:root {
  --color-bg-deep: #0a0e2a;
  --color-bg-navy: #141b45;
  --color-bg-navy-2: #1b2456;
  --color-bg-purple: #2a1a52;
  --color-accent-teal: #2dd4c5;
  --color-accent-teal-dark: #1aa89c;
  --color-accent-pink: #ff8fab;
  --color-accent-gold: #f2b705;
  --color-text: #f5f7ff;
  --color-text-muted: #b8c0e0;
  --color-border: rgba(255, 255, 255, 0.1);
  --shadow-glow: 0 0 40px rgba(45, 212, 197, 0.25);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --font-heading: 'Montserrat', 'Noto Sans TC', sans-serif;
  --font-body: 'Noto Sans TC', 'Montserrat', sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background-color: var(--color-bg-deep);
  background-image: linear-gradient(180deg, var(--color-bg-deep) 0%, var(--color-bg-navy) 40%, var(--color-bg-purple) 100%);
  background-attachment: fixed;
  overscroll-behavior-y: none;
}

body {
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  overscroll-behavior-y: none;
}

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

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

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Star background (enhanced) ---------- */
.bg-stars {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
  background-image:
    radial-gradient(2.8px 2.8px at 20% 30%, rgba(255,255,255,0.7), transparent),
    radial-gradient(2.1px 2.1px at 60% 70%, rgba(255,255,255,0.5), transparent),
    radial-gradient(2.1px 2.1px at 80% 20%, rgba(255,255,255,0.45), transparent),
    radial-gradient(2.8px 2.8px at 40% 85%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1.4px 1.4px at 90% 60%, rgba(255,255,255,0.6), transparent),
    radial-gradient(2.1px 2.1px at 10% 65%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1.4px 1.4px at 55% 15%, rgba(255,255,255,0.5), transparent),
    radial-gradient(2.8px 2.8px at 75% 45%, rgba(255,255,255,0.35), transparent),
    radial-gradient(1.4px 1.4px at 30% 50%, rgba(255,255,255,0.4), transparent),
    radial-gradient(2.1px 2.1px at 95% 85%, rgba(255,255,255,0.55), transparent),
    radial-gradient(1.4px 1.4px at 15% 10%, rgba(255,255,255,0.4), transparent),
    radial-gradient(2.1px 2.1px at 50% 55%, rgba(255,255,255,0.3), transparent),
    radial-gradient(2.8px 2.8px at 68% 30%, rgba(45,212,197,0.25), transparent),
    radial-gradient(1.4px 1.4px at 85% 75%, rgba(255,255,255,0.45), transparent),
    radial-gradient(2.1px 2.1px at 35% 20%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1.4px 1.4px at 5% 40%, rgba(255,255,255,0.35), transparent),
    radial-gradient(2.8px 2.8px at 45% 95%, rgba(255,143,171,0.2), transparent),
    radial-gradient(1.4px 1.4px at 70% 80%, rgba(255,255,255,0.4), transparent);
  background-repeat: repeat;
  background-size: 260px 260px;
}

.bg-stars::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1.4px 1.4px at 25% 60%, rgba(255,255,255,0.5), transparent),
    radial-gradient(2.1px 2.1px at 72% 12%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1.4px 1.4px at 88% 38%, rgba(255,255,255,0.35), transparent),
    radial-gradient(2.8px 2.8px at 12% 88%, rgba(255,255,255,0.45), transparent),
    radial-gradient(1.4px 1.4px at 58% 42%, rgba(45,212,197,0.2), transparent);
  background-repeat: repeat;
  background-size: 220px 220px;
}

/* Individually-generated stars (see script.js) twinkle out of phase with each other */
.star {
  position: absolute;
  border-radius: 50%;
  background: var(--star-color, #ffffff);
  box-shadow: 0 0 4px 1px var(--star-color, rgba(255, 255, 255, 0.5));
  animation-name: star-twinkle;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
  animation-duration: var(--star-duration, 4s);
  animation-delay: var(--star-delay, 0s);
}

@keyframes star-twinkle {
  0%, 100% { opacity: var(--star-min, 0.15); }
  50% { opacity: 1; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent-teal), var(--color-accent-teal-dark));
  color: #06251f;
  box-shadow: 0 8px 24px rgba(45, 212, 197, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(45, 212, 197, 0.45);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
}

.btn-outline {
  display: block;
  text-align: center;
  background: none;
  border: 1px solid var(--color-accent-teal);
  color: var(--color-accent-teal);
  margin-top: 20px;
}

.btn-outline:hover {
  background: rgba(45, 212, 197, 0.12);
}

/* ---------- In-app-browser escape hint ---------- */
.iab-banner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 16px;
  background: rgba(255, 143, 171, 0.14);
  border-bottom: 1px solid rgba(255, 143, 171, 0.35);
  color: var(--color-text);
  font-size: 0.9rem;
  padding: 10px 20px;
}

