@charset "utf-8";

/*==========================
common
==========================*/

:root {
    --primary-black: #231815;
    --primary-darkGrey: rgba(35, 24, 21, 0.65);
    --primary-lightGrey: #D9D9D9;
    --primary-accent: #a0232a;
    --contentPadding: clamp(16px, 5.3%, 120px);
}

html { font-size: 62.5%; }

body {
    font-family: 'Noto Serif JP', serif;
    color: var(--primary-black);
    background-color: #ffffff;
    line-height: 2.15;
    font-weight: 400;
    min-width: 320px;
    max-width: 2400px;
    margin: 0 auto;
}

img { max-width: 100%; height: auto; }

/*==========================
hero（クロスフェード）
==========================*/

.hero {
    position: relative;
    width: 100%;
    overflow: hidden;
    aspect-ratio: 3 / 2;
    background-color: #111;
}

@media screen and (min-width: 769px) {
    .hero { aspect-ratio: 16 / 9; }
}

@media screen and (max-width: 768px) {
    .hero { aspect-ratio: 9 / 16; }
}

.hero__slides {
    position: absolute;
    inset: 0;
}

.hero__slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.hero__slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.hero__slide--1 {
    animation: heroFade 12s ease-in-out infinite;
}

.hero__slide--2 {
    animation: heroFade 12s ease-in-out infinite 6s;
    opacity: 0;
}

@keyframes heroFade {
    0%   { opacity: 1; }
    40%  { opacity: 1; }
    50%  { opacity: 0; }
    90%  { opacity: 0; }
    100% { opacity: 1; }
}

.hero__overlay {
    position: absolute;
    inset: 0;
    display: flex;
    padding: 6% 7%;
    pointer-events: none;
}

.hero__overlay--1 {
    align-items: center;
    justify-content: flex-end;
    animation: heroFade 12s ease-in-out infinite;
}

.hero__overlay--2 {
    align-items: center;
    justify-content: flex-start;
    animation: heroFade 12s ease-in-out infinite 6s;
    opacity: 0;
}

.hero__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: clamp(160px, 36vw, 520px);
}

.hero__logo {
    width: clamp(90px, 15.28vw, 220px);
    height: auto;
    display: block;
}

.hero__016 {
    width: clamp(42px, 6.94vw, 100px);
    height: auto;
    display: block;
    margin-top: clamp(12px, 2.08vw, 30px);
}

.hero__info {
    display: grid;
    row-gap: clamp(6px, 0.8vw, 12px);
    margin-top: clamp(30px, 4.86vw, 70px);
    color: #e8caab;
    text-shadow: 0 1px 6px rgba(0,0,0,0.7);
}

.hero__date {
    display: flex;
    align-items: baseline;
    gap: clamp(4px, 0.69vw, 10px);
    line-height: 1;
}

.hero__venue {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    line-height: 1;
}

@media screen and (max-width: 768px) {
    .hero__slide img {
        object-position: 60% center;
    }

    .hero__overlay--1,
    .hero__overlay--2 {
        align-items: flex-start;
        justify-content: flex-start;
        padding: 14% 9%;
    }

    .hero__content {
        display: grid;
        grid-template-columns: auto 1fr;
        grid-template-rows: auto auto;
        column-gap: 5%;
        align-items: start;
        width: 100%;
    }

    .hero__logo {
        grid-column: 1;
        grid-row: 1;
        width: clamp(60px, 28.8vw, 108px);
        justify-self: center;
    }

    .hero__016 {
        grid-column: 1;
        grid-row: 2;
        width: clamp(20px, 10.67vw, 40px);
        margin-top: 16px;
        justify-self: center;
    }

    .hero__info {
        grid-column: 2;
        grid-row: 1 / 3;
        margin-top: 0;
        align-self: start;
        justify-self: end;
        display: flex;
        flex-direction: column;
        align-items: center;
        row-gap: 10px;
    }

    .hero__date {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 6px;
    }

    .hero__venue {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 6px;
    }

    .hero__place,
    .hero__time {
        white-space: nowrap;
    }

}

.hero__year,
.hero__holiday {
    font-size: clamp(1rem, 1.67vw, 2.4rem);
    line-height: 1;
}

.hero__year   { letter-spacing: 0.18em; }
.hero__holiday { letter-spacing: 0; }

.hero__day {
    font-size: clamp(1.4rem, 3.06vw, 4.4rem);
    letter-spacing: 0.18em;
    line-height: 1;
}

.hero__place {
    font-size: clamp(1.8rem, 3.06vw, 4.4rem);
    letter-spacing: 0.2em;
    line-height: 1;
}

