html {
  font-family: sans-serif;
}

body {
  margin: 0;
}

body * {
  letter-spacing: normal;
}

h1,
h2,
h3,
h4,
h5,
h6,
p {
  margin: 0;
}

ol,
ul {
  list-style: none;
}

div,
section,
a,
button {
  box-sizing: border-box;
}

/* 404 */

.error-page {
  margin-top: 60px;
  padding: 40px 16px;
  text-align: center;
  line-height: 2;
}

/* text
-------------------------------------------------- */
.post-content h1 {
  font-size: 36px;
  margin: 36px 0;
  clear: both;
}
.post-content h2 {
  font-size: 28px;
  margin: 2em 0 1em;
  clear: both;
}
.post-content h3 {
  font-size: 24px;
  margin: 2em 0 1em;
}
.post-content h4 {
  font-size: 18px;
  margin: 2em 0 1em;
}
.post-content h5 {
  font-size: 16px;
  margin: 2em 0 1em;
}
.post-content h6 {
  font-size: 14px;
  margin: 2em 0 1em;
}

.content h1,
.content h2,
.content h3 {
  font-weight: bold;
}

.wrap {
  width: 1200px;
  margin: 0 auto;
}

@media screen and (max-width: 1250px) {
  .wrap {
    width: 90%;
  }
}

.decimal li {
  list-style-type: decimal;
  margin-left: 1.5em;
}

.disc li {
  list-style-type: disc;
}

/* ------ ナビゲーション無しヘッダー ------ */
.lp_followme_icon {
  width: 100px;
}

.lp_header_wrapper {
  background: #fcfcfc;
  position: fixed;
  z-index: 1;
  width: 100%;
  top: 0;
  color: #333333;
  font-size: 15px;
  font-weight: bold;
  text-align: center;
}

.lp_header_inner {
  height: 48px;
  text-align: center;
  position: relative;
  padding: 4px 16px;
  box-sizing: border-box;
  line-height: 2em;
}
.lp_header_inner span {
  line-height: 3em;
  font-size: 13px;
}

.lp_header_inner img {
  display: block;
  position: absolute;
  left: auto;
  top: 0;
  bottom: 0;
  margin: auto;
}

@media screen and (max-width: 767px) {
  .lp_header_inner {
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .lp_header_inner img {
    position: static;
    margin: 0 8px 0 0;
  }

  .lp_header_inner span {
    flex-shrink: 0;
  }
}

/* ------ ナビゲーションヘッダー ------ */

.navi_header_wrapper {
  color: #fcfcfc;
  font-size: 14px;
  text-align: center;
  height: 50px;
}

.navi_header_wrapper .button_wrapper {
  height: 100%;
}

.navi_header_wrapper .button_wrapper a {
  border-radius: 0;
  padding: 1em 2em;
}

.navi_header_items {
  max-width: 1000px;
  width: 100%;
  display: flex;
  align-items: center;
  margin: auto;
  padding: 0 0 0 10px;
}

.navi_header_inner {
  background: #fcfcfc;
  position: fixed;
  z-index: 1;
  top: 0;
  width: 100%;
  height: 50px;
  display: flex;
  align-items: center;
}

.navi_header_wrapper .lp_header_under {
  margin-top: 50px;
}

.navi_followme_icon img {
  width: 100px;
  display: block;
}

.navi_header_list {
  flex-grow: 1;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  margin: 0;
  padding-right: 2em;
  color: #333333;
}

.navi_header_listItem + .navi_header_listItem {
  margin-left: 1.5em;
}

.navi_header_wrapper a,
.navi_header_wrapper a:visited {
  color: inherit;
  text-decoration: none;
  transition: 0.2s;
}
∂ .navi_header_listItem a:hover {
  opacity: 0.8;
}

.navi_header_wrapper .lp_button {
  display: block;
  font-size: inherit;
  border-radius: 4px;
  padding: 0.6em 1.5em;
}

