@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600&family=Noto+Serif+JP:wght@400;500;600&display=swap');
:root{--bg:#f6f3ed;--paper:#fffcf7;--ink:#292d2a;--sub:#676a62;--gold:#a38c63;--line:#ddd9cf;--green:#263a33;--serif:"Noto Serif JP","Yu Mincho",serif;--sans:"Noto Sans JP","Yu Gothic",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:88px}body{margin:0;background:var(--bg);color:var(--ink);font:15px/2 var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible{outline:3px solid #a38c63;outline-offset:4px}.skip{position:absolute;top:-60px;left:10px;background:white;padding:8px;z-index:20}.skip:focus{top:8px}.site-header{background:rgba(255,252,247,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.header-inner{height:82px;max-width:1300px;margin:auto;padding:0 5%;display:flex;justify-content:space-between;align-items:center}.logo{text-decoration:none;display:flex;align-items:center;gap:12px;font:500 18px/1.35 var(--serif);letter-spacing:.08em}.logo small{display:block;font:9px/1.8 var(--sans);letter-spacing:.23em;color:var(--gold);margin-top:3px}.logo-mark{width:34px;height:34px;border:1px solid var(--gold);border-radius:50%;display:grid;place-items:center;color:var(--gold);font-size:18px}nav{display:flex;align-items:center;gap:30px}nav a{text-decoration:none;font-size:12px;white-space:nowrap}nav a:hover,.footer a:hover{color:var(--gold)}.nav-contact{border:1px solid var(--green);padding:9px 16px}.nav-contact span{padding-left:10px}.hero{min-height:620px;display:grid;grid-template-columns:1fr 48%;position:relative;overflow:hidden;background:#f0ebe1}.hero-copy{padding:120px 6% 95px max(8%,calc((100vw - 1150px)/2));z-index:1}.overline,.kicker{font-size:11px;letter-spacing:.23em;color:var(--gold);font-weight:600}.overline{display:flex;align-items:center;gap:14px;white-space:nowrap}.line{display:inline-block;width:30px;height:1px;background:var(--gold)}.hero h1{font:400 clamp(36px,4.3vw,65px)/1.65 var(--serif);letter-spacing:.06em;margin:30px 0 23px;white-space:nowrap}.hero h1 em{font-style:normal;color:#806d4d}.hero-desc{font-size:14px;color:#555a52;line-height:2.4}.primary-button{display:inline-flex;align-items:center;gap:50px;background:var(--green);color:white;text-decoration:none;padding:14px 23px;font-size:12px;margin-top:26px}.primary-button:hover{background:#395447}.hero-sub{font-size:11px;letter-spacing:.08em;color:#73776e;margin-top:70px}.dot{padding:0 9px}.hero-art{position:relative;background:linear-gradient(155deg,#394d43,#20352f);display:flex;align-items:center;justify-content:center;overflow:hidden}.art-frame{height:74%;width:77%;border:1px solid rgba(223,209,176,.43);position:relative;z-index:2;display:flex;flex-direction:column;justify-content:space-between;padding:25px}.art-label{font-size:10px;letter-spacing:.25em;color:#d6c9a7}.art-corner{align-self:end;font-size:10px;letter-spacing:.2em;color:#d6c9a7}.art-halo{position:absolute;width:490px;height:490px;border:1px solid rgba(220,203,160,.14);border-radius:50%;transform:translate(30%,-25%);box-shadow:0 0 0 75px rgba(220,203,160,.035),0 0 0 150px rgba(220,203,160,.02)}.piano-illustration{position:relative;width:100%;max-width:410px;aspect-ratio:2.5/1;margin:auto;transform:rotate(-11deg);box-shadow:15px 22px 35px rgba(0,0,0,.26)}.keys{display:grid;grid-template-columns:repeat(12,1fr);height:100%;border:7px solid #1a2420;background:#1a2420}.keys i{display:block;background:linear-gradient(90deg,#f7f5ee,#e4e0d5);border-right:2px solid #1c2421;border-bottom:5px solid #d1ccc0}.black-keys{position:absolute;top:7px;left:7px;right:7px;height:58%}.black-keys b{position:absolute;left:var(--x);width:5.2%;height:100%;background:linear-gradient(90deg,#111814,#34413b,#0b120f);border-radius:0 0 3px 3px;box-shadow:2px 3px 3px #0007}.vertical-note{position:absolute;right:14px;bottom:25px;color:#e2d6ba;font-size:9px;letter-spacing:.23em;writing-mode:vertical-rl}.ticker{height:65px;display:flex;justify-content:center;align-items:center;gap:45px;background:var(--paper);border-bottom:1px