:root{
  --sky:#d8f1f8; --shallow:#7fcbe6; --mid:#2a86b8; --deep:#0b2a48; --sand:#efd9a0; --hi:#ffd23f;
  --ink:#0f3550; --muted:#4d6b80; --paper:#f4fafc; --line:#d3e8f0;
  --display:"Zen Maru Gothic","Hiragino Maru Gothic ProN",sans-serif;
  --body:"BIZ UDPGothic","Hiragino Sans","Yu Gothic",sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
html,body{margin:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.7}
a{color:var(--mid)}
:focus-visible{outline:3px solid var(--hi);outline-offset:3px;border-radius:10px}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}

/* どうがの 字幕と おなじ「しろい もじ＋こんいろの ふち」 */
.sub{font-family:var(--display);font-weight:900;color:var(--deep);letter-spacing:.02em}

/* ---- うみの だんめん ---- */
.hero{position:relative;background:var(--sky);overflow:hidden}
.hero-top{position:relative;z-index:2;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:12px 24px;padding-top:22px}
.hero h1{margin:0;font-size:clamp(36px,6.4vw,66px);line-height:1.15;text-wrap:balance}
.hero h1 .l2{display:table;margin-top:12px;font-size:.46em;letter-spacing:.12em;color:#fff;background:var(--deep);border-radius:999px;padding:4px 22px 5px}
.lead{margin:10px 0 0;font-weight:700;font-size:16px;color:var(--ink)}
.lead b{font-family:var(--display);font-weight:900;font-size:22px;font-variant-numeric:tabular-nums}
.ext{display:flex;gap:8px;flex-wrap:wrap}
.ext a{display:inline-flex;align-items:center;gap:6px;text-decoration:none;font-weight:700;font-size:15px;color:var(--deep);background:#fff;border-radius:999px;padding:8px 16px;box-shadow:0 2px 0 var(--deep)}
.ext a:hover{background:var(--hi)}
.map{position:relative;height:clamp(460px,62vw,640px);margin-top:-104px}
.map svg.bg{position:absolute;inset:0;width:100%;height:100%;display:block}
.zone{position:absolute;left:var(--x);top:var(--y);transform:translate(-50%,-50%);display:inline-flex;align-items:center;gap:8px;font:inherit;font-weight:700;font-size:clamp(13px,1.6vw,17px);line-height:1.25;color:var(--deep);background:#fff;border:0;border-radius:999px;padding:7px 14px 7px 8px;cursor:pointer;box-shadow:0 3px 0 rgba(11,42,72,.35);white-space:nowrap}
.zone svg{flex:none;width:clamp(28px,3.4vw,40px);height:auto}
.zone:hover{background:var(--hi)}
.zone.dark{background:var(--deep);color:#fff;box-shadow:0 0 0 2px var(--hi)}
.zone.dark:hover{background:#163f66}
.zone small{display:block;font-weight:400;font-size:.8em;opacity:.8}
.maphint{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);margin:0;color:#cfe6f3;font-size:14px;white-space:nowrap}

/* ---- さがす ---- */
.tools{position:sticky;top:0;z-index:5;background:var(--deep);color:#fff;padding:12px 0}
.tools .wrap{display:flex;flex-direction:column;gap:10px}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
label.find{flex:1 1 280px;display:flex;align-items:center;gap:10px;background:#fff;border-radius:999px;padding:8px 18px}
#q{border:0;outline:0;font:inherit;font-size:18px;width:100%;background:transparent;color:var(--ink)}
label.find:focus-within{box-shadow:0 0 0 3px var(--hi)}
.mode{display:flex;border-radius:999px;padding:3px;background:rgba(255,255,255,.14)}
.mode button{font:inherit;font-weight:700;border:0;background:transparent;color:#d7ebf5;padding:7px 16px;border-radius:999px;cursor:pointer}
.mode button[aria-pressed="true"]{background:var(--hi);color:var(--deep)}
.jump{display:flex;flex-wrap:wrap;gap:6px}
.jump a,.jump span{font-family:var(--display);font-weight:900;font-size:19px;min-width:42px;height:42px;padding:0 6px;display:grid;place-items:center;border-radius:12px;text-decoration:none}
.jump a{color:var(--deep);background:#fff}
.jump a:hover{background:var(--hi)}
.jump span{color:rgba(255,255,255,.3)}
.jump.nk a{font-family:var(--body);font-weight:700;font-size:15px;padding:0 14px}

