:root{--blue:#269df1;--blue-d:#1677c9;--navy:#0a3a80;--sky:#e8f5ff;--ink:#1d2433;--sub:#5a6577;--line:#dbe6f2;--yellow:#ffe35a;--orange:#e8500f;--green:#06c755}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:70px}
body{margin:0;background:#fff;color:var(--ink);font-family:"BIZ UDPGothic","Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic",system-ui,sans-serif;font-size:16.5px;line-height:1.95;letter-spacing:.02em}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue-d)}
.rd{font-family:"M PLUS Rounded 1c","Hiragino Maru Gothic ProN",sans-serif;font-weight:800}
.wrap{max-width:760px;margin:0 auto;padding-inline:18px}
.top{position:sticky;top:0;z-index:20;background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.06)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:10px;height:58px;max-width:1040px}
.logo{display:inline-flex;align-items:center;gap:8px;color:var(--ink);text-decoration:none;min-width:0}
.logo img{flex:none;width:30px;height:30px;border-radius:8px}
.logo span{font-family:"M PLUS Rounded 1c",sans-serif;font-weight:800;font-size:17px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.logo b{color:var(--blue)}
.toplink{flex:none;background:var(--blue);color:#fff;text-decoration:none;border-radius:99px;padding:7px 14px;font-size:13px;font-weight:700}
.crumb{font-size:12.5px;color:var(--sub);margin:16px 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:4px;line-height:1.6}
.crumb li+li::before{content:"›";margin-right:4px}
.crumb a{color:var(--sub)}
article h1{font-family:"M PLUS Rounded 1c",sans-serif;font-weight:800;font-size:clamp(24px,5.6vw,33px);line-height:1.45;margin:12px 0 8px;word-break:auto-phrase}
.meta{font-size:13px;color:var(--sub)}
.eye{position:relative;overflow:hidden;display:flex;align-items:center;gap:16px;margin:18px 0 8px;padding:22px 20px;border-radius:16px;color:#fff;background:radial-gradient(420px 220px at 90% 0%,rgba(255,227,90,.38),transparent 60%),linear-gradient(135deg,#0b5fc4,#1a86e6 55%,#2fa8f5);box-shadow:0 8px 24px rgba(22,119,201,.25)}
.eye::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.2) 1px,transparent 1.6px);background-size:20px 20px}
.eye i{position:relative;flex:none;width:64px;height:64px;border-radius:50%;background:#fff;display:grid;place-items:center;font-style:normal;font-size:34px;box-shadow:0 4px 12px rgba(4,36,92,.3)}
.eye span{position:relative;display:block}
.eye small{display:inline-block;background:var(--yellow);color:var(--navy);border-radius:99px;padding:1px 12px;font-family:"M PLUS Rounded 1c",sans-serif;font-weight:800;font-size:12.5px}
.eye b{display:block;margin-top:4px;font-family:"M PLUS Rounded 1c",sans-serif;font-weight:800;font-size:clamp(19px,5vw,25px);line-height:1.35;text-shadow:0 2px 6px rgba(4,36,92,.35)}
.lead{font-size:17px}
.toc{background:var(--sky);border-radius:14px;padding:14px 18px;margin:22px 0}
.toc b{display:block;font-size:14px;color:var(--blue-d)}
.toc ol{margin:4px 0 0;padding-left:1.3em;font-size:15px;line-height:1.8}
.toc a{color:var(--ink)}
article h2{font-family:"M PLUS Rounded 1c",sans-serif;font-weight:800;font-size:clamp(20px,5vw,23px);line-height:1.5;margin:44px 0 12px;padding:8px 14px;border-left:6px solid var(--blue);background:linear-gradient(90deg,var(--sky),transparent)}
article h3{font-family:"M PLUS Rounded 1c",sans-serif;font-weight:800;font-size:18px;line-height:1.5;margin:28px 0 6px;color:var(--blue-d)}
article p{margin:0 0 14px}
article ul,article ol{margin:0 0 14px;padding-left:1.4em}
article li{margin-bottom:4px}
.mk{background:linear-gradient(transparent 62%,#fff1a8 62%);font-weight:700}
.point{background:#fffbe6;border:2px solid #f3d64a;border-radius:14px;padding:12px 16px;margin:18px 0}
.point b{color:#a36b00}
.note{font-size:13px;color:var(--sub)}
.tbl{overflow-x:auto;margin:8px 0 18px}
table{width:100%;border-collapse:collapse;font-size:15px;line-height:1.7}
th,td{border:1px solid var(--line);padding:9px 10px;text-align:left;vertical-align:top}
th{background:var(--sky);white-space:nowrap}
.cta{margin:46px 0 10px;padding:24px 20px;border-radius:18px;background:#fff8d6;text-align:center}
.cta h2{margin:0 0 6px;border:0;background:none;padding:0;font-size:clamp(19px,5vw,22px)}
.cta p{font-size:15px;font-weight:700;color:#4a4f5c}
.btns{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;font-weight:700;text-decoration:none;border-radius:99px;padding:13px 24px;font-size:15.5px}
.btn.line{background:var(--green);color:#fff;box-shadow:0 4px 0 #04933f}
.btn.blue{background:var(--blue);color:#fff;box-shadow:0 4px 0 var(--blue-d)}
.related{margin:44px 0 0}
.related h2{font-family:"M PLUS Rounded 1c",sans-serif;font-weight:800;font-size:19px;margin:0 0 12px}
.list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
