/* ============================================================
   NORTH HILL Newsletter — Main Stylesheet v3.0.0
   参照デザイン踏襲 — メリハリ・ボールド・ビビッドブルー
============================================================ */

/* ────────────────────────────────────────
   リセット & ベース
──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  font-family: 'Noto Sans JP', ui-sans-serif, system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.625;
  color: var(--nhn-text);
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: var(--nhn-accent);
  color: #ffffff;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.2s; }
ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: 'Noto Sans JP', ui-sans-serif, system-ui, sans-serif;
  letter-spacing: -0.025em;
  color: var(--nhn-text);
  font-weight: 700;
}

/* ────────────────────────────────────────
   Custom Properties
──────────────────────────────────────── */
:root {
  --nhn-bg: #ffffff;
  --nhn-surface: #f8fafc;
  --nhn-border: #cbd5e1;
  --nhn-text: #0f172a;
  --nhn-text-muted: #475569;
  --nhn-accent: #2563eb;
  --nhn-accent-hover: #1d4ed8;
  --nhn-accent-light: #eff6ff;
  --nhn-purple: #7c3aed;
  --nhn-purple-bg: #f3f0ff;
  --nhn-purple-border: #c4b5fd;
  --nhn-yellow-bg: #fff8e6;
  --nhn-yellow-border: #f5d97a;
  --nhn-radius: 16px;
  --nhn-radius-sm: 12px;
  --nhn-shadow: 0 1px 3px rgba(0,0,0,0.06);
  --nhn-shadow-md: 0 4px 12px rgba(37,99,235,0.10);
  --nhn-shadow-lg: 0 10px 30px rgba(37,99,235,0.15);
  --nhn-shadow-xl: 0 20px 40px rgba(37,99,235,0.18);
  --nhn-site-padding: 1.5rem;
  --nhn-transition: 200ms ease;
  --nhn-header-height: 5rem;
}

@media (min-width: 768px) { :root { --nhn-site-padding: 3rem; } }

/* ────────────────────────────────────────
   スキップリンク & フォーカス
──────────────────────────────────────── */
.nhn-skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 100001;
  padding: 0.75rem 1.5rem;
  background: var(--nhn-accent);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: 0 0 8px 8px;
  text-decoration: none;
  transition: top 0.15s;
}
.nhn-skip-link:focus {
  top: 0;
  outline: 2px solid var(--nhn-accent);
  outline-offset: 2px;
}

:focus-visible {
  outline: 2px solid var(--nhn-accent);
  outline-offset: 2px;
}

/* ────────────────────────────────────────
   WP レイアウトリセット
──────────────────────────────────────── */
.wp-site-blocks { padding-top: 0 !important; }
.wp-site-blocks > * + * { margin-block-start: 0; }

/* 全幅ブレイクアウト */
.nhn-hero,
.nhn-newsletter-header,
.nhn-cta-band,
.nhn-footer,
.nhn-section--surface,
.nhn-section--bordered {
  width: 100vw;
  max-width: none;
  margin-left: calc(50% - 50vw) !important;
  margin-right: calc(50% - 50vw) !important;
}

/* 全セクション左右パディングを統一（ヘッダーと揃える） */
@media (min-width: 768px) {
  .nhn-section,
  .nhn-section--surface,
  .nhn-cta-band,
  .nhn-footer {
    padding-left: var(--nhn-site-padding) !important;
    padding-right: var(--nhn-site-padding) !important;
  }
}

/* ────────────────────────────────────────
   ヘッダー（透明→スクロールでblur白）
──────────────────────────────────────── */
.nhn-header {
  position: fixed !important;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent !important;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: none;
  width: auto !important;
  margin: 0 !important;
  padding: 0 !important;
  overflow: visible !important;
  transition: background 0.3s ease, backdrop-filter 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
}

.nhn-header.is-scrolled {
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--nhn-border), 0 4px 12px rgba(15,23,42,0.06);
  border-bottom: 1px solid var(--nhn-border);
}

.nhn-header__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--nhn-site-padding) !important;
  height: var(--nhn-header-height);
  display: flex !important;
  align-items: center;
  justify-content: space-between;
}

/* ロゴ */
.nhn-header .wp-block-site-title {
  font-size: 1.5rem !important;
  font-weight: 700 !important;
  letter-spacing: 0.1em !important;
}
.nhn-header .wp-block-site-title a {
  color: var(--nhn-text) !important;
  text-decoration: none !important;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
/* パルスドット */
.nhn-header .wp-block-site-title a::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--nhn-accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ナビゲーション */
.nhn-header__nav .wp-block-navigation__container {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: nowrap;
}

.nhn-header__nav .wp-block-navigation-item__content {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--nhn-text-muted);
  transition: color 0.2s;
  padding: 0;
}
.nhn-header__nav .wp-block-navigation-item__content:hover,
.nhn-header__nav .wp-block-navigation-item.current-menu-item .wp-block-navigation-item__content {
  color: var(--nhn-accent);
}

