/*
Theme Name: Drone Fukuoka
Theme URI: https://fukuoka.japan-drone-spot.site/
Description: 福岡・九州ドローン撮影コラムサイト by 0 to 1 Inc.
Author: 0 to 1 Inc.
Author URI: https://0-to-1.co.jp/
Version: 1.0.0
*/

/* ===== RESET ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: #f5f5f5;
  color: #101010;
  font-family: 'Noto Serif JP', serif;
  font-weight: 400;
  line-height: 1.8;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ===== NAV ===== */
#site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  height: 56px;
  background: rgba(245,245,245,.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(16,16,16,.07);
}
.nav-logo {
  font-family: 'EB Garamond', serif;
  font-size: .9rem;
  letter-spacing: .06em;
  color: #101010;
}
#site-nav .nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  padding: 0;
  margin: 0;
}
#site-nav .nav-links a {
  font-family: 'Noto Serif JP', serif;
  font-size: .78rem;
  letter-spacing: .08em;
  color: #101010;
  opacity: .55;
  transition: opacity .2s;
}
#site-nav .nav-links a:hover { opacity: 1; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background: #101010;
  transition: transform .35s, opacity .25s;
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu {
  position: fixed;
  inset: 0;
  background: #f5f5f5;
  z-index: 99;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .4s, visibility .4s;
}
.mobile-menu.open { opacity: 1; visibility: visible; pointer-events: auto; }
.mobile-menu a {
  font-family: 'Noto Serif JP', serif;
  font-size: .95rem;
  letter-spacing: .1em;
  color: rgba(16,16,16,.6);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .4s, transform .4s;
}
.mobile-menu.open a { opacity: 1; transform: translateY(0); }
.mobile-menu.open a:nth-child(1) { transition-delay: .05s; }
.mobile-menu.open a:nth-child(2) { transition-delay: .10s; }
.mobile-menu.open a:nth-child(3) { transition-delay: .15s; }

/* ===== CONTAINER ===== */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ===== HERO ===== */
#hero {
  position: relative;
  padding-top: 56px;
  background: #101010;
  overflow: hidden;
}
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .45;
  pointer-events: none;
}
.hero-video-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(16,16,16,.3) 0%, rgba(16,16,16,.7) 100%);
  pointer-events: none;
}
#hero .container {
  position: relative;
  z-index: 1;
}
.hero-inner {
  padding: 88px 0 80px;
}
.hero-label {
  font-family: 'EB Garamond', serif;
  font-size: .6rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: rgba(255,255,255,.25);
  display: flex;
  align-items: center;
  gap: .8rem;
  margin-bottom: 36px;
}
.hero-label::before {
  content: '';
  display: block;
  width: 1.6rem;
  height: 1px;
  background: rgba(255,255,255,.25);
}
.hero-heading {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1.5rem, 3.2vw, 2.4rem);
  font-weight: 400;
  color: #fff;
  letter-spacing: .06em;
  line-height: 1.7;
  margin-bottom: 24px;
}
.hero-sub {
  font-family: 'Noto Serif JP', serif;
  font-size: .8rem;
  color: rgba(255,255,255,.38);
  letter-spacing: .04em;
  line-height: 2;
  margin-bottom: 52px;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: 'Noto Serif JP', serif;
  font-size: .8rem;
  letter-spacing: .1em;
  color: #101010;
  background: rgba(255,255,255,.92);
  padding: 14px 32px;
  transition: background .2s, gap .2s;
}
.hero-cta:hover { background: #fff; gap: 20px; }

/* ===== ARCHIVE HERO ===== */
#archive-hero {
  padding-top: 56px;
  background: #101010;
}
.archive-hero-inner {
  padding: 64px 0 56px;
}
#archive-hero .hero-heading {
  font-size: clamp(1.2rem, 2.4vw, 1.8rem);
  margin-bottom: 12px;
}
#archive-hero .hero-sub {
  margin-bottom: 0;
}

