/* ==========================================================================
   MiraiAPI — Design System
   Clean Japanese fintech aesthetic. Light theme only.
   Inspired by: Mercari, Smartbank, and Plaid.
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body, h1, h2, h3, h4, h5, h6, p, ul, ol, figure, blockquote { margin: 0; padding: 0; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; height: auto; }
button { font: inherit; cursor: pointer; border: 0; background: transparent; }
input, textarea, select { font: inherit; }

:root {
  --jp-primary:        #111111;
  --jp-primary-hover:  #2a2a2a;
  --jp-accent:         #D4321C;
  --jp-accent-hover:   #B82815;
  --jp-accent-soft:    #FFF1EE;

  --jp-bg:             #FFFFFF;
  --jp-bg-soft:        #FAFAF7;
  --jp-bg-section:     #F6F6F0;
  --jp-border:         #E8E5DC;
  --jp-border-strong:  #D7D2C2;
  --jp-text:           #111111;
  --jp-text-body:      #2C2C2C;
  --jp-text-muted:     #6B6B6B;
  --jp-text-faint:     #9A9A9A;

  --jp-success:        #1F8A4C;
  --jp-success-soft:   #E8F5EC;
  --jp-warning:        #C48716;
  --jp-warning-soft:   #FFF5E1;
  --jp-error:          #D4321C;
  --jp-error-soft:     #FFE8E3;
  --jp-info:           #1A66C9;
  --jp-info-soft:      #E5F0FC;

  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 64px;
  --sp-9: 96px;

  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 20px;
  --r-pill: 999px;

  --sh-sm: 0 1px 2px rgba(0,0,0,0.04), 0 1px 3px rgba(0,0,0,0.03);
  --sh-md: 0 2px 4px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.05);
  --sh-lg: 0 4px 12px rgba(0,0,0,0.05), 0 12px 32px rgba(0,0,0,0.06);
  --sh-card: 0 1px 0 rgba(0,0,0,0.02), 0 2px 6px rgba(15,23,42,0.04);

  --font-sans: "Inter", "Noto Sans JP", -apple-system, "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  --font-mono: "JetBrains Mono", "Menlo", "Consolas", monospace;

  --max-w: 1180px;
}

html {
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--jp-text-body);
  background: var(--jp-bg);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html[lang="ja"] body { line-height: 1.75; }

h1, h2, h3, h4 { color: var(--jp-text); font-weight: 700; line-height: 1.2; letter-spacing: -0.01em; }
h1 { font-size: clamp(36px, 6vw, 64px); letter-spacing: -0.025em; line-height: 1.08; }
h2 { font-size: clamp(28px, 4vw, 40px); letter-spacing: -0.02em; line-height: 1.15; }
h3 { font-size: clamp(20px, 2.5vw, 26px); }
h4 { font-size: 18px; }
p  { color: var(--jp-text-body); }
strong, b { font-weight: 700; color: var(--jp-text); }
small { font-size: 13px; color: var(--jp-text-muted); }
code { font-family: var(--font-mono); font-size: 0.92em; background: var(--jp-bg-section); padding: 2px 6px; border-radius: var(--r-sm); color: var(--jp-text); }
.muted { color: var(--jp-text-muted); }
.faint { color: var(--jp-text-faint); }

.site-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--jp-bg);
}

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--sp-6);
}
@media (min-width: 768px) { .container { padding: 0 var(--sp-7); } }
@media (min-width: 1200px) { .container { padding: 0 var(--sp-8); } }

main { flex: 1 0 auto; }
section { padding: var(--sp-7) 0; }
@media (min-width: 768px) { section { padding: var(--sp-8) 0; } }
@media (max-width: 540px) { section { padding: var(--sp-6) 0; } }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.9);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--jp-border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
  padding: var(--sp-4) var(--sp-6);
  max-width: var(--max-w);
  margin: 0 auto;
}
@media (min-width: 768px) { .nav-wrap { padding: var(--sp-4) var(--sp-7); } }
@media (min-width: 1200px) { .nav-wrap { padding: var(--sp-4) var(--sp-8); } }
@media (max-width: 720px) {
  .nav-wrap { gap: var(--sp-3); padding: var(--sp-3) var(--sp-5); flex-wrap: wrap; }
  .brand { font-size: 17px; }
  .nav-links {
    order: 3; width: 100%; gap: var(--sp-4);
    overflow-x: auto; justify-content: flex-start;
    padding-bottom: 4px; margin: 0 calc(-1 * var(--sp-3));
    padding-left: var(--sp-3); padding-right: var(--sp-3);
    scrollbar-width: thin;
  }
  .nav-links::-webkit-scrollbar { height: 0; }
  .nav-links a { white-space: nowrap; font-size: 13.5px; }
  .nav-right { gap: var(--sp-2); }
  .lang-switcher { padding: 5px 8px; font-size: 12px; }
}

