* {
  box-sizing: border-box;
}

body{
  color:#333;
  font-family: sans-serif;
  font-size:12px;
  letter-spacing:1px;
  line-height: 170%;
  margin:0;
}

br {
  letter-spacing:normal;
}

a:hover {
  opacity: 0.8;
}

#rainy_effect {
  margin: 0;
  padding: 0;
  z-index: 1;
  overflow: hidden;
  position: fixed;
  pointer-events: none;
}

header {
  width: 100%;
  padding: 50px 0px;
  background-color: rgba(125, 154, 180, 1);
}

header h1 {
  text-align: center;
  font-family: "Kaisei Opti", cursive;
  color: #283446;
  animation: to-blur ease-out;
  animation-timeline: scroll();
}

@keyframes to-blur {
  from { filter: blur(0); }
  to { filter: blur(70px); }
}

hr {
  border: none;
  border-bottom: 6px solid #ddd;
  margin-top: 10px;
  margin-bottom: 5px;
}


h2 {
  font-size: 18px;
  margin-bottom: 10px;
  padding: 3px 7px;
}

h3 {
  margin-top: 35px;
  margin-bottom: 20px;
}

main {
  width: 100%;
  background-image: url(../pict/hydrangea.png), linear-gradient(0deg, rgba(176, 198, 219, 1)5%, rgba(144, 175, 199, 1) 15%, rgba(125, 154, 180, 1)80%);
  background-repeat: repeat-x;
  background-position: left bottom;
  padding-bottom: 300px;
}

.main_body {
  background-repeat: repeat;
  background-position: left top;
  padding-bottom: 450px;
  margin: 0 auto;
}

section {
  background-color: #C6D2DF;
  border: 6px solid #ddd;
  box-shadow: 0 0 10px #4D5269;
  width: 100%;
  margin-bottom: 50px;
  text-align: center;
  padding: 20px 50px 50px 50px;
}

section a {
  color: #2A6E6B;
  font-weight: bold;
}

section p {
  font-size: 16px;
  line-height: 180%;
  text-align: center;
  padding: 10px;
}


section img{
  max-width: 90%;
}

.img_flex {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

.text_flex {
  margin-top: 20px;
}

.idol {
  background-color: #C6D2DF;
  border-top-left-radius: 100px;
  border-top-right-radius: 100px;
  border-bottom-left-radius: 5px;
  border-bottom-right-radius: 5px;
  border: 8px solid #4D5269;
  width: 200px;
  height: 320px;
  margin: 15px 25px;
  padding: 20px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

footer {
  width: 100%;
  text-align: center;
  position: relative;
  background-color: #727889;
}

footer a {
  color: #fff;
  transition: 0.2s;
}

footer a:hover {
  color: #4D5269;
}

.footer_top {
  width: 100%;
  height: 120px;
  position: relative;
}

.footer_bottom {
  width: 100%;
  color: #fff;
  margin-top: 100px;
  padding-bottom: 50px;
}

.footer_kei {
  position: absolute;
  width: 450px;
  /*left: 200px;*/
  bottom: 0px;
}

.bgm_box {
  position: fixed;
  bottom: 180px;
  right: 0px;
  z-index: 2;
  background-color: #fff;
  border-top-left-radius: 40px;
  border-bottom-left-radius: 40px;
  text-align: center;
  padding: 20px 100px 30px 20px;
  cursor: pointer;
}

.bgm_on {
  background-image: url("../pict/sound_off.png");
  background-repeat: no-repeat;
  background-position: top left;
  background-size: contain;
}

.bgm_off {
  background-image: url("../pict/sound_on.png");
  background-repeat: no-repeat;
  background-position: top left;
  background-size: contain;
}

.scroll_box {
  position: fixed;
  bottom: 100px;
  right: 0px;
  z-index: 2;
  background-color: #fff;
  border-top-left-radius: 40px;
  border-bottom-left-radius: 40px;
  text-align: center;
  padding: 20px 100px 30px 20px;
  cursor: pointer;
  background-image: url("../pict/up.png");
  background-repeat: no-repeat;
  background-position: top left;
  background-size: contain;
  transition: 0.5s;
}

.disp_off {
  right: -200px;
  transition: 0.5s;
}


.rei {
  background-image: url("../pict/08_rei.png");
}

.yusuke {
  background-image: url("../pict/12_yusuke.png");
}
.kyosuke {
  background-image: url("../pict/13_kyosuke.png");
}


.hideo {
  background-image: url("../pict/14_hideo.png");
}
.ryu {
  background-image: url("../pict/15_ryu.png");
}
.seiji {
  background-image: url("../pict/16_seiji.png");
}

.kirio {
  background-image: url("../pict/17_kirio.png");
}
.kuro {
  background-image: url("../pict/18_kuro.png");
}
.shoma {
  background-image: url("../pict/19_shoma.png");
}