solid var(--line);font:10px/1 var(--sans);letter-spacing:.22em;color:#91846e}.separator{font-size:17px;color:var(--gold)}.section{max-width:1120px;margin:0 auto;padding:110px 5%}.section-heading{margin-bottom:42px}.section-heading h2{font:400 clamp(27px,3vw,38px)/1.5 var(--serif);letter-spacing:.1em;margin:12px 0}.section-heading p{font-size:13px;color:var(--sub);margin:10px 0 0}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:8%;align-items:center}.about-lead{font:400 clamp(29px,3.5vw,47px)/1.85 var(--serif);letter-spacing:.1em}.about-lead span{color:var(--gold)}.about-body p{font-size:14px;color:#555a52;line-height:2.5}.teacher{border-top:1px solid var(--line);margin-top:34px;padding-top:20px;display:flex;align-items:center;gap:25px}.teacher span{font-size:10px;letter-spacing:.18em;color:var(--gold)}.teacher strong{font:500 17px var(--serif)}.lessons-section{max-width:none;background:#ede9e1;padding-left:max(5%,calc((100vw - 1010px)/2));padding-right:max(5%,calc((100vw - 1010px)/2))}.lesson-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.info-card{background:var(--paper);padding:38px 42px 32px;min-height:330px}.card-number{font-size:11px;letter-spacing:.12em;color:var(--gold)}.info-card h3{font:500 22px var(--serif);margin:14px 0 24px}.card-big{margin:8px 0;font-size:15px}.card-big strong{font:400 37px var(--serif);padding-left:8px}.card-big small{font-size:14px;padding-left:4px}.fine{font-size:12px;color:var(--sub);line-height:2}.info-card .fine{border-top:1px solid var(--line);padding-top:17px;margin-top:22px}.schedule-row{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:9px 0}.schedule-row strong{font-size:19px;font-weight:500;letter-spacing:.2em}.fee-wrap{background:var(--paper);border:1px solid var(--line);max-width:850px;margin:auto}.fee-top{display:flex;justify-content:space-between;padding:17px 35px;background:var(--green);color:#f2e9d5;font-size:10px;letter-spacing:.18em}.fee-row{display:flex;justify-content:space-between;align-items:center;padding:20px 35px;border-bottom:1px solid var(--line)}.fee-row strong{font:400 27px var(--serif);letter-spacing:.03em}.fee-notes{padding:24px 35px}.fee-notes p{font-size:12px;color:var(--sub);margin:6px 0}.consideration{display:flex;align-items:start;gap:20px;max-width:850px;margin:26px auto 0;background:#ece6d9;padding:16px 28px}.consideration span{font-size:20px;color:var(--gold)}.consideration p{margin:0;font-size:12px;color:#60655e}.events-section{padding-top:85px}.event-list{border-top:1px solid var(--line)}.event-row{display:grid;grid-template-columns:75px 1fr 220px;align-items:center;border-bottom:1px solid var(--line);padding:22px 15px}.event-no{font:12px var(--serif);color:var(--gold)}.event-row strong{font:500 19px var(--serif)}.event-row>span:last-child{color:var(--sub);font-size:13px}.event-foot{text-align:right}.notice-section[hidden]{display:none}.news-item{display:flex;gap:35px;border-bottom:1px solid var(--line);padding:15px}.news-item time{color:var(--gold);white-space:nowrap;font-size:12px}.news-item p{margin:0}.contact-section{background:var(--green);color:white;text-align:center;padding:100px 20px}.contact-inner{max-width:750px;margin:auto}.contact-section .kicker{color:#c9b994}.contact-section h2{font:400 clamp(29px,3.6vw,46px)/1.7 var(--serif);letter-spacing:.1em;margin:20px 0}.contact-section p{font-size:14px;color:#e2e8df;line-height:2.5}.line-button{margin:25px auto 8px;max-width:360px;display:flex;align-items:center;justify-content:center;gap:13px;background:#fffdf8;color:var(--green);text-decoration:none;padding:15px 22px;font-size:14px;font-weight:600}.line-button>span:last-child{margin-left:auto}.line-icon{font:700 10px var(--sans);background:#06c755;color:white;border-radius:6px;padding:4px 6px}.contact-section .contact-fine{font-size:11px;color:#bac8bc}.footer{background:#f0ede6}.footer-inner{max-width:1120px;margin:auto;padding:55px 5%;display:flex;justify-content:space-between;gap:30px}.footer-brand{text-decoration:none;font:500 20px var(--serif)}.footer-inner p{font-size:12px;color:var(--sub)}.footer-links{display:flex;align-items:center;gap:25px}.footer-links a{font-size:12px;text-decoration:none}.copyright{text-align:center;border-top:1px solid var(--line);padding:17px;font-size:11px;color:var(--sub)}
