@charset "UTF-8";

@import url('https://fonts.googleapis.com/css2?family=Cardo:ital,wght@0,400;0,700;1,400&family=Noto+Serif+JP:wght@200..900&display=swap');


@media screen and (min-width: 897px) {

    .sp {
        display: none !important;
    }

    .pc {
        display: block;
    }
}

@media screen and (max-width: 896px) {
    .pc {
        display: none !important;
    }

    .sp {
        display: block;
    }
}

:root {
    --english-text: "Cardo", serif;
    --title-font: "mystery-std", sans-serif;
}

html {
    scroll-behavior: smooth;
}

body,
html {
    position: relative;
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: "Noto Serif JP", serif;
    font-size: 16px;
    color: #ffffff;
}

.back {
    position: fixed;
    z-index: -1;
    display: block;
    width: 100%;
    height: 100vh;
    background-image: url(./img/back.jpg);
    background-size: cover;
}



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

.main {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.kv-content {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

.kv {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    color: #ffffff;
    max-width: 1500px;
    width: 90%;
    margin: 0 auto;
}

.kv-right {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.kv-right p:nth-child(1) {
    font-size: 20px;
}

.kv-right p:nth-child(1) span {
    font-family: var(--english-text);
}

.kv-date {
    position: relative;
    font-size: 40px;
    font-family: var(--english-text);
    font-weight: 400;
    padding-right: 32px;
    width: fit-content;
    margin: 0 auto 16px;
    letter-spacing: 0.03em;
}

.kv-date::before {
    content: "";
    position: absolute;
    top: 45%;
    right: 0;
    display: block;
    background: #ffffff;
    width: 24px;
    height: 1px;
}

.kv-date span {
    font-size: 20px;
    margin: 0 16px 0 6px;
}

.kv-right h1 {
    max-width: 600px;
    margin: 10px auto 20px;
    animation: horror-reveal 3s ease-out forwards;
    animation-delay: -1s;
    /* 1秒分すでに進んだ状態から始まる */
}

.kv-right h1 img {
    display: block;
    width: 100%;
    animation: horror-flicker 3s ease-out forwards;
    animation-delay: -1s;
    filter: brightness(0) opacity(0);
}

@keyframes horror-reveal {
    0% {
        opacity: 0;
        filter: blur(40px) brightness(0.2);
        transform: scale(1.05);
        text-shadow: 0 0 60px rgba(180, 0, 0, 0.8);
    }

    20% {
        opacity: 0.15;
        filter: blur(20px) brightness(0.3);
        transform: scale(1.03);
    }

    40% {
        opacity: 0.08;
        /* 一瞬引く */
        filter: blur(30px) brightness(0.1);
    }

    60% {
        opacity: 0.4;
        filter: blur(10px) brightness(0.5);
        transform: scale(1.01);
    }

    80% {
        opacity: 0.7;
        filter: blur(3px) brightness(0.8);
    }

    100% {
        opacity: 1;
        filter: blur(0px) brightness(1);
        transform: scale(1);
    }
}

@keyframes horror-flicker {
    0% {
        filter: brightness(0) opacity(0);
    }

    15% {
        filter: brightness(0.1) opacity(0.1) sepia(1) hue-rotate(-20deg);
    }

    35% {
        filter: brightness(0.05) opacity(0.05);
    }

    55% {
        filter: brightness(0.4) opacity(0.4) sepia(0.5);
    }

    75% {
        filter: brightness(0.7) opacity(0.7);
    }

    90% {
        filter: brightness(1.1) opacity(0.9);
    }

    100% {
        filter: brightness(1) opacity(1);
    }
}

.kv-start {
    font-size: 32px;
    font-family: var(--english-text);
    font-weight: 400;
}

.kv-left {
    text-align: right;
    font-size: 14px;
}

.kv-left p {
    font-family: var(--english-text);
    margin-top: 10px;
}

.content-info {
    font-size: 20px;
    width: 90%;
    margin: 0 auto;
    padding: 24px 32px;
    text-align: center;
    line-height: 180%;
    max-width: 1000px;
    border: 1px solid #878787;
    background: rgba(0, 0, 0, 0.4);
}

.section {
    padding: 80px 0 0;
}

.content {
    width: 90%;
    max-width: 1000px;
    margin: 0 auto;
}

.h2 {
    font-size: 24px;
    letter-spacing: 0.15em;
    font-family: var(--title-font);
    text-align: center;
    margin-bottom: 32px;
    overflow: visible;
}

