/* ============================================================
   けんのぼうけん · ザ · トレジャーハント — style.css
   Palette:  cream · forest-green · amber · near-black
   Fonts:    Noto Serif JP (heads) · Noto Sans JP (body)
             Fraunces (EN decorative) · DM Sans (EN body)
   ============================================================ */

/* ── Reset & base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:           #FDFAF5;
  --bg-alt:       #F2EDE3;
  --bg-dark:      #1C2B24;
  --bg-darker:    #141E18;
  --green:        #2A6B5A;
  --green-light:  #3D8A73;
  --green-pale:   #D6EDE7;
  --amber:        #D4844A;
  --amber-light:  #F5C58A;
  --amber-pale:   #FDF0DC;
  --tth-red:      #C0392B;
  --tth-sky:      #2980B9;
  --text:         #1A1A1A;
  --text-mid:     #4A4A4A;
  --text-muted:   #7A7A7A;
  --border:       #E4DDD2;
  --white:        #FFFFFF;

  --font-jp:      'Noto Sans JP', 'Hiragino Sans', system-ui, sans-serif;
  --font-jp-head: 'Noto Serif JP', 'Hiragino Mincho ProN', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --font-head:    'Fraunces', Georgia, serif;

  --max-w:        1100px;
  --section-pad:  96px 24px;
  --radius:       20px;
  --radius-sm:    10px;
  --shadow:       0 4px 24px rgba(26,26,26,0.08);
  --shadow-lg:    0 16px 56px rgba(26,26,26,0.13);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-jp);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-jp-head);
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: 0;
}

.serif-em { font-style: italic; font-family: var(--font-head); }
.en { font-family: var(--font-body); }

/* ── Layout ─────────────────────────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  font-family: var(--font-jp);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }

.btn--amber {
  background: var(--amber);
  color: var(--white);
  box-shadow: 0 4px 18px rgba(212,132,74,0.38);
}
.btn--amber:hover { background: #c07340; box-shadow: 0 8px 28px rgba(212,132,74,0.48); }

.btn--green {
  background: var(--green);
  color: var(--white);
  box-shadow: 0 4px 18px rgba(42,107,90,0.32);
}
.btn--green:hover { background: var(--green-light); box-shadow: 0 8px 28px rgba(42,107,90,0.42); }

.btn--ghost {
  background: transparent;
  color: var(--green);
  border: 1.5px solid var(--green);
}
.btn--ghost:hover { background: var(--green-pale); }

.btn--ghost-light {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.45);
}
.btn--ghost-light:hover { background: rgba(255,255,255,0.1); }

.btn--lg { padding: 18px 40px; font-size: 1.05rem; }
.btn--sm { padding: 10px 22px; font-size: 0.875rem; }

/* ── Section helpers ─────────────────────────────────────────── */
.section-eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--amber);
  margin-bottom: 14px;
  font-family: var(--font-body);
}

.section-h2 {
  font-size: clamp(1.85rem, 3.2vw, 2.6rem);
  margin-bottom: 18px;
  color: var(--text);
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-mid);
  line-height: 1.85;
  max-width: 600px;
}

/* ── Fade in ─────────────────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s cubic-bezier(0.22,1,0.36,1), transform 0.6s cubic-bezier(0.22,1,0.36,1);
}
.fade-up.visible { opacity: 1; transform: none; }
.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; }

/* ════════════════════════════════════════════════════════════
   NAV
════════════════════════════════════════════════════════════ */
.nav {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(253,250,245,0.93);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  transition: box-shadow 0.2s;
}
.nav.scrolled { box-shadow: 0 2px 16px rgba(26,26,26,0.07); }

.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 66px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-jp-head);
  font-size: 1rem;
  color: var(--text);
  font-weight: 400;
  letter-spacing: 0.02em;
}

.nav__logo-badge {
  width: 34px;
  height: 34px;
  background: var(--green);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--white);
  font-family: var(--font-head);
  font-style: italic;
  flex-shrink: 0;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav__link {
  font-size: 0.875rem;
  color: var(--text-mid);
  transition: color 0.15s;
  font-weight: 400;
}
.nav__link:hover { color: var(--green); }

.nav__right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.22s;
}
.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 66px 0 0;
  background: var(--bg);
  z-index: 199;
  flex-direction: column;
  padding: 28px 24px;
  gap: 4px;
  border-top: 1px solid var(--border);
  overflow-y: auto;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-size: 1.05rem;
  color: var(--text);
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.mobile-nav .btn { margin-top: 16px; justify-content: center; }