/* Nav CTA button */
.nhn-nav-cta .wp-block-navigation-item__content {
  background: var(--nhn-accent) !important;
  color: #ffffff !important;
  padding: 0.5rem 1.5rem !important;
  border: none !important;
  border-radius: 100px !important;
  font-size: 0.875rem !important;
  font-weight: 700 !important;
  transition: all 0.2s !important;
  box-shadow: 0 2px 8px rgba(37,99,235,0.25);
}
.nhn-nav-cta .wp-block-navigation-item__content:hover {
  background: var(--nhn-accent-hover) !important;
  color: #ffffff !important;
  box-shadow: 0 4px 12px rgba(37,99,235,0.35);
}

/* ハンバーガーアイコン */
.nhn-header .wp-block-navigation__responsive-container-open {
  display: flex !important;
  align-items: center;
  justify-content: center;
  color: var(--nhn-text);
  background: none;
  border: none;
  padding: 0.5rem;
}

/* PC: ハンバーガー非表示、ナビ常時表示 */
@media (min-width: 768px) {
  .nhn-header .wp-block-navigation__responsive-container-open,
  .nhn-header .wp-block-navigation__responsive-container-open.always-shown {
    display: none !important;
  }
  .nhn-header .wp-block-navigation__responsive-container,
  .nhn-header .wp-block-navigation__responsive-container:not(.is-menu-open) {
    display: flex !important;
    position: static !important;
    width: auto !important;
    height: auto !important;
    background: transparent !important;
    overflow: visible !important;
    visibility: visible !important;
    opacity: 1 !important;
  }
  .nhn-header .wp-block-navigation__responsive-container .wp-block-navigation__responsive-container-content,
  .nhn-header .wp-block-navigation__responsive-container .wp-block-navigation__responsive-close {
    display: contents;
  }
  .nhn-header .wp-block-navigation__responsive-container .wp-block-navigation__container {
    display: flex !important;
    flex-direction: row !important;
    align-items: center;
    gap: 2rem;
  }
  .nhn-header .wp-block-navigation__responsive-container-close { display: none !important; }
}
/* 600px-767px: ハンバーガー維持 */
@media (min-width: 600px) and (max-width: 767px) {
  .nhn-header .wp-block-navigation__responsive-container-open:not(.always-shown) { display: flex !important; }
  .nhn-header .wp-block-navigation__responsive-container:not(.is-menu-open) { display: none !important; }
}
.nhn-header .wp-block-navigation__responsive-container-close { color: var(--nhn-text); background: none; border: none; padding: 0.5rem; }

/* モバイルメニュー展開時 */
.nhn-header .wp-block-navigation__responsive-container.is-menu-open {
  position: fixed !important;
  top: 0 !important; left: 0 !important; right: 0 !important; bottom: 0 !important;
  width: 100% !important;
  height: 100vh !important; height: 100dvh !important;
  max-height: none !important;
  z-index: 100000;
  background: #ffffff !important;
  padding: 5rem 1.5rem 2rem !important;
  overflow-x: hidden !important; overflow-y: auto !important;
  visibility: visible !important; opacity: 1 !important;
  transform: none !important; clip-path: none !important;
  border-top: 1px solid var(--nhn-border);
  box-shadow: 0 8px 24px rgba(15,23,42,0.12);
}
.nhn-header .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation__responsive-container-content {
  display: flex !important; flex-direction: column !important; align-items: flex-start; gap: 0;
}
.nhn-header .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation-item {
  width: 100%; border-bottom: 1px solid var(--nhn-border);
}
.nhn-header .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation-item__content {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 0; font-size: 1rem !important; font-weight: 600; color: var(--nhn-text) !important;
  text-transform: none; letter-spacing: 0;
}
.nhn-header .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation__responsive-container-close {
  position: absolute; top: 1.25rem; right: 1rem; z-index: 210;
}

/* ────────────────────────────────────────
   ヒーローセクション（写真+白オーバーレイ）
──────────────────────────────────────── */
.nhn-hero {
  position: relative;
  background: var(--nhn-bg) !important;
  padding-top: 0 !important;
  padding-bottom: 0 !important;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.nhn-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--nhn-bg);
}

.nhn-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nhn-hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.20);
  backdrop-filter: blur(1px);
}

.nhn-hero__gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(255,255,255,1) 0%, rgba(255,255,255,0.80) 40%, rgba(255,255,255,0) 100%);
}

.nhn-hero__content {
  position: relative;
  z-index: 10;
  max-width: 1280px;
  margin: 0 auto;
  padding: calc(var(--nhn-header-height) + 5rem) var(--nhn-site-padding) 5rem;
  width: 100%;
}

.nhn-hero__label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--nhn-accent);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.nhn-hero__label::before {
  content: '';
  display: block;
  width: 2.5rem;
  height: 2px;
  background: var(--nhn-accent);
}

.nhn-hero h1 {
  font-size: 2.25rem;
  font-weight: 700 !important;
  letter-spacing: -0.025em !important;
  line-height: 1.35 !important;
  color: var(--nhn-text) !important;
  margin-bottom: 2.5rem !important;
  max-width: 48rem;
}

.nhn-hero__desc {
  font-size: 1.125rem;
  color: var(--nhn-text-muted);
  font-weight: 500;
  line-height: 1.8;
  margin-bottom: 4rem;
  max-width: 36rem;
}

