/* ================================================================
   Sections: Pain, Features, Reasons, Industries, FAQ, CTA, Footer
   ================================================================ */

/* ---- PAIN (お悩み) ---- */
.pain {
  background: var(--surface-tint);
  position: relative;
}
.pain-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  position: relative;
  z-index: 1;
}
@media (max-width: 900px) { .pain-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .pain-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; } }

.pain-card {
  background: var(--surface);
  border-radius: var(--r-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: var(--sh-inset);
  position: relative;
  transition: transform 0.3s var(--ease);
}
.pain-card:hover { transform: translateY(-3px); box-shadow: var(--sh-inset), var(--sh-md); }

.pain-icon {
  width: 48px; height: 48px;
  border-radius: 14px;
  background: var(--accent-50);
  display: grid; place-items: center;
  color: var(--accent-600);
}
.pain-card.c2 .pain-icon { background: var(--sky-soft); color: var(--sky); }
.pain-card.c3 .pain-icon { background: var(--mint-soft); color: #2c9d7a; }
.pain-card.c4 .pain-icon { background: var(--butter-soft); color: #c08800; }
.pain-card.c5 .pain-icon { background: var(--pink-soft); color: #d94d6b; }
.pain-card.c6 .pain-icon { background: var(--navy-100); color: var(--navy-700); }

.pain-text {
  font-weight: 600;
  color: var(--ink);
  line-height: 1.7;
  font-size: 15px;
}
.pain-text strong {
  color: var(--accent-600);
  font-weight: 800;
  background: linear-gradient(180deg, transparent 65%, var(--accent-100) 65%);
  padding: 0 2px;
}

/* Divider icon */
.pain-divider {
  display: flex;
  justify-content: center;
  margin: 72px auto 0;
  position: relative;
}
a.pain-divider-inner { text-decoration: none; transition: transform 0.15s var(--ease); }
a.pain-divider-inner:hover { transform: translateY(-2px); }
.pain-divider-inner {
  background: var(--accent);
  color: white;
  padding: 18px 36px;
  border-radius: var(--r-pill);
  font-family: var(--font-rounded);
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 10px 30px -8px rgba(255,138,91,0.6);
  display: inline-flex; align-items: center; gap: 10px;
  cursor: pointer;
}
.pain-divider-inner::after { content: "→"; }
@media (max-width: 600px) {
  .pain-divider-inner { font-size: 15px; padding: 14px 24px; }
}

/* ---- FEATURES ---- */
.features {
  background: var(--bg);
}
.feat-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}
.feat-card {
  grid-column: span 4;
  background: var(--surface);
  border-radius: var(--r-lg);
  padding: 32px;
  box-shadow: var(--sh-inset);
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.feat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--sh-inset), var(--sh-lg);
}
.feat-card.hero-feat { grid-column: span 6; }
.feat-card.wide { grid-column: span 6; }
@media (max-width: 960px) {
  .feat-card, .feat-card.hero-feat, .feat-card.wide { grid-column: span 6; }
}
@media (max-width: 620px) {
  .feat-card, .feat-card.hero-feat, .feat-card.wide { grid-column: span 12; }
}

.feat-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.feat-tag-num {
  display: inline-grid; place-items: center;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--accent);
  color: white;
  font-size: 11px;
}
.feat-icon {
  width: 64px; height: 64px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--accent), var(--accent-400));
  display: grid; place-items: center;
  color: white;
  box-shadow: 0 10px 24px -8px rgba(255,138,91,0.5);
}
.feat-card.alt .feat-icon { background: linear-gradient(135deg, var(--navy-800), var(--navy-600)); box-shadow: 0 10px 24px -8px rgba(17,28,68,0.4); }
.feat-card.alt-mint .feat-icon { background: linear-gradient(135deg, var(--mint), #4cc29c); box-shadow: 0 10px 24px -8px rgba(111,215,183,0.55); }
.feat-card.alt-sky .feat-icon { background: linear-gradient(135deg, var(--sky), #5a9be3); box-shadow: 0 10px 24px -8px rgba(124,184,255,0.55); }
.feat-card.alt-pink .feat-icon { background: linear-gradient(135deg, var(--pink), #e67a95); box-shadow: 0 10px 24px -8px rgba(255,159,181,0.6); }
.feat-card.alt-butter .feat-icon { background: linear-gradient(135deg, var(--butter), #f0b040); box-shadow: 0 10px 24px -8px rgba(255,207,107,0.55); }

.feat-title {
  font-family: var(--font-rounded);
  font-weight: 800;
  font-size: 20px;
  color: var(--ink);
  margin: 0;
}
.feat-desc {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin: 0;
}
.feat-desc strong {
  color: var(--ink);
  font-weight: 700;
  background: linear-gradient(180deg, transparent 65%, var(--accent-100) 65%);
  padding: 0 2px;
}

