/* ============================================================
   タバカレ product page — tabakare brand palette on ASRISE base
   ============================================================ */

.tk {
  --tk-teal: #1d9a96;
  --tk-teal-dark: #157672;
  --tk-purple: #7c5cd6;
  --tk-gold: #d9a441;
  --tk-bg-soft: #eef7f6;
}

.sp-only { display: none; }
@media (max-width: 768px) { .sp-only { display: inline; } }

.tk-accent { color: var(--tk-teal); }

.tk-btn {
  background: var(--tk-teal);
  color: #fff;
  box-shadow: 0 8px 24px rgba(29, 154, 150, 0.35);
}
.tk-btn:hover {
  background: var(--tk-teal-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(29, 154, 150, 0.45);
}
.tk-btn--ghost {
  border: 1px solid var(--tk-teal);
  color: var(--tk-teal);
}
.tk-btn--ghost:hover { background: rgba(29, 154, 150, 0.08); }
.tk-btn--lg { padding: 20px 56px; font-size: 17px; }

/* header on light page */
.tk .header.is-scrolled {
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 1px 0 var(--line);
}
.tk .header__logo-img { filter: none; transition: filter 0.3s ease; }
.tk .header__nav a { color: var(--ink); }
.tk .header__nav a:hover { color: var(--tk-teal); }
.tk .header__nav .nav-cta { background: var(--tk-teal); color: #fff; }
.tk .header__menu-btn span { background: var(--ink); }
@media (max-width: 768px) {
  .tk .header__nav {
    background: rgba(255, 255, 255, 0.97);
  }
}

/* ---------- hero ---------- */
.tk-hero {
  padding: calc(var(--header-h) + 72px) 0 96px;
  text-align: center;
  background:
    radial-gradient(ellipse 900px 520px at 50% -80px, var(--tk-bg-soft), transparent 70%),
    linear-gradient(180deg, #fff, #fff);
}
.tk-hero__label {
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.28em;
  color: var(--tk-teal);
}
.tk-hero__brand {
  margin-top: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}
.tk-hero__logo {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(16, 24, 40, 0.12);
}
.tk-hero__name {
  font-size: 26px;
  font-weight: 900;
  letter-spacing: 0.06em;
}
.tk-hero__title {
  margin-top: 28px;
  font-size: clamp(34px, 6vw, 60px);
  font-weight: 900;
  line-height: 1.4;
  letter-spacing: 0.02em;
}
.tk-hero__lead {
  margin-top: 24px;
  color: var(--ink-soft);
  font-size: clamp(15px, 2vw, 17px);
}
.tk-hero__actions {
  margin-top: 40px;
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.tk-hero__note {
  margin-top: 18px;
  font-size: 13px;
  color: var(--ink-soft);
}

/* ---------- problem ---------- */
.tk-problem {
  padding: 96px 0;
  background: var(--navy-900);
  color: #fff;
  text-align: center;
}
.tk-problem__title {
  font-size: clamp(22px, 3.4vw, 32px);
  font-weight: 900;
  margin-bottom: 48px;
}
.tk-problem__list {
  max-width: 640px;
  margin: 0 auto;
  display: grid;
  gap: 16px;
  text-align: left;
}
.tk-problem__list li {
  background: var(--navy-800);
  border: 1px solid var(--line-dark);
  border-radius: 14px;
  padding: 20px 24px 20px 56px;
  position: relative;
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
}
.tk-problem__list li::before {
  content: "!";
  position: absolute;
  left: 22px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--tk-gold);
  color: var(--navy-900);
  font-weight: 900;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------- features ---------- */
.tk-features {
  padding: 120px 0;
  background: #fff;
}
.tk-features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.tk-feature {
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 36px 30px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.tk-feature:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(16, 24, 40, 0.1);
}
.tk-feature__icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}
.tk-feature__icon svg { width: 26px; height: 26px; }
.tk-feature__icon--teal { background: rgba(29, 154, 150, 0.12); color: var(--tk-teal); }
.tk-feature__icon--purple { background: rgba(124, 92, 214, 0.12); color: var(--tk-purple); }
.tk-feature__icon--gold { background: rgba(217, 164, 65, 0.15); color: #b07f24; }
.tk-feature h3 {
  font-size: 19px;
  font-weight: 900;
  margin-bottom: 12px;
}
.tk-feature p {
  font-size: 14.5px;
  color: var(--ink-soft);
}
@media (max-width: 900px) {
  .tk-features__grid { grid-template-columns: 1fr; }
}

/* ---------- pricing ---------- */
.tk-pricing {
  padding: 120px 0;
  background: var(--tk-bg-soft);
}
.tk-pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.tk-plan {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 36px 30px;
  position: relative;
  text-align: center;
}
.tk-plan--featured {
  border: 2px solid var(--tk-teal);
  box-shadow: 0 16px 40px rgba(29, 154, 150, 0.15);
}
.tk-plan__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--tk-teal);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 999px;
  letter-spacing: 0.06em;
}
.tk-plan h3 {
  font-size: 17px;
  font-weight: 900;
}
.tk-plan__price {
  font-family: var(--font-en);
  font-size: 40px;
  font-weight: 800;
  margin: 12px 0 20px;
}
.tk-plan__price span {
  font-size: 14px;
  color: var(--ink-soft);
  font-weight: 600;
}
.tk-plan ul {
  display: grid;
  gap: 10px;
  font-size: 14px;
  color: var(--ink-soft);
  text-align: left;
  max-width: 220px;
  margin: 0 auto;
}
.tk-plan li {
  padding-left: 22px;
  position: relative;
}
.tk-plan li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--tk-teal);
  font-weight: 700;
}
@media (max-width: 900px) {
  .tk-pricing__grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
}

/* ---------- cta ---------- */
.tk-cta {
  padding: 120px 0;
  text-align: center;
  background: #fff;
}
.tk-cta h2 {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 900;
}
.tk-cta p {
  margin: 16px 0 36px;
  color: var(--ink-soft);
}

/* footer logo stays white-on-dark (base style) */