/* =========================================================
   Course & Price Section
========================================================= */
.pricing-section {
  max-width: var(--container);
  margin: var(--section-gap) auto;
  padding: 0 1rem;
  text-align: center;
}
.pricing-section__head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: clamp(2.2rem, 4vw, 3.4rem);
}
.pricing-section__eyebrow {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.36em;
  color: var(--eyebrow);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.pricing-section__eyebrow::before {
  content: "";
  width: 40px;
  height: 1px;
  background: linear-gradient(
    90deg,
    rgba(15, 78, 231, 0),
    rgba(15, 78, 231, 0.65)
  );
}
.pricing-section__title {
  margin: 0.4rem 0;
  font-size: clamp(2rem, 2.5vw + 1rem, 3.2rem);
  font-weight: 800;
  color: #0c2540;
  position: relative;
  display: inline-block;
  letter-spacing: -.01em;
}
.pricing-section__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.2rem;
  width: 100%;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--brand-teal), var(--brand-blue));
  opacity: 0.6;
}
.pricing-section__lead {
  color: #4a586f;
  max-width: 760px;
  line-height: 1.85;
  margin: 0 auto;
}

/* Cards -------------------------------------------------- */
.pricing-grid {
  display: grid;
  gap: clamp(1.6rem, 3vw, 2.4rem);
}
@media (min-width: 960px) {
  .pricing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .pricing-grid > :nth-child(3) {
    grid-column: 1 / -1;
  }
}

.pricing-card {
  position: relative;
  text-align: left;
  background: var(--gradient-card);
  border: var(--border-card);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 3.4vw, 2.6rem);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: clamp(1.6rem, 2.6vw, 2.1rem);
  overflow: hidden;
  backdrop-filter: blur(8px);
}
.pricing-card::before,
.pricing-card::after {
  content: "";
  position: absolute;
  pointer-events: none;
  transform: rotate(8deg);
  opacity: 0;
  transition: opacity 0.35s ease;
}
.pricing-card::before {
  inset: -45% 42% auto -42%;
  height: 180px;
  background: var(--lp-hover-gradient);
}
.pricing-card::after {
  inset: auto 20% -40% 20%;
  height: 180px;
  background: linear-gradient(
    120deg,
    rgba(15, 78, 231, 0.12),
    rgba(47, 183, 166, 0.12),
    rgba(255, 255, 255, 0)
  );
}
.pricing-card:hover,
.pricing-card:focus-within {
  box-shadow: var(--shadow-lg);
}
.pricing-card:hover::before,
.pricing-card:focus-within::before,
.pricing-card:hover::after,
.pricing-card:focus-within::after {
  opacity: 0.28;
}

.pricing-card--recommended {
  border: 1px solid rgba(15, 78, 231, 0.36);
  box-shadow: 0 28px 60px rgba(15, 78, 231, 0.18);
}

.pricing-card__ribbon {
  position: absolute;
  top: 26px;
  right: -84px;
  display: block;
  width: 220px;
  text-align: center;
  padding: 0.55rem 0;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: #fff;
  background: linear-gradient(
    120deg,
    var(--brand-teal) 0%,
    var(--brand-blue) 100%
  );
  transform: rotate(45deg);
  box-shadow: 0 14px 28px rgba(15, 78, 231, 0.2);
}

.pricing-card__header {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-bottom: 0.7rem;
}
.pricing-card__header::after {
  content: "";
  position: absolute;
  left: -1.6rem;
  right: -1.6rem;
  bottom: -0.35rem;
  height: 1px;
  background: linear-gradient(
    90deg,
    rgba(15, 78, 231, 0),
    rgba(15, 78, 231, 0.3),
    rgba(47, 183, 166, 0)
  );
}
.pricing-card__badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 1.2rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: linear-gradient(
    120deg,
    var(--brand-teal) 0%,
    var(--brand-blue) 100%
  );
  color: #fff;
  box-shadow: 0 12px 26px rgba(15, 78, 231, 0.24);
  overflow: hidden;
}
.pricing-card__badge::after {
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.6) 0%,
    rgba(255, 255, 255, 0) 65%
  );
  animation: pricing-badge-glint 3s linear infinite;
}
.pricing-card__title {
  margin: 0;
  font-size: clamp(1.5rem, 1.1vw + 1.1rem, 1.9rem);
  font-weight: 800;
  color: #0b2344;
}
.pricing-card__intro {
  margin: 0;
  color: #4a586f;
  line-height: 1.7;
}

