@charset "UTF-8";

:root {
  --cl-main-01: #13438B;
  --cl-main-02: #F8FAFC;
  --cl-accent-01: #172554;
  --cl-accent-02: #96C5CB;
  --cl-accent-03: #8EA2BB;
  --cl-text-bk: #333333;
  --cl-text-gr: #8A99AB;
  --mw-max-width: 1280px;
  --font-Mincho: "Yu Mincho", "YuMincho","MS Mincho","Noto Serif JP", serif;
  --font-NotoSerif: "Noto Serif JP", serif;
  --font-NotoSans: "Noto Sans JP", sans-serif;
}

body .cl01 {
    color: var(--cl-main-01);
}
body .ac01 {
    color: var(--cl-accent-01);
}
body .bg01 {
    background-color: var(--cl-main-01);
}
body .bg02 {
    background-color: var(--cl-main-02);
}

/* font */
.__en {
  font-family: "Roboto", sans-serif;
}

.__serif {
  font-family: var(--font-Mincho);
}

/* base style */
html .pc {
  display: none !important;
}
@media only screen and (min-width: 768px) {
  html .pc {
    display: block !important;
  }
}

html .pc_lg {
  display: none !important;
}
@media only screen and (min-width: 1025px) {
  html .pc_lg {
    display: block !important;
  }
}

@media only screen and (min-width: 768px) {
  html .sp {
    display: none !important;
  }
}

@media only screen and (min-width: 501px) {
  html .sp_sm {
    display: none !important;
  }
}
@media screen and (max-width: 300px) {
  .sp, .sp_sm{
    display: none;
  }
}

html {
  line-height: 1.6;
}

html body {
  margin: 0;
  padding: 0;
  font-family: "Yu Gothic Medium", "Yu Gothic", "YuGothic", "Noto Sans JP", sans-serif;
  -webkit-font-smoothing: antialiased;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.6;
  color: var(--cl-text-bk);
  background-color: #fff;
  -webkit-font-smoothing: antialiased;
  width: 100%;
  left: 0;
  font-size: 1.4rem;
}

@media only screen and (min-width: 768px) {
  html body {
    font-size: 1.6rem;
  }
}

html .wrapper,
html #wrapper {
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  position: relative;
  overflow: hidden;
}

html main {
  width: 100%;
  position: relative;
}

html a {
    transition: all 0.3s ease;
}
html a:hover {
    opacity: 0.6;
}


html img {
  width: 100%;
  height: auto;
}

html address {
  font-style: normal;
}

/* ==================== */
/* ページ共通 */
/* ==================== */

.c_container{
    width: 100%;
    max-width: var(--mw-max-width);
    margin: 0 auto;
    padding-top: 90px;
    padding-bottom: 100px;
    padding-left: 20px;
    padding-right: 20px;
}
@media only screen and (max-width: 1200px) {
    .c_container{
        padding-top: 50px;
        padding-bottom: 80px;
        padding-left: 4%;
        padding-right: 4%;
    }
}

.bg02 > .c_container{
    width: 100%;
    margin: 0 auto;
    padding-top: 100px;
    padding-bottom: 100px;
}
@media only screen and (max-width: 768px) {
    .bg02 > .c_container{
        width: 100%;
        margin: 0 auto;
        padding-top: 80px;
        padding-bottom: 80px;
    }
}

.scroll_to_target {
  scroll-margin-top: 90px;
}
@media only screen and (max-width: 768px) {
    .scroll_to_target {
        scroll-margin-top: 60px;
    }
}
/* ===== section title =====*/
.c_sectitle_center {
  text-align: center;
  margin-bottom: 80px;
  position: relative;
  padding-top: 50px;
}
@media screen and (max-width: 767px) {
    .c_sectitle_center {
        margin-bottom: 60px;
    }
}

.c_sectitle_center::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 40px;
  background-color: var(--cl-main-01);
}
.bg01 .c_sectitle_center::before {
    background-color: #fff;
}

.c_sectitle_sub {
  display: block;
  font-size: 1.4rem;
  letter-spacing: 0.1em;
  color: var(--cl-main-01);
  margin-bottom: 15px;
  font-weight: 600;
}
.bg01 .c_sectitle_sub {
    color: #fff;
}

.c_sectitle_main {
  font-size: 3rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--cl-accent-01);
}
@media screen and (min-width: 1025px) {
    .c_sectitle_main {
        font-size: 3.6rem;
    }
}
@media screen and (max-width: 767px) {
    .c_sectitle_main {
        font-size: 2.4rem;
    }
}
@media screen and (max-width: 500px) {
    .c_sectitle_main {
        font-size: 2.0rem;
    }
}

.bg01 .c_sectitle_main{
    color: #fff;
}

.c_sectitle_side {
    margin-bottom: 40px;
}

.c_sectitle_side .c_sectitle_sub {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.c_sectitle_side .c_sectitle_sub::before {
    content: "";
    display: block;
    width: 40px;
    height: 1px;
    background-color:  var(--cl-main-01);
}


