/* ======================================
  section-a1
========================================= */
.section-a1 {
  padding: 90px 0 84px;
  position: relative;
  background-color: #f7f7f7;
  z-index: 1;
}

.section-a1__heading h2 {
  margin-block: var(--leading-trim);
  font-family: "Shippori Mincho";
  font-size: 46px;
  font-weight: 600;
  letter-spacing: 0.05em;
  line-height: calc(70 / 46);
  text-align: center;
  color: #fff;
  text-shadow: 0 0 26px rgb(0 0 0 / 1);
}

.section-a1__sections {
  margin-top: 50px;
}

.section-a1__section {
  display: grid;
  grid-template-columns: calc(590 / 1020 * 100%) 1fr;
  grid-template-rows: auto 1fr;
  gap: 50px calc(50 / 1020 * 100%);
}

.section-a1__section + .section-a1__section {
  margin-top: 100px;
}

.section-a1__section-title {
  padding: 0 0.5em;
  grid-column: 1 / 3;
  grid-row: 1 / 2;
  border-radius: 10px;
  background-color: #535a5f;
  font-family: "Shippori Mincho";
  font-size: 30px;
  font-weight: 600;
  letter-spacing: 0.2em;
  line-height: calc(60 / 30);
  color: #fff;
  text-align: center;
}

.section-a1__section-img {
  grid-column: 1 / 2;
  grid-row: 2 / 3;
}

.section-a1__section-img {
  width: 100%;
  height: 100%;
  aspect-ratio: 590 / 327;
  object-fit: cover;
}

.section-a1__section-text {
  grid-column: 2 / 3;
  grid-row: 2 / 3;
}

.section-a1__section-text p {
  margin-block: var(--leading-trim);
  font-size: 16px;
  font-weight: 500;
  line-height: calc(36 / 16);
}

.section-a1__block {
  margin-top: 100px;
  padding: 58px 34px 50px;
  border-radius: 20px;
  background-color: #fff;
  box-shadow: 0 3px 46px rgb(0 0 0 / 0.05);
}

.section-a1__block-text1 p {
  margin-block: var(--leading-trim);
  font-family: "Shippori Mincho";
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.07em;
  line-height: calc(46 / 32);
  text-align: center;
}

.section-a1__block-items {
  margin-top: 38px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.section-a1__block-item {
  border-radius: 10px;
  background-color: #fff;
  border: 2px solid #535a5f;
  overflow: hidden;
}

.section-a1__block-header {
  padding: 5px 4px 7px;
  background-color: #535a5f;
}

.section-a1__block-text2 {
  font-size: 24px;
  font-weight: 700;
  line-height: calc(36 / 24);
  text-align: center;
  color: #fff;
}

.section-a1__block-body {
  padding: 20px 13px 26px;
}

.section-a1__block-img img {
  width: 100%;
  height: 100%;
  aspect-ratio: 275 / 123;
  object-fit: cover;
}

.section-a1__block-text3 {
  margin-top: 22px;
}

.section-a1__block-text3 p {
  margin-block: var(--leading-trim);
  font-size: 24px;
  font-weight: 700;
  line-height: calc(36 / 24);
  text-align: center;
}

.section-a1__arrow-text {
  margin-top: 90px;
  padding-bottom: 61px;
  position: relative;
}

.section-a1__arrow-text p {
  margin-block: var(--leading-trim);
  font-family: "Shippori Mincho";
  font-size: 38px;
  font-weight: 600;
  line-height: calc(61 / 38);
  text-align: center;
  color: #2554bf;
}

.section-a1__arrow-text::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  translate: -50%;
  width: 499px;
  aspect-ratio: 499 / 146.85;
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  background: linear-gradient(to bottom, transparent 0%, rgb(89 143 217 / 0.31) 100%);
  z-index: -1;
}

.section-a1__bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.section-a1__bg img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: top;
}

