* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Hina Mincho", serif;
}

.news_wrap {
  font-family: "Hina Mincho", serif;
}

.heading02 {
  position: relative;
  font-size: 26px;
  text-align: center;
  border-bottom: 5px solid #dddddd;
  padding-bottom: 16px;
  margin-bottom: 64px;
}

.heading02::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 70px;
  height: 5px;
  background-color: #001d67;
}

/*================ ヘッダー ===============*/

header {
  background-color: #001d67;
  z-index: 999;
}

.head_content {
  margin: auto;
  height: 100vh;
  background-color: #001d67;
  text-align: center;
}

.head_content img {
  margin-top: 45vh;
  height: 90px;
  z-index: 5;
}

.head_content img {
  animation: fadeIn 5s cubic-bezier(0.9, 1, 1, 1) forwards;
}

@keyframes fadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

#mv {
  top: 0;
  height: 100vh;
  overflow: hidden;
  position: absolute;
  width: 100%;
}

.mv-bg {
  -webkit-transform: translateX(-50%);
  left: 50%;
  max-height: initial;
  max-width: initial;
  min-height: 100vh;
  min-width: 100%;
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  opacity: 0.18;
}
/* ==============================
パンくずリスト
=============================== */

.breadcrumb {
  display: flex;
  flex-wrap: nowrap;
  padding: 20px 30px;
  text-align: left;
}

.breadcrumb li {
  margin-right: 10px;
  font-size: 12px;
}

.breadcrumb a {
  margin-right: 10px;
  color: #00064d;
}

/* -----------------------
ハンバーガーメニュー
------------------------ */

.hamburger {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 100;
  width: 48px;
  height: 48px;
  border: none;
  background: transparent;
  cursor: pointer;
  margin: 20px 30px;
  background-color: rgba(255, 255, 255, 0.5);
}

.hamburger__line {
  position: absolute;
  left: 11px;
  width: 26px;
  height: 2px;
  background-color: #333;
  transition: all 0.4s;
}

.hamburger__line:nth-of-type(1) {
  top: 14px;
}
.hamburger__line:nth-of-type(2) {
  top: 23px;
}
.hamburger__line:nth-of-type(3) {
  top: 32px;
}

/* メニューオープン時 */
.hamburger.active .hamburger__line:nth-of-type(1) {
  transform: translateY(9px) rotate(-45deg);
}
.hamburger.active .hamburger__line:nth-of-type(2) {
  opacity: 0;
}
.hamburger.active .hamburger__line:nth-of-type(3) {
  transform: translateY(-9px) rotate(45deg);
}

/* オフキャンバスのメニュー本体（ハンバーガーで開閉） */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 320px;
  height: 100vh;
  background-color: #001d67;
  box-shadow: 2px 0 12px rgba(0, 0, 0, 0.25);
  transform: translateX(-110%);
  transition: transform 0.35s;
  z-index: 90;
  border-radius: 20px;
}

.nav.active {
  transform: translateX(0);
}

/* アコーディオン（2段階） */
.accordion-menu {
  margin: 0;
  padding: 100px 20px 0;
  list-style: none;
}

.nav_item {
  margin: 16px 0;
}

.nav_link,
.nav_sublink,
.nav_sub2link {
  display: block;
  text-decoration: none;
}

.nav_link {
  color: #eee;
  font-weight: 900;
  background-color: #001d67;
  padding: 14px 16px;
  border-radius: 8px;
}

/* 既存の `.nav_list a` を使っていた分を無効化して新クラスに寄せる */
.nav_list a {
  background: none;
  padding: 0;
  border-radius: 0;
}

.has-sub > .dropdownlink {
  position: relative;
}

.has-sub > .dropdownlink::after {
  content: "";
  position: absolute;
  right: 14px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 2px solid #eee;
  border-bottom: 2px solid #eee;
  transform: translateY(-60%) rotate(45deg);
  transition: transform 0.25s;
}

.has-sub.open > .dropdownlink::after {
  transform: translateY(-40%) rotate(-135deg);
}

