/* =========================
   RESET
========================= */

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

html {
    scroll-behavior: smooth;
}

body {
    background: #080808;
    color: #ffffff;

    font-family:
        Arial,
        "Noto Sans JP",
        sans-serif;

    line-height: 1.7;

    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    width: 100%;
    display: block;
}


/* =========================
   HEADER
========================= */

.header {
    position: fixed;

    top: 0;
    left: 0;

    width: 100%;
    height: 90px;

    padding: 0 5vw;

    display: flex;
    align-items: center;
    justify-content: space-between;

    z-index: 1000;

    transition:
        background 0.4s ease,
        height 0.4s ease;
}

.header.scrolled {
    height: 70px;

    background:
        rgba(0, 0, 0, 0.88);

    backdrop-filter: blur(10px);
}


/* ロゴ */

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    display: block;

    width: 150px;
    height: auto;
}


/* =========================
   NAV
========================= */

.nav {
    display: flex;

    gap: 32px;
}

.nav a {
    position: relative;

    font-size: 12px;

    letter-spacing: 0.18em;

    transition: opacity 0.3s ease;
}

.nav a::after {
    content: "";

    position: absolute;

    left: 0;
    bottom: -7px;

    width: 0;
    height: 1px;

    background: #ffffff;

    transition: width 0.3s ease;
}

.nav a:hover::after {
    width: 100%;
}


/* =========================
   MENU BUTTON
========================= */

.menu-button {
    display: none;

    width: 42px;
    height: 42px;

    background: none;
    border: none;

    cursor: pointer;

    position: relative;

    z-index: 1100;
}

.menu-button span {
    display: block;

    width: 25px;
    height: 1px;

    background: #ffffff;

    margin: 6px auto;

    transition:
        transform 0.3s ease,
        opacity 0.3s ease;
}

.menu-button.active span:nth-child(1) {
    transform:
        translateY(7px)
        rotate(45deg);
}

.menu-button.active span:nth-child(2) {
    opacity: 0;
}

.menu-button.active span:nth-child(3) {
    transform:
        translateY(-7px)
        rotate(-45deg);
}


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

.hero {
    position: relative;

    width: 100%;
    height: 100vh;

    min-height: 650px;

    display: flex;

    align-items: center;
    justify-content: center;

    overflow: hidden;
}

.hero-bg {
    position: absolute;

    inset: 0;

    background-image:
        url("images/hero.jpg");

    background-size: cover;

    background-position: center;

    transform: scale(1.03);

    animation:
        heroZoom 12s
        ease-out
        forwards;
}

@keyframes heroZoom {

    from {
        transform: scale(1.08);
    }

    to {
        transform: scale(1);
    }

}

.hero-overlay {
    position: absolute;

    inset: 0;

    background:
        linear-gradient(
            to bottom,
            rgba(0, 0, 0, 0.3),
            rgba(0, 0, 0, 0.55)
        );
}

.hero-content {
    position: relative;

    text-align: center;

    z-index: 2;
}

.hero-small {
    font-size: 11px;

    letter-spacing: 0.5em;

    margin-bottom: 20px;
}

.hero h1 {
    font-size:
        clamp(60px, 13vw, 180px);

    line-height: 0.9;

    font-weight: 700;

    letter-spacing: 0.04em;
}

.hero-subtitle {
    margin-top: 25px;

    font-size: 12px;

    letter-spacing: 0.45em;
}


/* スクロール表示 */

.scroll {
    position: absolute;

    bottom: 35px;
    left: 50%;

    transform: translateX(-50%);

    display: flex;

    flex-direction: column;

    align-items: center;

    gap: 10px;

    font-size: 9px;

    letter-spacing: 0.3em;

    z-index: 2;
}

.scroll-line {
    width: 1px;
    height: 55px;

    background:
        linear-gradient(
            to bottom,
            #ffffff,
            transparent
        );
}


