:root {
  --base-white: #ffffff;
  --main-orange: #e67e22; /* 若々しい活力 */
  --accent-gold: #c5a059; /* 伝統と品格 */
  --text-dark: #333333; /* 視認性の高い墨色 */
  --bg-light: #fffaf5; /* 目に優しい薄オレンジ系の白 */
  --content-max-width: 960px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Noto Serif JP", serif;
  color: var(--text-dark);
  background-color: var(--base-white);
  line-height: 1.8;
  overflow-x: hidden;
  /* ご年配の方向けに基本サイズを大きく設定 */
  font-size: 18px;
}

html {
  scroll-padding-top: var(--header-height, 112px);
}

/* メニュー開閉時に背景のスクロールを固定する用 */
body.is-locked {
  overflow: hidden;
}

/* --- ヘッダー --- */
header {
  background-color: var(--base-white);
  padding: 20px;
  border-bottom: 3px solid var(--accent-gold);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transform: translateY(-100%);
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition:
    transform 0.4s ease,
    visibility 0.4s ease,
    opacity 0.4s ease;
}

header.is-visible {
  transform: translateY(0);
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}

header.is-menu-open {
  z-index: 1100;
}

/* ヘッダー内部のレイアウト調整（タイトル中央、ボタン右端） */
.header-inner {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  max-width: var(--content-max-width);
  margin: 0 auto;
}

.site-title {
  text-align: center;
  font-size: 28px;
  letter-spacing: 0.15em;
  color: var(--text-dark);
  font-weight: 700;
}

.site-title span {
  font-family: "Playfair Display", serif;
  display: block;
  font-size: 14px;
  letter-spacing: 0.3em;
  color: var(--accent-gold);
}

/* --- ハンバーガーボタン --- */
.hamburger {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 60px;
  height: 60px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1100; /* メニュー本体より上に配置 */
  outline: none;
}

/* 三本線 */
.hamburger span {
  display: block;
  position: absolute;
  width: 30px;
  height: 3px;
  background-color: var(--accent-gold);
  left: 15px;
  transition: all 0.3s;
}

.hamburger span:nth-child(1) {
  top: 14px;
}
.hamburger span:nth-child(2) {
  top: 24px;
}
.hamburger span:nth-child(3) {
  top: 34px;
}

/* ご年配の方向けの「MENU」テキスト */
.menu-text {
  position: absolute;
  bottom: 4px;
  width: 100%;
  text-align: center;
  font-size: 11px;
  color: var(--accent-gold);
  font-family: "Noto Serif JP", serif;
  font-weight: bold;
  transition: all 0.3s;
}

/* ハンバーガーボタン：アクティブ（×印）状態 */
.hamburger.is-active span:nth-child(1) {
  top: 24px;
  transform: rotate(45deg);
}
.hamburger.is-active span:nth-child(2) {
  opacity: 0;
}
.hamburger.is-active span:nth-child(3) {
  top: 24px;
  transform: rotate(-45deg);
}
.hamburger.is-active .menu-text {
  opacity: 0; /* ×印の時はテキストを消す */
}

@media (max-width: 767px) {
  header {
    padding: max(12px, env(safe-area-inset-top)) 16px 12px;
    overflow: visible;
  }

  .header-inner {
    min-height: 52px;
  }

  .site-title {
    font-size: 24px;
  }

  .site-title span {
    font-size: 12px;
  }

  .hamburger {
    width: 52px;
    height: 52px;
    top: 50%;
    transform: translateY(-50%);
  }

  .hamburger span {
    width: 26px;
    left: 13px;
  }

  .hamburger span:nth-child(1) {
    top: 14px;
  }

  .hamburger span:nth-child(2) {
    top: 23px;
  }

  .hamburger span:nth-child(3) {
    top: 32px;
  }

  .hamburger.is-active span:nth-child(1),
  .hamburger.is-active span:nth-child(3) {
    top: 23px;
  }

