@charset "utf-8";

.mizuiku-contents--class-backnumber {
  --backnumber-content-vw: max(100vw, 960px);
  /* --backnumber-design-w: 1440; */
  --backnumber-wave-design-h: 93px;
  /* --backnumber-wave-h: calc(var(--backnumber-content-vw) * var(--backnumber-wave-design-h) / var(--backnumber-design-w)); */
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  overflow-y: clip;
}

.mizuiku-contents--class-backnumber #breadcrumbs {
  background-color: var(--color-mono50);
}

.backnumber-hero {
  /* min-height: max(421px, calc(328px + var(--backnumber-wave-h))); */
  background: #faf2e6;
  overflow: hidden;
  position: relative;
}

.backnumber-hero::before,
.backnumber-hero::after {
  content: "";
  width: 474px;
  height: 363px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  position: absolute;
  z-index: 0;
}

.backnumber-hero::before {
  background-image: url(/class/program/img/loop_cover_01_pc.svg);
  top: -214px;
  left: calc(50% - 720px - 140px);
}

.backnumber-hero::after {
  background-image: url(/class/program/img/loop_cover_02_pc.svg);
  top: -225px;
  right: calc(50% - 720px - 142px);
}

.backnumber-hero__inner {
  box-sizing: border-box;
  max-width: 1440px;
  /* min-height: max(421px, calc(328px + var(--backnumber-wave-h))); */
  margin: 0 auto;
  padding: 80px 20px calc(var(--backnumber-wave-design-h) + 16px);
  position: relative;
  z-index: 1;
}

.backnumber-hero__inner::after {
  content: "";
  width: var(--backnumber-content-vw);
  height: var(--backnumber-wave-design-h);
  background: var(--color-mono50) url(/class/program/img/bg_program_hero_wave.svg) no-repeat center / 100% calc(100% + 1px);
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  z-index: -1;
}

.backnumber-hero__title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  margin: 0;
  text-align: center;
}

.backnumber-hero__subtitle-img {
  display: block;
  width: min(281px, 100%);
  height: auto;
}

.backnumber-hero__title-img {
  display: block;
  width: min(962.744px, 100%);
  height: auto;
  margin: 0 auto;
}

.backnumber-hero__lead {
  margin: 40px 0 0;
  color: var(--color-blue950);
  font-size: 1.125rem;
  font-weight: 500;
  line-height: 1.8;
  letter-spacing: 0.54px;
  text-align: center;
}

.backnumber-hero__link-wrap {
  width: 840px;
  margin: 16px auto 0;
  padding-left: 637px;
  text-align: left;
  box-sizing: border-box;
}

.backnumber-hero__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--color-blue950);
  font-size: 1.125rem;
  font-weight: bold;
  line-height: 1.5;
  letter-spacing: 0.54px;
  text-decoration: none;
  transition: 0.2s;
}

.backnumber-hero__link::after {
  content: "";
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 9999px;
  background: var(--color-blue700) url(/common/img/icon_arrow_right_01.svg) no-repeat center / 7px auto;
  transform: rotate(90deg);
  transition: 0.2s;
}

.backnumber-school-list {
  padding: 0 20px 0;
  background-color: var(--color-mono50);
}

.backnumber-achievement {
  padding: 64px 20px 120px;
  background-color: var(--color-mono50);
}

.backnumber-heading {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 0;
  color: var(--color-blue950);
  font-size: 2.5rem;
  font-weight: bold;
  line-height: 1.5;
  letter-spacing: 1.2px;
}

.backnumber-heading::before {
  content: "";
  flex-shrink: 0;
  width: 12px;
  align-self: stretch;
  border-radius: 9999px;
  background-color: var(--color-blue700);
}

.backnumber-school-list__lead,
.backnumber-achievement__lead {
  margin: 48px 0 0;
  color: var(--color-blue950);
  font-size: 1.125rem;
  font-weight: 500;
  line-height: 1.8;
  letter-spacing: 0.54px;
}