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

.section {
    padding:
        150px 7vw;

    background: #080808;
}

.dark-section {
    background: #101010;
}

.section-title {
    display: flex;

    align-items: baseline;

    gap: 25px;

    margin-bottom: 70px;
}

.section-title span {
    font-size: 11px;

    letter-spacing: 0.2em;

    opacity: 0.5;
}

.section-title h2 {
    font-size:
        clamp(38px, 6vw, 80px);

    line-height: 1;

    letter-spacing: 0.04em;
}

.section-description {
    margin-top: -40px;

    margin-bottom: 45px;

    font-size: 12px;

    letter-spacing: 0.12em;

    opacity: 0.55;
}


/* =========================
   NEWS
========================= */

.news-list {
    border-top:
        1px solid
        rgba(255, 255, 255, 0.2);
}

.news-item {
    position: relative;

    display: grid;

    grid-template-columns:
        120px
        80px
        1fr
        30px;

    align-items: center;

    gap: 25px;

    min-height: 100px;

    border-bottom:
        1px solid
        rgba(255, 255, 255, 0.15);

    transition:
        padding 0.3s ease,
        background 0.3s ease;
}

.news-item:hover {
    padding-left: 15px;

    background:
        rgba(255, 255, 255, 0.03);
}

.news-item time {
    font-size: 12px;

    opacity: 0.5;
}

.news-category {
    font-size: 9px;

    letter-spacing: 0.15em;

    border:
        1px solid
        rgba(255, 255, 255, 0.4);

    padding:
        3px 8px;

    width: fit-content;
}

.news-item p {
    font-size: 14px;
}

.arrow {
    font-size: 20px;

    opacity: 0.5;

    transition:
        transform 0.3s ease;
}

.news-item:hover .arrow {
    transform:
        translateX(5px);

    opacity: 1;
}


/* =========================
   BUTTON
========================= */

.more-button {
    display: inline-block;

    margin-top: 50px;

    padding:
        14px 30px;

    border:
        1px solid
        rgba(255, 255, 255, 0.5);

    font-size: 10px;

    letter-spacing: 0.2em;

    transition:
        background 0.3s ease,
        color 0.3s ease;
}

.more-button:hover {
    background: #ffffff;

    color: #000000;
}


/* =========================
   MUSIC
========================= */

.music-grid {
    display: grid;

    grid-template-columns:
        repeat(3, 1fr);

    gap: 30px;
}

.music-card {
    display: block;
}

.music-image {
    position: relative;

    aspect-ratio: 1 / 1;

    background:
        linear-gradient(
            135deg,
            #1b1b1b,
            #383838
        );

    overflow: hidden;
}

.music-image::after {
    content: "";

    position: absolute;

    inset: 0;

    border:
        1px solid
        rgba(255, 255, 255, 0.15);
}

.music-number {
    position: absolute;

    right: 20px;
    bottom: 15px;

    font-size: 80px;

    font-weight: 700;

    opacity: 0.08;
}

.music-info {
    padding-top: 20px;
}

.music-info p {
    font-size: 9px;

    letter-spacing: 0.2em;

    opacity: 0.5;
}

.music-info h3 {
    margin-top: 5px;

    font-size: 17px;

    font-weight: 400;
}


/* =========================
   VIDEO
========================= */

.video-grid {
    display: grid;

    grid-template-columns:
        repeat(3, 1fr);

    gap: 30px;

    min-height: 150px;
}

.video-card {
    display: block;

    overflow: hidden;
}

.video-image {
    position: relative;

    aspect-ratio: 16 / 9;

    background: #181818;

    overflow: hidden;
}

.video-image img {
    width: 100%;
    height: 100%;

    object-fit: cover;

    transition:
        transform 0.5s ease;
}

.video-card:hover
.video-image img {
    transform:
        scale(1.05);
}

.play-button {
    position: absolute;

    left: 50%;
    top: 50%;

    transform:
        translate(-50%, -50%);

    width: 55px;
    height: 55px;

    border:
        1px solid
        rgba(255, 255, 255, 0.8);

