@charset "utf-8";

* {
    margin: 0;
    padding: 0;
}

:root {
    --base-font-size: 16px;
    --base-font-color: #000;
    --base-main-width: 1200px;
}

body {
    font-family: Helvetica, -apple-system, system-ui, sans-serif;
    font-size: var(--base-font-size);
    line-height: 1.4;
    color: var(--base-font-color);
}

a {
    color: var(--base-font-color);
    text-decoration: none;
    outline: none;
}

p {
    margin: 0.6em 0;
}

ul,
ol {
    list-style: none;
}

.navigation {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    min-width: var(--base-main-width);
    height: 60px;
    border-bottom: 2px solid #ff1832;
    background: url("//contentjp.fingerfun.co.jp/image/jpkof98/10anniversary/nav-bg.jpg") repeat-x left top;
}

.navigation h1 {
    position: relative;
    flex: none;
    width: 268px;
    height: 100%;
    font-size: 0;
    line-height: 0;
}

.navigation h1 img {
    position: absolute;
    top: 0;
    left: 0;
    width: 268px;
    height: 91px;
}

.navigation ul {
    flex: auto;
    display: flex;
    justify-content: flex-end;
    margin: 0 20px;
}

.navigation ul li {
    padding: 0 25px;
}

.navigation ul li a {
    display: block;
    font-size: 0;
    line-height: 0;
    transition: transform 0.3s ease;
}

.navigation ul li a:hover {
    transform: scale(1.1);
}

.top {
    width: 57px;
    height: 20px;
    background: url("//contentjp.fingerfun.co.jp/image/jpkof98/10anniversary/nav-sprite.png") no-repeat 0 0;
}

.special {
    width: 151px;
    height: 20px;
    background: url("//contentjp.fingerfun.co.jp/image/jpkof98/10anniversary/nav-sprite.png") no-repeat -57px 0;
}

.news {
    width: 76px;
    height: 20px;
    background: url("//contentjp.fingerfun.co.jp/image/jpkof98/10anniversary/nav-sprite.png") no-repeat -208px 0;
}

.sns {
    width: 195px;
    height: 20px;
    background: url("//contentjp.fingerfun.co.jp/image/jpkof98/10anniversary/nav-sprite.png") no-repeat -285px 0;
}

.website {
    width: 265px;
    height: 20px;
    background: url("//contentjp.fingerfun.co.jp/image/jpkof98/10anniversary/nav-sprite.png") no-repeat -480px 0;
}

.active .top {
    background-position: 0 -20px;
}

.active .special {
    background-position: -57px -20px;
}

.active .news {
    background-position: -208px -20px;
}

.active .sns {
    background-position: -285px -20px;
}

.twitter {
    flex: none;
    display: block;
}

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

.header {
    position: relative;
    min-width: var(--base-main-width);
    height: 1080px;
    margin: 0 auto;
    background: #f6e464 url("//contentjp.fingerfun.co.jp/image/jpkof98/10anniversary/head-bg.jpg") no-repeat center top;
}

.header-logo {
    position: absolute;
    inset: 350px auto auto 180px;
    overflow: hidden;
    mask: url("//contentjp.fingerfun.co.jp/image/jpkof98/10anniversary/head-logo.png") 0 0/100%;
}

.header-logo::after {
    content: "";
    position: absolute;
    inset: -20%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0) 30%, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0) 70%);
    transform: translate(85%, 85%);
    animation: lightSweep 3.5s ease-in-out infinite;
}

.header-logo img,
.header-titles img {
    display: block;
    width: 100%;
    height: auto;
}

.header-titles {
    position: absolute;
    bottom: 50px;
    left: 70px;
}

.header-titles h3 {
    position: relative;
    overflow: hidden;
    mask: url("//contentjp.fingerfun.co.jp/image/jpkof98/10anniversary/head-title1.png") 0 0/100%;
}

.header-titles h3::after {
    content: "";
    position: absolute;
    inset: 0 auto 0;
    width: 120px;
    background: linear-gradient(90deg, rgba(222, 24, 50, 0.1) 3%, rgba(222, 24, 50, 1), rgba(222, 24, 50, 0.1) 97%);
    transform: translateX(-120px);
    animation: lightMove 4s linear infinite;
}

