/* ===== MV ===== */
.mv {
  position: relative;
  height: 100svh;
  min-height: 500px;
  overflow: hidden;
  margin-top: 0;
}
.mv__slider {
  position: absolute;
  inset: 0;
}
.mv__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.mv__slide.is-active { opacity: 1; }
.mv__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}
.mv__indicators {
  display: none; /* 後日使用予定のため非表示 */
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  /* display: flex; */
  gap: 10px;
  z-index: 10;
}
.mv__indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background 0.3s, transform 0.3s;
}
.mv__indicator.is-active {
  background: #fff;
  transform: scale(1.3);
}
.mv__overlay { display: none; }
.mv__content {
  position: absolute;
  bottom: 120px;
  left: 100px;
  right: 100px;
}
.mv__en {
  font-family: "montserrat", sans-serif;
  font-weight: 600;
  font-size: clamp(20px, 2.5vw, 40px);
  color: #31caff;
  margin-bottom: 12px;
}
.mv__title {
  font-weight: 700;
  font-size: clamp(32px, 5.5vw, 80px);
  color: #fff;
  line-height: 1.3;
}
.mv__banner {
  position: fixed;
  right: 20px;
  bottom: 40px;
  width: clamp(140px, 13vw, 248px);
  z-index: 90;
}
.mv__banner img { width: 100%; border-radius: 4px; }
.mv__banner-close {
  position: absolute;
  top: -12px;
  right: -12px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #005eb8;
  color: #fff;
  border: none;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  transition: background 0.2s;
}
.mv__banner-close:hover { background: #003f80; }
.mv__banner.is-hidden { display: none; }

/* ===== NEWS ===== */
.news { background: #fff; padding: 80px 0; }
.news__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  gap: 60px;
  align-items: flex-start;
}
.news__heading { flex-shrink: 0; width: 160px; }
.news__heading .news__more { margin-top: 50px; }
.news__list-wrap { flex: 1; }
.news__list { border-top: 1px solid #e0e0e0; }
.news__item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid #e0e0e0;
}
.news__date {
  font-size: 14px;
  color: #939393;
  flex-shrink: 0;
  width: 90px;
}
.news__tag {
  font-weight: 700;
  font-size: 13px;
  color: #fff;
  padding: 4px 0;
  border-radius: 20px;
  flex-shrink: 0;
  white-space: nowrap;
  width: 88px;
  text-align: center;
}
.news__tag--info { background: #005eb8; }
.news__tag--event { background: #31caff; }
.news__tag--other { background: #005eb8; }
.news__text {
  font-size: 16px;
  color: #040000;
  flex: 1;
  transition: color 0.2s;
}
.news__text:hover { color: #005eb8; }
.news__arrow {
  color: #005eb8;
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.news__arrow .material-symbols-rounded { font-size: 20px; }
.news__more {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
  font-weight: 700;
  font-size: 18px;
  color: #000;
  width: fit-content;
}
.news__more--sp { display: none; }
.news__more-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #005eb8;
  color: #fff;
  flex-shrink: 0;
}
.news__more-icon .material-symbols-rounded { font-size: 22px; }
.news__more:hover .news__more-icon { background: #0047a0; }

/* ===== ABOUT ===== */
.about {
  background: linear-gradient(135deg, #0070cc 0%, #0089e5 100%);
  padding: 80px 0 100px;
  position: relative;
  overflow: hidden;
  max-width: 100%;
}
.about__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 0 0 40px;
  overflow: hidden;
  box-sizing: border-box;
  width: 100%;
}
.about__heading {
  text-align: center;
  margin-bottom: 60px;
}
.about__body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  grid-template-areas:
    "left img"
    "link img";
  gap: 0 60px;
}
.about__left     { grid-area: left; min-width: 0; }
.about__text-col { min-width: 0; }
.about__img-col  {
  grid-area: img;
  min-width: 0;
}
.about__link     { grid-area: link; margin-top: 28px; width: fit-content; }
.about__img      { display: block; width: 100%; height: auto; }
.about__catch {
  font-weight: 700;
  font-size: clamp(24px, 2.5vw, 40px);
  color: #fff;
  line-height: 1.5;
  margin-bottom: 28px;
}
.about__desc {
  font-size: 18px;
  color: #fff;
  line-height: 1.8;
  margin-bottom: 36px;
}
.about__link {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 18px;
  color: #fff;
  width: fit-content;
}
.about__link-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  flex-shrink: 0;
}
.about__link-icon .material-symbols-rounded { font-size: 22px; color: #fff; }
.about__link:hover .about__link-icon { background: rgba(255,255,255,0.5); }
.about__img-col { width: 100%; max-width: 577px; }
.about__img { width: 100%; max-width: 100%; height: auto; display: block; border-radius: 4px; }