.nhn-hero .wp-block-buttons {
  margin-top: 0 !important;
  gap: 1rem;
}

.nhn-hero .wp-block-button__link {
  font-weight: 700 !important;
  letter-spacing: 0.05em;
  transition: all 0.2s;
  border-radius: 100px !important;
  padding: 1rem 2rem !important;
  font-size: 0.875rem !important;
}

/* Primary CTA */
.nhn-hero .wp-block-button:not(.is-style-outline) .wp-block-button__link {
  background: var(--nhn-accent) !important;
  color: #ffffff !important;
  box-shadow: 0 4px 16px rgba(37,99,235,0.30);
}
.nhn-hero .wp-block-button:not(.is-style-outline) .wp-block-button__link:hover {
  background: var(--nhn-accent-hover) !important;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37,99,235,0.40);
}

/* Secondary CTA */
.nhn-hero .is-style-outline .wp-block-button__link {
  background: rgba(255,255,255,0.80) !important;
  backdrop-filter: blur(4px);
  border: 2px solid var(--nhn-border) !important;
  color: var(--nhn-text) !important;
  font-weight: 700 !important;
}
.nhn-hero .is-style-outline .wp-block-button__link:hover {
  border-color: var(--nhn-accent) !important;
  color: var(--nhn-accent) !important;
  background: rgba(255,255,255,0.90) !important;
}

@media (min-width: 768px) {
  .nhn-hero h1 { font-size: 3rem; }
  .nhn-hero__desc { font-size: 1.25rem; }
}
@media (min-width: 1024px) {
  .nhn-hero h1 { font-size: 3.75rem; }
}

/* ────────────────────────────────────────
   セクション共通
──────────────────────────────────────── */
.nhn-section {
  border-bottom: none;
}

.nhn-section--surface {
  background: var(--nhn-surface) !important;
  border-top: 1px solid var(--nhn-border);
  border-bottom: 1px solid var(--nhn-border);
}

.nhn-section-header {
  align-items: flex-end;
  margin-bottom: 4rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid var(--nhn-border);
}

.nhn-section-header .wp-block-heading {
  margin: 0 0 0.5rem !important;
  font-weight: 700 !important;
  letter-spacing: -0.025em !important;
  color: var(--nhn-text) !important;
}

.nhn-section-header__sub {
  color: var(--nhn-accent);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.nhn-section-header a {
  color: var(--nhn-text-muted) !important;
  font-weight: 600;
  font-size: 0.875rem;
  transition: color 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}
.nhn-section-header a:hover {
  color: var(--nhn-accent) !important;
}

/* ────────────────────────────────────────
   カードグリッド
──────────────────────────────────────── */
.nhn-card-grid {
  gap: 2rem !important;
  margin-top: 0;
}
.nhn-card-grid > li {
  display: flex;
}

.nhn-card {
  display: flex !important;
  flex-direction: column;
  width: 100%;
  overflow: hidden;
  background: var(--nhn-bg);
  border: 2px solid var(--nhn-border);
  border-radius: var(--nhn-radius) !important;
  padding: 1rem !important;
  transition: all 0.3s ease;
  box-shadow: var(--nhn-shadow);
}
.nhn-card > .wp-block-group:last-child {
  flex: 1;
  display: flex !important;
  flex-direction: column;
}
.nhn-card .wp-block-post-excerpt__excerpt {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.nhn-card:hover {
  border-color: var(--nhn-accent);
  box-shadow: var(--nhn-shadow-xl);
  transform: translateY(-8px);
}

.nhn-card .wp-block-post-featured-image { margin: 0; overflow: hidden; border-radius: var(--nhn-radius-sm); }
.nhn-card .wp-block-post-featured-image img {
  width: 100%; object-fit: cover;
  border-radius: var(--nhn-radius-sm);
  transition: transform 0.7s ease;
}
.nhn-card:hover .wp-block-post-featured-image img {
  transform: scale(1.10);
}

.nhn-card .wp-block-post-title {
  line-height: 1.4 !important;
}
.nhn-card .wp-block-post-title a {
  color: var(--nhn-text);
  font-weight: 700;
  text-decoration: none;
  transition: color 0.2s;
}
.nhn-card:hover .wp-block-post-title a {
  color: var(--nhn-accent);
}

.nhn-card .wp-block-post-excerpt {
  flex: 1;
  color: var(--nhn-text-muted);
}

.nhn-card .wp-block-post-date {
  color: var(--nhn-accent) !important;
  font-weight: 700 !important;
  letter-spacing: 0.08em;
  font-size: 0.75rem !important;
}

/* Feature cards */
.nhn-card--feature {
  border: 2px solid var(--nhn-border);
}
.nhn-card--feature:hover {
  border-color: var(--nhn-accent);
  box-shadow: var(--nhn-shadow-xl);
  transform: translateY(-8px);
}

/* ────────────────────────────────────────
   アーカイブ
──────────────────────────────────────── */
.nhn-archive {
  min-height: 60vh;
  padding-top: calc(var(--nhn-header-height) + 4rem) !important;
}

.nhn-archive__title {
  font-weight: 700 !important;
  letter-spacing: -0.025em !important;
  color: var(--nhn-text) !important;
  margin-bottom: 0.5rem !important;
}

/* ────────────────────────────────────────
   タグフィルター
──────────────────────────────────────── */
.nhn-tag-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0 2rem;
}

