:root{color-scheme:light;--bg: #ffffff;--surface: #f7f9fb;--surface-elevated: #ffffff;--surface-2: #eef2f6;--primary: #0f7fa3;--primary-bright: #2eaed8;--primary-deep: #0b6580;--primary-tint: #e8f4f8;--talk: #d0473a;--talk-bright: #ff6b5e;--talk-deep: #a83428;--talk-tint: #fdeceb;--online: #17784a;--online-tint: #e7f4ec;--warning: #96610a;--warning-tint: #fdf3e2;--text: #10151b;--text-secondary: #55606e;--text-tertiary: #6b7686;--separator: #e2e8ee;--border-input: #c3ccd6;--r-sm: 10px;--r-md: 16px;--r-lg: 22px;--r-xl: 28px;--r-pill: 999px;--maxw: 1180px;--gutter: clamp(20px, 5vw, 48px);--header-h: 64px;--font-sans: "M PLUS Rounded 1c", system-ui, -apple-system, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", Meiryo, sans-serif;--shadow-card: 0 1px 2px rgba(16, 21, 27, .04), 0 12px 32px -20px rgba(16, 21, 27, .28);--shadow-float: 0 24px 60px -28px rgba(16, 21, 27, .35);--tap-min: 48px}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font-sans);background:var(--bg);color:var(--text);line-height:1.85;font-size:16px;letter-spacing:.01em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}img,svg,picture{max-width:100%;display:block}a{color:inherit;text-decoration:none}h1,h2,h3,h4,p,figure{margin:0}ul{margin:0;padding:0;list-style:none}button{font-family:inherit;cursor:pointer}:focus-visible{outline:3px solid var(--primary);outline-offset:2px;border-radius:4px}::selection{background:#0f7fa32e}.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}.section{position:relative;padding-block:clamp(64px,11vw,128px)}.section--tight{padding-block:clamp(48px,8vw,88px)}.section--surface{background:var(--surface);border-block:1px solid var(--separator)}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.82rem;font-weight:700;letter-spacing:.14em;color:var(--primary)}.eyebrow:before{content:"";width:22px;height:2px;border-radius:2px;background:var(--primary)}h1,h2,h3,.section-title{word-break:auto-phrase;text-wrap:balance}.section-title{font-size:clamp(1.7rem,4vw,2.7rem);font-weight:800;line-height:1.35;letter-spacing:-.01em;margin-top:18px}.lead{color:var(--text-secondary);font-size:clamp(1.02rem,2vw,1.18rem);line-height:1.9;max-width:42em;margin-top:18px}.muted{color:var(--text-secondary)}.text-primary{color:var(--primary)}.text-talk{color:var(--talk)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:var(--tap-min);padding:14px 28px;border-radius:var(--r-pill);border:1px solid transparent;font-weight:700;font-size:1.02rem;line-height:1.2;transition:background .2s ease,border-color .2s ease,box-shadow .2s ease,transform .15s ease}.btn:active{transform:translateY(1px)}.btn--block{width:100%}.btn--lg{min-height:56px;font-size:1.1rem;padding-inline:34px}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 24px -14px #0f7fa3cc}.btn-primary:hover{background:var(--primary-deep)}.btn-ghost{background:var(--bg);border-color:var(--border-input);color:var(--text)}.btn-ghost:hover{border-color:var(--primary);background:var(--primary-tint);color:var(--primary)}.btn-secondary{background:var(--primary-tint);border-color:var(--primary);color:var(--primary-deep)}.btn-secondary:hover{background:var(--primary);color:#fff}.btn-danger{background:var(--talk);color:#fff}.btn-danger:hover{background:var(--talk-deep)}.btn[disabled],.btn[aria-disabled=true]{opacity:.5;cursor:not-allowed;transform:none}.chip{display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:var(--r-pill);background:var(--surface);border:1px solid var(--separator);font-size:.9rem;font-weight:600;color:var(--text-secondary);white-space:nowrap}.chip svg{width:16px;height:16px}.chip--on{color:var(--online);border-color:#17784a47;background:var(--online-tint)}.chip--warn{color:var(--warning);border-color:#96610a47;background:var(--warning-tint)}.chip--off{color:var(--talk);border-color:#d0473a47;background:var(--talk-tint)}.card{position:relative;background:var(--surface-elevated);border:1px solid var(--separator);border-radius:var(--r-lg);box-shadow:var(--shadow-card)}.card--pad{padding:clamp(22px,3vw,32px)}.card--flat{box-shadow:none;background:var(--surface)}.card-hover{transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}.card-hover:hover{transform:translateY(-3px);border-color:#0f7fa366;box-shadow:var(--shadow-float)}.field{display:block;margin-bottom:20px}.field>.label{display:block;font-weight:700;font-size:1rem;margin-bottom:8px}.field>.hint{display:block;color:var(--text-secondary);font-size:.92rem;line-height:1.7;margin-bottom:8px}.input,.select,.textarea{width:100%;min-height:var(--tap-min);padding:12px 14px;font-family:inherit;font-size:1.05rem;line-height:1.6;color:var(--text);background:var(--bg);border:1px solid var(--border-input);border-radius:var(--r-sm);transition:border-color .18s ease,box-shadow .18s ease}.textarea{min-height:120px;resize:vertical}.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #0f7fa329}.input[aria-invalid=true]{border-color:var(--talk)}.error-text{color:var(--talk);font-size:.94rem;font-weight:600;margin-top:6px}.dot{width:10px;height:10px;border-radius:50%;background:var(--text-tertiary);flex:none}.dot--on{background:var(--online)}.dot--warn{background:var(--warning)}.dot--off{background:var(--talk)}html[data-js] .reveal{opacity:0;transform:translateY(20px);transition:opacity .7s cubic-bezier(.22,1,.36,1),transform .7s cubic-bezier(.22,1,.36,1)}html[data-js] .reveal.is-in{opacity:1;transform:none}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:absolute;left:8px;top:-60px;z-index:100;padding:12px 18px;background:var(--primary);color:#fff;border-radius:var(--r-sm);font-weight:700;transition:top .2s ease}.skip-link:focus{top:8px}[id]{scroll-margin-top:calc(var(--header-h) + 16px)}@media(max-width:700px){.section{padding-block:clamp(42px,8vw,80px)}.section--tight{padding-block:clamp(32px,6vw,56px)}.section-title{margin-top:12px}.lead{margin-top:12px;font-size:1rem;line-height:1.8}}@media(prefers-reduced-motion:reduce){*{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}html[data-js] .reveal{opacity:1;transform:none}}@media print{html[data-js] .reveal{opacity:1;transform:none}}