@charset "UTF-8";
/*! destyle.css v4.0.1 | MIT License | https://github.com/nicolas-cusan/destyle.css */
/* Reset box-model and set borders */
/* ============================================ */
*,
::before,
::after {
  box-sizing: border-box;
  border-style: solid;
  border-width: 0;
  min-width: 0;
}

/* Document */
/* ============================================ */
/**
 * 1. Correct the line height in all browsers.
 * 2. Prevent adjustments of font size after orientation changes in iOS.
 * 3. Remove gray overlay on links for iOS.
 */
html {
  line-height: 1.15; /* 1 */
  -webkit-text-size-adjust: 100%; /* 2 */
  -webkit-tap-highlight-color: transparent; /* 3*/
}

/* Sections */
/* ============================================ */
/**
 * Remove the margin in all browsers.
 */
body {
  margin: 0;
}

/**
 * Render the `main` element consistently in IE.
 */
main {
  display: block;
}

/* Vertical rhythm */
/* ============================================ */
p,
table,
blockquote,
address,
pre,
iframe,
form,
figure,
dl {
  margin: 0;
}

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

[tabindex="-1"]:focus-visible {
  outline: none !important;
}

/* Lists (enumeration) */
/* ============================================ */
ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Lists (definition) */
/* ============================================ */
dd {
  margin-left: 0;
}

/* Grouping content */
/* ============================================ */
/**
 * 1. Add the correct box sizing in Firefox.
 * 2. Show the overflow in Edge and IE.
 */
hr {
  box-sizing: content-box; /* 1 */
  height: 0; /* 1 */
  overflow: visible; /* 2 */
  border-top-width: 1px;
  margin: 0;
  clear: both;
  color: inherit;
}

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */
pre {
  font-family: monospace, monospace; /* 1 */
  font-size: inherit; /* 2 */
}

address {
  font-style: inherit;
}

/* Text-level semantics */
/* ============================================ */
/**
 * Remove the gray background on active links in IE 10.
 */
a {
  background-color: transparent;
  text-decoration: none;
  color: inherit;
}

/**
 * 1. Remove the bottom border in Chrome 57-
 * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
 */
abbr[title] {
  -webkit-text-decoration: underline dotted;
          text-decoration: underline dotted; /* 2 */
}

/**
 * Add the correct font weight in Chrome, Edge, and Safari.
 */
b,
strong {
  font-weight: 700;
}

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */
code,
kbd,
samp {
  font-family: monospace, monospace; /* 1 */
  font-size: inherit; /* 2 */
}

/**
 * Add the correct font size in all browsers.
 */
small {
  font-size: 100%;
}

/**
 * Prevent `sub` and `sup` elements from affecting the line height in
 * all browsers.
 */
sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sub {
  bottom: -0.1em;
}

sup {
  top: -0.3em;
}

/* Replaced content */
/* ============================================ */
/**
 * Prevent vertical alignment issues.
 */
svg,
img,
embed,
object,
iframe {
  vertical-align: middle;
}

/* Forms */
/* ============================================ */
/**
 * Reset form fields to make them styleable.
 * 1. Make form elements stylable across systems iOS especially.
 * 2. Inherit text-transform from parent.
 */
button,
input,
optgroup,
select,
textarea {
  vertical-align: middle;
  color: inherit;
  font: inherit;
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  border-radius: 0;
  text-align: inherit;
  text-transform: inherit; /* 2 */
  white-space: normal;
}

button {
  outline: none;
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
}

/**
 * Correct cursors for clickable elements.
 */
button,
[type=button],
[type=reset],
[type=submit] {
  cursor: pointer;
}

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

/**
 * Improve outlines for Firefox and unify style with input elements & buttons.
 */
:-moz-focusring {
  outline: auto;
}

select:disabled {
  opacity: inherit;
}

/**
 * Remove padding
 */
option {
  padding: 0;
}

/**
 * Reset to invisible
 */
fieldset {
  margin: 0;
  padding: 0;
  min-width: 0;
}

legend {
  padding: 0;
}

/**
 * Add the correct vertical alignment in Chrome, Firefox, and Opera.
 */
progress {
  vertical-align: baseline;
}

/**
 * Remove the default vertical scrollbar in IE 10+.
 */
textarea {
  overflow: auto;
}

/**
 * Correct the cursor style of increment and decrement buttons in Chrome.
 */
[type=number]::-webkit-inner-spin-button,
[type=number]::-webkit-outer-spin-button {
  height: auto;
}

/**
 * Correct the outline style in Safari.
 */
[type=search] {
  outline-offset: -2px; /* 1 */
}