.submenuItems {
  display: none;
  margin: 10px 0 0;
  padding: 0 0 0 14px;
}

.nav_sublink {
  color: #001d67;
  font-weight: 800;
  background: #ffffff;
  padding: 12px 14px;
  border-radius: 8px;
}

.nav_sub {
  margin: 10px 0;
}

/* 2段目 */
.nav_sub2 {
  margin: 10px 0;
}

.nav_sub2link {
  color: #001d67;
  font-weight: 700;
  background: #f2f2f2;
  padding: 10px 14px;
  border-radius: 8px;
}

/* 2段目の矢印は少し薄く */
.nav_sub.has-sub > .dropdownlink::after {
  border-right-color: #001d67;
  border-bottom-color: #001d67;
}

.header_content {
  width: 100%;
  height: 600px;
  background-color: #00064d;
}

/*========= スクロールダウンのためのCSS ===============*/

/*スクロールダウン全体の場所*/
.scrolldown {
  z-index: 5;
  /*描画位置※位置は適宜調整してください*/
  position: absolute;
  bottom: 1%;
  right: 50%;
  /*矢印の動き1秒かけて永遠にループ*/
  animation: arrowmove 3s ease-in-out infinite;
}

/*下からの距離が変化して全体が下→上→下に動く*/
@keyframes arrowmove {
  0% {
    bottom: 2%;
  }
  50% {
    bottom: 5%;
  }
  100% {
    bottom: 2%;
  }
}

/*Scrollテキストの描写*/
.scrolldown span {
  /*描画位置*/
  position: absolute;
  left: -20px;
  bottom: 10px;
  /*テキストの形状*/
  color: #eee;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  /*縦書き設定*/
  -ms-writing-mode: tb-rl;
  -webkit-writing-mode: vertical-rl;
  writing-mode: vertical-rl;
}

/* 矢印の描写 */
.scrolldown:before {
  content: "";
  /*描画位置*/
  position: absolute;
  bottom: 0;
  right: -6px;
  /*矢印の形状*/
  width: 1px;
  height: 20px;
  background: #eee;
  transform: skewX(-31deg);
}

.scrolldown:after {
  content: "";
  /*描画位置*/
  position: absolute;
  bottom: 0;
  right: 0;
  /*矢印の形状*/
  width: 1px;
  height: 50px;
  background: #eee;
}

/*================ メインコンテンツ ===============*/

ol {
  list-style: none;
}

main {
  text-align: center;
}

.content {
  margin: 64px auto;
}

.since {
  font-family: "WindSong", cursive;
  font-weight: 500;
  font-style: normal;
  font-size: 50px;
  margin: 128px auto;
  color: #001d67;
}

.wrap {
  display: flex;
  align-items: center;
  overflow: hidden;
}

.musical_content {
  height: auto;
  margin: 32px auto;
  display: flex;
  animation: loop-slide 20s infinite linear 1s both;
}

@keyframes loop-slide {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-100%);
  }
}

.musical_content img {
  height: 300px;
  margin: 0px 20px;
}

.about_p {
  margin: 0 auto;
  text-align: left;
  width: 750px;
  line-height: 2rem;
}

.btn,
a.btn,
button.btn {
  margin: auto 32px;
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.5;
  position: relative;
  display: inline-block;
  padding: 1rem 4rem;
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
  text-align: center;
  vertical-align: middle;
  text-decoration: none;
  letter-spacing: 0.1em;
  color: #212529;
  border-radius: 0.5rem;
}

a.btn-malformation {
  font-size: 1rem;

  padding: 3rem 4rem;

  color: #fff;
  border-radius: 100% 80px / 80px 100%;
  background-color: #001d67;
}

a.btn-malformation:hover {
  color: #fff;
  border-radius: 60% 80% / 100% 80%;
}

.studio_img img {
  height: 200px;
}

.studio_p {
  font-size: 18px;
  margin: 32px auto 64px;
}


@media screen and (max-width: 768px) {
}

@media screen and (max-width: 450px) {
  .head_content img {
    height: 50px;
  }

  .company {
    width: 100%;
  }

  .about_p {
    width: 95%;
  }
}