/* =========================================================
   かながわコネクトオーケストラ  Stylesheet
   Colors: Ivory / Navy / Soft Gold
   ========================================================= */

:root {
  --color-ivory: #faf7ef;
  --color-ivory-deep: #f2ecdf;
  --color-navy: #1c2a48;
  --color-navy-soft: #34456a;
  --color-gold: #c2a66b;
  --color-gold-text: #806328; /* 白・アイボリー背景で読める濃さのゴールド */
  --color-gold-soft: #e6d7b3;
  --color-text: #232a38;
  --color-text-muted: #545c6c;
  --color-white: #ffffff;
  --color-focus: #1f5fbf;

  --font-serif: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --font-sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
  --font-latin: "Cormorant Garamond", "Times New Roman", var(--font-serif);

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  --container: 68rem;
  --container-narrow: 46rem;
  --gutter: 1.25rem;
  --radius: 8px;
  --header-height: 64px;
  --shadow: 0 1px 2px rgba(28, 42, 72, 0.04), 0 8px 24px rgba(28, 42, 72, 0.05);
}

/* ---------- Base ---------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-height) + 1rem);
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  background: var(--color-ivory);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.9;
  letter-spacing: 0.03em;
  overflow-wrap: anywhere;
}

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

a {
  color: var(--color-navy);
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--color-navy-soft);
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: 2px;
}

main:focus {
  outline: none;
}

h1,
h2,
h3 {
  font-family: var(--font-serif);
  color: var(--color-navy);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.06em;
  margin: 0 0 var(--space-sm);
  text-wrap: balance;
  word-break: auto-phrase;
}

p {
  margin: 0 0 var(--space-sm);
}

p:last-child {
  margin-bottom: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

strong {
  color: var(--color-navy);
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 1000;
  padding: 0.75rem 1rem;
  background: var(--color-navy);
  color: var(--color-white);
  border-radius: var(--radius);
}

.skip-link:focus {
  top: 1rem;
  color: var(--color-white);
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow {
  max-width: var(--container-narrow);
}

/* ---------- Utilities ---------- */

.text-center {
  text-align: center;
}

.small {
  font-size: 0.875rem;
}

.muted {
  color: var(--color-text-muted);
}

.note {
  margin-top: var(--space-sm);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.u-mt-md {
  margin-top: var(--space-md);
}

.u-mt-lg {
  margin-top: var(--space-lg);
}

/* PCでのみ改行する <br class="u-pc"> */
.u-pc {
  display: none;
}

@media (min-width: 768px) {
  .u-pc {
    display: inline;
  }
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 247, 239, 0.97);
  border-bottom: 1px solid var(--color-gold-soft);
}

@supports (backdrop-filter: blur(8px)) {
  .site-header {
    background: rgba(250, 247, 239, 0.88);
    backdrop-filter: blur(8px);
  }
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: 0.75rem;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-width: 0;
  text-decoration: none;
  color: var(--color-navy);
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(0.85rem, 3.6vw, 0.95rem);
  letter-spacing: 0.06em;
  line-height: 1.3;
}

.site-logo__mark {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 50%;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--color-navy);
}

.nav-toggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* 1つ目の span はスクリーンリーダー用ラベルのため、バーは 2〜4 番目 */
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-of-type(2) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-of-type(3) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-of-type(4) {
  transform: translateY(-7px) rotate(-45deg);
}

.global-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  max-height: calc(100vh - var(--header-height));
  overflow-y: auto;
  background: var(--color-ivory);
  border-bottom: 1px solid var(--color-gold-soft);
  box-shadow: 0 12px 24px rgba(28, 42, 72, 0.08);
}

.global-nav.is-open {
  display: block;
}

/* JS無効時はナビを常に表示 */
.no-js .global-nav {
  display: block;
  position: static;
  box-shadow: none;
}

.no-js .nav-toggle {
  display: none;
}

.no-js .site-header__inner {
  flex-wrap: wrap;
}

.global-nav__list {
  list-style: none;
  padding: 0.5rem var(--gutter) 1.25rem;
}

