:root{--washi:#f7f4ec;--washi2:#efe9dc;--sumi:#211f1b;--sumi2:#54504a;--shu:#a63d40;--ai:#2b4a63;--line:#d9d2c2;--gold:#b39352}
*{margin:0;padding:0;box-sizing:border-box}
body{background:var(--washi);color:var(--sumi);font-family:'Zen Kaku Gothic New','Hiragino Kaku Gothic ProN',sans-serif;line-height:1.9;letter-spacing:.02em}
.mincho{font-family:'Shippori Mincho','Hiragino Mincho ProN',serif}
a{color:var(--shu);text-decoration:none}
a:hover{opacity:.75}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
header.site{position:sticky;top:0;background:rgba(247,244,236,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:10}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-family:'Shippori Mincho',serif;font-weight:700;font-size:1.35rem;color:var(--sumi);letter-spacing:.12em}
.logo .jp{color:var(--shu)}
nav a{color:var(--sumi2);margin-left:28px;font-size:.92rem;letter-spacing:.1em}
nav a:hover{color:var(--shu);opacity:1}
/* hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:
 radial-gradient(circle at 85% 20%, rgba(166,61,64,.06), transparent 40%),
 radial-gradient(circle at 10% 90%, rgba(43,74,99,.05), transparent 45%)}
.hero .wrap{display:flex;align-items:center;justify-content:space-between;gap:40px;padding:88px 24px}
.hero h1{font-size:clamp(2rem,5vw,3.4rem);font-weight:700;line-height:1.5;letter-spacing:.08em}
.hero h1 .accent{color:var(--shu)}
.hero p.lead{margin-top:26px;max-width:34em;color:var(--sumi2);font-size:1.02rem}
.tate{writing-mode:vertical-rl;font-family:'Shippori Mincho',serif;font-size:clamp(1.1rem,2.4vw,1.6rem);letter-spacing:.5em;color:var(--sumi2);border-left:1px solid var(--line);padding-left:22px;height:15em;flex-shrink:0}
.seigaiha{position:absolute;inset:auto -60px -80px auto;width:420px;height:260px;opacity:.5;pointer-events:none}
/* sections */
section.block{padding:72px 0}
.sec-head{display:flex;align-items:baseline;gap:18px;margin-bottom:36px}
.sec-head h2{font-family:'Shippori Mincho',serif;font-size:1.7rem;letter-spacing:.14em}
.sec-head .en{color:var(--gold);font-size:.8rem;letter-spacing:.28em;text-transform:uppercase}
.sec-head::after{content:"";flex:1;height:1px;background:var(--line)}
/* project cards */
.projects{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.pcard{background:#fff;border:1px solid var(--line);padding:34px 32px;position:relative;transition:.25s}
.pcard:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(33,31,27,.08)}
.pcard h3{font-family:'Shippori Mincho',serif;font-size:1.35rem;letter-spacing:.1em;margin-bottom:6px}
.pcard .sub{color:var(--gold);font-size:.75rem;letter-spacing:.24em;text-transform:uppercase}
.pcard p{color:var(--sumi2);font-size:.93rem;margin-top:14px}
.pcard .stat{margin-top:18px;font-family:'Shippori Mincho',serif;font-size:1.05rem;color:var(--shu)}
.pcard a.cta{display:inline-block;margin-top:16px;font-size:.88rem;letter-spacing:.12em;border-bottom:1px solid var(--shu);padding-bottom:2px}
/* song list rows */
.songrow{display:flex;align-items:baseline;gap:18px;padding:18px 6px;border-bottom:1px solid var(--line)}
.songrow .no{font-family:'Shippori Mincho',serif;color:var(--gold);min-width:4.5em;font-size:.95rem}
.songrow a.t{font-family:'Shippori Mincho',serif;font-size:1.15rem;color:var(--sumi);letter-spacing:.08em}
.songrow a.t:hover{color:var(--shu)}
.songrow .poet{color:var(--sumi2);font-size:.85rem}
.songrow .badge{margin-left:auto;font-size:.72rem;letter-spacing:.14em;color:#fff;background:var(--shu);padding:3px 10px;border-radius:2px}
.songrow .badge.soon{background:var(--sumi2)}
/* hyakunin karuta grid */
.hgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(94px,1fr));gap:10px}
.hcell{border:2px solid #ccdcbc;background:#e9e5d8;aspect-ratio:100/138;display:flex;align-items:center;justify-content:center;position:relative;padding:12px 6px 8px;border-radius:3px;box-shadow:inset 0 0 0 1px rgba(255,253,247,.6),0 1px 2px rgba(33,31,27,.05);transition:transform .18s,box-shadow .18s}
.hcell.on:hover{transform:translateY(-4px)}
.hcell .n{position:absolute;top:5px;right:7px;font-size:.58rem;color:#b3ab98;letter-spacing:.04em}
.hcell .t{writing-mode:vertical-rl;font-family:'Shippori Mincho',serif;font-size:.72rem;line-height:2.1;letter-spacing:.05em;color:#aca38f;white-space:pre-line;max-height:100%;overflow:hidden}
