:root{--ink:#173e36;--accent:#236447;--paper:#fffefb;--wash:#edf2ec;--line:#d1dbd2;--muted:#52625a}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:104px}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;font-size:18px;line-height:1.9;overflow-wrap:anywhere}a{color:inherit;text-underline-offset:5px}button,textarea{font:inherit}img{max-width:100%;display:block}p{margin:0 0 1.1em}h1,h2,h3{margin:0;font-weight:600;overflow-wrap:normal}h1,h2,.serif{font-family:"Yu Mincho","Hiragino Mincho ProN",serif}h1{font-size:clamp(40px,4.5vw,64px);line-height:1.42;letter-spacing:.04em}h2{font-size:clamp(28px,3vw,38px);line-height:1.55;margin-bottom:24px}h3{font-size:21px;line-height:1.6;margin-bottom:14px}.wrap{width:min(1120px,calc(100% - 80px));margin-inline:auto}.preview{background:var(--ink);color:white;font-size:12px;text-align:center;padding:3px 16px;letter-spacing:.08em}.header{position:sticky;top:0;z-index:10;background:var(--paper);border-bottom:1px solid var(--line)}.header-row{min-height:86px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-size:22px;font-family:"Yu Mincho",serif;text-decoration:none;line-height:1.5;white-space:nowrap}.brand small{display:block;font-size:12px;font-family:sans-serif;letter-spacing:.12em}.nav{display:flex;align-items:center;gap:24px}.nav a{font-size:15px;text-decoration:none;white-space:nowrap}.button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:11px 24px;border:1px solid var(--accent);background:var(--accent);color:white;text-decoration:none;font-size:16px;font-weight:600;cursor:pointer;line-height:1.6}.button.secondary{background:transparent;color:var(--ink);border:0;text-decoration:underline;padding-inline:8px}.eyebrow{font-size:13px;font-weight:600;letter-spacing:.12em;line-height:1.7;margin-bottom:20px}.hero{padding:44px 0 0}.hero-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:center}.hero .lead{font-size:18px;line-height:1.95;max-width:27em;margin:24px 0}.hero figure{margin:0}.adult-visual img{width:100%;height:365px;object-fit:cover;object-position:center}.caption{font-size:13px;color:var(--muted);line-height:1.8;margin:12px 0 0}.actions{display:flex;gap:16px;align-items:center;flex-wrap:wrap}.facts{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:32px;border-block:1px solid var(--line);padding:22px 0;margin-top:32px}.facts>div{display:flex;flex-direction:column;gap:5px}.facts span{font-size:14px;line-height:1.65}.facts strong{font-size:24px;font-weight:600;line-height:1.5}.section{padding:64px 0;border-bottom:1px solid var(--line)}.tint{background:var(--wash)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;margin-top:30px}.step{border-top:1px solid var(--accent);padding-top:18px}.number{display:block;font-family:Georgia,serif;font-size:16px;color:var(--accent);margin-bottom:12px}.step p{margin:0;font-size:17px;line-height:1.95}.section-heading{max-width:760px}.split{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px}.split p:last-child{margin-bottom:0}.teacher,.junior .teacher{display:grid;grid-template-columns:235px 1fr;gap:22px 44px;align-items:start;max-width:920px}.teacher img,.junior .teacher img{grid-row:1/3;width:235px;height:320px;object-fit:contain;background:#eeefeb}.teacher h2{margin-bottom:20px}.teacher .name{font-size:29px;margin-bottom:4px}.tag{font-size:12px;color:var(--muted);letter-spacing:.07em}.teacher .bio,.junior .teacher .bio{grid-column:2}.teacher .bio p{font-size:17px}.teacher .bio a{font-size:15px}.price-layout{display:grid;grid-template-columns:1fr 1fr;gap:60px}.price-row{display:flex;justify-content:space-between;align-items:center;gap:20px;border-bottom:1px solid var(--line);padding:16px 0;font-size:16px}.price-row strong{font-size:26px;white-space:nowrap}.price-note{font-size:15px;line-height:1.9;color:var(--muted);margin:16px 0}.rates{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;margin-top:30px}.rate{border-top:1px solid var(--accent);padding-top:20px}.rate h3{margin-bottom:4px}.rate