/* Mini visuals inside feature cards */
.feat-vis {
  margin-top: auto;
  padding-top: 8px;
}
.mini-cal {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 3px;
  padding: 12px;
  background: var(--surface-tint);
  border-radius: var(--r-md);
}
.mini-cal-cell {
  aspect-ratio: 1;
  border-radius: 5px;
  background: var(--navy-100);
}
.mini-cal-cell.a { background: var(--accent); }
.mini-cal-cell.b { background: var(--sky); }
.mini-cal-cell.c { background: var(--navy-700); }
.mini-cal-cell.d { background: var(--mint); }

.mini-row {
  display: flex; gap: 6px; flex-wrap: wrap;
  padding: 14px; background: var(--surface-tint);
  border-radius: var(--r-md);
}
.mini-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; background: var(--surface);
  border-radius: var(--r-pill);
  font-size: 12px; font-weight: 700; color: var(--ink);
  box-shadow: var(--sh-sm);
}
.mini-chip .dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
}
.mini-chip.b .dot { background: var(--sky); }
.mini-chip.c .dot { background: var(--mint); }
.mini-chip.d .dot { background: var(--pink); }

/* ---- REASONS (選ばれる3つの理由) ---- */
.reasons {
  background: linear-gradient(180deg, var(--navy-50) 0%, var(--bg) 100%);
  position: relative;
  overflow: hidden;
}
[data-theme="dark"] .reasons {
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
}
.reasons-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}
@media (max-width: 900px) { .reasons-grid { grid-template-columns: 1fr; } }

.reason-card {
  background: var(--surface);
  border-radius: var(--r-xl);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  box-shadow: var(--sh-md);
  position: relative;
  overflow: hidden;
}
.reason-card::before {
  content: "";
  position: absolute;
  top: -80px; right: -80px;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: var(--accent-50);
  z-index: 0;
}
.reason-card.r2::before { background: var(--sky-soft); }
.reason-card.r3::before { background: var(--mint-soft); }

.reason-num {
  font-family: var(--font-rounded);
  font-weight: 800;
  font-size: 14px;
  color: var(--accent-600);
  letter-spacing: 0.08em;
  position: relative; z-index: 1;
}
.reason-card.r2 .reason-num { color: var(--sky); }
.reason-card.r3 .reason-num { color: #2c9d7a; }

.reason-illu {
  width: 96px; height: 96px;
  border-radius: 28px;
  background: white;
  box-shadow: 0 10px 30px -10px rgba(17,28,68,0.3);
  display: grid; place-items: center;
  position: relative; z-index: 1;
  color: var(--accent-600);
}
.reason-card.r2 .reason-illu { color: var(--sky); }
.reason-card.r3 .reason-illu { color: #2c9d7a; }

.reason-title {
  font-family: var(--font-rounded);
  font-weight: 800;
  font-size: 22px;
  line-height: 1.4;
  color: var(--ink);
  margin: 0;
  position: relative; z-index: 1;
}
.reason-desc {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
  margin: 0;
  position: relative; z-index: 1;
}
.reason-desc strong {
  color: var(--ink);
  font-weight: 700;
  background: linear-gradient(180deg, transparent 65%, var(--accent-100) 65%);
  padding: 0 2px;
}

/* ---- INDUSTRIES ---- */
.industries {
  background: var(--bg);
}
.industries-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
@media (max-width: 900px) { .industries-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 520px) { .industries-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; } }

.industry-card {
  background: var(--surface);
  border-radius: var(--r-lg);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--sh-inset);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.industry-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sh-inset), var(--sh-md);
}
.industry-ic {
  width: 64px; height: 64px;
  border-radius: 20px;
  display: grid; place-items: center;
  background: var(--accent-50);
  color: var(--accent-600);
}
.industry-card.c2 .industry-ic { background: var(--sky-soft); color: var(--sky); }
.industry-card.c3 .industry-ic { background: var(--pink-soft); color: #d94d6b; }
.industry-card.c4 .industry-ic { background: var(--mint-soft); color: #2c9d7a; }
.industry-card.c5 .industry-ic { background: var(--butter-soft); color: #c08800; }
.industry-card.c6 .industry-ic { background: var(--navy-100); color: var(--navy-700); }

.industry-name {
  font-family: var(--font-rounded);
  font-weight: 800;
  font-size: 15px;
  color: var(--ink);
  line-height: 1.4;
}
@media (max-width: 520px) {
  .industry-card { padding: 20px 12px; gap: 10px; }
  .industry-ic { width: 48px; height: 48px; border-radius: 14px; }
  .industry-name { font-size: 13px; }
  .pain-card { padding: 18px 14px; gap: 10px; }
  .pain-icon { width: 40px; height: 40px; border-radius: 12px; }
  .pain-text { font-size: 13px; }
}