/* ===== SECTION HEADER ===== */
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 48px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(16,16,16,.08);
}
.section-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(.95rem, 1.6vw, 1.1rem);
  font-weight: 400;
  color: #101010;
  letter-spacing: .06em;
}
.section-label {
  font-family: 'EB Garamond', serif;
  font-size: .62rem;
  letter-spacing: .22em;
  color: rgba(16,16,16,.3);
  text-transform: uppercase;
}

/* ===== ARTICLE GRID ===== */
#articles {
  padding: 80px 0;
}
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(16,16,16,.07);
  border: 1px solid rgba(16,16,16,.07);
}
.article-card {
  background: #f5f5f5;
  display: block;
  transition: background .2s;
}
.article-card:hover { background: #efefef; }
.article-card-thumb {
  aspect-ratio: 16/9;
  background: #e8e8e8;
  overflow: hidden;
}
.article-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .7s;
}
.article-card:hover .article-card-thumb img { transform: scale(1.04); }
.article-card-thumb-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(160deg, #d8d8d8, #e8e8e8);
}
.article-card-body {
  padding: 24px 28px 32px;
}
.article-cat {
  font-family: 'EB Garamond', serif;
  font-size: .6rem;
  letter-spacing: .2em;
  color: rgba(16,16,16,.38);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.article-card-title {
  font-family: 'Noto Serif JP', serif;
  font-size: .88rem;
  font-weight: 400;
  color: #101010;
  letter-spacing: .04em;
  line-height: 1.85;
  margin-bottom: 12px;
}
.article-card-excerpt {
  font-family: 'Noto Serif JP', serif;
  font-size: .75rem;
  color: rgba(16,16,16,.45);
  line-height: 2.2;
  letter-spacing: .03em;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.article-card-cat {
  font-family: 'EB Garamond', serif;
  font-size: .58rem;
  letter-spacing: .18em;
  color: rgba(16,16,16,.32);
  text-transform: uppercase;
}
.article-card-date {
  font-family: 'EB Garamond', serif;
  font-size: .6rem;
  letter-spacing: .08em;
  color: rgba(16,16,16,.28);
}

/* ===== PAGINATION ===== */
.drone-pagination {
  padding: 56px 0 8px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2px;
}
.drone-pagination .page-numbers {
  font-family: 'EB Garamond', serif;
  font-size: .82rem;
  letter-spacing: .08em;
  color: rgba(16,16,16,.38);
  min-width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  transition: border-color .2s, color .2s, background .2s;
}
.drone-pagination .page-numbers:hover {
  color: #101010;
  border-color: rgba(16,16,16,.12);
}
.drone-pagination .page-numbers.current {
  color: #101010;
  border-color: #101010;
  background: transparent;
}
.drone-pagination .page-numbers.dots {
  border: none;
  color: rgba(16,16,16,.2);
  pointer-events: none;
}
.drone-pagination .prev,
.drone-pagination .next {
  font-family: 'EB Garamond', serif;
  font-size: .72rem;
  letter-spacing: .12em;
  padding: 0 16px;
  min-width: auto;
}