.backnumber-school-list__lead-text--sp,
.backnumber-achievement__lead-text--sp {
  display: none;
}

.backnumber-school-list__body {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 40px;
  margin-top: 48px;
}

.backnumber-achievement-accordion {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 48px;
  border: 0;
  background-color: transparent;
}

.backnumber-achievement-accordion__item {
  overflow: hidden;
  border: 3px solid #dcd5cc;
  border-radius: 20px;
  background-color: var(--color-mono50);
}

.backnumber-achievement-accordion__header {
  padding: 25px 80px;
  font-size: inherit;
  letter-spacing: normal;
}

.backnumber-achievement-accordion__header::after {
  content: "";
  width: 40px;
  height: 40px;
  border-radius: 9999px;
  background: var(--color-blue700) url(/common/img/icon_accordion_white.svg) no-repeat center / 20px auto;
  position: absolute;
  top: 50%;
  right: 80px;
  transform: translateY(-50%);
}

.backnumber-achievement-accordion__header.is-open {
  padding-bottom: 25px;
  border-bottom: 2px solid #dcd5cc;
}

.backnumber-achievement-accordion__header.is-open::after {
  background-image: url(/common/img/icon_accordion_white_open.svg);
}

.backnumber-achievement-accordion__title {
  display: flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  max-width: calc(100% - 64px);
  color: var(--color-blue950);
  position: relative;
}

.backnumber-achievement-accordion__title::after {
  content: none;
}

.backnumber-achievement-accordion__year {
  font-size: 1.5rem;
  font-weight: bold;
  line-height: 1.5;
  letter-spacing: 0.72px;
}

.backnumber-achievement-accordion__period {
  font-size: 1.25rem;
  font-weight: bold;
  line-height: 1.5;
  letter-spacing: 0.6px;
}

.backnumber-achievement-accordion__content {
  display: grid;
  grid-template-rows: 0fr;
  overflow: hidden;
  padding: 0;
  transition: 0.3s;
}

.backnumber-achievement-accordion__content.is-open {
  grid-template-rows: 1fr;
}

.backnumber-achievement-accordion__inner {
  min-height: 0;
  overflow: hidden;
  padding: 0 80px;
}

.backnumber-achievement-accordion__content.is-open .backnumber-achievement-accordion__inner {
  padding: 32px 80px;
}

.backnumber-achievement-accordion__inner:empty {
  padding: 0;
}

.backnumber-achievement-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin: 0;
}

.backnumber-achievement-list__group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.backnumber-achievement-list__prefecture {
  margin: 0;
  padding-bottom: 4px;
  border-bottom: 1px solid #dcd5cc;
  color: #005cab;
  font-size: 1.25rem;
  font-weight: bold;
  line-height: 1.5;
  letter-spacing: 0.6px;
}

.backnumber-achievement-list__schools {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  column-gap: 40px;
  row-gap: 8px;
  margin: 0;
  color: var(--color-blue950);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.48px;
}

.backnumber-achievement-list__schools span {
  min-width: 0;
}

.backnumber-map {
  flex-shrink: 0;
  width: 714px;
  height: 482px;
  position: relative;
}

.backnumber-map__svg {
  display: block;
  width: 100%;
  height: 100%;
}

.backnumber-map__img-sp {
  display: none;
}

.backnumber-map__region {
  cursor: pointer;
  outline: none !important;
  transition: opacity 0.2s;
}

.backnumber-map__region path:not(.backnumber-map__line) {
  outline: none !important;
  transition: fill 0.2s, filter 0.2s;
}

.backnumber-map__region:focus,
.backnumber-map__region:focus-visible,
.backnumber-map__region:active,
.backnumber-map__region path:focus,
.backnumber-map__region path:focus-visible,
.backnumber-map__region path:active {
  outline: none !important;
  box-shadow: none !important;
}

.backnumber-map__line {
  fill: none;
  stroke: #dcd5cc;
  stroke-width: 1.53;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}

.backnumber-map__region--hokkaido path:not(.backnumber-map__line) {
  fill: #6777e0;
}

