@charset "utf-8";

/* header */
.header {
    background-color: transparent;
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    width: 100%;
    height: var(--header-height);
    z-index: 100;
}
.header-content {
    display: flex;
    width: 100%;
    max-width: 2560px;
    margin: 0 auto;
    padding: var(--header-content-padding);
    box-sizing: border-box;
}
.header-logo {
    width: var(--header-logo-width);
}
.header-logo-link {
    display: block;
}
.header-links {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--header-links-gap);
    /* 20px; */
    margin-left: auto;
}
.header-link {
    background-repeat: no-repeat;
    background-position: 0 0;
    background-size: contain;
    display: flex;
    align-items: center;
    justify-content: center;
    /* width: var(--header-links-width-and-height);
  height: var(--header-links-width-and-height); */
    width: var(--header-links-width-and-height);
    height: var(--header-links-width-and-height);
    transition: background-image 0.25s;
}
.header-facebook-link {
    background-image: url(../images/header-link-facebook.png);
}
.header-facebook-link:hover {
    background-image: url(../images/header-link-facebook-active.png);
}
.header-youtube-link {
    background-image: url(../images/header-link-youtube.png);
}
.header-youtube-link:hover {
    background-image: url(../images/header-link-youtube-active.png);
}
.header-bahamut-link {
    background-image: url(../images/header-link-bahamut.png);
}
.header-bahamut-link:hover {
    background-image: url(../images/header-link-bahamut-active.png);
}
.header-background-music {
    display: flex;
    align-items: center;
}
.button-bgm {
    border: 0;
    background-color: transparent;
    background-repeat: no-repeat;
    background-position: 0 0;
    background-size: contain;
    width: var(--header-button-bgm-width);
    height: var(--header-button-bgm-height);
}
.button-ready-bgm {
    background-image: url(../images/bgm-ready.png);
}
.button-pause-bgm {
    display: none;
    background-image: url(../images/bgm-pause.png);
}
.button-play-bgm {
    display: none;
    background-image: url(../images/bgm-play.png);
}
.header.game-introduce .button-ready-bgm {
    background-image: url(../images/bgm-ready-dark.png);
}
.header.game-introduce .button-pause-bgm {
    display: none;
    background-image: url(../images/bgm-pause-dark.png);
}
.header.game-introduce .button-play-bgm {
    display: none;
    background-image: url(../images/bgm-play-dark.png);
}
.header-background-music.playing .button-ready-bgm,
.header-background-music.playing .button-pause-bgm {
    display: none;
}
.header-background-music.playing .button-play-bgm {
    display: block;
}
.header-background-music.pause .button-ready-bgm,
.header-background-music.pause .button-ready-bgm {
    display: none;
}
.header-background-music.pause .button-pause-bgm {
    display: block;
}

.header-links .link-webshop {
    background: url(../images/link-webshop.png) no-repeat 0 0 / cover;
    position: absolute;
    top: 5.86vw;
    right: 0;
    width: var(--header-link-webshop-width);
    height: var(--header-link-webshop-height);
}