span{font-size:15px}.big-price{font-family:Georgia,serif;font-size:44px;line-height:1.3;margin:16px 0 8px}.big-price small{font-size:19px;margin-left:5px}.rate .price-note{margin:10px 0 24px}.policy{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:32px}.policy h3{font-size:18px}.policy p{font-size:15px;line-height:1.95;margin:0}.full-terms{display:inline-block;margin-top:24px;font-size:16px}details{border-top:1px solid var(--line);padding:17px 0}summary{cursor:pointer;font-size:16px;font-weight:600;line-height:1.8}details p{font-size:16px;margin:16px 0 0;max-width:58em}.location{display:grid;grid-template-columns:1fr 1fr;gap:64px}.address{font-size:23px;line-height:1.8}.location p{font-size:17px}.trial{background:var(--ink);color:white}.trial .wrap{display:grid;grid-template-columns:1fr 1fr;gap:64px}.trial .button{background:#fff;color:var(--ink);border-color:#fff}.trial p{font-size:16px}.trial ol{font-size:17px;line-height:1.9;padding-left:1.4em;margin:0 0 28px}.trial li{padding-left:4px;margin-bottom:16px}.footer{padding:28px 0;font-size:13px}.footer-row{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px}.junior{--ink:#202d40;--accent:#8c6635;--paper:#fffdf8;--wash:#f1eee6;--line:#dcd5c7;--muted:#59616b}.junior .hero{padding:0;background:var(--ink);color:#fff}.junior .hero-grid{grid-template-columns:1.1fr .9fr;gap:60px;min-height:445px}.junior .hero-copy{padding:36px 0}.junior .hero figure{height:445px;align-self:end}.junior .hero figure img{height:100%;width:100%;object-fit:contain;background:#dce3e8}.junior .hero .eyebrow{color:#e4cda5}.junior .hero .button{background:#ddc296;border-color:#ddc296;color:#202d40}.junior .hero .lead{max-width:27em}.junior .facts{margin-top:0;grid-template-columns:repeat(3,1fr)}.junior .facts strong{font-size:25px}.quick-note{font-size:14px;color:var(--muted);padding-top:14px;margin-bottom:0}.dialog{border:0;width:min(700px,calc(100% - 32px));padding:32px;color:var(--ink)}.dialog::backdrop{background:#0009}.dialog h2{font-size:26px;clear:both;padding-top:18px}.dialog>button:first-child{float:right}.dialog p{font-size:16px}.dialog textarea{width:100%;min-height:190px;padding:16px;font-size:16px;border:1px solid var(--line)}.status{font-size:14px}.portal{padding:60px 0}.routes{display:grid;grid-template-columns:1fr 1fr;gap:36px;margin-top:36px}.route{border:1px solid var(--line);text-decoration:none}.route img{height:290px;width:100%;object-fit:cover}.route:nth-child(2) img{object-fit:contain;background:#dce3e8}.route div{padding:28px}.route strong{font-size:28px}.route p{font-size:17px;margin:16px 0 0}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #c58f35;outline-offset:5px}
@media(max-width:950px){.wrap{width:calc(100% - 48px)}.nav{gap:16px}.hero-grid{gap:28px}.hero h1{font-size:43px}.junior .hero-grid{gap:28px}.policy{grid-template-columns:1fr}.policy p{max-width:58em}.steps{gap:24px}.teacher,.junior .teacher{gap:20px 28px}.trial .wrap{gap:32px}}
@media(max-width:720px){html{scroll-padding-top:114px}.wrap{width:calc(100% - 40px)}.header-row{display:block;min-height:0;padding:12px 0}.brand{font-size:20px}.brand small{display:inline;font-size:11px;margin-left:12px}.nav{margin-top:12px;justify-content:space-between;gap:10px}.nav a{font-size:13px}.nav .button{padding:7px 12px;min-height:36px;font-size:13px}.eyebrow{font-size:12px;letter-spacing:.07em;margin-bottom:16px}.hero{padding:28px 0 0}.hero-grid{display:flex;flex-direction:column;gap:26px;align-items:stretch}.hero h1{font-size:39px;line-height:1.5;letter-spacing:.025em}.hero .lead{font-size:17px;line-height:1.95;margin:18px 0 22px}.adult-visual img{height:215px;object-position:50% 48%}.adult-visual .caption{font-size:12px}.actions{gap:10px}.actions .button{padding-inline:18px}.actions .secondary{font-size:14px}.facts{grid-template-columns:1fr 1fr;gap:18px 22px;padding:20px 0;margin-top:24px}.facts strong{font-size:21px}.facts span{font-size:13px}.facts>div:last-child{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:5px 