@charset "utf-8";
/* ▼ COMMON ▼---------------------------------------- */
body {
    background-image: url(../images/common__bg.jpg);
}
body::before {
    content: "";
    position: fixed;
    top: 0;
    right: 16%;
    width: 7px;
    height: 100vh;
    background-color: #005271;
    z-index: -100;
}
@media screen and (max-width: 767px) {
    body::before {
        right: 10%;
        width: 5px;
        height: 120vh;
    }
}

/* -- header -- */
.header__innner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100px;
    padding: 15px;
    box-sizing: border-box;
    box-shadow: 5px 5px 30px rgb(255, 255, 255, 0.1);
    background-color: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    z-index: 9999;
}
.hd__logo {
    margin-left: 1.5%;
    margin-right: 1.5%;
    padding-bottom: 2px;
    z-index: 200;
}
.hd__logo a {
    display: flex;
    align-items: center;
}
.pc_nav ul {
    display: flex;
    margin-right: 50px;
    gap: 60px;
}
.pc_nav li {
    color: #fff;
}
.pc_nav li a {
    display: flex;
    flex-direction: column;
}
.gnav__ja {
    white-space: nowrap;
    font-size: 20px;
}
.gnav__en {
    font-size: 14px;
}
/* SP MENU */
.no_scroll {
    overflow: hidden;
}
.sp_nav,
.sp_btn {
    display: none;
}
@media screen and (max-width: 1100px) {
    .pc_nav {
        display: none;
    }
    .sp_btn {
        display: block;
        height: 23px;
        cursor: pointer;
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        right: 25px;
        z-index: 200;
    }
    .sp_btn span {
        display: block;
        width: 33px;
        height: 3px;
        background: #fff;
        border-radius: 2px;
        position: relative;
        top: 10px;
        transition: 0.3s;
    }
    .sp_btn span::before,
    .sp_btn span::after {
        content: "";
        display: block;
        width: 33px;
        height: 3px;
        background: #fff;
        border-radius: 2px;
        position: absolute;
        transition: 0.3s;
    }
    .sp_btn span::before {
        bottom: 10px;
    }
    .sp_btn span::after {
        top: 10px;
    }
    /* ばつ印 */
    .sp_btn.open span {
        background: transparent;
    }
    .sp_btn.open span::before {
        bottom: 0;
        transform: rotate(45deg);
    }
    .sp_btn.open span::after {
        top: 0;
        transform: rotate(-45deg);
    }
    /* MENU OPEN */
    .sp_nav {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(18, 40, 48, 0.95);
        z-index: 100;
    }
    .sp_nav ul {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        margin-left: 13%;
        height: 100%;
        gap: 50px;
    }
    .sp_nav ul li {
        color: #fff;
        font-size: 18px;
    }
    .sp_nav li a {
        display: flex;
        flex-direction: column;
    }
    .sp-nav__ja {
        font-size: 20px;
    }
    .sp-nav__en {
        font-size: 14px;
    }
}
/* ロゴの切り替え */
.hd__logo {
    position: relative;
}
.hd__logo img {
    transition: opacity 0.3s;
}
/* デフォルト：白ロゴ */
.hd__logo--white {
    opacity: 1;
}
.hd__logo--blue {
    position: absolute;
    opacity: 0;
}
/* active付与：青ロゴ */
.header.active:not(.menu-open) .hd__logo--white {
    opacity: 0;
}
.header.active:not(.menu-open) .hd__logo--blue {
    opacity: 1;
}
/* メニューopen → 青ロゴ無効 */
.header.menu-open .hd__logo--white {
    opacity: 1;
}
.header.menu-open .hd__logo--blue {
    opacity: 0;
}
/* ナビの色の切り替え */
/* デフォルト：白 */
.gnav__link,
.gnav__ja,
.gnav__en {
    color: #fff;
    transition: color 0.3s;
}
.sp_btn span,
.sp_btn span::before,
.sp_btn span::after {
    background-color: #fff;
    transition: color 0.3s;
}
/* active付与：青 */
.header.active:not(.menu-open) .gnav__link,
.header.active:not(.menu-open) .gnav__ja,
.header.active:not(.menu-open) .gnav__en {
    color: #28718c;
}
.header.active:not(.menu-open) .sp_btn span,
.header.active:not(.menu-open) .sp_btn span::before,
.header.active:not(.menu-open) .sp_btn span::after {
    background-color: #28718c;
}

@media screen and (max-width: 767px) {
    .hd__logo {
        width: 68%;
    }
}

/* -- BUTTON -- */
.btn {
    display: inline-block;
    position: relative;
    overflow: hidden;
    color: #005271;
    font-size: 18px;
    line-height: 1.5;
    cursor: pointer;
    user-select: none;
    transition: all 0.3s;
}
.btn::before,
.btn::after {
    content: "";
    position: absolute;
    display: block;
    top: 50%;
}
.btn::before {
    width: 10px;
    height: 10px;
    left: 1rem;
    border-top: solid 2px #fff;
    border-right: solid 2px #fff;
    z-index: 2;
    transform: translateY(-50%) rotate(45deg);
    transition: all 0.3s;
}
.btn::after {
    left: -2.3rem;
    background: #005271;
    z-index: 1;
    width: 6rem;
    height: 130%;
    border-radius: 50%;
    transform: translateY(-50%);
    transition: all 0.5s;
}
.btn a {
    display: inline-block;
    position: relative;
    border: 2px solid #005271;
    padding: 1.5rem 3rem 1.5rem 5.5rem;
    transition: all 0.3s;
    z-index: 2;
}
.btn:hover a {
    color: #fff;
}
.btn:hover::after {
    right: 0;
    width: 120%;
    border-radius: 0;
}
@media screen and (max-width: 767px) {
    .btn {
        box-sizing: border-box;
    }
}

