/* 楕円（OVAL）と赤・黄・青・緑の４色。地と本文はニュートラルにまとめる。 */
:root{
  --red:#e75b5b; --yellow:#f4c542; --blue:#3c84d8; --green:#32976b;
  --red-ink:#b23942; --yellow-ink:#80611a; --blue-ink:#2364a8; --green-ink:#237451;
  --four-colors:linear-gradient(90deg,var(--red) 0% 25%,var(--yellow) 25% 50%,var(--blue) 50% 75%,var(--green) 75% 100%);
  --accent:var(--red); --accent-ink:var(--red-ink);
  --field:#2364a8;
  --field-deep:#18293e;
  --ball:var(--yellow);
  --ball-ink:var(--yellow-ink);
  --bg:#f8f8f5;
  --surface:#ffffff;
  --ink:#202935;
  --muted:#5c6570;
  --line:#dfe3e8;
  --chalk:#ffffff;         /* グラウンドのライン */
  --mock:#c2410c;          /* モック注記の色 */
  --mock-bg:#fff1e6;
  --apply-bg:linear-gradient(135deg,#ca4442 0%,#c73940 56%,#f06445 100%);
  --apply-ink:#ffffff;
  --apply-muted:#fff0ed;
  --apply-accent:#ffe27a;
  --font-display:"Dela Gothic One","Hiragino Sans","Noto Sans JP",sans-serif;
  --font-body:"Zen Kaku Gothic New","Hiragino Sans","Noto Sans JP","Yu Gothic",sans-serif;
  --font-num:"Barlow Condensed","Zen Kaku Gothic New",sans-serif;
  --r:14px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --field:#2f699d; --field-deep:#101c2c;
    --red-ink:#ff9696; --yellow-ink:#f4d879; --blue-ink:#8ebeff; --green-ink:#83d7ab;
    --bg:#121b28; --surface:#1b2736; --ink:#edf0f5; --muted:#adb8c7; --line:#344254;
    --chalk:#edf0f5; --mock:#ffb07a; --mock-bg:#2b1c12; color-scheme:dark;
    --apply-bg:linear-gradient(135deg,#e44848 0%,#c92f3c 58%,#e45742 100%);
    --apply-ink:#ffffff; --apply-muted:#ffe9e5; --apply-accent:#ffe27a;
  }
}
:root[data-theme="dark"]{
  --field:#2f699d; --field-deep:#101c2c;
  --red-ink:#ff9696; --yellow-ink:#f4d879; --blue-ink:#8ebeff; --green-ink:#83d7ab;
  --bg:#121b28; --surface:#1b2736; --ink:#edf0f5; --muted:#adb8c7; --line:#344254;
  --chalk:#edf0f5; --mock:#ffb07a; --mock-bg:#2b1c12; color-scheme:dark;
  --apply-bg:linear-gradient(135deg,#e44848 0%,#c92f3c 58%,#e45742 100%);
  --apply-ink:#ffffff; --apply-muted:#ffe9e5; --apply-accent:#ffe27a;
}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.8;margin:0}
a{color:inherit}
h1,h2,h3{text-wrap:balance;line-height:1.35;margin:0}
p{margin:0}
.wrap{max-width:1080px;margin:0 auto;padding-inline:20px}
section{padding-block:72px}
/* 固定ヘッダーと各欄の上余白に合わせて、見出しが見える位置へ移動する。 */
main section[id]{scroll-margin-top:var(--anchor-offset,80px)}
.eyebrow{font-family:var(--font-num);letter-spacing:.14em;text-transform:uppercase;font-size:14px;color:var(--accent-ink);font-weight:700}
.sec-title{font-family:var(--font-display);font-weight:400;font-size:clamp(26px,4.4vw,38px);margin-top:6px}
.lead{color:var(--muted);margin-top:12px;max-width:42em}
.head{display:grid;gap:0;margin-bottom:36px}
.mock-note{display:inline-block;background:var(--mock-bg);color:var(--mock);font-size:12.5px;font-weight:700;padding:2px 10px;border-radius:999px;border:1px dashed var(--mock);line-height:1.6}
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-body);font-weight:700;font-size:16px;border-radius:999px;padding:12px 24px;border:2px solid transparent;cursor:pointer;text-decoration:none;transition:transform .15s ease, background .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid var(--ball);outline-offset:3px}
.btn-ball{background:var(--ball);color:#1c1206}
.btn-ghost{background:transparent;color:var(--chalk);border-color:var(--chalk)}
.btn-field{background:var(--field);color:#fff}
.btn-line{background:transparent;color:var(--ink);border-color:var(--line)}

