/**
 * ==========================================================================
 * Page Name : トップページ用CSS
 * File Name : /assets/css/index.css
 * Created   : 2026-06-30
 * Updated   : 2026-06-30
 * ==========================================================================
 */
@media (max-width: 767px) {
  body {
    font-size: 14px;
  }
}

/* ========================================
  　メインビジュアル
======================================== */
.frontpage-mv {
  width: 100%;
  height: 800px;
  position: relative;
  background-color: var(--color-back-dark);
  overflow: hidden;
}
.frontpage-mv::before {
  z-index: 4;
  content: "";
  position: absolute;
  display: block;
  width: 100%;
  height: 150px;
  background: linear-gradient(
    to bottom,
    rgb(252 245 236 / 100%),
    rgb(252 245 236 / 0%)
  );
  top: 0;
  left: 0;
}

.frontpage-mv__copy {
  padding: 190px 0 0 150px;
  position: relative;
  width: fit-content;
}
.frontpage-mv__copy::after {
  content: "";
  position: absolute;
  display: block;
  background-image: url(../images/index/mv_back_pc.png);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  width: 393px;
  height: 278px;
  top: 130px;
  right: -200px;
  z-index: 1;
}
.frontpage-mv__copy h2 {
  letter-spacing: 0.15em;
  line-height: 1.5;
  font-weight: 700;
  position: relative;
  z-index: 2;
  font-size: 48px;
  margin-bottom: 40px;
}
.frontpage-mv__copy h2 span {
  font-size: 38px;
}
.frontpage-mv__deco {
  position: relative;
}
.frontpage-mv__deco::after {
  content: "";
  position: absolute;
  display: block;
  background-image: url(../images/index/mv_copy_deco.png);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  height: 29px;
  width: 26px;
  top: -15px;
  right: -20px;
}
.frontpage-mv__copy h3 {
  font-size: 20px;
  line-height: 2;
  letter-spacing: 0.15em;
  position: relative;
  z-index: 2;
}
.frontpage-mv__copy h3 span {
  font-size: 16px;
}
.frontpage-mv__wave {
  width: 100%;
  color: var(--color-back-light);
  position: absolute;
  bottom: 0;
  left: 0;
  z-index: 3;
}

.frontpage-mv__photo {
  display: flex;
  flex-direction: column;
  gap: 30px;
  max-width: 600px;
  width: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
  will-change: transform;
  position: absolute;
  top: 0;
  right: 100px;
  z-index: 2;
}
.frontpage-mv__photo li {
  flex-shrink: 0;
  width: 100%;
}
.frontpage-mv__photo img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 15px;
}

