@charset "utf-8";
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@100..900&family=Noto+Serif+JP:wght@200..900&family=Oswald:wght@500&display=swap');

:root {
  --max-width: 1000px;
  --main-color: #003393;
  --service-color: #007e94;
  --strength-color: #0083cc;
  --recruit-color: #1dab32;
  --color-gray1: #333333;
  --color-gray2: #666666;
  --color-gray3: #bbbbbb;
  --color-red: #bb0000;
  --color-background: #e5e4ec;
}

* {
 margin: 0;
 padding: 0;
 font-style: normal;
}

html {
	scroll-behavior: smooth;
	scroll-padding-top: 112px;
}

body {
  margin: 0px;
  padding: 0px;
  background-color: #fff;
  color: var(--color-gray1);
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  line-height: 1.75;
  letter-spacing: .05em;
}
input {
  font-family: 'Noto Sans JP', sans-serif;
}

ul {
  list-style-type: none;
}

a {
  color: var(--main-color);
}

img {
  max-width: 100%;
}

@media (any-hover: hover) {
	a:hover {
		text-decoration: none;
	}
  a img {
    transition: .5s;
  }
	a:hover img {
		opacity: .6;
	}
}


/* header ---------------------------------------------------------- */
header {
  position: sticky;
  top: 0;
  z-index: 9999;
}
.header {
  width: 100%;
  background-color: #fff;
  border-top: 12px var(--main-color) solid;
  box-sizing: border-box;
  position: sticky;
  top: 0;
  z-index: 9999;
}
.header-wrap {
  max-width: 1320px;
  margin: 0 auto;
  padding: 1.5em 1em;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.header-wrap h1 {
  line-height: 1;
  width: 240px;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}
.header-tel {
  display: flex;
  align-items: center;
  gap: .8rem;
}
.header-tel .tel-icon {
  width: 2.375em;
  aspect-ratio: 1 / 1;
  background-color: var(--color-gray2);
  border-radius: 4px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.header-tel .tel-number {
  font-family: "Oswald", sans-serif;
  font-optical-sizing: auto;
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--color-gray2);
}
.header-inquiry a.inquiry-button {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  background-color: var(--color-gray2);
  color: #fff;
  text-decoration: none;
  font-size: 0.8125rem; /* 13px */
  padding: .5rem 1rem;
  border-radius: 4px;
  transition: .5s;
}
@media (any-hover: hover) {
	.header-inquiry a.inquiry-button:hover {
    color: #fff;
		opacity: .6;
	}
}

@media screen and (max-width: 850px) {
  .header-tel,
  .header-inquiry {
    display: none;
  }
}

/* header navi ---------------------- */
.header-nav-btn {
  position: relative;
  width: 50px;
  height: 50px;
  border: none;
  background: transparent;
  cursor: pointer;
}
.hamburger-line {
  position: absolute;
  left: 7px;
  width: 34px;
  height: 3px;
  background-color: #000000;
  transition: all .4s;
}
.hamburger-line:nth-of-type(1) {
  top: 10px;
}
.hamburger-line:nth-of-type(2) {
  top: 23px;
}
.hamburger-line:nth-of-type(3) {
  top: 36px;
}
.header-nav-btn.open .hamburger-line:nth-of-type(1) {
  transform: translateY(13px) rotate(-45deg);
}
.header-nav-btn.open .hamburger-line:nth-of-type(2) {
  opacity: 0;
}
.header-nav-btn.open .hamburger-line:nth-of-type(3) {
  transform: translateY(-13px) rotate(45deg);
}

.global-nav {
  width: 100%;
	position: absolute;
  color: #fff;
  background-color: rgba(0, 0, 0, 0.9);
  transform: translateY(-101%);
  transition: .5s;
  z-index: 200;
  max-height: calc(100vh - 112px);
  overflow-y: scroll;
}
.global-nav.open {
  transform: translateY(0%);
}

.global-nav .nav-wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  padding: 4rem 2rem 0;
}

