.c-sust-mat {
  padding-bottom: 80px;
}

.c-sust-mat-mv {
  padding: 0 20px;
}
@media (max-width: 767px) {
  .c-sust-mat-mv {
    padding-top: 40px;
  }
}

.c-sust-mat-mv__title {
  max-width: 1080px;
  margin: 0 auto 60px;
}
@media (max-width: 767px) {
  .c-sust-mat-mv__title {
    max-width: 100%;
  }
}

.c-sust-mat-lead {
  position: relative;
  margin-bottom: 100px;
  display: inline-block;
}
@media (max-width: 767px) {
  .c-sust-mat-lead {
    margin-bottom: 70px;
  }
}

.c-sust-mat-lead__inner {
  display: flex;
  flex-direction: column;
  gap: 30px;
  position: relative;
  z-index: 1;
}

.c-sust-mat-lead::before {
  content: "";
  position: absolute;
  width: 308px;
  height: 798px;
  background: url("/corp/sustainability/materiality/img/img_lead_left.png") no-repeat center / contain;
  top: -70px;
  left: -330px;
}
@media (max-width: 767px) {
  .c-sust-mat-lead::before {
    max-width: 102px;
    height: 454px;
    left: -14vw;
    top: 50%;
    transform: translateY(-50%);
    background-image: url("/corp/sustainability/materiality/img/img_lead_left_sp.png");
    background-position: center top;
  }
}

.c-sust-mat-lead::after {
  content: "";
  position: absolute;
  width: 312px;
  height: 711px;
  background: url("/corp/sustainability/materiality/img/img_lead_right.png") no-repeat center / contain;
  top: 40px;
  right: -330px;
}
@media (max-width: 767px) {
  .c-sust-mat-lead::after {
    max-width: 94px;
    height: 477px;
    right: -14vw;
    top: 50%;
    transform: translateY(-50%);
    background-image: url("/corp/sustainability/materiality/img/img_lead_right_sp.png");
    background-position: center top;
  }
}
@media (max-width: 400px) {
  .c-sust-mat-lead::before {
    left: -20vw;
  }
  .c-sust-mat-lead::after {
    right: -22vw;
  }
}

.c-sust-mat-goal {
  background:
    url("/corp/sustainability/materiality/img/bg_goal_head.jpg") no-repeat top center / 100% auto,
    url("/corp/sustainability/materiality/img/bg_goal_bottom.jpg") no-repeat bottom center / 100% auto,
    #f7f3d2;
  padding-top: 130px;
  padding-bottom: 120px;
}
@media (max-width: 767px) {
  .c-sust-mat-goal {
    padding: 70px 0;
  }
}

.c-sust-mat-goal__title {
  margin-bottom: 30px;
}
@media (max-width: 480px) {
  .c-sust-mat-goal__title {
    max-width: 322px;
    margin-left: auto;
    margin-right: auto;
  }
}

.c-sust-mat-goal__image {
  max-width: 633px;
  margin: 0 auto 20px;
}
@media (max-width: 767px) {
  .c-sust-mat-goal__image {
    max-width: 100%;
  }
}

.c-sust-mat-goal__text {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 60px;
}
@media (max-width: 767px) {
  .c-sust-mat-goal__text {
    margin-bottom: 20px;
  }
}

.c-sust-mat-goal__text p {
  font-size: 14px;
}
@media (max-width: 767px) {
  .c-sust-mat-goal__text p {
    font-size: 12px;
  }
}

.c-sust-mat-intro {
  padding: 60px 20px 0;
  margin-bottom: 0;
}

.c-sust-mat-intro__title {
  margin-block-end: 30px;
}
@media (max-width: 480px) {
  .c-sust-mat-intro__title {
    max-width: 253px;
    margin-left: auto;
    margin-right: auto;
  }
}

.c-sust-mat-intro__text {
  margin-bottom: 40px;
}

.c-sust-mat-intro__image-caption,
.c-sust-mat-intro__figure-caption {
  display: none;
}

.c-sust-mat-intro__figure {
  margin-bottom: 50px;
}
@media (max-width: 767px) {
  .c-sust-mat-intro__figure {
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }
}

.c-sust-mat-tab {
  max-width: 1100px;
  margin: 0 auto 60px;
}
@media (max-width: 767px) {
  .c-sust-mat-tab {
    max-width: 100%;
    margin-bottom: 40px;
  }
  .l-sust .c-sust-mat-tab {
    max-width: none;
    margin-inline: -20px;
    width: calc(100% + 40px);
  }
}