    border-radius: 50%;

    display: flex;

    align-items: center;
    justify-content: center;

    font-size: 14px;

    background:
        rgba(0, 0, 0, 0.4);

    transition:
        background 0.3s ease,
        transform 0.3s ease;
}

.video-card:hover
.play-button {
    background:
        rgba(255, 255, 255, 0.9);

    color: #000000;

    transform:
        translate(-50%, -50%)
        scale(1.08);
}

.video-card h3 {
    margin-top: 15px;

    font-size: 14px;

    font-weight: 400;

    line-height: 1.5;
}

.video-card p {
    margin-top: 5px;

    font-size: 10px;

    opacity: 0.5;
}

.loading {
    grid-column:
        1 / -1;

    padding: 50px 0;

    font-size: 11px;

    letter-spacing: 0.2em;

    opacity: 0.5;
}


/* =========================
   LIVE
========================= */

.live-list {
    border-top:
        1px solid
        rgba(255, 255, 255, 0.2);
}

.live-item {
    min-height: 120px;

    display: grid;

    grid-template-columns:
        120px
        1fr
        80px;

    align-items: center;

    gap: 30px;

    border-bottom:
        1px solid
        rgba(255, 255, 255, 0.15);

    transition:
        background 0.3s ease,
        padding 0.3s ease;
}

.live-item:hover {
    padding-left: 15px;

    background:
        rgba(255, 255, 255, 0.03);
}

.live-date {
    display: flex;

    flex-direction: column;
}

.live-date span {
    font-size: 20px;

    line-height: 1;
}

.live-date small {
    font-size: 15px;

    opacity: 0.5;
}

.live-info p {
    font-size: 12px;

    letter-spacing: 0.2em;

    opacity: 0.5;
}

.live-info h3 {
    margin-top: 5px;

    font-weight: 400;
}

.live-status {
    font-size: 9px;

    letter-spacing: 0.15em;
}


/* =========================
   PROFILE
========================= */

.profile {
    display: grid;

    grid-template-columns:
        1fr 1fr;

    gap: 8vw;

    align-items: center;
}

.profile-image {
    overflow: hidden;
}

.profile-image img {
    aspect-ratio: 4 / 5;

    object-fit: cover;

    background: #202020;
}

.profile-text {
    max-width: 500px;
}

.profile-name {
    font-size: 45px;

    font-weight: 700;

    letter-spacing: 0.04em;

    margin-bottom: 10px;
}

.profile-text > p:not(.profile-name) {
    margin-bottom: 30px;

    font-size: 14px;

    opacity: 0.7;
}


/* =========================
   SNS
========================= */

.sns-section {
    background: #101010;
}

.sns-grid {
    display: grid;

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

    border-top:
        1px solid
        rgba(255, 255, 255, 0.2);
}

.sns-item {
    position: relative;

    min-height: 150px;

    padding: 30px;

    display: flex;

    flex-direction: column;

    justify-content: center;

    border-bottom:
        1px solid
        rgba(255, 255, 255, 0.15);

    transition:
        background 0.3s ease;
}

.sns-item:nth-child(odd) {
    border-right:
        1px solid
        rgba(255, 255, 255, 0.15);
}

.sns-item:hover {
    background:
        rgba(255, 255, 255, 0.05);
}

.sns-name {
    font-size: 20px;

    letter-spacing: 0.04em;
}

.sns-id {
    margin-top: 5px;

    font-size: 11px;

    opacity: 0.5;
}

.sns-arrow {
    position: absolute;

    right: 30px;
    top: 50%;

    transform:
        translateY(-50%);

    font-size: 25px;

    opacity: 0.5;

    transition:
        transform 0.3s ease,
        opacity 0.3s ease;
}

.sns-item:hover .sns-arrow {
    transform:
        translate(5px, -50%);

    opacity: 1;
}


/* =========================
   CONTACT
========================= */

.contact-section {
    text-align: center;

    min-height: 500px;