/* 共通の帯とヘッダー */
.family{background:var(--field-deep);color:#edf0f5;font-size:13px}
.family::before{content:"";display:block;height:4px;background:var(--four-colors)}
.family .wrap{display:flex;flex-wrap:wrap;gap:6px 16px;align-items:center;padding-block:6px}
.family a{color:#edf0f5;text-decoration:none;opacity:.8}
.family a[aria-current]{opacity:1;font-weight:700;border-bottom:2px solid var(--ball)}
header.site{position:sticky;top:env(safe-area-inset-top,0px);z-index:40;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;gap:16px;padding-block:10px}
.logo{flex-shrink:0;display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--font-display);font-size:20px;color:var(--ink)}
:root:not([data-theme="light"]) .logo{color:var(--ink)}
.logo svg{flex:none}
nav.main{margin-left:auto;display:flex;gap:4px;align-items:center}
nav.main a{white-space:nowrap;text-decoration:none;font-size:14.5px;font-weight:500;padding:6px 10px;border-radius:8px}
nav.main a:hover{background:var(--line)}
nav.main .btn{padding:8px 18px;font-size:14.5px;margin-left:6px}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font:inherit;color:var(--ink);cursor:pointer}
@media (max-width:1040px){
  .menu-btn{display:block}
  nav.main{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;background:var(--surface);border-bottom:1px solid var(--line);padding:12px 20px 18px}
  nav.main.open{display:flex}
  nav.main .btn{margin:8px 0 0;justify-content:center}
}

/* ヒーロー */
.hero{background:var(--field-deep);color:#fff;position:relative;overflow:hidden;padding-block:0}
.hero::after{content:"";position:absolute;inset:auto 0 0;height:6px;background:var(--four-colors);z-index:3}
.hero .wrap{position:relative;z-index:1;padding-block:72px 64px;display:grid;gap:22px}
.hero-art{position:absolute;inset:0;z-index:0}
.hero-art svg{width:100%;height:100%;display:block}
.hero h1{font-family:var(--font-display);font-weight:400;font-size:clamp(34px,7.6vw,72px);line-height:1.2;letter-spacing:.01em}
.hero h1 .o{color:var(--ball)}
.hero .name{font-family:var(--font-num);font-size:18px;letter-spacing:.3em;opacity:.9}
.hero .sub{font-size:clamp(15px,2.2vw,18px);max-width:34em;opacity:.95}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
@media (prefers-reduced-motion:no-preference){
  .roll{animation:roll 9s ease-in-out infinite;transform-origin:center;transform-box:fill-box}
  @keyframes roll{0%,100%{transform:rotate(-14deg) translateX(0)}50%{transform:rotate(10deg) translateX(-18px)}}
}

/* オーバルの活動予定 */
.next{padding-block:0;margin-top:24px;position:relative;z-index:2}
.next-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:0 10px 30px rgba(18,53,40,.12);display:grid;gap:14px}
.next-top{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center}
.next-top h2{font-size:22px}
.schedule-caption{font-size:14px;color:var(--muted)}
.schedule-links{display:flex;justify-content:flex-end}
.schedule-links .btn{font-size:14px;padding:8px 18px}
.next-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.next-item{border:1px solid var(--line);border-radius:12px;padding:12px 14px;display:grid;gap:2px}
.next-item .d{font-family:var(--font-num);font-size:28px;font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums}
.next-item .d small{font-family:var(--font-body);font-size:14px;font-weight:700;margin-left:4px}
.next-item .m{font-size:14px;color:var(--muted)}
.next-item .next-name{font-size:16px;line-height:1.5;margin-top:6px;overflow-wrap:anywhere}
.next-item .next-time{font-family:var(--font-num);font-size:20px;font-weight:700}
.next-item.cancel{border-color:#c43d3d;background:color-mix(in srgb,#c43d3d 8%,var(--surface))}
.next-item.cancel .flag{color:var(--red-ink);font-weight:700;font-size:13px}
@media (max-width:720px){.next-list{grid-template-columns:1fr}}

