@charset "utf-8";

/* -----------------------------------------------------
   基本設定
----------------------------------------------------- */
html {
  scroll-behavior: smooth;
  height: auto;
}

body {
  background-image: url("../img/img_background.jpg");
  background-size: 100%;
  color: #333;
  font-family: 'Noto Sans JP', '游ゴシック体', YuGothic, Meiryo, sans-serif;
  font-size: 15px;
  font-weight: 400;         /* 軽めを基本に */
  line-height: 1.7;
}

/* 全要素の箱モデルを安定化 */
* {
  box-sizing: border-box;
}

/* 改行ありなし */
.br_00 {
  display: none;
}

.br_01 {
  display: block;
}

/* -----------------------------------------------------
   ヘッダー
----------------------------------------------------- */
.header {
  width: 100%;
  background-image: url("../img/img-li-head.png");
  background-repeat: no-repeat;
  background-position: center;
  padding: 10px 0;
  position: fixed;
  top: 0;
  z-index: 1000;
  /* border: 1px dashed #abeffc; */
}

.header-inner {
  width: 95%;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background:rgba(255,255,255,0.7);
  /* border: 1px dashed #abeffc; */
}

.header-logo {
  height: 90px;
  /* border: 1px dashed #abeffc; */
}

/* PCメニュー */
.nav-desktop ul {
  display: flex;
  gap: 20px;
}

.nav-desktop li a {
  padding: 20px 25px;
  text-decoration: none;
  font-size: 16px;
  color: #333;
  background-position: center;
  background-repeat: no-repeat;
}

.nav-desktop li a:hover {
  background-color: rgba(219,226,247,0.4);
  border-radius: 6px;
}

/* アイコン背景 */
.home   { background-image: url("../img/img_cut_tp.png"); }
.intro  { background-image: url("../img/img_cut_sax.png"); }
.recruit{ background-image: url("../img/img_cut_tb.png"); }
.contact{ background-image: url("../img/img_cut_tu.png"); }


/* -----------------------------------------------------
   TOPエリア 
----------------------------------------------------- */
.top-section {
  margin: 120px auto;
  width: 100%;
  height: auto;
  display: flex;
  gap: 20px;
  background-image:url("../img/img_top_left_background.png");
  background-position: left bottom;
  background-repeat: no-repeat;
  /* border: 1px dashed #abeffc; */
}

.top-left {
  flex: 1;
  /* border: 1px dashed #abeffc; */
}

.top-right {
  flex: 1.5;
  background-color: transparent;
  padding: 25px 0;
  overflow: hidden;
  /* border: 1px dashed #abeffc; */
}

/* メインテキスト */
.main-text {
  width: 400px;
  font-size: 16px;
  margin: 50px auto 50px auto;
}

/* Facebook */
.face-head {
  width: 350px;
  margin: 0 auto 20px auto;
  text-align: center;
  font-family: "BIZ UDPGothic";
  font-size: 18px;
  color: #646b90;
  background-image: url("../img/img-li-head.png");
  background-repeat: no-repeat;
  background-position: center;
  /* border: 1px dashed #abeffc; */
}

.facebook {
  width: 400px;
  margin: 0 auto 90px auto;
  background: rgba(219,226,247, 0.9);
  padding: 8px;
  box-shadow: 2px 2px 4px gray;
  /* border: 1px dashed #abeffc; */
}

iframe { width: 100%; }

/* ------------------------------
   Swiper スライダー
------------------------------ */
.swiper {
  width: 100%;
  height: 500px;
  border-radius: 70px 0 0 70px;
  overflow: hidden;
  box-shadow: 2px 2px 8px rgba(0,0,0,0.2);
}

.swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- Swiper 矢印の色確実バージョン --- */
.swiper-button-prev::after,
.swiper-button-next::after {
  color: #ffffff !important;
  text-shadow: 0 0 5px rgba(0,0,0,0.6);
  font-size: 30px;
}

/* --- Swiper 丸の色確実バージョン --- */
.swiper-pagination-bullet {
  background: #ffffff !important;
  opacity: 0.8;
}
.swiper-pagination-bullet-active {
  background: #6D78A1 !important;
}

