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

body {
    font-family: sans-serif;
    color: #222;
    line-height: 1.8;
}

header {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
}

.logo {
    color: white;
    font-weight: bold;
}

nav a {
    color: white;
    text-decoration: none;
    margin-left: 20px;
}

.hero {
    height: 100vh;

    background:
        linear-gradient(rgba(0, 0, 0, 0.45),
            rgba(0, 0, 0, 0.45)),
        url("images/hero.jpg");

    background-position: center;
    background-size: cover;

    display: flex;
    justify-content: center;
    align-items: center;
}

.overlay {
    text-align: center;
    color: white;
}

.overlay h1 {
    font-size: 4rem;
    margin-bottom: 20px;
}

.overlay p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

/* PCでは改行しない */
.sp-only {
    display: none;
}

/* スマホでは改行する */
@media(max-width:768px) {

    .overlay h1 {
        width: fit-content;
        margin: 0 auto;
        text-align: left;
        font-size: 2.5rem;
        line-height: 1.4;
    }

    .sp-only {
        display: block;
    }
}

.btn {
    display: inline-block;
    padding: 14px 30px;
    background: white;
    color: black;
    text-decoration: none;
    border-radius: 50px;
    transition: 0.3s;
}

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

.section-intro {
    max-width: 80%;
    margin: 0 auto;
    line-height: 1.8;
    text-align: center;
}

.section {
    text-align: center;
    padding: 100px 10%;
}

.section h2 {
    text-align: center;
    margin-bottom: 50px;
}

.cards {
    display: grid;
    grid-template-columns:
        repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.card {
    padding: 30px;
    background: #f5f5f5;
    border-radius: 15px;
}

.gallery {
    max-width: 1000px;
    margin: 0 auto;

    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.gallery img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
    transition: 0.3s;
}

@media(max-width:768px) {

    .gallery {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .gallery img {
        height: auto;
        object-fit: contain;
    }

}

.gallery img:hover {
    transform: scale(1.03);
}

footer {
    text-align: center;
    padding: 30px;
    background: #111;
    color: white;
}

@media(max-width:768px) {

    .overlay h1 {
        font-size: 2.5rem;
    }

    header {
        flex-direction: column;
        gap: 10px;
    }
}

.instagram-section {
    padding: 120px 10%;
    background: #f5f5f5;
    text-align: center;
}

.instagram-content {
    max-width: 600px;
    margin: 0 auto;
}

.instagram-label {
    font-size: 0.75rem;
    letter-spacing: 0.25em;
    color: #888;
    margin-bottom: 15px;
}

.instagram-section h2 {
    font-size: 3rem;
    font-weight: 500;
    margin-bottom: 20px;
}

.instagram-text {
    color: #666;
    margin-bottom: 40px;
}

.instagram-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;

    width: fit-content;
    margin: 0 auto;

    padding: 18px 28px;

    color: #222;
    background: white;

    text-decoration: none;

    border: 1px solid #ddd;
    border-radius: 50px;

    transition: all 0.3s ease;
}

.instagram-link:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.instagram-icon {
    font-size: 1.5rem;
}

.instagram-arrow {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.instagram-link:hover .instagram-arrow {
    transform: translate(3px, -3px);
}

```css
/* =========================
   Contact
========================= */

.contact-section {
    padding: 120px 10%;
    background: #f7f7f7;
    text-align: center;
}

.contact-label {
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    color: #888;
    margin-bottom: 15px;
}

.contact-section h2 {
    text-align:center;
    margin-bottom:50px;
}

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

.contact-grid {
    max-width: 900px;
    margin: 0 auto;
    padding-top: 3%;

    display: grid;
    grid-template-columns: repeat(2, 1fr);

    gap: 20px;
}


/* =========================
   Contact Card
========================= */

.contact-card {
    position: relative;

    display: block;

    padding: 35px;

    background: #fff;

    color: #222;
    text-decoration: none;

    text-align: left;

    border: 1px solid #e5e5e5;

    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease,
        border-color 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);

    box-shadow:
        0 15px 40px rgba(0, 0, 0, 0.08);

    border-color: #ccc;
}


/* =========================
   Card Top
========================= */

.contact-card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;

    margin-bottom: 40px;
}

.contact-type {
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    color: #888;
}

.contact-arrow {
    font-size: 1.2rem;

    transition:
        transform 0.3s ease;
}

.contact-card:hover .contact-arrow {
    transform: translate(4px, -4px);
}


/* =========================
   Icon
========================= */

.contact-icon {
    font-size: 2rem;
    margin-bottom: 20px;
}

.instagram-symbol {
    font-size: 2.2rem;
}


/* =========================
   Card Text
========================= */

.contact-card h3 {
    font-size: 1.2rem;
    font-weight: 500;

    margin-bottom: 10px;
}

.contact-card p {
    color: #777;
    font-size: 0.9rem;
    line-height: 1.8;
}


/* =========================
   Mobile
========================= */

.mobile-only {
    display: none;
}

@media(max-width:768px) {

    .contact-section {
        padding: 90px 7%;
    }

    .contact-section h2 {
        font-size: 2.5rem;
    }

    .contact-intro {
        margin-bottom: 40px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .contact-card {
        padding: 28px;
    }

    .mobile-only {
        display: block;
    }
}