/* 特徴 */
.features{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.feature{display:grid;gap:10px;align-content:start}
.feature .ov{width:64px;height:40px}
.feature h3{font-size:20px}
.feature p{color:var(--muted)}
@media (max-width:820px){.features{grid-template-columns:1fr}}

/* 数字 */
.stats-band{background:var(--field-deep);color:#fff}
.stats-band .eyebrow{color:var(--ball)}
.stats-band .lead{color:#d8e1ed}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.stat{border-top:2px solid rgba(255,255,255,.25);padding-top:12px}
.stat .n{font-family:var(--font-num);font-size:clamp(44px,7vw,64px);font-weight:700;line-height:1;color:var(--ball);font-variant-numeric:tabular-nums}
.stat .n small{font-size:.4em;margin-left:4px;color:#fff}
.stat .l{font-size:14px;color:#d8e1ed;margin-top:6px}
@media (max-width:760px){.stats{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* 活動記録・お知らせ */
.posts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.post{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-align:left;font:inherit;color:inherit;padding:0;cursor:pointer;display:grid;grid-template-rows:auto 1fr}
.post .ph{aspect-ratio:4/3;max-width:100%}
.post .tx{padding:14px 16px 18px;display:grid;gap:6px;align-content:start}
.post .date{font-family:var(--font-num);font-size:14px;color:var(--muted);letter-spacing:.06em}
.post h3{font-size:16.5px}
.post p{font-size:14px;color:var(--muted)}
.reads{display:grid;grid-template-columns:1.3fr 1fr;gap:18px;margin-top:0}
.reads.single{grid-template-columns:1fr}
.read{display:grid;grid-template-columns:minmax(0,1fr);background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;cursor:pointer;text-align:left;font:inherit;color:inherit;padding:0}
.read .cover{aspect-ratio:16/8;max-width:100%;display:grid;place-items:end start;padding:18px;color:#fff;background:linear-gradient(135deg,var(--field) 0%,var(--field-deep) 100%);position:relative}
.read .cover b{font-family:var(--font-display);font-weight:400;font-size:clamp(18px,2.6vw,24px);position:relative}
.read .tx{padding:14px 18px 18px;display:grid;gap:4px}
.read .k{font-size:12.5px;font-weight:700;color:var(--ball-ink)}
.read p{font-size:14px;color:var(--muted)}
.sub-reads{display:grid;gap:18px}
.row-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
@media (max-width:860px){.posts{grid-template-columns:1fr}.reads{grid-template-columns:1fr}}

/* 記事がない間も、掲載場所と内容が分かる案内を残す。 */
.content-placeholder{display:grid;grid-template-columns:minmax(200px,.7fr) minmax(0,1.3fr);border:1px dashed var(--line);border-radius:var(--r);overflow:hidden;background:var(--surface)}
.placeholder-art{display:grid;place-content:center;justify-items:center;gap:12px;padding:30px 20px;background:color-mix(in srgb,var(--accent) 10%,var(--surface));color:var(--accent-ink);font-size:13px;font-weight:700;text-align:center}
.placeholder-art svg{width:136px;max-width:100%;height:85px;stroke:currentColor;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.placeholder-copy{display:grid;gap:10px;align-content:center;padding:28px 30px}
.placeholder-label{justify-self:start;padding:2px 10px;border:1px solid var(--line);border-radius:999px;font-size:12px;color:var(--muted)}
.placeholder-copy h3{font-size:clamp(18px,2.2vw,23px);line-height:1.5}
.placeholder-copy p{font-size:14.5px;color:var(--muted)}
#notices{--accent:var(--green);--accent-ink:var(--green-ink)}
@media (max-width:600px){.content-placeholder{grid-template-columns:1fr}.placeholder-art{padding:22px 20px}.placeholder-copy{padding:22px}}

