*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body,
h1,
h2,
h3,
h4,
h5,
h6,
ul,
ol,
dl,
li,
dt,
dd,
p,
div,
span,
img,
a,
table,
tr,
th,
td {
  border: 0;
  font-size: 100%;
  font-weight: normal;
  margin: 0;
  padding: 0;
  vertical-align: baseline;
}

header,
footer,
nav,
section,
article,
main,
aside,
figure,
figcaption {
  display: block;
}

ol,
ul {
  list-style: none;
}

img {
  height: auto;
  max-width: 100%;
  vertical-align: middle;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  background: transparent;
  border: none;
  box-shadow: none;
  cursor: pointer;
  font: inherit;
  margin: 0;
  padding: 0;
}

input,
select,
textarea {
  color: inherit;
  font: inherit;
  vertical-align: top;
}

html {
  font-size: min(1.25vw, 16px);
}

body {
  color: #000000;
  font-weight: 400;
  line-height: normal;
  overflow-x: hidden;
  position: relative;
  width: 100%;
  max-width: 100%;
}

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

a {
  color: inherit;
}

.l-inner {
  margin-inline: auto;
  max-width: 1280px;
  padding-inline: 2.5rem;
  width: 100%;
}

.l-inner__hero {
  height: 100%;
  position: relative;
}

.l-inner__movie {
  height: 100%;
  padding-inline: 5.3125rem;
  position: relative;
}

.l-inner__business {
  padding-inline: 5.3125rem;
}

.l-inner__value {
  padding-inline: 5.3125rem;
}

.l-inner__support {
  padding-inline: 9.875rem;
}

.l-inner__kanri-service {
  padding-left: 6.125rem;
  padding-right: 6.8125rem;
}

.l-inner__interior-service {
  padding-inline: 9.875rem;
}

.l-inner__strength {
  padding-inline: 4.125rem;
  text-align: center;
}

.l-inner__content {
  padding-inline: 13rem;
}

.l-inner__download {
  padding-inline: 7rem;
}

.l-inner__message {
  padding-inline: 5.3125rem;
}

.l-inner__example {
  padding-inline: 7.0625rem;
}

.l-inner__company {
  padding-inline: 6.0625rem;
}

.l-inner__licenses {
  padding-inline: 6.0625rem;
}

.l-inner__ir-hero {
  padding-inline: 19.75rem;
}

.l-inner__ir-links {
  padding-left: 10.0625rem;
  padding-right: 14.4375rem;
}

.l-inner__index-about {
  padding-inline: 6.25rem;
}

.l-inner__history-content {
  padding-inline: 0;
}

.l-inner__history-content-item {
  padding-inline: 2.5rem;
  position: relative;
}

.l-inner__history-content-item.--red::after {
  background-color: #fff0f0;
  bottom: 0;
  content: "";
  left: calc((100% - 100vw) / 2);
  position: absolute;
  top: 0;
  width: 100vw;
  z-index: -1;
}

.c-btn__round {
  align-items: center;
  background: #f62837;
  border: 0.1875rem solid;
  border-color: #ffffff;
  border-radius: 1.875rem;
  box-shadow: 0 0.25rem 0.25rem 0 rgba(0, 0, 0, 0.25);
  cursor: pointer;
  display: flex;
  justify-content: center;
  padding: 0.5rem 3.125rem 0.375rem 1.875rem;
  text-decoration: none;
  transition: all 0.3s;
  width: -moz-fit-content;
  width: fit-content;
}

.c-btn__round span {
  color: #ffffff;
  font-size: 0.875rem;
  font-weight: 700;
  position: relative;
}

.c-btn__round span::after {
  background: url(../img/icon/ico_circle-arrow-right.svg) no-repeat center
    center/cover;
  content: "";
  height: 1.5rem;
  position: absolute;
  right: -2.125rem;
  top: 50%;
  transform: translateY(-50%);
  transition: transform 0.15s ease;
  width: 1.5rem;
}

.c-btn__round.--blue {
  background: #1d6cf0;
}

.c-btn__round.--orange {
  background: #ff8144;
}

.c-btn__round-white {
  align-items: center;
  background: #fff;
  border-color: #ffffff;
  border-radius: 1.875rem;
  box-shadow: 0 0.25rem 0.25rem 0 rgba(0, 0, 0, 0.25);
  cursor: pointer;
  display: flex;
  height: 2.6875rem;
  justify-content: center;
  padding-left: 2.5rem;
  padding-right: 3.3125rem;
  text-decoration: none;
  transition: all 0.3s;
  width: -moz-fit-content;
  width: fit-content;
}

.c-btn__round-white span {
  color: #ffffff;
  font-size: 0.875rem;
  font-weight: 700;
  position: relative;
}

.c-btn__round-white span::after {
  content: "";
  height: 1.5rem;
  position: absolute;
  right: -2.5625rem;
  top: 50%;
  transform: translateY(-50%);
  transition: transform 0.15s ease;
  width: 1.5rem;
}

