@charset "UTF-8";
/* =================
common sp
================= */
:root {
    --primary-white:#ffffff;
    --primary-black:#333333;
    --primary-navy:#00194c;
    --primary-blue:#005DA0;
    --primary-green:#00A692;
    --primary-gray:rgba(210, 210, 210, 0.1);
    --primary-lightGray:rgba(210, 210, 210, 0.5);
    --gradation-nav:linear-gradient(rgba(0,166,146,0.9),rgba(0,93,160,0.9));
    --gradation-blue-green:linear-gradient(90deg, #005DA0, #00A692);
    --gradation-green-blue:linear-gradient(90deg, #00A692, #005DA0);
    --gradation-company:linear-gradient(45deg, #005DA0, #00A692);
    --gradation-footer:linear-gradient(45deg, #00A692, #005DA0);
}

html {
    font-size: 62.5%;
}

body {
    font-family: 
    "Noto Sans JP", 
    Arial,
    sans-serif;
    font-size: 1.8rem;
    font-style: normal;
    font-weight: 400;
    line-height: 1.5;
    color: var(--primary-navy,#00194C);
    background-color: var(--primary-white,#ffffff);
}

main {
    overflow: hidden;
}

img {
    max-width: 100%;
    height: auto;
}

.title__page {
    font-family: "Open Sans", sans-serif;
    font-size: 3.4rem;
    font-weight: 700;
    letter-spacing: 1.5rem;
    text-shadow: 4px 4px 1px rgba(3, 3, 3, 0.1);
    background: var(--gradation-blue-green);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn {
    display: block;
    max-width: 315px;
    height: 50px;
    border-radius: 4px;
    padding: 18px 0;
    margin: 0 auto;
    background: var(--gradation-blue-green);
    color: var(--primary-white);
    font-weight: 700;
    line-height: 1;
    text-align: center;
    position: relative;
    transition: ease .2s;
}

.btn::after {
    content: '';
    width: 12px;
    height: 12px;
    background-image: url(../images/arrow.svg);
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    position: absolute;
    top: 50%;
    right: 4%;
    transform: translate(-50%,-50%);
    z-index: 300;
}

.btn span {
    position: relative;
    z-index: 300;
}

/* gradation move */
.gradation-left:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  z-index: 200;
  background:var(--gradation-green-blue);
  width: 100%;
  height: 100%;
  border-radius: 4px;
  transition: transform .6s cubic-bezier(0.8, 0, 0.2, 1) 0s;
  transform: scale(0, 1);
  transform-origin: right top;
}

/* hover */
.gradation-left:hover:before{
    border-radius: 4px;
    transform-origin:left top;
    transform:scale(1, 1);
}

/* =================
common pc 769px
=================== */
@media screen and (min-width:769px) {
.btn {
    max-width: 334px;
    height: 80px;
    padding: 30px 0px;
    margin: 0 auto;
}

.btn::after {
    width: 16px;
    height: 16px;
}
}

/* fadeIn */
.fadeIn {
    transform: translate(0,80px);
    opacity: 0;
    transition: 0.8s;
}

.fadeIn.animated {
    transform: translate(0,0);
    opacity: 1;
}

/* ===============
header sp
================= */
.header {
    width: 100%;
    padding: 20px 5.3%;
    position: fixed;
    top: 0;
    z-index: 100;
    transition: 0.4s;
}

.header__inner {
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header__title,
.nav__title {
    color: var(--primary-white);
    font-family: "Open Sans", sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
} 

.header__title a,
.nav__title a {
    display: flex;
    align-items: center;
}

.header__title span,
.nav__title span {
    display: block;
}

 /* nav sp */
.nav {
    width: 100%;
    height: 100vh;
    background: var(--gradation-nav);
    padding: 20px 5.3%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    transform: translateX(-100%);
    transition: 0.4s;
}

.nav__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__list {
    padding: 0 8%;
    margin-top: 108px;
}

.nav__item {
    display: block;
    width: 100%;
    height: 40px;
    margin: 0 auto;
    padding: 6px 10px;
    margin-top: 36px;
    border-bottom: 1px solid var(--primary-white);

    font-family: "Open Sans", sans-serif;
    color: var(--primary-white);
    font-size: 1.8rem;
    font-weight: 700;
    position: relative;
}

.nav__item::after {
    content: '';
    width: 12px;
    height: 20px;
    background-image: url(../images/arrow.svg);
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    position: absolute;
    top: 50%;
    right: 5%;
    transform: translate(-50%,-50%);
}

.btn--nav {
    font-family: "Open Sans", sans-serif;
    margin-top: 75px;
    margin: 75px auto 0;
    color: var(--primary-blue);
    background: var(--primary-white);
}

.btn--nav::after {
    content: '';
    width: 12px;
    height: 12px;
    background-image: url(../images/arrow-nav.svg);
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    position: absolute;
    top: 50%;
    right: 4%;
    transform: translate(-50%,-50%);
    z-index: 300;
}

/* .nav.active */
.nav.active {
    transform: translateX(0);
}

/* langage */
.lang {
    display: block;
    padding: 0 9%;
    margin-top: 75px;
}

.lang__font {
    color: var(--primary-white);
    font-family: "Open Sans", sans-serif;
    font-size: 1.8rem;
    display: flex;
}

