/* http://meyerweb.com/eric/tools/css/reset/ 
   v2.0 | 20110126
   License: none (public domain)
*/
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
  display: block;
}

body {
  line-height: 1;
}

ol, ul {
  list-style: none;
}

blockquote, q {
  quotes: none;
}

blockquote:before, blockquote:after,
q:before, q:after {
  content: "";
  content: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

:root {
  --color-black: #000000;
  --color-white: #FFFFFF;
  --color-gray: #CCCCCC;
  --color-transparent: transparent;
  --color-brand-blue-dark: #7E93C0;
  --color-brand-blue-light: #E2EBFE;
  --color-brand-blue-default: #5991FA;
}

:root {
  --color-body-bg: var(--color-white);
  --color-body-help-bg: var(--color-brand-blue-default);
  --color-content-bg: var(--color-transparent);
  --color-bg-welcome: var(--color-brand-blue-default);
  --color-bg-brand-light: var(--color-brand-blue-light);
  --color-bg-brand-dark: var(--color-brand-blue-dark);
  --color-bg-brand-rgb: rgb(126, 147, 192);
  --color-text: var(--color-black);
  --color-border: var(--color-black);
  --color-border-hover: rgba(0, 0, 0, 0.3);
  --color-button-bg: var(--color-black);
  --color-button-txt: var(--color-white);
  --color-button-bg-inverted: var(--color-white);
  --color-button-txt-inverted: var(--color-black);
  --color-button-bg-hover: rgba(0, 0, 0, 0.1);
  --color-button-container-bg: var(--color-black);
  --color-button-container-border: rgba(255, 255, 255, 0.1);
  --color-countdown-background: #000;
  --color-countdown-text: #fff;
  --color-countdown-background-pause: var(--color-brand-blue-default);
  --color-primary: #007AFF;
  --color-primary-dark: #0056CC;
  --color-success: #34C759;
  --color-success-dark: #28A745;
}

:root {
  --opacity-character-inactive: 0.3;
  --opacity-character-active: 1;
}

:root {
  --font-family: "Circular", -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-family-mono: "Ingram Mono", "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;
  --font-size-large: 32px;
  --font-size-base: 16px;
  --font-size-text: 24px;
  --font-size-small: 13px;
  --font-size-header: var(--font-size-small);
  --font-size-countdown: var(--font-size-text);
  --font-size-button: 14px;
  --font-size-subtitle: var(--font-size-small);
  --font-size-character: var(--font-size-large);
  --letter-spacing-text: -1px;
  --font-weight-normal: 400;
}

:root {
  --line-height-base: 1.10;
  --line-height-md: 1.6;
  --line-height-text: var(--line-height-base);
  --line-height-subtitle: var(--line-height-md);
}

:root {
  --spacing-xs: 0.625rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1.25rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 1.875rem;
  --spacing-2xl: 2rem;
}

:root {
  --padding-body: 1.5em;
  --padding-button: 0.75rem 1.5rem;
}

:root {
  --margin-text-bottom: 30px;
  --margin-button-bottom: 2em;
}

:root {
  --max-width-player: 600px;
  --max-width-subtitle: 280px;
  --text-display-height: 120px;
  --text-display-height-mobile: calc(100vh - 120px);
  --text-display-min-height-mobile: 200px;
  --br-sm: 2px;
  --br-md: 4px;
  --br-lg: 6px;
  --br-round: 100px;
}

:root {
  --transition-fast: 200ms;
  --transition-normal: 300ms;
  --transition-slow: 400ms;
  --transition-slower: 800ms;
  --transition-slowest: 1500ms;
  --transition-timing: ease-in-out;
  --transition-timing-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

:root {
  --z-index-button-container: 1000;
}

@font-face {
  font-family: "Circular";
  src: url("/fonts/CircularStd-Book.woff2") format("woff2"), url("/fonts/CircularStd-Book.woff") format("woff"), url("/fonts/CircularStd-Book.otf") format("opentype");
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Ingram Mono";
  src: url("/fonts/Ingram-Mono-Regular.woff2") format("woff2"), url("/fonts/Ingram-Mono-Regular.woff") format("woff"), url("/fonts/Ingram-Mono-Regular.otf") format("opentype");
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}
button {
  background-color: transparent;
  border: none;
  margin: 0;
  padding: 0;
  text-align: inherit;
  font: inherit;
  border-radius: 0;
  appearance: none;
}