/* ===== AIO SUMMARY BOX ===== */
.aio-summary-box {
  border: 1px solid rgba(16,16,16,.1);
  margin: 0 0 48px;
}
.aio-summary-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  cursor: pointer;
  user-select: none;
  background: rgba(16,16,16,.03);
  border-bottom: 1px solid transparent;
  transition: background .2s, border-color .2s;
  font-family: 'Noto Serif JP', serif;
  font-size: .78rem;
  font-weight: 500;
  color: rgba(16,16,16,.65);
  letter-spacing: .06em;
}
.aio-summary-title:hover { background: rgba(16,16,16,.055); }
.aio-summary-box.is-open .aio-summary-title {
  border-bottom-color: rgba(16,16,16,.08);
}
.aio-summary-toggle {
  width: 18px;
  height: 18px;
  position: relative;
  flex-shrink: 0;
}
.aio-summary-toggle::before,
.aio-summary-toggle::after {
  content: '';
  position: absolute;
  background: rgba(16,16,16,.35);
  transition: transform .35s ease, opacity .25s ease;
}
.aio-summary-toggle::before {
  width: 10px;
  height: 1px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.aio-summary-toggle::after {
  width: 1px;
  height: 10px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.aio-summary-box.is-open .aio-summary-toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}
.aio-summary-content {
  overflow: hidden;
  max-height: 0;
  transition: max-height .45s ease, padding .3s ease;
  padding: 0 24px;
  font-family: 'Noto Serif JP', serif;
  font-size: .8rem;
  color: rgba(16,16,16,.65);
  line-height: 2.4;
  letter-spacing: .03em;
}
.aio-summary-box.is-open .aio-summary-content {
  max-height: 800px;
  padding: 24px;
}
.aio-summary-content p { margin-bottom: 16px; }
.aio-summary-content p:last-child { margin-bottom: 0; }
.aio-summary-content ul {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
}
.aio-summary-content ul li {
  padding: 8px 0 8px 16px;
  border-bottom: 1px solid rgba(16,16,16,.05);
  position: relative;
  font-size: .78rem;
  color: rgba(16,16,16,.6);
  line-height: 2;
}
.aio-summary-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 17px;
  width: 5px;
  height: 1px;
  background: rgba(16,16,16,.25);
}
.aio-summary-content strong {
  color: #101010;
  font-weight: 500;
}

/* ===== CATEGORY SECTION ===== */
#categories {
  padding: 0 0 80px;
}
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(16,16,16,.07);
  border: 1px solid rgba(16,16,16,.07);
}
.cat-card {
  background: #f5f5f5;
  padding: 36px 32px;
  display: block;
  transition: background .2s;
}
.cat-card:hover { background: #efefef; }
.cat-num {
  font-family: 'EB Garamond', serif;
  font-size: 2.2rem;
  color: rgba(16,16,16,.06);
  line-height: 1;
  margin-bottom: 16px;
}
.cat-name {
  font-family: 'Noto Serif JP', serif;
  font-size: .88rem;
  color: #101010;
  letter-spacing: .06em;
  margin-bottom: 10px;
  line-height: 1.6;
}
.cat-desc {
  font-family: 'Noto Serif JP', serif;
  font-size: .72rem;
  color: rgba(16,16,16,.42);
  line-height: 2.2;
  letter-spacing: .03em;
  margin-bottom: 16px;
}
.cat-count {
  font-family: 'EB Garamond', serif;
  font-size: .6rem;
  letter-spacing: .16em;
  color: rgba(16,16,16,.28);
}

/* ===== CTA BANNER ===== */
#cta-banner {
  background: #101010;
  padding: 100px 0;
}
.cta-banner-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: center;
}
.cta-banner-label {
  font-family: 'EB Garamond', serif;
  font-size: .6rem;
  letter-spacing: .28em;
  color: rgba(255,255,255,.28);
  text-transform: uppercase;
  display: block;
  margin-bottom: 20px;
}
.cta-banner-heading {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1.2rem, 2.4vw, 1.8rem);
  font-weight: 400;
  color: #fff;
  letter-spacing: .08em;
  line-height: 1.9;
  margin-bottom: 12px;
}
.cta-banner-sub {
  font-family: 'Noto Serif JP', serif;
  font-size: .78rem;
  color: rgba(255,255,255,.35);
  line-height: 2.2;
  letter-spacing: .04em;
}
.cta-banner-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: 'Noto Serif JP', serif;
  font-size: .8rem;
  letter-spacing: .16em;
  color: #101010;
  background: #f5f5f5;
  padding: 18px 40px;
  white-space: nowrap;
  transition: background .2s;
}
.cta-banner-btn:hover { background: #fff; }

/* ===== ARTICLE LAYOUT ===== */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 64px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 56px 40px 0;
}
.article-main { min-width: 0; }