.backnumber-map__region--tohoku path:not(.backnumber-map__line) {
  fill: #31a0e1;
}

.backnumber-map__region--kanto path:not(.backnumber-map__line) {
  fill: #00c0e2;
}

.backnumber-map__region--chubu path:not(.backnumber-map__line) {
  fill: #34dd50;
}

.backnumber-map__region--kinki path:not(.backnumber-map__line) {
  fill: #a2d82e;
}

.backnumber-map__region--chugoku path:not(.backnumber-map__line) {
  fill: #ffa83f;
}

.backnumber-map__region--kyushu path:not(.backnumber-map__line) {
  fill: #ff8138;
}

.backnumber-map__region.is-active path:not(.backnumber-map__line),
.backnumber-map__region.is-selected path:not(.backnumber-map__line) {
  fill: #8e969c;
}

.backnumber-map__label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 16px 8px 12px;
  border: 2px solid var(--color-blue700);
  border-radius: 12px;
  background-color: var(--color-mono50);
  color: var(--color-blue950);
  font: inherit;
  font-size: 1.125rem;
  font-weight: bold;
  line-height: 1.5;
  letter-spacing: 0.54px;
  white-space: nowrap;
  cursor: pointer;
  appearance: none;
  box-shadow: none !important;
  position: absolute;
  z-index: 2;
  transition: border-color 0.2s, background-color 0.2s, color 0.2s;
}

.backnumber-map__label:hover,
.backnumber-map__label.is-active,
.backnumber-map__label.is-selected,
.backnumber-map__label.is-hover,
.backnumber-map__label:active {
  background-color: #faf2e6;
  color: #005cab;
  text-decoration: underline;
}

.backnumber-map__label:hover,
.backnumber-map__label.is-active,
.backnumber-map__label.is-selected,
.backnumber-map__label.is-hover,
.backnumber-map__label:active {
  padding: 6px 14px 6px 10px;
  border-width: 4px;
}

.backnumber-map__pin {
  width: 16px;
  height: 24px;
  background-color: var(--region-color, var(--color-blue700));
  -webkit-mask: url("data:image/svg+xml,%3Csvg width='16' height='24' viewBox='0 0 16 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M8 0C3.58 0 0 3.58 0 8c0 6 8 16 8 16s8-10 8-16c0-4.42-3.58-8-8-8Zm0 11.2A3.2 3.2 0 1 1 8 4.8a3.2 3.2 0 0 1 0 6.4Z' fill='black'/%3E%3C/svg%3E") no-repeat center / contain;
  mask: url("data:image/svg+xml,%3Csvg width='16' height='24' viewBox='0 0 16 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M8 0C3.58 0 0 3.58 0 8c0 6 8 16 8 16s8-10 8-16c0-4.42-3.58-8-8-8Zm0 11.2A3.2 3.2 0 1 1 8 4.8a3.2 3.2 0 0 1 0 6.4Z' fill='black'/%3E%3C/svg%3E") no-repeat center / contain;
  flex-shrink: 0;
}

.backnumber-map__label--hokkaido {
  --region-color: #6777e0;
  top: 27px;
  left: 589px;
}

.backnumber-map__label--tohoku {
  --region-color: #31a0e1;
  top: 181px;
  left: 567px;
}

.backnumber-map__label--kanto {
  --region-color: #00c0e2;
  top: 333px;
  left: 565px;
}

.backnumber-map__label--chubu {
  --region-color: #34dd50;
  top: 319px;
  left: 414px;
}

.backnumber-map__label--kinki {
  --region-color: #a2d82e;
  top: 339px;
  left: 278px;
}

.backnumber-map__label--chugoku {
  --region-color: #ffa83f;
  top: 390px;
  left: 132px;
}

.backnumber-map__label--kyushu {
  --region-color: #ff8138;
  top: 283px;
  left: 0;
}

.backnumber-map__label--shikoku,
.backnumber-map__label--okinawa {
  display: none;
}

