/* ============================================
   LifeUp Theme — Main CSS
   Monochrome Minimal Editorial Design
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;500&family=Noto+Sans+JP:wght@300;400;500;700&family=Inter:wght@300;400;500&display=swap');

/* --- Design Tokens --- */
:root {
  --c-bg:           #ffffff;
  --c-surface:      #f7f7f6;
  --c-surface-2:    #f0efed;
  --c-black:        #111111;
  --c-dark:         #2a2a2a;
  --c-text:         #333333;
  --c-meta:         #888888;
  --c-light:        #bbbbbb;
  --c-border:       #e4e4e4;
  --c-border-dark:  #c8c8c8;

  --font-base:      'Noto Sans JP', -apple-system, sans-serif;
  --font-display:   'Cormorant Garamond', Georgia, serif;
  --font-latin:     'Inter', sans-serif;

  --size-base:      15px;
  --lh-base:        1.9;

  /* Layout */
  --max-content:    900px;
  --max-wide:       1200px;
  --pad-x:          5%;

  /* Motion */
  --tr:             0.12s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: var(--size-base); scroll-behavior: smooth; }

body {
  font-family: var(--font-base);
  font-weight: 400;
  line-height: var(--lh-base);
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; background: none; border: none; font-family: inherit; }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  color: var(--c-black);
  line-height: 1.4;
  letter-spacing: -0.01em;
}

/* --- Layout Utilities --- */
.container-wide {
  width: 100%;
  max-width: var(--max-wide);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.container-content {
  width: 100%;
  max-width: var(--max-content);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--c-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: var(--max-wide);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.site-logo a { transition: opacity var(--tr); }
.site-logo a:hover { opacity: 0.6; }

.logo-mark {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-dot {
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-black);
  flex-shrink: 0;
  transition: transform 0.22s ease;
}
.logo-mark:hover .logo-dot {
  transform: scale(1.4);
}

.logo-text {
  font-family: var(--font-latin);
  font-size: 1.05rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--c-black);
  text-transform: none;
}

/* Nav */
.global-nav { display: flex; align-items: center; gap: 32px; }

.global-nav a {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-dark);
  position: relative;
  padding-bottom: 2px;
  transition: color var(--tr);
}

.global-nav a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--c-black);
  transition: width var(--tr);
}

.global-nav a:hover { color: var(--c-black); }
.global-nav a:hover::after { width: 100%; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  gap: 5px;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--c-black);
  border: none;
  cursor: pointer;
  padding: 0 14px 0 0;
  flex-shrink: 0;
  z-index: 1200;
}

.hamburger span {
  display: block;
  height: 1.5px;
  background: var(--c-bg);
  border-radius: 2px;
  transition: transform 0.28s ease, opacity 0.28s ease, width 0.28s ease;
}
.hamburger span:nth-child(1) { width: 22px; }
.hamburger span:nth-child(2) { width: 18px; }
.hamburger span:nth-child(3) { width: 14px; }

.hamburger.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); width: 22px; }
.hamburger.is-open span:nth-child(2) { opacity: 0; width: 22px; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); width: 22px; }

/* Nav Overlay */
.nav-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1050;
}
.nav-overlay.is-open { display: block; }

/* Mobile Nav */
.mobile-nav {
  display: flex;
  flex-direction: column;
  position: fixed; inset: 0;
  background: var(--c-black);
  z-index: 1100;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-16px);
  transition: opacity 0.22s ease, visibility 0.22s, transform 0.22s ease;
}
.mobile-nav.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-nav__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  flex-shrink: 0;
}

.mobile-nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-latin);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--c-bg);
}

.mobile-logo-dot {
  display: block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--c-bg);
  flex-shrink: 0;
}

.mobile-nav__close {
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.12);
  border: none; border-radius: 50%;
  cursor: pointer;
  color: var(--c-bg);
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s;
}
.mobile-nav__close:hover { background: rgba(255,255,255,0.25); }

