/* ==========================================================================
   Poker Lab Inc. — Plan C "Day Lab" (2026-07)
   B案(Night Lab)の演出そのまま × 白ベース — 紫ロゴが映える明背景
   particle nebula hero / typewriter / char-stagger / tilt / glow cards
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  /* Day palette — V5.5 white-base brand purple */
  --nb-bg: #ffffff;
  --nb-bg-2: #f6f5fa;
  --nb-surface: #ffffff;
  --nb-surface-2: #efecf8;
  --nb-line: #e6e4ee;
  --nb-line-strong: #d4d0e4;

  --nb-text: #1f1d2c;
  --nb-text-2: #45425a;
  --nb-text-3: #8a86a3;

  --nb-brand: #3a2d7c;
  --nb-brand-soft: #6b5fb0;
  --nb-brand-deep: #2b2160;
  --nb-glow: rgba(58, 45, 124, 0.22);
  --nb-wash: rgba(107, 95, 176, 0.1);

  /* Motion */
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 200ms;
  --dur-base: 420ms;

  /* Type */
  --font-display: 'Space Grotesk', 'Noto Sans JP', sans-serif;
  --font-jp: 'Noto Sans JP', 'Hiragino Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Menlo', monospace;

  --wrap-max: 1120px;
  --header-h: 72px;
}

/* ---------- 2. Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-jp);
  font-size: 15px;
  line-height: 1.9;
  color: var(--nb-text);
  background: var(--nb-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--nb-brand); text-decoration: none; }
h1, h2, h3, h4, h5 { margin: 0; line-height: 1.4; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }

::selection { background: var(--nb-brand); color: #fff; }

:focus-visible {
  outline: 3px solid var(--nb-brand-soft);
  outline-offset: 3px;
  border-radius: 4px;
}

.wrap { max-width: var(--wrap-max); margin: 0 auto; padding: 0 28px; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: fixed; top: -48px; left: 16px; z-index: 300;
  padding: 10px 18px;
  background: var(--nb-brand); color: #fff;
  border-radius: 10px;
  font-size: 13px; font-weight: 700;
  transition: top var(--dur-fast) var(--ease-smooth);
}
.skip-link:focus { top: 12px; }

/* ---------- 3. Scroll progress ---------- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 3px;
  z-index: 200;
  background: linear-gradient(90deg, var(--nb-brand-deep), var(--nb-brand), var(--nb-brand-soft));
  transform-origin: left center;
  transform: scaleX(0);
  pointer-events: none;
}

/* ---------- 4. Header ---------- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  transition: background var(--dur-base) var(--ease-smooth), box-shadow var(--dur-base) var(--ease-smooth);
}
.header.is-scrolled {
  background: rgba(255, 255, 255, 0.78);
  -webkit-backdrop-filter: blur(16px) saturate(1.5);
  backdrop-filter: blur(16px) saturate(1.5);
  box-shadow: 0 1px 0 rgba(31, 29, 44, 0.06), 0 12px 32px -20px rgba(43, 33, 96, 0.18);
}

.header-inner { display: flex; align-items: center; gap: 32px; height: var(--header-h); }

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--nb-text);
}
.logo-mark-img {
  width: 34px; height: 34px;
  transition: transform var(--dur-base) var(--ease-spring);
}
.logo:hover .logo-mark-img { transform: rotate(-10deg) scale(1.08); }

.nav { display: flex; gap: 6px; margin-left: auto; }
.nav a {
  position: relative;
  padding: 8px 14px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--nb-text-2);
  transition: color var(--dur-fast) var(--ease-smooth);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 2px;
  height: 2px;
  background: linear-gradient(90deg, var(--nb-brand), var(--nb-brand-soft));
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur-base) var(--ease-spring);
}
.nav a:hover { color: var(--nb-brand); }
.nav a:hover::after { transform: scaleX(1); }

