@charset "UTF-8";
@import 'variables.css';

html, body {
  overflow-x: hidden;
}
.p-about__mv {
  position: relative;
}
.p-about__image {
  width: 100%;
  height: auto;
}
.p-why-otoliv {
  margin-top: 15rem;
}
.p-why-otoliv__container {
  max-width: 1140px;
  margin: 0 auto;
}
.p-cases {
  margin-top: 5rem;
}
.p-cases__container {
  max-width: 1140px;
  width: 100%;
  margin: 0 auto;
}
.p-elements {
  margin-top: 20rem;
  position: relative;
}
.p-elements::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  background-image: url(../img/about/bg-icon--elements.svg);
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  width: 17.78%;
  height: auto;
  aspect-ratio: 256 / 351;
}
.p-elements__top::after {
  content: "";
  position: absolute;
  right: 0;
  top: 460px;
  background-image: url(../img/about/bg-icon--elements-bottom.svg);
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  width: 18.05%;
  height: auto;
  aspect-ratio: 260 / 351;
}
.p-elements__title {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: -50px;
}
.p-elements__top {
  padding-top: 13rem;
  background: var(--light-yellow);
}
.p-elements__image {
  width: 100%;
  position: relative;
  z-index: var(--layer-content);
}
.p-elements__box {
  position: relative;
}
.p-elements__background-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 300px;
  z-index: var(--layer-behind-content);
}
.p-elements__points {
  position: relative;
  padding-top: 3rem;
  display: flex;
  justify-content: center;
  gap: 3rem;
  align-items: center;
}
.p-elements__point {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 700;
  font-size: 3rem;
  line-height: 1;
  letter-spacing: 0.02em;
  text-align: center;
  min-width: 250px;
  min-height: 60px;
  background: var(--white);
  border: 3px solid var(--red);
  border-radius: 30px;
}
.p-elements__cycle {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  margin-top: 5rem;
}
.p-elements__order {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 700;
  font-size: 3.6rem;
  line-height: 1;
  letter-spacing: 0.02em;
  text-align: center;
}
.p-elements__order--first {
  color: var(--red);
}
.p-elements__order--second {
  color: var(--yellow-secondary);
}
.p-elements__order--third {
  color: var(--blue);
}
.p-elements__divider {
  width: 10px;
  height: 20px;
}
.p-elements__points-container {
  max-width: 990px;
  width: 100%;
  padding: 0 2rem;
  margin: 0 auto;
}
.p-elements__points-list {
  margin-top: 26.5rem;
}
.p-elements-point-item:first-child {
  padding-bottom: 8rem;
  border-bottom: 1px solid var(--light-gray);
  margin-bottom: 8rem;
}
.p-elements-point-item__label {
  display: inline-block;
  padding: 0.6rem 2rem;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  line-height: 100%;
  letter-spacing: 0.02em;
  color: var(--white);
  background: var(--red);
  border-radius: 26px;
}
.p-elements-point-item__top {
  margin-top: 1rem;
  display: flex;
  justify-content: space-between;
  gap: 4rem;
}
.p-elements-point-item__title {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 700;
  font-size: 3.2rem;
  line-height: 1.5;
  letter-spacing: 0.02em;
  width: calc((100% - 4rem) / 2);
}
.p-elements-point-item__title-emphasis {
  color: var(--red);
}
.p-elements-point-item__description {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 400;
  font-size: 1.6rem;
  line-height: 1.85;
  letter-spacing: 0.02em;
  color: var(--text-gray);
  width: calc((100% - 4rem) / 2);
}
.p-elements-point-item__image {
  margin-top: 5.5rem;
  width: 100%;
}
.p-elements-point-item__3columns {
  margin-top: 5rem;
  display: flex;
  gap: 2rem;
}
.p-elements-point-item__3columns--mt40 {
  margin-top: 4rem;
}
.p-elements-point-item__column {
  width: calc((100% - 4rem) / 3);
  background: var(--light-yellow);
  padding: 3.16%;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.p-elements-point-item__number {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 3rem;
  line-height: 1;
