@charset "UTF-8";

html {
  scroll-behavior: unset;
}
:root {
  --text-color-01: #363658;
  --text-color-02: #9f9d2a;
  --text-color-03: #8497b7;
  --bg-color01: #dfe7ef;
  --bg-color02: #eaecd8;
  --bg-color03: #f1f2e6;
  --bg-color04: #e7e5f5;
  --grade-color-01: linear-gradient(90deg, #b9dffd, #ecf7ff);
}
body {
  color: var(--text-color-01);
  letter-spacing: 0.03rem;
}
main {
  overflow: visible;
  background-color: unset;
}
section {
  background-color: unset;
}
header,
footer {
  display: none;
}
h1,
h2,
h3,
.font-serif {
  font-family: serif;
}
a {
  color: var(--text-color-01);
}

/* loading */
.anniv-loader {
  position: fixed;
  width: 100%;
  height: 100vh;
  background-color: #fff;
  z-index: 555;
  top: 0;
  left: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}
.anniv-load-img {
  width: 30%;
  opacity: 0.1;
  animation: logoFadeIn 5s ease forwards;
  -webkit-mask-image: linear-gradient(
    to left,
    transparent 0%,
    black 40%,
    black 100%
  );
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-size: 300% 100%;
  -webkit-mask-position: right;
  mask-image: linear-gradient(to left, transparent 0%, black 40%, black 100%);
  mask-repeat: no-repeat;
  mask-size: 300% 100%;
  mask-position: right;
}
@keyframes logoFadeIn {
  0% {
    opacity: 0;
    -webkit-mask-position: 100% 0;
    mask-position: 100% 0;
  }
  30% {
    opacity: 0.5;
  }
  100% {
    opacity: 1;
    -webkit-mask-position: 0% 0;
    mask-position: 0% 0;
  }
}

/*メニュー*/
.anniv-header {
  position: relative;
}
.anniv-hamburger {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  width: 48px;
  aspect-ratio: 1;
  border: none;
  background: transparent;
  cursor: pointer;
}
.anniv-hamburger-line {
  position: absolute;
  left: 11px;
  width: 26px;
  height: 2px;
  background-color: var(--text-color-01);
  transition: all 0.6s;
}
.anniv-hamburger-line:nth-of-type(1) {
  top: 14px;
}
.anniv-hamburger-line:nth-of-type(2) {
  top: 23px;
}
.anniv-hamburger.active .anniv-hamburger-line {
  background-color: #fff;
}
.anniv-hamburger.active .anniv-hamburger-line:nth-of-type(1) {
  transform: translateY(5px) rotate(-45deg);
}
.anniv-hamburger.active .anniv-hamburger-line:nth-of-type(2) {
  transform: translateY(-5px) rotate(45deg);
}

.anniv-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-image: linear-gradient(90deg, #6679ac, #8b99d9, #6679ac);
  visibility: hidden;
  opacity: 0;
  transition: all 0.6s;
  z-index: 900;
}
.anniv-header-logo {
  .anniv-logo {
    width: 5%;
    position: absolute;
    top: 3%;
    left: 3%;
  }
}
.anniv-menu.active {
  visibility: visible;
  opacity: 1;
  overflow-y: scroll;
}
.anniv-menu-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: fit-content;

  & ul {
    margin: 0;
    padding: 0;
    list-style: none;
  }
}

.anniv-menu-item {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s;

  & a {
    display: inline-block;
    padding: 20px;
    transition: color 0.3s;
  }
  & p {
    color: #dad62a;
    font-size: 2rem;
    margin: 0;
  }
  & span {
    display: block;
    font-size: 1rem;
    color: #fff;
  }
}
.anniv-last-menu span {
  border: 1px solid;
  margin: 2vw 0;
  padding: 1vw 2vw;
}
.anniv-menu.active .anniv-menu-item {
  opacity: 1;
  transform: translateY(0);
}
.anniv-menu.active .anniv-menu-item:nth-child(1) {
  transition-delay: 0.1s;
}
.anniv-menu.active .anniv-menu-item:nth-child(2) {
  transition-delay: 0.2s;
}
.anniv-menu.active .anniv-menu-item:nth-child(3) {
  transition-delay: 0.3s;
}
.anniv-menu.active .anniv-menu-item:nth-child(4) {
  transition-delay: 0.4s;
}
.anniv-menu.active .anniv-menu-item:nth-child(5) {
  transition-delay: 0.5s;
}
.anniv-menu.active .anniv-menu-item:nth-child(6) {
  transition-delay: 0.6s;
}

