/* ============================================================
   NihonGo — Master Japanese | style.css
   Separate stylesheet for SEO-ready landing page
   ============================================================ */

/* ── Variables ── */
:root {
  --red:    #FF2D55;
  --orange: #FF6B35;
  --yellow: #FFD60A;
  --green:  #30D158;
  --teal:   #5AC8FA;
  --blue:   #0A84FF;
  --purple: #BF5AF2;
  --pink:   #FF375F;
  --ink:    #0D0221;
  --ink2:   #1a0533;
  --cream:  #FFFDF7;
  --grey:   #F5F4F2;
  --muted:  #7A7080;
  --g1: linear-gradient(135deg, #FF2D55, #FF6B35);
  --g2: linear-gradient(135deg, #0A84FF, #5AC8FA);
  --g3: linear-gradient(135deg, #BF5AF2, #FF375F);
  --g4: linear-gradient(135deg, #30D158, #5AC8FA);
  --g5: linear-gradient(135deg, #FFD60A, #FF6B35);
  --shadow-sm:  0 2px 12px rgba(13,2,33,.07);
  --shadow-md:  0 8px 32px rgba(13,2,33,.1);
  --shadow-lg:  0 20px 60px rgba(13,2,33,.13);
  --shadow-xl:  0 32px 80px rgba(13,2,33,.18);
  --radius-sm:  12px;
  --radius-md:  18px;
  --radius-lg:  24px;
  --radius-xl:  32px;
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-font-smoothing: antialiased; }
body {
  font-family: 'Nunito', sans-serif;
  background: var(--cream);
  color: var(--ink);
  overflow-x: hidden;
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: 'Nunito', sans-serif; }

/* ── Smooth scroll reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
.reveal.d4 { transition-delay: 0.32s; }

/* ── Utility ── */
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  border-radius: 50px; padding: 6px 16px;
  font-weight: 900; font-size: .78rem;
  text-transform: uppercase; letter-spacing: .6px;
  margin-bottom: 18px;
}
.chip-red    { background: #FFF0F3; color: var(--red); }
.chip-blue   { background: #EFF5FF; color: var(--blue); }
.chip-green  { background: #EFF9F3; color: var(--green); }
.chip-purple { background: #F5EFFF; color: var(--purple); }
.chip-yellow { background: #FFFBEF; color: #B8860B; }
.chip-dark   { background: var(--ink); color: var(--yellow); }

.sec-title {
  font-family: 'Dela Gothic One', sans-serif;
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -1.5px;
  margin-bottom: 14px;
}
.sec-sub {
  font-size: 1.05rem;
  color: var(--muted);
  font-weight: 600;
  max-width: 580px;
  line-height: 1.75;
  margin-bottom: 48px;
}
.gradient-text-red    { background: var(--g1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.gradient-text-blue   { background: var(--g2); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.gradient-text-purple { background: var(--g3); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.gradient-text-green  { background: var(--g4); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.gradient-text-yellow { background: var(--g5); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

section { padding: 96px 0; overflow: hidden; position: relative; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  border: none; border-radius: 50px; cursor: pointer;
  font-weight: 900; font-size: .95rem;
  padding: 13px 28px; transition: var(--transition);
  position: relative; overflow: hidden;
  white-space: nowrap;
}
.btn::after {
  content: ''; position: absolute; inset: 0;
  background: rgba(255,255,255,.15); opacity: 0;
  transition: opacity .2s;
}
.btn:hover::after { opacity: 1; }
.btn-primary   { background: var(--g1); color: #fff; box-shadow: 0 6px 24px rgba(255,45,85,.32); }
.btn-primary:hover  { transform: translateY(-3px); box-shadow: 0 12px 36px rgba(255,45,85,.45); }
.btn-secondary { background: var(--ink); color: #fff; box-shadow: 0 6px 20px rgba(13,2,33,.2); }
.btn-secondary:hover { transform: translateY(-3px); }
.btn-ghost  { background: transparent; color: var(--ink); border: 2px solid rgba(13,2,33,.18); }
.btn-ghost:hover  { border-color: var(--red); color: var(--red); }
.btn-white  { background: #fff; color: var(--red); box-shadow: 0 6px 20px rgba(0,0,0,.12); }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(0,0,0,.18); }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-sm { padding: 9px 20px; font-size: .85rem; }

/* ============================================================
   TOP BAR
   ============================================================ */
.topbar {
  background: var(--ink);
  color: rgba(255,255,255,.7);
  font-size: .82rem; font-weight: 700;
  padding: 9px 0;
  position: relative; z-index: 200;
}
.topbar-inner {
  display: flex; align-items: center; justify-content: center;
  gap: 6px; flex-wrap: wrap;
}
.topbar-inner span { color: var(--yellow); font-weight: 900; }
.topbar-inner a {
  color: rgba(255,255,255,.65); transition: color .2s;
  border-bottom: 1px solid rgba(255,255,255,.2);
}
.topbar-inner a:hover { color: var(--yellow); }
.topbar-divider { opacity: .3; margin: 0 4px; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: sticky; top: 0; z-index: 190;
  background: rgba(255,253,247,.97);
  backdrop-filter: blur(20px);
  border-bottom: 1.5px solid rgba(13,2,33,.07);
  box-shadow: 0 2px 20px rgba(13,2,33,.06);
  transition: box-shadow .3s;
}
.navbar.scrolled { box-shadow: 0 4px 30px rgba(13,2,33,.1); }
.nav-inner {
  display: flex; align-items: center;
  justify-content: space-between;
  height: 68px; gap: 16px;
}
.nav-logo {
  display: flex; align-items: baseline; gap: 6px;
  font-family: 'Dela Gothic One', sans-serif;
  font-size: 1.7rem; letter-spacing: -1px;
  background: var(--g1);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; flex-shrink: 0;
}
.nav-logo sub {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: .8rem; font-weight: 400;
  -webkit-text-fill-color: var(--muted);
  letter-spacing: 0;
}

/* Desktop nav links */
.nav-menu { display: flex; align-items: center; gap: 2px; }
.nav-item { position: relative; }
.nav-link {
  display: flex; align-items: center; gap: 4px;
  padding: 8px 13px; border-radius: var(--radius-sm);
  font-weight: 800; font-size: .88rem; color: var(--ink);
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}
.nav-link:hover, .nav-item:hover > .nav-link { background: rgba(255,45,85,.07); color: var(--red); }
.nav-arrow { font-size: .6rem; opacity: .5; transition: transform .25s; }
.nav-item:hover .nav-arrow { transform: rotate(180deg); opacity: 1; }

