@charset "UTF-8";
/* =========================================================================
   ぴあドルチェ音楽教室 / PiaDolce Music School
   assets/css/style.css
   ========================================================================= */

/* -------------------------------------------------------------------------
   1. デザイントークン
   ------------------------------------------------------------------------- */
:root {
  /* ブランドカラー（ロゴから抽出した、くすみローズ＋温かいグレージュ） */
  --rose:        #c7aa9d;
  --rose-deep:   #a9857a;
  --rose-pale:   #ecdcd4;
  --rose-mist:   #f7eeea;

  --ink:         #2f2823;   /* 本文（黒すぎない温かい墨色） */
  --ink-soft:    #6f645c;   /* 補助テキスト */
  --ink-faint:   #9b9089;   /* さらに薄い注記 */

  --cream:       #faf6f2;   /* ページ地色 */
  --paper:       #fffdfb;   /* カード地色 */
  --greige:      #e8e3db;   /* セクション区切りの地色 */
  --line:        rgba(47, 40, 35, .13);
  --line-soft:   rgba(47, 40, 35, .07);

  --forest:      #6f7d63;   /* 森のアクセント（安曇野・穂高有明） */

  /* タイポグラフィ */
  --font-jp: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", "ヒラギノ丸ゴ ProN W4",
             "Hiragino Sans", "Yu Gothic Medium", "游ゴシック Medium", "Meiryo", sans-serif;
  --font-en: "Jost", "Futura", "Century Gothic", var(--font-jp), sans-serif;

  /* レイアウト */
  --wrap:      1140px;
  --wrap-slim: 760px;
  --gutter:    clamp(20px, 5vw, 48px);
  --header-h:  76px;

  /* 効果 */
  --radius:    18px;
  --radius-lg: 28px;
  --shadow-sm: 0 2px 10px rgba(47, 40, 35, .05);
  --shadow:    0 10px 34px rgba(47, 40, 35, .09);
  --shadow-lg: 0 24px 64px rgba(47, 40, 35, .13);
  --ease:      cubic-bezier(.22, .61, .36, 1);
}

/* -------------------------------------------------------------------------
   2. リセット & ベース
   ------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-jp);
  font-size: 16px;
  font-weight: 400;
  line-height: 2;
  letter-spacing: .04em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, picture, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p, figure, dl, dd { margin: 0; }

:focus-visible {
  outline: 2px solid var(--rose-deep);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection { background: var(--rose-pale); color: var(--ink); }

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

.skip-link {
  position: absolute; left: 50%; top: 8px; transform: translate(-50%, -200%);
  background: var(--ink); color: #fff; padding: 10px 20px; border-radius: 999px;
  z-index: 999; transition: transform .2s var(--ease);
}
.skip-link:focus { transform: translate(-50%, 0); }

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

/* 狭い画面では改行させない補助 */
.pc-only { display: none; }
@media (min-width: 700px) { .pc-only { display: inline; } }

/* -------------------------------------------------------------------------
   3. タイポグラフィ部品
   ------------------------------------------------------------------------- */
.eyebrow {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--rose-deep);
  line-height: 1;
  margin-bottom: 18px;
  display: block;
}

.section-title {
  font-size: clamp(26px, 4.4vw, 38px);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: .1em;
}
.section-title .en {
  display: block;
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--rose-deep);
  margin-top: 12px;
  font-weight: 400;
}

/* 見出しの下に添える細い縦線 */
.rule {
  width: 1px; height: 56px; margin: 28px auto 0;
  background: linear-gradient(var(--rose), transparent);
}
.rule--left { margin-inline: 0; }

.lede {
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 2.3;
  color: var(--ink-soft);
}

.section {
  padding-block: clamp(72px, 11vw, 132px);
  position: relative;
}
.section--tight { padding-block: clamp(52px, 7vw, 84px); }
.section--greige { background: var(--greige); }
.section--mist   { background: var(--rose-mist); }
.section--paper  { background: var(--paper); }

.section-head { text-align: center; margin-bottom: clamp(44px, 6vw, 72px); }
.section-head--left { text-align: left; }

/* -------------------------------------------------------------------------
   4. ボタン
   ------------------------------------------------------------------------- */
.btn {
  --btn-bg: var(--ink);
  --btn-fg: #fff;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 56px;
  padding: 0 34px;
  background: var(--btn-bg); color: var(--btn-fg);
  border: 1px solid transparent; border-radius: 999px;
  font-size: 15px; font-weight: 500; letter-spacing: .1em; line-height: 1;
  cursor: pointer;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease),
              background-color .3s var(--ease), color .3s var(--ease);
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }
.btn svg { width: 18px; height: 18px; flex: none; }

.btn--rose    { --btn-bg: var(--rose-deep); }
.btn--outline { --btn-bg: transparent; --btn-fg: var(--ink); border-color: var(--line); }
.btn--outline:hover { --btn-bg: var(--ink); --btn-fg: #fff; }
.btn--ghost   { --btn-bg: rgba(255,255,255,.14); --btn-fg: #fff; border-color: rgba(255,255,255,.5); backdrop-filter: blur(6px); }
.btn--ghost:hover { --btn-bg: #fff; --btn-fg: var(--ink); }
.btn--sm { min-height: 46px; padding: 0 24px; font-size: 14px; }

