@charset "UTF-8";

.sm {
    display: none;
}
html {
    scroll-behavior: smooth;
}

a{
    text-decoration: none;
}
ul {
    list-style: none;
}
h2 {
    font-size: 30px;
    font-family: 'ＭＳ Ｐ明朝', serif;
    font-weight: lighter;
    text-align: center;
    letter-spacing: 2px;
    margin-bottom: 30px;
}
h4 {
    font-size: 20px;
    font-weight: bold;
    line-height: 1.6;
}
img {
    width: 100%;
}

.lp_wrap {
    width: 100%;
    position: relative;
    overflow: hidden;
}

/* scroll_up */
.scroll_up {
    transition: 1s ease-in-out;
    transform: translateY(30px);
    opacity: 0;
}
.scroll_up.on {
    transform: translateY(0);
    opacity: 1.0;
}
.delay-0 {
    transition-delay: 0.6s;
}
.delay-1 {
    transition-delay: 1s;
}
.delay-2 {
    transition-delay: 1.2s;
}
.delay-3 {
    transition-delay: 2s;
}
.delay-4 {
    transition-delay: 0.8s;
}
.delay-5 {
    transition-delay: 1.6s;
}
.delay-6 {
    transition-delay: 2.2s;
}
.delay-7 {
    transition-delay: 1.8s;
}
.delay-border {
    transition-delay: 0.5s;
}

.hover_up {
    transition: 1s ease-in-out;
    background-image: linear-gradient(#000 0%, #fff 100%);
    border: #000 1px solid;
    color: #000;
}
.hover_up.on {
    background-image: linear-gradient(#000 100%, #fff 0%);
    border: #000 1px solid;
    color: #fff;
}


#fadeIn {
    animation-name: fadeIn;
    animation-fill-mode:backwards;
    animation-duration: 3s;
    animation-iteration-count:infinite;
    animation-timing-function:linear;
    animation-direction:alternate-reverse;
}
.fadeIn1 {
    animation-delay: 3s;
}
.fadeIn2 {
    animation-delay: 2.5s;
}
.fadeIn3 {
    animation-delay: 2s;
}
.fadeIn4 {
    animation-delay: 1s;
}
.fadeIn5 {
    animation-delay: 4s;
}
.fadeIn6 {
    animation-delay: 3.5s;
}
.fadeIn7 {
    animation-delay: 1.5s;
}

@keyframes fadeIn{
    0% {
        opacity: 0.1;
        transform: translateY(10px);
    }

    100% {
        opacity: 0.7;
        transform: translateY(0);
    }
}
@keyframes fadeInNone{
    0% {
        opacity: 0.5;
        filter: brightness(90%);
        transform: translateY(10px);
    }
    
    100% {
        opacity: 1;
        filter: brightness(105%);
        transform: translateY(0);
    }
}


/* ------------------------------------------- */
/* Book List */
.top_list {
    width: 100%;
    background-color: #ededed;
    margin: -20px auto;
}
.top_list h2 {
    position: relative;
    top: 40px;
}
.top_list span {
    color: #a5a5a5;
    font-size: 22px;
    font-family: 'Times New Roman', Times, serif;
    display: block;
    text-align: center;
    position: relative;
    top: 30px;
}
.book_list {
    width: 70%;
    min-width: 1500px;
    margin: 0 auto;
    position: relative;
    top: 50px;
}
.book_list ul {
    display: flex;
    align-items: end;
    text-align: center;
    padding: 0;
}

.book_list ul li {
    width: 10%;
    position: relative;
}
.book_list ul li.black {
    width: 12%;
}
.book_list ul li a:hover {
    animation-name: BookListHover;
    animation-fill-mode: backwards;
    animation-duration: 1.5s;
    animation-iteration-count: infinite;
    animation-timing-function: ease-in-out;
    animation-direction: alternate-reverse;
    animation-delay: 0.5s;
}
@keyframes BookListHover{
    0% {
    filter: brightness(100%);
    }

    50% {
        filter: brightness(105%);
    }
}
.book_list ul li:first-child a {
    white-space: nowrap;
    text-decoration: underline;
    text-underline-position: under;
    position: absolute;
    top: -110px;
    right: 50%;
    transform: translateX(50%);
}
.book_list ul li:first-child a:hover {
    text-decoration: none;
    transition: 0.3s;
}

