* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
#mihama-course, #ohi-course {
  scroll-margin-top: 40px;
}
body {
  font-family: "Yu Gothic", YuGothic, "Hiragino Kaku Gothic ProN", "メイリオ", meiryo, sans-serif;
  margin: 0;
  padding: 0;
}
a {
  color: #000;
  text-decoration: none;
}
.pc-br {
  display: inline;
}
.sp-br {
  display: none;
}
/* デフォルト（PC） */
.schedule-img-sp {
  display: none;
}
/* Header */
.main-header {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10;
  background-color: transparent;
}
.logo {
  display: block;
  height: auto;
  width: auto;
  max-width: 100px;
}
.hero-section {
  position: relative;
  width: 100%;
}
.hero-image {
  width: 100%;
}
.btn-container {
  position: absolute;
  top: 97%;
  left: 50%;
  transform: translate(-50%, -30px);
  display: flex;
  justify-content: center;
  column-gap: 4vw;
}
.course-btn:hover {
  transform: scale(1.05);
  filter: brightness(1.1);
}
.course-btn img {
  max-width: none;
}
.button-container .course-btn:hover {
  transform: scale(1.05);
  filter: brightness(1.1);
}
.button-container .btn-mihama {
  background-image: url("../img/btn1.svg");
}
.button-container .btn-ohi {
  background-image: url("../img/btn2.svg");
}
/* About Section */
.about-section {
  padding: 4rem 0;
  text-align: center;
}
.about-title {
  font-size: 2rem;
  font-weight: bold;
  margin-top: 2rem;
  margin-bottom: 1.5rem;
}
.about-text {
  font-size: 18px;
  line-height: 1.85;
  margin: 0 auto 1.5rem;
}
.plant-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}
.plant-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 20rem;
}
.plant-item img {
  width: 100%;
  height: auto;
}
.plant-caption {
  margin-top: 0.5rem;
  font-size: 1rem;
  color: #555;
}
/* Notice Section */
.notice-section {
  background-color: #eff2a2;
  padding: 3rem 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}
.notice-text {
  max-width: 50rem;
  line-height: 1.6;
  color: #333;
  font-size: 18px;
}
.notice-highlight {
  color: #d00;
  font-weight: bold;
}
.notice-bold {
  color: #000;
  font-weight: bold;
}
.notice-img {
  max-width: 15rem;
  height: auto;
}
.white-section {
  background-color: #fff;
  padding: 3rem 1rem;
  text-align: center;
  position: relative;
  overflow: visible;
  z-index: 2;
}
.btn3 {
  background-image: url("../img/btn3.svg");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  border: none;
  width: 320px;
  height: 96px;
  cursor: pointer;
}
.btn4 {
  background-image: url("../img/btn4.svg");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  border: none;
  width: 320px;
  height: 96px;
  cursor: pointer;
}
/* course background split */
.course-bg {
  width: 100%;
  padding: 6rem 0;
  min-height: 400px;
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
}
.course-bg--blue {
  background-image: url("../img/bg-blue.webp");
  height: auto;
  position: relative;
}
.button-group {
  display: flex;
  justify-content: center;
  gap: 2rem;
  position: absolute;
  left: 50%;
  top: 0;
  transform: translate(-50%, -50%);
  z-index: 20;
}
.button-group.fadein-target {
  opacity: 0;
  transform: translate(-50%, -50%);
}
.button-group.fadein-target.is-visible {
  opacity: 1;
  transform: translate(-50%, -50%);
}
.button-group .btn3:hover, .button-group .btn4:hover {
  opacity: 0.7;
}
.course-bg--green {
  background-image: url("../img/bg-green.webp");
  height: auto;
  background-position: bottom left;
}
.course-stack {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}
/* inner-box */
.inner-box {
  width: 62.5rem;
  min-height: 148rem;
  margin-top: 0;
  height: auto;
  background-color: #ffffff;
  padding: 3rem 2rem 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.course-title {
  font-size: 48px;
  font-weight: bold;
  color: #0099cc;
  margin-bottom: 0.75rem;
  line-height: 1.2;
}
.course-decoration {
  max-width: 100%;
  height: auto;
  margin-bottom: 1.5rem;
}
.course-info-section {
  display: flex;
  gap: 1.2rem;
  margin-bottom: 1.35rem;
  width: 100%;
  align-items: baseline;
}
.info-label {
  background-color: #0099cc;
