/* ============================================
   FUTURISTIC DESIGN — お助けAI城里センター 2026
   ============================================ */

:root {
  /* Core backgrounds */
  --bg-deep:    #030B18;
  --bg-mid:     #071525;

  /* Accent colors */
  --cyan:        #00D4FF;
  --cyan-glow:   rgba(0, 212, 255, 0.22);
  --cyan-subtle: rgba(0, 212, 255, 0.08);
  --blue:        #0066FF;
  --violet:      #7B2FFF;
  --gold:        #FFD166;

  /* Text */
  --text-primary:   #E8F4FF;
  --text-secondary: rgba(200, 225, 255, 0.70);
  --text-muted:     rgba(150, 190, 230, 0.55);

  /* Borders */
  --border-subtle: rgba(0, 212, 255, 0.12);
  --border-medium: rgba(0, 212, 255, 0.24);
  --border-strong: rgba(0, 212, 255, 0.44);

  /* Shadows */
  --shadow-card:       0 4px 28px rgba(0,0,0,0.45), 0 0 40px rgba(0,212,255,0.04);
  --shadow-card-hover: 0 8px 44px rgba(0,0,0,0.55), 0 0 60px rgba(0,212,255,0.10);

  /* Layout */
  --radius:    20px;
  --radius-sm: 14px;
  --shell:     1160px;

  /* Legacy compat */
  --shadow-sm: var(--shadow-card);
  --shadow-md: var(--shadow-card-hover);
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text-primary);
  background-color: var(--bg-deep);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0,102,255,0.16) 0%, transparent 60%),
    radial-gradient(ellipse 55% 40% at 88% 8%,  rgba(123,47,255,0.10) 0%, transparent 52%),
    radial-gradient(ellipse 40% 30% at 8%  82%,  rgba(0,212,255,0.06) 0%, transparent 50%),
    linear-gradient(180deg, var(--bg-deep) 0%, #060F22 50%, var(--bg-deep) 100%);
  font-family: "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  line-height: 1.75;
  min-height: 100vh;
}

/* Subtle grid overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.028) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  z-index: 0;
}
body > * { position: relative; z-index: 1; }

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

/* ============================================
   ACCESSIBILITY
   ============================================ */
.skip-link {
  position: absolute;
  left: 10px; top: -100px;
  background: var(--cyan);
  color: var(--bg-deep);
  padding: 10px 14px;
  border-radius: 10px;
  z-index: 2000;
  font-weight: 700;
}
.skip-link:focus { top: 10px; }

.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;
}

/* ============================================
   LAYOUT
   ============================================ */
.shell {
  width: min(var(--shell), calc(100% - 32px));
  margin: 0 auto;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(3,11,24,0.84);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 0 40px rgba(0,212,255,0.05);
}

.header-inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 20px;
  min-height: 78px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  min-width: 0;
}

.brand img {
  width: 52px; height: 52px;
  border-radius: 16px;
  background: rgba(0,212,255,0.07);
  padding: 4px;
  border: 1px solid var(--border-medium);
  box-shadow: 0 0 16px rgba(0,212,255,0.14), inset 0 0 10px rgba(0,212,255,0.05);
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}
.brand:hover img {
  box-shadow: 0 0 24px rgba(0,212,255,0.32), inset 0 0 16px rgba(0,212,255,0.10);
  border-color: var(--border-strong);
}

.brand span { display: grid; min-width: 0; }

.brand strong {
  font-size: 0.98rem;
  letter-spacing: 0.05em;
  background: linear-gradient(90deg, var(--text-primary) 40%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand small {
  color: var(--text-muted);
  font-size: 0.73rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.site-nav a {
  text-decoration: none;
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
  border: 1px solid transparent;
}
.site-nav a:hover,
.site-nav a:focus-visible {
  background: var(--cyan-subtle);
  color: var(--cyan);
  border-color: var(--border-subtle);
  outline: none;
}

