/* 色と書体はsite.jsonからビルド時に生成されます。配置・余白の調整はこのファイルで行います。 */
:root {
  --background: #F7F4ED;
  --text: #242924;
  --primary: #284B3B;
  --muted: #596158;
  --button-text: #FFFFFF;
  --accent: #A88B58;
  --font-heading: "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --font-body: "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
  --heading-weight: 500;
}
:root{--reveal-duration:600ms;--reveal-distance:18px;--reveal-easing:cubic-bezier(0.22, 1, 0.36, 1);--faq-duration:260ms;--hover-duration:180ms;--parallax-distance:10px;}
:root {
  /* 背景の薄い色と区切り線も店舗の基本配色から作るため、色変更はsite.jsonだけで行えます。 */
  --surface: color-mix(in srgb, var(--primary) 4%, var(--background));
  --surface-strong: color-mix(in srgb, var(--primary) 7%, var(--background));
  --line: color-mix(in srgb, var(--primary) 20%, var(--background));
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: 24px; }
body { margin: 0; background: var(--background); color: var(--text); font-family: var(--font-body); font-size: 16px; line-height: 1.85; font-weight: 400; overflow-wrap: anywhere; }
button, input { font: inherit; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 5px; }
a, button { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
[hidden] { display: none !important; }
img { display: block; width: 100%; height: auto; }
h1, h2, h3, p, figure, dl { margin: 0; }
h1, h2 { font-family: var(--font-heading); font-weight: var(--heading-weight); letter-spacing: .035em; line-height: 1.65; }
h1 { font-size: clamp(32px, 5vw, 36px); }
h2 { font-size: clamp(26px, 4vw, 30px); }
h3 { font-size: 18px; font-weight: 600; line-height: 1.75; }
h1 span, h2 span { display: block; text-wrap: balance; }
p + p { margin-top: 20px; }
:focus-visible { outline: 3px solid var(--primary); outline-offset: 5px; }
h1:focus, h2:focus, main:focus { outline: none; }
h1:focus-visible, h2:focus-visible, main:focus-visible { outline: 3px solid var(--primary); outline-offset: 5px; }
.container { width: min(100% - 40px, 1160px); margin-inline: auto; }
.section { padding-block: 72px; }
.section-label, .eyebrow { color: var(--primary); font-size: 14px; font-weight: 600; letter-spacing: .12em; }
.section-label { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.section-label::before { content: ""; width: 28px; height: 1px; background: var(--accent); }
.small-text, .image-notice { font-size: 14px; color: var(--muted); line-height: 1.85; }
.skip-link { position: fixed; z-index: 10; top: 12px; left: 16px; padding: 12px 18px; background: var(--background); border: 1px solid var(--primary); transform: translateY(-200%); }
.skip-link:focus { transform: translateY(0); }
.demo-banner { border-bottom: 1px solid var(--line); }
.demo-banner .container { display: flex; align-items: baseline; flex-wrap: wrap; gap: 2px 18px; padding-block: 10px; }
.demo-banner span { font-size: 14px; letter-spacing: .08em; color: var(--primary); font-weight: 600; }
.demo-banner p { font-size: 14px; color: var(--muted); }
.site-header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 22px; padding-block: 22px; }
.brand { display: inline-flex; flex-direction: column; text-decoration: none; }
.brand-jp { font-family: var(--font-heading); font-size: 20px; letter-spacing: .08em; line-height: 1.6; }
.brand-jp ruby { font-size: 27px; }
.brand-jp rt { font-family: var(--font-body); font-size: 14px; letter-spacing: .1em; }
.brand-en { font-size: 14px; letter-spacing: .1em; line-height: 1.6; }
.site-navigation { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 24px; width: 100%; }
