/* ========================================================================
   佐倉男声合唱団 - Pattern B : コンサートクラシック
   配色: ネイビー + クリーム + ゴールド / プログラムノート風
   AA: 本文22px / コントラスト 4.5:1 以上
   ======================================================================== */

:root {
  --c-navy: #142944;
  --c-navy-deep: #0c1c2f;
  --c-cream: #faf6ee;
  --c-cream-deep: #ede4d3;
  --c-gold: #b8853a;
  --c-gold-bright: #d6a44a;
  --c-text: #1f2a3c;
  --c-text-soft: #4a5468;
  --c-line: #d8c9a8;
  --c-focus: #ffd166;
  --shadow-md: 0 8px 24px rgba(20, 41, 68, .14);
  --shadow-sm: 0 3px 8px rgba(20, 41, 68, .10);
  --maxw: 1080px;
  --fs-base: 1.375rem;
  --fs-lead: 1.5rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; scroll-padding-top: 96px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  font-family: "Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", sans-serif;
  font-size: var(--fs-base);
  line-height: 1.85;
  color: var(--c-text);
  background: var(--c-cream);
  -webkit-font-smoothing: antialiased;
  line-break: strict;
}

/* serif 用フォントスタック（タイトル等） */
.font-serif { font-family: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", serif; }

a { color: var(--c-navy); text-underline-offset: 4px; }
a:hover { color: var(--c-gold); }
:focus-visible {
  outline: 3px solid var(--c-focus);
  outline-offset: 3px;
  border-radius: 4px;
}

img { max-width: 100%; height: auto; display: block; }

.skip-link {
  position: absolute; top: -100px; left: 8px;
  background: var(--c-navy); color: #fff;
  padding: 12px 20px; border-radius: 4px;
  font-size: 1.125rem; z-index: 1000;
}
.skip-link:focus { top: 8px; }

/* ── ヘッダー ──────────────────────────────────────── */
.site-header {
  background: var(--c-navy);
  color: #fff;
  position: sticky;
  top: 0; z-index: 50;
  border-bottom: 3px solid var(--c-gold);
}
.site-header__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.brand {
  display: flex; align-items: center; gap: 14px;
  text-decoration: none; color: #fff;
  flex-shrink: 0;
}
.brand__logo {
  width: 60px; height: auto;
  display: block;
  flex-shrink: 0;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,.25);
}
.brand__name {
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: .05em;
  line-height: 1.2;
  display: block;
}
.brand__sub {
  display: block;
  font-size: .75rem;
  color: var(--c-gold-bright);
  letter-spacing: .2em;
  margin-top: 4px;
}

.nav-toggle {
  margin-left: auto;
  width: 64px; height: 64px;
  border: 1px solid var(--c-gold);
  background: transparent;
  color: var(--c-gold);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 6px;
  flex-shrink: 0;
}
.nav-toggle__lines {
  position: relative;
  display: block;
  width: 26px;
  height: 18px;
}
.nav-toggle__lines::before,
.nav-toggle__lines::after,
.nav-toggle__lines i {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--c-gold);
  transition: transform .25s ease, top .25s ease, opacity .2s ease;
}
.nav-toggle__lines::before { top: 0; }
.nav-toggle__lines i      { top: 50%; transform: translateY(-50%); }
.nav-toggle__lines::after  { top: calc(100% - 2px); }

.nav-toggle[aria-expanded="true"] .nav-toggle__lines::before { top: 50%; transform: translateY(-50%) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__lines i { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__lines::after  { top: 50%; transform: translateY(-50%) rotate(-45deg); }

.nav-toggle__label {
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .15em;
  line-height: 1;
  white-space: nowrap;
}

.global-nav {
  overflow: hidden;
  max-height: 0;
  background: var(--c-navy-deep);
  border-top: 1px solid transparent;
  transition: max-height .3s ease, border-color .3s ease;
}
.global-nav[data-open="true"] {
  max-height: 720px;
  border-top-color: rgba(216, 201, 168, .2);
}
@media (prefers-reduced-motion: reduce) {
  .global-nav, .nav-toggle__lines::before, .nav-toggle__lines::after, .nav-toggle__lines i { transition: none; }
}
.global-nav ul {
  list-style: none; margin: 0; padding: 8px 12px 16px;
  max-width: var(--maxw); margin-left: auto; margin-right: auto;
  display: grid; gap: 2px;
}
.global-nav a {
  display: block; padding: 18px 20px;
  font-size: 1.125rem; font-weight: 500;
  color: var(--c-cream);
  text-decoration: none;
  border-left: 3px solid transparent;
  min-height: 48px;
}
.global-nav a:hover, .global-nav a[aria-current="page"] {
  background: rgba(216, 164, 74, .15);
  border-left-color: var(--c-gold);
  color: #fff;
}