.brand {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  color: var(--jp-text);
  font-size: 19px;
  letter-spacing: -0.01em;
}
.brand-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--jp-accent);
  margin-left: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  flex: 1;
  justify-content: center;
}
.nav-links a {
  color: var(--jp-text-body);
  font-size: 14px;
  font-weight: 500;
  padding: var(--sp-2) 0;
  transition: color 0.15s ease;
  position: relative;
}
.nav-links a:hover { color: var(--jp-text); }
.nav-links a[data-active] { color: var(--jp-text); }
.nav-links a[data-active]::after {
  content: ""; position: absolute; bottom: -2px; left: 0; right: 0;
  height: 2px; background: var(--jp-accent); border-radius: 2px;
}

.nav-right { display: flex; align-items: center; gap: var(--sp-3); }

.lang-switcher {
  border: 1px solid var(--jp-border);
  background: var(--jp-bg);
  color: var(--jp-text-body);
  padding: 6px 10px;
  border-radius: var(--r-sm);
  font-size: 13px;
  cursor: pointer;
}
.lang-switcher:hover { border-color: var(--jp-border-strong); }

.mobile-dock {
  display: none;
}
.mobile-dock a {
  color: var(--jp-text-body);
  font-size: 12.5px;
  font-weight: 600;
  text-align: center;
  padding: 10px 6px;
  border-right: 1px solid rgba(215, 210, 194, 0.45);
}
.mobile-dock a:last-child {
  border-right: 0;
}
.mobile-dock a[data-active] {
  color: var(--jp-text);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 11px 22px;
  border-radius: var(--r-md);
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn-primary { background: var(--jp-primary); color: #fff; }
.btn-primary:hover { background: var(--jp-primary-hover); transform: translateY(-1px); }
.btn-accent { background: var(--jp-accent); color: #fff; }
.btn-accent:hover { background: var(--jp-accent-hover); transform: translateY(-1px); }
.btn-soft { background: var(--jp-bg-soft); color: var(--jp-text); border-color: var(--jp-border); }
.btn-soft:hover { background: var(--jp-bg-section); border-color: var(--jp-border-strong); }
.btn-ghost { color: var(--jp-text); }
.btn-ghost:hover { background: var(--jp-bg-soft); }
.btn-lg { padding: 14px 28px; font-size: 15px; }
.btn-sm { padding: 7px 14px; font-size: 13px; }
.btn-block { display: flex; width: 100%; }

/* Hero */
.hero {
  padding: var(--sp-8) 0 var(--sp-7);
  background: linear-gradient(180deg, var(--jp-bg) 0%, var(--jp-bg-soft) 100%);
  border-bottom: 1px solid var(--jp-border);
}
@media (min-width: 768px) { .hero { padding: var(--sp-9) 0 var(--sp-8); } }
@media (max-width: 540px) { .hero { padding: var(--sp-7) 0 var(--sp-6); } }
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--sp-7);
  align-items: center;
}
@media (max-width: 880px) { .hero-grid { grid-template-columns: 1fr; } }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  background: var(--jp-accent-soft);
  color: var(--jp-accent);
  font-size: 12.5px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--r-pill);
  letter-spacing: 0.02em;
  margin-bottom: var(--sp-4);
}
.hero h1 { margin-bottom: var(--sp-4); }
.hero p.lead {
  font-size: 18px;
  line-height: 1.7;
  color: var(--jp-text-body);
  max-width: 540px;
  margin-bottom: var(--sp-5);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-bottom: var(--sp-6);
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-5);
  font-size: 13px;
  color: var(--jp-text-muted);
}
.hero-meta span b { color: var(--jp-text); font-weight: 600; }

