@charset "UTF-8";

html {
  scroll-behavior: smooth;
  text-align: center;
}
* {
  box-sizing: border-box;
}

body {
  font-size: var(--font-base);
  line-height: 1.8;
  text-align: left;
  color: #333;
  font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
  font-feature-settings: 'palt';
  letter-spacing: 0.1vw;
}

:root {
  /* フォントサイズ（モバイル〜デスクトップで滑らかに増減） */
  --font-base: clamp(14px, 1.6vw, 18px);
  --font-sm: clamp(12px, 1.3vw, 16px);
  --font-lg: clamp(18px, 2.4vw, 22px);
  --font-xx: clamp(20px, 2.8vw, 30px);
  --font-xl: clamp(24px, 4.8vw, 48px);
  --font-xxl: clamp(28px, 6.2vw, 64px);
}

img {
  max-width: 100%;
}
.pc {
  display: block;
}
.sp {
  display: none;
}

/****************************************
TOP
*****************************************/
main {
  background: url(../_img/bg.png);
  padding-bottom: calc(100% * 900 / 1600);
  /*  calc(100*ImageHeight/ImageWidth)% */
  background-size: 100%;
  position: relative;
  overflow: hidden;
}
main img {
  width: 100%;
  height: 100%;
}

.ttl {
  position: absolute;
  width: 11%;
  top: 25%;
  left: 10%;
}

.cover {
  position: absolute;
  width: 26%;
  top: 10%;
  left: 37%;
  box-shadow: rgba(0, 0, 0, 0.55) 0px 15px 25px;
  font-size: 0;
}
.btn {
  position: absolute;
  width: 24%;
  top: 79%;
  left: 38%;
}
.btn a {
  transition: all 1s;
  display: block;
  font-size: 0;
}
.btn a:hover {
  transform: scale(1.03);
  box-shadow: rgba(0, 0, 0, 0.55) 0px 5px 15px;
}
.comment {
  position: absolute;
  width: 19%;
  top: 18%;
  right: 8%;
}
.read {
  position: absolute;
  width: 35%;
  bottom: 3%;
  left: 2%;
}
.day {
  mix-blend-mode: exclusion;
  position: absolute;
  width: 25%;
  bottom: 13%;
  left: 2.5%;
}

.shueisha {
  position: absolute;
  width: 9%;
  bottom: 1%;
  right: 1%;
}

.icon_x:hover {
  opacity: 0.6;
}
.michio_x {
  position: absolute;
  width: 10%;
  top: 75%;
  right: 9%;
}
/****************************************
コンテンツ
*****************************************/
.contents {
  display: none;
}

/****************************************
文字スライド
*****************************************/
.ttlsub_slideWrap {
  margin: 3rem auto;
}

.story {
  font-size: var(--font-lg);
  margin: 2rem auto;
  max-width: 800px;
  width: 90%;
}
.ttlsub_slide {
  opacity: 0.6;
  height: 60px;
  background: url(../_img/slide.png);
  background-repeat: repeat-x;
  background-position: center center;
  background-size: auto 70%;
  animation: bg-scroll 50s linear infinite;
}

@keyframes bg-scroll {
  from {
    background-position: 0 0;
  }
  to {
    background-position: -2090px 0;
  }
}
.ttlsub_slide2 {
  animation: bg-scroll2 50s linear infinite;
}

@keyframes bg-scroll2 {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 2090px 0;
  }
}
/****************************************
読書メーターコメント
*****************************************/
.dokusyo_comment_bg {
  position: relative;
  padding: 5rem 0;
  background: url(../_img/dokusyo_comment_bg.png) no-repeat top right, url(../_img/dokusyo_comment_bg2.png) no-repeat bottom right, url(../_img/dokusyo_comment_bg3.png) no-repeat top left,
    url(../_img/dokusyo_comment_bg4.png) no-repeat bottom left;
}
/***背景ライン右***/
.dokusyo_comment_bg::before {
  position: absolute;
  content: '';
  top: 10px;
  right: 0;
  width: 34px;
  height: 100%;
  background: #000;
}
/***背景ライン左***/
.dokusyo_comment_bg::after {
  position: absolute;
  content: '';
  top: 10px;
  left: 0;
  width: 34px;
  height: 100%;
  background: #ddd;
  z-index: -1;
}
.dokusyo_commentWrap {
  position: relative;
  display: flex;
  max-width: 1050px;
  width: 85%;
  margin: 0 auto;
  padding: 5rem 0;
  gap: 1vw;
}
.dokusyo_commentWrap ul {
  width: 75%;
}
.dokusyo_commentWrap ul li {
  border: 1px solid #ccc;
  background-color: #fff;
  border-radius: 8px;
  padding: 3rem;
  margin-bottom: 3rem;
  background: url(../_img/dokusyo_comment_txt_bg.png) no-repeat bottom right;
  background-size: 250px;
}
.dokusyo_comment_ttl {
  width: 25%;
}
.dokusyo_comment_ttl img {
  width: 39%;
  top: 10%;
  position: sticky;
  display: block;
}
.dokusyo_comment_name {
  color: #666;
  padding-top: 0.5rem;
  font-size: var(--font-sm);
}