.mobile-nav__list {
  list-style: none;
  flex: 1;
  padding: 4px 0;
}

.mobile-nav__item {
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.mobile-nav__row {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px;
  background: none; border: none;
  color: var(--c-bg);
  font-size: 1rem; font-weight: 700;
  font-family: var(--font-base);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s;
  letter-spacing: 0.02em;
}
.mobile-nav__row:hover { background: rgba(255,255,255,0.08); }

.mobile-nav__plus {
  color: rgba(255,255,255,0.5);
  font-size: 1.4rem; font-weight: 300; line-height: 1;
  transition: transform 0.22s ease;
}
.mobile-nav__item.is-open .mobile-nav__plus { transform: rotate(45deg); }

.mobile-nav__arrow {
  color: rgba(255,255,255,0.35);
  font-size: 0.78rem;
}

.mobile-nav__sub {
  display: none;
  background: rgba(255,255,255,0.04);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.mobile-nav__item.is-open .mobile-nav__sub { display: block; }

.mobile-nav__sub-list { list-style: none; }
.mobile-nav__sub-list li a {
  display: flex; align-items: center;
  padding: 14px 24px 14px 32px;
  color: rgba(255,255,255,0.72);
  font-size: 0.88rem; font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background 0.15s;
}
.mobile-nav__sub-list li a:hover { background: rgba(255,255,255,0.1); }

.mobile-nav__footer {
  padding: 28px 20px 48px;
  flex-shrink: 0;
  border-top: 1px solid rgba(255,255,255,0.12);
}

.mobile-nav__top-link {
  display: block;
  text-align: center;
  padding: 14px;
  border: 1px solid rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.7);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  transition: background 0.15s, color 0.15s;
}
.mobile-nav__top-link:hover {
  background: rgba(255,255,255,0.1);
  color: var(--c-bg);
}

/* ============================================
   HERO SLIDER — Front Page
   ============================================ */

.hero-slider-section {
  overflow: hidden;
  padding-bottom: 0;
}

/* Site title block */
.hero-title-block {
  text-align: center;
  padding: 56px var(--pad-x) 40px;
}

.hero-eyebrow {
  font-family: var(--font-latin);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-light);
  margin-bottom: 12px;
}

.hero-site-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 300;
  color: var(--c-black);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

/* Slider outer: overflow hidden clips the sides */
.slider-outer {
  position: relative;
  width: 100%;
  overflow: hidden;
  padding-bottom: 48px;
}

/* Track */
.slider-track {
  display: flex;
  align-items: stretch;
  will-change: transform;
  /* transition set by JS to allow instant jump */
}

/* Each slide */
.slider-item {
  flex-shrink: 0;
  width: 60%;
  padding: 0 14px;
  transition: opacity 0.38s ease, transform 0.38s ease;
  opacity: 0.42;
  transform: scale(0.88);
}

.slider-item.is-active {
  opacity: 1;
  transform: scale(1);
}

/* Card */
.slider-card {
  display: block;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--c-border);
  background: var(--c-black);
}

.slider-card-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
}

.slider-card-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease, filter 0.4s ease;
  filter: brightness(0.5);
}

.slider-item.is-active .slider-card-media img {
  filter: brightness(0.88);
}

.slider-card:hover .slider-card-media img {
  transform: scale(1.03);
}

.slider-no-thumb {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: #2c2c2c;
  background-image: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 8px,
    rgba(255,255,255,0.03) 8px,
    rgba(255,255,255,0.03) 16px
  );
  color: rgba(255,255,255,0.25);
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: 0.1em;
}

/* Card overlay — visible only on active */
.slider-card-overlay {
  position: absolute;
  bottom: 0; left: 0;
  width: 60%;
  background: var(--c-bg);
  padding: 18px 22px 22px;
  transform: translateY(8px);
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}

.slider-item.is-active .slider-card-overlay {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.overlay-cat {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-bg);
  background: var(--c-black);
  padding: 3px 8px;
  margin-bottom: 10px;
  font-family: var(--font-latin);
}