.button {
  display: flex;
  width: 100%;
  height: 4.5rem;
  max-width: var(--max-width-player);
  justify-content: center;
  align-items: center;
  padding: var(--padding-button);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-button);
  font-weight: var(--font-weight-normal);
  background: var(--color-button-bg);
  color: var(--color-button-txt);
  cursor: pointer;
  text-transform: uppercase;
  transition: opacity var(--transition-normal) var(--transition-timing), visibility var(--transition-normal) var(--transition-timing);
  overflow: hidden;
  user-select: none;
  visibility: hidden;
  opacity: 0;
}
.button.is-visible {
  visibility: visible;
  opacity: 1;
}
.button.is-secondary {
  background: transparent;
  color: var(--color-button-txt-inverted);
  text-decoration: underline;
}
.button.is-secondary:hover, .button.is-secondary:active {
  background: transparent;
  color: var(--color-button-txt-inverted);
}
.button:active {
  background: var(--color-button-bg);
  color: var(--color-button-txt);
}
.button__text {
  position: relative;
  z-index: 2;
}

.overlays {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  z-index: 2;
}
.overlays.is-visible {
  opacity: 1;
  visibility: visible;
}
.overlays__item {
  position: absolute;
  cursor: move;
  touch-action: none;
  user-select: none;
  pointer-events: auto;
  transition: opacity var(--transition-slow) var(--transition-timing), transform var(--transition-slow) var(--transition-timing);
  opacity: 0;
}
.overlays__item--1 {
  background: url("/img/shape_01.svg") center/cover;
}
.overlays__item--2 {
  background: url("/img/shape_02.svg") center/cover;
}
.overlays__item--3 {
  background: url("/img/shape_03.svg") center/cover;
}
.overlays__item.is-animated-in {
  opacity: 1;
  transition: opacity var(--transition-slow) var(--transition-timing), transform var(--transition-slow) var(--transition-timing);
}

.sentence {
  display: inline;
  margin-bottom: 1em;
  line-height: normal;
  opacity: 0;
  transition: opacity var(--transition-slow) var(--transition-timing);
}
.sentence:last-child {
  margin-bottom: 0;
}
.sentence.is-visible {
  opacity: 1;
}

@media (max-width: 768px) {
  .sentence {
    line-height: normal;
  }
}
.is-mobile-safari .countdown {
  bottom: 2em;
}

.countdown {
  position: absolute;
  bottom: 2em;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 17.125rem;
  padding: 0 2em;
  transition: opacity var(--transition-slower) var(--transition-timing), visibility var(--transition-slower) var(--transition-timing);
  opacity: 0;
  visibility: hidden;
  z-index: 2;
}
.countdown__prev {
  background: url("/img/prev.svg") no-repeat center center;
  background-size: contain;
}
.countdown__next {
  background: url("/img/next.svg") no-repeat center center;
  background-size: contain;
}
.countdown__prev, .countdown__next {
  width: 1.3125rem;
  height: 1.3125rem;
  transition: opacity var(--transition-slower) var(--transition-timing), visibility var(--transition-slower) var(--transition-timing);
  cursor: pointer;
}
.countdown__prev.is-hidden, .countdown__next.is-hidden {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}
.countdown__main {
  position: relative;
  width: 104px;
  height: 104px;
  cursor: pointer;
  transition: transform 0.2s ease;
}
.countdown__main:hover {
  transform: scale(1.05);
}
.countdown__main:active {
  transform: scale(0.95);
}
.countdown__main.is-paused .countdown__mainLabel {
  opacity: 0;
}
.countdown__main.is-paused .countdown__mainPlay {
  visibility: visible;
  opacity: 1;
}
.countdown__progress-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}
.countdown__progress-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.2);
  stroke-width: 4;
}
.countdown__progress-fill {
  fill: none;
  stroke: #5991FA;
  stroke-width: 4;
  stroke-dasharray: 283;
  stroke-dashoffset: 283;
  transition: stroke-dashoffset 0.1s linear;
}
.countdown__main-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  width: 80px;
  height: 80px;
  justify-content: center;
  align-items: center;
  font-family: inherit;
  font-size: var(--font-size-countdown);
  font-weight: var(--font-weight-normal);
  background: var(--color-countdown-background);
  color: var(--color-countdown-text);
  border-radius: var(--br-round);
  border: none;
  cursor: pointer;
  text-transform: uppercase;
  transition: all var(--transition-normal) var(--transition-timing);
  user-select: none;
}
.countdown__main-content:hover {
  background: #333;
}
.countdown__main.is-paused .countdown__main-content {
  background-color: var(--color-countdown-background-pause);
}
.countdown__mainLabel {
  opacity: 1;
  transition: opacity var(--transition-normal) var(--transition-timing), visibility var(--transition-normal) var(--transition-timing);
  user-select: none;
  pointer-events: none;
}
.countdown__mainPlay {
  position: absolute;
  margin-left: 0.4rem;
  width: 1.3125rem;
  height: 1.3125rem;
  visibility: hidden;
  opacity: 0;
  transition: opacity var(--transition-normal) var(--transition-timing), visibility var(--transition-normal) var(--transition-timing);
  background: url("/img/play.svg") no-repeat center center;
  background-size: contain;
}
.countdown__main.is-paused .countdown__mainLabel {
  opacity: 0;
}
.countdown__main.is-paused .countdown__mainPlay {
  visibility: visible;
  opacity: 1;
}

