/*
Theme Name: Sokuresu Promo
Theme URI: https://example.com/sokuresu
Author: Sokuresu Team
Author URI: https://example.com
Description: Promotional theme for Sokuresu Windows app.
Version: 1.0.0
Text Domain: sokuresu
*/

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+JP:wght@300;400;600;700&family=Space+Grotesk:wght@400;600;700&display=swap');

:root {
  /* Main brand colors from app icon gradient */
  --mint-green: #6ee7b7;
  --sky-blue: #60c5f1;
  --deep-blue: #2d7de6;

  /* Background colors - darker to match app UI */
  --bg: #f8fafc;
  --bg-gradient-start: #f0fdf9;
  --bg-gradient-end: #e0f2fe;

  /* Text colors */
  --ink: #0f172a;
  --ink-light: #1e293b;
  --muted: #475569;
  --muted-light: #64748b;

  /* Accent colors */
  --accent: linear-gradient(135deg, #6ee7b7 0%, #60c5f1 100%);
  --accent-orange: linear-gradient(135deg, #fb923c 0%, #f472b6 100%);
  --accent-solid: #60c5f1;

  /* UI elements */
  --card: #ffffff;
  --card-elevated: rgba(255, 255, 255, 0.95);
  --line: rgba(15, 23, 42, 0.08);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.12);
  --shadow-xl: 0 30px 70px rgba(15, 23, 42, 0.15);

  /* Border radius */
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;

  /* Z-index scale */
  --z-base: 1;
  --z-dropdown: 10;
  --z-header: 20;
  --z-modal: 30;
  --z-tooltip: 40;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'IBM Plex Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, var(--bg-gradient-start) 0%, var(--bg) 50%, var(--bg-gradient-end) 100%);
  background-attachment: fixed;
  line-height: 1.7;
}

p {
  margin: 0 0 16px;
}

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

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

.container {
  width: min(1200px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--card-elevated);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
}

.logo span {
  background: var(--accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  gap: 20px;
  font-weight: 600;
  font-size: 0.95rem;
}

.nav-links a {
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover {
  border-color: var(--accent-solid);
  color: var(--accent-solid);
}

.hero {
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 40px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(110, 231, 183, 0.15), rgba(96, 197, 241, 0.15));
  border: 1.5px solid rgba(96, 197, 241, 0.3);
  color: var(--deep-blue);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
}

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.4rem, 3vw + 1rem, 4rem);
  line-height: 1.1;
  margin: 18px 0 16px;
  text-wrap-mode: nowrap;
}

.hero-title span {
  background: var(--accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-copy {
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 28px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 32px;
  border-radius: 999px;
  font-weight: 700;
  border: none;
  background: var(--accent-orange);
  color: #ffffff;
  transition: transform 0.2s ease-out, box-shadow 0.2s ease-out, filter 0.2s ease-out;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.button::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent);
  opacity: 0;
  transition: opacity 0.2s ease-out;
}

.button:hover::before {
  opacity: 1;
}

.button.secondary {
  background: var(--card);
  color: var(--ink);
  border: 2px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.button:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.hero-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}

.hero-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(96, 197, 241, 0.15), transparent 70%);
  filter: blur(40px);
}

.hero-card::after {
  content: '';
  position: absolute;
  bottom: -40%;
  left: -20%;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(110, 231, 183, 0.12), transparent 70%);
  filter: blur(40px);
}

.shortcut-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.shortcut {
  padding: 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line);
  position: relative;
  z-index: var(--z-base);
}

.shortcut span {
  display: inline-block;
  font-weight: 700;
  margin-bottom: 6px;
  background: var(--accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-image-wrapper {
  margin-bottom: 20px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: var(--z-base);
}

.hero-image {
  width: 100%;
  height: auto;
  display: block;
}

.pain-points {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.pain-point {
  padding: 10px 12px;
  background: rgba(251, 146, 60, 0.05);
  border-radius: 8px;
  font-size: 0.9rem;
  border-left: 3px solid rgba(251, 146, 60, 0.3);
}