/* -- section title（h2） -- */
.section-title {
    display: flex;
    flex-direction: column;
    font-size: clamp(36px, 3.5vw, 48px);
    line-height: normal;
    font-weight: 500;
    color: #454545;
}
.section-title--center {
    text-align: center;
}

.section-title__en {
    display: inline-block;
    margin-top: 5px;
    font-family: Roboto;
    font-size: clamp(20px, 2.3vw, 32px);
    font-weight: 400;
    color: #4f889d;
}
/* -- WAVE -- */
.wave {
    width: 100%;
}
.wave img {
    width: 100%;
}
/* ▼ CONTACT▼--------------------------------------- */
.contact {
    margin-top: 180px;
    padding: 80px 20px 125px;
    background-image: url(../images/contact_bg.jpg);
    background-size: cover;
    background-position: bottom;
    background-repeat: no-repeat;
}

.contact-title {
    margin: 0 auto 70px;
    color: #fff;
}
.contact__list {
    display: flex;
    justify-content: space-between;
    margin: 0 auto;
    max-width: 1000px;
    gap: 50px;
}
.contact__content {
    position: relative;
    box-sizing: border-box;
    /* max-width: 100%; */
    flex-grow: 1;
    flex-shrink: 1;
    flex-basis: 400px; /* 初期値 */
    height: auto;
    max-width: 420px;
    max-height: 400px;
    padding: 100px 0 54px;
    text-align: center;
}
.contact__tag {
    position: absolute;
    top: 31px;
    left: 45px;
    font-size: 24px;
    letter-spacing: 0.02em;
    rotate: 90deg;
    transform-origin: top left;
}
.contact__text {
    margin: 0 30px 0 40px;
    font-size: clamp(20px, 2.4vw, 24px);
}
.contact__content--translucent {
    box-sizing: border-box;
    box-shadow: 5px 5px 30px rgb(255, 255, 255, 0.1);
    background-color: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: solid #fff 1px;
}
.contact__content--translucent p {
    color: #fff;
}
.contact__content--translucent .contact__text {
    margin-bottom: 20%;
}
.contact__content--white .contact__text {
    margin-bottom: 25%;
}
.contact__tel {
    color: #fff;
    font-size: 45px;
    font-weight: 700;
}
.contact__fax {
    font-size: 33px;
}
.contact__content--white {
    background-color: rgba(255, 255, 255, 0.8);
}
.contact__content span {
    display: inline-block;
}
.contact-btn {
    margin: 0 30px 0 40px;
}
@media screen and (max-width: 767px) {
    .contact {
        margin-top: 80px;
        padding: 50px 20px 150px;
        background-image: url(../images/sp_contact_bg.jpg);
    }
    .contact-title {
        margin-bottom: 50px;
    }
    .contact__list {
        flex-direction: column;
        align-items: center;
        gap: 50px;
    }
    .contact__content {
        flex-basis: auto;
        max-width: 330px;
        width: 100%;
        height: auto;
        padding: 50px 0 30px;
    }
    .contact__tag {
        font-size: 20px;
    }
    .contact__text {
        margin: 0 60px 0 70px;
    }
    .contact__tel {
        font-size: 36px;
    }
    .contact__fax {
        font-size: 28px;
    }
    .contact-btn a {
        padding: 1rem 3rem 1rem 5.5rem;
    }
}
@media screen and (max-width: 355px) {
    .contact-btn a {
        padding: 1rem 1rem 1rem 4rem;
    }
}

/* ▼ FOOTER ▼--------------------------------------- */
.footer {
    position: relative;
    background-color: #005271;
    padding: 215px 70px 20px;
}
.footer p {
    color: #fff;
}
.footer__wave {
    position: absolute;
    top: -13%;
    left: 0;
}
.footer__contents {
    display: flex;
    justify-content: space-between;
}
.footer__info p {
    margin-top: 20px;
    line-height: 1.86;
}
.footer__pc_nav ul {
    display: flex;
    justify-content: flex-end;
    gap: 40px;
}
.footer__pc_nav a {
    color: #fff;
}
.footer__privacy {
    margin-top: 32px;
    font-size: 14px;
}
.footer__copy {
    margin-top: 15px;
    text-align: center;
}
.footer__copy p {
    font-size: 14px;
    color: #fff;
}
@media screen and (max-width: 1100px) {
    .footer__contents {
        flex-direction: column;
        gap: 45px;
    }
}
@media screen and (max-width: 767px) {
    .footer {
        padding: 90px 30px 20px;
    }
    .footer__wave {
        top: -4%;
    }
    .footer__logo {
        width: 90%;
    }
    .footer__pc_nav ul {
        flex-direction: column;
        justify-content: flex-start;
        gap: 15px;
    }
    .footer__privacy {
        font-size: 12px;
    }
    .footer__copy p {
        font-size: 11px;
    }
}
/* ------------------------------------------------ */