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  white-space: nowrap;
  font-weight: bold;
  font-size: 0.95rem;
  width: 11.5rem;
  height: 2.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.info-text {
  flex: 1;
  line-height: 1.75;
  text-align: left;
  margin: 0;
  color: #333;
  font-size: 16px;
}
.info-text-red {
  color: #cc0000;
  font-weight: bold;
  font-size: 20px;
  line-height: 1.6;
}
.plan-example-section {
  margin-top: 2.25rem;
  width: 888px;
  max-width: 100%;
  background-color: #f0f8ff;
  padding: 1.5rem 1.5rem 1.75rem;
  margin-left: auto;
  margin-right: auto;
}
.plan-title {
  font-size: 1.35rem;
  font-weight: bold;
  color: #333;
  text-align: center;
  margin-bottom: 1.5rem;
  line-height: 1.3;
}
.plan-flow {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2.2rem;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.flow-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 0 1 auto;
}
.flow-icon {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: contain;
  margin-bottom: 0.4rem;
}
.flow-label {
  font-size: 15px;
  text-align: center;
  margin: 0;
  color: #333;
  line-height: 1.3;
  min-height: 2.6em;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}
.flow-arrow {
  margin: 0 0.15rem;
  margin-top: 2.2rem;
}
.examples-row {
  display: flex;
  justify-content: center;
  gap: 1.35rem;
  flex-wrap: nowrap;
}
.example-item {
  text-align: center;
  flex: 0 1 calc(33.333% - 0.9rem);
  min-width: 13.5rem;
  display: flex;
  flex-direction: column;
}
.example-label {
  font-size: 0.92rem;
  font-weight: bold;
  color: #0099cc;
  margin-bottom: 0.85rem;
  border: 2px solid #0099cc;
  border-radius: 2rem;
  padding: 0.4rem 0.85rem;
  display: inline-block;
  background-color: white;
  position: relative;
}
.example-label::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -14.5px;
  width: 0.9rem;
  height: 0.9rem;
  background: url("../img/arrow-down.svg") no-repeat center center;
  background-size: contain;
  transform: translateX(-50%);
}
.example-image {
  width: 100%;
  height: auto;
  max-width: 18rem;
  margin-top: 0.9rem;
  margin-bottom: 0.55rem;
}
.example-text {
  font-size: 16px;
  color: #269ac2;
  margin-top: 0.9rem;
  font-weight: bold;
  line-height: 1.5;
}
/* schedule section */
.schedule-section {
  width: 100%;
  margin-top: 2.25rem;
  text-align: center;
}
.schedule-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 320px;
  height: 80px;
  border: 2px solid #333;
  border-radius: 3rem;
  padding: 0;
  font-size: 1.08rem;
  font-weight: bold;
  background-color: #fff;
  cursor: pointer;
}
.schedule-btn span {
  font-size: 22px;
  margin-right: 0.45rem;
}
.schedule-btn:hover {
  opacity: 0.5;
}
.schedule-icon {
  width: 1.35rem;
  height: auto;
}
.schedule-note {
  font-size: 0.9rem;
  color: #333;
  margin-top: 0.35rem;
  margin-bottom: 1.25rem;
  line-height: 1.5;
}
.schedule-table {
  width: 100%;
  max-width: 76rem;
  margin: 0 auto;
  border-collapse: collapse;
  table-layout: fixed;
  background-color: #fff;
  border: 1px solid #333;
}
.schedule-table col.col-departure {
  width: 29%;
}
.schedule-table col.col-price {
  width: 39%;
}
.schedule-table col.col-deadline {
  width: 32%;
}
.schedule-table th, .schedule-table td {
  border: 1px solid #8e8e8e;
  text-align: center;
  vertical-align: middle;
  padding: 0;
}
.schedule-table thead th {
  height: 3.5rem;
  font-size: 0.96rem;
  font-weight: 700;
  color: #333;
  background-color: #fff;
  line-height: 1.35;
}
.schedule-table .table-sub {
  display: inline;
  font-size: 0.92em;
  font-weight: 700;
}
.schedule-table tbody td {
  height: 3.45rem;
  font-size: 0.92rem;
  color: #333;
  background-color: #fff;
}
.schedule-table .schedule-update {
  color: #ff0000;
  font-weight: 700;
  font-size: 0.98rem;
  letter-spacing: 0.02em;
  line-height: 1.45;
  padding: 0 0.8rem;
}
/* application flow box */
.application-flow-box {
  width: 100%;
  max-width: 55.5rem;
  min-height: 23.75rem;
  background: #ececec;
  margin: 6rem auto 0;
  padding: 6.75rem 1.8rem 2.2rem;