.overlay-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--c-black);
  line-height: 1.6;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.overlay-btn {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c-black);
  font-family: var(--font-latin);
  border-bottom: 1px solid var(--c-black);
  padding-bottom: 1px;
  transition: opacity var(--tr);
}
.overlay-btn:hover { opacity: 0.6; }

/* Arrows */
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(calc(-50% - 24px));
  z-index: 20;
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1px solid var(--c-border-dark);
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(4px);
  color: var(--c-dark);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--tr), border-color var(--tr), transform var(--tr);
}
.slider-arrow:hover {
  background: var(--c-black);
  border-color: var(--c-black);
  color: var(--c-bg);
  transform: translateY(calc(-50% - 26px));
}

.slider-arrow-prev { left: 5%; }
.slider-arrow-next { right: 5%; }

/* Dots */
.slider-dots {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.slider-dot {
  width: 24px; height: 3px;
  border-radius: 2px;
  background: var(--c-border-dark);
  transition: background var(--tr), width var(--tr);
  padding: 0;
}

.slider-dot.is-active {
  background: var(--c-black);
  width: 36px;
}

/* Category Panel */
.cat-panel-wrap {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 0 var(--pad-x) 64px;
}

.cat-panel {
  border: 1px solid var(--c-border);
  background: var(--c-bg);
}

.cat-panel-row { display: none; padding: 20px 28px; gap: 28px; align-items: flex-start; }
.cat-panel-row.is-active { display: flex; }

.cat-panel-main { flex-shrink: 0; }
.cat-panel-main a {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--c-black);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--c-black);
  white-space: nowrap;
  transition: background var(--tr), color var(--tr);
}
.cat-panel-main a:hover { background: var(--c-black); color: var(--c-bg); }

.cat-panel-subs { display: flex; flex-wrap: wrap; gap: 6px 16px; }

.cat-sub-tag {
  font-size: 0.78rem;
  color: var(--c-meta);
  letter-spacing: 0.02em;
  padding-bottom: 1px;
  border-bottom: 1px solid transparent;
  transition: color var(--tr), border-color var(--tr);
}
.cat-sub-tag:hover { color: var(--c-black); border-bottom-color: var(--c-black); }

/* Responsive */
@media (max-width: 900px) {
  .slider-item { width: 72%; }
  .slider-card-overlay { width: 80%; }
  .slider-arrow-prev { left: 3%; }
  .slider-arrow-next { right: 3%; }
}

@media (max-width: 768px) {
  .slider-item { width: 86%; padding: 0 8px; }
  .slider-card-overlay { width: 90%; opacity: 1; transform: translateY(0); }
  .slider-item:not(.is-active) .slider-card-overlay { opacity: 0; }
  .slider-arrow { width: 40px; height: 40px; }
  .cat-panel-row.is-active { flex-direction: column; gap: 12px; }
  .hero-title-block { padding: 40px var(--pad-x) 28px; }
}

/* ============================================
   HERO — Front Page (fallback)
   ============================================ */
.hero {
  padding: 96px 0 80px;
  border-bottom: 1px solid var(--c-border);
}

.hero-inner {
  max-width: var(--max-wide);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.hero-label {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-meta);
  margin-bottom: 20px;
  font-family: var(--font-latin);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 300;
  color: var(--c-black);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero-desc {
  font-size: 0.93rem;
  color: var(--c-meta);
  max-width: 520px;
  line-height: 1.8;
}

/* ============================================
   SECTION HEADING
   ============================================ */
.section-heading {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 40px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--c-border);
}

.section-heading h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--c-black);
  letter-spacing: 0.02em;
}

.section-heading .label {
  font-family: var(--font-latin);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-light);
}

