@charset "UTF-8";
/* ======================== 
common
======================== */
:root {
    --primary-white: #FFF;
    --primary-black: #252525;
    --primary-beige: #FFEBD9;
    --primary-pink: #FFE4EB;
    --primary-navy: #223A70; 
    --content-padding: 0 7.7%;
}

html {
    font-size: 62.5% ; 
}

body {
    font-family:  "Inter",
                "Noto Sans JP",
                sans-serif;
    font-style: normal;
    color: var(--primary-black, #252525) ;
    background-color: var(--primary-white, #FFF) ;
    line-height: 1;
}

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

.section__topic {
    color: var(--primary-black, #252525) ;
    font-size: 2.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
}

.btn {
    border: 1px solid var(--primary-black, #252525);
    width: 122px;
    height: 23px;
    display: block;
    background: var(--primary-white, #FFF);
    padding: 6px 34px;
    color: var(--primary-black, #252525);
    text-align: center;
    font-size: 1rem;
    font-weight: 500;
    line-height: 1; 
    position: relative;
    position: absolute;
    right: 7.7%;
    margin-top: 30px;
}

.btn:after {
    content: '';
    display: inline-block;
    width: 5px;
    height: 5px;
    background-image: url(../images/Icon_arrow.svg);
    background-size: contain;  /* 16×16の箱の中に見切れずに入れる */
    background-position: center;
    background-repeat: no-repeat;
    position: absolute;
    top: 50%;
    right: 12px;
    transform: translateY(-30%);  /* 要素(矢印)の半分だけ上に戻す */
   
}


/* common pc */
@media screen and (min-width: 769px) {
.section__topic {
    font-size: 7rem;
}

.btn {
    border: 2px solid var(--primary-black, #252525);
    width: 450.87px;
    height: 85px;
    padding: 32px 172px;
    font-size: 2rem;
    position: absolute;
    right: 8.3%;
    margin-top: 100px;
}

.btn:after {
    content: '';
    display: inline-block;
    width: 11px;
    height: 11px;
    position: absolute;
    top: 50%;
    right: 55px;
}

}

/* ======================== 
header
======================== */
.header {
    padding:  65px 7.7% 17px ; 
    display: flex;
    align-items: center; 
    justify-content: space-between;
}

.logoPc {
    display: none;
}

.logoSp,
.nav__topic {
    width: 139.3px;
    height: 19.816px;
}

/* .nav初期表示 */
.nav {
    background: var(--primary-pink, #FFE4EB);  
    width: 100%;
    height: 100vh;
    position: fixed; 
    top: 0; 
    left: 0; 
    z-index: 100; 
    transform: translateX(-100%);
    transition: transform 0.4s;
}

.nav__header {
    padding: 65px 7.7% 17px  ;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__btn {
    width: 23px;
    height: 13px;
}

.nav__list {
    padding-top: 50px  ;
    padding-left: 7.7%;
}

.nav__item {
    color: var(--primary-black, #252525);
    font-size: 2.5rem;
    line-height: 1;
    letter-spacing: 0.05em;
    margin-top: 40px;
}

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

.header__btn {
    display: block;
    width: 23px;
    height: 13px;
    transform: translateY(-20%); /*  真ん中と少しずれ、微調整 */
}

/* header pc */
@media screen and (min-width: 769px) {
.header {
    padding:  46px 3.6% 24px ; 
}

.logoPc {
    display: block;
    width: 397px;
    height: 57px;
}

.logoSp {
    display: none;
}

/* nav.初期表示 */
.nav {
    background: transparent;
    width: auto;
    height: auto;
    padding: 0;
    position: static;
    transform: translate(0);
}

.nav__header {
    display: none;
}

.nav__list {
    padding: 0;
    display: flex;
    justify-content: flex-end;
    gap: 40px;
}

.nav__item {
    /* font-size: 1.8rem; */
    font-size: 1.5rem;
    margin-top: 0;
    transition: 0.3s;
}

.nav__item:hover {
    opacity: 0.4; 
}


/* .nav.active表示 */
.header__btn {
    display: none;
}
}

/* ======================== 
footer
======================== */
.footer {
    padding: 20px 0 20px 30px ;
}

.copy {
    font-size: 1rem;
    font-weight: 400;
}

/* footer pc */
@media screen and (min-width: 769px) {
.footer {
    padding: 30px 0 110px 120px ;
}

.copy {
    font-size: 1.5rem;
}
}