:root {
    --main:    #099dde;
    --sub:     #4db8f0;
    --main-dk: #0070b0;
    --bg:      #f0f8ff;
    --bg2:     #e4f3fc;
    --bg3:     #ffffff;
    --border:  rgba(9,157,222,.2);
    --text:    #0d2d44;
    --text2:   #3a6880;
    --text3:   #6aabc8;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Noto Sans JP', sans-serif;
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
}

.sp-only {
    display:none;
}

/* ─── HEADER ─── */
#site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    padding: 0.65rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    box-shadow: 0 2px 18px rgba(9,157,222,.08);
}
#site-header .logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: .55rem;
}
#site-header .logo img { height: 44px; width: auto; }
#site-header .logo span {
    font-family: 'RocknRoll One', sans-serif;
    font-size: .95rem;
    color: var(--main-dk);
}
.btn-apply-sm {
    background: linear-gradient(135deg, var(--main), var(--main-dk));
    color: #fff;
    border: none;
    font-family: 'RocknRoll One', sans-serif;
    font-size: .85rem;
    padding: .45rem 1.2rem;
    border-radius: 99px;
    white-space: nowrap;
    text-decoration: none;
    transition: transform .2s, box-shadow .2s;
    box-shadow: 0 2px 12px rgba(9,157,222,.35);
}
.btn-apply-sm:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 22px rgba(9,157,222,.5);
    color: #fff;
}

/* ヒーローセクション */
.hero-section {
    min-height: 50vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
    background:
    radial-gradient(ellipse 50% 50% at 25% 40%, rgba(9,157,222,.13) 0%, transparent 65%),
    radial-gradient(ellipse 50% 50% at 40% 65%, rgba(77,184,240,.10) 0%, transparent 60%),
    linear-gradient(160deg, #f0f8ff 0%, #ddf0fc 100%);
}

.hero-section::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--main-color) 0%, transparent 70%);
    opacity: 0.05;
    top: 10%;
    right: -100px;
}

.hero-top {
    margin-bottom: 3rem;
}

.hero-left {
    z-index: 10;
}

.hero-slogan {
    display: inline-block;
    font-family: 'RocknRoll One', sans-serif;
    font-size: 2.8rem;
    line-height: 1.2;
    margin-bottom: .5rem;
    background-clip: text;
    animation: slideInLeft 1s ease-out;
}

.hero-slogan em {
    font-style: normal;
    background: linear-gradient(135deg, var(--main) 20%, var(--main-dk) 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-family: 'RocknRoll One', sans-serif;
    font-size: 1.5rem;
    color: var(--text2);
    margin-top: .5rem;
    line-height: 1.75;
}

.sp-only {
    display:none;
}

.hero-slogan-mania {
    font-size: 4rem;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-date {
    font-family: 'Zen Antique Soft', serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--main-color);
    padding: 1rem 2rem;
    display: inline-block;
    position: relative;
    text-shadow: 0px 0px 5px #fff;
}

.hero-left {
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.hero-logo {
    text-align: center;
}

.hero-logo img {
    max-width: 90vw;
    width: 100%;
    height: auto;
}

.hero-logo .title-main {
    display: block;
    margin-bottom: 0.5rem;
}

.hero-logo .title-number {
    display: block;
    font-size: 6rem;
    background: linear-gradient(135deg, var(--sub-color), var(--main-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    color: var(--text3);
    font-size: .85rem;
}

.hero-deadline {
    color: var(--text2);
    font-weight: 500;
    font-size: .95rem;    
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

/* ─── BUTTONS ─── */
.btn-apply-main {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: linear-gradient(135deg, var(--main), var(--main-dk));
    color: #fff;
    border: none;
    font-family: 'RocknRoll One', sans-serif;
    font-size: 1.05rem;
    padding: .85rem 2rem;
    border-radius: 99px;
    text-decoration: none;
    transition: transform .2s, box-shadow .2s;
    box-shadow: 0 4px 20px rgba(9,157,222,.38);
}
.btn-apply-main:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(9,157,222,.55);
    color: #fff;
}
.btn-outline-contact {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: #fff;
    color: var(--main-dk);
    border: 1.5px solid var(--main);
    font-family: 'RocknRoll One', sans-serif;
    font-size: 1.5rem;
    padding: .5rem 1.5rem;
    margin-right: .5rem;
    margin-bottom: .5rem;
    border-radius: 99px;
    text-decoration: none;
    transition: background .2s, color .2s, transform .2s, box-shadow .2s;
    box-shadow: 0 2px 8px rgba(9,157,222,.12);
}
.btn-outline-contact:hover {
    background: var(--main);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 5px 16px rgba(9,157,222,.35);
}
.mail-address {
    font-size: .8rem;
}
.btn-event-page {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: var(--bg3);
    color: var(--text2);
    border: 1px solid rgba(9,157,222,.3);
    font-size: .95rem;
    padding: .7rem 1.6rem;
    border-radius: 99px;
    text-decoration: none;
    transition: background .2s, color .2s, border-color .2s;
}
.btn-event-page:hover {
    background: rgba(9,157,222,.08);
    color: var(--main-dk);
    border-color: var(--main);
}

