/* =========================================================
   STUDY HACK — ノート×ステッカー×蛍光ペン
   ========================================================= */
:root{
  --paper:#FFF8EC; --paper2:#FFF1D6; --card:#FFFFFF; --ink:#1B1B2F; --ink2:#4A4A63; --mute:#7C7C92; --line:#1B1B2F;
  --grid:rgba(27,27,47,.06);
  --tomato:#FF5A36; --sun:#FFD23F; --mint:#2EC98A; --sky:#3D8BFD; --grape:#8B5CF6; --pink:#FF5FA8; --teal:#14B8C4;
  --tomato-s:#FFE3DB; --sun-s:#FFF4C2; --mint-s:#D6F7E8; --sky-s:#DCEAFF; --grape-s:#ECE3FF; --pink-s:#FFE0EF; --teal-s:#D5F5F7;
  --shadow:4px 4px 0 var(--line); --shadow-s:2px 2px 0 var(--line); --shadow-l:6px 6px 0 var(--line);
  --r:16px; --r-s:10px;
  --f-display:"Dela Gothic One","Zen Kaku Gothic New",sans-serif;
  --f-body:"Zen Kaku Gothic New","Hiragino Sans","Noto Sans JP",system-ui,sans-serif;
  --f-num:"Outfit","Zen Kaku Gothic New",sans-serif;
  --f-en:"Fraunces",Georgia,serif;
  color-scheme:light;
}
:root[data-theme="dark"]{
  --paper:#13132A; --paper2:#1B1B38; --card:#20203F; --ink:#F4F1E8; --ink2:#C9C6D9; --mute:#9A97B3; --line:#0A0A18;
  --grid:rgba(255,255,255,.04);
  --tomato-s:#4A2230; --sun-s:#433A1E; --mint-s:#163F36; --sky-s:#1C2E55; --grape-s:#2F2458; --pink-s:#4A2144; --teal-s:#123F48;
  --shadow:4px 4px 0 #000; --shadow-s:2px 2px 0 #000; --shadow-l:6px 6px 0 #000;
  color-scheme:dark;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#13132A; --paper2:#1B1B38; --card:#20203F; --ink:#F4F1E8; --ink2:#C9C6D9; --mute:#9A97B3; --line:#0A0A18;
    --grid:rgba(255,255,255,.04);
    --tomato-s:#4A2230; --sun-s:#433A1E; --mint-s:#163F36; --sky-s:#1C2E55; --grape-s:#2F2458; --pink-s:#4A2144; --teal-s:#123F48;
    --shadow:4px 4px 0 #000; --shadow-s:2px 2px 0 #000; --shadow-l:6px 6px 0 #000;
    color-scheme:dark;
  }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;overflow-x:clip}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.8;
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:28px 28px;overflow-x:hidden;overflow-x:clip;padding-bottom:84px}
@media(min-width:900px){body{padding-bottom:0}}
a{color:inherit}
img{max-width:100%;display:block}
button{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--sky);outline-offset:2px}
.wrap{max-width:1180px;margin:0 auto;padding:0 16px}
.narrow{max-width:780px;margin:0 auto;padding:0 16px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.num{font-family:var(--f-num);font-variant-numeric:tabular-nums}
.en{font-family:var(--f-en)}

/* ---------- header ---------- */
.hd{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(10px);border-bottom:2px solid var(--line)}
.hd .wrap{display:flex;align-items:center;gap:14px;height:64px}
.logo{display:flex;align-items:center;gap:8px;text-decoration:none;flex:none}
.logo b{font-family:var(--f-display);font-weight:400;font-size:19px;letter-spacing:.02em;background:var(--sun);color:#1B1B2F;border:2px solid var(--line);padding:2px 10px;border-radius:8px;box-shadow:var(--shadow-s);transform:rotate(-2deg)}
.logo small{font-size:11px;color:var(--mute);line-height:1.2}
.nav{display:none;gap:2px;margin-left:8px}
.nav a{text-decoration:none;font-weight:700;font-size:14px;padding:6px 10px;border-radius:999px;white-space:nowrap}
.nav a:hover,.nav a[aria-current]{background:var(--ink);color:var(--paper)}
@media(min-width:1360px){.nav{display:flex}}
.hd-r{margin-left:auto;display:flex;align-items:center;gap:8px}
.chip-streak,.chip-lv{display:flex;align-items:center;gap:4px;border:2px solid var(--line);border-radius:999px;padding:2px 10px;font-weight:800;font-size:14px;background:var(--card);box-shadow:var(--shadow-s);text-decoration:none}
.chip-streak .num{color:var(--tomato)}
.chip-lv{background:var(--grape);color:#fff}
.icon-btn{width:38px;height:38px;border-radius:50%;border:2px solid var(--line);background:var(--card);cursor:pointer;display:grid;place-items:center;box-shadow:var(--shadow-s);font-size:17px}
.icon-btn:active{transform:translate(2px,2px);box-shadow:none}

/* bottom tab (mobile) */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--card);border-top:2px solid var(--line);display:grid;grid-template-columns:repeat(5,1fr);padding:6px 4px calc(6px + env(safe-area-inset-bottom))}
.tabbar a{display:flex;flex-direction:column;align-items:center;text-decoration:none;font-size:11px;font-weight:700;gap:1px;padding:2px 0;border-radius:10px}
.tabbar a span{font-size:21px;line-height:1.2}
.tabbar a[aria-current]{background:var(--sun-s)}
@media(min-width:900px){.tabbar{display:none}}

/* ---------- buttons, chips ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:2px solid var(--line);border-radius:999px;padding:9px 18px;font-weight:800;background:var(--card);box-shadow:var(--shadow-s);cursor:pointer;text-decoration:none;transition:transform .08s,box-shadow .08s;font-size:15px;line-height:1.3;color:var(--ink)}
.btn:hover{transform:translate(-1px,-1px);box-shadow:3px 3px 0 var(--line)}
.btn:active{transform:translate(2px,2px);box-shadow:none}
.btn.pri{background:var(--tomato);color:#fff}
.btn.sun{background:var(--sun);color:#1B1B2F}
.btn.mint{background:var(--mint);color:#fff}
.btn.sky{background:var(--sky);color:#fff}
.btn.grape{background:var(--grape);color:#fff}
.btn.ink{background:var(--ink);color:var(--paper)}
.btn.sm{padding:5px 12px;font-size:13px}
.btn.lg{padding:14px 26px;font-size:17px}
.btn[disabled]{opacity:.5;pointer-events:none}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:2px solid var(--line);border-radius:999px;padding:4px 12px;font-weight:700;font-size:14px;background:var(--card);cursor:pointer;white-space:nowrap;text-decoration:none;line-height:1.5}
.chip[aria-pressed="true"],.chip.on{background:var(--ink);color:var(--paper)}
.tag{display:inline-block;font-size:12px;font-weight:700;border-radius:6px;padding:0 7px;background:var(--paper2);color:var(--ink2);line-height:1.7}
.tag.hot{background:var(--tomato);color:#fff}
.tag.nc{background:var(--sky-s);color:var(--ink)}
.lvl{font-size:12px;letter-spacing:1px;color:var(--tomato)}

/* ---------- sections ---------- */
.sec{padding:40px 0}
.sec-h{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.sec-h h2{font-family:var(--f-display);font-weight:400;font-size:clamp(22px,4vw,30px);line-height:1.3;margin:0}
.sec-h h2 .mk{background:linear-gradient(transparent 60%,var(--sun) 60%);padding:0 4px}
.sec-h p{margin:4px 0 0;color:var(--ink2);font-size:14px}
.eyebrow{font-family:var(--f-num);font-weight:800;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--tomato)}
.card{background:var(--card);border:2px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.pad{padding:20px}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(auto-fill,minmax(min(100%,420px),1fr))}
.g3{grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr))}
.g4{grid-template-columns:repeat(auto-fill,minmax(min(100%,230px),1fr))}
.more{font-weight:800;text-decoration:none;border-bottom:2px solid var(--tomato);font-size:14px;white-space:nowrap}

/* ---------- hero ---------- */
.hero{padding:34px 0 20px;position:relative}
.hero-grid{display:grid;gap:22px;grid-template-columns:1fr}
@media(min-width:960px){.hero-grid{grid-template-columns:1.25fr 1fr;align-items:start}}
.hello{font-weight:800;color:var(--ink2);font-size:14px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.hero h1{font-family:var(--f-display);font-weight:400;font-size:clamp(30px,6.2vw,58px);line-height:1.18;margin:10px 0 14px;letter-spacing:-.01em}
.hero h1 .hl{position:relative;white-space:nowrap}
.hero h1 .hl::after{content:"";position:absolute;left:-4px;right:-4px;bottom:.08em;height:.36em;background:var(--sun);z-index:-1;transform:skew(-8deg) rotate(-1deg);border-radius:4px}
.hero h1 .hl2::after{background:var(--pink);opacity:.55}
.hero .lead{font-size:16px;color:var(--ink2);max-width:36em}
.hero-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.sticker{position:absolute;font-family:var(--f-display);border:2px solid var(--line);border-radius:999px;padding:6px 14px;box-shadow:var(--shadow-s);font-size:13px;pointer-events:none}

/* my status card */
.me-card{padding:18px}
.me-top{display:flex;align-items:center;gap:14px}
.avatar{width:62px;height:62px;border-radius:18px;border:2px solid var(--line);background:var(--grape);display:grid;place-items:center;font-size:32px;flex:none;box-shadow:var(--shadow-s)}
.me-title{font-weight:800;font-size:13px;color:var(--mute)}
.me-name{font-family:var(--f-display);font-size:20px;line-height:1.3}
.xpbar{height:14px;border:2px solid var(--line);border-radius:999px;background:var(--paper2);overflow:hidden;margin:8px 0 2px}
.xpbar i{display:block;height:100%;background:repeating-linear-gradient(45deg,var(--mint),var(--mint) 8px,#4ADBA0 8px,#4ADBA0 16px);transition:width .6s cubic-bezier(.2,.9,.3,1.2)}
.me-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}
.me-stats div{background:var(--paper2);border-radius:12px;padding:8px;text-align:center}
.me-stats b{display:block;font-family:var(--f-num);font-size:24px;line-height:1.1}
.me-stats small{font-size:11px;color:var(--mute);font-weight:700}
.missions{margin-top:14px;display:grid;gap:8px}
.mission{display:flex;align-items:center;gap:10px;border:2px dashed color-mix(in srgb,var(--ink) 35%,transparent);border-radius:12px;padding:8px 12px;text-decoration:none;font-weight:700;font-size:14px}
.mission .ck{width:26px;height:26px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;flex:none;font-size:14px;background:var(--card)}
.mission.done{border-style:solid;background:var(--mint-s)}
.mission.done .ck{background:var(--mint);color:#fff}
.mission .xp{margin-left:auto;font-family:var(--f-num);font-size:12px;color:var(--grape)}
.heat{display:grid;grid-auto-flow:column;grid-template-rows:repeat(7,auto);grid-template-columns:repeat(16,1fr);gap:3px;margin-top:10px;max-width:420px}
.heat i{width:100%;aspect-ratio:1;border-radius:3px;background:var(--paper2);display:block}
.heat i[data-l="1"]{background:#B8F0D5}.heat i[data-l="2"]{background:#6FDDA9}.heat i[data-l="3"]{background:var(--mint)}.heat i[data-l="4"]{background:#16895C}

/* ---------- today ---------- */
.today{display:grid;gap:18px;grid-template-columns:1fr}
@media(min-width:960px){.today{grid-template-columns:1.6fr 1fr}}
.today-main{overflow:hidden}
.today-main .ribbon{display:flex;align-items:center;gap:10px;padding:12px 18px;background:var(--tomato);color:#fff;border-bottom:2px solid var(--line);font-weight:800}
.today-main .ribbon .num{font-size:20px}
.today-body{padding:18px}
.today-body h3{font-size:20px;line-height:1.45;margin:4px 0 8px}
.today-side{display:grid;gap:18px}
.phrase .en{font-size:24px;font-weight:600;line-height:1.3}
.phrase-ex{background:var(--paper2);border-radius:12px;padding:10px 12px;margin-top:10px;font-size:14px}

/* ---------- player ---------- */
.yt{position:relative;aspect-ratio:16/9;background:#000;overflow:hidden;cursor:pointer}
.yt img{width:100%;height:100%;object-fit:cover;opacity:.92;transition:opacity .2s,transform .4s}
.yt:hover img{opacity:1;transform:scale(1.03)}
.yt .play{position:absolute;inset:0;margin:auto;width:74px;height:52px;border-radius:14px;background:var(--tomato);border:2px solid var(--line);display:grid;place-items:center;box-shadow:var(--shadow-s)}
.yt .play::after{content:"";border-left:20px solid #fff;border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:4px}
.yt iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.yt.r{border-radius:var(--r);border:2px solid var(--line)}