22px}.facts>div:last-child>span:first-child{grid-column:1}.facts>div:last-child>strong{grid-column:1}.facts>div:last-child>span:last-child{grid-column:2;grid-row:2}.section{padding:40px 0}h2{font-size:28px;line-height:1.6;margin-bottom:22px}h3{font-size:21px;line-height:1.65;margin-bottom:12px}.steps{grid-template-columns:1fr;gap:28px;margin-top:26px}.step{display:grid;grid-template-columns:26px 1fr;gap:0 16px;padding-top:18px}.step .number{grid-row:1/3;margin:3px 0}.step p{grid-column:2;font-size:17px;line-height:1.95}.caption{margin-top:18px}.split,.price-layout,.location,.trial .wrap{grid-template-columns:1fr;gap:20px}.split h2 br{display:none}.split p{font-size:17px}.teacher,.junior .teacher{grid-template-columns:100px 1fr;gap:24px 20px}.teacher img,.junior .teacher img{width:100px;height:155px;grid-row:1}.teacher h2{font-size:23px;line-height:1.65;margin-bottom:16px}.teacher .name{font-size:25px}.teacher .tag{font-size:11px}.teacher .bio,.junior .teacher .bio{grid-column:1/-1}.teacher .eyebrow{margin-bottom:10px}.teacher .bio p{font-size:17px}.rates{grid-template-columns:1fr;gap:0;margin-top:24px}.rate{display:grid;grid-template-columns:1fr auto;gap:0 16px;padding:20px 0}.rate .big-price{font-size:35px;margin:0}.rate .price-note{grid-column:1/-1;margin:12px 0 0}.price-row strong{font-size:25px}.policy{gap:24px;margin-top:28px}.policy p{font-size:16px}.price-note{font-size:15px}.location .address{font-size:22px}.trial p{font-size:16px;line-height:1.95}.trial ol{font-size:16px}.trial .button{width:100%;padding-inline:12px}.junior .hero-grid{display:grid;grid-template-columns:1fr 112px;gap:0 20px;min-height:0;padding:26px 0}.junior .hero-copy{display:contents}.junior .hero .eyebrow{grid-column:1/-1}.junior .hero h1{font-size:32px;line-height:1.6;grid-column:1;align-self:center}.junior .hero figure{grid-column:2;grid-row:2;height:174px;align-self:center}.junior .hero .lead{grid-column:1/-1;font-size:17px;margin:20px 0 22px}.junior .hero .button{grid-column:1/-1;justify-self:start}.junior .facts{gap:12px;grid-template-columns:repeat(3,1fr);padding:20px 0}.junior .facts>div:last-child{display:flex;grid-column:auto}.junior .facts span{font-size:12px}.junior .facts strong{font-size:21px}.quick-note{font-size:13px;line-height:1.9}.footer-row{display:grid;gap:12px}.routes{grid-template-columns:1fr}.portal h1{font-size:33px}.dialog{padding:22px}.dialog h2{font-size:24px}}
@media(max-width:360px){.junior .hero-grid{grid-template-columns:1fr 92px;gap:0 14px}.junior .hero h1{font-size:29px}.junior .hero figure{height:150px}.brand small{font-size:10px;margin-left:8px}.facts strong{font-size:19px}.junior .facts strong{font-size:19px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.group-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 20px;
  margin-top: 24px;
}
.group-card {
  display: grid;
  grid-template-rows: auto 1fr auto;
  justify-items: start;
  gap: 12px;
  padding: clamp(18px, 3vw, 28px);
  background: white;
  border: 1px solid var(--accent);
}
.group-card h3, .group-card p { margin: 0; }
.group-page { max-width: 760px; }
.group-page .group-kind { margin-top: 28px; }
.group-page h2 { margin-top: 28px; }

/* あんころ団 第4回定期演奏会のチラシの空と紙色 */
.group-site.strings {
  --ink: #203641;
  --accent: #245366;
  --paper: #fffdf5;
  --wash: #f1e7cb;
}
.strings .group-intro h1 { margin-bottom: 12px; }
.group-site.orchestra { --ink: #182c47; --accent: #264a73; --wash: #e9eff7; }
.group-hero { padding: clamp(22px, 4vw, 48px) 0; background: var(--wash); }
.group-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  align-items: center;
  gap: clamp(20px, 5vw, 64px);
  margin-top: 24px;
}
.group-intro h2 { margin: 8px 0 14px; font-size: clamp(21px, 3vw, 30px); }
.group-intro p { margin: 0; }
.group-intro figure { margin: 0; }
.group-intro img { width: 100%; height: auto; }
.group-intro figcaption { margin-top: 8px; font-size: 14px; }
.group-details { padding: 24px 0 48px; }
.group-details h2 { margin-bottom: 10px; }