.menu-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  background: var(--cyan-subtle);
  padding: 8px;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--cyan);
  border-radius: 999px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px)  rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================
   HERO
   ============================================ */
.hero {
  padding: 64px 0 54px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  top: -80px; left: -10%; right: -10%;
  height: 480px;
  background:
    radial-gradient(ellipse at 28% 50%, rgba(0,102,255,0.13) 0%, transparent 58%),
    radial-gradient(ellipse at 72% 30%, rgba(123,47,255,0.09) 0%, transparent 52%);
  pointer-events: none;
  z-index: 0;
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 44px;
  align-items: center;
}
.hero-copy, .hero-visual { min-width: 0; }

/* Eyebrow tag */
.eyebrow {
  margin: 0 0 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--cyan-subtle);
  color: var(--cyan);
  font-size: 0.80rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  border: 1px solid rgba(0,212,255,0.22);
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  animation: blink-dot 2.2s ease-in-out infinite;
}
@keyframes blink-dot {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(0.75); }
}

/* Hero heading */
.hero h1 {
  margin: 0;
  font-size: clamp(1.75rem, 3.4vw, 3.1rem);
  line-height: 1.28;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}

.hero-lead {
  margin: 18px 0 0;
  color: var(--text-secondary);
  font-size: 1.00rem;
  line-height: 1.85;
}
.hero-lead strong { color: var(--text-primary); }

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 30px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.12), transparent);
  opacity: 0;
  transition: opacity 0.2s;
}
.btn:hover::before { opacity: 1; }
.btn:hover, .btn:focus-visible {
  transform: translateY(-3px);
  outline: none;
}

.btn-primary {
  color: var(--bg-deep);
  background: linear-gradient(135deg, var(--cyan), #0099EE);
  box-shadow: 0 4px 22px rgba(0,212,255,0.38), 0 0 40px rgba(0,212,255,0.16);
}
.btn-primary:hover {
  box-shadow: 0 8px 32px rgba(0,212,255,0.52), 0 0 60px rgba(0,212,255,0.24);
}

.btn-ghost {
  background: rgba(0,212,255,0.06);
  border: 1px solid var(--border-medium);
  color: var(--cyan);
}
.btn-ghost:hover {
  background: rgba(0,212,255,0.12);
  box-shadow: 0 0 22px rgba(0,212,255,0.16);
}

/* Hero points */
.hero-points {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.hero-points li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}
.hero-points li::before {
  content: "";
  width: 18px; height: 18px;
  flex: 0 0 18px;
  margin-top: 4px;
  border-radius: 5px;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  box-shadow: 0 0 10px rgba(0,212,255,0.42);
  clip-path: polygon(20% 0%,80% 0%,100% 20%,100% 80%,80% 100%,20% 100%,0% 80%,0% 20%);
}

/* ---- Hero character (holographic) ---- */
.hero-character-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 32px;
  margin-bottom: 18px;
}
.hero-character-wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,255,0.13) 0%, rgba(0,102,255,0.07) 50%, transparent 70%);
  animation: char-pulse 4s ease-in-out infinite;
}
@keyframes char-pulse {
  0%,100% { transform: scale(1);    opacity: 1; }
  50%      { transform: scale(1.06); opacity: 0.8; }
}

.hologram-ring {
  position: absolute;
  width: 84%; height: 84%;
  border-radius: 50%;
  border: 1.5px solid rgba(0,212,255,0.22);
  box-shadow: 0 0 20px rgba(0,212,255,0.14), inset 0 0 18px rgba(0,212,255,0.05);
  animation: ring-spin 10s linear infinite;
}
.hologram-ring::after {
  content: "";
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  border: 1px solid transparent;
  border-top-color: rgba(0,212,255,0.65);
  border-right-color: rgba(123,47,255,0.42);
  animation: ring-spin 4.5s linear infinite reverse;
}
@keyframes ring-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.hero-mascot {
  width: min(270px, 100%);
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 0 22px rgba(0,212,255,0.32)) drop-shadow(0 22px 42px rgba(0,0,0,0.52));
  animation: mascot-float 6s ease-in-out infinite;
}
@keyframes mascot-float {
  0%,100% { transform: translateY(0px); }
  50%      { transform: translateY(-13px); }
}