/* ---------- video card ---------- */
.vcard{background:var(--card);border:2px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;transition:transform .12s,box-shadow .12s;position:relative}
.vcard:hover{transform:translate(-2px,-2px);box-shadow:var(--shadow-l)}
.vcard .th{position:relative;aspect-ratio:16/9;background:var(--paper2);border-bottom:2px solid var(--line);cursor:pointer;display:block;overflow:hidden}
.vcard .th img{width:100%;height:100%;object-fit:cover}
.vcard .th .rank{position:absolute;left:8px;top:8px;font-family:var(--f-display);background:var(--sun);color:#1B1B2F;border:2px solid var(--line);border-radius:10px;padding:0 9px;font-size:18px;box-shadow:var(--shadow-s)}
.vcard .th .views{position:absolute;right:8px;bottom:8px;background:rgba(0,0,0,.78);color:#fff;font-size:12px;font-weight:700;border-radius:6px;padding:1px 7px;font-family:var(--f-num)}
.vcard .th .seen{position:absolute;right:8px;top:8px;background:var(--mint);color:#fff;border:2px solid var(--line);border-radius:999px;font-size:11px;font-weight:800;padding:0 8px}
.vcard .bd{padding:12px 14px 14px;display:flex;flex-direction:column;gap:6px;flex:1}
.vcard .catch{font-weight:800;font-size:16px;line-height:1.45}
.vcard .catch a{text-decoration:none}
.vcard .catch a:hover{text-decoration:underline;text-decoration-color:var(--tomato);text-decoration-thickness:3px}
.vcard .ttl{font-size:12px;color:var(--mute);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.vcard .meta{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin-top:auto}
.vcard .fav{position:absolute;right:10px;top:calc(56.25% - 18px);width:34px;height:34px;border-radius:50%;border:2px solid var(--line);background:var(--card);cursor:pointer;display:grid;place-items:center;font-size:16px;box-shadow:var(--shadow-s);z-index:2}
.vcard .fav[aria-pressed="true"]{background:var(--pink)}
.hscroll{display:grid;grid-auto-flow:column;grid-auto-columns:min(82%,300px);gap:16px;overflow-x:auto;padding:4px 4px 14px;scroll-snap-type:x mandatory;margin:0 -4px}
.hscroll>*{scroll-snap-align:start}

/* ---------- tabs ---------- */
.tabs{display:flex;gap:8px;overflow-x:auto;padding:2px 2px 10px;margin-bottom:6px}
.tabs button{flex:none}

/* ---------- category tiles ---------- */
.tile{display:flex;flex-direction:column;gap:6px;padding:18px;text-decoration:none;border:2px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);transition:transform .12s,box-shadow .12s;min-height:150px;position:relative;overflow:hidden}
.tile:hover{transform:translate(-2px,-2px) rotate(-.5deg);box-shadow:var(--shadow-l)}
.tile .ic{font-size:34px;line-height:1}
.tile b{font-family:var(--f-display);font-weight:400;font-size:19px;line-height:1.35}
.tile small{font-size:13px;color:var(--ink2);line-height:1.6}
.tile .cnt{position:absolute;right:14px;top:12px;font-family:var(--f-num);font-weight:800;font-size:13px;opacity:.7}
.bg-tomato{background:var(--tomato-s)}.bg-sun{background:var(--sun-s)}.bg-mint{background:var(--mint-s)}.bg-sky{background:var(--sky-s)}.bg-grape{background:var(--grape-s)}.bg-pink{background:var(--pink-s)}.bg-teal{background:var(--teal-s)}.bg-card{background:var(--card)}

/* ---------- gacha ---------- */
.gacha{display:grid;gap:18px;grid-template-columns:1fr;align-items:center;padding:22px}
@media(min-width:860px){.gacha{grid-template-columns:320px 1fr}}
.machine{border:2px solid var(--line);border-radius:24px;background:var(--pink);padding:18px;box-shadow:var(--shadow);text-align:center;color:#1B1B2F}
.machine .globe{width:170px;height:170px;margin:0 auto 12px;border-radius:50%;border:3px solid var(--line);background:radial-gradient(circle at 35% 30%,#fff 0 12%,#ffffffcc 13% 100%);position:relative;overflow:hidden}
.machine .globe i{position:absolute;width:38px;height:38px;border-radius:50%;border:2px solid var(--line)}
.machine .globe.spin i{animation:bounce .5s infinite alternate}
@keyframes bounce{to{transform:translate(var(--dx),var(--dy)) rotate(180deg)}}
.machine .lever{font-family:var(--f-display)}
.gacha-out{min-height:200px}

/* ---------- column list ---------- */
.ccard{display:flex;flex-direction:column;text-decoration:none;padding:18px;gap:8px;height:100%}
.ccard .em{font-size:40px;line-height:1;width:64px;height:64px;border-radius:16px;border:2px solid var(--line);display:grid;place-items:center;background:var(--sun-s)}
.ccard h3{font-size:17px;line-height:1.5;margin:4px 0 0}
.ccard p{font-size:13px;color:var(--ink2);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.ccard .meta{margin-top:auto;display:flex;gap:6px;align-items:center;font-size:12px;color:var(--mute);font-weight:700}

/* ---------- article ---------- */
.crumb{font-size:13px;color:var(--mute);padding:18px 0 0;display:flex;flex-wrap:wrap;gap:6px}
.crumb a{text-decoration:none;font-weight:700}
.crumb a:hover{text-decoration:underline}
.art-hd{padding:18px 0 8px}
.art-hd h1{font-family:var(--f-display);font-weight:400;font-size:clamp(25px,4.6vw,38px);line-height:1.35;margin:10px 0}
.art-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--mute);font-weight:700}
.art-lead{font-size:17px;background:var(--card);border:2px solid var(--line);border-radius:var(--r);padding:18px 20px;box-shadow:var(--shadow);margin:18px 0}
.toc{background:var(--sun-s);border:2px solid var(--line);border-radius:var(--r);padding:14px 20px;margin:22px 0}
.toc b{font-family:var(--f-display);font-weight:400}
.toc ol{margin:6px 0 0;padding-left:1.4em}
.toc a{text-decoration:none;font-weight:700;font-size:15px}
.toc a:hover{text-decoration:underline}
.prose{font-size:17px;line-height:2}
.prose h2{font-family:var(--f-display);font-weight:400;font-size:clamp(21px,3.6vw,27px);line-height:1.45;margin:48px 0 16px;padding:10px 0 10px 16px;border-left:8px solid var(--tomato);scroll-margin-top:80px}
.prose h3{font-size:19px;margin:30px 0 10px;display:inline-block;background:linear-gradient(transparent 62%,var(--sun) 62%)}
.prose p{margin:0 0 1.2em}
.prose ul,.prose ol{padding-left:1.4em;margin:0 0 1.2em}
.prose li{margin:.3em 0}
.prose li::marker{color:var(--tomato);font-weight:800}
.prose strong{background:linear-gradient(transparent 60%,var(--sun-s) 60%);font-weight:800}
:root[data-theme="dark"] .prose strong{background:linear-gradient(transparent 60%,#6b5a1a 60%)}
.prose blockquote{margin:1.4em 0;padding:14px 18px 14px 52px;background:var(--mint-s);border:2px solid var(--line);border-radius:var(--r-s);position:relative;font-size:16px}
.prose blockquote::before{content:"💡";position:absolute;left:14px;top:12px;font-size:22px}
.prose blockquote p:last-child{margin:0}
.todo{background:var(--card);border:2px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:18px 22px;margin:36px 0}
.todo h2{margin:0 0 8px!important;border:0!important;padding:0!important;font-size:22px!important}
.todo label{display:flex;gap:10px;align-items:flex-start;padding:6px 0;cursor:pointer;font-weight:700}
.todo input{width:22px;height:22px;accent-color:var(--mint);flex:none;margin-top:4px}
.faq details{background:var(--card);border:2px solid var(--line);border-radius:var(--r-s);margin:10px 0;box-shadow:var(--shadow-s)}
.faq summary{padding:12px 16px;font-weight:800;cursor:pointer;list-style:none;display:flex;gap:10px}
.faq summary::before{content:"Q";font-family:var(--f-num);color:var(--tomato);font-weight:900}
.faq details[open] summary{border-bottom:2px dashed color-mix(in srgb,var(--ink) 25%,transparent)}
.faq .a{padding:12px 16px;font-size:15px}
.readbar{position:fixed;top:0;left:0;height:4px;background:var(--tomato);z-index:70;width:0}
.author{display:flex;gap:14px;align-items:center;padding:16px;margin:30px 0}
.author .avatar{width:54px;height:54px;font-size:26px;background:var(--sun)}
.share{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}

/* ---------- filters (video list) ---------- */
.filters{position:sticky;top:64px;z-index:20;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(8px);padding:10px 0;border-bottom:2px dashed color-mix(in srgb,var(--ink) 18%,transparent);margin-bottom:18px}
.filters .row{display:flex;gap:8px;overflow-x:auto;padding:2px}
.search{display:flex;align-items:center;gap:8px;border:2px solid var(--line);border-radius:999px;background:var(--card);padding:4px 6px 4px 14px;box-shadow:var(--shadow-s);margin-bottom:10px}
.search input{border:0;background:transparent;font:inherit;flex:1;min-width:0;color:var(--ink);outline:0;padding:4px 0}
select.sel{border:2px solid var(--line);border-radius:999px;background:var(--card);font:inherit;font-weight:700;font-size:14px;padding:4px 10px;color:var(--ink)}

/* ---------- modal ---------- */
.modal{position:fixed;inset:0;z-index:100;background:rgba(10,10,24,.72);display:none;align-items:flex-start;justify-content:center;padding:4vh 12px;overflow-y:auto}
.modal.open{display:flex}
.modal .box{width:min(920px,100%);background:var(--card);border:2px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-l);overflow:hidden;animation:pop .22s cubic-bezier(.2,.9,.3,1.3)}
@keyframes pop{from{transform:scale(.94) translateY(10px);opacity:0}}
.modal .mbd{padding:18px 20px 22px}
.modal .x{position:absolute;right:16px;top:14px;z-index:3}
.howto{list-style:none;padding:0;margin:10px 0;display:grid;gap:8px}
.howto li{display:flex;gap:10px;align-items:flex-start;background:var(--paper2);border-radius:12px;padding:8px 12px;font-size:14px;font-weight:700}
.howto li b{font-family:var(--f-num);background:var(--ink);color:var(--paper);border-radius:6px;padding:0 7px;font-size:12px;margin-top:3px}

/* ---------- toast / confetti ---------- */
.toast{position:fixed;left:50%;bottom:100px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:var(--paper);border-radius:999px;padding:10px 20px;font-weight:800;opacity:0;transition:.25s;z-index:200;pointer-events:none;white-space:nowrap;box-shadow:var(--shadow-s)}
.toast.on{opacity:1;transform:translateX(-50%) translateY(0)}
@media(min-width:900px){.toast{bottom:32px}}
.xpfly{position:fixed;z-index:210;font-family:var(--f-display);color:var(--grape);font-size:22px;pointer-events:none;animation:fly 1s ease-out forwards;text-shadow:2px 2px 0 var(--card)}
@keyframes fly{to{transform:translateY(-70px);opacity:0}}
.confetti{position:fixed;inset:0;pointer-events:none;z-index:220}

/* ---------- pomodoro ---------- */
.pomo{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:960px){.pomo{grid-template-columns:1.2fr 1fr}}
.timer-card{padding:24px;text-align:center;position:relative;overflow:hidden;transition:background .4s}
.timer-card.focus{background:var(--tomato-s)}.timer-card.brk{background:var(--mint-s)}
.mode-tabs{display:inline-flex;border:2px solid var(--line);border-radius:999px;overflow:hidden;background:var(--card)}
.mode-tabs button{border:0;background:none;padding:6px 16px;font-weight:800;cursor:pointer;font-size:14px}
.mode-tabs button[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
.ring{position:relative;width:min(320px,78vw);aspect-ratio:1;margin:22px auto}
.ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring .tt{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.ring .tt b{font-family:var(--f-num);font-size:clamp(56px,15vw,84px);font-weight:800;line-height:1;letter-spacing:-.02em}
.ring .tt small{font-weight:800;color:var(--ink2);margin-top:6px}
.tomatoes{display:flex;justify-content:center;gap:6px;flex-wrap:wrap;margin-top:6px;font-size:22px;min-height:30px}
.task-in{display:flex;gap:8px;margin:14px auto 0;max-width:420px}
.task-in input{flex:1;min-width:0;border:2px solid var(--line);border-radius:999px;padding:8px 14px;font:inherit;background:var(--card);color:var(--ink)}
.mixer{display:grid;gap:10px}
.mix{display:grid;grid-template-columns:40px 1fr 50px;align-items:center;gap:10px;background:var(--paper2);border-radius:12px;padding:8px 12px}
.mix .ic{font-size:24px;text-align:center}
.mix b{font-size:14px}
.mix input[type=range]{width:100%;accent-color:var(--tomato)}
.mix button{border:2px solid var(--line);border-radius:999px;background:var(--card);cursor:pointer;font-weight:800;font-size:12px;padding:2px 0}
.mix button[aria-pressed="true"]{background:var(--tomato);color:#fff}
.focus-full{position:fixed;inset:0;background:#0d0d1d;color:#fff;z-index:300;display:none;flex-direction:column;align-items:center;justify-content:center;gap:18px}
.focus-full.on{display:flex}
.focus-full b{font-family:var(--f-num);font-size:clamp(90px,24vw,220px);font-weight:800;line-height:1}