/**
 * Remove the inner padding in Chrome and Safari on macOS.
 */
[type=submit] {
  -webkit-appearance: none;
  border-radius: 0;
}

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

/**
 * 1. Correct the inability to style clickable types in iOS and Safari.
 * 2. Fix font inheritance.
 */
::-webkit-file-upload-button {
  -webkit-appearance: button; /* 1 */
  font: inherit; /* 2 */
}

/**
 * Fix appearance for Firefox
 */
[type=number] {
  -moz-appearance: textfield;
}

/**
 * Clickable labels
 */
label[for] {
  cursor: pointer;
}

/* Interactive */
/* ============================================ */
/*
 * Add the correct display in Edge, IE 10+, and Firefox.
 */
details {
  display: block;
}

/*
 * Add the correct display in all browsers.
 */
summary {
  display: list-item;
}

/*
 * Remove outline for editable content.
 */
[contenteditable]:focus {
  outline: auto;
}

/* Tables */
/* ============================================ */
/**
1. Correct table border color inheritance in all Chrome and Safari.
*/
table {
  border-color: inherit; /* 1 */
  border-collapse: collapse;
}

caption {
  text-align: left;
}

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

th {
  text-align: left;
  font-weight: 700;
}

/* color */
/* ============================================ */
/* font-size */
/* ============================================ */
/* font */
/* ============================================ */
/* common */
/* ============================================ */
body {
  background: #010713;
  color: #fff;
  font-family: "Noto Serif JP", serif;
  font-optical-sizing: auto;
  font-style: normal;
  font-size: clamp(0.875rem, 0.8264rem + 0.2073vw, 1rem);
  font-weight: 400;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
     -moz-text-size-adjust: 100%;
          text-size-adjust: 100%;
  letter-spacing: 0.02em;
  font-feature-settings: "palt";
  overflow-wrap: anywhere; /* 収まらない場合に折り返す */
  word-break: normal; /* 単語の分割はデフォルトに依存 */
  line-break: strict; /* 禁則処理を厳格に適用 */
  min-height: 100dvh;
  overflow-x: clip;
}

a {
  color: currentColor;
  transition: all 0.3s ease-out;
}
@media (hover: hover) {
  a:hover {
    opacity: 0.7;
  }
}

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

.reading {
  display: block;
  overflow: hidden;
  height: 0;
  width: 0;
  margin: 0;
  padding: 0;
}

@media all and (max-width: 896px) {
  .pconly {
    display: none;
  }
}

.sponly {
  display: none;
}
@media all and (max-width: 896px) {
  .sponly {
    display: block;
  }
}

.portraitonly {
  display: none;
}
@media all and (max-width: 480px) {
  .portraitonly {
    display: block;
  }
}

@media all and (max-width: 480px) {
  .portraitnone {
    display: none;
  }
}

.tabonly {
  display: none;
}
@media all and (max-width: 1025px) {
  .tabonly {
    display: block;
  }
}

@media all and (max-width: 1025px) {
  .tabnone {
    display: none;
  }
}

.mdonly {
  display: none;
}
@media all and (max-width: 600px) {
  .mdonly {
    display: block;
  }
}

@media all and (max-width: 600px) {
  .mdnone {
    display: none;
  }
}

.span_br {
  display: inline-block;
}

.mt0 {
  margin-top: 0 !important;
}

.mt10 {
  margin-top: 10px !important;
}
@media all and (max-width: 896px) {
  .mt10 {
    margin-top: 8px !important;
  }
}

.mt16 {
  margin-top: 16px !important;
}
@media all and (max-width: 896px) {
  .mt16 {
    margin-top: 12px !important;
  }
}

.mt24 {
  margin-top: 24px !important;
}
@media all and (max-width: 896px) {
  .mt24 {
    margin-top: 16px !important;
  }
}

.mt32 {
  margin-top: 32px !important;
}
@media all and (max-width: 896px) {
  .mt32 {
    margin-top: 20px !important;
  }
}

.mt40 {
  margin-top: 40px !important;
}
@media all and (max-width: 896px) {
  .mt40 {
    margin-top: 24px !important;
  }
}

.mt48 {
  margin-top: 48px !important;
}
@media all and (max-width: 896px) {
  .mt48 {
    margin-top: 32px !important;
  }
}

.mt64 {
  margin-top: 64px !important;
}
@media all and (max-width: 896px) {
  .mt64 {
    margin-top: 40px !important;
  }
}

.mt80 {
  margin-top: 80px !important;
}
@media all and (max-width: 896px) {
  .mt80 {
    margin-top: 48px !important;
  }
}

