decorative only) */
.hero-grid__sub-item .hero-grid__overlay { display: none; }

/* Sub body — mobile: static, below image */
.hero-grid__sub-body {
  padding: 14px 16px 16px;
}

/* Sub title — mobile: dark text */
.hero-grid__sub-title {
  font-size: .9rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.5;
  letter-spacing: -.01em;
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Sub date — mobile: muted text */
.hero-grid__sub-item .hero-grid__date { color: var(--color-text-muted); }

/* Sub cat — mobile: colored badge */
.hero-grid__sub-item .hero-grid__cat { margin-bottom: 8px; }

/* Shared: main link fills parent */
.hero-grid__link {
  display: block;
  position: absolute;
  inset: 0;
}

/* Shared: thumbnail */
.hero-grid__thumb {
  position: absolute;
  inset: 0;
}
.hero-grid__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform .6s ease;
}
.hero-grid__main:hover .hero-grid__thumb img { transform: scale(1.04); }
.hero-grid__sub-item:hover .hero-grid__sub-thumb-wrap .hero-grid__thumb img { transform: scale(1.04); }

/* Shared: gradient overlay (main only on mobile) */
.hero-grid__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.78) 0%, rgba(0,0,0,.15) 55%, transparent 85%);
}

/* Main: body */
.hero-grid__main-body {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 40px 36px 32px;
}
.hero-grid__main-title {
  font-size: clamp(1.2rem, 2.8vw, 1.9rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.4;
  letter-spacing: -.02em;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Shared: cat badge */
.hero-grid__cat {
  display: inline-block;
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #fff;
  background: var(--cat-color, var(--color-accent));
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
}
.hero-grid__cat--sm { font-size: .55rem; padding: 2px 6px; margin-bottom: 6px; }

/* Shared: meta */
.hero-grid__meta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.hero-grid__writer {
  font-size: .72rem;
  color: rgba(255,255,255,.85);
  background: rgba(255,255,255,.12);
  padding: 3px 10px;
  border-radius: 20px;
  backdrop-filter: blur(6px);
}
.hero-grid__date { font-size: .72rem; color: rgba(255,255,255,.65); }
.hero-grid__date--sm { font-size: .65rem; }
.hero-grid__pdf-badge {
  font-size: .6rem;
  font-weight: 700;
  color: var(--color-pdf);
  border: 1px solid var(--color-pdf);
  padding: 2px 7px;
  border-radius: 3px;
  letter-spacing: .08em;
}

/* PC layout (768px+) */
@media (min-width: 768px) {
  .hero-grid__inner {
    flex-direction: row;
    height: min(52vw, 600px);
    background: #000;
    gap: 3px;
  }
  .hero-grid__main {
    flex: 3;
    aspect-ratio: unset;
    height: 100%;
  }
  .hero-grid__sub {
    flex: 2;
    height: 100%;
    background: #000;
  }
  /* Sub item: restore overlay style */
  .hero-grid__sub-item {
    flex: 1;
    position: relative;
    min-height: 0;
    background: #111;
  }
  .hero-grid__sub-link {
    position: absolute;
    inset: 0;
    flex-direction: unset;
  }
  .hero-grid__sub-thumb-wrap {
    position: absolute;
    inset: 0;
    aspect-ratio: unset;
  }
  .hero-grid__sub-item .hero-grid__overlay { display: block; }
  .hero-grid__sub-body {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 22px 20px 16px;
  }
  .hero-grid__sub-title {
    color: #fff;
    font-size: clamp(.8rem, 1.4vw, .95rem);
  }
  .hero-grid__sub-item .hero-grid__date { color: rgba(255,255,255,.65); }
  .hero-grid__sub-item:hover .hero-grid__sub-thumb-wrap .hero-grid__thumb img { transform: scale(1.04); }
}

/* ── SECTION HEAD ────────────────────────────────────────────────────────── */
.section-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--color-text);
}
.section-head__title {
  font-size: .85rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
  position: relative;
}
.section-head__en { display: block; font-size: .85rem; font-weight: 800; letter-spacing: .16em; }
.section-head__ja { display: block; font-size: .7rem; font-weight: 500; letter-spacing: .06em; color: var(--color-text-muted); margin-top: 2px; }
.section-head__sub {
  font-size: .75rem;
  color: var(--color-text-muted);
  margin-left: 4px;
}
.section-head__more {
  margin-left: auto;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition);
  white-space: nowrap;
}
.section-head__more:hover { color: var(--color-accent); }

/* ── CARD GRID ───────────────────────────────────────────────────────────── */
.card-grid {
  display: grid;
  gap: var(--gap);
}
.card-grid--2 { grid-template-columns: repeat(2, 1fr); }
.card-grid--3 { grid-template-columns: repeat(3, 1fr); }
.card-grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ── CARD ────────────────────────────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition), transform var(--transition);
  position: relative;
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.card--large { grid-column: span 2; flex-direction: row; }
.card--large .card__thumb { width: 55%; flex-shrink: 0; aspect-ratio: unset; min-height: 260px; }
.card--large .card__body { padding: 32px 28px; }

/* Card thumbnail — aspect-ratio on container, img fills absolutely */
.card__thumb-link { display: block; overflow: hidden; }
.card__thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}
.card__thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform .5s ease;
}
.card:hover .card__thumb img { transform: scale(1.04); }
.card__thumb-placeholder {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #F0F0F8 0%, #E8E8F4 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.card__thumb-placeholder span {
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--color-text-sub);
  text-transform: uppercase;
}

/* Category badge on thumbnail */
.card__cat {
  position: absolute;
  top: 10px; left: 10px;
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: #fff;
  background: var(--cat-color, var(--color-text));
  padding: 3px 8px;
  border-radius: 2px;
}

/* PDF badge */
.card__pdf-badge {
  position: absolute;
  top: 10px; right: 10px;
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--color-pdf);
  background: rgba(255,255,255,.92);
  padding: 3px 7px;
  border-radius: 2px;
  border: 1px solid var(--color-pdf);
}

/* Rank number — legacy in-card (kept for sidebar/other uses) */
.card__rank {
  position: absolute;
  top: 0; left: 0;
  width: 28px; height: 28px;
  background: #6BBF85;
  color: #fff;
  font-size: .75rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

/* Ranking page — number sits above the card */
.ranking-card-wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.ranking-card-num {
  font-size: 1rem;
  font-weight: 900;
  line-height: 1;
  color: var(--color-text-muted);
  padding-left: 4px;
  letter-spacing: -.02em;
}
.ranking-card-wrap:nth-child(1) .ranking-card-num { color: #C9A84C; }
.ranking-card-wrap:nth-child(2) .ranking-card-num { color: #A0A0A0; }
.ranking-card-wrap:nth-child(3) .ranking-card-num { color: #CD7F32; }