  text-align: center;
  color: var(--red);
}
.p-elements-point-item__subheading {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 700;
  font-size: 2rem;
  line-height: 1.2;
  text-align: center;
  margin-top: 1rem;
}
.p-elements-point-item__text {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 400;
  font-size: 1.6rem;
  line-height: 1.5;
  color: var(--text-gray);
  margin-top: 2.5rem;
}
.p-elements-point-item__column-image {
  margin-top: 2.5rem;
}
.p-elements-point-item__subtitle {
  margin-top: 6rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 700;
  font-size: 2.8rem;
  line-height: 1.35;
  letter-spacing: 0.02em;
}
.p-elements-point-item__subtitle-emphasis {
  color: var(--red);
}
.p-elements-point-item__decoration {
  width: 16px;
  height: 39px;
}
.p-support {
  margin-top: 21.5rem;
  padding-top: 16.5rem;
  padding-bottom: 13rem;
  position: relative;
  background: var(--light-yellow);
}
.p-support__title {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: -50px;
}
.p-support__container {
  max-width: 1180px;
  width: 100%;
  margin: 0 auto;
  padding: 0 2rem;
}
.p-support__top {
  display: flex;
  gap: 2rem;
}
.p-support-item {
  width: calc((100% - 4rem) / 3);
  background: var(--white);
  padding: 3rem 2.5rem;
}
.p-support-item__image {
  width: 100%;
}
.p-support-item__label {
  display: flex;
  justify-content: center;
  align-items: center;
  max-width: 180px;
  width: 100%;
  min-height: 30px;
  margin: 2rem auto 0;
  background: var(--red);
  color: var(--white);
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 700;
  font-size: 1.6rem;
  line-height: 1;
  letter-spacing: 0.04em;
  text-align: center;
  padding: 0.5rem 0;
  border-radius: 60px;
}
.p-support-item__title {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 700;
  font-size: 2.4rem;
  line-height: 1.5;
  letter-spacing: 1.33px;
  text-align: center;
  margin-top: 0.5rem;
}
.p-support-item__title-emphasis {
  color: var(--red);
}
.p-support-item__text {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 400;
  font-size: 1.6rem;
  line-height: 1.8;
  letter-spacing: 1.33px;
  color: var(--text-gray);
  margin-top: 1rem;
}
.p-support__bottom {
  margin-top: 8rem;
}
.p-support-heading {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
}
.p-support-heading__decoration {
  width: 16px;
  height: 39px;
}
.p-support-heading__text {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 700;
  font-size: 2.8rem;
  line-height: 1.35;
  letter-spacing: 0.02em;
}
.p-support-heading__emphasis {
  color: var(--red);
}
.p-support__outside-item-list {
  margin-top: 4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}
.p-outside-support-item {
  width: calc((100% - 2rem) / 2);
  background: var(--white);
  display: flex;
  gap: 2.5rem;
  padding: 3rem 2.5rem;
}
.p-outside-support-item--sp {
  display: none;
}
.p-outside-support-item__image {
  width: 100%;
  max-width: 140px;
  height: fit-content;
}
.p-outside-support-item__label {
  padding: 0 2rem;
  background: var(--red);
  color: var(--white);
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  line-height: 1;
  letter-spacing: 0.04em;
  text-align: center;
  border-radius: 60px;
  min-height: 25px;
  width: fit-content;
  display: flex;
  justify-content: center;
  align-items: center;
}
.p-outside-support-item__title {
  margin-top: 0.5rem;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 700;
  font-size: 2rem;
  line-height: 1.5;
  letter-spacing: 1.33px;
}
.p-outside-support-item__title-emphasis {
  color: var(--red);
}
.p-outside-support-item__text {
  margin-top: 1rem;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 400;
  font-size: 1.6rem;
  line-height: 1.55;
  letter-spacing: 0.04em;
  color: var(--text-gray);
}

.p-about-voice {
  background: var(--red);
  padding: 10rem 0;
}
.p-about-voice__slider {
  margin-top: 4rem;
}
.p-about-voice__slider-wrapper {
  align-items: center;
}
.p-about-voice-slide-item {
  background: var(--white);
