@charset "UTF-8";

:root {
  --color-white: #fff;
  --color-black: #000;
  --color-blue: #1447a8;
  --color-bg-blue: #f4f8fe;
  --color-bg-blue2: #e6f0fb;

  --font-sans: "Noto Sans JP", sans-serif;
  --font-serif: "Noto Serif JP", serif;

  --inner: 1200px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
}

body {
  color: var(--color-black);
  font-family: var(--font-sans);
  font-size: 1.6rem;
  line-height: 1.8;
}

img {
  display: block;
  width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

h1 {
  font-weight: 400;
  line-height: 1.2;
}

h2 {
  font-weight: 600;
  line-height: 1.2;
}

h3,
h4 {
  font-weight: 600;
  line-height: 1.4;
}

li {
  list-style: none;
}

.txt-justify {
  text-align: justify;
}

.letter-tight {
  letter-spacing: -0.03em;
}

.br-sp-no {
  display: block;
}

@media screen and (max-width: 500px) {
  .br-sp-no {
    display: none;
  }
}

.br-420 {
  display: none;
}

@media screen and (max-width: 420px) {
  .br-420 {
    display: block;
  }
}

.br-520 {
  display: none;
}

@media screen and (max-width: 520px) {
  .br-520 {
    display: block;
  }
}

.br-600 {
  display: none;
}

@media screen and (max-width: 600px) {
  .br-600 {
    display: block;
  }
}

@media screen and (max-width: 600px) {
  .txt-justify {
    text-align: justify;
  }
}


/* =================================
section
================================= */

.section {
  padding-block: 80px;
}

.section-inner {
  width: 100%;
  max-width: var(--inner);
  margin-inline: auto;
}

@media screen and (max-width: 1200px) {
  .section-inner {
    padding-inline: 4%;
  }
}

@media screen and (max-width: 768px) {
  .section {
    padding-block: 40px;
  }

  .section-inner {
    padding-inline: 6%;
  }
}

/* =================================
common title
================================= */

.c-ttl {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.c-ttl__en {
  margin-bottom: 5px;
  color: var(--color-blue);
  font-weight: 500;
  letter-spacing: .08em;
}

.c-ttl__ja {
  margin-bottom: 40px;
  font-size: 2.4rem;
}

@media screen and (max-width: 768px) {
  .c-ttl__ja {
    font-size: 1.6rem;
  }
}


/* =================================
common button
================================= */

.c-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 240px;
  height: 65px;
  font-weight: 500;
  transition:
    background .3s,
    color .3s;
}

.c-btn--border {
  border: 1px solid var(--color-blue);
  background: var(--color-white);
  color: var(--color-blue);
}

.c-btn--border:hover {
  background: var(--color-blue);
  color: var(--color-white);
}

.c-btn--arrow img {
  position: absolute;
  top: 50%;
  right: 15px;
  width: 18px;
  transform: translateY(-50%);
  transition:
    filter .3s,
    transform .3s;
}

.c-btn--arrow:hover img {
  filter: brightness(0) invert(1);
  transform: translate(5px, -50%);
}




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

.header {
  position: fixed;
  z-index: 1000;
  top: 0;
  left: 0;
  width: 100%;
  height: 100px;
  background: var(--color-white);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--inner);
  height: 100%;
  margin-inline: auto;
}

.header__logo {
  display: block;
  flex-shrink: 0;
  width: 350px;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 30px;
  height: 100%;
}

.header__list {
  display: flex;
  align-items: center;
  gap: 35px;
  height: 100%;
}

.header__item {
  height: 100%;
}

.header__item a {
  display: flex;
  align-items: center;
  height: 100%;
  font-weight: 600;
  white-space: nowrap;
  transition: opacity .3s;
}

.header__item a:hover {
  opacity: .6;
}

.header__contact {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 180px;
  height: 48px;
  border-radius: 5px;
  background: var(--color-blue);
  color: var(--color-white);
  font-weight: 600;
  white-space: nowrap;
  transition: opacity .3s;
}

.header__contact:hover {
  opacity: .8;
}

.header__contact-icon {
  width: 24px;
}

.header__hamburger {
  display: none;
}

.header-menu {
  display: none;
}


@media screen and (max-width: 1200px) {
  .header__inner {
    padding-inline: 4%;
  }

  .header__logo {
    width: 300px;
  }

  .header__nav {
    gap: 25px;
  }

  .header__list {
    gap: 25px;
  }
}


@media screen and (max-width: 930px) {

  .header__inner {
    padding-inline: 6%;
  }

  .header__logo {
    position: relative;
    z-index: 1002;
    width: 280px;
    max-width: calc(100% - 70px);
  }

  .header__nav {
    display: none;
  }

  .header__hamburger {
    position: relative;
    z-index: 1002;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 38px;
    height: 26px;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
  }

  .header__hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-black);
    transition:
      transform .3s,
      opacity .3s;
  }

  .header__hamburger.is-open span:nth-child(1) {
    transform: translateY(12px) rotate(45deg);
  }

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

  .header__hamburger.is-open span:nth-child(3) {
    transform: translateY(-12px) rotate(-45deg);
  }

  .header-menu {
    position: fixed;
    z-index: 1001;
    top: 0;
    left: 0;
    display: block;
    width: 100%;
    height: 100dvh;
    padding: 120px 6% 40px;
    background: var(--color-white);
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transition:
      opacity .3s,
      visibility .3s;
  }

  .header-menu.is-open {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
  }

  .header-menu__inner {
    width: 100%;
  }

  .header-menu__list {
    display: flex;
    flex-direction: column;
    gap: 30px;
  }

  .header-menu__item a {
    display: block;
    font-size: 2rem;
    font-weight: 600;
  }