  .menu-text {
    bottom: 4px;
    font-size: 10px;
  }

  .global-nav {
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    min-height: 100dvh;
    padding-top: var(--header-height, 80px);
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }

  .nav-close {
    top: calc(var(--header-height, 80px) + 8px);
    right: 16px;
    width: 52px;
    height: 52px;
    font-size: 28px;
  }
}

/* --- グローバルナビゲーション（ドロワーメニュー） --- */
.global-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(255, 255, 255, 0.95);
  z-index: 1050;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}

.global-nav.is-active {
  opacity: 1;
  visibility: visible;
}

.nav-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 60px;
  height: 60px;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--accent-gold);
  font-size: 32px;
  line-height: 1;
  outline: none;
}

.nav-close-label {
  display: block;
  font-family: "Noto Serif JP", serif;
  font-size: 11px;
  font-weight: bold;
  letter-spacing: 0.1em;
  margin-top: 2px;
}

.global-nav ul {
  list-style: none;
  text-align: center;
}

.global-nav li {
  margin-bottom: 18px;
}

.global-nav a {
  font-family: "Noto Serif JP", serif;
  font-size: 24px;
  color: var(--text-dark);
  text-decoration: none;
  font-weight: bold;
  letter-spacing: 0.1em;
  display: block;
  padding: 6px;
}

.global-nav a:hover {
  color: var(--main-orange);
}

/* --- メインビジュアル（レスポンシブ切り替え） --- */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  min-height: 100vh;
  min-height: 100dvh;
  background-color: var(--bg-light);
  overflow: hidden;
}

.hero-title {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 8%;
  z-index: 2;
  display: flex;
  justify-content: center;
  margin: 0;
  padding: 0 24px;
  pointer-events: none;
  opacity: 0;
  filter: blur(14px);
  transform: translateY(-56px);
  animation: hero-title-enter 1.4s ease-out 1s forwards;
}

.hero-title-group {
  position: relative;
  display: inline-block;
  max-width: 100%;
  padding-bottom: clamp(1.5rem, 6.75vw, 3rem);
}

.hero-title-main {
  margin: 0;
  text-align: center;
  font-family: "Noto Serif JP", serif;
  font-size: clamp(3rem, 12vw, 6rem);
  font-weight: 700;
  letter-spacing: 0.4em;
  text-indent: 0.4em;
  line-height: 1.05;
  color: var(--accent-gold);
  -webkit-text-stroke: 0.09em var(--base-white);
  paint-order: stroke fill;
}

.hero-title-sub {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 0.08em);
  margin: 0;
  font-family: "Playfair Display", serif;
  font-size: clamp(1.1rem, 5vw, 2.2rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--accent-gold);
  -webkit-text-stroke: 0.09em var(--base-white);
  paint-order: stroke fill;
}

.hero-title-sub-track {
  display: flex;
  justify-content: space-between;
  width: 100%;
  box-sizing: border-box;
}

@keyframes hero-title-enter {
  to {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
  }
}

@media (min-width: 768px) {
  .hero-title {
    bottom: 12%;
    padding: 0 40px;
  }

  .hero-title-main {
    letter-spacing: 0.5em;
    text-indent: 0.5em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-title {
    animation: none;
    opacity: 1;
    filter: none;
    transform: none;
  }
}

.hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

/* スマホ/PC画像の切り替え */
.hero .img-pc {
  display: none;
}
@media (min-width: 768px) {
  .hero .img-sp {
    display: none;
  }
  .hero .img-pc {
    display: block;
  }
}

/* --- セクション共通 --- */
section {
  padding: 60px 20px;
  max-width: var(--content-max-width);
  margin: 0 auto;
  scroll-margin-top: var(--header-height, 112px);
}

.section-title {
  font-family: "Noto Serif JP", serif;
  font-size: 40px;
  text-align: center;
  color: var(--accent-gold);
  margin-bottom: 40px;
  position: relative;
}

.section-title::after {
  content: "";
  display: block;
  width: 40px;
  height: 2px;
  background: var(--main-orange);
  margin: 10px auto;
}