.section {
  padding: 70px 0;
  position: relative;
}

.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 1.5vw + 1rem, 2.8rem);
  margin: 0 0 16px;
  text-wrap: balance;
}

.section-subtitle {
  color: var(--muted);
  max-width: 640px;
  text-wrap: pretty;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 34px;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  margin-top: 34px;
}

.faq-item {
  background: var(--card);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease-out, box-shadow 0.2s ease-out;
}

.faq-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.faq-item h3 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 1.05rem;
  color: var(--ink);
}

.faq-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.benefit-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: transform 0.2s ease-out, box-shadow 0.2s ease-out;
}

.benefit-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.benefit-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  display: inline-block;
}

.benefit-number {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 12px 0;
  background: var(--accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.feature {
  background: var(--card);
  border-radius: var(--radius-md);
  padding: 28px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  transition: transform 0.2s ease-out, box-shadow 0.2s ease-out;
}

.feature:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  display: block;
}

.feature h3 {
  margin-top: 0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
  margin-top: 26px;
}

.step {
  padding: 28px;
  border-radius: var(--radius-lg);
  background: var(--card);
  border: 2px solid var(--line);
  transition: border-color 0.2s ease-out, background 0.2s ease-out, transform 0.2s ease-out;
  position: relative;
}

.step:hover {
  border-color: var(--accent-solid);
  background: linear-gradient(135deg, rgba(110, 231, 183, 0.05), rgba(96, 197, 241, 0.05));
  transform: translateY(-4px);
}

.step-number {
  position: absolute;
  top: -16px;
  left: 28px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
  font-family: 'Space Grotesk', sans-serif;
  box-shadow: var(--shadow-md);
}

.step h3 {
  margin: 8px 0 12px;
  font-size: 1.1rem;
}

.step p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.shortcut-reminder {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--line);
}

.pricing {
  display: flex;
  justify-content: center;
  margin-top: 32px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.price-card {
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
}

.price-card-main {
  background: linear-gradient(135deg, rgba(110, 231, 183, 0.08), rgba(96, 197, 241, 0.08));
  border: 2px solid var(--accent-solid);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  box-shadow: 0 8px 24px rgba(110, 231, 183, 0.2);
}

.price-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.price-badge-free {
  background: var(--accent-solid);
  color: white;
}

.price-badge-paid {
  background: var(--accent-solid);
  color: white;
}

.price-plan-title {
  font-size: 1.8rem;
  margin: 0 0 8px;
  color: var(--ink);
}

.price-plan-amount {
  margin: 16px 0 24px;
}

.price-plan-amount-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--ink);
}

.price-plan-amount-period {
  font-size: 1rem;
  color: var(--muted);
}

.price-plan-desc {
  color: var(--muted);
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.price-limit-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  margin-bottom: 20px;
  border-radius: var(--radius-sm);
  background: rgba(100, 116, 139, 0.1);
  border: 1px dashed rgba(100, 116, 139, 0.3);
}

.price-limit-badge-premium {
  background: linear-gradient(135deg, rgba(110, 231, 183, 0.15), rgba(96, 197, 241, 0.15));
  border: 1px solid rgba(96, 197, 241, 0.4);
}

.price-limit-icon {
  font-size: 1rem;
}

.price-limit-text {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
}

.price-limit-badge-premium .price-limit-text {
  background: var(--accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.price-features-list {
  margin-bottom: 24px;
}

.price-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
}

.price-feature-icon {
  font-size: 1.2rem;
}

.price-feature-icon-check {
  color: var(--accent-solid);
}

.price-feature-icon-cross {
  color: var(--muted);
}

.price-feature-text {
  color: var(--ink);
}

.price-feature-text-disabled {
  color: var(--muted);
}

.price-feature-text-highlight {
  color: var(--ink);
  font-weight: 600;
}

.price-cta-note {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 12px;
  text-align: center;
}

.price-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.price-button-annual-badge {
  position: absolute;
  top: -10px;
  right: 12px;
  background: linear-gradient(135deg, #fb923c 0%, #f472b6 100%);
  color: white;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(251, 146, 60, 0.4);
  z-index: var(--z-base);
}