.global-nav__list a {
  display: block;
  padding: 0.85rem 0.25rem;
  text-decoration: none;
  color: var(--color-navy);
  border-bottom: 1px solid var(--color-ivory-deep);
}

.global-nav__list a[aria-current="page"] {
  font-weight: 700;
  box-shadow: inset 3px 0 0 var(--color-gold);
  padding-left: 0.9rem;
}

@media (min-width: 1000px) {
  .nav-toggle {
    display: none;
  }

  .global-nav,
  .no-js .global-nav {
    display: block;
    position: static;
    max-height: none;
    overflow: visible;
    background: transparent;
    border: 0;
    box-shadow: none;
  }

  .global-nav__list {
    display: flex;
    gap: 0.25rem;
    padding: 0;
  }

  .global-nav__list a {
    border: 0;
    padding: 0.5rem 0.7rem;
    font-size: 0.875rem;
    border-radius: var(--radius);
  }

  .global-nav__list a:hover {
    background: var(--color-ivory-deep);
  }

  .global-nav__list a[aria-current="page"] {
    box-shadow: inset 0 -2px 0 var(--color-gold);
    padding-left: 0.7rem;
    border-radius: 0;
  }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 52px;
  padding: 0.8rem 1.75rem;
  border-radius: 999px;
  border: 1px solid var(--color-navy);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-align: center;
  line-height: 1.4;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn--primary {
  background: var(--color-navy);
  color: var(--color-white);
}

.btn--primary:hover {
  background: var(--color-navy-soft);
  border-color: var(--color-navy-soft);
  color: var(--color-white);
}

.btn--outline {
  background: transparent;
  color: var(--color-navy);
}

.btn--outline:hover {
  background: var(--color-navy);
  color: var(--color-white);
}

.btn--gold {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-navy);
}

.btn--gold:hover {
  background: var(--color-gold-soft);
  border-color: var(--color-gold-soft);
  color: var(--color-navy);
}

.btn--outline-light {
  background: transparent;
  border-color: var(--color-ivory);
  color: var(--color-ivory);
}

.btn--outline-light:hover {
  background: var(--color-ivory);
  color: var(--color-navy);
}

.icon {
  width: 1.15em;
  height: 1.15em;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.btn-group {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  max-width: 22rem;
  margin-inline: auto;
}

@media (min-width: 600px) {
  .btn-group {
    flex-direction: row;
    flex-wrap: wrap;
    max-width: none;
  }
}

.btn-group--center {
  justify-content: center;
}

* + .btn-group {
  margin-top: var(--space-md);
}

/* ---------- Badges / status ---------- */

.badge {
  display: inline-block;
  padding: 0.1rem 0.7rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.7;
  vertical-align: 0.1em;
  white-space: nowrap;
}

.badge--gold {
  background: var(--color-navy);
  color: var(--color-gold-soft);
}

.badge--planned {
  border: 1px solid var(--color-gold);
  color: var(--color-gold-text);
  background: var(--color-white);
}

.status--tbd {
  color: var(--color-text-muted);
}

.status--tbd::before {
  content: "";
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  margin-right: 0.5rem;
  border-radius: 50%;
  background: var(--color-gold);
  vertical-align: 0.1em;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding: var(--space-lg) 0 var(--space-xl);
  text-align: center;
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero {
    padding: var(--space-xl) 0 var(--space-2xl);
  }
}

.hero__lines {
  position: absolute;
  inset: auto 0 1.5rem 0;
  width: 100%;
  height: 120px;
  color: var(--color-gold);
  opacity: 0.4;
  pointer-events: none;
}

.hero__lines path {
  fill: none;
  stroke: currentColor;
  stroke-width: 1;
}

.hero__inner {
  position: relative;
}

.hero__logo {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-sm);
  border-radius: 50%;
  box-shadow: 0 0 0 1px var(--color-gold-soft);
}

@media (min-width: 768px) {
  .hero__logo {
    width: 96px;
    height: 96px;
    margin-bottom: var(--space-md);
  }
}

.hero__name {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  color: var(--color-navy-soft);
  margin-bottom: var(--space-sm);
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--color-gold);
}

.hero__title {
  font-size: clamp(1.75rem, 7.6vw, 3.25rem);
  line-height: 1.45;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
}

