/* =========================================================
   Penluka — 無料漫画キュレーション LP
   Palette
   --ink     #1A252F   deep ink
   --navy    #2C3E50   deep navy
   --slate   #7FA0B4   dusty blue-grey
   --orange  #E8834D   warm orange
   --cream   #F5EBD9   cream
   --paper   #FBF4E6   paper background
========================================================= */

:root {
  --ink: #1A252F;
  --navy: #2C3E50;
  --navy-soft: #35516B;
  --slate: #7FA0B4;
  --slate-soft: #B5C7D3;
  --orange: #E8834D;
  --orange-deep: #C96432;
  --orange-soft: #F3A272;
  --cream: #F5EBD9;
  --paper: #FBF4E6;
  --paper-warm: #F6EADA;

  --font-jp: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", "ヒラギノ丸ゴ ProN", system-ui, sans-serif;
  --font-jp-body: "Zen Kaku Gothic New", "Hiragino Sans", "ヒラギノ角ゴシック", system-ui, sans-serif;
  --font-en: "Fraunces", "Cormorant Garamond", Georgia, serif;

  --radius-s: 10px;
  --radius-m: 18px;
  --radius-l: 28px;
  --radius-xl: 40px;

  --shadow-soft: 0 8px 30px -10px rgba(44, 62, 80, 0.18);
  --shadow-card: 0 20px 40px -18px rgba(44, 62, 80, 0.28);
  --shadow-float: 0 30px 60px -20px rgba(44, 62, 80, 0.35);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-jp-body);
  color: var(--navy);
  background: var(--paper);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

/* ---------- Background layers (parallax) ---------- */
.bg-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: var(--paper);
  transition: background 1.2s var(--ease-soft);
  pointer-events: none;
}
.bg-canvas.navy { background: linear-gradient(180deg, #2C3E50 0%, #1E2D3D 100%); }
.bg-canvas.cream { background: var(--paper); }
.bg-canvas.warm { background: linear-gradient(180deg, #FBF4E6 0%, #F3DCC2 100%); }

.bg-dots {
  position: fixed;
  inset: -20% -5%;
  z-index: -1;
  background-image: radial-gradient(circle, rgba(127, 160, 180, 0.18) 1.2px, transparent 1.4px);
  background-size: 28px 28px;
  opacity: 0.6;
  pointer-events: none;
  transition: opacity 1s var(--ease-soft);
  will-change: transform;
}

.bg-blob {
  position: fixed;
  width: 700px; height: 700px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  pointer-events: none;
  z-index: -1;
  will-change: transform;
}
.bg-blob.a { top: -200px; left: -150px; background: #E8834D; }
.bg-blob.b { top: 40%; right: -250px; background: #7FA0B4; }
.bg-blob.c { bottom: -200px; left: 30%; background: #F3A272; }

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 14px 10px 18px;
  background: rgba(251, 244, 230, 0.82);
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  border: 1px solid rgba(44, 62, 80, 0.08);
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
  transition: background 0.6s var(--ease-soft), color 0.6s var(--ease-soft);
}
.nav.on-dark {
  background: rgba(26, 37, 47, 0.65);
  border-color: rgba(245, 235, 217, 0.15);
  color: var(--cream);
}
.nav-logo { display: flex; align-items: center; gap: 8px; font-family: var(--font-en); font-size: 18px; letter-spacing: 0.04em; font-weight: 600; white-space: nowrap; }
.nav-logo .jp { white-space: nowrap; }
.nav-logo img { width: 26px; height: 26px; }
.nav-logo .jp { font-family: var(--font-jp); font-size: 14px; opacity: 0.7; letter-spacing: 0.12em; }
.nav-links { display: flex; gap: 4px; }
.nav-links a {
  font-size: 13px; padding: 6px 12px; border-radius: 999px;
  transition: background 0.3s, color 0.3s;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.nav-links a:hover { background: var(--orange); color: var(--cream); }
.nav.on-dark .nav-links a:hover { background: var(--orange); color: var(--cream); }
@media (max-width: 560px) { .nav-links { display: none; } }