/* NEW TAG */
.book_list ul li:nth-child(2)::before {
    content: '';
    width: 40px;
    height: 40px;
    background: url(/sp/book/img/new_tag.png) no-repeat;
    background-size: 100%;
    display: block;
    position: absolute;
    top: -12%;
    right: 4%;
    z-index: 1;
}



/* Intro */
.intro {
    margin: 200px 0 0;
}
.intro p {
    text-align: center;
    line-height: 2.5;
}
.intro #time_list {
    width: 25%;
    min-width: 540px;
    margin: 50px auto 0;
    padding: 0;
    display: flex;
    justify-content: space-around;

}
.intro #time_list li a {
    text-decoration: underline;
    color: #0967dc;
    text-underline-position: under;
    position: relative;
    z-index: 100;
}
.intro #time_list li a::after {
    content: '';
    width: 1px;
    height: 14px;
    background-color: #0967dc;
    display: inline-block;
    position: absolute;
    left: 130%;
    top: 4px;
    transform: translateX(100%);
}
.intro #time_list li:last-child a::after {
    content: '';
    display: none;
}
.intro #time_list li a:hover {
    text-decoration: none;
    opacity: 0.6;
}

/* Book Container */
.book_container {
    width: 60%;
    min-width: 1500px;
    margin: 0px auto;
}
.timeline .time-content {
    position: relative;
	padding: 300px 0 0px;
}
.box {
    padding: 360px 0 400px;
    margin-top: -360px;
    display: flex;
    justify-content: space-between;
}
.book-txt {
    width: 21%;
    min-width: 420px;
    z-index: 100;
}
.book-img {
    width: 80%;
    position: relative;
}
/* ----- */
.book-txt span.date {
    width: 130px;
    height: 130px;
    margin-bottom: 40px;
    padding: 28px;
    text-align: center;
    line-height: 1.5;
    display: block;
    background-color: #dcc001;
    border-radius: 50%;
    color: #fff;
    font-weight: bold;
}
.book-txt span.date b {
    font-family: 'Outfit', sans-serif;
    font-size: 26px;
    line-height: 1;
}
.book-txt h4 {
    margin-bottom: 40px;
    position: relative;
}
.book-txt h4::after {
    content: '';
    width: 40px;
    height: 2px;
    background-color: #e9b612;
    display: block;
    position: absolute;
    bottom: -24px;
}
.book-txt .review {
    margin-top: 16px;
    padding: 40px;
    background-color: #f5f5f5;
    text-align: justify;
    line-height: 2;
}

/* ----- */
.book-img .book-main-img {
    width: 60%;
    position: absolute;
    z-index: 100;
}
.book-img .book-main-img img {
    width: 100%;
}
.book-img .book-main-img:hover {
    animation-name: BookImgHover;
    animation-fill-mode: forwards;
    animation-duration: 1.5s;
    animation-iteration-count: infinite;
    animation-timing-function: ease-in-out;
    animation-direction: alternate-reverse;
}
@keyframes BookImgHover{
    0% {
        filter: brightness(110%) drop-shadow(0px 10px 10px #00000030);
        margin-top: -20px;
    }

    100% {
        filter: brightness(100%) drop-shadow(0px 10px 10px #00000000);
        margin-top: 0px;
    }
}
.book-img .back-fadein {
    position: relative;
}
.book-img .back-fadein p {
    filter: drop-shadow(1px 4px 14px rgba(0, 0, 0, 0.1));
    position: absolute;
    opacity: 0.6;
}

/* book 1 */
#book1 {
    flex-direction: row-reverse;
}
#book1 .book-img .book-main-img {
    width: 50%;
    top: -170px;
    right: 3%;
}

#book1 .fadeIn1 {
    width: 22%;
    left: 0;
    top: 60px;
    z-index: 5;
}
#book1 .fadeIn2 {
    width: 28%;
    left: 220px;
    top: 160px;
    z-index: 4;
}
#book1 .fadeIn3 {
    width: 22%;
    right: 40%;
    z-index: 2;
}
#book1 .fadeIn4 {
    width: 22%;
    right: -5%;
    top: 440px;
    z-index: 5;
}
#book1 .fadeIn5 {
    width: 20%;
    right: -20%;
    top: 540px;
    z-index: 4;
}
#book1 .fadeIn6 {
    width: 20%;
    left: 80px;
    top: 460px;
    z-index: 6;
    animation-name: fadeInNone;
}