.btn-contact {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  background: linear-gradient(135deg, var(--nb-brand-soft) -20%, var(--nb-brand) 60%);
  color: #fff;
  font-size: 13.5px;
  font-weight: 700;
  border-radius: 999px;
  box-shadow: 0 8px 24px -8px rgba(58, 45, 124, 0.45);
  transition: transform var(--dur-base) var(--ease-spring), box-shadow var(--dur-base) var(--ease-smooth), filter var(--dur-fast) var(--ease-smooth);
}
.btn-contact:hover {
  transform: translateY(-2px) scale(1.04);
  filter: brightness(1.08);
  box-shadow: 0 14px 34px -10px rgba(58, 45, 124, 0.55);
}
.btn-contact:active { transform: translateY(0) scale(0.97); }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  padding: 10px;
  background: transparent;
  border: 0;
  color: var(--nb-text);
}
.nav-toggle svg { width: 100%; height: 100%; }

/* ---------- 5. Mobile menu ---------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 150;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  padding: 80px 36px;
  background: linear-gradient(160deg, var(--nb-brand-deep) 0%, var(--nb-brand) 100%);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-base) var(--ease-smooth), visibility 0s linear var(--dur-base);
}
.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
  transition: opacity var(--dur-base) var(--ease-smooth);
}
.mobile-menu > a {
  color: #fff;
  font-size: 26px;
  font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  padding: 10px 0;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-base) var(--ease-smooth), transform 700ms var(--ease-spring);
}
.mobile-menu.is-open > a { opacity: 1; transform: translateY(0); }
.mobile-menu.is-open > a:nth-child(2) { transition-delay: 60ms; }
.mobile-menu.is-open > a:nth-child(3) { transition-delay: 120ms; }
.mobile-menu.is-open > a:nth-child(4) { transition-delay: 180ms; }
.mobile-menu.is-open > a:nth-child(5) { transition-delay: 240ms; }
.mobile-menu > a.btn-contact {
  align-self: flex-start;
  margin-top: 18px;
  font-size: 16px;
  background: #fff;
  color: var(--nb-brand);
}
.nav-close {
  position: absolute;
  top: 16px; right: 20px;
  width: 48px; height: 48px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.12);
  border: 0;
  border-radius: 50%;
  color: #fff;
}
.nav-close svg { width: 100%; height: 100%; }

/* ---------- 6. Hero — particle nebula (day) ---------- */
.hero {
  position: relative;
  min-height: 82vh;
  min-height: 82svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: calc(var(--header-h) + 36px) 0 64px;
  background:
    radial-gradient(1000px 700px at 50% -10%, rgba(107, 95, 176, 0.14), transparent 65%),
    radial-gradient(800px 500px at 85% 100%, rgba(228, 223, 245, 0.5), transparent 60%),
    var(--nb-bg);
}
#nebula {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}
.hero::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 140px;
  background: linear-gradient(180deg, transparent, var(--nb-bg));
  pointer-events: none;
  z-index: 1;
}

.hero-text {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: 0 24px;
}


.hero-title {
  font-size: clamp(38px, 6vw, 70px);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--nb-text);
}

/* typewriter word */
.typer-wrap { color: var(--nb-brand); }
.typer {
  display: inline-block;
  min-width: 1ch;
  text-align: left;
}
.typer-caret {
  display: inline-block;
  width: 3px;
  height: 0.95em;
  margin-left: 4px;
  vertical-align: -0.08em;
  background: var(--nb-brand-soft);
  animation: caret-blink 1.1s steps(1) infinite;
}
@keyframes caret-blink { 50% { opacity: 0; } }
.typer-static { display: none; }

.hero-descs { margin-top: 30px; }
.hero-desc {
  font-size: clamp(14.5px, 1.6vw, 17px);
  font-weight: 500;
  line-height: 2.15;
  color: var(--nb-text-2);
}
.hero-desc strong { color: var(--nb-text); font-weight: 700; }

