@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;600;700&family=DM+Sans:wght@400;500;600;700&display=swap');
:root{--ink:#243f50;--muted:#748d9c;--sky:#d9eff7;--pale:#f3f9fc}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;color:var(--ink);font-family:"Noto Sans JP",sans-serif;background:white}a{color:inherit;text-decoration:none}.header{height:78px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(22px,5vw,88px);background:#ffffffed;backdrop-filter:blur(14px);position:sticky;top:0;z-index:20;border-bottom:1px solid #edf4f7}.brand{font-size:22px;font-weight:700;letter-spacing:.08em;white-space:nowrap}.brand small{display:block;font:9px "DM Sans",sans-serif;letter-spacing:.26em;text-align:right;color:var(--muted)}.bird{color:#76b9d5}nav{display:flex;gap:clamp(12px,2vw,28px)}nav a{font:600 11px "DM Sans",sans-serif;letter-spacing:.12em;transition:color .2s}nav a:hover{color:#6aaec9}.menu-button{display:none;border:0;background:none;font-size:24px;color:var(--ink)}.hero{height:min(850px,calc(100svh - 78px));min-height:480px;position:relative;overflow:hidden;background:#d9eff7}.hero>img{height:100%;width:100%;object-fit:cover;object-position:center 45%}.hero:after{content:"";position:absolute;inset:55% 0 0;background:linear-gradient(transparent,rgba(23,62,88,.36))}.hero-title{position:absolute;z-index:1;bottom:65px;left:7%;color:white;text-shadow:0 1px 14px #547d99aa}.hero-title span,.eyebrow,.scroll-note{font:600 11px "DM Sans",sans-serif;letter-spacing:.3em}.hero-title h1{font-size:clamp(36px,5vw,70px);letter-spacing:.16em;margin:12px 0}.hero-title p{letter-spacing:.25em;font-size:13px}.scroll-note{position:absolute;z-index:1;bottom:30px;right:6%;color:white}.intro{text-align:center;padding:115px 20px 125px;background:linear-gradient(180deg,#f0f9fd,#fff)}.intro p{font-size:clamp(17px,2.1vw,25px);letter-spacing:.19em;margin:28px 0}.intro .intro-sub{font-size:12px;color:var(--muted)}.eyebrow{color:#82b7ce}.section{padding:105px max(6%,20px) 120px;max-width:1600px;margin:auto}.section.tinted{background:var(--pale);max-width:none}.section-head{text-align:center;margin-bottom:60px}.section-head h2{font:500 clamp(34px,5vw,54px) "DM Sans",sans-serif;letter-spacing:.19em;margin:10px 0 4px}.section-head p{font-size:12px;letter-spacing:.2em;color:var(--muted)}.news-list,.schedule-list{max-width:920px;margin:auto}.news-item,.schedule-item{display:flex;align-items:center;gap:30px;padding:25px 8px;border-bottom:1px solid #dbe9ef}.news-item time,.schedule-item time{color:#7eabbc;font:600 12px "DM Sans",sans-serif;white-space:nowrap;min-width:90px}.news-item p,.schedule-item p{margin:0;line-height:1.8;font-size:14px}.schedule-item strong{display:block;margin-bottom:4px}.schedule-item .details{font-size:12px;color:var(--muted)}.schedule-item a,.news-item a{color:#4d9bb8;text-decoration:underline;text-underline-offset:4px}.members{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:40px 20px;max-width:1150px;margin:auto}.member{min-width:0}.member img{width:100%;aspect-ratio:3/4;object-fit:cover;object-position:center 23%;display:block;background:#eaf2f7;transition:transform .35s}.member .photo{overflow:hidden}.member:hover img{transform:scale(1.035)}.member .color-line{height:3px;background:var(--member-color)}.member h3{font-size:16px;margin:14px 0 4px;letter-spacing:.07em}.member .en{font:11px "DM Sans",sans-serif;color:var(--muted);letter-spacing:.08em}.member .sns{display:inline-block;font-size:11px;margin-top:10px;color:#528fac}.music-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));max-width:900px;gap:22px;margin:auto}.music-card{padding:32px;background:white;border:1px solid #e4eef3;min-height:150px}.music-card .number{font:12px "DM Sans",sans-serif;color:#83b6ca;letter-spacing:.2em}.music-card h3{font-size:22px;font-weight:500}.music-card a{font-size:12px;text-decoration:underline;color:#5294b0}.center-panel{text-align:center;max-width:750px;margin:auto;padding:35px 15px}.center-panel p{line-height:2;color:#647e8b}.outline-btn{display:inline-block;margin-top:22px;padding:16px 30px;border:1px solid #94bbca;font-size:12px;letter-spacing:.1em}footer{text-align:center;padding:75px 20px;background:#e8f5fa}.footer-brand{font-size:24px;font-weight:700;letter-spacing:.2em}footer p{font-size:11px;letter-spacing:.16em;color:#7893a0}footer small{display:block;margin-top:40px;font:10px "DM Sans",sans-serif;color:#90aab7}.empty{padding:32px;text-align:center;color:#829aa5;font-size:13px}@media(max-width:950px){.menu-button{display:block}nav{display:none;position:absolute;top:78px;left:0;right:0;background:#fffffff7;padding:25px;flex-direction:column;gap:20px;box-shadow:0 10px 20px #bfd7e433}nav.open{display:flex}.members{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:600px){.header{height:68px}.brand{font-size:19px}nav{top:68px}.hero{height:70svh;min-height:450px}.hero>img{object-position:54% center}.hero-title{left:6%;bottom:52px}.hero-title h1{font-size:38px}.hero-title p{font-size:11px}.scroll-note{display:none}.intro{padding:80px 15px}.section{padding:75px 20px}.section-head{margin-bottom:38px}.members{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 12px}.member h3{font-size:14px}.news-item,.schedule-item{gap:10px;align-items:flex-start;flex-direction:column}.music-list{grid-template-columns:1fr}.music-card{padding:24px}}
.brand-logo{display:block;width:175px;max-height:56px;object-fit:contain}.footer-logo{display:block;width:230px;max-width:70vw;height:auto;margin:0 auto 15px}.hero-title h1{margin:0}.intro .intro-sub{display:none}@media(max-width:600px){.brand-logo{width:145px}.footer-logo{width:190px}}