.nhn-tag-filter__btn {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--nhn-text-muted);
  background: var(--nhn-bg);
  border: 1px solid var(--nhn-border);
  border-radius: 100px;
  text-decoration: none;
  transition: all 0.2s;
}
.nhn-tag-filter__btn:hover {
  border-color: var(--nhn-accent);
  color: var(--nhn-accent);
  background: var(--nhn-accent-light);
}
.nhn-tag-filter__btn.is-active {
  background: var(--nhn-text);
  border-color: var(--nhn-text);
  color: #ffffff;
}

/* ────────────────────────────────────────
   Newsletter ヘッダー（単体ページ）
──────────────────────────────────────── */
.nhn-newsletter-header {
  background: var(--nhn-surface);
  color: var(--nhn-text);
  padding: calc(var(--nhn-header-height) + 4rem) var(--nhn-site-padding) 3.5rem;
  border-bottom: 1px solid var(--nhn-border);
}

.nhn-newsletter-header__inner {
  max-width: 800px;
  margin: 0 auto;
}

.nhn-newsletter-header__label {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--nhn-accent);
  margin-bottom: 1.25rem;
}

.nhn-newsletter-header__label::before {
  content: '';
  display: block;
  width: 1.5rem;
  height: 2px;
  background: var(--nhn-accent);
}

.nhn-newsletter-header__title {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.025em;
  margin: 0 0 1.25rem;
  color: var(--nhn-text);
}

.nhn-newsletter-header__meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--nhn-text-muted);
}

.nhn-newsletter-header__vol {
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--nhn-accent);
  background: var(--nhn-accent-light);
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  letter-spacing: 0.05em;
}

@media (min-width: 640px) {
  .nhn-newsletter-header {
    padding: calc(var(--nhn-header-height) + 5rem) var(--nhn-site-padding) 4.5rem;
  }
  .nhn-newsletter-header__title { font-size: 2.25rem; }
}

/* ────────────────────────────────────────
   ハイライトボックス
──────────────────────────────────────── */
.nhn-highlight-box {
  background: var(--nhn-accent-light);
  border-left: 4px solid var(--nhn-accent);
  border-radius: 0 var(--nhn-radius-sm) var(--nhn-radius-sm) 0;
  padding: 1.5rem 1.75rem;
  margin: 0 0 2.5rem;
}
.nhn-highlight-box p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--nhn-text);
}

/* ────────────────────────────────────────
   記事本文（Prose）
──────────────────────────────────────── */
.nhn-single-newsletter,
.nhn-single-article,
.nhn-page {
  min-height: 60vh;
}

.nhn-single-article {
  padding-top: calc(var(--nhn-header-height) + 4rem) !important;
}

.nhn-prose {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--nhn-text);
}
.nhn-prose h2,
.nhn-prose h3 {
  scroll-margin-top: calc(var(--nhn-header-height) + 1.5rem);
}
.nhn-prose h2 {
  font-size: 1.375rem;
  font-weight: 700;
  margin-top: 3rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--nhn-border);
  letter-spacing: -0.015em;
}
.nhn-prose h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}
.nhn-prose p { margin-bottom: 1.5rem; }
.nhn-prose ul, .nhn-prose ol { margin-bottom: 1.5rem; padding-left: 1.5rem; list-style: revert; }
.nhn-prose li { margin-bottom: 0.5rem; }
.nhn-prose a { color: var(--nhn-accent); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(37,99,235,0.3); }
.nhn-prose a:hover { text-decoration-color: var(--nhn-accent); }
.nhn-prose blockquote { border-left: 4px solid var(--nhn-accent); padding-left: 1.5rem; margin: 2rem 0; color: var(--nhn-text-muted); font-style: italic; }

/* ────────────────────────────────────────
   トピックセクション
──────────────────────────────────────── */
.nhn-topic {
  padding: 2.5rem 0;
  border-top: 1px solid var(--nhn-border);
}
.nhn-topic:first-child { border-top: none; }

.nhn-topic-number {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--nhn-accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.5rem !important;
}

.nhn-topic-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  margin-bottom: 0.75rem;
}
.nhn-topic-tag--why { background: var(--nhn-accent-light); color: var(--nhn-accent); }
.nhn-topic-tag--what { background: var(--nhn-surface); color: var(--nhn-text-muted); }

/* LLMO Trend */
.nhn-llmo-trend .nhn-topic-number { color: var(--nhn-purple); }
.nhn-llmo-trend .nhn-topic-tag { background: var(--nhn-purple-bg); color: var(--nhn-purple); }

/* Follow-up */
.nhn-followup .nhn-topic-number { color: var(--nhn-text-muted); }

/* ────────────────────────────────────────
   Impact / Action ボックス
──────────────────────────────────────── */
.nhn-impact-box {
  background: var(--nhn-yellow-bg);
  border: 1px solid var(--nhn-yellow-border);
  border-radius: var(--nhn-radius-sm);
  padding: 1.5rem 1.75rem;
  margin: 1.5rem 0;
}
.nhn-impact-box__title { font-size: 0.8125rem; font-weight: 700; margin: 0 0 0.75rem; color: var(--nhn-text); }
.nhn-impact-box ul { margin: 0; padding-left: 1.25rem; list-style: disc; }
.nhn-impact-box li { font-size: 0.875rem; line-height: 1.75; margin-bottom: 0.5rem; }

