<style>

/* ========================================
   Base & Reset
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "BIZ UDPGothic", Meiryo, sans-serif;
    color: #333;
    line-height: 1.8;
    background: #fff;
    letter-spacing: 0.03em;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
}

/* ========================================
   Layout & Common
======================================== */
.lp-container {
    width: 100%;
    overflow: hidden;
}

.section {
    padding: 90px 20px;
}

.inner {
    max-width: 1100px;
    margin: 0 auto;
}

.section-title {
    font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
    font-size: 36px;
    line-height: 1.5;
    font-weight: 600;
    margin-bottom: 24px;
    color: #1a233a;
    letter-spacing: 0.05em;
}

.section-sub {
    font-size: 14px;
    color: #777;
}

.center {
    text-align: center;
}

/* Utilities */
.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }
.mt-40 { margin-top: 40px; }
.mt-50 { margin-top: 50px; }
.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }
.mb-40 { margin-bottom: 40px; }
.mb-50 { margin-bottom: 50px; }

/* 共通ボタン */
.btn {
    display: inline-block;
    padding: 14px 35px;
    background: #fff;
    border: 1px solid #163f73;
    color: #163f73;
    border-radius: 40px;
    font-weight: bold;
    font-size: 15px;
    transition: 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.btn:hover {
    background: #163f73;
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(22, 63, 115, 0.2);
}

.pc-only { display: block; }
.sp-only { display: none; }

/* ========================================
   KV Section
======================================== */
.kv-section {
    padding-top: 30px;
    padding-bottom: 60px;
    background: linear-gradient(to bottom, #fdfefe 0%, #f4f8fb 100%);
}

.kv {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 70px;
}

.kv-text {
    flex: 1;
}

.kv-image {
    flex: 1;
    position: relative;
}

.kv-image img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.06);
}

.kv-catch {
    font-size: 22px;
    font-weight: bold;
    color: #d19f5a;
    margin-bottom: 16px;
    letter-spacing: 0.1em;
}

.kv-section .section-title {
    font-size: 48px;
    line-height: 1.4;
    margin-bottom: 24px;
}

.kv-description {
    margin-top: 24px;
    font-size: 16px;
    line-height: 2;
    color: #555;
}

/* ========================================
   Products
======================================== */
.top-products {
    padding-top: 70px;
    padding-bottom: 70px;
    background: #fff;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 40px;
}

.product-card {
    display: flex;
    gap: 30px;
    align-items: flex-start;
    background: #fff;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.04);
    transition: 0.3s ease;
}

.product-card:hover {
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
    transform: translateY(-5px);
}

.product-image {
    width: 160px;
    flex-shrink: 0;
}

.product-image img {
    width: 100%;
    border-radius: 8px;
}

.product-info {
    flex: 1;
}

.product-info h3 {
    font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
    font-size: 26px;
    margin-bottom: 15px;
    color: #1a233a;
}

.product-info p {
    font-size: 15px;
    line-height: 1.9;
    color: #555;
    margin-bottom: 20px;
}

.price {
    margin-top: 15px;
    color: #888;
    font-size: 13px;
}

.staff-point {
    margin-top: 25px;
    padding: 20px;
    background: #fdfaf5;
    border-left: 4px solid #d19f5a;
    border-radius: 4px;
}

.staff-title {
    font-size: 13px;
    font-weight: bold;
    color: #d19f5a;
    margin-bottom: 6px;
    letter-spacing: 0.05em;
}

.staff-point p {
    font-size: 14px;
    line-height: 1.7;
    margin: 0;
    color: #444;
}

/* ========================================
   Message
======================================== */
.message-box {
    max-width: 860px;
    margin: 0 auto;
    padding: 60px 50px;
    background: #fff;
    border: none;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.05);
    text-align: center;
}

.message-box h2 {
    font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
    font-size: 32px;
    margin-bottom: 30px;
    color: #1a233a;
}

.message-box p {
    font-size: 16px;
    line-height: 2.2;
    color: #555;
}

.message-box ul {
    list-style: none;
    max-width: 480px;
    margin: 35px auto;
    padding: 0;
}

.message-box li {
    position: relative;
    padding-left: 42px;
    margin-bottom: 20px;
    text-align: left;
    font-weight: 500;
    color: #444;
}

/* ========================================
   How To (Steps)
======================================== */
.step-title {
    font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
    font-size: 36px;
    text-align: center;
    margin-bottom: 60px;
    color: #1a233a;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 960px;
    margin: 0 auto;
}

.step {
    background: #fff;
    padding: 40px 20px;
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.03);
    text-align: center;
    position: relative;
}

.step-number {
    width: 46px;
    height: 46px;
    margin: -60px auto 25px;
    border-radius: 50%;
    background: #163f73;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-family: Georgia, serif;
    box-shadow: 0 4px 10px rgba(22, 63, 115, 0.3);
}