.iab-banner-text {
  flex: 1 1 240px;
}

.iab-banner-btn {
  margin: 0;
  padding: 6px 14px;
  font-size: 0.85rem;
  white-space: nowrap;
}

.iab-banner-close {
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.1rem;
  line-height: 1;
  padding: 4px 8px;
  opacity: 0.7;
  cursor: pointer;
}

.iab-banner-close:hover {
  opacity: 1;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(10, 14, 42, 0.75);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-mark {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.brand-word {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
}

.brand-octo {
  color: var(--color-text);
}

.brand-friends {
  color: var(--color-accent-teal);
}

.main-nav {
  display: flex;
  gap: 28px;
  margin: 0 auto;
  font-weight: 500;
  color: var(--color-text-muted);
}

.main-nav a:hover,
.main-nav a.is-active {
  color: var(--color-text);
}

.main-nav a.is-active {
  color: var(--color-accent-teal);
  font-weight: 700;
}

.btn-nav-cta {
  padding: 10px 20px;
  font-size: 0.85rem;
}

.bgm-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 50%;
  border: none;
  background: none;
  cursor: pointer;
  transition: transform 0.15s ease;
}

.bgm-toggle:hover {
  transform: translateY(-2px) scale(1.06);
}

.bgm-icon img {
  display: block;
  height: 34px;
  width: auto;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  flex-shrink: 0;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
}

/* ---------- Hero video banner ---------- */
.hero-banner {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 80vh;
  overflow: hidden;
}

.hero-banner video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 190px 0 170px;
  text-align: center;
}

.hero-inner {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 14, 42, 0.55) 0%, rgba(10, 14, 42, 0.85) 100%);
}

.eyebrow {
  color: var(--color-accent-gold);
  font-weight: 700;
  letter-spacing: 0.06em;
  margin: 0 0 12px;
  font-size: 0.95rem;
}

.hero-inner h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3.4vw, 2.5rem);
  line-height: 1.35;
  margin: 0 0 20px;
  font-weight: 800;
}

.hero-name-highlight {
  display: block;
  font-size: clamp(2.7rem, 6.5vw, 4.6rem);
  letter-spacing: 0.02em;
}

.hero-tagline {
  display: block;
  font-size: clamp(1.45rem, 3.1vw, 2.15rem);
  margin-top: 20px;
  letter-spacing: 0.02em;
}

.accent-teal {
  color: var(--color-accent-teal);
}

.accent-pink {
  color: var(--color-accent-pink);
}

.bubbles-icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: -0.12em;
  margin-left: 0.1em;
}

.hero-sub {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  max-width: 50ch;
  margin: 0 auto 40px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.hero-cta .btn {
  padding: 15px 32px;
  font-size: 1rem;
}


/* ---------- Sections ---------- */
.section {
  position: relative;
  padding: 90px 0;
}

.section-alt {
  background: rgba(255, 255, 255, 0.02);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  font-weight: 800;
  text-align: center;
  margin: 0 0 12px;
}

.section-sub {
  text-align: center;
  color: var(--color-text-muted);
  max-width: 52ch;
  margin: 0 auto 48px;
}

/* ---------- Compare table ---------- */
.compare-table {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.03);
}

.compare-row {
  display: grid;
  grid-template-columns: 140px 1fr 1fr;
}

.compare-row + .compare-row {
  border-top: 1px solid var(--color-border);
}

.compare-cell {
  padding: 20px;
  display: flex;
  align-items: center;
}

.compare-label {
  font-weight: 700;
  color: var(--color-accent-gold);
}

.compare-head .compare-cell {
  font-family: var(--font-heading);
  font-weight: 800;
  padding-top: 24px;
  padding-bottom: 24px;
}

.compare-highlight {
  background: rgba(45, 212, 197, 0.08);
  color: var(--color-text);
  font-weight: 500;
}

.compare-head .compare-highlight {
  color: var(--color-accent-teal);
  font-size: 1.3rem;
}

/* ---------- Brand story ---------- */
.brand-story {
  max-width: 820px;
  margin: 0 auto;
  background: linear-gradient(160deg, rgba(45, 212, 197, 0.06), rgba(255, 143, 171, 0.04));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px 52px;
}

.brand-story-heading {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  font-weight: 800;
  line-height: 1.35;
  margin: 0 0 28px;
}

.brand-story-body p {
  color: var(--color-text-muted);
  font-size: 1rem;
  margin: 0 0 16px;
  line-height: 1.75;
}