.hero__title span {
  display: inline-block;
}

.hero__lead {
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 4.2vw, 1.3rem);
  color: var(--color-navy-soft);
  letter-spacing: 0.12em;
  margin-bottom: var(--space-md);
}

.hero__desc {
  font-size: 0.95rem;
  line-height: 1.85;
  max-width: 36rem;
  margin: 0 auto var(--space-sm);
  word-break: auto-phrase;
}

.hero__status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.35rem 0.6rem;
  font-size: 0.85rem;
  color: var(--color-navy);
  margin-bottom: 0;
}

/* ---------- Page header (sub pages) ---------- */

.page-header {
  padding: var(--space-xl) 0 var(--space-lg);
  text-align: center;
  border-bottom: 1px solid var(--color-gold-soft);
  background: linear-gradient(180deg, var(--color-ivory-deep) 0%, var(--color-ivory) 100%);
}

.page-header__en {
  display: block;
  font-family: var(--font-latin);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  color: var(--color-gold-text);
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.page-header__title {
  font-size: clamp(1.6rem, 6vw, 2.25rem);
  margin: 0;
}

.page-header__lead {
  font-family: var(--font-serif);
  color: var(--color-navy-soft);
  margin: var(--space-sm) 0 0;
  letter-spacing: 0.06em;
  word-break: auto-phrase;
}

/* ---------- Breadcrumb ---------- */

.breadcrumb {
  font-size: 0.8rem;
  padding-block: 0.75rem;
  color: var(--color-text-muted);
}

.breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 0.25rem;
  color: var(--color-gold-text);
}

/* ---------- Sections ---------- */

.section {
  padding: var(--space-xl) 0;
}

@media (min-width: 768px) {
  .section {
    padding: var(--space-2xl) 0;
  }
}

.section--tinted {
  background: var(--color-ivory-deep);
}

.section--navy {
  background: var(--color-navy);
  color: var(--color-ivory);
}

.section--navy :is(h2, h3, .lead, strong) {
  color: var(--color-ivory);
}

.section--navy .section-title__en,
.section--navy .muted {
  color: var(--color-gold-soft);
}

.section--navy a:not(.btn) {
  color: var(--color-gold-soft);
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-title__en {
  display: block;
  font-family: var(--font-latin);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  color: var(--color-gold-text);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.section-title h2 {
  font-size: clamp(1.4rem, 5.4vw, 2rem);
  margin: 0;
}

.section-title::after {
  content: "";
  display: block;
  width: 40px;
  height: 1px;
  margin: 1.25rem auto 0;
  background: var(--color-gold);
}

.lead {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 4.4vw, 1.35rem);
  font-weight: 500;
  line-height: 2;
  color: var(--color-navy);
  text-align: center;
  letter-spacing: 0.06em;
  word-break: auto-phrase;
  margin-bottom: var(--space-md);
}

.section-more {
  margin-top: var(--space-lg);
  text-align: center;
}

.concept-lines {
  list-style: none;
  font-family: var(--font-serif);
  text-align: center;
  font-size: clamp(1.05rem, 4.2vw, 1.3rem);
  line-height: 2.3;
  color: var(--color-navy);
  letter-spacing: 0.12em;
  margin: var(--space-md) 0;
}

.concept-lines li:last-child {
  font-weight: 600;
}

/* ---------- Grid & cards ---------- */

.grid-2 {
  display: grid;
  gap: var(--space-sm);
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }
}

.card {
  background: var(--color-white);
  border: 1px solid var(--color-gold-soft);
  border-radius: var(--radius);
  padding: var(--space-md) 1.25rem;
  box-shadow: var(--shadow);
}

@media (min-width: 768px) {
  .card {
    padding: var(--space-md) var(--space-lg);
  }
}

.card__eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-gold-text);
  margin-bottom: 0.25rem;
}

.card__title {
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--color-gold-soft);
}

