/* -------------------------------------------------
  base
------------------------------------------------- */

:root {
  --text-base-color: #1a1a1a;
}

html {
  font-size: 62.5%;
}

body {
  font-family: "Noto Sans JP", "游ゴシック体", "YuGothic", "游ゴシック", "Yu Gothic", "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "メイリオ", "Meiryo", sans-serif;
  font-optical-sizing: auto;
  font-style: normal;
  text-align: center;
  color: var(--text-base-color);
  font-weight: 400;
  line-height: 1.9;
}

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


/* -------------------------------------------------
  style
------------------------------------------------- */

.inner {
  width: min(100%, calc(1200px + 9vw));
  margin-inline: auto;
  padding: 0 4.5vw;
  box-sizing: border-box;
}

main {
  overflow: hidden;
}

h1 {
  width: min(720px, 100%);
  margin: 0 auto 48px;
  cursor: pointer;
}

section {
  padding: 80px 0;
}

.loader {
  position: fixed;
  inset: 0;
  z-index: 9998;
  background-color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.loader-text {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 700;
  font-size: 6.8rem;
  line-height: 1.6;
  opacity: 0;
}

.loader-text .gradient-text {
  background: linear-gradient(90deg, #00A7E1, #FF8C42);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.spotlight {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 100vh;
  z-index: 9999;
  pointer-events: none;
  --inner: 0px;
  --outer: 0px;
  background-image: radial-gradient(
    circle var(--outer) at 50% 50%,
    transparent var(--inner),
    #000
  );
}

.loader-logo-wrapper {
  opacity: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(500px, 60vw);
  perspective: 1000px;
}

.loader-logo {
  width: 100%;
  height: auto;
  transform-style: preserve-3d;
  will-change: transform;
}

.fv-text {
  font-size: clamp(3rem, 6vw, 6.8rem);
  font-weight: 900;
  line-height: 1.4;
  margin-bottom: 128px;
}

.fv-text span {
  background: linear-gradient(90deg, #00a7e1 0%, #00c8e8 33%, #ffd166 100%);
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-fill-color: transparent;
}

.text {
  font-size: 2rem;
}

.lead {
  position: relative;
  font-weight: 700;
  margin: 144px 0 64px;
}

.lead .bg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: max(90%, 600px);
  height: 200%;
  pointer-events: none;
}

.lead .bg div {
  width: 100%;
  height: 100%;
  background: radial-gradient(850px 650px at 48% 50%, rgba(0, 167, 225, 0.08) 0%, rgba(255, 209, 102, 0.06) 50%, rgba(255, 140, 66, 0.04) 70%, transparent 100%);
  border-radius: 68% 32% 47% 53% / 55% 38% 62% 45%;
  transform: none;
  filter: blur(1px);
  opacity: 1;
}

.lead > p {
  display: block;
  line-height: 1.75;
  width: fit-content;
  margin: auto;
  will-change: transform, opacity;
}

.lead > p:nth-of-type(1) {
  font-size: clamp(2.2rem, 4.5vw, 5.2rem);
}

.lead > p:nth-of-type(1) span {
  position: relative;
  background: linear-gradient(90deg, #00A7E1, #FF8C42);
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-fill-color: transparent;
  --scale-x: 0;
}

.lead > p:nth-of-type(1) span::before {
  position: absolute;
  content: '';
  left: 50%;
  transform: translateX(-50%) scaleX(var(--scale-x));
  transform-origin: center;
  bottom: -4px;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #00A7E1 0%, #FF8C42 100%);
}

.lead > p:nth-of-type(2) {
  font-size: clamp(2rem, 4vw, 4.6rem);
}

.btn {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
  background-color: #000;
  width: fit-content;
  margin: 80px auto;
  padding: 20px 32px;
  border-radius: 48px;
  box-shadow: 0px 4px 12px 0px rgba(0, 0, 0, 0.35);
}

.bottom-text {
  font-size: 2.2rem;
  margin-bottom: 128px;
}

.text,
.bottom-text {
  will-change: transform, opacity;
}

footer {
  padding: 48px 24px;
  border-top: 1px solid #e5e7eb;
  box-shadow: inset 0px 2px 4px 0px rgba(0, 0, 0, 0.02);
}

.media-name {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.media-name .icon {
  display: grid;
  place-items: center;
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-image: linear-gradient(to bottom right in oklab, #00a7e1, #ffd166);
}

footer small {
  font-size: 1.4rem;
  color: #6b7280;
}



/* -------------------------------------------------
  responsive
------------------------------------------------- */

@media (width < 768px) {
  section {
    padding: 70px 0 0;
  }

  .loader-text {
    font-size: 3rem;
  }

  .fv-text,
  .bottom-text {
    margin-bottom: 80px;
  }

  .text {
    font-size: 1.6rem;
  }

  .lead {
    margin-top: 110px;
  }

  .lead .bg {
    height: 250%;
  }

  .lead > p:nth-of-type(1) span::before {
    height: 2px;
  }

  .btn {
    font-size: 1.4rem;
  }

  .bottom-text,
  .media-name {
    font-size: 1.8rem;
  }

  footer small {
    font-size: 1.2rem;
  }
}