@charset "UTF-8";

html {
    font-size: 62.5%;
    scroll-behavior: smooth;
}
body {
    width: 100%;
    height: 100%;
    font-size: 1.6em;
    line-height: 1.65;
}
*,
*:before,
*:after {
    box-sizing:border-box;
}
/* ------------------------------------- /
/   共通
/* ------------------------------------- */
.taC {
    text-align: center;
}
.taR {
    text-align: right;
}
.fwM {
    font-weight: 500;
}
.fwSB {
    font-weight: 600;
}
.fwB {
    font-weight: 700;
}
img {
    display: block;
    width: 100%;
}


/* ------------------------------------- /
/   inner
/* ------------------------------------- */
.inner {
    width: min(100%, 1280px);
    margin: 0 auto;
    padding: 0 min(6%, calc((1280px - 1200px) / 2));
}
@media screen and (max-width:600px){
.inner {
    padding: 0 4%;
}
}

/* ------------------------------------- /
/   pc-none、sp-none
/* ------------------------------------- */
.pc-none {
    display: none;
}
.pc-none768 {
    display: none;
}
.pc-none500 {
    display: none;
}
.pc-none__inline {
    display: none;
}
.pc-none__inline500 {
    display: none;
}
.pc-none__inline768 {
    display: none;
}
.pc-none__inline1000 {
    display: none;
}
.pc-none__inline1200 {
    display: none;
}
.pc-none__inline1400 {
    display: none;
}
@media (max-width: 1400px) {
.pc-none__inline1400 {
    display: inline;
}
}
@media (max-width: 1200px) {
.pc-none__inline1200 {
    display: inline;
}
}
@media (max-width: 1000px) {
.pc-none__inline1000 {
    display: inline;
}
}
@media (max-width: 768px) {
.pc-none768 {
    display: block;
}
.pc-none__inline768 {
    display: inline;
}
.sp-none768 {
    display: none !important;
}
}
@media (max-width: 600px) {
.pc-none {
    display: block;
}
.pc-none__inline {
    display: inline;
}
.sp-none {
    display: none !important;
}
}
@media (max-width: 500px) {
.sp-none500 {
    display: none !important;
}
.pc-none500 {
    display: block;
}
.pc-none__inline500 {
    display: inline;
}
}

/* ------------------------------------- /
/   サイトカラー、フォント
/* ------------------------------------- */
body {
    font-family: "Noto Sans JP", sans-serif;
    font-weight: normal;
    color: var(--color-black);
}
a {
    color: var(--color-black);
    text-decoration: none;
}
::selection {
    background: var(--color-blue);
    color: #fff;
}
:root {
    --color-black: #000000;
    --color-blue: #005b98;
    --color-pink: #EB6F91;
    --color-orange: #E68E6D;
    --font-min: "Nto Serif JP", serif;
    --font-en: "Jost", sans-serif;
}
.bg-black {
    background-color: #141414;
}
.bg-blue {
    background-color: var(--color-blue);
}
.bg-pink {
    background-color: var(--color-pink);
}
.bg-orange {
    background-color: var(--color-orange);
}
.bg-white {
    background-color: #fff;
}
.color-black {
    color: var(--color-black);
}
.color-blue {
    color: var(--color-blue);
}
.color-pink {
    color: var(--color-pink);
}
.color-orange {
    color: var(--color-orange);
}
.color-white {
    color: #fff;
}
.font-min {
    font-family: var(--font-min);
}
.font-en {
    font-family: var(--font-en);
    letter-spacing: 0;
}

/* ------------------------------------- /
/  body
/* ------------------------------------- */
body {
    position: relative;
}
main {
    overflow: hidden;
    /*
    background-image: url('../img/bg.svg'), url('../img/header_bg.png');
    background-position: center, center top;
    background-size: max(min(7.2vw, 72px), 36px) auto, 1920px auto;
    background-repeat: repeat, repeat-x;
    */
    background-image: url('../img/header_bg.png');
    background-position: center top;
    background-size: 1920px auto;
    background-repeat: repeat-x;
    position: relative;
}
@keyframes bg_move {
    0% {
        background-position: left 0 top 0;
    }
    100% {
        background-position: left max(min(7.2vw, 72px), 36px) top max(min(7.2vw, 72px), 36px);
    }
}

