body {
  font-family: "Zen Kaku Gothic New", sans-serif;
  margin: 0;
  padding: 0;
  background-color: #fffffb;
}

.pc-none {
  display: none;
}
@media screen and (max-width: 760px) {
  .pc-none {
    display: block;
  }
}

.tb-none {
  display: none;
}
@media screen and (min-width: 1024px) {
  .tb-none {
    display: block;
  }
}

.sp-none {
  display: none;
}
@media screen and (min-width: 760px) {
  .sp-none {
    display: block;
  }
}

p {
  line-height: 1.5rem;
}

ul {
  list-style: none;
  padding-inline-start: 0;
}

a {
  color: #000;
  text-decoration: none;
}

.section {
  padding: 3rem 0;
}

.section-title {
  text-align: center;
  font-size: 3rem;
  margin: 2rem 0;
}
@media screen and (max-width: 760px) {
  .section-title {
    font-size: 1.5rem;
  }
}

.content-area {
  max-width: 1140px;
  padding: 0 2rem;
  margin: 0 auto;
  position: relative;
}
@media screen and (min-width: 760px) {
  .content-area {
    padding: 0 5rem;
  }
}

.header {
  z-index: 1000;
  background-color: #fffffb;
  color: #000;
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  animation: 2s ease 7.5s forwards fade;
}
.header__logo {
  margin: 1rem 0;
  width: auto;
}
.header__logo__main {
  font-size: 1.5rem;
  font-weight: 200;
  margin: 0.2rem 0;
}
.header__logo__sub {
  font-size: 1rem;
  font-weight: 200;
  margin: 0.2rem 0;
}
.header__contents {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header__nav {
  margin-left: auto;
}
.header__nav__list {
  display: flex;
}
.header__nav__item {
  font-size: 1.2rem;
  text-align: center;
  writing-mode: horizontal-tb;
}
.header__nav__item__button {
  background-color: #ffd900;
  padding: 0.7rem 1.5rem;
  border-radius: 2rem;
}
@media screen and (min-width: 400px) {
  .header__nav__item:not(:last-child) {
    margin-right: 1.5rem;
  }
}

.key-visual__container {
  background-image: url(../image/workshop-see-family.jpg);
  background-size: cover;
  background-position: bottom;
  text-align: center;
}

.key-visual__text {
  padding: 7rem 0;
  background-color: rgba(100, 100, 100, 0.85);
  color: #fff;
  font-size: 2rem;
  letter-spacing: 0.2rem;
}

.course__list {
}
@media screen and (min-width: 760px) {
  .course__list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
}

.course__item {
  background-color: #474141;
  color: #fff;
  border-radius: 0.3rem;
}

@media screen and (max-width: 760px) {
  .course__item:nth-child(n + 2) {
    margin-top: 1rem;
  }
}

.course__item__head {
  padding-top: 1rem;
  text-align: center;
}

.course__item__head h3 {
  margin-block-end: 0;
}

.course__item__body {
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto auto auto;
  gap: 0.5rem;
  height: auto;
  padding: 1rem;
}

.course__item__body__image {
  width: 100%;
}

.course__item__body__summary {
  align-content: center;
}

.course__item__body__details {
  grid-area: 3/1 / span 1 / span 1;
}

@media screen and (min-width: 760px) {
  .course__item__body {
    grid-template-columns: 2fr 3fr;
    grid-template-rows: auto auto;
    gap: 1rem;
  }

  .course__item__body p {
    margin: 0;
    padding: 0;
  }

  .course__item__body__details {
    grid-area: 2/1 / span 1 / span 2;
  }
}

.course__apply-button {
  padding-top: 1rem;
  text-align: center;
}

.course__apply-button a {
  display: block;
  background-color: #ffd900;
  color: #000;
  border-radius: 2rem;
  padding: 0.5rem;
}

.event__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.event__content {
  border: #aaa 1px solid;
  border-radius: 0.3rem;
  padding: 0.5rem;
}

.event__content__date {
  text-align: end;
  margin: 1rem 0.2rem;
  font-size: 2.5rem;
  font-weight: 800;
  color: #474141;
}

.event__content__detail {
  text-align: center;
}

.footer {
  background-color: #474141;
  padding: 3rem 0;
}
.footer__button-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media screen and (min-width: 760px) {
  .footer__button-container {
    grid-template-columns: 1fr 1fr;
  }
}
.footer__button-card {
  background-color: #fffffb;
  border-radius: 1rem;
  padding: 2rem 1rem 2rem;
  text-align: center;
  justify-content: space-between;
}
.footer__button {
  display: flex;
  margin: 1rem auto 0;
  border-radius: 2rem;
  justify-content: center;
  align-items: center;
  height: 3.5rem;
}
.footer__button--black {
  background-color: #474141;
  color: #fffffb;
}
.footer__button--yellow {
  background-color: #ffd900;
  color: #000;
}
.footer__text {
  color: #fffffb;
}
.footer__text__logo {
  font-size: 1.2rem;
  margin-top: 2rem;
}
.footer__text__address {
  line-height: 1.3rem;
}