.lang__font::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    background-image: url(../images/lang-icon.svg);
    background-position: center;
    background-size: contain;
    background-repeat: no-repeat;
    position: relative;
    transform: translateY(3px);
    margin-right: 6px;
}

/* ==================
header__btn 
===================*/
.header__btn{
    position: relative;
    cursor: pointer;
    width: 50px;
    height:50px;
}

.header__btn span{
    display: inline-block;
    transition: 0.4s;
    position: absolute;
    left: 12px;
    height: 2px;
    background: var(--primary-white);
    width: 60%;
}

.header__btn span:nth-of-type(1) {
    top:14px; 
}

.header__btn span:nth-of-type(2) {
    top:24px;
}

.header__btn span:nth-of-type(3) {
    top:34px;
}

.header__btn.active span:nth-of-type(1) {
    top: 18px;
    left: 18px;
    transform: translateY(6px) rotate(-45deg);
    width: 64%;
    z-index: 100;
}

.header__btn.active span:nth-of-type(2) {
    opacity: 0;
}

.header__btn.active span:nth-of-type(3){
    top: 30px;
    left: 18px;
    transform: translateY(-6px) rotate(45deg);
    width: 64%;
    z-index: 100;
}

.header.change-color {
    background: rgba(0, 25, 76, 0.8);
}

/* ================
header pc 769px
================== */
@media screen and (min-width:769px) {
.header {
    padding: 36px 4.2%;
}

.header__title,
.nav__title {
    font-size: 2.0rem;
} 

/* nav pc */
.nav {
    width: auto;
    height: auto;
    background: transparent;
    padding: 0;
    position: static;
    z-index: 100;
    transform: translateX(0);
    display: flex;
    align-items: center;
}

.nav__header {
    display: none;
}

.nav__list {
    padding: 0;
    margin-top: 0;
    display: flex;
    align-items: center;
    gap: 0 30px;
}

.nav__item {
    display: inline-block;
    height: auto;
    padding: 0;
    margin: 0;
    border-bottom: none;
    color: var(--primary-white);
}

.nav__item::after {
    display: none;
}

.btn--nav {
    width: 100%;
    margin-top: 0;
    margin: 0;
    color: var(--primary-white);
    background: var(--gradation-blue-green);
    max-width: 170px;
    height: 42px;
    padding: 12px 20px;
    font-size: 1.8rem;
    margin-left: 30px;
}

.btn--nav::after {
    background-image: none;
}

.header__btn {
    display: none;
}

/* langage */
.lang {
    padding: 0 ;
    margin-left: 40px;
    margin-top: 0;
}
}

/* =================
header pc  1280px
==================== */
@media screen and (min-width:1280px) {
.header__title,
.nav__title {
    font-size: 3.2rem;
} 

.header__title span,
.nav__title span {
    display: inline;
}

.nav__list {
    gap: 0 40px;
}

.btn--nav {
    margin-left: 40px;
}
}

/* ================
contact sp
================== */
.contact {
    padding: 60px 8% 60px;
    background-image: url(../images/contact-back-img-sp.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    position: relative;
}

.contact::after {
    content: '';
    width: 100%;
    height: 100%;
    background-color: rgba(255 ,255, 255, 0.5);
    position: absolute;
    top: 0;
    left: 0;
}

.title--contact {
    text-align: center;
    flex-direction: column;
}

.title__page--contact {
    position: relative;
    z-index: 200;
}

.title-sub__page {
    color:var(--primary-navy);
    font-weight: 400;
    position: relative;
    z-index: 200;
}

.btn--contact {
    padding: 14px 0;
    margin: 0 auto;
    margin-top: 50px;
    z-index: 200;
}

/* ===============
contact pc 769px
================ */
@media screen and (min-width:769px) {
.contact {
    padding: 60px 0 100px;
    background-image: url(../images/contact-back-img-pc.jpg);
    position: relative;
}

.title--contact {
    width: 100%;
    display: block;
}

.title-sub__page {
    margin-top: 20px;
}

.btn--contact {
    padding: 26px 0;
    margin-top: 80px;
}
}

/* ================
footer sp
================== */
.footer {
    padding: 80px 8% 30px;
    width: 100%;
    background: var(--gradation-footer);
    color: var(--primary-white);
}

.footer__title {
    font-size: 1.6rem;
    font-weight: 700;
}

.menu__item {
    margin-top: 20px;
}

.menu__item:first-of-type {
    margin-top: 24px;
}

.menu__item--line {
    text-decoration: underline;
    text-underline-offset: 4px;
}

.copy {
    font-size: 1.2rem;
    text-align: center;
    margin-top: 60px;
}


/* ================
footer pc 769px
================== */
@media screen and (min-width:769px) {
.footer {
    padding: 80px 8% 52px;
    margin: 0 auto;
    text-align: center;
}

.footer__title {
    font-size: 1.8rem;
}

.menu__list {
    margin-top: 22px;
    display: flex;
    gap: 0 50px;
    justify-content: center;
}

.menu__item {
    margin-top: 0px;
}

.menu__item:first-of-type {
    margin-top: 0px;
}

.menu__item--line {
    text-decoration: underline;
    text-underline-offset: 4px;
}

.copy {
    font-size: 1.2rem;
    text-align: center;
    margin-top: 60px;
}

.btn--contact span {
    line-height: 1.5;
}
}