/* Dropdown */
.nav-dropdown {
  position: absolute; top: calc(100% + 10px); left: 50%;
  transform: translateX(-50%) translateY(-6px);
  background: #fff; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1.5px solid rgba(13,2,33,.06);
  opacity: 0; pointer-events: none;
  transition: opacity .25s ease, transform .25s ease;
  z-index: 300; min-width: 260px;
}
.nav-item:hover .nav-dropdown {
  opacity: 1; pointer-events: all;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown-inner { padding: 10px; }
.nav-dropdown-section { margin-bottom: 4px; }
.nav-dropdown-label {
  font-size: .68rem; font-weight: 900; letter-spacing: 1px;
  text-transform: uppercase; color: var(--muted);
  padding: 6px 10px 4px;
}
.nav-dd-link {
  display: flex; align-items: center; gap: 11px;
  padding: 9px 12px; border-radius: var(--radius-sm);
  transition: background var(--transition), transform var(--transition);
  color: var(--ink); font-weight: 700; font-size: .88rem;
}
.nav-dd-link:hover { background: rgba(255,45,85,.06); transform: translateX(4px); }
.nav-dd-icon {
  width: 34px; height: 34px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0;
}
.nav-dd-link span { opacity: .55; font-size: .78rem; font-weight: 600; display: block; }
.nav-dropdown-cta {
  margin: 8px; padding: 14px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; background: var(--g1); color: #fff;
}
.nav-dropdown-cta h4 { font-size: .9rem; margin-bottom: 2px; }
.nav-dropdown-cta p { font-size: .75rem; opacity: .8; }
.nav-cta-pill {
  background: #fff; color: var(--red);
  border-radius: 50px; padding: 6px 14px;
  font-size: .78rem; font-weight: 900;
  white-space: nowrap; flex-shrink: 0;
  cursor: pointer; border: none;
  transition: var(--transition);
}
.nav-cta-pill:hover { transform: scale(1.05); }

/* Wide dropdown */
.nav-dropdown.wide { min-width: 560px; }
.nav-dropdown.wide .nav-dropdown-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }

/* Nav right */
.nav-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.nav-search-wrap { position: relative; }
.nav-search-icon {
  position: absolute; left: 12px; top: 50%;
  transform: translateY(-50%); pointer-events: none;
  font-size: .85rem; opacity: .45;
}
.nav-search {
  background: rgba(13,2,33,.05); border: 1.5px solid transparent;
  border-radius: 50px; padding: 8px 16px 8px 36px;
  font-family: 'Nunito', sans-serif; font-weight: 700; font-size: .85rem;
  width: 150px; outline: none;
  transition: width .35s ease, border-color .25s, background .25s;
}
.nav-search:focus { width: 200px; border-color: var(--red); background: #fff; }

/* Hamburger */
.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav-hamburger span {
  display: block; width: 24px; height: 2.5px;
  background: var(--ink); border-radius: 3px;
  transition: transform .3s ease, opacity .3s ease;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* Mobile drawer */
.nav-mobile-drawer {
  display: none; position: fixed; top: 0; left: 0; right: 0;
  bottom: 0; background: var(--cream); z-index: 180; overflow-y: auto;
  padding: 88px 24px 40px;
  transform: translateX(100%); transition: transform .35s cubic-bezier(.16,1,.3,1);
}
.nav-mobile-drawer.open { transform: translateX(0); }
.mobile-menu-section { margin-bottom: 28px; }
.mobile-menu-section h4 {
  font-size: .72rem; font-weight: 900; letter-spacing: 1px;
  text-transform: uppercase; color: var(--muted);
  margin-bottom: 10px; padding-left: 4px;
}
.mobile-link {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px; border-radius: var(--radius-md);
  font-weight: 800; font-size: .95rem; color: var(--ink);
  transition: background var(--transition);
  margin-bottom: 4px;
}
.mobile-link:hover { background: rgba(255,45,85,.06); }
.mobile-link .m-icon {
  width: 36px; height: 36px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0;
}
.mobile-cta-row { display: flex; gap: 10px; margin-top: 20px; }
.mobile-cta-row .btn { flex: 1; justify-content: center; }
.mobile-divider { height: 1px; background: rgba(13,2,33,.08); margin: 16px 0; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: calc(100vh - 108px);
  display: flex; align-items: center;
  background: linear-gradient(155deg, #FFFDF7 0%, #FFF0F6 45%, #EFF4FF 100%);
  padding: 30px 0 80px; overflow: hidden; position: relative;
}
.hero::before {
  content: '日本語';
  font-family: 'Noto Sans JP', sans-serif; font-size: 26rem; font-weight: 900;
  position: absolute; right: -80px; top: 50%; transform: translateY(-50%);
  color: rgba(255,45,85,.04); pointer-events: none; line-height: 1;
  user-select: none;
}
.hero-grid {
  display: grid; grid-template-columns: 1.05fr .95fr;
  gap: 64px; align-items: center;
}
.hero-eyebrow { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 22px; }
.hero-pill {
  display: inline-flex; align-items: center; gap: 6px;
  border-radius: 50px; padding: 5px 14px;
  font-weight: 900; font-size: .78rem;
}
.pill-live { background: var(--yellow); color: var(--ink); }
.pill-award { background: var(--g2); color: #fff; }
.live-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--red); animation: livePulse 1.5s infinite;
}
@keyframes livePulse { 0%,100%{transform:scale(1);opacity:1} 50%{transform:scale(1.5);opacity:.5} }

h1.hero-title {
  font-family: 'Dela Gothic One', sans-serif;
  font-size: clamp(3rem, 5.5vw, 5.6rem);
  line-height: 1.0; letter-spacing: -3px;
  margin-bottom: 20px;
}
.hero-title .jp-line {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: clamp(1.1rem, 2vw, 1.6rem);
  display: block; opacity: .18; letter-spacing: -1px;
  font-weight: 900; margin-bottom: 4px;
}
.hero-desc {
  font-size: 1.1rem; line-height: 1.78;
  color: var(--muted); font-weight: 600;
  max-width: 500px; margin-bottom: 34px;
}
.hero-cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 36px; }
.hero-trust {
  display: flex; align-items: center; gap: 14px;
  padding-top: 24px; border-top: 1px solid rgba(13,2,33,.08);
}
.trust-avatars { display: flex; }
.trust-av {
  width: 34px; height: 34px; border-radius: 50%;
  border: 2.5px solid var(--cream); margin-left: -10px;
  display: flex; align-items: center; justify-content: center;
  font-size: .95rem; background: var(--grey);
}
.trust-av:first-child { margin-left: 0; }
.trust-text { font-size: .85rem; font-weight: 700; color: var(--muted); }
.trust-text strong { color: var(--ink); }
.trust-stars { color: var(--yellow); font-size: .85rem; letter-spacing: 1px; }