.c-sust-mat-tab__list {
  display: flex;
  gap: 10px;
  list-style: none;
  padding: 0;
  margin: 0;
  align-items: flex-start;
}
@media (max-width: 767px) {
  .c-sust-mat-tab__list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    padding: 20px;
    border-radius: 0;
    background: #d7e7f4;
  }
  .c-sust-mat-tab:has(.c-sust-mat-tab__btn--02.is-active) .c-sust-mat-tab__list {
    background: #e3f0e1;
  }
  .c-sust-mat-tab:has(.c-sust-mat-tab__btn--03.is-active) .c-sust-mat-tab__list {
    background: #efd1cf;
  }
  .c-sust-mat-tab:has(.c-sust-mat-tab__btn--04.is-active) .c-sust-mat-tab__list {
    background: #fdeec6;
  }
  .c-sust-mat-tab:has(.c-sust-mat-tab__btn--05.is-active) .c-sust-mat-tab__list {
    background: #e0d7ca;
  }
}

.c-sust-mat-tab__btn {
  flex: 1 1 0;
  min-width: 0;
  font-size: 14px;
  line-height: 1.5;
  text-align: center;
  white-space: nowrap;
  height: 56px;
  padding: 0;
  display: flex;
  align-items: stretch;
  justify-content: stretch;
  border-radius: 20px 20px 0 0;
  cursor: pointer;
  transition: opacity 0.3s;
  position: relative;
}

.c-sust-mat-tab__btn__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 0 10px;
  background: transparent;
  border: none;
  border-radius: inherit;
  color: inherit;
  font: inherit;
  text-align: inherit;
  line-height: inherit;
  cursor: pointer;
}

@media (max-width: 767px) {
  .c-sust-mat-tab__btn__inner::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 10px;
    transform: translateY(-50%);
    width: 6px;
    height: 8px;
    background-color: currentColor;
    clip-path: polygon(0 0, 100% 50%, 0 100%);
  }
}
@media (max-width: 1050px) {
  .c-sust-mat-tab__btn {
    font-size: 12px;
  }
}
@media (max-width: 800px) {
  .c-sust-mat-tab__btn {
    font-size: 11px;
  }
}
@media (max-width: 767px) {
  .c-sust-mat-tab__btn {
    border-radius: 10px;
    height: auto;
    min-height: 56px;
    padding: 0;
    white-space: normal;
    font-size: 12px;
  }
}
@media (max-width: 428px) {
  .c-sust-mat-tab__btn {
    font-size: 10px;
  }
}

.c-sust-mat-tab__btn--01:not(.is-active) {
  background-color: rgba(215, 231, 244, 0.5);
}
@media (max-width: 767px) {
  .c-sust-mat-tab__btn--01:not(.is-active) {
    background-color: rgba(14, 109, 168, 0.5);
  }
}

.c-sust-mat-tab__btn--02:not(.is-active) {
  background-color: rgba(227, 240, 225, 0.5);
}
@media (max-width: 767px) {
  .c-sust-mat-tab__btn--02:not(.is-active) {
    background-color: rgba(16, 108, 116, 0.5);
  }
}

.c-sust-mat-tab__btn--03:not(.is-active) {
  background-color: rgba(239, 209, 207, 0.5);
}
@media (max-width: 767px) {
  .c-sust-mat-tab__btn--03:not(.is-active) {
    background-color: rgba(181, 38, 38, 0.5);
  }
}

.c-sust-mat-tab__btn--04:not(.is-active) {
  background-color: rgba(253, 238, 198, 0.5);
}
@media (max-width: 767px) {
  .c-sust-mat-tab__btn--04:not(.is-active) {
    background-color: rgba(133, 112, 1, 0.5);
  }
}

.c-sust-mat-tab__btn--05:not(.is-active) {
  background-color: rgba(224, 215, 202, 0.5);
}
@media (max-width: 767px) {
  .c-sust-mat-tab__btn--05:not(.is-active) {
    background-color: rgba(103, 17, 16, 0.5);
  }
}

@media (hover: hover) and (min-width: 768px) {
  .c-sust-mat-tab__btn:hover {
    opacity: 1;
  }
}

.c-sust-mat-tab__btn.is-active {
  z-index: 1;
}

.c-sust-mat-tab__btn--01 {
  background: #d7e7f4;
  color: #0d6da8;
}
@media (max-width: 767px) {
  .c-sust-mat-tab__btn--01 {
    background: #0e6da8;
    color: #fff;
  }
}

.c-sust-mat-tab__btn--02 {
  background: #e3f0e1;
  color: #106c74;
}
@media (max-width: 767px) {
  .c-sust-mat-tab__btn--02 {
    background: #106c74;
    color: #fff;
  }
}