.nav-link { font-size: 14px; padding-block: 12px; text-decoration: none; border-bottom: 1px solid transparent; }
.menu-toggle { display: none; align-items: center; gap: 10px; min-height: 48px; padding: 8px 0 8px 12px; border: 0; background: transparent; color: var(--primary); font-size: 14px; }
.menu-mark { width: 22px; height: 8px; border-top: 1px solid currentColor; border-bottom: 1px solid currentColor; }
.menu-toggle[aria-expanded="true"] .menu-mark { height: 0; border-bottom: 0; }
.button { display: inline-flex; justify-content: space-between; align-items: center; gap: 28px; min-height: 52px; padding: 12px 22px; background: var(--primary); color: var(--button-text); border: 1px solid var(--primary); border-radius: 4px; font-size: 15px; font-weight: 600; line-height: 1.6; text-decoration: none; transition: background-color .2s ease, color .2s ease; }
.button span { font-size: 20px; line-height: 1; font-weight: 400; }
.hero { padding-top: 32px; padding-bottom: 32px; display: grid; gap: 32px; }
.hero-copy .eyebrow { margin-bottom: 20px; letter-spacing: .08em; }
.hero-intro { margin-top: 24px; max-width: 29em; }
.hero-copy .button { margin-top: 28px; }
.hero .image-notice { margin-top: -16px; max-width: 70em; }
/* 仮画像枠。画像配置後も同じ比率を保ち、写真を切り取らず全体を見せます。 */
.image-placeholder { aspect-ratio: var(--image-ratio); display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 12px; background: var(--surface-strong); border: 1px solid var(--line); text-align: center; padding: 28px 18px; color: var(--muted); }
.image-placeholder .placeholder-name { font-family: var(--font-heading); font-size: 20px; }
.image-placeholder .placeholder-label, .image-placeholder .placeholder-key { font-size: 14px; }
.image-placeholder::before { content: ""; width: 40px; height: 1px; background: var(--accent); margin-bottom: 8px; }
.photo img { aspect-ratio: var(--image-ratio); object-fit: contain; background: var(--surface-strong); }
.photo figcaption { margin-top: 10px; font-size: 14px; color: var(--muted); }
.approach { display: grid; gap: 36px; }
.approach-copy { grid-row: 1; }
.approach-points { list-style: none; padding: 0; margin: 32px 0 0; counter-reset: approach; }
.approach-points li { position: relative; padding-left: 40px; counter-increment: approach; }
.approach-points li::before { content: "0" counter(approach); position: absolute; left: 0; top: 3px; color: var(--primary); font-size: 14px; }
.approach-points li + li { margin-top: 28px; }
.approach-points p { margin-top: 8px; }
.lesson-band { background: var(--surface); }
.lesson-grid { display: grid; gap: 36px; }
.facts { margin-top: 28px; }
.fact-row { display: grid; grid-template-columns: minmax(96px, .7fr) minmax(0, 1.8fr); gap: 16px; padding-block: 16px; border-bottom: 1px solid var(--line); }
.facts dt { font-size: 14px; color: var(--muted); }
.facts dd { margin: 0; }
.facts + .small-text { margin-top: 12px; }
.lesson-contents { list-style: none; padding: 0; margin: 28px 0 18px; }
.lesson-contents li { display: flex; align-items: baseline; gap: 12px; }
.lesson-contents li::before { content: ""; flex: 0 0 16px; height: 1px; background: var(--accent); }
.lesson-contents li + li { margin-top: 10px; }
.teacher { display: grid; gap: 36px; }
.teacher-name { font-family: var(--font-heading); font-size: 24px; margin-top: 28px; margin-bottom: 24px; }
.teacher-name span { display: block; font-family: var(--font-body); font-size: 14px; color: var(--muted); margin-top: 5px; }
.teacher-copy > p:not(.teacher-name):not(.section-label) { max-width: 34em; }
.teacher-photo { max-width: 520px; }
.fees { display: grid; gap: 32px; border-top: 1px solid var(--line); }
