:root{--color-primary: #1e3a8a;--color-primary-hover: #1d4ed8;--color-primary-dark: #172554;--color-accent: #10b981;--color-accent-hover: #059669;--color-danger: #dc1e32;--color-warning: #ffb91e;--color-success: #00963c;--color-info: #2864f0;--color-text-primary: #1e293b;--color-text-body: #475569;--color-text-muted: #94a3b8;--color-white: #ffffff;--color-bg-light: #f8fafc;--color-border: #e2e8f0;--font-sans: "Inter", "Noto Sans JP", "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN", "メイリオ", Meiryo, sans-serif;--font-mono: "JetBrains Mono", "Noto Sans Mono", "Source Code Pro", monospace;--space-1: 8px;--space-2: 16px;--space-3: 24px;--space-4: 32px;--space-5: 48px;--space-6: 64px;--space-7: 96px;--bp-sm: 640px;--bp-md: 768px;--bp-lg: 1024px;--bp-xl: 1280px;--shadow-1: 0 1px 3px rgba(0, 0, 0, .08);--shadow-2: 0 4px 12px rgba(0, 0, 0, .12);--shadow-3: 0 8px 24px rgba(0, 0, 0, .16)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);color:var(--color-text-body);background-color:var(--color-white);line-height:1.8;letter-spacing:.04em;word-break:break-all;overflow-wrap:break-word;line-break:strict;font-feature-settings:"palt" 1,"kern" 1;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{color:var(--color-text-primary);line-height:1.5;letter-spacing:.02em;font-weight:700}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}a{color:var(--color-primary);text-decoration:none;transition:color .2s ease}a:hover{color:var(--color-primary-hover)}img{max-width:100%;height:auto;display:block}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--space-3)}@media (max-width: 768px){.container{padding:0 var(--space-2)}}.section{padding:var(--space-6) 0}@media (max-width: 768px){.section{padding:var(--space-5) 0}}.section-dark{background-color:var(--color-primary-dark);color:var(--color-white)}.section-dark h2{color:var(--color-white)}.section-light{background-color:var(--color-bg-light)}.section-title-area{text-align:center;margin-bottom:var(--space-5);max-width:800px;margin-left:auto;margin-right:auto}.section-title{font-size:2rem;margin-bottom:var(--space-2);position:relative;display:inline-block}@media (max-width: 768px){.section-title{font-size:1.625rem}}.section-subtitle{font-size:1rem;color:var(--color-text-body)}.section-dark .section-subtitle{color:var(--color-text-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;border-radius:6px;font-weight:600;transition:all .2s ease;cursor:pointer;border:none;font-size:1rem;text-align:center}.btn-primary{background-color:var(--color-primary);color:var(--color-white)}.btn-primary:hover{background-color:var(--color-primary-hover);color:var(--color-white);transform:translateY(-1px)}.btn-accent{background-color:var(--color-accent);color:var(--color-white);box-shadow:var(--shadow-1)}.btn-accent:hover{background-color:var(--color-accent-hover);color:var(--color-white);transform:translateY(-2px);box-shadow:var(--shadow-2)}.btn-outline{background-color:transparent;color:var(--color-primary);border:2px solid var(--color-primary)}.btn-outline:hover{background-color:var(--color-primary);color:var(--color-white)}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-4)}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-3)}@media (max-width: 1024px){.grid-3{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.grid-2,.grid-3{grid-template-columns:1fr;gap:var(--space-3)}}.card{background:var(--color-white);border:1px solid var(--color-border);border-radius:8px;padding:var(--space-4);box-shadow:var(--shadow-1);transition:transform .3s ease,box-shadow .3s ease}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:var(--space-2)}.faq-item{background:var(--color-white);border:1px solid var(--color-border);border-radius:8px;overflow:hidden;box-shadow:var(--shadow-1)}.faq-summary{padding:var(--space-3);font-weight:600;font-size:1.125rem;color:var(--color-text-primary);cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;user-select:none}.faq-summary::-webkit-details-marker{display:none}.faq-summary:after{content:"+";font-size:1.5rem;color:var(--color-primary);transition:transform .2s ease}.faq-item[open] .faq-summary:after{transform:rotate(45deg)}.faq-content{padding:0 var(--space-3) var(--space-3);border-top:1px solid var(--color-border);color:var(--color-text-body)}.form-card{max-width:680px;margin:0 auto;background:var(--color-white);border:1px solid var(--color-border);border-radius:12px;padding:var(--space-4);box-shadow:var(--shadow-2);color:var(--color-text-primary)}.form-group{margin-bottom:var(--space-3)}.form-group label{display:block;font-weight:600;margin-bottom:8px;font-size:.875rem}.form-required{color:var(--color-danger);margin-left:var(--space-1)}.form-control{width:100%;padding:12px var(--space-2);border:1.5px solid var(--color-border);border-radius:6px;font-family:inherit;font-size:1rem;color:var(--color-text-primary);transition:border-color .2s ease,box-shadow .2s ease}.form-control:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #1e3a8a26}.checkbox-group{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-1);margin-top:8px}@media (max-width: 640px){.checkbox-group{grid-template-columns:1fr}}.checkbox-label{display:flex;align-items:center;gap:8px;font-size:.875rem;font-weight:400!important;cursor:pointer}.checkbox-label input{width:16px;height:16px;cursor:pointer}.toast{position:fixed;bottom:24px;right:24px;background-color:var(--color-success);color:#fff;padding:var(--space-2) var(--space-3);border-radius:8px;box-shadow:var(--shadow-3);z-index:1000;display:flex;align-items:center;gap:12px;opacity:0;transform:translateY(20px);transition:all .3s cubic-bezier(.16,1,.3,1);pointer-events:none}.toast.show{opacity:1;transform:translateY(0);pointer-events:auto}.toast-close{background:none;border:none;color:#fff;font-size:1.25rem;cursor:pointer}.skeleton-box{background:linear-gradient(90deg,#f1f5f9 25%,#e2e8f0 37%,#f1f5f9 63%);background-size:400% 100%;animation:skeleton-loading 1.4s ease infinite}@keyframes skeleton-loading{0%{background-position:100% 50%}to{background-position:0% 50%}}