/* book 2 */
#book2 {
    flex-direction: row;
    margin-top: -250px;
}
#book2 .book-img .book-main-img {
    top: -60px;
    left: -40px;
}
#book2 .fadeIn1 {
    width: 22%;
    left: 400px;
    top: 440px;
    z-index: 1;
}
#book2 .fadeIn2 {
    width: 18%;
    left: 468px;
    top: 300px;
    z-index: 100;
}
#book2 .fadeIn3 {
    width: 20%;
    right: 25%;
    top: 220px;
    z-index: 3;
}
#book2 .fadeIn4 {
    width: 20%;
    right: 20.3%;
    top: 330px;
    filter: none;
    z-index: 5;
    animation-name: fadeInNone;
}
#book2 .fadeIn5 {
    width: 22%;
    right: 0;
    top: 280px;
    z-index: 5;
    animation-name: fadeInNone;
    animation-delay: 4s;
}

/* book 3 */
#book3 {
    flex-direction: row-reverse;
}
#book3 .book-img .book-main-img {
    top: 40px;
    right: -2%;
}
#book3 .fadeIn1 {
    width: 38%;
    left: 0;
    top: 110px;
    z-index: 1;
}
#book3 .fadeIn2 {
    width: 18%;
    left: 16%;
    top: 450px;
    z-index: 4;
}
#book3 .fadeIn3 {
    width: 22%;
    right: 0;
    top: 580px;
    z-index: 2;
}
#book3 .fadeIn4 {
    width: 20%;
    left: 30%;
    top: 310px;
    z-index: 2;
}
#book3 .fadeIn5 {
    width: 6%;
    right: -4%;
    top: 740px;
    z-index: 100;
    animation-name: fadeInNone;
    animation-delay: 1s;
}
#book3 .fadeIn6 {
    width: 6%;
    left: 35%;
    top: 90px;
    z-index: 6;
    animation-name: fadeInNone;
    animation-delay: 3s;
}

/* book 4 */
#book4 {
    flex-direction: row;
    padding: 320px 0 420px;
    margin-top: -320px;
}
#book4 .book-img .book-main-img {
    top: 20px;
    left: -4.2%;
}
#book4 .fadeIn1 {
    width: 20%;
    left: -6%;
    top: 530px;
    z-index: 1;
}
#book4 .fadeIn2 {
    width: 22%;
    left: 43%;
    top: 260px;
    z-index: 2;
}
#book4 .fadeIn3 {
    width: 24%;
    right: 17%;
    top: 400px;
    z-index: 4;
}
#book4 .fadeIn4 {
    width: 22%;
    right: 0;
    top: 280px;
    z-index: 3;
}
#book4 .fadeIn5 {
    width: 12%;
    left: -16%;
    top: 620px;
    z-index: 90;
    animation-name: fadeInNone;
    animation-delay: 4s;
}
#book4 .fadeIn6 {
    width: 8%;
    left: 30.5%;
    top: 680px;
    z-index: 100;
    animation-name: fadeInNone;
    animation-delay: 1s;
}

/* book 5 */
#book5 {
    flex-direction: row-reverse;
}
#book5 .book-img .book-main-img {
    width: 65%;
    top: -106px;
    right: -2%;
}
#book5 .fadeIn1 {
    width: 24%;
    left: 0;
    top: 140px;
    z-index: 1;
}
#book5 .fadeIn2 {
    width: 26%;
    left: 16%;
    top: 290px;
    z-index: 3;
}
#book5 .fadeIn3 {
    width: 24%;
    right: -3%;
    top: 440px;
    z-index: 2;
}
#book5 .fadeIn4 {
    width: 22%;
    left: 23%;
    top: 180px;
    z-index: 5;
}
#book5 .fadeIn5 {
    width: 18%;
    left: 36%;
    top: 630px;
    z-index: 4;
    animation-name: fadeInNone;
    animation-delay: 3s;
}

/* book 6 */
#book6 {
    flex-direction: row;
}
#book6 .book-img .book-main-img {
    width: 65%;
    top: -81px;
    left: -5%;
}
#book6 .fadeIn1 {
    width: 26%;
    right: 25%;
    top: 430px;
    z-index: 5;
}
#book6 .fadeIn2 {
    width: 24%;
    right: 17%;
    top: 150px;
    z-index: 2;
}
#book6 .fadeIn3 {
    width: 22%;
    right: 0%;
    top: 350px;
    z-index: 4;
}
#book6 .fadeIn4 {
    width: 12%;
    right: 3%;
    top: 190px;
    z-index: 3;
}

