:root{--spf-bg:#f6f7fb;--spf-panel:#fff;--spf-panel2:#f2f3f9;--spf-border:#dcdfeb;--spf-text:#2b2e3b;--spf-muted:#6b7186;--spf-accent:#6d5ae6;--spf-accent-soft:#edeafd;--spf-ok:#2e9e5b;--spf-ok-soft:#e4f4ea;--spf-danger:#c65252}body{background:var(--spf-bg);color:var(--spf-text);font-family:Noto Sans JP,Segoe UI,Yu Gothic UI,Hiragino Sans,sans-serif;line-height:1.7;margin:0}.page-sec-nav{position:sticky;top:54px;z-index:998;background:#fff;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;box-shadow:0 3px 0 var(--spf-accent),0 8px 16px rgba(43,46,59,.08);border-bottom:1px solid var(--spf-border)}.page-sec-nav::-webkit-scrollbar{display:none}.page-sec-nav-inner{display:flex;align-items:stretch;justify-content:center;width:max-content;min-width:100%;margin:0 auto;padding:0 8px;white-space:nowrap}.page-sec-nav a{color:var(--spf-muted);font-family:Montserrat,Noto Sans JP,sans-serif;font-size:.864rem;font-weight:700;letter-spacing:.04em;padding:10px 12px;text-decoration:none;border-bottom:3px solid transparent;transition:color .2s,border-color .2s,background .2s}.page-sec-nav a:focus-visible,.page-sec-nav a:hover{color:var(--spf-accent);border-bottom-color:var(--spf-accent);background:var(--spf-accent-soft);outline:none}.page-sec-nav a.is-active{color:var(--spf-accent);border-bottom-color:var(--spf-accent);background:var(--spf-accent-soft)}@media (max-width:480px){.page-sec-nav a{padding:9px 10px;font-size:.816rem}}.spf-hero{text-align:center;padding:clamp(2rem,5vw,3.4rem) 1.25rem clamp(1.4rem,3vw,2.2rem);background:radial-gradient(ellipse 70% 90% at 50% -20%,var(--spf-accent-soft),transparent 70%),var(--spf-bg)}.spf-hero__kicker{margin:0 0 6px;font-family:Montserrat,sans-serif;font-size:.78rem;font-weight:700;letter-spacing:.18em;color:var(--spf-accent)}.spf-hero__title{margin:0;font-family:Montserrat,Noto Sans JP,sans-serif;font-size:clamp(1.9rem,5.4vw,3rem);font-weight:900;letter-spacing:.02em;color:var(--spf-text)}.spf-hero__lead{margin:8px 0 0;font-size:clamp(1.02rem,2.6vw,1.3rem);font-weight:700;text-wrap:balance}.spf-hero__sub{margin:10px auto 0;max-width:640px;font-size:.92rem;color:var(--spf-muted)}.spf-hero__badges{margin:14px 0 0;display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.spf-badge{display:inline-block;font-size:12px;padding:3px 12px;border:1px solid var(--spf-ok);color:var(--spf-ok);background:var(--spf-ok-soft);border-radius:999px;font-weight:700}.spf-app{max-width:1100px;margin:0 auto;padding:8px 20px 40px}.spf-flow{list-style:none;margin:14px 0 6px;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:26px}.spf-flow__node{position:relative;background:var(--spf-panel);border:1px solid var(--spf-border);border-radius:10px;padding:10px 12px;text-align:center;transition:border-color .2s,box-shadow .2s}.spf-flow__node[data-goto]{cursor:pointer}.spf-flow__node[data-goto]:hover{border-color:var(--spf-accent)}.spf-flow__node:not(:first-child):before{content:"→";position:absolute;left:-22px;top:50%;transform:translateY(-50%);color:var(--spf-muted);font-weight:700}.spf-flow__icon{display:block;font-size:20px}.spf-flow__title{display:block;font-size:13px;font-weight:700}.spf-flow__via{display:block;font-size:11px;color:var(--spf-muted)}.spf-flow__node.is-current{border-color:var(--spf-accent);box-shadow:0 