* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", sans-serif;
    line-height: 1.8;
    color: #f5f5f5;
    background: #0b0b0b;
}

header {
    min-height: 100vh;
    padding: 80px 24px;
    text-align: center;
background:
    linear-gradient(rgba(0,0,0,0.45), rgba(0,0,0,0.88)),
    url("images/hero-main.jpg");
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
}

header h1 {
    font-size: clamp(42px, 8vw, 72px);
    margin: 0 0 16px;
    letter-spacing: 4px;
    text-shadow: 0 4px 18px rgba(0,0,0,0.8);
}

header p {
    font-size: 18px;
    margin: 0 0 36px;
    letter-spacing: 1px;
}

a {
    display: inline-block;
    margin: 8px;
    padding: 13px 28px;
    color: #fff;
    text-decoration: none;
    border: 1px solid rgba(255,255,255,0.8);
    border-radius: 999px;
    transition: 0.25s;
}

a:hover {
    background: #fff;
    color: #111;
}

header a:first-of-type {
    background: #fff;
    color: #111;
    font-weight: bold;
}

section {
    padding: 64px 24px;
    max-width: 900px;
    margin: 0 auto;
    border-bottom: 1px solid rgba(255,255,255,0.12);
}

h2 {
    font-size: 30px;
    margin: 0 0 24px;
    padding-left: 14px;
    border-left: 4px solid #c9a45c;
    letter-spacing: 1px;
}

p {
    margin: 10px 0;
}

section p {
    color: #e8e8e8;
}

.photo-box {
    height: 260px;
    border: 1px dashed rgba(255,255,255,0.3);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #aaa;
    background:
        linear-gradient(135deg, #1a1a1a, #111);
}

.map-box {
    width: 100%;
    height: 420px;
    overflow: hidden;
    border-radius: 18px;
    margin-top: 24px;
    border: 1px solid rgba(255,255,255,0.18);
}

.map-box iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

footer {
    padding: 36px 24px;
    text-align: center;
    color: #999;
    font-size: 14px;
}

/* スマホ用 */
@media (max-width: 600px) {
    header {
        padding: 64px 20px;
    }

    header h1 {
        font-size: 42px;
    }

    header p {
        font-size: 15px;
    }

    a {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }

    section {
        padding: 48px 20px;
    }

    h2 {
        font-size: 24px;
    }

    .map-box {
        height: 320px;
    }
}