/* =========================================================
   CONCEPT page
   /hp-creation/concept/
========================================================= */

.concept-page {
  color: #333;
  line-height: 1.9;
}

.concept-page img {
  max-width: 100%;
  height: auto;
}

.concept-main {
  overflow: hidden;
  background: #fff;
}

.concept-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

/* Hero */
.concept-hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 20px 90px;
  color: #fff;
  background-image: url('../img/concept/concept-hero.jpg');
  background-size: cover;
  background-position: center;
  text-align: center;
}

.concept-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 76, 120, .78), rgba(0, 0, 0, .45));
}

.concept-hero__inner {
  position: relative;
  z-index: 1;
  width: min(1200px, 100%);
}

.concept-hero__label,
.concept-heading__en {
  margin: 0 0 14px;
  color: #ef8b2c;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.concept-hero h2 {
  margin: 0 0 28px;
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: .04em;
  text-shadow: 0 3px 18px rgba(0, 0, 0, .35);
}

.concept-hero p:not(.concept-hero__label) {
  width: min(820px, 100%);
  margin: 0 auto;
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 600;
  line-height: 2;
  text-align: left;
  text-shadow: 0 2px 12px rgba(0, 0, 0, .35);
}

/* Common */
.concept-section {
  padding: 90px 0;
}

.concept-heading {
  margin-bottom: 46px;
  text-align: center;
}

.concept-heading h2,
.concept-about h2,
.concept-cta h2 {
  margin: 0;
  color: #21465f;
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.45;
  letter-spacing: .04em;
}

/* Problem */
.concept-problem {
  background: #f6fbfd;
}

.concept-problem__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  align-items: stretch;
}

.concept-problem__card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  height: 100%;
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 12px 34px rgba(30, 70, 100, .11);
}

.concept-problem__img {
  height: 240px;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #e7f4fa, #fff4e8);
}

.concept-problem__img img {
  max-height: 210px;
  object-fit: contain;
}

.concept-problem__body {
  padding: 30px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.concept-problem__body h3 {
  margin: 0 0 14px;
  color: #21465f;
  font-size: 22px;
  font-weight: 800;
}

.concept-problem__body p {
  margin: 0;
}

.concept-problem__core {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  margin-top: 38px;
  padding: 34px;
  background: #fff;
  border: 3px solid #ef8b2c;
  border-radius: 24px;
  box-shadow: 0 12px 34px rgba(30, 70, 100, .10);
}

.concept-problem__core-icon {
  flex: 0 0 auto;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: #ef8b2c;
  font-size: 32px;
  font-weight: 800;
}

.concept-problem__core h3 {
  margin: 0 0 8px;
  color: #21465f;
  font-size: 24px;
  font-weight: 800;
}

.concept-problem__core p {
  margin: 0;
}

/* Stance */
.concept-stance {
  background: #fff;
}

.concept-stance__list {
  display: grid;
  gap: 26px;
}

.concept-stance__item {
  display: grid;
  grid-template-columns: 90px 1fr 120px;
  gap: 28px;
  align-items: center;
  padding: 34px;
  background: #f8fbfd;
  border-radius: 26px;
  box-shadow: 0 10px 30px rgba(30, 70, 100, .08);
}

.concept-stance__num {
  color: #ef8b2c;
  font-size: 42px;
  font-weight: 900;
  line-height: 1;
}

.concept-stance__text h3 {
  margin: 0 0 12px;
  color: #21465f;
  font-size: 25px;
  font-weight: 800;
}

.concept-stance__text p {
  margin: 0;
}

.concept-stance__item figure {
  margin: 0;
  text-align: center;
}

.concept-stance__item figure img {
  max-height: 92px;
  object-fit: contain;
}

/* About */
.concept-about {
  background: linear-gradient(135deg, #21465f, #2f6c8e);
  color: #fff;
}

.concept-about__box {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 50px;
  align-items: center;
}

.concept-about h2 {
  color: #fff;
  margin-bottom: 22px;
}

.concept-about p:not(.concept-heading__en) {
  margin: 0;
  font-size: 18px;
}

.concept-about__image {
  padding: 34px;
  background: rgba(255, 255, 255, .92);
  border-radius: 50%;
  text-align: center;
}

/* Voice */
.concept-voice {
  background: #fffaf3;
}

.concept-voice__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  align-items: stretch;
}

.concept-voice__card {
  position: relative;
  padding: 36px 34px 34px;
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 12px 34px rgba(30, 70, 100, .10);
}

.concept-voice__card::before {
  content: '“';
  position: absolute;
  top: 12px;
  right: 28px;
  color: rgba(239, 139, 44, .18);
  font-size: 92px;
  font-family: Georgia, serif;
  line-height: 1;
}

.concept-voice__type {
  margin: 0 0 16px;
  color: #21465f;
  font-size: 20px;
  font-weight: 800;
}

.concept-voice__comment {
  margin: 0 0 22px;
}

.concept-voice__result {
  display: inline-block;
  margin: 0;
  padding: 8px 14px;
  color: #fff;
  background: #ef8b2c;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
}

/* CTA */
.concept-cta {
  padding: 90px 20px;
  color: #fff;
  background: url('../img/concept/concept-cta.jpg') center/cover;
  text-align: center;
}

.concept-cta__inner {
  width: min(920px, 100%);
  margin: 0 auto;
}

.concept-cta h2 {
  color: #fff;
  margin-bottom: 22px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, .16);
}

.concept-cta p {
  margin: 0 0 34px;
  font-size: 18px;
  font-weight: 600;
}

.concept-cta__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 300px;
  padding: 18px 34px;
  color: #ef8b2c;
  background: #fff;
  border-radius: 999px;
  font-size: 18px;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 10px 28px rgba(0, 0, 0, .18);
  transition: transform .2s ease, box-shadow .2s ease;
}

.concept-cta__button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(0, 0, 0, .22);
  text-decoration: none;
}

/* Responsive */
@media screen and (max-width: 900px) {
  .concept-section {
    padding: 70px 0;
  }

  .concept-problem__grid,
  .concept-voice__grid,
  .concept-about__box {
    grid-template-columns: 1fr;
  }

  .concept-about__image {
    width: 180px;
    height: 180px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .concept-stance__item {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .concept-stance__num {
    font-size: 48px;
  }
}

@media screen and (max-width: 640px) {
  .concept-inner {
    width: min(100% - 28px, 1120px);
  }

  .concept-hero {
    min-height: 460px;
    padding: 96px 18px 70px;
  }

  .concept-hero p:not(.concept-hero__label) {
    font-size: 15px;
    line-height: 1.9;
  }

  .concept-heading {
    margin-bottom: 32px;
  }

  .concept-problem__body,
  .concept-problem__core,
  .concept-stance__item,
  .concept-voice__card {
    padding: 24px 20px;
  }

  .concept-problem__core {
    display: block;
  }

  .concept-problem__core-icon {
    margin-bottom: 16px;
  }

  .concept-problem__img {
    height: 190px;
  }

  .concept-cta__button {
    width: 100%;
    min-width: 0;
  }
}

/* Voiceカード余白修正 */
.concept-voice__grid{
    align-items:start !important;
}

.concept-voice__card{
    height:auto !important;
    min-height:0 !important;
}

.concept-voice__comment{
    margin:0 0 22px !important;
    flex:none !important;
}

.concept-voice__result{
    position:static !important;
    display:inline-block;
    margin:0 !important;
}