:root {
    --primary: #1ab2d8;
    --primary-dark: #0e8eac;
    --primary-light: #e8f8fc;
    --accent: #1a3a6e;
    --text: #333;
    --text-light: #fff;
    --step-line: #b0e0ef;
    --reserve: #20AEE5;
    --reserve-dark: #1b93c2;
    --min: "游明朝", YuMincho, "Hiragino Mincho ProN W3", "ヒラギノ明朝 ProN W3", "Hiragino Mincho ProN", "HG明朝E", "ＭＳ Ｐ明朝", "ＭＳ 明朝", serif;
}

* { box-sizing: border-box; }

/* ─── Hero Banner ─── */
.hero-banner {
    background: var(--reserve);
    height: 320px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}
.hero-wrap {
    display: flex;
    justify-content: center;
    gap: 4rem;
}
.hero-banner::before {
    content: '';
    position: absolute;
    top: -40px; right: -60px;
    width: 280px; height: 280px;
    border-radius: 50%;
    background: rgba(255,255,255,0.07);
}
.hero-banner::after {
    content: '';
    position: absolute;
    bottom: -80px; left: -40px;
    width: 240px; height: 240px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
}
.hero-icon-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    width: fit-content;
}
.hero-icon-circle {
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}
.hero-icon-circle .center-icon {
    font-size: 70px;
    color: #fff;
}
.hero-icon-circle .sub-icon {
    position: absolute;
    background: rgba(255,255,255,0.25);
    border-radius: 50%;
    width: 54px; height: 54px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    color: #fff;
}
.hero-icon-circle .sub-icon.top-left  { top: 14px; left: 14px; }
.hero-icon-circle .sub-icon.top-right { top: 14px; right: 14px; }
.hero-icon-circle .sub-icon.bot-left  { bottom: 14px; left: 14px; }
.hero-icon-circle .sub-icon.bot-right { bottom: 14px; right: 14px; }

.hero-title {
    font-family: var(--min);
    font-size: 2.4rem;
    font-weight: 900;
    color: #fff;
    line-height: 1.3;
    margin-bottom: 1rem;
    width: fit-content;
}
.hero-desc {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 1rem;
    width: fit-content;
}
.hero-note {
    color: rgba(255,255,255,0.75);
    font-size: .85rem;
    margin-bottom: 0;
    width: fit-content;
}
.hero-text-wrap {
    width: fit-content;
}
.reserve-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1rem 0;
}
.reserve-info-sub {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.reserve-info-sub img {
    width: fit-content;
}
.btn-white {
    background: #fff;
    color: var(--reserve);
    font-size: 1rem;
    font-weight: 500;
    padding: 12px 18px;
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}
.btn-white:not(:disabled):not(.disabled):active,
.btn-white:hover {
    background: #dddddd;
    color: var(--reserve);
}
.btn-white:not(:disabled):not(.disabled):active:focus {
    box-shadow: 0 0 0 0.2rem rgba(255,255,255,0.5);
}
/* ─── SP adjustments ─── */
@media (max-width: 767px) {
    .hero-wrap {
        flex-direction: column;
        gap: 2rem;
    }
    .hero-text-wrap {
        margin: auto;
    }
    .hero-icon-wrap {
        margin: auto;
    }
    .hero-banner { padding: 30px 0 40px;height: auto; }
    .hero-title { font-size: 2.4rem; }
    .hero-desc { font-size: 1rem; }
    .hero-note { font-size: 0.9rem; }
    .hero-icon-circle { width: 150px; height: 150px; }
    .hero-icon-circle .center-icon { font-size: 54px; }
    .hero-icon-circle .sub-icon { width: 42px; height: 42px; font-size: 17px; }

    .reserve-info-sub {
        gap: 0;
    }
    .reserve-info-sub img {
        display: none;
    }
}