/* ─── MARQUEE ─── */
.marquee-section {
    overflow: hidden;
    background: linear-gradient(90deg, #e0f2fc, #f5fbff 50%, #e0f2fc);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 1.2rem 0;
}
.marquee-track {
    display: flex;
    gap: 1.4rem;
    animation: marqueeScroll 40s linear infinite;
    width: max-content;
}

@keyframes marqueeScroll {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}
.marquee-item {
    flex-shrink: 0;
    width: 480px;
    height: 270px;
    background: #fff;
    border: 1px solid rgba(9,157,222,.22);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 10px rgba(9,157,222,.08);
}
.marquee-item-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .4rem;
    color: var(--main);
    font-size: .82rem;
    text-align: center;
    font-weight: 500;
}
.marquee-item-placeholder i { font-size: 1.9rem; }

/* ─── SECTIONS ─── */
section { padding: 5rem 0; }

.section-label {
    font-family: 'RocknRoll One', sans-serif;
    font-size: 1rem;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--main);
    margin-bottom: .4rem;
}
.section-title {
    font-family: 'RocknRoll One', sans-serif;
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    line-height: 1.35;
    color: var(--text);
}
.section-title em {
    font-style: normal;
    background: linear-gradient(135deg, var(--main), var(--main-dk));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.section-lead {
    color: var(--text2);
    font-size: 1.05rem;
    line-height: 1.8;
}

/* ─── SUB-SLOGANS ─── */
.sub-slogan {
    text-align: center;
    padding: 3.5rem 0;
    background: linear-gradient(135deg, #e8f6fd, #f5fbff);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.sub-slogan p {
    font-family: 'RocknRoll One', sans-serif;
    font-size: clamp(1.5rem, 3vw, 1.9rem);
    color: var(--text);
    line-height: 1.65;
    margin: 0;
}
.sub-slogan p em {
    font-style: normal;
    color: var(--main);
}
.sub-slogan-person {
    display: block;
    text-align: right;
    color: var(--sub) !important;
    font-size: 1.2rem !important;
    font-style: italic;
    padding-right: 10rem;
    opacity: 0.8;
}

/* ─── POINTS ─── */
.points-section { background: var(--bg3); }
.point-card {
    background: #fff;
    border: 1px solid rgba(9,157,222,.2);
    border-radius: 18px;
    padding: 2rem;
    height: 100%;
    position: relative;
    overflow: hidden;
    transition: border-color .3s, transform .3s, box-shadow .3s;
    box-shadow: 0 2px 16px rgba(9,157,222,.07);
}
.point-card:hover {
    border-color: var(--main);
    transform: translateY(-6px);
    box-shadow: 0 10px 32px rgba(9,157,222,.18);
}
.point-card::before {
    content: '';
    position: absolute;
    top: -30px; right: -30px;
    width: 120px; height: 120px;
    background: radial-gradient(circle, rgba(9,157,222,.1), transparent 70%);
    border-radius: 50%;
}
.point-num {
    font-family: 'RocknRoll One', sans-serif;
    font-size: 3.5rem;
    line-height: 1;
    color: var(--main);
    opacity: .15;
    position: absolute;
    top: .4rem; right: 1.2rem;
}
.point-icon {
    font-size: 2.2rem;
    color: var(--main);
    margin-bottom: .8rem;
}
.point-card h3 {
    font-family: 'RocknRoll One', sans-serif;
    font-size: 1.15rem;
    color: var(--text);
    margin-bottom: .6rem;
}
.point-card p {
    font-size: .95rem;
    color: var(--text2);
    line-height: 1.8;
    margin: 0;
}

/* ─── VIDEO ─── */
.video-section { background: var(--bg3); }
.video-title {
    margin-top: 2rem;
    font-family: 'RocknRoll One', sans-serif;
    font-size: 1.5rem;
    color: var(--main-dk);
    margin-bottom: .8rem;
}
.video-wrap {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: 0 8px 40px rgba(9,157,222,.15);
    aspect-ratio: 16/9;
    margin-bottom: .8rem;
}
.video-wrap iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