  padding: 3rem;
}
.p-about-voice-slide-item.swiper-slide-active {
  padding: 4rem;
}
.p-about-voice-slide-item__container {
  display: flex;
  gap: 3rem;
}
.p-about-voice-slide-item.swiper-slide-active .p-about-voice-slide-item__container {
  gap: 5rem;
}
.p-about-voice-slide-item__image {
  flex-shrink: 0;
}
.p-about-voice-slide-item__image img {
  max-width: 250px;
  width: 100%;
}
.p-about-voice-slide-item.swiper-slide-active .p-about-voice-slide-item__image img {
  max-width: 300px;
}
.p-about-voice-slide-item__content {
  flex-grow: 1;
}
.p-about-voice-slide-item__label {
  padding: 1rem 2rem;
  background: var(--red);
  color: var(--white);
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  text-align: center;
  vertical-align: middle;
  display: inline-block;
  border-radius: 50px;
}
.p-about-voice-slide-item.swiper-slide-active .p-about-voice-slide-item__label {
  font-size: 1.6rem;
}
.p-about-voice-slide-item__heading {
  margin-top: 1.5rem;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 700;
  font-size: 2.4rem;
  line-height: 1.5;
}
.p-about-voice-slide-item.swiper-slide-active .p-about-voice-slide-item__heading {
  font-size: 2.8rem;
}
.p-about-voice-slide-item__text {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 400;
  font-size: 1.4rem;
  line-height: 1.8;
  vertical-align: middle;
  margin-top: 2rem;
  color: var(--text-gray);
}
.p-about-voice-slide-item.swiper-slide-active .p-about-voice-slide-item__text {
  font-size: 1.6rem;
}
.p-about-voice__navigation {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  margin-top: 4rem;
}
.p-about-voice__button-prev,
.p-about-voice__button-next {
  position: relative;
  top: auto;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 0;
}
.p-about-voice__button-prev {
  left: auto;
}
.p-about-voice__button-next {
  right: auto;
}
.p-about-voice__button-prev::after,
.p-about-voice__button-next::after {
  display: none;
}
.p-about-voice__button-prev svg,
.p-about-voice__button-next svg {
  width: 10px;
  height: 16px;
}
.p-about-voice__pagination.swiper-pagination {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  width: auto;
  bottom: 0;
}
.p-about-voice__pagination .swiper-pagination-bullet {
  width: 7.2px;
  height: 7.2px;
  background: var(--white);
  opacity: 1;
  margin: 0!important;
}
.p-about-voice__pagination .swiper-pagination-bullet-active {
  width: 12px;
  height: 12px;
  background: var(--black);
}
.p-about-voice__link {
  display: flex;
  justify-content: center;
  margin-top: 4rem;
}
.p-about-lesson {
  padding: 10rem 0;
  background-image: url(../img/about/bg-about-lesson.webp);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}
.p-about-lesson__content {
  margin-top: 6rem;
}
.p-about-lesson__list {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}
.p-about-lesson-item {
  max-width: 1140px;
  width: 100%;
  margin: 0 auto;
  background: var(--white);
  padding: 4rem;
  display: flex;
  gap: 6rem;
  align-items: center;
}
.p-about-lesson-item__image {
  flex-shrink: 0;
}
.p-about-lesson-item__image img {
  max-width: 320px;
  width: 100%;
}
.p-about-lesson-item__title {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 700;
  font-size: 2.4rem;
  letter-spacing: 0.02em;
}
.p-about-lesson-item__text {
  margin-top: 2rem;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 400;
  font-size: 1.6rem;
  line-height: 1.65;
  color: var(--text-gray);
}
.p-about-lesson-item__links {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
}
.p-about-lesson-item__link {
  width: 320px;
  height: 75px;
  border: 6px solid var(--border-gray-secondary);
  display: flex;
  align-items: center;
  padding-left: 2.4rem;
  color: var(--text-gray);
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 700;
  font-size: 1.8rem;
  line-height: 1.2;
  position: relative;
}
.p-about-lesson-item__link--large {
  height: 85px;
}
.p-about-lesson-item__link::before {
  content: "";
  position: absolute;
