img {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
}

.txt-center {
  text-align: center;
}

.okurimono {
  padding: 50px 0 130px;
  background: url("../img/bg.webp") no-repeat center/cover;
}

.lead-ttl {
  color: #221815;
  font-family: "Zen Old Mincho", serif;
  font-size: 28px;
  font-weight: 900;
  letter-spacing: 2.5px;
}

.lead-ttl.black {
  color: #000;
}

.img-ttl {
  width: 92%;
  margin: 0 auto 30px;
  max-width: 1025px;
}

.lead-ttl .year,
.lead-ttl .day-of-week {
  font-size: 24px;
  font-weight: 400;
}

.lead-ttl .day {
  font-size: 38px;
}

.sec-instructors {
  margin-top: 60px;
  font-family: "Zen Old Mincho", serif;
}

.okurimono .inner {
  width: 90%;
  margin: 0 auto;
  max-width: 1000px;
  padding: 0;
}

.instructor-para {
  font-family: "Zen Old Mincho", serif;
  font-size: 21px;
  font-weight: 700;
  text-align: center;
  letter-spacing: 5px;
}

.instructors-lst {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 35px;
}

.instructor-item {
  max-width: 121px;
  width: 12.1%;
  margin-bottom: 35px;
  color: #000;
}

/*.instructor-item.small {
  width: 125px;
}*/

.instructor-item.has-margin {
  margin-right: 1.6%;
}

.instructor-item .instructor-img {
  overflow: hidden;
  border-radius: 5px;
}

.instructor-item .instructor-name {
  margin-top: 8px;
  font-family: "Zen Old Mincho", serif;
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  letter-spacing: 2px;
}


.sec-program {
  margin-top: 68px;
  text-align: center;
}

.program-ttl {
  width: 202px;
  margin: 0 auto;
}

.sec-program .sub-ttl {
  margin-top: 35px;
  margin-bottom: 25px;
  color: #d70545;
  font-family: "Zen Old Mincho", serif;
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 4px;
}

.sec-program p {
  line-height: 1.8;
  color: #000;
  font-family: "Zen Old Mincho", serif;
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 5px;
}

.sec-information {
  margin-top: 120px;

}

.info-card {
  position: relative;
  padding: 75px 120px 70px;
  background-color: rgba(255, 255, 255, 0.5);
  border-radius: 10px;
}

.info-card::before {
  position: absolute;
  top: -55px;
  right: 2px;
  width: 162px;
  height: 141px;
  background: url("../img/img_flower.png") no-repeat center/cover;
  content: "";
}

.info-card::after {
  position: absolute;
  bottom: -50px;
  left: 20px;
  width: 85px;
  height: 135px;
  background: url("../img/img_hana.png") no-repeat center/cover;
  content: "";
}

.information-ttl {
  width: 300px;
  margin: 0 auto 50px;
}

.sec-information .info-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  line-height: 1.6;
  margin-bottom: 40px;
  font-family: "Zen Old Mincho", serif;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 1px;
}

.sec-information .info-box.align-start {
  align-items: flex-start;
}

.sec-information .info-box .info-ttl {
  width: 165px;
}

.sec-information .info-box .info-desc {
  width: calc(100% - 195px);
}

.info-ttl span {
  display: inline-block;
  width: 100%;
  padding: 12px;
  border: 1px solid #666;
  text-align: center;
}

.info-desc iframe {
  width: 100%;
  height: 210px;
  margin-top: 12px;
  border: none;
}

.info-desc table {
  margin-top: 10px;
}

.info-desc table td {
  padding-right: 15px;
  text-align: left;
}

.special-offer-bnr {
  display: flex;
  width: 620px;
  margin: 0 auto;
  border: 2px solid #e04a3f;
  background-color: #fff;
  color: #e04a3f;
  font-family: "Zen Old Mincho", serif;
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 4px;
}

.special-offer-bnr .left,
.special-offer-bnr .right {
  width: 50%;
  padding: 15px 0;
  text-align: center;
}

.special-offer-bnr .left {
  background-color: #e04a3f;
  color: #fff;
}


.sec-information .note {
  line-height: 1.8;
  color: #333;
  font-family: "Zen Old Mincho", serif;
  font-size: 16px;
  font-weight: 400;
  text-align: center;
  letter-spacing: 1px;
}