.h2-char {
    display: inline-block;
    opacity: 0;
}

/* is-visibleが付いたら一斉にアニメーション開始 */
.h2.is-visible .h2-char {
    animation: letter-in 0.6s ease forwards;
    animation-delay: calc(var(--i) * 0.07s);
}

.h2-char.space {
    display: inline;
}

/* 各文字に異なる方向を割り当て（nthで振り分け） */
.h2-char:nth-child(3n+1) {
    --from-x: -30px;
    --from-y: -20px;
    --from-rotate: -15deg;
}

.h2-char:nth-child(3n+2) {
    --from-x: 20px;
    --from-y: 30px;
    --from-rotate: 10deg;
}

.h2-char:nth-child(3n) {
    --from-x: -15px;
    --from-y: 25px;
    --from-rotate: -8deg;
}

@keyframes letter-in {
    0% {
        opacity: 0;
        transform: translate(var(--from-x), var(--from-y)) rotate(var(--from-rotate));
        filter: blur(4px);
    }

    60% {
        opacity: 1;
        filter: blur(0px);
    }

    80% {
        transform: translate(-2px, -2px) rotate(1deg);
        /* 少しオーバーシュート */
    }

    100% {
        opacity: 1;
        transform: translate(0, 0) rotate(0deg);
        filter: blur(0px);
    }
}

.track-list {
    display: flex;
    align-items: center;
    flex-direction: column;
    gap: 20px;
    text-align: center;
}

.track-list li {
    display: flex;
    gap: 4px;
}

.button {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 40px auto 0;
    border: 1px solid #878787;
    padding: 10px 0;
    max-width: 300px;
    border-radius: 100px;
    background: rgba(0, 0, 0, 0.4);
    transition: all 0.2s ease;
}

.button:hover {
    background: #ffffff;
    color: #000000;
}

.coming {
    text-align: center;
}

.news {
    text-align: center;
}

.news li {
    padding: 24px;
    border-top: 1px solid #878787;
    border-bottom: 1px solid #878787;
}

.youtube iframe {
    aspect-ratio: 16 / 9;
}


.profile-box {
    display: flex;
    gap: 32px;
}

.profile-box div:nth-child(1) {
    width: 40%;
}

.profile-box div:nth-child(2) {
    width: 60%;
}

.profile-box div:nth-child(2) p {
    line-height: 150%;
    text-align: justify;
}

.sns-link {
    display: flex;
    gap: 20px;
    width: 100%;
    margin-top: 32px;
}

.sns-link li {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    min-height: 40px;
}

.sns-link li a {
    display: block;
    width: 100%;
    transition: all 0.2s ease;
}

.sns-link li a:hover {
    opacity: 0.6;
}

.sns-link li img {
    height: 30px;
    object-fit: contain;
}

.link {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.link a {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 80px;
    line-height: 130%;
    border: 1px solid #878787;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 40px;
    transition: all 0.2s ease;
}

.link a:hover {
    background: #ffffff;
    color: #000000;
}

.footer {
    background: #000000;
    margin-top: 80px;
    text-align: center;
    padding: 20px 0 8px;
}


@media (max-width: 896px) {

    .back {
        background-image: url(./img/back-sp.jpg);
        background-size: cover;
    }

    .kv {
        gap: 32px;
        padding: 48px 0;
        grid-template-columns: 1fr;
        max-width: 350px;
    }

    .kv-content {
        height: 100%;
    }

    .kv-right h1 {
        max-width: 300px;
    }

    .kv-right p:nth-child(1) {
        font-size: 16px;
    }

    .kv-date {
        font-size: 28px;
        margin: 0 auto 10px;
        padding-right: 24px;
    }

    .kv-date::before {
        width: 16px;
    }

    .kv-date span {
        font-size: 14px;
    }

    .kv-start {
        font-size: 24px;
    }



    .h2 {
        font-size: 20px;
    }

    .content {
        max-width: 500px;
    }

    .content-info {
        font-size: 16px;
        max-width: 500px;
    }

    .track-list {
        max-width: 250px;
        margin: 0 auto;
        text-align: left;
        align-items: flex-start;
    }

    .button {
        padding: 20px 0;
    }

    .profile-box {
        margin: 0 auto;
        flex-direction: column;
    }

    .profile-box div:nth-child(1) {
        width: 100%;
    }

    .profile-box div:nth-child(2) {
        width: 100%;
    }

    .profile-box div:nth-child(2) p {
        font-size: 14px;

    }

    .sns-link {
        justify-content: center;
    }

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