/* =====================================================================
   Slide Nova LP — page-specific styles
   Built on top of assets/colors_and_type.css tokens.
   Mobile-first. Long-form, narrative-led layout.
   ===================================================================== */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--sn-bg-primary);
  color: var(--sn-fg-1);
  font-family: var(--sn-font-jp);
  font-size: var(--sn-fs-body);
  font-weight: var(--sn-fw-regular);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  word-break: keep-all;
  overflow-wrap: break-word;
  line-break: strict;
}

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

/* ---------- shared container ---------- */
.lp-wrap {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
}

/* ---------- scroll fade-in ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 900ms var(--sn-ease-out),
              transform 900ms var(--sn-ease-out);
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}
.reveal--lg { transition-duration: 1200ms; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}

/* ---------- top brand mark ---------- */
.lp-brand {
  position: absolute;
  top: 22px;
  left: 22px;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}
.lp-brand__logo {
  height: 70px;
  width: auto;
  display: block;
  filter: invert(1) hue-rotate(180deg) drop-shadow(0 0 14px rgba(56, 189, 248, 0.40));
}
.lp-brand__tag {
  font-family: var(--sn-font-sans);
  font-size: 9px;
  font-weight: var(--sn-fw-medium);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--sn-blue-500);
  padding-left: 4px;
}
@media (min-width: 640px) {
  .lp-brand__logo { height: 80px; }
}

/* =====================================================================
   Section 1 — Hero
   ===================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0;
  background: var(--sn-bg-primary);
}

/* Three.js canvas */
#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* CSS fallback (shown when WebGL unavailable or reduce-motion) */
.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  display: none; /* hidden when Three.js active */
}
.no-webgl .hero__bg,
.reduce-motion .hero__bg {
  display: block;
}
.no-webgl #hero-canvas,
.reduce-motion #hero-canvas {
  display: none;
}

.hero__bg-grad {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 60% at 80% 12%,
      rgba(251, 191, 36, 0.18) 0%,
      rgba(251, 191, 36, 0.06) 28%,
      transparent 60%),
    radial-gradient(ellipse 60% 70% at 10% 90%,
      rgba(56, 189, 248, 0.10) 0%,
      transparent 55%);
}

.hero__nova {
  position: absolute;
  top: -120px;
  right: -120px;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle at 50% 50%,
    rgba(255, 255, 255, 0.65) 0%,
    rgba(252, 211, 77, 0.55) 6%,
    rgba(251, 191, 36, 0.35) 18%,
    rgba(245, 158, 11, 0.16) 38%,
    transparent 68%);
  filter: blur(2px);
  pointer-events: none;
}
.hero__nova::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%,
    rgba(255, 255, 255, 0.95) 0%,
    rgba(255, 255, 255, 0.4) 4%,
    transparent 9%);
  animation: novaPulse 5s ease-in-out infinite;
}
@keyframes novaPulse {
  0%, 100% { transform: scale(1);   opacity: 0.95; }
  50%      { transform: scale(1.18); opacity: 0.7;  }
}

.hero__stars { position: absolute; inset: 0; pointer-events: none; }
.star {
  position: absolute;
  background: #fff;
  border-radius: 50%;
  animation: starTwinkle 8s ease-in-out infinite;
}
.star--blue { background: #c5d4ff; box-shadow: 0 0 4px rgba(197, 212, 255, 0.5); }
.star--bright { box-shadow: 0 0 6px rgba(255, 255, 255, 0.7); }
@keyframes starTwinkle {
  0%, 100% { opacity: var(--o, 0.7); }
  50%      { opacity: calc(var(--o, 0.7) * 0.35); }
}

.meteor {
  position: absolute;
  height: 1.5px;
  border-radius: 999px;
  background: linear-gradient(90deg,
    transparent,
    rgba(56, 189, 248, 0.0) 5%,
    rgba(56, 189, 248, 0.85) 60%,
    rgba(129, 140, 248, 1) 92%,
    transparent);
  box-shadow: 0 0 12px rgba(129, 140, 248, 0.5);
  opacity: 0.8;
}
.meteor--1 { top: 22%;  left: -10%; width: 240px; transform: rotate(20deg); }
.meteor--2 { top: 48%;  left: -10%; width: 180px; transform: rotate(22deg); opacity: 0.55; }
.meteor--3 { top: 72%;  left: 30%;  width: 160px; transform: rotate(18deg); opacity: 0.4; }

.hero__inner {
  position: relative;
  z-index: 2;
  padding: 0 28px;
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
}

