:root{--bg: #f6f9ff;--bg-soft: #fffef9;--surface: #ffffff;--line: #d9e4f6;--text: #203047;--sub: #50607a;--main: #2c5fbb;--accent: #42c7b4;--cta: #3f76da}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:Inter,Noto Sans JP,system-ui,-apple-system,sans-serif;color:var(--text);background:linear-gradient(180deg,#fff,#f8fbff 55%,#fff);line-height:1.75}.container{width:min(1120px,92%);margin:0 auto}.section{padding:84px 0}.section-alt{background:var(--bg)}h1{font-size:clamp(2rem,4vw,3.2rem);line-height:1.25;margin:12px 0 18px}h2{font-size:clamp(1.5rem,2.8vw,2.2rem);margin:0 0 24px;line-height:1.35}h3{margin:8px 0;font-size:1.1rem}.header{position:sticky;top:0;z-index:10;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffffdb;border-bottom:1px solid #e6edf9}.header__inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}.logo{color:#1f3e78;text-decoration:none;font-weight:800;font-size:1.2rem}.nav{display:flex;gap:16px;align-items:center}.nav a{text-decoration:none;color:var(--sub);font-weight:600}.hero{position:relative;overflow:hidden}.hero-bg{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 14% 22%,rgba(184,233,255,.45),transparent 40%),radial-gradient(circle at 90% 15%,rgba(189,244,233,.45),transparent 32%);pointer-events:none}.pill{display:inline-block;background:linear-gradient(135deg,#e8f7ff,#ecfff7);color:var(--main);border-radius:999px;padding:8px 14px;font-weight:700;font-size:.9rem;border:1px solid #d7e9fb}.hero__top{position:relative;padding-bottom:18px}.hero__top h1{margin:10px 0 0}.hero__grid{position:relative;display:grid;gap:34px;grid-template-columns:1.08fr .92fr;align-items:start}.hero-copy h1 .brand{color:#245ec7;font-weight:800}.lead{font-size:1.03rem;color:var(--sub);margin:12px 0;max-width:62ch}.badge-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.badge-row span{border-radius:999px;border:1px solid var(--line);background:#fff;padding:7px 12px;font-size:.82rem}.hero-card{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:0 18px 46px #315aa021;position:relative}.hero-card:after{content:"";position:absolute;inset:-14px -14px auto auto;width:74px;height:74px;background:radial-gradient(circle,#b6efe6,#dff9f3 70%);border-radius:50%}.hero-card__title{margin:0 0 14px;font-weight:800;color:#244a90;font-size:1.08rem}.hero-card ul{margin:0;padding:0;list-style:none;display:grid;gap:10px}.hero-card li{padding:12px 14px;border-radius:12px;background:#f2fbf8;border:1px solid #d6eee6;display:grid;grid-template-columns:32px 1fr;gap:8px;align-items:center}.check-visual{width:32px;height:32px;border-radius:50%;border:0;background:#dff8f1;display:grid;place-items:center;overflow:hidden;flex-shrink:0}.check-visual img{display:none}.check-item[data-check-state=checked]{background:#effbf6;border-color:#ccecdf}.check-visual:before{content:"✓";color:#1f8f82;font-size:.83rem;font-weight:800}.hero-card__note{margin:13px 0 0;color:#2f5ea8;font-weight:700;font-size:.92rem}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;background:var(--cta);color:#fff;text-decoration:none;font-weight:700;padding:13px 24px;margin-top:16px;cursor:pointer}.btn:hover{filter:brightness(1.06);transform:translateY(-1px)}.btn:disabled{opacity:.65;cursor:not-allowed}.btn--small{margin-top:0;padding:10px 14px;font-size:.9rem}.btn--full{width:100%;margin-top:8px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:0 10px 24px #2443780f}.issue{display:flex;gap:12px;align-items:flex-start}.dot{width:12px;height:12px;border-radius:50%;margin-top:8px;background:linear-gradient(135deg,#58d2c0,#4e84de);flex-shrink:0}.bridge{margin-top:24px;font-weight:600;color:#294775}.feature{transition:transform .2s ease,box-shadow .2s ease}.feature:hover{transform:translateY(-4px);box-shadow:0 16px 28px #2443781f}.icon{width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,#d3ebff,#cdf5ee);border:1px solid #cfe2fb}.reason .num{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#eaf1ff;color:#2d5db3;font-weight:700}.flow-lead{color:var(--sub);margin-top:-8px;margin-bottom:20px}.timeline{display:grid;gap:14px}.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}.step__num{display:inline-block;background:#eaf6ff;color:#2855a2;border-radius:999px;padding:4px 10px;font-size:.8rem;font-weight:700;margin:0 0 8px}.faq{display:grid;gap:12px}details summary{cursor:pointer;font-weight:700}details p{margin:10px 0 0;color:var(--sub)}.notice{margin-top:20px;padding:18px;border-radius:14px;background:var(--bg-soft);border:1px solid #f0e5be}.trust{display:flex;flex-wrap:wrap;gap:8px;padding:0;list-style:none;margin:14px 0 16px}.trust li{background:#eef6ff;color:#2c4d81;border-radius:999px;padding:6px 12px;font-size:.85rem;border:1px solid #d3e3fb}.form-card{display:grid;gap:14px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 16px 36px #2b539614}label,legend{font-weight:700;color:#2f4668}.meta{font-size:.8rem;color:#7587a3;margin-left:8px;font-weight:500}.req{font-size:.78rem;color:#2d67cc;margin-left:6px}input,textarea,select{width:100%;margin-top:6px;border:1px solid #cfdcf1;border-radius:12px;padding:13px;font:inherit;background:#fcfdff}textarea{min-height:140px;resize:vertical}fieldset{border:1px solid #d9e5f8;border-radius:12px;padding:12px;display:grid;gap:10px}fieldset label{font-weight:500;display:flex;gap:8px;align-items:center}input[type=radio]{width:auto;margin:0}.form-message{margin:2px 0 0;font-weight:600;color:#264778}.final{text-align:center;background:linear-gradient(135deg,#ecf3ff,#f0fffb);border:1px solid #dce9fb;border-radius:22px;padding:42px 20px}@media (max-width: 980px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.hero__grid{grid-template-columns:1fr}.lead{max-width:100%}}@media (max-width: 760px){.section{padding:64px 0}.nav a:not(.btn){display:none}.cards{grid-template-columns:1fr}.header__inner{gap:10px}}