@charset "UTF-8";

html {
  scroll-behavior: smooth;
}
* {
  box-sizing: border-box;
}
body {
  font-size: 15px;
  line-height: 2;
  font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
  background-image: repeating-linear-gradient(315deg, #bafdff, #bafdff 5px, transparent 5px, transparent 15px);
  padding-top: 80px;
}

img {
  max-width: 100%;
}
.pc {
  display: block;
}
.sp {
  display: none;
}
a {
  text-decoration: none;
  color: #000;
  transition: all 0.5s;
}
a:hover {
  opacity: 0.7;
}
#showha,
#platinumend,
#gakyuhotei,
#allyouneediskill,
#bakuman,
#ralgrad,
#deathnote,
#hikarunogo,
#sakon,
#cyborgG {
  margin-top: 0;
  padding-top: 150px;
}
/****************************************
コンテンツ
*****************************************/
.contents {
  background-color: #fff;
  margin: 0 auto;
  width: 95%;
  max-width: 1200px;
  padding-bottom: 5rem;
}
/****************************************
ヘッダー
*****************************************/
header {
  margin: 0 auto;
  max-width: 1050px;
}
header img {
  margin: -50px auto 0;
}
.read {
  margin: 3rem auto;
  width: 80%;
  max-width: 950px;
  display: flex;
  background: url(../_img/read_bg.png) no-repeat center center;
  background-size: 100%;
}
.read_ill,
.read_comics {
  width: 50%;
  text-align: center;
}

/****************************************
メイン
*****************************************/
main {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}
main::before {
  content: '';
  position: absolute;
  top: 10px;
  left: 27px;
  width: 3px;
  height: 100%;
  background: #fff000;
}
.ttl_year {
  width: 100%;
  text-align: left;
  position: relative;
  margin: 8rem auto 3rem;
}
.ttl_year0 {
  margin: 3rem auto 3rem;
}
.ttl_year img {
  z-index: 100;
}

/****************************************
セクション
*****************************************/
section {
  max-width: 800px;
  margin: 0 0 0 90px;
}

.ttl {
  border-left: 3px solid #41afe3;
  padding: 0 0 0 2rem;
  margin-bottom: 4rem;
}
h2 {
  font-size: 2.5rem;
  font-weight: bold;
  color: #41afe3;
}
.author {
  font-size: 1.5rem;
}
.story {
  padding: 0.5rem 0;
  color: #727272;
}
h3 {
  font-size: 1.5rem;
  font-weight: bold;
}
ul.tameshiyomi_comics {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 4rem;
  width: 100%;
}
ul.tameshiyomi_comics li {
  padding: 0 2%;
  transition: all 0.5s;
  position: relative;
}

.tameshiyomi_comics img {
  height: 350px;
}
ul.tameshiyomi_comics li img {
  width: 100%;
  border: 1px solid #d6d6d6;
}
/*
ul.tameshiyomi_comics li:hover {
  transform: scale(1.03);
}*/
.bnr {
  line-height: 1.4;
  margin-bottom: 4rem;
}
.bnr2 {
  line-height: 1.4;
  margin-bottom: 1rem;
}
.bnr img,
.bnr2 img {
  width: 100%;
}
ul.bnr_next {
  display: flex;
  flex-wrap: wrap;
}
ul.bnr_next li {
  width: 14.28%;
  padding: 0.5%;
}

.tameshiyomi_btn {
  text-align: center;
  border: 1px solid #c3c3c3;
  padding: 0.5rem;
  background-color: #ff0;
  color: #000;
}

/****************************************
タイムライン
*****************************************/
.timeline {
  display: flex;
}
.timeline_img {
  width: 45%;
  background: url(../_img/timeline_img.png) no-repeat center center;
  background-size: 100%;
}
.timeline_txt {
  width: 55%;
}
ul.timeline_list {
  text-align: left;
  font-size: 1.2rem;
  padding-left: 7%;
  font-weight: bold;
}
ul.timeline_list li {
  position: relative;
  border-bottom: 1px solid #eee;
  vertical-align: middle;
}
ul.timeline_list li span {
  display: inline-block;
  color: #41afe3;
  font-family: 'Oswald', sans-serif;
  font-optical-sizing: auto;
  padding: 0 0.5rem;
  font-size: 1.2rem;
}
ul.timeline_list li::after {
  content: '〉';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem;
  color: #41afe3;
  font-weight: bold;
}
ul.timeline_list li a {
  display: block;
  padding: 0.8rem 2rem 0.8rem 0;
}
ul.timeline_list li a:hover {
  background-color: #fffb8b;
}
/****************************************
購入ボタン
*****************************************/
.by {
  background-color: #f4f4f4;
  border: 1px solid #f0f0f0;
  padding: 5%;
}
ul.btn_by {
  display: flex;
  flex-wrap: wrap;
}
ul.btn_by li {
  width: 20%;
  padding: 0.5%;
}
ul.btn_by li img {
  border: 1px solid #dfdfdf;
}
.by_ttl {
  padding: 1rem 0;
  width: 100%;
  text-align: center;
  margin-top: 1rem;
  border-top: 1px #dfdfdf solid;
}
.sonota {
  text-align: center;
  max-width: 350px;
  width: 70%;
  margin: auto;
  background-color: #fff;
  border: 1px solid #dddddd;
}
.sonota a {
  color: #000;
  display: block;
  padding: 1rem;
}