/* Load choreography */
.lo {
  opacity: 0;
  transform: translateY(30px);
  animation: lo-in 1.1s var(--ease-expo) forwards;
}
.lo-1 { animation-delay: 0.15s; }
.lo-2 { animation-delay: 0.35s; }
.lo-3 { animation-delay: 0.6s; }
@keyframes lo-in { to { opacity: 1; transform: translateY(0); } }

/* ---------- 7. Sections ---------- */
.section {
  position: relative;
  padding: 64px 0 130px;
  overflow: hidden;
}
.section-alt { background: var(--nb-bg-2); }

/* A案のセクション背景パターン (ドット+円弧) */
.section-pattern-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.pattern-dots {
  position: absolute;
  width: 340px; height: 300px;
  left: -50px; top: -40px;
}
.pattern-arc {
  position: absolute;
  width: 460px; height: 460px;
  right: -120px; bottom: -160px;
}
.pattern-arc--service { right: -140px; top: -180px; bottom: auto; }

.section .wrap { position: relative; z-index: 1; }

.section-head { max-width: 780px; margin-bottom: 64px; }

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--nb-brand-soft);
  margin: 0 0 16px;
}
.section-eyebrow::before {
  content: "";
  width: 30px; height: 1.5px;
  background: linear-gradient(90deg, var(--nb-brand), transparent);
}

.section-title {
  font-size: clamp(28px, 3.8vw, 44px);
  font-weight: 900;
  letter-spacing: 0.01em;
  line-height: 1.4;
  color: var(--nb-text);
}
.split-title .ch {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.6em) rotate(4deg);
  transition: opacity 0.7s var(--ease-expo), transform 0.7s var(--ease-expo);
  transition-delay: calc(var(--ci) * 34ms);
}
.split-title.in .ch { opacity: 1; transform: translateY(0) rotate(0); }

.section-note {
  margin-top: 14px;
  font-size: 14.5px;
  color: var(--nb-text-2);
}

/* ---------- 8. Cards (glow + tilt, light) ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  perspective: 1400px;
}
.card-grid--two {
  grid-template-columns: repeat(2, 1fr);
  max-width: 920px;
  margin-inline: auto;
}

.glow-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--nb-surface);
  border: 1px solid var(--nb-line);
  border-radius: 18px;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform var(--dur-base) var(--ease-smooth), border-color var(--dur-base) var(--ease-smooth), box-shadow var(--dur-base) var(--ease-smooth);
}
.glow-card:hover {
  border-color: transparent;
  box-shadow: 0 0 0 1px var(--nb-line-strong), 0 30px 60px -28px rgba(43, 33, 96, 0.3), 0 0 50px -20px var(--nb-glow);
}
/* rotating glow border on hover */
.glow-card::before {
  content: "";
  position: absolute;
  inset: -60%;
  z-index: 0;
  background: conic-gradient(transparent 0deg, transparent 260deg, var(--nb-brand-soft) 310deg, transparent 360deg);
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-smooth);
  animation: spin 3.2s linear infinite paused;
  pointer-events: none;
}
.glow-card:hover::before { opacity: 0.5; animation-play-state: running; }
@keyframes spin { to { transform: rotate(360deg); } }
.glow-card-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  flex: 1;
  margin: 1px;
  border-radius: 17px;
  background: var(--nb-surface);
  overflow: hidden;
}

.card-thumb {
  position: relative;
  aspect-ratio: 16 / 9.4;
  overflow: hidden;
  background: var(--nb-surface-2);
}
.card-thumb-img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.1s var(--ease-expo);
}
.glow-card:hover .card-thumb-img { transform: scale(1.06); }

.card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 26px 26px 24px;
}
.card-name { font-size: 19px; font-weight: 800; color: var(--nb-text); }
.card-tag {
  display: inline-block;
  align-self: flex-start;
  margin-top: 10px;
  padding: 3px 12px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--nb-brand);
  background: var(--nb-wash);
  border: 1px solid var(--nb-line);
  border-radius: 999px;
}
.card-desc {
  margin-top: 14px;
  margin-bottom: 18px;
  font-size: 14px;
  line-height: 1.95;
  color: var(--nb-text-2);
}
.card-desc strong { color: var(--nb-text); }

