/* ==========================================================================
   page-concept.css
   concept.html 専用スタイル
   (.page-hero は共通の hero.css を使用)
   ========================================================================== */

/* ===== 背景と目的 ===== */
.purpose {
  padding: 48px var(--container-pad) 52px;
  background: linear-gradient(
    to bottom,
    var(--color-bg) 0,
    #fff 60px,
    #fff calc(100% - 60px),
    var(--color-bg) 100%
  );
}

.purpose__inner {
  max-width: 760px;
  margin: 0 auto;
}

.purpose__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--color-blue-2);
  text-align: center;
}

.purpose__title {
  margin: 10px 0 0;
  font-weight: 900;
  font-size: 24px;
  line-height: 1.5;
  color: var(--color-heading);
  text-align: center;
}

.purpose__block {
  margin-top: 28px;
  padding: 20px 22px;
  border-radius: 20px;
  background: var(--color-card-cream-1);
}

.purpose__block + .purpose__block {
  margin-top: 16px;
}

.purpose__block-label {
  display: inline-block;
  font-weight: 700;
  font-size: 12.5px;
  color: var(--color-coral-2);
  background: #fff;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.purpose__block-text {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.95;
  color: var(--color-text-sub);
}

.purpose__block-text strong {
  color: var(--color-heading);
}

@media (min-width: 1024px) {
  .purpose {
    padding: 70px var(--container-pad) 80px;
    background: linear-gradient(
      to bottom,
      var(--color-bg) 0,
      #fff 90px,
      #fff calc(100% - 90px),
      var(--color-bg) 100%
    );
  }

  .purpose__title {
    font-size: 30px;
  }

  .purpose__block {
    padding: 28px 32px;
  }

  .purpose__block-text {
    font-size: 15px;
  }
}

/* ===== 通過型→滞在型 ===== */
.shift {
  padding: 20px var(--container-pad) 50px;
  max-width: var(--container-max-narrow);
  margin: 0 auto;
}

.shift__head {
  text-align: center;
  margin-bottom: 30px;
}

.shift__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--color-coral-2);
}

.shift__title {
  margin: 10px 0 0;
  font-weight: 900;
  font-size: 24px;
  color: var(--color-heading);
}

.shift__lead {
  margin: 14px auto 0;
  max-width: 520px;
  font-size: 14px;
  line-height: 1.95;
  color: var(--color-text-sub);
}

.shift__diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.shift__box {
  width: 100%;
  max-width: 320px;
  border-radius: 22px;
  padding: 28px 20px;
  text-align: center;
}

.shift__box--before {
  background: var(--color-card-cream-3);
}

.shift__box--after {
  background: linear-gradient(135deg, #FBD9BE, #F4A98A);
}

.shift__box-icon {
  font-size: 30px;
}

.shift__box-label {
  margin-top: 10px;
  font-weight: 900;
  font-size: 16px;
  color: var(--color-heading);
}

.shift__box--after .shift__box-label {
  color: #fff;
}

.shift__arrow {
  font-size: 22px;
  color: var(--color-coral-2);
  transform: rotate(90deg);
}

@media (min-width: 768px) {
  .shift__diagram {
    flex-direction: row;
    justify-content: center;
  }

  .shift__arrow {
    transform: none;
  }
}

@media (min-width: 1024px) {
  .shift {
    padding: 30px var(--container-pad) 70px;
  }

  .shift__title {
    font-size: 30px;
  }
}

/* ===== 4つの育成価値 ===== */
.values {
  padding: 48px var(--container-pad) 52px;
  background: linear-gradient(
    to bottom,
    var(--color-bg) 0,
    #fff 60px,
    #fff calc(100% - 60px),
    var(--color-bg) 100%
  );
}

.values__head {
  text-align: center;
  margin-bottom: 30px;
}

.values__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--color-yellow-3);
}

.values__title {
  margin: 10px 0 0;
  font-weight: 900;
  font-size: 24px;
  color: var(--color-heading);
}

.values__grid {
  max-width: var(--container-max-narrow);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.values__card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.values__badge {
  flex: none;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 20px;
}

.values__card--coral .values__badge { background: var(--color-coral-3); }
.values__card--blue .values__badge { background: var(--color-blue); }
.values__card--yellow .values__badge { background: var(--color-yellow-2); }

.values__card-title {
  margin: 0;
  font-weight: 900;
  font-size: 16px;
  color: var(--color-heading);
}

.values__card-text {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--color-text-sub);
}