/* Hero App Preview */
.hero-visual { position: relative; }
.app-preview-frame {
  background: var(--ink2); border-radius: 28px;
  padding: 20px; box-shadow: var(--shadow-xl), 0 0 0 1px rgba(255,255,255,.08);
  position: relative; z-index: 1;
  animation: heroFloat 6s ease-in-out infinite;
}
@keyframes heroFloat { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }
.app-topbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 18px;
}
.app-chip {
  display: flex; align-items: center; gap: 6px;
  border-radius: 50px; padding: 4px 12px;
  font-size: .75rem; font-weight: 800; border: 1px solid;
}
.app-chip-streak { background: rgba(255,214,10,.12); border-color: rgba(255,214,10,.25); color: var(--yellow); }
.app-chip-xp     { background: rgba(10,132,255,.12);  border-color: rgba(10,132,255,.25);  color: var(--teal); }
.app-chip-level  { background: var(--g3); border-color: transparent; color: #fff; }

/* Lesson card inside app */
.app-lesson-card {
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.1);
  border-radius: 18px; padding: 18px; margin-bottom: 12px;
}
.alc-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 14px;
}
.alc-tag {
  background: var(--g1); color: #fff;
  border-radius: 50px; padding: 3px 11px;
  font-size: .72rem; font-weight: 900;
}
.alc-progress-text { font-size: .75rem; color: rgba(255,255,255,.4); font-weight: 700; }
.alc-kanji {
  text-align: center; padding: 6px 0 14px;
}
.kanji-char { font-family: 'Noto Sans JP', sans-serif; font-size: 4rem; color: #fff; display: block; line-height: 1; }
.kanji-romaji { font-size: .8rem; color: rgba(255,255,255,.45); font-weight: 700; margin-top: 4px; }
.kanji-question { font-size: .88rem; color: rgba(255,255,255,.6); font-weight: 700; margin-top: 6px; }
.alc-choices { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.choice {
  background: rgba(255,255,255,.07); border: 1.5px solid rgba(255,255,255,.12);
  border-radius: 10px; padding: 10px; text-align: center;
  color: #fff; font-weight: 800; font-size: .84rem;
  transition: var(--transition);
}
.choice:hover { background: rgba(255,255,255,.14); }
.choice.correct { background: rgba(48,209,88,.2); border-color: var(--green); color: var(--green); }

.app-progress-bar { height: 6px; background: rgba(255,255,255,.08); border-radius: 50px; overflow: hidden; margin-top: 4px; }
.app-progress-fill { height: 100%; background: var(--g2); width: 65%; border-radius: 50px; transition: width 1.5s ease; }

/* Floating mini cards */
.hero-float-card {
  position: absolute;
  background: #fff; border-radius: var(--radius-md);
  padding: 12px 16px; box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: .82rem; z-index: 2;
  animation: floatCard 5s ease-in-out infinite alternate;
  white-space: nowrap;
}
.hero-float-card.fc-tl { top: -18px; left: -24px; animation-duration: 4s; }
.hero-float-card.fc-tr { top: 20%; right: -28px; animation-duration: 5.5s; animation-delay: -.8s; }
.hero-float-card.fc-bl { bottom: 22%; left: -30px; animation-duration: 4.8s; animation-delay: -1.5s; }
.hero-float-card.fc-br { bottom: -14px; right: -16px; animation-duration: 6s; animation-delay: -.4s; }
@keyframes floatCard { from{transform:translateY(0)} to{transform:translateY(-10px)} }
.fc-icon { font-size: 1.4rem; }
.fc-label { display: flex; flex-direction: column; }
.fc-label strong { font-size: .82rem; }
.fc-label span  { font-size: .72rem; color: var(--muted); font-weight: 600; }

/* ============================================================
   MARQUEE
   ============================================================ */
.marquee-section { padding: 0; overflow: hidden; }
.marquee-row {
  display: flex; overflow: hidden; padding: 14px 0;
}
.marquee-row-1 { background: var(--ink); }
.marquee-row-2 { background: var(--red); }
.marquee-row-3 { background: var(--blue); }
.marquee-track {
  display: flex; gap: 40px; width: max-content;
  animation: marquee 22s linear infinite;
}
.marquee-row-2 .marquee-track { animation-direction: reverse; animation-duration: 18s; }
.marquee-row-3 .marquee-track { animation-duration: 26s; }
.marquee-item {
  font-family: 'Dela Gothic One', sans-serif;
  font-size: .95rem; color: rgba(255,255,255,.55); white-space: nowrap;
}
.marquee-item em { color: rgba(255,255,255,.9); font-style: normal; }
@keyframes marquee { from{transform:translateX(0)} to{transform:translateX(-50%)} }

/* ============================================================
   STATS
   ============================================================ */
.stats-section { background: #fff; padding: 36px 0; border-bottom: 1.5px solid rgba(13,2,33,.06); }
.stats-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 0; }
.stat-item {
  text-align: center; padding: 12px 20px;
  border-right: 1.5px solid rgba(13,2,33,.07);
}
.stat-item:last-child { border-right: none; }
.stat-icon { font-size: 1.5rem; display: block; margin-bottom: 6px; }
.stat-val {
  font-family: 'Dela Gothic One', sans-serif;
  font-size: 2rem; letter-spacing: -1px; display: block;
}
.stat-lbl {
  font-size: .78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .5px;
  color: var(--muted); display: block; margin-top: 2px;
}

/* ============================================================
   FEATURES BENTO
   ============================================================ */
.features-section { background: var(--cream); }
.bento-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  grid-template-rows: auto;
  gap: 18px;
}
.bento {
  border-radius: var(--radius-lg); padding: 30px 28px;
  position: relative; overflow: hidden;
  transition: transform var(--transition-bounce), box-shadow var(--transition);
}
.bento:hover { transform: translateY(-7px); box-shadow: var(--shadow-xl); }
.bento::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.28) 0%, transparent 55%);
  pointer-events: none;
}
.bento-wide { grid-column: span 2; }
.bento-tall { grid-row: span 2; }
.b1 { background: var(--g1); color: #fff; }
.b2 { background: var(--g2); color: #fff; }
.b3 { background: var(--g3); color: #fff; }
.b4 { background: var(--g4); color: #fff; }
.b5 { background: var(--g5); color: var(--ink); }
.b6 { background: var(--ink); color: #fff; }
.b7 { background: linear-gradient(135deg,#30D158,#FFD60A); color: var(--ink); }
.b8 { background: linear-gradient(135deg,#FF375F,#BF5AF2); color: #fff; }
.bento-icon { font-size: 2.2rem; margin-bottom: 14px; display: block; }
.bento-title {
  font-family: 'Dela Gothic One', sans-serif;
  font-size: 1.15rem; letter-spacing: -.5px; margin-bottom: 8px;
}
.bento-desc { font-size: .88rem; line-height: 1.65; opacity: .88; font-weight: 600; }
.bento-stat {
  font-family: 'Dela Gothic One', sans-serif;
  font-size: 2.2rem; letter-spacing: -2px; margin-top: 14px; display: block;
}
.bento-jp {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 3.5rem; position: absolute; bottom: 14px; right: 18px;
  opacity: .12; line-height: 1; pointer-events: none;
}