.guideline-lead{text-align:center;color:var(--muted);font-size:13px;margin:-22px auto 34px}.guideline-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;max-width:940px;margin:auto}.guideline-card{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;background:#f7fbfd;border:1px solid #deedf4;border-radius:6px;padding:34px 18px;transition:transform .2s,box-shadow .2s}.guideline-card:hover{transform:translateY(-3px);box-shadow:0 12px 25px #d2e8f477}.guide-icon{display:grid;place-items:center;border:1px solid #b4d7e5;border-radius:50%;width:65px;height:65px;font-size:28px;color:#73afc9}.guide-title{font-weight:600;font-size:16px;letter-spacing:.07em}.guide-desc{font-size:12px;color:var(--muted)}.guide-arrow{position:absolute;right:18px;top:15px;color:#85b8cd}.member-photo-link{display:block;cursor:pointer}.member-photo-link:focus-visible{outline:3px solid #83b9d3;outline-offset:3px}@media(max-width:600px){.guideline-grid{gap:10px}.guideline-card{padding:24px 8px;gap:9px}.guide-title{font-size:13px}.guide-desc{font-size:10px}.guide-icon{width:50px;height:50px;font-size:22px}}

/* v4: softer white hero typography */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400&display=swap');
.hero-title h1{font-family:"Noto Serif JP",serif;font-weight:300;letter-spacing:.22em;color:#fff;text-shadow:0 2px 18px rgba(20,57,78,.46);line-height:1.4}
.schedule-links{max-width:830px;margin:0 auto;text-align:center}.schedule-links>p{font-size:14px;line-height:2.2;color:#607f90;margin:0 0 34px}.schedule-link-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.schedule-link{display:flex;align-items:center;justify-content:space-between;gap:14px;text-align:left;background:#fff;border:1px solid #d6e9f2;border-radius:8px;padding:25px 20px;font-size:14px;transition:transform .2s,box-shadow .2s}.schedule-link:hover{transform:translateY(-3px);box-shadow:0 10px 26px #cde6f277}.schedule-link-icon{font-size:26px;color:#7db6cf}.music-stream{max-width:720px;margin:0 auto 30px;text-align:center;background:#fff;border:1px solid #e2eef4;border-radius:8px;padding:36px 20px}.music-stream-mark{font-size:34px;color:#8bbbd0}.music-stream p{font-size:14px;line-height:2;color:#607f90}.music-stream-link{display:inline-flex;align-items:center;gap:24px;background:#81b6cc;color:#fff;padding:15px 36px;margin-top:12px;border-radius:3px;font-size:14px;letter-spacing:.08em}.music-stream-link:hover{background:#629cb5}.music-list:empty{display:none}@media(max-width:600px){.hero-title h1{font-size:clamp(31px,8vw,42px);letter-spacing:.14em}.schedule-link-grid{grid-template-columns:1fr}.schedule-links>p{font-size:12px}.schedule-link{padding:18px}}