.price-button-annual {
  position: relative;
}

.pricing-section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.pricing-cost-section {
  text-align: center;
  margin-top: 60px;
}

.pricing-cost-title {
  margin-bottom: 24px;
  font-size: 1.3rem;
  color: var(--ink);
}

.price-display {
  display: flex;
  align-items: baseline;
  justify-content: center;
  margin: 20px 0;
}

.price-currency {
  font-size: 2rem;
  font-weight: 700;
  color: var(--muted);
  margin-right: 4px;
}

.price-amount {
  font-size: 4rem;
  font-weight: 700;
  font-family: 'Space Grotesk', sans-serif;
  background: var(--accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}

.price-period {
  font-size: 1.2rem;
  color: var(--muted);
  margin-left: 8px;
}

.price-features {
  display: grid;
  gap: 12px;
  text-align: left;
}

.price-feature {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}

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

.cost-comparison {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.cost-item {
  background: var(--card);
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.cost-label {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 8px;
}

.cost-value {
  font-size: 1.5rem;
  margin: 8px 0;
}

.cost-value strong {
  background: var(--accent-orange);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
}

.cost-desc {
  font-size: 0.85rem;
  color: var(--muted-light);
}

.price-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.4rem;
  margin: 10px 0 6px;
}

.price-meta {
  color: var(--muted);
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.badge {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--card);
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.cta {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  color: #ffffff;
  border-radius: var(--radius-xl);
  padding: 48px;
  display: grid;
  gap: 24px;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(96, 197, 241, 0.2), transparent 70%);
  filter: blur(60px);
}

.cta .button {
  background: var(--accent-orange);
  color: #ffffff;
  border: none;
  box-shadow: var(--shadow-md);
}

.cta .button.secondary {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
}

.footer {
  padding: 40px 0 60px;
  color: var(--muted);
  font-size: 0.95rem;
}

.footer-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
  display: grid;
  gap: 8px;
}

.footer-links a {
  color: var(--muted);
}

.footer-links a:hover {
  color: var(--ink);
}

.legal {
  padding-top: 40px;
}

.legal-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}

.legal-card h2 {
  margin: 28px 0 12px;
  font-size: 1.2rem;
  text-wrap: balance;
}

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

.legal-card p {
  text-wrap: pretty;
}

.legal-list {
  padding-left: 18px;
  margin: 0 0 16px;
}

.legal-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}

.legal-table th,
.legal-table td {
  text-align: left;
  padding: 14px 16px;
  border: 1px solid var(--line);
  vertical-align: top;
  background: var(--card);
}

.legal-note {
  color: var(--muted);
  font-size: 0.95rem;
}

.download {
  padding-top: 40px;
}

.download-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 48px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.download-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 24px;
}

.download-meta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 20px;
  color: var(--muted);
  font-size: 0.95rem;
}

.download-meta-item {
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(96, 197, 241, 0.1);
  border: 1px solid rgba(96, 197, 241, 0.25);
}

.download-note {
  margin-top: 20px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  background: rgba(15, 23, 42, 0.04);
  color: var(--muted);
  font-size: 0.95rem;
}

.download-steps {
  margin-top: 48px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.hero-orb {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(96, 197, 241, 0.2), transparent 70%);
  top: -150px;
  right: -200px;
  filter: blur(80px);
  animation: float 12s ease-in-out infinite;
}

.hero-orb-2 {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(110, 231, 183, 0.15), transparent 70%);
  bottom: -100px;
  left: -150px;
  filter: blur(80px);
  animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(20px, -30px) scale(1.05);
  }
  66% {
    transform: translate(-15px, 25px) scale(0.95);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-orb,
  .hero-orb-2 {
    animation: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

@media (max-width: 760px) {
  .nav {
    flex-direction: column;
    gap: 14px;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero {
    padding-top: 60px;
  }

  .hero-card {
    order: -1;
  }

  .cta {
    padding: 28px;
  }

  .download-card {
    padding: 32px 24px;
  }
}