/* ============================================================
   APP FEATURES SHOWCASE (replaces drawing board)
   ============================================================ */
.app-showcase { background: linear-gradient(160deg, #0D0221, #1a0533); color: #fff; }
.app-showcase-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.app-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; }
.app-tab {
  background: rgba(255,255,255,.07); border: 1.5px solid rgba(255,255,255,.1);
  border-radius: 50px; padding: 8px 18px; cursor: pointer;
  font-weight: 800; font-size: .84rem; color: rgba(255,255,255,.65);
  transition: var(--transition); white-space: nowrap;
}
.app-tab:hover { background: rgba(255,255,255,.12); color: #fff; }
.app-tab.active { background: var(--g1); border-color: transparent; color: #fff; }
.app-tab-panel { display: none; animation: fadeUp .4s ease; }
.app-tab-panel.active { display: block; }
@keyframes fadeUp { from{opacity:0;transform:translateY(12px)} to{opacity:1;transform:translateY(0)} }

.app-panel-title {
  font-family: 'Dela Gothic One', sans-serif;
  font-size: 1.6rem; letter-spacing: -.5px; margin-bottom: 12px;
}
.app-panel-desc { font-size: .95rem; color: rgba(255,255,255,.65); font-weight: 600; line-height: 1.7; margin-bottom: 22px; }
.app-panel-features { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.app-panel-features li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: .9rem; font-weight: 700; color: rgba(255,255,255,.85);
}
.apf-dot {
  width: 20px; height: 20px; border-radius: 50%; flex-shrink: 0; margin-top: 2px;
  display: flex; align-items: center; justify-content: center; font-size: .7rem;
}

/* App UI mockup on right */
.app-ui-mockup {
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-xl); padding: 24px; min-height: 420px;
  position: relative; overflow: hidden;
}
.app-ui-mockup::before {
  content: ''; position: absolute;
  top: -60px; right: -60px; width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(191,90,242,.2), transparent 70%);
}
.mockup-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}
.mockup-title {
  font-family: 'Dela Gothic One', sans-serif;
  font-size: 1rem; letter-spacing: -.3px;
}
.mockup-badge {
  background: rgba(255,214,10,.15); color: var(--yellow);
  border-radius: 50px; padding: 3px 10px; font-size: .72rem; font-weight: 800;
}

/* Flashcard mockup */
.flashcard-ui {
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg); padding: 28px; text-align: center; margin-bottom: 14px;
}
.fc-kanji-big { font-family: 'Noto Sans JP'; font-size: 4.5rem; display: block; }
.fc-hint-text { font-size: .8rem; color: rgba(255,255,255,.4); font-weight: 700; margin-top: 6px; }
.fc-buttons { display: flex; justify-content: center; gap: 10px; margin-top: 14px; }
.fc-btn-mock {
  width: 46px; height: 46px; border-radius: 50%; border: none;
  font-size: 1.2rem; cursor: default;
}
.fc-no  { background: rgba(255,45,85,.2);  color: var(--red); }
.fc-mid { background: rgba(255,255,255,.1); color: #fff; }
.fc-yes { background: rgba(48,209,88,.2);   color: var(--green); }
.fc-progress-dots { display: flex; justify-content: center; gap: 6px; margin-top: 14px; }
.fc-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.15); }
.fc-dot.done { background: var(--green); }
.fc-dot.active { background: var(--blue); transform: scale(1.3); }

/* Word library mockup */
.word-library-ui { display: flex; flex-direction: column; gap: 8px; }
.word-row {
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-sm); padding: 12px 14px;
  display: flex; align-items: center; gap: 14px;
  transition: background .2s;
}
.word-row:hover { background: rgba(255,255,255,.12); }
.word-jp { font-family: 'Noto Sans JP'; font-size: 1.3rem; color: #fff; min-width: 42px; }
.word-en { font-weight: 800; font-size: .88rem; flex: 1; }
.word-romaji { font-size: .78rem; color: rgba(255,255,255,.45); font-weight: 700; }
.word-level { border-radius: 50px; padding: 2px 9px; font-size: .68rem; font-weight: 900; }

/* AI Course mockup */
.ai-course-ui {}
.ai-course-header {
  display: flex; align-items: center; gap: 10px; margin-bottom: 16px;
}
.ai-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--g3); display: flex; align-items: center; justify-content: center; font-size: 1.3rem; }
.ai-greeting { font-size: .85rem; color: rgba(255,255,255,.65); font-weight: 700; }
.ai-greeting strong { display: block; color: #fff; font-size: .95rem; }
.ai-analysis-bars { display: flex; flex-direction: column; gap: 12px; margin-bottom: 16px; }
.ai-bar-row {}
.ai-bar-label { display: flex; justify-content: space-between; font-size: .82rem; font-weight: 800; color: rgba(255,255,255,.7); margin-bottom: 6px; }
.ai-bar-track { height: 7px; background: rgba(255,255,255,.1); border-radius: 4px; overflow: hidden; }
.ai-bar-fill { height: 100%; border-radius: 4px; }
.ai-suggestion {
  background: rgba(10,132,255,.15); border: 1px solid rgba(10,132,255,.25);
  border-radius: var(--radius-sm); padding: 12px; display: flex; gap: 10px; align-items: flex-start;
}
.ai-suggestion-icon { font-size: 1.3rem; flex-shrink: 0; }
.ai-suggestion-text { font-size: .82rem; color: rgba(255,255,255,.8); font-weight: 700; line-height: 1.5; }

/* Sentence tool mockup */
.sentence-tool-ui {}
.sentence-input-mock {
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-sm); padding: 12px 16px; margin-bottom: 10px;
}
.sentence-input-mock p { font-size: .88rem; color: rgba(255,255,255,.6); font-weight: 700; margin-bottom: 6px; }
.word-chips { display: flex; gap: 7px; flex-wrap: wrap; }
.word-chip {
  border-radius: 50px; padding: 5px 12px; font-size: .8rem; font-weight: 900;
  cursor: default;
}
.wc-green  { background: rgba(48,209,88,.2);  color: var(--green); }
.wc-blue   { background: rgba(10,132,255,.2);  color: var(--teal); }
.wc-yellow { background: rgba(255,214,10,.2);  color: var(--yellow); }
.wc-purple { background: rgba(191,90,242,.2);  color: var(--purple); }
.wc-red    { background: rgba(255,45,85,.2);   color: var(--red); }
.sentence-result {
  background: rgba(48,209,88,.1); border: 1px solid rgba(48,209,88,.2);
  border-radius: var(--radius-sm); padding: 12px 14px;
}
.sentence-result p { font-size: .82rem; font-weight: 700; color: rgba(255,255,255,.8); }
.sentence-result strong { color: var(--green); }

