/* ベビTAM — FigmaからのHTML/CSS書き出し。外部フレームワーク不要。 */
@font-face { font-family: "Noto Sans JP"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/noto-sans-jp-regular.ttf") format("truetype"); }
@font-face { font-family: "Noto Sans JP"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/noto-sans-jp-medium.ttf") format("truetype"); }
@font-face { font-family: "Noto Sans JP"; font-style: normal; font-weight: 700; font-display: swap; src: url("../fonts/noto-sans-jp-bold.ttf") format("truetype"); }
@font-face { font-family: "Zen Maru Gothic"; font-style: normal; font-weight: 700; font-display: swap; src: url("../fonts/zen-maru-gothic-bold.ttf") format("truetype"); }

:root {
  color-scheme: light;
  --color-bg-primary: #fff;
  --color-bg-subtle: #fdf5f8;
  --color-text-primary: #4e5559;
  --color-text-secondary: #5f666a;
  --color-text-brand: #a93469;
  --color-action-primary-default: #b83e72;
  --color-action-disabled: #dcdedf;
  --color-border-subtle: #eeeeef;
  --color-status-info: #527a94;
  --font-body: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --font-heading: "Zen Maru Gothic", "Noto Sans JP", "Hiragino Maru Gothic ProN", sans-serif;
  --page-gutter: clamp(24px, 6.944444vw, 100px);
  --content-width: 1240px;
}
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; background: var(--color-bg-primary); color: var(--color-text-primary); font-family: var(--font-body); font-size: 16px; font-weight: 400; line-height: 1.7; overflow-wrap: anywhere; }
h1, h2, h3, p, dl, dd { margin: 0; }
h1, h2, h3 { font-family: var(--font-heading); font-weight: 700; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: .2em; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--color-status-info); outline-offset: 5px; }
img { display: block; }
button { font: inherit; }
.container { width: 100%; max-width: calc(var(--content-width) + var(--page-gutter) * 2); margin-inline: auto; padding-inline: var(--page-gutter); }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 16px; top: -100px; z-index: 10; background: white; padding: 12px 20px; color: var(--color-text-brand); }
.skip-link:focus { top: 16px; }
.site-header { height: 80px; box-shadow: inset 0 -1px var(--color-border-subtle); }
.site-header .container { display: flex; height: 100%; align-items: center; }
.site-logo, .site-logo img { width: 286px; height: 64px; }
.site-logo { display: block; flex-shrink: 0; }
.site-logo img { object-fit: contain; }
.site-footer { padding-block: 64px 40px; box-shadow: inset 0 1px var(--color-border-subtle); color: var(--color-text-secondary); text-align: center; }
.site-footer p { font-size: 12px; line-height: 14px; }
.eyebrow { color: var(--color-action-primary-default); font-size: 14px; font-weight: 700; line-height: 17px; }
.eyebrow--dot { display: flex; align-items: center; gap: 8px; }
.eyebrow--dot::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.button { display: inline-flex; align-items: center; justify-content: center; width: 188px; min-height: 56px; padding: 12px; border: 0; border-radius: 999px; background: var(--color-action-primary-default); color: #fff; font-size: 16px; font-weight: 500; line-height: 24px; text-align: center; }
.button:hover { background: var(--color-text-brand); text-decoration: none; }
.button:disabled, .button:disabled:hover { background: var(--color-action-disabled); color: var(--color-text-secondary); cursor: not-allowed; }
.breadcrumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; color: var(--color-text-brand); font-size: 14px; line-height: 17px; }
.breadcrumbs .separator { color: var(--color-text-secondary); }