  .header-menu__contact {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    width: 100%;
    height: 70px;
    margin-top: 40px;
    border-radius: 12px;
    background: var(--color-blue);
    color: var(--color-white);
    font-size: 2rem;
    font-weight: 600;
  }

  .header-menu__contact-icon {
    width: 30px;
  }

  body.is-menu-open {
    overflow: hidden;
  }
}

@media screen and (max-width: 768px) {
  .header {
    height: 80px;
  }
}  


/* =================================
page-mv
================================= */

.page-mv {
  margin-top: 100px;
  background: url("../img/common/page-mv.webp") center / cover no-repeat;
  color: var(--color-white);
}

.page-mv__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  padding-inline: 4%;
}

.page-mv__content {
  text-align: center;
}

.page-mv__en {
  display: block;
  letter-spacing: .08em;
}

.page-mv__ttl {
  margin-bottom: 30px;
  font-size: 3.6rem;
}

.page-mv__lead {
  font-family: var(--font-serif);
  font-size: 5.2rem;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: .05em;
}

@media screen and (max-width: 768px) {
  .page-mv {
    margin-top: 80px;
  }

  .page-mv__inner {
    min-height: 200px;
    padding-inline: 6%;
  }

  .page-mv__ttl {
    margin-bottom: 25px;
    font-size: 2rem;
  }

  .page-mv__lead {
    font-size: 2.4rem;
  }
}


/* =================================
contact-cta
================================= */

.contact-cta {
  padding-block: 40px;
  background: url("../img/common/bg-contact-cta.webp") center / cover no-repeat;
  color: var(--color-white);
}

.contact-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.contact-cta__ttl {
  font-family: var(--font-serif);
  font-size: 3.2rem;
  font-weight: 600;
  line-height: 1.6;
}

.contact-cta__txt {
  margin-top: 5px;
}

.contact-cta__btn {
  position: relative;
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  gap: 20px;
  width: 500px;
  height: 100px;
  background: var(--color-white);
  color: var(--color-blue);
  font-size: 2.4rem;
  font-weight: 600;
  transition: opacity .3s;
  border-radius: 5px;
  line-height: 1.2;
}

.contact-cta__btn > img:first-child {
  width: 28px;
}

.contact-cta__arrow {
  position: absolute;
  top: 50%;
  right: 24px;
  width: 24px;
  transform: translateY(-50%);
  transition: transform .3s ease;
}

.contact-cta__btn:hover {
  opacity: .85;
}

.contact-cta__btn:hover .contact-cta__arrow {
  transform: translate(8px, -50%);
}


@media screen and (max-width: 1000px) {
  .contact-cta__btn {
    width: 45%;
  }
}


@media screen and (max-width: 768px) {
  .contact-cta {
    padding-block: 30px;
  }

  .contact-cta__inner {
    flex-direction: column;
    align-items: stretch;
    gap: 20px;
  }

  .contact-cta__ttl {
    font-size: 2rem;
  }

  .contact-cta__btn {
    width: 100%;
    height: 90px;
    font-size: 2rem;
    justify-content: flex-start;
    padding: 15px;
  }
}

@media screen and (max-width: 370px) {
  .contact-cta__btn {
    gap: 15px;
    font-size: 1.8rem;
  }
  .contact-cta__arrow {
    right: 18px;
    width: 18px;
  }
}


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

.footer {
  background: var(--color-white);
}

.footer__main {
  display: flex;
  align-items: center;
  padding-block: 25px;
}

.footer__logo {
  flex-shrink: 0;
  width: 415px;
  padding-right: 30px;
}

.footer__nav {
  display: flex;
  flex-direction: column;
  padding-inline: 30px;
  border-right: 1px solid #bbb;
  border-left: 1px solid #bbb;
  line-height: 1.5;
}

.footer__nav a {
  font-weight: 600;
}

.footer a:hover {
  opacity: .7;
}

.footer__group {
  display: flex;
  flex: 1;
  align-items: center;
  gap: 25px;
  padding-left: 30px;
}

.footer__group-label {
  flex-shrink: 0;
  font-weight: 600;
}

.footer__daiwa {
  width: 274px;
}

.footer__sbx {
  width: 123px;
}

.footer__bottom {
  background: var(--color-bg-blue);
}

.footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 50px;
}

.footer__bottom a,
.footer__bottom small {
  font-size: 1.4rem;
}


@media screen and (max-width: 1200px) {
  .footer__logo {
    width: 35%;
  }

  .footer__nav {
    padding-inline: 20px;
  }

  .footer__group {
    gap: 15px;
    padding-left: 20px;
  }

  .footer__daiwa {
    width: 180px;
  }

  .footer__sbx {
    width: 90px;
  }
}


@media screen and (max-width: 768px) {
  .footer__main {
    flex-direction: column;
    align-items: flex-start;
    padding-block: 30px;
  }

  .footer__logo {
    width: 100%;
    max-width: 330px;
    padding-right: 0;
  }

  .footer__nav {
    width: 100%;
    gap: 5px;
    margin-top: 20px;
    padding: 0 0 20px;
    border-right: 0;
    border-bottom: 1px solid #bbb;
    border-left: 0;
  }

  .footer__nav a {
    font-size: 1.4rem;
  }

  .footer__group {
    flex-wrap: wrap;
    width: 100%;
    gap: 20px;
    padding: 20px 0 0;
  }

  .footer__group-label {
    width: 100%;
  }

  .footer__daiwa {
    width: 65%;
  }

  .footer__sbx {
    width: 25%;
  }

  .footer__bottom-inner {
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    min-height: 70px;
    text-align: center;
  }
}

@media screen and (max-width: 500px) {
  .footer__group {
    flex-direction: column;
  }
  .footer__group-label {
    text-align: center;
  }
}