/* 小さなスキル教室 / Small Skills Studio */
:root{--bg:#f6f1e8;--card:#fffdf8;--ink:#2a2620;--sub:#6a6257;--line:#e6ddcd;--work:#3f6f8f;--make:#c26a4a;--calm:#6f8a5a;--r:22px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:70px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Segoe UI",Roboto,sans-serif;line-height:1.75}
a{color:inherit}button,input,textarea{font:inherit;color:inherit}img{display:block;max-width:100%;height:auto}
:focus-visible{outline:3px solid #e0a84e;outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:8px 14px;border-radius:8px;z-index:30}.skip:focus{left:12px}
.wrap{width:min(1140px,92vw);margin:0 auto}
.top{position:sticky;top:0;z-index:20;background:rgba(246,241,232,.86);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,0,0,.05)}
.top .wrap{display:flex;align-items:center;gap:16px;height:60px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;text-decoration:none;white-space:nowrap}
.mark{width:24px;height:24px;border-radius:50% 50% 50% 8px;background:conic-gradient(var(--work) 0 33%,var(--make) 0 66%,var(--calm) 0);display:inline-block}
.top nav{display:flex;gap:2px;overflow-x:auto;margin-left:auto;scrollbar-width:none}.top nav::-webkit-scrollbar{display:none}
.top nav a{white-space:nowrap;text-decoration:none;font-size:13px;color:var(--sub);padding:6px 10px;border-radius:99px}.top nav a:hover{background:#fff;color:var(--ink)}
.langsw{flex:none;text-decoration:none;font-size:13px;font-weight:700;border:1.5px solid var(--ink);border-radius:99px;padding:5px 14px}.langsw:hover{background:var(--ink);color:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;background:var(--c,#3f6f8f);color:#fff;font-weight:700;padding:12px 22px;border-radius:999px;cursor:pointer;text-decoration:none;transition:transform .2s}
.btn:hover{transform:translateY(-2px)}.btn.ghost{background:#fff;color:var(--c,#3f6f8f);box-shadow:inset 0 0 0 1.5px var(--c,#3f6f8f)}.btn.sm{padding:7px 16px;font-size:13px}
.btn.off{background:#d9d2c5;color:#5f584e;cursor:default;transform:none}
.hero{padding:48px 0 30px}
.hero-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:center}
.eyebrow{display:inline-block;background:#fff;border:1px solid var(--line);border-radius:99px;padding:4px 14px;font-size:13px;font-weight:700;color:var(--sub);margin:0 0 14px}
h1{font-size:clamp(32px,5vw,54px);line-height:1.18;margin:0 0 16px;letter-spacing:-.01em}h1 em{font-style:normal;color:var(--make)}
.lead{font-size:17px;color:#4d463c;margin:0 0 22px;max-width:32em}
.stats{list-style:none;padding:0;margin:0;display:flex;gap:10px;flex-wrap:wrap}.stats li{background:#fff;border:1px solid var(--line);border-radius:16px;padding:8px 16px;display:flex;gap:6px;align-items:baseline}
.stats b{font-size:24px}.stats span{font-size:13px;color:var(--sub);font-weight:600}
.hero-art{margin:0;border-radius:28px;overflow:hidden;box-shadow:0 30px 60px -32px rgba(60,40,20,.45)}
.overview{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:10px;margin-top:34px}
.ov{display:flex;flex-direction:column;gap:6px;text-decoration:none;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:8px 8px 12px;transition:transform .25s,border-color .25s}
.ov:hover{transform:translateY(-3px);border-color:var(--c)}.ov img{border-radius:10px;aspect-ratio:16/10;object-fit:cover}
.ov-g{font-size:11px;font-weight:800;color:var(--c)}.ov b{font-size:12.5px;line-height:1.45}
.course{padding:72px 0}.course:nth-of-type(even){background:rgba(255,255,255,.55)}