.hero__time {
    font-size: clamp(1.3rem, 1.81vw, 2.6rem);
    letter-spacing: 0.14em;
    line-height: 1;
}

@media screen and (max-width: 768px) {
    .hero__year {
        font-size: 4.27vw;
        letter-spacing: 0.65em;
        padding-left: 0.65em;
    }

    .hero__holiday {
        font-size: 3.73vw;
        letter-spacing: 0.6em;
        padding-left: 0.6em;
    }

    .hero__day {
        font-size: 5.6vw;
        letter-spacing: 0.18em;
        padding-left: 0.18em;
    }

    .hero__place {
        font-size: 4.8vw;
        letter-spacing: 0.04em;
    }

    .hero__time {
        font-size: 4vw;
        letter-spacing: 0.48em;
        padding-left: 0.48em;
    }
}

/*==========================
フローティングボタン
==========================*/

.floatBtn {
    position: fixed;
    right: 16px;
    bottom: 24px;
    top: auto;
    transform: none;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    border: 1px solid #c8c8c8;
    background-color: rgba(255,255,255,0.92);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--primary-black);
    font-size: 0.9rem;
    line-height: 1.7;
    letter-spacing: 0.04em;
    z-index: 100;
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(0,0,0,0.12);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.8s ease, box-shadow 0.2s;
}

.floatBtn.is-visible {
    opacity: 1;
    pointer-events: auto;
}

.floatBtn:hover {
    box-shadow: 0 4px 14px rgba(0,0,0,0.2);
}

@media screen and (min-width: 769px) {
    .floatBtn {
        right: 24px;
        bottom: 32px;
        width: 100px;
        height: 100px;
        font-size: 1.1rem;
    }
}

/*==========================
section common
==========================*/

.section {
    padding: clamp(50px, 8vw, 120px) var(--contentPadding);
    background-color: #ffffff;
}

@media screen and (min-width: 769px) {
    .section {
        padding-top: 30px;
    }
    .section--greeting {
        padding-top: 80px;
    }
    .section__title {
        font-size: 2.8rem;
    }
}

.section__inner {
    max-width: min(800px, 100%);
    margin: 0 auto;
}

.section__title {
    font-size: clamp(1.8rem, 2.5vw, 3.2rem);
    text-align: center;
    letter-spacing: 0.4em;
    margin-bottom: clamp(30px, 5vw, 60px);
}

.section__title::before {
    content: '';
    display: block;
    width: 2px;
    height: clamp(30px, 4vw, 50px);
    background-color: var(--primary-accent);
    margin: 0 auto clamp(16px, 2.5vw, 30px);
}

/*==========================
section1: ご挨拶
==========================*/

.greeting__text {
    font-size: clamp(1.2rem, 1.5vw, 1.6rem);
    letter-spacing: 0.15em;
    line-height: 2.15;
    text-align: justify;
}

@media screen and (min-width: 769px) {
    .greeting__text { text-align: center; }
}

/*==========================
section2: 詳細
==========================*/

.detail__wrapper {
    display: flex;
    gap: clamp(24px, 6%, 80px);
    align-items: flex-start;
}

@media screen and (max-width: 768px) {
    .detail__wrapper { flex-direction: column; gap: clamp(32px, 6vw, 48px); }
}

.detail__col { flex: 1; }

@media screen and (min-width: 769px) {
    .detail__wrapper {
        gap: 22%;
    }
    .detail__col {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .detail__ticket-list {
        width: 100%;
    }
}

.detail__col-title {
    font-size: clamp(1.4rem, 1.8vw, 2.4rem);
    font-weight: 500;
    letter-spacing: 0.3em;
    color: var(--primary-accent);
    margin-bottom: clamp(10px, 1.5vw, 20px);
}

.detail__info-list,
.detail__ticket-list {
    list-style: none;
}

.detail__info-item {
    font-size: clamp(1.2rem, 1.5vw, 1.8rem);
    font-weight: 500;
    letter-spacing: 0.15em;
    padding: clamp(8px, 1vw, 14px) 0;
}

.detail__ticket-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: clamp(1.2rem, 1.5vw, 1.8rem);
    font-weight: 500;
    letter-spacing: 0.15em;
    padding: clamp(8px, 1vw, 14px) 0;
    border-bottom: 1px solid var(--primary-lightGrey);
}

.detail__ticket-item--u18 {
    font-size: clamp(1rem, 1.2vw, 1.5rem);
    color: var(--primary-darkGrey);
}

