:root {
  --font-xs: 12px;
  --font-s: 14px;
  --font-base: 16px;
  --font-m: clamp(18px, 2vw, 24px);
  --font-l: clamp(26px, 2.8vw, 32px);
  --font-xl: clamp(32px, 3.5vw, 40px);
}

.fv {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  min-height: 100svh;
  padding-top: 70px;
  overflow: hidden;
  background: linear-gradient(180deg, #b5ccf5 0%, transparent 100%);
}
.fv .fv__inner {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: flex-start;
  width: 90%;
  max-width: 1200px;
  padding: 36px 0 96px;
  margin: 0 auto;
}
.fv .fv__content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.fv .fv__heading {
  font-size: clamp(36px, 5vw, 72px);
  font-weight: 700;
  line-height: 1.35;
  color: #1a2d70;
  letter-spacing: 0.02em;
}
.fv .fv__heading .fv__heading-accent {
  color: #ed703a;
}
.fv .fv__desc {
  font-size: var(--font-base);
  line-height: 1.9;
  color: #6a7282;
  letter-spacing: 0.05em;
}
.fv .fv__desc br {
  display: none;
}
.fv .fv__btns {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}
.fv .fv__img {
  width: 100%;
}
.fv .fv__img img {
  width: 100%;
  height: auto;
}
.fv .fv__scroll {
  --color: #99a1af;
  position: absolute;
  bottom: 20px;
  left: 50%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  padding: 0;
  color: var(--color);
  cursor: pointer;
  background: transparent;
  border: 0;
  transform: translateX(-50%);
}
.fv .fv__scroll .fv__scroll-txt {
  font-size: 11px;
  font-weight: bold;
  letter-spacing: 0.3em;
}
.fv .fv__scroll::after {
  display: block;
  width: 1px;
  height: 48px;
  content: "";
  background: linear-gradient(to bottom, var(--color) 50%, transparent 50%);
  background-position: 0 0;
  background-size: 1px 200%;
  animation: scroll-line 1.6s ease-in-out infinite;
}

.lead {
  position: relative;
  padding: 88px 0;
  overflow-x: clip;
  isolation: isolate;
}
.lead::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1;
  height: 60%;
  pointer-events: none;
  content: "";
  background: linear-gradient(to top, white, transparent);
}
.lead .lead__line {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  min-width: 760px;
  transform: translate(-50%, -50%);
}
.lead .lead__line svg {
  width: 100%;
  height: auto;
}
.lead .lead__inner {
  position: relative;
  z-index: 10;
  width: 90%;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.lead .lead__body {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.lead .lead__body::before, .lead .lead__body::after {
  display: block;
  width: 64px;
  height: 1px;
  content: "";
  background-color: #1a2d70;
}
.lead .lead__heading {
  font-size: clamp(18px, 4.4vw, 28px);
  font-weight: 700;
  line-height: 1.45;
  color: #1a2d70;
}
.lead .lead__desc {
  font-size: var(--font-m);
  line-height: 1.7;
  color: #333;
}

.principles {
  position: relative;
  z-index: 1;
  padding: 80px 0;
  overflow: hidden;
  background-color: #1a2d70;
}
.principles .principles__inner {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 60px;
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}
.principles .principles__content {
  display: flex;
  flex-direction: column;
  gap: 44px;
  align-items: baseline;
}
.principles .section-heading {
  font-size: clamp(30px, 7vw, 48px);
  line-height: 1.35;
  color: white;
}
.principles .principles__desc {
  font-size: var(--font-base);
  line-height: 2;
  color: white;
  letter-spacing: 0.05em;
}
.principles .principles__items {
  display: flex;
  flex-direction: column;
  gap: 20px;
  list-style: none;
}
.principles .principles__item {
  display: flex;
  gap: 16px;
  align-items: center;
  font-size: var(--font-base);
  font-weight: bold;
  font-weight: bold;
  color: white;
}
.principles .principles__icon {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
}
.principles .principles__icon img {
  width: 24px;
  height: 24px;
}
.principles .principles__deco {
  position: absolute;
  right: 0;
  bottom: -1px;
  z-index: 1;
  width: clamp(370px, 86vw, 940px);
  pointer-events: none;
  opacity: 0.45;
}
.principles .principles__deco img {
  width: 100%;
  height: auto;
}