.hcell.on{background:#fffdf7;border-color:#93b47e}
.hcell.on .t{color:var(--sumi)}
.hcell.on .n{color:var(--gold)}
.hcell.on:hover{border-color:var(--shu);box-shadow:0 4px 12px rgba(166,61,64,.15)}
.hcell.on:hover .t{color:var(--shu)}
/* release history */
.relrow{display:flex;gap:18px;align-items:flex-start;padding:16px 0 16px 8px;border-bottom:1px dashed var(--line);flex-wrap:wrap;transition:background .15s}
.relrow:hover{background:rgba(179,147,82,.06)}
.relrow .thumb{width:200px;max-width:100%;aspect-ratio:16/9;position:relative;cursor:pointer;border-radius:4px;overflow:hidden;flex-shrink:0;background:#000;transition:width .25s}
.relrow .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.relrow .thumb iframe{width:100%;height:100%;border:0;display:block}
.relrow .thumb .pl{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#fffdf7;font-size:1.6rem;background:rgba(33,31,27,.25);transition:.2s}
.relrow .thumb:hover .pl{background:rgba(166,61,64,.45)}
.relrow .thumb.playing{width:min(440px,100%)}
.relmeta{flex:1;min-width:220px}
.relmeta .rd{color:var(--gold);font-size:.78rem;letter-spacing:.15em}
.relmeta h3{font-size:1.15rem;letter-spacing:.1em;margin:2px 0}
.relmeta h3 a{color:var(--sumi)}
.relmeta .rs{color:var(--sumi2);font-size:.85rem}
.relmeta .golink{display:inline-block;margin-top:6px;font-size:.85rem;letter-spacing:.1em}
.nextrel{margin-top:14px;padding:12px 16px;background:var(--washi2);border:1px solid var(--line);border-radius:4px;color:var(--sumi2);font-size:.9rem}
/* song nav + share */
.songnav{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:22px 0;border-top:1px solid var(--line);font-size:.92rem;letter-spacing:.05em}
.songnav .mid{color:var(--sumi2)}
.songnav a{font-family:'Shippori Mincho',serif}
.sharex{display:inline-block;border:1px solid var(--line);border-radius:3px;padding:4px 14px;font-size:.82rem;color:var(--sumi2);letter-spacing:.08em}
.sharex:hover{border-color:var(--shu);color:var(--shu);opacity:1}
/* daily pick */
.dailyband{border-bottom:1px solid var(--line);background:linear-gradient(90deg,rgba(179,147,82,.08),transparent 60%)}
.dailyband .wrap{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:14px 24px}
.dailyband .lbl{color:var(--gold);font-family:'Shippori Mincho',serif;letter-spacing:.25em;font-size:.85rem;flex-shrink:0}
.dailyband .ttl{font-family:'Shippori Mincho',serif;font-size:1.05rem;letter-spacing:.08em}
.dailyband .sub{color:var(--sumi2);font-size:.82rem}
.dailyband button{margin-left:auto;font-family:'Shippori Mincho',serif;background:#fffdf7;border:1px solid var(--sumi);color:var(--sumi);padding:6px 18px;letter-spacing:.12em;font-size:.85rem;cursor:pointer;border-radius:2px}
.dailyband button:hover{border-color:var(--shu);color:var(--shu)}
.morebtn{display:block;margin:20px auto 0;font-family:'Shippori Mincho',serif;background:#fffdf7;border:1px solid var(--sumi);color:var(--sumi);padding:10px 32px;letter-spacing:.15em;font-size:.9rem;cursor:pointer;border-radius:2px}
.morebtn:hover{border-color:var(--shu);color:var(--shu)}
.playallbtn{display:inline-block;margin:0 0 18px;font-family:'Shippori Mincho',serif;background:var(--shu);border:1px solid var(--shu);color:#fffdf7;padding:10px 30px;letter-spacing:.15em;font-size:.92rem;cursor:pointer;border-radius:2px;transition:.2s}
.playallbtn:hover{opacity:.85}
#allplayer{display:none;margin-bottom:20px}
.tglbtn{font-family:'Shippori Mincho',serif;background:#fffdf7;border:1px solid var(--sumi);color:var(--sumi);padding:10px 28px;letter-spacing:.15em;font-size:.9rem;cursor:pointer;border-radius:2px;transition:.2s}
.tglbtn:hover{background:var(--sumi);color:var(--washi)}
/* song page */
.song-hero{padding:64px 0 48px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.song-hero.hasjk::before{content:'';position:absolute;inset:-20px;background-image:var(--jk);background-size:cover;background-position:center;opacity:.13;filter:blur(16px) saturate(1.1)}
.song-hero .wrap{position:relative;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.song-hero .jk{flex-shrink:0;width:min(210px,58vw);aspect-ratio:1;object-fit:cover;border:6px solid #fffdf7;border-radius:3px;box-shadow:0 10px 28px rgba(33,31,27,.22);transform:rotate(2.5deg);margin:0 auto;display:block}