@media(max-width:900px){.hero{grid-template-columns:1fr 43%}.hero-copy{padding:95px 7%}.hero h1{font-size:40px}.art-frame{width:87%;height:67%}nav{gap:15px}.section{padding:85px 6%}.lessons-section{padding-left:6%;padding-right:6%}}
@media(max-width:650px){.header-inner{height:72px;padding:0 5%}.logo{font-size:15px;gap:7px}.logo-mark{width:27px;height:27px;font-size:14px}.logo small{font-size:7px}nav{gap:12px}nav a:not(.nav-contact){display:none}.nav-contact{padding:8px 10px;font-size:11px}.nav-contact span{padding-left:4px}.hero{grid-template-columns:1fr;min-height:auto}.hero-copy{padding:75px 7% 60px}.hero h1{font-size:clamp(33px,9vw,46px);white-space:normal;margin:25px 0}.hero-desc{font-size:13px}.hero-sub{margin-top:43px}.hero-art{min-height:280px}.art-frame{height:220px;width:77%;padding:15px}.art-label{font-size:8px}.vertical-note{display:none}.ticker{gap:14px;height:50px;font-size:8px;letter-spacing:.08em}.ticker span:last-child{display:none}.section{padding:75px 7%}.about-grid,.lesson-grid{grid-template-columns:1fr;gap:25px}.about-lead{font-size:31px}.about-body p{font-size:13px}.info-card{padding:30px 25px;min-height:auto}.fee-top{padding:14px 20px}.fee-row{padding:18px 20px}.fee-row strong{font-size:23px}.fee-notes{padding:20px}.consideration{padding:18px}.event-row{grid-template-columns:40px 1fr 105px;padding:18px 3px}.event-row strong{font-size:16px}.event-row>span:last-child{font-size:12px}.contact-section{padding:75px 7%}.contact-section p{font-size:13px}.footer-inner{flex-direction:column;padding:40px 7%;gap:20px}.footer-links{flex-direction:column;align-items:flex-start;gap:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}


/* Accessibility refinements: stronger contrast and larger mobile typography */
:root{--gold:#806840;--sub:#4d534d}
body{font-size:16px}
.overline,.kicker{color:#79613b;font-size:12px}
.hero-desc,.about-body p{color:#3e4840;font-size:16px}
.hero-sub{color:#4e554d;font-size:13px}
.hero h1 em{color:#675231}
.art-label,.art-corner,.vertical-note{color:#f1e5c7}
.ticker{color:#62573f;font-size:11px}
.section-heading p,.fine,.fee-notes p,.footer-inner p,.copyright{color:#4d534d;font-size:13px}
.info-card .fine{color:#485149}
.card-number,.teacher span,.event-no{color:#755d38}
.primary-button{color:#fff!important;background:#263a33!important;font-size:14px;font-weight:600;border:1px solid #263a33}
.primary-button:hover{background:#344c40!important}
.nav-contact{color:#263a33}
.fee-row{font-size:17px}
.schedule-row{font-size:16px}
.consideration p{color:#444a43;font-size:14px}
.contact-section p{color:#f3f4ef;font-size:15px}
.contact-section .kicker{color:#e2cfaa}
.contact-section .contact-fine{color:#e2e9df;font-size:12px}
.line-button{color:#20372d!important;background:#fffdf8!important;font-size:16px}
.footer-links a{font-size:14px}
@media(max-width:650px){
 body{font-size:16px;line-height:1.95}
 .logo{font-size:16px}
 .hero-desc{font-size:15px;line-height:2.05}
 .hero-sub{font-size:13px}
 .hero h1{font-size:clamp(33px,8.7vw,46px)}
 .overline{font-size:11px;letter-spacing:.12em}
 .primary-button{font-size:15px;padding:16px 22px;min-height:52px}
 .section-heading h2{font-size:31px}
 .section-heading p{font-size:14px}
 .about-body p{font-size:15px;line-height:2.25}
 .info-card h3{font-size:23px}
 .info-card .fine{font-size:13px}
 .card-big{font-size:16px}
 .fee-row{font-size:16px}
 .fee-row strong{font-size:25px}
 .fee-notes p{font-size:13px;line-height:1.95}
 .event-row>span:last-child{font-size:13px}
 .contact-section p{font-size:15px}
 .line-button{font-size:16px;min-height:56px}
 .footer-inner p{font-size:13px}
}