@media (min-width: 980px) {
  .nav-toggle { display: none; }
  .global-nav {
    overflow: visible;
    max-height: none;
    background: transparent;
    border: none;
    margin-left: auto;
  }
  .global-nav ul {
    padding: 0;
    gap: 0;
    display: flex;
    flex-wrap: nowrap;
  }
  .global-nav a {
    border-left: none;
    border-bottom: 2px solid transparent;
    padding: 10px 10px;
    font-size: .875rem;
    color: rgba(255,255,255,.85);
    white-space: nowrap;
    min-height: 44px;
  }
  .global-nav a:hover, .global-nav a[aria-current="page"] {
    background: transparent;
    border-bottom-color: var(--c-gold);
    color: var(--c-gold-bright);
  }
}

/* ── ヒーロー ──────────────────────────────────────── */
.hero {
  position: relative;
  background: var(--c-navy);
  color: var(--c-cream);
  padding: 80px 20px 96px;
  overflow: hidden;
  text-align: center;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../shared/images/image89.jpg");
  background-size: cover;
  background-position: center;
  opacity: .22;
  filter: saturate(.6) blur(1px);
}
.hero__inner {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}
.hero__overline {
  font-family: "Cormorant Garamond", "Times New Roman", serif;
  font-style: italic;
  font-size: 1.125rem;
  color: var(--c-gold-bright);
  letter-spacing: .3em;
  margin-bottom: 16px;
}
.hero__title {
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-size: clamp(2.25rem, 8vw, 3.5rem);
  font-weight: 600;
  margin: 0 0 8px;
  letter-spacing: .12em;
  line-height: 1.3;
}
.hero__title-en {
  display: block;
  font-family: "Cormorant Garamond", serif;
  font-size: 1rem;
  letter-spacing: .4em;
  margin-bottom: 28px;
  color: var(--c-gold-bright);
}
.hero__lead {
  font-size: var(--fs-lead);
  line-height: 2;
  margin: 0 auto 36px;
  color: var(--c-cream);
}
.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 60px;
  padding: 18px 40px;
  font-size: 1.1875rem;
  font-weight: 600;
  background: var(--c-gold);
  color: var(--c-navy-deep);
  text-decoration: none;
  border: 2px solid var(--c-gold);
  letter-spacing: .1em;
}
.hero__cta:hover { background: var(--c-gold-bright); color: var(--c-navy-deep); }

/* ── 共通セクション ────────────────────────────────── */
section { padding: 72px 20px; }
.container { max-width: var(--maxw); margin: 0 auto; }

.section-overline {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  text-align: center;
  font-size: 1rem;
  letter-spacing: .35em;
  color: var(--c-gold);
  margin: 0 0 8px;
}
.section-title {
  font-family: "Hiragino Mincho ProN", serif;
  font-size: clamp(1.75rem, 5vw, 2.25rem);
  font-weight: 500;
  text-align: center;
  margin: 0 0 40px;
  letter-spacing: .15em;
  position: relative;
  padding-bottom: 20px;
}
.section-title::after {
  content: "";
  display: block;
  width: 48px; height: 2px;
  background: var(--c-gold);
  margin: 20px auto 0;
}

/* ── お知らせ ──────────────────────────────────── */
.notice {
  background: var(--c-cream-deep);
}
.notice-card {
  background: #fff;
  padding: 40px 28px;
  border: 1px solid var(--c-line);
  position: relative;
  box-shadow: var(--shadow-md);
}
.notice-card::before {
  content: "PROGRAMME";
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--c-navy);
  color: var(--c-gold-bright);
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  letter-spacing: .25em;
  padding: 6px 24px;
  font-size: .875rem;
}
.notice-card h3 {
  font-family: "Hiragino Mincho ProN", serif;
  font-size: 1.5rem;
  font-weight: 600;
  text-align: center;
  margin: 8px 0 24px;
  line-height: 1.5;
  letter-spacing: .08em;
}
.notice-card dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px 24px;
  font-size: 1.125rem;
  margin: 0;
  max-width: 600px;
  margin: 0 auto;
}
.notice-card dt {
  color: var(--c-gold);
  font-weight: 600;
  letter-spacing: .15em;
  font-size: .9375rem;
}
.notice-card dd { margin: 0; }