/* BREADCRUMB */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 32px 0 40px;
  font-family: 'EB Garamond', serif;
  font-size: .62rem;
  letter-spacing: .1em;
  color: rgba(16,16,16,.3);
  flex-wrap: wrap;
}
.breadcrumb a { color: rgba(16,16,16,.4); transition: color .2s; }
.breadcrumb a:hover { color: #101010; }
.breadcrumb-sep { opacity: .3; }

/* ARTICLE HEADER */
.article-header {
  margin-bottom: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(16,16,16,.08);
}
.article-cat-badge {
  font-family: 'EB Garamond', serif;
  font-size: .6rem;
  letter-spacing: .2em;
  color: rgba(16,16,16,.38);
  text-transform: uppercase;
  display: inline-block;
  border: 1px solid rgba(16,16,16,.15);
  padding: 3px 12px;
  margin-bottom: 20px;
}
.article-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1.2rem, 2.4vw, 1.7rem);
  font-weight: 400;
  color: #101010;
  letter-spacing: .05em;
  line-height: 1.9;
  margin-bottom: 20px;
}
.article-info {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: 'EB Garamond', serif;
  font-size: .65rem;
  letter-spacing: .1em;
  color: rgba(16,16,16,.3);
  flex-wrap: wrap;
}
.article-thumb {
  width: 100%;
  aspect-ratio: 16/9;
  background: #e0e0e0;
  overflow: hidden;
  margin-bottom: 48px;
}
.article-thumb img { width: 100%; height: 100%; object-fit: cover; }
.article-thumb-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(160deg, #d0d8e0 0%, #e0eaf0 100%);
}

/* ARTICLE BODY */
.article-body { font-size: .88rem; line-height: 2.8; letter-spacing: .04em; color: #1a1a1a; }
.article-body h2 {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.05rem;
  font-weight: 400;
  color: #101010;
  letter-spacing: .06em;
  line-height: 1.7;
  margin: 56px 0 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(16,16,16,.1);
}
.article-body h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: .92rem;
  font-weight: 500;
  color: #101010;
  letter-spacing: .05em;
  line-height: 1.7;
  margin: 36px 0 14px;
}
.article-body p { margin-bottom: 24px; }
.article-body ul {
  margin: 20px 0 28px 0;
  padding-left: 0;
  list-style: none;
}
.article-body ul li {
  padding: 10px 0 10px 20px;
  border-bottom: 1px solid rgba(16,16,16,.06);
  position: relative;
  font-size: .85rem;
  color: rgba(16,16,16,.75);
  line-height: 1.9;
}
.article-body ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 19px;
  width: 6px;
  height: 1px;
  background: rgba(16,16,16,.3);
}
.article-body .note {
  background: rgba(16,16,16,.03);
  border-left: 2px solid rgba(16,16,16,.12);
  padding: 20px 24px;
  margin: 24px 0;
  font-size: .82rem;
  color: rgba(16,16,16,.55);
  line-height: 2.2;
}

/* PRICE TABLE */
.price-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0 32px;
  font-family: 'Noto Serif JP', serif;
  font-size: .82rem;
}
.price-table th {
  background: #101010;
  color: #f5f5f5;
  padding: 12px 20px;
  text-align: left;
  font-weight: 400;
  letter-spacing: .06em;
  font-size: .75rem;
}
.price-table td {
  padding: 14px 20px;
  border-bottom: 1px solid rgba(16,16,16,.07);
  color: rgba(16,16,16,.75);
  line-height: 1.7;
}
.price-table tr:last-child td { border-bottom: none; }
.price-table tr:nth-child(even) td { background: rgba(16,16,16,.02); }
.price-highlight { color: #101010; font-weight: 500; }