.hero-card {
  background: #111;
  color: #f0f0f0;
  border-radius: var(--r-xl);
  padding: var(--sp-5);
  padding-top: 52px;
  box-shadow: var(--sh-lg);
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.7;
  position: relative;
  overflow: hidden;
}
.hero-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 36px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.hero-card .dots {
  position: absolute; top: 12px; left: 16px;
  display: flex; gap: 6px;
}
.hero-card .dots span {
  width: 11px; height: 11px; border-radius: 50%;
  background: #4a4a4a;
}
.hero-card .dots span:nth-child(1) { background: #ff5f56; }
.hero-card .dots span:nth-child(2) { background: #ffbd2e; }
.hero-card .dots span:nth-child(3) { background: #27c93f; }
.hero-card .c-comment { color: #7a7a7a; }
.hero-card .c-str { color: #a9d6a9; }
.hero-card .c-key { color: #e4a5ff; }
.hero-card .c-fn  { color: #82b1ff; }
.hero-card .c-out { color: #ffd479; }

/* Sections */
.section-soft { background: var(--jp-bg-soft); }
.section-dark { background: var(--jp-primary); color: #fff; }
.section-dark .muted { color: #b0b0b0; }

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--sp-7);
}
.section-kicker {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--jp-accent);
  margin-bottom: var(--sp-3);
}
.section-head h2 { margin-bottom: var(--sp-3); }
.section-head p { color: var(--jp-text-muted); font-size: 16.5px; }

/* Feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}
@media (max-width: 880px) { .feature-grid { grid-template-columns: 1fr; } }
.feature-card {
  background: var(--jp-bg);
  border: 1px solid var(--jp-border);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  transition: all 0.18s ease;
}
.feature-card:hover {
  border-color: var(--jp-border-strong);
  transform: translateY(-2px);
  box-shadow: var(--sh-md);
}
.feature-card .icon-box {
  width: 44px; height: 44px;
  background: var(--jp-accent-soft);
  color: var(--jp-accent);
  border-radius: var(--r-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-4);
  font-size: 20px;
}
.feature-card h4 { margin-bottom: var(--sp-2); font-size: 17px; }
.feature-card p { font-size: 14.5px; color: var(--jp-text-muted); line-height: 1.65; }

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}
@media (max-width: 980px) { .pricing-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 720px) { .pricing-grid { grid-template-columns: 1fr; } }
.daily-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-4);
  margin-top: var(--sp-5);
}
@media (max-width: 720px) { .daily-grid { grid-template-columns: 1fr; } }

.price-card {
  position: relative;
  background: var(--jp-bg);
  border: 1px solid var(--jp-border);
  border-radius: var(--r-lg);
  padding: var(--sp-6) var(--sp-5);
  text-align: left;
  transition: all 0.18s ease;
  display: flex;
  flex-direction: column;
}
.price-card:hover {
  border-color: var(--jp-border-strong);
  box-shadow: var(--sh-md);
}
.price-card.featured {
  border-color: var(--jp-accent);
  border-width: 2px;
  background: linear-gradient(180deg, var(--jp-accent-soft) 0%, #fff 60%);
}
.price-card .badge {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: var(--jp-accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: var(--r-pill);
  letter-spacing: 0.04em;
}
.price-card .plan-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--jp-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--sp-3);
}
.price-card .price-row {
  display: flex;
  align-items: baseline;
  gap: var(--sp-2);
  margin-bottom: var(--sp-2);
}
.price-card .price-row .amt {
  font-size: 40px;
  font-weight: 700;
  color: var(--jp-text);
  letter-spacing: -0.02em;
  line-height: 1;
}
.price-card .price-row .per {
  font-size: 14px;
  color: var(--jp-text-muted);
}
.price-card .tagline {
  font-size: 14.5px;
  color: var(--jp-text-muted);
  margin-bottom: var(--sp-5);
}
.price-card ul.features {
  margin-bottom: var(--sp-5);
  flex: 1;
}
.price-card ul.features li {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
  font-size: 14px;
  padding: 6px 0;
  color: var(--jp-text-body);
}
.price-card ul.features li::before {
  content: "✓";
  color: var(--jp-success);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.price-card.daily {
  padding: var(--sp-5);
  text-align: center;
}
.price-card.daily .amt { font-size: 32px; }
.price-card.daily .plan-name { text-align: center; }
.price-card.daily .price-row { justify-content: center; }
.price-card.daily .tagline { text-align: center; margin-bottom: var(--sp-4); }

/* CTA banner */
.cta-banner {
  background: var(--jp-primary);
  color: #fff;
  border-radius: var(--r-xl);
  padding: var(--sp-7) var(--sp-6);
  text-align: center;
}
.cta-banner h2 { color: #fff; margin-bottom: var(--sp-3); }
.cta-banner p { color: #c8c8c8; margin-bottom: var(--sp-5); max-width: 540px; margin-left: auto; margin-right: auto; }
.cta-banner .btn-primary { background: #fff; color: var(--jp-primary); }
.cta-banner .btn-primary:hover { background: var(--jp-bg-soft); }