/* Drawing board mockup */
.drawing-mockup {
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg); padding: 20px;
}
.drawing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 14px; }
.stroke-tile {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-sm); padding: 14px 8px; text-align: center;
  cursor: default; transition: var(--transition);
}
.stroke-tile:hover { background: rgba(255,45,85,.15); border-color: rgba(255,45,85,.3); }
.stroke-tile.active { background: rgba(255,45,85,.2); border-color: var(--red); }
.stroke-num {
  width: 18px; height: 18px; border-radius: 50%; background: var(--red); color: #fff;
  font-size: .65rem; font-weight: 900; display: inline-flex; align-items: center;
  justify-content: center; margin-bottom: 6px;
}
.stroke-char { font-family: 'Noto Sans JP'; font-size: 1.8rem; display: block; color: #fff; }
.drawing-canvas-mock {
  background: rgba(255,255,255,.05); border: 2px dashed rgba(255,255,255,.15);
  border-radius: var(--radius-md); height: 100px;
  display: flex; align-items: center; justify-content: center;
  font-size: .82rem; color: rgba(255,255,255,.3); font-weight: 700;
}
.drawing-tools { display: flex; gap: 8px; margin-top: 12px; }
.drawing-tool {
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-sm); padding: 7px 14px;
  font-size: .78rem; font-weight: 800; color: rgba(255,255,255,.65);
  cursor: default;
}
.drawing-tool.active { background: rgba(255,45,85,.25); border-color: rgba(255,45,85,.4); color: #fff; }

/* ============================================================
   VOCABULARY SECTION
   ============================================================ */
.vocab-section { background: linear-gradient(160deg, #fff5f8, #f0f5ff); }
.vocab-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.vocab-categories-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.vocab-cat {
  border-radius: var(--radius-lg); padding: 20px 16px; text-align: center;
  cursor: default; transition: transform var(--transition-bounce), box-shadow var(--transition);
  border: 2px solid transparent;
}
.vocab-cat:hover { transform: translateY(-7px) scale(1.03); box-shadow: var(--shadow-lg); }
.vc-emoji { font-size: 1.8rem; display: block; margin-bottom: 8px; }
.vc-title { font-weight: 900; font-size: .88rem; margin-bottom: 3px; }
.vc-count { font-size: .75rem; color: var(--muted); font-weight: 700; }

.vocab-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 28px; }
.vocab-stat-card {
  background: #fff; border-radius: var(--radius-md); padding: 18px;
  border: 2px solid rgba(13,2,33,.07); text-align: center;
  box-shadow: var(--shadow-sm);
}
.vocab-stat-num {
  font-family: 'Dela Gothic One', sans-serif;
  font-size: 2rem; letter-spacing: -1px; display: block;
}
.vocab-stat-lbl { font-size: .78rem; color: var(--muted); font-weight: 700; margin-top: 2px; }

/* ============================================================
   COURSES / LESSONS
   ============================================================ */
.lessons-section { background: #fff; }
.lessons-filter { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 36px; }
.filter-btn {
  background: var(--grey); border: 2px solid transparent;
  border-radius: 50px; padding: 7px 18px;
  font-weight: 800; font-size: .84rem; cursor: pointer; transition: var(--transition);
}
.filter-btn:hover, .filter-btn.active { background: var(--red); color: #fff; border-color: var(--red); }
.lessons-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.lesson-card {
  border-radius: var(--radius-lg); overflow: hidden;
  border: 2px solid rgba(13,2,33,.07); background: #fff;
  transition: transform var(--transition-bounce), box-shadow var(--transition);
}
.lesson-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-lg); }
.lesson-thumb {
  height: 108px; display: flex; align-items: center; justify-content: center;
  font-family: 'Noto Sans JP', sans-serif; font-size: 3rem;
  position: relative;
}
.lesson-body { padding: 16px; }
.lesson-tag {
  display: inline-block; border-radius: 50px;
  padding: 2px 10px; font-size: .7rem; font-weight: 900; margin-bottom: 8px;
}
.lesson-title { font-weight: 900; font-size: .92rem; margin-bottom: 4px; line-height: 1.35; }
.lesson-desc { font-size: .81rem; color: var(--muted); font-weight: 600; line-height: 1.5; }
.lesson-footer {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 12px; padding-top: 12px; border-top: 1.5px solid #F0EEE8;
  font-size: .75rem; font-weight: 800;
}
.lesson-stars { color: var(--yellow); font-size: .78rem; }

/* ============================================================
   CURRICULUM PATH
   ============================================================ */
.curriculum-section { background: var(--ink); color: #fff; }
.curriculum-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.path-timeline { position: relative; padding-left: 40px; }
.path-timeline::before {
  content: ''; position: absolute; left: 14px; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--red), var(--purple), var(--blue), var(--green));
  border-radius: 3px;
}
.path-node { position: relative; margin-bottom: 20px; }
.path-node::before {
  content: ''; position: absolute; left: -34px; top: 14px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--red); border: 3px solid var(--ink);
  box-shadow: 0 0 0 3px var(--red);
  transition: var(--transition);
}
.path-node.done::before { background: var(--green); box-shadow: 0 0 0 3px var(--green); }
.path-node.locked::before { background: #333; box-shadow: 0 0 0 3px #333; }
.path-node-card {
  background: rgba(255,255,255,.06); border: 1.5px solid rgba(255,255,255,.09);
  border-radius: var(--radius-md); padding: 18px 20px;
  display: flex; align-items: center; gap: 16px;
  transition: background var(--transition), transform var(--transition);
}
.path-node-card:hover { background: rgba(255,255,255,.1); transform: translateX(5px); }
.path-node.locked .path-node-card { opacity: .5; }
.pn-badge {
  min-width: 48px; height: 48px; border-radius: 13px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Dela Gothic One', sans-serif; font-size: .9rem;
}
.pn-info h3 { font-weight: 800; font-size: .95rem; }
.pn-info p { font-size: .82rem; color: rgba(255,255,255,.5); font-weight: 600; margin-top: 2px; }
.pn-meta { margin-left: auto; text-align: right; flex-shrink: 0; }
.pn-count { font-family: 'Dela Gothic One'; font-size: 1.3rem; color: var(--yellow); display: block; }
.pn-count small { font-family: 'Nunito'; font-size: .72rem; color: rgba(255,255,255,.35); display: block; }