.business {
  position: relative;
  padding: 60px 0 0;
  overflow-x: clip;
}
.business .business__line {
  position: absolute;
  top: 50%;
  left: 50%;
  display: none;
  width: 100%;
  min-width: 720px;
  transform: translate(-50%, -50%);
}
.business .business__line svg {
  width: 100%;
  height: auto;
}
.business .business__fade {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 420px;
  background: linear-gradient(to bottom, white, transparent);
}
.business .business__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 40px;
  width: 90%;
  max-width: 1230px;
  margin: 0 auto;
}
.business .business__head {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  text-align: center;
}
.business .business__items {
  display: grid;
  gap: 32px;
  list-style: none;
}
.business .business__item {
  --stagger-y: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: flex-start;
  width: 100%;
  max-width: 600px;
  padding: 16px;
  margin: 0 auto;
  background-color: white;
  border: solid 1px #1a2d70;
  border-radius: 24px;
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
  transform: translateY(calc(var(--stagger-y) + 40px));
}
.business .business__item.is-visible {
  opacity: 1;
  transform: translateY(var(--stagger-y));
}
.business .business__item-img {
  aspect-ratio: 357/182;
  overflow: hidden;
  border-radius: 16px;
}
.business .business__item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.business .business__item:hover .business__item-img img {
  transform: scale(1.05);
}
.business .business__item-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 16px;
}
.business .business__item-label {
  font-size: var(--font-xs);
  font-weight: bold;
  line-height: 1;
  color: #ed703a;
}
.business .business__item-name {
  font-size: var(--font-m);
  font-weight: 700;
  font-weight: bold;
  line-height: 1.2;
  color: #1a2d70;
}
.business .business__item-desc {
  flex: 1;
  font-size: var(--font-s);
  line-height: 1.8;
  color: #6a7282;
  letter-spacing: 0.04em;
}
.business .business__item-link {
  display: flex;
  gap: 8px;
  align-items: center;
  color: #1a2d70;
}
.business .business__item-link::after {
  display: inline-block;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  content: "";
  background-color: #1a2d70;
  -webkit-mask-image: url("../img/common/icon_arrow.svg");
          mask-image: url("../img/common/icon_arrow.svg");
  -webkit-mask-repeat: no-repeat;
          mask-repeat: no-repeat;
  -webkit-mask-size: contain;
          mask-size: contain;
}

.company {
  position: relative;
  z-index: 1;
  padding: 90px 0 72px;
}
.company .company__inner {
  display: flex;
  flex-direction: column;
  gap: 60px;
  width: 90%;
  max-width: 1230px;
  margin: 0 auto;
}
.company .company__content {
  display: flex;
  flex-direction: column;
  gap: 32px;
  align-items: flex-start;
}
.company .company__desc {
  font-size: var(--font-base);
  line-height: 1.9;
  color: #333;
}
.company .company__desc br {
  display: none;
}
.company .company__img {
  display: none;
  width: 100%;
  max-width: 540px;
}
.company .company__img img {
  width: 100%;
  height: auto;
  border-radius: 24px;
}

.recruit {
  padding: 72px 0;
  background: linear-gradient(to top, #1a2d70 25%, transparent 100%);
}
.recruit .recruit__inner {
  width: 96%;
  max-width: 700px;
  margin: 0 auto;
}
.recruit .recruit__card {
  display: flex;
  flex-direction: column;
  gap: 40px;
  justify-content: center;
  padding: 24px;
  overflow: hidden;
  background-color: white;
  border: solid 1px #1a2d70;
  border-radius: 32px;
}
.recruit .recruit__img {
  flex-shrink: 0;
  width: 100%;
  aspect-ratio: 550/368;
}
.recruit .recruit__img img {
  object-fit: cover;
  width: 100%;
}
.recruit .recruit__content {
  display: flex;
  flex-direction: column;
  gap: 32px;
  align-items: flex-start;
}
.recruit .recruit__heading-accent {
  color: #ed703a;
}
.recruit .recruit__desc {
  font-size: var(--font-base);
  line-height: 1.9;
}
.recruit .recruit__desc br {
  display: none;
}

