@charset "utf-8";

/* 変数 */
:root {
    --fontMain: "游ゴシック体", YuGothic, "游ゴシック", "Yu Gothic", "游ゴシック体 Medium", YuGothic Medium, "游ゴシック Medium", "Yu Gothic Medium", "游ゴシック体 Bold", YuGothic Bold, "游ゴシック Bold", "Yu Gothic Bold", sans-serif;
    --fontEnglish: 'Roboto Condensed';
    --fontBoldWeight: 600;

    --padding20: calc(20 / 375 * 100%);
    --padding30: calc(30 / 375 * 100%);
    --padding40: calc(40 / 375 * 100%);
    --padding50: calc(50 / 375 * 100%);

    --white: #fff;
    --regBlack: #33302d;
    --bjBlack: #000;
    --orange: #E94609;
    --lightOrange: #FEAA8A;
    --gray: #9AA6AD;
    --darkGray: #626E74;
    --lightGray: #E7EBEF;
    --lineGray: #E9EAEB;
    --darkBlue: #031136;
    --footerBg: #1A1C1F;
    --buttonPink: #FD6B6C;
    --buttonBlue: #526FD3;
}


/* ---------------------------------------------------------------------------------------------------------------------------- */
/* reset */
a,abbr,acronym,address,applet,article,aside,audio,b,big,blockquote,body,canvas,caption,center,cite,code,dd,del,details,dfn,div,dl,dt,em,embed,fieldset,figcaption,figure,footer,form,h1,h2,h3,h4,h5,h6,header,hgroup,html,i,iframe,img,ins,kbd,label,legend,li,mark,menu,nav,object,ol,output,p,pre,q,ruby,s,samp,section,small,span,strike,strong,sub,summary,sup,table,tbody,td,tfoot,th,thead,time,tr,tt,u,ul,var,video{margin:0;padding:0;vertical-align:bottom;border:0;outline:0;background:0 0;-webkit-text-size-adjust:none}*,::after,::before{-webkit-box-sizing:border-box;box-sizing:border-box}body{line-height:1}article,aside,details,figcaption,figure,footer,header,hgroup,main,menu,nav,section{display:block}li,ol,ul{list-style:none}blockquote,q{quotes:none}:focus{outline:5px auto -webkit-focus-ring-color}a,ins{text-decoration:none}del{text-decoration:line-through}table{border-spacing:0;border-collapse:collapse}

/* ---------------------------------------------------------------------------------------------------------------------------- */
/* 共通css */
html {
    font-size: 62.5%;
}

body {
	font-family: var(--fontMain);
    position: relative;
    -webkit-font-feature-settings: "palt";
    font-feature-settings: "palt";
    letter-spacing: .1em;
    color: var(--regBlack);
}
body.fixed {
    overflow: hidden;
}
@media (min-width: 897px) {
    body {
        letter-spacing: .2em;
    }
}
img {
    width: 100%;
    height: auto;
}
a {
    color: inherit;
}
em {
    font-style: normal;
}
button {
    background-color: transparent;
    border: none;
    cursor: pointer;
    outline: none;
    padding: 0;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    display: inline-block;
    line-height: 1;
    font: inherit;
    letter-spacing: inherit;
}
sup {
    display: inline-block;
    font-size: 1rem;
    -webkit-transform: scale(.8);
    -ms-transform: scale(.8);
    transform: scale(.8);
    -webkit-transform-origin: left;
    -ms-transform-origin: left;
    transform-origin: left;
    vertical-align: top;
}
picture {
    display: block;
}
@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
    img[src$=".svg"] {
        width: 100%;
    }
}
.pc_only {display: none;}
.sp_only {display: block;}
.pc_br {display: none;}
.sp_br {display: inline;}
@media (min-width: 897px) {
    .pc_only {display: block;}
    .sp_only {display: none;}
    .pc_br {display: inline;}
    .sp_br {display: none;}
}

