@charset "UTF-8";
:root {
  --font-color: #000;
  --main-color: #000;
  --sans: "Helvetica Neue", "Helvetica", "Hiragino Sans",
    "Hiragino Kaku Gothic ProN", "Arial", "Yu Gothic", "Meiryo", sans-serif;
  --serif: "Times New Roman", "YuMincho", "Hiragino Mincho ProN", "Yu Mincho",
    "MS PMincho", serif;
}

/* ------------------------------
  common(sp)
------------------------------ */
html {
  background-color: var(--main-color);
}

body {
  line-height: 1;
  font-weight: 400;
  color: var(--font-color);
  font-family: var(--sans);
}

a {
  text-decoration: none;
}

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

.pc {
  display: none;
}

.sp {
  display: inline-block;
}

p{
    font-size: 15px;
    line-height: 1.75em;
}

.hero {
    aspect-ratio: 376 / 712;
    background: url(../images/main_img_sp.jpg) no-repeat center / cover;
  }
.background-art{
background: url(../images/bk.jpg) no-repeat center / cover;
    }

.btn-area-wrap{
    padding: 30px 30px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.btn-area-inner {
    display: block;
    margin-top: 35px;
    text-align: center;

  }

.btn-jp,  .btn-en {
    align-items: center;
    width: 300px;
    height: 70px;
    background-color: rgba(255,255,255,0.75);
    font-weight: 400;
    color: rgba(0,0,0,1.00);
    text-align: center;
    line-height: 70px;
    font-family: var(--serif);
    font-size: 25px;
    letter-spacing: 0.05em;
    display: block;
    margin-left: auto;
    margin-right: auto;
    margin-top: 0px;
    margin-bottom: 30px;
}

.btn-jp span,  .btn-en span{
    font-size: 18px;
}

.sns-area-wrap{
    padding-right: 30px;
    padding-left: 30px;
    padding-bottom: 50px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.sns-area-inner {
    display: flex;
    justify-content: center;
    margin-top: 35px;
  }

.sns-area-inner a{
    padding-left: 10px;
    padding-right: 10px;
}

.sns-area-inner a img{
    height: 35px;
}

.txt-area-wrap{
    padding: 50px 30px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255,255,255,1.00);
    font-family: var(--serif);
}
    
h2{
    font-size: 24px;
    padding-bottom: 10px;
    line-height: 1.75em;
    font-weight: 600;
	}
 h2.txt_en{
    margin-top: 40px;
} 



@media (min-width: 768px) {
  /* ------------------------------
    common(pc)
  ------------------------------ */

  img {
    width: auto;
    max-width: 100%;
  }
    
p{
	font-size: 16px;
	line-height: 1.75em;
}
  .pc {
    display: inline-block;
  }

  .sp {
    display: none;
  }

  .hover {
    transition: 0.3s;
  }

  .hover:hover {
    opacity: 0.7;
  }
  .hero {
    aspect-ratio: 25 / 12;
    background: url(../images/main_img_pc.jpg) no-repeat center / cover;
  }

.background-art{
background: url(../images/bk.jpg) no-repeat center / cover;
    }

.btn-area-wrap{
    padding: 50px 20px;
    width: 1080px;
    margin-left: auto;
    margin-right: auto;
}

.btn-area-inner {
    display: flex;
    justify-content: space-between;
    margin-top: 35px;
  }


.btn-jp,  .btn-en {
    display: block;
    align-items: center;
    width: 300px;
    height: 70px;
    background-color: rgba(255,255,255,0.75);
    font-weight: 400;
    color: rgba(0,0,0,1.00);
    text-align: center;
    line-height: 70px;
    font-family: var(--serif);
    font-size: 25px;
    letter-spacing: 0.05em;
}
    
.btn-jp span,  .btn-en span{
    font-size: 18px;
}

.sns-area-wrap{
    padding-right: 20px;
    padding-left: 20px;
    padding-bottom: 50px;
    width: 740px;
    margin-left: auto;
    margin-right: auto;
}




.txt-area-wrap{
    padding: 50px 20px;
    width: 740px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255,255,255,1.00);
    font-family: var(--serif);
}

    h2{
    font-size: 26px;
    padding-bottom: 10px;
    line-height: 1.75em;
    font-weight: 600;
	}
}