.jkwrap{position:relative;flex-shrink:0;cursor:pointer;margin:0 auto}
.jkwrap .jkplay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:2.2rem;color:#fffdf7;text-shadow:0 2px 10px rgba(33,31,27,.6);opacity:0;transition:.2s;transform:rotate(2.5deg)}
.jkwrap:hover .jkplay{opacity:1}
.jkwrap:hover .jk{box-shadow:0 12px 32px rgba(166,61,64,.3)}
/* hero jacket collage */
.heroart{position:relative;width:290px;height:255px;flex-shrink:0}
.heroart a{position:absolute;width:165px;aspect-ratio:1;border:6px solid #fffdf7;border-radius:3px;box-shadow:0 8px 22px rgba(33,31,27,.2);transition:transform .2s,box-shadow .2s;display:block;overflow:hidden;opacity:1}
.heroart a img{width:100%;height:100%;object-fit:cover;display:block}
.heroart a:nth-child(1){left:0;top:34px;transform:rotate(-8deg);z-index:1}
.heroart a:nth-child(2){left:66px;top:0;transform:rotate(4deg);z-index:2}
.heroart a:nth-child(3){left:122px;top:52px;transform:rotate(11deg);z-index:3}
.heroart a:hover{transform:rotate(0deg) scale(1.07);z-index:9;box-shadow:0 14px 34px rgba(33,31,27,.3)}
@media(max-width:760px){.heroart{margin:8px auto 0}}
/* 季節の粒子 */
.ptc{position:absolute;pointer-events:none;z-index:0}
@keyframes ptcFall{0%{transform:translateY(-30px) translateX(0) rotate(0)}50%{transform:translateY(200px) translateX(26px) rotate(160deg)}100%{transform:translateY(430px) translateX(-12px) rotate(320deg)}}
@keyframes ptcRise{0%{transform:translateY(0) translateX(0)}45%{transform:translateY(-190px) translateX(22px)}100%{transform:translateY(-420px) translateX(-14px)}}
@keyframes ptcBlink{0%,100%{opacity:.1}50%{opacity:1}}
.ptc.sakura{width:15px;height:15px;background:#eeaebc;border-radius:68% 32% 66% 34%;opacity:.9;animation:ptcFall linear infinite}
.ptc.momiji{width:16px;height:16px;background:#c9703a;border-radius:60% 40% 55% 45%;opacity:.85;animation:ptcFall linear infinite}
.ptc.snow{width:10px;height:10px;background:#fff;border-radius:50%;opacity:.95;box-shadow:0 0 6px rgba(255,255,255,.9);animation:ptcFall linear infinite}
.ptc.hotaru{width:12px;height:12px;background:#e8951f;border-radius:50%;box-shadow:0 0 20px 9px rgba(232,149,31,.7);animation:ptcRise ease-in-out infinite,ptcBlink ease-in-out infinite}
.song-hero .no{color:var(--gold);letter-spacing:.3em;font-size:.85rem}
.song-hero h1{font-family:'Shippori Mincho',serif;font-size:clamp(1.8rem,4.5vw,2.8rem);letter-spacing:.12em;margin:10px 0 6px}
.song-hero .poet{color:var(--sumi2);letter-spacing:.15em}
.poem-card{margin:44px auto 0;background:#fff;border:1px solid var(--line);border-top:3px solid var(--shu);padding:44px 36px;display:flex;justify-content:center}
.poem-card .poem{writing-mode:vertical-rl;font-family:'Shippori Mincho',serif;font-size:1.35rem;line-height:2.6;letter-spacing:.22em;max-height:22em}
.three{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:8px}
.three .item{background:#fff;border:1px solid var(--line);padding:26px 24px}
.three h4{font-family:'Shippori Mincho',serif;color:var(--shu);letter-spacing:.18em;font-size:.95rem;margin-bottom:12px}
.three p{font-size:.9rem;color:var(--sumi2);text-align:justify}
.yt{position:relative;width:100%;aspect-ratio:16/9;background:var(--washi2);border:1px solid var(--line)}
.yt iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.yt .soon{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--sumi2);font-family:'Shippori Mincho',serif;letter-spacing:.3em}
.lyrics-box{background:#fff;border:1px solid var(--line);padding:40px 36px;column-gap:56px}
@media(min-width:820px){.lyrics-box{columns:2}}
.lyr-sec{break-inside:avoid;color:var(--gold);font-size:.75rem;letter-spacing:.2em;margin:18px 0 6px;text-transform:uppercase}
.lyr-line{break-inside:avoid;font-size:.95rem;line-height:2.05}
.lyr-gap{height:10px}
footer.site{border-top:1px solid var(--line);padding:48px 0;margin-top:40px;color:var(--sumi2);font-size:.85rem}
footer.site .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
footer.site a{margin-right:20px;color:var(--sumi2)}
footer.site a:hover{color:var(--shu)}
.crumb{padding:20px 0 0;font-size:.82rem;color:var(--sumi2)}
.crumb a{color:var(--sumi2)}
@media(max-width:760px){.hero .wrap{flex-direction:column-reverse;align-items:flex-start;padding:56px 24px}.tate{height:auto;writing-mode:horizontal-tb;border-left:none;padding-left:0;letter-spacing:.3em}}