@charset "UTF-8";

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Avenir','Helvetica Neue','Helvetica','Arial','Hiragino Sans','ヒラギノ角ゴシック',YuGothic,'Yu Gothic','メイリオ', Meiryo,'ＭＳ Ｐゴシック','MS PGothic',sans-serif;;
}

:root {
    --theme-color: #fff;
    --theme-color-2: #eee;
    --font-color: #000;
    --shadow-color: rgba(0, 0, 0, 0.2);
    --comment-circle-color: #FF7F50;
    --comment-wrapper-height: 48px;
}

body {
    width: 100vw;
    min-height: calc(100vh - 64px);
    background-color: var(--theme-color);
    overflow: auto;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    padding: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 64px;
    background-color: var(--theme-color);
    box-shadow: 0 4px 6px var(--shadow-color);
    z-index: 1;
}

main {
    margin-top: 64px;
}

footer {
    width: 100%;
    height: 64px;
}

#url {
    padding: 4px;
    width: 250px;
    height: 1.5em;
    font-size: 16px;
}

#url::placeholder {
    padding: 4px 0;
    font-size: 16px;
}

#error {
    margin-top: 4px;
    color: #FF4C4C;
    font-size: 10px;
    font-weight: bold;
}

#player {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100vw;
    height: calc(100vw / 16 * 9);
    background-color: #000;
}

#comment_circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: conic-gradient(var(--comment-circle-color) 0deg, var(--theme-color) 0deg);
    border-radius: 50%;
    z-index: 2;
}

#comment_image {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    z-index: 3;
}

#comment {
    width: 100%;
    color: var(--font-color);    
    line-height: 1em;
    transition: transform 0.5s ease;
    will-change: transform;
}

#comment a {
    color: #00BFFF;
    text-decoration: none;
}

.header__item label {
    position: relative;
    margin-top: 4px;
    display: block;
    color: var(--font-color);
    font-size: 14px;
}

.header__item label:first-of-type {
    margin-top: 0;
}

.header__item label select {
    position: absolute;
    top: 50%;
    left: 100px;
    transform: translateY(-50%);
    padding: 2px;
    width: 75px;
    font-size: 12px;
    color: #000;
    background-color: #fff;
    border: 1px solid rgb(133, 133, 133);
    border-radius: 5px;
}

.header__button {
    width: 48px;
    height: 48px;
    color: var(--font-color);
    background-color: var(--theme-color);
    border: none;
}

.player__wrapper {
    display: flex;
    justify-content: center;
}

.comment__wrapper {
    display: none;
    background-color: var(--theme-color);
}

.comment__image {
    position: relative;
    margin: 0 4px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: var(--comment-wrapper-height);
    height: var(--comment-wrapper-height);
}

.comment__display {
    width: calc(100% - var(--comment-wrapper-height));
    height: var(--comment-wrapper-height);
    font-size: 20px;
    border-top: 4px solid var(--theme-color);
    border-bottom: 4px solid var(--theme-color);
    overflow: hidden;
}

.footer__link {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    color: var(--font-color);
    background-color: var(--theme-color);
    text-decoration-color: var(--font-color);
    text-decoration-line: none;
}

.display-none {
    display: none !important;
}