/* ---------- quiz ---------- */
.quiz-card{padding:24px;max-width:760px;margin:0 auto}
.qhead{display:flex;justify-content:space-between;align-items:center;gap:10px;font-weight:800;font-size:14px}
.qprog{height:10px;border:2px solid var(--line);border-radius:999px;overflow:hidden;background:var(--paper2);margin:10px 0 18px}
.qprog i{display:block;height:100%;background:var(--grape);transition:width .3s}
.qq{font-size:20px;font-weight:800;line-height:1.6;margin:8px 0 18px}
.qq .en{font-weight:600}
.opts{display:grid;gap:10px}
.opt{display:flex;gap:12px;align-items:center;text-align:left;border:2px solid var(--line);border-radius:14px;background:var(--card);padding:12px 16px;cursor:pointer;font-weight:700;font-size:16px;box-shadow:var(--shadow-s);transition:transform .08s}
.opt:hover{transform:translate(-1px,-1px)}
.opt kbd{font-family:var(--f-num);border:2px solid var(--line);border-radius:8px;width:28px;height:28px;display:grid;place-items:center;flex:none;font-size:13px;background:var(--paper2)}
.opt.ok{background:var(--mint);color:#fff}
.opt.ok kbd,.opt.ng kbd{color:#1B1B2F}
.opt.ng{background:var(--tomato);color:#fff;animation:shake .3s}
@keyframes shake{25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
.exp{margin-top:16px;padding:14px 16px;border-radius:14px;border:2px dashed var(--line);background:var(--paper2);font-size:15px}
.combo{font-family:var(--f-display);color:var(--tomato)}
.qmodes{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(min(100%,240px),1fr))}
.qmode{padding:18px;text-align:left;cursor:pointer;border:2px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);transition:transform .12s}
.qmode:hover{transform:translate(-2px,-2px)}
.qmode b{display:block;font-family:var(--f-display);font-weight:400;font-size:18px;margin:6px 0 2px}
.qmode small{color:var(--ink2);font-size:13px}
.result-big{font-family:var(--f-display);font-size:64px;line-height:1;text-align:center}

/* ---------- tadoku ---------- */
.road{position:relative;height:26px;border:2px solid var(--line);border-radius:999px;background:var(--paper2);overflow:hidden}
.road i{display:block;height:100%;background:linear-gradient(90deg,var(--sky),var(--grape));transition:width .8s}
.big-num{font-family:var(--f-num);font-weight:800;font-size:clamp(40px,9vw,64px);line-height:1}
.form-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.inp{border:2px solid var(--line);border-radius:12px;padding:8px 12px;font:inherit;background:var(--card);color:var(--ink);min-width:0}
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{border-bottom:2px dashed color-mix(in srgb,var(--ink) 15%,transparent);padding:8px 6px;text-align:left;vertical-align:top}
.tbl th{font-size:12px;color:var(--mute)}
.wpm-text{font-family:var(--f-en);font-size:19px;line-height:1.9;background:var(--card);border:2px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--shadow)}
.tbl-wrap{overflow-x:auto}

/* ---------- exam ---------- */
.exam-hero{padding:26px;display:grid;gap:14px}
.fmt{display:grid;gap:10px}
.fmt div{display:grid;grid-template-columns:minmax(90px,160px) 1fr;gap:12px;background:var(--paper2);border-radius:12px;padding:10px 14px;font-size:15px}
.fmt b{font-weight:800}
.plan{list-style:none;padding:0;margin:0;position:relative}
.plan li{position:relative;padding:0 0 18px 34px}
.plan li::before{content:"";position:absolute;left:8px;top:8px;width:14px;height:14px;border-radius:50%;background:var(--tomato);border:2px solid var(--line)}
.plan li::after{content:"";position:absolute;left:15px;top:24px;bottom:0;border-left:2px dashed var(--ink)}
.plan li:last-child::after{display:none}
.plan b{display:block;font-family:var(--f-display);font-weight:400}
.strat{counter-reset:s;list-style:none;padding:0;display:grid;gap:10px}
.strat li{counter-increment:s;display:flex;gap:12px;background:var(--card);border:2px solid var(--line);border-radius:14px;padding:12px 14px;box-shadow:var(--shadow-s)}
.strat li::before{content:counter(s,decimal-leading-zero);font-family:var(--f-num);font-weight:900;color:var(--tomato);font-size:20px;line-height:1.4}

/* ---------- misc ---------- */
.ft{border-top:2px solid var(--line);margin-top:50px;padding:34px 0 40px;background:var(--card)}
.ft .cols{display:grid;gap:24px;grid-template-columns:repeat(auto-fill,minmax(min(100%,200px),1fr))}
.ft h4{margin:0 0 8px;font-size:14px}
.ft ul{list-style:none;margin:0;padding:0;font-size:14px;line-height:2}
.ft a{text-decoration:none}
.ft a:hover{text-decoration:underline}
.ft .note{font-size:12px;color:var(--mute);margin-top:24px;line-height:1.8}
.notice{font-size:13px;color:var(--ink2);background:var(--sky-s);border:2px solid var(--line);border-radius:var(--r-s);padding:10px 14px}
.empty{padding:40px;text-align:center;color:var(--mute);font-weight:700}
.skel{background:linear-gradient(90deg,var(--paper2),var(--card),var(--paper2));background-size:200% 100%;animation:sk 1.2s infinite;border-radius:var(--r);min-height:220px;border:2px solid var(--line)}
@keyframes sk{to{background-position:-200% 0}}
.marquee{overflow:hidden;border-block:2px solid var(--line);background:var(--ink);color:var(--paper);white-space:nowrap;font-weight:800;font-size:14px}
.marquee div{display:inline-block;padding:8px 0;animation:mq 60s linear infinite}
.marquee span,.marquee a{margin:0 22px;color:inherit;text-decoration:none}
.marquee span b,.marquee a b{color:var(--sun)}
.marquee a:hover{text-decoration:underline}
.marquee:hover div{animation-play-state:paused}
@keyframes mq{to{transform:translateX(-50%)}}
.pill-row{display:flex;gap:8px;flex-wrap:wrap}
.kv{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;font-size:14px}
.badge-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:12px}
.bdg{text-align:center;padding:14px 8px;border:2px solid var(--line);border-radius:16px;background:var(--card);font-size:12px;font-weight:800;line-height:1.4}
.bdg span{display:block;font-size:34px;filter:grayscale(1);opacity:.35}
.bdg.got{background:var(--sun-s);box-shadow:var(--shadow-s)}
.bdg.got span{filter:none;opacity:1}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
@media(max-width:600px){.logo small{display:none}.hd .wrap{gap:8px}.chip-streak,.chip-lv{padding:2px 8px}.hero{padding-top:22px}.sec{padding:30px 0}}
@media(max-width:600px){#feedList.swipe{grid-auto-flow:column;grid-auto-columns:80%;grid-template-columns:none;overflow-x:auto;scroll-snap-type:x proximity;padding:4px 4px 14px;margin:0 -4px}}

