/* Apple-simple v09 · Inter · one action per screen */
:root{--ink:#1d1d1f;--mut:#6e6e73;--hair:#e5e5ea;--soft:#f5f5f7;--acc:#0071e3;--r:14px}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Inter,-apple-system,BlinkMacSystemFont,'SF Pro Text',system-ui,sans-serif;color:var(--ink);background:#fff;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}u{text-underline-offset:3px}
.c{max-width:980px;margin:0 auto;padding:0 24px}.narrow{max-width:620px}
nav.c{display:flex;justify-content:space-between;align-items:center;height:56px}
.logo{display:flex;gap:8px;align-items:center;font-weight:600}.logo svg{width:22px;height:22px}
.nl{display:flex;gap:24px;font-size:.9rem;color:var(--mut)}.nl a:hover{color:var(--ink)}
h1{font-size:clamp(2.6rem,7vw,4.6rem);line-height:1.04;letter-spacing:-.035em;font-weight:700}
h2{font-size:1.6rem;letter-spacing:-.02em;font-weight:600;margin-bottom:14px}
.lead{font-size:1.25rem;color:var(--mut);margin:16px 0 36px}.muted{color:var(--mut)}.small{font-size:.85rem}
.hero{text-align:center;padding:110px 24px 90px;max-width:680px}
.dz{position:relative;display:flex;flex-direction:column;align-items:center;gap:6px;border:1.5px dashed #c7c7cc;border-radius:var(--r);padding:44px 24px;background:var(--soft);cursor:pointer;transition:.15s}
.dz:hover,.dz.over,.dz:focus-within{border-color:var(--acc);background:#eef5ff}.dz.has{border-style:solid;border-color:var(--acc)}
.dz input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}
.dz svg{width:36px;height:36px;color:var(--acc)}.dz-t{font-weight:500;font-size:1.05rem}.dz-sub{font-size:.85rem;color:var(--mut)}
.dz-msg{font-size:.9rem;color:var(--acc);min-height:1.2em}.dz-msg.bad{color:#d70015}.dz.sm{padding:28px 20px}
.em{display:block;text-align:left;font-size:.9rem;font-weight:500;margin-top:18px}.em span{color:var(--mut);font-weight:400}
.em input{display:block;width:100%;margin-top:6px;font:inherit;font-size:1.05rem;font-weight:400;padding:14px 16px;border:1px solid #d2d2d7;border-radius:12px;background:#fff}
.em input:focus{outline:none;border-color:var(--acc);box-shadow:0 0 0 4px rgba(0,113,227,.15)}
.em.big input{font-size:1.2rem;padding:16px 18px}
.how{margin-top:28px;color:var(--mut);font-size:.95rem}.dz-alt{margin-top:10px;font-size:.9rem;color:var(--mut)}
.btn{display:inline-flex;justify-content:center;align-items:center;background:var(--acc);color:#fff;border:0;border-radius:980px;padding:12px 24px;font:inherit;font-weight:500;cursor:pointer}
.btn:hover{background:#0077ed}.btn.lg{padding:15px 30px;font-size:1.05rem}.btn.wide{width:100%}.btn:disabled{opacity:.5}
.band{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:80px 24px;border-top:1px solid var(--hair)}
.band img{width:100%;border-radius:var(--r);background:var(--soft)}.band p{margin-bottom:12px}
.faq{max-width:680px;padding:80px 24px;border-top:1px solid var(--hair)}
details{border-bottom:1px solid var(--hair);padding:18px 0}summary{cursor:pointer;font-weight:500;list-style:none}summary::-webkit-details-marker{display:none}details p{color:var(--mut);margin-top:10px}
footer.c{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:28px 24px 40px;margin-top:40px;border-top:1px solid var(--hair);font-size:.8rem;color:var(--mut)}
/* /print */
.page-print main{padding:64px 24px 40px}.page-print .lead{margin-bottom:40px}
.st{display:grid;grid-template-columns:32px 1fr;gap:16px;padding:28px 0;border-top:1px solid var(--hair)}.st h2{font-size:1.25rem;margin-bottom:12px}
.st .n{width:28px;height:28px;border-radius:50%;background:var(--soft);display:grid;place-items:center;font-size:.85rem;font-weight:600;color:var(--mut)}
#stepB.live .n{background:var(--acc);color:#fff}#stepB .em:first-of-type{margin-top:0}