/* ---------- Scroll indicator (side rail) ---------- */
.rail {
  position: fixed;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
}
.rail .rail-line {
  width: 2px;
  height: 120px;
  background: rgba(44, 62, 80, 0.15);
  position: relative;
  border-radius: 2px;
  overflow: hidden;
}
.rail .rail-line::after {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 100%;
  height: var(--progress, 0%);
  background: var(--orange);
  transition: height 0.2s linear;
  border-radius: 2px;
}
.rail-dots { display: flex; flex-direction: column; gap: 16px; }
.rail-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: rgba(44, 62, 80, 0.2);
  cursor: pointer;
  transition: transform 0.3s var(--ease-out), background 0.3s;
  position: relative;
}
.rail-dot.active { background: var(--orange); transform: scale(1.4); }
.rail-dot:hover::after {
  content: attr(data-label);
  position: absolute; right: 22px; top: 50%; transform: translateY(-50%);
  white-space: nowrap;
  font-size: 11px;
  padding: 4px 10px;
  background: var(--navy); color: var(--cream);
  border-radius: 999px;
  letter-spacing: 0.08em;
}
.on-dark-rail .rail-line { background: rgba(245, 235, 217, 0.2); }
.on-dark-rail .rail-dot { background: rgba(245, 235, 217, 0.3); }
.on-dark-rail .rail-dot.active { background: var(--orange); }

@media (max-width: 720px) { .rail { display: none; } }

/* ---------- Layout helpers ---------- */
.container {
  width: min(1180px, 92%);
  margin: 0 auto;
}
section { position: relative; padding: 140px 0; }
@media (max-width: 640px) { section { padding: 100px 0; } }

.eyebrow {
  display: inline-flex;
  align-items: center; gap: 10px;
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 20px;
}
.eyebrow::before {
  content: ""; width: 28px; height: 1px; background: var(--orange);
}

h1, h2, h3 { font-family: var(--font-jp); font-weight: 700; letter-spacing: 0.02em; line-height: 1.35; }

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 160px 0 120px;
  position: relative;
  overflow: hidden;
}
.hero-mark {
  position: relative;
  width: 280px;
  height: 310px;
  margin-bottom: 40px;
  animation: float 5s ease-in-out infinite;
  filter: drop-shadow(0 30px 40px rgba(44, 62, 80, 0.22));
}
.hero-mark svg { width: 100%; height: 100%; }
.hero-mark::after {
  content: "";
  position: absolute;
  left: 50%; bottom: -20px;
  width: 180px; height: 22px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse, rgba(44,62,80,0.22), transparent 70%);
  animation: shadow 5s ease-in-out infinite;
  z-index: -1;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}
@keyframes shadow {
  0%, 100% { transform: translateX(-50%) scale(1); opacity: 0.7; }
  50% { transform: translateX(-50%) scale(0.82); opacity: 0.4; }
}

.hero h1 {
  font-size: clamp(32px, 5.6vw, 64px);
  color: var(--navy);
  max-width: 900px;
  margin: 0 auto 22px;
  text-wrap: balance;
}
.hero h1 .accent {
  color: var(--orange);
  position: relative;
  display: inline-block;
}
.hero h1 .accent::after {
  content: "";
  position: absolute;
  left: 0; bottom: 4px;
  width: 100%; height: 8px;
  background: var(--orange);
  opacity: 0.18;
  border-radius: 4px;
  z-index: -1;
}
.hero p.sub {
  font-size: clamp(14px, 1.8vw, 18px);
  color: var(--navy-soft);
  max-width: 540px;
  margin: 0 auto;
  letter-spacing: 0.08em;
}

.hero-chips {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 10px;
  margin-top: 34px;
}
.hero-chips span {
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(44, 62, 80, 0.1);
  border-radius: 999px;
  font-size: 12px;
  color: var(--navy);
  letter-spacing: 0.14em;
  backdrop-filter: blur(10px);
}

.scroll-hint {
  position: absolute;
  bottom: 50px;
  left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center;
  gap: 8px;
  color: var(--navy-soft);
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.32em;
  opacity: 0.7;
}
.scroll-hint .arrow {
  width: 1px; height: 44px;
  background: var(--navy-soft);
  position: relative;
  overflow: hidden;
}
.scroll-hint .arrow::after {
  content: "";
  position: absolute;
  left: -1px; top: -50%;
  width: 3px; height: 50%;
  background: var(--orange);
  animation: scrollLine 1.8s var(--ease-soft) infinite;
}
@keyframes scrollLine {
  0%   { top: -50%; }
  100% { top: 120%; }
}

/* decorative floating feathers */
.feather {
  position: absolute;
  pointer-events: none;
  opacity: 0.55;
  will-change: transform;
}
.feather.f1 { top: 18%; left: 8%; width: 80px; animation: feather 8s ease-in-out infinite; }
.feather.f2 { top: 30%; right: 10%; width: 60px; animation: feather 10s ease-in-out infinite reverse; }
.feather.f3 { bottom: 20%; left: 14%; width: 50px; animation: feather 12s ease-in-out infinite; }
@keyframes feather {
  0%, 100% { transform: translateY(0) rotate(-15deg); }
  50% { transform: translateY(-30px) rotate(10deg); }
}