/* ===== GREETING ===== */
.greeting { background: #fff; padding: 80px 0; overflow: hidden; }
.greeting__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}
.greeting__heading { margin-bottom: 60px; text-align: center; }
.greeting__body {
  display: grid;
  grid-template-columns: 1fr 230px;
  grid-template-rows: auto auto;
  grid-template-areas:
    "text img"
    "link img";
  gap: 0 60px;
  margin-bottom: 60px;
}
.greeting__text-col { grid-area: text; min-width: 0; }
.greeting__img-col  { grid-area: img; }
.greeting__link     { grid-area: link; margin-top: 28px; width: fit-content; }
.greeting__sub {
  font-size: 35px;
  font-weight: 700;
  color: #000;
  margin-bottom: 12px;
}
.greeting__catch {
  font-size: clamp(24px, 2.5vw, 38px);
  font-weight: 700;
  color: #000;
  line-height: 1.5;
  margin-bottom: 28px;
}
.greeting__desc {
  font-size: 18px;
  line-height: 1.8;
  color: #000;
  margin-bottom: 36px;
}
.greeting__link {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 18px;
  color: #000;
  width: fit-content;
}
.greeting__link-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #005eb8;
  flex-shrink: 0;
}
.greeting__link-icon .material-symbols-rounded { font-size: 22px; color: #fff; }
.greeting__link:hover .greeting__link-icon { background: #0047a0; }
.greeting__img-col { flex-shrink: 0; width: 230px; }
.greeting__img { width: 230px; height: 307px; object-fit: cover; border-radius: 4px; }
.greeting__partner img { width: 100%; border-radius: 4px; }

/* ===== COMPANY ===== */
.company { background: #fff; padding: 80px 0 100px; border-top: 1px solid #c7c7c7; }
.company__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  text-align: center;
}
.company__heading { margin-bottom: 20px; }
.company__desc {
  font-size: 18px;
  line-height: 1.8;
  color: #000;
  margin-bottom: 40px;
}
.company__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 20px;
  margin-bottom: 40px;
}
.company__card {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  aspect-ratio: 590/251;
  display: block;
  text-decoration: none;
  min-width: 0;
}
.company__card:nth-child(1) { grid-column: 1; grid-row: 1; }
.company__card:nth-child(2) { grid-column: 2; grid-row: 1; }
.company__card:nth-child(3) { grid-column: 1; grid-row: 2; }
.company__card:nth-child(4) { grid-column: 2; grid-row: 2; }
.company__card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.company__card:hover img { transform: scale(1.05); }
.company__card-label {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.25);
  text-align: center;
}
.company__card-en {
  font-family: "montserrat", sans-serif;
  font-weight: 600;
  font-size: 16px;
  color: #fff;
  margin-bottom: 4px;
}
.company__card-ja {
  font-weight: 700;
  font-size: clamp(24px, 3vw, 40px);
  color: #fff;
}
.company__inner > .news__more { margin-left: auto; margin-right: auto; }
.company__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 18px;
  color: #000;
  border-bottom: 2px solid #000;
  padding-bottom: 4px;
  transition: color 0.2s;
}
.company__link:hover { color: #005eb8; border-color: #005eb8; }