.list a{display:flex;gap:12px;align-items:center;background:#fff;border:2px solid var(--line);border-radius:14px;padding:10px 12px;color:var(--ink);text-decoration:none}
.list a:hover{border-color:var(--blue)}
.list i{flex:none;width:46px;height:46px;border-radius:12px;background:var(--sky);display:grid;place-items:center;font-style:normal;font-size:24px}
.list b{display:block;font-size:15.5px;line-height:1.55}
.list small{display:block;color:var(--sub);font-size:13px;line-height:1.55;margin-top:2px}
.intro{margin:18px 0 22px}
footer{background:#1d2433;color:#cfd6e2;margin-top:56px;padding:26px 0 40px;font-size:13px}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px}
footer a{color:#cfe8ff}
.hero{display:block;width:100%;height:auto;aspect-ratio:16/9;border-radius:16px;margin:18px 0 10px;box-shadow:0 8px 24px rgba(22,119,201,.22)}
.list img{flex:none;width:128px;height:auto;aspect-ratio:16/9;border-radius:10px}
@media (max-width:520px){.list img{width:104px}}
.post{margin:14px 0 18px}
.post .cap{display:block;font-size:13px;color:var(--sub);margin-top:6px;line-height:1.6}
.post .cap a{color:var(--blue-d)}
.yt{position:relative;display:block;width:100%;aspect-ratio:16/9;border:0;padding:0;border-radius:14px;overflow:hidden;cursor:pointer;background:#000;box-shadow:0 6px 18px rgba(0,0,0,.18)}
.yt img{width:100%;height:100%;object-fit:cover}
.yt::after{content:"";position:absolute;left:50%;top:50%;width:68px;height:48px;margin:-24px 0 0 -34px;border-radius:14px;background:#ff0033 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M8 5v14l11-7z' fill='%23fff'/%3E%3C/svg%3E") center/30px no-repeat;box-shadow:0 4px 12px rgba(0,0,0,.35)}
.yt iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.yt.on::after{display:none}
.acct{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:14px;color:#fff;text-decoration:none;background:linear-gradient(135deg,#111 0%,#2b2b2b 60%,#3a0d1d 100%);box-shadow:0 6px 18px rgba(0,0,0,.18)}
.acct.ytc{background:linear-gradient(135deg,#b0001e,#ff3b3b)}
.acct i{flex:none;width:52px;height:52px;border-radius:50%;background:#fff;display:grid;place-items:center;font-style:normal;font-size:26px}
.acct b{display:block;font-size:16px;line-height:1.4}
.acct small{display:block;font-size:13px;opacity:.85;line-height:1.5}
.acct em{margin-left:auto;flex:none;font-style:normal;font-size:13px;font-weight:700;background:#fff;color:#111;border-radius:99px;padding:6px 12px}
.school{position:relative;overflow:hidden;margin:46px 0 10px;padding:20px 0 26px;border-radius:20px;color:#fff;text-align:center;background:radial-gradient(500px 300px at 88% 10%,rgba(120,210,255,.75),transparent 62%),radial-gradient(420px 260px at -5% 105%,rgba(118,96,255,.45),transparent 60%),linear-gradient(160deg,#0b5fc4 0%,#1a86e6 55%,#2fa8f5 100%);box-shadow:0 10px 28px rgba(22,119,201,.3)}
.school::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.2) 1px,transparent 1.6px);background-size:22px 22px;pointer-events:none}
.school>*{position:relative}
.school .on-b{display:inline-block;margin:0 14px 12px;padding:6px 16px;border-radius:99px;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.5);font-family:"M PLUS Rounded 1c",sans-serif;font-weight:800;font-size:clamp(14px,4vw,17px)}
.school .on-b em{font-style:normal;color:#ffe35a}
.school .faces{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:0 14px;padding:0;list-style:none}
.school .faces li{position:relative;aspect-ratio:3/4;border-radius:12px;overflow:hidden;background:#cfe6fb;border:2px solid rgba(255,255,255,.9);box-shadow:0 6px 14px rgba(4,36,92,.3);margin:0}
.school .faces img{width:100%;height:100%;object-fit:cover}
.school .faces span{position:absolute;left:0;right:0;bottom:0;padding:16px 6px 5px;background:linear-gradient(transparent,rgba(5,25,60,.85));text-align:left;line-height:1.2}
.school .faces b{display:block;font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.school .faces small{display:block;font-family:"M PLUS Rounded 1c",sans-serif;font-weight:800;font-size:14px;color:#ffe35a}
.school .catch{display:block;width:calc(100% - 28px);max-width:520px;height:auto;margin:14px auto 4px;overflow:visible}
.school .nw{display:inline-block;margin:6px 14px 0;background:#ffe35a;color:#0a3a80;border-radius:99px;padding:8px 20px;font-family:"M PLUS Rounded 1c",sans-serif;font-weight:800;font-size:clamp(16px,4.4vw,20px);line-height:1.35;box-shadow:0 5px 0 #d9a800}
.school .nw b{color:#e5484d}
.school p.tx{margin:16px 18px 0;font-size:14.5px;line-height:1.8;font-weight:700;text-shadow:0 1px 4px rgba(4,36,92,.35)}
.school .btns{margin-top:16px;padding:0 14px}
.school .btn.wh{background:#fff;color:var(--blue-d);box-shadow:0 4px 0 #b9d7f3}
.school a.vis{display:block;margin:0 14px;text-decoration:none;color:#fff}