/* Card body */
.card__body {
  padding: 16px 18px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

/* AI author badge on card */
.card__ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: .62rem;
  font-weight: 600;
  color: var(--color-ai);
  margin-bottom: 8px;
}
.card__ai-icon { font-size: .6rem; }

/* Card title */
.card__title {
  font-size: .95rem;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -.01em;
  margin-bottom: 8px;
  flex: 1;
}
.card__title a {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--transition);
}
.card__title a:hover { color: var(--color-accent); }

.card--small .card__title { font-size: .85rem; }
.card--small .card__title a { -webkit-line-clamp: 2; }

/* Card excerpt */
.card__excerpt {
  font-size: .8rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Card meta */
.card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
}
.card__date {
  font-size: .68rem;
  color: var(--color-text-sub);
}
.card__views {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: .68rem;
  color: var(--color-text-sub);
}

/* Featured grid — all equal */
.featured-grid__inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}

/* PC: featured先頭3件はヒーローと重複するため非表示 */
@media (min-width: 768px) {
  .featured-grid__inner .card:nth-child(-n+3) { display: none; }
}

/* ── RANKING SCROLL ─────────────────────────────────────────────────────── */
.ranking-tabs {
  display: flex;
  gap: 4px;
  margin-left: 16px;
}
.ranking-tab {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 4px 12px;
  border: 1px solid #6BBF85 !important;
  border-radius: 20px;
  color: var(--color-text-muted);
  transition: all var(--transition);
  white-space: nowrap;
}
.ranking-tab.is-active {
  background: #6BBF85;
  border-color: #3E9E72;
  color: #fff;
}
.ranking-page { padding-top: 48px; padding-bottom: 64px; }
.ranking-period { margin-bottom: 64px; }
.ranking-period:last-child { margin-bottom: 0; }
.ranking-period .section-head { margin-bottom: 28px; }

.ranking-scroll {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 8px;
}
.ranking-scroll::-webkit-scrollbar { display: none; }
.ranking-scroll .card {
  flex: 0 0 220px;
  width: 220px;
}
.ranking-scroll .card .card__thumb { aspect-ratio: 16 / 9; }
.ranking-scroll .card__body { padding: 12px 14px 14px; }

/* ── PDF BANNER ─────────────────────────────────────────────────────────── */
.pdf-banner {
  background: linear-gradient(135deg, #4A6FA5 0%, #3D5A80 100%);
  padding: 48px 0;
}
.pdf-banner__inner {
  display: flex;
  align-items: center;
  gap: 32px;
}
.pdf-banner__icon { color: rgba(255,255,255,.8); flex-shrink: 0; }
.pdf-banner__text { flex: 1; }
.pdf-banner__title {
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.02em;
  margin-bottom: 6px;
}
.pdf-banner__desc { font-size: .85rem; color: rgba(255,255,255,.82); line-height: 1.6; }
.pdf-banner__btn {
  flex-shrink: 0;
  background: #fff;
  color: #1A1A1A;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .04em;
  padding: 14px 28px;
  border-radius: 4px;
  transition: opacity var(--transition);
  white-space: nowrap;
}
.pdf-banner__btn:hover { opacity: .88; }

/* ── CATEGORY SECTIONS ──────────────────────────────────────────────────── */
.cat-sections { background: var(--color-bg-alt); }
.cat-section { margin-bottom: 56px; }
.cat-section:last-child { margin-bottom: 0; }
.section-head__title { --accent: var(--color-accent); }

/* ── MEMBER GATE ────────────────────────────────────────────────────────── */
.member-gate {
  text-align: center;
  padding: 24px 0 8px;
}
.member-gate__icon {
  color: var(--color-text-muted);
  margin-bottom: 12px;
}
.member-gate__title {
  font-size: .92rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
}
.member-gate__desc {
  font-size: .78rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}
.member-gate__actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 320px;
  margin: 0 auto;
}
.member-gate__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 6px;
  font-size: .8rem;
  font-weight: 700;
  text-decoration: none;
  transition: opacity .18s;
}
.member-gate__btn:hover { opacity: .85; }
.member-gate__btn--primary {
  background: var(--color-accent);
  color: #fff;
}
.member-gate__btn--secondary {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

/* ── ASSET CTA: member variant ──────────────────────────────────────────── */
.asset-cta__btn--download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, #4A6FA5 0%, #3D5A80 100%);
  color: #fff !important;
  text-decoration: none !important;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: .88rem;
  font-weight: 700;
  letter-spacing: .03em;
  transition: opacity .18s, transform .18s;
}
.asset-cta__btn--download:hover { opacity: .88; transform: translateY(-1px); }
.asset-cta__btn--primary {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #4A6FA5 0%, #3D5A80 100%);
  color: #fff !important;
  text-decoration: none !important;
  padding: 15px 20px;
  border-radius: 8px;
  font-size: .88rem;
  font-weight: 700;
  letter-spacing: .03em;
  transition: opacity .18s, transform .18s;
}
.asset-cta__btn--primary:hover { opacity: .88; transform: translateY(-1px); }
.asset-cta__btn--secondary {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--color-accent) !important;
  padding: 4px 20px;
  font-size: .82rem;
  font-weight: 500;
  text-decoration: underline !important;
  text-underline-offset: 3px;
  transition: color .18s;
}
.asset-cta__btn--secondary:hover { color: var(--color-accent-h) !important; }

/* ── PDF PAGE (page-pdf.php) ────────────────────────────────────────────── */
.pdf-page-wrap {
  padding-top: 48px;
  padding-bottom: 72px;
}
.pdf-page-gate {
  margin-top: 32px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.pdf-page-gate__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; width: 100%; flex-wrap: wrap; }
.pdf-page-gate__text { font-size: .85rem; color: var(--color-text-muted); }
.pdf-page-gate__text strong { color: var(--color-text); }
.pdf-page-gate__actions { display: flex; gap: 8px; flex-shrink: 0; }
.pdf-page-gate__btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 9px 20px; border-radius: 5px;
  font-size: .78rem; font-weight: 700;
  text-decoration: none; transition: opacity .18s;
}
.pdf-page-gate__btn:hover { opacity: .82; }
.pdf-page-gate__btn--primary { background: var(--color-accent); color: #fff; }
.pdf-page-gate__btn--secondary { border: 1px solid var(--color-border); color: var(--color-text-muted); }

