:root {
    /* back colors */
    --main_color: #000080;
    --sec_color: #1E90FF;
    --thd_color: #1E90FF20;
    /* text colors */
    --text_color:  #666666;
    --gray_color: #B8B9BA;
    --black_color: #3E3A39;
    --base_text: #333333;
    --white: #ffffff;
}

body {
    font-family: "Noto Sans JP", sans-serif;
    font-weight: 400;
    color: var(--text_color);
    letter-spacing: 0.1rem;
}

main {
    margin-top: 75px;
}
@media screen and (max-width: 767px) {
    main {
        margin-top: 60px;
    }
}

/* -- header css -- */
header.sp_header {
    display: none;
}
header {
    width: 100%;
    height: 75px;
    background: var(--white);
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
}
.logo img {
    height: 60px;
    width: auto;

}
.hd_nav ul {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
}
.hd_nav ul li {
    height: 100%;
}
.hd_nav ul li:not(:last-child) {
    margin-right: 30px;
}

.hd_nav ul li a {
    font-size: 1.1rem;
}
.hd_link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 150px;
    height: 75px;
    background: linear-gradient(90deg,#000080,#000080,#1E90FF);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--white);
    letter-spacing: .2rem;
}
@media screen and (max-width: 767px) {
    header.pc_header {
        display: none;
    }
    header.sp_header {
        width: 100%;
        height: 60px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    .header_inner {
        width: 100%;
        padding: 0 10px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        position: relative;
    }
    .logo img {
        height: 50px;
        width: auto;
    }
    .header_nav {
        position: absolute;
        right: 0;
        left: 0;
        top: 0;
        width: 100%;
        height: 100vh;
        transform: translateX(-100%);
        background-color: #fff;
        transition: ease .4s;
    }
    .header_hamburger {
        width: 30px;
    }
    .hamburger {
        background-color: transparent;
        border-color: transparent;
        z-index: 9999;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }
    .hamburger span {
        width: 100%;
        height: 1px;
        background-color: #000;
        position: relative;
        transition: ease .4s;
        display: block;
    }
    .hamburger span:nth-child(2) {
        width: 80%;
    }
    .hamburger span:nth-child(3) {
        width: 60%;
    }
    .hamburger span:nth-child(1) {
        top: 0;
    }
    .hamburger span:nth-child(2) {
        margin: 8px 0;
    }
    .hamburger span:nth-child(3) {
        top: 0;
    }
    .header_nav.active {
        transform: translateX(0);
    }
    .hamburger.active span:nth-child(1) {
        top: 5px;
        transform: rotate(45deg);
    }
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    .hamburger.active span:nth-child(3) {
        width: 100%;
        top: -13px;
        transform: rotate(-45deg);
    }
    .nav-items {
        padding: 0;
        width: 80%;
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%,-50%);
      }
    .nav-items_item a {
        color: black;
        width: 100%;
        display: block;
        text-align: center;
        font-size: 20px;
        margin-bottom: 24px;
    }
    .nav-items_item:last-child a {
        margin-bottom: 0;
    }
}

/* -- title css -- */
h2 {
    font-size: 2.68rem;
    font-weight: 600;
    display: flex;
    flex-direction: column;
    align-items: center;
}
h2 span {
    font-size: 1.125rem;
    margin: 15px 0;
    font-weight: 400;
}

h2.jp {
    font-size: 2.25rem;
}

h2.blue {
    color: var(--main_color);
}
h2.blue span {
    color: var(--text_color);
}

h2.white {
    color: var(--white);
}
@media screen and (max-width: 767px) {
    h2 {
        font-size: 1.63rem;
    }
    h2 span {
        font-size: 0.75rem;
        margin: 10px 0;
    }
    h2.jp {
        font-size: 1.63rem;
    }
}

/* -- btn css -- */
.com_btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 300px;
    height: 70px;
    margin: 0 auto;
}
.com_btn.white {
    background: var(--white);
    color: var(--main_color);
    font-weight: 800;
}
.com_btn.blue {
    background: var(--sec_color);
    color: var(--white);
    font-weight: 800;
}

/* -- svg css -- */
svg {
    transition: all .4s ease-out;
}

/* -- sub main -- */
.sub_main {
    width: 100%;
    height: 300px;
    background-repeat: no-repeat;
    background-size: cover;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.sub_main_title {
    font-size: 2.68rem;
    color: var(--base_text);
    display: flex;
    flex-direction: column;
    align-items: center;
}
.sub_main_title span {
    font-size: 1.125rem;
    margin-top: 5px;
    color: var(--white);
}
.pan {
    width: 100%;
    height: 30px;
    box-sizing: border-box;
    padding-left: 70px;
    background: var(--main_color);
    display: flex;
    flex-direction: row;
    align-items: center;
    color: var(--white);
}
@media screen and (max-width: 767px) {
    .sub_main {
        height: 150px;
    }
    .sub_main_title {
        font-size: 2rem;
    }
    .sub_main_title span {
        font-size: 1rem;
        margin-top: 10px;
    }
    .pan {
        padding-left: 10px;
        font-size: 0.65rem;
    }
}