.frontpage-mv__backtext {
  width: 100%;
  overflow: hidden;
  position: absolute;
  bottom: 90px;
  left: 0;
  z-index: 1;
}
.frontpage-mv__backtext p {
  display: flex;
  align-items: center;
  width: max-content;
  margin: 0;
  padding: 0;
  white-space: nowrap;
  will-change: transform;
  color: #fae8e0;
  font-weight: 700;
  font-size: 200px;
}
.frontpage-mv__backtext-item {
  display: block;
  flex-shrink: 0;
  padding-right: 0.3em;
}
.frontpage-banner {
  position: absolute;
  width: 340px;
  bottom: 20px;
  left: 20px;
  z-index: 5;
}
.frontpage-banner__sp {
  display: none;
}
@media (max-width: 1300px) {
  .frontpage-mv__copy {
    padding: 190px 0 0 50px;
  }
  .frontpage-mv__photo {
    max-width: 500px;
    right: 50px;
  }
}
@media screen and (max-width: 1140px) {
  .frontpage-mv {
    height: 100dvh;
  }
  .frontpage-mv__photo {
    flex-direction: row;
    width: max-content;
    position: relative;
    max-width: 100%;
    margin: 60px 0 0;
  }
  .frontpage-mv__photo li {
    width: min(78vw, 360px);
  }
  .frontpage-mv__backtext {
    bottom: 0;
  }
  .frontpage-mv__backtext p {
    line-height: 1;
  }
  .frontpage-banner__pc {
    display: none;
  }
  .frontpage-banner {
    position: static;
  }
  .frontpage-banner__sp {
    width: 100%;
    padding: 15px 20px;
    display: flex;
    justify-content: left;
  }
  .frontpage-banner__sp img {
    width: auto;
    max-width: 400px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .frontpage-mv__photo {
    transform: none !important;
  }
}
@media (max-width: 767px) {
  .frontpage-mv {
    height: 737px;
  }
  .frontpage-mv__photo {
    gap: 15px;
  }
  .frontpage-mv__photo li {
    width: 300px;
  }
  .frontpage-mv__copy {
    padding: 130px 20px 0;
    width: 100%;
  }
  .frontpage-mv__copy h2 {
    font-size: 34px;
    margin-bottom: 20px;
  }
  .frontpage-mv__copy h2 span {
    font-size: 24px;
  }
  .frontpage-mv__copy h3 {
    font-size: 16px;
  }
  .frontpage-mv__copy h3 span {
    font-size: 12px;
  }
  .frontpage-mv__backtext p {
    font-size: 120px;
  }
  .frontpage-mv__copy::after {
    width: 325px;
    height: 231px;
    top: 200px;
    right: -40px;
    z-index: 1;
  }
  .frontpage-banner__sp {
    padding: 60px 20px 15px;
  }
}

/* ========================================
  　強み・理念
======================================== */
.frontpage-philosophy {
  padding-top: 100px;
  position: relative;
}
.frontpage-philosophy__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.frontpage-philosophy__point {
  position: relative;
  z-index: 3;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: center;
  gap: 40px;
  border-right: var(--color-border-beige) solid 1px;
  padding: 100dvh 50px 20px;
  min-width: 760px;
}
.frontpage-philosophy__card {
  width: calc((100% - 40px) / 2);
  max-width: 310px;
  background-color: var(--color-white);
  border: var(--color-border-beige) solid 1px;
  border-radius: 20px;
  padding: 25px 30px 30px;
  box-shadow: 0 0 3px rgb(232, 217, 218);
}
.frontpage-philosophy__card.fade-delay-1 {
  transition-delay: 0.05s;
}