/* ==================== */
/* header */
/* ==================== */

.header {
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1100;
  transition: all 1.0s ease-out;
  background-color: transparent;;
}

.header.is_show {
  background-color: rgba(255, 255, 255, 0.9);
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
  box-shadow: 0 4px 20px -5px rgba(0, 43, 91, 0.1);
}

.header_container {
    margin: 0 auto;
    padding: 0 20px;
    height: 80px;
    width: 100%;
    max-width: var(--mw-max-width);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.4s ease;
}

.header_logo_link {
    display: flex;
    align-items: center;
    justify-content: start;
    text-decoration: none;
    color: inherit;
    width: 100%;
    height: 100%;
}

.logo_img {
    flex: 1;
    display: block;
    width: 70px;
    height: 100%;
    max-height: 60px;
    object-fit: contain;
    background-color: transparent; 
    font-weight: bold;
    color: var(--cl-main-01);
    margin-right: 4px;
}

.logo_text {
    font-weight: 400;
    letter-spacing: 0.14em;
    font-size: 1.6rem;
    line-height: 1.2;
    font-family: "Noto Serif JP", serif;
    color: #00347A;
}

.header_nav {
    display: flex;
    align-items: center;
}

.nav_list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav_list li {
    margin-left: 20px;
}

.nav_list li a {
    font-family: "Noto Sans JP", sans-serif;
    font-size: 1.4rem;
    letter-spacing: 0.1em;
    text-decoration: none;
    font-weight: bold;
    color: var(--cl-main-01);
}

.contact_btn {
    background-color: var(--cl-main-01);
    color: #fff ;
    padding: 10px 26px;
    font-size: 1.4rem;
    margin-left: 28px;
    text-decoration: none;
    font-weight: 400;
    white-space: nowrap;
    display: inline-block;
}

.contact_btn:hover {
    filter: brightness(1.2);
    opacity: 1;
}

.nav .contact_btn {
    display: none;
}

.nav_toggler {
    display: none;
    cursor: pointer;
    z-index: 1200;
}

.hamburger_label {
    display: none;
    cursor: pointer;
    width: 30px;
    height: 24px;
    position: relative;
    z-index: 1200;
    margin-left: 20px;
}

.hamburger_label span,
.hamburger_label span::before,
.hamburger_label span::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 1px;
    background-color: #333;
    transition: all 0.4s;
}

.hamburger_label span { top: 8px; }
.hamburger_label span::before { top: -8px; }
.hamburger_label span::after { top: 8px; }

.hamburger_text {
  font-size: 10px;
  position: absolute;
  top: 20px;
}


@media only screen and (min-width: 1401px) {
    .header_container {
        padding: 0 40px;
    }

    .nav_list li {
        margin-left: 40px;
    }

    .contact_btn {
        margin-left: 30px;
    }
}

@media screen and (max-width: 1200px) {

    .hamburger_label {
        display: block;
    }

    .logo_text{
        letter-spacing: 0.1em;
        font-size: 1.3rem;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: #fff;
        box-shadow: -5px 0 15px rgba(0,0,0,0.1);
        padding-top: 80px;                
        transition: right 0.4s ease-in-out;
        z-index: 1200;
    }

    .nav_list {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 40px;
    }

    .nav_list li {
        margin: 14px 0;
        margin-left: 0;
    }

    .nav_list li a {
        font-size: 1.4rem;
    }

    .nav_list li a::before {
        content: "";
        display: inline-block;
        width: 8px;
        height: 8px;
        border-top: 1px solid var(--cl-main-01);
        border-right: 1px solid var(--cl-main-01);
        transform: rotate(45deg);
        margin-right: 14px;
    }

    .contact_btn {
        margin-left: 10px;
    }

    .nav .contact_btn {
        display: block;
        margin: 14px 28px;
    }

    .bg_overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.5);
        z-index: 1040;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
    }

    .nav_toggler {
        display: block;
    }

    .is_open .bg_overlay {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transition: opacity 0.35s ease-in-out, visibility 0.35s ease-in-out;
    }

    .hamburger_label {
        margin-left: 20px;
        display: block;
    }

    .nav.is_open {
        right: 0;
        transition: right 0.6s cubic-bezier(0.19, 1, 0.22, 1);
    }

    .nav_toggler.is_open .hamburger_label span {
        background-color: transparent;
    }
    .nav_toggler.is_open .hamburger_label span::before {
        transform: rotate(45deg);
        top: 0;
    }
    .nav_toggler.is_open .hamburger_label span::after {
        transform: rotate(-45deg);
        top: 0;
    }
}

@media screen and (max-width: 767px) {

    .header_container {
        padding: 0 14px;
        height: 60px;
    }

    .header_logo{
        height: 50px;
    }

    .logo_img {
        width: 60px;
        height: auto;
    }

    .contact_btn {
        padding: 8px 18px;
        font-size: 1.2rem;
    }

    .hamburger_label {
        width: 30px;
        height: 24px;
        margin-left: 14px;
    }