.hero__copy {
  font-family: var(--sn-font-jp);
  font-size: 30px;
  font-weight: var(--sn-fw-medium);
  line-height: 1.45;
  letter-spacing: -0.01em;
  margin: 0 0 28px;
  color: var(--sn-fg-1);
}
.hero__copy-line2 {
  display: block;
  background: linear-gradient(135deg, #fcd34d 0%, #fbbf24 45%, #f59e0b 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__think {
  font-family: var(--sn-font-jp);
  font-size: 13px;
  line-height: 1.85;
  color: var(--sn-fg-2);
  margin: 0;
  font-weight: var(--sn-fw-regular);
}

.hero__scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: var(--sn-font-sans);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--sn-fg-3);
}
.hero__scroll-line {
  width: 1px;
  height: 36px;
  background: linear-gradient(180deg, var(--sn-blue-500), transparent);
  animation: scrollDrop 2.4s var(--sn-ease-in-out) infinite;
  transform-origin: top;
}
@keyframes scrollDrop {
  0%   { transform: scaleY(0); opacity: 1; }
  60%  { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); opacity: 0; }
}

@media (min-width: 640px) {
  .hero__copy { font-size: 38px; }
  .hero__think { font-size: 14px; }
  .hero__nova { width: 620px; height: 620px; top: -160px; right: -160px; }
}
@media (min-width: 900px) {
  .hero__copy { font-size: 46px; }
}

/* =====================================================================
   Common section primitives
   ===================================================================== */
.sec {
  position: relative;
  padding: 96px 0;
  overflow: hidden;
}
.sec--alt { background: var(--sn-bg-secondary); }

.sec__bg-stars {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.55;
}

.sec__eyebrow {
  font-family: var(--sn-font-sans);
  font-size: 10px;
  font-weight: var(--sn-fw-medium);
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--sn-blue-500);
  margin: 0 0 18px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.sec__eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--sn-blue-500);
  display: inline-block;
}

.sec__title {
  font-family: var(--sn-font-jp);
  font-size: 26px;
  font-weight: var(--sn-fw-medium);
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--sn-fg-1);
  margin: 0 0 14px;
}
.sec__subtitle {
  font-family: var(--sn-font-jp);
  font-size: 14px;
  line-height: 1.8;
  color: var(--sn-fg-2);
  margin: 0 0 24px;
}
.sec__intro {
  font-family: var(--sn-font-jp);
  font-size: 14px;
  line-height: 1.9;
  color: var(--sn-fg-2);
  margin: 0 0 40px;
}
@media (min-width: 640px) {
  .sec__title    { font-size: 32px; }
  .sec__subtitle { font-size: 15px; }
  .sec__intro    { font-size: 15px; }
}

.body-para {
  font-family: var(--sn-font-jp);
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--sn-fg-1);
  margin: 0 0 24px;
  white-space: pre-line;
}
.body-para--mute { color: var(--sn-fg-2); }

.section-closer {
  font-family: var(--sn-font-jp);
  font-size: 13px;
  line-height: 1.85;
  color: var(--sn-fg-3);
  margin: 32px 0 0;
  font-style: normal;
}

/* =====================================================================
   Section 2 — Services
   ===================================================================== */
.svc-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.svc-card {
  position: relative;
  background: var(--sn-bg-secondary);
  border: 1px solid var(--sn-border-default);
  border-radius: var(--sn-radius-lg);
  padding: 28px 24px;
  overflow: hidden;
  transition: border-color var(--sn-dur-base) var(--sn-ease-out),
              transform var(--sn-dur-base) var(--sn-ease-out),
              box-shadow var(--sn-dur-base) var(--sn-ease-out);
}
.svc-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: radial-gradient(ellipse 80% 50% at 100% 0%,
    rgba(56, 189, 248, 0.10), transparent 60%);
  opacity: 0;
  transition: opacity var(--sn-dur-base) var(--sn-ease-out);
}
.svc-card:hover {
  border-color: var(--sn-border-gold);
  transform: translateY(-3px);
  box-shadow: 0 18px 40px -24px rgba(251, 191, 36, 0.35);
}
.svc-card:hover::before { opacity: 1; }