.menu-list li {
  margin-bottom: 1.2em;
  font-weight: 200;
}
.menu-list > li a,
.menu-list > li span {
  color: #fff;
  text-decoration: underline;
}
.menu-list > li > a,
.menu-list > li > span {
  padding-left: 0.8em;
  position: relative;
  font-weight: 500;
}
.menu-list > li > a::before,
.menu-list > li > span::before {
  content: " ";
  display: block;
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 4px 0 4px 6px;
  border-color: transparent transparent transparent #ffffff;
}
.menu-list > li > ul {
  padding-left: 2em;
  margin-top: 1.2em;
}


ul.image-links {
  display: grid;
  grid-template-columns: 1fr 1fr 2.5fr;
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 300;
  padding: 2.2rem 0 3.2rem;
}
ul.image-links li {
  display: grid;
  grid-template-rows: subgrid;
  grid-row: span 2;
}
ul.image-links li .image {
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
}
@media screen and (max-width: 900px) {
  ul.image-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 2rem 1rem;
  }
  ul.image-links li {
    display: block;
  }
  ul.image-links li:nth-child(3) {
    width: 100%;
  }
}


/* footer ---------------------------------------------------------- */
footer{
  padding-top: 5rem;
}
.footer-logo {
  width: 279px;
  text-align: center;
  margin: 0 auto;
}
.corp-info {
  text-align: center;
  margin-top: .5rem;
}
.corp-info ul li {
  display: inline-block;
}
.corp-info ul li:not(:last-child)::after {
  content: "/";
  margin: .8rem;
}

.footer-nav .nav-wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  padding: 4rem 2rem 0;
}
.footer-nav .menu-list li {
  font-weight: 500;
}
.footer-nav .menu-list > li a,
.footer-nav .menu-list > li span {
  color: #333;
}
.footer-nav .menu-list > li > a,
.footer-nav .menu-list > li > span {
  font-weight: 900;
}
.footer-nav .menu-list > li > a::before,
.footer-nav .menu-list > li > span::before {
  border-color: transparent transparent transparent #000000;
}

.copyright {
  font-size: .75rem;
  text-align: center;
  padding: 3rem 1rem 2rem;
}




/* common ---------------------------------------------------------- */
main {
  overflow: hidden;
}
.inner {
  max-width: 1000px;
  padding: 0 1rem;
  margin: 0 auto;
  box-sizing: border-box;
}
.content-inner {
  max-width: 800px;
  padding: 0 1rem;
  margin: 0 auto;
}
section {
  position: relative;
  padding: clamp(3.5rem, 2.273rem + 5.45vw, 5rem) 0 clamp(4rem, 1.545rem + 10.91vw, 7rem);
}


/* h2 ---------------------- */
.h2-block {
  position: relative;
  text-align: center;
  padding-bottom: clamp(2rem, 1.427rem + 2.55vw, 2.7rem);
  margin-bottom: clamp(3rem, 2.182rem + 3.64vw, 4rem);
}
.h2-block::after {
  display: block;
  content: '';
  width: 60px;
  height: 3px;
  position: absolute;
  bottom: 0;
  left: 50%;
  margin-left: -30px;
  background-color: var(--main-color);
}
.h2-block h2 {
  font-size: clamp(1.6rem, 1.068rem + 2.36vw, 2.25rem);  /* 25.6-36 360-800 */
  font-weight: 400;
  letter-spacing: .3em;
}
.h2-block .en {
  font-family: "Noto Serif JP", serif;
  font-optical-sizing: auto;
  font-size: clamp(0.813rem, 0.659rem + 0.68vw, 1rem);  /* 13-16 360-800 */
  font-weight: 500;
  margin-top: .2em;
  letter-spacing: 0;
}