.dokusyo_comment_txt {
}
.dokusyo_comment_txt span {
  color: #479f85;
  font-size: var(--font-xx);
}

/****************************************
SNSボタン
*****************************************/
.sns_list {
  display: flex;
  width: 180px;
  margin: 0 auto;
}
.tw,
.fb,
.li {
  width: 33%;
  padding: 8%;
}
/****************************************
フッター
*****************************************/
footer {
  background-color: #000;
  text-align: center;
  width: 100%;
  padding: 2rem;
  color: #dadada;
  font-size: 0.7rem;
}
/*******************************************************/
/*******************************************************/
/*******************************************************/
/*******************************************************/
/*******************************************************/
/********************************SP*********************/

@media (max-width: 1024px) {
  .pc {
    display: none;
  }
  .sp {
    display: block;
  }

  main {
    padding-bottom: calc(100% * 1200 / 768);
  }

  .cover {
    width: 65%;
    top: 17%;
    left: 17.5%;
  }
  .btn {
    width: 65%;
    top: 81%;
    left: 17.5%;
  }

  .read {
    mix-blend-mode: exclusion;
    width: 98%;
    top: 4%;
    bottom: auto;
    left: 1%;
  }
  .day {
    width: 81%;
    bottom: 4%;
    left: 8.8%;
  }

  .shueisha {
    width: 28%;
    bottom: 10%;
    right: 34.5%;
  }
  .icon_x {
    width: 5%;
    top: 1%;
    right: 10%;
    transition: all 0.5s;
  }
  .michio_x {
    position: relative;
    width: 40%;
    margin: 1rem 0 0 auto;
  }

  /****************************************
文字スライド
*****************************************/
  .story {
    font-size: var(--font-base);
    margin: 1rem auto;
  }

  .ttlsub_slide {
    height: 40px;
    animation: bg-scroll 80s linear infinite;
  }
  .ttlsub_slide2 {
    animation: bg-scroll2 80s linear infinite;
  }

  /****************************************
読書メーターコメント
*****************************************/
  .dokusyo_comment_bg {
    padding: 5rem 0;
    background-size: 60px;
  }
  /***背景ライン右***/
  .dokusyo_comment_bg::before {
    width: 8px;
  }
  /***背景ライン左***/
  .dokusyo_comment_bg::after {
    width: 8px;
  }
  .dokusyo_commentWrap {
    width: 90%;
    padding: 1rem 0;
  }
  .dokusyo_commentWrap ul {
    width: 80%;
  }
  .dokusyo_commentWrap ul li {
    padding: 1rem;
    margin-bottom: 2rem;
    background-size: 150px;
    border: none;
    overflow: hidden;
  }
  .dokusyo_comment_ttl {
    width: 20%;
  }
  .dokusyo_comment_ttl img {
    width: 80%;
    top: 10%;
    margin: 0 auto;
    position: sticky;
    display: block;
  }
  .dokusyo_comment_name {
    color: #666;
    padding-top: 0.5rem;
    font-size: var(--font-sm);
  }

  .dokusyo_comment_txt {
  }
  .dokusyo_comment_txt span {
    color: #479f85;
    font-size: var(--font-lg);
  }
  /****************************************
コンテンツ
*****************************************/
  .contents_wrap {
    border-top: 10px solid #000;
    border-right: 15px solid #000;
    background: url(../_img/contents_bg.png) no-repeat top right, url(../_img/contents_bg2.png) no-repeat bottom -2px right;
  }
  .contents {
    overflow: hidden;
    display: none;
    background-color: #fff;
    display: flex;
    gap: 1%;
    width: 85%;
    margin: 4rem auto 0;
    align-items: start;
    padding-bottom: 5rem;
  }
  .contents_top {
    width: 30%;
  }
  .contents_comment {
    padding-top: 50%;
    width: 70%;
  }
  /****************************************
  SNSボタン
  *****************************************/
  .sns_list {
    width: 140px;
  }
}
/****************************************
ローディング
*****************************************/
#loading {
  width: 100vw;
  height: 100vh;
  transition: all 1s;
  background-color: #219c84;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
}
.spinner {
  width: 10px;
  height: 40px;
  background-color: #000;
  -webkit-animation: sk-rotateplane 1.2s infinite ease-in-out;
  animation: sk-rotateplane 1.2s infinite ease-in-out;
  position: absolute;
  top: 47%;
  left: 50%;
  transform: translate(-50%, -50%);
}

@-webkit-keyframes sk-rotateplane {
  0% {
    -webkit-transform: perspective(120px);
  }
  50% {
    -webkit-transform: perspective(120px) rotateY(180deg);
  }
  100% {
    -webkit-transform: perspective(120px) rotateY(180deg) rotateX(180deg);
  }
}

@keyframes sk-rotateplane {
  0% {
    transform: perspective(120px) rotateX(0deg) rotateY(0deg);
    -webkit-transform: perspective(120px) rotateX(0deg) rotateY(0deg);
  }
  50% {
    transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg);
    -webkit-transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg);
  }
  100% {
    transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);
    -webkit-transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);
  }
}
/* Loading終了で消える */
.loaded {
  opacity: 0;
  visibility: hidden;
}