/* ── プロフィール ─────────────────────────────────── */
.about {
  display: grid;
  gap: 32px;
}
.about__photo {
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.about__photo::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(255,255,255,.5);
  pointer-events: none;
}
.about__body p { margin: 0 0 20px; line-height: 2; }
.about__body p.font-serif { font-size: 1.5rem; line-height: 1.9; color: var(--c-navy); }
@media (min-width: 760px) { .about { grid-template-columns: 1fr 1.2fr; align-items: center; } }

/* ── 演奏会 ───────────────────────────────────── */
.programs {
  background: var(--c-navy);
  color: var(--c-cream);
}
.programs .section-title { color: var(--c-cream); }
.programs .section-title::after { background: var(--c-gold); }
.programs .section-overline { color: var(--c-gold-bright); }

.program-list {
  display: grid;
  gap: 24px;
}
.program-item {
  background: rgba(255,255,255,.06);
  border-left: 4px solid var(--c-gold);
  padding: 28px 28px;
  display: grid;
  gap: 8px;
}
.program-item__no {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  color: var(--c-gold-bright);
  font-size: 1rem;
  letter-spacing: .25em;
}
.program-item__title {
  font-family: "Hiragino Mincho ProN", serif;
  font-size: 1.375rem;
  margin: 0;
  letter-spacing: .05em;
}
.program-item__meta {
  font-size: 1.0625rem;
  color: var(--c-gold-bright);
}
.program-item__note {
  font-size: 1rem;
  color: rgba(250, 246, 238, .85);
}

/* ── アーカイブ ───────────────────────────────────── */
.archive-grid {
  display: grid;
  gap: 24px;
}
@media (min-width: 720px) { .archive-grid { grid-template-columns: 1fr 1fr; } }
.archive-card {
  background: #fff;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--c-line);
}
.archive-card a {
  display: block;
  text-decoration: none;
  color: var(--c-text);
}
.archive-card__thumb {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--c-navy);
  overflow: hidden;
}
.archive-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.archive-card__thumb::after {
  content: "▶ 動画を見る";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 1.125rem;
  background: rgba(20, 41, 68, .55);
  letter-spacing: .15em;
  opacity: 0;
  transition: opacity .2s;
}
.archive-card a:hover .archive-card__thumb::after,
.archive-card a:focus-visible .archive-card__thumb::after { opacity: 1; }
.archive-card__body { padding: 20px 24px 24px; }
.archive-card__title { font-family: "Hiragino Mincho ProN", serif; font-size: 1.1875rem; margin: 0 0 4px; line-height: 1.5; }
.archive-card__meta { font-size: 1rem; color: var(--c-text-soft); margin: 0; }

/* ── 募集ティーザー ─────────────────────────────────── */
.recruit-teaser {
  text-align: center;
  background: var(--c-cream-deep);
  border-top: 1px solid var(--c-line);
}
.recruit-teaser p {
  font-family: "Hiragino Mincho ProN", serif;
  font-size: 1.5rem;
  margin: 0 auto 32px;
  max-width: 640px;
  line-height: 2;
  color: var(--c-navy);
}

/* ── フッター ──────────────────────────────────────── */
.site-footer {
  background: var(--c-navy-deep);
  color: var(--c-cream);
  padding: 48px 20px 32px;
  border-top: 4px solid var(--c-gold);
}
.site-footer a { color: var(--c-gold-bright); }
.site-footer__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  gap: 28px;
}
.site-footer__brand {
  font-family: "Hiragino Mincho ProN", serif;
  font-size: 1.375rem;
  letter-spacing: .12em;
  margin: 0 0 8px;
}
.site-footer__brand-en {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  color: var(--c-gold-bright);
  font-size: .9375rem;
  letter-spacing: .25em;
  display: block;
}
.site-footer__contact dl { margin: 0; }
.site-footer__contact dt { color: var(--c-gold-bright); font-weight: 500; margin-top: 12px; letter-spacing: .15em; font-size: .9375rem; }
.site-footer__contact dd { margin: 4px 0 0; font-size: 1.125rem; }
.site-footer__copy {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-size: .875rem;
  color: var(--c-line);
  padding-top: 24px;
  border-top: 1px solid rgba(216, 201, 168, .2);
  letter-spacing: .15em;
}
@media (min-width: 720px) { .site-footer__inner { grid-template-columns: 1fr 1fr; } .site-footer__copy { grid-column: 1 / -1; } }