.section-intro > p:last-child { margin-top: 24px; }
.fee-row { border-bottom: 1px solid var(--line); padding-block: 20px; }
.fee-row:first-child { padding-top: 0; }
.fee-row dt { color: var(--muted); font-size: 14px; }
.fee-row dd { margin: 8px 0 0; }
.fee-main { font-size: 16px; color: var(--primary); }
.fee-main strong { font-family: var(--font-heading); font-weight: 500; font-size: 42px; letter-spacing: .015em; margin-right: 10px; }
.fees-list > p { margin-top: 20px; }
.trial-band { background: var(--surface-strong); }
.trial-intro { display: grid; gap: 28px; }
.trial-steps { padding: 0; margin: 40px 0 0; list-style: none; counter-reset: trial; }
.trial-steps li { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 16px; padding-block: 24px; border-top: 1px solid var(--line); counter-increment: trial; }
.trial-steps li::before { content: "0" counter(trial); font-family: var(--font-heading); font-size: 28px; line-height: 1.4; color: var(--primary); }
.trial-steps p { font-size: 16px; margin-top: 8px; }
.step-duration { display: block; font-size: 14px; color: var(--muted); margin-top: 4px; }
.trial-notice { border-left: 2px solid var(--primary); padding-left: 18px; font-size: 14px; margin-top: 26px; }
.faq { display: grid; gap: 32px; }
.faq-item { padding-block: 24px; border-top: 1px solid var(--line); }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-item h3 { display: flex; gap: 16px; }
.faq-q { font-family: var(--font-heading); color: var(--primary); font-size: 22px; font-weight: 500; }
.faq-item p { margin-top: 12px; margin-left: 34px; }
.info { display: grid; gap: 40px; border-top: 1px solid var(--line); }
.schedule-slot { display: flex; flex-wrap: wrap; gap: 4px 18px; }
.schedule-slot + .schedule-slot { margin-top: 6px; }
.closing { padding-top: 8px; }
.closing > p:first-child { font-family: var(--font-heading); font-size: 24px; line-height: 1.8; color: var(--primary); }
.closing .button { margin-top: 28px; }
.closing .small-text { margin-top: 20px; }
.site-footer { border-top: 1px solid var(--line); padding-block: 40px; }
.site-footer > .container { display: grid; gap: 28px; }
.site-footer p { font-size: 14px; color: var(--muted); }
.footer-note { margin-top: 14px; }
.not-found { padding-block: 80px; max-width: 680px; }
.not-found > p, .not-found .button { margin-top: 28px; }
/* 初回描画から閉状態。JSなしはリンク一覧、960px以上は常にPCナビを表示します。 */
@media (max-width: 959px) {
  .menu-enabled .menu-toggle { display: flex; }
  .menu-enabled .menu-toggle[aria-expanded="false"] + .site-navigation { display: none; }
}
@media (hover: hover) { .button:hover { background: var(--background); color: var(--primary); } .nav-link:hover { border-bottom-color: var(--primary); } }
@media (max-width: 359px) { .container { width: calc(100% - 32px); } .site-header { gap: 10px; } .brand-jp { font-size: 18px; } .brand-jp ruby { font-size: 24px; } .image-placeholder { padding-inline: 12px; } }
@media (min-width: 768px) { .hero-copy { max-width: 640px; } .trial-steps { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 32px; } }
@media (min-width: 960px) {
  .container { width: min(100% - 96px, 1160px); }
  .section { padding-block: 112px; }
  h1 { font-size: 48px; letter-spacing: .015em; }
  h2 { font-size: clamp(32px, 2.7vw, 38px); }
  .site-header { flex-wrap: nowrap; padding-block: 28px; }
  .site-navigation { width: auto; flex-wrap: nowrap; gap: 24px; }
  .site-navigation .button { padding-inline: 18px; font-size: 14px; gap: 20px; }
  .hero { grid-template-columns: minmax(0, 45fr) minmax(0, 55fr); column-gap: 24px; row-gap: 24px; padding-block: 40px 48px; align-items: start; }
