/* =========================================================
   style.css
   ---------------------------------------------------------
   今回の「デジタル教材販売LP」専用デザインです。
   知的さ・整理感・学習しやすそうな印象を重視します。
========================================================= */


/* ---------------------------------------------------------
   ファーストビュー
   左にコピー、右に教材モックアップと内容カード
--------------------------------------------------------- */
.fv {
  position: relative;
  overflow: hidden;
  padding: 58px 0 74px;
  background:
    radial-gradient(circle at 18% 20%, rgba(24, 169, 153, 0.10), transparent 22%),
    radial-gradient(circle at 82% 16%, rgba(31, 75, 122, 0.12), transparent 20%),
    linear-gradient(180deg, #fbfdff 0%, #f5f9fc 100%);
}

.fv__layout {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 34px;
  align-items: center;
}

.fv__label {
  margin-bottom: 16px;
}

.fv__subcopy {
  margin-bottom: 14px;
  color: var(--color-main);
  font-size: 1rem;
  font-weight: 700;
}

.fv__title {
  margin-bottom: 18px;
  color: var(--color-main-dark);
  font-size: clamp(2.2rem, 4vw, 3.8rem);
  line-height: 1.25;
}

.fv__lead {
  max-width: 640px;
  color: var(--color-text-light);
}

.fv__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 28px;
}

.fv__mockup {
  width: 320px;
  margin: 0 auto 20px;
  padding: 18px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 22px 44px rgba(31, 75, 122, 0.14);
}

.fv__info-card {
  max-width: 340px;
  margin: 0 auto;
  padding: 22px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(31, 75, 122, 0.08);
  box-shadow: var(--shadow-card);
}

.fv__info-title {
  margin-bottom: 12px;
  color: var(--color-main-dark);
  font-weight: 700;
  font-size: 1rem;
}

.fv__info-list {
  display: grid;
  gap: 10px;
}

.fv__info-list li {
  position: relative;
  padding-left: 18px;
  color: var(--color-text);
}

.fv__info-list li::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}


/* ---------------------------------------------------------
   お悩み訴求
--------------------------------------------------------- */
.problem__lead {
  max-width: 760px;
  margin: 0 auto 28px;
  text-align: center;
  color: var(--color-text-light);
}

.problem__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.problem__item {
  position: relative;
  padding: 22px 22px 22px 56px;
  border-radius: 18px;
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}

.problem__item::before {
  content: "";
  position: absolute;
  top: 24px;
  left: 22px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
}

.problem__text {
  text-align: center;
  color: var(--color-main-dark);
  font-weight: 700;
}


/* ---------------------------------------------------------
   できるようになること
--------------------------------------------------------- */
.benefit__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.benefit-card__title {
  margin-bottom: 12px;
  color: var(--color-main-dark);
  font-size: 1.14rem;
  line-height: 1.5;
}

.benefit-card__text {
  color: var(--color-text-light);
}


/* ---------------------------------------------------------
   教材内容一覧
--------------------------------------------------------- */
.content-list__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.content-item__title {
  margin-bottom: 12px;
  color: var(--color-main-dark);
  font-size: 1.12rem;
  line-height: 1.5;
}

.content-item__text {
  color: var(--color-text-light);
}


/* ---------------------------------------------------------
   理由
--------------------------------------------------------- */
.reason__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.reason-card__title {
  margin-bottom: 12px;
  color: var(--color-main-dark);
  font-size: 1.14rem;
  line-height: 1.5;
}

.reason-card__text {
  color: var(--color-text-light);
}


/* ---------------------------------------------------------
   購入後の流れ
--------------------------------------------------------- */
.flow__list {
  display: grid;
  gap: 18px;
  max-width: 920px;
  margin: 0 auto;
}

.flow__item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 20px;
  align-items: start;
  padding: 24px;
  border-radius: 18px;
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}

.flow__step {
  color: var(--color-accent);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.flow__title {
  margin-bottom: 8px;
  color: var(--color-main-dark);
  font-size: 1.06rem;
}

.flow__text {
  color: var(--color-text-light);
}


/* ---------------------------------------------------------
   購入者の声
--------------------------------------------------------- */
.voice__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.voice-card__title {
  margin-bottom: 14px;
  color: var(--color-main-dark);
  font-size: 1.05rem;
}

.voice-card__text {
  color: var(--color-text-light);
}


/* ---------------------------------------------------------
   商品情報
--------------------------------------------------------- */
.detail__layout {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 34px;
  align-items: center;
}

.detail__table {
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid var(--color-border);
  background: var(--color-white);
}

.detail__row {
  display: grid;
  grid-template-columns: 150px 1fr;
}

.detail__row:not(:last-child) {
  border-bottom: 1px solid var(--color-border);
}

.detail__row dt,
.detail__row dd {
  padding: 18px 20px;
}

.detail__row dt {
  background: #eef6fb;
  font-weight: 700;
  color: var(--color-main-dark);
}

.detail__note {
  margin-top: 16px;
  color: var(--color-text-light);
  font-size: 0.92rem;
}

.detail__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 24px;
}

.detail__visual img {
  width: 100%;
  aspect-ratio: 4 / 4.2;
  object-fit: cover;
  border-radius: 22px;
  box-shadow: 0 18px 40px rgba(31, 75, 122, 0.14);
}


/* ---------------------------------------------------------
   FAQ
--------------------------------------------------------- */
.faq__list {
  display: grid;
  gap: 16px;
  max-width: 920px;
  margin: 0 auto;
}

.faq__item {
  padding: 24px;
  border-radius: 18px;
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}

.faq__question {
  margin-bottom: 10px;
  color: var(--color-main-dark);
  font-size: 1.06rem;
}

.faq__answer {
  color: var(--color-text-light);
}


/* ---------------------------------------------------------
   CTA
--------------------------------------------------------- */
.cta {
  padding: 96px 0;
  background:
    linear-gradient(135deg, rgba(31, 75, 122, 0.10), rgba(24, 169, 153, 0.10));
}

.cta__inner {
  max-width: 920px;
  margin: 0 auto;
  padding: 52px 36px;
  text-align: center;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 20px 44px rgba(22, 53, 86, 0.10);
}

.cta__sub {
  margin-bottom: 10px;
  color: var(--color-accent);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.cta__title {
  margin-bottom: 18px;
  color: var(--color-main-dark);
  font-size: clamp(1.9rem, 3vw, 2.8rem);
  line-height: 1.4;
}

.cta__text {
  max-width: 720px;
  margin: 0 auto;
  color: var(--color-text-light);
}

.cta__buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 28px;
}


/* ---------------------------------------------------------
   タブレット調整
--------------------------------------------------------- */
@media (max-width: 960px) {
  .fv__layout,
  .problem__list,
  .benefit__grid,
  .content-list__grid,
  .reason__grid,
  .voice__grid,
  .detail__layout {
    grid-template-columns: 1fr;
  }
}


/* ---------------------------------------------------------
   スマホ調整
--------------------------------------------------------- */
@media (max-width: 768px) {
  .fv {
    padding: 36px 0 46px;
  }

  .fv__title {
    font-size: clamp(2rem, 7vw, 2.9rem);
  }

  .fv__mockup {
    width: 230px;
  }

  .fv__buttons,
  .detail__buttons,
  .cta__buttons {
    flex-direction: column;
  }

  .flow__item {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .detail__row {
    grid-template-columns: 1fr;
  }

  .detail__row dt,
  .detail__row dd {
    padding: 14px 16px;
  }

  .cta {
    padding: 72px 0;
  }

  .cta__inner {
    padding: 34px 20px;
  }
}