.pdf-page-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.pdf-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition);
}
.pdf-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.pdf-card__thumb-link {
  display: block;
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-bg-alt);
  flex-shrink: 0;
}
.pdf-card__thumb {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
  transition: transform .35s ease;
}
.pdf-card__thumb-link:hover .pdf-card__thumb { transform: scale(1.04); }
.pdf-card__thumb-ph {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-sub);
}
.pdf-card__badge {
  position: absolute;
  bottom: 10px; left: 10px;
  background: rgba(0,0,0,.65);
  color: #fff;
  font-size: .58rem;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 3px 8px;
  border-radius: 3px;
  display: flex; align-items: center; gap: 4px;
}
.pdf-card__body {
  padding: 16px 20px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.pdf-card__title {
  font-size: .92rem;
  font-weight: 800;
  line-height: 1.45;
  margin-bottom: 6px;
  color: var(--color-text);
}
.pdf-card__article-title {
  font-size: .72rem;
  color: var(--color-text-sub);
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.5;
}
.pdf-card__article-title a { color: inherit; transition: color var(--transition); }
.pdf-card__article-title a:hover { color: var(--color-text-muted); }
.pdf-card__foot { margin-top: auto; }
.pdf-card__dl-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 11px 16px;
  border-radius: var(--radius-sm);
  font-size: .78rem;
  font-weight: 700;
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
  transition: background var(--transition), opacity var(--transition);
}
.pdf-card__dl-btn:hover { background: var(--color-accent-h); }
.pdf-card__dl-btn--locked {
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.pdf-card__dl-btn--locked:hover { background: var(--color-border); }

@media (max-width: 900px) { .pdf-page-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; } }
@media (max-width: 540px) { .pdf-page-grid { grid-template-columns: 1fr; } .pdf-page-gate__inner { flex-direction: column; align-items: flex-start; } }

/* ── PDF LIBRARY PAGE ───────────────────────────────────────────────────── */
.pdf-library-gate-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 20px 24px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.pdf-library-gate-banner__text {
  font-size: .85rem;
  font-weight: 600;
  color: var(--color-text);
}
.pdf-library-gate-banner__actions {
  display: flex;
  gap: 10px;
}
@media (max-width: 540px) {
  .pdf-library-gate-banner { flex-direction: column; align-items: flex-start; }
  .pdf-library-gate-banner__actions { width: 100%; }
  .pdf-library-gate-banner__actions .pdf-library-card__btn { flex: 1; }
}

.pdf-library-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 48px 0 40px;
}
.pdf-library-header__title {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 8px;
}
.pdf-library-header__desc {
  font-size: .85rem;
  color: var(--color-text-muted);
}
.pdf-library-wrap {
  padding-top: 48px;
  padding-bottom: 64px;
}
.pdf-library-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.pdf-library-card {
  border: 1px solid var(--color-border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
}
.pdf-library-card__thumb-wrap {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-bg-alt);
  flex-shrink: 0;
}
.pdf-library-card__thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .3s ease;
}
.pdf-library-card__thumb-wrap:hover .pdf-library-card__thumb { transform: scale(1.03); }
.pdf-library-card__thumb-ph {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
}
.pdf-library-card__body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.pdf-library-card__cat {
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--color-accent);
  text-transform: uppercase;
  display: block;
  margin-bottom: 8px;
}
.pdf-library-card__label {
  font-size: .9rem;
  font-weight: 800;
  margin-bottom: 8px;
  line-height: 1.45;
}
.pdf-library-card__desc {
  font-size: .76rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 16px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.pdf-library-card__gate-msg {
  font-size: .75rem;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}
.pdf-library-card__gate-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.pdf-library-card__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 16px;
  border-radius: 5px;
  font-size: .75rem;
  font-weight: 700;
  text-decoration: none;
  transition: opacity .18s;
}
.pdf-library-card__btn:hover { opacity: .82; }
.pdf-library-card__btn--download {
  background: var(--color-accent);
  color: #fff;
  gap: 6px;
}
.pdf-library-card__btn--primary {
  background: var(--color-accent);
  color: #fff;
}
.pdf-library-card__btn--secondary {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
@media (max-width: 900px) {
  .pdf-library-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .pdf-library-grid { grid-template-columns: 1fr; }
  .member-gate__actions { max-width: 100%; }
}

/* ── EDITORIAL BLOCK ────────────────────────────────────────────────────── */
.editorial-block {
  background: #6BBF85;
  padding: 80px 0;
}
.editorial-block__inner { text-align: center; max-width: 640px; margin: 0 auto; }
.editorial-block__badge {
  display: inline-block;
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .14em;
  color: #1A1A1A;
  border: 1px solid #1A1A1A;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 24px;
}
.editorial-block__title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  color: #1A1A1A;
  letter-spacing: -.03em;
  line-height: 1.2;
  margin-bottom: 20px;
}
.editorial-block__body {
  font-size: .9rem;
  color: #333333;
  line-height: 1.85;
  margin-bottom: 28px;
}
.editorial-block__models {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 32px;
}
.editorial-block__models span {
  font-size: .7rem;
  font-weight: 600;
  color: #3E9E72;
  background: rgba(255,255,255,.1);
  padding: 5px 14px;
  border-radius: 20px;
  letter-spacing: .06em;
}
.editorial-block__link {
  font-size: .78rem;
  font-weight: 600;
  color: #1A1A1A;
  letter-spacing: .04em;
  transition: color var(--transition);
}
.editorial-block__link:hover { color: #1A3328; }

/* ── CATEGORY BANNER (footer) ───────────────────────────────────────────── */
.cat-banner {
  display: flex;
  height: 200px;
}
.cat-banner__item {
  flex: 1;
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px 28px;
  position: relative;
  overflow: hidden;
  transition: flex .3s ease;
}
.cat-banner__item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.7) 0%, rgba(0,0,0,.2) 60%, transparent 100%);
}
.cat-banner__item:hover { flex: 1.4; }
.cat-banner__label {
  position: relative;
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 4px;
}
.cat-banner__desc {
  position: relative;
  font-size: .75rem;
  color: rgba(255,255,255,.82);
  line-height: 1.4;
}

