@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700&display=swap');
:root{--bg:#f5f5f3;--surface:#fff;--text:#111;--muted:#777;--line:#ddd}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"Noto Sans JP",sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}button,input{font:inherit}
.topbar{height:72px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 32px;position:sticky;top:0;z-index:10}.brand,.brand-mark{font-size:22px;font-weight:700;letter-spacing:.16em}.topbar-right{display:flex;gap:22px;align-items:center;font-size:13px}.topbar-right a{font-size:11px;letter-spacing:.12em;color:#777}
.container{width:min(1120px,calc(100% - 40px));margin:auto}.eyebrow{font-size:11px;letter-spacing:.16em;font-weight:700;color:#777;margin:0 0 10px}.lead{color:#666;margin:0}.hero{padding:90px 0 70px}.hero.compact{padding-bottom:55px}.hero h1,.manual-hero h1{font-size:clamp(34px,5vw,64px);line-height:1.15;letter-spacing:-.04em;margin:0 0 24px}
.login-page{min-height:100vh;display:grid;place-items:center;background:#111;color:#fff}.login-shell{width:min(430px,calc(100% - 40px))}.login-shell h1{font-size:38px;line-height:1.1;margin:8px 0}.login-shell .lead{color:#999;font-size:12px;letter-spacing:.12em}.login-card{margin-top:40px;background:#fff;color:#111;padding:28px;border-radius:20px}.login-card label{display:block;margin-bottom:18px}.login-card label span{display:block;font-size:10px;letter-spacing:.14em;font-weight:700;margin-bottom:7px}.login-card input{width:100%;height:48px;border:1px solid #ddd;border-radius:8px;padding:0 13px}.btn{border:0;border-radius:8px;height:50px;width:100%;cursor:pointer;font-weight:700}.btn-dark{background:#111;color:#fff}.alert{background:#f3eeee;color:#8a3030;border-radius:8px;padding:11px 13px;font-size:13px;margin-bottom:18px}
.module-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;padding-bottom:80px}.module-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;min-height:230px;position:relative}.module-card.featured{grid-column:1/-1;display:flex;align-items:flex-end;justify-content:space-between;min-height:270px}.module-card.disabled{opacity:.5}.module-number{font-size:12px;color:#999;letter-spacing:.1em}.module-card h2{font-size:30px;margin:8px 0}.module-card p{color:#777;margin:0;max-width:600px}.arrow{font-size:30px}
.manual-hero{background:#111;color:#fff;padding:80px 0 55px}.manual-hero .lead{color:#aaa}.manual-hero .eyebrow{color:#999}.progress-wrap{margin-top:55px}.progress-meta{display:flex;justify-content:space-between;font-size:10px;letter-spacing:.14em;margin-bottom:9px;color:#aaa}.progress-meta strong{color:#fff}.progress{height:5px;background:#333;border-radius:10px;overflow:hidden}.progress span{display:block;height:100%;width:0;background:#fff;transition:width .3s ease}
.manual-section{padding:80px 0}.section-heading{display:flex;gap:24px;align-items:flex-start;margin-bottom:30px}.section-heading>span{font-size:12px;color:#999;padding-top:7px}.section-heading h2{font-size:32px;line-height:1.2;margin:0}.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.check-card{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;cursor:pointer}.check-card input,.shot-row input{position:absolute;opacity:0;pointer-events:none}.check-box{width:22px;height:22px;border:1px solid #bbb;border-radius:6px;flex:none;position:relative}.check-card input:checked+.check-box,.shot-row input:checked~.check-box{background:#111;border-color:#111}.check-card input:checked+.check-box:after,.shot-row input:checked~.check-box:after{content:"✓";position:absolute;color:#fff;font-size:14px;left:4px;top:-1px}.check-content{display:grid;gap:3px}.check-content strong{font-size:14px}.check-content small{font-size:12px;color:#777}
.ratio-banner{background:#e8e8e5}.ratio-inner{padding:55px 0;display:flex;align-items:center;justify-content:space-between;gap:30px}.ratio-inner h2{font-size:70px;line-height:1;margin:0 0 8px}.ratio-inner p{margin:0;color:#666}.ratio-box{width:150px;height:200px;border:2px solid #111;display:flex;align-items:center;justify-content:center;gap:8px;font-size:34px;font-weight:700;flex:none}.ratio-box i{font-style:normal;color:#999}
.shot-list{border-top:1px solid var(--line)}.shot-row{display:grid;grid-template-columns:55px 1fr 24px;gap:18px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line);cursor:pointer}.shot-num{font-size:12px;color:#999}.shot-main{display:grid;gap:2px}.shot-main strong{font-size:16px}.shot-main small{font-size:12px;color:#777}
.rule-card{display:flex;gap:20px;background:#fff;border-radius:18px;padding:28px;margin-bottom:12px}.rule-icon{font-size:34px}.rule-card h3{margin:0 0 7px;font-size:20px}.rule-card p{margin:0;color:#666}.rule-card .muted{margin-top:8px;font-size:12px;color:#999}.check-card.single{max-width:600px}
.platform-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.platform-grid>div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}.platform-grid strong,.platform-grid span{display:block}.platform-grid span{font-size:12px;color:#777;margin-top:6px}.note{font-size:12px;color:#777;margin-top:16px}
.completion-card{margin-top:35px;background:#111;color:#fff;border-radius:20px;padding:32px;display:flex;justify-content:space-between;align-items:center}.completion-card .eyebrow{color:#999}.completion-card h2{margin:0 0 5px;font-size:24px}.completion-card p{margin:0;color:#aaa;font-size:13px}.completion-mark{width:70px;height:70px;border:1px solid #555;border-radius:50%;display:grid;place-items:center;font-size:12px;letter-spacing:.1em}
@media(max-width:700px){.topbar{height:62px;padding:0 18px}.topbar-right span{display:none}.container{width:min(100% - 28px,1120px)}.hero{padding:60px 0 45px}.module-grid,.check-grid{grid-template-columns:1fr}.module-card.featured{grid-column:auto;min-height:230px}.manual-hero{padding:60px 0 45px}.manual-section{padding:55px 0}.section-heading h2{font-size:26px}.ratio-inner{padding:45px 0}.ratio-box{width:105px;height:140px;font-size:25px}.platform-grid{grid-template-columns:repeat(2,1fr)}.completion-card{align-items:flex-start;gap:20px}}