  .hero-copy { padding-top: 10px; }
  .hero-visual { padding-top: 72px; }
  .hero-intro { max-width: 26em; }
  .hero .image-notice { grid-column: 1 / -1; margin-top: 0; }
  .approach { grid-template-columns: minmax(0, 48fr) minmax(0, 52fr); gap: 72px; align-items: center; }
  .approach-copy { grid-row: auto; }
  .approach-photo { margin-top: 60px; }
  .lesson-grid { grid-template-columns: minmax(0, 42fr) minmax(0, 58fr); gap: 64px; align-items: center; }
  .teacher { grid-template-columns: minmax(0, 56fr) minmax(0, 44fr); gap: 88px; align-items: center; }
  .teacher-photo { padding-top: 64px; }
  .fees { grid-template-columns: minmax(0, 42fr) minmax(0, 58fr); gap: 72px; }
  .fee-row:not(:first-child) { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: 20px; }
  .fee-row:not(:first-child) dd { margin: 0; }
  .trial-intro { grid-template-columns: minmax(0, 45fr) minmax(0, 55fr); gap: 72px; }
  .trial-steps { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px; margin-top: 56px; }
  .trial-steps li { display: block; }
  .trial-steps h3 { margin-top: 18px; }
  .faq { grid-template-columns: minmax(0, 37fr) minmax(0, 63fr); gap: 64px; }
  .info { grid-template-columns: minmax(0, 45fr) minmax(0, 55fr); gap: 88px; }
  .closing { align-self: center; }
  .closing > p:first-child { font-size: 28px; }
  .site-footer > .container { grid-template-columns: 1fr 1fr; align-items: end; gap: 64px; }
}
/* OSで「動きを減らす」が有効な場合は滑らかなスクロールと色のアニメーションを止めます。 */
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }

/* 共通部品の動きはsite.json→CSS変数で調整します。標準ではplusの演出を持ちません。 */
button,input,textarea { font: inherit; }
textarea,input { min-width:0; width:100%; border:1px solid var(--line); border-radius:3px; background:var(--background); color:var(--text); padding:12px; }
textarea { resize:vertical; }
.site-header { position:sticky; top:0; z-index:20; background:var(--background); transition:box-shadow var(--hover-duration) ease,transform var(--hover-duration) ease; }
.site-header.is-scrolled { box-shadow:0 10px 16px -18px var(--text); }
.skip-link { z-index:80; }
.button { transition:background-color var(--hover-duration) ease,color var(--hover-duration) ease,transform var(--hover-duration) ease; }
.button:hover { transform:translateY(-2px); }
.hero-slideshow { transform:translateY(var(--parallax-y,0px)); }
.hero-slide .photo img { aspect-ratio:3 / 2; object-fit:contain; }
.site-ready[data-motion="true"] .hero-visual { animation:hero-fade var(--reveal-duration) var(--reveal-easing) both; }
[data-reveal] { opacity:1; transform:none; transition:opacity var(--reveal-duration) var(--reveal-easing), transform var(--reveal-duration) var(--reveal-easing); }
.reveal-pending { opacity:0; transform:translateY(var(--reveal-distance)); }
[data-reveal]:focus-within { opacity:1; transform:none; }
.lesson-photo { border-radius:2px; overflow:hidden; }
.teacher-photo { max-width:472px; }
.teacher-photo img { border-radius:50% 50% 4px 4px; }
.voices-band { background:var(--surface); }
.voices-heading { margin-bottom:32px; }
.voices-heading .small-text { margin-top:16px; }
.voices-grid { display:grid; gap:24px; }
.voice-card { padding:28px; border:1px solid var(--line); background:var(--background); }
.voice-card blockquote { margin:0; }
.voice-card figcaption { margin-top:24px; font-size:14px; color:var(--muted); }
.fees { padding-block:72px; }
.trial-band .container > .button { margin-top:32px; }
.faq-item { overflow:visible; }
.faq-item summary { display:flex; align-items:baseline; gap:16px; cursor:pointer; list-style:none; }