.c-head{display:flex;gap:16px;align-items:flex-start;margin-bottom:24px}.c-no{font-size:44px;font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:1.5px var(--c);min-width:58px}
.c-group{margin:0;font-size:12px;font-weight:800;letter-spacing:.08em;color:var(--c)}.c-head h2{margin:2px 0 0;font-size:clamp(22px,3vw,30px);line-height:1.35}
.c-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:26px;align-items:start}
.c-art{margin:0;border-radius:var(--r);overflow:hidden;box-shadow:0 22px 44px -32px rgba(60,40,20,.45)}
.tool{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:0 16px 40px -34px rgba(60,40,20,.4)}
.tool h4{margin:0 0 4px;font-size:17px}.tp{margin:0 0 14px;color:var(--sub);font-size:14px}
.c-info{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;margin-top:22px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px 22px}
.c-title{margin:0;font-weight:800;font-size:17px}.c-sub{margin:4px 0 12px;font-size:13.5px;color:var(--sub)}
.c-learn{margin:0 0 6px;font-size:12px;font-weight:800;color:var(--c);letter-spacing:.04em}
.goals{margin:0 0 16px;padding-left:1.2em;font-size:14px}.goals li{margin:3px 0}
.c-cta{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.cp{font-size:13px;color:var(--sub)}.cp b{color:var(--c)}
.vids{list-style:none;padding:0;margin:0 0 8px;display:grid;gap:8px}
.vid{display:grid;grid-template-columns:110px 1fr;gap:4px 10px;align-items:center}
.vthumb{position:relative;aspect-ratio:16/9;border:0;border-radius:10px;cursor:pointer;color:#fff;background:linear-gradient(135deg,var(--c),color-mix(in srgb,var(--c) 60%,#000))}
.vthumb:disabled{background:#d9d2c5;cursor:default}.vno{position:absolute;left:6px;top:4px;font-size:11px;font-weight:800;background:rgba(0,0,0,.25);padding:0 7px;border-radius:99px}
.vplay{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:rgba(255,255,255,.95);color:var(--c);font-size:11px}
.vsoon{display:inline-block;font-size:11px;font-weight:700;color:#5f584e;background:rgba(255,255,255,.9);padding:2px 9px;border-radius:99px}
.vt{font-size:13.5px;font-weight:600;line-height:1.45}.vframe{grid-column:1/-1}.vframe iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:10px}
.vid.playing .vthumb{display:none}.vid.playing{grid-template-columns:1fr}
.note{font-size:12px;color:var(--sub);margin:4px 0 0}
.tip{font-size:13px;color:var(--sub);margin:10px 0 0}.fb{min-height:24px;font-weight:700;margin:10px 0}.fb.ok{color:var(--calm)}.fb.ng{color:var(--make)}
.chips{display:flex;gap:6px;flex-wrap:wrap}.chip{border:1.5px solid var(--line);background:#fff;border-radius:99px;padding:5px 13px;font-weight:700;font-size:13.5px;cursor:pointer}.chip.on{background:var(--c);border-color:var(--c);color:#fff}
.big{font-size:22px;font-weight:800;color:var(--c);margin:10px 0 4px}
/* 04 */
.wpool{display:grid;gap:8px}.wcard{text-align:left;border:1.5px dashed var(--line);background:#fff;border-radius:12px;padding:10px 12px;cursor:pointer;font-size:14px}.wcard:disabled{opacity:.35;cursor:default}
.wslots{margin:12px 0 0;padding-left:1.4em;display:grid;gap:6px}.wslot{background:color-mix(in srgb,var(--c) 10%,#fff);border-radius:10px;padding:8px 12px;font-size:14px}
/* 01 */
.one{display:grid;grid-template-columns:1fr 1fr;gap:14px}.fields{display:grid;gap:8px}.f{display:flex;flex-direction:column;gap:2px;font-size:12px;font-weight:700;color:var(--sub)}
.f input{border:1.5px solid var(--line);border-radius:10px;padding:7px 10px;font-size:13.5px;background:#fff;color:var(--ink);font-weight:400}