/* INLINE CTA */
.inline-cta {
  background: #101010;
  padding: 40px 44px;
  margin: 48px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.inline-cta-text {
  font-family: 'Noto Serif JP', serif;
  font-size: .88rem;
  color: rgba(255,255,255,.85);
  letter-spacing: .05em;
  line-height: 1.9;
}
.inline-cta-text small {
  display: block;
  font-size: .72rem;
  color: rgba(255,255,255,.4);
  margin-top: 4px;
  letter-spacing: .04em;
}
.inline-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'Noto Serif JP', serif;
  font-size: .78rem;
  letter-spacing: .14em;
  color: #101010;
  background: #f5f5f5;
  padding: 14px 32px;
  white-space: nowrap;
  transition: background .2s;
}
.inline-cta-btn:hover { background: #fff; }

/* ARTICLE FOOTER CTA */
.article-footer-cta {
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid rgba(16,16,16,.08);
}
.article-footer-cta-label {
  font-family: 'EB Garamond', serif;
  font-size: .6rem;
  letter-spacing: .24em;
  color: rgba(16,16,16,.3);
  text-transform: uppercase;
  display: block;
  margin-bottom: 16px;
}
.article-footer-cta-heading {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.1rem;
  font-weight: 400;
  color: #101010;
  letter-spacing: .06em;
  line-height: 1.9;
  margin-bottom: 12px;
}
.article-footer-cta-body {
  font-family: 'Noto Serif JP', serif;
  font-size: .8rem;
  color: rgba(16,16,16,.5);
  line-height: 2.4;
  letter-spacing: .04em;
  margin-bottom: 28px;
}
.lp-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: 'Noto Serif JP', serif;
  font-size: .82rem;
  letter-spacing: .16em;
  color: #f5f5f5;
  background: #101010;
  padding: 16px 40px;
  transition: opacity .2s;
}
.lp-cta-btn:hover { opacity: .8; }

/* RELATED */
.related {
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid rgba(16,16,16,.08);
}
.related-title {
  font-family: 'EB Garamond', serif;
  font-size: .62rem;
  letter-spacing: .24em;
  color: rgba(16,16,16,.3);
  text-transform: uppercase;
  margin-bottom: 28px;
}
.related-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(16,16,16,.07);
  border: 1px solid rgba(16,16,16,.07);
}
.related-card {
  background: #f5f5f5;
  display: block;
  padding: 24px 28px;
  transition: background .2s;
}
.related-card:hover { background: #efefef; }
.related-card-cat {
  font-family: 'EB Garamond', serif;
  font-size: .58rem;
  letter-spacing: .18em;
  color: rgba(16,16,16,.3);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.related-card-title {
  font-family: 'Noto Serif JP', serif;
  font-size: .82rem;
  color: #101010;
  letter-spacing: .04em;
  line-height: 1.85;
}

/* ===== SIDEBAR ===== */
.article-sidebar { padding-top: 120px; }
.sidebar-widget { margin-bottom: 40px; }
.sidebar-widget-title {
  font-family: 'EB Garamond', serif;
  font-size: .6rem;
  letter-spacing: .24em;
  color: rgba(16,16,16,.3);
  text-transform: uppercase;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(16,16,16,.08);
}
.sidebar-cta {
  background: #101010;
  padding: 32px 28px;
  margin-bottom: 32px;
}
.sidebar-cta-label {
  font-family: 'EB Garamond', serif;
  font-size: .58rem;
  letter-spacing: .22em;
  color: rgba(255,255,255,.3);
  text-transform: uppercase;
  display: block;
  margin-bottom: 14px;
}
.sidebar-cta-heading {
  font-family: 'Noto Serif JP', serif;
  font-size: .88rem;
  font-weight: 400;
  color: #fff;
  letter-spacing: .05em;
  line-height: 1.85;
  margin-bottom: 10px;
}
.sidebar-cta-body {
  font-family: 'Noto Serif JP', serif;
  font-size: .72rem;
  color: rgba(255,255,255,.38);
  line-height: 2.2;
  letter-spacing: .03em;
  margin-bottom: 24px;
}
.sidebar-cta-btn {
  display: block;
  text-align: center;
  font-family: 'Noto Serif JP', serif;
  font-size: .75rem;
  letter-spacing: .14em;
  color: #101010;
  background: rgba(255,255,255,.88);
  padding: 12px 20px;
  transition: background .2s;
}
.sidebar-cta-btn:hover { background: #fff; }
.sidebar-nav-list { display: flex; flex-direction: column; }
.sidebar-nav-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid rgba(16,16,16,.06);
  font-family: 'Noto Serif JP', serif;
  font-size: .78rem;
  color: rgba(16,16,16,.6);
  letter-spacing: .04em;
  line-height: 1.7;
  transition: color .2s;
}
.sidebar-nav-item:hover { color: #101010; }
.sidebar-nav-item::after {
  content: '→';
  font-family: 'EB Garamond', serif;
  font-size: .7rem;
  color: rgba(16,16,16,.2);
}
.recent-list { display: flex; flex-direction: column; }
.recent-item {
  display: block;
  padding: 16px 0;
  border-bottom: 1px solid rgba(16,16,16,.06);
  transition: opacity .2s;
}
.recent-item:hover { opacity: .7; }
.recent-item-cat {
  font-family: 'EB Garamond', serif;
  font-size: .56rem;
  letter-spacing: .16em;
  color: rgba(16,16,16,.3);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.recent-item-title {
  font-family: 'Noto Serif JP', serif;
  font-size: .78rem;
  color: #101010;
  letter-spacing: .03em;
  line-height: 1.75;
}