.step-icon {
    width: 120px;
    margin: 0 auto 20px;
}

.step p {
    font-size: 15px;
    line-height: 1.9;
    color: #555;
}

.note {
    max-width: 600px;
    margin: 50px auto 0;
    padding: 20px;
    background: #fff;
    border: 1px dashed #ccc;
    border-radius: 8px;
    text-align: center;
    font-size: 14px;
    color: #666;
}

/* ========================================
   Reason
======================================== */
.reason-title {
    font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #1a233a;
}

.reason-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    border: none;
}

.reason-card {
    background: #fff;
    padding: 40px 25px;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.04);
    text-align: center;
}

.reason-card img {
    width: 100px;
    margin: 0 auto 25px;
}

.reason-card h3 {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 15px;
    color: #333;
}

.reason-card p {
    font-size: 14px;
    line-height: 1.8;
    color: #666;
}

/* ========================================
   Scene
======================================== */
.scene-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.scene-card {
    text-align: center;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.scene-card img {
    width: 100%;
    transition: transform 0.5s ease;
}

.scene-card:hover img {
    transform: scale(1.05);
}

.scene-card h3 {
    margin: 25px 0 12px;
    font-size: 20px;
    font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
}

.scene-card p {
    font-size: 15px;
    line-height: 1.8;
    color: #555;
    padding: 0 20px 30px;
}

/* ========================================
   Movie
======================================== */
.video-container {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin: 0 auto;
}

.video-container iframe {
    width: 250px;
    height: 444px;
    border: none;
    border-radius: 16px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

/* ========================================
   FAQ
======================================== */
.faq {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: #fff;
    padding: 30px;
    margin-bottom: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
}

.faq-item strong {
    display: block;
    font-size: 18px;
    color: #1a233a;
    margin-bottom: 12px;
}

.faq-item p {
    color: #555;
    line-height: 1.9;
}

/* ========================================
   CTA
======================================== */
.cta-button {
    display: inline-block;
    width: 100%;
    max-width: 400px;
    padding: 20px 30px;
    background: linear-gradient(135deg, #2a5298 0%, #163f73 100%);
    color: #fff;
    font-size: 22px;
    font-weight: bold;
    border-radius: 50px;
    box-shadow: 0 10px 25px rgba(22, 63, 115, 0.3);
    transition: 0.4s ease;
    text-align: center;
}

.cta-button:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(22, 63, 115, 0.4);
    color: #fff;
}

/* ========================================
   Responsive (Tablet / Mobile)
======================================== */
@media (max-width: 1024px) {
    .reason-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Smartphone */
@media (max-width: 768px) {
    .section {
        padding: 60px 16px;
    }

    .section-title,
    .step-title,
    .reason-title {
        font-size: 26px;
    }

    /* KV */
    .kv-section {
        padding-top: 20px;
        padding-bottom: 40px;
    }

    .kv { display: block; }

    .kv-catch {
        font-size: 18px;
        margin-bottom: 12px;
    }

    .kv-section .section-title {
        font-size: 32px;
        margin-bottom: 18px;
    }

    .pc-only { display: none; }
    .sp-only {
        display: block;
        margin: 25px 0;
    }

    .kv-image img { max-width: 100%; margin: 0 auto; }

    /* ★ プロダクトエリア（スマホでも2列表示に調整） ★ */
    .top-products .product-grid,
    .cta-products .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        margin-top: 25px;
    }

    .product-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 18px 12px;
        gap: 12px;
    }

    .product-image {
        width: 100%;
        max-width: 130px;
        margin-bottom: 0;
    }

    .product-info {
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .product-info h3 {
        font-size: 18px;
        margin-bottom: 8px;
    }

    .product-info p {
        font-size: 13px;
        line-height: 1.6;
        margin-bottom: 12px;
    }

    .product-info .btn {
        width: 100%;
        max-width: 140px;
        padding: 10px 0;
        font-size: 13px;
    }

    .price {
        font-size: 12px;
        margin-top: 8px;
    }

    .staff-point {
        padding: 12px;
        margin-top: 12px;
    }

    .staff-title {
        font-size: 12px;
    }

    .staff-point p {
        font-size: 12px;
        line-height: 1.6;
    }

    /* Message */
    .message-box {
        padding: 35px 20px;
        border-radius: 16px;
    }

    .message-box h2 { font-size: 22px; }

    /* Steps */
    .steps {
        grid-template-columns: 1fr;
        gap: 50px;
        margin-top: 30px;
    }

    /* Reason & Scene & Movie */
    .reason-grid { grid-template-columns: 1fr; }
    .scene-grid { grid-template-columns: 1fr; }

    .video-container {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }

    .cta-button {
        font-size: 18px;
        padding: 16px;
    }
}

</style>