@charset "UTF-8";
:root{--ink:#342e4e;--violet:#595079;--mint:#dbece8;--cream:#f7f4e9;--line:#a9b8b8;--rose:#cd7e85}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font-family:"Hiragino Mincho ProN","Yu Mincho",serif;line-height:1.8}a{color:inherit}img{display:block;max-width:100%}button{font:inherit}:focus-visible{outline:3px solid #8b315f;outline-offset:4px}.skip{position:absolute;top:-100px;left:1rem;z-index:10;background:#fff;padding:.7rem}.skip:focus{top:1rem}.demo-banner{display:flex;justify-content:space-between;gap:1rem;background:var(--ink);color:white;padding:.45rem 3vw;font:700 .61rem Arial,sans-serif;letter-spacing:.14em}.header{display:flex;justify-content:space-between;align-items:center;gap:1.5rem;padding:1rem 3vw;min-height:100px;background:var(--mint)}.brand{display:flex;align-items:center;gap:.6rem;font-size:1.8rem;text-decoration:none;letter-spacing:.15em}.brand-mark{font-size:3rem;line-height:1;color:var(--rose)}.brand small{display:block;font:700 .41em Arial,sans-serif;letter-spacing:.2em}.header nav{display:flex;gap:2.5rem}.header nav a,.back-list{text-decoration:none;font-size:.77rem}.header nav a:hover,.back-list:hover{text-decoration:underline;text-underline-offset:5px}.back-list{white-space:nowrap}.hero{position:relative;display:grid;grid-template-columns:52% 48%;min-height:760px;overflow:hidden;background:var(--mint)}.staff-lines{position:absolute;inset:5% 0 0;background:repeating-linear-gradient(0deg,transparent 0 32px,#837b9b55 33px 34px,transparent 35px 68px);opacity:.5;transform:skewY(-7deg);pointer-events:none}.music-note{position:absolute;color:var(--rose);font-size:4rem;animation:float 7s ease-in-out infinite alternate}.music-note.one{left:13%;top:25%}.music-note.two{left:54%;top:9%;animation-delay:1.3s}.music-note.three{left:83%;top:63%;animation-delay:2.6s}@keyframes float{to{transform:translateY(-30px) rotate(12deg)}}.hero-copy{position:relative;z-index:2;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding:5rem 5vw}.opus,.hero-coda,.hero-image>span,.keyboard-intro>span,.keyboard-area>p,.courses-heading>span,.practice-copy>span,.practice-image>span,.try-title>span,.trial-card>span,.coda>span,footer{font-family:Arial,sans-serif;letter-spacing:.16em}.opus{font-size:.69rem;color:var(--violet)}.hero h1{font-weight:400;font-size:clamp(5rem,8vw,10rem);line-height:1.15;letter-spacing:.05em;margin:2rem 0}.hero h1 i{font-style:normal;color:var(--rose)}.hero-copy p{max-width:34rem;font-size:1rem}.hero-copy a{display:inline-flex;gap:3rem;border-bottom:2px solid var(--ink);text-decoration:none;padding:.7rem 0;margin-top:2rem;font-weight:700}.hero-image{position:relative;display:grid;place-items:center;padding:4rem 4vw}.hero-image img{width:min(100%,630px);aspect-ratio:1;object-fit:cover;border-radius:50% 50% 6% 50%;box-shadow:24px 24px 0 #9db8b7}.hero-image>span{position:absolute;bottom:3rem;right:3vw;font-size:.6rem}.hero-coda{position:absolute;left:5vw;bottom:1rem;font-size:.6rem}.keyboard-section{display:grid;grid-template-columns:38% 1fr;background:var(--ink);color:white;padding:6rem 4vw;gap:4vw}.keyboard-intro>span{font-size:.68rem;color:#c5c3e4}.keyboard-intro h2,.courses-heading h2,.practice-copy h2,.try-title h2,.coda h2{font-weight:400;font-size:clamp(3rem,5vw,6rem);line-height:1.2;letter-spacing:.04em;margin:1.5rem 0}.keyboard-intro>p{max-width:25rem}.note-display{min-height:65px;border-left:3px solid var(--rose);padding:.5rem 1rem;font-size:1.2rem;transition:transform .2s,color .2s}.note-display.is-active{transform:translateX(10px);color:#fedb93}.keyboard-area{align-self:center}.keyboard{display:grid;grid-template-columns:repeat(7,1fr);gap:3px;padding:1rem;background:#1c1929;box-shadow:14px 14px 0 #8b83a0}.keyboard button{height:clamp(170px,25vw,330px);border:0;border-radius:0 0 12px 12px;background:var(--cream);color:var(--ink);cursor:pointer;display:flex;align-items:end;justify-content:center;padding-bottom:1.2rem;font-size:1rem;box-shadow:inset 0 -12px 0 #c5c4be;transition:transform .15s,background .15s}.keyboard button:hover,.keyboard button.is-active{background:#f5c3c0;transform:translateY(8px);box-shadow:inset 0 -4px 0 #bd817f}.keyboard-area>p{text-align:right;font-size:.6rem;margin-top:2rem}.courses{padding:7rem 4vw;background:var(--cream)}.courses-heading{display:grid;grid-template-columns:20% 1fr 25%;gap:2rem;align-items:start}.courses-heading>span{font-size:.68rem;color:var(--rose)}.courses-heading p{font-size:.88rem}.course-score{margin-top:5rem;border-top:2px solid var(--ink);background:repeating-linear-gradient(0deg,transparent 0 30px,#a9b8b855 31px 32px,transparent 33px 64px)}.course-score article{display:grid;grid-template-columns:18% 1fr 25%;gap:2rem;align-items:center;min-height:200px;border-bottom:1px solid var(--ink);padding:2rem 1vw;background:#f7f4e9e8}.measure{font:700 .7rem Arial,sans-serif;color:var(--rose)}.measure b{display:block;font:400 5rem serif;line-height:1;color:var(--violet)}.course-score h3{font-size:clamp(1.6rem,2.5vw,2.7rem);font-weight:400;margin:0}.course-score p{margin:.5rem 0}.course-score small{font:700 .68rem Arial,sans-serif;letter-spacing:.1em;text-align:right}.practice{display:grid;grid-template-columns:55% 45%;background:#c7d9d4}.practice-image{position:relative;min-height:670px}.practice-image img{width:100%;height:100%;object-fit:cover;filter:saturate(.8)}.practice-image>span{position:absolute;bottom:2rem;left:2rem;background:var(--cream);padding:.5rem;font-size:.62rem}.practice-copy{padding:6rem 5vw;display:flex;flex-direction:column;justify-content:center}.practice-copy>span{font-size:.68rem;color:var(--violet)}.practice-copy>p{max-width:30rem}.try{padding:7rem 4vw;background:#eee9f2}.try-title{max-width:1100px;margin:0 auto 5rem;text-align:center}.try-title>span{font-size:.68rem;color:var(--violet)}.try-title>p{max-width:48rem;margin:1rem auto}.safety{border-top:1px solid var(--ink);padding-top:.8rem;font-size:.84rem}.try-grid{display:grid;grid-template-columns:1fr 1fr;gap:5vw}.selectors{border-top:2px solid var(--ink)}.choice-group{border-bottom:1px solid var(--line);padding:1.6rem 0}.choice-group h3{font:700 .75rem Arial,sans-serif;letter-spacing:.12em;color:var(--violet)}.choice-group>div{display:flex;gap:.6rem;flex-wrap:wrap}.choice-group button,.reset{background:transparent;border:1px solid var(--ink);padding:.8rem 1rem;cursor:pointer;font-size:.85rem}.choice-group button[aria-pressed=true]{background:var(--ink);color:white}.choice-group button:hover,.reset:hover{background:var(--rose);color:white}.reset{margin-top:1.5rem;border:0;text-decoration:underline}.trial-card{border:1px solid var(--line);padding:clamp(2rem,4vw,4rem);background:var(--cream);box-shadow:14px 14px 0 #c4bcd2}.trial-card>span{font-size:.67rem;color:var(--violet)}.trial-card h3{font-size:clamp(1.9rem,3vw,3.3rem);font-weight:400;line-height:1.3}.trial-card dl{border-top:1px solid var(--ink);margin-top:2rem}.trial-card