/* v5 responsive social header and video */
.header-actions{display:flex;align-items:center;gap:18px;margin-left:auto;margin-right:20px}.social-links{display:flex;gap:9px;align-items:center}.social-icon{width:31px;height:31px;display:grid;place-items:center;border-radius:8px;color:white;flex:none;transition:transform .2s}.social-icon:hover{transform:translateY(-2px)}.social-icon svg{width:21px;height:21px}.x-icon{background:#050505;font-size:20px;font-weight:700}.instagram-icon{background:linear-gradient(35deg,#ffb23f,#ee2a7b 55%,#6228d7)}.tiktok-icon{background:#080808}.youtube-icon{background:#ff0033}.youtube-icon svg{width:26px;height:26px}.video-wrap{position:relative;width:min(100%,900px);aspect-ratio:16/9;margin:auto;background:#e7f2f7}.video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.video-channel{text-align:center;margin:22px auto;color:#5799b5;font-size:13px}.news-body{font-size:12px!important;color:#7893a0;margin-top:7px!important;white-space:pre-line}.header nav{margin-left:0}.header{gap:20px}.header .brand{flex:none}
@media(max-width:1150px){.header-actions{margin-left:auto;margin-right:0}.header nav{gap:13px}}
@media(max-width:950px){.header-actions{gap:12px}.menu-button{display:block}.header nav{top:78px}}
@media(max-width:600px){.header{padding:0 12px;height:68px;gap:6px}.brand-logo{width:112px}.social-links{gap:4px}.social-icon{width:27px;height:27px;border-radius:7px}.social-icon svg{width:19px;height:19px}.youtube-icon svg{width:22px;height:22px}.x-icon{font-size:17px}.header-actions{gap:9px}.menu-button{font-size:22px;padding:4px}.hero>img{object-position:50% center}.hero-title{left:50%;transform:translateX(-50%);width:max-content;max-width:94%;text-align:center}.hero-title h1{font-size:clamp(30px,7.4vw,40px)}.header nav{top:68px}}
@media(max-width:370px){.brand-logo{width:94px}.social-icon{width:25px;height:25px}.header-actions{gap:5px}.social-links{gap:3px}}

.intro .story-description{max-width:780px;margin:24px auto 0;font-size:clamp(13px,1.2vw,15px);font-weight:400;line-height:2.4;letter-spacing:.045em;color:#607d8c;text-wrap:pretty}@media(max-width:600px){.intro .story-description{font-size:13px;line-height:2.2;letter-spacing:.02em}.intro .story-description br{display:none}}


/* Glass marbles: decorative only. Preserve original content, spacing and interactions. */
#news{position:relative;isolation:isolate;overflow:hidden}
#news::before,#news::after{content:"";position:absolute;z-index:-1;pointer-events:none;background-image:url("assets/glass-marbles.webp");background-repeat:no-repeat;background-size:cover;opacity:.72}
/* NEWS has two corner accents, leaving the copy and cards clear. */
#news{background:radial-gradient(ellipse at 8% 22%,#eaf6ff 0%,transparent 48%),radial-gradient(ellipse at 95% 80%,#f2f9ff 0%,transparent 45%),#fff}
#news::before{width:clamp(280px,38vw,560px);height:clamp(280px,38vw,540px);right:-9%;top:-6%;background-position:80% 15%;-webkit-mask-image:radial-gradient(ellipse at 85% 14%,#000 10%,transparent 72%);mask-image:radial-gradient(ellipse at 85% 14%,#000 10%,transparent 72%)}
#news::after{width:clamp(260px,35vw,500px);height:clamp(280px,39vw,550px);left:-12%;bottom:-12%;background-position:15% 75%;-webkit-mask-image:radial-gradient(ellipse at 5% 90%,#000 10%,transparent 70%);mask-image:radial-gradient(ellipse at 5% 90%,#000 10%,transparent 70%);opacity:.59}
#news .section-head,#news .news-list{position:relative;z-index:1}
@media(max-width:600px){
 #news::before{width:220px;height:250px;right:-95px;top:0;opacity:.36}
 #news::after{width:220px;height:270px;left:-115px;bottom:-35px;opacity:.3}
 #news .news-list{background:rgba(255,255,255,.65);border-radius:6px}
}
@media(prefers-reduced-transparency:reduce){#news::before,#news::after{opacity:.15}}

/* Monthly NEWS archive */
.news-month-nav{display:flex;align-items:center;justify-content:space-between;max-width:760px;margin:0 auto 32px;padding:12px 16px;border:1px solid rgba(124,180,211,.25);border-radius:14px;background:rgba(255,255,255,.78);backdrop-filter:blur(10px)}
.news-month-center{display:flex;flex-direction:column;align-items:center;gap:3px}
.news-month-label{font-size:clamp(20px,3vw,28px);font-weight:500;letter-spacing:.09em;font-variant-numeric:tabular-nums;color:#416982}
.news-month-sub{font-size:9px;letter-spacing:.22em;color:#8da8b7}
.news-month-arrow{border:0;background:transparent;color:#547f98;font-size:36px;line-height:1;cursor:pointer;width:46px;height:46px;border-radius:50%;transition:background .2s}
.news-month-arrow:hover:not(:disabled){background:rgba(144,199,226,.18)}
.news-month-arrow:disabled{opacity:.22;cursor:default}
.news-month-arrow:focus-visible{outline:2px solid #4a9aca;outline-offset:2px}
#news-list{touch-action:pan-y;min-height:75px}
@media(max-width:600px){.news-month-nav{margin-bottom:22px;padding:8px 10px}.news-month-arrow{width:42px;height:42px}}