.hologram-scan {
  position: absolute;
  left: 5%; right: 5%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(0,212,255,0.65), transparent);
  border-radius: 1px;
  animation: scan 3.2s ease-in-out infinite;
}
@keyframes scan {
  0%   { top: 10%; opacity: 0; }
  8%   { opacity: 1; }
  92%  { opacity: 1; }
  100% { top: 90%; opacity: 0; }
}

/* Landscape / mascot cards */
.landscape-card,
.mascot-card {
  background: rgba(0,212,255,0.025);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(10px);
}
.landscape-card img {
  aspect-ratio: 16/9;
  object-fit: contain;
  object-position: center;
  width: 100%;
  border-radius: 22px 22px 0 0;
  background: rgba(255,255,255,0.025);
  filter: brightness(0.88) saturate(0.78) hue-rotate(-6deg);
}
.landscape-card figcaption {
  padding: 12px 16px 16px;
  font-size: 0.88rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* Override for hero landmark card */
.hero-visual .landscape-card.landmark-card {
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 20px 60px rgba(0,0,0,0.45), 0 0 40px rgba(0,212,255,0.06);
}
.hero-visual .landscape-card.landmark-card img {
  aspect-ratio: auto;
  max-height: 620px;
  object-fit: contain;
  padding: 12px;
  background: rgba(255,255,255,0.02);
}
.hero-visual .landscape-card.landmark-card figcaption {
  color: var(--text-muted);
  background: rgba(0,8,20,0.5);
  border-top: 1px solid var(--border-subtle);
}

/* ============================================
   SECTIONS
   ============================================ */
.section { padding: 32px 0 72px; }
.intro-band { padding-top: 10px; }

.section-head { margin-bottom: 28px; }
.section-head h2 {
  margin: 0;
  font-size: clamp(1.55rem, 3vw, 2.35rem);
  line-height: 1.28;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}
.section-head p:last-child {
  margin: 12px 0 0;
  color: var(--text-secondary);
  max-width: 760px;
  line-height: 1.82;
}

/* Alt sections */
.alt {
  background: linear-gradient(180deg,
    rgba(123,47,255,0.04),
    rgba(0,102,255,0.03));
  border-top:    1px solid rgba(123,47,255,0.10);
  border-bottom: 1px solid rgba(123,47,255,0.10);
}

/* ---- Intro grid ---- */
.intro-grid {
  background: rgba(0,212,255,0.028);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  padding: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}
.intro-grid::before {
  content: "";
  position: absolute;
  top: -1px; left: 8%; right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
}
.intro-grid h2 {
  margin: 0;
  font-size: clamp(1.15rem, 2.4vw, 1.85rem);
  line-height: 1.38;
  color: var(--text-primary);
}

.issue-list {
  margin: 0; padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.issue-list li {
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 10px 12px 10px 24px;
  color: var(--text-secondary);
  font-size: 0.90rem;
  position: relative;
}
.issue-list li::before {
  content: "›";
  position: absolute;
  left: 10px; top: 9px;
  color: var(--cyan);
  font-size: 1rem;
  font-weight: 700;
}

/* ============================================
   CARDS
   ============================================ */
.cards { display: grid; gap: 16px; }
.three-col { grid-template-columns: repeat(3,1fr); }
.two-col   { grid-template-columns: repeat(2,1fr); }

.card,
.feature-panel,
.contact-panel {
  background: rgba(255,255,255,0.030);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(10px);
  transition: border-color 0.28s ease, box-shadow 0.28s ease, transform 0.28s ease;
  position: relative;
  overflow: hidden;
}
.card::before,
.feature-panel::before {
  content: "";
  position: absolute;
  top: -1px; left: 8%; right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,212,255,0.45), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.card:hover::before,
.feature-panel:hover::before { opacity: 1; }
.card:hover,
.feature-panel:hover {
  border-color: var(--border-medium);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.card h3,
.feature-panel h3,
.contact-panel h3 {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.42;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}
.card h3::before {
  content: "// ";
  color: var(--cyan);
  font-size: 0.82em;
  opacity: 0.7;
}

.card p,
.feature-panel p,
.contact-panel p {
  margin: 12px 0 0;
  color: var(--text-secondary);
  line-height: 1.82;
  font-size: 0.95rem;
}