.section-title span {
  display: block;
  font-family: "Noto Serif JP", serif;
  font-size: 16px;
  color: var(--text-dark);
  letter-spacing: 0.2em;
}

/* --- NEWS --- */
.news-list {
  list-style: none;
}

.news-item {
  padding: 15px 0;
  border-bottom: 1px solid #eee;
}

.news-date {
  color: var(--main-orange);
  font-weight: bold;
  font-size: 16px;
  display: block;
}

/* --- SCHEDULE --- */
.schedule-list {
  list-style: none;
}

.schedule-item {
  border-bottom: 1px solid #eee;
}

.schedule-trigger {
  width: 100%;
  padding: 15px 40px 15px 0;
  border: none;
  background: transparent;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  line-height: inherit;
  position: relative;
}

.schedule-date {
  color: var(--main-orange);
  font-weight: bold;
  font-size: 16px;
  display: block;
}

.schedule-title {
  display: block;
  margin-top: 6px;
  line-height: 1.5;
}

.schedule-ended-note {
  margin: 0;
  padding: 0 0 14px;
  font-size: 14px;
  color: #999;
  line-height: 1.5;
}

.schedule-icon {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent-gold);
  transition: transform 0.3s ease;
}

.schedule-item.is-open .schedule-icon {
  transform: translateY(-50%) rotate(180deg);
}

.schedule-detail {
  padding: 0 0 24px;
  font-size: 16px;
  color: #666;
}

.schedule-detail-inner {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.schedule-flyer {
  margin: 0 auto;
  max-width: 360px;
  width: 100%;
}

.schedule-flyer img {
  display: block;
  max-width: 100%;
  width: auto;
  height: auto;
  margin: 0 auto;
  border-radius: 6px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.schedule-info {
  margin: 0;
  flex: 1;
  min-width: 0;
}

.schedule-info-row {
  display: grid;
  grid-template-columns: 4em 1fr;
  gap: 8px 16px;
  padding: 16px 0;
  border-top: 1px solid #eee;
}

.schedule-info-row:first-child {
  border-top: none;
  padding-top: 0;
}

.schedule-info-row dt {
  margin: 0;
  color: var(--main-orange);
  font-weight: bold;
  font-size: 14px;
  letter-spacing: 0.05em;
}

.schedule-info-row dd {
  margin: 0;
  line-height: 1.7;
}

.schedule-venue-link {
  color: var(--text-dark);
  text-decoration: underline;
  text-decoration-color: var(--accent-gold);
  text-underline-offset: 3px;
}

.schedule-venue-link:hover {
  color: var(--main-orange);
}

.schedule-info-date {
  margin: 0;
  color: var(--text-dark);
  font-weight: bold;
}

.schedule-times {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.schedule-times li + li {
  margin-top: 4px;
}

.schedule-ticket-detail {
  display: inline-block;
  margin-top: 4px;
  color: #666;
  font-size: 0.9em;
  font-weight: normal;
  line-height: 1.6;
}

.schedule-note {
  margin: 8px 0 0;
  color: #666;
  font-size: 0.9em;
  line-height: 1.6;
}

.schedule-note + .schedule-note {
  margin-top: 4px;
}

.schedule-ticket-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.schedule-ticket-links li + li {
  margin-top: 6px;
}

.schedule-performers {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 0;
}

.schedule-performers li {
  line-height: 1.5;
}

.schedule-performers li:not(:last-child)::after {
  content: "/";
  margin: 0 8px;
  color: #ccc;
}

.schedule-detail p + p {
  margin-top: 8px;
}

.schedule-detail[hidden] {
  display: none;
}

.schedule-close {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin: 20px auto 0;
  padding: 6px 18px;
  border: 1px solid #ddd;
  border-radius: 999px;
  background: transparent;
  color: #999;
  font-family: inherit;
  font-size: 13px;
  line-height: 1.4;
  cursor: pointer;
}