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }
.btn-row--center { justify-content: center; }

/* テキストリンク（矢印付き） */
.arrow-link {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 15px; letter-spacing: .1em;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line);
  transition: gap .3s var(--ease), border-color .3s var(--ease);
}
.arrow-link::after {
  content: ""; width: 22px; height: 1px; background: currentColor;
  position: relative; transition: width .3s var(--ease);
}
.arrow-link:hover { gap: 16px; border-color: var(--rose-deep); }
.arrow-link:hover::after { width: 30px; }

/* -------------------------------------------------------------------------
   5. ヘッダー
   ------------------------------------------------------------------------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center;
  background: rgba(250, 246, 242, 0);
  transition: background-color .4s var(--ease), box-shadow .4s var(--ease),
              height .4s var(--ease);
}
.site-header::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  opacity: 0; transition: opacity .4s var(--ease);
}
.site-header.is-stuck {
  background: rgba(250, 246, 242, .88);
  box-shadow: 0 1px 0 var(--line-soft), 0 6px 24px rgba(47, 40, 35, .05);
  height: 66px;
}
.site-header.is-stuck::after { opacity: 1; }

/* ヒーローに重なる状態（ホームの最上部）は白抜き */
.site-header.is-over-hero:not(.is-stuck) { color: #fff; }
.site-header.is-over-hero:not(.is-stuck) .brand-name { color: #fff; }
.site-header.is-over-hero:not(.is-stuck) .brand-mark { filter: brightness(0) invert(1); }
.site-header.is-over-hero:not(.is-stuck) .nav-toggle span { background: #fff; }

.header-inner {
  width: 100%; max-width: var(--wrap); margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 38px; height: 38px; object-fit: contain; transition: filter .4s var(--ease); }
.brand-text { display: flex; flex-direction: column; gap: 3px; line-height: 1; }
.brand-name { font-size: 15px; font-weight: 500; letter-spacing: .12em; transition: color .4s var(--ease); }
.brand-en {
  font-family: var(--font-en); font-size: 9.5px; letter-spacing: .26em;
  text-transform: uppercase; color: currentColor; opacity: .62;
}

/* --- グローバルナビ（PC） --- */
.gnav > ul { display: flex; align-items: center; gap: clamp(16px, 2.1vw, 30px); }
.gnav a {
  position: relative;
  font-size: 14px; letter-spacing: .09em; padding-block: 6px;
  white-space: nowrap;
  transition: color .3s var(--ease);
}
.gnav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 1px;
  background: currentColor; transform: scaleX(0); transform-origin: right;
  transition: transform .4s var(--ease);
}
.gnav a:hover::after,
.gnav a[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }
.gnav a[aria-current="page"] { color: var(--rose-deep); }
.site-header.is-over-hero:not(.is-stuck) .gnav a[aria-current="page"] { color: #fff; }

.gnav .nav-cta a {
  background: var(--rose-deep); color: #fff;
  padding: 12px 22px; border-radius: 999px;
  transition: background-color .3s var(--ease), transform .3s var(--ease);
}
.gnav .nav-cta a::after { display: none; }
.gnav .nav-cta a:hover { background: var(--ink); transform: translateY(-2px); }

/* --- ハンバーガー --- */
.nav-toggle {
  display: none; position: relative; z-index: 120;
  width: 46px; height: 46px; padding: 0;
  background: none; border: 0; cursor: pointer;
}
.nav-toggle span {
  position: absolute; left: 11px; width: 24px; height: 1.5px;
  background: var(--ink); border-radius: 2px;
  transition: transform .38s var(--ease), opacity .25s var(--ease), background-color .4s var(--ease);
}
.nav-toggle span:nth-child(1) { top: 16px; }
.nav-toggle span:nth-child(2) { top: 22.5px; }
.nav-toggle span:nth-child(3) { top: 29px; }
.nav-toggle[aria-expanded="true"] span { background: var(--ink) !important; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* -------------------------------------------------------------------------
   6. ヒーロー
   ------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: min(100svh, 860px);
  display: grid; place-items: center;
  overflow: hidden;
  color: #fff;
  isolation: isolate;
}
.hero-media { position: absolute; inset: 0; z-index: -2; }
.hero-media img {
  width: 100%; height: 100%; object-fit: cover; object-position: center 58%;
  transform: scale(1.08);
  animation: heroZoom 18s var(--ease) forwards;
}
@keyframes heroZoom { to { transform: scale(1); } }

.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(to bottom, rgba(30,24,20,.44) 0%, rgba(30,24,20,.12) 38%, rgba(30,24,20,.58) 100%);
}

.hero-inner { text-align: center; padding: calc(var(--header-h) + 40px) var(--gutter) 120px; }