/* ── 募集ページ ──────────────────────────── */
.page-hero {
  background: var(--c-navy);
  color: var(--c-cream);
  padding: 64px 20px 56px;
  text-align: center;
  border-bottom: 3px solid var(--c-gold);
}
.page-hero h1 {
  font-family: "Hiragino Mincho ProN", serif;
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 500;
  margin: 8px 0 0;
  letter-spacing: .15em;
}
.page-hero .section-overline { color: var(--c-gold-bright); margin-bottom: 0; }

.lead-text {
  font-family: "Hiragino Mincho ProN", serif;
  font-size: 1.375rem;
  line-height: 2;
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
  color: var(--c-navy);
}

.detail-list {
  border-top: 1px solid var(--c-line);
  margin: 0;
}
.detail-list > div {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 24px 0;
  border-bottom: 1px solid var(--c-line);
}
.detail-list dt {
  font-weight: 600;
  color: var(--c-gold);
  letter-spacing: .25em;
  font-size: .9375rem;
}
.detail-list dd { margin: 0; font-size: 1.25rem; line-height: 1.7; }
@media (min-width: 720px) {
  .detail-list > div { grid-template-columns: 220px 1fr; gap: 32px; align-items: baseline; }
  .detail-list dt { font-size: 1rem; }
}

.steps {
  list-style: none;
  padding: 0;
  margin: 32px 0;
  display: grid;
  gap: 16px;
  counter-reset: step;
}
.steps li {
  background: #fff;
  border: 1px solid var(--c-line);
  padding: 28px 28px 28px 92px;
  position: relative;
  font-size: 1.125rem;
  line-height: 1.85;
  box-shadow: var(--shadow-sm);
}
.steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 24px; top: 26px;
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border: 2px solid var(--c-gold);
  color: var(--c-gold);
  font-family: "Cormorant Garamond", serif;
  font-size: 1.375rem;
}
.steps li strong {
  display: block;
  font-family: "Hiragino Mincho ProN", serif;
  font-size: 1.25rem;
  margin-bottom: 6px;
  color: var(--c-navy);
}

.contact-buttons {
  display: grid;
  gap: 16px;
  margin: 32px 0;
}
.contact-buttons a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 28px;
  background: var(--c-navy);
  color: var(--c-cream);
  text-decoration: none;
  min-height: 72px;
  border: 2px solid var(--c-gold);
}
.contact-buttons a:hover { background: var(--c-gold); color: var(--c-navy-deep); }
.contact-buttons strong {
  display: block;
  font-family: "Hiragino Mincho ProN", serif;
  font-size: 1.375rem;
  letter-spacing: .08em;
}
.contact-buttons .num {
  font-family: "Cormorant Garamond", serif;
  font-size: 1.5rem;
  letter-spacing: .05em;
  color: var(--c-gold-bright);
}
.contact-buttons a:hover .num { color: var(--c-navy-deep); }
@media (min-width: 720px) { .contact-buttons { grid-template-columns: 1fr 1fr; } }

.faq dt {
  font-family: "Hiragino Mincho ProN", serif;
  font-size: 1.1875rem;
  font-weight: 600;
  color: var(--c-navy);
  padding: 20px 0 4px;
}
.faq dd { margin: 0 0 20px; padding-bottom: 20px; border-bottom: 1px solid var(--c-line); font-size: 1.0625rem; line-height: 1.85; }

.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  padding: 14px 24px;
  text-decoration: none;
  color: var(--c-navy);
  border: 1px solid var(--c-navy);
  background: transparent;
  font-family: "Hiragino Mincho ProN", serif;
  letter-spacing: .1em;
}
.back-to-top:hover { background: var(--c-navy); color: var(--c-cream); }

/* ── ユーティリティ ───────────────────────────────── */
.mt-56 { margin-top: 56px; }
.voices-meta { font-size: 1rem; color: var(--c-text-soft); }
.note-soft { font-size: 1rem; color: var(--c-text-soft); }
.role-en {
  font-size: .875rem;
  letter-spacing: .2em;
  color: var(--c-gold-bright);
}
.footer-info-text { margin-top: 12px; }