.card-bullets { display: grid; gap: 8px; }
.card-bullets li {
  position: relative;
  padding-left: 20px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--nb-text-2);
}
.card-bullets li::before {
  content: "";
  position: absolute;
  left: 2px; top: 10px;
  width: 7px; height: 7px;
  border-radius: 2px;
  background: var(--nb-brand-soft);
  transform: rotate(45deg);
}

/* card buttons */
.card-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: auto;
  align-self: flex-end;
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 700;
  color: var(--nb-brand);
  background: var(--nb-bg);
  border: 1.5px solid var(--nb-line-strong);
  border-radius: 999px;
  transition: transform var(--dur-base) var(--ease-spring), background var(--dur-fast) var(--ease-smooth), border-color var(--dur-fast) var(--ease-smooth), color var(--dur-fast) var(--ease-smooth), box-shadow var(--dur-base) var(--ease-smooth);
}
.card-link:hover {
  border-color: var(--nb-brand);
  background: var(--nb-surface-2);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -12px rgba(58, 45, 124, 0.35);
}
.card-link:active { transform: translateY(0) scale(0.97); }
.card-link svg { transition: transform var(--dur-base) var(--ease-spring); }
.card-link:hover svg { transform: translateX(4px); }

.card-link--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--nb-brand-soft) -20%, var(--nb-brand) 60%);
  border-color: transparent;
  box-shadow: 0 8px 24px -10px rgba(58, 45, 124, 0.45);
}
.card-link--primary:hover {
  color: #fff;
  background: linear-gradient(135deg, var(--nb-brand-soft) -20%, var(--nb-brand) 60%);
  filter: brightness(1.08);
  box-shadow: 0 14px 32px -10px rgba(58, 45, 124, 0.55);
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 28px;
}
.card-actions .card-link { margin-top: 0; padding: 10px 14px; }

/* ---------- 9. Works page ---------- */
.works-block {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
}
.works-block:first-of-type {
  padding-top: calc(var(--header-h) + 92px);
  background: radial-gradient(900px 500px at 85% -20%, rgba(107, 95, 176, 0.12), transparent 62%), var(--nb-bg);
}
.works-block--alt { background: var(--nb-bg-2); }

.works-num {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--nb-brand-soft);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.works-num::before {
  content: "";
  width: 30px; height: 1.5px;
  background: linear-gradient(90deg, var(--nb-brand), transparent);
}

.works-lead { margin-top: 16px; font-size: 14.5px; color: var(--nb-text-2); max-width: 760px; }
.works-lead strong { color: var(--nb-text); }

.works-accent { color: var(--nb-brand); }

/* mini service cards */
.ws-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  perspective: 1400px;
}
.ws-card .glow-card-inner { padding: 30px 28px; }
.ws-head { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; }
.ws-illust {
  flex: 0 0 64px;
  width: 64px; height: 64px;
  padding: 12px;
  color: var(--nb-brand);
  background: var(--nb-surface-2);
  border: 1px solid var(--nb-line);
  border-radius: 12px;
  transition: transform var(--dur-base) var(--ease-spring);
}
.glow-card:hover .ws-illust { transform: rotate(-5deg) scale(1.08); }
.ws-illust svg { width: 100%; height: 100%; }
.ws-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--nb-brand-soft);
}
.ws-title { font-size: 20px; font-weight: 800; margin-top: 2px; color: var(--nb-text); }
.ws-desc { font-size: 13.5px; line-height: 1.95; color: var(--nb-text-2); }
.ws-desc strong { color: var(--nb-text); }
.ws-features {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed var(--nb-line-strong);
  display: grid;
  gap: 7px;
}
.ws-features li {
  position: relative;
  padding-left: 20px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--nb-text-2);
}
.ws-features li::before {
  content: "";
  position: absolute;
  left: 2px; top: 8px;
  width: 7px; height: 7px;
  border-radius: 2px;
  background: var(--nb-brand-soft);
  transform: rotate(45deg);
}