.hero-logo {
  width: clamp(96px, 13vw, 132px); margin: 0 auto 34px;
  filter: brightness(0) invert(1);
  opacity: 0; animation: fadeUp 1.2s var(--ease) .25s forwards;
}
.hero-title {
  font-size: clamp(22px, 3.6vw, 34px); font-weight: 500;
  line-height: 2.1; letter-spacing: .18em;
  text-shadow: 0 2px 24px rgba(0,0,0,.3);
  opacity: 0; animation: fadeUp 1.2s var(--ease) .45s forwards;
}
.hero-sub {
  margin-top: 22px; font-size: clamp(13px, 1.6vw, 15px);
  letter-spacing: .2em; color: rgba(255,255,255,.9);
  opacity: 0; animation: fadeUp 1.2s var(--ease) .65s forwards;
}
.hero-actions { margin-top: 42px; opacity: 0; animation: fadeUp 1.2s var(--ease) .85s forwards; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(26px); }
  to   { opacity: 1; transform: none; }
}

.scroll-cue {
  position: absolute; left: 50%; bottom: 34px; translate: -50% 0;
  display: grid; justify-items: center; gap: 12px;
  font-family: var(--font-en); font-size: 10px; letter-spacing: .3em;
  text-transform: uppercase; color: rgba(255,255,255,.85);
  opacity: 0; animation: fadeUp 1.2s var(--ease) 1.1s forwards;
}
.scroll-cue i { display: block; width: 1px; height: 54px; background: rgba(255,255,255,.4); position: relative; overflow: hidden; }
.scroll-cue i::after {
  content: ""; position: absolute; inset: 0; background: #fff;
  animation: cueRun 2.2s var(--ease) infinite;
}
@keyframes cueRun {
  0%   { transform: translateY(-100%); }
  60%  { transform: translateY(100%); }
  100% { transform: translateY(100%); }
}

/* --- 下層ページの見出し帯 --- */
.page-hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(56px, 9vw, 96px)) 0 clamp(44px, 7vw, 76px);
  background: var(--rose-mist);
  text-align: center;
  overflow: hidden;
}
.page-hero::after {
  content: ""; position: absolute; left: 50%; bottom: -110px; translate: -50% 0;
  width: 520px; height: 220px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(199,170,157,.34), transparent);
  pointer-events: none;
}
.page-hero h1 {
  font-size: clamp(27px, 4.6vw, 40px); font-weight: 500;
  letter-spacing: .16em; line-height: 1.6;
}
.page-hero .en {
  display: block; margin-top: 14px;
  font-family: var(--font-en); font-size: 12px; letter-spacing: .32em;
  text-transform: uppercase; color: var(--rose-deep);
}
.breadcrumb {
  display: flex; justify-content: center; flex-wrap: wrap; gap: 10px;
  margin-top: 26px; font-size: 12px; color: var(--ink-faint); letter-spacing: .08em;
}
.breadcrumb li + li::before { content: "／"; margin-right: 10px; color: var(--rose); }
.breadcrumb a:hover { color: var(--rose-deep); }

/* -------------------------------------------------------------------------
   7. ごあいさつ
   ------------------------------------------------------------------------- */
.greeting { display: grid; gap: clamp(40px, 6vw, 80px); align-items: center; }
@media (min-width: 900px) { .greeting { grid-template-columns: minmax(0, 1fr) minmax(0, .8fr); } }

.greeting-body p + p { margin-top: 1.9em; }
.greeting-body strong { font-weight: 500; color: var(--ink); }

.signature {
  margin-top: 2.6em; padding-top: 1.6em;
  border-top: 1px solid var(--line-soft);
  font-size: 14px; color: var(--ink-soft); line-height: 1.9;
}
.signature b { display: block; font-size: 18px; font-weight: 500; color: var(--ink); letter-spacing: .12em; margin-top: 6px; }

.greeting-figure { position: relative; }
.greeting-figure img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.greeting-figure::before {
  content: ""; position: absolute; inset: 22px -22px -22px 22px; z-index: -1;
  border: 1px solid var(--rose); border-radius: var(--radius-lg);
}
.figure-caption {
  margin-top: 16px; font-size: 12.5px; color: var(--ink-faint); letter-spacing: .1em; text-align: right;
}

/* -------------------------------------------------------------------------
   7-2. ホームのお知らせ（トップページ上部に出す抜粋）
   ------------------------------------------------------------------------- */
.news-preview {
  display: grid; gap: 12px;
  max-width: 880px; margin-inline: auto;
}

.news-preview-item {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr) auto;
  gap: clamp(16px, 2.4vw, 26px); align-items: center;
  padding: 16px clamp(18px, 2.4vw, 26px);
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease),
              border-color .35s var(--ease);
}
.news-preview-item:hover {
  transform: translateX(5px);
  box-shadow: var(--shadow);
  border-color: var(--rose-pale);
}

.news-preview-item img {
  width: 78px; height: 78px;
  object-fit: cover; object-position: center top;
  border-radius: 10px; border: 1px solid var(--line-soft);
  background: var(--rose-mist);
}

.news-preview-body { min-width: 0; }
.news-preview-body b {
  display: block;
  font-size: clamp(15px, 1.9vw, 16.5px); font-weight: 500;
  letter-spacing: .06em; line-height: 1.7;
}
.news-preview-body .when {
  display: block; margin-top: 6px;
  font-size: 13px; color: var(--ink-soft); letter-spacing: .05em; line-height: 1.7;
}
.news-preview-body .news-tag { margin-bottom: 8px; }