/* サークル */
.circles{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:18px}
.circle{border-radius:var(--r);padding:22px;display:grid;gap:10px;align-content:start;border:1px solid var(--line);background:var(--surface)}
.circle.main{background:#237451;color:#fff;border-color:transparent}
.circle.main p{color:#d6e7dd}
.circle h3{font-size:21px}
.circle p{font-size:14.5px;color:var(--muted)}
.circle .tag{font-size:12.5px;font-weight:700;border-radius:999px;padding:2px 10px;justify-self:start}
.circle.main .tag{background:var(--ball);color:#1c1206}
.circle .tag.plan{background:var(--line);color:var(--ink)}
.circle.new{border-style:dashed;background:transparent;place-content:center;text-align:center}
.circle.new h3{font-family:var(--font-display);font-weight:400}
@media (max-width:860px){.circles{grid-template-columns:1fr}}

/* メンバー募集 */
.join{background:var(--surface);border-block:1px solid var(--line)}
.who{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.who div{border:1px solid var(--line);border-radius:12px;padding:16px;display:grid;gap:6px;align-content:start}
.who b{font-size:16px}
.who span{font-size:14px;color:var(--muted)}
@media (max-width:860px){.who{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:480px){.who{grid-template-columns:1fr}}
.sub-h{font-size:20px;margin:48px 0 18px;display:flex;gap:10px;align-items:baseline}
.day{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.day div{padding:14px;border-right:1px solid var(--line);display:grid;gap:2px}
.day div:last-child{border-right:0}
.day .t{font-family:var(--font-num);font-size:20px;font-weight:700;color:var(--field);font-variant-numeric:tabular-nums}
:root:not([data-theme="light"]) .day .t{color:var(--ball)}
.day b{font-size:15px}
.day span{font-size:13px;color:var(--muted)}
@media (max-width:760px){.day{grid-template-columns:1fr}.day div{border-right:0;border-bottom:1px solid var(--line)}.day div:last-child{border-bottom:0}}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;counter-reset:s}
.step{position:relative;padding:18px 16px 16px;border-radius:12px;background:var(--bg);display:grid;gap:6px;align-content:start}
.step::before{counter-increment:s;content:counter(s);font-family:var(--font-num);font-weight:700;font-size:15px;width:30px;height:30px;border-radius:50%/40%;display:grid;place-items:center;background:var(--field);color:#fff}
.step b{font-size:16px}
.step span{font-size:14px;color:var(--muted)}
@media (max-width:860px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:480px){.steps{grid-template-columns:1fr}}
.voices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.voice{border-left:3px solid var(--ball);padding:4px 0 4px 14px;display:grid;gap:6px}
.voice q{font-size:15.5px;quotes:"「" "」"}
.voice span{font-size:13px;color:var(--muted)}
@media (max-width:760px){.voices{grid-template-columns:1fr}}
.quiz{margin-top:48px;background:var(--field);color:#fff;border-radius:var(--r);padding:26px;display:grid;gap:14px}
.quiz h3{font-family:var(--font-display);font-weight:400;font-size:22px}
.quiz .q{font-weight:700}
.quiz .opts{display:flex;flex-wrap:wrap;gap:10px}
.quiz .opts button{font:inherit;font-size:15px;border-radius:999px;padding:8px 18px;border:2px solid rgba(255,255,255,.6);background:transparent;color:#fff;cursor:pointer}
.quiz .opts button:hover{background:rgba(255,255,255,.12)}
.quiz .result{background:rgba(0,0,0,.2);border-radius:12px;padding:16px;display:grid;gap:10px}
.join-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}