0 0 2px var(--spf-accent-soft)}.spf-flow__node.is-current .spf-flow__title{color:var(--spf-accent)}.spf-flow__node.is-done{border-color:var(--spf-ok);background:var(--spf-ok-soft)}.spf-flow__node.is-done .spf-flow__icon:after{content:" ✓";color:var(--spf-ok);font-size:14px}@media (max-width:720px){.spf-flow{grid-template-columns:1fr;gap:18px}.spf-flow__node:not(:first-child):before{content:"↓";left:50%;top:-19px;transform:translateX(-50%)}}.spf-step{background:var(--spf-panel);border:1px solid var(--spf-border);border-radius:10px;padding:16px 18px;margin:16px 0;scroll-margin-top:110px}.spf-step .spf-step__h,.spf-step summary{font-size:1rem;margin:0 0 10px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-weight:700}details.spf-step summary{cursor:pointer}.spf-stepnum{background:var(--spf-accent);color:#fff;border-radius:6px;padding:2px 9px;white-space:nowrap}.spf-stepdone,.spf-stepnum{font-weight:700;font-size:12px}.spf-stepdone{color:var(--spf-ok);visibility:hidden}.spf-stepdone.is-on{visibility:visible}.spf-hint{font-size:13px;color:var(--spf-muted);margin:6px 0 10px}.spf-hint strong{color:var(--spf-accent)}.spf-hint code{background:var(--spf-panel2);padding:1px 5px;border-radius:4px}.spf-app input[type=text],.spf-app select,.spf-app textarea{width:100%;background:var(--spf-bg);color:var(--spf-text);border:1px solid var(--spf-border);border-radius:6px;padding:8px 10px;font-size:13px;font-family:Consolas,Yu Gothic UI,monospace}.spf-app textarea{resize:vertical}.spf-app input:focus,.spf-app select:focus,.spf-app textarea:focus{outline:2px solid var(--spf-accent-soft);border-color:var(--spf-accent)}.spf-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:10px}.spf-btn{background:var(--spf-panel2);color:var(--spf-text);border:1px solid var(--spf-border);border-radius:6px;padding:7px 14px;font-size:13px;cursor:pointer;display:inline-block;font-family:inherit}.spf-btn.is-primary,.spf-btn:hover{border-color:var(--spf-accent)}.spf-btn.is-primary{background:var(--spf-accent);color:#fff;font-weight:700}.spf-btn.is-primary:hover{background:#5b48d6}.spf-btn.is-danger{border-color:var(--spf-danger);color:var(--spf-danger);background:transparent}.spf-filelabel input{display:none}.spf-msg{font-size:13px;color:var(--spf-muted)}.spf-msg.is-ok{color:var(--spf-ok);font-weight:700}.spf-msg.is-err{color:var(--spf-danger);font-weight:700}.spf-progress{display:flex;align-items:center;gap:12px;margin:8px 0 4px}.spf-progress__track{flex:1;height:10px;background:var(--spf-panel2);border:1px solid var(--spf-border);border-radius:999px;overflow:hidden}.spf-progress__bar{height:100%;width:0;background:var(--spf-ok);border-radius:999px;transition:width .3s}.spf-progress__label{font-size:12px;color:var(--spf-muted);white-space:nowrap}.spf-chips{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0}.spf-chip{min-width:30px;padding:3px 0;font-size:12px;font-weight:700;text-align:center;background:var(--spf-panel2);color:var(--spf-text);border:1px solid var(--spf-border);border-radius:999px;cursor:pointer}.spf-chip:hover{border-color:var(--spf-accent)}.spf-chip.is-done{background:var(--spf-ok-soft);border-color:var(--spf-ok);color:var(--spf-ok)}.spf-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}@media (max-width:860px){.spf-cards{grid-template-columns:1fr}}.spf-card{background:var(--spf-panel);border:1px solid var(--spf-border);border-radius:10px;padding:14px;scroll-margin-top:110px}.spf-card.is-done{opacity:.55}.spf-card__head{display:flex;align-items:center;gap:10px;margin-bottom:10px}.spf-card__num{background:var(--spf-accent);color:#fff;font-size:12px;border-radius:6px;padding:2px 8px;white-space:nowrap}.spf-card__head input[type=text],.spf-card__num{font-weight:700}.spf-card__done{font-size:12px;color:var(--spf-muted);white-space:nowrap;display:flex;align-items:center;gap:4px}.spf-field{margin-bottom:8px}.spf-field__label{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:12px;color:var(--spf-muted);margin-bottom:3px}.spf-field__name{display:flex;align-items:center;gap:6px;font-weight:700}.spf-field__hint{font-weight:400;color:var(--spf-muted)}.spf-field__ghost{font-size:12px;color:var(--spf-muted)}.spf-order{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:50%;background:var(--spf-accent-soft);color:var(--spf-accent);font-size:11px;font-weight:700;flex:none}.spf-copy{padding:2px 12px;font-size:11px;background:var(--spf-panel2);color:var(--spf-text);border:1px solid var(--spf-border);border-radius:6px;cursor:pointer;white-space:nowrap;font-family:inherit}.spf-copy:hover{border-color:var(--spf-accent)}.spf-copy.is-copied{border-color:var(--spf-ok);color:var(--spf-ok);background:var(--spf-ok-soft)}.spf-sliders{display:flex;gap:14px;align-items:flex-start;margin-bottom:8px}.spf-sliders .spf-order{margin-top:2px}.spf-sliders .spf-field{flex:1;margin-bottom:0}.spf-sliders input[type=range]{width:100%;accent-color:var(--spf-accent)}.spf-val{color:var(--spf-accent);font-weight:700}@media (max-width:720px){.spf-copy{padding:8px 16px;font-size:12px}.spf-chip{min-width:38px;padding:8px 0}.spf-btn{padding:10px 16px}}.spf-doc{max-width:860px;margin:0 auto;padding:8px 20px;scroll-margin-top:110px}.spf-doc h2{font-size:1.25rem;margin:28px 0 10px;padding-bottom:6px;border-bottom:2px solid var(--spf-accent-soft)}.spf-doc li,.spf-doc p{font-size:.95rem}.spf-doc a{color:var(--spf-accent)}.spf-doc__steps{padding-left:1.3em}.spf-doc__steps li{margin:8px 0}.spf-doc__code{background:#23263a;color:#e7e9f4;border-radius:10px;padding:14px 16px;overflow-x:auto;font-size:12.5px;line-height:1.6}.spf-doc__code code{font-family:Consolas,Courier New,monospace}.spf-faq dt{font-weight:700;margin:14px 0 4px}.spf-faq dt:before{content:"Q. ";color:var(--spf-accent);font-weight:900}.spf-faq dd{margin:0 0 10px;padding:10px 14px;background:var(--spf-panel);border:1px solid var(--spf-border);border-radius:8px;font-size:.92rem}.spf-rel{list-style:none;margin:12px 0 30px;padding:0;display:grid;gap:10px}.spf-rel__card{display:flex;align-items:center;gap:12px;background:var(--spf-panel);border:1px solid var(--spf-border);border-radius:10px;padding:12px 16px;text-decoration:none;color:var(--spf-text);transition:border-color .2s,transform .15s}.spf-rel__card:hover{border-color:var(--spf-accent);transform:translateX(3px)}.spf-rel__ic{font-size:22px;flex:none}.spf-rel__t{display:flex;flex-direction:column;font-weight:700}.spf-rel__t small{font-weight:400;color:var(--spf-muted)}.spf-rel__arrow{margin-left:auto;color:var(--spf-accent);font-weight:700}