.backnumber-region-modal-back {
  display: none;
}

.backnumber-region-panel {
  --backnumber-region-scrollbar-width: 17px;
  box-sizing: border-box;
  flex: 1 1 0;
  min-width: 267px;
  max-width: calc(410px + var(--backnumber-region-scrollbar-width));
  height: 640px;
  padding: 32px 0 32px 30px;
  overflow: hidden;
  border-radius: 20px;
  background-color: #faf2e6;
}

.backnumber-region-panel__content {
  display: none;
}

.backnumber-region-panel__content.is-active {
  display: block;
  box-sizing: border-box;
  height: 100%;
  padding-right: 30px;
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-gutter: stable;
}

.backnumber-region-panel__heading {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 24px;
  color: var(--color-blue950);
  font-size: 1.5rem;
  font-weight: bold;
  line-height: 1.5;
  letter-spacing: 0.72px;
}

.backnumber-region-panel__icon {
  width: 16px;
  height: 24px;
  background-color: var(--panel-region-color, var(--color-blue700));
  -webkit-mask: url("data:image/svg+xml,%3Csvg width='16' height='24' viewBox='0 0 16 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M8 0C3.58 0 0 3.58 0 8c0 6 8 16 8 16s8-10 8-16c0-4.42-3.58-8-8-8Zm0 11.2A3.2 3.2 0 1 1 8 4.8a3.2 3.2 0 0 1 0 6.4Z' fill='black'/%3E%3C/svg%3E") no-repeat center / contain;
  mask: url("data:image/svg+xml,%3Csvg width='16' height='24' viewBox='0 0 16 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M8 0C3.58 0 0 3.58 0 8c0 6 8 16 8 16s8-10 8-16c0-4.42-3.58-8-8-8Zm0 11.2A3.2 3.2 0 1 1 8 4.8a3.2 3.2 0 0 1 0 6.4Z' fill='black'/%3E%3C/svg%3E") no-repeat center / contain;
  flex-shrink: 0;
}

[data-region-panel="hokkaido"] {
  --panel-region-color: #6777e0;
}

[data-region-panel="tohoku"] {
  --panel-region-color: #31a0e1;
}

[data-region-panel="kanto"] {
  --panel-region-color: #00c0e2;
}

[data-region-panel="chubu"] {
  --panel-region-color: #34dd50;
}

[data-region-panel="kinki"] {
  --panel-region-color: #a2d82e;
}

[data-region-panel="chugoku"] {
  --panel-region-color: #ffa83f;
}

[data-region-panel="kyushu"] {
  --panel-region-color: #ff8138;
}

.backnumber-region-panel__note {
  margin-left: auto;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.48px;
  text-align: left;
  white-space: nowrap;
}

.backnumber-region-panel__name {
  white-space: nowrap;
}

@media (hover: hover) {
  .backnumber-achievement-accordion__header:hover {
    text-decoration: none;
  }
  .backnumber-achievement-accordion__header:hover .backnumber-achievement-accordion__title::before {
    content: "";
    width: 100%;
    height: 2px;
    background-color: var(--color-blue700);
    position: absolute;
    left: 0;
    bottom: 0;
  }
}

@media screen and (max-width: 1290px) {
  .backnumber-region-panel__note {
    flex-basis: 100%;
    margin-left: 24px;
    min-width: 0;
    white-space: normal;
  }
}

@media screen and (max-width: 430px) {
  .backnumber-achievement-accordion__title {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    white-space: normal;
  }
}

.backnumber-prefecture-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 0;
  padding: 0 0 32px;
  list-style: none;
}

.backnumber-prefecture-list__button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 16px 0 15px 16px;
  border: 0;
  border-bottom: 1px solid #dcd5cc;
  background: transparent;
  color: var(--color-blue950);
  font: inherit;
  font-size: 1.25rem;
  font-weight: bold;
  line-height: 1.5;
  letter-spacing: 0.6px;
  text-align: left;
  cursor: pointer;
  appearance: none;
  box-shadow: none !important;
}