/* Forms */
.form-shell {
  max-width: 440px;
  margin: var(--sp-7) auto;
  padding: var(--sp-6);
  background: var(--jp-bg);
  border: 1px solid var(--jp-border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-card);
}
@media (max-width: 540px) {
  .form-shell { margin: var(--sp-5) var(--sp-4); padding: var(--sp-5); }
}
.form-shell h2 {
  font-size: 24px;
  margin-bottom: var(--sp-2);
  text-align: center;
}
.form-shell .form-sub {
  text-align: center;
  color: var(--jp-text-muted);
  margin-bottom: var(--sp-6);
  font-size: 14.5px;
}
.form-group { margin-bottom: var(--sp-4); }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--jp-text);
  margin-bottom: var(--sp-2);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--jp-border-strong);
  border-radius: var(--r-md);
  background: var(--jp-bg);
  color: var(--jp-text);
  font-size: 15px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--jp-text);
  box-shadow: 0 0 0 3px rgba(17,17,17,0.08);
}
.form-group .hint { font-size: 12px; color: var(--jp-text-muted); margin-top: 4px; }
.register-code-row { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: var(--sp-2); align-items: center; }
.register-code-row .btn { white-space: nowrap; }
 (max-width: 540px) {
  .register-code-row { grid-template-columns: 1fr; }
  .register-code-row .btn { width: 100%; justify-content: center; }
}
.form-shell .form-extra {
  margin-top: var(--sp-5);
  text-align: center;
  font-size: 13.5px;
  color: var(--jp-text-muted);
}
.form-shell .form-extra a { color: var(--jp-text); font-weight: 500; }

/* Dashboard */
.page-shell { padding: var(--sp-5) 0 var(--sp-7); }
@media (min-width: 768px) { .page-shell { padding: var(--sp-6) 0 var(--sp-8); } }
.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-bottom: var(--sp-6);
}
.page-head h1 { font-size: 32px; }
.page-head .meta { color: var(--jp-text-muted); font-size: 14px; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
  margin-bottom: var(--sp-6);
}
@media (max-width: 880px) { .stat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .stat-grid { grid-template-columns: 1fr; gap: var(--sp-3); } }
.stat-card {
  background: var(--jp-bg);
  border: 1px solid var(--jp-border);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
}
.stat-card .label {
  font-size: 12.5px;
  color: var(--jp-text-muted);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--sp-2);
}
.stat-card .val {
  font-size: 28px;
  font-weight: 700;
  color: var(--jp-text);
  letter-spacing: -0.01em;
}
.stat-card .delta { font-size: 13px; color: var(--jp-text-muted); margin-top: 4px; }

.panel {
  background: var(--jp-bg);
  border: 1px solid var(--jp-border);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  margin-bottom: var(--sp-5);
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-4);
}
.panel-head h3 { font-size: 18px; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.data-table th, .data-table td {
  padding: var(--sp-3) var(--sp-3);
  text-align: left;
  border-bottom: 1px solid var(--jp-border);
}
.data-table th {
  font-size: 12px;
  font-weight: 600;
  color: var(--jp-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--jp-bg-soft);
}
.data-table tr:last-child td { border-bottom: 0; }
.data-table tr:hover td { background: var(--jp-bg-soft); }
/* Mobile: horizontal scroll for wide tables */
.panel { overflow-x: auto; }
@media (max-width: 720px) {
  .data-table { font-size: 13px; }
  .data-table th, .data-table td { padding: var(--sp-2) var(--sp-3); }
  .data-table { min-width: 520px; }
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.pill.success { background: var(--jp-success-soft); color: var(--jp-success); }
.pill.warning { background: var(--jp-warning-soft); color: var(--jp-warning); }
.pill.error { background: var(--jp-error-soft); color: var(--jp-error); }
.pill.info { background: var(--jp-info-soft); color: var(--jp-info); }
.pill.muted { background: var(--jp-bg-section); color: var(--jp-text-muted); }