.news-preview-item .go {
  width: 34px; height: 34px; flex: none;
  border-radius: 50%; border: 1px solid var(--line);
  display: grid; place-items: center;
  transition: background-color .35s var(--ease), border-color .35s var(--ease);
}
.news-preview-item:hover .go { background: var(--rose-deep); border-color: var(--rose-deep); }
.news-preview-item .go svg { width: 13px; height: 13px; stroke: currentColor; fill: none; stroke-width: 1.8; }
.news-preview-item:hover .go svg { stroke: #fff; }

@media (max-width: 620px) {
  .news-preview-item { grid-template-columns: 62px minmax(0, 1fr); padding: 14px 16px; }
  .news-preview-item img { width: 62px; height: 62px; }
  .news-preview-item .go { display: none; }
}

/* -------------------------------------------------------------------------
   8. レッスン一覧カード（アイコン4種）
   ------------------------------------------------------------------------- */
.lesson-grid {
  display: grid; gap: clamp(16px, 2.4vw, 26px);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
@media (min-width: 820px) { .lesson-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.lesson-card {
  display: grid; justify-items: center; gap: 14px;
  padding: clamp(26px, 3.4vw, 40px) 16px;
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  text-align: center;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.lesson-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--rose-pale); }
.lesson-card img { width: clamp(72px, 9vw, 96px); mix-blend-mode: multiply; }
.lesson-card b { font-size: clamp(14px, 1.7vw, 16px); font-weight: 500; letter-spacing: .1em; }
.lesson-card small { font-size: 11.5px; color: var(--ink-faint); letter-spacing: .06em; line-height: 1.7; }

/* -------------------------------------------------------------------------
   9. 体験レッスン CTA 帯
   ------------------------------------------------------------------------- */
.cta-band {
  position: relative; overflow: hidden;
  background: var(--ink); color: #fff;
  text-align: center;
  padding-block: clamp(64px, 9vw, 104px);
}
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(60% 90% at 15% 10%, rgba(199,170,157,.30), transparent 60%),
    radial-gradient(50% 80% at 88% 88%, rgba(111,125,99,.26), transparent 60%);
}
.cta-band > * { position: relative; }
.cta-band .ribbon {
  display: inline-flex; align-items: center; gap: 14px;
  font-size: clamp(15px, 2.2vw, 19px); letter-spacing: .16em; margin-bottom: 20px;
}
.cta-band .ribbon::before,
.cta-band .ribbon::after { content: ""; width: 30px; height: 1px; background: var(--rose); }
.cta-band h2 {
  font-size: clamp(24px, 4vw, 36px); font-weight: 500; letter-spacing: .12em; line-height: 1.7;
}
.cta-band .price {
  display: inline-block; margin-top: 22px;
  font-family: var(--font-en); font-size: clamp(30px, 5.4vw, 48px);
  letter-spacing: .06em; color: var(--rose);
}
.cta-band .price span { font-family: var(--font-jp); font-size: 15px; letter-spacing: .1em; color: rgba(255,255,255,.78); margin-left: 10px; }
.cta-band p { margin-top: 16px; color: rgba(255,255,255,.76); font-size: 14.5px; }
.cta-band .btn-row { margin-top: 38px; }

/* -------------------------------------------------------------------------
   10. 2カラムの紹介ブロック（講師紹介／活動実績への導線）
   ------------------------------------------------------------------------- */
.feature { display: grid; gap: clamp(32px, 5vw, 72px); align-items: center; }
@media (min-width: 880px) {
  .feature { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature--reverse .feature-figure { order: 2; }
}
.feature + .feature { margin-top: clamp(64px, 9vw, 120px); }

.feature-figure img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 3; object-fit: cover; width: 100%;
}
.feature-body h2 { font-size: clamp(22px, 3.2vw, 30px); font-weight: 500; letter-spacing: .12em; line-height: 1.7; }
.feature-body .lede { margin-top: 22px; }
.feature-body .arrow-link { margin-top: 30px; }

/* -------------------------------------------------------------------------
   11. レッスンページ
   ------------------------------------------------------------------------- */
.lesson-block + .lesson-block { margin-top: clamp(72px, 11vw, 130px); }

.lesson-banner {
  position: relative; overflow: hidden;
  border-radius: var(--radius-lg);
  aspect-ratio: 21 / 8; min-height: 200px;
  display: grid; place-items: center; text-align: center; color: #fff;
}
.lesson-banner img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.lesson-banner::before { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(38,31,26,.42); }
.lesson-banner h2 {
  font-size: clamp(24px, 4.2vw, 40px); font-weight: 500; letter-spacing: .2em;
  text-shadow: 0 2px 20px rgba(0,0,0,.35);
}
.lesson-banner .en {
  display: block; margin-top: 10px; font-family: var(--font-en);
  font-size: 11.5px; letter-spacing: .32em; text-transform: uppercase; opacity: .88;
}
.lesson-banner .badge {
  display: inline-block; margin-top: 14px; padding: 6px 18px;
  background: rgba(255,255,255,.2); border: 1px solid rgba(255,255,255,.55);
  border-radius: 999px; font-size: 12px; letter-spacing: .12em;
  backdrop-filter: blur(4px);
}