  right: 60px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 40px;
  background: var(--text-gray);
  opacity: 0.6;
}
.p-about-lesson-item__link::after {
  content: "";
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  width: 17px;
  height: 14px;
  background-image: url(../img/common/arrow-right--black.svg);
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}
.p-about-lesson-item__icon {
  margin-right: 1.5rem;
}
.p-about-area {
  padding: 13rem 0;
}
.p-about-area__box {
  display: flex;
  align-items: center;
  gap: 8rem;
}
.p-about-area__image {
  flex: 1;
}
.p-about-area__image img {
  max-width: 650px;
  width: 100%;
}
.p-about-area__content {
  flex: 1;
  max-width: 430px;
  width: 100%;
}
.p-about-area__heading {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 700;
  font-size: 3.2rem;
  line-height: 1.55;
  letter-spacing: 0.02em;
}
.p-about-area__heading--red {
  color: var(--red);
}
.p-about-area__text {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 400;
  font-size: 2rem;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: var(--text-gray);
  margin-top: 3rem;
}
.p-about-area__note {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 400;
  font-size: 1.4rem;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: var(--text-gray-tertiary);
  margin-top: 3rem;
}
.p-flow {
  background: var(--light-yellow);
  position: relative;
  padding: 0 2rem;
  margin-top: 19rem;
}
.p-flow__title {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: -50px;
}
.p-flow__container {
  max-width: 1140px;
  width: 100%;
  margin: 0 auto;
  padding-top: 20.5rem;
  padding-bottom: 13rem;
}
.p-key-numbers {
  position: relative;
  background-image: url(../img/about/bg-key-numbers.webp);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  padding-top: 9rem;
  padding-bottom: 9rem;
}
.p-key-numbers__content {
  margin-top: 5.5rem;
}
.p-key-numbers__box {
  max-width: 840px;
  width: 100%;
  margin: 0 auto;
  background: var(--white);
  display: grid;
  grid-template-columns: repeat(2,1fr);
  padding: 6rem;
  position: relative;
}
.p-key-numbers-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}
/* 上段 */
.p-key-numbers-item:nth-child(-n+2) {
  padding-bottom: 4.7rem;
  border-bottom: 1px solid #E4E4E4;
}
/* 下段 */
.p-key-numbers-item:nth-child(n+3) { 
  padding-top: 5.2rem;
}
.p-key-numbers-item:nth-child(odd) {
  padding-right: 4.5rem;
}
.p-key-numbers-item:nth-child(even) {
  padding-left: 4.5rem;
  border-left: 1px solid #E4E4E4;
}
.p-key-numbers-item__tag {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  max-width: 210px;
  width: 100%;
  background: var(--red);
  color: var(--white);
  font-size: 1.6rem;
  letter-spacing: 0.04em;
  padding: 0.3rem 2rem 0.4rem;
  border-radius: 60px;
  margin: 0 auto 1.6rem;
  position: relative;
}
.p-key-numbers-item__tag::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 100%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-width: 12px 7px 0 7px;
  border-style: solid;
  border-color: var(--red) transparent transparent transparent;
}
.p-key-numbers-item__box {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
}
.p-key-numbers-item__number {
  color: var(--red);
  font-size: 6rem;
  font-family: "Inter", sans-serif;
  font-weight: 700;
  line-height: 6rem;
  display: inline-block;
  height: 60px;
}
.p-key-numbers-item__unit {
  color: var(--red);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
}
.p-key-numbers-item__description {
  margin-top: 3.2rem;
  font-size: 1.6rem;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: 0.02em;
  color: var(--text-gray);
}
.p-about-faq {
  padding: 13rem 0;
}
.p-about-faq__text {
  font-size: 1.6rem;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 400;
  font-size: 1.6rem;
  line-height: 1.85;
  letter-spacing: 0.02em;
  text-align: center;
  margin-top: 1.5rem;
}
.p-about-faq__button {
  margin: 4.2rem auto 0;
  padding-left: 6.4rem;
}
@media screen and (max-width: 1023px) {