/* -----------------------------------------------------
   コンテンツ共通
----------------------------------------------------- */
.content {
  width: 90%;
  height:800px;
  margin: 70px auto;
  /* border: 1px dashed #abeffc; */
}

.content-head {
  width: 300px;
  margin: 0 auto 40px;
  text-align: center;
  font-family: "BIZ UDPGothic";
  font-size: 22px;
  font-weight: 700;
  font-style: normal;
  color: #646b90;
  background-image: url("../img/img-li-head.png");
  background-repeat: no-repeat;
  background-position: center;
  letter-spacing: 0.4rem;
  line-height: 2;
  /* border: 1px dashed #abeffc; */
}

.content-bottom {
  display: flex;
  gap: 30px;
  /* border: 1px dashed #abeffc; */
}

.content-left {
  flex: 1;
  margin: auto;
  /* border: 1px dashed #abeffc; */
}

.content-right {
  flex: 1;
  margin: auto;
  /* border: 1px dashed #abeffc; */
}

.content-text {
  width: 500px;
  margin: 50px auto;
  font-size: 16px;
  line-height: 1.9;
}

.content-img {
  width: 80%;
  border-radius: 20px;
}

/* -----------------------------------------------------
   団員募集
----------------------------------------------------- */
.recruit-section {
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1.5;
  font-size: 16px;
  width: 550px;
  margin: 50px auto;
}

.recruit-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 30px;
}

.recruit-item {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 10px;
  margin-bottom: 35px;
}

.bullet {
  width: 16px;
  height: 16px;
  background-color: #6c7aa9; /* ←画像の丸と近い色 */
  border-radius: 50%;
  margin-top: 6px; /* 少し下に揃える */
}

.item-title {
  font-size: 1.1rem;
  font-weight: 700; /* 見出しっぽく太字 */
  margin: 0 0 5px;
}

.item-text {
  grid-column: 2 / 3; /* 見出しとインデント揃える */
  font-size: 1rem;
}

.mail-link {
  color: #1a4ecc;
  text-decoration: underline;
}

.recruit-img {
  width: 90%;
  border-radius: 20px;
}

/* -----------------------------------------------------
   お問い合わせ
----------------------------------------------------- */
.form {
  width: 90%;
  height:1500px;
  margin: 70px auto;
  /* border: 1px dashed #abeffc; */
}

.contact-text {
  text-align: center;
  font-size: 16px;
  margin: 10px auto;
}

.contact-form {
  text-align: center;
  font-size: 16px;
  margin: 0 auto;
  height: 1440px;
}

.contact-mail {
  font-size: 20px;
  color: #1a4ecc;
}

/* -----------------------------------------------------
   フッター
----------------------------------------------------- */
.footer {
  background: #6D78A1;
  color: #fff;
  padding: 30px;
  text-align: center;
}

/* -----------------------------------------------------
   トップへ戻る
----------------------------------------------------- */
.gotop{
    display: block;
    width: 60px;
    height: 60px;
    box-sizing: border-box;
    background: #dbe2f6;
    border: 1px solid #6D78A1;
    padding-top: 30px;
    text-align: center;
    letter-spacing: -1px;
    font-size: 85%;
    text-decoration: none;
    color: #6D78A1;
    opacity: 0.5;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 10000;
}
.gotop::before{
    content: "";
    display: block;
    border-top: 2px solid #6D78A1;
    border-right: 2px solid #6D78A1;
    width: 25%;
    height: 25%;
    top: 25%;
    left: 0;
    right: 0;
    margin: auto;
    position: absolute;
    transform: rotate(-45deg);
}

.gotop:hover {
  opacity: 1;
}

/* -----------------------------------------------------
   レスポンシブ（重要）1350px
----------------------------------------------------- */
@media (max-width: 1350px) {
  
  /* --TOPエリア--------------------------------------- */
  
 .top-section {
  margin: 120px auto;
  width: 100%;
  height: auto;
  display: flex;
  gap: 0;
  background-image:url("../img/img_top_left_background.png");
  background-position: left bottom;
  background-repeat: no-repeat;
  /* border: 1px dashed #abeffc; */
  }