/* ---------- drawer / search / to-top (v2) ---------- */
.drawer{position:fixed;inset:0;z-index:150;background:rgba(10,10,24,.55);opacity:0;pointer-events:none;transition:opacity .2s}
.drawer.open{opacity:1;pointer-events:auto}
.drawer .panel{position:absolute;top:0;right:0;bottom:0;width:min(420px,92vw);background:var(--paper);border-left:2px solid var(--line);box-shadow:-6px 0 0 var(--line);transform:translateX(105%);transition:transform .25s cubic-bezier(.2,.9,.3,1);display:flex;flex-direction:column;overflow:hidden}
.drawer.open .panel{transform:none}
.dr-top{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:2px solid var(--line);background:var(--sun)}
.dr-top .search{flex:1;margin:0;box-shadow:none}
.dr-body{overflow-y:auto;padding:14px 16px 40px;flex:1;-webkit-overflow-scrolling:touch}
.dr-sec{margin:16px 0 6px;font-family:var(--f-num);font-weight:900;font-size:11px;letter-spacing:.18em;color:var(--tomato)}
.dr-links{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.dr-links a{display:flex;align-items:center;gap:8px;padding:10px 12px;border:2px solid var(--line);border-radius:12px;background:var(--card);text-decoration:none;font-weight:800;font-size:14px;box-shadow:var(--shadow-s);min-height:48px;line-height:1.3}
.dr-links a span{font-size:20px}
.dr-links a.wide{grid-column:1/-1}
.sr-h{font-weight:800;font-size:13px;margin:14px 0 6px;color:var(--ink2)}
.sr-item{display:flex;gap:10px;align-items:center;padding:8px;border-radius:12px;text-decoration:none;border:2px solid transparent}
.sr-item:hover,.sr-item:focus{background:var(--card);border-color:var(--line)}
.sr-item img{width:72px;height:54px;object-fit:cover;border-radius:8px;border:2px solid var(--line);flex:none}
.sr-item .sr-ic{width:44px;height:44px;border-radius:10px;border:2px solid var(--line);display:grid;place-items:center;font-size:20px;flex:none;background:var(--sun-s)}
.sr-item b{display:block;font-size:14px;line-height:1.45}
.sr-item small{display:block;font-size:12px;color:var(--mute);line-height:1.4;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.sr-hint{padding:4px 0}
.menu-btn{width:42px;height:42px;border-radius:12px;border:2px solid var(--line);background:var(--ink);color:var(--paper);cursor:pointer;display:grid;place-items:center;box-shadow:var(--shadow-s);padding:0}
.menu-btn i{display:block;width:18px;height:2.5px;background:currentColor;border-radius:2px;position:relative}
.menu-btn i::before,.menu-btn i::after{content:"";position:absolute;left:0;width:18px;height:2.5px;background:currentColor;border-radius:2px}
.menu-btn i::before{top:-6px}.menu-btn i::after{top:6px}
.to-top{position:fixed;right:16px;bottom:96px;z-index:65;width:52px;height:52px;border-radius:50%;border:2px solid var(--line);background:var(--sun);color:#1B1B2F;font-size:22px;font-weight:900;box-shadow:var(--shadow-s);cursor:pointer;opacity:0;transform:translateY(20px) scale(.8);pointer-events:none;transition:.25s cubic-bezier(.2,.9,.3,1.3);display:grid;place-items:center}
.to-top.on{opacity:1;transform:none;pointer-events:auto}
.to-top:active{transform:scale(.9)}
@media(min-width:900px){.to-top{bottom:28px;right:28px}}
.search-page .search{font-size:18px;padding:8px 10px 8px 18px}
@media(max-width:600px){
  .hd .wrap{height:58px}
  .filters{top:58px}
  .chip-lv{display:none}
  .btn.lg{padding:12px 20px;font-size:16px}
  .hero-cta .btn{flex:1 1 auto}
  .sec-h h2{font-size:22px}
  .vcard .catch{font-size:15px}
  .prose{font-size:16px;line-height:1.95}
  .art-lead{font-size:15px;padding:14px 16px}
  .modal{padding:0;align-items:flex-end}
  .modal .box{border-radius:18px 18px 0 0;max-height:94vh;overflow-y:auto}
  .icon-btn#themeBtn{display:none}
  .ring{width:min(280px,76vw)}
  .gacha{padding:16px}
  .machine .globe{width:140px;height:140px}
}
/* yogaku */
.song-rank{display:grid;gap:12px}
.song{display:grid;grid-template-columns:auto 120px 1fr;gap:12px;align-items:center;background:var(--card);border:2px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-s);padding:10px 14px 10px 10px;cursor:pointer;text-decoration:none}
.song:hover{transform:translate(-1px,-1px)}
.song .no{font-family:var(--f-display);font-size:26px;width:44px;text-align:center}
.song:nth-child(1) .no{color:#E6A700}.song:nth-child(2) .no{color:#8A8FA3}.song:nth-child(3) .no{color:#C06A2B}
.song img{width:120px;aspect-ratio:16/9;object-fit:cover;border-radius:10px;border:2px solid var(--line)}
.song b{display:block;line-height:1.4}
.song small{color:var(--mute);font-size:12px}
.song .bar{height:8px;border-radius:99px;background:var(--paper2);overflow:hidden;margin-top:6px;max-width:220px}
.song .bar i{display:block;height:100%;background:linear-gradient(90deg,var(--pink),var(--grape))}
@media(max-width:600px){.song{grid-template-columns:auto 92px 1fr;gap:8px;padding:8px}.song img{width:92px}.song .no{font-size:20px;width:30px}.song b{font-size:14px}}
.vinyl{width:120px;height:120px;border-radius:50%;background:repeating-radial-gradient(circle,#1B1B2F 0 2px,#2c2c48 2px 4px);border:3px solid var(--line);position:relative;flex:none;animation:spin 6s linear infinite}
.vinyl::after{content:"";position:absolute;inset:38%;border-radius:50%;background:var(--pink);border:2px solid var(--line)}
@keyframes spin{to{transform:rotate(360deg)}}
/* teacher */
.act-list{display:grid;gap:12px}
details.act{padding:0;overflow:hidden}
details.act summary{list-style:none;display:flex;gap:12px;align-items:flex-start;padding:14px 16px;cursor:pointer}
details.act summary::-webkit-details-marker{display:none}
details.act[open] summary{border-bottom:2px dashed color-mix(in srgb,var(--ink) 20%,transparent);background:var(--teal-s)}
.act-em{font-size:30px;line-height:1;width:52px;height:52px;border:2px solid var(--line);border-radius:14px;display:grid;place-items:center;background:var(--card);flex:none}
.act-t b{font-size:17px;display:block}
.act-t small{color:var(--mute);font-size:14px}
.act-bd{padding:14px 18px 18px;font-size:15px}
.act-bd ol,.act-bd ul{padding-left:1.3em;margin:6px 0 12px}
.act-say{display:grid;gap:6px;margin:10px 0}
.say-btn{text-align:left;border:2px solid var(--line);border-radius:10px;background:var(--paper2);padding:6px 10px;cursor:pointer;font-size:15px;color:var(--ink)}
.ce-grid{display:grid;gap:8px;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr))}
.ce-item{display:flex;flex-direction:column;gap:2px;text-align:left;border:2px solid var(--line);border-radius:12px;background:var(--card);padding:10px 12px;cursor:pointer;box-shadow:var(--shadow-s);color:var(--ink)}
.ce-item .en{font-size:17px;font-weight:600}
.ce-item small{color:var(--ink2);font-size:13px}
/* study timer */
.tm-big{font-family:var(--f-num);font-weight:800;font-size:clamp(64px,18vw,140px);line-height:1;margin:22px 0 16px;letter-spacing:-.02em}
.tm-laps{list-style:none;padding:0;margin:14px auto 0;max-width:420px;display:grid;gap:4px}
.tm-laps li{display:flex;justify-content:space-between;gap:10px;background:var(--card);border-radius:10px;padding:6px 12px;font-size:14px}
.logo small{font-weight:800;letter-spacing:.06em}
@media(max-width:600px){.logo b{font-size:15px;padding:2px 8px}}
@media(max-width:380px){.logo b{font-size:13px}}
/* ---------- home v3 ---------- */
.hero h1{font-size:clamp(30px,5.6vw,54px)}
.hero-search{display:flex;align-items:center;gap:8px;border:3px solid var(--line);border-radius:999px;background:var(--card);padding:6px 6px 6px 18px;box-shadow:var(--shadow);margin:18px 0 10px;max-width:620px}
.hero-search input{flex:1;min-width:0;border:0;background:transparent;font:inherit;font-size:17px;color:var(--ink);outline:0;padding:6px 0}
.hot-kw{max-width:620px}.hot-kw .chip{font-size:13px;padding:2px 10px}
.quick{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:18px;max-width:620px}
.q-btn{display:flex;flex-direction:column;align-items:center;gap:2px;border:2px solid var(--line);border-radius:16px;padding:12px 4px;text-decoration:none;box-shadow:var(--shadow-s);transition:transform .1s;text-align:center}
.q-btn:hover{transform:translate(-1px,-2px)}
.q-btn span{font-size:28px;line-height:1.1}.q-btn b{font-size:13px;line-height:1.3}
.jump{position:sticky;top:64px;z-index:30;background:color-mix(in srgb,var(--paper) 94%,transparent);backdrop-filter:blur(8px);border-bottom:2px solid var(--line)}
.jump .wrap{display:flex;gap:6px;overflow-x:auto;padding-top:8px;padding-bottom:8px;scrollbar-width:none}
.jump a{flex:none;text-decoration:none;font-weight:800;font-size:13px;padding:5px 12px;border-radius:999px;border:2px solid var(--line);background:var(--card)}
.jump a:hover{background:var(--ink);color:var(--paper)}
section[id]{scroll-margin-top:120px}
.phrase-bar{display:grid;gap:4px 18px;grid-template-columns:1fr}
@media(min-width:860px){.phrase-bar{grid-template-columns:auto 1fr}.phrase-bar .phrase-ex{margin:0}}
.play-grid{display:grid;gap:18px;grid-template-columns:1fr}
@media(min-width:960px){.play-grid{grid-template-columns:1fr 1.4fr}}
.shindan-cta{display:flex;gap:16px;align-items:center;padding:22px;text-decoration:none;color:#fff;background:linear-gradient(135deg,#8B5CF6,#FF5FA8);overflow:hidden;position:relative}
.shindan-cta b{display:block;font-family:var(--f-display);font-weight:400;font-size:clamp(24px,4vw,32px);line-height:1.25;margin:4px 0}
.shindan-cta p{margin:0 0 12px;font-size:14px;opacity:.95}
.sd-em{font-size:64px;line-height:1;animation:bob 2.4s ease-in-out infinite}
@keyframes bob{50%{transform:translateY(-8px) rotate(-6deg)}}
.mini-tiles{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(min(46%,150px),1fr))}
.mini-tile{display:flex;flex-direction:column;align-items:flex-start;gap:2px;border:2px solid var(--line);border-radius:14px;padding:12px 14px;text-decoration:none;box-shadow:var(--shadow-s);transition:transform .1s;min-height:0}
.mini-tile:hover{transform:translate(-1px,-2px)}
.mini-tile span{font-size:26px;line-height:1.2}.mini-tile b{font-size:15px;line-height:1.3}.mini-tile small{font-size:12px;color:var(--ink2);font-weight:700}
.gacha{padding:16px}.gacha .machine{padding:14px}.gacha .machine .globe{width:120px;height:120px}
@media(max-width:600px){.quick{gap:6px}.q-btn span{font-size:24px}.q-btn b{font-size:12px}.hero-search input{font-size:15px}.jump{top:58px}.sd-em{font-size:44px}.shindan-cta{padding:16px}}
/* shindan */
.sd-hero{text-align:center;padding:30px 22px;color:#fff;background:linear-gradient(135deg,#8B5CF6,#FF5FA8);margin-top:18px}
.sd-hero h1{font-family:var(--f-display);font-weight:400;font-size:clamp(28px,6vw,44px);margin:6px 0}
.sd-hero p{margin:0 0 16px}
.sd-spin{font-size:64px;animation:bob 2s ease-in-out infinite}
.sd-card{padding:24px}
.sd-q{font-size:clamp(19px,3.4vw,24px);font-weight:900;line-height:1.55;margin:10px 0 18px;text-align:center}
.sd-opts{display:grid;gap:12px}
@media(min-width:700px){.sd-opts{grid-template-columns:1fr 1fr}}
.sd-opt{border:3px solid var(--line);border-radius:18px;padding:18px 16px;font:inherit;font-weight:800;font-size:16px;cursor:pointer;box-shadow:var(--shadow-s);transition:transform .1s;line-height:1.6;color:var(--ink)}
.sd-opt.l{background:var(--sky-s)}.sd-opt.r{background:var(--pink-s)}
.sd-opt:hover{transform:translate(-1px,-2px)}.sd-opt.on{background:var(--ink);color:var(--paper)}
.sd-axes{display:grid;gap:10px}
.sd-axis{display:grid;grid-template-columns:120px 1fr 1fr;gap:10px;background:var(--card);border:2px solid var(--line);border-radius:12px;padding:10px 14px;font-size:14px}
@media(max-width:600px){.sd-axis{grid-template-columns:1fr}}
.sd-types{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(min(46%,170px),1fr))}
.sd-type{display:flex;flex-direction:column;align-items:center;text-align:center;padding:14px 8px;text-decoration:none;gap:2px}
.sd-temoji{font-size:36px}.sd-type small{font-weight:800;letter-spacing:.15em;color:var(--ink2)}.sd-type b{font-size:14px;line-height:1.35}
.sd-res{text-align:center;padding:30px 20px;margin-top:18px}
.sd-big{font-size:96px;line-height:1.1;animation:bob 2.4s ease-in-out infinite}
.code-pill{display:inline-block;background:var(--ink);color:var(--paper);border-radius:10px;padding:2px 14px;font-weight:900;letter-spacing:.25em;margin:6px 0}
.sd-res h1{font-family:var(--f-display);font-weight:400;font-size:clamp(28px,6vw,44px);line-height:1.25;margin:6px 0}
.sd-catch{font-weight:900;font-size:18px;margin:0 0 14px}
.sd-letters{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.sd-letter{display:flex;align-items:center;gap:6px;background:var(--card);border:2px solid var(--line);border-radius:999px;padding:3px 12px 3px 4px;font-weight:800;font-size:13px}
.sd-letter b{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:var(--paper)}
/* 時事英語ナビ promo */
.jiji{display:grid;grid-template-columns:auto 1fr;gap:6px 18px;align-items:center;text-decoration:none;color:#fff;background:linear-gradient(120deg,#0F2A4A,#1E4E8C 55%,#3D8BFD);border:2px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:20px 22px;position:relative;overflow:hidden}
.jiji::after{content:"NEWS";position:absolute;right:-10px;bottom:-26px;font-family:var(--f-display);font-size:110px;color:rgba(255,255,255,.07);pointer-events:none}
.jiji-badge{position:absolute;top:12px;right:14px;background:var(--tomato);color:#fff;border:2px solid var(--line);border-radius:999px;font-weight:900;font-size:12px;padding:1px 10px;animation:bob 2.6s ease-in-out infinite}
.jiji-em{font-size:56px;line-height:1;grid-row:span 2}
.jiji-t small{display:block;font-weight:800;font-size:12px;opacity:.8}
.jiji-t b{display:block;font-family:var(--f-display);font-weight:400;font-size:clamp(22px,4vw,30px);line-height:1.2;margin:2px 0 4px}
.jiji-t span{font-size:14px;line-height:1.7;display:block}
.jiji-t strong{background:none;color:var(--sun)}
.jiji .btn{grid-column:2;justify-self:start;margin-top:6px}
.jiji:hover{transform:translate(-1px,-2px)}
.jiji.mini{padding:12px 14px;box-shadow:var(--shadow-s)}
.jiji.mini .jiji-em{font-size:32px}.jiji.mini .jiji-t b{font-size:17px;font-family:var(--f-body);font-weight:900}.jiji.mini::after,.jiji.mini .jiji-badge{display:none}
@media(max-width:600px){.jiji{grid-template-columns:1fr;text-align:left;padding:18px}.jiji-em{grid-row:auto;font-size:40px}.jiji .btn{grid-column:1}}
.jiji.bunka{background:linear-gradient(120deg,#7A1F2B,#C0392B 60%,#E86A4E)}
.jiji.slangp{background:linear-gradient(120deg,#5B2A86,#B8336A 55%,#F28C28)}
/* channel guide */
.subtip{background:var(--sky-s);border:2px solid var(--line);border-radius:12px;padding:8px 14px;margin:12px 0;font-size:14px}
.subtip summary{font-weight:800;cursor:pointer}
.subtip ol{margin:8px 0;padding-left:1.4em}.subtip p{margin:0;color:var(--ink2)}
.ch-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(min(100%,240px),1fr))}
.ch-card{display:flex;flex-direction:column;gap:4px;padding:16px;text-decoration:none}
.ch-card b{font-size:17px;line-height:1.3}.ch-card small{color:var(--ink2);font-weight:700}
.ch-em{font-size:34px}.ch-catch{font-size:13px;margin-bottom:6px}
.ch-card .tag{align-self:flex-start}
.ch-hero{display:flex;gap:18px;align-items:center;padding:22px;margin-top:18px}
.ch-big{font-size:72px;line-height:1}
.ch-hero h1{font-family:var(--f-display);font-weight:400;font-size:clamp(26px,5vw,40px);margin:2px 0}
@media(max-width:600px){.ch-hero{flex-direction:column;text-align:center}}
.buzz-hero{color:#fff;background:linear-gradient(120deg,#FF5A36,#FF5FA8 60%,#8B5CF6);margin-top:18px;padding:26px}
.buzz-hero h1{font-family:var(--f-display);font-weight:400;font-size:clamp(26px,5vw,42px);line-height:1.3;margin:6px 0}
.buzz-list{display:grid;gap:14px}
.buzz-item{display:grid;grid-template-columns:220px 1fr;gap:16px;padding:12px;align-items:start}
.buzz-item .th{position:relative;display:block;border-radius:12px;overflow:hidden;border:2px solid var(--line);aspect-ratio:16/9}
.buzz-item .th img{width:100%;height:100%;object-fit:cover}
.buzz-item .rank{position:absolute;left:6px;top:6px;font-family:var(--f-display);background:var(--sun);border:2px solid var(--line);border-radius:8px;padding:0 8px;color:#1B1B2F}
.buzz-t{font-size:17px;line-height:1.45}.buzz-t a{text-decoration:none}
.buzz-item p{margin:6px 0;font-size:14px}
@media(max-width:600px){.buzz-item{grid-template-columns:1fr}}
.pager{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}.pager .chip{font-size:15px;padding:6px 16px}
.buzz-grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr))}
.buzz-card{overflow:hidden;display:flex;flex-direction:column}
.buzz-card .th{position:relative;display:block;aspect-ratio:16/9;border-bottom:2px solid var(--line)}
.buzz-card .th img{width:100%;height:100%;object-fit:cover}
.bz-plat{position:absolute;left:8px;top:8px;background:var(--ink);color:var(--paper);border-radius:6px;font-size:11px;font-weight:800;padding:1px 8px}
.buzz-card .bd{padding:10px 12px 12px;display:flex;flex-direction:column;gap:6px}
.bz-why summary{list-style:none;cursor:pointer;font-size:13px;color:var(--ink2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.bz-why[open] summary{-webkit-line-clamp:unset;display:block}
.bz-why summary::-webkit-details-marker{display:none}
.buzz-card .pill-row .tag{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.carp-cta{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;padding:18px 22px;text-decoration:none;background:linear-gradient(120deg,#FFE6C7,#FFD1DC 60%,#E6D9FF)}
.carp-cta small{font-weight:900;color:var(--tomato)}.carp-cta b{display:block;font-family:var(--f-display);font-weight:400;font-size:clamp(20px,3.6vw,28px);line-height:1.3}.carp-cta span span{font-size:14px}
.carp-em{font-size:52px}
@media(max-width:700px){.carp-cta{grid-template-columns:1fr}}
.carp-hero{padding:26px;margin-top:18px;background:linear-gradient(120deg,#FFE6C7,#FFD1DC 60%,#E6D9FF);color:#1B1B2F}
.carp-hero h1{font-family:var(--f-display);font-weight:400;font-size:clamp(26px,5vw,40px);line-height:1.3;margin:6px 0 10px}
.carp-lead{margin:0;font-size:16px;line-height:1.9}
.carp-list{list-style:none;padding:0;display:grid;gap:18px}
.carp-item{display:grid;grid-template-columns:64px 1fr;gap:14px;padding:16px}
.carp-no{font-family:var(--f-display);font-size:34px;text-align:center;color:var(--tomato)}
.carp-item:nth-child(-n+3) .carp-no{color:#E6A700}
.carp-body h3{margin:0 0 10px;font-size:20px}.carp-body h3 small{color:var(--mute);font-size:14px}
.carp-body p{margin:10px 0}
@media(max-width:600px){.carp-item{grid-template-columns:1fr}.carp-no{text-align:left;font-size:26px}}
/* long lists */
.clamp-bar{text-align:center;margin:18px 0 6px;display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
[data-clamp]>[hidden]{display:none!important}
.act-list{grid-template-columns:repeat(auto-fill,minmax(min(100%,330px),1fr));align-items:start}
.act-list details.act[open]{grid-column:1/-1}
details.act summary{padding:12px 14px}
.act-em{width:46px;height:46px;font-size:26px}
.act-t b{font-size:16px}
.univ-hero{background:linear-gradient(120deg,#1B2A4A,#34506F 60%,#5B7A9A);color:#fff}
.univ-hero .eyebrow{color:#FFD23F}
.act-vids{display:grid;gap:8px;grid-template-columns:repeat(auto-fill,minmax(min(100%,220px),1fr));margin:8px 0 12px}
.tag.g-小学生{background:var(--sun-s)}.tag.g-中学生{background:var(--mint-s)}.tag.g-高校生{background:var(--sky-s)}.tag.g-大学{background:var(--grape-s)}.tag.g-はじめて{background:var(--pink-s)}
.teen-hero{margin-top:18px;background:linear-gradient(120deg,#FFD1E8,#FFE9A8 55%,#C9F2E3);color:#1B1B2F}
.teen-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.teen-h{font-family:var(--f-display);font-weight:400;font-size:clamp(22px,4vw,30px);margin:26px 0 10px}
.teen-guide{margin:0 0 16px;font-size:15px}.teen-guide summary{cursor:pointer}.teen-guide p{margin:8px 0}.teen-guide ol{padding-left:1.4em}
.xgrid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(min(100%,340px),1fr));align-items:start}
.xpost .twitter-tweet{margin:10px 0 0!important}
/* planner */
.plan-hero{margin-top:18px;background:linear-gradient(120deg,#DCEAFF,#ECE3FF 60%,#FFE3DB)}
.plan-form .pf{display:grid;gap:6px;margin:12px 0}.plan-form .pf b{font-size:14px}
.plan-form select,.plan-form input{max-width:360px}
.plan-count{font-weight:900;font-size:20px;margin:10px 0}.plan-count b{font-size:44px;color:var(--tomato)}
.ph-bar{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:13px;font-weight:800}
.ph-bar .ph{border:2px solid var(--line);border-radius:999px;padding:3px 12px;background:var(--card);opacity:.55}
.ph-bar .ph.on{background:var(--tomato);color:#fff;opacity:1}.ph-bar i{font-style:normal;color:var(--mute)}
.pmenu{list-style:none;padding:0;margin:14px 0;display:grid;gap:10px}
.pmenu li{border:2px solid var(--line);border-radius:14px;padding:10px 12px;background:var(--card);display:flex;flex-wrap:wrap;gap:6px 12px;align-items:center}
.pmenu li.done{background:var(--mint-s)}
.pmenu label{display:flex;gap:10px;align-items:flex-start;flex:1;min-width:240px;cursor:pointer}
.pmenu input{width:22px;height:22px;accent-color:var(--mint);margin-top:3px;flex:none}
.pm-t b{display:block;font-size:15px}.pm-t small{color:var(--ink2);font-size:13px}
.pm-min{margin-left:auto;font-weight:900;white-space:nowrap}
.pmenu li.done .pm-t b{text-decoration:line-through;text-decoration-color:var(--mint)}
.daily-card{overflow:hidden}.daily-card .yt{border-bottom:2px solid var(--line)}
.daily-card .views{position:absolute;right:8px;bottom:8px;background:rgba(0,0,0,.78);color:#fff;font-size:12px;font-weight:700;border-radius:6px;padding:1px 7px}
.other-genres{margin-top:10px}.other-genres summary{cursor:pointer;font-weight:800;font-size:14px;color:var(--ink2)}
.hub-cta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;margin-top:14px;text-decoration:none;background:var(--sun-s)}