.frontpage-philosophy__card.fade-delay-2 {
  transition-delay: 0.1s;
}

.frontpage-philosophy__card.fade-delay-3 {
  transition-delay: 0.15s;
}

.frontpage-philosophy__card.fade-delay-4 {
  transition-delay: 0.2s;
}
.frontpage-philosophy__card:nth-of-type(2) {
  margin-top: 165px;
}
.frontpage-philosophy__card:nth-of-type(3) {
  margin-top: -165px;
}
.frontpage-philosophy__title {
  font-size: 28px;
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: var(--color-border-beige) solid 1px;
  letter-spacing: 0.1em;
}
.frontpage-philosophy__title span {
  font-size: 16px;
}
.frontpage-philosophy__info {
  font-size: 12px;
  color: var(--text-sub-color);
  line-height: 1.8;
  min-height: 4lh;
  margin-bottom: 30px;
}
.frontpage-philosophy__copy {
  padding: 35px 0 200px 70px;
  position: sticky;
  top: 120px;
  overflow: hidden;
  align-self: start;
}
.frontpage-philosophy__copy p {
  font-size: 20px;
  letter-spacing: 0.15em;
  line-height: 2;
  font-weight: 700;
  position: relative;
  z-index: 2;
}
.frontpage-philosophy__copy::after {
  content: "";
  display: block;
  position: absolute;
  z-index: 1;
  background-image: url("../images/index/philosophy_back_pc.png");
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  width: 566px;
  height: 401px;
  top: 30px;
  right: -45px;
}
.frontpage-business__wave {
  width: 100%;
  color: var(--color-green-back);
  position: absolute;
  bottom: 0;
  left: 0;
}
@media (max-width: 1140px) {
  .frontpage-philosophy__point {
    min-width: 0;
    flex-direction: column;
    align-items: center;
    padding-right: 20px;
    padding-left: 20px;
  }
  .frontpage-philosophy__card {
    max-width: 310px;
    width: 100%;
  }
  .frontpage-philosophy__card:nth-of-type(even) {
    margin-left: auto;
  }
  .frontpage-philosophy__card:nth-of-type(odd) {
    margin-right: auto;
  }
  .frontpage-philosophy__card:nth-of-type(2),
  .frontpage-philosophy__card:nth-of-type(3) {
    margin-top: 0;
  }
  .frontpage-philosophy__copy {
    min-width: 455px;
    padding-left: 40px;
    padding-right: 20px;
  }
  .frontpage-philosophy__copy p {
    font-size: 18px;
  }
}
@media (max-width: 767px) {
  .frontpage-philosophy {
    padding-top: 80px;
    position: relative;
  }
  .frontpage-philosophy__inner {
    display: flex;
    flex-direction: column-reverse;
  }
  .frontpage-philosophy__copy {
    min-width: 0;
    width: 100%;
    padding: 0 20px 60px;
    position: relative;
    top: 0;
  }
  .frontpage-philosophy__copy p {
    font-size: 16px;
  }
  .frontpage-philosophy__copy::after {
    background-image: url("../images/index/philosophy_back_sp.png");
    width: 325px;
    height: 231px;
    bottom: 70px;
    top: auto;
    right: -45px;
  }
  .frontpage-philosophy__point {
    width: 100%;
    padding-top: 0;
    border: none;
    gap: 30px;
  }
  .frontpage-philosophy__title {
    font-size: 24px;
  }
  .frontpage-philosophy__info {
    min-height: 0;
  }
}