/* ── SITE FOOTER ─────────────────────────────────────────────────────────── */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding-top: 64px;
}
.site-footer__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px 48px;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 64px;
}
.site-footer__logo {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -.04em;
  display: block;
  margin-bottom: 12px;
}
.site-footer__logo-dot { color: var(--color-accent); }
.site-footer__tagline {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}
.site-footer__desc { font-size: .78rem; color: var(--color-text-sub); line-height: 1.7; }
.site-footer__menu {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 0;
  align-content: flex-start;
}
.site-footer__menu li a {
  font-size: .72rem;
  color: var(--color-text-muted);
  padding: 4px 16px 4px 0;
  display: block;
  transition: color var(--transition);
}
.site-footer__menu li a:hover { color: var(--color-accent); }
.site-footer__bottom {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: 20px 32px;
}
.site-footer__bottom-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.site-footer__copy { font-size: .7rem; color: var(--color-text-sub); }
.site-footer__note { font-size: .65rem; color: var(--color-text-sub); }

/* ── PAGE TOP ────────────────────────────────────────────────────────────── */
.page-top {
  position: fixed;
  bottom: 32px; right: 24px;
  background: #6BBF85;
  color: #fff;
  width: 52px; height: 52px;
  border-radius: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  z-index: 600;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s;
}
.page-top.is-visible { opacity: 1; pointer-events: all; }
.page-top span { font-size: .5rem; letter-spacing: .1em; font-weight: 700; }

/* ── BREADCRUMB ──────────────────────────────────────────────────────────── */
.breadcrumb {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 0;
}
.breadcrumb__nav {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: .7rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
}
.breadcrumb__nav a { transition: color var(--transition); }
.breadcrumb__nav a:hover { color: var(--color-accent); }
.breadcrumb__sep { color: var(--color-text-sub); margin: 0 4px; }

/* ── SINGLE LAYOUT ───────────────────────────────────────────────────────── */
.single-layout {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-w);
  gap: 48px;
  align-items: start;
  padding-top: 40px;
  padding-bottom: 60px;
}
.single-main { min-width: 0; position: relative; }

/* Post header */
.post-header { margin-bottom: 28px; }
.post-header__cat {
  display: inline-block;
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--cat-color, var(--color-text));
  border-bottom: 2px solid var(--cat-color, var(--color-text));
  padding-bottom: 2px;
  margin-bottom: 14px;
}
.post-header__title {
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.3;
  margin-bottom: 10px;
}
.post-header__ai-note {
  font-size: .72rem;
  font-weight: 400;
  color: #999;
  line-height: 1.6;
  margin-bottom: 18px;
}
.post-header__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.post-header__ai-author { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

/* AI Author badge */
.ai-author-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(108,99,255,.08);
  border: 1px solid rgba(108,99,255,.2);
  border-radius: 20px;
  padding: 5px 12px;
  font-size: .7rem;
}
.ai-author-badge__icon { color: var(--color-ai); }
.ai-author-badge__label { color: var(--color-text-muted); }
.ai-author-badge__name { font-weight: 700; color: var(--color-ai); }
.ai-author-badge__model {
  font-size: .6rem;
  color: var(--color-text-sub);
  background: rgba(0,0,0,.04);
  padding: 2px 7px;
  border-radius: 20px;
}
.ai-editorial-badge {
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  padding: 4px 10px;
  border-radius: 20px;
}
.post-header__meta-right {
  display: flex;
  align-items: center;
  gap: 14px;
}
.post-header__date { font-size: .72rem; color: var(--color-text-muted); }
.post-header__views {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: .72rem;
  color: var(--color-text-muted);
}
.post-header__pdf-flag {
  font-size: .62rem;
  font-weight: 700;
  color: var(--color-pdf);
  border: 1px solid var(--color-pdf);
  padding: 3px 8px;
  border-radius: 3px;
  letter-spacing: .06em;
}

/* Featured image */
.post-thumbnail { border-radius: var(--radius-md); overflow: hidden; margin-bottom: 36px; }
.post-thumbnail img { width: 100%; max-height: 460px; object-fit: cover; }

/* ── PDF CTA ─────────────────────────────────────────────────────────────── */
.pdf-cta {
  display: flex;
  align-items: center;
  gap: 20px;
  background: linear-gradient(135deg, rgba(0,87,255,.06) 0%, rgba(108,99,255,.06) 100%);
  border: 1px solid rgba(0,87,255,.15);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin: 40px 0;
}
.pdf-cta__icon { color: var(--color-accent); flex-shrink: 0; }
.pdf-cta__content { flex: 1; }
.pdf-cta__eyebrow {
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 4px;
}
.pdf-cta__title { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.pdf-cta__desc { font-size: .78rem; color: var(--color-text-muted); line-height: 1.6; }
.pdf-cta__btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-accent);
  color: #fff;
  font-size: .78rem;
  font-weight: 700;
  padding: 12px 22px;
  border-radius: 4px;
  white-space: nowrap;
  transition: background var(--transition);
}
.pdf-cta__btn:hover { background: var(--color-accent-h); }

/* ── TABLE OF CONTENTS ──────────────────────────────────────────────────── */
.toc {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin: 36px 0;
  overflow: hidden;
}
.toc__header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  font-size: .78rem;
  font-weight: 700;
  border-bottom: 1px solid var(--color-border);
}
.toc__icon { font-size: 1rem; }
.toc__toggle {
  margin-left: auto;
  font-size: 1.2rem;
  color: var(--color-text-muted);
  line-height: 1;
}
.toc__body { padding: 16px 20px; }
.toc__body ol { counter-reset: toc; }
.toc__body li {
  counter-increment: toc;
  margin-bottom: 6px;
}
.toc__body li::before {
  content: counter(toc) ". ";
  font-weight: 600;
  color: var(--color-text-muted);
  font-size: .75rem;
}
.toc__body a {
  font-size: .8rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}
.toc__body a:hover { color: var(--color-accent); }
.toc__body .toc-h3 { padding-left: 16px; }
.toc__body .toc-h3::before { content: ''; }

