/* Created by Isobe Kenta (POLYGON) */

@charset "utf-8";

@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@500;700&family=Poppins:wght@500;600&display=swap");
@import url("https://fonts.googleapis.com/icon?family=Material+Icons");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  height: 100vh;
  width: 100%;

  --kendai-white: #ffffff;
  --kendai-gray1: #f5f5f7;
  --kendai-gray2: #6e6e73;
  --kendai-black: #1d1d1d;
  --kendai-yellow: #f2ee71;

  font-family: "Poppins", -apple-system, BlinkMacSystemFont, "Helvetica Neue",
    "Segoe UI", "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN",
    YuGothic, "游ゴシック体", sans-serif;

  letter-spacing: 0.02em;
}

/* ==============================================
    common elements
============================================== */

#container {
  background-color: var(--kendai-gray1);
  width: 100%;
  margin: auto;

  overflow-x: hidden;
}

#main {
  width: 100%;
  margin: auto;
  overflow-x: hidden;
}

@media screen and (min-width: 600px) {
  #main {
    width: 600px;
  }
}

img {
  border: none;
  height: auto;
  vertical-align: top;
  image-rendering: -webkit-optimize-contrast;
  max-width: 100%;
}

@keyframes fadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

/* ==============================================
    header
============================================== */

header {
  position: fixed;
  z-index: 10;
  top: 0;
  width: 100%;
  height: 80px;
  margin: 0;
  padding: 0;
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: saturate(180%) blur(20px) opacity(1);
  border-bottom: 3px solid var(--kendai-black);

  animation: headerSlideIn 0.6s cubic-bezier(0, 0, 0, 1);
  animation-fill-mode: both;
}

header #siteid {
  height: 40px;
  justify-content: flex-start;
  align-items: center;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  margin-left: 30px;
}

header .btn_form a {
  display: inline-block;
  background-color: var(--kendai-black);
  color: var(--kendai-white);
  font-weight: 700;
  font-size: 16px;
  padding: 5px 15px;
  line-height: 32px;
  border-radius: 32px;
  border: 3px solid var(--kendai-black);
  text-decoration: none;

  position: absolute;
  top: 50%;
  right: 30px;
  transform: translateY(-50%);
}

header .btn_form a:hover {
  background-color: var(--kendai-white);
  color: var(--kendai-black);
}

/* スマホ用設定 */
@media screen and (max-width: 600px) {
  header #siteid {
    height: 30px;
    margin-left: 20px;
  }

  header .btn_form a {
    font-size: 14px;
    padding: 0 10px;
    right: 20px;
  }

  .extractText {
    display: none;
  }
}

@keyframes headerSlideIn {
  0% {
    transform: translateY(-60px);
  }
  100% {
    transform: none;
  }
}

/* ==============================================
    #eyecatch
============================================== */

#eyecatch {
  height: 100vh;
  width: 100%;
  display: block;
  overflow: hidden;
  position: relative;
  margin-bottom: 50px;
  text-align: center;
}

#eyecatchImage {
  display: block;
  height: 100vh;
  width: 100%;

  object-fit: cover;
  position: absolute;
  overflow: hidden;
  z-index: 1;

  animation: fadeIn 1s linear 2s;
  animation-fill-mode: both;
}

#eyecatchOverlay {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  background-color: rgba(255, 255, 255, 0.7);
  backdrop-filter: saturate(130%) blur(6px) opacity(1);
  z-index: 2;
}

#eyecatchTitle {
  position: relative;
  width: 350px;
  height: 350px;
  padding: 20px;
  z-index: 3;

  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);

  animation: logoFadeIn 1s ease 1s;
  animation-fill-mode: both;
}

@keyframes logoFadeIn {
  0% {
    opacity: 0;
    transform: translate(-50%, -20%);
  }
  100% {
    opacity: 1;
    transform: translate(-50%, -50%);
  }
}

#eyecatchLogo {
  display: block;
  width: 100%;
  height: auto;
}

#eyecatchPhrase {
  position: absolute;
  width: 300px;
  top: -15%;
  left: 50%;
  transform: translateX(-50%);
}