.detail__price { text-align: right; }

.detail__mapBtn {
    display: inline-block;
    font-size: 1.6rem;
    letter-spacing: 0.1em;
    padding: 2px 10px;
    border: 1px solid var(--primary-black);
    margin-left: 12px;
    color: var(--primary-black);
    text-decoration: none;
    transition: background-color 0.3s, color 0.3s;
}

.detail__mapBtn:hover {
    background-color: var(--primary-black);
    color: #ffffff;
}

.detail__ticketBtn {
    display: block;
    text-align: center;
    font-size: clamp(1.2rem, 1.4vw, 1.6rem);
    letter-spacing: 0.2em;
    padding: clamp(12px, 1.5vw, 18px) 24px;
    border: 1px solid var(--primary-black);
    margin: calc(clamp(20px, 3vw, 40px) + 20px) auto 0;
    max-width: 280px;
    transition: background-color 0.3s, color 0.3s;
}

.detail__ticketBtn:hover {
    background-color: var(--primary-black);
    color: #ffffff;
}

/*==========================
section3: 番組
==========================*/

.program__list { list-style: none; }

.program__item {
    display: flex;
    gap: clamp(16px, 3vw, 50px);
    padding: clamp(20px, 4vw, 50px) 0;
    border-bottom: 1px solid var(--primary-lightGrey);
    align-items: center;
}

.program__item:first-child {
    border-top: 1px solid var(--primary-lightGrey);
}

.program__img {
    width: 100%;
    flex-shrink: 0;
    object-fit: cover;
    aspect-ratio: 3 / 2;
}

@media screen and (min-width: 769px) {
    .program__img { width: 400px; }
}

@media screen and (max-width: 768px) {
    .program__item { flex-direction: column; }
}

.program__body { flex: 1; }

.program__name {
    font-size: clamp(1.4rem, 1.8vw, 2rem);
    font-weight: 500;
    letter-spacing: 0.3em;
    line-height: 2;
    margin-bottom: 8px;
}

.program__desc {
    font-size: clamp(1.1rem, 1.3vw, 1.4rem);
    letter-spacing: 0.12em;
    line-height: 2;
    color: var(--primary-darkGrey);
}

/*==========================
section4: 出演者紹介
==========================*/

.section--introduction {
    text-align: center;
}

.introduction { list-style: none; margin-top: 30px; }

.introduction__txt {
    font-size: clamp(1rem, 1.2vw, 1.4rem);
    line-height: 2.5;
    letter-spacing: 0.12em;
    text-align: left;
}

.introduction__shigehide {
    width: 100%;
    height: auto;
}

.introduction__3 { margin-top: 30px; }

@media screen and (min-width: 769px) {
    .introduction__shigehide { max-width: 800px; }
    .introduction__txt {
        text-align: center;
        padding: 0 clamp(0px, 11.8vw, 170px);
        margin-top: 20px;
    }
    .pc-break { display: block; }
    .introduction__3 {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
}

/*==========================
section5: リンク
==========================*/

.section--links {
    background-color: var(--primary-black);
    padding: clamp(50px, 8vw, 120px) var(--contentPadding);
    text-align: center;
}

.links__grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
}

.links__btn {
    display: block;
    width: 100%;
    max-width: 300px;
    padding: clamp(14px, 2vw, 20px) 24px;
    border: 1px solid #ffffff;
    color: #ffffff;
    font-size: clamp(1.2rem, 1.5vw, 1.6rem);
    letter-spacing: 0.3em;
    text-align: center;
    transition: background-color 0.3s, color 0.3s;
}

.links__btn:hover {
    background-color: #ffffff;
    color: var(--primary-black);
}

@media screen and (min-width: 769px) {
    .links__grid {
        flex-direction: row;
        justify-content: center;
        gap: 30px;
    }
    .links__btn { max-width: 240px; }
}

/*==========================
footer
==========================*/

.footer {
    padding: 24px var(--contentPadding);
    text-align: center;
    border-top: 1px solid var(--primary-lightGrey);
    background-color: #ffffff;
}

.footer__copy {
    font-size: 1.1rem;
    letter-spacing: 0.1em;
    color: var(--primary-darkGrey);
}

/*==========================
animation
==========================*/

@media screen and (max-width: 768px) {
    .greeting__text,
    .detail__ticket-item,
    .detail__ticket-item--u18,
    .detail__ticketBtn,
    .program__name,
    .program__desc,
    .introduction__txt,
    .links__btn {
        font-size: 1.4rem;
    }

    .detail__info-item {
        font-size: 1.8rem;
        padding: 0;
    }

    .detail__col--ticket {
        width: 100%;
        padding-right: 96px;
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}