* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:root {
  --root-font-size: 16;
  --font-color: #333;
  --fighters-blue: #006298;
}

img {
  width: 100%;
  height: auto;
}
body {
  font-family: "Noto Sans JP", sans-serif;
  color: #010101;
}
.br-sp {
  display: block;
}
.br-pc {
  display: none;
}
/* mv-kv */
.mv-kv {
  width: 100%;
  padding: 10px;
  margin: auto;
}
@media screen and (min-width: 768px) {
  .mv-kv {
    padding: 20px;
  }
  .br-sp {
    display: none;
  }
  .br-pc {
    display: block;
  }
}
/* section-title */
#section {
  padding: 65px 20px clamp(90px, 23.4vw, 180px) 20px;
}
@media screen and (min-width: 768px) {
  #section {
    padding: min(8vw, 115px) 20px clamp(57.5px, 90vw, 115px) 20px;
  }
  .section-title._description {
    margin-top: clamp(40px, 10.4vw, 80px) !important;
  }
}

/* policy */
.policy-top-box {
  display: block;
  margin: 0 auto;
  width: 90%;
}
.policy-top-box-copy {
  width: 90%;
  margin-left: 16px;
}
.policy-top-box-text {
  width: 100%;
  margin-top: 4%;
}
@media screen and (min-width: 768px) {
  .policy-top-box {
    display: flex;
    max-width: 1440px;
    margin: 0 auto;
    justify-content: center;
    align-items: center;
    padding-inline: 20px;
    gap: 20px;
  }
  .policy-top-box-copy {
    width: 90%;
  }
  .policy-top-box-text {
    width: 73.4%;
    max-width: 642px;
  }
}

/* schedule */
.schedule {
  background-image: url("../img/about-img/apply-bg_sp.webp");
  background-size: cover;
  background-repeat: no-repeat;
  background-position: top;
}
@media screen and (min-width: 768px) {
  .schedule {
    background-image: url("../img/about-img/apply-bg_pc.webp");
    background-position: center;
  }
}
.section-title {
  max-width: 650px;
  width: 86.6%;
  margin-inline: auto;
  margin-top: clamp(40px, 10.4vw, 80px);
}

/* schedule */
.schedule-box {
  display: flex;
  margin-top: 15px;
}

/* sp-content */
.sp-content {
  max-width: 1200px;
  margin: 0 auto;
}
@media screen and (min-width: 768px) {
  .section-title {
    /* 120pxベースでレスポンシブ調整 */
    max-width: 680px;
    width: 46.9%;
    height: auto;
    margin: 0 auto;
  }
  .schedule-box {
    flex-direction: column;
  }

  /* .schedule-itemArea._gameDay {
    width: 79%;
    margin: 0 auto;
  } */
  .schedule-item {
    flex-direction: column;
    width: 40%;
    margin: 0 auto;
    margin-top: 0 !important;
  }
  .schedule-item-text {
    font-size: min(1.32vw, 17px) !important;
  }
  .schedule-box._noGame {
    margin-top: min(70px, 5vw) !important; /* 70px !important; */
  }
}
.schedule-box._noGame {
  margin-top: clamp(70px, 18.2vw, 140px);
}
.schedule-item-text {
  font-size: clamp(13px, 3.4vw, 26px);
  font-weight: 600;
  font-family: "Noto Sans JP", sans-serif;
  text-align: center;
  line-height: 1.5;
}
.schedule-item {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: clamp(45px, 12vw, 90px);
}
.number {
  width: 30%;
  height: auto;
}
.schedule-itemArea {
  position: relative;
  max-width: 680px;
  width: 90%;
  margin: 0 auto;
}
.schedule-line {
  position: absolute;
  top: -4%;
  left: -3%;
  width: 34%;
}
@media screen and (min-width: 768px) {
  .schedule-line {
    position: absolute;
    top: -4%;
    left: -4%;
    width: 83%;
  }
  .schedule-itemArea {
    display: flex;
    max-width: 1200px;
    width: 95%;
    margin-top: min(30px, 2.08vw);
    padding-inline: 20px;
  }
  .schedule-itemArea._gameDay {
    max-width: 1400px;
    width: 95%;
  }
  .schedule-item {
    justify-content: unset;
  }
  .number {
    width: 30%;
    height: auto;
  }
}
.schedule-item-line {
  width: calc(100% - 50px);
}
/* audition video */
.audition-video {
  position: relative;
  width: 100%;
  max-width: 100%;
  margin-top: clamp(30px, 8vw, 60px);
  overflow: hidden;
  border-radius: clamp(8px, 2vw, 16px);
  /* YouTube埋め込み用のアスペクト比 16:9 */
  aspect-ratio: 16 / 9;
}
.audition-video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  border-radius: clamp(8px, 2vw, 16px);
}
.audition-video video {
  max-width: 560px;
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .audition-video {
    max-width: 80%;
    margin-inline: auto;
    margin-top: min(40px, 3.2vw);
  }
}

