@charset "utf-8";
/* CSS Document */
html{
    scroll-behavior: smooth;
}
* {
    box-sizing: border-box;
}
body{
    font-family: Arial, "Helvetica Neue", sans-serif;
    background-image:url(../img/background-vt.png);
    top: 0px;
    left: 0px;
    margin: 0px;
    background-size: cover;
}
ul,li,ol,p,h1,h2,h3{
    list-style: none;
    padding: 0px;
    margin: 0px;
}
a{
    text-decoration: none;
    color: #000;
}
img{
    width:100%;
}
header{
    display: flex;
    align-items: center;
    background-color: #f1caff;
    position: fixed;
    width: 100%;
    min-height: 100px;
    z-index: 10;
    top: 0;
    left: 0;
    padding: 0 35px;
}
.header-logo{
    display: flex;
    align-items: center;
    flex-shrink: 0;
}
header .header-logo img{
    width: 350px;
    display: block;
    position: absolute;
    top: 0;
}
.pc-nav{
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
    margin-left: auto;
}
.nav-group{
    display: flex;
    align-items: center;
}
.page-nav{
    gap: 38px;
}
.section-nav{
    gap: 26px;
}
.pc-nav a{
    display: block;
    font-weight: 600;
    transition: opacity .2s ease;
}
.page-nav a{
    font-size: 21px;
    border-bottom: 2px solid #000;
}
.section-nav a{
    font-size: 14px;
    letter-spacing: .08em;
    color: #5b5b5b;
}
.pc-nav a:hover{
    opacity: .55;
}
.hamburger,
.mobile-nav{
    display: none;
}
#profile,
#schedule,
#link{
    scroll-margin-top: 120px;
}
.main{
    width: 100%;
    position: relative;
    display: none;
}

.main-text{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 50px;
    width: 60vw;
    text-align: center;
}
.section img{
    width: auto;
    height: 100px;
    display: flex;
    margin: 100px auto 0px;
}
.section .first{
    margin: 200px auto 0px;
}
.profile-container{
    position: relative;
}
.profile-image{
    width: 80%;
    display: flex;
    margin: 50px auto 0px;
}
.character-image {
    width: 40%;
    max-width: 500px;
}
.character {
    width: auto;
    height: 40vw;
    max-height: 900px;
    position: absolute;
    bottom: 2vh;
    right: 15vw;
    opacity: 0;
    transition: opacity 1s ease;
}

.character.active {
    opacity: 1;
}

.schedule-container{
    background-color: #ffb1e1;
    padding: 30px 0px;
    margin-top: 50px;
}
.schejule-tytle{
    font-size: 40px;
    border-bottom: 2px solid #000;
    padding-left: 20px;
}
.st ul{
    margin-bottom: 50px;
}
.sc-thumbnail {
    font-size: 25px;
    margin: 10px 0px 0px;
    padding-left: 20px;
    font-weight: 600;
}
.st-list{
    display: flex;
    gap: 30px;
    width: 90%;
    margin: 50px auto 0px;
}
.st-list li {
    position: relative;
    flex: 1;
}
.st-list li a {
    position: relative;
    display: block;
    overflow: hidden;
    border-radius: 20px;
}

/* 白いフィルター */
.white-filter {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0;
    aspect-ratio: 1;
    border-radius: 50%;
    /* 円の外側を白くする */
    box-shadow: 0 0 0 1000px rgba(255, 255, 255, 0.4);
    transition: width 1s ease;
    z-index: 1;
    pointer-events: none;
}

/* ホバー */
.st-list li a:hover .white-filter {
    width: 150%;
}
.st-list li a:hover .btn {
    width: 110px;
}