.nhn-action-box {
  background: var(--nhn-purple-bg);
  border: 1px solid var(--nhn-purple-border);
  border-radius: var(--nhn-radius-sm);
  padding: 1.5rem 1.75rem;
  margin: 1.5rem 0;
}
.nhn-action-box__title { font-size: 0.8125rem; font-weight: 700; margin: 0 0 0.75rem; color: var(--nhn-text); }
.nhn-action-box ul { margin: 0; padding-left: 1.25rem; list-style: disc; }
.nhn-action-box li { font-size: 0.875rem; line-height: 1.75; margin-bottom: 0.5rem; }

/* ────────────────────────────────────────
   用語解説
──────────────────────────────────────── */
.nhn-glossary {
  background: var(--nhn-surface);
  border: 1px solid var(--nhn-border);
  border-radius: var(--nhn-radius);
  padding: 2rem 2.25rem;
  margin-top: 2.5rem;
}
.nhn-glossary__title {
  font-size: 0.6875rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--nhn-text-muted); margin: 0 0 1.25rem;
}
.nhn-glossary dl { margin: 0; }
.nhn-glossary dt { font-size: 0.875rem; font-weight: 700; color: var(--nhn-text); margin-top: 1rem; }
.nhn-glossary dt:first-child { margin-top: 0; }
.nhn-glossary dd { font-size: 0.8125rem; line-height: 1.7; color: var(--nhn-text-muted); margin: 0.25rem 0 0 0; }

/* ────────────────────────────────────────
   来週の注目ポイント
──────────────────────────────────────── */
.nhn-next-watch {
  background: var(--nhn-surface);
  border: 1px solid var(--nhn-border);
  border-radius: var(--nhn-radius);
  padding: 2rem 2.25rem;
  margin-top: 2.5rem;
}
.nhn-next-watch .nhn-topic-number { color: var(--nhn-text-muted); }
.nhn-next-watch ul { list-style: disc; padding-left: 1.25rem; }
.nhn-next-watch li { font-size: 0.875rem; line-height: 1.8; margin-bottom: 0.75rem; color: var(--nhn-text-muted); }

/* ────────────────────────────────────────
   Newsletter ナビ（前号/次号）
──────────────────────────────────────── */
.nhn-newsletter-nav { border-top: 2px solid var(--nhn-border); padding-top: 2rem; }
.nhn-newsletter-nav__inner { display: flex; justify-content: space-between; align-items: center; }
.nhn-newsletter-nav__link {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.875rem; font-weight: 600;
  color: var(--nhn-text-muted); text-decoration: none;
  transition: color 0.2s;
}
.nhn-newsletter-nav__link:hover { color: var(--nhn-text); }
.nhn-newsletter-nav__link--prev:hover,
.nhn-newsletter-nav__link--next:hover { color: var(--nhn-accent); }

/* ────────────────────────────────────────
   シリーズナビ
──────────────────────────────────────── */
.nhn-series-nav {
  background: var(--nhn-surface);
  border: 1px solid var(--nhn-border);
  border-radius: var(--nhn-radius);
  padding: 1.75rem 2rem;
  margin-top: 2.5rem;
}
.nhn-series-nav__title { font-size: 0.875rem; font-weight: 700; color: var(--nhn-purple); margin: 0 0 1rem; }
.nhn-series-nav__list { margin: 0; padding-left: 1.5rem; list-style-type: decimal; }
.nhn-series-nav__item { font-size: 0.875rem; line-height: 2.2; }
.nhn-series-nav__item.is-current { font-weight: 700; color: var(--nhn-text); }
.nhn-series-nav__link { color: var(--nhn-accent); text-decoration: none; }
.nhn-series-nav__item.is-current .nhn-series-nav__link { color: var(--nhn-text); cursor: default; }

/* ────────────────────────────────────────
   購読フォーム
──────────────────────────────────────── */
.nhn-subscribe-form__inner { text-align: center; }
.nhn-subscribe-form__title { font-size: 1.5rem; font-weight: 700; margin: 0 0 0.5rem; letter-spacing: -0.025em; }
.nhn-subscribe-form__desc { font-size: 0.875rem; color: var(--nhn-text-muted); margin-bottom: 2.5rem; }
.nhn-subscribe-form__placeholder {
  font-size: 0.8125rem; color: var(--nhn-text-muted);
  font-style: italic;
}