/* ── POST CONTENT ────────────────────────────────────────────────────────── */
.post-content {
  font-size: .95rem;
  line-height: 1.9;
  color: var(--color-text);
  overflow: visible;
  overflow-wrap: break-word;
  word-wrap: break-word;
}
.post-content h2 {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -.02em;
  margin: 48px 0 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-text);
}
.post-content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 36px 0 14px;
  padding-left: 12px;
  border-left: 3px solid var(--color-accent);
}
.post-content h4 {
  font-size: .95rem;
  font-weight: 700;
  margin: 28px 0 10px;
}
.post-content p { margin-bottom: 1.4em; }
.post-content ul, .post-content ol {
  margin: 0 0 1.4em 1.2em;
}
.post-content ul { list-style: disc; }
.post-content ol { list-style: decimal; }
.post-content li { margin-bottom: .5em; }
.post-content strong { font-weight: 700; }
.post-content em { font-style: italic; }
.post-content blockquote {
  margin: 28px 0;
  padding: 20px 24px;
  background: var(--color-bg-alt);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--color-text-muted);
}
.post-content code {
  background: rgba(0,87,255,.07);
  color: var(--color-accent);
  font-family: "SF Mono", "Fira Code", "Courier New", monospace;
  font-size: .85em;
  padding: 2px 6px;
  border-radius: 3px;
  word-break: break-all;
}
.post-content pre {
  background: #1A1A2E;
  color: #A8B2D8;
  font-family: "SF Mono", "Fira Code", "Courier New", monospace;
  font-size: .82rem;
  line-height: 1.8;
  padding: 24px 28px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  overflow-y: visible;
  margin: 28px 0;
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow-wrap: break-word;
  max-height: none;
}
.post-content pre code {
  background: none;
  color: inherit;
  padding: 0;
  font-size: inherit;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: break-word;
}
.post-content img {
  border-radius: var(--radius-md);
  margin: 24px 0;
}
.post-content a { color: var(--color-accent); text-decoration: underline; text-underline-offset: 3px; }
.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: .85rem;
}
.post-content th, .post-content td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}
.post-content th {
  font-weight: 700;
  background: var(--color-bg-alt);
}
.post-content tr:hover td { background: rgba(0,87,255,.02); }

/* ── EDITORIAL NOTE ─────────────────────────────────────────────────────── */
.editorial-note {
  background: rgba(108,99,255,.05);
  border: 1px solid rgba(108,99,255,.2);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin: 40px 0;
}
.editorial-note__header { margin-bottom: 12px; }
.editorial-note__badge {
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--color-ai);
  background: rgba(108,99,255,.1);
  padding: 4px 10px;
  border-radius: 20px;
}
.editorial-note__body { font-size: .85rem; color: var(--color-text-muted); line-height: 1.8; }

/* ── ASSET CTA ───────────────────────────────────────────────────────────── */
.asset-cta {
  margin-top: 56px;
  background: #fff;
  border: 1px solid #e5e5e5;
  border-radius: 12px;
  padding: 44px 40px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.asset-cta__eyebrow {
  display: inline-block;
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: #888;
  margin-bottom: 14px;
}
.asset-cta__title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.55;
}
.asset-cta__sub {
  font-size: .75rem;
  color: #999;
  margin-bottom: 28px;
  line-height: 1.6;
}

.asset-cta__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.asset-cta__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 13px 20px;
  border-radius: 8px;
  font-size: .82rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  color: #fff !important;
  text-decoration: none !important;
  transition: opacity .18s, transform .18s;
}
.asset-cta__btn:hover { opacity: .88; transform: translateY(-1px); }
.asset-cta__btn--x {
  background: #000;
  color: #fff !important;
  font-weight: 700;
  letter-spacing: .03em;
}
.asset-cta__btn--x:hover { background: #222; opacity: 1; }
.asset-cta__btn--email { background: var(--color-accent); color: #fff; }

.asset-cta__divider {
  font-size: .72rem;
  color: #bbb;
  position: relative;
  text-align: center;
  margin: 4px 0;
}

/* 2パス構造 */
.asset-cta__path {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  border: 1px solid #e5e5e5;
  border-radius: 10px;
  background: #fafafa;
}
.asset-cta__path-label {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: #999;
  text-transform: uppercase;
  margin-bottom: 2px;
}

/* 成功表示（hidden属性で初期非表示） */
.asset-cta__reveal[hidden] { display: none !important; }
.asset-cta__reveal {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: #f0faf4;
  border: 1px solid #bbf0cc;
  border-radius: 8px;
}
.asset-cta__thanks {
  font-size: .8rem;
  color: #16a34a;
  font-weight: 700;
}
.asset-cta__download {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 11px 24px;
  background: var(--color-accent);
  color: #fff;
  border-radius: 8px;
  font-size: .82rem;
  font-weight: 700;
  transition: opacity .18s;
}
.asset-cta__download:hover { opacity: .82; }

@media (max-width: 600px) {
  .asset-cta { padding: 32px 20px; }
}

/* ── POST NAVIGATION ────────────────────────────────────────────────────── */
.post-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 40px;
}
.post-navigation__prev,
.post-navigation__next {
  padding: 20px 22px;
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: background var(--transition);
}
.post-navigation__prev:hover,
.post-navigation__next:hover { background: var(--color-bg-alt); }
.post-navigation__next { text-align: right; border-left: 1px solid var(--color-border); }
.post-navigation__label { font-size: .65rem; font-weight: 700; letter-spacing: .08em; color: var(--color-text-sub); }
.post-navigation__title { font-size: .9rem; font-weight: 600; line-height: 1.5; }

/* ── RELATED POSTS ──────────────────────────────────────────────────────── */
.related-posts { background: var(--color-bg-alt); }

/* ── ARCHIVE HEADER ─────────────────────────────────────────────────────── */
.archive-header {
  background: linear-gradient(135deg, var(--color-text) 0%, #2d2d3a 100%);
  padding: 56px 0;
  margin-bottom: 0;
}
.archive-header__inner { max-width: var(--container); margin: 0 auto; padding: 0 32px; }
.archive-header__label {
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--cat-color, var(--color-accent));
  margin-bottom: 10px;
  display: block;
}
.archive-header__title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -.03em;
  line-height: 1.1;
  margin-bottom: 12px;
}
.archive-header__desc { font-size: .85rem; color: rgba(255,255,255,.7); max-width: 500px; line-height: 1.7; margin-bottom: 12px; }
.archive-header__count { font-size: .72rem; color: rgba(255,255,255,.5); }

/* Search results header */
.search-results .archive-header__inner {
  padding: 32px 0 16px;
}
.search-results .archive-header__title {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  color: var(--color-text);
  letter-spacing: -.02em;
}
.search-results .archive-header__count {
  color: var(--color-text-muted);
}

/* Archive layout */
.archive-layout {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-w);
  gap: 48px;
  align-items: start;
  padding-top: 40px;
  padding-bottom: 60px;
}
.archive-main { min-width: 0; }

/* ── SIDEBAR ─────────────────────────────────────────────────────────────── */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* Sidebar PDF CTA */
.sidebar-pdf-cta {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-ai) 100%);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.sidebar-pdf-cta__inner { padding: 24px; }
.sidebar-pdf-cta__eyebrow {
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: #1A3328;
  margin-bottom: 8px;
}
.sidebar-pdf-cta__title { font-size: .9rem; font-weight: 700; color: #fff; margin-bottom: 8px; line-height: 1.4; }
.sidebar-pdf-cta__desc { font-size: .75rem; color: rgba(255,255,255,.82); line-height: 1.6; margin-bottom: 16px; }
.sidebar-pdf-cta__btn {
  display: block;
  background: #fff;
  color: var(--color-accent);
  font-size: .74rem;
  font-weight: 700;
  text-align: center;
  padding: 11px;
  border-radius: 3px;
  transition: opacity var(--transition);
}
.sidebar-pdf-cta__btn:hover { opacity: .9; }