/* capabilities */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  perspective: 1400px;
}
.cap-card .glow-card-inner { padding: 26px 24px; }
.cap-icon {
  width: 46px; height: 46px;
  color: var(--nb-brand);
  margin-bottom: 16px;
  transition: transform var(--dur-base) var(--ease-spring);
}
.glow-card:hover .cap-icon { transform: translateY(-3px) scale(1.1); }
.cap-icon svg { width: 100%; height: 100%; }
.cap-title { font-size: 16px; font-weight: 800; margin-bottom: 8px; color: var(--nb-text); }
.cap-desc { font-size: 13px; line-height: 1.9; color: var(--nb-text-2); }

/* filter */
.works-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 34px;
}
.works-filter button {
  padding: 9px 20px;
  font-size: 13px;
  font-weight: 700;
  color: var(--nb-text-2);
  background: var(--nb-bg);
  border: 1px solid var(--nb-line-strong);
  border-radius: 999px;
  transition: all var(--dur-base) var(--ease-spring);
}
.works-filter button:hover {
  color: var(--nb-brand);
  border-color: var(--nb-brand-soft);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px -10px rgba(58, 45, 124, 0.3);
}
.works-filter button.active {
  color: #fff;
  background: linear-gradient(135deg, var(--nb-brand-soft) -20%, var(--nb-brand) 60%);
  border-color: transparent;
  box-shadow: 0 8px 24px -8px rgba(58, 45, 124, 0.4);
}

/* project cards */
.pj-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  perspective: 1400px;
}
.pj-card .glow-card-inner { padding: 26px 24px; }
.pj-card.is-hiding { opacity: 0; transform: scale(0.96); }
.pj-card.is-hidden { display: none; }
.pj-card.is-entering { opacity: 0; transform: translateY(16px) scale(0.97); }
.pj-card { transition: transform var(--dur-base) var(--ease-smooth), border-color var(--dur-base) var(--ease-smooth), box-shadow var(--dur-base) var(--ease-smooth), opacity var(--dur-fast) var(--ease-smooth); }

.pj-badge {
  position: absolute;
  top: 20px; right: 20px;
  z-index: 2;
  padding: 3px 12px;
  font-size: 11px;
  font-weight: 700;
  color: var(--nb-brand);
  background: var(--nb-surface-2);
  border: 1px solid var(--nb-line);
  border-radius: 999px;
}
.pj-head { display: flex; flex-direction: column; gap: 14px; margin-bottom: 12px; padding-right: 90px; }
.pj-icon {
  width: 42px; height: 42px;
  padding: 9px;
  color: var(--nb-brand);
  background: var(--nb-surface-2);
  border: 1px solid var(--nb-line);
  border-radius: 10px;
  transition: transform var(--dur-base) var(--ease-spring);
}
.glow-card:hover .pj-icon { transform: rotate(-6deg) scale(1.1); }
.pj-icon svg { width: 100%; height: 100%; }
.pj-title { font-size: 16.5px; font-weight: 800; line-height: 1.5; color: var(--nb-text); }
.pj-summary { font-size: 13px; line-height: 1.9; color: var(--nb-text-2); }
.pj-meta {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--nb-line-strong);
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 6px 12px;
  font-size: 12px;
}
.pj-meta dt { font-weight: 700; color: var(--nb-brand-soft); }
.pj-meta dd { margin: 0; color: var(--nb-text-2); }