.suzaku {
  background-image: url("../pict/25_suzaku.png");
}
.genbu {
  background-image: url("../pict/26_genbu.png");
}


.yukihiro {
  background-image: url("../pict/27_yukihiro.png");
}
.soichiro {
  background-image: url("../pict/28_soichiro.png");
}
.asselin {
  background-image: url("../pict/29_asselin.png");
}
.makio {
  background-image: url("../pict/30_makio.png");
}
.saki {
  background-image: url("../pict/31_saki.png");
}


.amehiko {
  background-image: url("../pict/44_amehiko.png");
}
.sora {
  background-image: url("../pict/45_sora.png");
}
.chris {
  background-image: url("../pict/46_chris.png");
}

.shu {
  background-image: url("../pict/47_shu.png");
}
.momohito {
  background-image: url("../pict/48_momohito.png");
}
.eishin {
  background-image: url("../pict/49_eishin.png");
}

.alte01 {
  background-image: url("../pict/illust/s_alte01.png");
}
.alte02 {
  background-image: url("../pict/illust/s_alte02.png");
}
.alte03 {
  background-image: url("../pict/illust/s_alte03.png");
}

.tt04 {
  background-image: url("../pict/illust/s_tt04.png");
}
.tt06 {
  background-image: url("../pict/illust/s_tt06.png");
}
.tt08 {
  background-image: url("../pict/illust/s_tt08.png");
}


/*=================================================*/
/* スマートフォン閲覧用 */
/*=================================================*/
@media screen and (max-width: 768px) {

  body{
    font-size: 10px;
    letter-spacing: 1px;
    line-height: 170%;
    margin: 0;
  }

  section br {
    display: none;
  }

  a {
    transition:0.2s;
    text-decoration:underline;
    color:#555555;
  }

  header h1 {
    font-size: 3.5rem;
    letter-spacing: 0.3rem;
  }

  main {
    background-size: 80vw;
    padding-bottom: 200px;
  }

  .main_body {
    max-width: 80%;
    background-size: 90%;
  }

  section {
    max-width: 100%;
    padding: 10px 0px 30px 0px;
  }

  section p {
    font-size: 12px;
    line-height: 170%;
    padding: 10px 20px;
    text-align: left;
  }

  .text_flex {
    padding: 10px 20px;
  }

  section dl {
    width: 100%;
    text-align: left;
    margin: 10px 0px;
  }

  section dt {
    font-size: 14px;
  }

  section dd {
    font-size: 11px;
    margin: 6px 0px 20px 0px;
  }

  .idol {
    max-width: 160px;
    max-height: 256px;
    border: 5px solid #4D5269;
  }

  .footer_top {
    max-height: 15vh;
  }

  .footer_bottom {
    width: 80%;
    padding-left: 20px;
    margin-top: 300px;
    padding-bottom: 60px;
  }

  .footer_kei {
    max-width: 80vw;
    left: 10px;
  }

  .bgm_box {
    bottom: 110px;
    border:3px solid #fff;
    border-top-left-radius: 30px;
    border-bottom-left-radius: 30px;
    padding: 15px 40px 20px 10px;
  }

  .scroll_box {
    bottom: 60px;
    border:3px solid #fff;
    border-top-left-radius: 30px;
    border-bottom-left-radius: 30px;
    padding: 15px 40px 20px 10px;
  }

  .disp_off {
    right: -100px;
  }

  h3 {
    font-size: 14px;
  }

  hr {
    border: none;
    border-top: dotted 3px #dddd;
    margin-top: 15px;
    margin-bottom: 15px;
  }

  footer p {
    text-align: left;
    font-size: 0.6rem;
  }

  .center {
    text-align: center;
  }

}

/*=================================================*/
/* PC閲覧用 */
/*=================================================*/
@media screen and (min-width: 768px) {

  body{
    font-size:12px;
    letter-spacing:1px;
    line-height: 170%;
    margin:0;
  }

  header h1 {
    font-size: 4.5rem;
    letter-spacing: 0.5rem;
  }

  a {
    transition:0.2s;
    text-decoration:underline;
    color:#555555;
  }

  h3 {
    font-size: 16px;
  }

  hr {
    margin-top: 30px;
    margin-bottom: 30px;
  }

  .main_body {
    width: 60%;
  }

  section dl {
    text-align: left;
    display: flex;
    justify-content: flex-start;
    width: 100%;
  }

  section dl::before {
    content: "■";
    font-size: 8px;
    margin-right: 8px;
  }

  section dt {
    display: inline-flex;
    font-size: 16px;
    list-style-type: square;
    width: 50%;
  }

  section dd {
    display: inline-flex;
    width: 50%;
  }

  footer p{
    font-size:0.6rem;
  }

  .footer_kei {
    left: 10vw;
  }

  .bgm_box {
    border: 5px solid #fff;
  }

  .scroll_box {
    border: 5px solid #fff;
  }

}