/* ===========================
   結いぽす (YuiPOS) — style.css
   =========================== */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Zen+Maru+Gothic:wght@400;500;700;900&display=swap');

/* ---- CSS Variables ---- */
:root {
  --pink:        #FF85A1;
  --pink-light:  #FFF0F3;
  --pink-border: #FFB3C1;
  --pink-dark:   #E8607E;
  --pink-pale:   #FFD6E0;
  --slate-dark:  #1E293B;
  --slate-mid:   #334155;
  --white:       #FFFFFF;
  --text-main:   #374151;
  --text-muted:  #6B7280;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Zen Maru Gothic', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN',
               'Noto Sans JP', sans-serif;
  background-color: var(--pink-light);
  color: var(--text-main);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ---- Tailwind Custom Colors (補完) ---- */
.bg-yui-pink        { background-color: var(--pink); }
.bg-yui-light       { background-color: var(--pink-light); }
.bg-yui-pale        { background-color: var(--pink-pale); }
.text-yui-pink      { color: var(--pink); }
.border-yui-pink    { border-color: var(--pink-border); }
.ring-yui-pink      { --tw-ring-color: var(--pink); }

/* ---- Navigation ---- */
.nav-logo-text {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--pink);
  letter-spacing: -0.02em;
  line-height: 1;
}
.nav-logo-sub {
  font-size: 0.65rem;
  font-weight: 700;
  color: #9CA3AF;
  letter-spacing: 0.15em;
  margin-top: -2px;
}

/* ---- Dot background pattern ---- */
.dot-pattern {
  background-image: radial-gradient(var(--pink-border) 1px, transparent 1px);
  background-size: 20px 20px;
}

/* ---- Hero background image ---- */
.hero-section {
  background-image: url('yuipos.webp');
  background-size: cover;
  background-position: center 40%;
  background-repeat: no-repeat;
}

.hero-overlay {
  /* ドット柄 + グラデーションオーバーレイを重ね合わせ */
  background-image:
    radial-gradient(rgba(255, 179, 193, 0.35) 1px, transparent 1px),
    linear-gradient(
      to bottom,
      rgba(255, 240, 243, 0.96) 0%,
      rgba(255, 240, 243, 0.80) 30%,
      rgba(255, 240, 243, 0.80) 70%,
      rgba(255, 240, 243, 0.96) 100%
    );
  background-size: 20px 20px, 100% 100%;
}

/* ---- Buttons ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2.5rem;
  background-color: var(--pink);
  color: #fff;
  font-weight: 900;
  font-size: 1.1rem;
  border-radius: 9999px;
  border: none;
  cursor: pointer;
  transition: transform 0.25s cubic-bezier(0.175,0.885,0.32,1.275),
              box-shadow 0.25s ease,
              background-color 0.2s ease;
  text-decoration: none;
}
.btn-primary:hover {
  background-color: var(--pink-dark);
  transform: scale(1.05);
  box-shadow: 0 8px 25px rgba(255,133,161,0.45);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2.5rem;
  background-color: transparent;
  color: var(--pink);
  font-weight: 900;
  font-size: 1.1rem;
  border-radius: 9999px;
  border: 3px solid var(--pink);
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.2s ease;
  text-decoration: none;
}
.btn-outline:hover {
  background-color: var(--pink-light);
  transform: scale(1.03);
}

/* ---- Section heading deco ---- */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--pink);
  background-color: rgba(255,133,161,0.1);
  border: 1.5px solid var(--pink-border);
  border-radius: 9999px;
  padding: 0.25rem 1rem;
  margin-bottom: 0.75rem;
}

.section-divider {
  width: 3rem;
  height: 4px;
  background: linear-gradient(90deg, var(--pink), var(--pink-pale));
  border-radius: 9999px;
  margin: 0.75rem auto 0;
}

/* ---- Cards ---- */
.card-feature {
  background: #fff;
  border: 1.5px solid #FFE4EC;
  border-radius: 1.5rem;
  padding: 1.75rem 1.5rem;
  text-align: center;
  transition: transform 0.3s cubic-bezier(0.175,0.885,0.32,1.275),
              box-shadow 0.3s ease;
}
.card-feature:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(255,133,161,0.2);
}

.card-plugin {
  background: #fff;
  border: 1.5px solid #FFE4EC;
  border-radius: 1.25rem;
  padding: 1.5rem;
  text-align: center;
  transition: transform 0.3s cubic-bezier(0.175,0.885,0.32,1.275),
              box-shadow 0.3s ease;
}
.card-plugin:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(255,133,161,0.2);
}

/* Plugin icon circle */
.plugin-icon {
  width: 3.25rem;
  height: 3.25rem;
  background-color: rgba(255,133,161,0.12);
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.75rem;
  color: var(--pink);
}

/* ---- Terminal / Code block ---- */
.terminal {
  background: #0F172A;
  border-radius: 1.5rem;
  padding: 2rem;
  font-family: 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
  font-size: 0.85rem;
  color: #94A3B8;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  position: relative;
}
.terminal-dots {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.terminal-dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 9999px;
}
.terminal .key   { color: #94A3B8; }
.terminal .val   { color: #4ADE80; }
.terminal .pink  { color: #F9A8D4; }
.terminal .dim   { color: #475569; }
.terminal-badge {
  position: absolute;
  bottom: -0.75rem;
  right: 1.5rem;
  background: var(--pink);
  color: #fff;
  font-weight: 900;
  font-size: 0.85rem;
  padding: 0.3rem 1rem;
  border-radius: 0.75rem;
  box-shadow: 0 4px 12px rgba(255,133,161,0.5);
}