@keyframes scroll-line {
  0% {
    background-position: 0 100%;
  }
  100% {
    background-position: 0 -100%;
  }
}

@media screen and (min-width: 640px) {
  .business {
    padding: 80px 0;
  }
  .business .business__line {
    display: block;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .fv .fv__img {
    position: absolute;
    top: 52%;
    right: -6%;
    z-index: 1;
    width: clamp(520px, 72vw, 760px);
    pointer-events: none;
    transform: translateY(-50%);
  }
  .fv .fv__inner {
    position: relative;
  }
  .fv .fv__content {
    position: relative;
    z-index: 2;
    max-width: 620px;
  }
}

@media screen and (min-width: 768px) {
  .fv .fv__scroll {
    bottom: 28px;
  }
  .fv .fv__inner {
    gap: 32px;
    padding: 48px 0 104px;
  }
  .fv .fv__content {
    gap: 30px;
  }
  .fv .fv__desc br {
    display: inline;
  }
  .lead .lead__heading {
    font-size: var(--font-l);
  }
  .company .company__desc br {
    display: inline;
  }
  .recruit .recruit__desc br {
    display: inline;
  }
}

@media screen and (min-width: 1024px) {
  .fv {
    padding-top: 80px;
  }
  .fv .fv__inner {
    padding: 56px 0 120px;
  }
  .fv .fv__content {
    max-width: 560px;
  }
  .fv .fv__img {
    position: absolute;
    top: 50%;
    right: 0;
    width: clamp(640px, 60vw, 980px);
    transform: translateY(-50%);
  }
  .lead {
    padding: 120px 0;
  }
  .lead .lead__line {
    min-width: 1000px;
  }
  .principles {
    padding: 100px 0;
  }
  .principles .principles__deco {
    width: clamp(600px, 64vw, 940px);
    opacity: 1;
  }
  .principles .principles__inner {
    flex-direction: row;
    align-items: center;
  }
  .principles .principles__content {
    flex: 0 0 50%;
  }
  .business {
    padding: 100px 0;
  }
  .business .business__line {
    min-width: 1000px;
  }
  .business .business__fade {
    height: 800px;
  }
  .business .business__items {
    grid-template-columns: repeat(3, 1fr);
    padding-bottom: 80px;
  }
  .business .business__item:nth-child(2) {
    --stagger-y: 40px;
  }
  .business .business__item:nth-child(3) {
    --stagger-y: 80px;
  }
  .company {
    padding: 150px 0 100px;
  }
  .company .company__inner {
    flex-direction: row;
    gap: 80px;
    align-items: center;
    justify-content: space-between;
  }
  .company .company__content {
    flex: 0 0 50%;
  }
  .company .company__img {
    display: block;
    flex: 1;
  }
  .recruit {
    padding: 100px 0;
  }
  .recruit .recruit__card {
    padding: 40px;
  }
  .recruit .recruit__img {
    width: 550px;
  }
  .recruit .recruit__inner {
    max-width: 1300px;
  }
  .recruit .recruit__card {
    flex-direction: row;
    align-items: center;
  }
}

@media screen and (min-width: 1280px) {
  .fv .fv__inner {
    justify-content: center;
  }
  .fv .fv__img {
    width: clamp(760px, 58vw, 980px);
  }
}

@media (max-width: 767px) {
  .fv .fv__inner {
    position: relative;
  }
  .fv .fv__content {
    position: relative;
    z-index: 2;
    max-width: 100%;
  }
  .fv .fv__img {
    position: absolute;
    top: 46%;
    right: -16%;
    z-index: 1;
    width: min(116vw, 560px);
    pointer-events: none;
    opacity: 0.16;
    transform: translateY(-50%);
  }
}

@media (max-width: 480px) {
  .fv .fv__btns {
    width: 100%;
  }
  .fv .fv__btns .btn {
    justify-content: center;
    width: 100%;
  }
}