html, body {
  margin: 0;
  padding: 0;
}

body {
  background-color: #f7f7f7;
  font-family: "Inter", sans-serif;
}

/* 会社名 */
.company > a {
  display: flex;
  align-items: center;
}

.company .company-name {
  align-items: center;
  margin-left: 0px;
  font-size: 3rem;
  font-weight: 800;
  display: flex;
  letter-spacing: -0.15rem;
}

.company-logo img {
  width: 3.4rem;
}

.name-left {
  color: black;
}

.name-right {
  background: linear-gradient(
    90deg,
    #00fffb,
    #00ccfc,
    #0099fd,
    #0066fe,
    #0033ff,
    #0d00ff
  );
  background-size: 400% 400%;
  animation: aurora 3s ease-in-out infinite;
  color: transparent;
  background-clip: text;
  padding-right: 2px;
}

@keyframes aurora {
  0%,
  100% {
    background-position: 0% 50%;
  }
  33% {
    background-position: 100% 0%;
  }
  66% {
    background-position: 0% 100%;
  }
}

/* メニューバー */
.menu-bar {
  z-index: 1000;
  position: sticky;
}

.menu-button {
  position: absolute;
  right: 10px;
}

.main {
  top: -15px;
  font-weight: 800;
  color: white;
  background-color: #ff6f00;
  padding: 3px 15px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  height: 2rem;
  width: 10rem;
  position: relative;
  cursor: pointer;
  justify-content: space-between;
  z-index: 1000;
}

.main > .inp {
  display: none;
}

.arrow {
  height: 34%;
  aspect-ratio: 1;
  margin-block: auto;
  position: relative;
  display: flex;
  justify-content: center;
  transition: all 0.3s;
}

.arrow::after,
.arrow::before {
  content: "";
  position: absolute;
  background-color: white;
  height: 100%;
  width: 2.5px;
  border-radius: 500px;
  transform-origin: bottom;
}

.arrow::after {
  transform: rotate(35deg) translateX(-0.5px);
}

.arrow::before {
  transform: rotate(-35deg) translateX(0.5px);
}

.main > .inp:checked + .arrow {
  transform: rotateX(180deg);
}

.menu-container {
  background-color: white;
  color: darkviolet;
  border-radius: 10px;
  position: absolute;
  width: 100%;
  left: 0;
  top: 130%;
  overflow: hidden;
  clip-path: inset(0% 0% 0% 0% round 10px);
  transition: all 0.4s;
}

.menu-list {
  --delay: 0.4s;
  --trdelay: 0.15s;
  padding: 8px 10px;
  border-radius: inherit;
  transition: background-color 0.2s 0s;
  position: relative;
  transform: translateY(30px);
  opacity: 0;
}

/* aタグ内のmenu-listにも同じアニメーションを適用 */
a > .menu-list {
  --delay: 0.4s;
  --trdelay: 0.15s;
  transform: translateY(30px);
  opacity: 0;
  transition: background-color 0.2s 0s;
}

a > .menu-list {
  text-decoration: none;
  color: #367cff;
}

.menu-list::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  height: 1px;
  background-color: rgba(0, 0, 0, 0.3);
  width: 95%;
}

.menu-list:hover {
  background-color: rgb(223, 223, 223);
}

.inp:checked ~ .menu-container {
  clip-path: inset(10% 50% 90% 50% round 10px);
}

.inp:not(:checked) ~ .menu-container .menu-list {
  transform: translateY(0);
  opacity: 1;
}

.inp:not(:checked) ~ .menu-container a > .menu-list {
  transform: translateY(0);
  opacity: 1;
}

.inp:not(:checked) ~ .menu-container .menu-list:nth-child(1) {
  transition: transform 0.4s var(--delay), opacity 0.4s var(--delay);
}

.inp:not(:checked) ~ .menu-container a:nth-child(1) > .menu-list {
  transition: transform 0.4s var(--delay), opacity 0.4s var(--delay);
}

.inp:not(:checked) ~ .menu-container .menu-list:nth-child(2) {
  transition: transform 0.4s calc(var(--delay) + (var(--trdelay) * 1)),
    opacity 0.4s calc(var(--delay) + (var(--trdelay) * 1));
}

.inp:not(:checked) ~ .menu-container a:nth-child(2) > .menu-list {
  transition: transform 0.4s calc(var(--delay) + (var(--trdelay) * 1)),
    opacity 0.4s calc(var(--delay) + (var(--trdelay) * 1));
}

.inp:not(:checked) ~ .menu-container .menu-list:nth-child(3) {
  transition: transform 0.4s calc(var(--delay) + (var(--trdelay) * 2)),
    opacity 0.4s calc(var(--delay) + (var(--trdelay) * 2));
}