.card--audience {
  border-top: 3px solid var(--color-gold);
}

.card--audience .card__title {
  font-size: 1.25rem;
}

/* ---------- Chips / stages ---------- */

.chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin: var(--space-md) 0;
}

.chips li {
  padding: 0.3rem 0.9rem;
  border: 1px solid var(--color-gold);
  border-radius: 999px;
  background: var(--color-white);
  color: var(--color-navy);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.stages {
  list-style: none;
  display: grid;
  gap: 0.75rem;
  margin: var(--space-md) 0;
}

@media (min-width: 768px) {
  .stages {
    grid-template-columns: repeat(3, 1fr);
  }
}

.stages li {
  display: grid;
  place-items: center;
  font-family: var(--font-serif);
  text-align: center;
  padding: 1rem;
  border: 1px solid var(--color-gold);
  border-radius: var(--radius);
  background: var(--color-white);
  color: var(--color-navy);
  letter-spacing: 0.04em;
}

/* ---------- Values ---------- */

.values {
  list-style: none;
  display: grid;
  gap: 1rem;
}

@media (min-width: 600px) {
  .values {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  /* 3列 + 2列（中央寄せ）で並べる */
  .values {
    grid-template-columns: repeat(6, 1fr);
  }

  .values .value-card {
    grid-column: span 2;
  }

  .values .value-card:nth-child(4) {
    grid-column: 2 / span 2;
  }
}

.value-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--color-white);
  border: 1px solid var(--color-gold-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.value-card__num {
  flex-shrink: 0;
  font-family: var(--font-latin);
  font-size: 1.1rem;
  color: var(--color-gold-text);
  line-height: 1.5;
}

.value-card__title {
  font-size: 1.05rem;
  margin: 0;
}

.value-card__text {
  margin: 0.35rem 0 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* ---------- Concert feature ---------- */

.concert-feature {
  text-align: center;
  word-break: auto-phrase;
}

.concert-feature__lead {
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 4.2vw, 1.3rem);
  line-height: 2;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-lg);
}

.concert-feature__program {
  border-top: 1px solid var(--color-gold);
  border-bottom: 1px solid var(--color-gold);
  padding: var(--space-lg) 0;
  margin-bottom: var(--space-lg);
}

.concert-feature__tag {
  font-family: var(--font-latin);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-xs);
}

.concert-feature__composer {
  font-family: var(--font-latin);
  font-size: clamp(1.3rem, 5.5vw, 1.9rem);
  letter-spacing: 0.08em;
  color: var(--color-gold-soft);
  margin: 0;
  line-height: 1.4;
}

.concert-feature__work {
  font-family: var(--font-latin);
  font-size: clamp(2.4rem, 11vw, 4.25rem);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-ivory);
  margin: 0 0 var(--space-sm);
  line-height: 1.2;
}

.concert-feature__ja {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  letter-spacing: 0.06em;
}

/* ---------- Program list ---------- */

.program-list {
  list-style: none;
  margin-top: var(--space-md);
  border-top: 1px solid var(--color-gold-soft);
}

.program-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.25rem 1rem;
  padding: 1rem 0.75rem;
  border-bottom: 1px solid var(--color-gold-soft);
}

.program-list__part {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--color-navy);
}

.program-list__detail {
  font-size: 0.9rem;
}

.program-list__main {
  background: var(--color-white);
}

.program-list__main .program-list__detail {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--color-navy);
}

/* ---------- Info list (dl) ---------- */

.info-list {
  margin: 0;
  border-top: 1px solid var(--color-gold-soft);
}

.info-list__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.15rem;
  padding: 1rem 0.25rem;
  border-bottom: 1px solid var(--color-gold-soft);
}

@media (min-width: 600px) {
  .info-list__row {
    grid-template-columns: 9.5rem 1fr;
    gap: 1rem;
  }
}

.info-list dt {
  font-weight: 700;
  color: var(--color-navy);
  font-size: 0.9rem;
}

.info-list dd {
  margin: 0;
}

/* ---------- Instruments ---------- */

.instrument-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-top: var(--space-md);
}

@media (min-width: 768px) {
  .instrument-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
  }
}

.instrument-card {
  background: var(--color-white);
  border: 1px solid var(--color-gold-soft);
  border-radius: var(--radius);
  padding: 1rem 0.75rem;
  text-align: center;
}