/* ════════════════════════════════════════════════════════════
   HERO
════════════════════════════════════════════════════════════ */
.hero {
  padding: 88px 24px 80px;
  background: var(--bg);
  overflow: hidden;
  position: relative;
}

.hero__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero__eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--amber-pale);
  border: 1px solid var(--amber-light);
  color: var(--amber);
  border-radius: 100px;
  padding: 7px 16px;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 30px;
  letter-spacing: 0.04em;
  font-family: var(--font-body);
}

.hero__eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
  animation: pulse 2.2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.75); }
}

.hero__h1 {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 1.5;
  margin-bottom: 8px;
  color: var(--text-mid);
  font-weight: 300;
}

.hero__h1-big {
  display: block;
  font-size: clamp(2.1rem, 4vw, 3.1rem);
  color: var(--text);
  font-weight: 700;
  margin-top: 8px;
  line-height: 1.25;
}

.hero__h1-big .highlight {
  color: var(--green);
  background: var(--green-pale);
  border-radius: 6px;
  padding: 2px 6px;
  font-style: normal;
}

.hero__sub {
  font-size: 1.05rem;
  color: var(--text-mid);
  line-height: 1.9;
  max-width: 500px;
  margin: 24px 0 38px;
}

.hero__sub strong { color: var(--green); font-weight: 600; }

.hero__ctas {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.hero__note {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 16px;
}

/* ── Word search visual ──────────────────────────────────────── */
.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.ws-sheet {
  background: #FFFEF9;
  border-radius: 16px;
  box-shadow: var(--shadow-lg), 0 2px 6px rgba(26,26,26,0.06);
  overflow: hidden;
  width: 100%;
  max-width: 360px;
  border: 1px solid #EDE8DF;
  position: relative;
}

.ws-sheet__header {
  background: var(--green);
  padding: 14px 20px;
  color: var(--white);
}

.ws-sheet__title {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.7;
  margin-bottom: 3px;
  font-family: var(--font-body);
}

.ws-sheet__island {
  font-size: 0.9rem;
  font-weight: 600;
}

.ws-sheet__body { padding: 16px 20px; }

.ws-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 2px;
  margin-bottom: 14px;
}

.ws-cell {
  width: 100%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-mid);
  border-radius: 4px;
  font-family: var(--font-body);
  letter-spacing: 0;
  transition: background 0.2s;
}

.ws-cell.f-salad {
  background: rgba(212,132,74,0.18);
  color: var(--amber);
  border-radius: 0;
  position: relative;
}
.ws-cell.f-salad:first-of-type  { border-radius: 50% 0 0 50%; }
.ws-cell.f-salad:last-of-type   { border-radius: 0 50% 50% 0; }

.ws-cell.f-rice {
  background: rgba(42,107,90,0.15);
  color: var(--green);
  border-radius: 0;
}
.ws-cell.f-rice-first { border-radius: 50% 0 0 50%; }
.ws-cell.f-rice-last  { border-radius: 0 50% 50% 0; }

.ws-cell.f-fish {
  background: rgba(192,57,43,0.15);
  color: var(--tth-red);
  border-radius: 0;
}
.ws-cell.f-fish-first { border-radius: 50% 0 0 50%; }
.ws-cell.f-fish-last  { border-radius: 0 50% 50% 0; }

.ws-words {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 14px;
}

.ws-word {
  font-size: 0.6rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 100px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-body);
  letter-spacing: 0.04em;
}
.ws-word.found { text-decoration: line-through; color: var(--text-muted); opacity: 0.6; }
.ws-word.active { border-color: var(--amber); color: var(--amber); background: var(--amber-pale); }

.ws-passphrase {
  border-top: 1px dashed var(--border);
  padding-top: 12px;
}

.ws-passphrase__label {
  font-size: 0.58rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 7px;
  font-family: var(--font-body);
}

.ws-passphrase__boxes {
  display: flex;
  gap: 5px;
}

.ws-box {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-body);
  color: var(--text);
}
.ws-box.filled { background: var(--green-pale); border-color: var(--green); color: var(--green); }

/* Floating cards */
.hero__float {
  position: absolute;
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 8px 28px rgba(26,26,26,0.12);
  padding: 10px 16px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  border: 1px solid var(--border);
  animation: float 4s ease-in-out infinite;
}
.hero__float--1 { top: -18px; right: -10px; animation-delay: 0s; }
.hero__float--2 { bottom: 28px; left: -22px; animation-delay: 1.8s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}