.sec-information .btn-apply {
  display: block;
  width: 516px;
  margin: 45px auto 0;
  padding: 15px 0;
  background-color: #d70545;
  color: #fff;
  font-family: "Hiragino Kaku Gothic Pro", sans-serif;
  font-size: 21px;
  font-weight: 700;
  text-align: center;
  letter-spacing: 5px;
  border-radius: 33px;
}

.sec-information .btn-apply span {
  position: relative;
  padding-right: 18px;
}

.sec-information .btn-apply span::after {
  position: absolute;
  top: 50%;
  right: 0;
  width: 0;
  height: 0;
  background: transparent;
  content: "";
  transform: translateY(-50%);
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 8px solid #fff;
}

/* tablet */
@media (min-width: 769px) and (max-width: 1100px) {
  .okurimono {
    padding: 4.55vw 0 11.82vw;
  }

  .lead-ttl {
    font-size: 2.55vw;
    letter-spacing: 0.23vw;
  }

  .img-ttl {
    margin: 0 auto 2.73vw;
    max-width: 93.18vw;
  }

  .lead-ttl .year,
  .lead-ttl .day-of-week {
    font-size: 2.18vw;
  }

  .lead-ttl .day {
    font-size: 3.45vw;
  }

  .sec-instructors {
    margin-top: 5.45vw;
  }

  .okurimono .inner {
    max-width: 90.91vw;
  }

  .instructor-para {
    font-size: 1.91vw;
    letter-spacing: 0.45vw;
  }

  .instructors-lst {
    margin-top: 3.18vw;
    justify-content: flex-start;
  }

  .instructor-item {
    width: 22.6%;
    max-width: 23.11vw;
    margin-bottom: 3.18vw;
    margin-right: 3%;
  }

  .instructor-item:nth-child(4n) {
    margin-right: 0;
  }

  /*.instructor-item.small {
    width: 11.36vw;
  }*/

  .instructor-item.has-margin {
    margin-right: 3%;
  }

  .instructor-item.has-margin:nth-child(4n) {
    margin-right: 0;
  }

  .instructor-item .instructor-img {
    border-radius: unset;
  }

  .instructor-item .instructor-name {
    margin-top: 0.73vw;
    font-size: 1.27vw;
    letter-spacing: 0.18vw;
  }


  .sec-program {
    margin-top: 6.18vw;
  }

  .program-ttl {
    width: 18.36vw;
  }

  .sec-program .sub-ttl {
    margin-top: 3.18vw;
    margin-bottom: 2.27vw;
    font-size: 1.91vw;
    letter-spacing: 0.36vw;
  }

  .sec-program p {
    font-size: 1.91vw;
    letter-spacing: 0.45vw;
  }

  .sec-information {
    margin-top: 10.91vw;
  }

  .info-card {
    width: 96%;
    margin: 0 auto;
    padding: 6.82vw 10.91vw 6.36vw;
    border-radius: 0.91vw;
  }

  .info-card::before {
    top: -5vw;
    right: 0.18vw;
    width: 14.73vw;
    height: 12.82vw;
  }

  .info-card::after {
    bottom: -4.55vw;
    left: 1.82vw;
    width: 7.73vw;
    height: 12.27vw;
  }

  .information-ttl {
    width: 27.27vw;
    margin: 0 auto 4.55vw;
  }

  .sec-information .info-box {
    margin-bottom: 3.64vw;
    font-size: 1.64vw;
    letter-spacing: 0.09vw;
  }

  .sec-information .info-box .info-ttl {
    width: 15vw;
  }

  .sec-information .info-box .info-desc {
    width: calc(100% - 17.73vw);
  }

  .info-ttl span {
    padding: 1.09vw;
    border: 0.09vw solid #666;
  }

  .info-desc iframe {
    height: 19.09vw;
    margin-top: 1.09vw;
  }

  .info-desc table {
    margin-top: 0.91vw;
  }

  .info-desc table td {
    padding-right: 1.36vw;
  }

  .special-offer-bnr {
    width: 56.36vw;
    border: 0.18vw solid #e04a3f;
    font-size: 1.91vw;
    letter-spacing: 0.36vw;
  }

  .special-offer-bnr .left,
  .special-offer-bnr .right {
    padding: 1.36vw 0;
  }