/* book 7 */
#book7 {
    flex-direction: row-reverse;
}
#book7 .book-img .book-main-img {
    top: 30px;
    right: -2%;
}
#book7 .fadeIn1 {
    width: 18%;
    left: 0;
    top: 370px;
    z-index: 4;
}
#book7 .fadeIn2 {
    width: 14%;
    left: 15.5%;
    top: 570px;
    z-index: 3;
}
#book7 .fadeIn3 {
    width: 20%;
    left: 24%;
    top: 310px;
    z-index: 1;
}
#book7 .fadeIn4 {
    width: 20%;
    left: 38%;
    top: 470px;
    z-index: 2;
}
#book7 .fadeIn5 {
    width: 18%;
    right: 5%;
    top: 540px;
    z-index: 4;
}
#book7 .fadeIn6 {
    width: 20%;
    right: -12%;
    top: 710px;
    z-index: 100;
}
#book7 .fadeIn7 {
    width: 16%;
    left: 38%;
    top: 300px;
    z-index: 200;
    animation-name: moving;
    animation-fill-mode:backwards;
    animation-duration: 3s;
    animation-iteration-count: infinite;
    animation-timing-function: cubic-bezier(.62,1.14,1,1);
    animation-direction: normal;
    animation-delay: 3s;
    opacity: 1;
}
@keyframes moving {
    0% {
        transform: translate(60px, -40px);
        opacity: 0;
	}
    20% {
        transform: translate(0, 0);
        opacity: 1;
    }
	100% {
		transform: translate(0, 0);
        opacity: 1;
	}
}


/* book 8 */
#book8 {
    flex-direction: row;
}
#book8 .book-img .book-main-img {
    top: -80px;
    left: -3.5%;
}
#book8 .fadeIn1 {
    width: 20%;
    left: 40%;
    top: 360px;
    z-index: 4;
}
#book8 .fadeIn2 {
    width: 20%;
    right: 25%;
    top: 140px;
    z-index: 3;
}
#book8 .fadeIn3 {
    width: 20%;
    right: 17%;
    top: 480px;
    z-index: 1;
}
#book8 .fadeIn4 {
    width: 22%;
    right: 0;
    top: 320px;
    z-index: 2;
}
#book8 .fadeIn5 {
    width: 12%;
    right: 11%;
    top: 80px;
    z-index: 4;
    animation-name: fadeInNone;
    animation-delay: 3s;
}
#book8 .fadeIn6 {
    width: 11%;
    right: 3%;
    top: 160px;
    z-index: 5;
    animation-name: fadeInNone;
    animation-delay: 2s;
}
#book8 .fadeIn7 {
    width:18%;
    left: -11%;
    top: 600px;
    z-index: 200;
    animation-name: fadeInNone;
}

/* book 9 */
#book9 {
    flex-direction: row-reverse;
}
#book9 .book-img .book-main-img {
    width: 50%;
    top: 20px;
    right: -1.3%;
}
#book9 .fadeIn1 {
    width: 20%;
    left: 0;
    top: 300px;
    z-index: 4;
}
#book9 .fadeIn2 {
    width: 18%;
    left: 9%;
    top: 70px;
    z-index: 3;
}
#book9 .fadeIn3 {
    width: 24%;
    left: 24%;
    top: 300px;
    z-index: 5;
}
#book9 .fadeIn4 {
    width: 20%;
    left: 42%;
    top: 150px;
    z-index: 2;
}
#book9 .fadeIn5 {
    width: 18%;
    right: -5%;
    top: 560px;
    z-index: 4;
}
#book9 .fadeIn6 {
    width: 12%;
    left: 28.5%;
    top: 90px;
    z-index: 5;
    animation-name: fadeInNone;
    animation-delay: 6s;
}
#book9 .fadeIn7 {
    width: 18%;
    right: -20%;
    top: 614px;
    z-index: 100;
    opacity: 1;
    animation-name: fadeInNone;
    animation-delay: 1s;
}