.top-left {
  flex: 1;
  /* border: 1px dashed #abeffc; */
  }

.top-right {
  flex: 1;
  /* border: 1px dashed #abeffc; */
  }
  
  /* メインテキスト */
  .main-text {
  width: 400px;
  font-size: 16px;
  margin: 30px auto 30px auto;
  }
  
  /* スライダー */
  .swiper {
    height: auto !important;
  }
  .swiper-slide img {
    height: auto !important;
  }
  
  /* --楽団紹介--------------------------------------- */
  
  .content {
  width: 90%;
  height:700px;
  margin: 70px auto;
  /* border: 1px dashed #abeffc; */
  }
  
  .content-head {
  width: 300px;
  margin: 20px auto 20px;
  text-align: center;
  font-family: "BIZ UDPGothic";
  font-size: 22px;
  font-weight: 700;
  font-style: normal;
  color: #646b90;
  background-image: url("../img/img-li-head.png");
  background-repeat: no-repeat;
  background-position: center;
  letter-spacing: 0.4rem;
  /* border: 1px dashed #abeffc; */
}
  
  .content-text {
  width: 480px;
  margin: 30px auto;
  font-size: 16px;
  line-height: 1.9;
  }
  
  .content-right {
  flex: 1;
  margin: auto;
  text-align: center;
  /* border: 1px dashed #abeffc; */
  }  
  
  .content-img {
  width: 80%;
  border-radius: 20px;
}
  
  /* --団員募集--------------------------------------- */
  
  .recruit-section {
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1.3;
  font-size: 14px;
  width: 480px;
  margin: 50px auto;
  }

  .recruit-title {
  text-align: center;
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 30px;
  line-height: 1.5;
  }
  
  .bullet {
  width: 16px;
  height: 16px;
  background-color: #6c7aa9; /* ←画像の丸と近い色 */
  border-radius: 50%;
  margin-top: 4px; /* 少し下に揃える */
  }
  
  .item-title {
  font-size: 1rem;
  font-weight: 700; /* 見出しっぽく太字 */
  margin: 0 0 5px;
  }
  
  .item-text {
  grid-column: 2 / 3; /* 見出しとインデント揃える */
  font-size: 1rem;
  line-height: 1.5;
  }
}

/* -----------------------------------------------------
   レスポンシブ（重要）1000px(ダブレット)
----------------------------------------------------- */

@media (max-width: 1000px) {
  
  /* --メニュー--------------------------------------- */
  .nav-desktop ul {
  display: flex;
  gap: 3px;
  }
 
  .nav-desktop li a {
  padding: 22px 15px;
  text-decoration: none;
  font-size: 12px;
  color: #333;
  background-position: center;
  background-repeat: no-repeat;
  }
  
  /* --TOPエリア--------------------------------------- */
  
  .top-section {
  margin: 120px auto;
  width: 90%;
  height: auto;
  gap: 10px;
  display: flex;
  flex-flow: column-reverse;
  /* border: 1px dashed #abeffc; */
  }
  
  .top-left {
  flex: 1;
  background-image:url("../img/img_top_left_background.png");
  background-position: left bottom;
  background-repeat: no-repeat;
  /* border: 1px dashed #abeffc; */
  }

  .top-right {
  flex: 1;
  /* border: 1px dashed #abeffc; */
  }
  
  /* メインテキスト */
  .main-text {
  width: 400px;
  font-size: 16px;
  margin: 30px auto;
  }
  
  /* スライダー */
  .swiper {
  height: auto;
  border-radius: 20px;
  }
  
  /* --コンテンツ--------------------------------------- */
  
  .content {
  width: 90%;
  height:100%;
  margin: 70px auto;
  /* border: 1px dashed #abeffc; */
  }
  
  .content-bottom {
    display: flex;
    flex-direction: column;
    gap: 30px;
  }
  
  .content-img {
  width: 70%;
  border-radius: 20px;
  }
}

/* -----------------------------------------------------
   レスポンシブ（重要）750px（スマホ）
----------------------------------------------------- */

