@charset "utf-8";

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  list-style: none;
  text-decoration: none;
}

img {
  width: 100%;
  vertical-align: bottom;
}

/* body */

body {
  font-family: sans-serif;
  background-color: rgb(251, 249, 246);
  color: #666;
  font-size: 12px;
}

/* header */

header {
  width: 100%;
  padding: 20px;
  position: sticky;
  top: 0;
  left: 0;
  z-index: 100;
  background-color: #fff;
}

.inner-header {
  width: 90%;
  margin: 0 auto;
}

.inner-header h1 {
  font-family: Impact, sans-serif;
  font-weight: lighter;
  color: brown;
  width: fit-content;
}

.inner-header h1 a {
  color: brown;
  opacity: 1;
}

.inner-header h1 a:hover {
  opacity: 0.5;
}

.ham {
  z-index: 99;
  width: 35px;
  height: 35px;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  position: fixed;
  top: 20px;
  right: 40px;
}

.ham span {
  display: block;
  width: 100%;
  height: 1px;
  background-color: #999;
  transition: 1s;
}

.navi {
  width: 100%;
  height: 100%;
  background: rgb(160, 33, 33);
  background-position: 50px 0;
  position: fixed;
  top: 0;
  left: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: 1s;
  pointer-events: none;
}

.navi ul li {
  padding: 15px;
}

.navi ul li a {
  color: #fff;
  margin-bottom: 20px;
  font-size: 15px;
  font-weight: bold;
}

.navi ul li a:hover {
  opacity: 0.5;
}

.navi.open {
  opacity: 1;
  pointer-events: all;
}

.pc-navi {
  display: none;
}

@media (min-width: 767px) {
  .pc-navi {
    display: block;
  }

  .pc-navi ul {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 35px;
  }

  .pc-navi ul li a {
    color: #666;
  }

  .pc-navi ul li a:hover {
    opacity: 0.5;
  }
}

.ham.open span:first-child {
  transform: translateY(11px) rotate(45deg);
}

.ham.open span:nth-child(2) {
  opacity: 0;
}

.ham.open span:last-child {
  transform: translateY(-8px) rotate(-45deg);
}

@media (min-width: 767px) {
  body {
    font-size: 13px;
  }

  .ham {
    display: none;
  }

  header {
    padding: 15px;
  }

  .inner-header {
    width: 80%;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
  }

  .inner-header h1 {
    font-size: 35px;
  }

  .navi {
    display: block;
  }

  .navi ul {
    display: flex;
    gap: 5px;
  }

  .navi ul li {
    font-family: sans-serif;
    font-weight: bold;
  }

  .navi ul li a {
    display: block;
    padding: 5px 15px;
    opacity: 1;
  }

  .navi ul a:hover {
    opacity: 0.5;
  }

  .pc-navi ul li {
    font-family: sans-serif;
    font-weight: bold;
  }
}

/* main(title) */
.title {
  width: 80%;
  justify-content: space-between;
  align-items: baseline;
  margin: 25px auto 0;
  font-size: 10px;
}

.title ol {
  display: flex;
  gap: 18px;
}

.title ol li::after {
  content: ">";
  margin-left: 15px;
}

.title ol li:last-child::after {
  content: none;
}

.title ol li a {
  color: rgb(0, 0, 255);
}

.title ol li a:hover {
  opacity: 0.5;
}

@media (min-width: 767px) {
  .title {
    margin-top: 30px;
  }

  .title ol {
    font-size: 13px;
  }
}

/* main(access) */

section {
  width: 80%;
  margin: 0 auto 20px;
}

section h2 {
  margin-top: 10px;
  margin-bottom: 15px;
  color: brown;
}

.access-flex {
  margin: 20px auto 20px;
}

.access-item {
  margin: 15px auto 5px;
  border-bottom: 1px solid #999;
}

.item {
  font-weight: bold;
  margin-bottom: 2px;
}

.access-flex .l-access {
  text-align: center;
  margin-top: 10px;
  padding: 7px;
}

.answer {
  font-size: 0.7em;
  margin-top: 10px;
}

iframe {
  width: 100%;
}

@media (min-width: 767px) {
  .access-flex {
    display: flex;
    gap: 30px;
  }
  .access-flex .l-access {
    width: 600px;
    height: 70vh;
  }
  .access-flex .r-access {
    width: 50%;
  }
  .answer {
    text-align: right;
  }
}

/* footer */

footer {
  text-align: right;
  padding: 20px 20px;
  background-color: #fff;
}

footer p {
  font-family: Impact, sans-serif;
  font-size: 18px;
  color: brown;
  border-bottom: 1px solid #999;
  display: block;
  width: fit-content;
  margin: 0 auto;
}

@media (min-width: 767px) {
  footer p {
    font-size: 25px;
  }
}