.instrument-card__title {
  font-size: 1rem;
  padding-bottom: 0.5rem;
  margin-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-gold-soft);
}

.instrument-card ul {
  list-style: none;
  font-size: 0.92rem;
  line-height: 2;
}

/* ---------- Lists ---------- */

.check-list,
.dash-list {
  list-style: none;
}

.check-list li,
.dash-list li {
  position: relative;
  padding: 0.35rem 0 0.35rem 1.75rem;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0.15rem;
  top: 0.95rem;
  width: 0.9rem;
  height: 0.45rem;
  border-left: 2px solid var(--color-gold);
  border-bottom: 2px solid var(--color-gold);
  transform: rotate(-45deg);
}

.dash-list li::before {
  content: "";
  position: absolute;
  left: 0.2rem;
  top: 1.3rem;
  width: 0.7rem;
  border-top: 2px solid var(--color-gold);
}

/* ---------- Steps ---------- */

.steps {
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 1rem;
}

.steps li {
  counter-increment: step;
  position: relative;
  padding: 1.25rem 1.25rem 1.25rem 4rem;
  background: var(--color-white);
  border: 1px solid var(--color-gold-soft);
  border-radius: var(--radius);
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 1.25rem;
  top: 1.2rem;
  width: 1.9rem;
  height: 1.9rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--color-navy);
  color: var(--color-ivory);
  font-family: var(--font-serif);
  font-size: 0.9rem;
}

.steps__title {
  display: block;
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--color-navy);
}

.steps__text {
  display: block;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-top: 0.2rem;
}

/* ---------- Accordion (FAQ / rules) ---------- */

.accordion {
  border-top: 1px solid var(--color-gold-soft);
  margin-top: var(--space-md);
}

.accordion details {
  border-bottom: 1px solid var(--color-gold-soft);
}

.accordion summary {
  cursor: pointer;
  list-style: none;
  padding: 1.1rem 2.5rem 1.1rem 0.25rem;
  position: relative;
  font-weight: 700;
  color: var(--color-navy);
}

.accordion summary::-webkit-details-marker {
  display: none;
}

.accordion summary::after {
  content: "+";
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--color-gold-text);
}

.accordion details[open] summary::after {
  content: "−";
}

.accordion__body {
  padding: 0 0.25rem 1.25rem;
}

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  gap: var(--space-sm);
}

@media (min-width: 900px) {
  .contact-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }

  .contact-grid .card {
    padding: var(--space-md) 1.5rem;
  }
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.contact-card .card__title {
  align-self: stretch;
}

.contact-card > p:not(.card__eyebrow) {
  flex-grow: 1;
}

.contact-card .btn,
.contact-card__link {
  margin-top: var(--space-sm);
}

.contact-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  font-weight: 700;
  word-break: normal;
}

/* ---------- CTA band ---------- */

.cta-band {
  text-align: center;
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--color-navy);
  color: var(--color-ivory);
  padding: var(--space-xl) 0 var(--space-lg);
  font-size: 0.875rem;
}

.site-footer a {
  color: var(--color-ivory);
}

.site-footer__top {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .site-footer__top {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.site-footer__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.site-footer__brand img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
}

.site-footer__concept {
  color: var(--color-gold-soft);
  font-family: var(--font-serif);
  letter-spacing: 0.1em;
  margin: 0.75rem 0 0.25rem;
}

.site-footer__desc {
  color: var(--color-gold-soft);
  font-size: 0.8rem;
}

.footer-nav ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 1rem;
}

.footer-nav a {
  display: inline-block;
  padding: 0.45rem 0;
  text-decoration: none;
}

.footer-nav a:hover {
  text-decoration: underline;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.5rem;
  margin-top: var(--space-md);
}

.site-footer__join {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.4rem 1.25rem;
  border: 1px solid var(--color-gold);
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}

.site-footer__join:hover {
  background: var(--color-gold);
  color: var(--color-navy);
}

.site-footer__sns {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  text-decoration: none;
}

.site-footer__sns:hover span {
  text-decoration: underline;
}

.site-footer__copy {
  margin: var(--space-md) 0 0;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(230, 215, 179, 0.3);
  font-size: 0.75rem;
  color: var(--color-gold-soft);
}