@media (min-width: 1024px) {
  .audition-video {
    width: 50%;
  }
}
/* audition */
.audition {
  background-image: url("../img/about-img/apply-bg_sp.webp");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: top;
  border-radius: 40px 40px 0 0;
}
@media screen and (min-width: 768px) {
  .audition {
    background-image: url("../img/about-img/apply-bg_pc.webp");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
  }
}
.btn {
  position: relative;
  display: block;
  width: clamp(240px, 63vw, 480px);
  height: clamp(50px, 13vw, 100px);
  background: none;
  color: #010101;
  text-decoration: none;
  border-radius: 9999px;
  border: 2px solid #010101;
  font-weight: bold;
  text-align: center;
  margin: 0 auto;
  font-size: clamp(16px, 4.2vw, 32px);
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 600;
  letter-spacing: 0.01rem;
  margin-top: clamp(40px, 10vw, 80px);
}

@media (min-width: 768px) {
  .btn {
    width: clamp(240px, 63vw, 390px);
    height: clamp(50px, 13vw, 72px);
    margin-top: min(50px, 4.2vw);
  }
}
.btn-arrow {
  position: absolute;
  top: 50%;
  right: clamp(20px, 5.2vw, 40px);
  transform: translateY(-50%);
  width: clamp(16px, 4.2vw, 32px);
  height: auto;
}
@media (min-width: 768px) {
  .btn-arrow {
    width: clamp(16px, 4.2vw, 29px);
    right: clamp(20px, 5.2vw, 18px);
  }
}
/* message */
.message-area {
  margin-top: clamp(50px, 13vw, 100px);
}
.sub-title {
  max-width: 367px;
  width: 48.9%;
  font-size: clamp(18px, 4.7vw, 36px);
  font-weight: 700;
  text-align: center;
  margin-inline: auto;
}
.sub-title._gameDay {
  margin-top: clamp(40px, 10.4vw, 80px);
}
.sub-title._noGame {
  margin-top: clamp(40px, 10.4vw, 80px);
}
.sub-title._app {
  width: 55%;
  margin-top: clamp(40px, 10.4vw, 80px);
}
.sub-title._message {
  width: 77%;
}
@media screen and (min-width: 768px) {
  .sub-title._app {
    width: 28%;
  }
  .sub-title._message {
    max-width: 404px;
    width: 37.4%;
    margin-top: min(6vw, 85px);
  }
  .sub-title._gameDay {
    width: 19.6%;
    margin-top: clamp(40px, 5.6vw, 80px);
  }
}

@media (min-width: 768px) {
  .sub-title {
    max-width: 411px;
    width: 25.4%;
    font-size: clamp(18px, 4.7vw, 36px);
    font-weight: 700;
    text-align: center;
    margin-inline: auto;
    margin-top: min(7vw, 100px);
  }
}
/* app */
.application-area {
  position: relative;
  margin-top: clamp(30px, 8.4vw, 60px);
  padding: clamp(16px, 4.2vw, 32px);
  border-radius: 16px;
  background: none;
}