/* ------------------------------------- /
/  header
/* ------------------------------------- */
header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    position: relative;
    padding: 30px 2.6%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 2;
    /*mix-blend-mode: difference;*/
}
.header_logo {
    display: block;
    width: min(100%, 340px);
    transition-duration: 0.3s;
}
.header_logo:hover {
    opacity: 0.5;
}
.header_logo h1 {
    display: block;
    width: 100%;
}
header h1 img {
    transition-duration: 0.2s;
}
header.scroll h1,
body:has(#news:first-child) header h1 {
    background-image: url('../img/logo_blue.svg?2');
    background-position: center;
    background-size: contain;
    background-repeat: no-repeat;
}
header.scroll h1 img,
body:has(#news:first-child) header h1 img {
    opacity: 0;
}
.header_nav_wrapper {
    width: min(calc(100% - 400px), 500px);
}
.header_nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 0 0 0 40px;
}
.header_nav_column {
    display: flex;
    align-items: center;
    position: relative;
    font-size: clamp(1.5rem, 1.2vw, 2.0rem);
    line-height: 1.2;
}
.header_nav_link {
    display: inline-block;
    color: #fff;
    text-decoration: none;
    position: relative;
    transition-duration: 0.2s;
}
header.scroll .header_nav_link,
body:has(#news:first-child) header .header_nav_link {
    color: var(--color-blue);
}
.header_nav_link:hover {
    /*
    color: var(--color-pink);
    */
}
.header_nav_column:has(.header_nav_button) {
    width: min(21.5%, 300px);
}
.header_nav_button {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    min-height: min(4vw, 60px);
    background-color: var(--color-pink);
    border-radius: calc(60px / 2);
    color: #fff;
    /*
    font-size: 1.25em;
    */
    font-size: 1.0em;
    transition-duration: 0.2s;
}
.header_nav_button:hover {
    background-color: #fff;
    color: var(--color-pink)
}
.header_nav_logo {
    display: none;
}
.header_nav_trigger {
    display: none;
}

@media screen and (max-width:768px){
.header_nav_wrapper {
    width: min(85vw, 400px);
    height: 100vh;
    background-image: linear-gradient(#0090d2, #003670);
    position: absolute;
    right: 0;
    top: 0;
    transform: translateX(100%);
    transition-duration: 0.8s;
    transition-timing-function: ease;
}
.header_nav_wrapper.active {
    transform: translateX(0);
}
.header_nav_inner {
    width: 100%;
    max-height: 100vh;
    overflow: auto;
    margin: 0 auto;
    padding: 100px 0 30px;
}
.header_nav_logo {
    display: block;
    width: min(100%, 128px);
    margin: 0 auto;
}
.header_nav {
    display: block;
    margin: 40px 0 0;
    padding: 0;
}
.header_nav_column {
    display: block;
    padding: 10px 0;
    font-size: 1.7rem;
}
    .header_nav_link {
        display: block;
        padding: 10px 0;
        text-align: center;
    }
header.scroll .header_nav_link {
    color: #fff;
}
    .header_nav_link::before {
        display: none;
    }
.header_nav_column:has(.header_nav_button) {
    width: 100%;
    margin: 10px 0 0;
}
.header_nav_button {
    width: min(80%, 240px);
    min-height: 56px;
    margin: 0 auto;
    border-radius: calc(56px / 2);
    /*
    font-size: 1.2em;
    */
}
.header_nav_trigger {
    display: block;
    width: 60px;
    aspect-ratio: 1/1;
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background-image: url('../img/sp_menu_open.svg?2');
    background-position: center;
    background-size: 40px auto;
    background-repeat: no-repeat;
    transition-duration: 0.2s;
}
header.scroll .header_nav_trigger {
    background-image: url('../img/sp_menu_open_blue.svg');
}

.header_nav_wrapper.active + .header_nav_trigger {
    background-image: url('../img/sp_menu_close.svg?3');
}
}
@media screen and (max-width:500px){
.header_logo {
    width: min(100%, 270px);
}
}
@media screen and (max-height:700px){
.header_nav_column {
    padding: 5px 0;
}
}

/* ------------------------------------- /
/  mv
/* ------------------------------------- */
.mv {
    padding: 100px 0;
    position: relative;
    background-image: linear-gradient(#0090d2, #003670);
}
    .mv .inner img {
        display: block;
        width: min(80%, 590px);
        margin: 0 auto;
    }
    .mv > img {
        width: min(9%, 60px);
        position: absolute;
        right: 5vw;
        top: 15vw;
    }
@media screen and (max-width:600px){
    .mv > img {
        top: auto;
        bottom:15vw;
    }
}

/* ------------------------------------- /
/  message
/* ------------------------------------- */
.message {
    font-size: clamp(2.0rem, 3.0vw, 3.0rem);
    font-size: clamp(1.7rem, 3.0vw, 2.6rem);
}

/* ------------------------------------- /
/  index_h2
/* ------------------------------------- */
.index_h2 {
    font-size: clamp(2.5rem, 4.0vw, 3.5rem);
}

