.tw-header {
  display: none;
}

.mod-main {
  margin: 0 auto;
}

.footer-container {
  padding-bottom: 0;
}

.footer-container::before {
  bottom: 0;
}

.tw-btm-nav {
  display: none;
}

.main-contents {
  background-color: transparent;
}

.start-contents {
  display: block;
  width: 100%;
  min-height: 100svh;
  overflow: hidden;
  position: relative;
}

.start-contents .start-hdg1 {
  position: absolute;
  left: 0;
  top: 0;
  z-index: -1;
  opacity: 0;
}

.start-contents .start-back {
  display: block;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background-color: var(--neutral-gray-800);
  opacity: 0.8;
  -webkit-backdrop-filter: blur(27.1828174591px);
          backdrop-filter: blur(27.1828174591px);
  text-indent: 100%;
  white-space: nowrap;
  overflow: hidden;
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 10;
}

.start-contents .start-back::before {
  content: "";
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 1px;
  background-color: #fff;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
}

.start-contents .start-back::after {
  content: "";
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 1px;
  background-color: #fff;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-45deg);
}

.start-contents .start-mv {
  width: 100%;
  height: 35svh;
  overflow: hidden;
  position: relative;
  z-index: 0;
}

.start-contents .start-bg {
  width: 100%;
  height: 35svh;
  overflow: hidden;
  position: fixed;
  top: 0;
  z-index: -1;
}

.start-contents .start-video {
  width: 124%;
  height: auto;
  -o-object-fit: cover;
     object-fit: cover;
  -o-object-position: 50% 50%;
     object-position: 50% 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(15deg);
}

.start-contents .start-form {
  display: flex;
  flex-direction: column;
  width: 100%;
  padding: 0 16px 24px;
  background-color: #fff;
  position: relative;
  left: 0;
  bottom: 0;
  z-index: 0;
}

.start-contents .start-form::before {
  content: "";
  display: block;
  width: 100%;
  height: 50svh;
  background-image: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.5) 41.58%, #fff 100%);
  background-repeat: repeat;
  position: absolute;
  top: 0;
  left: 0;
  transform: translateY(-100%) translateY(1px);
}

.start-contents .start-logo {
  text-align: center;
  transform: translateY(-100%);
}

.start-contents .start-logo img {
  height: auto;
}

.start-contents .c-form {
  margin: 0 0 16px;
}

.start-contents .c-form-item .form-input-wrap {
  margin-bottom: -15px;
}

.start-contents .form-message {
  margin: 0 0 20px;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--color-text);
  text-align: center;
}

.start-contents .cf-turnstile {
  width: -moz-fit-content;
  width: fit-content;
  margin: 0 auto 16px;
}

.start-contents .auth-text {
  color: var(--neutral-gray-800);
  font-size: 14px;
  font-weight: 500;
  line-height: 22px;
  margin: 16px auto 24px;
}

.start-contents .auth-code-form {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

.start-contents .auth-code-input {
  width: 40px;
  height: 48px;
  border-radius: 5px;
  background-color: var(--neutral-gray-50);
  border: none;
  box-shadow: none;
  font-size: 16px;
  font-weight: 500;
  line-height: 16px;
  color: #000;
  text-align: center;
}

.start-contents .auth-code-input:focus {
  outline-color: var(--blue-re-blue-500);
}

.start-contents .hyphen {
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background-color: var(--neutral-gray-300);
}

.start-contents .error-text {
  color: var(--color-delete-btn);
  font-size: 12px;
  font-weight: 600;
  line-height: 20px;
  margin-top: 8px;
}

.start-contents .auth-code-form-box {
  position: relative;
}

.start-contents .auth-code-form-box .input-check {
  display: block;
  width: 20px;
  height: 20px;
  text-indent: 100%;
  white-space: nowrap;
  overflow: hidden;
  position: absolute;
  top: -11px;
  right: -10px;
  background-color: #fff;
  border-radius: 100px;
}

.start-contents .auth-code-form-box .input-check::before {
  content: "";
  width: 20px;
  height: 20px;
  background-color: #2fa555;
  -webkit-mask-image: url(/images/shared/icon-success.svg);
  mask-image: url(/images/shared/icon-success.svg);
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-position: center center;
  mask-position: center center;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.start-contents .auth-code-form-box .code-error-check {
  display: block;
  width: 20px;
  height: 20px;
  text-indent: 100%;
  white-space: nowrap;
  overflow: hidden;
  position: absolute;
  top: -11px;
  right: -10px;
  background-color: #fff;
  border-radius: 100px;
}

.start-contents .auth-code-form-box .code-error-check::before {
  content: "";
  width: 20px;
  height: 20px;
  background-color: var(--color-delete-btn);
  -webkit-mask-image: url(/images/shared/icon-error.svg);
  mask-image: url(/images/shared/icon-error.svg);
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-position: center center;
  mask-position: center center;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.start-contents .code-checker {
  position: relative;
}

.start-contents .start-or {
  margin: 16px 0;
  font-size: 12px;
  font-weight: 500;
  text-align: center;
  position: relative;
  z-index: 0;
}

.start-contents .start-or::before {
  content: "";
  width: 100%;
  height: 1px;
  background-color: var(--neutral-gray-100);
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  z-index: -1;
}

.start-contents .start-or::after {
  content: "";
  width: 60px;
  height: 30px;
  background-color: #fff;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: -1;
}

.start-contents .start-sns {
  display: grid;
  grid-auto-flow: row;
  grid-gap: 20px;
  margin: 0 0 10px;
}

.start-contents [class^=start-btn] {
  display: block;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--neutral-gray-100);
  border-radius: 8px;
  background-color: #fff;
  text-indent: 100%;
  white-space: nowrap;
  overflow: hidden;
  position: relative;
}