.application-area::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 16px;
  border: 2px solid transparent;
  background: linear-gradient(to bottom, #6bb6e6, #006298) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box,
    linear-gradient(#fff 0 0) border-box;
  -webkit-mask-composite: destination-out;
  mask: linear-gradient(#fff 0 0) padding-box,
    linear-gradient(#fff 0 0) border-box;
  mask-composite: exclude;
}
.period-img {
  max-width: 283px;
  width: 37.7%;
  margin-top: 10px;
}
.period-img._second {
  max-width: 514px;
  width: 68.5%;
}
@media screen and (min-width: 768px) {
  .period-img {
    width: 11.75%;
  }
  .period-img._second {
    width: 23.7%;
  }
}
.period-text {
  font-size: clamp(14px, 3.64vw, 28px);
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 500;
  letter-spacing: -0.05rem;
  line-height: 1.5;
  margin-top: 5px;
}
.period-text li {
  margin-top: 5px;
  font-size: clamp(14px, 3.64vw, 28px);
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 500;
  font-feature-settings: "palt";
}
.period-text._period {
  font-size: clamp(15px, 3.64vw, 30px);
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 600;
}
.period-bold {
  font-size: clamp(20px, 5.2vw, 40px);
  font-weight: 500;
}
.period-textTitle {
  position: relative;
  font-size: clamp(18px, 3.64vw, 28px);
  font-weight: 500;
  font-family: "Noto Sans JP", sans-serif;
  margin-top: 10px;
  color: #075b8f;
  padding-left: 15px; /* 縦線とテキストの間隔 */
}
.period-textTitle::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background-color: #006298; /* ファイターズブルー */
  border-radius: 2px; /* 角丸にする場合 */
}
.Note-text {
  display: block;
  font-size: clamp(11px, 3.2vw, 22px);
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 500;
  letter-spacing: -0.05rem;
  line-height: 1.5;
  margin-top: 2px;
  font-feature-settings: "palt";
}
@media screen and (min-width: 768px) {
  .Note-text {
    font-size: min(1.33vw, 16px);
  }
  .period-text li {
    font-size: min(1.7vw, 20px);
  }
  .period-bold {
    font-size: clamp(12px, 4.2vw, 24px);
  }
  .period-textTitle {
    font-size: clamp(11px, 3.2vw, 22px);
  }
  .period-text {
    font-size: clamp(11px, 1.83vw, 22px);
  }
  .period-text._period {
    font-size: 18px;
  }
}
.India {
  color: #ff0000;
}
.app-Btn {
  position: relative; /* positionでz-indexを有効にする */
  display: block;
  margin-top: clamp(30px, 5.2vw, 40px);
  border: none;
  background: none;
  width: 70%;
  margin-inline: auto;
  z-index: 100; /* 疑似要素より確実に前面に配置 */
  cursor: pointer;
  transition: all 0.5s ease;
}
.app-Btn:hover {
  opacity: 0.5;
  transition: all 0.5s ease;
}
.message-imgArea {
  margin-top: 30px;
}
@media screen and (min-width: 768px) {
  .message-imgArea {
    max-width: 1500px;
    margin-inline: auto;
    display: flex;
    justify-content: center;
    gap: 30px;
    width: 100%;
    align-items: baseline;
    margin-top: min(50px, 13vw, 30px);
  }
  .app-Btn {
    display: block;
    margin-top: clamp(30px, 5.2vw, 40px);
    border: none;
    background: none;
    width: 410px;
    height: 100px;
    margin-inline: auto;
  }
}
.message-img {
  position: relative;
  margin-top: -20px;
}
@media (min-width: 768px) {
  .message-img {
    position: relative;
    margin-top: -20px;
    width: 100%;
  }
  .girl-img {
    margin-left: 0;
  }
}
.message-text {
  position: absolute;
  top: 65%;
  left: 40%;
  transform: translate(-50%, -50%);
  width: 70%;
  font-size: clamp(13px, 3.2vw, 24px);
  font-weight: 500;
  letter-spacing: -0.09rem;
  line-height: 1.4;
}
@media (max-width: 550px) {
  .message-text {
    list-style: none;
  }
}
@media (min-width: 768px) {
  .message-text {
    position: absolute;
    top: 55%;
    left: 48%;
    transform: translate(-50%, -50%);
    width: 70%;
    font-size: min(0.97vw, 14px);
    font-weight: 500;
    line-height: 1.5;
  }
}
.message-text._second {
  top: 67%;
  left: 71%;
  transform: translate(-50%, -50%);
  width: 56%;
}
@media (min-width: 768px) {
  .message-text._second {
    top: 53%;
    left: 36%;
    transform: translate(-50%, -50%);
    width: 46%;
    font-size: min(0.92vw, 13px);
    line-height: 1.5;
  }
}
/* costume */
.costume {
  background-image: url("../img/about-img/audition-bg_sp.webp");
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  padding: clamp(60px, 16vw, 120px) 0 clamp(90px, 23.4vw, 180px) 0 !important;
}
@media screen and (min-width: 768px) {
  .costume {
    background-image: url("../img/about-img/audition-bg_pc.webp");
    padding: 115px 20px clamp(90px, 8vw, 115px) 20px !important;
  }
}
.costume-imgArea {
  margin-top: 10px;
}
@media screen and (min-width: 768px) {
  .costume-imgArea {
    max-width: 1100px;
    display: flex;
    align-items: baseline;
    margin: 0 auto;
    gap: 20px;
  }
}
@media screen {
  .costume-img._first {
    width: calc(100% - 20px);
  }
}
.costume-img._second {
  margin-top: clamp(30px, 8vw, 60px);
  padding-right: 20px !important;
}
@media screen {
  .costume-img._second {
    width: calc(100% - 20px);
  }
}
.series-imgArea {
  margin-top: clamp(59px, 13vw, 115px);
}
.seriesCostume-imgBox {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(20px, 5.2vw, 40px);
  margin-top: 10px;
}
@media screen and (min-width: 768px) {
  .seriesCostume-imgBox {
    max-width: 700px;
    width: 100%;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: clamp(20px, 5.2vw, 40px);
    margin-top: 10px;
    margin: 0 auto;
    margin-top: 10px;
  }
}
.seriesCostume-img {
  width: 100%;
  height: auto;
}
.costumeGirl-img {
  margin-left: 20px;
}