/* スマホ用 */
@media screen and (max-width: 600px) {
  #eyecatchPhrase {
    width: 200px;
    top: 0;
  }
}

.arrowAnim {
  position: absolute;
  top: calc(100% - 100px);
  left: 50%;
  transform: translateX(-50%);

  width: 60px;
  height: 60px;
  background-color: var(--kendai-white);
  border: 4px solid var(--kendai-black);
  border-radius: 30px;
  z-index: 4;
}

.arrow {
  font-family: "Material Icons";
  font-weight: normal;
  display: block;
  font-size: 36px;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;

  animation: arrowAnimIn 2s cubic-bezier(0, 0, 0, 1) infinite,
    arrowAnimOut 2s cubic-bezier(1, 0, 1, 1) infinite;
  animation-fill-mode: both;
}

.arrowAnim::before {
  content: "Scroll";
  font-size: 18px;
  font-weight: 700;
  color: var(--kendai-black);

  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
}

@keyframes arrowAnimIn {
  0% {
    opacity: 0;
    transform: translate(-50%, -30px);
  }
  25% {
    opacity: 1;
    transform: translate(-50%, 8px);
  }
  100% {
    opacity: 1;
    transform: translate(-50%, 8px);
  }
}

@keyframes arrowAnimOut {
  75% {
    opacity: 1;
    transform: translate(-50%, 8px);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, 30px);
  }
}

/* ==============================================
    #main
============================================== */

.h2_outline {
  font-size: 36px;
  text-align: center;
  margin: 30px;
}

.p_outline {
  font-size: 16px;
  line-height: 2;
  margin: 30px;
}

.boldText {
  font-weight: 700;
  background: linear-gradient(transparent 60%, #5fb7f2 60%);
}

.box {
  display: block;
  background-color: var(--kendai-white);
  border: 4px solid var(--kendai-black);
  border-radius: 18px;
  padding: 30px;
}

.box .p_outline {
  margin: 30px 0;
}

#flow,
#notice {
  margin: 50px 30px;
}

.flowImage {
  margin: 20px 0 0 0;
  border: 4px solid var(--kendai-black);
  border-radius: 18px;
}

.flowStep {
  position: relative;
  left: 50%;
  transform: translateX(-50%);
  display: inline-block;
  background-color: var(--kendai-black);
  color: var(--kendai-white);
  font-size: 16px;
  font-weight: 700;
  padding: 5px 25px;
  text-align: center;
  border-radius: 50px;
  margin-top: 10px;
}

.commonImage {
  width: 100%;
  margin: 30px 0;
  border-radius: 18px;
}

.commonImageDesc {
  font-size: 12px;
  font-weight: 500;
  color: var(--kendai-gray2);
  text-align: center;
}

#notice ul li {
  margin: 30px 0 30px 30px;
}

#notice ul li::before {
  margin-right: 5px;
}

.btn_black a {
  display: inline-block;
  background-color: var(--kendai-black);
  color: var(--kendai-white);
  font-size: 18px;
  font-weight: 700;
  line-height: 32px;
  padding: 10px 20px;
  border-radius: 48px;
  text-align: center;
  border: 3px solid var(--kendai-black);
  text-decoration: none;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
}

.btn_black a:hover {
  background-color: var(--kendai-white);
  color: var(--kendai-black);
}

/* スマホ用設定 */
@media screen and (max-width: 600px) {
  .h2_outline {
    font-size: 26px;
    margin: 20px;
  }

  .p_outline {
    font-size: 14px;
    margin: 20px;
  }

  .box {
    padding: 20px;
  }

  #flow,
  #notice {
    margin: 50px 20px;
  }

  .btn_black a {
    font-size: 16px;
  }

  .commonImage {
    border-radius: 0;
  }
}

/* ==============================================
    footer
============================================== */

footer {
  background-color: var(--kendai-gray2);
  padding: 50px;
  text-align: center;
}

#footerLogo {
  width: 200px;
}

#footerCopyright {
  font-size: 12px;
  font-weight: 500;
  color: var(--kendai-white);
}