*,
*:before,
*:after {
  box-sizing: border-box;
}
html{
  scroll-behavior: smooth;
}

body {
  font-family:'TsukuBRdGothic-Regular',sans-serif,"Big Caslon", "Book Antiqua", "Palatino Linotype", Georgia, serif;
  font-size: 10px;
  font-weight:100;
  line-height: 1.8;
  letter-spacing: .3em;
  word-break: break-all;
  color: #e6e7e9;
  background-image: url(../img/music-598176_1920.jpg);
  background-repeat:  no-repeat;
  background-size:cover;
  background-position: bottom center;
  background-attachment: fixed;
}


a {
  text-decoration: none;
  color: #f4f6f7;
}

a img {
  transition: opacity .3s;
}

a img:hover {
  opacity: .8;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
  border-style: none;
}

ul,
li {
  list-style: none;
}

.pc-only {
  display: block;
}

.sp-only {
  display: none;
}

dt{
  float: left;
  margin-right: 20px;
  font-weight: 100;
  padding-top: 5px;
  
}

dd{
  margin:auto auto;
  padding:5px;
}

dl{
  white-space: nowrap;
}

/*--------------------------------
 文字
---------------------------------*/
.heading-primary {
  font-family: "Big Caslon", "Book Antiqua", "Palatino Linotype", Georgia, serif;
  font-size: 2.5em;
  line-height: 1;
  display: inline-block;
  letter-spacing: .3em;
  color: #e6e7e9;
  border-bottom: solid 1px #e6e7e9;
  margin-top: 50px;
}

.section-heading {
  margin-bottom: 30px;
  text-align: center;
}

.section-lead {
  font-size: 1.6em;
  margin-bottom: 40px;
}

/*--------------------------------
ヘッダー
---------------------------------*/
.header {
  display: flex;
  align-items: center;
  justify-content: center;
}

.main-logo{
  margin:auto 10%;
  margin-top: 20%;
  margin-bottom: 40%;
  text-align: center;
}


/*--------------------------------
グローバルナビ
---------------------------------*/

.nav {
  background-color: #5c5757;
  z-index: 1;
  font-family: "Big Caslon", "Book Antiqua", "Palatino Linotype", Georgia, serif;
  padding: 5px;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin:auto auto;
}

.nav-item {
  padding: 0 5px;
  letter-spacing: .1em;
}

.nav-link {
  font-size: 1em;
  color: #e6e7e9;
}

button[aria-expanded="true"] > span {
  position: relative;
  display: none;
}
 
button[aria-expanded="true"]::after {
  top: 20px;
  right: 20px;
  font-size: 28px;
  content: "\0d7";
}

/* iOS対策 */
.ios .gnav-link:hover {
  opacity: 1;
}

.gnav.fixed {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  transform: translate3d(0, 0, 0);
  background-color: #fff;
  -webkit-box-shadow: 0 5px 7px -3px rgba(0, 0, 0, .1);
  box-shadow: 0 5px 7px -3px rgba(0, 0, 0, .1);
}

/*--------------------------------
main
---------------------------------*/
.section{
  padding:20px
}

.content{
  background:rgba(8, 8, 8, 0.6);
  margin:150px;
  padding:20px;
}

.contents-item{
  margin:20px;
  text-align: center;
}

.item{
  margin-bottom: 20px;
}

.icon{
  width: 50px;
}

.contact{
  text-align: center;
  border-bottom: solid 1px rgb(212, 211, 211);
  width: 230px;
  margin:auto;
}


/*----------------------------------
ボタン
------------------------------------*/
.more{
  margin: 30px;
  text-align: center;
}

.btn,
a.btn,
button.btn {
  line-height: 1;
  position: relative;
  display: inline-block;
  padding: 0.5rem 2rem;
  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: .3em;
  color: #fbf8fc;
  border-radius: 0.5rem;
}

a.btn{
  overflow: hidden;
  padding: 0.5rem 2rem;
  color: #fff;
  border-radius: 0;
  background: rgb(93, 79, 97);
}

a.btn span {
  position: relative;
}

a.btn:before {
  position: absolute;
  top: 0;
  left: 0;

  width: 200%;
  height: 500%;

  content: "";
  -webkit-transition: all 0.5s ease-in-out;
  transition: all 0.5s ease-in-out;
  -webkit-transform: translateX(-98%) translateY(-25%) rotate(45deg);
  transform: translateX(-98%) translateY(-25%) rotate(45deg);

  background: #afaeae;
}

a.btn:hover:before {
  -webkit-transform: translateX(-9%) translateY(-25%) rotate(45deg);
  transform: translateX(-9%) translateY(-25%) rotate(45deg);
}

/*--------------------------------
 Footer
---------------------------------*/
.footer {
  background-color: #333;
}

.footer .inner {
  padding: 30px;
}

.page-top {
  margin-top:10px;
  font-size: 12px;
  font-weight: bold;
  display: block;
  padding: 20px;
  cursor: pointer;
  text-align: center;
  background-color: #464545;
}

.page-top:hover {
  cursor: pointer;
  opacity: 0.7;
}


/*media Queries 767
----------------------------------------------------*/
@media screen and (max-width: 767px) {
  body {
    font-size: 10px;
    line-height: 1.7;
  }

  .pc-only {
    display: none;
  }

  .sp-only {
    display: block;
  }

  /* 文字 */
  .heading-primary {
    font-size: 20px;
    white-space: nowrap;
  }
  dl{
    margin-left: 10%;
    letter-spacing: .2em;
  }

  .text-lead{
    font-size: 12px;
  }

  /* ヘッダー */
  .header {
    height: 150vh;
  }

  /* main */
.content{
  margin:0;
}
.main-logo{
  margin-top: 70%;
  margin-bottom: 150%;
}
  /* Contact */
  .contact-item {
    width: 70px;
  }

  /* フッター */
  .footer .inner {
    padding: 20px 0;
  }
}

@media screen and (min-width: 769px) {
  dl{
    margin-left: 25%;
  }

  .sns{
    margin: 2% 25%;
  }
}