@media (max-width: 750px) {
  
  /* --ヘッダー--------------------------------------- */
  
  .header {
    width: 100%;
    height: 160px;
    background-image: url("../img/img-li-head.png");
    background-repeat: no-repeat;
    background-position: center;
    padding: 10px 0;
    position: fixed;
    top: 0;
    z-index: 1000;
    /* border: 1px dashed #abeffc; */
  }

  .header-inner {
    width: 90%;
    margin: auto;
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: space-between;
    background:rgba(255,255,255,0.7);
    /* border: 1px dashed #abeffc; */
  }

  .header-logo {
    height: 60px;
    /* border: 1px dashed #abeffc; */
  }
  
  /* --メニュー--------------------------------------- */
  
  .nav-desktop {
  margin-top: 30px;
  }
  
  .nav-desktop ul {
  display: flex;
  gap: 20px;
  }

  .nav-desktop li a {
  padding: 20px 15px;
  text-decoration: none;
  font-size: 12px;
  color: #333;
  background-position: center;
  background-repeat: no-repeat;
  }

  .nav-desktop li a:hover {
  background-color: rgba(219,226,247,0.4);
  border-radius: 6px;
  }

   /* --TOPエリア--------------------------------------- */
  
  .top-section {
  margin: 120px auto;
  width: 100%;
  height: auto;
  background-image:url("../img/img_top_left_background.png");
  background-position: left bottom;
  background-repeat: no-repeat;
  gap: 10px;
  display: flex;
  flex-flow: column-reverse;
  /* border: 1px dashed #abeffc; */
}
  
  .top-left {
  flex: 1;
  /* border: 1px dashed #abeffc; */
  }
  
   /* メインテキスト */
  .main-text {
  width: 400px;
  font-size: 14px;
  margin: 5px auto 30px auto;
  text-align-last: center;
}

  /* スライダー */
  .swiper {
    width: 90%;
    height: auto;
    margin-top: 15px;
    border-radius: 12px;
  }
  
  .swiper-slide img {
  width: 100%;
  height: auto;
  object-fit: cover;
  }
  
  /* トップへ戻る */
  .gotop {
    width: 40px;
    height: 40px;
    text-indent: -9999px;
  }
  
  /* --コンテンツ--------------------------------------- */
  
  .content {
  width: 90%;
  height:100%;
  margin: 70px auto;
  /* border: 1px dashed #abeffc; */
  }
  
  .content-head {
  width: 300px;
  margin: 20px auto 20px;
  text-align: center;
  font-family: "BIZ UDPGothic";
  font-size: 22px;
  font-weight: 700;
  font-style: normal;
  color: #646b90;
  background-image: url("../img/img-li-head.png");
  background-repeat: no-repeat;
  background-position: center;
  letter-spacing: 0.4rem;
  line-height: 2;
  /* border: 1px dashed #abeffc; */
}
  
  .content-bottom {
    display: flex;
    flex-direction: column;
    gap: 30px;
  }
  .content-text {
  width: 90%;
  margin: 20px auto;
  font-size: 14px;
  line-height: 1.9;
}
  .content-img {
  width: 85%;
  border-radius: 20px;
  }
  
  /* --団員募集--------------------------------------- */
  
  .recruit-section {
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1;
  font-size: 14px;
  width: 400px;
  margin: 30px auto;
  }

  .recruit-title {
  text-align: center;
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 30px;
  line-height: 1.5;
  }
  
  .bullet {
  width: 16px;
  height: 16px;
  background-color: #6c7aa9; /* ←画像の丸と近い色 */
  border-radius: 50%;
  margin-top: 2px; /* 少し下に揃える */
  }
  
  .item-title {
  font-size: 1rem;
  font-weight: 700; /* 見出しっぽく太字 */
  margin: 0 0 5px;
  }
  
  .item-text {
  grid-column: 2 / 3; /* 見出しとインデント揃える */
  font-size: 1rem;
  line-height: 1.5;
  }
  
  /* 改行ありなし */
  .br_00 {
    display: block;
  }

  .br_01 {
    display: none;
  }
  
  /* --フッター--------------------------------------- */
  .footer {
  background: #6D78A1;
  color: #fff;
  padding: 30px;
  text-align: center;
  font-size: 0.8rem;
}
}