/* 保護者 */
.parents{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.pcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px;display:grid;gap:10px;align-content:start}
.pcard h3{font-size:19px}
.pcard p,.pcard li{font-size:14.5px;color:var(--muted)}
.pcard ul{margin:0;padding-left:1.2em}
.price{font-family:var(--font-num);font-size:44px;font-weight:700;line-height:1;color:var(--field);font-variant-numeric:tabular-nums}
:root:not([data-theme="light"]) .price{color:var(--ball)}
.price small{font-family:var(--font-body);font-size:15px;color:var(--muted);font-weight:500;margin-left:6px}
.compare{width:100%;border-collapse:collapse;font-size:14px}
.compare caption{text-align:left;font-size:12px;color:var(--muted);padding-bottom:8px}
.compare th,.compare td{border-bottom:1px solid var(--line);padding:8px 6px;text-align:left;vertical-align:top}
.compare th{color:var(--muted);font-weight:500;white-space:nowrap}
.tbl{overflow-x:auto}
.faq{display:grid;gap:8px;margin-top:22px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 16px}
.faq summary{cursor:pointer;font-weight:700}
.faq details p{margin-top:8px;color:var(--muted);font-size:14.5px}
@media (max-width:760px){.parents{grid-template-columns:1fr}}

/* やってみたいボード */
.board{display:flex;flex-wrap:wrap;gap:12px}
.note-chip{background:var(--surface);border:1px solid var(--line);border-radius:40% 40% 40% 40%/50%;padding:14px 22px;font-size:15px;display:grid;gap:2px;min-width:0}
.note-chip.done{background:var(--ball);color:#1c1206;border-color:transparent}
.note-chip small{font-size:12px;opacity:.75}

/* つながり */
.family-path{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;align-items:stretch}
.stage{padding:24px;display:grid;gap:10px;align-content:start;justify-items:start;position:relative}
.stage:not(:last-child)::after{content:"";position:absolute;right:-12px;top:50%;width:24px;height:24px;border-top:3px solid var(--ball);border-right:3px solid var(--ball);transform:translateY(-50%) rotate(45deg);z-index:1}
.stage.krc{background:color-mix(in srgb,var(--field) 12%,var(--surface));border-radius:var(--r) 0 0 var(--r)}
.stage.oval{background:#2364a8;color:#fff}
.stage.oval p{color:#d6e7dd}
.stage.future{background:var(--surface);border:1px solid var(--line);border-radius:0 var(--r) var(--r) 0}
.stage .age{font-family:var(--font-num);font-weight:700;letter-spacing:.08em;font-size:15px;color:var(--ball-ink)}
.stage.oval .age{color:var(--ball)}
.stage h3{font-size:20px}
.stage p{font-size:14.5px;color:var(--muted)}
.emblem-ph{width:72px;height:72px}
@media (max-width:820px){.family-path{grid-template-columns:1fr}.stage{border-radius:var(--r)!important;margin-bottom:22px}.stage:not(:last-child)::after{right:auto;left:50%;top:auto;bottom:-20px;transform:translateX(-50%) rotate(135deg)}}

/* 一緒につくる */
.help{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.hcard{border:1px solid var(--line);background:var(--surface);border-radius:var(--r);padding:22px;display:grid;gap:10px;align-content:start}
.hcard h3{font-size:19px}
.hcard p,.hcard li{font-size:14.5px;color:var(--muted)}
.hcard ul{margin:0;padding-left:1.2em}
.role-list{display:grid;gap:6px;margin:0;padding:0;list-style:none}
.role-list li{display:flex;justify-content:space-between;gap:10px;border-bottom:1px dashed var(--line);padding-bottom:4px}
.role-list li span:last-child{white-space:nowrap;font-size:13px}
@media (max-width:860px){.help{grid-template-columns:1fr}}
.plans{display:grid;gap:6px}
.plans div{display:flex;justify-content:space-between;gap:10px;font-size:14px;border-bottom:1px solid var(--line);padding-bottom:4px}