  position: relative;
}
.btn-blue {
  width: 42rem;
  max-width: calc(100% - 4rem);
  min-height: 5.5rem;
  background: #2399c7;
  color: #fff;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  position: absolute;
  top: -2.7rem;
  left: 50%;
  transform: translateX(-50%);
  padding: 1rem 1.4rem;
}
.btn-blue:hover {
  opacity: 0.7;
}
.btn-blue-text {
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.03em;
}
.btn-blue-circle {
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 50%;
  background: #2b2b2b;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.92rem;
  flex-shrink: 0;
}
.flow-main-title {
  text-align: center;
  font-size: 1.4rem;
  font-weight: 700;
  color: #2d2d2d;
  margin-bottom: 1.9rem;
  line-height: 1.4;
}
.flow-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0.45rem;
  flex-wrap: nowrap;
}
.flow-step {
  width: 8.6rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.flow-step-number {
  font-size: 18px;
  font-weight: 700;
  color: #000;
  line-height: 1;
  margin-bottom: 0.65rem;
}
.flow-step-title {
  font-size: 15px;
  font-weight: 700;
  color: #2d2d2d;
  line-height: 1.3;
  min-height: 2.5rem;
  margin-bottom: -0.7rem;
  position: relative;
  z-index: 2;
}
.flow-icon-circle {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.7rem;
}
.flow-icon-img {
  width: 112px;
  height: 112px;
  display: block;
  object-fit: contain;
}
.flow-step-text {
  font-size: 15px;
  font-weight: 500;
  color: #333;
  line-height: 1.4;
  margin: 0;
  margin-top: -25px;
}
.flow-arrow-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 5.9rem;
  flex: 0 0 auto;
}
.flow-arrow-img {
  height: auto;
  display: block;
}
.flow-id-note {
  margin-top: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}
.flow-id-icon {
  width: 3.1rem;
  height: auto;
  display: block;
}
.flow-id-note p {
  margin: 0;
  font-size: 0.82rem;
  color: #333;
  line-height: 1.4;
  text-align: left;
}
.flow-id-note-sp {
  display: none;
}
/* participation notes */
.participation-notes {
  width: 100%;
  margin-top: 2.25rem;
  padding: 0 0.2rem 0.5rem;
  color: #222;
}
.participation-notes-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.7;
  margin-bottom: 1.25rem;
  text-align: left;
}
.participation-notes-text {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.8;
  margin-bottom: 0.65rem;
  letter-spacing: 0.01em;
  text-align: left;
}
.participation-notes-text:last-child {
  margin-bottom: 0;
}
.inner-box--green .course-title {
  color: #6ba33f;
}
.inner-box--green .info-label {
  background-color: #6ba33f;
}
.inner-box--green .plan-example-section {
  background-color: #f0f6ec;
}
.inner-box--green .example-label {
  color: #6ba33f;
  border-color: #6ba33f;
}
.inner-box--green .example-text {
  color: #6ba33f;
}
.inner-box--green .flow-arrow {
  color: #6ba33f;
}
.inner-box--green .btn-blue {
  background: #6ba33f;
}
.inner-box--green .example-label::after {
  background: url("../img/arrow-down2.svg") no-repeat center center;
  background-size: contain;
}
footer {
  background-color: #ffffff;
  color: #000000;
  text-align: center;
  padding: 1em;
}
/* responsive */
@media screen and (min-width: 1200px) {
  .schedule-table thead th {
    height: 3.7rem;
    font-size: 1rem;
  }
  .schedule-table tbody td {
    height: 3.5rem;
  }
  .schedule-table .schedule-update {
    font-size: 1.02rem;
  }
}
@media screen and (max-width: 1024px) {
  .inner-box {
    width: calc(100% - 2rem);
    min-height: auto;
  }
  .plan-example-section {
    width: 100%;
  }
  .application-flow-box {
    padding: 6rem 1.5rem 2.2rem;
  }
  .btn-blue {
    width: calc(100% - 3rem);
    min-height: 5rem;
    top: -2.4rem;
  }
  .btn-blue-text {
    font-size: 1.35rem;
  }
  .flow-steps {
    gap: 0.35rem;
  }
  .flow-step {
    width: 7.8rem;
  }
  .flow-icon-img {
    width: 4.2rem;
  }
  .flow-arrow-wrap {
    padding-top: 6.7rem;
  }
  .flow-arrow-img {
    width: 1.65rem;
  }
}
@media screen and (max-width: 768px) {
  body {
    overflow-x: hidden;
  }
  .pc-br {
    display: none;
  }