    display: flex;

    flex-direction: column;

    justify-content: center;
}

.contact-section .section-title {
    justify-content: center;
}

.contact-content p {
    max-width: 500px;

    margin:
        0 auto 30px;

    font-size: 13px;

    opacity: 0.6;
}

.contact-mail {
    font-size:
        clamp(20px, 4vw, 40px);

    border-bottom:
        1px solid
        rgba(255, 255, 255, 0.5);

    padding-bottom: 5px;

    transition:
        opacity 0.3s ease;
}

.contact-mail:hover {
    opacity: 0.5;
}


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

.footer {
    padding:
        70px 7vw 30px;

    background: #050505;
}

.footer-inner {
    display: flex;

    align-items: center;

    justify-content: space-between;

    flex-wrap: wrap;

    gap: 30px;
}

.footer-logo {
    font-size: 20px;

    font-weight: 700;

    letter-spacing: 0.1em;
}

.footer-sns {
    display: flex;

    flex-wrap: wrap;

    gap: 20px;
}

.footer-sns a {
    font-size: 10px;

    letter-spacing: 0.1em;

    opacity: 0.5;

    transition:
        opacity 0.3s ease;
}

.footer-sns a:hover {
    opacity: 1;
}

.footer p {
    width: 100%;

    margin-top: 50px;

    font-size: 9px;

    opacity: 0.3;
}


/* =========================
   SCROLL REVEAL
========================= */

.reveal {
    opacity: 0;

    transform:
        translateY(30px);

    transition:
        opacity 0.8s ease,
        transform 0.8s ease;
}

.reveal.active {
    opacity: 1;

    transform:
        translateY(0);
}


/* =========================================================
   LIVE DETAIL PAGE
========================================================= */




/* -------------------------
   DETAIL HERO
------------------------- */

.detail-hero {
    position: relative;

    width: 100%;

    padding:
        60px 7vw 80px;
}

.detail-hero-image {
    width: 100%;

    max-width: 1309px;

    margin: 0 auto;
}

.detail-hero-image img {
    display: block;

    width: 100%;

    height: auto;

    max-height: 800px;

    object-fit: contain;
}

.detail-hero-content {
    max-width: 900px;

    margin:
        40px auto 0;
}

.detail-hero-content p {
    font-size: 14px;

    letter-spacing: 0.2em;

    margin-bottom: 15px;

    opacity: 0.6;
}

.detail-hero-content h1 {
    font-size:
        clamp(40px, 6vw, 80px);

    line-height: 1.05;

    letter-spacing: 0.03em;
}


/* -------------------------
   DETAIL SECTION
------------------------- */

.detail-section {
    max-width: 900px;

    margin: 0 auto;

    padding:
        80px 7vw;
}

.detail-section h2 {
    font-size: 28px;

    letter-spacing: 0.08em;

    margin-bottom: 40px;
}


/* -------------------------
   EVENT INFORMATION
------------------------- */

.event-info {
    border-top:
        1px solid #333;
}

.event-row {
    display: grid;

    grid-template-columns:
        160px
        1fr;

    gap: 30px;

    padding:
        25px 0;

    border-bottom:
        1px solid #333;
}

.event-row span {
    font-size: 13px;

    letter-spacing: 0.15em;

    color: #999;
}

.event-row p {
    margin: 0;

    font-size: 15px;
}


/* -------------------------
   TICKET
------------------------- */

.detail-section .more-button {
    margin-top: 30px;
}


/* -------------------------
   NOTES
------------------------- */

.notes {
    line-height: 2;

    white-space: pre-line;

    font-size: 14px;

    color: #cccccc;
}


/* =========================================================
   DETAIL BACK BUTTON
========================================================= */