.lesson-intro { max-width: 780px; margin: clamp(34px, 5vw, 54px) auto 0; text-align: center; }

.course-label {
  display: flex; align-items: center; gap: 18px;
  margin: clamp(44px, 6vw, 70px) 0 30px;
  font-size: clamp(17px, 2.3vw, 21px); font-weight: 500; letter-spacing: .16em;
}
.course-label::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.course-label em {
  font-style: normal; font-family: var(--font-en); font-size: 11px;
  letter-spacing: .26em; text-transform: uppercase; color: var(--rose-deep);
}

.price-grid { display: grid; gap: clamp(16px, 2.2vw, 24px); }
@media (min-width: 760px)  { .price-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1040px) { .price-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

.price-card {
  display: flex; flex-direction: column;
  padding: clamp(26px, 3vw, 36px);
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.price-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

.price-card h3 {
  font-size: 18px; font-weight: 500; letter-spacing: .12em;
  padding-bottom: 16px; border-bottom: 1px solid var(--line-soft);
}
.price-card h3 small {
  display: block; margin-top: 6px;
  font-size: 12px; font-weight: 400; letter-spacing: .1em; color: var(--rose-deep);
}
.price-card ul { margin: 20px 0 26px; display: grid; gap: 10px; }
.price-card li {
  position: relative; padding-left: 22px;
  font-size: 14.5px; line-height: 1.9; color: var(--ink-soft);
}
.price-card li::before {
  content: ""; position: absolute; left: 4px; top: .82em;
  width: 6px; height: 6px; border-radius: 50%; background: var(--rose);
}

.price-tag {
  margin-top: auto; padding-top: 20px;
  border-top: 1px dashed var(--line);
  display: grid; gap: 4px;
}
.price-tag .duration { font-size: 12.5px; letter-spacing: .12em; color: var(--ink-faint); }
.price-tag .amount {
  font-family: var(--font-en); font-size: clamp(26px, 3.4vw, 32px);
  letter-spacing: .02em; color: var(--ink); line-height: 1.3;
}
.price-tag .amount span { font-family: var(--font-jp); font-size: 14px; letter-spacing: .08em; color: var(--ink-soft); margin-left: 6px; }
.price-tag .alt { font-size: 13px; color: var(--ink-soft); letter-spacing: .06em; }

.note {
  margin-top: 26px; padding: 18px 22px;
  background: var(--rose-mist); border-radius: 12px;
  font-size: 13.5px; line-height: 1.95; color: var(--ink-soft);
}

.tirol-card {
  display: grid; gap: clamp(24px, 4vw, 44px); align-items: center;
  margin-top: clamp(30px, 4vw, 44px);
  padding: clamp(26px, 3.6vw, 44px);
  background: var(--paper); border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
}
@media (min-width: 780px) { .tirol-card { grid-template-columns: 190px minmax(0, 1fr); } }
.tirol-card img { border-radius: 50%; width: 100%; max-width: 190px; margin-inline: auto; }
.tirol-card h3 { font-size: 19px; font-weight: 500; letter-spacing: .12em; margin-bottom: 14px; }

/* -------------------------------------------------------------------------
   12. 講師紹介ページ
   ------------------------------------------------------------------------- */
.teacher + .teacher { margin-top: clamp(72px, 11vw, 128px); }
.teacher { display: grid; gap: clamp(32px, 5vw, 66px); }
@media (min-width: 900px) {
  .teacher { grid-template-columns: minmax(0, .68fr) minmax(0, 1fr); align-items: start; }
  .teacher--reverse .teacher-figure { order: 2; }
}

.teacher-figure { position: relative; }
.teacher-figure img {
  width: 100%; border-radius: var(--radius-lg);
  aspect-ratio: 3 / 4; object-fit: cover; object-position: center 20%;
  box-shadow: var(--shadow-lg);
}
.teacher-figure .instrument {
  position: absolute; top: 20px; left: -10px;
  padding: 9px 20px; background: var(--rose-deep); color: #fff;
  border-radius: 999px; font-size: 12.5px; letter-spacing: .16em;
  box-shadow: var(--shadow-sm);
}
@media (min-width: 900px) { .teacher--reverse .teacher-figure .instrument { left: auto; right: -10px; } }

.teacher-name { line-height: 1.4; }
.teacher-name b { font-size: clamp(24px, 3.4vw, 32px); font-weight: 500; letter-spacing: .18em; }
.teacher-name .en {
  display: block; margin-top: 10px;
  font-family: var(--font-en); font-size: 12.5px; letter-spacing: .28em;
  text-transform: uppercase; color: var(--rose-deep);
}
.teacher-bio { margin-top: 30px; display: grid; gap: 1.6em; }
.teacher-bio p { font-size: 15px; line-height: 2.25; color: var(--ink-soft); }