.card ul {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  color: var(--text-secondary);
}
.card li {
  padding: 4px 0 4px 18px;
  position: relative;
  font-size: 0.90rem;
}
.card li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-size: 0.82em;
}
.card li + li { margin-top: 2px; }

.feature-panel {
  background: linear-gradient(135deg,
    rgba(0,102,255,0.055),
    rgba(123,47,255,0.040));
}

/* ============================================
   FLOW
   ============================================ */
.flow-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.flow-list li {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px;
  align-items: start;
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(10px);
  transition: border-color 0.25s;
}
.flow-list li:hover { border-color: var(--border-medium); }

.flow-list span {
  display: grid;
  place-items: center;
  min-height: 62px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  color: var(--bg-deep);
  font-weight: 900;
  font-size: 1.10rem;
  letter-spacing: 0.06em;
  box-shadow: 0 0 22px rgba(0,212,255,0.32);
}
.flow-list h3 {
  margin: 0;
  font-size: 1.04rem;
  color: var(--text-primary);
}
.flow-list p {
  margin: 6px 0 0;
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.72;
}

/* ============================================
   PRICING
   ============================================ */
.pricing-sale-banner {
  margin-bottom: 16px;
  padding: 16px 20px;
  border-radius: 16px;
  border: 1px solid rgba(255,209,102,0.24);
  background: linear-gradient(135deg, rgba(255,209,102,0.07), rgba(255,160,60,0.04));
  box-shadow: 0 0 30px rgba(255,209,102,0.05);
  position: relative;
  overflow: hidden;
}
.pricing-sale-banner::before {
  content: "";
  position: absolute;
  top: -1px; left: 5%; right: 5%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,209,102,0.55), transparent);
}
.pricing-sale-banner strong {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--gold);
  font-size: 1rem;
}
.pricing-sale-banner strong::before {
  content: "★";
  text-shadow: 0 0 10px var(--gold);
}
.pricing-sale-banner p {
  margin: 4px 0 0;
  color: var(--text-secondary);
  font-weight: 600;
}

.pricing-highlight {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 14px;
  margin-bottom: 16px;
}
.pricing-highlight > div {
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 18px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(10px);
}
.pricing-highlight strong {
  display: block;
  font-size: 1.05rem;
  color: var(--cyan);
}
.discount-price {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
}
.discount-cell { font-weight: 700; }

.old-price {
  color: var(--text-muted);
  text-decoration: line-through;
  text-decoration-color: rgba(255,90,90,0.6);
  text-decoration-thickness: 2px;
}
.new-price {
  color: var(--cyan);
  font-weight: 800;
  font-size: 1.05em;
  background: rgba(0,212,255,0.10);
  padding: 2px 10px;
  border-radius: 999px;
  border: 1px solid rgba(0,212,255,0.22);
}
.sale-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--gold), #D4A000);
  color: var(--bg-deep);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.pricing-highlight p {
  margin: 6px 0 0;
  color: var(--text-secondary);
  font-size: 0.90rem;
}
.note {
  margin: 14px 0 0;
  color: var(--text-muted);
  font-size: 0.90rem;
}

/* ============================================
   TABLE
   ============================================ */
.table-wrap {
  overflow-x: auto;
  background: rgba(255,255,255,0.022);
  border-radius: 18px;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(10px);
}
table { width: 100%; border-collapse: collapse; min-width: 760px; }
th, td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(0,212,255,0.07);
}
thead th {
  background: rgba(0,212,255,0.06);
  color: var(--cyan);
  font-weight: 800;
  font-size: 0.86rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}
tbody th { color: var(--text-primary); font-weight: 700; }
tbody td { color: var(--text-secondary); }
tbody tr:hover th,
tbody tr:hover td { background: rgba(0,212,255,0.022); }
tbody tr:last-child th,
tbody tr:last-child td { border-bottom: none; }