.backnumber-prefecture-list__button span {
  width: 24px;
  height: 24px;
  border-radius: 9999px;
  background-color: var(--color-blue700);
  position: relative;
  flex-shrink: 0;
}

.backnumber-prefecture-list__button span::before,
.backnumber-prefecture-list__button span::after {
  content: "";
  width: 10px;
  height: 2px;
  border-radius: 9999px;
  background-color: var(--color-mono50);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.backnumber-prefecture-list__button span::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.backnumber-prefecture-list--static {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 0 16px 32px 8px;
  color: var(--color-blue950);
  font-size: 1rem;
  line-height: 1.5;
  letter-spacing: 0.48px;
}

.backnumber-prefecture-list__button.is-open span::after {
  opacity: 0;
}

.backnumber-prefecture-list__content {
  display: grid;
  grid-template-rows: 0fr;
  overflow: hidden;
  transition: 0.3s;
}

.backnumber-prefecture-list__content.is-open {
  grid-template-rows: 1fr;
}

.backnumber-prefecture-list__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  min-height: 0;
  overflow: hidden;
  padding: 0 16px;
  color: var(--color-blue950);
  font-size: 1rem;
  line-height: 1.5;
  letter-spacing: 0.48px;
}

.backnumber-prefecture-list__content.is-open .backnumber-prefecture-list__inner {
  padding: 16px 16px 20px;
  border-bottom: 1px solid #dcd5cc;
}

@media (hover: hover) {
  .backnumber-hero__link:hover {
    color: var(--color-blue700);
    text-decoration: underline;
  }

  .backnumber-hero__link:hover::after {
    transform: rotate(90deg) scale(1.333);
  }

  .backnumber-achievement-accordion__header:hover .backnumber-achievement-accordion__title {
    color: var(--color-blue700);
  }

  /* .backnumber-achievement-accordion__header:hover .backnumber-achievement-accordion__title::before {
    content: "";
    height: 1px;
    background-color: var(--color-blue700);
    position: absolute;
    right: 0;
    bottom: 2px;
    left: 0;
  } */

  .backnumber-prefecture-list__button:hover {
    color: var(--color-blue700);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 4px;
  }
}

@media screen and (min-width: 769px) and (max-width: 1100px) {
  .backnumber-school-list__body {
    gap: clamp(20px, 3vw, 40px);
  }

  .backnumber-region-panel__heading {
    white-space: normal;
  }

  .backnumber-map {
    flex: 1 1 auto;
    width: auto;
    min-width: 0;
    max-width: 714px;
    height: auto;
    aspect-ratio: 714 / 482;
  }

  .backnumber-map__label {
    gap: 3px;
    padding: 6px 12px 6px 9px;
    border-radius: 10px;
    font-size: clamp(0.75rem, 1.6vw, 1.125rem);
  }

  .backnumber-map__label:hover,
  .backnumber-map__label.is-active,
  .backnumber-map__label.is-selected,
  .backnumber-map__label.is-hover,
  .backnumber-map__label:active {
    padding: 4px 10px 4px 7px;
  }

  .backnumber-map__pin {
    width: 12px;
    height: 18px;
  }

  .backnumber-map__label--hokkaido {
    top: 5.6%;
    left: 82.493%;
  }

  .backnumber-map__label--tohoku {
    top: 37.552%;
    left: 79.412%;
  }

  .backnumber-map__label--kanto {
    top: 69.087%;
    left: 79.132%;
  }

  .backnumber-map__label--chubu {
    top: 66.183%;
    left: 57.983%;
  }

  .backnumber-map__label--kinki {
    top: 70.332%;
    left: 38.936%;
  }

  .backnumber-map__label--chugoku {
    top: 80.913%;
    left: 18.487%;
  }

  .backnumber-map__label--kyushu {
    top: 58.714%;
  }
}

@media screen and (max-width: 768px) {
  body.is-backnumber-region-modal-open {
    overflow: hidden;
  }

  .mizuiku-contents--class-backnumber {
    --backnumber-content-vw: 100vw;
    /* --backnumber-wave-h: 25px; */
    overflow: visible;
  }