@media (max-width:767px) {
  .section-a1 {
    padding: 40px 0;
  }
  
  .section-a1__heading h2 {
    font-size: 28px;
  }
  
  .section-a1__sections {
    margin-top: 40px;
  }
  
  .section-a1__section {
    display: block;
  }
  
  .section-a1__section + .section-a1__section {
    margin-top: 40px;
  }
  
  .section-a1__section-title {
    font-size: 22px;
  }
  
  .section-a1__section-img {
    margin-top: 16px;
  }
  
  .section-a1__section-text {
    margin-top: 24px;
  }
  
  .section-a1__section-text p {
    font-size: 14px;
  }
  
  .section-a1__block {
    margin-top: 40px;
    padding: 24px 16px;
  }
  
  .section-a1__block-text1 p {
    font-size: 24px;
  }
  
  .section-a1__block-items {
    margin-top: 32px;
    display: block;
  }
  
  .section-a1__block-item + .section-a1__block-item {
    margin-top: 24px;
  }
  
  .section-a1__block-text2 {
    font-size: 20px;
  }
  
  .section-a1__block-body {
    padding: 16px;
  }
  
  .section-a1__block-text3 {
    margin-top: 24px;
  }
  
  .section-a1__block-text3 p {
    font-size: 18px;
  }
  
  .section-a1__arrow-text {
    margin-top: 64px;
    padding-bottom: 40px;
  }
  
  .section-a1__arrow-text p {
    font-size: 24px;
  }
  
  .section-a1__arrow-text::after {
    width: 300px;
  }
}

/* ======================================
  section-a2
========================================= */
.section-a2 {
  padding: 100px 0 70px;
  position: relative;
  z-index: 1;
}

.section-a2__heading {
  padding: 10px 0.5em;
  background-color: #2554bf;
  font-family: "Shippori Mincho";
  font-size: 34px;
  font-weight: 600;
  letter-spacing: 0.05em;
  line-height: calc(60 / 34);
  color: #fff;
  text-align: center;
}

.section-a2__wrap {
  margin: 53px auto 0;
  padding: 48px 16px;
  background-color: #fff;
  max-width: 1000px;
  border-radius: 10px;
  box-shadow: 0 3px 46px #ebf1fa;
}

.section-a2__text1 p {
  margin-block: var(--leading-trim);
  font-family: "Shippori Mincho";
  font-size: 29px;
  font-weight: 600;
  line-height: calc(40 / 29);
  color: #2554bf;
  text-align: center;
}

.section-a2__list {
  margin-top: 43px;
}

.section-a2__list-item {
  margin-inline: auto;
  padding-left: 37px;
  position: relative;
  max-width: fit-content;
  font-family: "Shippori Mincho";
  font-size: 20px;
  font-weight: 700;
  line-height: calc(44 / 20);
  color: #444;
}

.section-a2__list-item + .section-a2__list-item {
  margin-top: 20px;
}

.section-a2__list-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 32px;
  height: 1lh;
  background: url(../img/wisdomtooth/new/section-a2-list-icon.svg) no-repeat center center/contain;
}

.section-a2__text2 {
  margin-top: 47px;
}

.section-a2__text2 p {
  margin-block: var(--leading-trim);
  font-family: "Shippori Mincho";
  font-size: 38px;
  font-weight: 600;
  line-height: calc(61 / 38);
  color: #2554bf;
  text-align: center;
}

.section-a2__container {
  margin-top: 80px;
  display: grid;
  grid-template-columns: calc(350 / 1020 * 100%) 1fr;
  grid-template-rows: auto auto auto auto auto 1fr;
  gap: 0 40px;
}

.section-a2__text3 {
  grid-column: 2 / 3;
  grid-row: 1 / 2;
}

.section-a2__text3 p {
  padding: 10px 20px;
  background-color: #2554bf;
  max-width: fit-content;
  font-family: "Shippori Mincho";
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0.05em;
  line-height: 1.4;
  color: #fff;
}

.section-a2__img {
  grid-column: 1 / 2;
  grid-row: 1 / 7;
}

.section-a2__img img {
  display: block;
  width: 100%;
}

.section-a2__text4 {
  margin-top: 28px;
  grid-column: 2 / 3;
  grid-row: 2 / 3;
}

.section-a2__text4 h3 {
  margin-block: var(--leading-trim);
  font-family: "Shippori Mincho";
  font-size: 36px;
  font-weight: 600;
  letter-spacing: 0.05em;
  line-height: calc(60 / 36);
}

.section-a2__text5 {
  margin-top: 20px;
  grid-column: 2 / 3;
  grid-row: 3 / 4;
}

.section-a2__text5 p {
  margin-block: var(--leading-trim);
  font-size: 16px;
  font-weight: 500;
  line-height: calc(36 / 16);
}

.section-a2__text6 {
  margin-top: 50px;
  grid-column: 2 / 3;
  grid-row: 4 / 5;
}

.section-a2__text6 p {
  margin-block: var(--leading-trim);
  font-family: "Shippori Mincho";
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 0.05em;
  line-height: calc(60 / 24);
}

.section-a2__text6 span {
  background-image: linear-gradient(transparent 60%, #fff5ac 60%);
}

.section-a2__text7 {
  margin-top: 20px;
  grid-column: 2 / 3;
  grid-row: 5 / 6;
}

.section-a2__text7 p {
  margin-block: var(--leading-trim);
  font-size: 14px;
  font-weight: 500;
  line-height: calc(24 / 14);
}

.section-a2__items {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  grid-column: 2 / 3;
  grid-row: 6 / 7;
}