/* works CTA — 白ベースでは紫グラデ面で締める */
.works-cta {
  position: relative;
  padding: 130px 0;
  overflow: hidden;
  background: linear-gradient(160deg, var(--nb-brand-deep) 0%, var(--nb-brand) 78%);
  text-align: center;
}
.works-cta-inner { position: relative; z-index: 1; max-width: 880px; margin: 0 auto; }
.works-cta .works-num { color: rgba(255, 255, 255, 0.6); }
.works-cta-title {
  font-size: clamp(24px, 3.2vw, 34px);
  font-weight: 900;
  line-height: 1.6;
  color: #fff;
}
.works-cta .works-accent { color: #fff; }
.works-cta-lead { margin-top: 18px; font-size: 15px; color: rgba(255, 255, 255, 0.82); }
.works-cta-lead strong { color: #fff; }
.works-cta-buttons { display: flex; justify-content: center; margin-top: 36px; }
.works-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 38px;
  font-size: 15px;
  font-weight: 800;
  color: var(--nb-brand);
  background: #fff;
  border-radius: 999px;
  box-shadow: 0 16px 44px -12px rgba(0, 0, 0, 0.35);
  transition: transform var(--dur-base) var(--ease-spring), box-shadow var(--dur-base) var(--ease-smooth);
}
.works-cta-btn:hover {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 22px 56px -14px rgba(0, 0, 0, 0.45);
}
.works-cta-btn:active { transform: scale(0.97); }
.works-cta-btn svg { transition: transform var(--dur-base) var(--ease-spring); }
.works-cta-btn:hover svg { transform: translateX(4px); }

/* ---------- 10. Contact ---------- */
.contact-hero {
  position: relative;
  padding: calc(var(--header-h) + 92px) 0 60px;
  overflow: hidden;
  background: radial-gradient(900px 500px at 85% -20%, rgba(107, 95, 176, 0.12), transparent 62%), var(--nb-bg);
}
.contact-hero-title {
  font-size: clamp(32px, 4.6vw, 50px);
  font-weight: 900;
  line-height: 1.3;
  color: var(--nb-text);
}
.contact-hero-lead { margin-top: 18px; font-size: 15px; color: var(--nb-text-2); }

.contact-form-card {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  background: var(--nb-surface);
  border: 1px solid var(--nb-line);
  border-radius: 22px;
  padding: 44px 44px 36px;
  box-shadow: 0 40px 80px -48px rgba(43, 33, 96, 0.25);
}

.contact-field { margin-bottom: 24px; }
.contact-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--nb-text);
  margin-bottom: 9px;
}
.contact-required {
  padding: 1px 9px;
  font-size: 10.5px;
  font-weight: 700;
  color: #fff;
  background: var(--nb-brand);
  border-radius: 999px;
}
.contact-input, .contact-select, .contact-textarea {
  width: 100%;
  padding: 13px 16px;
  font-family: inherit;
  font-size: 14.5px;
  color: var(--nb-text);
  background: var(--nb-bg-2);
  border: 1.5px solid transparent;
  border-radius: 10px;
  outline: none;
  transition: border-color var(--dur-fast) var(--ease-smooth), background var(--dur-fast) var(--ease-smooth), box-shadow var(--dur-base) var(--ease-smooth);
}
.contact-input:focus, .contact-select:focus, .contact-textarea:focus {
  background: var(--nb-bg);
  border-color: var(--nb-brand-soft);
  box-shadow: 0 0 0 4px var(--nb-surface-2);
}
.contact-input::placeholder, .contact-textarea::placeholder { color: var(--nb-text-3); }
.contact-textarea { resize: vertical; min-height: 160px; }
.contact-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236b5fb0' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}

.contact-submit-wrap { margin-top: 30px; }
.contact-submit {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 40px;
  font-size: 15px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, var(--nb-brand-soft) -20%, var(--nb-brand) 60%);
  border: 0;
  border-radius: 999px;
  box-shadow: 0 10px 30px -10px rgba(58, 45, 124, 0.45);
  transition: transform var(--dur-base) var(--ease-spring), filter var(--dur-fast) var(--ease-smooth), box-shadow var(--dur-base) var(--ease-smooth);
}
.contact-submit:hover {
  transform: translateY(-2px) scale(1.03);
  filter: brightness(1.08);
}
.contact-submit:active { transform: scale(0.97); }
.contact-submit:disabled { opacity: 0.6; transform: none; cursor: wait; }