/* link ---------------------- */
.button-block {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem 3rem;
  margin-top: clamp(3rem, 2.182rem + 3.64vw, 4rem);
  padding: 0 2rem;
}
.link-button {
  display: inline-block;
  width: 250px;
  padding: .8em 0 1.0em;
  box-sizing: border-box;
  color: #fff;
  background-color: var(--main-color);
  border-radius: 4px;
  text-decoration: none;
  text-align: center;
  font-size: 1rem;
  font-weight: 400;
  box-shadow: 4px 4px rgba(0, 51, 147, .5);
  position: relative;
  transition: opacity .5s;
}
button.link-button {
  border: none;
  cursor: pointer;
}
.link-button.back {
  padding: .8em 0em 1.0em;
}
.link-button.down {
  display: flex;
  justify-content: center;
}
.link-button::after {
  content: '';
  width: 6px;
  height: 10px;
  clip-path: polygon(0 0, 100% 50%, 0 100%);
  background-color: #fff;
  position: absolute;
  top: calc(50% - 5px);
  right: 1rem;
  transition: .3s;
}
.link-button.down::after {
  width: 8px;
  height: 7px;
  clip-path: polygon(0 0, 50% 100%, 100% 0);
  position: relative;
  top: calc(50% - 2px);
  right: -14px;
}
.link-button.back::after {
  clip-path: polygon(100% 100%, 0 50%, 100% 0 );
  top: calc(50% - 5px);
  left: 1rem;
  right: auto;
}

@media (any-hover: hover) {
	a.link-button:hover,
	button.link-button:hover {
    opacity: .6;
	}
	a.link-button:not(.down):hover::after,
	button.link-button:not(.down):hover::after {
		transform: translateX(3px);
	}
	a.link-button.back:hover::after,
	button.link-button.back:hover::after {
		transform: translateX(-3px);
	}
/*	a.link-button.down:hover::after,
  button.link-button.down:hover::after {
		transform: translateY(2px);
	}*/
}

.link-button.color2 {
  background-color: var(--strength-color);
  box-shadow: 4px 4px rgba(0, 131, 204, .5);
}
.link-button.color3 {
  background-color: var(--service-color);
  box-shadow: 4px 4px rgba(0, 126, 148, .5);
}
.link-button.color4 {
  background-color: #333333;
  box-shadow: 4px 4px rgba(51, 51, 51, .5);
}
.link-button.color5 {
  background-color: #1dab32;
  box-shadow: 4px 4px rgba(29, 171, 50, .5);
}

span.link-button {
  background-color: #7f99c9;
  box-shadow: 4px 4px rgba(127, 153, 201, .5);
}
span.link-button.color3 {
  background-color: #7fbec9;
  box-shadow: 4px 4px rgba(127, 190, 201, .5);
}
span.link-button.color5 {
  background-color: #8ed598;
  box-shadow: 4px 4px rgba(142, 213, 152, .5);
}

.link-button.line2 {
  line-height: 1.2;
  padding: .5em 0 .65em;
  display: flex;
  text-align: left;
  justify-content: center;
}

.back-link {
  display: flex;
  justify-content: center;
  align-items: center;
  padding-left: 1rem;
}
.back-link::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 8px;
  clip-path: polygon(100% 0, 0 50%, 100% 100%);
  background-color: var(--main-color);
  margin-right: .8rem;
}

a.pdf-link::before {
  content: 'PDF';
  display: inline-block;
  color: #fff;
  background-color: #e02d2d;
  font-size: 80%;
  line-height: 1;
  padding: 0.1em;
  border-radius: 2px;
  margin-right: .8em;
}

/* animation ---------------------- */
.slide-up {
  opacity: 0;
  transform: translateY(30px);
  transition: transform 1s, opacity 1s;
}
.slide-up.action {
  transform: translateY(0px);
  opacity: 1;
}

.text-slide-up {
  overflow: hidden;
}
.text-slide-up span {
  display: inline-block;
  transform: translateY(calc(100% + 2px));
  transition: transform 1s;
}
.text-slide-up.action span {
  transform: translateY(0px);
}


/* news block ---------------------- */
.news-item {
  max-width: 730px;
  margin: 0 auto 2rem;
  line-height: 1.67;
  display: flex;
  flex-wrap: wrap;
}
.news-item:last-child {
  margin-bottom: 0;
}
.news-list > li {
  margin: 0 auto 2rem;
}
.news-item dt {
  width: 32%;
}
.news-item dt span {
  margin-left: 2rem;
  font-weight: 900;
}
.news-item dd {
  width: 68%;
}
@media screen and (max-width: 800px) {
  .news-item {
    flex-direction: column;
  }
  .news-item dt {
    width: 100%;
  }
  .news-item dd {
    width: 100%;
  }
}