.section-a2__item {
  flex: 0 0 calc((100% - 20px * 2) / 3);
  aspect-ratio: 1;
  border-radius: 50%;
  background-color: rgb(139 224 245 / 0.6);
  display: grid;
  place-content: center;
  font-family: "Shippori Mincho";
  font-size: 24px;
  font-weight: 700;
  line-height: calc(32 / 24);
  color: #1f83af;
  text-align: center;
}

.section-a2__bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.section-a2__bg img {
  display: block;
  width: 100%;
  height: auto;
}

@media (max-width:767px) {
  .section-a2 {
    padding: 80px 0 40px;
  }
  
  .section-a2__heading {
    font-size: 24px;
    line-height: 1.4;
  }
  
  .section-a2__wrap {
    margin-top: 40px;
    padding: 24px 16px;
  }
  
  .section-a2__text1 p {
    font-size: 22px;
  }
  
  .section-a2__list {
    margin-top: 32px;
  }
  
  .section-a2__list-item {
    margin-inline: 0;
    padding-left: 32px;
    font-size: 16px;
  }
  
  .section-a2__list-item + .section-a2__list-item {
    margin-top: 16px;
  }
  
  .section-a2__list-item::before {
    width: 27px;
  }
  
  .section-a2__text2 {
    margin-top: 40px;
  }
  
  .section-a2__text2 p {
    font-size: 24px;
  }
  
  .section-a2__container {
    margin-top: 40px;
    display: block;
  }
  
  .section-a2__text3 p {
    max-width: 100%;
    font-size: 18px;
  }
  
  .section-a2__img {
    margin-top: 16px;
  }
  
  .section-a2__text4 {
    margin-top: 24px;
  }
  
  .section-a2__text4 h3 {
    font-size: 28px;
  }
  
  .section-a2__text5 {
    margin-top: 16px;
  }
  
  .section-a2__text5 p {
    font-size: 14px;
  }
  
  .section-a2__text6 {
    margin-top: 32px;
  }
  
  .section-a2__text6 p {
    font-size: 20px;
    line-height: 1.7;
  }
  
  .section-a2__text7 {
    margin-top: 24px;
  }
  
  .section-a2__text7 p {
    font-size: 14px;
  }
  
  .section-a2__items {
    margin-top: 24px;
    gap: 8px 20px;
    justify-content: center;
  }
  
  .section-a2__item {
    flex: 0 0 calc((100% - 20px) / 2);
    font-size: 20px;
  }
}

/* ======================================
  section-a3
========================================= */
.section-a3 {
  position: relative;
  z-index: 1;
}

.section-a3__heading {
  padding: 10px 0.5em;
  background-color: #2554bf;
  font-family: "Shippori Mincho";
  font-size: 34px;
  font-weight: 600;
  letter-spacing: 0.05em;
  line-height: calc(60 / 34);
  color: #fff;
  text-align: center;
}

.section-a3__container {
  padding: 80px 0 26px;
  position: relative;
  z-index: 1;
}

.section-a3__container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgb(244 244 244 / 0.7);
}

.section-a3__content {
  position: relative;
  z-index: 2;
}

.section-a3__text1 p {
  display: flex;
  align-items: center;
  gap: 20px;
  font-family: "Shippori Mincho";
  font-size: 28px;
  font-weight: 500;
  line-height: 1.2;
  color: #666;
}

.section-a3__text1 span {
  padding: 6.5px 0.5em;
  border-radius: 5px;
  background-color: #2554bf;
  min-width: 84px;
  font-size: 21px;
  font-weight: 700;
  line-height: 1;
  color: #fff;
  text-align: center;
}

.section-a3__text2 {
  margin-top: 10px;
}

.section-a3__text2 p {
  font-family: "Shippori Mincho";
  font-size: 38px;
  font-weight: 500;
  line-height: calc(55 / 38);
  color: #2554bf;
}

.section-a3__text3 {
  margin-top: 37px;
}

.section-a3__text3 p {
  margin-block: var(--leading-trim);
  font-size: 14px;
  font-weight: 500;
  line-height: calc(36 / 14);
}

.section-a3__text3 .bold {
  font-weight: 700;
}

.section-a3__text3 .color {
  color: #2554bf;
}

.section-a3__text3 .marker {
  background-color: #fff5ac;
}

.section-a3__wrap {
  margin-top: 50px;
  padding: 30px 40px;
  max-width: 752px;
  background-color: #fff;
}

.section-a3__text4 p {
  margin-block: var(--leading-trim);
  font-family: "Shippori Mincho";
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  color: #ccab4d;
}

.section-a3__list {
  margin-top: 30px;
}

.section-a3__list-item {
  margin-block: var(--leading-trim);
  padding-left: 37px;
  position: relative;
  font-family: "Shippori Mincho";
  font-size: 16px;
  font-weight: 600;
  line-height: calc(34 / 16);
  color: #707070;
}