/* Newsletter plugin overrides */
.nhn-subscribe-form .tnp-subscription { max-width: 480px; margin: 0 auto; }
.nhn-subscribe-form .tnp-field { margin-bottom: 0.75rem; }
.nhn-subscribe-form .tnp-field label { display: none; }
.nhn-subscribe-form .tnp-field label.screen-reader-text {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
  display: block;
}
.nhn-subscribe-form .tnp-field input[type="email"],
.nhn-subscribe-form .tnp-field input[type="text"] {
  width: 100%; padding: 1rem 1.5rem; font-size: 0.9375rem;
  border: 2px solid var(--nhn-border); border-radius: 100px;
  background: #ffffff; transition: border-color 0.2s;
}
/* インライン版: 横並び */
.nhn-subscribe-form--inline .tnp-subscription {
  display: flex; gap: 0.75rem; align-items: center;
  max-width: 560px;
}
.nhn-subscribe-form--inline .tnp-field-email { flex: 1; margin-bottom: 0; }
.nhn-subscribe-form--inline .tnp-field-button { margin-bottom: 0; }
.nhn-subscribe-form .tnp-field input:focus { outline: none; border-color: var(--nhn-accent); box-shadow: 0 0 0 3px rgba(37,99,235,0.12); }
.nhn-subscribe-form .tnp-field input[type="submit"] {
  display: inline-block; padding: 1rem 2.5rem;
  font-size: 0.9375rem; font-weight: 700;
  color: #ffffff; background: var(--nhn-accent); border: none;
  border-radius: 100px; cursor: pointer; transition: all 0.2s;
  box-shadow: 0 4px 16px rgba(37,99,235,0.30);
}
.nhn-subscribe-form .tnp-field input[type="submit"]:hover {
  background: var(--nhn-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37,99,235,0.40);
}

/* ────────────────────────────────────────
   CTA Band（購読セクション）
──────────────────────────────────────── */
.nhn-cta-band {
  text-align: center;
  background: var(--nhn-accent) !important;
  border-top: none;
}

.nhn-cta-band .wp-block-heading {
  letter-spacing: -0.025em !important;
  color: #ffffff !important;
  font-weight: 700 !important;
}

.nhn-cta-band p {
  color: rgba(255,255,255,0.85) !important;
}

.nhn-cta-band svg {
  stroke: #ffffff !important;
  opacity: 1 !important;
}

.nhn-cta-band .nhn-subscribe-form--full {
  background: #ffffff;
  padding: 2.5rem 3rem;
  border-radius: 1.5rem;
  border: 1px solid var(--nhn-border);
  box-shadow: 0 8px 30px rgba(15,23,42,0.10);
  max-width: 32rem;
  margin: 2.5rem auto 0;
}

/* CTA Band --light（ニュースレター単体ページ） */
.nhn-cta-band--light {
  background: var(--wp--preset--color--theme-accent-light, #eff6ff) !important;
}
.nhn-cta-band--light .wp-block-heading {
  color: var(--nhn-text) !important;
}
.nhn-cta-band--light p {
  color: var(--nhn-text-muted) !important;
}
.nhn-cta-band--light .nhn-subscribe-form--inline .tnp-subscription {
  max-width: 480px;
  margin: 1.5rem auto 0;
}

/* ────────────────────────────────────────
   記事ヘッダー（コラム・特集）
──────────────────────────────────────── */
.nhn-single-article__category a {
  color: var(--nhn-accent) !important;
  text-decoration: none !important;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

/* ────────────────────────────────────────
   フッター
──────────────────────────────────────── */
.nhn-footer {
  margin-top: 0 !important;
  background: #020617 !important;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.nhn-footer .wp-block-heading,
.nhn-footer p,
.nhn-footer ul,
.nhn-footer li {
  color: #94a3b8 !important;
}

.nhn-footer h2.wp-block-heading,
.nhn-footer h3.wp-block-heading {
  color: #ffffff !important;
}

/* パルスドット（フッターロゴ用） */
.nhn-footer__brand-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--nhn-accent);
  border-radius: 50%;
  margin-right: 0.5rem;
  vertical-align: middle;
}

.nhn-footer a { color: #94a3b8 !important; transition: color 0.2s; }
.nhn-footer a:hover { color: #ffffff !important; }
.nhn-footer .wp-block-separator { border-color: rgba(255,255,255,0.08) !important; background-color: rgba(255,255,255,0.08) !important; }
.nhn-footer__links { list-style: none; }
.nhn-footer__links li { list-style: none; }
.nhn-footer__links a { font-size: 1rem !important; font-weight: 500; }

/* フッター内 購読フォーム 余白調整 */
.nhn-footer .nhn-subscribe-form { margin-top: 1.5rem; }

/* ────────────────────────────────────────
   購読ページ
──────────────────────────────────────── */
.nhn-subscribe-hero {
  padding-top: calc(var(--nhn-header-height) + 4rem) !important;
}

.nhn-subscribe-content ul {
  list-style: disc;
  padding-left: 1.5rem;
}
.nhn-subscribe-content li {
  margin-bottom: 0.25rem;
}

/* ────────────────────────────────────────
   固定ページ
──────────────────────────────────────── */
.nhn-page {
  padding-top: calc(var(--nhn-header-height) + 4rem) !important;
}

/* ────────────────────────────────────────
   404
──────────────────────────────────────── */
.nhn-404 {
  padding-top: calc(var(--nhn-header-height) + 4rem) !important;
}

/* ────────────────────────────────────────
   アニメーション
──────────────────────────────────────── */
.nhn-animate {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.nhn-animate.is-visible { opacity: 1; transform: translateY(0); }