/* ========================================
  　事業内容
======================================== */
.frontpage-business {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  align-items: start;
  width: 100%;
  background: var(--color-green-back);
  padding: 120px 0 175px;
}
.frontpage-business .frontpage-heading__sub {
  color: var(--color-green);
}
.frontpage-business__sidebar {
  position: sticky;
  top: 120px;
  overflow: hidden;
  background: var(--color-green-back);
}
.frontpage-business__sidebar-inner {
  padding: 60px 0 0 50px;
}
.frontpage-business .frontpage-heading__sub::after {
  background: url("../images/common/deco__green.png") center center / contain
    no-repeat;
}
.frontpage-business__nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.frontpage-business__nav li + li {
  margin-top: 20px;
}
.frontpage-business__nav a {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #938a87;
  font-size: 16px;
  font-weight: 700;
  transition:
    color 0.3s ease,
    transform 0.3s ease;
  transform: translateX(25px);
}
.frontpage-business__nav a:hover {
  color: var(--color-green);
}
.frontpage-business__nav a.is-active {
  color: var(--color-green);
  transform: translateX(8px);
  padding-left: 0;
}
.frontpage-business__nav a.is-active::before {
  content: "";
  display: block;
  width: 5px;
  height: 5px;
  background: var(--color-green);
  border-radius: 50%;
}
.frontpage-business__contents-inner {
  padding: 0 50px 0 80px;
  border-radius: 40px 0 0 40px;
  background: #fff;
}
.frontpage-business__section {
  scroll-margin-top: 120px;
  display: flex;
  gap: 60px;
  align-items: center;
}
.frontpage-business__section#front-system {
  padding-top: 120px;
}
.frontpage-business__section#front-design,
.frontpage-business__section#front-consulting {
  margin-top: 60px;
  padding-top: 60px;
  border-top: var(--color-border-beige) solid 1px;
}
.frontpage-business__section#front-consulting {
  padding-bottom: 120px;
}
.frontpage-business__section > picture img {
  width: 250px;
  border-radius: 15px;
}
.frontpage-business__section > div {
  flex: 1;
}
.frontpage-business__section > div h3 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.15em;
}
.frontpage-business__section > div h3 span {
  color: var(--color-green);
}
.frontpage-business__section > div > p {
  margin: 35px 0 0;
  font-weight: 400;
  line-height: 1.8;
}
.button-box__2column {
  display: flex;
  gap: 20px;
}
@media (max-width: 1140px) {
  .frontpage-business {
    display: block;
  }
  .frontpage-business__sidebar {
    position: static;
    height: auto;
  }
  .frontpage-business__nav {
    display: none;
  }
  .frontpage-business__sidebar-inner {
    padding: 10px 0 0 50px;
  }
  .frontpage-business__contents {
    padding-left: 50px;
  }
  .frontpage-business__contents-inner {
    padding: 0 50px;
  }
  .frontpage-business__section#front-design,
  .frontpage-business__section#front-consulting {
    margin-top: 80px;
    padding-top: 80px;
  }
  .frontpage-business__section#front-system {
    padding-top: 80px;
  }
  .frontpage-business__section#front-consulting {
    padding-bottom: 80px;
  }
}
@media (max-width: 767px) {
  .frontpage-business {
    padding: 60px 0 80px;
  }
  .frontpage-business__sidebar-inner {
    padding: 10px 0 0 20px;
  }
  .frontpage-business__contents {
    padding-left: 20px;
  }
  .frontpage-business__contents-inner {
    padding: 0 20px;
    border-radius: 30px 0 0 30px;
  }
  .frontpage-business__section {
    display: block;
  }
  .frontpage-business__section#front-design,
  .frontpage-business__section#front-consulting {
    margin-top: 60px;
    padding-top: 60px;
  }
  .frontpage-business__section#front-system {
    padding-top: 60px;
  }
  .frontpage-business__section#front-consulting {
    padding-bottom: 60px;
  }
  .frontpage-business__section > h3 {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 0.15em;
    line-height: 1.8;
    margin-bottom: 35px;
  }
  .frontpage-business__section > h3 span {
    color: var(--color-green);
  }
  .frontpage-business__section > picture img {
    max-width: 370px;
    width: 100%;
  }
  .frontpage-business__section > div {
    width: 100%;
  }
  .frontpage-business__section > div > p {
    margin: 45px 0 40px;
  }
  .button-box__2column {
    gap: 15px;
  }
  .button-box__2column .common-button {
    width: 159px;
  }
}

/* ========================================
  　自社開発プロダクト
======================================== */
.frontpage-product {
  position: relative;
  padding: 65px 0 175px;
  background-color: var(--color-back-dark);
}
.frontpage-product::before {
  content: "";
  display: block;
  width: 100%;
  height: 56px;
  border-radius: 60px 60px 0 0;
  position: absolute;
  top: -55px;
  left: 0;
  background-color: var(--color-back-dark);
}
.frontpage-product .co-product-list {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 40px;
}
.frontpage-product .co-product-list li {
  width: calc((100% - 80px) / 3);
}
.frontpage-product .co-product-list li a {
  transition: 0.3s ease;
}
.frontpage-product .co-product-list li a:hover {
  opacity: 0.5;
}
.frontpage-product .co-product-list dt {
  display: grid;
  place-items: center;
  height: 150px;
  border-radius: 15px;
  box-shadow:
    0 0 3px rgba(247, 234, 218, 1),
    0 0 3px rgba(247, 234, 218, 1),
    0 0 3px rgba(247, 234, 218, 1);
  text-align: center;
  background: var(--color-back-light);
  padding: 10px;
}
.frontpage-product .co-product-list dt img {
  max-width: 200px;
  width: 100%;
}
.frontpage-product .co-product-list dd {
  margin-top: 10px;
  font-weight: var(--font-weight-regular);
  font-size: 12px;
}
@media screen and (max-width: 767px) {
  .frontpage-product {
    padding: 40px 0 80px;
  }
  .frontpage-product::before {
    height: 21px;
    top: -20px;
    border-radius: 20px 20px 0 0;
  }
  .frontpage-product .co-product-list {
    gap: 30px;
  }
  .frontpage-product .co-product-list li {
    width: 100%;
    max-width: 500px;
  }
  .frontpage-product .co-product-list dt {
    height: 113px;
  }
  .frontpage-product .co-product-list dt img {
    max-width: 155px;
  }
}
/* ========================================
  　お役立ち情報
======================================== */
.frontpage-blog {
  position: relative;
  z-index: 2;
}
.frontpage-blog__wave {
  width: 100%;
  color: var(--color-blue-back);
}
.frontpage-blog__main {
  background-color: var(--color-blue-back);
  padding: 110px 0 175px;
}
.frontpage-blog__main h2 {
  letter-spacing: 0.15em;
  line-height: 1.5;
  font-size: 32px;
  margin-bottom: 60px;
}
@media (max-width: 767px) {
  .frontpage-blog__main {
    padding: 60px 0 80px;
  }
}

