/* =====================================================
 Base / Reset
===================================================== */
body {
  margin: 0;
  font-family: "Noto Sans JP", sans-serif;
  color: #222;
  background-color: #ffffff;
}

img {
  width: 100%;
  height: auto;
  display: block;
}

h1,
h2,
h3 {
    font-weight: 700;
}

h3 {
    color:#505050;
}

p {
  margin: 0;
  line-height: 1.7;
}

section {
  width: 100%;
  box-sizing: border-box;
}

.sp-only { display: none; }

@media (max-width: 896px) {
  .sp-only { display: block; }
}


/* =====================================================
 Hero
===================================================== */
.hero {
  position: relative;
}

.hero img,
.hero video {
  width: 100%;
  height: 582px;
  object-fit: cover;
}

.hero-text {
  position: absolute;
  left: 120px;
  bottom: 160px;
  color: #ffffff;
  z-index: 1;
}

.hero-text h1 {
  font-size: 32px;
  line-height: 1.4;
  font-weight: 400!important;
  text-shadow: 0 0 10px #333;
}

/* =====================================================
 Lead Box（画像上に重ねる）
===================================================== */
.lead-box {
  position: absolute;
  left: 50%;
  bottom: -70px;
  transform: translateX(-50%);
  width: 1125px;
  background-color: #ffffff;
  padding: 32px 48px 0px;
  border-radius: 10px;
  box-shadow: 0 -10px 10px rgba(0, 0, 0, 0.15);
  text-align: center;
  z-index: 2;
}

.lead-main {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 20px;
}

.lead-sub {
  font-size: 16px;
  color: #555555;
  line-height: 1.8;
}

/* =====================================================
 Main Cards（3カラム）
===================================================== */
.cards {
  max-width: 1200px;
  margin: 150px auto 80px;
  padding: 0 40px;
  display: flex;
  gap: 22px;
  justify-content: space-between;
}

.card {
  display: block;
  text-decoration: none;
  color: inherit;
  width: 350px;
  height: 320px;
  background-color: #ffffff;
  border-radius: 12px;
  position: relative;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  overflow: hidden;
}

.card:hover {
  transform: translateY(2px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.12);
}

.card h3 {
  font-size: 18px;
  font-weight: 700!important;	
  padding: 6px 18px 0px;
}

.card p {
  font-size: 13px;
  padding: 0 18px;
  color: #404040;
}

.arrow {
  position: absolute;
  right: 18px;
  bottom: 18px;
  font-size: 18px;
  color: #1a8aa3;
}

.arrow_circle {
  position: absolute;
  right: 18px;
  bottom: 18px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: #1a8aa3;
  color: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* =========================
 Environment
========================= */
.environment {
  position: relative;
  margin: 120px 0;
}

.environment img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.environment-box {
  display: block;
  text-decoration: none;
  color: inherit;
  position: absolute;
  top: 50%;
  right: 64px;
  transform: translateY(-50%);
  background-color: #ffffff;
  padding: 32px 32px 70px;
  width: 340px;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}

.environment-box:hover {
  top: 51%;
  box-shadow: 0 12px 30px rgba(0,0,0,0.12);
}

.environment-box h3 {
  font-size: 18px;
  margin-bottom: 12px;  
  color: #505050;
}

.environment-box p {
  font-size: 14px;
  color: #404040;
}

/* =====================================================
 News & Topics
===================================================== */
.news {
  background-color: #ffffff;
  padding: 10px 24px 40px;
}

.news-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.news h2 {
  font-size: 24px;
  text-align: left;
  margin-bottom: 20px;
}

.news-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.news-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background-color: #f2f2f2;
  border-radius: 12px;
  padding: 24px;
  position: relative;
  min-height: 220px;
}

a .news-card:hover {
  transform: translateY(2px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.12);
}

.news-card time {
  font-size: 14px;
  color: #000000;
}

.news-card h3 {
  font-size: 20px;
  margin: 12px 0;
  line-height: 1.6;
}

.news-card p {
  font-size: 13px;
  color: #555555;
  line-height: 1.6;
}


.news-more {
  margin-top: 25px;
  text-align: right;
}

.news-more a {
  display: inline-block;
  border: 1px solid #333333;
  padding: 12px 75px;
  font-size: 14px;
  color: #333333;
  text-decoration: none;
}

/* Arrow Icon */
.news-icon {
  position: absolute;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  background-color: #258c99;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.news-icon::after {
  content: "";
  display: block;
  width: 10px;
  height: 10px;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  transform: rotate(45deg);
  margin-left: -4px;
}

.noLink .news-icon {
	display:  none;
}

/* =====================================================
 Stakeholder
===================================================== */
.stakeholder {
  background-color: #efece3;
  padding: 40px 24px;
}

.stakeholder-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.stakeholder h2 {
  font-size: 24px;
  text-align: left;
  margin-bottom: 8px;
}

.stakeholder-lead {
  font-size: 16px;
  color: #000000;
  margin-bottom: 32px;
}

.stakeholder-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

/* =====================================================
 Contact
===================================================== */
.contact {
  max-width: 1200px;
  margin: 80px auto;
  padding: 0 24px;
  text-align: left;
}

.contact h2 {
  font-size: 24px;
  margin-bottom: 16px;
}

.contact p {
  font-size: 14px;
  color: #555555;
  line-height: 1.8;
}


/* =====================================================
 Responsive
===================================================== */
@media screen and (max-width: 896px) {
  .hero img,
  .hero video {
    height: 320px;
  }

  .hero-text {
    left: 20px;
    bottom: 40px;
    top: auto;
    text-align: left;
  }

  .hero-text h1 {
    font-size: 20px;
  }

  .lead-box {
    position: relative;
    width: auto;
    left: 0;
    transform: none;
    bottom: 0;
    margin: 40px 20px;
    padding: 24px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  }

  .lead-main {
    font-size: 18px;
  }

  .lead-sub {
    font-size: 14px;
    text-align: left;
  }

  .cards {
    flex-direction: column;
    padding: 0 20px;
    margin-top: 40px;
  }

  .card {
    width: 100%;
    height: auto;
    margin-bottom: 24px;
    padding-bottom: 40px;
  }

  .card img {
    height: 160px;
    object-fit: cover;
  }

  .card-content {
    padding: 24px;
  }

  /* Environment Section */
  .environment-box {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: calc(100% - 112px);
    max-width: 100%;
    right: auto;
  }

  /* News Section */
  .news-list {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .news-card {
    padding: 24px;
  }

  /* Stakeholder Section */
  .stakeholder-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  .stakeholder-cards .card {
    width: 100%;
    margin-bottom: 0;
  }
}