/* ============================================
   CARD COLOR SYSTEM
   ============================================ */

/* カラーパレット定義 */
.card-color01 { --c-accent: #e8e2d8; --c-accent-text: #1a1a1a; --c-accent-tag: rgba(26,26,26,0.15); --c-accent-radius: 80px; }
.card-color02 { --c-accent: #b8cce0; --c-accent-text: #1a1a1a; --c-accent-tag: rgba(26,26,26,0.15); --c-accent-radius: 60px; }
.card-color03 { --c-accent: #e0a898; --c-accent-text: #fff;    --c-accent-tag: rgba(255,255,255,0.25); --c-accent-radius: 80px 40px; }
.card-color04 { --c-accent: #c8b490; --c-accent-text: #1a1a1a; --c-accent-tag: rgba(26,26,26,0.12); --c-accent-radius: 60px; }
.card-color05 { --c-accent: #c8d870; --c-accent-text: #1a1a1a; --c-accent-tag: rgba(26,26,26,0.12); --c-accent-radius: 60px 100px; }
.card-color06 { --c-accent: #f0d0b0; --c-accent-text: #1a1a1a; --c-accent-tag: rgba(26,26,26,0.12); --c-accent-radius: 80px; }
.card-color07 { --c-accent: #1e3c30; --c-accent-text: #fff;    --c-accent-tag: rgba(255,255,255,0.2); --c-accent-radius: 60px 100px; }
.card-color08 { --c-accent: #3c2820; --c-accent-text: #fff;    --c-accent-tag: rgba(255,255,255,0.2); --c-accent-radius: 80px; }

/* ============================================
   POST CARD
   ============================================ */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px 32px;
}

.post-card {
  display: flex;
  flex-direction: column;
  background: transparent;
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  transition: background-color 0.61s cubic-bezier(0.19, 1, 0.22, 1);
}

.post-card:hover {
  background-color: var(--c-accent);
}

/* Labels row: category + badge */
.post-card-labels {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.post-card-loc {
  font-size: 0.7rem;
  color: var(--c-meta);
  font-family: var(--font-latin);
  letter-spacing: 0.04em;
}

.post-card-badge {
  font-size: 0.62rem;
  font-weight: 600;
  font-family: var(--font-latin);
  letter-spacing: 0.1em;
  color: var(--c-dark);
  border: 1px solid var(--c-border-dark);
  border-radius: 50px;
  padding: 2px 10px;
  transition: background var(--tr), color var(--tr), border-color var(--tr);
}
.post-card:hover .post-card-badge {
  background: var(--c-black);
  color: var(--c-bg);
  border-color: var(--c-black);
}

/* Thumbnail wrapper */
.post-card-thumb-wrap {
  display: block;
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--c-surface-2);
  border-radius: 0;
  transition:
    border-radius 0.61s cubic-bezier(0.19, 1, 0.22, 1),
    margin 0.61s cubic-bezier(0.19, 1, 0.22, 1);
}

.post-card:hover .post-card-thumb-wrap {
  border-radius: var(--c-accent-radius, 60px);
  margin: 8px;
}

.post-card-thumb-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.61s cubic-bezier(0.19, 1, 0.22, 1);
}

.post-card:hover .post-card-thumb-wrap img {
  transform: scale(1.06);
}

/* Archive number — 縦書き、画像左端 */
.post-card-archive {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%) rotate(180deg);
  writing-mode: vertical-rl;
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.55);
  font-family: var(--font-latin);
  z-index: 2;
  pointer-events: none;
  transition: color var(--tr);
}
.post-card:hover .post-card-archive { color: rgba(255,255,255,0.9); }

/* No thumbnail placeholder */
.post-card-no-thumb {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: var(--c-surface-2);
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--c-light);
  letter-spacing: 0.06em;
}

/* Card body */
.post-card-body {
  padding: 14px 8px 16px;
  display: flex;
  flex-direction: column;
  flex: 1;
  transition: padding 0.61s cubic-bezier(0.19, 1, 0.22, 1);
}