/* Progress panel */
.progress-panel {
  background: rgba(255,255,255,.06); border: 1.5px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg); padding: 28px;
}
.progress-panel h3 {
  font-family: 'Dela Gothic One'; font-size: 1.1rem; margin-bottom: 20px;
}
.prog-item { margin-bottom: 16px; }
.prog-labels { display: flex; justify-content: space-between; font-size: .83rem; font-weight: 800; color: rgba(255,255,255,.7); margin-bottom: 6px; }
.prog-bar { height: 8px; background: rgba(255,255,255,.1); border-radius: 4px; overflow: hidden; }
.prog-fill { height: 100%; border-radius: 4px; transition: width 1.5s ease; }
.prog-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 20px; }
.prog-stat-card {
  background: rgba(255,255,255,.06); border-radius: var(--radius-md); padding: 14px; text-align: center;
}
.prog-stat-val { font-family: 'Dela Gothic One'; font-size: 1.6rem; display: block; }
.prog-stat-lbl { font-size: .75rem; color: rgba(255,255,255,.45); font-weight: 700; margin-top: 2px; }

/* ============================================================
   AI FEATURES SECTION
   ============================================================ */
.ai-section { background: linear-gradient(160deg, #f5f0ff, #fff0f8); }
.ai-features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.ai-feat-card {
  background: #fff; border-radius: var(--radius-lg); padding: 28px;
  border: 2px solid rgba(13,2,33,.06); position: relative; overflow: hidden;
  transition: transform var(--transition-bounce), box-shadow var(--transition);
}
.ai-feat-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.ai-feat-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; }
.afc-red::before    { background: var(--g1); }
.afc-blue::before   { background: var(--g2); }
.afc-purple::before { background: var(--g3); }
.afc-green::before  { background: var(--g4); }
.afc-yellow::before { background: var(--g5); }
.afc-dark::before   { background: var(--ink); }
.ai-feat-icon { width: 58px; height: 58px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; font-size: 1.7rem; margin-bottom: 18px; }
.ai-feat-title { font-family: 'Dela Gothic One'; font-size: 1.1rem; letter-spacing: -.3px; margin-bottom: 8px; }
.ai-feat-desc { font-size: .87rem; color: var(--muted); font-weight: 600; line-height: 1.65; margin-bottom: 14px; }
.ai-feat-tag { display: inline-block; border-radius: 50px; padding: 2px 10px; font-size: .7rem; font-weight: 900; }

/* ============================================================
   COMMUNITY
   ============================================================ */
.community-section { background: #fff; }
.community-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.leaderboard-card {
  background: var(--ink); border-radius: var(--radius-lg);
  padding: 28px; color: #fff;
}
.lb-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.lb-title { font-family: 'Dela Gothic One'; font-size: 1.05rem; }
.lb-period {
  background: rgba(255,255,255,.1); border-radius: 50px; padding: 4px 12px;
  font-size: .75rem; font-weight: 800; cursor: pointer;
}
.lb-row {
  display: flex; align-items: center; gap: 13px;
  padding: 11px 12px; border-radius: var(--radius-sm);
  margin-bottom: 6px; transition: background .2s;
}
.lb-row:hover { background: rgba(255,255,255,.06); }
.lb-rank { font-family: 'Dela Gothic One'; font-size: .95rem; min-width: 26px; text-align: center; }
.rank-gold { color: var(--yellow); }
.rank-silver { color: #C0C0C0; }
.rank-bronze { color: #CD7F32; }
.lb-av { width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; }
.lb-info { flex: 1; }
.lb-name { font-weight: 800; font-size: .88rem; display: block; }
.lb-level { font-size: .75rem; color: rgba(255,255,255,.4); font-weight: 600; }
.lb-xp { font-family: 'Dela Gothic One'; font-size: .95rem; color: var(--yellow); }

.community-features { display: flex; flex-direction: column; gap: 14px; }
.comm-feat {
  display: flex; align-items: center; gap: 16px;
  background: var(--grey); border-radius: var(--radius-md); padding: 18px;
  border: 2px solid rgba(13,2,33,.05);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.comm-feat:hover { background: #fff; transform: translateX(6px); box-shadow: var(--shadow-md); border-color: rgba(255,45,85,.12); }
.comm-icon { width: 48px; height: 48px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 1.35rem; flex-shrink: 0; }
.comm-title { font-weight: 900; font-size: .93rem; }
.comm-desc { font-size: .82rem; color: var(--muted); font-weight: 600; margin-top: 3px; }

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials-section { background: linear-gradient(160deg, #FFF5F7, #F5F0FF); }
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.testi-card {
  background: #fff; border-radius: var(--radius-lg); padding: 28px;
  border: 2px solid rgba(13,2,33,.06);
  position: relative; overflow: hidden;
  transition: transform var(--transition-bounce), box-shadow var(--transition);
}
.testi-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-lg); }
.testi-card::before {
  content: '"'; font-size: 5rem; line-height: .7;
  position: absolute; top: 18px; right: 20px;
  color: #F5F0F8; font-family: Georgia, serif; pointer-events: none;
}
.testi-stars { color: var(--yellow); font-size: 1rem; margin-bottom: 13px; letter-spacing: 2px; }
.testi-text { font-size: .93rem; line-height: 1.72; color: #445; font-weight: 600; }
.testi-author { display: flex; align-items: center; gap: 12px; margin-top: 20px; padding-top: 16px; border-top: 1.5px solid #F0EEE8; }
.testi-av { width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0; }
.testi-name { font-weight: 900; font-size: .9rem; }
.testi-role { font-size: .78rem; color: var(--muted); font-weight: 600; }
.testi-badge {
  margin-left: auto; background: rgba(255,45,85,.08); color: var(--red);
  border-radius: 50px; padding: 3px 9px; font-size: .7rem; font-weight: 900;
}