/* -------------------------------------------------------------------------
   13. 活動実績（年別タブ + 年表）
   ------------------------------------------------------------------------- */
.year-tabs {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;
  margin-bottom: clamp(38px, 5vw, 58px);
}
.year-tab {
  min-height: 46px; padding: 0 26px;
  background: transparent; border: 1px solid var(--line); border-radius: 999px;
  font-family: var(--font-en); font-size: 15px; letter-spacing: .1em;
  cursor: pointer;
  transition: background-color .3s var(--ease), color .3s var(--ease),
              border-color .3s var(--ease), transform .3s var(--ease);
}
.year-tab:hover { transform: translateY(-2px); border-color: var(--rose); }
.year-tab[aria-selected="true"] {
  background: var(--ink); color: #fff; border-color: var(--ink);
}

.year-panel[hidden] { display: none; }
.year-panel { animation: panelIn .5s var(--ease); }
@keyframes panelIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.timeline { position: relative; padding-left: 0; }
.timeline::before {
  content: ""; position: absolute; left: 0; top: 10px; bottom: 10px; width: 1px;
  background: linear-gradient(var(--rose-pale), var(--rose), var(--rose-pale));
}
.timeline li {
  position: relative;
  padding: 0 0 clamp(26px, 3.4vw, 36px) clamp(24px, 4vw, 44px);
}
.timeline li::before {
  content: ""; position: absolute; left: -4.5px; top: 12px;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--cream); border: 2px solid var(--rose-deep);
  transition: transform .3s var(--ease), background-color .3s var(--ease);
}
.timeline li:hover::before { transform: scale(1.3); background: var(--rose-deep); }
.timeline .date {
  display: block;
  font-family: var(--font-en); font-size: 13px; letter-spacing: .16em;
  color: var(--rose-deep); margin-bottom: 6px;
}
.timeline .event { font-size: 15.5px; line-height: 1.95; letter-spacing: .05em; }
.timeline .event em {
  display: block; font-style: normal; margin-top: 4px;
  font-size: 13.5px; color: var(--ink-faint); letter-spacing: .06em;
}

/* -------------------------------------------------------------------------
   14. お知らせ
   ------------------------------------------------------------------------- */
.news-list { display: grid; gap: clamp(28px, 4vw, 48px); }

.news-item {
  display: grid; gap: clamp(24px, 3.4vw, 44px);
  padding: clamp(24px, 3.2vw, 40px);
  background: var(--paper); border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  transition: box-shadow .4s var(--ease), transform .4s var(--ease);
}
.news-item:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
@media (min-width: 800px) { .news-item--with-figure { grid-template-columns: minmax(0, .62fr) minmax(0, 1fr); align-items: center; } }

.news-figure img {
  width: 100%; border-radius: var(--radius);
  border: 1px solid var(--line-soft);
  cursor: zoom-in;
  transition: transform .5s var(--ease);
}
.news-figure img:hover { transform: scale(1.02); }

.news-tag {
  display: inline-block; padding: 6px 16px; margin-bottom: 16px;
  background: var(--rose-mist); color: var(--rose-deep);
  border-radius: 999px; font-size: 11.5px; letter-spacing: .14em;
}
.news-body h2 { font-size: clamp(19px, 2.6vw, 24px); font-weight: 500; letter-spacing: .1em; line-height: 1.75; }
.news-body > p { margin-top: 16px; font-size: 15px; line-height: 2.1; color: var(--ink-soft); }

.news-meta { margin-top: 22px; display: grid; gap: 10px; }
.news-meta div { display: grid; grid-template-columns: 84px minmax(0, 1fr); gap: 12px; font-size: 14.5px; align-items: baseline; }
.news-meta dt {
  font-size: 12px; letter-spacing: .12em; color: var(--rose-deep);
  padding: 3px 0; border-bottom: 1px solid var(--rose-pale);
}
.news-meta dd { margin: 0; line-height: 1.9; }

/* 画像ライトボックス */
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  display: grid; place-items: center;
  padding: 24px;
  background: rgba(28, 22, 18, .9);
  backdrop-filter: blur(6px);
  opacity: 0; visibility: hidden;
  transition: opacity .35s var(--ease), visibility .35s var(--ease);
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox img {
  max-width: min(94vw, 900px); max-height: 88vh; width: auto;
  border-radius: 8px; box-shadow: var(--shadow-lg);
  transform: scale(.96); transition: transform .35s var(--ease);
}
.lightbox.is-open img { transform: scale(1); }
.lightbox-close {
  position: absolute; top: 18px; right: 18px;
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.4);
  color: #fff; font-size: 22px; line-height: 1; cursor: pointer;
  transition: background-color .3s var(--ease);
}
.lightbox-close:hover { background: rgba(255,255,255,.28); }

/* -------------------------------------------------------------------------
   15. お問い合わせフォーム
   ------------------------------------------------------------------------- */
.contact-layout { display: grid; gap: clamp(40px, 6vw, 72px); align-items: start; }
@media (min-width: 940px) { .contact-layout { grid-template-columns: minmax(0, 1fr) 340px; } }