/* ============================================
   FAQ
   ============================================ */
.faq-list { display: grid; gap: 10px; }
.faq-list details {
  background: rgba(255,255,255,0.024);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 6px 16px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(10px);
  transition: border-color 0.2s;
}
.faq-list details[open] { border-color: var(--border-medium); }
.faq-list summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  padding: 12px 38px 12px 0;
  position: relative;
  color: var(--text-primary);
  font-size: 0.97rem;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 0; top: 10px;
  width: 26px; height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--cyan-subtle);
  color: var(--cyan);
  border: 1px solid rgba(0,212,255,0.22);
  font-weight: 300;
  font-size: 1.2rem;
  line-height: 1;
}
.faq-list details[open] summary::after {
  content: "−";
  background: rgba(0,212,255,0.14);
}
.faq-list details p {
  margin: 0 0 14px;
  color: var(--text-secondary);
  line-height: 1.82;
  font-size: 0.95rem;
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
  background:
    radial-gradient(ellipse 58% 52% at 18% 52%, rgba(0,102,255,0.13) 0%, transparent 60%),
    radial-gradient(ellipse 50% 60% at 82% 28%, rgba(123,47,255,0.10) 0%, transparent 56%),
    linear-gradient(180deg, rgba(5,14,34,0.97), rgba(3,10,24,0.99));
  border-top: 1px solid var(--border-subtle);
}
.on-dark .eyebrow {
  background: var(--cyan-subtle);
  color: var(--cyan);
  border-color: rgba(0,212,255,0.22);
}
.on-dark h2 { color: var(--text-primary); }
.on-dark .section-head p:last-child {
  color: var(--text-secondary) !important;
  opacity: 1;
  font-weight: 500;
  text-shadow: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 16px;
}
.contact-panel {
  background: rgba(255,255,255,0.038);
  border-color: var(--border-subtle);
  color: var(--text-primary);
}
.contact-panel p, .contact-panel .meta { color: var(--text-secondary); }

.contact-links { display: grid; gap: 10px; margin-top: 14px; }
.contact-links a {
  display: block;
  text-decoration: none;
  color: var(--text-primary);
  background: rgba(0,212,255,0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.contact-links a:hover,
.contact-links a:focus-visible {
  background: rgba(0,212,255,0.10);
  border-color: var(--border-medium);
  box-shadow: 0 0 22px rgba(0,212,255,0.10);
  outline: none;
}

.contact-template {
  margin-top: 16px;
  background: rgba(0,0,0,0.30);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 14px;
}
.template-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.template-header h4 { margin: 0; font-size: 0.92rem; color: var(--text-secondary); }
.copy-btn {
  appearance: none;
  border: 1px solid var(--border-medium);
  background: var(--cyan-subtle);
  color: var(--cyan);
  border-radius: 10px;
  padding: 6px 14px;
  font-weight: 700;
  font-size: 0.84rem;
  cursor: pointer;
  transition: background 0.2s;
}
.copy-btn:hover, .copy-btn:focus-visible {
  background: rgba(0,212,255,0.16);
  outline: none;
}
.contact-template pre {
  margin: 12px 0 0;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text-secondary);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88rem;
  line-height: 1.82;
}

/* Profile card */
.profile-card {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 14px;
  align-items: center;
  margin-top: 14px;
  padding: 14px;
  border-radius: 14px;
  background: rgba(0,212,255,0.04);
  border: 1px solid var(--border-subtle);
}
.profile-card img {
  width: 88px; height: 88px;
  border-radius: 16px;
  object-fit: cover;
  border: 2px solid var(--border-medium);
  box-shadow: 0 0 18px rgba(0,212,255,0.16);
}
.profile-card .label {
  margin: 0;
  font-size: 0.74rem;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--cyan);
}
.profile-card .name {
  margin: 2px 0 4px;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* Social */
.social-block { margin-top: 16px; }
.social-block h4 {
  margin: 0 0 10px;
  font-size: 0.86rem;
  color: var(--text-muted);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}
.social-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 8px; }
.social-grid a {
  text-decoration: none;
  color: #fff;
  font-weight: 700;
  font-size: 0.88rem;
  text-align: center;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  transition: transform 0.2s, filter 0.2s, box-shadow 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.social-grid .sns-icon { width: 18px; height: 18px; flex: 0 0 18px; }
.social-grid a.sns-btn.facebook {
  background: linear-gradient(135deg, #1877f2, #0d5fd3);
  border-color: rgba(24,119,242,0.40);
  box-shadow: 0 0 14px rgba(24,119,242,0.18);
}
.social-grid a.sns-btn.instagram {
  background: linear-gradient(135deg, #f58529 0%, #dd2a7b 45%, #8134af 75%, #515bd4 100%);
  border-color: rgba(221,42,123,0.38);
  box-shadow: 0 0 14px rgba(221,42,123,0.18);
}
.social-grid a.sns-btn.x {
  background: linear-gradient(135deg, #1a1a1a, #000);
  border-color: rgba(255,255,255,0.14);
}
.social-grid a.sns-btn.threads {
  background: linear-gradient(135deg, #2a2a2a, #111);
  border-color: rgba(255,255,255,0.12);
}
.social-grid a.icon-only { padding-inline: 10px; }
.social-grid a.icon-only .sns-icon { width: 20px; height: 20px; flex-basis: 20px; }
.social-grid a:hover, .social-grid a:focus-visible {
  transform: translateY(-2px);
  filter: brightness(1.10);
  outline: none;
}