.svc-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}
.svc-card__num {
  font-family: var(--sn-font-mono);
  font-size: 12px;
  color: var(--sn-blue-500);
  letter-spacing: 0.06em;
}
.svc-card__price {
  font-family: var(--sn-font-mono);
  font-size: 13px;
  color: var(--sn-gold-500);
  font-weight: var(--sn-fw-medium);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
/* モニター価格バッジ（ダークテーマ用・緑色） */
.svc-card__badge {
  display: inline-block;
  font-family: var(--sn-font-sans);
  font-size: 10px;
  font-weight: var(--sn-fw-medium);
  letter-spacing: 0.04em;
  color: #22c55e;
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.28);
  border-radius: 100px;
  padding: 2px 9px;
  margin: -8px 0 6px;
  white-space: nowrap;
}
.svc-card__title {
  font-family: var(--sn-font-jp);
  font-size: 20px;
  font-weight: var(--sn-fw-medium);
  letter-spacing: -0.01em;
  margin: 0 0 4px;
  color: var(--sn-fg-1);
}
.svc-card__kicker {
  font-family: var(--sn-font-jp);
  font-size: 12px;
  color: var(--sn-blue-400);
  margin: 0 0 14px;
  letter-spacing: 0.02em;
}
.svc-card__body {
  font-family: var(--sn-font-jp);
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--sn-fg-2);
  margin: 0;
}

/* =====================================================================
   Section 3 — Numbers
   ===================================================================== */
.emph-box {
  position: relative;
  margin: 36px 0;
  padding: 14px 8px 14px 26px;
  border-left: 3px solid var(--sn-gold-500);
  background:
    radial-gradient(ellipse 80% 120% at 30% 50%,
      rgba(251, 191, 36, 0.10) 0%,
      rgba(251, 191, 36, 0.04) 35%,
      transparent 75%);
  overflow: visible;
}
.emph-box::before {
  content: "";
  position: absolute;
  top: 50%;
  left: -40px;
  transform: translateY(-50%);
  width: 220px;
  height: 220px;
  background: radial-gradient(circle at 30% 50%,
    rgba(252, 211, 77, 0.20) 0%,
    rgba(251, 191, 36, 0.08) 25%,
    transparent 60%);
  pointer-events: none;
  filter: blur(2px);
  z-index: 0;
}
.emph-box__text {
  position: relative;
  z-index: 1;
  font-family: var(--sn-font-jp);
  font-size: 17px;
  font-weight: var(--sn-fw-medium);
  line-height: 1.7;
  color: var(--sn-gold-500);
  margin: 0;
  letter-spacing: 0.01em;
}
@media (min-width: 640px) {
  .emph-box__text { font-size: 19px; }
}

.gold-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.gold-list li {
  position: relative;
  padding-left: 22px;
  font-family: var(--sn-font-jp);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--sn-fg-1);
}
.gold-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--sn-gold-500);
  box-shadow: 0 0 8px rgba(251, 191, 36, 0.55);
}

.callout-big {
  font-family: var(--sn-font-jp);
  font-size: 22px;
  font-weight: var(--sn-fw-medium);
  line-height: 1.55;
  color: var(--sn-fg-1);
  margin: 36px 0 0;
  letter-spacing: -0.01em;
}
@media (min-width: 640px) {
  .callout-big { font-size: 26px; }
}

/* =====================================================================
   Section 4 — Philosophy / 3 chapters
   ===================================================================== */
.chapter {
  position: relative;
  padding: 64px 0;
}
.chapter + .chapter {
  border-top: 1px solid var(--sn-border-faint);
}
.chapter__mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sn-font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--sn-blue-500);
  margin: 0 0 18px;
}
.chapter__mark span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--sn-border-blue);
  font-family: var(--sn-font-mono);
  font-size: 11px;
  color: var(--sn-blue-500);
}
.chapter__title {
  font-family: var(--sn-font-jp);
  font-size: 24px;
  font-weight: var(--sn-fw-medium);
  line-height: 1.4;
  color: var(--sn-fg-1);
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}
.chapter__sub {
  font-family: var(--sn-font-jp);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--sn-fg-2);
  margin: 0 0 28px;
}
@media (min-width: 640px) {
  .chapter__title { font-size: 28px; }
}

.pull-quote {
  position: relative;
  margin: 28px 0;
  padding: 20px 22px 22px 28px;
  border-left: 2px solid var(--sn-gold-500);
  background: var(--sn-tint-gold);
  border-radius: 0 var(--sn-radius-md) var(--sn-radius-md) 0;
  font-family: var(--sn-font-jp);
  font-size: 15.5px;
  line-height: 1.75;
  font-weight: var(--sn-fw-medium);
  color: var(--sn-fg-1);
}
.pull-quote::before {
  content: "\201C";
  position: absolute;
  top: -10px;
  left: 14px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 48px;
  color: var(--sn-gold-500);
  opacity: 0.4;
  line-height: 1;
}