.section-a3__list-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 17px;
  height: 1lh;
  background: url(../img/wisdomtooth/new/section-a3-list-icon.svg) no-repeat center center/contain;
}

.section-a3__list-item + .section-a3__list-item {
  margin-top: 10px;
}

.section-a3__text5 {
  margin-top: 30px;
}

.section-a3__text5 p {
  margin-block: var(--leading-trim);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
}

.section-a3__bg {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  z-index: 1;
}

.section-a3__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width:767px) {
  .section-a3__heading {
    font-size: 24px;
  }
  
  .section-a3__container {
    padding: 32px 0 24px;
  }
  
  .section-a3__text1 p {
    gap: 16px;
    font-size: 20px;
  }
  
  .section-a3__text1 span {
    min-width: 64px;
    font-size: 16px;
  }
  
  .section-a3__text2 {
    margin-top: 16px;
  }
  
  .section-a3__text2 p {
    font-size: 28px;
  }
  
  .section-a3__text3 {
    margin-top: 32px;
  }
  
  .section-a3__wrap {
    margin-top: 32px;
    padding: 24px 16px;
  }
  
  .section-a3__text4 p {
    font-size: 18px;
  }
  
  .section-a3__list {
    margin-top: 24px;
  }
  
  .section-a3__list-item {
    padding-left: 32px;
    font-size: 14px;
  }
  
  .section-a3__list-item::before {
    width: 17px;
  }
  
  .section-a3__text5 {
    margin-top: 16px;
  }
  
  .section-a3__text5 p {
    font-size: 12px;
  }
  
  .section-a3__bg {
    width: 100%;
  }
}

/* ======================================
  section-a4
========================================= */
.section-a4 {
  padding-block: 100px;
}

.section-a4__heading h2 {
  margin-block: var(--leading-trim);
  font-family: "Shippori Mincho";
  font-size: 36px;
  font-weight: 600;
  letter-spacing: 0.05em;
  line-height: calc(60 / 36);
  text-align: center;
}

.section-a4__container {
  margin-top: 53px;
  display: grid;
  grid-template-columns: calc(440 / 1020 * 100%) 1fr;
  gap: 30px;
}

.section-a4__img img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 439 / 297;
  object-fit: cover;
}

.section-a4__text1 {
  align-self: center;
}
.section-a4__text1 p {
  margin-block: var(--leading-trim);
  font-size: 16px;
  font-weight: 500;
  line-height: calc(36 / 16);
}

.section-a4__items {
  margin-top: 83px;
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 34px;
}

.section-a4__item-img img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 320 / 210;
  object-fit: cover;
}

.section-a4__text2 {
  margin-top: 30px;
}

.section-a4__text2 p {
  margin-block: var(--leading-trim);
  font-size: 18px;
  font-weight: 700;
  line-height: calc(33 / 18);
  color: #2554bf;
  text-align: center;
}

@media (max-width:767px) {
  .section-a4 {
    padding: 40px 0 0;
  }
  
  .section-a4__heading h2 {
    font-size: 26px;
  }
  
  .section-a4__container {
    margin-top: 40px;
    display: block;
  }
  
  .section-a4__text1 {
    margin-top: 24px;
  }
  .section-a4__text1 p {
    font-size: 14px;
  }
  
  .section-a4__items {
    margin-top: 40px;
    display: block;
  }

  .section-a4__item + .section-a4__item {
    margin-top: 32px;
  }
  
  .section-a4__text2 {
    margin-top: 16px;
  }
  
  .section-a4__text2 p {
    font-size: 16px;
  }
  
}


/* YouTubeセクション追加_20250806 */
.omae_video_section{
  margin-top: 60px;
}
.omae_video {
  display: flex;
  flex-wrap: wrap; /* 必要に応じて折り返し */
  gap: 20px; /* 動画間のスペース */
  justify-content: center;
  margin-top: 50px;
  margin-bottom: 60px;
}

.video-wrapper {
  position: relative;
  width: 100%;
  max-width: 560px; /* 任意で調整（例：動画幅） */
  aspect-ratio: 16 / 9; /* モダンな方法でアスペクト比を維持 */
  flex: 1 1 45%; /* 横2つ並ぶように調整（レスポンシブも効く） */
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}
.omae_head{
  text-align: center;
}
.omae_head h2{
  background-color: #2554bf;
  font-family: "Shippori Mincho";
  font-size: 21px;
  padding: 10px 20px;
  color: #fff;
}
@media (max-width:767px) {
  .omae_video {
    display: block;
  }
  .video-wrapper{
    margin-top: 60px;
  }
}