/* style.css - Top page */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    font-family:"Noto Sans JP",sans-serif;
    background:#f5f7fa;
    color:#333;
    line-height:1.8;
}

a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:auto;padding:0 20px}

h1, h2, h3 {
    font-family: "Montserrat", "Noto Sans JP", sans-serif;
    letter-spacing: 0.5px;
}



/* Header */
header{
position:sticky;top:0;z-index:1000;
background:#fff;
box-shadow:0 3px 20px rgba(0,0,0,.08)
}
header .container{
display:flex;
justify-content:space-between;
align-items:center;
height:82px
}
.logo img{height:58px}
nav ul{display:flex;gap:34px;list-style:none}
nav a{
font-weight:700;
color:#16324f;
position:relative;
padding:6px 0;
transition:.3s
}
nav a:after{
content:"";
position:absolute;
left:0;bottom:-4px;
width:0;height:2px;
background:#198754;
transition:.3s
}
nav a:hover{color:#198754}
nav a:hover:after{width:100%}

/* Hero */
.hero{
    position:relative;
    min-height:700px;
    display:flex;
    align-items:center;
    justify-content:center;
    text-align:center;

    /* 高級感のある深いネイビー × ゴールド系グラデ */
    background:linear-gradient(135deg, #0d1b2a, #1b263b, #415a77);

    /* ほんのり光を感じるゴールドの粒感を追加（画像なしでも高級感） */
    background-blend-mode:overlay;
    overflow:hidden;
}

.hero-overlay{
    position:absolute;
    inset:0;

    /* 黒ではなく “白の薄膜” にすることで高級感が出る */
    background:rgba(255,255,255,0.18);
}

.hero-content{
position:relative;
z-index:2;
max-width:900px;
padding:20px;
color:#fff
}
.sub-title{
letter-spacing:4px;
color:#9ce7c3;
font-size:14px;
margin-bottom:18px
}
.hero h1{
font-size:56px;
font-weight:800;
margin-bottom:28px
}
.hero-text{
font-size:18px;
opacity:.95;
margin-bottom:35px
}
.hero-button{
display:flex;
justify-content:center;
flex-wrap:wrap;
gap:16px
}
.btn{
display:inline-block;
padding:15px 34px;
border-radius:999px;
font-weight:700;
transition:.3s;
background:#198754;
color:#fff;
box-shadow:0 10px 25px rgba(0,0,0,.15)
}
.btn:hover{transform:translateY(-3px)}
.amazon{background:#ff9900}
.rakuten{background:#bf0000}
.yahoo{background:#d60029}

/* Common */
section{padding:90px 0}
.title{text-align:center;margin-bottom:55px}
.title span{
color:#198754;
font-size:13px;
letter-spacing:3px;
font-weight:700
}
.title h2{
font-size:38px;
margin-top:10px;
color:#16324f
}
.title p{max-width:700px;margin:15px auto 0;color:#666}

/* About */
.about-grid{
display:grid;
grid-template-columns:1.1fr .9fr;
gap:60px;
align-items:center
}
.about-text h3{font-size:30px;color:#16324f;margin-bottom:20px}
.about-text p{margin-bottom:18px}
.about-list{
display:grid;
grid-template-columns:repeat(2,1fr);
gap:15px;
margin-top:25px
}
.about-list div{
background:#fff;
padding:14px 18px;
border-radius:10px;
box-shadow:0 8px 20px rgba(0,0,0,.06)
}
.about-image img{
border-radius:18px;
box-shadow:0 20px 40px rgba(0,0,0,.15)
}

/* Strength */
.strength{background:#fff}
.strength-grid{
display:grid;
grid-template-columns:repeat(4,1fr);
gap:24px
}
.strength-card{
background:#f8fbfd;
padding:35px 25px;
border-radius:18px;
text-align:center;
transition:.3s;
box-shadow:0 10px 25px rgba(0,0,0,.05)
}
.strength-card:hover{transform:translateY(-8px)}
.icon{font-size:42px;margin-bottom:18px}

/* Business */
.business-box{
background:linear-gradient(135deg,#16324f,#198754);
border-radius:22px;
padding:55px;
display:grid;
grid-template-columns:1fr 1fr;
gap:40px;
color:#fff
}
.business-right ul{padding-left:18px;margin-bottom:25px}
.business-right li{margin:10px 0}

/* Category */
.category-grid{
display:grid;
grid-template-columns:repeat(3,1fr);
gap:24px
}
.category-card{
background:#fff;
padding:35px;
border-radius:18px;
box-shadow:0 10px 25px rgba(0,0,0,.06);
transition:.3s
}
.category-card:hover{
transform:translateY(-6px);
background:#16324f;
color:#fff
}

/* Maker */
.maker{background:#fff}
.maker-grid{
display:grid;
grid-template-columns:repeat(4,1fr);
gap:18px
}
.maker-grid div{
background:#f6f8fb;
padding:24px;
text-align:center;
border-radius:12px;
font-weight:700
}

/* FAQ */
.faq-box{max-width:900px;margin:auto}
.faq-item{
background:#fff;
padding:24px;
margin-bottom:18px;
border-radius:14px;
box-shadow:0 8px 20px rgba(0,0,0,.06)
}
.faq-item h3{color:#16324f;margin-bottom:10px}

/* Contact */
.contact-area{
background:linear-gradient(135deg,#16324f,#198754);
text-align:center;
color:#fff
}
.contact-area h2{font-size:38px;margin-bottom:15px}
.contact-area p{margin-bottom:30px}

/* Footer */
footer{
background:#12263d;
color:#fff;
padding:70px 0 25px
}
.footer-grid{
display:grid;
grid-template-columns:2fr 1fr 1fr;
gap:40px
}
footer ul{list-style:none}
footer li{margin:10px 0}
footer a:hover{color:#7fe1af}
.copyright{
text-align:center;
margin-top:50px;
padding-top:20px;
border-top:1px solid rgba(255,255,255,.15)
}

/* Responsive */
@media(max-width:900px){
nav ul{gap:18px;font-size:14px}
.hero h1{font-size:40px}
.about-grid,.business-box{grid-template-columns:1fr}
.strength-grid,.category-grid,.maker-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
header .container{flex-direction:column;height:auto;padding:15px}
nav ul{flex-wrap:wrap;justify-content:center;padding-bottom:10px}
.hero{min-height:560px}
.hero h1{font-size:30px}
.hero-text{font-size:16px}
.strength-grid,.category-grid,.maker-grid{grid-template-columns:1fr}
.about-list{grid-template-columns:1fr}
.title h2{font-size:30px}
.business-box{padding:30px}
}
.modern-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: #fff;
    font-size: 15px;
    line-height: 1.7;
}

.modern-table th {
    width: 30%;
    background: #f2f5f9;
    padding: 14px 18px;
    font-weight: 600;
    color: #333;
    border-bottom: 1px solid #e3e6ea;
}

.modern-table td {
    padding: 14px 18px;
    border-bottom: 1px solid #e3e6ea;
    color: #444;
}

.modern-table tr:last-child th,
.modern-table tr:last-child td {
    border-bottom: none;
}

@media (max-width: 768px) {
    .modern-table th,
    .modern-table td {
        display: block;
        width: 100%;
    }
    .modern-table th {
        background: #eef2f6;
        border-bottom: none;
        margin-top: 12px;
        padding: 10px 14px;
    }
    .modern-table td {
        padding: 10px 14px 18px;
    }
}