@charset "UTF-8";
*,
*::before,
*::after {
  box-sizing: border-box;
  min-width: 0;
  border-width: 0;
  border-style: solid;
}

html {
  line-height: 1.15;
  tab-size: 4;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
}

main {
  display: block;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

p,
figure,
blockquote,
dl,
dd {
  margin: 0;
}

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

a {
  color: inherit;
  text-decoration: none;
  background-color: transparent;
}

abbr[title] {
  text-decoration: underline dotted;
}

b,
strong {
  font-weight: bolder;
}

small {
  font-size: 80%;
}

sub,
sup {
  position: relative;
  font-size: 75%;
  line-height: 0;
  vertical-align: baseline;
}

sub {
  bottom: -0.25em;
}

sup {
  top: -0.5em;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

embed,
object,
iframe {
  display: block;
  max-width: 100%;
}

button,
input,
optgroup,
select,
textarea {
  margin: 0;
  padding: 0;
  border-radius: 0;
  color: inherit;
  font: inherit;
  text-align: inherit;
  text-transform: inherit;
  vertical-align: middle;
  background: transparent;
  appearance: none;
}

button,
[type=button],
[type=reset],
[type=submit] {
  cursor: pointer;
}

button:disabled,
[type=button]:disabled,
[type=reset]:disabled,
[type=submit]:disabled {
  cursor: default;
}

:-moz-focusring {
  outline: auto;
}

select:disabled {
  opacity: inherit;
}

fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
}

legend {
  padding: 0;
}

progress {
  vertical-align: baseline;
}

textarea {
  overflow: auto;
}

[type=number]::-webkit-inner-spin-button,
[type=number]::-webkit-outer-spin-button {
  height: auto;
}

[type=search] {
  outline-offset: -2px;
}

[type=search]::-webkit-search-decoration {
  -webkit-appearance: none;
}

::-webkit-file-upload-button {
  font: inherit;
  -webkit-appearance: button;
}

label[for] {
  cursor: pointer;
}

details > summary {
  list-style: none;
  cursor: pointer;
}

details > summary::marker,
details > summary::-webkit-details-marker {
  display: none;
}

table {
  border-color: inherit;
  border-collapse: collapse;
  border-spacing: 0;
}

caption {
  text-align: left;
}

td,
th {
  padding: 0;
  vertical-align: top;
}

th {
  font-weight: inherit;
  text-align: left;
}

[hidden] {
  display: none;
}

/*========================================
*	common
========================================*/
::selection {
  color: #fff;
  background: #000;
}

*:focus {
  outline: 0;
}

html,
body {
  color: #000;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 62.5%;
  background-color: #fff;
}

body {
  width: 100%;
}

h1,
h2,
h3 {
  line-height: 1;
}

img,
picture {
  vertical-align: bottom;
  pointer-events: none;
  -webkit-backface-visibility: hidden;
}

.pc-none {
  display: none;
}
@media only screen and (max-width: 767px) {
  .pc-none {
    display: block;
  }
}

@media only screen and (min-width: 767px) {
  .sp-none {
    display: none;
  }
}
@media only screen and (max-width: 767px) {
  .sp-none {
    display: none;
  }
}

/*========================================
*	layout（先方PHP header.php / footer.php / index.php 由来のクラス）
========================================*/
.l-wrapper {
  width: 100%;
}

.p-main {
  width: 100%;
}

/* header（言語スイッチャー） */
.l-header {
  width: 100%;
}

.l-header__inner {
  margin-inline: auto;
}

.l-language {
  display: flex;
  gap: 1em;
}

.l-language__item {
  font-size: 1.4rem;
}

.l-language__link {
  color: #000;
  text-decoration: underline;
}

/* main */
.l-main {
  width: 100%;
}

/* footer */
.l-footer {
  width: 100%;
}

.l-footer__inner {
  margin-inline: auto;
}

.l-footer__copyright {
  font-size: 1.2rem;
}

.l-footer__cookie {
  color: #000;
  font-size: 1.2rem;
  text-decoration: underline;
}

.common__body {
  background-color: #000;
  background-image: url("../img/bg_repeat.webp"), url("../img/bg_hanabi.webp");
  background-size: 10.9333333333vw auto, cover;
  background-position: top center, top center;
  background-repeat: repeat, no-repeat;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
@media only screen and (min-width: 767px) {
  .common__body {
    background-size: 82px auto, cover;
  }
}

.common__container {
  flex: 1 0 auto;
}

.header__bg {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 100%;
  height: 6.6666666667vw;
}
@media only screen and (min-width: 767px) {
  .header__bg {
    height: 50px;
  }
}
.header__bg-front {
  display: block;
  width: 100%;
  height: 6.6666666667vw;
  background: linear-gradient(to right, #ff4ba1, #003192);
  mask-image: url("../img/bg_head.webp");
  mask-repeat: repeat-x;
  mask-position: center top;
  mask-size: auto 6.6666666667vw;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate3d(-50%, 0, 0);
  z-index: 2;
}
@media only screen and (min-width: 767px) {
  .header__bg-front {
    mask-image: url("../img/bg_head_pc.webp");
    mask-size: auto 50px;
    height: 50px;
  }
}
.header__bg-back {
  display: block;
  width: 100%;
  height: 6.6666666667vw;
  background: linear-gradient(to right, #003192, #ff4ba1);
  mask-image: url("../img/bg_head_after.webp");
  mask-repeat: repeat-x;
  mask-position: center bottom;
  mask-size: auto 6.6666666667vw;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate3d(-50%, 0, 0);
  z-index: 1;
}
@media only screen and (min-width: 767px) {
  .header__bg-back {
    mask-image: url("../img/bg_head_after_pc.webp");
    mask-size: auto 50px;
    height: 50px;
  }
}