/* ---------- Concept ---------- */
.concept {
  text-align: center;
}
.concept h2 {
  font-size: clamp(26px, 3.6vw, 40px);
  max-width: 760px;
  margin: 0 auto 26px;
  color: var(--navy);
}
.concept h2 em { color: var(--orange); font-style: normal; }
.concept .lead {
  max-width: 620px;
  margin: 0 auto 80px;
  color: var(--navy-soft);
  font-size: 16px;
}
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 60px;
}
@media (max-width: 820px) {
  .features { grid-template-columns: 1fr; gap: 20px; }
}
.feat {
  background: #fff;
  border: 1px solid rgba(44, 62, 80, 0.07);
  border-radius: var(--radius-l);
  padding: 40px 30px 36px;
  text-align: left;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
}
.feat:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); }
.feat .num {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--orange);
}
.feat .icon {
  width: 72px; height: 72px;
  border-radius: 22px;
  background: linear-gradient(135deg, var(--paper-warm), #fff);
  border: 1px solid rgba(232, 131, 77, 0.25);
  display: flex; align-items: center; justify-content: center;
  margin: 20px 0 24px;
}
.feat h3 {
  font-size: 20px;
  color: var(--navy);
  margin-bottom: 10px;
}
.feat p {
  font-size: 14px;
  color: var(--navy-soft);
  line-height: 1.8;
}
.feat::after {
  content: "";
  position: absolute;
  right: -40px; bottom: -40px;
  width: 160px; height: 160px;
  background: radial-gradient(circle, rgba(232, 131, 77, 0.08), transparent 70%);
}

/* ---------- Manga Grid ---------- */
.manga {
  padding-top: 160px;
}
.manga .head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 60px;
  gap: 20px;
  flex-wrap: wrap;
}
.manga h2 {
  font-size: clamp(28px, 4vw, 44px);
  color: var(--navy);
  line-height: 1.25;
}
.manga h2 .mini {
  display: block;
  font-size: 14px;
  font-family: var(--font-en);
  letter-spacing: 0.32em;
  color: var(--orange);
  margin-bottom: 10px;
  font-weight: 400;
}
.manga .head p {
  max-width: 360px;
  color: var(--navy-soft);
  font-size: 14px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
@media (max-width: 980px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid { grid-template-columns: 1fr; gap: 22px; } }

.card {
  position: relative;
  background: #fff;
  border-radius: var(--radius-l);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.45s var(--ease-out), box-shadow 0.45s var(--ease-out);
  transform-style: preserve-3d;
  will-change: transform;
  border: 1px solid rgba(44, 62, 80, 0.06);
}
.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-float);
}
.card .thumb {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--cream);
}
.card .thumb .art {
  position: absolute; inset: 0;
  transition: transform 0.7s var(--ease-out);
  display: flex; align-items: center; justify-content: center;
}
.card .thumb .art .cover {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.card:hover .thumb .art { transform: scale(1.06); }
.card .badge {
  position: absolute;
  top: 14px; left: 14px;
  padding: 6px 12px;
  font-size: 11px;
  letter-spacing: 0.16em;
  background: var(--cream);
  color: var(--navy);
  border-radius: 999px;
  font-weight: 600;
}
.card .badge.orange { background: var(--orange); color: var(--cream); }
.card .ribbon {
  position: absolute;
  top: 14px; right: 14px;
  padding: 6px 10px;
  font-size: 10px;
  letter-spacing: 0.18em;
  background: rgba(26, 37, 47, 0.85);
  color: var(--cream);
  border-radius: 4px;
  font-family: var(--font-en);
}
.card .body {
  padding: 22px 22px 26px;
}
.card h3 {
  font-size: 18px;
  color: var(--navy);
  margin-bottom: 6px;
  line-height: 1.4;
}
.card .author {
  font-size: 11px;
  color: var(--slate);
  letter-spacing: 0.12em;
  margin-bottom: 14px;
}
.card .review {
  display: flex;
  gap: 10px;
  background: var(--paper-warm);
  padding: 12px 14px;
  border-radius: var(--radius-m);
  font-size: 12.5px;
  color: var(--navy-soft);
  line-height: 1.7;
  margin-bottom: 18px;
  position: relative;
}
.card .review .avatar {
  flex: 0 0 26px; width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--navy);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.card .review .avatar img { width: 100%; }
.card .review q {
  display: block;
  quotes: "「" "」";
}
.card .cta {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.card .cta .read {
  display: inline-flex;
  align-items: center; gap: 8px;
  padding: 10px 18px;
  background: var(--navy);
  color: var(--cream);
  font-size: 12px;
  letter-spacing: 0.18em;
  border-radius: 999px;
  transition: background 0.3s, transform 0.3s;
}
.card .cta .read:hover { background: var(--orange); transform: translateX(3px); }
.card .cta .meta {
  font-size: 11px;
  color: var(--slate);
  letter-spacing: 0.12em;
}

