@charset "UTF-8";

/* 共通部分　----------------*/

html{
    font-size: 100%;
    text-size-adjust: none;
}

body{
    font-family: "YuGothic", "游ゴシック体", "Yu Gothic", "游ゴシック","HiraKakuProN-W6", "ヒラギノ角ゴ ProN W3", sans-serif;
    line-height: 1.7;
    color: #FDE6C6;
    background-color: #423956;
}
a{
    text-decoration: none;
    display: block;
}
img{
    max-width: 100%;
}
video{
    max-width: 100%;
}

#introVideo{
    filter: brightness(1.04) contrast(1.08) saturate(0.90) hue-rotate(2deg);
}

.parisienne {
  font-family: "Parisienne", cursive;
  font-weight: 400;
  font-style: normal;
}


p {
  font-family: "M PLUS 1", sans-serif;
  font-optical-sizing: auto;
  font-weight: weight;
  font-style: normal;
  font-size: 1rem;    
}

h1,
h2,
h3,
h4,
h5 {
  font-family: "Zen Antique", serif;
  font-weight: 400;
  font-style: normal;
}

h1{
    font-size: 2.5rem;
}
h2{
    font-size: 2rem;
}
h3{
    font-size: 1.5rem;
}
h4{
    font-size: 1.2rem;
}




#fallbackImage {
    aspect-ratio: 16/9;
    object-fit: contain;
}

.teket{
    background-color: #2E3551;
    height: 60px;
    margin-top: 0;
    margin-bottom: 15px;
    border-radius: 20px; 
}

.wrapper{
    margin: 20px 4%; 
    padding: 20px 6%;
}


section{
    scroll-margin-top: 100px;
}

.space{
    min-height: 80px;
}


/* header */
header a{
    color: #FDE6C6;
}

header a:hover{
    color: #c9669d;
}


#fixed-header {
  position: fixed;
  top: -80px;            /* 最初は画面外に隠す */
  left: 0;
  width: 100%;
  height: 80px;
  background: #423956;
  box-shadow: none;
  transition: top 0.8s ease; /* スライドして出てくる */
  z-index: 999;
}

#fixed-header.show {
  top: 0; /* 出てくる位置 */
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

header div{
    margin: 0 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-nav ul{
    display: flex;
    list-style: none;
}

.main-nav ul li{
    padding-left: 20px;
}

.main-nav ul li a{
    width: fit-content;
    padding: 5px;
    margin: 5px;
}

/* menu */
/* 共通スタイル（PCでは非表示） */
.hamburger {
  display: none;
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
}

/* 線の基本 */
.hamburger span {
  display: block;
  width: 26px;
  height: 3px;
  background: #FDE6C6;
  border-radius: 2px;
  transition: transform 0.35s cubic-bezier(.2,.8,.2,1), opacity 0.25s ease;
  transform-origin: center;
}


/* スマホのみ */
@media (max-width: 1000px) {

  /* ハンバーガー表示 */
  .hamburger {
    display: inline-flex;
    flex-direction: column;
    gap: 6px;
  }

  /* メニューは初期で非表示 */
    .main-nav {
        opacity: 0;
        transform: translateY(-10px);
        pointer-events: none;

        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: #423956;
        box-shadow: 0 8px 18px rgba(0,0,0,0.12);
        padding: 20px;

        transition: opacity 0.4s ease, transform 0.4s ease;
        visibility: hidden;
}

    .main-nav.active {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
        visibility: visible;
    }

  
    .main-nav ul{
        display: block
    }
    
    .main-nav ul li{
        margin: 20px 20px 0 20px;
    }

  /* アニメーション状態（open クラスが付いたとき） */
  .hamburger.open span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }
  .hamburger.open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0.2);
  }
  .hamburger.open span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }

  /* 見た目微調整（タップ領域） */
  .hamburger {
    -webkit-tap-highlight-color: transparent;
  }
}



/* メインページ　*/

.concertinfo{
    background-color: #dde5e0;
    color: #423956;
}

.mainprogram{
    font-size: 1.7rem;
}

.maincomposer{
    font-size: 1.2rem
}

.subprogram{
    font-size: 1.5rem;
}

.subcomposer{
    font-size: 1.0rem;
}

.entryinfo{
    background-color: #81bdbb;
    color: #423956; 
}

.entryinfo h4{
    padding: 0;
    margin: 0;
}



/* btn */

.btn a{
    display: block;
    background-color: #423956;
    padding: 20px;
    border-radius: 30px;
    width: fit-content;
    color: #FDE6C6;
}

.btn a:hover{
    transform: scale(1.05);
    color: #c9669d;
    transition-duration: 300ms;
}

/* news */
.slider{
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    margin: 0;
}

.slider::-webkit-scrollbar{
    display: none;
}

.paper{
    display: flex;   
    gap: 0;
    padding: 60px 40px;
    margin: 10px;
    scrollbar-width: none;
    
    background: #FDE6C6;
    /*border: 5px solid #775e46; */
        box-shadow:
    inset 0 0 18px #775e46,           /* 深い縁の影 */
    inset 0 0 32px rgba(119,94,70,0.6), /* さらに濃い影 */
    inset 0 0 48px rgba(119,94,70,0.35);
    
    filter: sepia(0.05) hue-rotate(-15deg) contrast(0.9);
}


.slideritem{
    margin: 35px 0;
    padding: 0;
    background-repeat: no-repeat;
    background-size: cover;
}

.newstitle{
    position: absolute;
    font-size: 4rem;
    font-weight: bold;
    top: -4rem;
    left: 30px;
    color: black;
    text-shadow: 1px 1px 1px rgba(31, 13, 0, 0.62)
}

.gakufu1{
    display: block;
    position: relative;
    background-image: url(images/gakufu1.png);
    min-width: 400px;
    margin-left: 35px; 
}

.gakufu2{
    display: block;
    background-image: url(images/gakufu2.png);
    padding: 0 30px;
}

.gakufu3{
    display: block;
    background-image: url(images/gakufu3.png);
    min-width: 400px;
    margin-right: 35px;
}

/* footer */

footer a{
    color: #FDE6C6;
}

footer a:hover{
    color: #c9669d;
}

.footer1{
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sitemap{
    list-style: none;
    padding: 0 40px 0 0;
}

.sitemap a{
    color: #FDE6C6;
    width: fit-content;
    padding: 5px;
    margin: 5px;
}

.sitemap a:hover{
    color:#c9669d;
}

/* sns */

.sns-btn{
    display: flex;
    list-style: none;
    margin:  0 ;
    padding: 0 ;
}

.sns-btn li{
    width: 80px;
    height: 45px;
    margin: 15px;
    padding: 0;
    border-radius: 50px
}

.sns-btn img{
    display: block;
    margin: 0 auto;
    height: 25px;
}

.instagram{
    background-color: #f00075;
}

.X{
    background-color: #000000;
}


.sns-btn li:hover{
    transform: scale(1.1);
    transition-duration: 300ms;
}

.sns-btn li a{
    display: block;
    padding: 10px;
}

@media(max-width:700px){
    .footer1{
        display: block;
    }
}

@media(min-width:769px){
    .sp{
        display: none;
    }
}