.navi_header_wrapper .lp_button:hover {
  opacity: 1;
}

.hamburger {
  display: none;
  z-index: 3;
  width: 42px;
  height: 42px;
  cursor: pointer;
  text-align: center;
}
.hamburger span {
  display: block;
  position: relative;
  width: 20px;
  height: 2px;
  left: 0;
  right: 0;
  margin: auto;
  background: #333;
  transition: 0.3s ease-in-out;
}
.hamburger span:nth-child(1) {
  top: 11px;
}
.hamburger span:nth-child(2) {
  top: 17px;
}
.hamburger span:nth-child(3) {
  top: 23px;
}

/* ナビ開いてる時のボタン */
.hamburger.active span:nth-child(1) {
  top: 18px;
  left: 0;
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  transform: rotate(-45deg);
}

.hamburger.active span:nth-child(3) {
  top: 14px;
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  transform: rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

@media screen and (max-width: 767px) {
  .hamburger {
    display: block;
    flex-shrink: 0;
  }

  .navi_header_inner {
    padding: 0 8px 0 16px;
    height: 60px;
  }

  .navi_header_wrapper {
    height: 60px;
  }

  .navi_header_wrapper .lp_header_under {
    margin-top: 60px;
  }

  .navi_header_items {
    padding: 0;
    margin-right: 1em;
  }

  .navi_followme_icon {
    margin-right: auto;
  }

  .navi_header_list {
    flex-direction: column;
  }

  .navi_header_listItem {
    display: flex;
    background: #fcfcfc;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
  }

  .navi_header_listItem a {
    padding: 1.2em 1em;
    display: block;
    width: 100%;
    text-align: left;
  }

  .navi_header_list {
    opacity: 0;
    position: absolute;
    pointer-events: none;
    top: 60px;
    left: 0;
    right: 0;
    padding: 0;
  }
  .navi_header_listItem + .navi_header_listItem {
    margin-left: 0;
  }
  .active .navi_header_list {
    display: block;
    opacity: 1;
    pointer-events: auto;
  }
}

/* ------ フッター ------ */

.footer {
  background: #0b1d30;
  color: #fcfcfc;
  line-height: 1.8;
  margin-top: auto;
  padding: 16px;
  text-align: center;
}

.footer a {
  color: currentColor;
  text-decoration: underline;
  display: inline-block;
}

.footer a:not(:first-of-type) {
  margin-left: 1em;
}

.footer * {
  font-size: 12px;
}

.link {
  text-decoration: underline;
}

.button_wrapper {
  text-align: center;
}

.button_wrapper a,
.button_wrapper button {
  transition: color 0.5s;
  display: block;
  margin: auto;
  font-weight: bold;
  padding: 0.8em 2em;
  width: 100%;
  max-width: 13em;
  border-radius: 1.5em;
  color: #fcfcfc;
  background: linear-gradient(180deg, #1b70bf 0%, #2086cc 100%);
  position: relative;
  overflow: hidden;
  font-size: 18px;
  z-index: 1;
  text-decoration: none;
}

.button_wrapper button {
  border: none;
  cursor: pointer;
  outline: none;
  appearance: none;
}

.button_wrapper a:before,
.button_wrapper button:before {
  content: "";
  transition: 0.5s;
  position: absolute;
  top: 0;
  left: 0;
  width: 150%;
  height: 100%;
  z-index: -1;
  transform: translateX(-150%) skewX(30deg);
  background: #fcfcfc;
}

.button_wrapper a:hover,
.button_wrapper button:hover {
  color: #1b70bf;
  outline: none;
}

.button_wrapper a:hover:after,
.button_wrapper button:hover:after {
  content: "";
  position: absolute;
  width: calc(100% - 4px);
  height: calc(100% - 4px);
  border: 2px solid;
  border-radius: inherit;
  display: block;
  pointer-events: none;
  top: 0;
  left: 0;
}

.button_wrapper a:hover:before,
.button_wrapper button:hover:before {
  transform: translateX(-10%) skewX(30deg);
}

/* Utilities */
/* 命名参照： https://tailwindcss.com/　*/
.pt-40 {
  padding: 40px 0 0;
}

.pt-80 {
  padding: 80px 0 0;
}

.py-80 {
  padding: 80px 0;
}

.text--small {
  font-size: 12px;
  font-weight: 100;
}