/* slide-in alternate */
.card.from-left { transform: translateX(-40px); opacity: 0; }
.card.from-right { transform: translateX(40px); opacity: 0; }
.card.is-in { transform: translate(0, 0); opacity: 1; transition: all 0.9s var(--ease-out); }
.card.is-in:hover { transform: translateY(-10px); }

/* placeholder thumbnail styles */
.ph {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  position: relative;
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.3em;
}
.ph::before {
  content: "";
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    45deg,
    rgba(255,255,255,0.12) 0 10px,
    rgba(255,255,255,0) 10px 22px
  );
  mix-blend-mode: overlay;
}
.ph.p1 { background: linear-gradient(135deg, #2C3E50, #50718A); color: var(--cream); }
.ph.p2 { background: linear-gradient(135deg, #E8834D, #F3A272); color: #fff; }
.ph.p3 { background: linear-gradient(135deg, #7FA0B4, #AEC3D0); color: var(--navy); }
.ph.p4 { background: linear-gradient(135deg, #F5EBD9, #E8834D); color: var(--navy); }
.ph.p5 { background: linear-gradient(135deg, #1A252F, #2C3E50); color: var(--orange); }
.ph.p6 { background: linear-gradient(135deg, #C96432, #E8834D); color: var(--cream); }
.ph.p7 { background: linear-gradient(135deg, #35516B, #7FA0B4); color: var(--cream); }
.ph.p8 { background: linear-gradient(135deg, #F6EADA, #B5C7D3); color: var(--navy); }
.ph.p9 { background: linear-gradient(135deg, #243444, #E8834D); color: var(--cream); }
.ph .ph-title {
  font-family: var(--font-jp);
  font-size: 28px;
  letter-spacing: 0.08em;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  padding: 16px;
  font-weight: 700;
  z-index: 1;
  text-shadow: 0 2px 8px rgba(0,0,0,0.18);
}
.ph .ph-tag {
  position: absolute;
  bottom: 12px; left: 14px;
  font-size: 10px;
  letter-spacing: 0.2em;
  opacity: 0.85;
  z-index: 1;
}

/* ---------- Categories ---------- */
.cats {
  text-align: center;
  background: linear-gradient(180deg, transparent 0%, var(--paper-warm) 40%, var(--paper-warm) 60%, transparent 100%);
}
.cats h2 {
  font-size: clamp(26px, 3.4vw, 38px);
  color: var(--navy);
  margin-bottom: 20px;
}
.cats .lead { color: var(--navy-soft); margin-bottom: 60px; font-size: 14px; }
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  max-width: 860px;
  margin: 0 auto;
}
@media (max-width: 720px) { .cat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 420px) { .cat-grid { grid-template-columns: 1fr; } }

.cat {
  position: relative;
  display: block;
  padding: 28px 24px;
  background: #fff;
  border: 1px solid rgba(44, 62, 80, 0.08);
  border-radius: var(--radius-m);
  cursor: pointer;
  overflow: hidden;
  text-align: left;
  text-decoration: none;
  color: inherit;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out), border-color 0.4s;
}
.cat::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(232, 131, 77, 0.3), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s;
}
.cat:hover { transform: translateY(-4px); border-color: var(--orange); box-shadow: 0 20px 40px -20px rgba(232, 131, 77, 0.5); }
.cat:hover::before { opacity: 1; }
.cat:hover .cat-jp, .cat:hover .cat-en { color: var(--orange); }

.cat .cat-num {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--slate);
}
.cat .cat-jp {
  display: block;
  font-family: var(--font-jp);
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  margin-top: 14px;
  transition: color 0.4s;
}
.cat .cat-en {
  display: block;
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--slate);
  margin-top: 6px;
  transition: color 0.4s;
  font-style: italic;
}
.cat .arrow {
  position: absolute;
  right: 22px; bottom: 22px;
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1px solid rgba(44, 62, 80, 0.2);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.4s;
}
.cat:hover .arrow { background: var(--orange); border-color: var(--orange); color: #fff; transform: rotate(-45deg); }