/* ---------- Reveal animation ---------- */

@media (prefers-reduced-motion: no-preference) {
  .js .reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }

  .js .reveal.is-visible {
    opacity: 1;
    transform: none;
  }
}

@media print {
  .site-header,
  .site-footer,
  .nav-toggle {
    display: none;
  }
}

/* =========================================================
   曲目候補の募集（suggest.html）
   ========================================================= */

.badge--open {
  background: var(--color-navy);
  color: var(--color-white);
}

.quote-list {
  list-style: none;
  margin: var(--space-md) 0;
  text-align: center;
  font-family: var(--font-serif);
  font-size: clamp(1rem, 4vw, 1.15rem);
  color: var(--color-navy);
  line-height: 2.1;
  word-break: auto-phrase;
}

.notice-box {
  margin-top: var(--space-lg);
  padding: var(--space-md) 1.25rem;
  border-left: 3px solid var(--color-gold);
  background: var(--color-white);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.92rem;
}

.notice-box__title {
  font-size: 1rem;
  margin-bottom: var(--space-xs);
}

/* ---------- Form ---------- */

.form {
  display: grid;
  gap: var(--space-md);
}

.field {
  margin: 0;
  padding: 0;
  border: 0;
  min-width: 0;
}

.field > label,
.field > legend,
.song-block > legend {
  display: block;
  padding: 0;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 0.35rem;
}

.req,
.opt {
  display: inline-block;
  margin-left: 0.5rem;
  padding: 0 0.5rem;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.7;
  vertical-align: 0.1em;
}

.req {
  background: var(--color-navy);
  color: var(--color-white);
}

.opt {
  border: 1px solid var(--color-gold-soft);
  color: var(--color-text-muted);
}

.field__hint {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0.4rem;
  line-height: 1.7;
}

.form input[type="text"],
.form input[type="email"],
.form textarea {
  display: block;
  width: 100%;
  min-height: 48px;
  padding: 0.7rem 0.9rem;
  font: inherit;
  font-size: 1rem; /* iOS で入力時に拡大されないよう 16px 以上 */
  color: var(--color-text);
  background: var(--color-ivory);
  border: 1px solid #b9ae95;
  border-radius: var(--radius);
}

.form textarea {
  resize: vertical;
  line-height: 1.7;
}

.form input:focus-visible,
.form textarea:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 1px;
  background: var(--color-white);
}

.form [aria-invalid="true"] {
  border-color: #b3261e;
  border-width: 2px;
}

.field__error {
  margin: 0.35rem 0 0;
  color: #b3261e;
  font-size: 0.875rem;
  font-weight: 700;
}

.choices {
  display: grid;
  gap: 0.5rem;
}

@media (min-width: 600px) {
  .choices--grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.choice {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 48px;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--color-gold-soft);
  border-radius: var(--radius);
  background: var(--color-ivory);
  cursor: pointer;
  line-height: 1.5;
}

.choice:hover {
  border-color: var(--color-gold);
}

.choice input {
  flex-shrink: 0;
  width: 1.2rem;
  height: 1.2rem;
  margin: 0;
  accent-color: var(--color-navy);
}

.choice:has(input:checked) {
  border-color: var(--color-navy);
  background: var(--color-white);
  box-shadow: inset 0 0 0 1px var(--color-navy);
}

.song-block {
  display: grid;
  gap: var(--space-sm);
  margin: 0;
  padding: var(--space-sm) 1rem var(--space-md);
  border: 1px solid var(--color-gold);
  border-top-width: 3px;
  border-radius: var(--radius);
  background: var(--color-white);
  min-width: 0;
}

.song-block[hidden] {
  display: none;
}

.song-block > legend {
  padding: 0 0.4rem;
  font-family: var(--font-serif);
  font-size: 1.05rem;
}

.hp {
  position: absolute !important;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-error-summary {
  padding: var(--space-sm) 1.25rem;
  border: 2px solid #b3261e;
  border-radius: var(--radius);
  background: #fdf3f2;
}