.hero__float-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot--green { background: var(--green); }
.dot--amber { background: var(--amber); }

/* ════════════════════════════════════════════════════════════
   NOBEMBAH — 感情フック
════════════════════════════════════════════════════════════ */
.nobembah {
  padding: var(--section-pad);
  background: var(--bg-alt);
}

.nobembah__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 72px;
  align-items: start;
}

.nobembah__left {
  position: sticky;
  top: 100px;
}

.nobembah__quote {
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  line-height: 1.45;
  color: var(--text);
  margin-bottom: 24px;
}

.nobembah__quote em {
  font-style: normal;
  color: var(--green);
  font-weight: 700;
}

.nobembah__subq {
  font-size: 1.05rem;
  color: var(--green);
  font-weight: 600;
  border-left: 3px solid var(--green);
  padding-left: 16px;
  line-height: 1.6;
}

.nobembah__body {
  font-size: 1rem;
  color: var(--text-mid);
  line-height: 2;
}

.nobembah__body p { margin-bottom: 20px; }
.nobembah__body p:last-child { margin-bottom: 0; }
.nobembah__body strong { color: var(--text); font-weight: 600; }

/* ════════════════════════════════════════════════════════════
   ADVENTURE CORE — dark section
════════════════════════════════════════════════════════════ */
.adventure {
  padding: var(--section-pad);
  background: var(--bg-dark);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.adventure::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(42,107,90,0.25) 0%, transparent 65%),
              radial-gradient(ellipse at 20% 80%, rgba(212,132,74,0.1) 0%, transparent 55%);
  pointer-events: none;
}

.adventure__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.adventure__header {
  max-width: 680px;
  margin-bottom: 64px;
}

.adventure__eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--amber-light);
  margin-bottom: 14px;
  font-family: var(--font-body);
}

.adventure__h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  color: var(--white);
  line-height: 1.3;
}

.adventure__h2 em {
  font-style: normal;
  color: var(--amber-light);
}

.adventure__narrative {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 36px 40px;
  margin-bottom: 40px;
  backdrop-filter: blur(4px);
}

.adventure__story-opener {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.55);
  font-style: italic;
  margin-bottom: 24px;
  border-left: 3px solid var(--amber);
  padding-left: 20px;
}

.adventure__narrative p {
  font-size: 1rem;
  color: rgba(255,255,255,0.75);
  line-height: 2;
  margin-bottom: 18px;
}
.adventure__narrative p:last-child { margin-bottom: 0; }
.adventure__narrative strong { color: var(--white); font-weight: 600; }

.adventure__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--amber-light);
  font-size: 0.95rem;
  font-weight: 500;
  transition: gap 0.2s;
}
.adventure__link:hover { gap: 12px; }

/* ════════════════════════════════════════════════════════════
   HOW IT WORKS — 4 steps
════════════════════════════════════════════════════════════ */
.hiw {
  padding: var(--section-pad);
  background: var(--bg);
}

.hiw__inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.hiw__header {
  max-width: 600px;
  margin: 0 auto 64px;
  text-align: center;
}

.hiw__steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.hiw__steps::before {
  content: '';
  position: absolute;
  left: 34px;
  top: 40px;
  bottom: 40px;
  width: 2px;
  background: linear-gradient(to bottom, var(--green) 0%, var(--amber) 100%);
  opacity: 0.25;
}

.hiw__step {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
  position: relative;
  transition: background 0.2s;
}
.hiw__step:last-child { border-bottom: none; }

.hiw__step-num {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--green-pale);
  border: 2px solid var(--green);
  color: var(--green);
  font-size: 1.4rem;
  font-weight: 700;
  font-family: var(--font-head);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  z-index: 1;
  background: var(--bg);
  transition: background 0.2s, transform 0.2s;
}
.hiw__step:hover .hiw__step-num {
  background: var(--green);
  color: var(--white);
  transform: scale(1.05);
}

.hiw__step-content { padding-top: 8px; }

.hiw__step-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}

.hiw__step-body {
  font-size: 0.975rem;
  color: var(--text-mid);
  line-height: 1.9;
}
.hiw__step-body strong { color: var(--text); font-weight: 600; }