/* スライダー部分 */
.blogslider {
  padding-left: 50px;
}
.blogslider-slider {
  margin-left: max(24px, calc((100vw - var(--content-width)) / 2 + 24px));
}
.blogslider-slider .slick-list {
  overflow: visible;
}
.blogslider-slider .slick-track {
  display: flex;
}
.blogslider-slider .slick-slide {
  height: auto;
  margin-right: var(--gap);
}
.blogslider-slider .slick-slide > div {
  height: 100%;
}
.blogslider-card {
  height: 100%;
  overflow: hidden;
  border-radius: var(--card-radius);
  background: #fff;
  box-shadow: 0 6px 18px rgb(38 50 70 / 8%);
  margin-right: 40px;
}

.blogslider-card a {
  display: flex;
  height: 100%;
  color: inherit;
  text-decoration: none;
  flex-direction: column;
}
.blogslider-card .thumbnail img {
  display: block;
  aspect-ratio: 350 / 228;
  object-fit: cover;
}
.blogslider-card__body {
  min-height: 170px;
  padding: 24px 24px 28px;
}
.blogslider-card time {
  display: block;
  margin-bottom: 14px;
  color: var(--color-gray-light);
}
.blogslider-card h3 {
  display: -webkit-box;
  overflow: hidden;
  margin: 0;
  font-size: 18px;
  line-height: 1.75;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.blogslider-navigation {
  display: grid;
  margin: 40px auto 0;
  padding: 0 50px;
  align-items: center;
  grid-template-columns: minmax(180px, 1fr) auto 250px;
  gap: 38px;
}
.blogslider-progress {
  position: relative;
  height: 28px;
  cursor: pointer;
  touch-action: none;
}
.blogslider-progress::before {
  position: absolute;
  top: 50%;
  right: 0;
  left: 0;
  height: 3px;
  background: var(--color-border-blue);
  content: "";
  transform: translateY(-50%);
}
.blogslider-progress__bar {
  position: absolute;
  top: 50%;
  left: 0;
  width: 20%;
  height: 6px;
  border-radius: 10px;
  background: var(--color-blue);
  transform: translate(0, -50%);
  transition:
    width 0.3s ease,
    transform 0.3s ease;
}
.blogslider-arrows {
  display: flex;
  gap: 14px;
}
.blogslider-arrow {
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  width: 45px;
  height: 45px;
  cursor: pointer;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}
.blogslider-arrow__prev {
  background-image: url(../images/index/blogslider_prev.svg);
}
.blogslider-arrow__next {
  background-image: url(../images/index/blogslider_next.svg);
}
.blogslider-arrow:hover:not(:disabled) {
  transform: translateY(-2px);
}
.blogslider-arrow:focus-visible,
.blogslider-progress:focus-visible,
.blogslider-list-link:focus-visible {
  outline: 3px solid #2b69d1;
  outline-offset: 4px;
}
.blogslider-arrow:disabled {
  cursor: default;
  opacity: 0.35;
}
.blogslider-navigation .common-button {
  margin-left: auto;
}
@media (max-width: 767px) {
  .frontpage-blog__main h2 {
    font-size: 20px;
    line-height: 1.8;
    margin-bottom: 40px;
  }
  .blogslider {
    padding-left: 20px;
  }
  .blogslider-navigation {
    display: flex;
    flex-wrap: wrap;
    padding: 0 20px;
    gap: 40px 30px;
  }
  .blogslider-progress {
    width: calc(100% - 30px - 105px);
  }
  .blogslider-navigation .common-button {
    margin: 0 auto;
  }
  .blogslider-card {
    margin-right: 30px;
  }
}
/* ./スライダー部分 */