.schedule-close i {
  font-size: 11px;
}

.schedule-empty {
  text-align: center;
  color: #aaa;
  font-size: 16px;
  padding: 20px 0;
}

@media (min-width: 768px) {
  .schedule-detail-inner {
    flex-direction: row;
    align-items: flex-start;
    gap: 32px;
  }

  .schedule-flyer {
    flex: 0 0 320px;
    max-width: 320px;
    margin: 0;
  }

  .schedule-close {
    display: none;
  }
}

/* --- SNS --- */
.sns-container {
  max-width: 420px;
  margin: 0 auto;
  border: 2px solid var(--accent-gold);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-light);
}

.sns-links {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sns-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 16px 20px;
  text-decoration: none;
  color: var(--text-dark);
  background: var(--base-white);
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 16px;
}

.sns-btn i {
  margin-right: 8px;
  font-size: 20px;
  color: var(--main-orange);
}

@media (min-width: 768px) {
  .sns-container {
    max-width: none;
  }

  .sns-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
  }

  .sns-btn {
    padding: 15px;
  }
}

/* --- ミュージックビデオ（プレースホルダー） --- */
.mv-placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: #eee;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  border-radius: 8px;
  color: #999;
}

/* --- お問い合わせ（Form Mailer 埋め込み） --- */
.contact-form {
  width: 100%;
  padding: 32px 20px;
  background-color: var(--bg-light);
  border: 1px solid rgba(197, 160, 89, 0.35);
  border-radius: 8px;
}

.contact-form .formmailer-embed {
  width: 100%;
  min-height: 320px;
}

@media (min-width: 768px) {
  .contact-form {
    padding: 40px 32px;
  }

  .contact-form .formmailer-embed {
    min-height: 400px;
  }
}

/* --- ボタン関連 --- */
.btn-large {
  display: block;
  width: 100%;
  padding: 22px;
  background: var(--main-orange);
  color: white;
  text-align: center;
  text-decoration: none;
  font-weight: bold;
  border-radius: 50px;
  margin-top: 20px;
  font-size: 20px;
  box-shadow: 0 4px 15px rgba(230, 126, 34, 0.3);
}

.btn-gold {
  background: var(--accent-gold);
  box-shadow: 0 4px 15px rgba(197, 160, 89, 0.3);
}

/* --- フッター --- */
footer {
  background: #1a1a1a;
  color: #fff;
  text-align: center;
  padding: 40px 20px;
  margin-top: 60px;
}

.footer-logo {
  font-family: "Playfair Display", serif;
  font-size: 24px;
  color: var(--accent-gold);
  margin-bottom: 10px;
}

/* --- スクロールフォーカスアニメーション --- */
.scroll-focus {
  --focus-progress: 0;
  opacity: calc(0.3 + var(--focus-progress) * 0.7);
  filter: blur(calc((1 - var(--focus-progress)) * 10px));
  transform: translateY(calc((1 - var(--focus-progress)) * 32px));
  transition:
    opacity 0.2s ease-out,
    filter 0.2s ease-out,
    transform 0.2s ease-out;
}

@media (prefers-reduced-motion: reduce) {
  .scroll-focus {
    opacity: 1;
    filter: none;
    transform: none;
    transition: none;
  }
}

/* --- トップへ戻るボタン --- */
.pagetop {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 60px;
  height: 60px;
  background-color: var(--base-white);
  border: 2px solid var(--accent-gold);
  border-radius: 50%;
  color: var(--accent-gold);
  cursor: pointer;
  z-index: 900;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  pointer-events: none;
  transition:
    opacity 0.4s ease,
    visibility 0.4s ease,
    transform 0.4s ease;
}

.pagetop.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.pagetop i {
  font-size: 18px;
  line-height: 1;
}

.pagetop-label {
  font-family: "Playfair Display", serif;
  font-size: 10px;
  font-weight: bold;
  letter-spacing: 0.1em;
  margin-top: 2px;
}