/* ---- いちらん ---- */
main{padding:26px 0 48px}
section.grp{margin:0 0 40px;scroll-margin-top:140px}
.gh{display:flex;align-items:flex-end;gap:14px;margin:0 0 16px;border-bottom:3px solid var(--line);padding-bottom:10px}
.gh .big{font-size:56px;line-height:1}
.gh .ic{flex:none;width:64px;height:64px;border-radius:50%;background:#fff;display:grid;place-items:center;box-shadow:0 0 0 3px var(--line)}
.gh .ic svg{width:42px;height:auto}
.thumb .ph svg{width:56px;height:auto}
.gh h2{margin:0;font-size:20px;line-height:1.4;font-weight:700}
.gh h2 small{display:block;font-size:14px;font-weight:400;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:22px 16px}
.card{all:unset;box-sizing:border-box;cursor:pointer;display:flex;flex-direction:column;gap:8px}
.thumb{aspect-ratio:9/14;border-radius:16px;overflow:hidden;position:relative;background:linear-gradient(180deg,var(--shallow),var(--mid))}
.thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .25s}
.card:hover .thumb img{transform:scale(1.04)}
.card:focus-visible .thumb{outline:3px solid var(--hi);outline-offset:3px}
.thumb .ph{position:absolute;inset:0;display:none;place-items:center;font-size:48px}
.thumb.noimg img{display:none}
.thumb.noimg .ph{display:grid}
.thumb .n{position:absolute;right:8px;top:8px;font-size:13px;font-weight:700;background:rgba(11,42,72,.78);color:#fff;border-radius:999px;padding:1px 9px;font-variant-numeric:tabular-nums}
.card .nm{font-weight:700;font-size:17px;line-height:1.35}
.card .ct{font-size:13px;color:var(--muted);line-height:1.3;margin-top:-6px}
.empty{font-size:18px;color:var(--muted);padding:40px 0;text-align:center}
.long{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}

/* どうがの ぎょう（ダイアログと まとめ） */
.vrow{display:flex;gap:14px;align-items:flex-start;text-decoration:none;color:var(--ink);padding:8px;border-radius:14px}
.vrow:hover{background:#e4f2f8}
.vrow .vt{flex:none;width:92px;aspect-ratio:9/16;border-radius:10px;overflow:hidden;background:linear-gradient(180deg,var(--shallow),var(--mid));position:relative}
.vrow.l .vt{width:150px;aspect-ratio:16/9}
.vrow .vt img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.vrow .vtx{display:flex;flex-direction:column;gap:4px;min-width:0}
.vrow .ttl{font-weight:700;line-height:1.5;overflow-wrap:anywhere}
.vrow .dt{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.kind{align-self:flex-start;font-size:12px;font-weight:700;border-radius:6px;padding:0 8px;background:var(--deep);color:#fff}
.kind.l{background:var(--hi);color:var(--deep)}

.matome{background:#fff;border-radius:24px;padding:24px;margin-top:8px}

dialog{border:0;border-radius:24px;padding:0;width:min(680px,calc(100% - 24px));max-height:calc(100% - 40px);color:var(--ink);background:#fff;overflow:auto}
dialog::backdrop{background:rgba(11,42,72,.6)}
.dh{position:sticky;top:0;z-index:1;background:var(--deep);color:#fff;padding:18px 20px;display:flex;justify-content:space-between;align-items:center;gap:12px}
.dh h3{margin:0;font-size:30px;line-height:1.2}
.dh h3{color:#fff}
.dh h3 small{display:block;font-family:var(--body);font-weight:400;font-size:14px;-webkit-text-stroke:0;color:#cfe6f3;margin-top:4px}
.dh button{font:inherit;font-weight:700;border:0;background:#fff;color:var(--deep);border-radius:999px;padding:7px 16px;cursor:pointer}
.dh button:hover{background:var(--hi)}
.dl{display:flex;flex-direction:column;gap:4px;padding:12px}

footer{background:var(--deep);color:#cfe6f3;font-size:14px;padding:26px 0 30px}
footer .wrap{display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:space-between}
footer p{margin:0}
footer a{color:#fff}