/* ===== BANNER ===== */
.banner { background: #fff; padding: 60px 0; border-top: 1px solid #c7c7c7; }
.banner__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}
.banner__img {
  width: 100%;
  border-radius: 4px;
  transition: opacity 0.2s;
}
.banner__img:hover { opacity: 0.9; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
  .mv__content { bottom: 80px; left: 40px; right: 40px; }
  .news__inner { flex-direction: column; gap: 32px; padding: 0 40px; }
  .news__heading { width: 100%; }
  .about__inner { padding: 0 40px; }
  .greeting__inner { padding: 0 40px; }
  .company__inner { padding: 0 40px; }
  .banner__inner { padding: 0 40px; }
  .about__body {
    display: flex;
    flex-direction: column;
    gap: 24px;
  }
  .about__left  { order: 1; }
  .about__img-col { order: 2; width: 100%; }
  .about__link  { order: 3; margin-top: 0; align-self: center; }
  .about__img { width: 100%; height: auto; min-height: unset; }
  .greeting__body {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    grid-template-areas:
      "img"
      "text"
      "link";
    gap: 24px 0;
  }
  .greeting__img-col { width: 100%; justify-self: center; }
  .greeting__img { width: 230px; height: 307px; margin: 0 auto; }
  .greeting__link { margin-top: 0; justify-self: center; }
  .company__grid { gap: 12px; }
}

@media (max-width: 640px) {
  .mv { margin-top: 0; }
  .mv__content { bottom: 200px; left: 24px; right: 24px; }
  .mv__title { font-size: clamp(20px, 6.5vw, 32px); white-space: nowrap; }
  .mv__banner { display: none; }
  .news { padding: 50px 0; }
  .news__inner { padding: 0 !important; }
  .news__heading { padding: 0 40px; }
  .news__list-wrap { padding: 0 40px; width: 100%; }
  .news__list { width: 100%; }
  .news__item { width: 100%; }
  .news__item {
    display: grid;
    grid-template-columns: auto auto 1fr auto;
    grid-template-rows: auto auto;
    gap: 6px 8px;
    padding: 14px 0;
  }
  .news__date { grid-column: 1; grid-row: 1; width: auto; }
  .news__tag { grid-column: 2; grid-row: 1; }
  .news__text {
    grid-column: 1 / 4;
    grid-row: 2;
    font-size: 17px;
    font-weight: 700;
    flex: none;
    width: auto;
  }
  .news__arrow { grid-column: 4; grid-row: 2; align-self: center; }
  .news__heading .news__more { display: none; }
  .news__more--sp {
    display: flex;
    margin-top: 32px;
    width: 100%;
    justify-content: center;
  }
  .about { padding: 50px 0 60px; }
  .about__inner { padding: 0 24px !important; }
  .about__heading {
    text-align: center;
    padding-right: 0;
  }
  .about__heading .section-ja { font-size: clamp(22px, 6vw, 40px); white-space: nowrap; }
  .about__heading .section-en { white-space: nowrap; }
  .greeting { padding: 50px 0; }
  .greeting__inner { padding: 0 24px !important; }
  .company { padding: 50px 0 60px; }
  .company__inner { padding: 0 24px !important; }
  .company__desc { text-align: left; }
  .company__grid { grid-template-columns: 1fr; }
  .company__card:nth-child(1),
  .company__card:nth-child(2),
  .company__card:nth-child(3),
  .company__card:nth-child(4) { grid-column: 1; grid-row: auto; }
  .banner { padding: 40px 0; }
  .banner__inner { padding: 0 24px !important; }
}

@media (max-width: 767px) {
  .about { overflow: hidden; }
  .about__inner { overflow: hidden; }
  .about__body {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    grid-template-areas:
      "text"
      "img"
      "link";
    gap: 24px 0;
  }
  .about__img-col { width: 100%; max-width: 100%; overflow: hidden; }
  .about__img { width: 100% !important; height: auto !important; min-height: unset !important; }
  .about__link { justify-self: center; margin-top: 0; }
}

@media (max-width: 378px) {
  .about__heading .section-ja { font-size: clamp(20px, 7vw, 28px); white-space: nowrap; }
  .about__heading .section-en { font-size: clamp(13px, 4vw, 18px); white-space: nowrap; }
}