/* contact block ---------------------- */
.section-contact::before {
  background-image: radial-gradient(circle, #908e8e 1.5px, transparent 1.5px);
  background-position: left bottom;
  background-repeat: repeat-x;
  background-size: 20px 3px;
  content: "";
  display: block;
  height: 4px;
  margin: auto;
  position: absolute;
  top: -3rem;
  width: 50%;
  left: calc(50% - 25%);
}
.section-contact {
  background-image: url(../image/top/bg-contact.jpg);
  background-size: cover;
  padding-bottom: clamp(3.5rem, 2.273rem + 5.45vw, 5rem);
}
.section-contact .content {
  text-align: center;
}
.section-contact .content span {
  display: inline-block;
}
.section-contact .content .tel {
  font-family: "Oswald", sans-serif;
  font-optical-sizing: auto;
  font-size: 2.46rem;
  font-weight: 600;
  letter-spacing: .08em;
}
.section-contact .link-button {
  width: 280px;
}


/* form parts ---------------------- */
.form-header {
  text-align: center;
}
.form-header .required {
  color: var(--color-red);
}
.form-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 2.5rem;
}
.form-table th {
  width: 9em;
  background-color: var(--main-color);
  color: #fff;
  text-align: left;
  vertical-align: top;
  font-weight: 400;
  padding: 1rem;
  border-bottom: solid 1px #fff;
}
.form-table.recruit th {
  background-color: var(--recruit-color);
}
.form-table td {
  padding: 1rem 1rem 1rem 3.6rem;
  position: relative;
}
.form-table td.required::before {
  content: '※';
  display: inline-block;
  color: var(--color-red);
  position: absolute;
  left: 1.3rem;
  top: 1rem;
}
.error {
  color: var(--color-red);
  font-weight: 400;
}
.form-footer {
  text-align: center;
  margin-top: 3rem;
}
.form-footer span {
  display: inline-block;
}
@media screen and (max-width: 460px) {
  .form-table th {
    display: block;
    width: 100%;
    box-sizing: border-box;
    padding: .5rem 1rem;
    margin-top: .5rem;
  }
  .form-table td {
    display: block;
    width: 100%;
    box-sizing: border-box;
  }
  .form-footer {
    text-align: left;
  }
  .form-footer span {
    display: inline;
  }
}
.form-footer .agree-block {
  margin-top: 1rem;
}
.form-footer .link-button.back {
  background-color: #666666;
  box-shadow: 4px 4px rgba(102, 102, 102, .5);
}


.filter-block {
  max-width: 800px;
  margin: 0 auto;
  padding: 5rem 1rem;
}
.filter-block form {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1.8rem 1rem;
}

.checkboxes {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  list-style: none;
  gap: 1em 2em;
}
.checkboxes.categories {
  width: 100%;
}
@media screen and (max-width: 480px) {
  .checkboxes {
    flex-direction: column;
  }
}
.checkboxes li.empty label {
  color: #999999;
}

.selectbox {
  display: inline-flex;
  align-items: center;
  position: relative;
}
.selectbox::after {
  position: absolute;
  right: 15px;
  width: 10px;
  height: 7px;
  background-color: #535353;
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  content: '';
  pointer-events: none;
}
.selectbox select {
  appearance: none;
  min-width: 150px;
  padding: .4em calc(.8em + 30px) .4em .8em;
  border: 1px solid #aaaaaa;
  background-color: #fff;
  color: #333333;
  font-size: 1em;
  cursor: pointer;
}

input[type="checkbox"] {
  cursor: pointer;
  padding-left: 42px;
  vertical-align: middle;
  position: relative;
  background: none;
  border: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}
input[type="checkbox"]::before,
input[type="checkbox"]::after {
  content: "";
  display: block; 
  position: absolute;
}
input[type="checkbox"]::before {
  background-color: #fff;
  border-radius: 0%;
  border: 1px solid #aaaaaa;
  width: 28px;
  height: 28px;
  transform: translateY(-50%);
  top: 50%;
  left: 5px;
}
input[type="checkbox"]::after {
  width: 30px;
  height: 30px;
  background-image: url(../image/common/check.png);
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
  opacity: 0;
  top: 50%;
  left: 8px;
  transform: translateY(-53%);
}
input[type="checkbox"]:checked::after {
  opacity: 1;
}