.form-error-summary[hidden] {
  display: none;
}

.form-error-summary__title {
  font-weight: 700;
  color: #b3261e;
  margin-bottom: 0.25rem;
}

.form-error-summary ul {
  padding-left: 1.25rem;
}

.form-error-summary a {
  color: #b3261e;
}

.form-privacy {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.form-actions {
  text-align: center;
}

.form-actions .btn {
  width: 100%;
  max-width: 22rem;
}

.form-actions .btn[disabled] {
  opacity: 0.6;
  cursor: progress;
}

.form-status {
  margin-top: var(--space-xs);
  font-size: 0.9rem;
}

.form-status.is-error,
.admin-status.is-error {
  color: #b3261e;
  font-weight: 700;
}

.form-alert {
  padding: var(--space-sm);
  border: 1px solid var(--color-gold);
  background: var(--color-white);
  border-radius: var(--radius);
}

.thanks {
  text-align: center;
  border-top: 3px solid var(--color-gold);
}

.thanks:focus {
  outline: none;
}

.thanks__mark {
  font-size: 2rem;
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.thanks__title {
  font-size: clamp(1.2rem, 4.8vw, 1.5rem);
  word-break: auto-phrase;
}

/* =========================================================
   曲目候補の管理画面（admin.html）
   ========================================================= */

.page-header--compact {
  padding: var(--space-lg) 0 var(--space-md);
}

.btn--sm {
  min-height: 40px;
  padding: 0.4rem 1rem;
  font-size: 0.85rem;
}

.admin-gate {
  max-width: 36rem;
  margin-inline: auto;
  text-align: center;
}

.admin-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.admin-toolbar__user {
  margin: 0;
  font-size: 0.9rem;
}

.admin-toolbar__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-sm);
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 44px;
  padding: 0.4rem 1rem;
  border: 1px solid var(--color-gold);
  border-radius: 999px;
  background: var(--color-white);
  color: var(--color-navy);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
}

.filter-btn[aria-pressed="true"] {
  background: var(--color-navy);
  border-color: var(--color-navy);
  color: var(--color-white);
}

.filter-btn__count {
  min-width: 1.6em;
  padding: 0 0.4em;
  border-radius: 999px;
  background: var(--color-ivory-deep);
  color: var(--color-navy);
  font-size: 0.8rem;
  text-align: center;
}

.admin-count {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.table-wrap {
  position: relative; /* 表内の visually-hidden 要素がページ幅を広げないように */
  overflow-x: auto;
  border: 1px solid var(--color-gold-soft);
  border-radius: var(--radius);
  background: var(--color-white);
}

.admin-table {
  width: 100%;
  min-width: 860px;
  border-collapse: collapse;
  font-size: 0.9rem;
  line-height: 1.6;
}

.admin-table th,
.admin-table td {
  padding: 0.75rem 0.8rem;
  border-bottom: 1px solid var(--color-ivory-deep);
  text-align: left;
  vertical-align: top;
}

.admin-table th {
  background: var(--color-ivory-deep);
  color: var(--color-navy);
  white-space: nowrap;
}

.admin-table__cat,
.admin-table__date {
  white-space: nowrap;
}

.admin-table td:last-child,
.admin-table th:last-child {
  width: 1%;
  padding-right: 1rem;
  white-space: nowrap;
}

.admin-table__title {
  min-width: 10rem;
  font-weight: 700;
  color: var(--color-navy);
}

.admin-table__composer {
  min-width: 9rem;
}

.admin-table td a {
  white-space: nowrap;
}

.admin-table__reason {
  min-width: 12rem;
  white-space: pre-wrap;
}

.admin-table__name,
.admin-table__meta {
  display: block;
}

.admin-table__meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.admin-table__delete {
  white-space: nowrap;
  min-height: 36px;
  padding: 0.2rem 0.75rem;
  border: 1px solid #b3261e;
  border-radius: 999px;
  background: transparent;
  color: #b3261e;
  font: inherit;
  font-size: 0.8rem;
  cursor: pointer;
}

.admin-table__delete:hover {
  background: #b3261e;
  color: var(--color-white);
}

.admin-status {
  margin-top: var(--space-sm);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}