.character {
  display: inline-block;
  font-size: var(--font-size-character);
  transition: opacity var(--transition-slow) var(--transition-timing-smooth);
  opacity: var(--opacity-character-inactive);
  user-select: none;
  margin-right: 0.05em;
}
.character.is-space {
  display: none;
}
.character.is-visible {
  opacity: var(--opacity-character-active);
}

.is-mobile-safari .header {
  top: 4rem;
}

.header {
  font-family: var(--font-family-mono);
  position: absolute;
  top: 7rem;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  padding: 0 var(--padding-body);
  text-transform: uppercase;
  user-select: none;
  z-index: 10;
}
.header > div {
  font-size: var(--font-size-header);
}

.is-mobile-safari .player {
  bottom: 0;
}
.is-mobile-safari .player__close {
  top: 2rem;
}

.player {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  top: 1rem;
  bottom: 1rem;
  padding: var(--padding-body) var(--padding-body) 2.5em var(--padding-body);
  max-width: var(--max-width-player);
  transition: opacity var(--transition-slower) var(--transition-timing), visibility var(--transition-slower) var(--transition-timing);
  opacity: 0;
  visibility: hidden;
}
.player .button {
  z-index: 1000;
}
.player__gradient.is-top {
  position: absolute;
  width: 100%;
  height: 170px;
  top: 0;
  left: 0;
  background: linear-gradient(180deg, rgb(252, 255, 253) 79%, rgba(255, 255, 255, 0) 100%);
  pointer-events: none;
  z-index: 1;
}
.player__gradient.is-bottom {
  position: absolute;
  width: 100%;
  height: 300px;
  bottom: -1px;
  left: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgb(255, 255, 255) 65%);
  pointer-events: none;
  z-index: 1;
}
.player__text {
  width: 100%;
  height: 100%;
  line-height: var(--line-height-text);
  font-weight: var(--font-weight-normal);
  letter-spacing: var(--letter-spacing-text);
  transition: opacity var(--transition-slower) var(--transition-timing), visibility var(--transition-slower) var(--transition-timing), background-color var(--transition-normal) var(--transition-timing);
  top: 7rem;
  padding-top: 1em;
  padding-bottom: 8rem;
  overflow: hidden;
  overflow-y: scroll;
  position: relative;
  max-height: 70vh;
  user-select: none;
}
.player__text.is-hidden {
  visibility: hidden;
  opacity: 0;
}
.player__text .character.is-space:first-child {
  display: none;
}
.player__content {
  height: var(--text-display-height);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  width: 100%;
  height: 100%;
  text-align: left;
  user-select: none;
}
.player__close {
  position: absolute;
  width: 1.125rem;
  height: 1.125rem;
  top: 3.4375rem;
  right: 1.5rem;
  border: none;
  font-size: 1.5em;
  line-height: 1;
  cursor: pointer;
  color: var(--color-text);
  transition: color var(--transition-normal) var(--transition-timing);
  background: url("/img/close.svg") no-repeat center center;
  background-size: contain;
  z-index: 100000;
}
.player__close:hover {
  color: var(--color-success-dark);
}