/* ---------- X (Twitter) CTA ---------- */
.x-cta {
  background: linear-gradient(180deg, var(--navy) 0%, #1E2D3D 100%);
  color: var(--cream);
  text-align: center;
  overflow: hidden;
  border-radius: 40px;
  margin: 60px auto;
  padding: 120px 20px;
  max-width: min(1180px, 92%);
  position: relative;
}
.x-cta .eyebrow { color: var(--orange); }
.x-cta h2 {
  font-size: clamp(28px, 4vw, 48px);
  color: var(--cream);
  max-width: 760px;
  margin: 0 auto 20px;
  text-wrap: balance;
}
.x-cta p.sub {
  color: rgba(245, 235, 217, 0.7);
  font-size: 15px;
  max-width: 480px;
  margin: 0 auto 48px;
  letter-spacing: 0.06em;
}
.x-btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 18px 36px 18px 30px;
  background: var(--orange);
  color: var(--cream);
  border-radius: 999px;
  font-size: 14px;
  letter-spacing: 0.16em;
  font-weight: 700;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s;
  box-shadow: 0 16px 40px -10px rgba(232, 131, 77, 0.6);
}
.x-btn:hover { transform: translateY(-3px); box-shadow: 0 22px 50px -8px rgba(232, 131, 77, 0.8); }
.x-btn .x-icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--cream);
  color: var(--navy);
  display: flex; align-items: center; justify-content: center;
  font-weight: 900;
  font-size: 14px;
}
.x-handle {
  display: inline-block;
  margin-top: 24px;
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: rgba(245, 235, 217, 0.55);
}

/* peeking penguin */
.peek {
  position: absolute;
  bottom: -60px;
  right: 8%;
  width: 200px;
  transform: rotate(-6deg);
  animation: peek 4s ease-in-out infinite;
}
@keyframes peek {
  0%, 100% { transform: rotate(-6deg) translateY(0); }
  50% { transform: rotate(-4deg) translateY(-10px); }
}
@media (max-width: 720px) { .peek { width: 140px; bottom: -50px; right: -10px; } }

.x-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(245, 235, 217, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 235, 217, 0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}
.x-stars {
  position: absolute;
  top: 10%; left: 8%;
  color: var(--orange);
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.3em;
  opacity: 0.6;
}

/* ---------- Footer ---------- */
footer {
  padding: 80px 0 40px;
  background: var(--paper);
  border-top: 1px solid rgba(44, 62, 80, 0.08);
}
footer .inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 30px;
}
footer .brand { display: flex; align-items: center; gap: 14px; }
footer .brand img { width: 48px; }
footer .brand .name { font-family: var(--font-en); font-size: 22px; color: var(--navy); font-weight: 600; letter-spacing: 0.04em; }
footer .brand .jp { font-family: var(--font-jp); font-size: 11px; color: var(--slate); letter-spacing: 0.2em; margin-top: 2px; }
footer nav { display: flex; gap: 24px; font-size: 13px; color: var(--navy-soft); }
footer nav a:hover { color: var(--orange); }
footer .copy { font-size: 11px; letter-spacing: 0.16em; color: var(--slate); text-align: center; margin-top: 50px; font-family: var(--font-en); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out); }
.reveal.is-in { opacity: 1; transform: translateY(0); }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
.reveal.d4 { transition-delay: 0.32s; }
.reveal.d5 { transition-delay: 0.40s; }

/* cursor-tilt card is handled inline in JS via transform */

/* ---------- Dark-section text tweaks ---------- */
.section-dark { color: var(--cream); }
.section-dark h2 { color: var(--cream); }
.section-dark p { color: rgba(245, 235, 217, 0.75); }

/* ---------- Small helpers ---------- */
.nowrap { white-space: nowrap; }
.serif { font-family: var(--font-en); font-style: italic; }

/* ---------- Tweaks panel ---------- */
.tweaks {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 280px;
  background: #fff;
  border: 1px solid rgba(44,62,80,0.1);
  border-radius: 20px;
  padding: 18px;
  box-shadow: var(--shadow-float);
  z-index: 100;
  font-size: 13px;
  display: none;
}
.tweaks.open { display: block; }
.tweaks h4 { font-size: 12px; letter-spacing: 0.24em; color: var(--slate); text-transform: uppercase; margin-bottom: 14px; font-family: var(--font-en); }
.tweaks .row { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.tweaks label { flex: 1; color: var(--navy-soft); font-size: 12px; }
.tweaks .swatches { display: flex; gap: 6px; }
.tweaks .swatch { width: 22px; height: 22px; border-radius: 50%; border: 2px solid transparent; cursor: pointer; }
.tweaks .swatch.active { border-color: var(--navy); }
.tweaks select, .tweaks input[type=range] { background: var(--paper-warm); border: none; border-radius: 8px; padding: 4px 8px; font-size: 12px; }