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

html{
    scroll-behavior:smooth;
}

body{
    font-family:'Inter',sans-serif;
    background:#ffffff;
    color:#1f1f1f;
    line-height:1.7;
    overflow-x:hidden;
}

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

.narrow{
    max-width:760px;
}

section{
    padding:100px 0;
}

/* =========================
   HERO
========================= */

.hero{
    min-height:100vh;

    background:
    linear-gradient(
        rgba(0,0,0,.70),
        rgba(0,0,0,.45)
    ),
    url('https://images.unsplash.com/photo-1513407030348-c983a97b98d8?auto=format&fit=crop&w=2400&q=80');

    background-size:cover;
    background-position:center center;
    background-repeat:no-repeat;

    color:white;
    display:flex;
    flex-direction:column;
}

.navbar{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:30px 5%;
}

.logo{
    font-weight:800;
    letter-spacing:3px;
    line-height:1.1;
}

.nav-menu{
    display:flex;
    list-style:none;
    gap:35px;
}

.nav-menu a{
    color:white;
    text-decoration:none;
    transition:.3s;
}

.nav-menu a:hover{
    opacity:.7;
}

.nav-button{
    background:#d83d3d;
    color:white;
    text-decoration:none;
    padding:14px 24px;
    border-radius:999px;
    font-weight:600;
}

.hero-content{
    margin:auto;
    max-width:700px;
    padding:20px;
}

.eyebrow{
    color:#ff7575;
    font-size:.85rem;
    font-weight:700;
    letter-spacing:1px;
    display:inline-block;
    margin-bottom:20px;
}

.hero h1{
    font-size:5rem;
    line-height:1;
    margin-bottom:20px;
}

.hero p{
    font-size:1.2rem;
    max-width:600px;
    margin-bottom:35px;
}

.hero-buttons{
    display:flex;
    gap:15px;
    flex-wrap:wrap;
}

.btn{
    padding:16px 28px;
    border-radius:999px;
    text-decoration:none;
    font-weight:600;
}

.btn-primary{
    background:#d83d3d;
    color:white;
}

.btn-secondary{
    border:2px solid white;
    color:white;
}

.hero-stats{
    display:flex;
    gap:60px;
    margin-top:60px;
    flex-wrap:wrap;
}

.hero-stats strong{
    display:block;
    font-size:2rem;
}

/* =========================
   SECTION HEADINGS
========================= */

.section-header{
    text-align:center;
    margin-bottom:60px;
}

.section-label{
    color:#d83d3d;
    font-weight:700;
    font-size:.85rem;
    letter-spacing:1px;
}

.section-header h2,
.about h2,
.reviews h2,
.faq h2{
    font-size:2.8rem;
    margin-top:10px;
}

/* =========================
   EXPERIENCE CARDS
========================= */

.experience-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
    gap:30px;
}

.card{
    background:white;
    border-radius:20px;
    overflow:hidden;
    box-shadow:0 10px 40px rgba(0,0,0,.08);
    transition:.3s ease;
}

.card:hover{
    transform:translateY(-8px);
    box-shadow:0 20px 50px rgba(0,0,0,.12);
}

.card-image{
    height:240px;
    background-size:cover;
    background-position:center;
}

/* Experience Images */

.experience-grid .card:nth-child(1) .card-image{
background-image:url('https://images.unsplash.com/photo-1540959733332-eab4deabeeaf?auto=format&fit=crop&w=1200&q=80');
}

/* Mt Fuji */

.experience-grid .card:nth-child(2) .card-image{
background-image:url('https://images.unsplash.com/photo-1570459027562-4a916cc6113f?auto=format&fit=crop&w=1200&q=80');
}

/* Kamakura */

.experience-grid .card:nth-child(3) .card-image{
background-image:url('https://images.unsplash.com/photo-1513407030348-c983a97b98d8?auto=format&fit=crop&w=1200&q=80');
}

/* Nikko */

.experience-grid .card:nth-child(4) .card-image{
background-image:url('https://images.unsplash.com/photo-1506744038136-46273834b3fb?auto=format&fit=crop&w=1200&q=80');
}

/* Layover Tour */

.experience-grid .card:nth-child(5) .card-image{
background-image:url('https://images.unsplash.com/photo-1436491865332-7a61a109cc05?auto=format&fit=crop&w=1200&q=80');
}

/* Custom Journey */

.experience-grid .card:nth-child(6) .card-image{
background-image:url('https://images.unsplash.com/photo-1500530855697-b586d89ba3ee?auto=format&fit=crop&w=1200&q=80');
}

.card-content{
    padding:25px;
}

.card-content h3{
    margin-bottom:10px;
}

.card-content span{
    display:block;
    margin-top:15px;
    font-weight:700;
    color:#d83d3d;
}

/* =========================
   HIGHLIGHTS
========================= */

.highlights{
    background:#111;
    color:white;
}

.highlights .container{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:40px;
}

.highlight-item h3{
    margin-bottom:10px;
}

.highlight-item p{
    opacity:.8;
}

/* =========================
   ABOUT
========================= */

.about{
    background:#f8f8f8;
    text-align:center;
}

.about p{
    margin-top:20px;
}

/* =========================
   REVIEWS
========================= */

.review-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:25px;
    margin-top:40px;
}

.review-card{
    background:#f8f8f8;
    padding:30px;
    border-radius:18px;
}

.review-card strong{
    display:block;
    margin-top:20px;
}

/* =========================
   FAQ
========================= */

.faq details{
    background:#f8f8f8;
    border-radius:12px;
    padding:20px;
    margin-bottom:15px;
}

.faq summary{
    cursor:pointer;
    font-weight:600;
}

/* =========================
   BOOKING
========================= */

.booking{
    background:#111;
    color:white;
}

.booking-card{
    display:grid;
    grid-template-columns:350px 1fr;
    gap:50px;
}

.booking-info h2{
    margin-bottom:15px;
}

form{
    display:grid;
    grid-template-columns:1fr 1fr 1fr;
    gap:15px;
}

input,
select,
textarea{
    padding:16px;
    border:none;
    border-radius:10px;
    font-size:1rem;
}

textarea{
    grid-column:span 3;
    height:140px;
}

button{
    grid-column:span 3;
    background:#d83d3d;
    color:white;
    border:none;
    border-radius:10px;
    padding:18px;
    font-weight:700;
    cursor:pointer;
}

/* =========================
   FOOTER
========================= */

footer{
    background:#0b0b0b;
    color:white;
    padding:40px 0;
}

.footer-container{
    display:flex;
    justify-content:space-between;
    align-items:center;
}

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

.mobile-book-btn{
    display:none;
}

/* =========================
   RESPONSIVE
========================= */

@media(max-width:900px){

    .nav-menu{
        display:none;
    }

    .hero h1{
        font-size:3rem;
    }

    .hero-stats{
        gap:30px;
    }

    .highlights .container{
        grid-template-columns:1fr;
        gap:25px;
    }

    .booking-card{
        grid-template-columns:1fr;
    }

    form{
        grid-template-columns:1fr;
    }

    textarea,
    button{
        grid-column:span 1;
    }

    .footer-container{
        flex-direction:column;
        text-align:center;
        gap:10px;
    }

    .mobile-book-btn{
        display:block;
        position:fixed;
        left:20px;
        right:20px;
        bottom:20px;
        padding:16px;
        background:#d83d3d;
        color:white;
        text-decoration:none;
        text-align:center;
        border-radius:999px;
        font-weight:700;
        z-index:999;
        box-shadow:0 10px 25px rgba(0,0,0,.25);
    }
}
```