/* phrases */
.phrase-hero{margin-top:18px;text-align:center;background:linear-gradient(120deg,#FFF4C2,#FFE0EF)}
.phrase-hero h1{font-size:clamp(30px,6vw,48px);margin:8px 0 2px;line-height:1.2}.ph-ja{font-weight:900;font-size:20px;margin:0 0 10px}
.phrase-hero .pill-row{justify-content:center}
.ex-list{display:grid;gap:10px;margin:8px 0 16px}
.ex-item{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:12px 14px}
.ex-item .en{display:block;font-size:17px;font-weight:600}.ex-item small{color:var(--ink2)}
.ph-quiz{margin:18px 0}.ph-nav{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;margin:26px 0}
.ph-grid{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(min(100%,230px),1fr))}
.ph-card{display:flex;flex-direction:column;gap:2px;padding:12px 14px;text-decoration:none}
.ph-card b{font-size:17px;line-height:1.35}.ph-card span{font-size:13px;color:var(--ink2)}.ph-card small{color:var(--tomato);font-weight:800}
/* ---------- VOA 1分イディオム特集 ---------- */
.vi-hero{padding:26px;margin-top:18px;background:linear-gradient(120deg,var(--sky-s),var(--tomato-s) 60%,var(--sun-s))}
.vi-hero h1,.vi-dhero h1{font-family:var(--f-display);font-weight:400;font-size:clamp(26px,5vw,42px);line-height:1.3;margin:6px 0 10px}
.vi-hero p{margin:0 0 14px}
.vi-today small{font-weight:900;color:var(--tomato)}
.vi-today-in{display:grid;grid-template-columns:180px 1fr;gap:16px;align-items:center;text-decoration:none;margin-top:8px}
.vi-today-in img{width:100%;border-radius:var(--r-s);border:2px solid var(--line);aspect-ratio:16/9;object-fit:cover}
.vi-today-in b{display:block;font-family:var(--f-display);font-weight:400;font-size:clamp(20px,3.6vw,28px);line-height:1.3}
.vi-today-in span span{display:block;margin:4px 0 8px}
@media(max-width:560px){.vi-today-in{grid-template-columns:1fr}}
.vi-card{display:flex;flex-direction:column;text-decoration:none;overflow:hidden}
.vi-th{position:relative;display:block;border-bottom:2px solid var(--line)}
.vi-th img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover}
.vi-no{position:absolute;left:8px;top:8px;background:var(--ink);color:var(--paper);font-weight:900;font-size:13px;border-radius:6px;padding:0 7px}
.vi-bd{display:flex;flex-direction:column;gap:4px;padding:10px 12px 12px}
.vi-bd b{font-size:17px;line-height:1.35}
.vi-bd>span{font-size:14px;color:var(--ink2)}
.vi-tags{display:flex;flex-wrap:wrap;gap:4px;margin-top:2px}
.vi-u-juken{background:var(--grape-s)!important}.vi-u-eiken{background:var(--tomato-s)!important}.vi-u-toeic{background:var(--sky-s)!important}.vi-u-talk{background:var(--mint-s)!important}
.vi-count{font-size:13px;font-weight:700;color:var(--ink2);margin:0 0 10px}
.vi-quiz{text-align:center}
.vi-q-no{font-weight:900;color:var(--tomato);margin:0}
.vi-q{font-family:var(--f-display);font-size:clamp(24px,4.6vw,36px);line-height:1.3;margin:6px 0 16px}
.vi-opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:10px;margin-top:10px}
.vi-opts .btn{justify-content:center;white-space:normal;text-align:center;line-height:1.4}
.vi-opts .btn.vi-ok{background:var(--mint);color:#fff}.vi-opts .btn.vi-ng{background:var(--tomato);color:#fff}
.vi-opts .btn:disabled{cursor:default;transform:none}
.vi-q-fb{min-height:1.6em;margin:14px 0 0;font-weight:700}
.vi-q-res{font-size:18px}.vi-q-res b{font-size:32px;margin-right:6px}
.vi-more{display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:center;padding:18px 22px;text-decoration:none}
.vi-more-em{display:grid;place-items:center;width:52px;height:52px;border-radius:50%;background:var(--tomato);color:#fff;font-size:22px}
.vi-more b{display:block;font-size:17px}.vi-more span span{font-size:14px;color:var(--ink2)}
.vi-dhero{padding:24px;margin-top:18px;background:linear-gradient(120deg,var(--sky-s),var(--sun-s))}
.vi-dhero h1 small{display:block;font-family:inherit;font-size:15px;font-weight:700;color:var(--ink2);margin-top:4px}
.vi-ja{font-size:clamp(18px,3.2vw,22px);font-weight:900;margin:0 0 12px}
.vi-src{font-size:13px;color:var(--ink2);margin:8px 0 0}
.vi-ex{margin:8px 0 6px}.vi-ex p{margin:0 0 6px}.vi-ex p[lang=en]{font-size:17px}.vi-ex small{color:var(--ink2);font-size:12px}
.vi-script{display:grid;gap:12px}
.vl{display:grid;grid-template-columns:84px 1fr;gap:2px 12px}
.vl .sp{grid-row:span 2;font-weight:900;font-size:13px;color:var(--sky);padding-top:3px}
.vl.nar .sp{color:var(--tomato)}
.vl p{margin:0}.vl p[lang=en]{font-size:16px;line-height:1.6}
.vl .ja{font-size:14px;color:var(--ink2)}
.vi-script.no-ja .ja{visibility:hidden;height:0;overflow:hidden}
@media(max-width:560px){.vl{grid-template-columns:1fr}.vl .sp{grid-row:auto;padding:0}}
.vi-note{font-size:12px;color:var(--ink2);margin:6px 0 18px}
.vi-check{margin:18px 0}.vi-check p{margin:6px 0 0}
.vi-nav{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0}
.vi-nav a{padding:12px 16px;text-decoration:none}.vi-nav a:last-child{text-align:right}
.vi-nav small{display:block;font-size:12px;color:var(--ink2)}
.vi-credit{margin-top:18px}

.sync-card{background:var(--sky-s)}
.sync-code{font-size:28px;font-weight:900;letter-spacing:.12em;background:var(--card);border:2px dashed var(--line);border-radius:12px;padding:8px 14px;display:inline-block;margin:6px 0 10px}
.sync-qr{margin:0 0 10px}.sync-qr img,.sync-qr canvas{border:6px solid #fff;border-radius:8px}

.ph-lit{margin:-6px 0 10px;color:var(--ink2);font-size:14px}

/* onboarding */
.start-chip{display:none;align-items:center;gap:2px;text-decoration:none;font-weight:800;font-size:13px;border:2px solid var(--line);border-radius:999px;padding:4px 10px;background:var(--sun);color:#1B1B2F;box-shadow:var(--shadow-s);white-space:nowrap}
@media(min-width:760px){.start-chip{display:inline-flex}}
.start-bar{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;background:var(--sun-s);border:2px solid var(--line);border-radius:14px;padding:10px 14px;margin:6px 0 14px;font-size:14px}
.start-bar span{flex:1;min-width:180px}
.onb{position:fixed;inset:0;z-index:400;background:rgba(10,10,24,.6);display:flex;align-items:center;justify-content:center;padding:16px}
.onb-box{position:relative;width:min(560px,100%);max-height:92vh;overflow:auto;background:var(--card);border:3px solid var(--line);border-radius:22px;box-shadow:var(--shadow-l);padding:22px;animation:pop .25s cubic-bezier(.2,.9,.3,1.3)}
.onb-box h2{font-family:var(--f-display);font-weight:400;font-size:24px;margin:4px 0 6px}
.onb-x{position:absolute;right:12px;top:12px}
.onb-q{display:block;margin:14px 0 8px}
.onb-skip{text-align:center;margin:16px 0 0}.onb-skip .more{background:none;border:0;cursor:pointer;font:inherit;border-bottom:2px solid var(--tomato)}
.onb-steps{list-style:none;padding:0;margin:12px 0 0;display:grid;gap:10px}
.onb-steps a{display:grid;grid-template-columns:auto auto 1fr auto;gap:10px;align-items:center;text-decoration:none;border:2px solid var(--line);border-radius:14px;padding:12px;background:var(--paper2);box-shadow:var(--shadow-s)}
.onb-steps a:hover{background:var(--sun-s)}
.onb-n{width:28px;height:28px;border-radius:50%;background:var(--tomato);color:#fff;display:grid;place-items:center;font-weight:900}
.onb-ic{font-size:26px}.onb-steps b{display:block}.onb-steps small{color:var(--ink2)}.onb-arrow{font-weight:900}
.start-hero{margin-top:18px;background:linear-gradient(120deg,#FFF4C2,#D6F7E8)}
.start-steps{list-style:none;padding:0;display:grid;gap:10px}
.start-steps li{background:var(--card);border:2px solid var(--line);border-radius:14px;padding:12px 16px;box-shadow:var(--shadow-s);display:grid;gap:4px}
.start-sec h3{margin:18px 0 8px}
.start-grid{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(min(100%,200px),1fr))}
.start-link{display:flex;flex-direction:column;gap:2px;padding:12px 14px;text-decoration:none}.start-link small{color:var(--ink2)}