/* トップページ */
.emergency-banner { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 64px; padding: 16px 24px; background: #fee2e2; box-shadow: inset 0 -1px #fca5a5; }
.emergency-content { display: flex; align-items: center; gap: 12px; color: #991b1b; font-size: 14px; font-weight: 700; line-height: 22px; }
.emergency-content img { flex-shrink: 0; }
.alert-close { display: flex; flex: 0 0 32px; height: 32px; justify-content: center; align-items: center; border-radius: 50%; background: #fff; color: #dc2626; font-size: 18px; font-weight: 700; line-height: 22px; cursor: pointer; }
#dismiss-alert:checked + .emergency-banner { display: none; }
#dismiss-alert:focus-visible + .emergency-banner .alert-close { outline: 3px solid #991b1b; outline-offset: 4px; }
.home-hero { position: relative; height: 600px; overflow: hidden; opacity: .7; }
.home-hero__image, .home-hero::after { position: absolute; inset: 0; width: 100%; height: 100%; }
.home-hero__image { object-fit: cover; }
.home-hero::after { content: ""; background: linear-gradient(to right, rgba(252,245,247,.85) 0%, rgba(252,245,247,.75) 40%, rgba(252,245,247,0) 75%); }
.home-hero .container { position: relative; z-index: 1; height: 100%; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: 16px; padding-block: 80px 100px; }
.home-hero h1 { font-size: 44px; line-height: 64px; }
.home-hero__intro { width: 656px; max-width: 100%; color: var(--color-text-secondary); font-size: 18px; line-height: 22px; }
.home-news { display: flex; flex-direction: column; gap: 32px; padding-block: 80px; }
.center-heading { text-align: center; }
.center-heading .eyebrow { margin-bottom: 8px; }
.center-heading h2 { font-size: 28px; line-height: 41px; }
.news-list { box-shadow: 0 -1px var(--color-border-subtle); }
.news-row { display: flex; align-items: center; gap: 24px; padding-block: 20px; box-shadow: inset 0 -1px var(--color-border-subtle); }
.news-date { flex: 0 0 100px; font-size: 14px; font-weight: 500; line-height: 17px; color: var(--color-text-secondary); }
.news-tag { flex-shrink: 0; padding: 4px 12px; border-radius: 6px; box-shadow: inset 0 0 0 1px var(--color-border-subtle); background: var(--color-bg-subtle); color: var(--color-action-primary-default); font-size: 12px; font-weight: 700; line-height: 14px; }
.news-tag--notice { color: #e11d48; background: #fff5f0; box-shadow: inset 0 0 0 1px #fee2e2; }
.news-title { flex: 1; min-width: 0; font-size: 15px; font-weight: 500; line-height: 18px; }
.news-new { flex-shrink: 0; padding: 2px 6px; border-radius: 4px; background: var(--color-action-primary-default); color: #fff; font-size: 10px; font-weight: 700; line-height: 12px; }
.news-archive { padding-top: 8px; text-align: right; font-size: 15px; font-weight: 700; line-height: 18px; color: var(--color-action-primary-default); }
.news-archive a { text-decoration: underline; text-underline-offset: .15em; }
.sns-section { padding-block: 64px; background: var(--color-bg-subtle); }
.sns-icons { display: flex; justify-content: center; gap: 24px; margin-top: 24px; }

/* イベント一覧 */
.events-page { min-height: 1024px; }
.events-hero { padding-block: 48px; background: var(--color-bg-subtle); }
.events-hero .breadcrumbs { margin-bottom: 16px; }
.events-hero h1 { font-size: 36px; line-height: 50px; }
.events-hero p { margin-top: 12px; color: var(--color-text-secondary); font-size: 16px; line-height: 26px; }
.events-list { padding-block: 80px; }
.events-heading { margin-bottom: 48px; }
.event-feature { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; padding: 28px 32px; border-radius: 24px; background: var(--color-bg-subtle); }
.event-feature p { font-size: 16px; line-height: 26px; color: var(--color-text-secondary); }
.event-feature .event-feature__date { font-size: 15px; line-height: 24px; }
.event-feature h3 { font-size: 26px; line-height: 42px; }

/* リトミックコンサート詳細 */
.concert-hero { background: var(--color-bg-subtle); padding-block: 48px 56px; }
.concert-hero .breadcrumbs { gap: 12px; margin-bottom: 28px; line-height: 24px; color: var(--color-action-primary-default); }
.concert-hero__copy { display: flex; flex-direction: column; align-items: flex-start; gap: 18px; max-width: 744px; }
.concert-hero__kicker { font-family: var(--font-heading); font-weight: 700; color: var(--color-action-primary-default); font-size: 20px; line-height: 34px; }
.concert-hero h1 { font-size: 48px; line-height: 82px; }
.concert-hero__lead { color: var(--color-text-secondary); font-size: 20px; line-height: 34px; }
.concert-hero__welcome { color: var(--color-text-secondary); font-size: 18px; line-height: 31px; }
.detail-section { padding-block: 64px; }
.detail-section--tinted { background: var(--color-bg-subtle); }
.detail-stack { display: flex; flex-direction: column; align-items: stretch; gap: 28px; }
.detail-stack--compact { gap: 24px; }
.detail-stack--application { gap: 22px; align-items: center; text-align: center; }
.detail-stack > .center-heading { align-self: stretch; }
.summary-card { padding: 32px; border-radius: 24px; background: var(--color-bg-subtle); }
.summary-card--spaced { display: flex; flex-direction: column; gap: 24px; }
.summary-row { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 24px; padding: 16px; font-size: 16px; line-height: 27px; }
.summary-row dt { font-family: var(--font-heading); font-weight: 700; }
.summary-row dd { color: var(--color-text-secondary); }
.detail-intro { font-size: 18px; line-height: 31px; color: var(--color-text-secondary); }
.three-columns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; align-items: stretch; }
.price-card { padding: 24px; border-radius: 20px; background: var(--color-bg-primary); font-family: var(--font-heading); font-weight: 700; }
.price-card h3 { font-size: 16px; line-height: 27px; }
.price-card p { margin-top: 18px; font-size: 34px; line-height: 58px; color: var(--color-action-primary-default); }
.price-notes { color: var(--color-text-secondary); font-size: 15px; line-height: 26px; }
.performer-card { display: flex; flex-direction: column; align-items: stretch; gap: 14px; height: 100%; padding: 24px; border-radius: 20px; background: var(--color-bg-subtle); }
.performer-photo { display: flex; justify-content: center; align-items: center; height: 220px; overflow: hidden; border-radius: 16px; border: 1px dashed #e7d7e0; background: var(--color-bg-primary); }
.performer-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.performer-role { font-size: 15px; line-height: 26px; color: var(--color-action-primary-default); }
.performer-card h3 { font-size: 26px; line-height: 44px; }
.performer-bio { font-size: 15px; line-height: 26px; color: var(--color-text-secondary); }
.access-name { font-family: var(--font-heading); font-weight: 700; font-size: 24px; line-height: 41px; }
.access-address { font-size: 18px; line-height: 31px; color: var(--color-text-secondary); }
.info-note { display: flex; align-items: flex-start; gap: 16px; padding: 20px 24px; border-left: 4px solid var(--color-status-info); border-radius: 16px; background: var(--color-bg-subtle); font-size: 16px; line-height: 27px; }
.info-note__icon { color: var(--color-status-info); font-size: 18px; font-weight: 700; line-height: 22px; flex-shrink: 0; }
.contact-phone { font-family: var(--font-heading); font-size: 26px; font-weight: 700; line-height: 44px; color: var(--color-action-primary-default); text-align: center; }
.contact-hours { font-size: 16px; line-height: 27px; color: var(--color-text-secondary); text-align: center; }
.back-link { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; width: 220px; font-size: 16px; line-height: 24px; font-weight: 500; color: var(--color-text-brand); text-decoration: underline; text-underline-offset: .2em; }