/* ========================================
  　会社概要(私たちについて)
======================================== */
.frontpage-company {
  padding: 65px 0 120px;
  position: relative;
  z-index: 3;
}
.frontpage-company::before {
  content: "";
  position: absolute;
  display: block;
  height: 56px;
  width: 100%;
  background-color: var(--color-back-light);
  top: -55px;
  left: 0;
  border-radius: 60px 60px 0 0;
}
.frontpage-company > img {
  position: absolute;
  width: calc((100% - 200px) / 2);
  max-width: 600px;
  top: 100px;
  right: 0;
  border-radius: 40px 0 0 40px;
}
.frontpage-company .wrapper > p {
  font-size: 18px;
  line-height: 1.8;
  margin-bottom: 50px;
  width: calc(100% - 400px);
}
@media (max-width: 767px) {
  .frontpage-company {
    padding: 40px 0 60px;
  }
  .frontpage-company::before {
    height: 21px;
    top: -20px;
    border-radius: 20px 20px 0 0;
  }
  .frontpage-company .wrapper {
    width: 100%;
    padding-left: 20px;
  }
  .frontpage-company .wrapper > p {
    font-size: 14px;
    margin: 40px 0;
    width: 100%;
    padding-right: 20px;
  }
  .frontpage-company .wrapper > img {
    width: 100%;
    border-radius: 20px 0 0 20px;
  }
}

/* ========================================
  　お知らせ
======================================== */
.frontpage-news .wrapper {
  display: flex;
  gap: 80px;
  align-items: flex-start;
  margin-bottom: 120px;
}
.frontpage-news__heading {
  width: fit-content;
}
.frontpage-news__list {
  flex: 1;
  border-bottom: var(--color-border-beige) solid 1px;
}
.frontpage-news__list a {
  display: flex;
  align-items: center;
  position: relative;
  padding: 25px 0;
  border-top: var(--color-border-beige) solid 1px;
}
.frontpage-news__list a > time {
  width: 95px;
  font-size: 12px;
}
.frontpage-news__list a > span {
  width: 100%;
  padding-right: 80px;
  flex: 1;
  transition: 0.3s;
}
.frontpage-news__list a img {
  position: absolute;
  top: calc(50% - 15px);
  right: 0;
  transition: transform 0.3s ease;
  width: 30px;
}
.frontpage-news__list a:hover > span {
  color: var(--color-main);
}
.frontpage-news__list a:hover img {
  transform: scale(1.35);
}
@media (max-width: 767px) {
  .frontpage-news .wrapper {
    flex-direction: column;
    gap: 0;
  }
  .frontpage-news__list {
    width: 100%;
    margin-bottom: 40px;
  }
  .frontpage-news__list a {
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
    padding: 15px 0;
  }
  .frontpage-news__list a > time {
    font-size: 14px;
  }
  .frontpage-news .common-button {
    margin: 0 auto;
  }
}