/* ---- Pricing ---- */
.pricing-card-free {
  background: #fff;
  border-radius: 2rem;
  border: 2.5px solid var(--pink-border);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}
.pricing-card-free::before {
  content: '店舗様向け';
  position: absolute;
  top: 0;
  right: 0;
  background: var(--pink);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 900;
  padding: 0.3rem 0.85rem;
  border-bottom-left-radius: 0.75rem;
}

.pricing-card-paid {
  background: var(--slate-dark);
  border-radius: 2rem;
  border: 2px solid #334155;
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  color: #fff;
}
.pricing-card-paid::before {
  content: 'ベンダー・開発者様向け';
  position: absolute;
  top: 0;
  right: 0;
  background: #F59E0B;
  color: #1E293B;
  font-size: 0.7rem;
  font-weight: 900;
  padding: 0.3rem 0.85rem;
  border-bottom-left-radius: 0.75rem;
}

.pricing-price-free {
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--pink);
  line-height: 1;
}
.pricing-check {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 700;
  color: #374151;
  font-size: 0.9rem;
}
.pricing-check-paid {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.btn-pricing-free {
  width: 100%;
  padding: 1rem;
  background: #F3F4F6;
  color: #6B7280;
  font-weight: 900;
  border-radius: 1rem;
  border: 1.5px solid #E5E7EB;
  cursor: not-allowed;
  font-size: 0.95rem;
  font-family: inherit;
}
.btn-pricing-paid {
  width: 100%;
  padding: 1rem;
  background: #F59E0B;
  color: #1E293B;
  font-weight: 900;
  border-radius: 1rem;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  font-family: inherit;
  transition: background-color 0.2s ease, transform 0.2s ease;
}
.btn-pricing-paid:hover {
  background: #FBBF24;
  transform: scale(1.02);
}

/* ---- Developer Cards (dark bg) ---- */
.dev-card {
  background: #1E293B;
  border: 1.5px solid #334155;
  border-radius: 1.75rem;
  padding: 2rem;
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.dev-card:hover {
  border-color: var(--pink);
  transform: translateY(-4px);
}

/* ---- Market Banner ---- */
.market-banner {
  background: linear-gradient(135deg, #1E293B 0%, #2D1B35 100%);
  border-radius: 2rem;
  border: 2px solid #4B3054;
  position: relative;
  overflow: hidden;
}
.market-banner::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 350px;
  height: 350px;
  background: var(--pink);
  opacity: 0.07;
  border-radius: 9999px;
  pointer-events: none;
}

/* ---- Scroll animation ---- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up-delay-1 { transition-delay: 0.1s; }
.fade-up-delay-2 { transition-delay: 0.2s; }
.fade-up-delay-3 { transition-delay: 0.3s; }
.fade-up-delay-4 { transition-delay: 0.4s; }

/* ---- Mobile menu ---- */
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem 1.5rem 1.5rem;
  background: #fff;
  border-bottom: 1.5px solid var(--pink-border);
}
.mobile-menu.open {
  display: flex;
}
.mobile-menu a {
  font-weight: 700;
  color: var(--text-main);
  padding: 0.5rem 0;
  border-bottom: 1px solid #F3F4F6;
  text-decoration: none;
}
.mobile-menu a:hover { color: var(--pink); }

/* ---- Utilities ---- */
.rounded-yui   { border-radius: 1.5rem; }
.rounded-yui-l { border-radius: 2rem; }
.rounded-yui-xl { border-radius: 3rem; }
.shadow-yui    { box-shadow: 0 4px 20px rgba(255,133,161,0.25); }
.shadow-yui-lg { box-shadow: 0 10px 40px rgba(255,133,161,0.3); }

/* ---- FAQ Accordion ---- */
.faq-group {
  margin-bottom: 0.5rem;
}

.faq-group-title {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.85rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  color: var(--pink-dark);
  background: rgba(255,133,161,0.1);
  border: 1.5px solid var(--pink-border);
  border-radius: 1rem;
  padding: 0.6rem 1.1rem;
  margin-bottom: 0.75rem;
  width: fit-content;
}

.faq-group-title--dark {
  color: #94A3B8;
  background: rgba(30,41,59,0.06);
  border-color: #CBD5E1;
}

.faq-group-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  background: var(--pink);
  color: #fff;
  border-radius: 0.5rem;
  flex-shrink: 0;
}

.faq-group-icon--dark {
  background: #334155;
}

.faq-list {
  border-radius: 1.5rem;
  overflow: hidden;
  border: 1.5px solid #FFE4EC;
  background: #fff;
}

.faq-group-title--dark + .faq-list {
  border-color: #E2E8F0;
}

.faq-item {
  border-bottom: 1px solid #FFF0F3;
}

.faq-group-title--dark + .faq-list .faq-item {
  border-bottom-color: #F1F5F9;
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  color: #1E293B;
  text-align: left;
  transition: background-color 0.2s ease;
}

.faq-question:hover {
  background-color: #FFF8FA;
}

.faq-item.open .faq-question {
  color: var(--pink-dark);
  background-color: #FFF8FA;
}

.faq-chevron {
  color: var(--pink);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  flex-shrink: 0;
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0 1.5rem;
}

.faq-item.open .faq-answer {
  max-height: 400px;
  padding: 0 1.5rem 1.25rem;
}

.faq-answer p {
  font-size: 0.9rem;
  font-weight: 700;
  color: #6B7280;
  line-height: 1.8;
  border-left: 3px solid var(--pink-border);
  padding-left: 1rem;
  margin: 0;
}

/* ---- Responsive tweaks ---- */
@media (max-width: 768px) {
  .pricing-card-free,
  .pricing-card-paid {
    padding: 2rem 1.5rem;
  }
  .terminal { font-size: 0.78rem; }
}