/*メイン*/
.anniv-container {
  text-align: center;
}

#anniv-top {
  width: 100%;
  height: 100vh;
  position: relative;

  & video {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
  }
}

#anniv-message {
  padding: 0;
  position: relative;
}
.anniv-para-content {
  clip-path: inset(0);
  width: 100%;
  color: #fff;
  text-align: center;
  position: relative;
}
.anniv-para-content01 {
  height: 100vh;

  &::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    z-index: -10;
    width: 100%;
    height: 100%;
    background-image: url("../img/tree-img.jpg");
    background-size: cover;
  }
}
.anniv-para-content02 {
  height: 33vh;
  min-height: calc(10rem + 3em);
}
.anniv-paratext {
  position: fixed;
  top: 50%;
  left: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  transition: all 0.8s ease;

  & h1 {
    margin: 0;
    font-size: 3rem;
    letter-spacing: 0.2rem;
  }
  & p {
    margin: 0;
  }
}
.anniv-para-content01 .anniv-paratext {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s ease, transform 1s ease;
}
.anniv-para-content01 .anniv-paratext.parashow {
  opacity: 1;
  transform: translateY(0);
}
.anniv-para-content02 .anniv-paratext {
  color: var(--text-color-01);
}
.anniv-para-content02 .anniv-paratext.sticky {
  position: absolute;
}

.anniv-message1 {
  width: 100%;
  position: relative;
  z-index: 1;
  padding: 0;
}
.annivtop-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.anniv-message2 {
  position: relative;
  z-index: 1;
  padding: 0 0 150px;
  background-color: #fff;

  & h1 {
    font-size: 3rem;
    letter-spacing: 0.1rem;
    margin: 0 auto;
  }
  & h2 {
    font-size: 2rem;
    letter-spacing: 0.1rem;
    margin: 0vw auto 4vw;
  }
  & p {
    margin: 0;
    line-height: 1.8;
    width: 60%;
    margin: 0 auto;
    text-align: left;
  }
}
.go-sic {
  margin: 4vw auto;
  width: fit-content;

  & a {
    border: 3px solid #cfdcfd;
    display: block;
    font-size: 0.9rem;
    padding: 1vw 2vw;
    border-radius: 15px;
    white-space: pre;
  }
}

#anniv-alumni,
#anniv-alumni-page {
  background-image: var(--grade-color-01);
  padding: 150px 0;

  .anniv-wrap {
    border-top: 5px solid var(--text-color-02);
    border-bottom: 5px solid var(--text-color-02);
    background-image: linear-gradient(90deg, #fff, #e0f1fd);
  }
  .anniv-logo {
    width: 15%;
  }
}
.anniv-alumni-ttl {
  margin: 1vw auto 3vw;

  & h3 {
    font-size: 2rem;
    color: var(--text-color-02);
  }
  & h2 {
    margin: 3vw auto 1vw;
  }
  & p {
    margin: 0 auto;
  }
  & span {
    display: block;
    font-size: 0.9rem;
  }
}
.go-anniv-alumni {
  margin: 6vw auto;
  width: fit-content;

  & a {
    display: flex;
    border-bottom: 1px solid;
    align-items: center;
    justify-content: center;
    gap: 6px;

    &::after {
      content: "";
      background: no-repeat url(../img/anniv-icon01.svg);
      display: block;
      width: 20px;
      aspect-ratio: 1;
      background-position: 100%;
    }
  }
}

.anniv-wrap {
  position: relative;
  width: 100%;
  overflow: hidden;
}
.anniv-alumni-slide {
  scroll-snap-type: x mandatory;
  white-space: nowrap;
  overflow-x: auto;
  margin: 0 auto;
  padding: 60px 0;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.anniv-alumni-slide::-webkit-scrollbar {
  display: none;
}
.anniv-item {
  scroll-snap-align: center;
  display: inline-block;
  margin: 0 20px;
  white-space: normal;
  border-radius: 20px;
  overflow: hidden;
  background-image: linear-gradient(180deg, #fff, #d4ebfd);
  position: relative;
  padding: 1vw;
  width: 400px;