@media (max-width:640px){
  .tools{position:static}
  section.grp{scroll-margin-top:12px}
  .map{height:580px;margin-top:-96px}
  .zone{left:var(--mx);top:var(--my)}
  .lead span{display:inline-block}
  .maphint{font-size:12px;bottom:8px}
  .grid{grid-template-columns:repeat(2,1fr);gap:18px 12px}
  .gh .big{font-size:46px}
  .matome{padding:16px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* ---- いきものの ページ ---- */
.bar{background:var(--sky)}
.bar .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 20px;padding-top:14px;padding-bottom:14px}
.logo{font-family:var(--display);font-weight:900;font-size:22px;color:var(--deep);text-decoration:none;line-height:1.2}
.logo small{display:inline-block;margin-left:8px;font-size:13px;letter-spacing:.1em;color:#fff;background:var(--deep);border-radius:999px;padding:1px 12px;vertical-align:4px}
.bar nav{display:flex;gap:8px;flex-wrap:wrap}
.bar nav a{font-weight:700;font-size:15px;text-decoration:none;color:var(--deep);background:#fff;border-radius:999px;padding:6px 14px;box-shadow:0 2px 0 var(--deep)}
.bar nav a:hover{background:var(--hi)}
.crumb{font-size:14px;color:var(--muted);margin:18px 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:4px 0}
.crumb li+li::before{content:"›";margin:0 8px;color:#9bb6c6}
.crumb a{color:var(--muted)}
.sph{display:flex;align-items:center;gap:18px;margin:14px 0 22px}
.sph .ic{flex:none;width:84px;height:84px;border-radius:50%;background:#fff;display:grid;place-items:center;box-shadow:0 0 0 3px var(--line)}
.sph .ic svg{width:56px;height:auto}
.sph h1{margin:0;font-family:var(--display);font-weight:900;font-size:clamp(34px,6vw,52px);line-height:1.15;color:var(--deep)}
.sph .yomi{margin:4px 0 0;font-size:15px;color:var(--muted)}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 0;padding:0;list-style:none}
.tags a{display:inline-block;font-size:14px;font-weight:700;text-decoration:none;color:var(--deep);background:#fff;border:2px solid var(--line);border-radius:999px;padding:2px 12px}
.tags a:hover{border-color:var(--deep)}
.vids{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:26px 20px;align-items:start}
.vid{display:flex;flex-direction:column;gap:8px;min-width:0}
.vid.l{grid-column:span 2}
.player{position:relative;aspect-ratio:9/16;border-radius:16px;overflow:hidden;background:linear-gradient(180deg,var(--shallow),var(--mid))}
.vid.l .player{aspect-ratio:16/9}
.player button{all:unset;cursor:pointer;position:absolute;inset:0;display:block}
.player img{width:100%;height:100%;object-fit:cover;display:block}
.player .pl{position:absolute;left:50%;top:50%;width:72px;height:72px;margin:-36px 0 0 -36px;border-radius:50%;background:rgba(11,42,72,.82);display:grid;place-items:center;box-shadow:0 0 0 4px rgba(255,255,255,.85)}
.player button:hover .pl,.player button:focus-visible .pl{background:var(--deep);box-shadow:0 0 0 4px var(--hi)}
.player button:focus-visible{outline:3px solid var(--hi);outline-offset:-3px}
.player iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.vid .ttl{font-weight:700;line-height:1.5;overflow-wrap:anywhere}
.vid .dt{font-size:13px;color:var(--muted);display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.vid .dt a{color:var(--muted)}
.rel{margin-top:44px}
.rel h2{font-size:20px;margin:0 0 14px;border-bottom:3px solid var(--line);padding-bottom:8px}
.rel .grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr))}
.note{font-size:14px;color:var(--muted);margin:28px 0 0}
@media (max-width:640px){
  .vids{grid-template-columns:repeat(2,1fr);gap:20px 12px}
  .vid.l{grid-column:span 2}
  .sph .ic{width:64px;height:64px}.sph .ic svg{width:42px}
  .logo small{display:block;margin:4px 0 0;width:max-content}
  .rel .grid{grid-template-columns:repeat(2,1fr)}
}