.contact-msg {
  display: none;
  margin-top: 18px;
  padding: 13px 18px;
  font-size: 13.5px;
  font-weight: 600;
  border-radius: 10px;
}
.contact-msg--success {
  color: var(--nb-brand-deep);
  background: var(--nb-surface-2);
  border: 1px solid var(--nb-line-strong);
}
.contact-msg--error {
  color: #8c2f39;
  background: #fbeef0;
  border: 1px solid #f2d7db;
}
.contact-footer-note { margin-top: 26px; font-size: 12px; color: var(--nb-text-3); }

/* ---------- 11. Footer — ダーク紫で締める(紫ロゴが映える) ---------- */
.footer {
  position: relative;
  background: #1e1745;
  color: #b9b3d6;
  padding: 72px 0 36px;
  overflow: hidden;
}
.footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(700px 380px at 88% 0%, rgba(107, 95, 176, 0.18), transparent 60%);
  pointer-events: none;
}
.footer .wrap { position: relative; z-index: 1; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 44px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer .logo { color: #fff; }
.footer-about { margin-top: 18px; font-size: 14px; font-weight: 700; color: #fff; }
.footer-note { font-size: 12px; font-weight: 500; color: #8a82c2; }
.footer-tagline { margin-top: 10px; font-size: 13px; line-height: 2; color: #8a82c2; }
.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.24em;
  color: #fff;
  margin-bottom: 18px;
}
.footer-col ul { display: grid; gap: 11px; }
.footer-col a {
  position: relative;
  font-size: 13px;
  color: #b9b3d6;
  transition: color var(--dur-fast) var(--ease-smooth), padding-left var(--dur-base) var(--ease-spring);
}
.footer-col a:hover { color: #fff; padding-left: 8px; }
.footer-disabled { font-size: 13px; color: #6f6890; cursor: default; }
.footer-disabled-note { font-size: 11px; }
.copyright {
  padding-top: 30px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: #7d76a0;
  text-align: center;
}

/* ---------- 12. Reveal system ---------- */
.js-reveal-ready .reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.95s var(--ease-expo), transform 0.95s var(--ease-expo);
  transition-delay: calc(var(--i, 0) * 100ms);
}
.js-reveal-ready .reveal:not(.in) { will-change: opacity, transform; }
.js-reveal-ready .reveal.in { opacity: 1; transform: translateY(0); }

/* ---------- 13. Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .lo { opacity: 1; transform: none; animation: none; }
  #nebula { display: none; }
  .typer-wrap { display: none; }
  .typer-static { display: inline; color: var(--nb-brand); }
  .split-title .ch { opacity: 1; transform: none; }
  .scroll-progress { display: none; }
}

/* ---------- 14. Responsive ---------- */
@media (max-width: 1024px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
  .pj-grid { grid-template-columns: repeat(2, 1fr); }
  .ws-grid { grid-template-columns: 1fr; max-width: 620px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  body { font-size: 14.5px; }
  .nav { display: none; }
  .header .btn-contact { display: none; }
  .nav-toggle { display: block; margin-left: auto; }

  .hero { min-height: 78svh; }
  .hero-title { font-size: clamp(31px, 8.6vw, 42px); }
  /* 狭幅は星雲を全体的に薄めて本文を立てる */
  #nebula { opacity: 0.55; }
  .pattern-dots, .pattern-arc { opacity: 0.6; }

  .section { padding: 48px 0 84px; }
  .section-head { margin-bottom: 44px; }
  .card-grid, .card-grid--two { grid-template-columns: 1fr; }

  .works-block { padding: 72px 0; }
  .cap-grid { grid-template-columns: 1fr; }
  .pj-grid { grid-template-columns: 1fr; }
  .pj-head { padding-right: 0; padding-top: 26px; }

  .contact-form-card { padding: 30px 22px 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}

@media (max-width: 480px) {
  .wrap { padding: 0 20px; }
  .works-filter button { padding: 8px 15px; font-size: 12px; }
}