/* Widget base */
.widget { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }
.widget-title {
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
  padding: 14px 18px;
  border-bottom: 1px solid var(--color-border);
}

/* Widget: Categories */
.widget-ranking { margin-bottom: 0; }
.widget-categories { margin-top: 4px; }
.widget-categories__list { padding: 8px 0; }
.widget-categories__list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  transition: background var(--transition);
}
.widget-categories__list li:hover { background: var(--color-bg-alt); }
.widget-categories__list a {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .78rem;
  padding: 9px 0;
  flex: 1;
  transition: color var(--transition);
}
.widget-categories__list a:hover { color: var(--color-accent); }
.widget-categories__dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.widget-categories__count { font-size: .65rem; color: var(--color-text-sub); }

/* Widget: Ranking tabs */
.widget-ranking__tabs {
  display: flex;
  padding: 10px 18px;
  gap: 6px;
  border-bottom: 1px solid var(--color-border);
}
.widget-ranking__tab {
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .04em;
  padding: 3px 10px;
  border-radius: 20px;
  color: var(--color-text-muted);
  border: 1px solid #6BBF85;
  transition: all var(--transition);
}
.widget-ranking__tab.is-active {
  background: #6BBF85;
  border-color: #6BBF85;
  color: #fff;
}
.widget-ranking__list { padding: 8px 0; }
.widget-ranking__item {
  padding: 9px 18px;
  transition: background var(--transition);
}
.widget-ranking__item:hover { background: var(--color-bg-alt); }
.widget-ranking__body {
  display: grid;
  grid-template-columns: 20px 56px 1fr;
  gap: 0 8px;
  align-items: center;
}
.widget-ranking__num {
  font-size: .65rem;
  font-weight: 800;
  color: var(--color-text-sub);
  text-align: center;
  flex-shrink: 0;
}
.widget-ranking__item:nth-child(1) .widget-ranking__num { color: #C9A84C; }
.widget-ranking__item:nth-child(2) .widget-ranking__num { color: #A0A0A0; }
.widget-ranking__item:nth-child(3) .widget-ranking__num { color: #CD7F32; }
.widget-ranking__thumb {
  width: 56px;
  height: 38px;
  flex-shrink: 0;
  overflow: hidden;
  border-radius: var(--radius-sm);
  display: block;
}
.widget-ranking__thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.widget-ranking__thumb-ph {
  width: 100%;
  height: 100%;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
}
.widget-ranking__text { flex: 1; min-width: 0; }
.widget-ranking__cat { font-size: .58rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--color-text-sub); display: block; margin-bottom: 3px; }
.widget-ranking__title { font-size: .72rem; font-weight: 600; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: color var(--transition); }
.widget-ranking__title:hover { color: var(--color-accent); }

/* Widget: Recent */
.widget-recent__list { padding: 8px 0; }
.widget-recent__item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 10px 18px;
  transition: background var(--transition);
}
.widget-recent__item:hover { background: var(--color-bg-alt); }
.widget-recent__thumb { width: 56px; height: 38px; flex-shrink: 0; border-radius: var(--radius-sm); overflow: hidden; }
.widget-recent__thumb img { width: 100%; height: 100%; object-fit: cover; }
.widget-recent__text { flex: 1; min-width: 0; }
.widget-recent__title { font-size: .72rem; font-weight: 600; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: color var(--transition); }
.widget-recent__title:hover { color: var(--color-accent); }
.widget-recent__date { font-size: .62rem; color: var(--color-text-sub); margin-top: 3px; display: block; }

/* Widget: Newsletter */
/* member CTA widget — gradient, matches pdf-banner */
.widget-member-cta {
  border: none;
  background: linear-gradient(135deg, #4A6FA5 0%, #3D5A80 100%);
  border-radius: var(--radius);
  overflow: hidden;
}
.widget-member-cta__inner { padding: 24px 20px; }
.widget-member-cta__title {
  font-size: .9rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
  line-height: 1.5;
  letter-spacing: -.01em;
}
.widget-member-cta__desc {
  font-size: .73rem;
  color: rgba(255,255,255,.82);
  line-height: 1.65;
  margin-bottom: 18px;
}
.widget-member-cta__btn {
  display: block;
  background: #fff;
  color: #1A1A1A;
  font-size: .76rem;
  font-weight: 700;
  text-align: center;
  padding: 12px;
  border-radius: 4px;
  transition: opacity var(--transition);
  text-decoration: none;
  letter-spacing: .02em;
}
.widget-member-cta__btn:hover { opacity: .88; }

/* ── AUTH PAGES (register / login) ─────────────────────────────────────── */
.auth-page {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 16px;
  background: var(--color-bg);
}
.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 40px 36px 36px;
}
.auth-card__head { text-align: center; margin-bottom: 28px; }
.auth-card__logo {
  display: inline-block;
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--color-text);
  text-decoration: none;
  margin-bottom: 20px;
}
.auth-card__title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 6px;
}
.auth-card__sub {
  font-size: .78rem;
  color: var(--color-text-muted);
}
.auth-errors {
  list-style: none;
  background: #fff1f1;
  border: 1px solid #fca5a5;
  border-radius: 6px;
  padding: 12px 16px;
  margin-bottom: 20px;
  font-size: .78rem;
  color: #b91c1c;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.auth-form { display: flex; flex-direction: column; gap: 18px; }
.auth-form__field { display: flex; flex-direction: column; gap: 6px; }
.auth-form__label {
  font-size: .75rem;
  font-weight: 600;
  color: var(--color-text);
}
.auth-form__hint { font-weight: 400; color: var(--color-text-muted); }
.auth-form__input {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: .85rem;
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color .18s;
  box-sizing: border-box;
}
.auth-form__input:focus {
  outline: none;
  border-color: var(--color-accent);
}
.auth-form__check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .78rem;
  color: var(--color-text-muted);
  cursor: pointer;
}
.auth-form__submit {
  width: 100%;
  padding: 13px;
  background: var(--color-accent);
  color: #fff;
  font-size: .85rem;
  font-weight: 700;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: opacity .18s;
  margin-top: 4px;
}
.auth-form__submit:hover { opacity: .85; }
.auth-form__submit--danger {
  background: #C0392B;
}
.auth-form__submit--danger:hover { background: #A93226; opacity: 1; }