.pricing-price-grid {
  display: grid;
  gap: 1rem;
}
@media (min-width: 540px) {
  .pricing-price-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.pricing-price-card {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(15, 78, 231, 0.14);
  border-radius: var(--radius);
  padding: clamp(0.9rem, 2vw, 1.05rem) clamp(1rem, 2.4vw, 1.15rem);
  text-align: center;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
}
.pricing-price-card__label {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.06rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: #56657a;
  text-align: center;
}
.pricing-price-card__value {
  margin: 0.05rem 0 0;
  display: flex;
  align-items: baseline;
  justify-content: center;
  font-size: clamp(1.9rem, 3vw + 1.1rem, 2.35rem);
  font-weight: 800;
  color: #0b2344;
  letter-spacing: 0.01em;
  max-width: 100%;
  white-space: nowrap;
}

.pricing-feature-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
}
.pricing-feature-list li {
  position: relative;
  padding-left: 1.8rem;
  color: #455265;
  font-weight: 600;
}
.pricing-feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35rem;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: linear-gradient(
    135deg,
    var(--brand-blue),
    var(--brand-teal) 70%,
    var(--brand-orange)
  );
  box-shadow: 0 8px 16px rgba(15, 78, 231, 0.18);
  mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><path fill="white" d="M6.173 12.252L2.12 8.2l1.414-1.414 2.64 2.64 6.012-6.012 1.414 1.415z"/></svg>')
    center / 70% 70% no-repeat;
}

.pricing-card__group {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.35rem 1.45rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(15, 78, 231, 0.12);
  box-shadow: var(--shadow);
}
.pricing-card__group::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, 0.5);
  pointer-events: none;
}
.pricing-card__group h4 {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 700;
  color: #0c2540;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}
.pricing-card__group h4::before {
  content: "";
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-teal));
  box-shadow: 0 0 0 4px rgba(15, 78, 231, 0.14);
}

.pricing-option-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}
.pricing-option-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: #0b2344;
  font-weight: 600;
}
.pricing-option-list li span:first-child {
  color: #455265;
}
.pricing-option-list__nested {
  flex-direction: column;
  align-items: flex-start;
  gap: 0.6rem;
}
.pricing-option-list__nested div {
  display: grid;
  gap: 0.35rem;
  width: 100%;
}
.pricing-option-list__nested p {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
  color: #0b2344;
}
.pricing-option-list__nested p span:first-child {
  color: #455265;
}

.pricing-cta {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  margin-top: auto;
  padding: 1.1rem 2.4rem;
  border-radius: var(--radius);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  background: linear-gradient(
    120deg,
    var(--brand-teal) 0%,
    var(--brand-blue) 100%
  );
  box-shadow: 0 20px 44px rgba(15, 78, 231, 0.2);
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease;
}
.pricing-cta:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 26px 52px rgba(15, 78, 231, 0.24);
  text-decoration: none;
}
.pricing-cta:focus-visible {
  outline: 3px solid rgba(47, 183, 166, .45);
  outline-offset: 3px;
}
.pricing-cta--secondary {
  background: linear-gradient(120deg, #0f2239 0%, #1f3b5c 100%);
  box-shadow: 0 20px 44px rgba(15, 34, 57, 0.26);
}
.pricing-cta--secondary:hover {
  box-shadow: 0 26px 56px rgba(15, 34, 57, 0.3);
}

/* More info ------------------------------------------------ */
.pricing-more {
  margin-top: clamp(2.4rem, 4vw, 3.6rem);
  text-align: left;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.95),
    rgba(243, 248, 251, 0.9)
  );
  border: 1px solid rgba(15, 78, 231, 0.16);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 4vw, 2.8rem);
  box-shadow: var(--shadow);
}
.pricing-more h3 {
  margin: 0 0 1.4rem;
  text-align: center;
  font-size: clamp(1.8rem, 1vw + 1.4rem, 2.2rem);
  font-weight: 800;
  color: #0b2344;
}