.header-titles h4 {
    position: relative;
    margin-top: 20px;
    overflow: hidden;
    mask: url("//contentjp.fingerfun.co.jp/image/jpkof98/10anniversary/head-title2.png") 0 0/100%;
}

.header-titles h4::after {
    content: "";
    position: absolute;
    inset: 0 auto 0;
    width: 120px;
    background: linear-gradient(90deg, rgba(222, 24, 50, 0.1) 3%, rgba(222, 24, 50, 1), rgba(222, 24, 50, 0.1) 97%);
    transform: translateX(615px);
    animation: lightMove 4s linear infinite reverse;
}

.section1 {
    min-width: var(--base-main-width);
    height: 797px;
    margin: 0 auto;
    background: #dc1832 url("//contentjp.fingerfun.co.jp/image/jpkof98/10anniversary/section1-bg.jpg") no-repeat center top;
    scroll-margin-top: 62px;
}

.section1 article,
.section2 article,
.section3 article {
    position: relative;
    z-index: 1;
    width: 1200px;
    margin: 0 auto;
}

.section1 article {
    padding-top: 130px;
}

.sec1-countdown {
    position: relative;
    width: 658px;
    height: 307px;
    margin: 0 auto;
    padding: 80px 0 0 114px;
    text-align: center;
    background: url("//contentjp.fingerfun.co.jp/image/jpkof98/10anniversary/sec1-countdown.png") no-repeat center top;
    box-sizing: border-box;
}

.sec1-countdown h2 {
    font-size: 120px;
    letter-spacing: 95px;
    color: #fff;
}

.sec1-countdown aside {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    transform: translate(-180px, 120px);
    animation: fireMove 4s linear infinite;
}

.sec1-countdown aside img {
    display: block;
    width: 100%;
    height: auto;
}

.countdown-animate {
    animation: countdownAnimate 5s ease infinite;
}

.sec1-text {
    margin: 130px auto 0;
    text-align: center;
}

.section2 {
    position: relative;
    min-width: var(--base-main-width);
    height: 731px;
    margin: 0 auto;
    padding-top: 70px;
    background: url("//contentjp.fingerfun.co.jp/image/jpkof98/10anniversary/section2-bg.jpg") repeat;
    box-sizing: border-box;
    scroll-margin-top: 62px;
}

.section2 h2 {
    opacity: 0;
    width: 337px;
    height: 83px;
    margin: 0 auto;
    font-size: 0;
    line-height: 0;
    background: url("//contentjp.fingerfun.co.jp/image/jpkof98/10anniversary/sec2-title.png") no-repeat center top;
}

.sec2-bg-animation {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 0;
    height: 107px;
    background: url("//contentjp.fingerfun.co.jp/image/jpkof98/10anniversary/sec2-bg-animate.png") repeat-x 0 0;
    animation: bgMove 15s linear infinite;
}
.sec3-bg-animation {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 0;
    height: 107px;
    background: url("//contentjp.fingerfun.co.jp/image/jpkof98/10anniversary/sec3-bg-animate.png") repeat-x 0 0;
    animation: bgMove 15s linear infinite reverse;
}

.sec2-content {
    position: relative;
    margin-top: 40px;
}

.news-header {
    width: 300px;
    height: 320px;
}

.news-header img {
    display: block;
    width: 100%;
    height: 100%;
}

.news-content {
    margin-top: 20px;
}

.news-content time {
    display: block;
    font-size: 14px;
    color: #d91832;
}

.news-content h3 {
    margin-top: 4px;
    font-size: 18px;
}

.section3 {
    position: relative;
    min-width: var(--base-main-width);
    height: 711px;
    margin: 0 auto;
    padding-top: 70px;
    background: url("//contentjp.fingerfun.co.jp/image/jpkof98/10anniversary/section3-bg.jpg") repeat;
    box-sizing: border-box;
    scroll-margin-top: 62px;
}