.back-button {
    display: inline-flex;

    align-items: center;

    gap: 8px;

    font-size: 11px;

    letter-spacing: 0.15em;

    opacity: 0.7;

    transition:
        opacity 0.3s ease;
}

.back-button:hover {
    opacity: 1;
}


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

@media (max-width: 768px) {

    /* -------------------------
       HEADER
    ------------------------- */

    .header {
        height: 70px;

        padding:
            0 6vw;
    }

    .logo img {
        width: 120px;
    }

    .menu-button {
        display: block;
    }


    /* -------------------------
       NAV
    ------------------------- */

    .nav {
        position: fixed;

        inset: 0;

        width: 100%;
        height: 100vh;

        background: #080808;

        display: flex;

        flex-direction: column;

        align-items: center;
        justify-content: center;

        gap: 30px;

        opacity: 0;

        visibility: hidden;

        transform:
            translateY(-20px);

        transition:
            opacity 0.3s ease,
            visibility 0.3s ease,
            transform 0.3s ease;
    }

    .nav.active {
        opacity: 1;

        visibility: visible;

        transform:
            translateY(0);
    }

    .nav a {
        font-size: 16px;

        letter-spacing: 0.2em;
    }


    /* -------------------------
       HERO
    ------------------------- */

    .hero {
        min-height: 600px;
    }


    /* -------------------------
       SECTION
    ------------------------- */

    .section {
        padding:
            100px 6vw;
    }

    .section-title {
        margin-bottom: 45px;

        gap: 15px;
    }

    .section-title h2 {
        font-size: 45px;
    }


    /* -------------------------
       NEWS
    ------------------------- */

    .news-item {
        grid-template-columns:
            90px
            60px
            1fr;

        gap: 10px;

        padding:
            20px 0;
    }

    .news-item p {
        grid-column:
            1 / -1;

        padding-top: 5px;
    }

    .news-item .arrow {
        display: none;
    }


    /* -------------------------
       MUSIC
    ------------------------- */

    .music-grid {
        grid-template-columns:
            1fr;

        gap: 50px;
    }


    /* -------------------------
       VIDEO
    ------------------------- */

    .video-grid {
        grid-template-columns:
            1fr;

        gap: 45px;
    }


    /* -------------------------
       LIVE
    ------------------------- */

    .live-item {
        grid-template-columns:
            70px
            1fr;

        gap: 20px;

        padding:
            25px 0;
    }

    .live-status {
        display: none;
    }


    /* -------------------------
       PROFILE
    ------------------------- */

    .profile {
        grid-template-columns:
            1fr;

        gap: 50px;
    }

    .profile-name {
        font-size: 38px;
    }


    /* -------------------------
       SNS
    ------------------------- */

    .sns-grid {
        grid-template-columns:
            1fr;
    }

    .sns-item:nth-child(odd) {
        border-right: none;
    }


    /* -------------------------
       FOOTER
    ------------------------- */

    .footer-inner {
        flex-direction: column;

        align-items: flex-start;
    }

    .footer-sns {
        gap: 15px;
    }


    /* =====================================================
       LIVE DETAIL MOBILE
    ===================================================== */

    .detail-page {
        padding-top: 70px;
    }


    /* 詳細ページ画像 */

    .detail-hero {
        padding:
            40px 20px 60px;
    }

    .detail-hero-image {
        max-width: 100%;
    }

    .detail-hero-image img {
        max-height: 400px;

        object-fit: contain;
    }


    /* 詳細ページタイトル */

    .detail-hero-content {
        margin-top: 30px;
    }

    .detail-hero-content h1 {
        font-size: 42px;
    }


    /* 詳細情報 */

    .detail-section {
        padding:
            60px 20px;
    }

    .detail-section h2 {
        font-size: 24px;
    }


    /* イベント情報 */

    .event-row {
        grid-template-columns:
            100px
            1fr;

        gap: 15px;

        padding:
            20px 0;
    }

    .event-row span {
        font-size: 11px;
    }

    .event-row p {
        font-size: 14px;
    }


    /* 注意事項 */

    .notes {
        font-size: 13px;

        line-height: 1.9;
    }


    /* 戻るボタン */

    .back-button {
        font-size: 10px;
    }

}