  & img {
    display: block;
    width: auto;
    height: 100%;
    object-fit: cover;
  }

  & p {
    margin: 0;
    padding: 1vw 2vw;
    font-size: 1rem;
    position: absolute;
    bottom: 10%;
    background: rgba(255, 255, 255, 0.9);
  }
  & span {
    display: block;
    font-size: 0.8rem;
  }
}

#anniv-ceremony {
  background-color: var(--bg-color02);

  .anniv-logo.fadeup {
    opacity: 0;
    transform: translateY(0);
    transition: opacity 1s ease;
  }
  .anniv-logo.fadeup.show {
    opacity: 1;
  }
}
.anniv-ceremony-container {
  padding: 100px 50px 50px;
  max-width: 700px;
  width: 70%;
  margin-inline: auto;
  position: relative;
  z-index: 0;
  text-align: center;

  .anniv-logo {
    width: 25%;
  }
  & h3 {
    font-size: 1.5rem;
    color: var(--text-color-02);
    margin: 1vw auto;
    letter-spacing: 0.1rem;
  }
}
.anniv-ceremony-container::before {
  content: "";
  position: absolute;
  background-color: var(--bg-color03);
  filter: blur(2px);
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}
.anniv-ceremony-container02 {
  background-color: #fff;
  border-radius: 2vw;
  width: 60%;
  margin-inline: auto;
  padding: 100px;
  text-align: center;

  & h2 {
    margin: 1vw auto;
    line-height: 3rem;
    font-size: 2.5rem;
  }
  .honbun {
    font-size: 1rem;
    letter-spacing: 0.1rem;
    margin: 4vw auto 0;
    text-align: left;
    width: 80%;

    & p {
      margin-inline: auto;
      text-align: justify;
    }
  }
  .honbun::before {
    content: "";
    display: block;
    margin: 1vw auto 3vw;
    width: 65%;
    height: 2px;
    background-color: var(--text-color-02);
  }
}
.ceremony-ttl {
  color: var(--text-color-02);
  margin-bottom: 2vw;

  & p {
    font-size: 1.7rem;
    margin: 0 auto;
  }
}
.anniv-date {
  font-size: 2.5rem;
  font-weight: 600;
  margin: 2vw auto 0;
}
.anniv-time {
  margin: 1vw auto 0;
  font-weight: 600;
  font-size: 1.5rem;
}
.anniv-place {
  margin: 0;
}
.anniv-entry {
  font-size: 1.3rem;

  & h4 {
    font-size: 1.2rem;
    margin: 0 auto 2vw;
  }
  & p {
    margin: 1vw auto;
  }
  & span {
    font-size: 1rem;
    display: block;
  }
}
.anniv-annai {
  margin: 3vw auto;

  & a {
    color: #fff;
    background-color: #b2ae81;
    padding: 1vw 3vw;
    border-radius: 10px;
    font-size: 1rem;
  }
}
.anniv-moushikomi {
  margin: 3vw auto;

  & a {
    color: #807f1e;
    border: 2px solid #caca99;
    padding: 1vw 3vw;
    border-radius: 10px;
    font-size: 1rem;
  }
}
.anniv-kifu {
  background-color: var(--bg-color04);
  text-align: center;
  font-size: 1.1rem;
  padding: 150px 0;

  .honbun {
    line-height: 1.8;
  }
}
.anniv-kifu-ttl {
  margin: 0 auto 3vw;
  font-size: 1.2rem;
}
.corner-ttl {
  position: relative;
  display: inline-block;
  padding: 1vw 3vw;
  font-size: 1.3rem;
  margin: 0 auto;

  &::before,
  &::after {
    content: "";
    position: absolute;
    width: 40px;
    height: 40px;
    border: 1px solid var(--text-color-01);
  }
  &::before {
    top: 0;
    left: 0;
    border-width: 1px 0 0 1px;
  }
  &::after {
    bottom: 0;
    right: 0;
    border-width: 0 1px 1px 0;
  }
}
.go-kifu {
  margin: 5vw 0 0;