.faq-item summary::-webkit-details-marker { display:none; }
.faq-sign { margin-left:auto; font-size:20px; flex-shrink:0; }
.faq-item[open] .faq-sign { transform:rotate(45deg); }
.faq-animating { overflow:hidden; }
.faq-item p { margin-right:16px; }
.map-frame { margin-top:28px; }
.map-frame iframe { display:block; width:100%; height:250px; border:1px solid var(--line); }
.map-frame .small-text { margin-top:8px; }
.contact-band { background:var(--surface-strong); }
.contact-grid { display:grid; gap:40px; }
.contact-intro { margin-top:24px; }
.contact-form { background:var(--background); padding:24px; border:1px solid var(--line); }
.form-fields { display:grid; gap:20px; margin-block:24px; }
.form-field label { display:block; margin-bottom:8px; }
.form-field label span { font-size:12px; color:var(--muted); margin-left:8px; }
.form-result { font-size:14px; color:var(--primary); margin-top:16px; }
.line-button { margin-block:28px 12px; background:var(--background); color:var(--primary); }
.fixed-cta { position:fixed; z-index:30; bottom:0; left:0; right:0; padding:10px 20px max(10px,env(safe-area-inset-bottom)); background:var(--background); border-top:1px solid var(--line); box-shadow:0 -6px 24px #00000008; }
.fixed-cta .button { display:flex; width:100%; }
[data-motion="true"] .fixed-cta:not([hidden]) { animation:cta-enter var(--faq-duration) var(--reveal-easing) both; }
.variant-link { display:inline-block; margin-top:16px; font-size:14px; }
.plus-banner { display:flex; flex-wrap:wrap; gap:12px; justify-content:space-between; border-bottom:1px solid var(--line); padding-block:14px; }
.plus-banner p { font-size:14px; color:var(--primary); }
.plus-banner span { display:block; font-size:12px; }
.plus-banner a { font-size:14px; }
.hero-visual { position:relative; }
.slide-controls { display:none; position:absolute; inset:0; pointer-events:none; }
.site-ready .slide-controls { display:block; }
.slide-controls button { pointer-events:auto; border:0; background:var(--background); color:var(--primary); min-width:44px; min-height:44px; padding:0; box-shadow:0 2px 10px #18241d24; }
.slide-arrow { position:absolute; top:50%; transform:translateY(-50%); border-radius:50%; display:grid; place-content:center; }
.slide-previous { left:10px; }
.slide-next { right:10px; }
.slide-arrow span { display:block; width:9px; height:9px; border-top:2px solid currentColor; border-right:2px solid currentColor; }
.slide-previous span { transform:rotate(-135deg); margin-left:4px; }
.slide-next span { transform:rotate(45deg); margin-right:4px; }
.slide-toolbar { position:absolute; bottom:10px; left:50%; transform:translateX(-50%); display:flex; align-items:center; gap:2px; background:var(--background); border-radius:24px; box-shadow:0 2px 10px #18241d24; padding:0 4px; }
.slide-dots { display:flex; }
.slide-controls .slide-dot,.slide-controls .slide-pause { background:transparent; box-shadow:none; display:grid; place-content:center; border-radius:50%; }
.slide-dot span { width:7px; height:7px; border-radius:50%; border:1px solid var(--primary); }
.slide-dot[aria-pressed="true"] span { background:var(--primary); }
.slide-pause span { width:10px; height:12px; border-inline:3px solid currentColor; }
.slide-pause[aria-pressed="true"] span { width:0; height:0; border:0; border-left:10px solid currentColor; border-block:6px solid transparent; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip-path:inset(50%); white-space:nowrap; border:0; }
.plus-notice .container { flex-wrap:nowrap; align-items:center; gap:12px; padding-block:8px; }