  .sp-br {
    display: inline;
  }
  /* hero */
  .hero-content {
    position: relative;
    width: 100%;
  }
  .hero-image {
    width: 100%;
  }
  .btn-container {
    position: static;
    transform: none;
  }
  .btn-container {
    flex-direction: column;
    align-items: center;
    row-gap: 30px;
    margin-top: -43px;
  }
  /* about */
  .about-section {
    padding: 4rem 0rem 1.8rem;
  }
  .about-title {
    font-size: 2rem;
    /*margin-top: 6rem;*/
    margin-bottom: 0.9rem;
    line-height: 1.4;
  }
  .about-text {
    font-size: 1.1rem;
    line-height: 1.85;
    margin: 0 auto 1.5rem;
    max-width: 22rem;
    text-align: center;
  }
  .plant-row {
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
  }
  .plant-item {
    max-width: 20rem;
    width: 100%;
  }
  .plant-caption {
    margin-top: 0.35rem;
    font-size: 0.9rem;
  }
  /* notice */
  .notice-section {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem 1rem;
  }
  .notice-text {
    max-width: 50rem;
    line-height: 1.6;
    color: #333;
    font-size: 1.2rem;
  }
  .notice-highlight {
    font-size: 1.2rem;
  }
  .notice-bold {
    /*font-size: 1rem;*/
  }
  .notice-img {
    width: 50%;
    max-width: none;
    margin-top: 1.2rem;
  }
  /* white buttons */
  .white-section {
    padding: 1.6rem 1rem 0.4rem;
  }
  .button-group {
    top: -0.5rem;
    flex-direction: column;
    align-items: center;
    gap: 0.7rem;
  }
  .btn3, .btn4 {
    width: 80%;
    max-width: 320px;
    height: 90px;
  }
  /* split backgrounds sp */
  .course-bg {
    padding-top: 2.3rem;
    padding-bottom: 1.5rem;
    background-size: cover;
    background-position: center top;
  }
  .course-bg--blue {
    background-image: url("../img/bg-blue.webp");
    background-position: top right;
    background-size: contain;
    background-color: #e3f2f7;
  }
  .course-bg--green {
    background-image: url("../img/bg-green.webp");
    background-position: bottom left;
    background-size: contain;
    background-color: #d2e7e1;
  }
  .course-stack {
    gap: 2.5rem;
  }
  .inner-box {
    width: calc(96% - 1rem);
    min-height: auto;
    margin-top: 2.2rem;
    padding: 2rem 0.5rem 1.25rem;
  }
  .course-title {
    font-size: 30px;
    margin-bottom: 0.35rem;
  }
  .course-decoration {
    width: 15rem;
    margin-bottom: 2rem;
  }
  .course-info-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.9rem;
    margin-bottom: 2.2rem;
    width: 100%;
  }
  .info-label {
    width: 17rem;
    max-width: 100%;
    height: 3.2rem;
    min-width: auto;
    padding: 0;
    border-radius: 999px;
    font-size: 1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
  }
  .info-text {
    width: 100%;
    font-size: 1.2rem;
    line-height: 1.7;
    text-align: left;
    margin: 0;
  }
  .info-text-red {
    width: 100%;
    font-size: 1.2rem;
    line-height: 1.7;
    text-align: center;
    font-weight: 700;
  }
  .plan-example-section {
    width: 100%;
    margin-top: 1.2rem;
    padding: 1rem 0.55rem 1.15rem;
  }
  .plan-title {
    font-size: 0.85rem;
    margin-bottom: 0.95rem;
  }
  .plan-flow {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0.55rem;
    margin-bottom: 1rem;
  }
  .flow-item {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .flow-arrow {
    display: block;
    height: auto;
    margin: 0 auto;
    transform: rotate(90deg);
    align-self: center;
  }
  .plan-flow .flow-icon {
    width: 6.5rem;
    height: 6.5rem;
    margin-bottom: 0;
  }
  .flow-label {
    font-size: 1rem;
    white-space: normal;
    line-height: 2rem;
  }
  .examples-row {
    flex-direction: column;
    gap: 1rem;
    align-items: center;
  }
  .example-item {
    width: 100%;
    min-width: 0;
    max-width: 90%;
  }
  .example-text {
    font-size: 0.95rem;
  }
  .example-label {
    font-size: 0.9rem;
  }
  .example-image {
    max-width: 100%;
    height: auto;
    margin-top: 0.55rem;
    margin-bottom: 0;
  }
  .schedule-section {
    margin-top: 1.2rem;
  }
  .schedule-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.7rem;