.footer {
  position: relative;
  height: 6.6666666667vw;
  display: flex;
  align-items: center;
  justify-content: center;
}
@media only screen and (min-width: 767px) {
  .footer {
    height: 50px;
  }
}
.footer__bg {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.footer__bg-front {
  display: block;
  width: 100%;
  height: 26.9333333333vw;
  background: linear-gradient(to right, #003192, #ff4ba1);
  mask-image: url("../img/bg_footer.webp");
  mask-repeat: repeat-x;
  mask-position: center top;
  mask-size: auto 26.9333333333vw;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate3d(-50%, 0, 0);
  z-index: 2;
}
@media only screen and (min-width: 767px) {
  .footer__bg-front {
    mask-image: url("../img/bg_footer_pc.webp");
    mask-size: auto 202px;
    height: 202px;
  }
}
.footer__bg-back {
  display: block;
  width: 100%;
  height: 26.9333333333vw;
  background: linear-gradient(to right, #ff4ba1, #003192);
  mask-image: url("../img/bg_footer_after.webp");
  mask-repeat: repeat-x;
  mask-position: center bottom;
  mask-size: auto 26.9333333333vw;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate3d(-50%, 0, 0);
  z-index: 1;
}
@media only screen and (min-width: 767px) {
  .footer__bg-back {
    mask-image: url("../img/bg_footer_after_pc.webp");
    mask-size: auto 202px;
    height: 202px;
  }
}
.footer__wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding-top: 13.3333333333vw;
}
@media only screen and (min-width: 767px) {
  .footer__wrap {
    padding-top: 100px;
  }
}
.footer__copy {
  position: relative;
  z-index: 2;
  color: #fff;
  font-size: 2.6666666667vw;
  padding-top: 0.6666666667vw;
  font-weight: 400;
}
@media only screen and (min-width: 767px) {
  .footer__copy {
    font-size: 20px;
    padding-top: 5px;
  }
}
.footer__btn {
  position: relative;
  display: block;
  z-index: 2;
  width: 40vw;
  margin-top: 3.3333333333vw;
}
@media only screen and (min-width: 767px) {
  .footer__btn {
    width: 300px;
    margin-top: 25px;
    transition: all 300ms;
  }
  .footer__btn:hover {
    opacity: 0.8;
  }
}

/*========================================
*	MV（src/components/top/Kv.astro 由来）
*	元案件 snowstatue の top/_mv.scss を移植。
*	背景画像は src/assets/img/top/ をエイリアス参照。
========================================*/
.mv {
  padding: 8vw 0 15.3333333333vw;
}
@media only screen and (min-width: 767px) {
  .mv {
    padding: 60px 0 115px;
  }
}
.mv__inner {
  margin: 0 auto;
  padding: 4vw;
  width: 100vw;
}
@media only screen and (min-width: 767px) {
  .mv__inner {
    padding: 30px;
    width: 750px;
  }
}
.mv__logo {
  margin: 0 auto 4vw;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.6666666667vw;
}
@media only screen and (min-width: 767px) {
  .mv__logo {
    margin: 0 auto 30px;
    gap: 20px;
  }
}
.mv__logo-img {
  width: 22.6666666667vw;
}
@media only screen and (min-width: 767px) {
  .mv__logo-img {
    width: 170px;
  }
}
.mv__logo-pj {
  width: 66vw;
}
@media only screen and (min-width: 767px) {
  .mv__logo-pj {
    width: 495px;
  }
}
.mv__img {
  width: 100%;
  position: relative;
  z-index: 2;
}
.mv__img:before {
  content: "";
  display: block;
  width: 100.5%;
  height: 100.5%;
  background: linear-gradient(to right, #ff4ba1, #003192);
  filter: blur(10px);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate3d(-50%, -50%, 0);
  z-index: -1;
  opacity: 0.5;
  pointer-events: none;
  will-change: transform, filter, opacity;
}
.mv__title {
  margin: 7.3333333333vw auto 0;
  width: 90.6666666667vw;
}
@media only screen and (min-width: 767px) {
  .mv__title {
    margin-top: 55px;
    width: 680px;
  }
}
.mv__sub {
  margin: 2vw auto 0;
  width: 100%;
}
@media only screen and (min-width: 767px) {
  .mv__sub {
    margin-top: 15px;
  }
}
.mv__cs {
  margin: 4.6666666667vw auto 0;
  width: 59.3333333333vw;
}
@media only screen and (min-width: 767px) {
  .mv__cs {
    margin-top: 35px;
    width: 445px;
  }
}