.c-btn__round-white.--blue span {
  color: #1d6cf0;
}

.c-btn__round-white.--blue span::after {
  background: url(../img/icon/ico_circle-arrow-right-blue.svg) no-repeat center
    center/cover;
}

.c-btn__round-white.--orange span {
  color: #ff8144;
}

.c-btn__round-white.--orange span::after {
  background: url(../img/icon/ico_circle-arrow-right-orange.svg) no-repeat
    center center/cover;
}

.c-cta {
  display: flex;
  gap: 3.25rem;
  justify-content: center;
}

.c-cta-card {
  border: 0.1875rem solid #fff;
  border-radius: 1.25rem;
  box-shadow: 0 0.25rem 0.25rem 0 rgba(0, 0, 0, 0.25);
  padding: 1.1875rem 1.0625rem 0.9375rem;
  width: 21.125rem;
}

.c-cta-card.--blue {
  background: #1d6cf0;
}

.c-cta-card.--orange {
  background: #ff8144;
}

.c-btn__card.--green {
  background: #3cc57c;
}

.c-cta-card__title {
  color: #ffffff;
  display: flex;
  font-size: 2rem;
  font-weight: 700;
  line-height: normal;
  margin-inline: auto;
  padding-left: 1.1875rem;
  position: relative;
  width: -moz-fit-content;
  width: fit-content;
}

.c-cta-card__title::after {
  content: "";
  height: 2.125rem;
  left: -1.6875rem;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 2.125rem;
}

.c-cta-card__title.--blue::after {
  background: url(../img/icon/ico_consult_white.svg) no-repeat center
    center/cover;
}

.c-cta-card__title.--orange::after {
  background: url(../img/icon/ico_work_white.svg) no-repeat center center/cover;
}

.c-cta-card__btn-wrapper {
  display: flex;
  justify-content: center;
  margin-top: 1.75rem;
}

.c-cta-card__btn {
  align-items: center;
  border-radius: 1.875rem;
  box-shadow: 0 0.25rem 0.25rem 0 rgba(0, 0, 0, 0.25);
  cursor: pointer;
  display: flex;
  justify-content: center;
  padding: 0.4375rem 3.3125rem 0.4375rem 1.5rem;
  text-decoration: none;
  transition: all 0.3s;
  width: -moz-fit-content;
  width: fit-content;
}

.c-cta-card__btn span {
  font-size: 1.25rem;
  font-weight: 700;
  position: relative;
}

.c-cta-card__btn span::after {
  content: "";
  height: 1.5rem;
  position: absolute;
  right: -2.375rem;
  top: 50%;
  transform: translateY(-50%);
  transition: transform 0.15s ease;
  width: 1.5rem;
}

.c-cta-card__btn.--blue {
  background: #fff;
}

.c-cta-card__btn.--blue span {
  color: #1d6cf0;
}

.c-cta-card__btn.--blue span::after {
  background: url(../img/icon/ico_circle-arrow-right-blue.svg) no-repeat center
    center/cover;
}

.c-cta-card__btn.--orange {
  background: #fff;
}

.c-cta-card__btn.--orange span {
  color: #ff8144;
}

.c-cta-card__btn.--orange span::after {
  background: url(../img/icon/ico_circle-arrow-right-orange.svg) no-repeat
    center center/cover;
}

.c-philosophy-title {
  color: #f62837;
}

.c-philosophy-title h2 {
  font-size: 3rem;
  font-weight: 700;
  line-height: normal;
}

.c-philosophy-title span {
  display: inline-block;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: normal;
  margin-top: 0.5625rem;
}

.c-sustainability-example-title {
  display: inline-block;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.1875;
  padding-left: 2.3125rem;
  position: relative;
}

.c-sustainability-example-title::before {
  background-color: #ff8144;
  border-radius: 0.71875rem;
  content: "";
  height: 1.4375rem;
  left: 0;
  position: absolute;
  top: 0.5rem;
  width: 1.4375rem;
}

.c-sustainability-example-item__card-title {
  display: inline-block;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.2;
  margin-top: 2rem;
  padding-left: 0.8125rem;
  position: relative;
}

.c-sustainability-example-item__card-title::before {
  background-color: #ff8144;
  content: "";
  height: 1.25rem;
  left: 0;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 0.1875rem;
}

.u-hidden {
  display: none;
}

.u-visually-hidden {
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
  clip: rect(0, 0, 0, 0);
  border: 0;
  white-space: nowrap;
}

@media (any-hover: hover) {
  .c-btn__round:hover {
    transform: translateY(-1px);
    background: #d72130;
  }

  .c-btn__round.--blue:hover {
    background: #1556c0;
  }

  .c-btn__round.--orange:hover {
    background: #e86e32;
  }

  .c-btn__round-white:hover {
    transform: translateY(-1px);
  }

  .c-cta-card__btn:hover {
    transform: translateY(-1px);
  }
}

@media screen and (min-width: 769px) {
  .u-hidden-pc {
    display: none;
  }
}

@media screen and (max-width: 769px) {
  html {
    font-size: 4.2666666667vw;
  }