/* ---- FAQ ---- */
.faq {
  background: var(--surface-tint);
}
.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--surface);
  border-radius: var(--r-md);
  box-shadow: var(--sh-inset);
  overflow: hidden;
  transition: box-shadow 0.2s var(--ease);
}
.faq-item.open { box-shadow: var(--sh-inset), var(--sh-md); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 26px;
  text-align: left;
  font-family: var(--font-rounded);
  font-weight: 700;
  font-size: 16.5px;
  color: var(--ink);
  line-height: 1.5;
}
.faq-q-mark {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--accent-50);
  color: var(--accent-600);
  display: grid; place-items: center;
  font-family: var(--font-rounded); font-weight: 800;
  font-size: 14px; flex-shrink: 0;
}
.faq-q-text { flex: 1; }
.faq-toggle {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--surface-tint);
  display: grid; place-items: center;
  flex-shrink: 0;
  transition: transform 0.25s var(--ease), background 0.2s;
  color: var(--ink-soft);
}
.faq-item.open .faq-toggle {
  transform: rotate(180deg);
  background: var(--accent);
  color: white;
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--ease);
}
.faq-item.open .faq-a { max-height: 400px; }
.faq-a-inner {
  padding: 0 26px 24px 72px;
  color: var(--ink-soft);
  line-height: 1.85;
  font-size: 14.5px;
}
@media (max-width: 620px) {
  .faq-q { padding: 18px 20px; font-size: 15px; }
  .faq-a-inner { padding: 0 20px 20px 20px; }
}

/* ---- CTA ---- */
.cta {
  position: relative;
  overflow: hidden;
  padding: 120px 0;
}
.cta-card {
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 60%, #3a2a6e 100%);
  border-radius: var(--r-xl);
  padding: 72px 48px;
  color: white;
  position: relative;
  overflow: hidden;
  box-shadow: 0 30px 80px -20px rgba(17,28,68,0.5);
}
.cta-card::before {
  content: "";
  position: absolute;
  top: -40%; right: -10%;
  width: 480px; height: 480px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,138,91,0.5), transparent 60%);
  filter: blur(10px);
}
.cta-card::after {
  content: "";
  position: absolute;
  bottom: -50%; left: -10%;
  width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle, rgba(124,184,255,0.3), transparent 60%);
  filter: blur(10px);
}
.cta-inner {
  position: relative; z-index: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  max-width: 720px;
  margin: 0 auto;
}
.cta-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 18px;
  background: rgba(255,255,255,0.14);
  border-radius: var(--r-pill);
  font-weight: 700;
  font-size: 14px;
  border: 1px solid rgba(255,255,255,0.22);
}
.cta-card h2 {
  font-family: var(--font-rounded);
  font-weight: 800;
  font-size: clamp(32px, 4.2vw, 52px);
  line-height: 1.3;
  margin: 0;
}
.cta-card p {
  font-size: 17px;
  line-height: 1.85;
  color: rgba(255,255,255,0.85);
  margin: 0;
  max-width: 560px;
}
.cta-btns {
  display: flex; flex-wrap: wrap; gap: 14px; justify-content: center;
  margin-top: 8px;
}
.cta-trust {
  display: flex; flex-wrap: wrap; gap: 18px; justify-content: center;
  color: rgba(255,255,255,0.8);
  font-size: 14px;
  font-weight: 600;
  margin-top: 6px;
}
.cta-trust .ct { display: inline-flex; align-items: center; gap: 6px; }
.cta-trust svg { color: var(--mint); }

@media (max-width: 720px) {
  .cta { padding: 80px 0; }
  .cta-card { padding: 52px 28px; }
}

/* ---- FOOTER ---- */
.footer {
  background: var(--surface);
  padding: 72px 0 32px;
  border-top: 1px solid var(--border);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}
@media (max-width: 800px) {
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 480px) {
  .footer-top { grid-template-columns: 1fr; }
}
.footer-brand { display: flex; flex-direction: column; gap: 14px; }
.footer-tag { font-size: 14px; color: var(--ink-muted); max-width: 280px; line-height: 1.7; }
.footer-col h4 {
  font-family: var(--font-rounded);
  font-weight: 800;
  font-size: 14px;
  color: var(--ink);
  margin: 0 0 16px;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 600;
  transition: color 0.15s;
}
.footer-col a:hover { color: var(--accent-600); }
.footer-bot {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--ink-muted);
}

/* ---- Sticky CTA (mobile) ---- */
.sticky-cta {
  display: none;
}
@media (max-width: 900px) {
  .sticky-cta {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 40;
    padding: 10px 20px;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
    justify-content: center;
    transform: translateY(100%);
    transition: transform 0.3s var(--ease);
  }
  .sticky-cta.visible { transform: translateY(0); }
  .sticky-cta .btn {
    flex: 1;
    max-width: 360px;
    text-align: center;
    padding: 14px 24px;
    font-size: 16px;
  }
  .footer { padding-bottom: 72px; }
}