    margin-bottom: 0.6rem;
  }
  .schedule-btn {
    width: 18.8rem;
    min-height: 2.25rem;
    padding: 0.35rem 0.9rem;
    font-size: 0.7rem;
    border-width: 1.5px;
  }
  .schedule-btn span {
    margin-right: 0.3rem;
  }
  .schedule-icon {
    width: 0.85rem;
  }
  .schedule-note {
    font-size: 1rem;
    line-height: 1.5;
    margin-bottom: 0.7rem;
  }
  /* テーブル非表示 */
  .schedule-table {
    display: none;
  }
  /* colgroupも念のため消す（保険） */
  .schedule-table colgroup {
    display: none;
  }
  /* 画像表示 */
  .schedule-img-sp {
    display: block;
    width: 100%;
    height: auto;
    margin-top: 1rem;
  }
  .application-flow-box {
    margin-top: 6rem;
    max-width: 100%;
    min-height: auto;
    padding: 3.2rem 0.55rem 1rem;
  }
  .btn-blue {
    width: calc(100% - 1rem);
    max-width: calc(100% - 1rem);
    height: 150px;
    min-height: 80px;
    top: -4.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: block;
    padding: 0;
    background: url("../img/btn-blue-sp.svg") no-repeat center center;
    background-size: contain;
    background-color: transparent;
  }
  .inner-box--green .btn-blue {
    background: url("../img/btn-green-sp.svg") no-repeat center center;
    background-size: contain;
    background-color: transparent;
  }
  .btn-blue-text, .btn-blue-circle {
    display: none;
  }
  .flow-main-title {
    font-size: 1rem;
    margin-top: 4rem;
    margin-bottom: 0.9rem;
  }
  .flow-steps {
    margin-top: 2rem;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
  }
  .flow-step {
    width: 100%;
    max-width: 8rem;
  }
  .flow-step-number {
    font-size: 0.95rem;
    margin-bottom: 0.2rem;
  }
  .flow-step-title {
    font-size: 1rem;
    min-height: auto;
    margin-bottom: 0.15rem;
    line-height: 1.35;
  }
  .flow-icon-circle {
    margin-bottom: 0.25rem;
  }
  .flow-icon-img {
    width: 6.5rem;
  }
  .flow-step-text {
    font-size: 0.85rem;
    line-height: 1.4;
  }
  .flow-arrow-wrap {
    padding-top: 0;
  }
  .flow-arrow-img {
    width: 0.6rem;
    transform: rotate(90deg);
  }
  .flow-id-note {
    margin-top: 0.55rem;
    gap: 0.35rem;
    flex-direction: row;
    align-items: center;
    justify-content: center;
  }
  .flow-id-icon {
    width: 1.35rem;
  }
  .flow-id-note p {
    font-size: 0.65rem;
    line-height: 1.35;
    text-align: left;
  }
  .flow-id-note-pc {
    display: none;
  }
  .flow-id-note-sp {
    display: flex;
    margin-top: 0.6rem;
    gap: 0.35rem;
    flex-direction: row;
    align-items: center;
    justify-content: center;
  }
  .flow-id-note-sp .flow-id-icon {
    width: 1.35rem;
  }
  .flow-id-note-sp p {
    margin: 0;
    font-size: 0.65rem;
    line-height: 1.35;
    text-align: left;
  }
  .participation-notes {
    margin-top: 0.9rem;
    padding: 0 0.15rem 0.2rem;
  }
  .participation-notes-title {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 0.8rem;
  }
  .participation-notes-text {
    font-size: 0.85rem;
    line-height: 1.9;
    margin-bottom: 0.7rem;
  }
  footer {
    font-size: 0.7rem;
    padding: 0.7rem 1rem;
  }
}
/* pagetop */
.pagetop {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 60px;
  height: 60px;
  z-index: 999;
}
.pagetop img {
  width: 100%;
  height: auto;
  display: block;
}
/* =========================
   scroll fade-in
========================= */
.fadein-target {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s ease, transform 0.9s ease;
  will-change: opacity, transform;
}
.fadein-target.is-visible {
  opacity: 1 !important;
  transform: translateY(0);
}
/* 少しずつズレて出したい用 */
.fadein-delay-1 {
  transition-delay: 0.08s;
}
.fadein-delay-2 {
  transition-delay: 0.16s;
}
.fadein-delay-3 {
  transition-delay: 0.24s;
}
.fadein-delay-4 {
  transition-delay: 0.32s;
}
/* 画面内に最初から見えている要素のチラつき防止 */
.hero-section {
  opacity: 1;
}
/* 動きを減らしたい環境ではアニメーションなし */
@media (prefers-reduced-motion: reduce) {
  .fadein-target, .fadein-target.is-visible, .fadein-delay-1, .fadein-delay-2, .fadein-delay-3, .fadein-delay-4 {
    opacity: 1;
    transform: none;
    transition: none;
  }
}