.plus-notice p { font-size:12px; line-height:1.6; }
.plus-notice a { flex-shrink:0; font-size:12px; }
.plus-statistics { padding-block:40px; border-block:1px solid var(--line); }
.statistics-grid { display:flex; justify-content:center; flex-wrap:wrap; gap:48px; }
.statistics-notice { text-align:center; font-size:12px; color:var(--muted); margin-bottom:20px; }
.plus-statistics strong { font-family:var(--font-heading); font-weight:500; font-size:40px; margin-right:8px; }
.plus-statistics p:last-child { font-size:14px; color:var(--muted); }
.gallery-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:16px; margin-top:32px; }
.gallery-item { padding:0; border:0; background:transparent; text-align:left; color:var(--text); }
.gallery-item > span { display:block; padding-block:10px; font-size:14px; }
.gallery-item img { aspect-ratio:4 / 3; object-fit:cover; }
.gallery-dialog { width:min(900px,calc(100% - 32px)); max-height:90dvh; padding:20px; border:1px solid var(--line); background:var(--background); color:var(--text); }
.gallery-dialog::backdrop { background:#18241dcc; }
.gallery-dialog img { max-height:70dvh; object-fit:contain; width:100%; }
.dialog-close { display:block; margin:0 0 12px auto; min-height:44px; background:transparent; border:1px solid var(--line); padding:8px 14px; color:var(--primary); }
.gallery-dialog p { font-size:14px; margin-top:12px; }
.motion-plus.site-ready[data-motion="true"][data-plus-copy="true"] .hero-copy h1 { animation:copy-enter var(--reveal-duration) var(--reveal-easing) both; }
@keyframes hero-fade { from{opacity:.35} to{opacity:1} }
@keyframes cta-enter { from{transform:translateY(12px);opacity:0} to{transform:none;opacity:1} }
@keyframes copy-enter { from{transform:translateY(12px);opacity:.4} to{transform:none;opacity:1} }
@media(max-width:959px) {
 html { scroll-padding-top:115px; }
 .site-header { padding-block:14px; }
 .site-header.is-hidden:not(:focus-within) { transform:translateY(-100%); }
 .brand-jp ruby { font-size:24px; }
 .brand-en { font-size:12px; }
 .hero { gap:20px; padding-top:20px; }
 .hero-copy { display:contents; }
 .hero-copy .eyebrow { grid-row:1; margin:0; }
 .hero-copy h1 { grid-row:2; font-size:30px; }
 .hero-visual { grid-row:3; }
 .hero-intro { grid-row:4; margin:0; }
 .hero-copy > .button { grid-row:5; margin:0; justify-self:start; }
 .site-footer { padding-bottom:130px; }
 .contact-form .button { width:100%; gap:12px; }
}
@media(min-width:768px) { .voices-grid { grid-template-columns:repeat(2,minmax(0,1fr)); } .form-fields { grid-template-columns:repeat(2,minmax(0,1fr)); } .form-wide { grid-column:1 / -1; } }
@media(min-width:960px) {
 html { scroll-padding-top:155px; }
 .hero-visual { padding-top:48px; }
 .slide-controls { top:48px; }
 .voices-heading { display:grid; grid-template-columns:1fr 1fr; gap:0 64px; align-items:center; }
 .voices-heading .section-label { grid-column:1 / -1; }
 .contact-grid { grid-template-columns:36fr 64fr; gap:64px; }
 .contact-form { padding:40px; }
 .fees { padding-block:112px; }
 .teacher-photo { padding-top:0; }
 .gallery-grid { grid-template-columns:repeat(3,minmax(0,1fr)); }
 .fixed-cta { display:none; }
}
@media(prefers-reduced-motion:reduce) {
 *,*::before,*::after { animation:none!important; transition:none!important; scroll-behavior:auto!important; }
 [data-reveal],.reveal-pending { opacity:1!important; transform:none!important; }
 .hero-slideshow,.button:hover { transform:none!important; }
}

[data-motion="false"] [data-reveal] { transition:none; }
[data-motion="false"] .button:hover { transform:none; }