/* WP ページネーション */
.wp-block-query-pagination {
  gap: 0.5rem;
}
.wp-block-query-pagination .page-numbers {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 2.25rem; height: 2.25rem; padding: 0 0.5rem;
  font-size: 0.875rem; font-weight: 600;
  color: var(--nhn-text-muted); background: var(--nhn-bg);
  border: 1px solid var(--nhn-border); border-radius: 100px;
  text-decoration: none; transition: all 0.2s;
}
.wp-block-query-pagination .page-numbers:hover { border-color: var(--nhn-accent); color: var(--nhn-accent); }
.wp-block-query-pagination .page-numbers.current { background: var(--nhn-accent); border-color: var(--nhn-accent); color: #ffffff; }

/* ────────────────────────────────────────
   Empty state（コンテンツなし）
──────────────────────────────────────── */
.nhn-empty-state {
  padding: 5rem 2rem;
  text-align: center;
  background: #ffffff;
  border-radius: 1.5rem;
  border: 2px dashed var(--nhn-border);
  box-shadow: var(--nhn-shadow);
}

.nhn-empty-state p:first-child {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--nhn-text);
  letter-spacing: -0.025em;
}

.nhn-empty-state p:last-child {
  font-size: 1rem;
  color: var(--nhn-text-muted);
  margin-top: 1rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* ────────────────────────────────────────
   モバイル表示コントロール
──────────────────────────────────────── */
.nhn-hide-mobile { display: block; }
.nhn-show-mobile { display: none !important; }

@media (max-width: 767px) {
  .nhn-hide-mobile { display: none !important; }
  .nhn-show-mobile { display: block !important; }
}

.nhn-mobile-more-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 1rem;
  border: 1px solid var(--nhn-border);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--nhn-text);
  transition: border-color 0.2s, color 0.2s;
}
.nhn-mobile-more-link:hover {
  border-color: var(--nhn-accent);
  color: var(--nhn-accent);
}

/* ────────────────────────────────────────
   レスポンシブ
──────────────────────────────────────── */
@media (max-width: 1023px) {
  .nhn-card-grid { grid-template-columns: repeat(2, 1fr) !important; }
}

@media (max-width: 639px) {
  .nhn-card-grid { grid-template-columns: 1fr !important; }

  .nhn-hero { min-height: 100vh; min-height: 100dvh; }
  .nhn-hero h1 { font-size: 1.75rem !important; }

  .nhn-newsletter-header__title { font-size: 1.375rem; }

  .nhn-newsletter-nav__inner { flex-direction: column; gap: 1rem; }

  .nhn-footer .wp-block-columns { flex-direction: column !important; gap: 2rem !important; }
  .nhn-footer .wp-block-column { flex-basis: 100% !important; }

  .nhn-glossary, .nhn-series-nav, .nhn-next-watch { padding: 1.5rem; }

  .nhn-section-header { flex-direction: column; align-items: flex-start !important; gap: 0.5rem; }

  .nhn-cta-band .nhn-subscribe-form--full { padding: 1.5rem; }

  .nhn-toc { position: static; width: 100%; margin: 2rem 0; }

  .nhn-search-input__field { font-size: 0.875rem; padding: 0.75rem 1rem; }
}

/* ────────────────────────────────────────
   検索フィルター（Interactivity API）
──────────────────────────────────────── */
.nhn-archive-filter { margin: 2rem 0; }

.nhn-search-input {
  position: relative;
  max-width: 480px;
  margin: 0 0 1.5rem;
}
.nhn-search-input__field {
  width: 100%; padding: 0.875rem 2.5rem 0.875rem 1.25rem;
  font-size: 0.9375rem; font-family: inherit;
  border: 2px solid var(--nhn-border); border-radius: 100px;
  background: #ffffff; transition: border-color 0.2s;
  color: var(--nhn-text);
}
.nhn-search-input__field:focus {
  outline: none; border-color: var(--nhn-accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
}
.nhn-search-input__field::placeholder { color: var(--nhn-text-muted); }
.nhn-search-input__clear {
  position: absolute; right: 0.75rem; top: 50%;
  transform: translateY(-50%);
  background: none; border: none; cursor: pointer;
  font-size: 1.25rem; color: var(--nhn-text-muted);
  line-height: 1; padding: 0.25rem;
  transition: color 0.2s;
}
.nhn-search-input__clear:hover { color: var(--nhn-text); }
.nhn-search-input__clear.is-hidden { display: none; }

.nhn-search-loading {
  display: none; text-align: center;
  padding: 2rem; color: var(--nhn-text-muted);
  font-size: 0.875rem;
}
.nhn-search-loading.is-visible { display: block; }

/* 検索結果カード */
.nhn-search-results .nhn-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.nhn-card--search {
  background: #ffffff; border: 2px solid var(--nhn-border);
  border-radius: var(--nhn-radius); overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}
.nhn-card--search:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
}
.nhn-card--search .nhn-card__image img {
  width: 100%; aspect-ratio: 16/9; object-fit: cover;
  display: block;
}
.nhn-card--search .nhn-card__body { padding: 1.25rem; }
.nhn-card--search .nhn-card__date {
  font-size: 0.75rem; color: var(--nhn-text-muted);
}
.nhn-card--search .nhn-card__title {
  font-size: 1rem; font-weight: 600; line-height: 1.5;
  margin: 0.5rem 0 0.5rem;
}
.nhn-card--search .nhn-card__title a { color: var(--nhn-text); }
.nhn-card--search .nhn-card__title a:hover { color: var(--nhn-accent); }
.nhn-card--search .nhn-card__excerpt {
  font-size: 0.875rem; color: var(--nhn-text-muted);
  line-height: 1.7;
}