/* ============================================================
   PRICING
   ============================================================ */
.pricing-section { background: #fff; }
.price-toggle-wrap { display: flex; align-items: center; justify-content: center; gap: 14px; margin-bottom: 52px; }
.toggle-label { font-weight: 800; font-size: .95rem; }
.toggle-switch {
  width: 52px; height: 28px; background: #DDD; border-radius: 50px;
  cursor: pointer; position: relative; transition: background .3s;
}
.toggle-switch.on { background: var(--green); }
.toggle-knob {
  width: 22px; height: 22px; background: #fff; border-radius: 50%;
  position: absolute; top: 3px; left: 3px; transition: left .3s;
  box-shadow: 0 2px 6px rgba(0,0,0,.2);
}
.toggle-switch.on .toggle-knob { left: 27px; }
.toggle-save {
  background: var(--yellow); color: var(--ink);
  border-radius: 50px; padding: 3px 10px; font-size: .74rem; font-weight: 900;
}
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: start; }
.price-card {
  border-radius: var(--radius-xl); padding: 36px;
  border: 2.5px solid rgba(13,2,33,.08); background: #fff; position: relative;
  transition: transform var(--transition-bounce), box-shadow var(--transition);
}
.price-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.price-card.featured { background: var(--ink); color: #fff; border-color: var(--ink); transform: scale(1.04); }
.price-card.featured:hover { transform: scale(1.04) translateY(-8px); }
.price-hot-tag {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--g1); color: #fff; border-radius: 50px; padding: 5px 18px;
  font-size: .76rem; font-weight: 900; white-space: nowrap;
  box-shadow: 0 4px 16px rgba(255,45,85,.35);
}
.plan-icon { font-size: 1.9rem; margin-bottom: 12px; display: block; }
.plan-name { font-family: 'Dela Gothic One'; font-size: 1.35rem; letter-spacing: -.5px; }
.plan-price-row {
  display: flex; align-items: flex-end; gap: 5px;
  margin: 14px 0 6px;
}
.plan-price {
  font-family: 'Dela Gothic One'; font-size: 2.8rem; letter-spacing: -2px; line-height: 1;
}
.plan-per { font-size: .95rem; font-weight: 700; opacity: .55; margin-bottom: 6px; }
.plan-desc { font-size: .88rem; opacity: .6; font-weight: 600; margin-bottom: 20px; }
.plan-divider { height: 1.5px; background: rgba(13,2,33,.08); margin: 20px 0; }
.price-card.featured .plan-divider { background: rgba(255,255,255,.1); }
.plan-features { display: flex; flex-direction: column; gap: 10px; }
.plan-feat {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: .89rem; font-weight: 700; line-height: 1.4;
}
.pf-check {
  width: 20px; height: 20px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .65rem; flex-shrink: 0; margin-top: 2px;
}
.price-card:not(.featured) .pf-check { background: #E5FFE9; color: var(--green); }
.price-card.featured .pf-check { background: rgba(255,255,255,.15); color: var(--green); }
.plan-cta {
  width: 100%; margin-top: 24px; padding: 14px;
  border-radius: 50px; font-family: 'Nunito'; font-weight: 900; font-size: .98rem;
  cursor: pointer; border: 2.5px solid transparent; transition: var(--transition);
}
.price-card:not(.featured) .plan-cta { background: transparent; color: var(--ink); border-color: rgba(13,2,33,.2); }
.price-card:not(.featured) .plan-cta:hover { background: var(--ink); color: #fff; }
.price-card.featured .plan-cta { background: var(--g1); color: #fff; box-shadow: 0 6px 22px rgba(255,45,85,.38); }
.price-card.featured .plan-cta:hover { box-shadow: 0 10px 30px rgba(255,45,85,.5); transform: translateY(-2px); }

/* ============================================================
   FAQ
   ============================================================ */
.faq-section { background: linear-gradient(160deg, #fff, #f5f0ff); }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; max-width: 920px; margin: 0 auto; }
.faq-item {
  border-radius: var(--radius-md); border: 2px solid rgba(13,2,33,.07);
  background: #fff; overflow: hidden;
  transition: box-shadow var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow-md); }
.faq-q {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 20px; cursor: pointer; font-weight: 800; font-size: .92rem; gap: 10px;
  user-select: none;
}
.faq-arr {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--grey); display: flex; align-items: center; justify-content: center;
  font-size: .75rem; flex-shrink: 0;
  transition: transform .3s, background .2s;
}
.faq-item.open .faq-arr { transform: rotate(180deg); background: var(--red); color: #fff; }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height .4s ease, padding .3s;
  font-size: .89rem; color: var(--muted); font-weight: 600; line-height: 1.72;
  padding: 0 20px;
}
.faq-item.open .faq-a { max-height: 200px; padding: 0 20px 18px; }

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-section {
  background: var(--ink); text-align: center; color: #fff;
  position: relative; overflow: hidden;
}
.cta-section::before {
  content: '始めよう'; font-family: 'Noto Sans JP'; font-size: 16rem; font-weight: 900;
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  color: rgba(255,255,255,.025); pointer-events: none; white-space: nowrap;
}
.cta-inner { position: relative; z-index: 1; max-width: 680px; margin: 0 auto; }
.cta-inner h2 {
  font-family: 'Dela Gothic One'; font-size: clamp(2.4rem, 5vw, 4rem);
  letter-spacing: -2px; margin-bottom: 16px; line-height: 1.05;
}
.cta-inner p { font-size: 1.08rem; color: rgba(255,255,255,.65); font-weight: 600; margin-bottom: 36px; }
.cta-email-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; max-width: 480px; margin: 0 auto 24px; }
.cta-email {
  flex: 1; min-width: 210px; padding: 14px 24px;
  border-radius: 50px; border: none;
  background: rgba(255,255,255,.1); color: #fff;
  font-family: 'Nunito'; font-weight: 700; font-size: .95rem; outline: none;
  transition: background .25s;
}
.cta-email::placeholder { color: rgba(255,255,255,.35); }
.cta-email:focus { background: rgba(255,255,255,.16); }
.cta-trust { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }
.cta-trust span { font-size: .83rem; font-weight: 700; color: rgba(255,255,255,.5); display: flex; align-items: center; gap: 5px; }





/* ============================================================
   FOOTER
   ============================================================ */
footer { background: #07011A; color: rgba(255,255,255,.6); }

.footer-promo {
  background: var(--g1); padding: 16px 0;
}
.footer-promo-inner { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.footer-promo-text { font-weight: 800; font-size: .92rem; color: #fff; }
.footer-promo-btns { display: flex; gap: 10px; }
.footer-promo-btn {
  background: rgba(255,255,255,.2); color: #fff;
  border: 1.5px solid rgba(255,255,255,.3);
  border-radius: 50px; padding: 7px 18px;
  font-family: 'Nunito'; font-weight: 800; font-size: .84rem;
  cursor: pointer; transition: background .2s;
}
.footer-promo-btn:hover { background: rgba(255,255,255,.3); }
.footer-promo-btn.solid { background: #fff; color: var(--red); border-color: #fff; }
.footer-promo-btn.solid:hover { background: rgba(255,255,255,.9); }

