/* 基本リセット & 共通設定 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: #333;
    line-height: 1.6;
    background-color: #fff;
}

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.max-w-sm {
    max-width: 650px;
}

/* セクション共通 */
.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 15px;
    letter-spacing: -0.5px;
}

.section-subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 40px;
    font-size: 1.05rem;
}

.bg-light { background-color: #f8f9fa; }
.bg-primary { background-color: #004bb1; }
.bg-dark { background-color: #1a202c; }

.text-white { color: #fff !important; }
.text-center { text-align: center; }
.text-muted { color: #a0aec0 !important; }

.mt-2 { margin-top: 10px; }
.mt-4 { margin-top: 30px; }
.mt-5 { margin-top: 50px; }
.mb-5 { margin-bottom: 50px; }

/* グリッドレイアウト */
.grid {
    display: grid;
    gap: 30px;
}

@media (min-width: 768px) {
    .grid-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

/* ボタン */
.btn {
    display: inline-block;
    background-color: #ff5a00;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    border-radius: 6px;
    transition: background 0.2s;
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn:hover {
    background-color: #e04f00;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.9rem;
}

.btn-lg {
    padding: 20px 40px;
    font-size: 1.25rem;
    box-shadow: 0 4px 15px rgba(255, 90, 0, 0.3);
}

.btn-lg span {
    display: block;
    font-size: 0.85rem;
    font-weight: 400;
    opacity: 0.9;
    margin-top: 2px;
}

.btn-block {
    display: block;
    width: 100%;
}

/* ヘッダー */
.header {
    background: #fff;
    border-bottom: 1px solid #e2e8f0;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 1.2rem;
    color: #004bb1;
}

/* ファーストビュー (Hero) */
.hero {
    background: linear-gradient(135deg, #002e70 0%, #0056cd 100%);
    color: #fff;
    padding: 100px 0;
    text-align: center;
}

.hero-inner {
    max-width: 850px;
}

.hero-badge {
    display: inline-block;
    background-color: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.3);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 25px;
}

.hero h1 {
    font-size: 2.8rem;
    line-height: 1.3;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-sub {
    font-size: 1.4rem;
    font-weight: 500;
    color: #ffca00;
    margin-bottom: 25px;
}

.hero-desc {
    font-size: 1.05rem;
    color: #e2e8f0;
    line-height: 1.7;
    margin-bottom: 40px;
}

@media (max-width: 767px) {
    .hero h1 { font-size: 2rem; }
    .hero-sub { font-size: 1.15rem; }
}

/* カード共通 */
.card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

.card-title {
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: #004bb1;
    border-left: 4px solid #ff5a00;
    padding-left: 10px;
}

/* 課題用カード */
.card-problem {
    border-top: 4px solid #cbd5e0;
}

.card-problem h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.card-problem h3 span {
    margin-right: 8px;
    font-size: 1.3rem;
}

/* メリット要素 */
.benefit-item {
    padding: 20px;
}

.benefit-num {
    font-size: 2.5rem;
    font-weight: 700;
    color: rgba(255,255,255,0.3);
    line-height: 1;
    margin-bottom: 10px;
}

.benefit-item h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: #ffca00;
}

.benefit-item p {
    color: #e2e8f0;
    font-size: 0.95rem;
    text-align: left;
}

/* 強み */
.badge {
    background: #004bb1;
    color: #fff;
    padding: 4px 12px;
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: 4px;
    display: inline-block;
}

.strength-item {
    background: #fff;
    padding: 25px;
    border-radius: 6px;
    border-left: 5px solid #004bb1;
}

.strength-item h4 {
    font-size: 1.1rem;
    color: #004bb1;
    margin-bottom: 8px;
}

/* 実績リスト */
.results-box {
    background: #f8f9fa;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 40px;
}

.results-list {
    list-style: none;
    display: grid;
    gap: 15px;
}

@media (min-width: 768px) {
    .results-list { grid-template-columns: repeat(2, 1fr); }
}

.results-list li {
    position: relative;
    padding-left: 20px;
    font-size: 0.95rem;
}

.results-list li::before {
    content: "✔";
    position: absolute;
    left: 0;
    color: #004bb1;
    font-weight: bold;
}

/* 制作の流れ */
.flow-container {
    display: grid;
    gap: 20px;
}

@media (min-width: 768px) {
    .flow-container { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1024px) {
    .flow-container { grid-template-columns: repeat(6, 1fr); }
}

.flow-step {
    background: #fff;
    border: 1px solid #e2e8f0;
    padding: 20px 10px;
    border-radius: 6px;
    text-align: center;
    position: relative;
}

.flow-step span {
    display: inline-block;
    width: 30px;
    height: 30px;
    background: #004bb1;
    color: #fff;
    border-radius: 50%;
    line-height: 30px;
    font-weight: 700;
    margin-bottom: 10px;
}

.flow-step p {
    font-size: 0.85rem;
    font-weight: 500;
    line-height: 1.4;
}

/* フッター */
.footer {
    background: #111622;
    color: #718096;
    padding: 20px 0;
    font-size: 0.85rem;
    border-top: 1px solid rgba(255,255,255,0.05);
}