.teacher .bio h3 { margin: 1.2em 0 .3em; }
@media (max-width: 700px) {
  .group-intro { grid-template-columns: 1fr; }
}

.recruit-intro {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  background: #183b33;
  color: #fffdf6;
}
.recruit-intro .hero-copy {
  align-self: center;
  padding: clamp(30px, 6vw, 92px) clamp(24px, 6vw, 88px);
}
.recruit-intro h1 {
  font-size: clamp(32px, 4.2vw, 66px);
  line-height: 1.28;
  letter-spacing: .02em;
}
.recruit-intro .lead { max-width: 24em; margin: 22px 0; }
.recruit-intro .button { background: #fffdf6; color: #183b33; border-color: #fffdf6; }
.recruit-intro .button.secondary { background: transparent; color: inherit; }
.recruit-portrait { position: relative; margin: 0; min-height: 460px; }
.recruit-portrait img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 34%;
}
.recruit-hero .facts {
  margin: 0;
  padding: 22px max(24px, calc((100% - 1120px) / 2));
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  background: #f2ebdc;
}
.recruit-hero .facts > div { padding-inline: clamp(8px, 2vw, 28px); }
.recruit-hero .facts > div + div { border-left: 1px solid #c6ccbe; }
.recruit-hero .facts > div:last-child { display: flex; grid-column: auto; }
.recruitment .section { padding-block: clamp(32px, 4.5vw, 62px); }
.profile-section { background: #f7f3ea; }
.profile-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.55fr); gap: clamp(24px, 6vw, 72px); }
.profile-portrait img { width: 100%; aspect-ratio: 4 / 4.6; object-fit: cover; object-position: center 30%; }
.profile-portrait h2 { margin: 14px 0 2px; }
.profile-portrait p { margin: 0; }
.profile-layout .bio h3 { margin: 22px 0 8px; padding-top: 12px; border-top: 1px solid #aab7a8; }
.ensemble-feature { margin: 0; }
.ensemble-feature img { width: 100%; height: clamp(220px, 36vw, 410px); object-fit: cover; object-position: center 44%; }
.ensemble-feature figcaption { margin-top: 6px; font-size: 14px; }
@media (max-width: 700px) {
  .recruit-intro { grid-template-columns: 1fr; }
  .recruit-intro .hero-copy { padding-block: 24px; }
  .recruit-portrait { min-height: 190px; height: 32vw; }
  .recruit-portrait img { object-position: center 29%; }
  .recruit-hero .facts { padding: 12px 8px; }
  .recruit-hero .facts > div { gap: 4px; }
  .recruit-hero .facts strong { font-size: clamp(13px, 3.9vw, 20px); }
  .recruit-hero .facts span { font-size: 12px; }
  .profile-layout { grid-template-columns: 1fr; }
  .profile-portrait { display: grid; grid-template-columns: minmax(95px, 34%) 1fr; align-items: center; gap: 16px; }
  .profile-portrait h2 { font-size: clamp(20px, 5.5vw, 28px); }
}

.school-home { padding: clamp(32px, 7vw, 86px) 0; background: #f2ebdc; }
.school-home h1 { margin-bottom: 26px; }
.school-routes, .youth-intro {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(16px, 4vw, 44px);
}
.school-routes article { background: var(--paper); padding: clamp(18px, 3vw, 34px); border-top: 4px solid var(--accent); }
.school-home .school-routes article { display: grid; grid-template-rows: auto 1fr auto; justify-items: start; }
.school-home .school-routes article + article { border-color: #2b4a6f; }
.school-home .school-routes article + article .button { background: #2b4a6f; border-color: #2b4a6f; }
.youth { --ink: #192e46; --accent: #2b4a6f; --wash: #eaf0f7; }
.youth-hero { background: var(--wash); padding: clamp(24px, 5vw, 62px) 0; }
.youth-intro { align-items: center; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); }
.youth-intro h1 { font-size: clamp(26px, 4vw, 56px); margin-bottom: 14px; }
.youth-intro img { width: 100%; max-height: 390px; object-fit: cover; object-position: center 28%; }
.youth-fees { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.youth-fees div { border-top: 1px solid var(--accent); padding-block: 10px; }
.youth-fees dd { margin: 0; }
@media (max-width: 700px) {
  .school-routes, .youth-intro { grid-template-columns: 1fr; }
  .youth-intro img { max-height: 225px; }
  .youth-fees dd { font-size: 15px; }
}