.brand-story-body p:last-child {
  margin-bottom: 0;
}

.brand-story-highlight {
  font-size: 1.3rem;
  font-weight: 700;
}

.brand-story-lore {
  border-left: 2px solid rgba(45, 212, 197, 0.4);
  padding-left: 20px;
  color: var(--color-text-muted);
  font-size: 0.92rem;
  font-style: italic;
  line-height: 1.85;
}

.brand-story-divider {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 28px 0;
}

.brand-story-divider::before,
.brand-story-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.brand-story-divider img {
  width: 18px;
  height: 18px;
  opacity: 0.6;
}

/* ---------- Wake feature ---------- */
.wake-feature {
  text-align: center;
}

.wake-feature-inner {
  position: relative;
}

.wake-feature-text {
  max-width: 56ch;
  margin: 0 auto;
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.wake-scenario-wrap {
  margin-top: 48px;
}

/* ---------- Feature grid ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  text-align: center;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent-teal);
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}

.feature-icon video {
  width: 100%;
  height: 100%;
}

.feature-card h3 {
  font-family: var(--font-heading);
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  margin: 0;
}

/* ---------- Scenario grid ---------- */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.scenario-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  text-align: center;
  transition: transform 0.2s ease, border-color 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.scenario-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent-teal);
}

.scenario-icon {
  font-size: 2rem;
  line-height: 1;
}

.scenario-card h3 {
  font-family: var(--font-heading);
  margin: 0;
  font-size: 1.05rem;
  color: var(--color-accent-teal);
}

.scenario-card p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin: 0;
  flex: 1;
}

.scenario-prompt {
  background: rgba(10, 14, 42, 0.5);
  border: 1px solid rgba(45, 212, 197, 0.2);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-style: italic;
  line-height: 1.5;
  text-align: left;
  margin-top: auto;
}

/* ---------- Blessing card gallery ---------- */
.card-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 860px;
  margin: 0 auto;
}

.blessing-card-item {
  text-align: center;
}

.blessing-card-item img {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.blessing-card-item img:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(45, 212, 197, 0.2);
}

.card-name {
  margin: 12px 0 0;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* ---------- Mode grid ---------- */
.mode-intro {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin: 0 0 16px;
}

.mode-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.mode-card {
  background: linear-gradient(160deg, rgba(45, 212, 197, 0.08), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
}

.mode-card h3 {
  font-family: var(--font-heading);
  color: var(--color-accent-teal);
  margin: 0 0 12px;
  font-size: 1.2rem;
}

.mode-card p {
  color: var(--color-text-muted);
  margin: 0;
}

.mode-card ul {
  margin: 0;
  padding-left: 20px;
}

.mode-card li {
  color: var(--color-text-muted);
  line-height: 1.65;
  margin: 0 0 10px;
}

.mode-card li:last-child {
  margin-bottom: 0;
}

/* ---------- Steps grid (how to summon) ---------- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  text-align: center;
}

.step-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-accent-teal);
  line-height: 1;
  margin-bottom: 16px;
}

.section-title + .steps-grid {
  margin-top: 36px;
}

.step-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin: 0 0 12px;
}

.step-card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  margin: 0;
}

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.price-card {
  position: relative;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
}

.price-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin: 0 0 8px;
}

.price-amount {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent-teal);
  margin: 0 0 20px;
}

.price-unit {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.price-features {
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 16px;
  text-align: left;
}

.price-spec-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  font-size: 0.85rem;
  padding: 5px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  color: var(--color-text-muted);
}

.price-spec-row:last-child {
  border-bottom: none;
}

.price-spec-label {
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.price-spec-row span:last-child {
  color: var(--color-text);
  font-weight: 500;
  text-align: right;
}

.price-who {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: 0 0 4px;
  flex: 1;
}

.price-card-featured {
  border-color: var(--color-accent-teal);
  background: linear-gradient(160deg, rgba(45, 212, 197, 0.14), rgba(255, 255, 255, 0.03));
  box-shadow: var(--shadow-glow);
  transform: translateY(-8px);
}

.price-tag {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent-gold);
  color: #3a2600;
  font-weight: 800;
  font-size: 0.75rem;
  padding: 4px 14px;
  border-radius: 999px;
}

/* ---------- Inline FAQ (pricing page) ---------- */
.inline-faq {
  max-width: 720px;
  margin: 0 auto;
}

/* ---------- FAQ teaser ---------- */
.faq-teaser-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.faq-shell {
  width: 140px;
  margin-bottom: 20px;
  opacity: 0.9;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 40px 0;
  background: rgba(5, 7, 22, 0.6);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-nav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.footer-nav a:hover {
  color: var(--color-text);
}

.footer-legal {
  font-size: 0.82rem;
  gap: 16px;
}

.footer-copy {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin: 0;
  width: 100%;
  text-align: center;
  order: 3;
}

