:root{--ink:#172033;--muted:#5d6878;--line:#d8e0e8;--soft:#f1f5f8;--green:#079965;--green-dark:#057349;--green-soft:#e8f8f1;--blue:#2868d7;--paper:#fff;--bg:#f7f9fb;--shadow:0 16px 36px rgba(23,32,51,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body.smv-page{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Yu Gothic",Meiryo,sans-serif;letter-spacing:0;line-height:1.62}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}
.smv-header{min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 clamp(16px,4vw,42px);border-bottom:1px solid var(--line);background:rgba(255,255,255,.98);position:sticky;top:0;z-index:20}.smv-brand{display:inline-flex;align-items:center;gap:12px;min-width:0;font-size:clamp(18px,2vw,24px);font-weight:950}.smv-mark{width:40px;height:40px;border-radius:50%;background:var(--green-soft);position:relative;border:2px solid #bdebd6}.smv-mark:before{content:"";position:absolute;left:16px;top:8px;width:8px;height:18px;border-radius:8px;background:var(--green)}.smv-mark:after{content:"";position:absolute;left:11px;top:26px;width:18px;height:6px;border:3px solid var(--green);border-top:0;border-radius:0 0 12px 12px}.smv-header nav{display:flex;gap:8px}.smv-header nav a{min-height:38px;display:inline-flex;align-items:center;padding:0 14px;border:1px solid var(--line);border-radius:999px;background:#fff;color:#2c394a;font-weight:900}
main{max-width:1280px;margin:0 auto;padding:clamp(18px,3vw,34px) clamp(12px,3vw,30px) 0}.smv-hero{display:grid;gap:18px}.smv-title{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.72fr);gap:22px;align-items:end}.smv-kicker{width:fit-content;margin:0 0 8px;padding:6px 12px;border:1px solid #bfead7;border-radius:999px;background:var(--green-soft);color:var(--green-dark);font-size:15px;font-weight:950}.smv-title h1{max-width:800px;margin:0;font-size:clamp(38px,5vw,60px);line-height:1.08;font-weight:950}.smv-lead{max-width:820px;margin:12px 0 0;color:#293649;font-size:clamp(18px,2vw,22px);font-weight:780}.smv-quick{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:14px}.smv-quick a,.smv-quick span{min-height:38px;display:inline-flex;align-items:center;padding:0 13px;border:1px solid var(--line);border-radius:999px;background:#fff;color:#2c394a;font-size:15px;font-weight:920}.smv-quick a:first-child{border-color:var(--green);background:var(--green);color:#fff}.smv-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:var(--shadow);overflow:hidden}.smv-summary div{min-height:84px;display:grid;place-items:center;border-right:1px solid var(--line);padding:10px}.smv-summary div:last-child{border-right:0}.smv-summary span{color:var(--muted);font-size:14px;font-weight:850}.smv-summary b{color:var(--green-dark);font-size:clamp(20px,2vw,28px);font-weight:950}
.smv-console{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(420px,.86fr);gap:14px}.smv-editor,.smv-voice,.smv-grid article,.smv-section,.smv-faq{border:1px solid var(--line);border-radius:8px;background:var(--paper);box-shadow:var(--shadow)}.smv-editor,.smv-voice{display:grid;gap:16px;padding:clamp(16px,2vw,24px)}.smv-step{display:flex;align-items:flex-start;gap:12px}.smv-step>span{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--green);color:#fff;font-size:22px;font-weight:950;flex:0 0 auto}.smv-step h2,.smv-grid h2,.smv-section h2,.smv-faq h2{margin:0;font-size:clamp(24px,2.5vw,32px);line-height:1.2;font-weight:950}.smv-step p{margin:4px 0 0;color:var(--muted);font-weight:760}
.smv-part-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px}.smv-part{min-height:104px;display:grid;place-items:center;gap:6px;padding:12px;border:1px solid var(--line);border-radius:8px;background:#fff;text-align:center;color:var(--ink)}.smv-part span{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--green-soft);color:var(--green-dark);font-weight:950}.smv-part b{font-size:16px}.smv-part small{color:var(--muted);font-weight:760}.smv-part.is-active{border-color:var(--green);box-shadow:inset 0 0 0 2px rgba(7,153,101,.2);background:#fbfffd}.smv-part.is-active span{background:var(--green);color:#fff}