  & a {
    color: #fff;
    background-color: var(--text-color-01);
    padding: 1vw 2vw;
    border-radius: 10px;
    font-size: 1rem;
  }
}

.anniv-history-back {
  clip-path: inset(0);
  width: 100%;
  position: relative;
}
.anniv-history-img {
  height: 50vh;

  &::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    z-index: -10;
    width: 100%;
    height: 100%;
    background-image: url("../img/anniv-history-back.jpg");
    background-size: cover;
  }
}
#anniv-history {
  background-image: linear-gradient(90deg, #cfdbfd, #dfe7ef);
  padding: 100px 0;
}
.anniv-history-ttl {
  margin: 5vw auto 3vw;

  & h2 {
    margin: 0 auto;
    font-size: 3rem;
  }
  & p {
    margin-top: 0;
  }
  .history-p {
    font-size: 1.5rem;
    margin: 0;
  }
}
.anniv-history-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}
.anniv-history-slide {
  overflow-x: auto;
  display: flex;
  flex: 1;
  scroll-behavior: smooth;
  padding: 1vw;
  background-image: linear-gradient(90deg, #e5dbfd, #d3e7ef);
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.anniv-history-slide::-webkit-scrollbar {
  display: none;
}
.anniv-history-content {
  display: flex;
  gap: 15px;
  padding: 0;
  margin: 0;
  list-style: none;

  & li {
    flex: 0 0 30%;
    background: #fff;
    display: grid;
    grid-template-rows: 2fr 1fr;
  }
  & img {
    width: 100%;
    height: 400px;
    object-fit: cover;
  }
  & p {
    padding: 1vw;
    margin: 0;
    text-align: left;
  }
  & span {
    display: block;
    font-weight: 600;
  }
}
.anniv-history-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 0 15px;
  padding: 15px 5% 5px;
  font-weight: bold;
  background: #a8aec9;
}
.history-nav {
  background: transparent;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  color: #fff;
  font-family: serif;
}
.history-nav:hover {
  opacity: 0.8;
}

#anniv-next {
  padding: 100px 0 200px;
  background-color: #fff;

  & h2 {
    margin: 0 0 8vw;

    & span {
      font-size: 6rem;
      display: block;
    }
  }
}
.anniv-container02 {
  display: grid;
  grid-template-columns: 60% 25%;
  justify-content: center;
  gap: 8vw;
  align-items: center;
  margin: 5vw auto;

  .honbun {
    width: 80%;
    max-width: 700px;
    margin: 0 0 0 auto;
    text-indent: 1rem;
    text-align: justify;
    font-size: 1.2rem;

    & span {
      display: block;
      text-align: right;
    }
  }
  & img {
    width: 80%;
    height: auto;
    display: block;
    object-fit: cover;
  }
}

.anniv-footer {
  padding: 150px 0 50px;
  background-color: var(--text-color-01);

  & a {
    display: block;
  }
  .anniv-logo {
    width: 15%;
  }
}
.anniv-footerlink img {
  width: 100%;
  height: auto;
  object-fit: cover;
}
.anniv-footerlink01 {
  margin: 2vw auto;
  width: 25%;
}
.anniv-footerlink02 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2vw;
  width: 70%;
  margin: 3vw auto;
}
.anniv-up {
  width: 95%;
  margin: 5vw auto;

  & a {
    width: 4vw;
    margin-left: auto;
  }
}
.anniv-copyright {
  color: var(--text-color-02);
  margin: 5vw auto 0;
  font-size: 0.8rem;
}

/*アルムナイページ*/
.anniv-alumni-content {
  background-color: #eff1e5;
  border-top: 3px solid var(--text-color-02);
  border-bottom: 3px solid var(--text-color-02);
}
.anniv-alumni-container {
  width: 80%;
  margin: 5vw auto;
  padding: 0;
}
.anniv-alumni-item {
  background-color: #fff;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: auto 1fr 1fr;
  gap: 3vw;
  padding: 3vw;
  border-radius: 10px;
  margin: 3vw auto;

