@charset "UTF-8";
* {
  box-sizing: border-box;
}
body,
h1,
h2,
h3,
h4,
p,
ul,
ol,
dl,
dt,
dd,
figure {
  margin: 0;
  padding: 0;
}
body {
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: #333;
}
body.is-active {
  overflow: hidden;
  height: 100%;
}
body.menu-open {
  overflow: hidden;
  touch-action: none;
}
a {
  color: #333;
}
p {
  color: #333;
  font-size: 16px;
  font-weight: 400;
}

@media (max-width: 768px) {
  br.pc {
    display: none;
  }
}

/* ==============================================
   header
   ============================================== */

header {
  background-color: #fff;
  text-align: center;
}
.header-logo {
  width: 160px;
  font-size: 0;
}

/* ==============================================
   ナビゲーション
   ============================================== */
.sticky-header {
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  height: 60px;
  background: #1f3a52;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
  box-sizing: border-box;
}
.menu-trigger {
  display: block;
  position: relative;
  width: 30px;
  height: 24px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 2100;
  padding: 0;
}
.menu-trigger span {
  display: block;
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: #30abda;
  transition: all 0.4s;
  border-radius: 2px;
}
.menu-trigger span:nth-of-type(1) {
  top: 0;
}
.menu-trigger span:nth-of-type(2) {
  top: 11px;
}
.menu-trigger span:nth-of-type(3) {
  bottom: 0;
}
.menu-trigger.is-active span:nth-of-type(1) {
  transform: translateY(11px) rotate(-45deg);
}
.menu-trigger.is-active span:nth-of-type(2) {
  opacity: 0;
}
.menu-trigger.is-active span:nth-of-type(3) {
  transform: translateY(-11px) rotate(45deg);
}
.global-nav {
  font-weight: bold;
}
.global-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.global-nav a {
  text-decoration: none;
  display: block;
  color: #fff;
  padding: 20px;
  text-align: center;
}
.global-nav.is-active {
  right: 0;
}

@media (max-width: 1024px) {
  .global-nav {
    font-size: 18px;
    position: fixed;
    top: 60px;
    right: -100%;
    width: 100%;
    height: calc(100vh - 60px);
    background: #1f3a52;
    z-index: 1999;
    transition: right 0.3s ease-in-out;
    overflow-y: auto;
  }
}
@media (min-width: 1025px) {
  .sticky-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding-left: max(20px, calc(50% - 600px));
    padding-right: max(20px, calc(50% - 600px));
    box-sizing: border-box;
  }
  .menu-trigger {
    display: none;
  }
  .header-logo {
    display: block;
    margin-right: 20px;
  }
  .global-nav ul {
    display: flex;
  }
  .global-nav a {
    padding: 15px 25px;
    position: relative;
  }
  .global-nav a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: #fff;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.3s ease;
  }
  .global-nav a:hover::after {
    transform: scaleX(1);
  }
  .global-nav a.current {
    color: #e67e22;
  }
}

/* ==============================================
   ビギナーズクラブとは
   ============================================== */
section {
  overflow: hidden;
}
img {
  max-width: 100%;
  height: auto;
}
#mainvisual {
  background: #30abda;
}
#mainvisual-inst .inner {
  margin: 0 auto;
  position: relative;
  z-index: 1;
  height: 40vh;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
#mainvisual-inst .top {
  background-image: url("/p/event/beginners-club/img/bn-title.png");
}
#mainvisual-inst .gtbs {
  background-image: url("/p/event/beginners-club/img/bn-title-gtbs.jpg");
}
#mainvisual-inst .uk {
  background-image: url("/p/event/beginners-club/img/bn-title-uk.jpg");
}
#mainvisual-inst .dtm {
  background-image: url("/p/event/beginners-club/img/bn-title-dtm.jpg");
}
#mainvisual-inst .dj {
  background-image: url("/p/event/beginners-club/img/bn-title-dj.jpg");
}
#mainvisual-inst .wind {
  background-image: url("/p/event/beginners-club/img/bn-title-wind.jpg");
}
#mainvisual-inst .string {
  background-image: url("/p/event/beginners-club/img/bn-title-string.jpg");
}
#mainvisual-inst p {
  width: 100%;
  color: #fff;
  text-align: center;
  font-size: 24px;
  font-weight: bold;
  padding: 10px;
  background: rgba(76, 219, 181, 0.8);
  margin: 0;
  position: absolute;
  bottom: 0;
  left: 0;
}
.first-section {
  margin: 50px 20px 60px;
}
.first-section-inst {
  margin-bottom: 60px;
}
.first-section h2,
.content h2,
.join h2 {
  font-size: 22px;
  color: #1f3a52;
  text-align: center;
  margin-bottom: 30px;
  position: relative;
}
.first-section h2::after,
.content h2::after,
.join h2::after {
  content: "";
  display: block;
  width: 100px;
  height: 3px;
  background: #e67e22;
  margin: 15px auto 0;
}