.radio-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1em 1.8em;
}
input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  width: 1.5rem;
  height: 1.5rem;
  border: 1px solid var(--color-gray2);
  border-radius: 50%;
  outline: none;
  cursor: pointer;
  margin-right: 5px;
  position: relative;
  padding: 0;
}
input[type="radio"]:checked {
  border-color: var(--color-gray2);
}
input[type="radio"]:checked::before {
  content: "";
  display: block;
  width: .8rem;
  height: .8rem;
  background: var(--color-gray2);
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
}
label {
  display: inline-flex;
  align-items: center;
}
input[type="text"],
input[type="email"],
input[type="tel"] {
  border-radius: 0;
  padding: .5em;
  border: 1px solid #999999;
  width: 100%;
  max-width: 400px;
  box-sizing: border-box;
}
textarea {
  border: 1px solid #999999;
  width: 100%;
  padding: .5em;
  box-sizing: border-box;
  line-height: 1.75
}


/* infinite-scroll ---------------------- */
.navigation-block {
  padding: 4rem 0 9rem;
}
.no-post {
  text-align: center;
  padding: 4rem 2rem 10rem;
}
.page-load-status {
  display: none;
  text-align: center;
}


/* youtube ----------------------------- */
.youtube-wrap {
  position: relative;
  width: 100%;
  margin: 0 auto;
}
.youtube {
  width: 100%;
  aspect-ratio: 16 / 9;
}
.youtube iframe {
  width: 100%;
  height: 100%;
}
img.thumbnail {
  position: absolute;
  width: 100%;
  aspect-ratio: 16 / 9;
  left: 0;
  top: 0;
}


/* slick ------------------------------ */
.slick-slide img {
  width: 100%;
}

/* prev / next  button */
.slick-prev,
.slick-next {
  width: 46px;
  height: 46px;
  background-color: #666666;
  border-radius: 50%;
  transition: .6s;
}
.slick-next:hover,
.slick-next:hover,
.slick-prev:focus,
.slick-next:focus {
  color: transparent;
  background-color: #666666;
}
.slick-prev {
  left: -70px;
}
.slick-next {
  right: -70px;
}
.slick-prev:before,
.slick-next:before {
  content: '';
  display: block;
  height: 20px;
  width: 20px;
  position: absolute;
  top: 50%;
  left: 34%;
  border-left: 2px solid #ffffff;
  box-shadow: none;
  border-top: 2px solid #ffffff;
  transition: .3s;
  border-radius: 3px 0 0 0;
  transform: translateY(-50%) rotate(-45deg);
}
.slick-next:before {
  transform: translateY(-50%) rotate(135deg);
  right: 34%;
  left: auto;
}

@media screen and (max-width: 900px) {
  .slick-next:hover,
  .slick-next:hover,
  .slick-prev:focus,
  .slick-next:focus {
      opacity: .7;
  }
  .slick-prev {
    left: -23px;
    z-index: 1;
  }
  .slick-next {
    right: -23px;
  }
}

@media (any-hover: hover) {
  .slick-prev:hover:before{
    left: 26%;
  }
  .slick-next:hover:before {
    right: 26%;
  }
}


/* center slick */
.center-slick .slick-track {
  display: flex;
}
.center-slick .slick-slide {
  opacity: .6;
  transition: .6s;
  height: auto;
}
.center-slick .slick-slide.slick-center {
  opacity: 1;
}
.center-slick .slick-prev,
.center-slick .slick-next {
  width: 38px;
  height: 100%;
  border-radius: 0;
}
.center-slick .slick-prev {
  left: 0;
  z-index: 1;
}
.center-slick .slick-next {
  right: 0;
}

.center-slick .slick-prev:before,
.center-slick .slick-next:before {
  width: 6px;
  height: 8px;
  clip-path: polygon(0 0, 100% 50%, 0 100%);
  background-color: #fff;
  transform: none;
  opacity: 1;
}
.center-slick .slick-prev:before {
  clip-path: polygon(100% 100%, 0 50%, 100% 0);
}