.smv-three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.smv-two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.smv-field{display:grid;gap:8px;min-width:0;color:#243148;font-size:16px;font-weight:950}.smv-field small{margin-left:8px;color:var(--muted);font-weight:900}.smv-field input,.smv-field textarea,.smv-field select{width:100%;border:1px solid #c3ced9;border-radius:8px;background:#fff;color:var(--ink);font-size:18px;font-weight:720;outline:none}.smv-field input,.smv-field select{min-height:52px;padding:0 14px}.smv-field textarea{min-height:250px;padding:16px;line-height:1.8;resize:vertical}.smv-preview textarea{min-height:170px;background:#fbfcfd}.smv-field input:focus,.smv-field textarea:focus,.smv-field select:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(7,153,101,.16)}
.smv-chip-row{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.smv-chip{min-height:48px;border:1px solid #bcc8d3;border-radius:8px;background:#fff;color:#253246;font-size:16px;font-weight:920}.smv-chip.is-active{border-color:var(--green);background:var(--green-soft);color:var(--green-dark);box-shadow:inset 0 0 0 1px rgba(7,153,101,.25)}.smv-confirm{min-height:52px;display:flex;align-items:center;gap:10px;padding:0 12px;border:1px solid #e6c77b;border-radius:8px;background:#fff8e8;color:#47350d;font-size:16px;font-weight:950}.smv-confirm input{width:20px;height:20px;accent-color:var(--green);flex:0 0 auto}
.voice-style-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.voice-style{min-height:112px;display:grid;gap:5px;place-items:center;padding:12px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);text-align:center}.voice-style span{display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:var(--green-soft);color:var(--green-dark);font-size:19px;font-weight:950}.voice-style b{font-size:18px;line-height:1.2}.voice-style small{color:var(--muted);font-size:13px;font-weight:760}.voice-style.is-active{border-color:var(--green);box-shadow:inset 0 0 0 2px rgba(7,153,101,.22);background:#fbfffd}.voice-style.is-active span{background:var(--green);color:#fff}.smv-speed{display:grid;grid-template-columns:auto minmax(0,1fr);gap:12px;align-items:center}.smv-speed b{font-size:18px}.speed-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));overflow:hidden;border:1px solid #c3ced9;border-radius:8px;background:#fff}.speed-row button{min-height:52px;border:0;border-right:1px solid #c3ced9;background:#fff;color:#263346;font-size:17px;font-weight:920}.speed-row button:last-child{border-right:0}.speed-row button.is-active{background:var(--green);color:#fff}.smv-hp{position:fixed;left:0;bottom:0;width:1px;height:1px;opacity:0;pointer-events:none}
.smv-primary{min-height:76px;display:flex;align-items:center;justify-content:center;gap:14px;border:0;border-radius:8px;background:var(--green);color:#fff;font-size:25px;font-weight:950;box-shadow:0 14px 28px rgba(7,153,101,.25)}.smv-primary:hover{background:var(--green-dark)}.smv-primary i{display:inline-flex;width:34px;height:28px;background:linear-gradient(90deg,transparent 0 3px,#fff 3px 7px,transparent 7px 10px,#fff 10px 15px,transparent 15px 18px,#fff 18px 23px,transparent 23px 26px,#fff 26px 30px,transparent 30px 34px)}.smv-player{display:grid;grid-template-columns:minmax(140px,.3fr) minmax(220px,1fr) minmax(150px,auto);gap:12px;align-items:center;padding:14px;border:1px solid var(--line);border-radius:8px;background:#fff}.smv-player-head b{display:block;color:#5b6675;font-size:14px}.smv-player-head strong{display:block;color:var(--ink);font-size:18px;font-weight:950}.smv-player audio{width:100%;min-width:180px}.smv-player a{min-height:50px;display:flex;align-items:center;justify-content:center;padding:0 16px;border:1px solid var(--blue);border-radius:8px;color:var(--blue);font-weight:950;white-space:nowrap}.smv-player a[aria-disabled=true]{border-color:var(--line);color:#95a1ac;pointer-events:none}.smv-note{padding:10px 12px;border:1px solid #cfe8dc;border-radius:8px;background:#f7fffb;color:#315845;font-size:14px;font-weight:820}
