:root {
  --color-black: #212121;
  --color-blue: #012f4d;
  --color-blue2: #0071bc;
  --color-green: #00ffcb;
  --color-yellow: #fbc311;
  --color-light-blue: #e4e9ef;
  --color-light-gray: #f5f5f5;
  --color-light-white: #f2f2f2;
  --color-smoke: #d1d1d1;
  --color-light-dark: #808080;
  --color-white: #fff;
  --color-gray: #dcdcdc;
  --color-red: #ba0015;
  --color-d-red: #7e0010;
  --bg-main: #eee;
  --bg-fill: var(--color-blue);
  --bg-light: var(--color-light);
  --accent1: var(--color-yellow);
  --accent2: var(--color-d-red);
  --accent3: var(--color-red);
  --gray: var(--color-gray);
  --text-color: var(--color-black);
  --date-color: var(--color-gray);
  --navi-color: var(--color-gray);
  --inner-s: 100rem;
  --inner: 112.6rem;
  --inner-l: 126.6rem;
  --inner-full: 136.6rem;
  --line-height: 1.45;
  --font:
    "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo,
    sans-serif;
  --font-en: "din-2014", sans-serif;
  --bganimation-zindex: 11;
  --wrapper-width: 37.5rem;
  --header-height: 4.2rem;
}
@media (max-width: 768px) {
  :root {
    --header-height: 4rem;
  }
}

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
  font-feature-settings: "palt" on;
}
@media screen and (max-width: 1266px) {
  html {
    font-size: 0.7320644217vw;
  }
}
@media screen and (max-width: 768px) {
  html {
    font-size: 2.6666666667vw;
  }
}

body {
  font-family: var(--font);
  font-size: 1.6rem;
  color: var(--text-color);
  line-height: var(--line-height);
  position: relative;
  background-color: var(--bg-main);
}
body::before {
  content: "";
  background-image: url("../images/noize.jpg");
  background-size: 100%;
  position: absolute;
  inset: 0;
  z-index: -1;
}

iframe {
  width: 100%;
  height: 100%;
  aspect-ratio: 1266/663;
}

b {
  font-weight: bold;
}

a {
  color: inherit;
  text-decoration: none;
}
textarea {
  resize: none;
}

input[type=submit] {
  transition: 0.3s;
  cursor: pointer;
}
sub {
  vertical-align: baseline;
}

select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

h2,
h3,
h4 {
  line-height: 1.45;
}

p {
  font-size: 1.6rem;
  line-height: 4rem;
}
@media (max-width: 768px) {
  p {
    font-size: 1.4rem;
    line-height: 3rem;
  }
}

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

video {
  max-width: 100%;
}

button {
  background-color: transparent;
  appearance: none;
  border: 0;
  cursor: pointer;
}

section {
  position: relative;
}

@media print, screen and (min-width: 769px) {
  a {
    transition: 0.4s;
  }
  a:hover {
    opacity: 0.7;
  }
}

*, *::before, *::after {
  box-sizing: border-box;
}

ul[class], ol[class] {
  padding: 0;
}

body, h1, h2, h3, h4, p, ul, ol, figure, blockquote, dl, dd {
  margin: 0;
}

body {
  text-rendering: optimizeSpeed;
  line-height: 1.5;
}

ul[class], ol[class] {
  list-style: none;
}

a:not([class]) {
  text-decoration-skip-ink: auto;
}

img, picture {
  max-width: 100%;
  display: block;
}

input, button, textarea, select {
  font: inherit;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
* {
  margin: 0;
  padding: 0;
}

.l-inner {
  margin-left: auto;
  margin-right: auto;
  max-width: var(--inner);
}
@media screen and (min-width: 1267px) {
  .l-inner {
    max-width: calc(var(--inner) + 4rem);
    padding-left: 2rem;
    padding-right: 2rem;
  }
}
@media (max-width: 768px) {
  .l-inner {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}
.l-inner--s {
  max-width: var(--inner-s);
}
.l-inner--l {
  max-width: var(--inner-l);
}
@media screen and (min-width: 1267px) {
  .l-inner--l {
    max-width: calc(var(--inner-l) + 4rem);
  }
}
.l-inner--full {
  max-width: var(--inner-full);
}

.l-clip {
  overflow-x: clip;
}

.l-space-left {
  padding-left: 7rem;
}

.l-space-right {
  padding-right: 7rem;
}

.header {
  position: fixed;
  inset: 0 0 auto;
  height: 19.2rem;
  padding: 2.5rem 5rem;
  z-index: 100;
  transition: transform 0.3s ease-in-out;
}
@media (max-width: 768px) {
  .header {
    height: 9.49rem;
    padding: 0 1.5rem 0;
    top: 1.5rem;
  }
}
.header__logo {
  width: 9.2rem;
}
@media (max-width: 768px) {
  .header__logo {
    width: 6.4rem;
  }
}
.header.is-hide {
  transform: translateY(-120%);
}