  .l-inner {
    padding-inline: 1.25rem;
  }

  .l-inner__content {
    padding-inline: 3.75rem;
  }

  .l-inner__history-content {
    padding-inline: 0;
  }

  .l-inner__history-content-item {
    padding-left: 2.5rem;
    padding-right: 1.25rem;
  }

  .c-btn__round-white {
    border-radius: 1.25rem;
    height: 2.25rem;
    padding-left: 1.5rem;
    padding-right: 2.5rem;
  }

  .c-btn__round-white span {
    font-size: 0.75rem;
  }

  .c-btn__round-white span::after {
    height: 1.25rem;
    right: -1.75rem;
    width: 1.25rem;
  }

  .c-cta {
    align-items: center;
    flex-direction: column;
    gap: 1.5rem;
  }

  .c-cta-card {
    border-radius: 1rem;
    max-width: 21.25rem;
    padding: 1rem 0.625rem 0.75rem;
    width: 100%;
  }

  .c-cta-card__title {
    font-size: 1.375rem;
    padding-left: 0.75rem;
  }

  .c-cta-card__title::after {
    height: 1.625rem;
    left: -1.125rem;
    width: 1.625rem;
  }

  .c-cta-card__btn-wrapper {
    margin-top: 1.125rem;
  }

  .c-cta-card__btn {
    border-radius: 1.375rem;
    padding: 0.4375rem 3rem 0.4375rem 2rem;
  }

  .c-cta-card__btn span {
    font-size: 1rem;
  }

  .c-cta-card__btn span::after {
    height: 1.125rem;
    right: -1.75rem;
    width: 1.125rem;
  }

  .c-philosophy-title h2 {
    font-size: 2.25rem;
  }

  .c-philosophy-title span {
    font-size: 1.25rem;
    margin-top: 0.625rem;
  }

  .c-sustainability-example-title {
    font-size: 1.25rem;
    padding-left: 1.5rem;
  }

  .c-sustainability-example-title::before {
    border-radius: 0.5rem;
    height: 1rem;
    top: 0.25rem;
    width: 1rem;
  }

  .c-sustainability-example-item__card-title {
    font-size: 1rem;
    margin-top: 1.5rem;
    padding-left: 0.75rem;
  }

  .c-sustainability-example-item__card-title::before {
    height: 1rem;
    width: 0.125rem;
  }

  .u-hidden-sp {
    display: none;
  }
}

@keyframes fadeInFromLeft {
  from {
    opacity: 0;
    transform: translateX(-1.25rem);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.js-fadeIn-from-left {
  opacity: 0;
  transform: translateX(-1.25rem);
}

.js-fadeIn-from-left.is-in-view {
  animation: fadeInFromLeft 1s 0s forwards;
}

.js-fadeIn-from-left.is-in-view.--delay100 {
  animation: fadeInFromLeft 1s 0.1s forwards;
}

.js-fadeIn-from-left.is-in-view.--delay200 {
  animation: fadeInFromLeft 1s 0.2s forwards;
}

.js-fadeIn-from-left.is-in-view.--delay300 {
  animation: fadeInFromLeft 1s 0.3s forwards;
}

.js-fadeIn-from-left.is-in-view.--delay400 {
  animation: fadeInFromLeft 1s 0.4s forwards;
}

.js-fadeIn-from-left.is-in-view.--delay500 {
  animation: fadeInFromLeft 1s 0.5s forwards;
}

@media screen and (max-width: 769px) {
  .js-fadeIn-from-left.is-in-view.--delay100 {
    animation: fadeInFromLeft 1s 0s forwards;
  }

  .js-fadeIn-from-left.is-in-view.--delay200 {
    animation: fadeInFromLeft 1s 0s forwards;
  }

  .js-fadeIn-from-left.is-in-view.--delay300 {
    animation: fadeInFromLeft 1s 0s forwards;
  }

  .js-fadeIn-from-left.is-in-view.--delay400 {
    animation: fadeInFromLeft 1s 0s forwards;
  }

  .js-fadeIn-from-left.is-in-view.--delay500 {
    animation: fadeInFromLeft 1s 0s forwards;
  }
}

@keyframes fade {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.js-fade {
  opacity: 0;
}

.js-fade.is-in-view {
  animation: fade 1s 0s forwards;
}

/* JSが有効なときのフラグを :root に付ける前提（下のJSで付与） */
.has-io .js-fadeIn-from-right {
  opacity: 0;
  transform: translateX(24px);
  will-change: transform, opacity;
}

/* 発火：同じ要素に .is-in が付いたらアニメ開始 */
.has-io .js-fadeIn-from-right.is-in {
  animation: fadeInFromRight 0.8s var(--delay, 0s) forwards;
}

/* キーフレーム（未定義なら追加） */
@keyframes fadeInFromRight {
  from {
    opacity: 0;
    transform: translateX(24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}