/* series (playlist) cards */
.series-row{margin:6px 0 22px}
.sr-lab{display:block;margin:0 0 10px;font-size:15px}
.series-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(min(100%,230px),1fr))}
.series-card{display:flex;flex-direction:column;overflow:hidden;padding:0;text-decoration:none;color:inherit;transition:transform .15s}
.series-card:hover{transform:translateY(-3px)}
.sc-th{position:relative;display:block;aspect-ratio:16/9;background:var(--paper2);border-bottom:2px solid var(--line);overflow:hidden}
.sc-th img{width:100%;height:100%;object-fit:cover;display:block}
.sc-th::after{content:"";position:absolute;right:0;top:0;bottom:0;width:34%;background:linear-gradient(90deg,rgba(0,0,0,0),rgba(0,0,0,.55))}
.sc-n{position:absolute;right:8px;bottom:8px;z-index:1;background:rgba(0,0,0,.78);color:#fff;font-weight:900;font-size:13px;border-radius:8px;padding:3px 8px}
.sc-bd{display:flex;flex-direction:column;gap:4px;padding:10px 12px 12px;flex:1}
.sc-bd small{color:var(--mute);font-size:11px;font-weight:700}
.sc-bd b{font-size:14px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sc-bd .btn{margin-top:auto;align-self:flex-start}
.series-cta{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;background:var(--sun-s);border:2px solid var(--line);border-radius:12px;padding:8px 12px;font-size:14px}
.xembed{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:8px}

/* jump nav: PC/タブレットは折り返して全部見せる、スマホは横スクロール＋右端フェード */
@media(min-width:700px){.jump .wrap{flex-wrap:wrap;justify-content:center;overflow:visible}}
@media(max-width:699px){.jump{-webkit-mask-image:linear-gradient(90deg,#000 88%,transparent);mask-image:linear-gradient(90deg,#000 88%,transparent)}.jump .wrap{padding-right:40px}}
.tsuyaku-bunka{display:flex;gap:14px;align-items:flex-start;text-decoration:none;color:inherit;background:linear-gradient(120deg,#FFF1E6,#FFF9D6)}
.tsuyaku-bunka>span:last-child{display:flex;flex-direction:column;gap:4px}.tsuyaku-bunka small{color:var(--tomato);font-weight:800}
.col-vids{margin:14px 0 22px}
/* noise */
.nz-grid{display:grid;gap:12px;grid-template-columns:repeat(4,1fr)}@media(max-width:760px){.nz-grid{grid-template-columns:repeat(2,1fr)}}
.nz-btn{display:flex;flex-direction:column;gap:4px;align-items:flex-start;text-align:left;padding:16px;cursor:pointer;font:inherit;color:inherit}
.nz-btn[aria-pressed="true"]{background:var(--ink);color:var(--paper)}.nz-btn[aria-pressed="true"] small{color:inherit;opacity:.8}
.nz-btn small{color:var(--ink2)}.nz-ic{font-size:30px}
.nz-beats{margin:14px 0 0;padding:14px;border:2px dashed var(--line);border-radius:14px;background:var(--card)}
.nz-beats .chip small{font-weight:600;opacity:.75}
.nz-mix{display:flex;gap:6px;align-items:center;margin:10px 0 0;font-size:14px}
.nz-ctrl{margin-top:14px;display:grid;gap:10px}
.nz-now{font-weight:900;font-size:18px}
.nz-vol{display:flex;gap:8px;align-items:center}.nz-vol input{flex:1;accent-color:var(--tomato)}
.nz-left{font-weight:800;color:var(--tomato)}
.nz-warn{font-size:13px;color:var(--ink2);margin:6px 0 0}
.nz-exp{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr))}.nz-exp h3{margin:0 0 6px}.nz-exp p{font-size:14px;margin:6px 0 0}

/* =========================================================
   v4 安定化：横揺れ・ガタつき・スクロール不能の対策 ＋ ページ切り替え
   ========================================================= */
/* 閉じているメニューは画面外に「存在しない」ことにする（iOSで横に揺れる原因） */
.drawer{overflow:hidden;visibility:hidden;transition:opacity .2s,visibility 0s .2s}
.drawer.open{visibility:visible;transition:opacity .2s}
/* スマホでは「触れたらカードが動く」を止める（タップのたびにガタつく） */
@media (hover:none){
  .btn:hover,.vcard:hover,.tile:hover,.q-btn:hover,.mini-tile:hover,.qmode:hover,.opt:hover,.song:hover,.jiji:hover,.series-card:hover,.sd-opt:hover{transform:none;box-shadow:var(--shadow-s)}
  .vcard:hover,.tile:hover,.qmode:hover{box-shadow:var(--shadow)}
  .yt:hover img{transform:none}
}
/* ずっと動き続ける飾りは止める（目が疲れる・何を見ればいいか分からなくなる） */
.marquee div,.sd-em,.jiji-badge,.vinyl,.sd-spin,.sd-big{animation:none!important}
/* 横スクロールの列は「吸い付き」を弱く・縦スクロールを邪魔しない */
.hscroll,.tabs,.filters .row,.jump .wrap{scroll-snap-type:x proximity;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch}
/* 動画の絞り込みバーはスマホでは固定しない（画面の半分を覆ってしまう） */
@media(max-width:899px){.filters{position:static;backdrop-filter:none;background:none}}
.modal .box{max-height:none}
@media(max-width:600px){.modal .box{max-height:92vh;max-height:92dvh;overscroll-behavior:contain}}
.toast{max-width:calc(100vw - 32px);white-space:normal;text-align:center}
/* スマホの動画カードは2列で「ずらっと縦長」を防ぐ */
@media(max-width:600px){
  .grid.g4:has(>.vcard),.grid.g3:has(>.vcard){grid-template-columns:1fr 1fr;gap:10px}
  .grid:has(>.vcard) .vcard .ttl{display:none}
  .grid:has(>.vcard) .vcard .catch{font-size:13px;line-height:1.45}
  .grid:has(>.vcard) .vcard .bd{padding:8px 9px 10px;gap:4px}
  .grid:has(>.vcard) .vcard .fav{width:28px;height:28px;font-size:13px;right:6px;top:calc(28.1% - 14px)}
  .grid:has(>.vcard) .vcard .meta .tag{font-size:11px}
  .grid:has(>.vcard) .vcard{box-shadow:var(--shadow-s)}
  .vcard .th .rank{font-size:14px;padding:0 6px;left:5px;top:5px}
}
/* ページ切り替え（1〜12 / 13〜24 …） */
.clamp-bar{margin:18px 0 6px;display:grid;gap:8px;justify-items:center}
.pg-info{font-size:13px;color:var(--ink2);font-weight:700}
.pg-row{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;align-items:center}
.pg-btn{border:2px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink);font:inherit;font-weight:800;font-size:13px;padding:6px 10px;cursor:pointer;min-height:40px;font-variant-numeric:tabular-nums}
.pg-btn[aria-current]{background:var(--ink);color:var(--paper)}
.pg-btn[disabled]{opacity:.35;cursor:default}
.pg-nav{background:var(--sun);color:#1B1B2F}
.pg-gap{color:var(--mute);font-weight:800}
[data-clamp],.pg,#vlist,#sortList,#rankList{scroll-margin-top:84px}
/* JSが動く前から長い一覧を短くしておく（読み込み中に縦に伸びて→縮む、のガタつき防止） */
[data-clamp]:not(.pg):not([data-clamp="16"]):not([data-clamp="60"])>:nth-child(n+13){display:none}
[data-clamp="3"]:not(.pg)>:nth-child(n+4),[data-clamp="4"]:not(.pg)>:nth-child(n+5),[data-clamp="6"]:not(.pg)>:nth-child(n+7),[data-clamp="8"]:not(.pg)>:nth-child(n+9),[data-clamp="9"]:not(.pg)>:nth-child(n+10){display:none}
[data-clamp="16"]:not(.pg)>:nth-child(n+17),[data-clamp="60"]:not(.pg)>:nth-child(n+61){display:none}
/* ---------- home v4：迷わない3ステップ ---------- */
.hero-v4{padding:26px 0 8px}
.hero-v4 h1{font-size:clamp(30px,6vw,52px);margin:10px 0 10px}
.hero-v4 .lead{margin:0 0 16px;max-width:40em}
.how3{list-style:none;margin:0 0 16px;padding:0;display:grid;gap:10px;max-width:760px}
@media(min-width:900px){.how3{grid-template-columns:repeat(3,1fr);max-width:none}}
.how3 a{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;text-decoration:none;background:var(--card);border:2px solid var(--line);border-radius:16px;padding:12px 14px;box-shadow:var(--shadow-s);height:100%}
.how3 li:first-child a{background:var(--tomato);color:#fff}.how3 li:first-child small{color:#fff;opacity:.92}
.how3 b{display:block;font-size:17px;line-height:1.35}.how3 small{display:block;font-size:12.5px;color:var(--ink2);line-height:1.5;font-weight:700}
.how-n{width:36px;height:36px;border-radius:50%;border:2px solid var(--line);background:var(--sun);color:#1B1B2F;display:grid;place-items:center;font-family:var(--f-num);font-weight:900;font-size:18px}
.how-go{font-size:14px;opacity:.8}
.step-b{display:inline-grid;place-items:center;width:1.35em;height:1.35em;border-radius:50%;background:var(--tomato);color:#fff;font-family:var(--f-num);font-size:.8em;margin-right:8px;vertical-align:.08em;border:2px solid var(--line)}
.sec-tint{background:var(--paper2);border-block:2px solid var(--line)}
.p-steps{list-style:none;margin:0;padding:0;display:grid;gap:8px}
@media(min-width:900px){.p-steps{grid-template-columns:repeat(3,1fr)}}
.p-steps a{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;text-decoration:none;border:2px solid var(--line);border-radius:12px;padding:10px 12px;background:var(--sun-s);height:100%}
.p-steps b{font-size:15px;line-height:1.4}
.p-n{width:28px;height:28px;border-radius:50%;background:var(--ink);color:var(--paper);display:grid;place-items:center;font-weight:900;font-family:var(--f-num)}
.p-go{font-weight:900}
.more-box{display:grid;gap:16px}.more-box b{display:block;margin-bottom:8px;font-size:15px}
.more-box .chip{font-size:13px}
#personaTabs{gap:6px}#personaTabs .chip{font-size:13px}
/* 次に見る・続きから */
.next-box{margin-top:16px;border:2px dashed var(--line);border-radius:14px;padding:12px;background:var(--paper2);display:grid;gap:4px;transition:box-shadow .3s,background .3s}
.next-box>b{font-size:15px}
.next-box .sr-item img{width:96px;height:54px}
.next-box.glow{background:var(--sun-s);box-shadow:0 0 0 4px var(--sun)}
.resume{margin-top:18px}
/* メニュー */
.menu-btn{width:auto;min-width:46px;height:44px;padding:0 8px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.menu-btn i{margin-top:6px}.menu-btn small{font-size:9px;font-weight:800;line-height:1;margin-top:5px}
.dr-more{margin-top:10px;border:2px solid var(--line);border-radius:12px;background:var(--card)}
.dr-more summary{padding:12px 14px;font-weight:800;cursor:pointer;list-style:none;display:flex;justify-content:space-between}
.dr-more summary::after{content:"＋";font-weight:900}.dr-more[open] summary::after{content:"−"}
.dr-more summary::-webkit-details-marker{display:none}
.dr-more .dr-links{padding:0 10px 12px}
.dr-links a{box-shadow:none}
.pg>[hidden],[data-out]{display:none!important}
/* スマホのコラムカードは1行リスト風に（1枚300px→100px） */
@media(max-width:600px){
  .grid:has(>.ccard){gap:10px}
  .ccard{display:grid;grid-template-columns:44px 1fr;gap:2px 12px;padding:12px 14px;align-items:center;box-shadow:var(--shadow-s)}
  .ccard .em{width:44px;height:44px;font-size:24px;border-radius:12px;grid-row:span 2}
  .ccard h3{font-size:15px;margin:0;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .ccard p{display:none}
  .ccard .meta{margin:0}
}
.today-side{align-content:start}