.hidden-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}




.main-container {
    position: relative;
}
.scroll-down {
    position: relative;
}
.scroll-down__text {
    display: none;
    position: absolute;
    top: 0;
    right: -40px;
    color: var(--lightOrange);
    font-size: 1.4rem;
    padding-left: 95px;
    transform: rotate(90deg);
}
.scroll-down__text::before {
    position: absolute;
    content: '';
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--lightOrange);
    width: 80px;
    height: 1px;
    animation: page-scroll 2.5s ease-in-out infinite 0s forwards;
}
@keyframes page-scroll {
    0% {
      width: 0;
      left: 0;
    }
    50% {
      width: 80px;
      left: 0;
    }
    100% {
      width: 0;
      left: 80px;
    }
}
.cmn-bottom {
    padding: 75px 0 60px;
}
.cmn-bottom--proteoglycan{
    padding: 155px 0 60px;
}
.cmn-bottom__btn {
    position: relative;
    display: block;
    width: 295px;
    margin: 0 auto 22px;
    box-shadow: 0px 8px 6px rgba(67, 74, 144, 0.1), 0px 0px 6px rgba(67, 74, 144, 0.1);
    border-radius: 40px;
    font-size: 1.4rem;
    padding: 17px 0;
    text-align: center;
}
.cmn-bottom__btn::before {
    position: absolute;
    content: '';
    border: 1px solid var(--orange);
    border-bottom: none;
    border-right: none;
    top: 49%;
    left: 19px;
    transform: rotate(-45deg) translateY(-50%);
    width: 8px;
    height: 8px;
    transition: all 0.3s;
}
.cmn-bottom__btn span {
    font-weight: var(--fontBoldWeight);
}

@media (min-width: 897px) {
    .scroll-down__text {
        display: block;
    }
    .cmn-bottom {
        padding: 150px 0 120px;
    }
    .cmn-bottom__btn {
        width: 357px;
        font-size: 1.6rem;
        padding: 22px 0;
        transition: all 0.3s;
    }
    /* コモンボタン ホバー */
    .cmn-bottom__btn:hover{
        color: var(--orange);
        box-shadow: 0px 10px 8px rgba(67, 74, 144, 0.15), 0px 0px 6px rgba(67, 74, 144, 0.1);
        transition: all 0.3s;
    }
    .cmn-bottom__btn:hover::before {
        left: 15px;
        transition: all 0.3s;
    }
}


/* header */
.tablet__br{
    display: none;
}
.main-container {
    padding-top: 70px;
}
.header {
    position: fixed;
    width: 100%;
    height: 70px;
    border-bottom: 1px solid var(--lightGray);
    background-color: var(--white);
    z-index: 10;
}
.pc-header {
    display: none;
}
.sp-header {
    display: block;
    height: 100%;
}
.sp-header__inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--padding20);
}
.sp-header__logo {
    width: 150px;
}
.sp-header__menu {
    position: relative;
    padding-bottom: 17px;
}
.sp-header__menu-inner {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    width: 24px;
    height: 13px;
}
.sp-header__menu-inner span {
    display: block;
    width: 100%;
    height: 1px;
    background-color: var(--orange);
    transition: .3s all;
    opacity: 1;
}
.sp-header__menu-inner.is-active span:nth-of-type(1) {
    position: absolute;
    top: 50%;
    transform: rotate(45deg) translateY(-50%);
}
.sp-header__menu-inner.is-active span:nth-of-type(2) {
    opacity: 0;
}
.sp-header__menu-inner.is-active span:nth-of-type(3) {
    position: absolute;
    top: 50%;
    transform: rotate(-45deg) translateY(-50%);
}
.sp-header__menu-text {
    position: absolute;
    bottom: 0;
    left: 50%;
    font-size: 1rem;
    transform: scale(.9) translateX(-50%);
    font-family: var(--fontEnglish);
    font-weight: 300;
    width: 135%;
}