/****************************************
表紙スクロール
*****************************************/
@keyframes infinity-scroll-left {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-100%);
  }
}
.scroll-sticky {
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 10;
}
.scroll-infinity__wrap {
  width: 100%;
  display: flex;
  overflow: hidden;
  padding: 0.5rem 0;
  background-color: #fff000;
  border-top: 2px solid #fff000;
  border-bottom: 2px solid #fff000;
}
.scroll-infinity__list {
  display: flex;
  list-style: none;
}
.scroll-infinity__list--left {
  animation: infinity-scroll-left 80s infinite linear 0.5s both;
}
.scroll-infinity__item {
  width: 80px;
  font-size: 0;
}
.scroll-infinity__item > a > img {
  width: auto;
  height: 120px;
  padding: 0 1%;
}
/****************************************
X
*****************************************/

.twitter-tweet {
  margin: 0 auto;
  padding: 1%;
}

.read_ill_ttl {
  margin: 3rem auto 0;
  max-width: 450px;
}
.read_ill_ttl img {
  width: 100%;
}

@media (max-width: 768px) {
  .twitter-tweet {
    margin: 0 auto;
    max-width: 80% !important;
  }
  .read_ill_ttl {
    width: 80%;
  }
}

/****************************************
SQバナー
*****************************************/
.sq_bnr {
  overflow: hidden;
  max-width: 1000px;
  display: flex;
  margin: 0 auto;
  align-items: center;
  text-align: center;
}

.sq_bnr1,
.sq_bnr2 {
  width: 50%;
  padding: 5%;
}
.sq_bnr1 img,
.sq_bnr2 img {
  width: 90%;
}
/****************************************
SNSボタン
*****************************************/
.sns_list {
  display: flex;
  width: 250px;
  margin: 0 auto;
}
.tw,
.fb,
.li {
  width: 33%;
  padding: 9%;
}
/****************************************
フッター
*****************************************/
footer {
  border-top: 1px solid #333;
  background-color: #000;
  text-align: center;
  padding: 2rem;
  color: #dadada;
  font-size: 0.8rem;
}

/*******************************************************/
/*******************************************************/
/*******************************************************/
/*******************************************************/
/*******************************************************/
/********************************スマホ***********************/

@media (max-width: 768px) {
  .pc {
    display: none;
  }
  .sp {
    display: block;
  }
  body {
    background-image: repeating-linear-gradient(315deg, #bafdff, #bafdff 2px, transparent 2px, transparent 7px);
    padding-top: 80px;
  }
  /****************************************
ヘッダー
*****************************************/
  header img {
    padding: 10px 0 0 0;
  }
  .read {
    margin: 3rem auto;
    width: 90%;
    max-width: 950px;
    display: flex;
    background: url(../_img/read_bg.png) no-repeat top center;
    background-size: 100%;
  }

  .read_ill {
    width: 51.7%;
    padding: 2%;
  }
  .read_comics {
    width: 47.3%;
    padding: 2%;
  }

  /****************************************
メイン
*****************************************/
  main::before {
    top: 10px;
    left: 15px;
    width: 2px;
  }
  .ttl_year {
    width: 45%;
    margin: 5rem auto 0 0;
    padding-left: 0;
  }
  .ttl_year0 {
    width: 90%;
    margin: 2rem auto 0 0;
    padding-left: 2px;
  }
  .ttl_year img,
  .ttl_year0 img {
    z-index: 100;
    width: 100%;
  }

  /****************************************
セクション
*****************************************/
  section {
    width: 85%;
    margin: 0 0 0 10vw;
  }
  .ttl {
    border-left: 2px solid #41afe3;
    padding: 0 0 0 1rem;
    margin-bottom: 2rem;
    margin-top: 1rem;
  }
  h2 {
    font-size: 7vw;
  }
  .author {
    font-size: 4.5vw;
    font-weight: bold;
  }
  .story {
    font-size: 0.9rem;
    line-height: 1.6;
    padding: 0.5rem 0;
  }
  h3 {
    font-size: 5vw;
    line-height: 1.5;
    margin-bottom: 0.5rem;
  }
  ul.tameshiyomi_comics {
    margin-bottom: 4rem;
    width: 100%;
  }
  ul.tameshiyomi_comics li {
    padding: 0 1%;
  }
  .tameshiyomi_comics img {
    height: auto;
  }

  .tameshiyomi_btn {
    padding: 0.2rem;
  }
  ul.tameshiyomi_comics1 {
    width: 55%;
    margin: 0 auto 3rem;
  }

  /****************************************
タイムライン
*****************************************/
  .timeline {
    display: block;
  }
  .timeline_img {
    width: 100%;
    padding-bottom: calc(100% * 900 / 768);
    /* calc(100*ImageHeight/ImageWidth)% */
    background-size: 68%;
  }
  .timeline_txt {
    width: 100%;
  }
  ul.timeline_list {
    font-size: 4vw;
    padding-left: 0;
  }
  ul.timeline_list li span {
    font-size: 4vw;
  }

  /****************************************
購入ボタン
*****************************************/
  .by {
    background-color: #fff;
    border: none;
    padding: 0;
  }
  ul.btn_by {
    display: flex;
    flex-wrap: wrap;
  }
  ul.btn_by li {
    width: 33%;
    padding: 0.5%;
  }
  ul.btn_by li img {
    border: 1px solid #dfdfdf;
  }
  .by_ttl {
    padding: 0.5rem;
    margin-top: 0;
    border-top: none;
  }
  .sonota a {
    padding: 0.3rem;
  }

  /****************************************
表紙スクロール
*****************************************/
  .scroll-infinity__item > a > img {
    width: auto;
    height: 100px;
    padding: 0;
  }
  /****************************************
  SNSボタン
  *****************************************/
  .sns_list {
    width: 180px;
  }
}