  .backnumber-hero {
    min-height: 298px;
    background: linear-gradient(#faf2e6 0 calc(100% - 26px), var(--color-mono50) calc(100% - 26px));
  }

  .backnumber-hero::before,
  .backnumber-hero::after {
    width: 104px;
    height: 82px;
  }

  .backnumber-hero::before {
    background-image: url(/class/program/img/loop_cover_01_sp.svg);
    top: -54px;
    left: -23px;
  }

  .backnumber-hero::after {
    background-image: url(/class/program/img/loop_cover_02_sp.svg);
    top: -39px;
    right: -31px;
  }

  .backnumber-hero__inner {
    min-height: 298px;
    padding: 32px 20px 44px;
  }

  .backnumber-hero__inner::after {
    width: 100vw;
    height: 27px;
  }

  .backnumber-hero__title {
    width: 100%;
    gap: 12px;
  }

  .backnumber-hero__subtitle-img {
    width: 149px;
  }

  .backnumber-hero__title-img {
    width: min(237px, 100%);
  }

  .backnumber-hero__lead {
    margin-top: 24px;
    font-size: 1rem;
    line-height: 1.8;
    letter-spacing: 0.48px;
    text-align: left;
  }

  .backnumber-hero__lead br {
    display: none;
  }

  .backnumber-hero__link-wrap {
    width: auto;
    margin-top: 8px;
    padding-left: 0;
    text-align: right;
  }

  .backnumber-hero__link {
    font-size: 1rem;
    letter-spacing: 0.48px;
  }

  .backnumber-hero__link::after {
    width: 20px;
    height: 20px;
    background-size: 6px auto;
  }

  .backnumber-school-list {
    padding: 48px 20px 0;
  }

  .backnumber-achievement {
    padding: 48px 20px;
  }

  .backnumber-heading {
    gap: 12px;
    font-size: 1.75rem;
    letter-spacing: 0.84px;
  }

  .backnumber-heading::before {
    width: 8px;
  }

  .backnumber-school-list__lead,
  .backnumber-achievement__lead {
    margin-top: 24px;
    font-size: 1rem;
    letter-spacing: 0.48px;
  }

  .backnumber-school-list__lead-text--pc,
  .backnumber-achievement__lead-text--pc {
    display: none;
  }

  .backnumber-school-list__lead-text--sp,
  .backnumber-achievement__lead-text--sp {
    display: inline;
  }

  .backnumber-school-list__body {
    flex-direction: column;
    align-items: center;
    gap: 32px;
    margin-top: 32px;
    position: relative;
  }

  .backnumber-school-list__body.is-panel-open {
    background-color: #fff;
  }

  .backnumber-school-list__body.is-panel-open::before {
    content: "";
    width: 100%;
    height: 100%;
    background-color: #fff;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
  }

  .backnumber-map {
    width: 100%;
    height: auto;
    aspect-ratio: 335 / 227;
  }

  .backnumber-school-list__body.is-panel-open .backnumber-map {
    visibility: hidden;
  }

  .backnumber-map__svg {
    display: none;
  }

  .backnumber-map__img-sp {
    display: block;
    width: 100%;
    height: 100%;
  }

  .backnumber-map__label {
    display: block;
    padding: 0;
    border: 0;
    border-radius: 0;
    background-color: transparent;
    color: transparent;
    font-size: 0;
    line-height: 0;
    opacity: 0;
  }

  .backnumber-map__label:hover,
  .backnumber-map__label.is-active,
  .backnumber-map__label.is-selected,
  .backnumber-map__label.is-hover,
  .backnumber-map__label:active {
    padding: 0;
    border: 0;
    background-color: transparent;
    color: transparent;
    opacity: 0;
  }

  .backnumber-map__pin {
    display: none;
  }

  .backnumber-map__label--hokkaido {
    top: 0;
    right: 0;
    left: auto;
    width: 22.5%;
    height: 26.5%;
    clip-path: polygon(14% 0, 100% 0, 89% 22%, 85% 43%, 72% 44%, 69% 52%, 29% 52%, 0 100%);
  }