.hiw__step-note {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
  background: var(--bg-alt);
  padding: 6px 12px;
  border-radius: 100px;
}

.hiw__haiku {
  background: var(--amber-pale);
  border-left: 3px solid var(--amber);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 14px 20px;
  margin: 14px 0;
  font-style: italic;
  font-size: 0.95rem;
  color: var(--text-mid);
  line-height: 1.8;
}

/* ════════════════════════════════════════════════════════════
   48 WINS
════════════════════════════════════════════════════════════ */
.wins {
  padding: var(--section-pad);
  background: var(--bg-alt);
}

.wins__inner {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.wins__number {
  font-family: var(--font-head);
  font-size: clamp(7rem, 14vw, 11rem);
  font-weight: 400;
  color: var(--green);
  line-height: 1;
  margin-bottom: 4px;
  opacity: 0.15;
  position: relative;
  display: inline-block;
  transition: opacity 0.6s;
}
.wins__number.visible { opacity: 1; }

.wins__label {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: var(--text);
  margin-bottom: 28px;
  margin-top: -12px;
}

.wins__body {
  font-size: 1rem;
  color: var(--text-mid);
  line-height: 2;
  margin-bottom: 24px;
}
.wins__body strong { color: var(--text); font-weight: 600; }

.wins__tick-row {
  display: flex;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.wins__tick {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: var(--green-pale);
  border: 1px solid rgba(42,107,90,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  color: var(--green);
  transition: all 0.1s;
}
.wins__tick.lit { background: var(--green); color: var(--white); border-color: var(--green); }

/* ════════════════════════════════════════════════════════════
   PACK CONTENTS
════════════════════════════════════════════════════════════ */
.pack {
  padding: var(--section-pad);
  background: var(--bg);
}

.pack__inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.pack__header {
  max-width: 580px;
  margin-bottom: 52px;
}

.pack__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.pack__card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  align-items: flex-start;
  gap: 22px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.pack__card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }

.pack__icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--amber-pale);
  border: 1px solid var(--amber-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.pack__card-title {
  font-family: var(--font-jp);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.pack__card-body {
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.85;
}
.pack__card-body strong { color: var(--text); font-weight: 600; }

/* Welcome items (at enrollment) */
.pack__welcome-header {
  margin: 48px 0 28px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.pack__welcome-divider {
  flex: 1;
  height: 1px;
  background: var(--border);
}

.pack__welcome-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  white-space: nowrap;
  font-family: var(--font-body);
}

.pack__welcome-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.pack__welcome-card {
  background: var(--bg-alt);
  border-radius: var(--radius-sm);
  padding: 22px 20px;
  text-align: center;
  border: 1px solid var(--border);
}

.pack__welcome-icon { font-size: 1.8rem; margin-bottom: 10px; }

.pack__welcome-title {
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}

.pack__welcome-body {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ════════════════════════════════════════════════════════════
   TRIBES
════════════════════════════════════════════════════════════ */
.tribes {
  padding: var(--section-pad);
  background: var(--bg-dark);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.tribes::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(212,132,74,0.12) 0%, transparent 60%);
  pointer-events: none;
}

.tribes__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.tribes__header {
  max-width: 600px;
  margin: 0 auto 60px;
  text-align: center;
}

.tribes__header .section-h2 { color: var(--white); }
.tribes__header .section-sub { color: rgba(255,255,255,0.6); }

.tribes__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.tribe-card {
  border-radius: var(--radius);
  padding: 32px 20px;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.1);
  cursor: pointer;
  transition: transform 0.22s, box-shadow 0.22s, border-color 0.22s;
  position: relative;
  overflow: hidden;
}
.tribe-card:hover { transform: translateY(-6px); box-shadow: 0 20px 48px rgba(0,0,0,0.3); }

.tribe-card--dolphin { background: rgba(41,128,185,0.15); }
.tribe-card--moon    { background: rgba(127,140,141,0.15); }
.tribe-card--fire    { background: rgba(192,57,43,0.18); }
.tribe-card--forest  { background: rgba(42,107,90,0.2); }

.tribe-card:hover.tribe-card--dolphin { border-color: rgba(41,128,185,0.5); }
.tribe-card:hover.tribe-card--moon    { border-color: rgba(189,195,199,0.5); }
.tribe-card:hover.tribe-card--fire    { border-color: rgba(192,57,43,0.5); }
.tribe-card:hover.tribe-card--forest  { border-color: rgba(42,107,90,0.5); }