/* 協賛バナー */
.sponsors{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.sp{aspect-ratio:3/1;max-width:100%;border:1px solid var(--line);border-radius:10px;background:var(--surface);display:grid;place-items:center;font-weight:700;color:var(--muted);font-size:14px;text-align:center;padding:6px;cursor:pointer;font-family:inherit}
.sp.gold{grid-column:span 2;aspect-ratio:auto;min-height:96px;font-size:17px;color:var(--ink)}
.sp.empty{border-style:dashed;color:var(--ball-ink)}
@media (max-width:760px){.sponsors{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* 申込 */
.apply{background:var(--apply-bg);color:var(--apply-ink);border-block:1px solid color-mix(in srgb,var(--red) 36%,transparent)}
.apply .eyebrow{color:var(--apply-accent)}
.apply .sec-title::after{background:var(--four-colors)}
.apply .lead{color:var(--apply-muted)}
.apply-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:28px;align-items:start}
.apply ul{margin:0;padding-left:1.2em;color:var(--apply-muted);font-size:14.5px}
.apply .small{font-size:13.5px;color:var(--apply-muted)}
form.mock{background:var(--surface);color:var(--ink);border-radius:var(--r);padding:22px;display:grid;gap:12px}
form.mock label{display:grid;gap:4px;font-size:14px;font-weight:700}
form.mock input,form.mock select{font:inherit;font-weight:400;padding:9px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);width:100%}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:820px){.apply-grid{grid-template-columns:1fr}}
@media (max-width:480px){.two{grid-template-columns:1fr}}

/* ゲーム・フッター */
.game{display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;border:2px dashed var(--line);border-radius:var(--r);padding:22px}
.game h3{font-size:19px}
.game p{color:var(--muted);font-size:14.5px}
footer{background:var(--field-deep);color:#d8e1ed;font-size:14px}
footer::before{content:"";display:block;height:5px;background:var(--four-colors)}
footer .wrap{padding-block:44px 36px;display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:28px}
footer h4{color:#fff;font-size:14px;margin:0 0 8px}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:4px}
footer button.link{background:none;border:0;padding:0;font:inherit;color:inherit;cursor:pointer;text-align:left;text-decoration:underline;text-underline-offset:3px}
footer .copy{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.12);padding-top:16px;font-size:12.5px}
@media (max-width:820px){footer .wrap{grid-template-columns:1fr 1fr}}


/* 記事ページ */
.article{max-width:760px;margin:0 auto;padding-block:48px 72px;display:grid;gap:20px}
.article h1{font-family:var(--font-display);font-weight:400;font-size:clamp(24px,4vw,34px)}
.article .date{font-family:var(--font-num);color:var(--muted);letter-spacing:.06em}
.article .body{white-space:pre-wrap;font-size:16.5px}
.article .gallery{display:grid;gap:12px}
.article .gallery img{width:100%;border-radius:12px;display:block}
.preview-bar{background:var(--mock-bg);color:var(--mock);border:1px dashed var(--mock);border-radius:12px;padding:12px 16px;font-weight:700}
.list{display:grid;gap:14px;max-width:860px;margin:0 auto;padding-block:48px 72px}
.list a.item{display:grid;grid-template-columns:140px minmax(0,1fr);gap:16px;text-decoration:none;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.list a.item img,.list a.item .noimg{width:140px;height:105px;object-fit:cover;display:block;background:var(--field)}
.list a.item .tx{padding:12px 14px 12px 0;display:grid;gap:4px;align-content:center}
.pager{display:flex;gap:10px;justify-content:center}
.prose{max-width:760px;margin:0 auto;padding-block:48px 72px;display:grid;gap:14px}
.prose h1{font-family:var(--font-display);font-weight:400;font-size:clamp(24px,4vw,32px)}
.prose h2{font-size:19px;margin-top:12px}
.prose p,.prose li{color:var(--muted)}
.post img.ph-img,.read img.cover-img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}
.read img.cover-img{aspect-ratio:16/8}
.empty-note{color:var(--muted);font-size:14.5px}
.hero.has-photo .hero-art{background-size:cover;background-position:center}
.hero.has-photo .hero-art::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,53,40,.88) 0%,rgba(18,53,40,.55) 60%,rgba(18,53,40,.25) 100%)}