.section3 h2 {
    opacity: 0;
    width: 637px;
    height: 61px;
    margin: 0 auto 70px;
    font-size: 0;
    line-height: 0;
    background: url("//contentjp.fingerfun.co.jp/image/jpkof98/10anniversary/sec3-title.png") no-repeat center top;
}

.footer {
    border-top: 2px solid #ff1832;
    color: #fff;
    background-color: #000;
}

.footer a {
    color: #fff;
}

.footer article {
    display: flex;
    align-items: center;
    width: 1200px;
    margin: 0 auto;
    padding: 25px 0;
}

.footer .logos {
    flex: none;
    width: 460px;
    height: 62px;
    background: url("//contentjp.fingerfun.co.jp/image/jpkof98/10anniversary/foot-logo.png") no-repeat left top;
}

.footer .text {
    flex: auto;
    margin-left: 40px;
}

.list-sns {
    display: flex;
    justify-content: center;
}

.list-sns li {
    margin: 0 25px;
}
.list-sns li a {
    display: block;
    transition: transform 0.3s ease;
}
.list-sns li a:hover {
    transform: scale(1.1);
}
.list-sns li img {
    display: block;
    width: 100%;
    height: auto;
}

.list-button {
    display: flex;
    justify-content: center;
    margin-top: 50px;
}

.list-button li {
    margin: 0 25px;
}

.list-button li a {
    display: block;
}

.swiper {
    width: 1050px;
    padding: 10px 0 15px 0;
    overflow: hidden;
}

.swiper-slide {
    padding: 15px;
    background-color: #f2f2f2;
    box-sizing: border-box;
    transition: background-color 0.4s ease, box-shadow 0.4s ease;
}

.swiper-slide:hover {
    background-color: #f5dc41;
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
}

.arrow-prev {
    position: absolute;
    left: 0;
    top: 50%;
    z-index: 2;
    width: 38px;
    height: 71px;
    background: url("//contentjp.fingerfun.co.jp/image/jpkof98/10anniversary/arrow-left.png") no-repeat center center;
    background-size: 100% 100%;
    cursor: pointer;
    transform: translateY(-50%);
    transition: transform 0.3s ease;
}

.arrow-prev:hover {
    transform: scale(1.1) translateY(-50%);
}

.arrow-next {
    position: absolute;
    right: 0;
    top: 50%;
    z-index: 2;
    width: 38px;
    height: 71px;
    background: url("//contentjp.fingerfun.co.jp/image/jpkof98/10anniversary/arrow-right.png") no-repeat center center;
    background-size: 100% 100%;
    cursor: pointer;
    transform: translateY(-50%);
    transition: transform 0.3s ease;
}

.arrow-next:hover {
    transform: scale(1.1) translateY(-50%);
}

.arrow-prev.swiper-button-disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.arrow-next.swiper-button-disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.animate-button {
    animation: buttonAnimate 1s ease-in-out infinite alternate;
}
.animate-button:hover {
    animation-play-state: paused;
}

@keyframes lightSweep {
    0% {
        transform: translate(85%, 85%);
    }

    100% {
        transform: translate(-85%, -85%);
    }
}

@keyframes lightMove {
    0% {
        transform: translateX(-120px);
    }

    100% {
        transform: translateX(615px);
    }
}

@keyframes fireMove {
    0% {
        opacity: 0;
        transform: translate(-180px, 120px);
    }

    50% {
        opacity: 1;
    }

    100% {
        opacity: 0;
        transform: translate(480px, -220px);
    }
}

@keyframes countdownAnimate {

    0%,
    45% {
        transform: scale3d(1, 1, 1);
    }

    55% {
        transform: scale3d(0.9, 0.9, 0.9) rotate3d(0, 0, 1, -3deg);
    }

    60%,
    66%,
    72%,
    78% {
        transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, 3deg);
    }

    63%,
    69%,
    75%,
    81% {
        transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, -3deg);
    }

    85% {
        transform: scale3d(1, 1, 1);
    }
}

@keyframes bgMove {
    from {
        background-position-x: 0;
    }

    to {
        background-position-x: -1910px;
    }
}

@keyframes buttonAnimate {
    from {
        transform: scale(1);
    }

    to {
        transform: scale(1.08);
    }
}