.hint{font-size:.85rem;color:var(--mut);margin-top:8px}
.thumbs{display:flex;flex-direction:column;gap:8px;margin-top:10px}.thumbs:empty{display:none}
.file3d{display:flex;gap:10px;align-items:center;padding:10px 14px;background:var(--soft);border-radius:10px;font-size:.85rem}
.file3d span{font-weight:600;color:var(--acc)}.file3d small{display:none}.file3d button{margin-left:auto;border:0;background:none;font-size:1.2rem;cursor:pointer;color:var(--mut)}
.thumbs figure{display:inline-block}.thumbs img{width:56px;height:56px;object-fit:cover;border-radius:8px}
.csend{padding-top:24px;border-top:1px solid var(--hair)}.msg{min-height:1.4em;margin-top:10px;font-size:.9rem;color:var(--mut)}.msg.err{color:#d70015}.fine{font-size:.85rem;color:var(--mut);text-align:center}
.done{text-align:center;padding:40px 0}.done h2{font-size:2.2rem;margin:8px 0 12px}.done p{margin-bottom:24px}
/* materials */
.mat{padding:80px 24px}.mat dl{margin:8px 0 28px}.mat dt{font-weight:600;font-size:1.15rem;padding-top:20px;border-top:1px solid var(--hair)}.mat dt span{color:var(--mut);font-weight:400;font-size:.95rem}.mat dd{color:var(--mut);padding:4px 0 20px}.mat .small{margin-bottom:28px}
@media(max-width:700px){.hero{padding:64px 20px 56px}.band{grid-template-columns:1fr;gap:24px;padding:56px 20px}.nl{gap:16px}}

.eyebrow{font-size:.85rem;font-weight:600;color:var(--mut);letter-spacing:.02em;margin-bottom:14px}
.sec{max-width:980px;padding:72px 24px;border-top:1px solid var(--hair);text-align:center}
.sec h2{margin-bottom:32px}
.steps,.kinds{list-style:none;display:grid;gap:28px;text-align:left;padding:0;margin:0}
.steps{grid-template-columns:repeat(3,1fr)}.kinds{grid-template-columns:repeat(4,1fr)}
.steps b{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--acc);color:#fff;font-size:.85rem;margin-bottom:12px}
.steps h3,.kinds h3{font-size:1.05rem;font-weight:600;margin:0 0 6px}
.steps p,.kinds p{color:var(--mut);font-size:.95rem;line-height:1.5;margin:0}
.kinds li{border:1px solid var(--hair);border-radius:14px;padding:20px}
@media(max-width:700px){.sec{padding:52px 20px}.steps,.kinds{grid-template-columns:1fr;gap:18px}.nl a[href^="#"]{display:none}}
/* /create */
.cr{padding:72px 24px 40px}.cr h1{font-size:clamp(2.2rem,6vw,3.4rem)}.cr .lead{margin-bottom:32px}
.eyebrow{font-size:.85rem;color:var(--mut);margin-bottom:12px}
.composer{margin-top:6px;border:1px solid #d2d2d7;border-radius:12px;background:#fff;padding:4px}.composer.over,.composer:focus-within{border-color:var(--acc);box-shadow:0 0 0 4px rgba(0,113,227,.15)}
.composer textarea{display:block;width:100%;border:0;resize:vertical;font:inherit;font-size:1.05rem;padding:12px 12px;outline:none;background:none}
.composer .thumbs{padding:0 12px}.thumbs figure{position:relative}.thumbs figure button{position:absolute;top:-6px;right:-6px;width:20px;height:20px;border-radius:50%;border:0;background:var(--ink);color:#fff;cursor:pointer;font-size:.8rem}
.attach{display:block;position:relative;padding:10px 12px;border-top:1px solid var(--hair);font-size:.9rem;color:var(--acc);cursor:pointer}.attach span{color:var(--mut)}.attach input{position:absolute;inset:0;opacity:0;cursor:pointer}.attach.full{display:none}
.opt{margin-top:18px;padding:12px 0;border-top:0}.opt summary{font-size:.9rem;font-weight:500}.opt summary span{color:var(--mut);font-weight:400}
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}.trio input{font:inherit;padding:12px;border:1px solid #d2d2d7;border-radius:12px;width:100%}
.cr .csend{margin-top:28px;border-top:0;padding-top:0}.cr .fine{margin-top:6px}.cr .dz-alt{text-align:center;margin-top:28px}
.opt summary::after{content:"+";float:right;color:var(--mut)}.opt[open] summary::after{content:"−"}