  .sec-information .note {
    font-size: 1.45vw;
    letter-spacing: 0.09vw;
  }

  .sec-information .btn-apply {
    width: 46.91vw;
    margin: 4.09vw auto 0;
    padding: 1.36vw 0;
    font-size: 1.91vw;
    letter-spacing: 0.45vw;
    border-radius: 3vw;
  }

  .sec-information .btn-apply span {
    padding-right: 1.64vw;
  }

  .sec-information .btn-apply span::after {
    border-top: 0.55vw solid transparent;
    border-bottom: 0.55vw solid transparent;
    border-left: 0.73vw solid #fff;
  }
}

/* smart-phone */
@media (max-width: 768px) {
  .okurimono {
    padding: 6.51vw 0 16.93vw;
  }

  .lead-ttl {
    font-size: 1.8rem;
    letter-spacing: 0.33vw;
  }

  .img-ttl {
    margin: 0 auto 3.91vw;
    max-width: 133.46vw;
  }

  .lead-ttl .year,
  .lead-ttl .day-of-week {
    font-size: 1.8rem;
  }

  .lead-ttl .day {
    font-size: 2.5rem;
  }

  .sec-instructors {
    margin-top: 7.81vw;
  }

  .instructor-para {
    font-size: 14px;
    letter-spacing: 0.65vw;
  }

  .instructors-lst {
    justify-content: space-between;
    margin-top: 4.56vw;
  }

  .instructor-item {
    max-width: 26.58vw;
    width: 32%;
    margin-bottom: 4.56vw;
  }

  /*.instructor-item.small {
    width: 29.58vw;
  }*/

  .instructor-item.has-margin {
    margin-right: 0;
  }

  .instructor-item .instructor-img {
    border-radius: unset;
  }

  .instructor-item .instructor-name {
    margin-top: 1.04vw;
    font-size: 1.2rem;
    letter-spacing: 0.26vw;
  }

  .sec-program {
    margin-top: 8.85vw;
  }

  .program-ttl {
    width: 40.3vw;
  }

  .sec-program .sub-ttl {
    margin-top: 4.56vw;
    margin-bottom: 3.26vw;
    font-size: 20px;
    letter-spacing: 0.52vw;
  }

  .sec-program p {
    font-size: 14px;
    letter-spacing: 0.65vw;
  }

  .sec-information {
    margin-top: 15.63vw;
  }

  .info-card {
    padding: 9.77vw 6.63vw 9.11vw;
    border-radius: 1.3vw;
  }

  .info-card::before {
    top: -7.16vw;
    right: 0.26vw;
    width: 21.09vw;
    height: 18.36vw;
  }

  .info-card::after {
    bottom: -6.51vw;
    left: 2.6vw;
    width: 11.07vw;
    height: 17.58vw;
  }

  .information-ttl {
    width: 52.06vw;
    margin: 0 auto 6.51vw;
  }

  .sec-information .info-box {
    display: block;
    margin-bottom: 5.21vw;
    font-size: 14px;
    letter-spacing: 0.13vw;
  }

  .sec-information .info-box .info-ttl {
    width: 21.48vw;
    margin-bottom: 1.56vw;
  }

  .sec-information .info-box .info-desc {
    width: 100%;
  }

  .info-ttl span {
    padding: 1.56vw;
    border: 0.13vw solid #666;
  }

  .info-desc iframe {
    height: 27.34vw;
    margin-top: 1.56vw;
  }

  .info-desc table {
    margin-top: 1.3vw;
  }

  .info-desc table td {
    padding-right: 1.95vw;
  }

  .special-offer-bnr {
    display: block;
    width: 100%;
    border: 0.26vw solid #e04a3f;
    font-size: 18px;
    letter-spacing: 0.52vw;
  }

  .special-offer-bnr .left,
  .special-offer-bnr .right {
    width: 100%;
    padding: 1.95vw 0;
  }

  .sec-information .note {
    font-size: 13px;
    letter-spacing: 0.13vw;
  }

  .sec-information .btn-apply {
    width: 67.19vw;
    margin: 5.86vw auto 0;
    padding: 2.95vw 0;
    font-size: 1.8rem;
    letter-spacing: 0.35vw;
    border-radius: 10.3vw;
  }

  .sec-information .btn-apply span {
    padding-right: 4.34vw;
  }

  .sec-information .btn-apply span::after {
    border-top: 1.28vw solid transparent;
    border-bottom: 1.28vw solid transparent;
    border-left: 2.84vw solid #fff;
  }
}