@media (min-width: 768px) {
  .values__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .values {
    padding: 70px var(--container-pad) 80px;
    background: linear-gradient(
      to bottom,
      var(--color-bg) 0,
      #fff 90px,
      #fff calc(100% - 90px),
      var(--color-bg) 100%
    );
  }

  .values__title {
    font-size: 30px;
  }

  .values__grid {
    gap: 34px 40px;
  }
}

/* ===== 多世代がつながる ===== */
.roles {
  padding: 48px var(--container-pad);
  background: var(--color-blue);
}

.roles__head {
  text-align: center;
  margin-bottom: 26px;
}

.roles__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  color: #E8F6FB;
}

.roles__title {
  margin: 10px 0 0;
  font-weight: 900;
  font-size: 24px;
  color: #fff;
}

.roles__grid {
  max-width: var(--container-max-narrow);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.roles__card {
  background: #fff;
  border-radius: 20px;
  padding: 20px 22px;
}

.roles__card-title {
  margin: 0;
  font-weight: 900;
  font-size: 15px;
  color: var(--color-coral-2);
}

.roles__card-text {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--color-text-sub);
}

@media (min-width: 768px) {
  .roles__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .roles {
    padding: 64px var(--container-pad);
  }

  .roles__title {
    font-size: 30px;
  }

  .roles__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
}

/* ===== 200mのアーケード ===== */
.stage {
  padding: 48px var(--container-pad);
  max-width: var(--container-max-narrow);
  margin: 0 auto;
  text-align: center;
}

.stage__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--color-coral-2);
}

.stage__title {
  margin: 10px 0 0;
  font-weight: 900;
  font-size: 22px;
  line-height: 1.5;
  color: var(--color-heading);
}

.stage__number {
  display: block;
  font-weight: 900;
  font-size: 46px;
  color: var(--color-coral-2);
}

.stage__text {
  margin: 16px auto 0;
  max-width: 480px;
  font-size: 14px;
  line-height: 1.95;
  color: var(--color-text-sub);
}

@media (min-width: 1024px) {
  .stage {
    padding: 60px var(--container-pad);
  }

  .stage__title {
    font-size: 28px;
  }

  .stage__number {
    font-size: 64px;
  }

  .stage__text {
    font-size: 15px;
  }
}

/* ===== 持続可能性 ===== */
.sustain {
  padding: 20px var(--container-pad) 50px;
  max-width: var(--container-max-narrow);
  margin: 0 auto;
}

.sustain__box {
  background: var(--color-card-cream-1);
  border-radius: 26px;
  padding: 28px 24px;
  text-align: center;
}

.sustain__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--color-yellow-3);
}

.sustain__title {
  margin: 10px 0 0;
  font-weight: 900;
  font-size: 20px;
  color: var(--color-heading);
}

.sustain__text {
  margin: 14px auto 0;
  max-width: 520px;
  font-size: 13.5px;
  line-height: 1.95;
  color: var(--color-text-sub);
}

@media (min-width: 1024px) {
  .sustain {
    padding: 30px var(--container-pad) 70px;
  }

  .sustain__box {
    padding: 44px 50px;
  }

  .sustain__title {
    font-size: 26px;
  }

  .sustain__text {
    font-size: 14.5px;
  }
}

/* ===== 下部CTA ===== */
.concept-cta {
  padding: 20px var(--container-pad) 70px;
}

.concept-cta__card {
  max-width: var(--container-max-narrow);
  margin: 0 auto;
  background: var(--color-coral);
  border-radius: 30px;
  padding: 40px 24px;
  text-align: center;
  box-shadow: 0 18px 38px rgba(244, 144, 107, .32);
}

.concept-cta__title {
  margin: 0;
  font-weight: 900;
  font-size: 24px;
  color: #fff;
  line-height: 1.5;
}

.concept-cta__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  justify-content: center;
  margin-top: 24px;
}

.concept-cta__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #fff;
  color: var(--color-coral-2);
  font-weight: 700;
  font-size: 14px;
  padding: 14px 22px;
  border-radius: var(--radius-pill);
}

.concept-cta__btn--outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, .6);
}

@media (min-width: 640px) {
  .concept-cta__actions {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

@media (min-width: 1024px) {
  .concept-cta {
    padding: 20px var(--container-pad) 90px;
  }

  .concept-cta__card {
    padding: 54px 40px;
  }

  .concept-cta__title {
    font-size: 30px;
  }
}