  & img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    grid-row: span 3 / span 3;
  }
  .alumni-name {
    font-size: 2rem;
    text-align: center;
    margin-bottom: auto;
  }
  .alumni-detail {
    text-align: center;
    font-size: 1.1rem;
  }
  .alumni-message {
    text-align: justify;
    grid-row: span 2 / span 2;
    grid-column-start: 2;
    margin: 0;
    font-size: 1.2rem;
  }
}
.anniv-alumni-bottom {
  background-image: var(--grade-color-01);
  text-align: center;
  padding: 5vw;

  & h2 {
    font-size: 2rem;
    line-height: 2.4rem;
  }
  & p {
    width: 50%;
    margin: 1vw auto 3vw;
  }
}

/*SPサイズ*/
@media screen and (max-width: 767px) {
  .anniv-header-logo {
    height: fit-content;
    margin-top: 4vh;

    .anniv-logo {
      position: relative;
      width: 30%;
      left: 7%;
      display: block;
    }
  }
  .anniv-menu-content {
    position: relative;
    margin: 2vw auto;
    top: 0;
    left: 0;
    transform: translate(0, 0);

    & ul {
      margin: 0 auto;
    }
  }

  .anniv-menu-item {
    margin: 6vw auto;

    & a {
      padding: 0;
    }
    & p {
      font-size: 1.7rem;
    }
    & span {
      font-size: 0.9rem;
    }
  }
  .anniv-para-content01 {
    &::before {
      content: "";
      background-size: auto 100%;
      background-position: center;
    }
  }
  .anniv-paratext {
    & h1 {
      font-size: 2rem;
    }
    & p {
      margin: 0;
      font-size: 0.8rem;
    }
  }
  .anniv-message2 {
    padding: 0 5vw 10vh;

    & h2 {
      font-size: 1.4rem;
      margin: 0 auto 6vw;
    }
    & p {
      margin: 10vw auto;
      font-size: 1rem;
      width: 95%;
      text-align: center;
    }
  }
  .go-sic {
    & a {
      font-size: 1.1rem;
      padding: 4vw 7vw;
      border-radius: 20px;
    }
  }
  #anniv-alumni,
  #anniv-alumni-page {
    padding: 10vh 0;

    .anniv-logo {
      width: 35%;
    }
  }
  .anniv-alumni-ttl {
    margin: 10vw auto;

    & h3 {
      font-size: 1.8rem;
      line-height: 2rem;
    }
    & h2 {
      margin: 7vw auto 6vw;
    }
    & span {
      font-size: 0.8rem;
    }
  }
  .anniv-alumni-slide {
    padding: 7vw 0;
  }
  .anniv-item {
    border-radius: 15px;
    padding: 3vw;
    width: auto;

    & img {
      max-height: 400px;
    }
  }
  .go-anniv-alumni {
    margin: 8vw auto;
  }
  .anniv-ceremony-container {
    padding: 5vh 0;
    width: 80%;

    & h3 {
      font-size: 1.1rem;
      margin: 1vw auto 6vw;
    }
    .anniv-logo {
      width: 50%;
    }
    .honbun {
      font-size: 0.9rem;
      margin: 6vw auto 0;
      padding: 2vw;
      line-height: 1.8;
    }
  }
  .anniv-ceremony-container02 {
    border-radius: 6vw;
    width: 80%;
    padding: 5vw;
    font-size: 0.9rem;

    & h2 {
      margin: 3vw auto;
    }
    .honbun {
      width: 90%;
    }
  }
  .ceremony-ttl {
    margin: 10vw auto 0;

    .ceremony-p {
      font-size: 1.3em;
    }
    & p {
      font-size: 1.4rem;
      margin: 0 auto;
    }
  }
  .anniv-date {
    margin: 8vw auto 0;
  }
  .anniv-time {
    font-size: 1.2rem;
  }
  .anniv-entry {
    & h4 {
      margin: 3vw auto;
    }
    & p {
      margin: 2vw auto;
    }
  }
  .anniv-annai {
    margin: 6vh auto;

    & a {
      padding: 4vw 7vw;
      font-size: 1.3rem;
    }
  }
  .anniv-moushikomi {
    margin: 6vh auto;