.gold-callout {
  position: relative;
  margin: 32px 0;
  padding: 14px 8px 14px 26px;
  border-left: 3px solid var(--sn-gold-500);
  background:
    radial-gradient(ellipse 80% 120% at 30% 50%,
      rgba(251, 191, 36, 0.10) 0%,
      rgba(251, 191, 36, 0.04) 35%,
      transparent 75%);
  font-family: var(--sn-font-jp);
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--sn-gold-500);
  font-weight: var(--sn-fw-medium);
  letter-spacing: 0.01em;
  overflow: visible;
}
.gold-callout::before {
  content: "";
  position: absolute;
  top: 50%;
  left: -40px;
  transform: translateY(-50%);
  width: 220px;
  height: 220px;
  background: radial-gradient(circle at 30% 50%,
    rgba(252, 211, 77, 0.18) 0%,
    rgba(251, 191, 36, 0.07) 25%,
    transparent 60%);
  pointer-events: none;
  filter: blur(2px);
  z-index: 0;
}
.gold-callout > * { position: relative; z-index: 1; }

/* =====================================================================
   Section 5 — About / Profile
   ===================================================================== */
.profile {
  background: var(--sn-bg-secondary);
  border: 1px solid var(--sn-border-default);
  border-radius: var(--sn-radius-xl);
  padding: 32px 24px;
  margin: 24px 0 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.profile::before {
  content: "";
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.10), transparent 70%);
  pointer-events: none;
}

.avatar {
  position: relative;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin-bottom: 20px;
  border: 2px solid var(--sn-border-default);
  overflow: hidden;
  z-index: 1;
}
.avatar::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: conic-gradient(from 180deg, rgba(251,191,36,0.5), rgba(56,189,248,0.4), rgba(251,191,36,0.5));
  z-index: -1;
  filter: blur(8px);
  opacity: 0.45;
}
.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

.profile__name {
  font-family: var(--sn-font-jp);
  font-size: 22px;
  font-weight: var(--sn-fw-medium);
  color: var(--sn-fg-1);
  margin: 0 0 4px;
  letter-spacing: -0.01em;
}
.profile__brand {
  font-family: var(--sn-font-sans);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sn-blue-500);
  margin: 0 0 18px;
}
.profile__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  justify-content: center;
  font-family: var(--sn-font-jp);
  font-size: 12px;
  color: var(--sn-fg-3);
  margin: 0;
  padding: 12px 0 0;
  border-top: 1px solid var(--sn-border-faint);
  width: 100%;
}
.profile__meta span {
  padding: 0 14px;
  position: relative;
}
.profile__meta span + span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  bottom: 3px;
  width: 1px;
  background: var(--sn-border-faint);
}

/* code-style block */
.codeblock {
  margin: 32px 0;
  background: var(--sn-bg-tertiary);
  border: 1px solid var(--sn-border-default);
  border-radius: var(--sn-radius-md);
  overflow: hidden;
  font-family: var(--sn-font-mono);
}
.codeblock__head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--sn-border-faint);
  font-size: 11px;
  color: var(--sn-fg-3);
  letter-spacing: 0.04em;
  background: rgba(0, 0, 0, 0.2);
}
.codeblock__dots {
  display: inline-flex;
  gap: 6px;
}
.codeblock__dots span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
}
.codeblock__dots span:first-child  { background: rgba(239, 68, 68, 0.55); }
.codeblock__dots span:nth-child(2) { background: rgba(245, 158, 11, 0.55); }
.codeblock__dots span:nth-child(3) { background: rgba(16, 185, 129, 0.55); }
.codeblock__file {
  margin-left: auto;
  font-family: var(--sn-font-mono);
  font-size: 11px;
  color: var(--sn-fg-3);
}
.codeblock__body {
  padding: 22px 20px;
  font-family: var(--sn-font-mono);
  font-size: 12.5px;
  line-height: 1.95;
  color: var(--sn-fg-1);
  white-space: pre-line;
  overflow-x: auto;
}
.code-comment { color: var(--sn-fg-3); }
.code-jp      { font-family: var(--sn-font-jp); font-size: 14px; color: var(--sn-fg-1); }
.code-jp--mute { color: var(--sn-fg-2); }
.code-string  { color: var(--sn-blue-400); }
.code-emph    { color: var(--sn-gold-500); }

.closer-gold {
  font-family: var(--sn-font-jp);
  font-size: 14px;
  line-height: 1.8;
  color: var(--sn-gold-500);
  margin: 32px 0 0;
  font-weight: var(--sn-fw-medium);
}

/* =====================================================================
   Section 6 — Final / CTA
   ===================================================================== */
.final {
  position: relative;
  padding: 96px 0 64px;
  background: var(--sn-bg-primary);
  overflow: hidden;
}
.final__nova {
  position: absolute;
  bottom: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle at 50% 50%,
    rgba(252, 211, 77, 0.18) 0%,
    rgba(251, 191, 36, 0.10) 18%,
    rgba(245, 158, 11, 0.04) 38%,
    transparent 65%);
  filter: blur(2px);
  pointer-events: none;
}