/* book 10 */
#book10 {
    flex-direction: row;
}
#book10 .book-img .book-main-img {
    top: -40px;
    left: -1.5%;
}
#book10 .book-img {
    position: relative;
}

#book10 .fadeIn1 {
    width: 18%;
    left: -5%;
    top: -20px;
    z-index: 4;
}
#book10 .fadeIn2 {
    width: 22%;
    right: 25%;
    top: 160px;
    z-index: 1;
}
#book10 .fadeIn3 {
    width: 22%;
    left: 35%;
    top: 400px;
    z-index: 5;
}
#book10 .fadeIn4 {
    width: 20%;
    right: 0%;
    top: 300px;
    z-index: 3;
}
#book10 .fadeIn5 {
    width: 18%;
    left: -25%;
    top: 500px;
    z-index: 4;
}
#book10 .fadeIn6 {
    width: 20%;
    right: 10%;
    top: 40px;
    z-index: 2;
}

/* book 11 */
#book11 {
    flex-direction: row-reverse;
}

#book11 .book-img .book-main-img {
    top: 0;
    left: 30%;
}

#book11 .fadeIn1 {
    width: 22%;
    left: 20%;
    top: 470px;
    z-index: 4;
}
#book11 .fadeIn2 {
    width: 24%;
    right: -10%;
    top: 520px;
    z-index: 3;
}
#book11 .fadeIn3 {
    width: 20%;
    right: -33%;
    top: 660px;
    z-index: 2;
}
#book11 .fadeIn4 {
    width: 22%;
    left: 5%;
    top: 150px;
    z-index: 2;
}
#book11 .fadeIn5 {
    width: 22%;
    left: -5%;
    top: 540px;
    z-index: 1;
}
#book11 .fadeIn6 {
    width: 12%;
    left: 18%;
    top: 770px;
    z-index: 10;
    animation-name: fadeInNone;
    animation-delay: 1s;
}
#book11 .fadeIn7 {
    width: 8%;
    right: -42%;
    top: 570px;
    z-index: 100;
    animation-name: fadeInNone;
    animation-delay: 1s;
}

/* book 11 */
#book12 {
    flex-direction: row;
}
#book12 .book-img {
    top: -100px;
}

#book12 .book-img .book-main-img::before {
    content: '';
    width: 100px;
    height: 110px;
    background: url(/sp/book/img/new-sticker.png) no-repeat;
    background-size: 100%;
    display: block;
    position: absolute;
    top: -5%;
    right: 18%;
    z-index: 1;
    transform: rotate(345deg);
}

#book12 .fadeIn1 {
    width: 20%;
    left: 2%;
    top: 520px;
    z-index: 3;
}
#book12 .fadeIn2 {
    width: 24%;
    right: 25%;
    top: 430px;
    z-index: 1;
}
#book12 .fadeIn3 {
    width: 25%;
    right: 9%;
    top: 190px;
    z-index: 4;
}
#book12 .fadeIn4 {
    width: 20%;
    left: -25%;
    top: 600px;
    z-index: 4;
}
#book12 .fadeIn5 {
    width: 9%;
    right: 35%;
    top: 110px;
    z-index: 1;
    animation-name: fadeInNone;
    animation-delay: 3s;
}
#book12 .fadeIn6 {
    width: 14%;
    left: -6%;
    top: 620px;
    z-index: 100;
    animation-name: fadeInNone;
    animation-delay: 2s;
}















.timeline .time-content .time-year {
    width: 80px;
    height: 80px;
    line-height: 1.6;
    display: block;
    text-align: center;
    padding: 28px 20px;
    color: #fff;
    z-index: 10;
    position: absolute;
    left: 50%;
    top: 0px;
    transform: translateX(-50%);
}
.timeline .time-content .time-year::after {
    content: '';
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: #000;
    display: block;
    position: absolute;
    top: 0px;
    left: 50%;
    transform: translateX(-50%);
    z-index: -1;
}
.timeline .time-content .time-year-top {
    opacity: 0;
    margin-top: -60px;
    z-index: -1;
}

.border-line {
	position: absolute;
	left: 50%;
	top: 0px;
	width: 1px;
	height:0;
	background: #000000;
    z-index: -1;
}
.time-content-top>.border-line {
    top: 300px;
    max-height: calc(100% - 300px);
}
.time-content:last-child .border-line {
    top: 0px;
    max-height: calc(100% - 400px);
}