/* 再生ボタン */
.st-list li .btn {
    position: absolute;
    top: 50%;
    left: 50%;

    transform: translate(-50%, -50%);

    width: 80px;

    transition: width 0.3s ease;

    z-index: 2;
}
.st-list .bg{
    width: 100%;
    height: auto;
    display: block;
    border-radius: 20px;
}
.st-list p{
    text-align: center;
    font-size: 40px;
}
.st-list .text{
    width: 60vw;
    display: flex;
    margin: 0 auto;
    padding: 50px 0px;
}
.link-list {
    display: flex;
    flex-wrap: wrap;
    column-gap: 50px;
    row-gap: 50px;
    width: 90%;
    margin: 50px auto 100px;
    justify-content: center;
}

ul.link-list li {
    width: 200px;
    background: #f0f8ffc4;
    padding: 20px;
    border-radius: 20px;
}

.link-list img {
    width: 100%;
    display: block;
}

.link-list p {
    text-align: center;
    margin-top: 10px;
    font-weight: 600;
}

@media screen and (max-width: 768px) {
header{
    min-height: 60px;
    height: 60px;
    padding: 0 18px;
}
header .header-logo img{
    width: 160px;
}
.pc-nav{
    display: none;
}
.hamburger{
    width: 42px;
    height: 42px;
    margin-left: auto;
    padding: 9px 7px;
    border: 0;
    background: transparent;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
    z-index: 12;
}
.hamburger span{
    display: block;
    width: 100%;
    height: 3px;
    border-radius: 999px;
    background: #000;
    transition: transform .3s ease, opacity .3s ease;
}
.hamburger.is-open span:nth-child(1){
    transform: translateY(10.5px) rotate(45deg);
}
.hamburger.is-open span:nth-child(2){
    opacity: 0;
}
.hamburger.is-open span:nth-child(3){
    transform: translateY(-10.5px) rotate(-45deg);
}
.mobile-nav{
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    background: rgba(241, 202, 255, .98);
    box-shadow: 0 8px 16px rgba(0,0,0,.12);
    transform: scaleY(0);
    transform-origin: top;
    opacity: 0;
    visibility: hidden;
    transition: transform .3s ease, opacity .2s ease, visibility .3s;
}
.mobile-nav.is-open{
    transform: scaleY(1);
    opacity: 1;
    visibility: visible;
}
.mobile-nav a{
    padding: 16px 24px;
    border-top: 1px solid rgba(0,0,0,.14);
    font-size: 15px;
    font-weight: 600;
    text-align: center;
}
#profile,
#schedule,
#link{
    scroll-margin-top: 75px;
}
.main-text {
    width: 80vw;
}
.section .first {
    margin: 100px auto 0px;
}
.section img {
    height: 50px;
    margin: 50px auto 0px;
}
.profile-image{
    width: 90%;
    margin: 30px auto 0px;
}
.character {
    height: 50vw;
    right: 10vw;
}
.schedule-container {
    margin-top: 30px;
}
.schejule-tytle{
    font-size: 30px;
}
.sc-thumbnail {
    font-size: 20px;
}
.st-list {
    width: 100%;
    flex-direction: column;
}
.st-list li .btn {
    width: 90px;
}
.st-list li a:hover .btn {
    width: 110px;
}
.st ul {
        margin-bottom: 20px;
        flex-direction: column;
        width: 80%;
}
.st-list {
    margin: 30px auto 0px;
}
.st-list .text {
    width: 80vw;
    padding: 30px 0px;
}
.white-filter {
    display: none;
}
.link-list {
    margin: 30px auto 100px;
}
ul.link-list li {
    width: 150px;
    column-gap: 50px;
    row-gap: 30px;
}
.link-list p {
    font-size: 15px;
}
}
@media screen and (max-width: 500px) {
header{
    padding: 0 12px;
}
header .header-logo img{
    width: 135px;
}
.section img{
    height: 50px;
    margin: 30px auto 0px;
}
.st ul {
    width: 70%;
}
.st-list li .btn {
    width: 80px;
}
.schejule-tytle{
    font-size: 25px;
}
.sc-thumbnail {
    font-size: 15px;
}
.st-list .text {
    padding: 10px 0px;
}
.link-list {
    column-gap: 20px;
    row-gap: 20px;
}
ul.link-list li {
    width: 110px;
    padding: 10px;
}
.link-list p {
    font-size: 10px;
}
}