.tribe-card__emoji {
  font-size: 2.5rem;
  margin-bottom: 14px;
  display: block;
}

.tribe-card__name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
}

.tribe-card__en {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.35);
  font-family: var(--font-body);
}

.tribes__live {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 24px 32px;
  text-align: center;
}

.tribes__live p {
  font-size: 1rem;
  color: rgba(255,255,255,0.6);
  font-style: italic;
}

.tribes__live strong { color: var(--amber-light); font-style: normal; }

.tribes__note {
  text-align: center;
  margin-top: 28px;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.85;
}

/* ════════════════════════════════════════════════════════════
   PLATFORM (ccef3)
════════════════════════════════════════════════════════════ */
.platform {
  padding: var(--section-pad);
  background: var(--bg-alt);
}

.platform__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.platform__features {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.platform__feature {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 20px;
  background: var(--white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.platform__feature-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--green-pale);
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}

.platform__feature-text strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 3px;
}

.platform__feature-text p {
  font-size: 0.85rem;
  color: var(--text-mid);
  line-height: 1.7;
}

/* ════════════════════════════════════════════════════════════
   PRICING
════════════════════════════════════════════════════════════ */
.pricing {
  padding: var(--section-pad);
  background: var(--bg);
}

.pricing__inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.pricing__header { margin-bottom: 48px; }

.pricing__card {
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 40px;
  box-shadow: var(--shadow-lg);
  text-align: left;
}

.pricing__price-wrap {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 4px;
}

.pricing__yen {
  font-family: var(--font-head);
  font-size: 1.4rem;
  color: var(--text-muted);
}

.pricing__amount {
  font-family: var(--font-head);
  font-size: 4.5rem;
  font-weight: 400;
  color: var(--green);
  line-height: 1;
}

.pricing__period {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.pricing__divider {
  height: 1px;
  background: var(--border);
  margin: 28px 0;
}

.pricing__features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 36px;
}

.pricing__feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text-mid);
  line-height: 1.5;
}

.pricing__check {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--green-pale);
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  margin-top: 1px;
}

.pricing__cta-row {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.pricing__terms {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-top: 8px;
}

.pricing__sibling {
  background: var(--bg-alt);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin-top: 24px;
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.7;
}
.pricing__sibling strong { color: var(--text); font-weight: 700; }

.pricing__compare {
  margin-top: 48px;
  background: var(--amber-pale);
  border: 1px solid var(--amber-light);
  border-radius: var(--radius);
  padding: 32px 36px;
  text-align: left;
}

.pricing__compare-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text);
}

.pricing__compare p {
  font-size: 0.95rem;
  color: var(--text-mid);
  line-height: 1.9;
}
.pricing__compare strong { color: var(--text); font-weight: 600; }

/* ════════════════════════════════════════════════════════════
   FOUNDER
════════════════════════════════════════════════════════════ */
.founder {
  padding: var(--section-pad);
  background: var(--bg-alt);
}

.founder__inner {
  max-width: 760px;
  margin: 0 auto;
}

.founder__card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 48px 52px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: relative;
}

.founder__card::before {
  content: '\201C';
  font-family: var(--font-head);
  font-size: 8rem;
  color: var(--green-pale);
  position: absolute;
  top: -8px;
  left: 36px;
  line-height: 1;
  pointer-events: none;
}

.founder__quote {
  font-size: 1.25rem;
  color: var(--text);
  line-height: 1.85;
  margin-bottom: 28px;
  font-weight: 400;
  position: relative;
  z-index: 1;
}

.founder__body {
  font-size: 0.975rem;
  color: var(--text-mid);
  line-height: 2;
  margin-bottom: 24px;
}
.founder__body strong { color: var(--text); font-weight: 600; }

.founder__sig {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.founder__avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--green-pale);
  border: 2px solid var(--green);
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.founder__sig-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
}
.founder__sig-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.founder__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--green);
  font-size: 0.9rem;
  font-weight: 500;
  margin-top: 24px;
  transition: gap 0.2s;
}
.founder__link:hover { gap: 10px; }

/* ════════════════════════════════════════════════════════════
   FAQ
════════════════════════════════════════════════════════════ */
.faq {
  padding: var(--section-pad);
  background: var(--bg);
}