.pricing-accordion {
  display: grid;
  gap: 0.85rem;
}
.pricing-accordion__item {
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid rgba(15, 78, 231, 0.16);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.pricing-accordion__item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.1rem 1.4rem;
  font-weight: 700;
  color: #0c2540;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: background .2s ease, color .2s ease;
  border-radius: var(--radius);
}
.pricing-accordion__item summary:hover {
  background: rgba(15, 78, 231, 0.04);
}
.pricing-accordion__item summary:focus-visible {
  outline: 3px solid rgba(47, 183, 166, .45);
  outline-offset: -2px;
}
.pricing-accordion__item summary::-webkit-details-marker {
  display: none;
}
.pricing-accordion__arrow {
  display: inline-flex;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 50%;
  border: 1px solid rgba(15, 78, 231, 0.3);
  position: relative;
  transition: transform 0.3s ease;
}
.pricing-accordion__arrow::after {
  content: "";
  position: absolute;
  inset: 35% 25% 25% 25%;
  border-left: 2px solid rgba(15, 78, 231, 0.85);
  border-bottom: 2px solid rgba(15, 78, 231, 0.85);
  transform: rotate(-45deg);
}
.pricing-accordion__item[open] .pricing-accordion__arrow {
  transform: rotate(180deg);
}
.pricing-accordion__content {
  padding: 0 1.4rem 1.2rem;
  color: #455265;
  line-height: 1.75;
}
.pricing-accordion__content ul {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.5rem;
}
.pricing-accordion__content li span {
  color: #0b2344;
  font-weight: 700;
}

.pricing-more__note {
  margin-top: 1.6rem;
  text-align: center;
  font-size: 0.9rem;
  color: #56657a;
}

@media (max-width: 767px) {
  .pricing-card__group {
    padding: 1.15rem 1.1rem;
  }
  .pricing-option-list li {
    flex-direction: column;
    align-items: flex-start;
  }
  .pricing-option-list__nested div p {
    justify-content: space-between;
  }
  .pricing-list__item {
    grid-template-columns: minmax(0, 1fr);
  }
  .pricing-list__item dd {
    justify-content: flex-start;
    text-align: left;
  }
  .pricing-list__item--note dd {
    align-items: flex-start;
  }
}

@keyframes pricing-badge-glint {
  0% {
    transform: translateX(-70%);
    opacity: 0;
  }
  40% {
    opacity: 0.7;
  }
  60% {
    opacity: 0.7;
  }
  100% {
    transform: translateX(70%);
    opacity: 0;
  }
}

.pricing-section__note {
  margin: 1.5rem auto 0;
  font-size: 0.85rem;
  color: #586274;
  text-align: center;
  letter-spacing: 0.08em;
}
.pricing-price-card__tax,
.pricing-option-list__tax,
.pricing-accordion__tax {
  font-size: 0.78rem;
  font-weight: 600;
  color: rgba(12, 36, 64, 0.7);
  white-space: nowrap;
}

/* SP専用: 一等/二等 タブUI（PCでは display:none で消える） */
.pricing-tabs { display: none; }

@media (max-width: 599px) {
  .pricing-tabs {
    display: flex;
    gap: 0.4rem;
    padding: 0.35rem;
    margin: 0 0.4rem 1rem;
    background: rgba(255, 255, 255, 0.7);
    border: var(--border-subtle);
    border-radius: 999px;
    box-shadow: var(--shadow-sm);
  }
  .pricing-tabs__btn {
    flex: 1;
    padding: 0.65rem 0.6rem;
    border: 0;
    border-radius: 999px;
    font: inherit;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--muted);
    background: transparent;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
  }
  .pricing-tabs__btn.is-active {
    background: var(--gradient-strong);
    color: #fff;
    box-shadow: var(--shadow-sm);
  }
  .pricing-tabs__btn:focus-visible {
    outline: 2px solid var(--brand-blue);
    outline-offset: 2px;
  }

  /* SP専用class — このメディアクエリ内でのみ display:none が効く */
  .pricing-card.is-pricing-hidden { display: none; }

  /* SPでカード密度を上げる */
  .pricing-grid { gap: 1rem; }
  .pricing-card {
    padding: 1.6rem 1.2rem;
    gap: 1.1rem;
  }
  .pricing-card__group { padding: 0.95rem 0.9rem; }
  .pricing-accordion summary {
    padding: 0.85rem 1rem;
    font-size: 0.94rem;
    gap: 0.6rem;
  }
  .pricing-accordion__content { padding: 0 1rem 1rem; font-size: 0.92rem; }
  .pricing-more { padding: 1.4rem 1.1rem; }
}

@media (prefers-reduced-motion: reduce) {
  .pricing-tabs__btn { transition: none; }
}