  .backnumber-map__label--tohoku {
    top: 24.7%;
    right: 3.8%;
    left: auto;
    width: 22%;
    height: 38%;
    clip-path: polygon(13% 0, 57% 0, 55% 13%, 100% 13%, 96% 31%, 86% 75%, 79% 75%, 70% 100%, 15% 100%, 22% 65%, 0 64%, 12% 12%);
  }

  .backnumber-map__label--kanto {
    top: 62.9%;
    right: 8%;
    left: auto;
    width: 21%;
    height: 26%;
    clip-path: polygon(7% 0, 100% 0, 83% 100%, 58% 100%, 60% 89%, 23% 89%, 29% 45%, 0 44%);
  }

  .backnumber-map__label--chubu {
    top: 48%;
    left: 47.7%;
    width: 31.5%;
    height: 42%;
    clip-path: polygon(39% 0, 47% 17%, 85% 17%, 88% 4%, 100% 4%, 91% 35%, 70% 35%, 64% 100%, 24% 100%, 28% 88%, 0 88%, 7% 48%, 32% 48%);
  }

  .backnumber-map__label--kinki {
    top: 62.5%;
    left: 32.7%;
    width: 24.5%;
    height: 26.5%;
    clip-path: polygon(10% 0, 63% 0, 57% 30%, 100% 30%, 90% 100%, 21% 100%, 28% 63%, 0 63%);
  }

  .backnumber-map__label--chugoku {
    top: 62.5%;
    left: 17.4%;
    width: 17.5%;
    height: 17%;
    clip-path: polygon(8% 0, 100% 0, 90% 100%, 0 100%);
  }

  .backnumber-map__label--shikoku {
    top: 82.4%;
    left: 18.5%;
    width: 15%;
    height: 12.5%;
    clip-path: polygon(8% 0, 100% 0, 87% 100%, 0 100%);
  }

  .backnumber-map__label--kyushu {
    top: 56%;
    left: 0;
    width: 24%;
    height: 43.8%;
    clip-path: polygon(13% 0, 81% 0, 66% 21%, 100% 21%, 80% 100%, 55% 100%, 59% 89%, 22% 89%, 39% 25%, 0 25%);
  }

  .backnumber-map__label--okinawa {
    top: 45.5%;
    left: 5.4%;
    width: 12.5%;
    height: 12%;
    clip-path: polygon(11% 0, 100% 0, 86% 100%, 0 100%);
  }

  .backnumber-map__label--hokkaido,
  .backnumber-map__label--tohoku,
  .backnumber-map__label--kanto,
  .backnumber-map__label--chubu,
  .backnumber-map__label--kinki,
  .backnumber-map__label--chugoku,
  .backnumber-map__label--shikoku,
  .backnumber-map__label--kyushu,
  .backnumber-map__label--okinawa {
    clip-path: none;
  }

  .backnumber-region-modal-back {
    display: none;
    align-items: center;
    gap: 8px;
    width: 100vw;
    padding: 32px 32px 12px;
    border: 0;
    border-bottom: 1px solid #dcd5cc;
    background-color: #fff;
    color: var(--color-blue950);
    font: inherit;
    font-size: 1rem;
    font-weight: bold;
    line-height: 1.5;
    letter-spacing: 0.48px;
    text-align: left;
    cursor: pointer;
    appearance: none;
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1002;
  }

  .backnumber-region-modal-back span {
    width: 20px;
    height: 20px;
    border-radius: 9999px;
    background: var(--color-blue700) url(/common/img/icon_arrow_right_01.svg) no-repeat center / 6px auto;
    transform: rotate(180deg);
    flex-shrink: 0;
  }

  .backnumber-school-list__body.is-panel-open .backnumber-region-modal-back {
    display: flex;
  }

  .backnumber-region-panel {
    display: none;
    width: min(335px, calc(100vw - 40px));
    min-width: min(267px, calc(100vw - 40px));
    max-width: 335px;
    height: calc(100dvh - 101px);
    max-height: none;
    padding: 24px 0 24px 24px;
    border-radius: 20px;
    position: fixed;
    top: 101px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1001;
  }