.api-key-box {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  background: var(--jp-bg-soft);
  border: 1px solid var(--jp-border);
  border-radius: var(--r-md);
  padding: var(--sp-3) var(--sp-4);
}
.api-key-box code {
  flex: 1;
  background: transparent;
  padding: 0;
  font-size: 14px;
  color: var(--jp-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Payment */
.payment-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--sp-6);
  align-items: start;
}
@media (max-width: 880px) { .payment-grid { grid-template-columns: 1fr; } }
.method-tabs {
  display: flex;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
}
.method-tab {
  flex: 1;
  padding: var(--sp-4);
  border: 1px solid var(--jp-border);
  border-radius: var(--r-md);
  background: var(--jp-bg);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  transition: all 0.15s ease;
}
.method-tab:hover { border-color: var(--jp-border-strong); }
.method-tab.active {
  border-color: var(--jp-text);
  background: var(--jp-bg-soft);
}
.method-tab .ico { font-size: 22px; }
.method-tab .label { font-weight: 600; font-size: 14.5px; }
.method-tab .sub { font-size: 12.5px; color: var(--jp-text-muted); display: block; }

.qr-pane {
  background: var(--jp-bg-soft);
  border: 1px solid var(--jp-border);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  text-align: center;
}
.qr-pane img { margin: 0 auto var(--sp-3); border-radius: var(--r-md); }
.qr-pane .addr {
  font-family: var(--font-mono);
  font-size: 13px;
  word-break: break-all;
  background: var(--jp-bg);
  padding: var(--sp-3);
  border-radius: var(--r-sm);
  border: 1px solid var(--jp-border);
  margin-bottom: var(--sp-3);
}
.qr-pane .amount {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--jp-text);
  margin-bottom: var(--sp-2);
}

.notice {
  background: var(--jp-warning-soft);
  border: 1px solid #f0d8a0;
  color: #8a5d09;
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--r-md);
  font-size: 14px;
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
}
.notice strong { color: #6e4906; }

/* Footer */
.site-footer {
  margin-top: var(--sp-9);
  background: var(--jp-primary);
  color: #c8c8c8;
  padding: var(--sp-8) 0 var(--sp-5);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: var(--sp-6);
  margin-bottom: var(--sp-6);
}
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-col h5 {
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--sp-3);
}
.footer-col a {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  color: #a0a0a0;
  transition: color 0.15s ease;
}
.footer-col a:hover { color: #fff; }
.footer-brand p {
  color: #a0a0a0;
  font-size: 14px;
  margin-top: var(--sp-3);
  max-width: 280px;
}
.footer-bottom {
  border-top: 1px solid #2a2a2a;
  padding-top: var(--sp-4);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-3);
  font-size: 13px;
  color: #888;
}

/* Toast */
#toastWrap {
  position: fixed;
  bottom: var(--sp-5);
  right: var(--sp-5);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.toast {
  background: var(--jp-text);
  color: #fff;
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--r-md);
  font-size: 14px;
  box-shadow: var(--sh-lg);
  min-width: 220px;
  animation: toast-in 0.25s ease;
}
.toast.success { background: var(--jp-success); }
.toast.error { background: var(--jp-error); }
@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Modal */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(17,17,17,0.4);
  display: flex; align-items: center; justify-content: center;
  z-index: 90;
  padding: var(--sp-4);
  animation: fade-in 0.18s ease;
}
.modal {
  background: var(--jp-bg);
  border-radius: var(--r-lg);
  max-width: 480px;
  width: 100%;
  padding: var(--sp-6);
  box-shadow: var(--sh-lg);
}
.modal h3 { margin-bottom: var(--sp-3); }
.modal .modal-actions { display: flex; gap: var(--sp-3); margin-top: var(--sp-5); justify-content: flex-end; }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* Utility */
.flex { display: flex; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-2 { gap: var(--sp-2); }
.gap-3 { gap: var(--sp-3); }
.gap-4 { gap: var(--sp-4); }
.mt-3 { margin-top: var(--sp-3); }
.mt-4 { margin-top: var(--sp-4); }
.mt-5 { margin-top: var(--sp-5); }
.mb-3 { margin-bottom: var(--sp-3); }
.mb-4 { margin-bottom: var(--sp-4); }
.mb-5 { margin-bottom: var(--sp-5); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.hidden { display: none !important; }

@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav-wrap { padding: var(--sp-3) var(--sp-4); }
  .site-shell { padding-bottom: 74px; }
  .mobile-dock {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 40;
    background: rgba(255,255,255,0.96);
    border-top: 1px solid var(--jp-border);
    box-shadow: 0 -10px 30px rgba(17,17,17,0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
}

/* MiraiAPI baseball background shared by app pages */
#miraiBgCanvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.22;
}
.site-shell, #toastWrap {
  position: relative;
  z-index: 1;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
}