@media screen and (min-width: 768px) {
  .seriesCostume-img {
    width: 40%;
    height: auto;
  }
  .seriesCostume-img._first {
    width: 41%;
    height: auto;
  }
}
/* footer */
/* ========== useful ========== */
#useful {
}

.useful-ttl {
}

.useful-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px 30px;
}

.usefulItem {
  width: calc((100% - 30px) / 2);
}

.usefulItem-link {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  height: 50px;
  padding: 0 25px;
  background-color: #eee;
  line-height: 1.2;
  font-size: calc(13 / var(--root-font-size) * 1rem);
  font-weight: 700;
}
.usefulItem-link::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 13px;
  translate: 0 -50%;
  display: block;
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-left: 7px solid #333;
  border-bottom: 5px solid transparent;
  transition: right 0.3s, opacity 0.2s;
}
@media (hover: hover) {
  .usefulItem-link:hover {
    opacity: 0.8;
  }
  .usefulItem-link:hover::after {
    right: 8px;
  }
}

@media screen and (min-width: 769px) {
  .usefulItem {
    width: 230px;
  }

  .usefulItem-link {
    height: 70px;
    padding: 0 20px;
    font-size: calc(18 / var(--root-font-size) * 1rem);
  }

  .usefulItem-link::after {
    border-top-width: 6px;
    border-left-width: 9px;
    border-bottom-width: 6px;
  }
}

/* ========== footer ========== */
#footer {
  width: 100%;
  padding: 25px 15px 10px;
  background-color: var(--fighters-blue);
  color: #fff;
}

.footer-logo {
  margin: 0 auto;
  display: block;
  width: 200px;
}
@media (hover: hover) {
  .footer-logo:hover {
    opacity: 0.7;
  }
}

.footerShare {
  margin-top: 30px;
}

.footerShare-ttl {
  line-height: 1;
  text-align: center;
  font-size: calc(40 / var(--root-font-size) * 1rem);
  font-weight: 400;
  font-family: "Teko", sans-serif;
}

.footerShare-list {
  margin-top: 5px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 30px;
}

.footerShare-item {
  width: 35px;
  height: 35px;
}

.footerShare-link {
  display: block;
}
.footerShare-item._x .footerShare-link {
  padding: 3px;
}
@media (hover: hover) {
  .footerShare-link:hover {
    opacity: 0.7;
  }
}

.footer-copyright {
  margin-top: 30px;
  display: block;
  width: 100%;
  line-height: 1.4;
  text-align: center;
  font-size: calc(12 / var(--root-font-size) * 1rem);
}

@media screen and (min-width: 769px) {
  .footerShare-item {
    width: 45px;
    height: 45px;
  }
}

/* 右下固定ボタン */
.fixed-bottom-button {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.fixed-bottom-button.show {
  opacity: 1;
  visibility: visible;
}

.bottom-btn {
  display: block;
  width: clamp(80px, 20.8vw, 160px);
  height: auto;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.bottom-btn:hover {
  transform: scale(1.1);
  opacity: 0.8;
}

@media screen and (min-width: 768px) {
  .fixed-bottom-button {
    bottom: 30px;
    right: 30px;
  }

  .bottom-btn {
    width: clamp(70px, 9.02vw, 130px);
  }
}
/*フェードイン*/
.fade-in {
  opacity: 0;
  transform: translate(0, 40px);
  transition: all 1.5s;
}

.fade-in.active {
  opacity: 1;
  transform: translate(0, 0);
}