/* =========================================================
   v5 見やすさ優先：方眼・太い黒線・黒いベタ影をやめ、文字を濃く大きく
   ========================================================= */
:root{
  --paper:#FAF8F3; --paper2:#F3EFE6; --card:#FFFFFF; --ink:#1B1B2F; --ink2:#3C3C52; --mute:#5E5E74;
  --line:#D9D4C7;
  --shadow:0 2px 10px rgba(27,27,47,.07); --shadow-s:0 1px 3px rgba(27,27,47,.08); --shadow-l:0 6px 22px rgba(27,27,47,.12);
}
:root[data-theme="dark"]{--paper:#15152A;--paper2:#1D1D36;--card:#222240;--ink:#F4F1E8;--ink2:#D2CFE0;--mute:#A9A6C0;--line:#3A3A5C;--shadow:0 2px 10px rgba(0,0,0,.35);--shadow-s:0 1px 3px rgba(0,0,0,.4);--shadow-l:0 6px 22px rgba(0,0,0,.5)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--paper:#15152A;--paper2:#1D1D36;--card:#222240;--ink:#F4F1E8;--ink2:#D2CFE0;--mute:#A9A6C0;--line:#3A3A5C;--shadow:0 2px 10px rgba(0,0,0,.35);--shadow-s:0 1px 3px rgba(0,0,0,.4);--shadow-l:0 6px 22px rgba(0,0,0,.5)}}
body{background-image:none;font-size:16px;line-height:1.85}
/* 見出しは読みやすいゴシックに（極太ロゴ書体はロゴとトップの大見出しだけ） */
.sec-h h2,.art-hd h1,.prose h2,.toc b,.tile b,.qmode b,.plan b,.me-name,.teen-h,.onb-box h2,.vi-q,.sd-hero h1,.sd-res h1,.buzz-hero h1,.carp-hero h1,.ch-hero h1,.vi-hero h1,.vi-dhero h1,.shindan-cta b,.jiji-t b,.carp-cta b,.vi-today-in b,.phrase-hero h1{font-family:var(--f-body);font-weight:900;letter-spacing:0}
.sec-h h2{font-size:clamp(21px,3.4vw,27px)}
.prose h2{border-left-width:6px}
/* 線とカード */
.card,.vcard,.tile,.mini-tile,.q-btn,.ccard,.song,.jiji,.opt,.qmode,.strat li,.faq details,.art-lead,.todo,.toc,.how3 a,.p-steps a,.dr-links a,.dr-more,.onb-box,.modal .box{border-width:1px}
.vcard:hover,.tile:hover{transform:translateY(-2px)}
.btn{border-width:1.5px;box-shadow:none}
.btn:hover{box-shadow:var(--shadow-s)}
.btn:not(.pri):not(.sun):not(.mint):not(.sky):not(.grape):not(.ink){border-color:#C9C3B4}
.chip{border-width:1.5px;border-color:#CFC9BA;font-weight:700}
.chip[aria-pressed="true"],.chip.on{border-color:var(--ink)}
.icon-btn,.chip-streak{border-width:1.5px;box-shadow:none}
.hd{border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--paper) 94%,transparent)}
.tabbar{border-top:1px solid var(--line);box-shadow:0 -2px 10px rgba(27,27,47,.05)}
.logo b{border-width:1.5px;box-shadow:none;transform:none}
.vcard .th{border-bottom:1px solid var(--line)}
.vcard .th .rank,.vcard .th .seen,.vcard .fav{border-width:1.5px;box-shadow:none}
.vcard .fav{border-color:rgba(0,0,0,.15)}
.sec-tint{border-block:1px solid var(--line)}
.pg-btn{border-width:1.5px;border-color:#CFC9BA}.pg-btn[aria-current]{border-color:var(--ink)}
.how-n,.step-b,.mission .ck,.avatar,.opt kbd{border-width:1.5px}
.mission{border-width:1.5px}
.xpbar,.qprog,.road{border-width:1.5px}
.tag{font-size:12.5px}
/* 文字を読みやすく */
.vcard .catch{font-size:16px}
.vcard .ttl,.sec-h p,.ccard p,.me-stats small,.mission .xp{color:var(--ink2)}
.sr-item small,.pg-info{color:var(--ink2)}
@media(max-width:600px){.grid:has(>.vcard) .vcard .catch{font-size:14px}}
.hero-search,.search{border-width:1.5px;box-shadow:var(--shadow-s)}
#rankList .tag.hot{display:none}
@media(max-width:899px){.to-top{display:none}}
.today-main .ribbon,.dr-top{border-bottom-width:1px}
/* ---------- ゴロ暗記500 ---------- */
.goro-hero,.gogen-hero{margin-top:18px;background:linear-gradient(120deg,#FFF4C2,#FFE0EF 60%,#E6F0FF)}
.gogen-hero{background:linear-gradient(120deg,#E3F7EC,#FFF4C2)}
:root[data-theme="dark"] .goro-hero,:root[data-theme="dark"] .gogen-hero{background:var(--card)}
.goro-hero h1,.gogen-hero h1{font-family:var(--f-display);font-weight:400;font-size:clamp(30px,6vw,48px);line-height:1.2;margin:6px 0 10px}
.goro-hero h1 small,.gogen-hero h1 small{display:block;font-family:var(--f-body);font-weight:900;font-size:clamp(17px,3vw,22px);margin-top:6px}
.goro-prog{display:grid;grid-template-columns:auto auto auto 1fr;gap:4px 8px;align-items:baseline;margin:14px 0;font-weight:800;max-width:520px}
.goro-prog b{font-size:28px;color:var(--tomato)}.goro-prog .xpbar{grid-column:1/-1;margin:2px 0 0}
.goro-today{margin-top:22px;border-left:6px solid var(--sun)}
.gt-w,.gd-w{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:6px 0}
.gt-w b,.gd-w b{font-family:var(--f-en);font-size:clamp(30px,6vw,40px);line-height:1.1}
.gt-ja{font-weight:900;font-size:18px}
.gt-goro{font-size:clamp(18px,3.4vw,22px);font-weight:900;line-height:1.55;margin:8px 0 4px;background:linear-gradient(transparent 62%,var(--sun-s) 62%);display:inline}
.gt-scene{color:var(--ink2);font-size:15px;margin:10px 0 12px}
.goro-card{padding:22px;max-width:720px}
.gd-head{display:flex;justify-content:space-between;font-weight:800;font-size:14px}
.gd-w{justify-content:center;margin-top:14px}.gd-w b{font-size:clamp(38px,9vw,56px)}
.gd-kana{text-align:center;color:var(--ink2);margin:0 0 12px}
.gd-q{text-align:center;color:var(--ink2);font-weight:700}
.gd-ans{background:var(--paper2);border-radius:14px;padding:14px 16px;margin:6px 0 14px}
.gd-ja{font-size:22px;font-weight:900;margin:0 0 6px}
.gd-btns{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.gd-btns .btn{flex:1 1 200px}
.gd-end{text-align:center;padding:10px 0}
.goro-list{display:grid;gap:8px}
.gw{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-s)}
.gw summary{list-style:none;display:grid;grid-template-columns:40px 1fr;gap:10px;padding:12px 14px;cursor:pointer;align-items:start}
.gw summary::-webkit-details-marker{display:none}
.gw-n{font-size:13px;font-weight:800;color:var(--mute);padding-top:4px;text-align:right}
.gw-main{display:grid;gap:2px}
.gw-main b{font-family:var(--f-en);font-size:21px;line-height:1.2}
.gw-ja{font-weight:900;font-size:15px}
.gw-goro{font-size:14.5px;color:var(--ink2);line-height:1.6}
.gw.got{background:var(--mint-s)}.gw.got .gw-n::after{content:" ✓";color:var(--mint)}
.gw[open]{box-shadow:var(--shadow)}
.gw-bd{padding:0 16px 14px 64px;font-size:15px}
.gw-bd p{margin:6px 0}.gw-ex small,.gw-kana{color:var(--ink2)}.gw-ex span{font-family:var(--f-en);font-size:16px}
@media(max-width:600px){.gw summary{grid-template-columns:30px 1fr;gap:8px;padding:10px 12px}.gw-bd{padding:0 12px 12px 12px}}
.gogen-cta{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;text-decoration:none;background:var(--mint-s)}
.gogen-cta b{display:block;font-size:18px}.gogen-cta span span{font-size:14px;color:var(--ink2)}
.gc-em{font-size:40px}
@media(max-width:600px){.gogen-cta{grid-template-columns:auto 1fr}.gogen-cta .btn{grid-column:1/-1}}
/* ---------- 語源 ---------- */
.gogen-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(min(100%,320px),1fr))}
.gg-card{padding:16px}
.gg-top{display:flex;gap:12px;align-items:center}
.gg-em{font-size:30px;width:50px;height:50px;border-radius:14px;background:var(--sun-s);display:grid;place-items:center;flex:none}
.gg-top b{font-family:var(--f-en);font-size:24px;margin-right:6px}.gg-ja{font-weight:900}
.gg-top small{display:block;color:var(--mute);font-size:12px}
.gg-tip{font-size:14px;margin:10px 0;color:var(--ink2)}
.gg-words{list-style:none;padding:0;margin:0;display:grid;gap:6px}
.gg-words a{display:grid;grid-template-columns:auto 1fr;gap:0 10px;text-decoration:none;background:var(--paper2);border-radius:10px;padding:7px 10px}
.gg-words b{font-family:var(--f-en);font-size:17px;grid-row:span 2;align-self:center;min-width:90px}
.gg-words span{font-size:13px;color:var(--ink2)}.gg-words small{font-size:13px;font-weight:800}
.gg-words a:hover{background:var(--sun-s)}
/* ---------- 30秒でわかる！この動画の内容 ---------- */
.vsum{margin:14px 0 4px;background:var(--sun-s);border:1.5px solid #F0D98A;border-radius:16px;padding:16px 18px;position:relative}
:root[data-theme="dark"] .vsum{border-color:#5a4d1e}
.vsum-h{display:inline-block;font-family:var(--f-body);font-weight:900;font-size:16px;line-height:1.4;margin:0 0 8px;padding:3px 12px;border-radius:999px;background:var(--ink);color:var(--paper)}
.vsum-intro{font-size:16.5px;line-height:1.9;margin:4px 0 12px;font-weight:500;color:var(--ink)}
.vsum-facts{display:grid;gap:6px;margin:0 0 10px}
.vsum-facts div{display:grid;grid-template-columns:7.2em 1fr;gap:8px;background:var(--card);border-radius:10px;padding:7px 12px;font-size:14px;line-height:1.6}
.vsum-facts dt{font-weight:900;color:var(--ink2)}.vsum-facts dd{margin:0;font-weight:700}
.vsum-point{background:var(--card);border-radius:10px;padding:9px 12px;margin:0 0 10px;font-size:14.5px}
.vsum-how{background:var(--card);border-radius:10px;padding:10px 12px;font-size:14.5px}
.vsum-how ol{margin:6px 0 0;padding-left:1.4em}.vsum-how li{margin:3px 0}
.today-body .vsum{margin-top:12px}
.narrow>.vsum{margin:18px 0}
/* ホームの勉強法コラム */
.sec-col{background:linear-gradient(180deg,var(--mint-s),transparent 70%);border-top:1px solid var(--line)}
.col-pick:not(.ready)>:nth-child(n+4){display:none}
.col-cats{margin-top:18px}.col-cats b{display:block;margin-bottom:8px;font-size:15px}.col-cats .chip{font-size:13px}

