/* ====== SECTIONS COMMON ====== */
section { padding: 90px 0; position: relative; }
.section-title {
  text-align: center;
  font-size: 30px;
  font-weight: 800;
  line-height: 1.5;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}
.section-title .em {
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.section-title .brand {
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  font-style: italic;
}
.section-title-small {
  text-align: center; font-size: 13px; font-weight: 700;
  color: var(--purple-2); letter-spacing: 0.15em;
  margin-bottom: 12px;
  display: flex; align-items: center; justify-content: center; gap: 12px;
}
.section-title-small::before, .section-title-small::after {
  content: ""; height: 1px; width: 32px; background: var(--purple);
}
.section-sub { text-align: center; color: var(--ink-2); margin-bottom: 48px; }

/* ====== PROBLEMS ====== */
.problems { background: #fff; }
.problems h2 .pain {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  position: relative;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.prob-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 18px;
  text-align: left;
  position: relative;
  transition: transform .2s, box-shadow .2s;
}
.prob-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.prob-num {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--grad);
  color: #fff;
  display: grid; place-items: center;
  font-weight: 800; font-size: 14px;
  margin-bottom: 12px;
}
.prob-text {
  font-size: 13px; font-weight: 700; line-height: 1.6;
  margin-bottom: 16px;
  min-height: 64px;
}
.prob-illust {
  height: 120px;
  background: linear-gradient(135deg, #faf6ff, #fdf2fb);
  border-radius: 12px;
  display: grid; place-items: center;
  color: var(--ink-3);
  font-size: 32px;
  position: relative;
  overflow: hidden;
}
.prob-illust svg { width: 60%; height: 60%; opacity: 0.7; }

/* ====== SOLUTION ====== */
.solution {
  background: var(--bg-lav);
  position: relative;
  overflow: hidden;
}
.solution::before, .solution::after {
  content: ""; position: absolute;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, #fbcfe855 0%, transparent 70%);
  pointer-events: none;
}
.solution::before { top: -120px; left: -120px; }
.solution::after { bottom: -120px; right: -120px; background: radial-gradient(circle, #ddd6fe66 0%, transparent 70%); }
.solution h2 { font-size: 28px; }
.solution h2 .brand {
  font-size: 42px; display: inline-block; padding: 0 4px;
}
.solve-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 32px;
  margin-top: 48px;
}
.solve-side {
  background: #fff;
  border-radius: 24px;
  padding: 32px;
  box-shadow: var(--shadow);
  position: relative;
}
.solve-side h4 {
  font-size: 14px; font-weight: 700;
  text-align: center;
  margin-bottom: 18px;
  color: var(--ink-2);
}
.solve-before .illust {
  height: 160px;
  background: linear-gradient(135deg, #f3f0f7, #e5dff0);
  border-radius: 14px;
  display: grid; place-items: center;
}
.solve-after .illust {
  height: 160px;
  background: linear-gradient(135deg, #ede9fe, #fce7f3);
  border-radius: 14px;
  display: grid; place-items: center;
  position: relative;
  overflow: hidden;
}
.arrow-grad {
  width: 80px; height: 80px;
  background: var(--grad);
  border-radius: 50%;
  display: grid; place-items: center;
  color: #fff;
  box-shadow: var(--shadow-lg);
}
.solve-list {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 32px;
}
.solve-bullet {
  background: #fff;
  border-radius: 999px;
  padding: 14px 22px;
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 700;
  box-shadow: var(--shadow-sm);
}
.solve-bullet .chk {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--grad);
  display: grid; place-items: center;
  color: #fff;
  font-size: 12px;
  flex-shrink: 0;
}

/* ====== 3 REASONS ====== */
.reasons { background: #fff; }
.reason-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.reason-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 36px 28px;
  position: relative;
  transition: transform .2s;
}
.reason-card:hover { transform: translateY(-4px); }
.reason-card.featured {
  border: 1px solid #f5d0fe;
  background: linear-gradient(180deg, #fef6ff, #fff);
}
.r-num {
  font-family: "Inter", sans-serif;
  font-size: 28px;
  font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}
.r-title {
  font-size: 18px; font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.5;
}
.r-text {
  font-size: 13px;
  color: var(--ink-2);
  margin-bottom: 24px;
}
.r-visual {
  height: 220px;
  background: linear-gradient(135deg, #faf6ff, #fdf2fb);
  border-radius: 14px;
  display: grid; place-items: center;
  position: relative;
  overflow: hidden;
}
.r-icons {
  display: flex; gap: 8px;
  margin-top: 14px;
}
.r-icon {
  background: #fff;
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 10px; font-weight: 700;
  color: var(--purple-2);
  border: 1px solid var(--line);
  display: flex; align-items: center; gap: 6px;
}

/* ====== FEATURES ====== */
.features {
  background: var(--bg-soft);
}
.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 48px;
}
.feat-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px 24px;
  display: flex; flex-direction: column; gap: 14px;
  transition: transform .15s, box-shadow .15s;
}
.feat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.feat-head { display: flex; align-items: center; gap: 14px; }
.feat-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, #ede9fe, #fce7f3);
  display: grid; place-items: center;
  color: var(--purple-2);
  flex-shrink: 0;
}
.feat-title { font-size: 15px; font-weight: 800; }
.feat-text { font-size: 12px; color: var(--ink-2); }