/* =====================================
   Vitamin Factory
   style.css
===================================== */

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

html{
    scroll-behavior:smooth;
}

body{
    font-family:"Noto Sans JP",sans-serif;
    color:#23313d;
    background:#ffffff;
    line-height:1.8;
}

img{
    max-width:100%;
    display:block;
}

a{
    text-decoration:none;
    transition:.3s;
}

ul{
    list-style:none;
}

.container{
    width:90%;
    max-width:1200px;
    margin:auto;
}

/* ==========================
   Header
========================== */

header{
    position:fixed;
    top:0;
    left:0;
    width:100%;
    background:rgba(255,255,255,.95);
    backdrop-filter:blur(12px);
    z-index:999;
    border-bottom:1px solid #eee;
}

header .container{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:18px 0;
}

.logo{
    font-size:30px;
    font-weight:800;
    color:#0f5d48;
}

nav ul{
    display:flex;
    gap:35px;
    align-items:center;
}

nav a{
    color:#22313f;
    font-weight:600;
}

nav a:hover{
    color:#0f8b6b;
}

.contact-btn{
    background:#0f8b6b;
    color:#fff;
    padding:12px 24px;
    border-radius:50px;
}

.contact-btn:hover{
    background:#0b6b52;
}

/* ==========================
   Hero
========================== */

.hero{
    height:100vh;
    background:linear-gradient(135deg,#0c2d48,#0f8b6b);
    display:flex;
    justify-content:center;
    align-items:center;
    text-align:center;
    color:#fff;
    position:relative;
    overflow:hidden;
}

.hero-overlay{
    position:absolute;
    inset:0;
    background:rgba(0,0,0,.25);
}

.hero-content{
    position:relative;
    z-index:2;
    width:90%;
    max-width:900px;
}

.hero-sub{
    letter-spacing:6px;
    text-transform:uppercase;
    font-size:18px;
    margin-bottom:20px;
}

.hero h1{
    font-size:64px;
    line-height:1.3;
    margin-bottom:25px;
    font-weight:900;
}

.hero-text{
    font-size:20px;
    margin-bottom:40px;
}

.hero-buttons{
    display:flex;
    justify-content:center;
    gap:20px;
    flex-wrap:wrap;
}

.btn-green{
    background:#18b57b;
    color:#fff;
    padding:16px 38px;
    border-radius:50px;
    font-weight:bold;
}

.btn-green:hover{
    transform:translateY(-3px);
    box-shadow:0 12px 30px rgba(0,0,0,.2);
}

.btn-white{
    background:#fff;
    color:#0f5d48;
    padding:16px 38px;
    border-radius:50px;
    font-weight:bold;
}

.btn-white:hover{
    transform:translateY(-3px);
}

/* ==========================
   Section
========================== */

section{
    padding:110px 0;
}

section h2{
    text-align:center;
    font-size:38px;
    margin-bottom:20px;
    color:#10384d;
}

.section-lead{
    text-align:center;
    max-width:760px;
    margin:0 auto 60px;
    color:#666;
}

/* ==========================
   Grid
========================== */

.about-grid,
.service-grid,
.strength-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:30px;
}

.about-card,
.service-box,
.strength-card{
    background:#fff;
    border-radius:18px;
    padding:35px;
    box-shadow:0 15px 35px rgba(0,0,0,.08);
    transition:.3s;
}

.about-card:hover,
.service-box:hover,
.strength-card:hover{
    transform:translateY(-8px);
}

.about-card h3,
.service-box h3,
.strength-card h3{
    color:#0f5d48;
    margin-bottom:15px;
}

.strength-card span{
    display:inline-block;
    width:55px;
    height:55px;
    line-height:55px;
    border-radius:50%;
    background:#18b57b;
    color:#fff;
    font-weight:bold;
    margin-bottom:20px;
    text-align:center;
}

/* ==========================
   Flow
========================== */

.flow{
    background:#f6faf9;
}

.flow-list{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
    gap:25px;
}

.flow-item{
    background:#fff;
    text-align:center;
    padding:35px 25px;
    border-radius:18px;
    box-shadow:0 10px 30px rgba(0,0,0,.08);
}

.number{
    width:60px;
    height:60px;
    border-radius:50%;
    margin:auto;
    background:#0f8b6b;
    color:#fff;
    line-height:60px;
    font-size:22px;
    font-weight:bold;
    margin-bottom:20px;
}

/* ==========================
   CTA
========================== */

.cta{
    background:#10384d;
    color:#fff;
    text-align:center;
}

.cta h2{
    color:#fff;
}

.cta p{
    margin:25px 0 40px;
    font-size:18px;
}

/* ==========================
   Footer
========================== */

footer{
    background:#082232;
    color:#ddd;
    padding:70px 0 30px;
}

.footer-grid{
    display:grid;
    grid-template-columns:2fr 1fr 1fr;
    gap:50px;
}

footer h3,
footer h4{
    color:#fff;
    margin-bottom:20px;
}

footer ul li{
    margin-bottom:12px;
}

footer a{
    color:#ddd;
}

footer a:hover{
    color:#18b57b;
}

.copyright{
    border-top:1px solid rgba(255,255,255,.1);
    margin-top:50px;
    padding-top:20px;
    text-align:center;
    font-size:14px;
}

/* ==========================
   Responsive
========================== */

@media(max-width:900px){

nav ul{
    gap:15px;
    font-size:14px;
}

.hero h1{
    font-size:42px;
}

.hero-text{
    font-size:17px;
}

.footer-grid{
    grid-template-columns:1fr;
    text-align:center;
}

}

@media(max-width:768px){

header .container{
    flex-direction:column;
    gap:15px;
}

nav ul{
    flex-wrap:wrap;
    justify-content:center;
}

.hero{
    padding:120px 0 80px;
    height:auto;
}

.hero h1{
    font-size:34px;
}

.hero-buttons{
    flex-direction:column;
}

.btn-green,
.btn-white{
    width:100%;
}

section{
    padding:70px 0;
}

section h2{
    font-size:30px;
}

}