.post-card:hover .post-card-body { padding: 14px 16px 16px; }

.post-card-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--c-black);
  line-height: 1.65;
  margin-bottom: 12px;
  transition: color 0.61s cubic-bezier(0.19, 1, 0.22, 1);
}
.post-card:hover .post-card-title { color: var(--c-accent-text, var(--c-black)); }
.post-card-title a { transition: none; }

/* Labels hover */
.post-card-labels { padding: 0 8px; transition: padding 0.61s cubic-bezier(0.19, 1, 0.22, 1); }
.post-card:hover .post-card-labels { padding: 8px 16px 0; }

.post-card-loc {
  transition: color 0.61s cubic-bezier(0.19, 1, 0.22, 1);
}
.post-card:hover .post-card-loc { color: var(--c-accent-text, var(--c-meta)); opacity: 0.75; }

.post-card-badge {
  transition: background 0.61s cubic-bezier(0.19, 1, 0.22, 1), color 0.61s cubic-bezier(0.19, 1, 0.22, 1), border-color 0.61s cubic-bezier(0.19, 1, 0.22, 1);
}
.post-card:hover .post-card-badge {
  background: var(--c-accent-tag, rgba(0,0,0,0.1));
  color: var(--c-accent-text, var(--c-dark));
  border-color: transparent;
}

/* Tag pills */
.post-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.post-card-tag {
  font-size: 0.64rem;
  color: var(--c-dark);
  background: transparent;
  border: 1px solid var(--c-border);
  border-radius: 50px;
  padding: 3px 10px;
  letter-spacing: 0.04em;
  transition:
    background 0.61s cubic-bezier(0.19, 1, 0.22, 1),
    color 0.61s cubic-bezier(0.19, 1, 0.22, 1),
    border-color 0.61s cubic-bezier(0.19, 1, 0.22, 1);
  white-space: nowrap;
}

.post-card:hover .post-card-tag {
  background: var(--c-accent-tag, rgba(0,0,0,0.1));
  color: var(--c-accent-text, var(--c-dark));
  border-color: transparent;
}

/* Read more */
.post-card-readmore {
  font-size: 0.72rem;
  font-family: var(--font-latin);
  letter-spacing: 0.1em;
  color: var(--c-light);
  margin-top: auto;
  padding-top: 4px;
  transition: color 0.61s cubic-bezier(0.19, 1, 0.22, 1);
}
.post-card:hover .post-card-readmore {
  color: var(--c-accent-text, var(--c-black));
  opacity: 0.75;
}

/* ============================================
   SECTION WRAPPER — Front Page
   ============================================ */
.home-section {
  padding: 72px 0;
}
.home-section + .home-section { border-top: 1px solid var(--c-border); }

/* ============================================
   ARCHIVE PAGE
   ============================================ */
.archive-header {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 56px;
}

.archive-label {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-meta);
  margin-bottom: 12px;
  font-family: var(--font-latin);
}

.archive-title {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 400;
  color: var(--c-black);
  letter-spacing: -0.01em;
}

.archive-main { padding-bottom: 96px; }

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding-top: 64px;
}

.pagination a,
.pagination span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  font-size: 0.82rem;
  border: 1px solid var(--c-border);
  color: var(--c-dark);
  transition: background var(--tr), color var(--tr), border-color var(--tr);
}

.pagination a:hover {
  background: var(--c-black);
  color: var(--c-bg);
  border-color: var(--c-black);
}

.pagination .current {
  background: var(--c-black);
  color: var(--c-bg);
  border-color: var(--c-black);
}

/* ============================================
   SINGLE POST
   ============================================ */
.single-header {
  padding: 56px 0 48px;
  border-bottom: 1px solid var(--c-border);
}

.single-cat {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-bg);
  background: var(--c-black);
  padding: 4px 10px;
  margin-bottom: 20px;
  font-family: var(--font-latin);
}

.single-title {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 700;
  color: var(--c-black);
  line-height: 1.5;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}