.start-contents [class^=start-btn]::before {
  content: "";
  width: 22px;
  height: 22px;
  background-repeat: no-repeat;
  background-position: center center;
  background-size: contain;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.start-contents .start-btn-x::before {
  background-image: url(/images/shared/logo-x.svg);
}

.start-contents .start-btn-insta::before {
  background-image: url(/images/shared/logo-instagram.svg);
}

.start-contents .x-sign-up-btn {
  width: 100%;
  max-width: 328px;
  border: solid 1px var(--neutral-gray-800);
  border-radius: 8px;
  margin: 0 auto;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.start-contents .x-sign-up-btn img {
  margin-right: 3px;
}

.start-contents .x-sign-up-btn p {
  font-size: 14px;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 900;
  line-height: 22px;
}

.start-contents .oneaccount-sign-up-subtitle {
  font-size: 15px;
  font-weight: 900;
  margin: 0 0 6px;
  text-align: center;
  background: linear-gradient(to right, #ea2ce2, #ff8d4e);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.start-contents .oneaccount-sign-up-btn {
  position: relative;
  border: solid 1px transparent;
  border-radius: 8px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  width: 100%;
  max-width: 328px;
  align-items: center;
  justify-content: center;
  background-color: #fff;
  color: var(--neutral-gray-800);
}

.start-contents .oneaccount-sign-up-btn::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: linear-gradient(to right, #ea2ce2, #ff8d4e) border-box;
  -webkit-mask-image: linear-gradient(#fff 0 0), linear-gradient(#fff 0 0);
  -webkit-mask-clip: padding-box, border-box;
  -webkit-mask-composite: destination-out;
  mask-image: linear-gradient(#fff 0 0), linear-gradient(#fff 0 0);
  mask-clip: padding-box, border-box;
  -webkit-mask-composite: xor;
          mask-composite: exclude;
}

.start-contents .oneaccount-sign-up-btn img {
  margin-right: 6px;
}

.start-contents .oneaccount-sign-up-btn p {
  font-size: 14px;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 900;
  line-height: 22px;
}

.start-contents .start-notice {
  margin-top: 10px;
  font-size: 10px;
  font-weight: 400;
  line-height: 1.6;
  color: #979797;
}

.start-contents .start-notice > a {
  text-decoration-line: underline;
}

@media screen and (min-width: 600px) {
  .start-area {
    display: none;
  }
  .pc-container {
    grid-template-columns: minmax(0, 1fr);
  }
  .header-pc {
    display: none;
  }
  .start-contents .c-form-item .form-input-wrap {
    margin-bottom: -6px;
  }
  .start-contents .auth-code-input {
    width: 48px;
    height: 56px;
    font-size: 18px;
    line-height: 18px;
  }
  .start-contents .auth-code-form-box .input-check {
    width: 24px;
    height: 24px;
    top: -11px;
    right: -12px;
  }
  .start-contents .auth-code-form-box .input-check::before {
    width: 24px;
    height: 24px;
  }
  .start-contents .auth-code-form-box .code-error-check {
    width: 24px;
    height: 24px;
    right: -12px;
  }
  .start-contents .auth-code-form-box .code-error-check::before {
    width: 24px;
    height: 24px;
  }
  .start-contents .error-text {
    font-size: 14px;
    line-height: 22px;
    margin-top: 16px;
  }
  .start-contents .start-notice {
    font-size: 12px;
    text-align: center;
  }
}

@media screen and (min-width: 1025px) {
  .pc-container {
    position: relative;
    display: grid;
  }
  .pc-container::before {
    content: "";
    width: 100%;
    height: 16px;
    background: linear-gradient(95deg, #ff8d4e 0%, #ea2ce2 100%);
    position: absolute;
    top: 0;
    left: 0;
  }
  .main-contents {
    width: 100%;
    max-width: 1024px;
    min-width: inherit;
    margin: 0 auto;
  }
  .start-contents {
    display: flex;
    justify-content: space-between;
    height: 800px;
    min-height: initial;
    margin: 80px 0;
    border-radius: 16px;
    background-color: #fff;
    box-shadow: 0 4px 36px 0 rgba(0, 0, 0, 0.1);
  }
  .start-contents .start-back {
    background-color: var(--neutral-gray-100);
  }
  .start-contents .start-back::before, .start-contents .start-back::after {
    background-color: #979797;
  }
  .start-contents .start-mv {
    width: 480px;
    height: 100%;
  }
  .start-contents .start-bg {
    height: 100%;
    position: absolute;
    left: 0;
  }
  .start-contents .start-bg::after {
    content: "";
    display: block;
    width: 310px;
    height: 100%;
    background-image: linear-gradient(270deg, #fff 0%, rgba(255, 255, 255, 0.4) 71.26%, rgba(255, 255, 255, 0) 100%);
    background-repeat: repeat;
    position: absolute;
    top: 0;
    right: 0;
  }
  .start-contents .start-video {
    margin-left: -40px;
  }
  .start-contents .start-form {
    width: 504px;
    height: 100%;
    padding: 64px 24px 32px 0;
    position: relative;
  }
  .start-contents .start-form::before {
    content: none;
  }
  .start-contents .start-logo {
    display: none;
    transform: none;
    margin: 0 0 52px;
  }
  .start-contents .c-form-item .form-input {
    height: 57.1428571429px;
  }
  .start-contents .form-message {
    margin: 0 0 28px;
    font-size: 14px;
  }
  .start-contents .start-or {
    font-size: 14px;
  }
  .start-contents .start-notice {
    margin-top: auto;
  }
  .start-contents [class^=start-btn] {
    width: 48px;
    height: 48px;
  }
  .start-contents [class^=start-btn]::before {
    width: 24px;
    height: 24px;
  }
}