/* Withdraw confirm block */
.withdraw-confirm {
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 20px;
}
.withdraw-confirm__name {
  font-size: .88rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}
.withdraw-confirm__name strong { color: var(--color-text); }
.withdraw-confirm__notes {
  list-style: disc;
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.withdraw-confirm__notes li {
  font-size: .82rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}
.auth-card__alt {
  text-align: center;
  font-size: .76rem;
  color: var(--color-text-muted);
  margin-top: 22px;
}
.auth-card__alt a {
  color: var(--color-accent);
  font-weight: 600;
}

/* ── HEADER AUTH (PC only) ──────────────────────────────────────────────── */
.header-auth {
  display: flex;
  align-items: center;
  gap: 10px;
}
.header-auth__register {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: #fff;
  background: var(--color-accent);
  padding: 5px 13px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
  white-space: nowrap;
}
.header-auth__register:hover { background: var(--color-accent-h); }
.header-auth__login {
  font-size: .75rem;
  letter-spacing: .03em;
  color: var(--color-text-muted);
  transition: color var(--transition);
  white-space: nowrap;
}
.header-auth__login:hover { color: var(--color-text); }

/* ログイン時：ユーザー名 + ドロップダウン */
.header-auth__user { position: relative; }
.header-auth__username {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--color-text);
  cursor: pointer;
  padding: 4px 0;
  white-space: nowrap;
}
.header-auth__username svg { opacity: .5; transition: transform var(--transition); }
.header-auth__user.is-open .header-auth__username svg { transform: rotate(180deg); }
.header-auth__dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  min-width: 110px;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 200;
}
.header-auth__user.is-open .header-auth__dropdown {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.header-auth__logout {
  display: block;
  padding: 10px 16px;
  font-size: .78rem;
  color: var(--color-text-muted);
  transition: background var(--transition), color var(--transition);
}
.header-auth__logout:hover {
  background: var(--color-bg-alt);
  color: var(--color-text);
}

@media (max-width: 768px) {
  .header-auth { display: none; }
}

/* ── NAV AUTH (hamburger menu) ──────────────────────────────────────────── */
.nav-auth {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(0,0,0,.08);
}
.nav-auth__register {
  display: block;
  text-align: center;
  padding: 13px 20px;
  background: var(--color-accent);
  color: #fff;
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .05em;
  border-radius: var(--radius-md);
  transition: background var(--transition);
}
.nav-auth__register:hover { background: var(--color-accent-h); }
.nav-auth__login {
  display: block;
  text-align: center;
  padding: 11px 20px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: .88rem;
  letter-spacing: .03em;
  transition: border-color var(--transition), color var(--transition);
}
.nav-auth__login:hover { border-color: var(--color-text-muted); color: var(--color-text); }
/* ログイン時：ユーザー名 + ログアウト（ハンバーガー） */
.nav-auth__user {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
}
.nav-auth__username {
  font-size: .88rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: .03em;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.nav-auth__logout {
  font-size: .78rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  padding: 4px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
  flex-shrink: 0;
}
.nav-auth__logout:hover {
  background: var(--color-border);
  color: var(--color-text);
}

/* ── SITE NOTICE (register / login / withdraw) ───────────────────────────── */
.site-notice {
  padding: 13px 24px;
  background: #F0F7F0;
  border-left: 3px solid #5BAD72;
  opacity: 1;
  transition: opacity 600ms ease;
}
.site-notice.is-hidden { opacity: 0; pointer-events: none; }
.site-notice__text {
  font-size: .875rem;
  color: #2D6A3F;
  text-align: center;
  letter-spacing: .02em;
}

/* Hide header/footer on auth pages for focus */
.page-template-page-register .site-header,
.page-template-page-login .site-header { box-shadow: none; border-bottom: 1px solid var(--color-border); }
.page-template-page-register .cat-strip,
.page-template-page-login .cat-strip { display: none; }

@media (max-width: 480px) {
  .auth-card { padding: 28px 20px 24px; }
}

/* ── PAGINATION ──────────────────────────────────────────────────────────── */
.pagination { margin-top: 48px; }
.pagination .nav-links { display: flex; gap: 6px; justify-content: center; flex-wrap: wrap; }
.pagination .page-numbers {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; font-weight: 600;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.pagination .page-numbers.current {
  background: #6BBF85;
  border-color: var(--color-text);
  color: #fff;
}
.pagination .page-numbers:hover:not(.current) {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.pagination .prev, .pagination .next { width: auto; padding: 0 14px; }

/* No posts */
.no-posts { text-align: center; padding: 80px 0; }
.no-posts p { font-size: 1rem; color: var(--color-text-muted); margin-bottom: 24px; }

/* Buttons */
.btn { display: inline-block; font-size: .8rem; font-weight: 700; padding: 12px 24px; border-radius: 4px; transition: all var(--transition); }
.btn--primary { background: var(--color-accent); color: #fff; }
.btn--primary:hover { background: var(--color-accent-h); }

/* ── ARCHIVE LAYOUT (sidebar) ────────────────────────────────────────────── */
.cat-section + .cat-section { border-top: 1px solid var(--color-border); padding-top: 56px; }

/* ══ RESPONSIVE ═════════════════════════════════════════════════════════════ */

@media ( max-width: 1100px ) {
  :root { --sidebar-w: 240px; }
  .container { padding: 0 24px; }
}

@media ( max-width: 767px ) {
  .container { padding-left: 16px; padding-right: 16px; }
}

@media ( max-width: 900px ) {
  .single-layout,
  .archive-layout {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 32px;
  }
  .card-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .featured-grid__inner { grid-template-columns: repeat(2, 1fr); }
  .site-footer__inner { grid-template-columns: 1fr; gap: 32px; }
}

@media ( max-width: 768px ) {
  :root { --rail-w: 0px; }
  body { padding-left: 0; }
  .site-rail { display: none !important; visibility: hidden !important; width: 0 !important; overflow: hidden !important; }
  /* header/cat-strip are in document flow — no left offset needed */

  .card-grid--3 { grid-template-columns: repeat(2, 1fr); }
  .card-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .card-grid--2 { grid-template-columns: 1fr; }
  .featured-grid__inner { grid-template-columns: 1fr; }

  .hero { aspect-ratio: 16 / 9; max-height: 460px; }
  .hero__content { padding: 28px 20px; }
  .hero__title { font-size: 1.2rem; }
  .hero__excerpt { display: none; }