.width {
  max-width: 1340px;
  width: calc(100% - 80px);
  margin: 0 auto;
}
@media all and (max-width: 896px) {
  .width {
    width: calc(100% - 40px);
  }
}
@media all and (max-width: 480px) {
  .width {
    width: calc(100% - 30px);
  }
}

.outer {
  overflow: hidden;
}

.txt__center {
  text-align: center;
}

/* parts */
/* ============================================ */
.common-ttl {
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.25em;
  font-family: "EB Garamond", serif;
  font-optical-sizing: auto;
  font-style: normal;
  font-size: clamp(1.125rem, 0.9307rem + 0.829vw, 1.625rem);
  letter-spacing: 0.1em;
  line-height: 1.2;
}
.common-ttl__mark {
  flex-shrink: 0;
  display: inline-block;
  width: 0.77em;
  height: 0.77em;
  filter: drop-shadow(0px 0px 7px #1E79CF);
  -webkit-animation: starShine 2s linear infinite;
          animation: starShine 2s linear infinite;
}
@-webkit-keyframes starShine {
  0% {
    opacity: 1;
  }
  60% {
    opacity: 1;
  }
  70% {
    opacity: 0.2;
  }
  80% {
    opacity: 1;
  }
  90% {
    opacity: 0.2;
  }
  100% {
    opacity: 1;
  }
}
@keyframes starShine {
  0% {
    opacity: 1;
  }
  60% {
    opacity: 1;
  }
  70% {
    opacity: 0.2;
  }
  80% {
    opacity: 1;
  }
  90% {
    opacity: 0.2;
  }
  100% {
    opacity: 1;
  }
}
.common-ttl__mark img {
  width: 100%;
  max-width: none;
  vertical-align: top;
}

.common-btn {
  text-align: center;
  width: 100%;
  max-width: 400px;
  margin-inline: auto;
  margin-top: 48px;
}
@media all and (max-width: 480px) {
  .common-btn {
    max-width: 320px;
    margin-top: 32px;
  }
}
.common-btn__link {
  display: block;
  padding: 1em 2em;
  border: 1px solid #fff;
  background: rgba(0, 0, 0, 0.2);
  font-size: clamp(1rem, 0.9028rem + 0.4145vw, 1.25rem);
  position: relative;
}
.common-btn__link::after {
  content: "";
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("../images/arrow_right_white.svg") center center/contain no-repeat;
  position: absolute;
  top: 50%;
  right: 0.8em;
  translate: 0 -50%;
}

/* move */
/* ============================================ */
@-webkit-keyframes frameMove {
  from {
    rotate: 0;
  }
  to {
    rotate: 360deg;
  }
}
@keyframes frameMove {
  from {
    rotate: 0;
  }
  to {
    rotate: 360deg;
  }
}
.moveTop {
  opacity: 0;
  transition: 0.5s;
  transform: translate(0, 80px);
}
.moveTop.current {
  opacity: 1;
  transform: translate(0, 0);
}

.moveNone {
  opacity: 0;
  transition: 0.5s;
}
.moveNone.current {
  opacity: 1;
  transform: translate(0, 0);
}

.moveRight {
  opacity: 0;
  transition: 0.5s;
  transform: translate(-80px, 0);
}
.moveRight.current {
  opacity: 1;
  transform: translate(0, 0);
}

.moveLeft {
  opacity: 0;
  transition: 0.5s;
  transform: translate(80px, 0);
}
.moveLeft.current {
  opacity: 1;
  transform: translate(0, 0);
}

/* blockskip */
/* ============================================ */
#blockskip {
  overflow: hidden;
  height: 0;
  background: #ddd;
  text-align: center;
}