  .backnumber-school-list__body.is-panel-open .backnumber-region-panel {
    display: block;
  }

  .backnumber-region-panel__content.is-active {
    padding-right: 24px;
    scrollbar-gutter: auto;
  }

  .backnumber-region-panel__heading {
    margin-bottom: 16px;
    font-size: 1.25rem;
    letter-spacing: 0.6px;
  }

  .backnumber-region-panel__note {
    font-size: 0.875rem;
    letter-spacing: 0.42px;
  }

  .backnumber-prefecture-list {
    padding-bottom: 24px;
  }

  .backnumber-prefecture-list__button {
    padding: 14px 0 13px 8px;
    font-size: 1rem;
    letter-spacing: 0.48px;
  }

  .backnumber-prefecture-list__button span {
    width: 20px;
    height: 20px;
  }

  .backnumber-achievement-accordion {
    margin-top: 32px;
    gap: 12px;
  }

  .backnumber-achievement-accordion__item {
    border-width: 2px;
    border-radius: 16px;
    overflow: visible;
    overflow-anchor: none;
    isolation: isolate;
  }

  .backnumber-achievement-accordion__header {
    padding: 18px 20px;
  }

  .backnumber-achievement-accordion__header::after {
    width: 32px;
    height: 32px;
    background-size: 16px auto;
    right: 20px;
  }

  .backnumber-achievement-accordion__header.is-open {
    padding-bottom: 18px;
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    z-index: 10;
    border-radius: 14px 14px 0 0;
    background-color: var(--color-mono50);
  }

  .backnumber-achievement-accordion__header.is-open::before {
    content: "";
    background-color: var(--color-mono50);
    border-radius: inherit;
    position: absolute;
    inset: 0;
    z-index: -1;
  }

  .backnumber-achievement-accordion__content.is-open {
    position: relative;
    z-index: 0;
    border-radius: 0 0 14px 14px;
    background-color: var(--color-mono50);
  }

  .backnumber-achievement-accordion__title {
    gap: 6px;
    max-width: calc(100% - 48px);
    white-space: nowrap;
  }

  .backnumber-achievement-accordion__year {
    font-size: 1.25rem;
    letter-spacing: 0.6px;
  }

  .backnumber-achievement-accordion__period {
    font-size: 0.9375rem;
    letter-spacing: 0.45px;
  }

  .backnumber-achievement-accordion__inner {
    padding: 0 20px;
  }

  .backnumber-achievement-accordion__content.is-open .backnumber-achievement-accordion__inner {
    overflow: visible;
    padding: 24px 20px calc(32px + env(safe-area-inset-bottom));
  }

  .backnumber-achievement-accordion__inner:empty {
    padding: 0;
  }

  .backnumber-prefecture-list__inner {
    gap: 6px;
    padding: 0 16px;
    font-size: 0.9375rem;
    letter-spacing: 0.45px;
  }

  .backnumber-prefecture-list__content.is-open .backnumber-prefecture-list__inner {
    padding: 14px 16px 18px;
  }

  .backnumber-prefecture-list--static {
    gap: 6px;
    padding: 0 16px 32px 8px;
    font-size: 0.9375rem;
    letter-spacing: 0.45px;
  }

  .backnumber-achievement-list {
    gap: 24px;
  }

  .backnumber-achievement-list__prefecture {
    font-size: 1.125rem;
    letter-spacing: 0.54px;
  }

  .backnumber-achievement-list__schools {
    grid-template-columns: 1fr;
    row-gap: 6px;
    font-size: 0.9375rem;
    letter-spacing: 0.45px;
  }
}

.backnumber-achievement__lead-word--sp {
  display: none;
}

@media screen and (max-width: 767px) {
  .backnumber-achievement__lead-word--pc {
    display: none;
  }

  .backnumber-achievement__lead-word--sp {
    display: inline;
  }
}