/* =========================================================
   v6 TED HACK 方式：あなたは？→コースを1つ選ぶ→毎日ボタンを押すだけ
   ========================================================= */
@media(min-width:1000px){.nav{display:flex}}
.nav a.nav-ted{background:#E62B1E;color:#fff}
/* hero */
.hero6{background:radial-gradient(ellipse at 50% 0,#5a1d22 0,#1a1a24 60%);color:#F6F1E7;padding:44px 0 34px;text-align:center}
.h6-eye{font-weight:900;font-size:13px;color:#FF8A80;letter-spacing:.06em}
.hero6 h1{font-family:var(--f-body);font-weight:900;font-size:clamp(30px,6.4vw,58px);line-height:1.3;margin:12px 0 14px;letter-spacing:.01em}
.h6-mk{display:inline-block;background:#E62B1E;color:#fff;border:3px solid #111;border-radius:12px;padding:0 12px;box-shadow:4px 4px 0 #000;transform:rotate(-2deg);margin:4px 6px 4px 0}
.h6-lead{font-size:clamp(15px,2.4vw,18px);line-height:1.9;margin:0 0 22px;color:#E9E3D8}
.h6-card{background:#fff;color:#1B1B2F;border-radius:22px;padding:18px 14px 14px;max-width:560px;margin:0 auto;box-shadow:6px 6px 0 #000;text-align:left}
.h6-q{text-align:center;font-weight:900;font-size:21px;margin:0 0 12px}
.h6-pill{display:inline-block;margin:22px 0 0;border:2px solid rgba(255,255,255,.35);border-radius:999px;padding:8px 18px;font-size:14px;font-weight:700;color:#F6F1E7}
.h6-pill b{color:#FFD23F}
/* course cards */
.course-picks{display:grid;gap:10px}
.course-pick{display:grid;grid-template-columns:52px 1fr auto;gap:12px;align-items:center;text-decoration:none;color:#1B1B2F;background:#FFF8EC;border:2.5px solid #1B1B2F;border-radius:16px;padding:12px 14px;box-shadow:3px 3px 0 #1B1B2F;transition:transform .1s}
.course-pick:hover{transform:translate(-1px,-1px);box-shadow:4px 4px 0 #1B1B2F}
.course-pick:active{transform:translate(2px,2px);box-shadow:none}
.course-pick.last{background:#FFF1C9}
.cp-ic{font-size:34px;text-align:center}
.course-pick small{display:block;color:#E62B1E;font-weight:900;font-size:12.5px}
.course-pick b{display:block;font-size:18px;line-height:1.35}
.course-pick em{display:block;font-style:normal;font-size:12.5px;color:#5E5E74;margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}
.cp-resume{color:#16895C;font-size:13px}
.cp-go{font-weight:900;font-size:18px}
.course-pick>span:nth-child(2){min-width:0}
/* 3 steps */
.c-h2{font-family:var(--f-body);font-weight:900;font-size:clamp(22px,3.6vw,30px);margin:0 0 6px;line-height:1.35}
.c-sub{color:var(--ink2);margin:0 0 16px;font-size:15px}
.m3{list-style:none;margin:0 0 22px;padding:0;display:grid;gap:12px;grid-template-columns:repeat(3,1fr)}
.m3 li{position:relative;background:var(--card);border:2.5px solid var(--ink);border-radius:16px;padding:16px 14px;box-shadow:3px 3px 0 var(--ink);display:grid;gap:2px}
.m3-n{position:absolute;left:12px;top:12px;width:28px;height:28px;border-radius:50%;background:#E62B1E;color:#fff;display:grid;place-items:center;font-weight:900;font-family:var(--f-num)}
.m3-ic{font-size:30px;text-align:center}.m3 b{font-size:17px;text-align:center}.m3 small{font-size:13px;color:var(--ink2);text-align:center;line-height:1.6}
@media(max-width:600px){.m3{grid-template-columns:1fr}.m3 li{padding:12px 14px 12px 52px}.m3-ic{display:none}.m3 b,.m3 small{text-align:left}}
/* goals */
.goal-grid{display:grid;gap:12px;grid-template-columns:repeat(4,1fr)}
@media(max-width:860px){.goal-grid{grid-template-columns:1fr 1fr}}
.goal{position:relative;display:flex;flex-direction:column;gap:2px;text-decoration:none;border:2.5px solid var(--ink);border-radius:16px;padding:14px 14px 12px;box-shadow:3px 3px 0 var(--ink);min-height:118px;color:#1B1B2F}
.goal:active{transform:translate(2px,2px);box-shadow:none}
.g-ic{font-size:30px;line-height:1.2}.goal b{font-size:16px;line-height:1.4}.goal small{font-size:12.5px;font-weight:700;color:#4A4A63}
.g-go{position:absolute;right:12px;bottom:10px;font-weight:900}
@media(max-width:600px){.goal{min-height:0;padding:12px}.goal b{font-size:15px}}
/* TED HACK banner */
.tedhack{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;text-decoration:none;background:#1a1a24;color:#F6F1E7;border-radius:20px;padding:20px 22px;box-shadow:5px 5px 0 #E62B1E}
.th-logo{background:#E62B1E;color:#fff;font-family:var(--f-num);font-weight:900;font-size:26px;border-radius:10px;padding:4px 12px;border:3px solid #fff;transform:rotate(-4deg)}
.th-t small{display:block;color:#FF8A80;font-weight:900;font-size:12.5px}.th-t b{display:block;font-size:clamp(20px,3.4vw,26px);line-height:1.3}.th-t span{font-size:14px;color:#D8D2C6}
@media(max-width:640px){.tedhack{grid-template-columns:auto 1fr}.tedhack .btn{grid-column:1/-1}}
/* other menus */
.more-menu{border:1.5px solid var(--line);border-radius:16px;background:var(--card)}
.more-menu summary{padding:14px 18px;font-weight:900;cursor:pointer;list-style:none;display:flex;justify-content:space-between}
.more-menu summary::after{content:"+"}.more-menu[open] summary::after{content:"-"}.more-menu summary::-webkit-details-marker{display:none}
.mm-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(min(100%,220px),1fr));padding:0 18px 18px}
.mm-grid b{display:block;margin-bottom:4px}.mm-grid a{display:block;text-decoration:none;padding:5px 0;font-size:14.5px;font-weight:700;border-bottom:1px dashed var(--line)}
/* course page */
.course-hero{text-align:center;padding:22px 0 8px}
.ch-ic{font-size:52px;line-height:1}.course-hero small{display:block;color:#E62B1E;font-weight:900;margin-top:8px}
.course-hero h1{font-family:var(--f-body);font-weight:900;font-size:clamp(28px,6vw,42px);margin:4px 0 8px;line-height:1.3}
.course-hero p{color:var(--ink2);margin:0 auto;max-width:34em}
.course-prog{padding:16px 18px;margin:16px 0}
.cp-row{display:flex;justify-content:space-between;align-items:flex-end}.cp-row small{display:block;font-weight:800;color:var(--ink2);font-size:13px}.cp-row b{font-size:22px}
.cp-streak{font-weight:800}.cp-msg{margin:6px 0 0;font-weight:700}
.cmission{display:block;padding:20px 18px;border:2.5px solid var(--ink);box-shadow:4px 4px 0 var(--ink);scroll-margin-top:76px}
.m-head{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.m-day{background:#E62B1E;color:#fff;font-family:var(--f-num);font-weight:900;border-radius:8px;padding:2px 10px}
.m-week{font-size:13px;font-weight:800;color:var(--ink2)}
.m-title{font-size:clamp(20px,3.6vw,26px);line-height:1.45;margin:10px 0 6px}
.m-step{border-top:2px dashed var(--line);padding:16px 0 6px;margin-top:10px}
.m-sh{font-weight:900;font-size:17px;display:flex;align-items:center;gap:8px;margin-bottom:10px;flex-wrap:wrap}.m-sh small{font-weight:700;color:var(--ink2);font-size:13px}
.m-n{width:28px;height:28px;border-radius:50%;background:var(--ink);color:var(--paper);display:grid;place-items:center;font-family:var(--f-num)}
.m-intro{font-size:15.5px;line-height:1.85;margin:12px 0 8px}
.m-tip{background:var(--sun-s);border-radius:10px;padding:8px 12px;font-size:14.5px;margin:6px 0}
.m-sub{font-size:13.5px;color:var(--ink2);margin:6px 0}
.m-ck{display:inline-flex;align-items:center;gap:8px;margin:8px 0;font-weight:900;font-size:16px;background:var(--mint-s);border-radius:999px;padding:8px 16px;cursor:pointer}
.m-ck input{width:22px;height:22px;accent-color:var(--mint)}
.m-memo{width:100%;font-size:15px}
.mw-list{display:grid;gap:8px}
.mw{border:1.5px solid var(--line);border-radius:12px;background:var(--card)}
.mw summary{list-style:none;display:flex;justify-content:space-between;align-items:center;padding:10px 14px;cursor:pointer}.mw summary::-webkit-details-marker{display:none}
.mw summary b{font-family:var(--f-en);font-size:21px}.mw-hint{font-size:12.5px;color:var(--mute);font-weight:700}
.mw[open] .mw-hint{display:none}
.mw-a{padding:0 14px 12px;display:grid;gap:2px}.mw-a b{font-size:16px}.mw-a span{font-size:14px;color:var(--ink2)}
.m-vids{display:grid;gap:4px}
.m-memos{margin:0;padding-left:1.2em;font-size:14.5px}
.m-done{width:100%;margin-top:18px}
.m-done[disabled]{opacity:.45}
.m-after{margin:12px 0 0;font-size:15px;line-height:1.9}
.cw{margin:18px 0}.cw-h{display:flex;gap:10px;align-items:baseline;flex-wrap:wrap;margin-bottom:8px}.cw-h b{background:var(--ink);color:var(--paper);border-radius:8px;padding:1px 10px;font-size:14px}.cw-h span{font-weight:800;font-size:14px}
.cd-list{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.cd{width:100%;display:grid;grid-template-columns:auto 1fr auto;gap:2px 12px;align-items:center;text-align:left;background:var(--card);border:1.5px solid var(--line);border-radius:12px;padding:10px 12px;cursor:pointer;font:inherit;color:var(--ink)}
.cd-n{font-family:var(--f-num);font-weight:900;font-size:13px;color:#E62B1E;grid-row:span 2}
.cd-t{font-weight:800;font-size:15px;line-height:1.45}.cd small{color:var(--mute);font-size:12px;grid-column:2}
.cd-ok{grid-row:1/span 2;grid-column:3;width:26px;height:26px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;color:#fff;font-weight:900;font-size:14px}
.cd.done{background:var(--mint-s)}.cd.done .cd-ok{background:var(--mint);border-color:var(--mint)}.cd.done .cd-ok::after{content:"\2713"}
.cd.now{border:2.5px solid #E62B1E}
.nw{display:inline-block}
.menu-btn small{white-space:nowrap}.menu-btn{min-width:52px}

/* ---------- v7 5ステップ（1画面に1ステップ） ---------- */
.m5{list-style:none;margin:0 0 22px;padding:0;display:grid;gap:10px;grid-template-columns:repeat(5,1fr)}
.m5 li{position:relative;background:var(--card);border:2.5px solid var(--ink);border-radius:16px;padding:16px 12px 14px;box-shadow:3px 3px 0 var(--ink);display:grid;gap:2px;text-align:center}
.m5 b{font-size:15.5px;line-height:1.4}.m5 small{font-size:12.5px;color:var(--ink2);line-height:1.6}
@media(max-width:860px){.m5{grid-template-columns:1fr}.m5 li{padding:12px 14px 12px 52px;text-align:left}.m5 .m3-ic{display:none}}
.st-dots{list-style:none;display:flex;gap:6px;padding:0;margin:12px 0 4px;counter-reset:none}
.st-dots li{flex:1;position:relative}
.st-dots li:not(:last-child)::after{content:"";position:absolute;top:50%;left:calc(50% + 18px);right:calc(-50% + 18px);border-top:2px dashed var(--line)}
.st-dots button{display:grid;place-items:center;margin:0 auto;width:34px;height:34px;border-radius:50%;border:2px solid var(--line);background:var(--card);font:inherit;font-weight:900;cursor:pointer;color:var(--mute)}
.st-dots li.on button{background:#E62B1E;border-color:#E62B1E;color:#fff}
.st-dots li.ok button{background:var(--mint);border-color:var(--mint);color:#fff}
.st-body{border-top:2px dashed var(--line);margin-top:12px;padding-top:14px}
.st-h{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-weight:900;font-size:19px}
.st-h small{margin-left:auto;font-size:13px;color:var(--ink2);font-weight:800}
.st-gain{margin:4px 0 10px;font-size:13px;font-weight:800;color:#7c3aed}
.st-body p{font-size:15.5px;line-height:1.85}
.st-title{background:var(--paper2);border-radius:12px;padding:10px 14px;margin:8px 0}
.st-title b{display:block;font-family:var(--f-en);font-size:19px;line-height:1.35}.st-title small{color:var(--mute)}
.st-body .yt{margin:10px 0}
.st-body .inp{width:100%;font-size:15px}
.st-sum{margin:10px 0;background:var(--sun-s);border-radius:12px;padding:8px 14px}.st-sum summary{cursor:pointer;font-weight:800;font-size:14px}.st-sum p{font-size:14.5px;margin:8px 0 4px}
.ex-in{display:grid;gap:8px;margin:10px 0}
.ex-in div{display:grid;grid-template-columns:22px 1.3fr 1fr;gap:6px;align-items:center}
.ex-in .num{font-weight:900;color:#E62B1E}
@media(max-width:600px){.ex-in div{grid-template-columns:22px 1fr}.ex-in div input:last-child{grid-column:2}}
.sh-ticks{display:flex;gap:8px;margin:10px 0}
.sh-t{flex:1;border:2px solid var(--line);border-radius:12px;background:var(--card);padding:12px 0;font:inherit;font-weight:900;cursor:pointer;color:var(--ink)}
.sh-t.on{background:var(--mint);border-color:var(--mint);color:#fff}
.sh-t.on::before{content:"✓ "}
.starters{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}.starters .chip{font-family:var(--f-en);font-size:13.5px}
.wc{font-size:13px;font-weight:800;color:var(--ink2);margin:4px 0 0;min-height:1.2em}
.st-nav{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:16px}
.st-nav .btn.lg{flex:0 1 auto}
.rv-todo{padding-left:1.3em;margin:8px 0 12px;font-size:15px}.rv-todo li{margin:4px 0}
.rv-list{list-style:none;padding:0;margin:0 0 12px;display:grid;gap:8px}
.rv-list li{background:var(--paper2);border-radius:12px;padding:10px 14px;font-size:14px}
.rv-ex{margin-top:4px}.rv-ex span{font-family:var(--f-en);font-weight:700}
.rv-w{margin:6px 0 0;font-family:var(--f-en);font-size:15px}
.rv-then{background:var(--sun-s);border-radius:12px;padding:10px 14px;margin:10px 0}.rv-then p{margin:4px 0 0;font-family:var(--f-en)}

/* このサイトでできること */
.h6-what{margin:8px auto 0;font-size:13.5px;color:#D8D2C6;max-width:40em}
.h6-what b{color:#FFD23F}.h6-what a{color:#fff;font-weight:800;white-space:nowrap}
.can{padding-bottom:6px}
.can-grid{display:grid;gap:12px;grid-template-columns:repeat(3,1fr)}
@media(max-width:860px){.can-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.can-grid{grid-template-columns:1fr}}
.can-c{display:grid;grid-template-columns:48px 1fr;gap:2px 12px;align-items:start;text-decoration:none;color:var(--ink);background:var(--card);border:2.5px solid var(--ink);border-radius:16px;padding:14px;box-shadow:3px 3px 0 var(--ink)}
.can-c:active{transform:translate(2px,2px);box-shadow:none}
.can-ic{grid-row:span 3;font-size:30px;width:48px;height:48px;border-radius:12px;background:var(--sun-s);display:grid;place-items:center}
.can-c b{font-size:16.5px;line-height:1.4}
.can-c span:not(.can-ic){font-size:13.5px;color:var(--ink2);line-height:1.6}
.can-c em{font-style:normal;font-weight:900;font-size:13.5px;color:#E62B1E;margin-top:2px}