.nhn-empty-state {
  display: none; text-align: center;
  padding: 3rem; color: var(--nhn-text-muted);
}
.nhn-empty-state.is-visible { display: block; }

/* ────────────────────────────────────────
   目次（TOC — Interactivity API）
──────────────────────────────────────── */
.nhn-toc {
  background: var(--nhn-surface); border: 2px solid var(--nhn-border);
  border-radius: var(--nhn-radius); padding: 1.5rem 2rem;
  margin: 2rem 0;
}
.nhn-toc__header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1rem;
}
.nhn-toc__title {
  font-size: 0.9375rem; font-weight: 700;
  color: var(--nhn-text); margin: 0;
  letter-spacing: -0.025em;
}
.nhn-toc__toggle {
  background: none; border: none; cursor: pointer;
  font-size: 0.75rem; color: var(--nhn-text-muted);
  padding: 0.25rem; transition: transform 0.2s;
}
.nhn-toc__toggle-icon.is-closed { transform: rotate(-90deg); display: inline-block; }

.nhn-toc__list {
  list-style: none; margin: 0; padding: 0;
  border-left: 2px solid var(--nhn-border);
}
.nhn-toc__list.is-hidden { display: none; }

.nhn-toc__item {
  padding: 0.375rem 0 0.375rem 1.25rem;
  position: relative;
}
.nhn-toc__item--h3 { padding-left: 2.5rem; }

.nhn-toc__item::before {
  content: ''; position: absolute; left: -2px; top: 0; bottom: 0;
  width: 2px; background: transparent; transition: background 0.2s;
}
.nhn-toc__item.is-active::before { background: var(--nhn-accent); }

.nhn-toc__link {
  font-size: 0.875rem; color: var(--nhn-text-muted);
  text-decoration: none; transition: color 0.2s;
  line-height: 1.6;
}
.nhn-toc__link:hover { color: var(--nhn-accent); }
.nhn-toc__item.is-active .nhn-toc__link {
  color: var(--nhn-accent); font-weight: 600;
}

/* ============================================================
   Contact Form
============================================================ */
.nhn-contact-form { max-width: 640px; margin: 0 auto; }
.nhn-contact-form__field { margin-bottom: 1.5rem; }
.nhn-contact-form__field label {
  display: block; font-size: 0.875rem; font-weight: 600;
  color: var(--nhn-text); margin-bottom: 0.5rem;
}
.nhn-contact-form__field .required { color: #dc2626; }
.nhn-contact-form__field input,
.nhn-contact-form__field textarea {
  width: 100%; padding: 0.75rem 1rem;
  border: 2px solid var(--nhn-border); border-radius: 8px;
  font-size: 1rem; font-family: inherit;
  background: #fff; color: var(--nhn-text);
  transition: border-color 0.2s;
}
.nhn-contact-form__field input:focus,
.nhn-contact-form__field textarea:focus {
  outline: none; border-color: var(--nhn-accent);
}
.nhn-contact-form__submit { margin-top: 2rem; }
.nhn-contact-form__submit button {
  background: var(--nhn-accent); color: #fff;
  border: none; border-radius: 100px;
  padding: 1rem 2.5rem; font-size: 1rem; font-weight: 600;
  cursor: pointer; transition: background 0.2s, transform 0.2s;
}
.nhn-contact-form__submit button:hover {
  background: #1d4ed8; transform: translateY(-2px);
}
.nhn-contact-form__error {
  background: #fef2f2; border: 2px solid #fecaca; border-radius: 8px;
  padding: 1rem 1.5rem; margin-bottom: 2rem;
  color: #dc2626; font-size: 0.875rem; font-weight: 500;
}
.nhn-contact-thanks {
  text-align: center; padding: 3rem 1.5rem;
  background: var(--nhn-surface); border-radius: 12px;
  border: 2px solid var(--nhn-border);
}
.nhn-contact-thanks p {
  font-size: 1.125rem; line-height: 2; color: var(--nhn-text);
}

/* ────────────────────────────────────────
   トップへ戻るボタン
──────────────────────────────────────── */
.nhn-back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 900;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: var(--nhn-accent);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s, background 0.2s;
}
.nhn-back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nhn-back-to-top:hover {
  background: #1d4ed8;
  transform: translateY(-2px);
}
@media (max-width: 600px) {
  .nhn-back-to-top {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 40px;
    height: 40px;
  }
}

/* ────────────────────────────────────────
   著者ボックス（E-E-A-T）
──────────────────────────────────────── */
.nhn-author-box {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 2px solid var(--nhn-border);
}
.nhn-author-box__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.nhn-author-box__info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.nhn-author-box__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--nhn-muted);
}
.nhn-author-box__name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--nhn-text);
}
.nhn-author-box__title {
  font-size: 0.875rem;
  color: var(--nhn-muted);
}
.nhn-author-box__link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--nhn-accent);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s;
}
.nhn-author-box__link:hover {
  color: #1d4ed8;
}
@media (max-width: 600px) {
  .nhn-author-box__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}