@media (min-width: 769px) {
  #mainvisual-inst .inner {
    height: 50vh;
  }
  #mainvisual-inst p {
    font-size: 28px;
    padding: 10px 0;
  }
  .first-section {
    max-width: 1140px;
    margin: 60px auto;
    padding: 0 20px;
  }
  .first-section-inst {
    padding: 0 20px;
  }
  .first-section p {
    text-align: center;
  }
  .first-section h2,
  .content h2,
  .join h2 {
    font-size: 28px;
    margin-bottom: 50px;
  }
}

/* ==============================================
   ビギナーズクラブの内容
   ============================================== */
.content {
  background: #eef9fc;
  padding: 60px 0;
}
.content-inner {
  padding: 0 20px;
}
.content h3 {
  color: #1f3a52;
  text-align: center;
  margin-bottom: 15px;
  font-size: 17.5px;
}
.content .violin {
  font-size: 14px;
}
.detail {
  margin-bottom: 50px;
}
.support-inner p {
  margin-top: 10px;
  text-align: left;
}
.info-inner p {
  margin-bottom: 50px;
}

@media (max-width: 768px) {
  .content h2 {
    font-size: 20px;
  }
  .content h3 {
    font-size: 18px;
  }
  .support-inner:nth-child(-n + 2),
  .info-inner:nth-child(1) {
    margin-bottom: 60px;
  }
}
@media (min-width: 769px) {
  .content {
    padding: 60px 20px;
  }
  .content-inner {
    max-width: 1140px;
    margin: 0 auto;
  }
  .detail {
    text-align: center;
  }
  .support {
    display: flex;
    justify-content: space-between;
  }
  .support-inner {
    width: 31%;
  }
}

/* ==============================================
   参加方法
   ============================================== */
.join {
  margin: 0 20px;
  padding: 60px 0 70px;
}
.join h2 {
  font-size: 22px;
}
.button-container,
.button-container-inst {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  width: 100%;
}
.orange-btn {
  color: #fff;
  background: #e67e22;
  border-radius: 50px;
  text-decoration: none;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 500;
}
.orange-btn:hover {
  background: #eb984e;
  text-decoration: none;
}

@media (min-width: 769px) {
  .join {
    max-width: 1140px;
    margin: 0 auto;
  }
  .button-container {
    margin: 0 auto;
    padding: 0 20px;
    grid-template-columns: repeat(6, 1fr);
  }
  .button-container-inst {
    margin: 0 auto;
    padding: 0 20px;
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ==============================================
   音楽サークル・音楽教室
   ============================================== */
.info-btn {
  width: 70%;
  margin: 0 auto;
}

@media (min-width: 769px) {
  .info {
    display: flex;
    justify-content: space-between;
  }
  .info-inner {
    width: 45%;
  }
}

/* ==============================================
   footer                          
   ============================================== */
footer {
  background: #e8e8e8;
  position: relative;
  padding: 30px 0;
}
footer .inner {
  margin: 0 20px;
  line-height: 1.6em;
}
footer p {
  font-size: 13px;
}
footer .copyright {
  margin-right: 20px;
}

@media (min-width: 769px) {
  footer .inner {
    max-width: 1140px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    align-items: center;
  }
}