/* LINE box */
.line-box {
  margin-top: 16px;
  text-align: center;
  background: rgba(0,212,255,0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 16px;
}
.line-box img {
  width: 180px;
  margin: 0 auto;
  border-radius: 12px;
  background: #fff;
  padding: 8px;
  box-shadow: 0 0 22px rgba(0,212,255,0.16);
}
.line-box p { margin: 10px 0 6px; font-size: 0.90rem; color: var(--text-secondary); }
.review-link {
  display: inline-block;
  color: var(--cyan);
  font-weight: 700;
  font-size: 0.90rem;
  text-decoration: none;
  border-bottom: 1px solid rgba(0,212,255,0.30);
  transition: border-color 0.2s;
}
.review-link:hover { border-color: var(--cyan); }

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: rgba(2,6,16,0.98);
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
}
.footer-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.footer-inner p { margin: 0; font-size: 0.90rem; }
.footer-links { display: flex; gap: 10px; flex-wrap: wrap; }
.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  font-size: 0.88rem;
  transition: background 0.2s, color 0.2s;
}
.footer-links a:hover, .footer-links a:focus-visible {
  background: var(--cyan-subtle);
  color: var(--cyan);
  outline: none;
}

/* ============================================
   REVEAL ANIMATIONS
   ============================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.60s ease, transform 0.60s ease;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   FOCUS STYLES
   ============================================ */
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ============================================
   RESPONSIVE — TABLET
   ============================================ */
@media (max-width: 1024px) {
  .header-inner { grid-template-columns: 1fr auto; }
  .menu-toggle  { display: inline-block; }

  .site-nav {
    position: absolute;
    left: 16px; right: 16px;
    top: calc(100% + 8px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 10px;
    border-radius: 16px;
    background: rgba(7,21,37,0.98);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(22px);
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 12px 14px; border-radius: 10px; }

  .hero-grid,
  .intro-grid,
  .three-col,
  .two-col,
  .pricing-highlight,
  .contact-grid { grid-template-columns: 1fr; }

  .hero { padding-top: 44px; }
  .hero-visual { order: -1; }
  .issue-list { grid-template-columns: 1fr; }
}

/* ============================================
   RESPONSIVE — MOBILE
   ============================================ */
@media (max-width: 720px) {
  .shell { width: min(var(--shell), calc(100% - 20px)); }
  .header-inner { min-height: 70px; gap: 12px; }
  .brand img { width: 44px; height: 44px; border-radius: 12px; }
  .brand strong { font-size: 0.90rem; }
  .brand small  { font-size: 0.68rem; }
  .section { padding-bottom: 52px; }

  .flow-list li { grid-template-columns: 1fr; }
  .flow-list span { width: 80px; min-height: 46px; font-size: 1rem; }

  table { min-width: 680px; }
  .social-grid { grid-template-columns: 1fr; }

  .profile-card { grid-template-columns: 1fr; text-align: center; }
  .profile-card img { margin: 0 auto; }

  .footer-inner {
    min-height: auto;
    padding: 16px 0;
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-character-wrap { padding: 20px; }
  .hero-mascot { width: min(200px, 80%); }
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}