.faq__inner {
  max-width: 720px;
  margin: 0 auto;
}

.faq__header { text-align: center; margin-bottom: 48px; }

.faq__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq__item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.faq__q {
  width: 100%;
  background: none;
  border: none;
  padding: 22px 26px;
  text-align: left;
  font-family: var(--font-jp);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: background 0.15s;
  line-height: 1.5;
}
.faq__q:hover { background: var(--bg-alt); }

.faq__q-icon {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--green-pale);
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: transform 0.25s, background 0.25s;
  line-height: 1;
}
.faq__item.open .faq__q-icon { transform: rotate(45deg); background: var(--green); color: var(--white); }

.faq__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq__a-inner {
  padding: 0 26px 22px;
  font-size: 0.93rem;
  color: var(--text-mid);
  line-height: 1.9;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}
.faq__a-inner strong { color: var(--text); font-weight: 600; }

.faq__item.open .faq__a { max-height: 500px; }

/* ════════════════════════════════════════════════════════════
   FINAL CTA
════════════════════════════════════════════════════════════ */
.cta-final {
  padding: 112px 24px;
  background: var(--bg-dark);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-final::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 100%, rgba(212,132,74,0.15) 0%, transparent 60%);
  pointer-events: none;
}

.cta-final__inner {
  max-width: 640px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-final__h2 {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  color: var(--white);
  margin-bottom: 24px;
  line-height: 1.35;
}

.cta-final__h2 em {
  font-style: normal;
  color: var(--amber-light);
}

.cta-final__sub {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.9;
  margin-bottom: 44px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

.cta-final__note {
  margin-top: 20px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.38);
  line-height: 1.7;
}

/* ════════════════════════════════════════════════════════════
   FOOTER
════════════════════════════════════════════════════════════ */
.footer {
  background: var(--bg-darker);
  color: rgba(255,255,255,0.5);
  padding: 56px 24px 32px;
}

.footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer__brand-name {
  font-family: var(--font-jp-head);
  font-size: 1.05rem;
  color: var(--white);
  margin-bottom: 10px;
  font-weight: 400;
}

.footer__brand-desc {
  font-size: 0.83rem;
  line-height: 1.75;
  max-width: 240px;
}

.footer__col h4 {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.65);
  margin-bottom: 18px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.42);
  transition: color 0.15s;
}
.footer__links a:hover { color: var(--white); }

.footer__bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.07);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  flex-wrap: wrap;
  gap: 12px;
}

.footer__claude {
  max-width: var(--max-w);
  margin: 20px auto 0;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,0.04);
  font-size: 0.68rem;
  color: rgba(255,255,255,0.18);
  line-height: 1.65;
  text-align: center;
}
.footer__claude a { color: rgba(255,255,255,0.3); text-decoration: underline; text-underline-offset: 2px; }
.footer__claude a:hover { color: rgba(255,255,255,0.6); }

/* ════════════════════════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════════════════════════ */
@media (max-width: 960px) {
  .hero__inner          { grid-template-columns: 1fr; gap: 48px; }
  .hero__visual         { display: none; }
  .nobembah__inner      { grid-template-columns: 1fr; gap: 40px; }
  .nobembah__left       { position: static; }
  .platform__inner      { grid-template-columns: 1fr; gap: 40px; }
  .tribes__grid         { grid-template-columns: repeat(2, 1fr); }
  .pack__grid           { grid-template-columns: 1fr; }
  .pack__welcome-grid   { grid-template-columns: 1fr 1fr; }
  .footer__inner        { grid-template-columns: 1fr 1fr; }
  .nav__links           { display: none; }
  .nav__hamburger       { display: flex; }
  .hiw__steps::before   { left: 28px; }
}

@media (max-width: 640px) {
  :root { --section-pad: 64px 20px; }
  .hero { padding: 64px 20px 52px; }
  .hero__ctas { flex-direction: column; align-items: stretch; }
  .hero__ctas .btn { justify-content: center; }
  .tribes__grid         { grid-template-columns: 1fr 1fr; }
  .pack__welcome-grid   { grid-template-columns: 1fr; }
  .footer__inner        { grid-template-columns: 1fr; }
  .founder__card        { padding: 36px 28px; }
  .founder__card::before { font-size: 5rem; left: 20px; }
  .pricing__card        { padding: 32px 24px; }
  .hiw__step            { grid-template-columns: 52px 1fr; gap: 16px; }
  .hiw__step-num        { width: 48px; height: 48px; font-size: 1.1rem; }
  .hiw__steps::before   { left: 23px; }
}