/* ─── DESCRIPTION ─── */
.about-section { background: var(--bg3); }
.desc-box {
    background: linear-gradient(135deg, #f5fbff, #eaf5fd);
    border: 1px solid rgba(9,157,222,.18);
    border-radius: 18px;
    padding: 2.5rem;
}
.desc-box p {
    color: var(--text2);
    line-height: 1.95;
    font-size: 1rem;
    margin-bottom: 1rem;
}
.desc-box p:last-child { margin-bottom: 0; }
.desc-box em { font-style: normal; font-weight: 700; color: var(--main-dk);}
.desc-box strong { color: var(--tex); font-size: .8rem; }

/* ─── FAQ ─── */
.faq-section { background: linear-gradient(160deg, #f0f8ff, #e4f3fc); }

.faq-box {
    background: var(--bg3);
    border: 1px solid rgba(9,157,222,.18);
    border-radius: 18px;
    padding: 2.5rem;
}
.faq-box p {
    color: var(--text2);
    line-height: 1.95;
    font-size: 1rem;
    margin-bottom: 1rem;
}
.faq-box p:last-child { margin-bottom: 0; }
.faq-item {
    background: #fff;
    border: 1px solid rgba(9,157,222,.2);
    border-radius: 12px;
    margin-bottom: .75rem;
    overflow: hidden;
    transition: border-color .3s, box-shadow .3s;
    box-shadow: 0 1px 8px rgba(9,157,222,.06);
}
.faq-item:hover { border-color: rgba(9,157,222,.45); box-shadow: 0 3px 16px rgba(9,157,222,.12); }
.faq-question {
    width: 100%;
    background: none;
    border: none;
    color: var(--text);
    font-family: 'RocknRoll One', sans-serif;
    font-size: 1rem;
    text-align: left;
    padding: 1.1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: .8rem;
    cursor: pointer;
    transition: color .2s;
}
.faq-question:hover { color: var(--main-dk); }
.faq-q-label { color: var(--main); margin-right: .45rem; }
.faq-icon {
    font-size: 1.1rem;
    color: var(--main);
    transition: transform .3s;
    flex-shrink: 0;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
    display: none;
    padding: .5rem 1.5rem 1.2rem;
    color: var(--text2);
    font-size: .95rem;
    line-height: 1.8;
    border-top: 1px solid rgba(9,157,222,.1);
}
.faq-a-label { color: var(--sub); font-weight: 700; margin-right: .45rem; }
.faq-item.open .faq-answer { display: block; }

.end-slogan { line-height: 2.0;}

/* ─── FOOTER ─── */
footer {
    background: rgba(255,255,255,.92);
    border-top: 1px solid var(--border);
    padding: 2.5rem 1.5rem;
    text-align: center;
    box-shadow: 0 -2px 18px rgba(9,157,222,.07);
}
footer .sns-links {
    display: flex;
    justify-content: center;
    gap: 1.1rem;
    margin-bottom: 1.2rem;
}
footer .sns-links a {
    width: 44px; height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(9,157,222,.3);
    color: var(--main);
    font-size: 1.15rem;
    text-decoration: none;
    transition: background .2s, border-color .2s, transform .2s, color .2s;
}
footer .sns-links a:hover {
    background: rgba(9,157,222,.08);
    border-color: var(--main);
    color: var(--main-dk);
    transform: translateY(-3px);
}
footer .copy {
    font-size: .78rem;
    color: var(--text3);
}

/* ─── DIVIDER ─── */
.glow-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--main), transparent);
    margin: 0;
    opacity: .3;
}

/* ─── SCROLL REVEAL ─── */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .65s ease, transform .65s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }

@media (max-width: 767px) {
    .sp-only { display: block; }
    .hero-section { background:radial-gradient(ellipse 40% 30% at 30% 25%, rgba(9,157,222,.13) 0%, transparent 65%), linear-gradient(160deg, #f0f8ff 0%, #ddf0fc 100%);}
    .hero-top { margin: 0; }
    .hero-right { text-align: center; }
    .hero-logo-wrap { margin-top: 2rem; }
    .hero-logo-wrap img { max-width: 320px; }
    .hero-slogan { font-size: 1.3rem; text-align: center;}
    .hero-date { font-size: 1.2rem; }
    .hero-sub { font-size: 1.2rem; text-align: center;}
    .hero-description { text-align: center; }
    .hero-deadline { text-align: center; }
    .hero-event-page { text-align: center; }
    .section-label { font-size: 0.8rem; text-align: center;}
    .btn-apply-main { width: 100%; justify-content: center; }
    .btn-outline-contact,
    .btn-event-page { justify-content: center; }
    .marquee-section { padding: .5rem 0; }
    .marquee-track { gap: .5rem; }
    .marquee-item { width: 240px; height: 135px; }
    .marquee-item-placeholder img { width: 100%; height: 100%; }
    .video-title { text-align: center; font-size: 1.2rem; }
    .section-title { text-align: center; }
    .sub-slogan-person { padding-right: 0; font-size: 1rem !important; }
    .faq-answer { font-size: .9rem; }
}