.spinner {
  position: fixed;
  width: 100vw;
  height: 100vh;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  /* backdrop-filter: blur(10px); */
  transition: opacity var(--transition-normal) var(--transition-timing);
  z-index: var(--z-index-button-container);
}
.spinner.is-hidden {
  opacity: 0;
  pointer-events: none;
}
.spinner .spinner {
  position: relative;
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-brand-blue-light);
  border-top: 3px solid var(--color-brand-blue-dark);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@media (max-width: 768px) {
  .spinner {
    padding: var(--spacing-md);
  }
  .spinner .spinner {
    width: 32px;
    height: 32px;
    border-width: 2px;
  }
}
.is-mobile-safari .welcome__subtitle {
  padding-top: 2rem;
}
.is-mobile-safari .welcome__logo {
  max-height: 340px;
}

.welcome {
  width: 100%;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.35rem;
  flex-direction: column;
  overflow: hidden;
  max-width: var(--max-width-player);
  transition: opacity var(--transition-slow) var(--transition-timing), visibility var(--transition-slow) var(--transition-timing);
  padding: 0 var(--padding-body) 2.5rem var(--padding-body);
  opacity: 0;
  visibility: hidden;
}
.welcome__buttons {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  z-index: 100;
}
.welcome.is-visible {
  opacity: 1;
  visibility: visible;
}
.welcome__subtitle {
  font-family: var(--font-family-mono);
  padding: 7rem 0 0 0;
  max-width: var(--max-width-subtitle);
  font-size: var(--font-size-subtitle);
  text-transform: uppercase;
  line-height: var(--line-height-subtitle);
  user-select: none;
  z-index: 100;
}
.welcome__logo {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  max-height: 400px;
}
.welcome__logo .word {
  flex: 1;
  position: relative;
  height: 25%;
}
.welcome__logo .word:nth-child(1) {
  background: url("/img/ver.svg") no-repeat calc(100% - 0.4em) center;
  background-size: contain;
}
.welcome__logo .word:nth-child(2) {
  background: url("/img/lo.svg") no-repeat 2em center;
  background-size: contain;
}
.welcome__logo .word:nth-child(3) {
  background: url("/img/invisi.svg") no-repeat center center;
  background-size: contain;
}
.welcome__logo .word:nth-child(4) {
  background: url("/img/ble.svg") no-repeat 0.4em center;
  background-size: contain;
}

* {
  box-sizing: border-box;
}

html {
  height: 100%;
}

body {
  color: var(--color-text);
  font-family: var(--font-family);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  transition: background-color var(--transition-slower) var(--transition-timing);
  background: var(--color-body-bg);
}
body.is-welcome {
  background-color: var(--color-body-help-bg);
  background-image: url("/img/background.jpg");
}

.content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
  height: 100%;
  background: var(--color-content-bg);
}

.recommendation {
  display: none;
}

@media (min-width: 780px) {
  body {
    padding: 1em 0;
    background: #000 !important;
  }
  body.is-welcome .content {
    background-color: var(--color-body-help-bg);
    background-image: url("/img/background.jpg");
  }
  body .content {
    background: #fff;
  }
  .recommendation {
    display: block;
    font-family: var(--font-family-mono);
    color: #fff;
    font-size: 0.75rem;
    position: fixed;
    top: 50vh;
    white-space: nowrap;
  }
  .recommendation.is-left {
    left: 2rem;
    transform: rotate(-90deg) translateX(-50%);
    transform-origin: left bottom;
  }
  .recommendation.is-right {
    right: 2rem;
    transform: rotate(90deg) translateX(50%);
    transform-origin: right bottom;
  }
  .content,
  .overlays,
  .player {
    width: 400px;
  }
  .content,
  .player {
    overflow: hidden;
  }
  .overlays {
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
  }
}
@media (max-width: 768px) {
  body {
    justify-content: center;
  }
  .content {
    display: flex;
  }
}