    & a {
      padding: 4vw 7vw;
      font-size: 1.3rem;
    }
  }
  .anniv-kifu {
    padding: 8vh 8vw;
    font-size: 0.9rem;

    .honbun {
      text-align: left;
    }
  }
  .anniv-kifu-ttl {
    margin: 0 auto 9vw;
  }
  .corner-ttl {
    padding: 4vw 8vw;
    font-size: 1.6rem;
  }
  .go-kifu {
    padding: 6vh 0 7vh;

    & a {
      padding: 5vw 8vw;
      font-size: 1.3rem;
    }
  }

  .anniv-history-img {
    height: 30vh;

    &::before {
      content: "";
      background-image: url(../img/anniv-history-back_sp.jpg);
      background-size: cover;
    }
  }

  #anniv-history {
    padding: 7vh 0;
  }
  .anniv-history-ttl {
    margin: 5vw auto;

    & h2 {
      font-size: 2.3rem;
    }
    & p {
      margin: 0 auto 5vw;
      font-size: 1rem;
    }
    .history-p {
      font-size: 1rem;
    }
  }
  .anniv-history-nav {
    padding: 15px 2% 5px;
  }
  .anniv-history-slide {
    padding: 4vw;
  }
  .anniv-history-content {
    & li {
      flex: 0 0 45%;
      grid-template-rows: auto 1fr;
    }
    & img {
      height: 100%;
    }
    & p {
      padding: 5vw 3vw;
      line-height: 1.3rem;
    }
  }

  #anniv-next {
    padding: 5vh 0 10vh;
  }
  .anniv-container02 {
    display: flex;
    flex-direction: column-reverse;
    align-items: unset;
    padding: 0 5vw;

    .honbun {
      margin: 0 auto;
      width: 100%;
      font-size: 1rem;
    }
    & img {
      width: 60%;
      height: 100%;
      margin-left: auto;
    }
  }

  .anniv-footer {
    padding: 15vh 0 5vw;

    .anniv-logo {
      width: 35%;
    }
  }
  .anniv-footerlink a {
    margin: 5vw auto;
  }
  .anniv-footerlink01 {
    margin: 6vw auto 7vh;
    width: 70%;
  }
  .anniv-footerlink02 {
    display: block;
    margin: 7vw auto;
  }
  .anniv-up {
    width: 90%;
    margin: 9vh auto 4vh;

    & a {
      width: 10vw;
    }
  }
  /* アルムナイページ */
  #anniv-alumni-page .anniv-alumni-ttl {
    & h3 {
      font-size: 1.5rem;
    }
  }
  .anniv-alumni-container {
    width: 90%;
    margin: 8vh auto;
  }
  .anniv-alumni-item {
    margin: 5vw auto;
    padding: 9vw 7vw;
    grid-template-rows: 1fr 2fr;

    & img {
      grid-row: span 2 / span 2;
    }
    .alumni-name {
      font-size: 1.5rem;
      line-height: 1.5rem;
      margin-top: 0;
    }
    .anniv-alumni-text {
      grid-row: span 2 / span 2;
      align-self: center;
    }
    .alumni-detail {
      font-size: 0.7rem;
      line-height: 1.2rem;
    }

    .alumni-message {
      font-size: 0.8rem;
      line-height: 1.2rem;
      grid-row-start: 3;
      grid-column: span 2 / span 2;
    }
  }
  .anniv-alumni-bottom {
    padding: 8vh 5vw;

    & h2 {
      font-size: 1.7rem;
      line-height: 2.2rem;
    }
    & p {
      width: 100%;
      margin: 1vw auto 6vw;
    }
  }
  .alumni-qr {
    margin: 5vh auto 2vh;
    width: fit-content;

    & a {
      border: 1px solid;
      padding: 3.5vw 6vw 3vw 6.5vw;
      border-radius: 30px;
      font-weight: 600;
    }
  }
}
/* PC */
@media screen and (min-width: 768px) {
}
/* タブレット */
@media screen and (min-width: 767px) and (max-width: 1280px) {
  .anniv-history-content {
    & li {
      flex: 0 0 45%;
      grid-template-rows: 35vh 1fr;
    }
    & img {
      height: 100%;
    }
  }
}