.single-meta {
  font-size: 0.78rem;
  color: var(--c-light);
  font-family: var(--font-latin);
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Table of Contents */
.toc {
  background: var(--c-surface);
  border-left: 3px solid var(--c-black);
  padding: 24px 28px;
  margin: 40px 0;
}

.toc-title {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-black);
  margin-bottom: 14px;
  font-family: var(--font-latin);
}

.toc ol { counter-reset: toc; padding-left: 0; }
.toc ol li {
  counter-increment: toc;
  font-size: 0.85rem;
  line-height: 1.7;
  padding: 3px 0;
  padding-left: 1.4em;
  position: relative;
  color: var(--c-dark);
}
.toc ol li::before {
  content: counter(toc) '.';
  position: absolute;
  left: 0;
  color: var(--c-light);
  font-size: 0.75rem;
  font-family: var(--font-latin);
}
.toc a { color: var(--c-dark); transition: color var(--tr); }
.toc a:hover { color: var(--c-black); }

/* Post Content */
.post-content {
  padding: 48px 0;
  font-size: 0.95rem;
  line-height: 1.95;
  color: var(--c-text);
}

.post-content h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--c-black);
  border-left: 4px solid var(--c-black);
  padding-left: 14px;
  margin: 52px 0 24px;
  line-height: 1.5;
}

.post-content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-dark);
  margin: 40px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--c-border);
}

.post-content h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--c-dark);
  margin: 28px 0 12px;
}

.post-content p { margin-bottom: 1.6em; }

.post-content a {
  color: var(--c-black);
  text-decoration: underline;
  text-decoration-color: var(--c-border-dark);
  text-underline-offset: 2px;
  transition: text-decoration-color var(--tr);
}
.post-content a:hover { text-decoration-color: var(--c-black); }

.post-content ul, .post-content ol {
  margin: 1em 0 1.6em 1.2em;
  list-style: revert;
}
.post-content li { margin-bottom: 0.4em; line-height: 1.8; }

.post-content img {
  width: 100%;
  max-width: 900px;
  margin: 2em auto;
  border: 1px solid var(--c-border);
}

.post-content blockquote {
  border-left: 3px solid var(--c-border-dark);
  padding: 16px 20px;
  margin: 2em 0;
  background: var(--c-surface);
  font-style: italic;
  color: var(--c-meta);
}

/* Tables */
.post-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  margin: 2em 0;
}
.post-content th {
  background: var(--c-black);
  color: var(--c-bg);
  padding: 10px 14px;
  font-weight: 500;
  text-align: left;
  letter-spacing: 0.04em;
  font-size: 0.8rem;
}
.post-content td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--c-border);
  color: var(--c-dark);
}
.post-content tr:nth-child(even) td { background: var(--c-surface); }

/* ---- Ranking Box ---- */
.rank-box {
  border: 1px solid var(--c-border);
  margin: 32px 0;
  overflow: hidden;
}

.rank-box-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
}

.rank-number {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: var(--c-black);
  color: var(--c-bg);
  font-size: 0.8rem;
  font-weight: 700;
  font-family: var(--font-latin);
  flex-shrink: 0;
}

.rank-number.gold   { background: #b8a070; }
.rank-number.silver { background: #9a9a9a; }
.rank-number.bronze { background: #a07858; }

.rank-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-black);
}

.rank-box-body { padding: 20px; }

.rank-box-body p {
  font-size: 0.88rem;
  color: var(--c-dark);
  margin-bottom: 16px;
}

/* ---- CTA Button ---- */
.btn-cta {
  display: block;
  width: 100%;
  padding: 15px 24px;
  background: var(--c-black);
  color: var(--c-bg);
  text-align: center;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  transition: background var(--tr), transform var(--tr);
  border: 2px solid var(--c-black);
}
.btn-cta:hover {
  background: var(--c-dark);
  transform: translateY(-2px);
}

.btn-cta-outline {
  display: block;
  width: 100%;
  padding: 13px 24px;
  background: transparent;
  color: var(--c-black);
  text-align: center;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  border: 2px solid var(--c-black);
  transition: background var(--tr), color var(--tr), transform var(--tr);
}
.btn-cta-outline:hover {
  background: var(--c-black);
  color: var(--c-bg);
  transform: translateY(-2px);
}