.footer {
  position: relative;
  z-index: 8;
  padding-bottom: 2.5rem;
}
@media print, screen and (min-width: 769px) {
  .footer {
    min-height: 65.8rem;
  }
}
@media (max-width: 768px) {
  .footer {
    padding-bottom: 1.5rem;
  }
}

.footer-box {
  height: 62.3rem;
  border-radius: 3rem;
  background: transparent;
  border: 2px solid #fff;
  /* Note: currently only Safari supports backdrop-filter */
  backdrop-filter: blur(15px);
  --webkit-backdrop-filter: blur(15px);
  background-color: rgba(255, 255, 255, 0.02);
  margin-top: -8rem;
  position: relative;
  z-index: 8;
  padding: 5rem 5rem 6rem;
}
@media (max-width: 768px) {
  .footer-box {
    height: auto;
    margin-top: 0;
    padding: 3.5rem 1.5rem 2.5rem;
  }
}
.footer-box__logo {
  margin: 0 auto 4.85rem;
  width: fit-content;
}
@media (max-width: 768px) {
  .footer-box__logo {
    margin-bottom: 2.5rem;
  }
}
.footer-box__logo img {
  width: 15.5rem;
  max-width: none;
}
@media (max-width: 768px) {
  .footer-box__logo img {
    width: 10.4rem;
  }
}
.footer-box__lead {
  font-size: 2.4rem;
  letter-spacing: 0.1em;
  margin-bottom: 3.5rem;
  text-align: center;
  font-weight: bold;
}
@media (max-width: 768px) {
  .footer-box__lead {
    font-size: 1.6rem;
    margin-bottom: 2rem;
  }
}
.footer-box__buttons {
  display: grid;
  gap: 3.5rem;
  margin-top: 3.5rem;
}
@media print, screen and (min-width: 769px) {
  .footer-box__buttons {
    grid-template-columns: repeat(2, auto);
    justify-content: center;
  }
}
@media (max-width: 768px) {
  .footer-box__buttons {
    max-width: 30rem;
    margin-left: auto;
    margin-right: auto;
    gap: 1.5rem;
    margin-top: 2rem;
  }
}
.footer-box__sep {
  margin: 6rem auto 0;
  border-top: 2px #DBDBDB solid;
}
@media (max-width: 768px) {
  .footer-box__sep {
    margin: 3.5rem auto 2.5rem;
  }
}
.footer-box__bottom {
  display: flex;
  justify-content: center;
}
@media (max-width: 768px) {
  .footer-box__bottom {
    flex-direction: column;
  }
}
.footer-box__bottom-logo {
  width: 31.5rem;
  margin-right: 5rem;
}
@media (max-width: 768px) {
  .footer-box__bottom-logo {
    width: 21.6rem;
    margin-right: 0;
    margin-bottom: 2rem;
  }
}
.footer-box__bottom-info {
  font-size: 1.4rem;
  line-height: 3rem;
}
@media (max-width: 768px) {
  .footer-box__bottom-info {
    font-size: 1.2rem;
    line-height: 2rem;
  }
}
.footer-box__copyright {
  font-size: 1.2rem;
  color: #DBDBDB;
  text-align: center;
  font-family: var(--font-en);
  margin-top: 2.5rem;
}

.wrapper {
  position: relative;
  z-index: 2;
  overflow-x: clip;
}
.c-separate {
  background-image: linear-gradient(to right, var(--color-black) 4px, transparent 4px);
  background-size: 8px 1px;
  background-repeat: repeat-x;
  max-width: 126.6rem;
  height: 1px;
  margin-left: auto;
  margin-right: auto;
}
@media (max-width: 768px) {
  .c-separate {
    background-position: left 1px bottom;
    max-width: 100%;
    margin: 0 1.5rem;
  }
}

.c-button {
  width: 20rem;
  height: 4.5rem;
  background-color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #123466;
  font-family: var(--font-en);
  font-weight: normal;
  letter-spacing: 0.1em;
}
.c-button::before {
  content: "";
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  background-color: currentColor;
  transition: transform ease 0.5s;
  transform: scaleX(0);
  transform-origin: center left;
}
.c-button:hover .c-button__text {
  color: #fff;
}
.c-button:hover::before {
  transform-origin: center right;
  transform: scaleX(1);
}
.c-button__text {
  position: relative;
  z-index: 2;
}