  .section { padding: 40px 0; }
  .pdf-banner__inner { flex-direction: column; align-items: flex-start; gap: 20px; }

  .card--large { flex-direction: column; }
  .card--large .card__thumb { width: 100%; }

  .post-navigation { grid-template-columns: 1fr; }
  .post-navigation__next { border-left: none; border-top: 1px solid var(--color-border); }

  .cat-banner { height: auto; flex-direction: column; }
  .cat-banner__item { height: 100px; }

  /* cat-strip: 横スクロール on mobile */
  .cat-strip {
    height: var(--catstrip-h);
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
  }
  .cat-strip__inner {
    display: flex;
    flex-direction: row;
    white-space: nowrap;
    padding: 0 12px;
    gap: 0;
    height: 100%;
    align-items: center;
  }
  .cat-strip__item {
    height: 100%;
    padding: 0 14px;
    font-size: .68rem;
    border-right: 1px solid var(--color-border);
    border-bottom: none;
    flex-shrink: 0;
  }
  .archive-layout { padding-top: 24px; }
}

@media ( max-width: 540px ) {
  .card-grid--2,
  .card-grid--3,
  .card-grid--4 { grid-template-columns: 1fr; }

  .sidebar {
    grid-template-columns: 1fr;
  }

  .ranking-tabs { flex-direction: row; }
  /* asset-cta はすでに縦並びのため追加指定不要 */
  .pdf-cta { flex-direction: column; align-items: flex-start; }
  .pdf-cta__btn { width: 100%; text-align: center; justify-content: center; }

  .site-footer__bottom-inner { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* ── Accessibility ──────────────────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ── WordPress alignment ─────────────────────────────────────────────────── */
.aligncenter { display: block; margin: 24px auto; }
.alignleft { float: left; margin: 0 24px 12px 0; }
.alignright { float: right; margin: 0 0 12px 24px; }
.alignwide { margin-left: -32px; margin-right: -32px; }
.alignfull { margin-left: -32px; margin-right: -32px; border-radius: 0; }

/* WP Figure captions */
figcaption {
  font-size: .72rem;
  color: var(--color-text-sub);
  text-align: center;
  margin-top: 8px;
}

/* ── EDITORIAL COMMENT BLOCK ─────────────────────────────────────────────── */
.editorial-comment {
  margin-top: 48px;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 24px;
  background: #fafafa;
}
.post-content .editorial-comment__label,
.editorial-comment__label {
  font-size: .65rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #999;
  margin: 0 0 12px !important;
  padding: 0 !important;
}
.editorial-comment__author {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .9rem;
  font-weight: 700;
  color: #1a1a1a;
  margin: 0 0 12px !important;
  padding: 0 !important;
}
.editorial-comment__author-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 60%;
  flex-shrink: 0;
  display: block;
}
.editorial-comment__body {
  font-size: .9rem;
  line-height: 1.9;
  color: #333;
}
.editorial-comment__body p {
  margin: 0 0 .6em;
}
.editorial-comment__body p:last-child {
  margin-bottom: 0;
}
/* wpautop が挿入する余分な p をすべて非表示 */
.editorial-comment > p:not(.editorial-comment__label) {
  display: none !important;
  margin: 0 !important;
  padding: 0 !important;
  line-height: 0 !important;
}



/* ── FAQ Accordion ───────────────────────────────────────────────────────── */

/* ── FAQ Accordion ───────────────────────────────────────────────────────── */

/* ── FAQ Accordion (minimal) ─────────────────────────────────────────────── */
.post-navigation__prev,
.post-navigation__next { flex-direction: row; align-items: center; gap: 12px; }
.post-navigation__next { justify-content: flex-end; }
.post-navigation__thumb { flex-shrink: 0; width: 60px; height: 60px; border-radius: 6px; background-size: cover; background-position: center; }
.post-navigation__text { display: flex; flex-direction: column; gap: 4px; }

/* ── FAQ Accordion ───────────────────────────────────────────────────────── */
.post-faq { margin: 2.5rem 0; }
.post-faq__title { font-size: .78rem; font-weight: 600; color: #aaa; letter-spacing: .1em; text-transform: uppercase; margin: 0 0 .5rem; }
.post-faq__list { display: flex; flex-direction: column; }
.post-faq__item { border-top: 1px solid #ebebeb; }
.post-faq__item:last-child { border-bottom: 1px solid #ebebeb; }
.post-faq__btn { display: flex; align-items: center; width: 100%; padding: .75rem 0; background: none; border: none; cursor: pointer; text-align: left; gap: .7rem; }
.post-faq__btn span { flex: 1; font-size: .88rem; font-weight: 400; color: #777; line-height: 1.5; }
.post-faq__arrow { flex-shrink: 0; transition: transform .2s; color: #ccc; }
.post-faq__btn[aria-expanded="true"] .post-faq__arrow { transform: rotate(180deg); }

/* ── Share Buttons ───────────────────────────────────────────────────────── */
.share-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid #e5e5e5;
  color: #555;
  text-decoration: none;
  transition: background .15s, color .15s, border-color .15s;
  cursor: pointer;
  font-family: inherit;
  padding: 0;
  flex-shrink: 0;
}
.share-btn svg { width: 18px; height: 18px; display: block; }
.share-btn:hover { border-color: #ccc; }
.share-btn--x:hover      { background: #000; color: #fff; border-color: #000; }
.share-btn--fb:hover     { background: #1877f2; color: #fff; border-color: #1877f2; }
.share-btn--hatena:hover { background: #008fe6; color: #fff; border-color: #008fe6; }
.share-btn--rss:hover    { background: #f26522; color: #fff; border-color: #f26522; }
.share-btn--copy:hover   { background: #333; color: #fff; border-color: #333; }
.share-btn--copy.is-copied { background: #22c55e; color: #fff; border-color: #22c55e; }

/* PC: absolute within .single-main, scrolls with page */
.share-buttons:not(.share-buttons--inline) {
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: absolute;
  left: -56px;
  top: 0;
  z-index: 10;
}
/* PC版はSPで非表示 */
@media (max-width: 1099px) {
  .share-buttons:not(.share-buttons--inline) { display: none; }
}

/* SP inline version: hidden on PC */
.share-buttons--inline {
  display: none;
}
@media (max-width: 1099px) {
  .share-buttons--inline {
    display: flex;
    flex-direction: row;
    gap: 8px;
    margin: 2rem 0 0;
  }
}
.post-faq__a { padding: 0 0 .75rem; margin: 0; font-size: .85rem; line-height: 1.8; color: #999; }