.inp:not(:checked) ~ .menu-container a:nth-child(3) > .menu-list {
  transition: transform 0.4s calc(var(--delay) + (var(--trdelay) * 2)),
    opacity 0.4s calc(var(--delay) + (var(--trdelay) * 2));
}

.inp:not(:checked) ~ .menu-container .menu-list:nth-child(4) {
  transition: transform 0.4s calc(var(--delay) + (var(--trdelay) * 3)),
    opacity 0.4s calc(var(--delay) + (var(--trdelay) * 3));
}

.inp:not(:checked) ~ .menu-container a:nth-child(4) > .menu-list {
  transition: transform 0.4s calc(var(--delay) + (var(--trdelay) * 3)),
    opacity 0.4s calc(var(--delay) + (var(--trdelay) * 3));
}

.bar-inp {
  -webkit-appearance: none;
  display: none;
  visibility: hidden;
}

.bar {
  display: flex;
  height: 50%;
  width: 20px;
  flex-direction: column;
  gap: 3px;
}

.bar-list {
  --transform: -25%;
  display: block;
  width: 100%;
  height: 3px;
  border-radius: 50px;
  background-color: white;
  transition: all 0.4s;
  position: relative;
}

.inp:not(:checked) ~ .bar > .top {
  transform-origin: top right;
  transform: translateY(var(--transform)) rotate(-45deg);
}

.inp:not(:checked) ~ .bar > .middle {
  transform: translateX(-50%);
  opacity: 0;
}

.inp:not(:checked) ~ .bar > .bottom {
  transform-origin: bottom right;
  transform: translateY(calc(var(--transform) * -1)) rotate(45deg);
}

/* トップタイトル */
.top-title {
  margin: 0rem 0 20rem 0;
}

.top-title > img {
  width: 100%;
  height: auto;
}

.top-title .upper-title {
  font-size: 1.5rem;
  display: flex;
  justify-content: center;
}

.top-title .upper-title .middle {
  color: #04d800;
}

.top-title .upper-title .left, 
.top-title .upper-title .right {
  color: #616161;
}

.top-title .under-title {
  text-align: center;
  color: #616161;
  margin-top: -13px;
}

/* 無料広告 */
.ad-inner {
  display: flex;
}

.button-sec {
  position: sticky;
  top: 44rem;
  z-index: 1;
}

.free-ad {
  outline: solid;
  cursor: pointer;
  letter-spacing: 0.5px;
  font-weight: 600;
  font-size: 1rem;
  border-radius: 0 30px 0 0;
  padding: 1.5rem;
  border: none;
  color: white;
  position: absolute;
  background-color: #367cff;
}

.button-sec img {
  margin: 0 10px;
}

/* お申し込みボタン */
.sticky-apply-button {
  position: fixed;
  bottom: 30px;
  left: 30px;
  z-index: 1000;
  background: #367cff;
  color: white;
  border: none;
  border-radius: 50px;
  padding: 18px 35px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.sticky-apply-button:hover {
  transform: translateY(-3px);
  background: linear-gradient(135deg, #ee5a52, #ff6b6b);
}

.sticky-apply-button:active {
  transform: translateY(-1px);
}

/* アイコン */
.button-icon {
  width: 20px;
  height: 20px;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .content {
    padding: 40px 30px;
  }

  .sticky-apply-button {
    bottom: 20px;
    left: 20px;
    padding: 15px 25px;
    font-size: 1rem;
  }
}

@media (max-width: 680px) {
  .company {
    display: flex;
    align-items: center;
  }

  .company .company-name {
    margin-left: -5px;
    font-size: 2rem;
    letter-spacing: -0.15rem;
  }

  .company img {
    width: 4rem;
  }
}

@media (max-width: 700px) {
  /* メニューバー */
  .menu-bar .main {
    top: 2px;
    width: 50rem;
  }

  .menu-button {
    right: 10px;
  }
  
  /* 会社名 */
  .company {
    margin-top: 0.7rem;
  }

  .company .company-name {
    margin-left: -1px;
    font-size: 1.5rem;
    letter-spacing: -0.1rem;
  }

  .company img {
    width: 3rem;
  }

  /* 申し込みボタン */
  .sticky-apply-button {
    padding: 12px 20px;
    font-size: 0.9rem;
  }
}

@media (max-width: 525px) {
  .top-title {
    margin: 0rem 0 10rem 0;
  }

  .top-title .upper-title {
    font-size: .9rem;
  }

  .top-title .under-title {
    margin-top: -13px;
    font-size: .5rem;
  }
}