.form { display: grid; gap: 26px; }
.field { display: grid; gap: 10px; }
.field > label { font-size: 14px; letter-spacing: .1em; font-weight: 500; display: flex; align-items: center; gap: 10px; }

.req, .opt {
  font-size: 10.5px; letter-spacing: .1em; padding: 3px 9px; border-radius: 4px; line-height: 1.6;
}
.req { background: var(--rose-deep); color: #fff; }
.opt { background: var(--greige); color: var(--ink-soft); }

.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field textarea {
  width: 100%; padding: 15px 18px;
  background: var(--paper);
  border: 1px solid var(--line); border-radius: 12px;
  font-family: inherit; font-size: 15.5px; color: var(--ink); line-height: 1.8;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease), background-color .3s var(--ease);
}
.field textarea { min-height: 190px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--ink-faint); }
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--rose-deep); background: #fff;
  box-shadow: 0 0 0 4px rgba(199,170,157,.2);
}

.radio-group { display: grid; gap: 10px; }
@media (min-width: 640px) { .radio-group { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.radio {
  position: relative; display: flex; align-items: center; gap: 12px;
  padding: 14px 18px; background: var(--paper);
  border: 1px solid var(--line); border-radius: 12px;
  font-size: 14.5px; cursor: pointer;
  transition: border-color .3s var(--ease), background-color .3s var(--ease);
}
.radio input { position: absolute; opacity: 0; width: 0; height: 0; }
.radio i {
  width: 18px; height: 18px; flex: none; border-radius: 50%;
  border: 1px solid var(--rose); position: relative;
  transition: border-color .3s var(--ease);
}
.radio i::after {
  content: ""; position: absolute; inset: 3.5px; border-radius: 50%;
  background: var(--rose-deep); transform: scale(0);
  transition: transform .25s var(--ease);
}
.radio:hover { border-color: var(--rose); }
.radio:has(input:checked) { border-color: var(--rose-deep); background: var(--rose-mist); }
.radio:has(input:checked) i::after { transform: scale(1); }
.radio:has(input:focus-visible) { outline: 2px solid var(--rose-deep); outline-offset: 2px; }

.form-note { font-size: 13px; line-height: 1.95; color: var(--ink-faint); }
.form-actions { display: grid; gap: 16px; justify-items: center; margin-top: 8px; }
.form-actions .btn { min-width: 260px; }

.form-status {
  padding: 16px 20px; border-radius: 12px; font-size: 14.5px; line-height: 1.9;
  display: none;
}
.form-status.is-visible { display: block; }
.form-status.is-ok   { background: #eef3ea; color: #46603a; border: 1px solid #cfdcc6; }
.form-status.is-err  { background: #fbeeeb; color: #9a4a38; border: 1px solid #eecfc7; }

/* 連絡先サイドカード */
.contact-aside {
  padding: clamp(28px, 3.4vw, 38px);
  background: var(--rose-mist); border-radius: var(--radius-lg);
  display: grid; gap: 26px;
}
.contact-aside h2 { font-size: 17px; font-weight: 500; letter-spacing: .14em; }
.info-list { display: grid; gap: 18px; }
.info-list > div { display: grid; gap: 6px; }
.info-list dt {
  font-family: var(--font-en); font-size: 10.5px; letter-spacing: .24em;
  text-transform: uppercase; color: var(--rose-deep);
}
.info-list dd { margin: 0; font-size: 15px; line-height: 1.8; word-break: break-word; }
.info-list a:hover { color: var(--rose-deep); text-decoration: underline; text-underline-offset: 4px; }
.info-list .tel { font-family: var(--font-en); font-size: 22px; letter-spacing: .04em; }

/* -------------------------------------------------------------------------
   16. フッター
   ------------------------------------------------------------------------- */
.site-footer { background: var(--ink); color: rgba(255,255,255,.78); }
.footer-main {
  display: grid; gap: clamp(40px, 5vw, 64px);
  padding-block: clamp(60px, 8vw, 90px);
}
@media (min-width: 880px) { .footer-main { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); } }

.footer-brand { display: grid; gap: 22px; justify-items: start; }
.footer-brand img { width: 92px; border-radius: 14px; }
.footer-brand .name { color: #fff; font-size: 19px; letter-spacing: .14em; line-height: 1.7; }
.footer-brand .name span {
  display: block; font-family: var(--font-en); font-size: 11px;
  letter-spacing: .28em; text-transform: uppercase; color: var(--rose); margin-bottom: 6px;
}

.sns { display: flex; gap: 12px; }
.sns a {
  width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,.26);
  transition: background-color .3s var(--ease), border-color .3s var(--ease), transform .3s var(--ease);
}
.sns a:hover { background: var(--rose-deep); border-color: var(--rose-deep); transform: translateY(-3px); }
.sns svg { width: 20px; height: 20px; fill: #fff; }