dl div{display:grid;grid-template-columns:38% 1fr;gap:1rem;border-bottom:1px solid var(--line);padding:.8rem 0}.trial-card dt{font-size:.85rem}.trial-card dd{margin:0;font-weight:700}.trial-card>p:last-child{font-size:.75rem}.coda{background:var(--ink);color:white;padding:8rem 4vw;min-height:600px}.coda>span{font-size:.7rem;color:#d6d1eb}.coda h2{font-size:clamp(4rem,8vw,9rem)}.coda p{max-width:36rem}.coda a{display:inline-block;margin-top:2rem;border-bottom:1px solid white;text-decoration:none}footer{display:flex;justify-content:space-between;gap:1rem;padding:1.6rem 3vw;font-size:.65rem}footer a{text-decoration:none}
@media(max-width:1000px){.header nav{display:none}.hero{grid-template-columns:1fr}.hero-copy{min-height:600px}.hero-image{min-height:550px}.keyboard-section{grid-template-columns:1fr}.courses-heading{grid-template-columns:1fr}.course-score article{grid-template-columns:15% 1fr}.course-score small{grid-column:2;text-align:left}.practice{grid-template-columns:1fr}.practice-image{min-height:500px}.try-grid{grid-template-columns:1fr}}
@media(max-width:600px){.demo-banner{font-size:.52rem}.demo-banner span:last-child{display:none}.header{min-height:75px}.brand{font-size:1.25rem}.brand-mark{font-size:2rem}.back-list{font-size:.68rem}.hero-copy{min-height:570px;padding:4rem 5vw}.hero h1{font-size:clamp(4rem,14vw,6rem)}.hero-image{min-height:400px;padding:2rem 8vw}.hero-image>span{bottom:1rem}.keyboard-section,.courses,.try,.coda{padding:5rem 5vw}.keyboard-intro h2,.courses-heading h2,.practice-copy h2,.try-title h2{font-size:clamp(2.7rem,10vw,4.3rem)}.keyboard{padding:.3rem;gap:2px;box-shadow:7px 7px 0 #8b83a0}.keyboard button{height:160px;font-size:.75rem}.course-score article{gap:.5rem;min-height:160px}.measure b{font-size:3.5rem}.course-score h3{font-size:1.5rem}.practice-image{min-height:350px}.practice-copy{padding:5rem 5vw}.trial-card{box-shadow:7px 7px 0 #c4bcd2}.trial-card dl div{grid-template-columns:1fr;gap:0}.coda h2{font-size:clamp(3.6rem,12vw,6rem)}footer{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.music-note{animation:none}.keyboard button,.note-display{transition:none}}

/* 日本語の行頭禁則と短い最終行を抑える */
h1,h2,h3{line-break:strict;text-wrap:balance}p{line-break:strict;text-wrap:pretty}

/* The lesson photograph and the industry name introduce the music room. */
.hero h1{font-size:clamp(4.1rem,6.9vw,7.5rem);line-height:1.1;margin:1rem 0 .15rem;letter-spacing:.02em}
.hero-phrase{font-size:clamp(2rem,3.4vw,3.8rem)!important;line-height:1.25;color:var(--rose);margin:.1rem 0 1.1rem;letter-spacing:.03em}
.hero-image img{object-position:55% center}
@media(max-width:1000px){.hero{display:flex;flex-direction:column}.hero-image{order:-1;min-height:clamp(320px,44vw,450px);padding:1rem 5vw}.hero-image img{width:100%;max-width:none;height:clamp(300px,42vw,430px);aspect-ratio:auto;border-radius:32% 3% 3% 3%;object-fit:cover}.hero-copy{min-height:0;padding:2rem 5vw 3rem}.hero-coda{display:none}.hero h1{font-size:clamp(4rem,9vw,6.5rem)}}
@media(max-width:600px){.hero-image{min-height:300px;padding:0}.hero-image img{height:300px;border-radius:0;box-shadow:none;object-position:53% center}.hero-image>span{bottom:.4rem;right:.5rem;background:#f7f4e9dd;padding:.2rem}.hero-copy{padding:1.4rem 5vw 2.5rem}.hero h1{font-size:clamp(3.5rem,13vw,5rem);margin:.45rem 0 .1rem}.hero-phrase{font-size:clamp(1.65rem,7vw,2.4rem)!important;margin:0 0 .5rem}.hero-copy p:not(.hero-phrase){font-size:.9rem}}