/* =========================
 Base (Bright Theme)
========================= */
:root{
  --bg: #ffffff;
  --text: #0b1648;
  --muted: #5c6c8f;
  --primary: #2563eb;
  --primary-600: #1d4ed8;
  --accent: #22c55e;
  --gold: #eab308;
  --white: #fff;
  --card: #f9fbff;
  --card-border: #dbe4ff;
  --shadow: 0 8px 24px rgba(0,0,0,.08);
  --radius: 14px;
  --radius-sm: 10px;
  --container: 1100px;
  --header-h: 64px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,"Hiragino Kaku Gothic ProN","Noto Sans JP",Meiryo,sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:min(100% - 2rem, var(--container));margin-inline:auto}
.section{padding:3rem 0}
.section--tight{padding:1.25rem 0}
.section__title{font-size:clamp(1.4rem,1.1rem + 1vw,2rem);margin:0 0 1rem}
.prose p{margin:.5rem 0}
.skip-link{position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{position:static;width:auto;height:auto;padding:.5rem .75rem;background:#000;color:#fff}

/* Header */
.site-header--fixed{position:fixed;inset:0 0 auto 0;z-index:20;background:rgba(31,41,55,.20);color:var(--white);box-shadow:0 2px 8px rgba(0,0,0,.10);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);transition:background .25s ease,box-shadow .25s ease;height:var(--header-h)}
.site-header--fixed.is-scrolled{background:rgba(17,24,39,.72);box-shadow:0 6px 16px rgba(0,0,0,.20)}
.header__inner{display:grid;grid-template-columns:1fr;align-items:center;padding:.5rem 0}
.global-nav{position:relative}
.nav-toggle{display:none;background:rgba(255,255,255,.95);color:#1f2937;border:0;padding:.5rem .75rem;border-radius:var(--radius-sm);box-shadow:var(--shadow);cursor:pointer}
.menu{list-style:none;display:flex;justify-content:center;gap:.6rem;margin:0;padding:0}
.menu a{color:var(--white);padding:.5rem .75rem;border-radius:.5rem}
.menu a:hover{background:rgba(255,255,255,.12)}
@media (max-width:960px){.menu{position:absolute;right:0;top:calc(100% + .5rem);background:rgba(17,24,39,.85);border:1px solid rgba(255,255,255,.15);border-radius:.75rem;padding:.5rem;flex-direction:column;display:none;min-width:220px;box-shadow:var(--shadow);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}.menu a{color:#f9fafb}.menu a:hover{background:rgba(255,255,255,.12)}.menu.is-open{display:flex}.nav-toggle{display:inline-block}}

/* Hero */
.hero--fullscreen{position:relative;height:calc(100dvh - var(--header-h));min-height:520px;background:#000;color:#fff;overflow:hidden;padding-top:var(--header-h)}
@supports not (height: 100dvh){.hero--fullscreen{height:calc(100vh - var(--header-h))}}
.hero__overlay{position:absolute;inset:0;display:grid;align-items:start;justify-items:start;pointer-events:none;z-index:2}
.hero__logo-kochi{position:absolute;top:76px;right:1rem;background:rgba(255,255,255,.92);border:1px solid rgba(0,0,0,.06);border-radius:12px;padding:.25rem .4rem;box-shadow:var(--shadow);z-index:3}
@media (max-width:960px){.hero__logo-kochi{top:70px;right:.75rem}}
@media (max-width:640px){.hero__logo-kochi{top:unset;bottom:10px;right:10px}}

/* Headline block */
.hero__headline{text-align:left;padding:0 1rem;margin-left:clamp(1rem,8vw,10vw);text-shadow:0 2px 12px rgba(0,0,0,.4);max-width:min(92vw,720px);pointer-events:auto;margin-top:calc(clamp(48px,9vh,96px) + 1em)}
.hero__title-ja{margin:0 0 .22rem;font-size:clamp(1.9rem,1.2rem + 2.6vw,3.1rem);font-weight:800;letter-spacing:.04em;color:#f0fbff;line-height:1.16}
.hero__title-en{margin:.22rem 0 0;font-size:clamp(1rem,.7rem + 1.4vw,1.6rem);font-weight:700;color:#cfefff}
.hero__tag{margin:.55rem 0 0;font-size:clamp(.95rem,.8rem + .7vw,1.1rem);color:#e6faff}
.hero__cta{margin-top:.75rem}
.btn--diary{background:#10b981;color:#fff;border:1px solid #059669;padding:.7rem 1.1rem;border-radius:10px;font-weight:800;letter-spacing:.02em;box-shadow:0 6px 16px rgba(0,0,0,.18);display:inline-block}
.btn--diary:hover{background:#059669;text-decoration:none}
.btn--diary:focus{outline:3px solid #bbf7d0;outline-offset:2px}