.sheet{background:#fff;border:1px solid var(--line);border-radius:6px;padding:14px;box-shadow:0 10px 24px -18px rgba(0,0,0,.3);aspect-ratio:1/1.3;display:flex;flex-direction:column;gap:8px}
.sh-t{margin:0 0 4px;font-weight:800;font-size:13px;border-bottom:2px solid var(--c);padding-bottom:4px}.sh-row{display:grid;gap:1px;font-size:12px}.sh-row b{color:var(--c);font-size:11px}
/* 02 */
.nums{display:flex;gap:6px;flex-wrap:wrap}.nums input{width:64px;border:1.5px solid var(--line);border-radius:10px;padding:6px 8px;text-align:right;background:#fff}
.stat2{display:flex;gap:20px;margin:10px 0 0}.stat2 p{margin:0}.stat2 b{font-size:22px;color:var(--c)}
#dots{width:100%;height:auto;margin:6px 0 0}#dots .axis{stroke:#d9d2c5;stroke-width:2}#dots .dot{fill:var(--c);opacity:.75}#dots .mean{stroke:var(--make);stroke-width:3}#dots .med{stroke:var(--calm);stroke-width:3;stroke-dasharray:5 4}
.pct{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;margin-top:12px;padding-top:12px;border-top:1px dashed var(--line);font-size:13px}.pct-h{flex-basis:100%;margin:0;font-weight:700}
.pct input{width:80px;border:1.5px solid var(--line);border-radius:10px;padding:5px 8px;background:#fff}.pct b{font-size:20px;color:var(--c)}
/* 03 */
.tl{display:flex;gap:4px;margin-top:12px;height:64px}.seg{display:flex;flex-direction:column;justify-content:center;padding:0 10px;border-radius:10px;color:#fff;font-size:12px;min-width:60px;transition:flex-grow .4s}
.seg b{font-size:13px}.seg.h{background:var(--make)}.seg.b{background:color-mix(in srgb,var(--make) 55%,#8a7a68)}.seg.e{background:#8a6a5a}
/* 05 */
textarea{width:100%;border:1.5px solid var(--line);border-radius:12px;padding:10px;background:#fff;font-size:14px;resize:vertical}.checks{display:grid;gap:4px;margin-top:6px}.ck{font-size:13.5px;display:flex;gap:8px;align-items:center}
/* 06 */
.row2{display:flex;align-items:center;gap:10px;margin:6px 0}.row2>span{font-size:12px;font-weight:700;color:var(--sub);min-width:58px}
.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;margin-top:12px}.cal i{display:block;aspect-ratio:1;border-radius:6px;background:#efe8db;position:relative;overflow:hidden}
.cal i.on::after{content:"";position:absolute;left:0;right:0;bottom:0;height:var(--h);background:var(--c);opacity:.85;transition:height .4s}
/* 07 */
.breath{display:grid;place-items:center;height:210px}.circle{width:90px;height:90px;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--c) 35%,#fff),var(--c));display:grid;place-items:center;transition:width 4s ease-in-out,height 4s ease-in-out;color:#fff;font-weight:800}
.circle.in,.circle.hold{width:190px;height:190px}.circle.out{width:90px;height:90px}
footer{background:#2a2620;color:#d8cfc0;padding:40px 0;font-size:13px}footer .f-brand{color:#fff;font-weight:800;display:flex;gap:10px;align-items:center;font-size:15px}footer a{color:#f0d9a8}
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s,transform .6s}.js .reveal.in{opacity:1;transform:none}
@media (max-width:1000px){.overview{grid-template-columns:repeat(4,minmax(0,1fr))}.c-grid,.c-info,.hero-grid{grid-template-columns:1fr}}
@media (max-width:640px){.overview{grid-template-columns:repeat(2,minmax(0,1fr))}.top nav{display:none}.langsw{margin-left:auto}.one{grid-template-columns:1fr}.course{padding:52px 0}.c-no{font-size:34px;min-width:44px}.vid{grid-template-columns:96px 1fr}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}html{scroll-behavior:auto}}