/* header */
/* ============================================ */
.header {
  width: 100%;
  height: 92px;
  background: #000217;
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  z-index: 800;
}
@media all and (max-width: 896px) {
  .header {
    height: 64px;
  }
}
@media all and (max-width: 480px) {
  .header {
    position: fixed;
    top: auto;
    bottom: 0;
  }
}
.header-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0 32px;
}
@media all and (max-width: 480px) {
  .header-wrapper {
    gap: 0;
  }
}
@media all and (max-width: 480px) {
  .header-logo {
    text-align: center;
    width: 50%;
  }
}
.header-logo__link {
  display: block;
  padding: 16px 20px;
  position: relative;
}
@media all and (max-width: 896px) {
  .header-logo__link {
    padding: 12px 20px;
  }
}
@media all and (max-width: 480px) {
  .header-logo__link {
    padding: 12px 15px;
  }
  .header-logo__link::after {
    content: "";
    display: inline-block;
    width: 1px;
    height: 28px;
    background: rgba(255, 255, 255, 0.4);
    position: absolute;
    top: 50%;
    right: 0;
    translate: 0 -50%;
  }
}
@media all and (max-width: 896px) {
  .header-logo__link img {
    width: 90px;
  }
}
.header-menu {
  cursor: pointer;
  width: 220px;
  height: 92px;
  padding: 16px 20px;
  position: relative;
}
@media all and (max-width: 896px) {
  .header-menu {
    width: 200px;
    height: 64px;
    padding: 12px 20px;
  }
}
@media all and (max-width: 480px) {
  .header-menu {
    padding: 12px 15px;
  }
}
@media all and (max-width: 480px) {
  .header-menu {
    width: 50%;
  }
}
.header-menu__list {
  height: 100%;
  font-size: 1.25rem;
  position: relative;
}
@media all and (max-width: 896px) {
  .header-menu__list {
    font-size: 1rem;
  }
}
.header-menu__item {
  opacity: 0;
  visibility: hidden;
  width: 100%;
  height: 100%;
  background: #000217;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  line-height: 1.4;
  position: absolute;
  top: 0;
  left: 0;
}
.header-menu__item::after {
  flex-shrink: 0;
  content: "";
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("../images/arrow_bottom_white.svg") center center/contain no-repeat;
}
.header-menu__txt {
  flex-grow: 1;
}
@media all and (max-width: 480px) {
  .header-menu__txt {
    text-align: center;
  }
}
.header-nav {
  width: 220px;
  padding: 16px 20px;
  background: rgba(0, 2, 23, 0.8);
  position: fixed;
  top: 92px;
  right: 0;
  translate: 100% 0;
  transition: translate 0.3s ease-out;
  z-index: 600;
}
@media all and (max-width: 896px) {
  .header-nav {
    width: 200px;
    top: 64px;
  }
}
@media all and (max-width: 480px) {
  .header-nav {
    width: 100%;
    top: auto;
    bottom: 64px;
    translate: 0 100%;
  }
}
.header-nav.open {
  translate: 0 0;
}
.header-nav__item {
  border-top: 1px solid rgba(255, 255, 255, 0.4);
}
.header-nav__item:first-of-type {
  border-top: none;
}
.header-nav__link {
  padding: 10px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.header-nav__link::after {
  content: "";
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("../images/arrow_right_white.svg") center center/contain no-repeat;
}

/* footer */
/* ============================================ */
.footer {
  padding: 280px 0 40px;
  background: url("../images/footer_bg.jpg") bottom center/100% auto no-repeat;
  position: -webkit-sticky;
  position: sticky;
  top: 100dvh;
  z-index: 400;
  overflow: hidden;
}
@media all and (max-width: 896px) {
  .footer {
    padding-top: 140px;
    background-size: cover;
  }
}
@media all and (max-width: 480px) {
  .footer {
    margin-bottom: 64px;
  }
}
.footer::before {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #035B92 0%, rgba(0, 2, 23, 0.4) 50%);
  position: absolute;
  top: 0;
  left: 0;
  z-index: -10;
}
.footer::after {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  background: url("../images/bg_bubble.png") center center/750px auto repeat;
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 20%, #000 80%, transparent 100%);
          mask-image: linear-gradient(180deg, transparent 0%, #000 20%, #000 80%, transparent 100%);
  mix-blend-mode: lighten;
  position: absolute;
  top: 0;
  left: 0;
  z-index: -5;
}
@media all and (max-width: 896px) {
  .footer::after {
    background-size: 375px auto;
  }
}
.footer-wrapper {
  position: relative;
  z-index: 10;
}
.footer-dolphin {
  filter: drop-shadow(0 0 20px #1E79CF) drop-shadow(0 0 20px #1E79CF) drop-shadow(0 0 10px #1E79CF);
  position: absolute;
  top: -160px;
  right: 0;
  z-index: -5;
}
@media all and (max-width: 896px) {
  .footer-dolphin {
    top: -112px;
    right: -38px;
  }
}
.footer-dolphin img {
  width: 204.4px;
}
@media all and (max-width: 896px) {
  .footer-dolphin img {
    width: 146px;
  }
}
.footer-list {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
  filter: drop-shadow(0 0 10px #000);
  position: relative;
  z-index: 10;
}
@media all and (max-width: 896px) {
  .footer-list {
    gap: 20px 16px;
  }
}
@media all and (max-width: 480px) {
  .footer-list__item {
    width: calc((100% - 16px) / 2);
  }
}
.footer-copyright {
  text-align: center;
  font-size: clamp(0.625rem, 0.5764rem + 0.2073vw, 0.75rem);
  filter: drop-shadow(0 0 10px #000);
  margin-top: 48px;
}
@media all and (max-width: 896px) {
  .footer-copyright {
    margin-top: 32px;
  }
}