.sp-header__list-wrap {
    display: none;
    z-index: 998;
    height: calc(100vh - 69px);
    background-color: rgba(3, 17, 54, .8);
    overflow-y: scroll;
}
.sp-header__bg {
    background-color: var(--white);
    padding-bottom: 50px;
}
.sp-header__item a {
    position: relative;
    display: block;
    font-size: 1.6rem;
    font-weight: var(--fontBoldWeight);
    padding: 17px var(--padding20);
    border-top: 1px solid var(--lightOrange);
}
.sp-header__item:last-of-type a {
    border-bottom: 1px solid var(--lightOrange);
}
.sp-header__item a::before {
    position: absolute;
    content: '';
    border: 1px solid var(--orange);
    border-bottom: none;
    border-left: none;
    top: 49%;
    right: var(--padding20);
    transform: rotate(45deg) translateY(-50%);
    width: 8px;
    height: 8px;
    transition: all 0.3s;
}
.sp-header__item--small a::before {
    border-color: var(--lightOrange);
}
.sp-header__item--small a {
    font-size: 1.4rem;
    padding: 18px var(--padding50);
    font-weight: normal;
}
.sp-header__item--border a {
    border-top: 1px solid var(--orange);
}

@media (min-width: 769px){
    .tablet__br{
        display: inline-block;
    }
    .main-container {
        padding-top: 80px;
    }
    .header {
        height: 80px;
        padding: 0 20px;
    }
    .pc-header {
        display: block;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        max-width: 1188px;
        margin: 0 auto;
    }
    .pc-header__list {
        display: flex;
        align-items: center;
        height: 100%;
    }
    .pc-header__item {
        margin-right: 20px;
        height: 100%;
    }
    .pc-header__item:last-of-type {
        margin-right: 0;
    }
    .pc-header__item a {
        position: relative;
        display: flex;
        align-items: center;
        font-size: 1.2rem;
        color: var(--darkBlue);
        font-weight: var(--fontBoldWeight);
        text-align: center;
        height: 100%;
    }
    .pc-header__item--indigestible-dextrin a {
        line-height: 1.5;
    }
    .pc-header__item--article a {
        line-height: 1.5;
    }
    .pc-header__item a::before {
        position: absolute;
        content: '';
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 0;
        height: 4px;
        background-color: var(--orange);
        transition: .3s width;
    }
    .pc-header__item a:hover::before {
        width: 100%;
    }
    .pc-header__item.active a::before {
        width: 100%;
    }
    .pc-header__logo {
        width: 120px;
    }
    .sp-header {
        display: none;
    }
}

@media (min-width: 1160px) {
    .tablet__br{
        display: none;
    }
    .pc-header__item {
        margin-right: 40px;
    }
    .pc-header__item:last-of-type {
        margin-right: 0;
    }
    .pc-header__item a {
        font-size: 1.4rem;
    }
    .pc-header__item--article a {
        line-height: 1;
    }
    .pc-header__logo {
        width: 200px;
    }
}