.smv-grid{display:grid;grid-template-columns:1fr .9fr;gap:16px;margin-top:24px}.smv-grid article,.smv-section,.smv-faq{padding:clamp(18px,2.4vw,26px)}.smv-grid ul{margin:14px 0 0;padding-left:1.2em;color:#344256;font-size:17px;font-weight:780}.smv-grid a{min-height:46px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--soft);font-size:17px;font-weight:920}.smv-grid a:after{content:">";color:var(--muted)}.smv-section,.smv-faq{margin-top:24px}.smv-card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:14px}.smv-card-grid article{min-height:158px;padding:16px;border:1px solid var(--line);border-radius:8px;background:#fff}.smv-card-grid b{display:block;color:var(--green-dark);font-size:21px;line-height:1.25}.smv-card-grid p{margin:10px 0 0;color:var(--muted);font-weight:760}.smv-faq{display:grid;gap:12px}.smv-faq details{border:1px solid var(--line);border-radius:8px;background:#fff;overflow:hidden}.smv-faq summary{cursor:pointer;padding:16px;font-size:18px;font-weight:950}.smv-faq p{margin:0;padding:0 16px 16px;color:var(--muted);font-weight:760}.smv-footer{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;padding:34px 16px 48px;color:var(--muted);font-size:14px;font-weight:850}
body[data-voice-state=processing] .smv-primary{opacity:.72;cursor:wait}body[data-voice-state=done] .smv-player{border-color:rgba(7,153,101,.55);box-shadow:0 12px 28px rgba(7,153,101,.12)}body[data-voice-state=error] .smv-player{border-color:rgba(210,55,55,.45)}
@media(max-width:1060px){.smv-title,.smv-console,.smv-grid{grid-template-columns:minmax(0,1fr)}.smv-summary{max-width:720px}.smv-player{grid-template-columns:minmax(0,1fr)}.smv-player audio,.smv-player a{width:100%}.smv-part-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.voice-style-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:720px){.smv-header{position:static;min-height:58px;align-items:flex-start;flex-direction:column;padding:12px;gap:10px}.smv-header nav{width:100%;overflow-x:auto;padding-bottom:2px}.smv-header nav a{flex:0 0 auto}main{padding:16px 10px 0}.smv-title{gap:12px}.smv-title h1{font-size:32px}.smv-lead{font-size:16px;margin-top:8px}.smv-quick{gap:7px;margin-top:10px}.smv-quick a,.smv-quick span{min-height:34px;font-size:13px;padding:0 10px}.smv-summary{grid-template-columns:repeat(3,minmax(0,1fr));box-shadow:none}.smv-summary div{min-height:58px;padding:6px;border-right:1px solid var(--line);border-bottom:0}.smv-summary span{font-size:11px}.smv-summary b{font-size:15px}.smv-editor,.smv-voice{padding:14px}.smv-step>span{width:36px;height:36px;font-size:19px}.smv-step h2{font-size:25px}.smv-part-grid,.smv-three,.smv-two,.smv-chip-row,.voice-style-grid,.smv-speed,.smv-card-grid{grid-template-columns:minmax(0,1fr)}.smv-part{min-height:80px;grid-template-columns:52px minmax(0,1fr);place-items:center start;text-align:left}.smv-field textarea{min-height:218px;font-size:16px}.voice-style{min-height:86px;grid-template-columns:52px minmax(0,1fr);place-items:center start;text-align:left}.voice-style span{grid-row:1/3}.speed-row{grid-template-columns:minmax(0,1fr)}.speed-row button{border-right:0;border-bottom:1px solid #c3ced9}.speed-row button:last-child{border-bottom:0}.smv-primary{min-height:70px;font-size:22px}}