    .logo_text{
        letter-spacing: 0.1em;
        font-size: 1.1rem;
    }
}

/* ==================== */
/* footer */
/* ==================== */

.back_to_top {
    position: fixed;
    bottom: 30px;
    right: 20px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 99;
    transform: translateX(100%);

    /* background-color: #fff; */
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(10px);

    /* border: var(--cl-main-01) 0.5px solid; */
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;

    /* box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25); */
    box-shadow: 
    0 4px 10px 0 rgba(31, 38, 135, 0.15),
    inset -5px -5px 10px rgba(255, 255, 255, 0.2),
    inset 5px 5px 10px rgba(0, 0, 0, 0.05);
}

.back_to_top img {
  display: block;
  width: 70%;
  height: 70%;
  object-fit: contain;
  border-radius: 50%;
  /* transform: rotate(-90deg); */
  transition: all 0.4s ease-in-out;
  /* filter: brightness(0) invert(1); */
  filter: invert(16%) sepia(89%) saturate(2331%) hue-rotate(206deg) brightness(94%) contrast(102%);
}

@media only screen and (min-width: 768px) {
  .back_to_top {
    right: 40px;
    bottom: 40px;
    width: 60px;
    height: 60px;
  }
  .back_to_top img {
    width: 80%;
    height: 80%;
    }
    .back_to_top:hover {
    background-color: var(--cl-main-01);
    }
    .back_to_top:hover img {
    filter: brightness(0) invert(1);
    }
}

.back_to_top.show {
  opacity: 1;
  transform: translateX(0);
  visibility: visible;
}
.back_to_top.show img {
    transform: rotate(-90deg);
}

.footer {
  padding: 20px 0 24px;
  background-color: #fff;
  border-top: 1px solid #F8FAFC;
  text-align: center;
}

.footer_inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.footer_link_list {
  display: flex;
  justify-content: center;
  align-items: center;
  list-style: none;
  margin-bottom: 8px;
  gap: 14px;
}

.footer_link_list li a {
  position: relative;
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--cl-text-bk);
  font-size: 1.4rem;
  letter-spacing: 0em;
}

.footer_link_list li a::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  border-top: 2px solid var(--cl-main-01);
  border-right: 2px solid var(--cl-main-01);
  transform: rotate(45deg);
  margin-right: 8px;
}

.copyright {
  font-size: 1.2rem;
  color: var(--cl-text-gr);
  letter-spacing: 0.1em;
  margin: 0;
}

@media screen and (max-width: 767px) {
  .footer_link_list {
    flex-direction: column;
    gap: 8px;
    align-items: start;
  }
}


/* ==================== */
/* 404 */
/* ==================== */

.header_notfound {
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1100;
  transition: all 0.4s ease;
  background-color: rgba(255, 255, 255, 0.9);
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
  box-shadow: 0 4px 20px -5px rgba(0, 43, 91, 0.1);
}

.header_notfound_container {
  margin: 0 auto;
  padding: 0 20px;
  height: 80px;
  width: 100%;
  max-width: 1200px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.4s ease;
}

.header_notfound_logo_link {
    display: flex;
    align-items: center;
    justify-content: start;
    text-decoration: none;
    color: inherit;
    width: 100%;
    height: 100%;
}

.header_notfound_logo_img {
    flex: 1;
    display: block;
    width: 70px;
    height: 100%;
    max-height: 60px;
    object-fit: contain;
    background-color: transparent; 
    color: var(--cl-main-01);
    margin-right: 4px;
}

.header_notfound_logo_text {
    font-weight: 400;
    letter-spacing: 0.1em;
    line-height: 1.2;
    font-weight: bold;
    font-family: "Noto Serif JP", serif;
    color: #00347A;
}

@media only screen and (min-width: 1401px) {
  .header_notfound_container {
      padding: 0 40px;
  }

  .header_notfound_logo_text{
      font-size: 1.8rem;
  }

  .header_notfound_nav_list li {
      margin-left: 40px;
  }

  .header_notfound_contact_btn {
      margin-left: 30px;
  }
}

@media screen and (max-width: 767px) {

    .header_notfound_container {
        padding: 0 14px;
        height: 60px;
    }

    .header_notfound_header_logo{
        height: 50px;
    }

    .header_notfound_logo_img {
        width: 60px;
        height: auto;
    }
}

.notfound .c_sectitle_center {
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  margin-top: 80px;
}

.notfound_content{
    text-align: center;
    margin-bottom: 60px;
}
@media only screen and (min-width: 768px) {
    .notfound_content{
        margin-bottom: 40px;
    }
}

.notfound_txt_main{
    font-size: 1.6rem;
    font-weight: bold;
    margin-bottom: 1rem;
}
@media only screen and (min-width: 768px) {
  .notfound_txt_main{
        font-size: clamp(2.5rem, 2.5rem + 0.0174050633 * (100vw - 768px), 3.6rem);
  }
}