/* footer */
.footer__wrap {
    padding: 50px 0 10px;
    background-color: var(--footerBg);
}
.footer__inner {
    padding: 0 var(--padding20);
}
.footer__list {
    margin-bottom: 40px;
}
.footer__item a {
    position: relative;
    display: block;
    font-size: 1.4rem;
    padding: 13px 0;
    color: rgba(255, 255, 255, .7);
    padding-left: var(--padding20);
}
.footer__item--bold a {
    font-size: 1.6rem;
    font-weight: var(--fontBoldWeight);
    color: rgba(255, 255, 255, 1);
    padding-left: 0;
}
.footer__item a::before {
    position: absolute;
    content: '';
    border: 1px solid var(--darkGray);
    border-bottom: none;
    border-left: none;
    top: 49%;
    right: var(--padding20);
    transform: rotate(45deg) translateY(-50%);
    width: 8px;
    height: 8px;
    transition: all 0.3s;
}
.footer__item--bold a::before {
    border-color: var(--gray);
}
.footer__link-list {
    position: relative;
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
}
.footer__link-list::before,
.footer__link-list::after {
    position: absolute;
    content: '';
    background-color: var(--darkGray);
    height: 95%;
    width: 1px;
    top: 50%;
    transform: translateY(-50%);
}
.footer__link-list::before {
    left: calc(87 / 335 * 100%);
}
.footer__link-list::after {
    left: calc(208 / 335 * 100%);
}
.footer__link-item a {
    position: relative;
    color: var(--darkGray);
    font-size: 1.1rem;
}
.footer__link-item a::before {
    position: absolute;
    content: '';
    background-image: url(/karada-science-labo/assets/images/common/footer_icon.png);
    background-position: center center;
    background-size: contain;
    background-repeat: no-repeat;
    width: 7px;
    height: 7px;
    top: -5px;
    right: -7px;
}
.footer__bottom {
    display: flex;
    align-items: center;
}
.footer__bottom-logo {
    width: 70px;
    min-width: 70px;
    margin-right: 20px;
}
.footer__bottom-copyright {
    color: var(--gray);
    line-height: 1.4;
    font-family: var(--fontEnglish);
}
@media (min-width: 769px) {
    .footer__top {
        max-width: 1150px;
        margin: 0 auto;
        position: relative;
        bottom: -4px;
    }
    .footer__wrap {
        padding: 50px 0 20px;
    }
    .footer__inner {
        max-width: calc(1080px + var(--padding20) + var(--padding20));
        margin: 0 auto;
        display: flex;
        flex-wrap: wrap;
    }
    .footer__inner--under {
        width: 100%;
        display: flex;
        flex-direction: row-reverse;
        justify-content: space-between;
        align-items: center;
        padding-top: 18px;
        border-top: 1px solid rgba(196, 196, 196, 0.2);
    }
    .footer__list {
        margin-right: clamp(1rem, 4vw, 6rem); /* 画面が狭まると隙間も自動で縮む */
        flex-grow: 1;
        flex-shrink: 0;
    }
    .footer__list:last-of-type {
        margin-right: 0;
    }
    .footer__item a {
        font-size: 1.3rem;
        padding: 9px 0;
        display: inline-block;
    }
    .footer__item a:hover span {
        text-decoration: underline;
    }
    .footer__item--bold a {
        font-size: 1.5rem;
        padding-bottom: 15px;
    }
    .footer__item a::before {
        display: none;
    }
    .footer__link-list {
        margin-bottom: 0;
        min-width: 365px;
    }
}
@media (max-width: 320px) {
    .footer__link-item a {
        font-size: 1.0rem;
    }
    .footer__link-list::before {
        left: calc(90 / 335 * 100%);
    }
}

.research-release-top__title {
    padding: 40px 0 35px;
    font-size: 2.4rem;
    text-align: center;
}
.research-release-top__text {
    margin-bottom: 15px;
    line-height: 2;
    font-size: 1.6rem;
    font-weight: normal;
    padding: 0 var(--padding20);
}
.research-release-top__list {
    padding: 0 var(--padding20);
    margin-bottom: 70px;
}
.research-release-top__item a {
    display: block;
    padding-top: 15px;
    padding-bottom: 10px;
    border-top: 1px solid var(--lineGray);
}
.research-release-top__item:last-of-type a {
    border-bottom: 1px solid var(--lineGray);
}
.research-release-top__item-time {
    font-family: var(--fontEnglish);
    font-size: 1.4rem;
    color: var(--orange);
    font-style: italic;
    margin-bottom: 10px;
    display: block;
}
.research-release-top__item-text {
    font-size: 1.4rem;
    line-height: 1.7;
    font-weight: var(--fontBoldWeight);
    letter-spacing: .1em;
}
.research-release-top__item-text span {
    display: block;
    font-size: 1rem;
    color: var(--darkGray);
    font-weight: normal;
}
.Win .research-release-top__item-text span {
    font-weight: bold;
}

@media (min-width: 897px) {
    .research-release-top__title {
        font-size: 3.6rem;
        padding: 95px 0 35px;
    }
    .top-page .research-release-top__title {
        font-size: 2.8rem;
    }
    .research-release-top__text {
        margin-bottom: 45px;
        font-size: 2rem;
        text-align: center;
    }
    .top-page .research-release-top__text {
        font-size: 1.8rem;
    }
    .research-release-top__list {
        margin: 0 auto 80px;
        max-width: calc(980px + var(--padding20) + var(--padding20));
    }
    .research-release-top__item a {
        display: flex;
        padding-right: 20px;
        padding-left: 20px;
    }
    .research-release-top__item-time {
        padding-right: 15px;
        padding-top: 3px;
    }
}