/* ---- Comparison Table ---- */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
  margin: 2em 0;
  overflow-x: auto;
  display: block;
}
.compare-table th {
  background: var(--c-black);
  color: var(--c-bg);
  padding: 11px 16px;
  font-weight: 500;
  white-space: nowrap;
  letter-spacing: 0.04em;
}
.compare-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--c-border);
  color: var(--c-dark);
  vertical-align: middle;
}
.compare-table tr.recommended td { background: #fafaf8; }
.compare-table .check { color: var(--c-black); font-weight: 700; }
.compare-table .cross { color: var(--c-light); }

/* ---- Info Box ---- */
.info-box {
  border: 1px solid var(--c-border);
  border-left: 4px solid var(--c-dark);
  padding: 18px 22px;
  margin: 2em 0;
  background: var(--c-surface);
  font-size: 0.88rem;
  color: var(--c-dark);
}
.info-box.warning { border-left-color: #999; }

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--c-black);
  color: var(--c-bg);
  padding: 56px 0 32px;
}

.footer-inner {
  max-width: var(--max-wide);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
  color: var(--c-bg);
}

.footer-desc {
  font-size: 0.8rem;
  color: #888888;
  line-height: 1.8;
  max-width: 400px;
  margin-bottom: 48px;
}

.footer-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 40px;
  padding-top: 40px;
  border-top: 1px solid #333333;
}

.footer-nav a {
  font-size: 0.78rem;
  color: #888888;
  letter-spacing: 0.04em;
  transition: color var(--tr);
}
.footer-nav a:hover { color: var(--c-bg); }

.footer-copy {
  font-size: 0.72rem;
  color: #555555;
  font-family: var(--font-latin);
  letter-spacing: 0.04em;
}

/* ============================================
   404
   ============================================ */
.error-404 {
  padding: 120px 0;
  text-align: center;
}
.error-code {
  font-family: var(--font-display);
  font-size: 8rem;
  font-weight: 300;
  color: var(--c-border);
  line-height: 1;
  margin-bottom: 24px;
}
.error-message {
  font-size: 1.1rem;
  color: var(--c-meta);
  margin-bottom: 40px;
}
.error-back {
  display: inline-block;
  padding: 12px 32px;
  background: var(--c-black);
  color: var(--c-bg);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  transition: opacity var(--tr);
}
.error-back:hover { opacity: 0.75; }

/* ============================================
   NO THUMBNAIL PLACEHOLDER
   ============================================ */
.no-thumb {
  width: 100%;
  height: 100%;
  background: var(--c-surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--c-light);
  letter-spacing: 0.06em;
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* Tablet: ≤900px */
@media (max-width: 900px) {
  :root { --pad-x: 5%; }

  .posts-grid { grid-template-columns: repeat(2, 1fr); gap: 36px 20px; }
  .hamburger  { display: flex; }
  .global-nav { display: none; }

  .hero { padding: 64px 0 56px; }
  .hero-title { font-size: 2.4rem; }

  .single-title { font-size: 1.6rem; }
}

/* Mobile: ≤768px */
@media (max-width: 768px) {
  :root { --pad-x: 5%; }

  .posts-grid { grid-template-columns: 1fr; gap: 32px; }

  /* Article page: 90% width */
  .container-content {
    padding-inline: var(--pad-x);
  }

  .hero { padding: 48px 0 40px; }
  .hero-title { font-size: 2rem; }

  .archive-title { font-size: 1.8rem; }
  .single-title  { font-size: 1.4rem; }

  .post-content h2 { font-size: 1.15rem; }
  .post-content h3 { font-size: 1rem; }

  .footer-nav { gap: 16px; }
  .footer-desc { margin-bottom: 32px; }

  .toc { padding: 18px 20px; }
}