.cta-block {
  position: relative;
  z-index: 2;
  margin: 40px 0 0;
  text-align: center;
}
/* Radial nova glow behind button (8s cycle) */
.cta-block::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 14px;
  transform: translateX(-50%);
  width: 360px;
  height: 110px;
  background: radial-gradient(ellipse at center,
    rgba(251, 191, 36, 0.32) 0%,
    rgba(251, 191, 36, 0.10) 40%,
    transparent 72%);
  animation: ctaGlow 8s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 32px;
  background: linear-gradient(135deg, #fcd34d 0%, #fbbf24 50%, #f59e0b 100%);
  animation: ctaNovaPulse 4s ease-in-out infinite;
  color: var(--sn-bg-primary);
  font-family: var(--sn-font-jp);
  font-size: 16px;
  font-weight: var(--sn-fw-semibold);
  letter-spacing: 0.04em;
  border-radius: var(--sn-radius-pill);
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.2);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
  position: relative;
  z-index: 1;
  transition: transform var(--sn-dur-base) var(--sn-ease-out),
              box-shadow var(--sn-dur-base) var(--sn-ease-out);
}
@keyframes ctaNovaPulse {
  0%, 100% {
    filter: brightness(1.0);
    box-shadow:
      0 0 0 1px rgba(251, 191, 36, 0.25),
      0 10px 28px -8px rgba(251, 191, 36, 0.50),
      0 0 22px rgba(251, 191, 36, 0.18),
      inset 0 1px 0 rgba(255, 255, 255, 0.35);
  }
  50% {
    filter: brightness(1.10);
    box-shadow:
      0 0 0 1px rgba(251, 191, 36, 0.45),
      0 14px 42px -8px rgba(251, 191, 36, 0.80),
      0 0 52px rgba(251, 191, 36, 0.42),
      inset 0 1px 0 rgba(255, 255, 255, 0.45);
  }
}
@keyframes ctaGlow {
  0%, 100% { opacity: 0.5; transform: translateX(-50%) scale(1);    }
  50%       { opacity: 1.0; transform: translateX(-50%) scale(1.25); }
}
.cta-btn:hover {
  transform: translateY(-2px);
  text-decoration: none;
  color: var(--sn-bg-primary);
}
.cta-btn:active { transform: translateY(0) scale(0.985); }
.cta-btn__arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--sn-bg-primary);
  color: var(--sn-gold-500);
  font-size: 13px;
  transition: transform var(--sn-dur-base) var(--sn-ease-out);
}
.cta-btn:hover .cta-btn__arrow { transform: translateX(3px); }
@media (prefers-reduced-motion: reduce) {
  .cta-btn,
  .cta-block::before { animation: none; }
  .cta-btn {
    box-shadow:
      0 0 0 1px rgba(251, 191, 36, 0.25),
      0 10px 28px -8px rgba(251, 191, 36, 0.50),
      inset 0 1px 0 rgba(255, 255, 255, 0.35);
  }
}

.cta-sub {
  display: block;
  margin: 22px 0 0;
  font-family: var(--sn-font-jp);
  font-size: 13px;
  color: var(--sn-fg-2);
  line-height: 1.7;
}
.cta-sub a {
  color: var(--sn-blue-400);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(125, 211, 252, 0.4);
}
.cta-sub a:hover { color: var(--sn-blue-500); text-decoration-color: currentColor; }

/* ---------- footer ---------- */
.lp-footer {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 80px 0 36px;
}
.lp-footer__logo {
  display: inline-block;
  margin: 0 0 14px;
  filter:
    drop-shadow(0 0 24px rgba(251, 191, 36, 0.22))
    drop-shadow(0 0 8px rgba(56, 189, 248, 0.18));
}
.lp-footer__logo img {
  display: block;
  height: 110px;
  width: auto;
  filter: invert(1) hue-rotate(180deg)
          drop-shadow(0 0 28px rgba(251, 191, 36, 0.28))
          drop-shadow(0 0 10px rgba(56, 189, 248, 0.22));
}
@media (min-width: 640px) {
  .lp-footer__logo img { height: 120px; }
}
.lp-footer__tag {
  font-family: var(--sn-font-sans);
  font-size: 9px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--sn-blue-500);
  margin: 0 0 24px;
}
.lp-footer__copy {
  font-family: var(--sn-font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--sn-fg-4);
  margin: 0;
}