/* Inline logo：角丸四角（白 50% 透過）＋ PCは3em右寄せ */
.hero__logo--inline{
  position: static; display: inline-flex; align-items: center; justify-content: center;
  margin: 0 0 .6rem 0; padding: 10px; /* 均等パディング */
  border-radius: 12px;            /* ← 角を丸く */
  background: rgba(255,255,255,.5); /* ← 50% 透過 */
  box-shadow: none; border: 0;
}
@media (min-width: 641px){ .hero__logo--inline{ margin-left: 3em; } }
@media (max-width:640px){ .hero__logo--inline{ margin-left: 0; } }

/* ロゴ画像サイズ据え置き */
.hero__logo--inline img{width:216px;height:auto}
@media (max-width:640px){.hero__logo--inline img{width:188px}}

/* Scroll hint */
.hero__scrollhint{position:absolute;bottom:12px;left:50%;transform:translateX(-50%);color:#fff;text-decoration:none;font-size:.85rem;opacity:.9;background:rgba(0,0,0,.25);padding:.35rem .6rem;border-radius:999px;border:1px solid rgba(255,255,255,.25)}
.hero__scrollhint:hover{background:rgba(0,0,0,.35)}

/* Slider (fade) */
.hero--fullscreen .slider__viewport{position:absolute;inset:0}
.slides{position:relative;width:100%;height:100%}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .8s ease;pointer-events:none}
.slide img{width:100%;height:100%;object-fit:cover;object-position:center;filter:brightness(0.9)}
#slide1:checked ~ .slides .slide:nth-child(1),#slide2:checked ~ .slides .slide:nth-child(2),#slide3:checked ~ .slides .slide:nth-child(3),#slide4:checked ~ .slides .slide:nth-child(4),#slide5:checked ~ .slides .slide:nth-child(5){opacity:1;pointer-events:auto}
@media (prefers-reduced-motion: reduce){.slide{transition:opacity .2s linear}}

#content-start{height:0}
main{scroll-margin-top:var(--header-h)}

/* News & below (unchanged) */
.newsbar__label{font-weight:400;color:#fff;background:var(--primary);padding:.3rem .8rem;border-radius:10px 10px 0 0;display:inline-block;margin-bottom:-3px;font-size:20px}
.newsbar__wrap{display:block;padding:0;margin:0}
.newsbar__line{display:block;color:#0b1648;padding:.35rem 0}
.newsbar__line:not(:last-child){border-bottom:1px dashed rgba(11,22,72,.25)}
.concert-cards{display:grid;gap:1rem}
@media (min-width:960px){.concert-cards{grid-template-columns:1fr 1fr 1fr}}
@media (min-width:640px) and (max-width:959px){.concert-cards{grid-template-columns:1fr 1fr}}
.concert-card{background:#ffffff;border:1px solid #e5e7eb;border-radius:16px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.concert-card__media{position:relative;margin:0}
.concert-card__media img{width:100%;height:200px;object-fit:cover;display:block}
.concert-card__badge{position:absolute;left:.75rem;bottom:.75rem;background:rgba(17,24,39,.8);color:#fff;border:1px solid rgba(255,255,255,.25);border-radius:10px;padding:.2rem .5rem;font-weight:800;font-size:.9rem}
.concert-card__body{padding:.9rem 1rem .5rem}
.concert-card__title{margin:0 0 .25rem;font-size:1.05rem;color:var(--text)}
.concert-card__meta{margin:0;color:#475569;font-size:.95rem}
.concert-card__actions{padding:0 1rem 1rem;margin-top:auto}

.grid{display:grid;gap:1rem}
.grid--3{grid-template-columns:repeat(3,1fr)}
@media (max-width:960px){.grid--3{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.grid--3{grid-template-columns:1fr}}
.feature{display:block;background:#ffffff;border:1px solid #e2e8f0;border-radius:var(--radius);padding:1rem;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,background .2s ease;color:inherit}
.feature:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(0,0,0,.12);background:#f8fbff;text-decoration:none}
.feature__title{margin:0 0 .25rem;color:var(--primary-600);font-size:1.05rem}
.feature__desc{margin:0;color:var(--text);font-size:.95rem}
.feature__icon{margin-top:.5rem}
.update{color:#ef4444;font-weight:700}
.badges__inner{display:flex;align-items:center;gap:1rem;justify-content:center}
.site-footer{background:#f3f4f6;color:#111827;padding:1.25rem 0;border-top:1px solid #e5e7eb}
.site-footer .copy,.site-footer .lastmod{display:block;text-align:center;opacity:.9}

/* === こどもの音楽会のチラシを上寄せで見せる調整 ===
   全カード画像に object-position: top center を適用します。
   既存の `object-fit: cover;` はそのまま機能し、上側を優先表示します。
*/
.concert-card__media img {
  object-position: top center;
}

/* ===== Fixed header safe area (global) ===== */
:root{ --header-h: 80px; }
main{ padding-top: var(--header-h,80px) !important; }
[id]{ scroll-margin-top: var(--header-h,80px) !important; }