/* ---- ふりがな ---- */
/* ---- マーク・きほんデータ ---- */
.mk{display:inline-block;font-size:14px;font-weight:700;border-radius:999px;padding:2px 12px;border:2px solid transparent}
.mk.eat{background:#e3f4e1;color:#24672b;border-color:#bfe3ba}
.mk.doku{background:#fde6e1;color:#a3321d;border-color:#f6c3b7}
.kihon{background:#fff;border-radius:20px;padding:16px 20px;margin:0 0 26px;max-width:760px}
.kihon h2{font-size:16px;margin:0 0 8px;color:var(--muted)}
.kihon dl{margin:0;display:grid;gap:6px}
.kihon dl div{display:grid;grid-template-columns:9.5em 1fr;gap:12px;border-top:1px solid var(--line);padding-top:6px}
.kihon dl div:first-child{border-top:0;padding-top:0}
.kihon dt{font-weight:700;color:var(--deep)}
.kihon dd{margin:0}
.tags.th a{background:var(--deep);color:#fff;border-color:var(--deep)}
.tags.th a:hover{background:#163f66}
.lead2{margin:8px 0 0;max-width:40em}
/* ---- テーマ（トップ） ---- */
.themes{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.thc{display:flex;gap:12px;align-items:center;background:#fff;border-radius:16px;padding:8px;text-decoration:none;color:var(--ink)}
.thc:hover{background:#e4f2f8}
.thi{flex:none;width:64px;height:64px;border-radius:12px;overflow:hidden;background:linear-gradient(180deg,var(--shallow),var(--mid))}
.thi img{width:100%;height:100%;object-fit:cover;display:block}
.tht b{display:block;line-height:1.4}
.tht small{color:var(--muted);font-size:13px}
@media (max-width:640px){.kihon dl div{grid-template-columns:1fr;gap:0}.themes{grid-template-columns:1fr}}

/* チャンネル登録 */
.bar nav a.subbtn,.ext a.subbtn,a.subbtn{background:#e62117;color:#fff;box-shadow:0 2px 0 #8a130d;text-decoration:none;font-weight:700;border-radius:999px}
.bar nav a.subbtn:hover,.ext a.subbtn:hover,a.subbtn:hover{background:#c41a12}
.subcta{margin:32px auto 0;padding:20px;border-radius:20px;background:#fff;box-shadow:0 2px 0 var(--deep);text-align:center;display:flex;flex-direction:column;align-items:center;gap:10px}
.subcta p{margin:0;font-weight:700;color:var(--deep)}
.subcta a.subbtn{display:inline-block;font-size:18px;padding:12px 26px}
.subcta small{color:var(--muted);font-size:13px}

/* 人気ランキング・新しい動画(横にすべらせる列) */
.hrow{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 2px 12px;-webkit-overflow-scrolling:touch}
.vc{flex:0 0 150px;scroll-snap-align:start;display:flex;flex-direction:column;gap:6px;text-decoration:none;color:var(--deep)}
.vth{position:relative;display:block;aspect-ratio:9/16;border-radius:14px;overflow:hidden;background:linear-gradient(180deg,var(--shallow),var(--mid));box-shadow:0 2px 0 var(--deep)}
.vth img{width:100%;height:100%;object-fit:cover;display:block}
.vc:hover .vth img{transform:scale(1.04)}
.rk,.nw{position:absolute;left:8px;top:8px;min-width:34px;height:34px;padding:0 8px;box-sizing:border-box;border-radius:999px;display:grid;place-items:center;font-weight:900;font-size:18px;background:#fff;color:var(--deep);box-shadow:0 2px 0 var(--deep)}
.rk.r1{background:#ffd23f}.rk.r2{background:#dfe6ec}.rk.r3{background:#e8b07a}
.nw{font-size:13px;background:#e62117;color:#fff;box-shadow:0 2px 0 #8a130d}
.vc .vt{font-weight:700;font-size:14px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
/* スマホでは動画を1列・大きく */
@media (max-width:640px){
  .vids{grid-template-columns:minmax(0,360px);justify-content:center}
  .vid.l{grid-column:auto}
  .vc{flex-basis:132px}
}