/* ---------- Page banner (sub-pages) ---------- */
.page-banner {
  position: relative;
  width: 100%;
  aspect-ratio: 2752 / 1536;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  text-align: center;
  padding: 18.6% 0 32px;
}

.page-banner-inner {
  position: relative;
  width: 100%;
  min-width: 0;
}

.page-banner .eyebrow {
  justify-content: center;
  display: block;
}

.page-banner h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.3rem, 5vw, 3.3rem);
  font-weight: 800;
  margin: 0 0 14px;
  letter-spacing: 0.02em;
}

.page-banner p {
  color: var(--color-text-muted);
  max-width: 52ch;
  margin: 0 auto;
}

/* ---------- FAQ list ---------- */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px 28px;
}

.faq-item h3 {
  font-family: var(--font-heading);
  color: var(--color-accent-teal);
  margin: 0 0 10px;
  font-size: 1.05rem;
  display: flex;
  gap: 10px;
}

.faq-item p {
  color: var(--color-text-muted);
  margin: 0;
}

/* ---------- FAQ contact form ---------- */
.contact-form {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-field label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-family: var(--font-heading);
}

.form-field textarea,
.form-field input {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  resize: vertical;
}

.form-field textarea::placeholder,
.form-field input::placeholder {
  color: var(--color-text-muted);
  opacity: 0.6;
}

.form-field textarea:focus,
.form-field input:focus {
  outline: none;
  border-color: var(--color-accent-teal);
  background: rgba(255, 255, 255, 0.08);
}

.contact-submit {
  align-self: flex-start;
}

.contact-form-note {
  margin: 0;
  font-size: 0.85rem;
  min-height: 1.2em;
}

.contact-form-note.is-success {
  color: var(--color-accent-teal);
}

.contact-form-note.is-error {
  color: var(--color-accent-pink);
}

/* ---------- Home teaser links ---------- */
.teaser-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.teaser-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  text-align: center;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.teaser-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent-teal);
}

.teaser-card h3 {
  font-family: var(--font-heading);
  margin: 0 0 10px;
  font-size: 1.15rem;
}

.teaser-card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  margin: 0 0 18px;
}

.teaser-card a {
  color: var(--color-accent-teal);
  font-weight: 700;
  font-size: 0.9rem;
}

/* ---------- 404 page ---------- */
.error-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.error-page-inner {
  max-width: 500px;
}

.error-code {
  font-family: var(--font-heading);
  font-size: clamp(5rem, 15vw, 9rem);
  font-weight: 800;
  color: var(--color-accent-teal);
  opacity: 0.25;
  line-height: 1;
  margin: 0;
}

.error-page h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 8px 0 16px;
}

.error-page p {
  color: var(--color-text-muted);
  margin: 0 0 32px;
}

/* ---------- Legal pages ---------- */
.legal-content {
  max-width: 760px;
  margin: 0 auto;
}

.legal-content h2 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--color-accent-teal);
  margin: 40px 0 12px;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p,
.legal-content li {
  color: var(--color-text-muted);
  line-height: 1.75;
  margin: 0 0 12px;
}

.legal-content ul {
  padding-left: 20px;
}

.legal-date {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  margin: 0 0 40px;
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .scenario-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .price-card-featured {
    transform: none;
  }

  .mode-grid {
    grid-template-columns: 1fr;
  }

  .teaser-grid {
    grid-template-columns: 1fr;
  }

  .steps-grid {
    grid-template-columns: 1fr;
  }

  .card-gallery {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .brand-story {
    padding: 32px 28px;
  }
}

@media (max-width: 800px) {
  .brand {
    gap: 6px;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
  }

  .brand-word {
    font-size: 1rem;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 14, 42, 0.97);
    flex-direction: column;
    padding: 16px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--color-border);
    display: none;
  }

  .main-nav.open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .header-inner {
    gap: 8px;
  }

  .btn-nav-cta {
    margin-left: auto;
    padding: 6px 12px;
    font-size: 0.75rem;
  }

  .bgm-toggle {
    width: 34px;
    height: 34px;
  }

  .bgm-icon img {
    height: 28px;
  }

  .hero {
    padding: 40px 0 40px;
  }

  .compare-row {
    grid-template-columns: 100px 1fr 1fr;
  }

  .compare-cell {
    padding: 14px 10px;
    font-size: 0.85rem;
  }
}

@media (max-width: 560px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .scenario-grid {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .card-gallery {
    grid-template-columns: 1fr;
    max-width: 300px;
  }

  .compare-row {
    grid-template-columns: 80px 1fr 1fr;
  }

  .brand-story {
    padding: 24px 20px;
  }
}