/* ------------------------------------- /
/  about
/* ------------------------------------- */
.about {
    background-color: #f0f0f0;
}
.about_date {
    width: max(min(40%, 300px), 200px);
    margin: 0 auto;
    font-size: clamp(2.5rem, 4.0vw, 3.5rem);
}
    .about_date .fsL {
        font-size: 1.8em;
        margin: 0 10px;
    }
.about_text {
    width: min(100%, 600px);
    margin: 0 auto;
}
    .about_text h3 {
        padding: 5px 0 3px 15px;
        background-image: linear-gradient(90deg, rgba(1, 74, 113, 1), rgba(50, 148, 161, 1) 50%, rgba(198, 126, 133, 1));
        font-size: clamp(1.8rem, 3.0vw, 2.0rem);
        line-height: 1.2;
    }
    
    .about_text p {
        font-size: clamp(1.8rem, 3.5vw, 2.4rem);
    }
    .about_text .fsS {
        font-size: 0.8em;
    }
    .about_text .fsSS {
        font-size: 0.7em;
    }
    .about_text a {
        font-size: 1.2em;
        margin: 0 0 0 10px;
    }
    .about_text a:hover {
        text-decoration: underline;
    }
    

/* ------------------------------------- /
/  index_news_list
/* ------------------------------------- */
.index_news_list {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    column-gap: 5%;
    row-gap: max(min(3vw, 40px), 20px);
}
.index_news_column {
    width: calc((100% - (5% * 2)) / 3);
    border: 1px var(--color-blue) solid;
    font-size: clamp(1.5rem, 3.0vw, 1.6rem);
    background-color: #fff;
}
.index_news_thumb {
    display: block;
    transition-duration: 0.3s;
}
.index_news_thumb:hover {
	opacity: 0.5;
}
    .index_news_thumb img {
        aspect-ratio: 4/3;
        object-fit: cover;
    }
.index_news_date {
    color: #808080;
}
.index_news_title {
    font-size: 1.1em;
    line-height: 1.4;
}
.index_news_title:hover {
	text-decoration: underline;
}
.index_news_button {
    display: flex;
    justify-content: center;
    align-items: center;
    width: min(100%, 358px);
    min-height: 50px;
    margin: 0 auto;
    background-color: var(--color-blue);
    border: 1px var(--color-blue) solid;
    font-size: clamp(1.5rem, 3.0vw, 1.6rem);
    color: #fff;
    line-height: 1.2;
}
.index_news_button:hover {
    background-color: #fff;
    color: var(--color-blue);
}
    .index_news_more a:hover {
        opacity: 0.5;
    }
@media screen and (max-width:768px){
.index_news_list {
    column-gap: 3%;
}
.index_news_column {
    width: calc((100% - 3%) / 2);
    border: 1px var(--color-blue) solid;
    font-size: clamp(1.5rem, 3.0vw, 1.6rem);
}
.index_news_title {
    font-size: 1.0em;
}
.index_news_more {
    font-size: 0.85em;
}
}

/* ------------------------------------- /
/  news_single
/* ------------------------------------- */
.news_single_wrapper {
    width: min(100%, 1080px);
    margin: 0 auto;
    font-size: clamp(1.5rem, 3.0vw, 1.6rem);
}
.news_single_thumbnail {
    width: min(100%, 600px);
    margin: 0 auto 40px;;
}
.news_single_contents h2 {
    margin: 40px auto 20px;
    color: var(--color-blue);
    font-size: clamp(1.6em, 3.0vw, 2.0em);
    font-weight: bold;
}
.news_single_contents h3 {
    margin: 30px auto 15px;
    color: var(--color-blue);
    font-size: clamp(1.4em, 3.0vw, 1.8em);
    font-weight: bold;
}
.news_single_contents h4 {
    margin: 25px auto 10px;
    font-size: clamp(1.2em, 3.0vw, 1.6em);
    font-weight: bold;
}
.news_single_contents h5 {
    margin: 20px auto 10px;
    font-size: clamp(1.1em, 3.0vw, 1.4em);
    font-weight: bold;
}
.news_single_contents h6 {
    margin: 20px auto 10px;
    font-size: clamp(1.0em, 3.0vw, 1.2em);
    font-weight: bold;
}
.news_single_contents p:not(:first-child) {
    margin: 20px 0;
}
.news_single_contents a:hover {
    text-decoration: underline;
}

/* ------------------------------------- /
/  event
/* ------------------------------------- */
.event {
    background-color: #f0f0f0;
}

/* ------------------------------------- /
/  contact
/* ------------------------------------- */
.contact {
}


/* ------------------------------------- /
/  footer
/* ------------------------------------- */
footer {
    font-size: clamp(1.5rem, 3.0vw, 1.6rem);
    background-image: linear-gradient(#0090d2, #003670);
    color: #fff;
}
    footer a {
        color: #fff;
    }
.footer_sns {
    display: flex;
    justify-content: center;
    align-items: center;
    column-gap: 40px;
}
    .footer_sns a {
        display: block;
        width: min(100%, 40px);
        transition-duration: 0.3s;
    }
    .footer_sns a:hover {
        opacity: 0.5;
    }