/* 写真と、各セクションの案内役 */
.hero-photo{display:block;width:100%;height:100%;object-fit:cover;object-position:65% center}
.hero.has-photo .hero-art::after{background:linear-gradient(90deg,rgba(21,30,43,.93) 0%,rgba(21,30,43,.77) 35%,rgba(21,30,43,.23) 70%,rgba(21,30,43,.08) 100%)}
.hero.has-photo .sub{max-width:30em}
.sample-image-label{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:2;width:max-content;max-width:100%;color:rgba(255,255,255,.58);font-size:clamp(14px,2.2vw,28px);font-weight:300;line-height:1.5;letter-spacing:.08em;text-align:center;white-space:nowrap;pointer-events:none}
.head.has-guide{grid-template-columns:minmax(0,1fr) 300px;column-gap:32px;align-items:center}
.head.has-guide>.eyebrow,.head.has-guide>.sec-title,.head.has-guide>.lead{grid-column:1}
.section-guide{display:flex;align-items:center;max-width:300px;isolation:isolate}
.head.has-guide>.section-guide{grid-column:2;grid-row:1 / span 3;align-self:center;justify-self:end}
.guide-bubble{position:relative;min-width:0;flex:1;padding:12px 15px;background:var(--surface);border:1px solid var(--line);border-radius:18px;color:var(--ink);font-size:14px;font-weight:700;line-height:1.75}
.guide-bubble::after{content:"";position:absolute;right:-7px;top:50%;width:12px;height:12px;background:var(--surface);border-top:1px solid var(--line);border-right:1px solid var(--line);transform:translateY(-50%) rotate(45deg)}
.section-guide img{display:block;flex:none;width:116px;height:136px;object-fit:contain;margin-left:4px;transform:rotate(3deg)}
.hero .section-guide{position:absolute;right:20px;bottom:60px;width:300px}
.hero .guide-bubble,.apply .guide-bubble{background:#fff;color:#16231d;border-color:#fff;box-shadow:0 8px 28px rgba(0,0,0,.12)}
.hero .guide-bubble::after,.apply .guide-bubble::after{background:#fff;border-color:#fff}
.hero .section-guide img{width:132px;height:156px}
.next-top .section-guide{margin-left:auto;max-width:285px}
.next-top .section-guide img{width:64px;height:74px}
.next-top .guide-bubble{padding:8px 12px;font-size:13px}
.practice-scene{display:grid;grid-template-columns:1.25fr 1fr;gap:0;align-items:stretch;margin-top:42px;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:var(--surface)}
.practice-photo{position:relative;margin:0;min-height:300px}
.practice-photo img{display:block;width:100%;height:100%;aspect-ratio:4/3;object-fit:cover}
.practice-copy{padding:36px;display:flex;flex-direction:column;justify-content:center;gap:18px}
.practice-copy h3{font-family:var(--font-display);font-weight:400;font-size:clamp(26px,3.2vw,36px);line-height:1.5}
.practice-copy p{font-size:15px;color:var(--muted)}
.practice-link{align-self:flex-start;color:var(--ink);font-size:14px;font-weight:700;text-decoration:none;border-bottom:2px solid var(--ball);padding-bottom:3px}
.practice-link span{margin-left:18px;color:var(--ball-ink)}
.apply .section-guide{max-width:310px;margin-top:4px}
.game-copy{flex:1;min-width:230px}
.game>.section-guide{width:245px}
.game>.section-guide img{width:85px;height:100px}
@media (max-width:1000px) and (min-width:761px){
  .head.has-guide{grid-template-columns:minmax(0,1fr) 260px;column-gap:20px}
  .head.has-guide .section-guide img{width:96px;height:112px}
  .hero .section-guide{width:260px;bottom:30px}
  .hero .section-guide img{width:110px;height:130px}
  .hero.has-photo .sub{max-width:26em}
}
@media (max-width:760px){
  .head.has-guide{grid-template-columns:minmax(0,1fr)}
  .head.has-guide>.section-guide{grid-column:1;grid-row:auto;justify-self:start;max-width:320px;margin-top:16px}
  .section-guide img{width:90px;height:106px}
  .guide-bubble{padding:10px 14px;font-size:13px}
  .hero .wrap{padding-block:48px 44px;gap:20px}
  .hero.has-photo .hero-art::after{background:linear-gradient(90deg,rgba(21,30,43,.90) 0%,rgba(21,30,43,.65) 100%)}
  .hero-photo{object-position:63% center}
  .hero .section-guide{position:static;max-width:310px;width:100%;margin-top:8px}
  .hero .section-guide img{width:96px;height:112px}
  .practice-scene{grid-template-columns:minmax(0,1fr);margin-top:30px;border-radius:18px}
  .practice-photo{min-height:0}
  .practice-photo img{aspect-ratio:16/10}
  .practice-copy{padding:26px;gap:14px}
  .next-top{align-items:flex-start}
  .next-top .section-guide{margin-left:0}
  .game>.section-guide{width:100%;max-width:300px}
}
.sns{display:flex;gap:10px;flex-wrap:wrap}
.sns a{display:inline-flex;align-items:center;gap:6px;text-decoration:none;border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:6px 14px;color:#fff;font-size:13.5px}
.sp img{max-width:100%;max-height:100%;object-fit:contain}
a.sp{text-decoration:none}