  .p-elements__top::after {
    display: none;
  }
  .p-outside-support-item {
    flex-direction: column;
  }
  .p-key-numbers__content {
    margin-left: 3rem;
    margin-right: 3rem;
  }
  .p-key-numbers-item__number {
    font-size: 4rem;
  }
}
@media screen and (max-width: 767px) {
  .p-why-otoliv {
    margin-top: 8rem;
  }
  .p-cases {
    margin: 4rem 0.5rem 0;
  }
  .p-cases__container {
    padding: 0 2rem;
  }
  .p-elements {
    margin-top: 10rem;
  }
  .p-elements::before {
    top: -120px;
    background-image: url(../img/about/bg-icon-sp--elements.svg);
    width: 15.65%;
    aspect-ratio: 61 / 161;
  }
  .p-elements__title {
    top: -25px;
  }
  .p-elements__top {
    padding-top: 11rem;
  }
  .p-elements__background-image {
    height: 141px;
  }
  .p-elements__points {
    padding-top: 0.7rem;
    gap: 1.2rem;
  }
  .p-elements__point {
    font-size: 1.2rem;
    min-width: 100px;
    min-height: 24px;
    border-width: 1.2px;
  }
  .p-elements__points svg {
    width: 22px;
    height: 22px;
  }
  .p-elements__cycle {
    margin-top: 2rem;
    gap: 0.8rem;
  }
  .p-elements__order {
    font-size: 1.4rem;
  }
  .p-elements__divider {
    width: 4px;
    height: 8px;
  }
  .p-elements__points-container {
    padding: 0 2.5rem;
  }
  .p-elements__points-list {
    margin-top: 11.5rem;
  }
  .p-elements-point-item:first-child {
    padding-bottom: 4rem;
    margin-bottom: 4rem;
  }
  .p-elements-point-item__label {
    font-size: 1.2rem;
    padding: 0.5rem 2rem;
  }
  .p-elements-point-item__top {
    flex-direction: column;
    gap: 2rem;
  }
  .p-elements-point-item__title {
    width: 100%;
    font-size: 2rem;
  }
  .p-elements-point-item__description {
    width: 100%;
    font-size: 1.4rem;
  }
  .p-elements-point-item__image {
    margin-top: 4rem;
  }
  .p-elements-point-item__3columns {
    margin-top: 4rem;
    flex-direction: column;
    gap: 1rem;
  }
  .p-elements-point-item__3columns--mt40 {
    margin-top: 2rem;
  }
  .p-elements-point-item__column {
    width: 100%;
    padding: 2.5rem;
  }
  .p-elements-point-item__number {
    font-size: 2.4rem;
  }
  .p-elements-point-item__subheading {
    margin-top: 0.5rem; 
    font-size: 1.8rem;
  }
  .p-elements-point-item__text {
    margin-top: 1.5rem;
    font-size: 1.3rem;
  }
  .p-elements-point-item__subtitle {
    margin-top: 4rem;
    gap: 1rem;
    font-size: 1.5rem;
  }
  .p-elements-point-item__decoration {
    width: 12px;
    height: 28px;
  }
  .p-elements-point-item__column-image {
    margin-top: 1.5rem;
  }
  .p-support {
    margin-top: 12.5rem;
    padding-top: 8.5rem;
    padding-bottom: 6rem;
  }
  .p-support__title {
    top: -25px;
  }
  .p-support__container {
    padding: 0 2.5rem;
  }
  .p-support__top {
    flex-direction: column;
  }
  .p-support-item {
    width: 100%;
    padding: 3rem;
  }
  .p-support-item__label {
    font-size: 1.2rem;
  }
  .p-support-item__title {
    font-size: 2rem;
  }
  .p-support-item__text {
    font-size: 1.4rem;
    margin-top: 2rem;
  }
  .p-support__bottom {
    margin-top: 4rem;
  }
  .p-support-heading {
    gap: 1rem;
  }
  .p-support-heading__decoration {
    width: 12px;
    height: 28px;
  }
  .p-support-heading__text {
    font-size: 1.5rem;
  }
  .p-support__outside-item-list {
    margin-top: 2rem;
    flex-direction: column;
  }
  .p-outside-support-item {
    width: 100%;
    padding: 3rem;
  }
  .p-outside-support-item__image {
    max-width: 80px;
  }
  .p-outside-support-item--pc {
    display: none;
  }
  .p-outside-support-item--sp {
    display: block;
  }
  .p-outside-support-item__container {
    display: flex;
    gap: 1.5rem;
  }
  .p-outside-support-item__label {
    font-size: 1.2rem;
  }
  .p-outside-support-item__title {
    font-size: 1.6rem;
  }
  .p-outside-support-item__text {
    margin-top: 2rem;
    font-size: 1.4rem;
  }
  .p-about-voice {
    padding: 8rem 0;
  }
  .p-about-voice-slide-item__container {
    flex-direction: column;