/* スマートフォン用の補完レイアウト（元デザインは幅1440px） */
@media (max-width: 900px) {
  .three-columns { grid-template-columns: 1fr; }
  .performer-photo { height: 220px; }
  .summary-row { grid-template-columns: 130px minmax(0, 1fr); }
  .home-hero__intro br, .detail-intro br { display: none; }
  .news-row { flex-wrap: wrap; gap: 12px; }
  .news-title { flex-basis: calc(100% - 52px); order: 2; line-height: 1.7; }
  .news-new { order: 3; }
}
@media (max-width: 600px) {
  :root { --page-gutter: 24px; }
  .site-header { height: 72px; }
  .site-logo, .site-logo img { width: 210px; height: 56px; }
  .site-header .container { padding-left: 0; }
  .site-footer { padding-block: 40px 32px; }
  .site-footer p { font-size: 10px; line-height: 1.6; }
  .emergency-banner { padding: 12px 16px; gap: 12px; }
  .emergency-content { align-items: flex-start; font-size: 12px; line-height: 20px; gap: 8px; }
  .home-hero { height: 540px; }
  .home-hero__image { object-position: 58% center; }
  .home-hero::after { background: linear-gradient(90deg, rgba(252,245,247,.92), rgba(252,245,247,.48)); }
  .home-hero .container { padding-block: 64px; justify-content: flex-end; gap: 20px; }
  .home-hero h1 { font-size: clamp(24px, 6.3vw, 32px); line-height: 1.6; }
  .home-hero__intro { font-size: 15px; line-height: 1.8; }
  .home-news, .events-list { padding-block: 48px; }
  .center-heading h2 { font-size: 23px; line-height: 1.5; }
  .sns-section { padding-block: 48px; }
  .events-page { min-height: 100vh; }
  .events-hero { padding-block: 32px; }
  .events-hero h1 { font-size: 27px; line-height: 1.5; }
  .events-heading { margin-bottom: 32px; }
  .events-hero p { line-height: 1.8; }
  .event-feature { padding: 24px; }
  .event-feature h3 { font-size: 23px; line-height: 1.6; }
  .event-feature p { line-height: 1.8; }
  .concert-hero { padding-block: 32px 40px; }
  .concert-hero .breadcrumbs { gap: 6px; font-size: 11px; line-height: 20px; }
  .concert-hero__kicker { font-size: 16px; line-height: 1.7; }
  .concert-hero h1 { font-size: clamp(24px, 6.7vw, 36px); line-height: 1.6; }
  .concert-hero__lead { font-size: 18px; line-height: 1.8; }
  .concert-hero__welcome { font-size: 16px; line-height: 1.8; }
  .detail-section { padding-block: 40px; }
  .detail-stack, .detail-stack--compact, .detail-stack--application { gap: 22px; }
  .summary-card { padding: 16px; }
  .summary-card--spaced { gap: 12px; }
  .summary-row { grid-template-columns: 1fr; gap: 6px; padding: 12px 8px; }
  .detail-intro { font-size: 16px; line-height: 1.8; }
  .three-columns { gap: 16px; }
  .access-name { font-size: 21px; line-height: 1.7; }
  .access-address { font-size: 16px; line-height: 1.8; }
  .info-note { padding: 18px 16px; gap: 12px; font-size: 15px; line-height: 1.8; }
  .contact-phone { font-size: 22px; line-height: 1.7; }
}