.footer-main { padding: 60px 0 40px; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 40px; padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.footer-brand-logo {
  font-family: 'Dela Gothic One'; font-size: 2.1rem; color: #fff; display: block; margin-bottom: 12px;
}
.footer-brand-logo sub { font-family: 'Noto Sans JP'; font-size: .85rem; opacity: .35; font-weight: 400; }
.footer-brand-desc { font-size: .88rem; line-height: 1.72; max-width: 270px; margin-bottom: 22px; }
.footer-app-btns { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 22px; }
.store-btn {
  display: flex; align-items: center; gap: 9px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-sm); padding: 9px 15px;
  transition: background .2s; color: #fff; text-decoration: none;
}
.store-btn:hover { background: rgba(255,255,255,.14); }
.store-btn-icon { font-size: 1.4rem; }
.store-btn-text { font-size: .68rem; line-height: 1.2; }
.store-btn-text strong { display: block; font-size: .85rem; font-weight: 800; }

.footer-socials { display: flex; gap: 10px; }
.soc-btn {
  width: 38px; height: 38px; border-radius: 10px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.1);
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem; transition: all .22s; text-decoration: none; color: #fff;
}
.soc-btn:hover { transform: translateY(-3px); }
.soc-tw:hover { background: #1DA1F2; } .soc-ig:hover { background: linear-gradient(135deg,#f09433,#e6683c,#dc2743,#cc2366); }
.soc-yt:hover { background: #FF0000; } .soc-dc:hover { background: #5865F2; }
.soc-tt:hover { background: #000; }

.footer-col h4 {
  font-weight: 900; color: #fff; margin-bottom: 16px;
  font-size: .82rem; text-transform: uppercase; letter-spacing: .8px;
}
.footer-col a {
  display: flex; align-items: center; gap: 6px;
  color: rgba(255,255,255,.5); font-size: .86rem; font-weight: 600;
  padding: 4px 0; transition: color .2s;
}
.footer-col a:hover { color: #fff; }
.fc-badge {
  border-radius: 50px; padding: 1px 7px;
  font-size: .67rem; font-weight: 900;
}
.fc-badge-yellow { background: rgba(255,214,10,.2); color: var(--yellow); }
.fc-badge-red    { background: rgba(255,45,85,.25); color: var(--red); }
.fc-badge-green  { background: rgba(48,209,88,.2);  color: var(--green); }

.footer-trust { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; padding: 32px 0; border-bottom: 1px solid rgba(255,255,255,.07); }
.trust-item { display: flex; align-items: center; gap: 13px; }
.trust-item-icon { width: 44px; height: 44px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0; }
.trust-item-text strong { display: block; font-weight: 800; color: #fff; font-size: .88rem; }
.trust-item-text span { font-size: .78rem; font-weight: 600; }

.footer-languages { padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,.07); display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.lang-label { font-size: .78rem; font-weight: 900; text-transform: uppercase; letter-spacing: .5px; color: rgba(255,255,255,.35); margin-right: 4px; }
.lang-btn {
  display: flex; align-items: center; gap: 5px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.08);
  border-radius: 50px; padding: 4px 12px; font-size: .78rem; font-weight: 700;
  cursor: pointer; transition: background .2s; color: rgba(255,255,255,.55);
  text-decoration: none;
}
.lang-btn:hover, .lang-btn.active { background: rgba(255,255,255,.12); color: #fff; }

.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 0; flex-wrap: wrap; gap: 12px;
}
.footer-copy { font-size: .8rem; }
.footer-legal { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-legal a { color: rgba(255,255,255,.4); font-size: .79rem; font-weight: 600; transition: color .2s; }
.footer-legal a:hover { color: #fff; }
.footer-awards { display: flex; gap: 8px; }
.award-chip {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  border-radius: 8px; padding: 5px 10px; font-size: .7rem; font-weight: 800;
  color: rgba(255,255,255,.55); display: flex; align-items: center; gap: 4px;
}

/* ============================================================
   RESPONSIVE — TABLET 1024px
   ============================================================ */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero::before { display: none; }
  .hero-visual { max-width: 420px; margin: 0 auto; }
  .bento-grid { grid-template-columns: repeat(2,1fr); }
  .bento-wide, .bento-tall { grid-column: span 1; grid-row: span 1; }
  .app-showcase-grid { grid-template-columns: 1fr; gap: 40px; }
  .vocab-grid { grid-template-columns: 1fr; gap: 40px; }
  .curriculum-grid { grid-template-columns: 1fr; gap: 40px; }
  .lessons-grid { grid-template-columns: repeat(2,1fr); }
  .community-grid { grid-template-columns: 1fr; gap: 40px; }
  .ai-features-grid { grid-template-columns: 1fr 1fr; }
  .testi-grid { grid-template-columns: 1fr 1fr; }
  .price-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .price-card.featured { transform: none; }
  .faq-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-trust { grid-template-columns: 1fr; gap: 16px; }
  .stats-grid { grid-template-columns: repeat(3,1fr); }
}

/* ============================================================
   RESPONSIVE — MOBILE 768px
   ============================================================ */
@media (max-width: 768px) {
  .topbar-inner { font-size: .75rem; gap: 4px; }
  .nav-menu, .nav-search-wrap { display: none; }
  .nav-hamburger { display: flex; }
  .nav-mobile-drawer { display: block; }
  section { padding: 64px 0; }
  h1.hero-title { font-size: clamp(2.4rem, 8vw, 3.6rem); letter-spacing: -2px; }
  .hero { padding: 56px 0 60px; min-height: auto; }
  .hero-cta-row { flex-direction: column; }
  .btn-lg { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .stat-item:nth-child(5) { grid-column: span 2; border-right: none; }
  .bento-grid { grid-template-columns: 1fr; }
  .lessons-grid { grid-template-columns: 1fr; }
  .vocab-categories-grid { grid-template-columns: repeat(2,1fr); }
  .ai-features-grid { grid-template-columns: 1fr; }
  .testi-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-awards { justify-content: center; }
  .footer-legal { justify-content: center; }
  .footer-promo-inner { flex-direction: column; text-align: center; }
  .cta-email-row { flex-direction: column; }
  .cta-email { width: 100%; }
  .btn.btn-lg { font-size: .95rem; padding: 14px 24px; }
  .hero-trust { flex-direction: column; align-items: flex-start; gap: 10px; }
  .vocab-stats { grid-template-columns: 1fr 1fr; }
  .community-grid { gap: 28px; }
  .mobile-cta-row { flex-direction: column; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .vocab-categories-grid { grid-template-columns: repeat(2,1fr); }
  .sec-title { font-size: 1.9rem; }
  .hero-pill { font-size: .72rem; }
  .topbar { display: none; }
}










@media (max-width: 768px) {
  .d-none-mobile {
    display: none !important;
  }
}

.header-logo{
    max-width: 120px;   
  align-items: center;
  justify-content: center; 
  font-size: 20px; 
}