.c-sust-mat-tab__btn--03 {
  background: #efd1cf;
  color: #b42727;
}
@media (max-width: 767px) {
  .c-sust-mat-tab__btn--03 {
    background: #b52626;
    color: #fff;
  }
}

.c-sust-mat-tab__btn--04 {
  background: #fdeec6;
  color: #867100;
}
@media (max-width: 767px) {
  .c-sust-mat-tab__btn--04 {
    background: #857001;
    color: #fff;
  }
}

.c-sust-mat-tab__btn--05 {
  background: #e0d7ca;
  color: #671010;
}
@media (max-width: 767px) {
  .c-sust-mat-tab__btn--05 {
    background: #671110;
    color: #fff;
  }
}

.c-sust-mat-tab__panels {
  margin-top: 0;
}

.c-sust-mat-tab__panel {
  display: none;
  padding: 30px 30px 60px;
  min-height: 200px;
  border-radius: 0 0 20px 20px;
}
@media (max-width: 767px) {
  .c-sust-mat-tab__panel {
    border-radius: 0;
    padding-top: 10px;
  }
}

.c-sust-mat-tab__panel.is-active {
  display: block;
}

.c-sust-mat-tab__panel--01 {
  background: #d7e7f4;
}

.c-sust-mat-tab__panel--02 {
  background: #e3f0e1;
}

.c-sust-mat-tab__panel--03 {
  background: #efd1cf;
}

.c-sust-mat-tab__panel--04 {
  background: #fdeec6;
}

.c-sust-mat-tab__panel--05 {
  background: #e0d7ca;
}

.c-sust-mat-panel__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}
@media (max-width: 700px) {
  .c-sust-mat-panel__list {
    grid-template-columns: 1fr;
    gap: 60px;
  }
}

.c-sust-mat-panel__list:has(> .c-sust-mat-panel__item:only-child) {
  grid-template-columns: 1fr;
  max-width: 511px;
  margin-inline: auto;
}

.c-sust-mat-panel__item > a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  aspect-ratio: 511 / 344;
  padding: 30px;
  background-size: cover;
  background-position: center;
  color: #fff;
  text-decoration: none;
  text-align: center;
  position: relative;
  border-radius: 12px;
  overflow: visible;
  transition: opacity 0.2s;
}

@media (hover: hover) and (min-width: 768px) {
  .c-sust-mat-panel__item > a:hover {
    opacity: 0.6;
  }
}
@media (max-width: 767px) {
  .c-sust-mat-panel__item > a {
    aspect-ratio: 4 / 2.5;
  }
}

.c-sust-mat-panel__item--01 > a {
  background-image: url("/corp/sustainability/materiality/img/img_panels_01.png");
}

.c-sust-mat-panel__item--02 > a {
  background-image: url("/corp/sustainability/materiality/img/img_panels_02.png");
}

.c-sust-mat-panel__item--03 > a {
  background-image: url("/corp/sustainability/materiality/img/img_panels_03.png");
}

.c-sust-mat-panel__item--04 > a {
  background-image: url("/corp/sustainability/materiality/img/img_panels_04.png");
}

.c-sust-mat-panel__item--05 > a {
  background-image: url("/corp/sustainability/materiality/img/img_panels_05.png");
}

.c-sust-mat-panel__item--06 > a {
  background-image: url("/corp/sustainability/materiality/img/img_panels_06.png");
}

.c-sust-mat-panel__item--07 > a {
  background-image: url("/corp/sustainability/materiality/img/img_panels_07.png");
}

.c-sust-mat-panel__label {
  font-size: 20px;
  margin: 0 0 20px;
}
@media (max-width: 900px) {
  .c-sust-mat-panel__label {
    margin-bottom: 10px;
  }
}

.c-sust-mat-panel__textarea {
  font-size: 14px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 0;
}
@media (max-width: 900px) {
  .c-sust-mat-panel__textarea {
    gap: 10px;
  }
}

.c-sust-mat-panel__textarea p {
  margin: 0;
  line-height: 1.6;
}

.c-sust-mat-panel__item .c-sust-arrow {
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translate(-50%, 50%);
  margin-top: 0;
}
@media (max-width: 900px) {
  .c-sust-mat-panel__item .c-sust-arrow {
    width: 50px;
    height: 55px;
  }
  .c-sust-mat-panel__item .c-sust-arrow img {
    width: 25px;
    height: 20px;
  }
}

.c-sust-back {
  padding-bottom: 0;
}