    gap: 2.5rem;
  }
  .p-about-voice-slide-item,
  .p-about-voice-slide-item.swiper-slide-active {
    padding: 2rem;
  }
  .p-about-voice-slide-item__image img {
    max-width: 230px;
  }
  .p-about-voice-slide-item.swiper-slide-active .p-about-voice-slide-item__image img {
    max-width: 100%;
  }
  .p-about-voice-slide-item.swiper-slide-active .p-about-voice-slide-item__container {
    gap: 2.5rem;
  }
  .p-about-voice-slide-item__label,
  .p-about-voice-slide-item.swiper-slide-active .p-about-voice-slide-item__label {
    font-size: 1.2rem;
    padding: 0.5rem 2rem;
  }
  .p-about-voice-slide-item__heading,
  .p-about-voice-slide-item.swiper-slide-active .p-about-voice-slide-item__heading {
    font-size: 2rem;
  }
  .p-about-voice-slide-item__text {
    display: none;
  }
  .p-about-voice__navigation {
    gap: 2.5rem;
  }
  .p-about-voice__button-prev,
  .p-about-voice__button-next {
    width: 40px;
    height: 40px;
  }
  .p-about-voice__button-prev svg,
  .p-about-voice__button-next svg {
    width: 8px;
    height: 12px;
  }
  .p-about-voice__pagination.swiper-pagination {
    gap: 0.8rem;
  }
  .p-about-voice__pagination .swiper-pagination-bullet {
    width: 6px;
    height: 6px;
  }
  .p-about-voice__pagination .swiper-pagination-bullet-active {
    width: 10px;
    height: 10px;
  }
  .p-about-lesson {
    padding: 8rem 0;
    background-image: url(../img/about/bg-about-lesson--sp.webp);
  }
  .p-about-lesson__content {
    margin-top: 4rem;
  }
  .p-about-lesson__list {
    margin: 0 0.5rem;
  }
  .p-about-lesson-item {
    flex-direction: column;
    gap: 2rem;
    padding: 2.5rem;
  }
  .p-about-lesson-item__title {
    font-size: 2rem;
  }
  .p-about-lesson-item__text {
    font-size: 1.4rem;
  }
  .p-about-lesson-item__link {
    width: 100%;
    height: 65px;
    font-size: 1.6rem;
    border: 4px solid var(--border-gray-secondary);
    padding-left: 1.6rem;
  }
  .p-about-lesson-item__link::before {
    height: 3.4rem;
    right: 45px;
  }
  .p-about-lesson-item__link::after {
    width: 12px;
    height: 10px;
    right: 16px;
  }
  .p-about-lesson-item__icon {
    width: 24px;
  }
  .p-about-area {
    padding: 8rem 0;
  }
  .p-about-area__box {
    flex-direction: column;
    gap: 4rem;
  }
  .p-about-area__heading {
    font-size: 2.4rem;
  }
  .p-about-area__text {
    font-size: 1.6rem;
    margin-top: 2rem;
  }
  .p-about-area__note {
    margin-top: 2rem;
    font-size: 1.2rem;
  }
  .p-flow {
    margin-top: 3.5rem;
  }
  .p-flow__title {
    top: -25px;
  }
  .p-flow__container {
    padding-top: 10.5rem;
    padding-bottom: 8rem;
  }
  .p-key-numbers {
    background-image: url(../img/about/bg-key-numbers--sp.webp);
  }
  .p-key-numbers__content {
    margin-left: 0;
    margin-right: 0;
  }
  .p-key-numbers__box {
    background: none;
    margin: 0 30px;
    display: flex;
    flex-direction: column;
    padding: 0;
    max-width: calc(100% - 6rem);
  }
  .p-key-numbers .p-key-numbers-item {
    background: var(--white);
    padding: 3rem 3rem 0;
    border-bottom: none;
  }
  .p-key-numbers .p-key-numbers-item:first-child {
    padding-top: 4.5rem;
  }
  .p-key-numbers-item:last-child .p-key-numbers-item__description {
    border-bottom: none;
    padding-bottom: 6rem;
  }
  .p-key-numbers-item:nth-child(even) {
    border-left: none;
  }
  .p-key-numbers-item__tag {
    font-size: 1.5rem;
  }
  .p-key-numbers-item__tag::after {
    border-width: 12px 5px 0 5px;
  }
  .p-key-numbers-item__description {
    padding-bottom: 3rem;
    border-bottom: 1px solid #E4E4E4;
    margin-top: 1.5rem;
    font-size: 1.4rem;
  }
  .p-key-numbers-item__number {
    font-size: 4.4rem;
  }
  .p-key-numbers-item__unit {
    font-size: 2rem;
  }
  .p-about-faq {
    padding: 8rem 0;
  }
  .p-about-faq__container {
    padding: 0 1.5rem;
  }
  .p-about-faq__text {
    font-size: 1.4rem;
    margin-top: 1rem;
  }
  .p-about-faq__button {
    margin: 3rem auto 0;
  }
}