.circles.two{grid-template-columns:1.4fr 1fr}
@media (max-width:860px){.circles.two{grid-template-columns:1fr}}

/* ４色をページ全体と、並ぶカードに均等に配る */
#about,#family-path{--accent:var(--red);--accent-ink:var(--red-ink)}
#join,.stats-band{--accent:var(--yellow);--accent-ink:var(--yellow-ink)}
#records,#parents,#sponsors{--accent:var(--blue);--accent-ink:var(--blue-ink)}
#circles,#together{--accent:var(--green);--accent-ink:var(--green-ink)}
.head>.sec-title::after{content:"";display:block;width:88px;height:5px;margin-top:14px;border-radius:999px;background:var(--four-colors)}
nav.main a:not(.btn){border-bottom:2px solid transparent;border-radius:0}
/* 項目を追加しても、各リンクの色が変わらないよう行き先ごとに指定する。 */
nav.main a:is([href$="#about"],[href$="#together"]){border-bottom-color:var(--red)}
nav.main a[href$="#records"]{border-bottom-color:var(--yellow)}
nav.main a[href$="#join"]{border-bottom-color:var(--blue)}
nav.main a:is([href$="#parents"],[href$="#notices"]){border-bottom-color:var(--green)}
nav.main a[href$="#notices"]{color:var(--green-ink)}
nav.main a[href$="#notices"]:hover{background:color-mix(in srgb,var(--green) 12%,var(--surface))}
:is(.stat,.who>div,.step,.pcard,.hcard,.voice,.note-chip):nth-child(4n+1){--item-color:var(--red);--item-ink:var(--red-ink)}
:is(.stat,.who>div,.step,.pcard,.hcard,.voice,.note-chip):nth-child(4n+2){--item-color:var(--yellow);--item-ink:var(--yellow-ink)}
:is(.stat,.who>div,.step,.pcard,.hcard,.voice,.note-chip):nth-child(4n+3){--item-color:var(--blue);--item-ink:var(--blue-ink)}
:is(.stat,.who>div,.step,.pcard,.hcard,.voice,.note-chip):nth-child(4n+4){--item-color:var(--green);--item-ink:var(--green-ink)}
.stat{border-top-color:var(--item-color)}
.stat .n{color:var(--item-color)}
.who>div,.step,.pcard,.hcard{border-top:4px solid var(--item-color)}
.step::before{background:color-mix(in srgb,var(--item-color) 16%,var(--surface));color:var(--item-ink)}
.voice{border-left-color:var(--item-color)}
.note-chip{border-color:var(--item-color);background:color-mix(in srgb,var(--item-color) 10%,var(--surface))}
.note-chip.done{background:color-mix(in srgb,var(--item-color) 22%,var(--surface));color:var(--ink);border-color:var(--item-color)}
.guide-bubble,.guide-bubble::after{border-color:color-mix(in srgb,var(--accent) 45%,var(--line))}
.practice-link{border-bottom-color:var(--blue)}
.practice-link span{color:var(--blue-ink)}
.stage.oval p{color:#e3e9f1}
.hero .guide-bubble,.apply .guide-bubble{color:#202935}