.footer-cols { display: grid; gap: 36px; }
@media (min-width: 560px) { .footer-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.footer-cols h3 {
  font-family: var(--font-en); font-size: 10.5px; letter-spacing: .26em;
  text-transform: uppercase; color: var(--rose); margin-bottom: 18px; font-weight: 400;
}
.footer-nav { display: grid; gap: 12px; }
.footer-nav a { font-size: 14.5px; transition: color .3s var(--ease), padding-left .3s var(--ease); }
.footer-nav a:hover { color: #fff; padding-left: 6px; }

.footer-info { display: grid; gap: 16px; font-size: 14.5px; }
.footer-info > div { display: grid; gap: 4px; }
.footer-info dt { font-size: 11px; letter-spacing: .18em; color: var(--rose); }
.footer-info dd { margin: 0; line-height: 1.8; }
.footer-info a:hover { color: #fff; }
.footer-info .tel { font-family: var(--font-en); font-size: 21px; letter-spacing: .04em; color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.13);
  padding-block: 26px;
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 14px;
  font-size: 12px; letter-spacing: .1em; color: rgba(255,255,255,.5);
}
.footer-bottom .credit { font-family: var(--font-en); letter-spacing: .16em; }

/* ページトップへ */
.to-top {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  width: 50px; height: 50px; border-radius: 50%;
  background: var(--ink); color: #fff; border: 0; cursor: pointer;
  display: grid; place-items: center;
  opacity: 0; visibility: hidden; transform: translateY(12px);
  box-shadow: var(--shadow);
  transition: opacity .35s var(--ease), visibility .35s var(--ease),
              transform .35s var(--ease), background-color .3s var(--ease);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--rose-deep); transform: translateY(-3px); }
.to-top svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 1.6; }

/* -------------------------------------------------------------------------
   17. スクロール演出
   ------------------------------------------------------------------------- */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .1s; }
.reveal[data-delay="2"] { transition-delay: .2s; }
.reveal[data-delay="3"] { transition-delay: .3s; }
.reveal[data-delay="4"] { transition-delay: .4s; }

/* -------------------------------------------------------------------------
   18. モバイル（〜900px）
   ------------------------------------------------------------------------- */
@media (max-width: 900px) {
  :root { --header-h: 66px; }
  body { font-size: 15px; line-height: 1.95; }

  .nav-toggle { display: block; }

  .gnav {
    position: fixed; inset: 0; z-index: 110;
    background: var(--cream);
    padding: calc(var(--header-h) + 30px) var(--gutter) 40px;
    overflow-y: auto;
    clip-path: circle(0% at calc(100% - 34px) 33px);
    transition: clip-path .6s var(--ease);
    visibility: hidden;
  }
  .gnav.is-open { clip-path: circle(150% at calc(100% - 34px) 33px); visibility: visible; }

  .gnav > ul { flex-direction: column; align-items: stretch; gap: 0; }
  .gnav > ul > li { border-bottom: 1px solid var(--line-soft); }
  .gnav a {
    display: flex; align-items: center; justify-content: space-between;
    padding: 20px 4px; font-size: 16px; letter-spacing: .12em;
    color: var(--ink) !important;
    opacity: 0; transform: translateY(14px);
  }
  .gnav a::after { display: none; }
  .gnav.is-open a { opacity: 1; transform: none; transition: opacity .5s var(--ease), transform .5s var(--ease); }
  .gnav.is-open li:nth-child(1) a { transition-delay: .14s; }
  .gnav.is-open li:nth-child(2) a { transition-delay: .19s; }
  .gnav.is-open li:nth-child(3) a { transition-delay: .24s; }
  .gnav.is-open li:nth-child(4) a { transition-delay: .29s; }
  .gnav.is-open li:nth-child(5) a { transition-delay: .34s; }
  .gnav.is-open li:nth-child(6) a { transition-delay: .39s; }
  .gnav.is-open li:nth-child(7) a { transition-delay: .44s; }

  .gnav .nav-cta { border-bottom: 0; margin-top: 28px; }
  .gnav .nav-cta a { justify-content: center; color: #fff !important; padding: 20px; border-radius: 999px; }

  .hero { min-height: 88svh; }
  .lesson-banner { aspect-ratio: 3 / 2; }
  .greeting-figure::before { inset: 14px -14px -14px 14px; }
  .teacher-figure .instrument { left: 14px; top: 14px; }
  .news-meta div { grid-template-columns: 72px minmax(0, 1fr); }
  .to-top { right: 14px; bottom: 14px; width: 44px; height: 44px; }
  .btn { min-height: 52px; padding: 0 26px; font-size: 14.5px; }
  .form-actions .btn { min-width: 100%; }
}

/* body スクロールロック（メニュー展開中） */
body.is-nav-open { overflow: hidden; }

/* -------------------------------------------------------------------------
   19. アクセシビリティ：動きを減らす設定
   ------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .hero-logo, .hero-title, .hero-sub, .hero-actions, .scroll-cue { opacity: 1; }
}

/* -------------------------------------------------------------------------
   20. 印刷
   ------------------------------------------------------------------------- */
@media print {
  .site-header, .to-top, .scroll-cue, .site-footer, .nav-toggle { display: none !important; }
  body { background: #fff; color: #000; }
  .section { padding-block: 24px; }
  .reveal { opacity: 1 !important; transform: none !important; }
}