/* ===== FOOTER ===== */
footer {
  margin-top: 80px;
  padding: 48px 0 32px;
  border-top: 1px solid rgba(16,16,16,.07);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-logo {
  font-family: 'EB Garamond', serif;
  font-size: .9rem;
  letter-spacing: .06em;
  color: rgba(16,16,16,.5);
  display: block;
  margin-bottom: 8px;
}
.footer-desc {
  font-family: 'Noto Serif JP', serif;
  font-size: .72rem;
  color: rgba(16,16,16,.35);
  letter-spacing: .04em;
  line-height: 2;
}
.footer-nav {
  display: flex;
  gap: 24px;
}
.footer-nav a {
  font-family: 'Noto Serif JP', serif;
  font-size: .72rem;
  letter-spacing: .06em;
  color: rgba(16,16,16,.4);
  transition: color .2s;
}
.footer-nav a:hover { color: #101010; }
.footer-copy {
  font-family: 'EB Garamond', serif;
  font-size: .62rem;
  letter-spacing: .1em;
  color: rgba(16,16,16,.25);
  padding-top: 24px;
  border-top: 1px solid rgba(16,16,16,.06);
}

/* ===== REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .9s ease, transform .9s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: .1s; }
.reveal-d2 { transition-delay: .2s; }
.reveal-d3 { transition-delay: .3s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 960px) {
  #site-nav { padding: 0 24px; }
  #site-nav .nav-links { display: none; }
  .hamburger { display: flex; }
  .container { padding: 0 24px; }

  .articles-grid { grid-template-columns: 1fr 1fr; }
  .cat-grid { grid-template-columns: 1fr 1fr; }
  .cta-banner-inner { grid-template-columns: 1fr; gap: 32px; }
  .cta-banner-btn { width: 100%; justify-content: center; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-nav { flex-wrap: wrap; gap: 16px; }

  .article-layout {
    grid-template-columns: 1fr;
    padding: 56px 24px 0;
    gap: 0;
  }
  .article-sidebar { padding-top: 48px; }
  .related-grid { grid-template-columns: 1fr; }
  .inline-cta { flex-direction: column; align-items: flex-start; gap: 20px; padding: 32px 28px; }
  .inline-cta-btn { width: 100%; justify-content: center; }
}
@media (max-width: 960px) {
  .hero-sub-br { display: none; }
  .sp-hide { display: none; }
}
@media (max-width: 600px) {
  .articles-grid { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: 1fr; }
  #articles { padding: 56px 0; }
  #categories { padding: 0 0 56px; }
  #cta-banner { padding: 72px 0; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-nav { flex-wrap: wrap; gap: 16px; }
}