:root {
    --main-gradation: linear-gradient(to right, rgba(255,182,193,1), rgba(173,216,230,1));
    --main-gradation-opacity: linear-gradient(to right, rgba(255,226,230,1), rgba(220,239,244,1));
    --main-gradation-primary: linear-gradient(to right, rgba(233,83,124,1), rgba(63,169,245,1));
    --reverse-gradation: linear-gradient(to right, rgba(173,216,230,1), rgba(255,182,193,1));
    --reverse-gradation-opacity: linear-gradient(to right, rgba(220,239,244,1), rgba(255,226,230,1));
    --accent-gradation: linear-gradient(to right, rgba(63,169,245,1), rgba(233,83,124,1));
    --main-color: rgba(233,83,124,1);
    --main-color-opacity: 233,83,124;
    --accent-color: rgba(173,216,230,1);
    --accent-color-opacity: 173,216,230;
    --text-color: rgba(46,56,64,1);
    --text-color-opacity: 46,56,64;
    --clear-color: rgba(255,255,255,1);
    --clear-color-opacity: 255,255,255;
}
*,
*::before,
*::after{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
:focus:not(:focus-visible) {
    outline: 0;
    /* キーボード操作"以外"でフォーカスされた際はoutlineを消す */
}

::selection {
    color: var(--clear-color);
    background: var(--main-color);
}
html{
    font-size: clamp(14px, 1vw, 18px);
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}
@media (min-width: 1600px){
    html {
        font-size: clamp(12px, 0.8vw, 16px);
    }
}
@media (min-width: 481px) and (max-width: 768px){
    html {
        font-size: clamp(14px, 1.25vw, 18px);
    }
}
@media (max-width: 480px){
    html {
        font-size: clamp(14px, 1.5vw, 18px);
    }
}
@media (min-resolution: 2dppx) and (max-width: 480px){
    html {
        font-size: clamp(16px, 2vw, 20px);
    }
}


body{
    font-family: "M PLUS Rounded 1c", sans-serif;
    color: var(--text-color);
    font-weight: 400;
    letter-spacing: .1rem;
    line-height: 1.7;
    overflow-x: hidden;
}
ul,ol,li{
    list-style-type: none;
}
img{
    max-width: 100%;
    height: auto;
    vertical-align: bottom;
}
a{
    text-decoration: none;
    display: block;
}

#nav-toggle{
    display: none;
}
@media (max-width: 767px){
    #nav-toggle{
        z-index: 100;
        width: 4rem;
        height: 4rem;
        background: var(--main-gradation-primary);
        border-radius: 50%;
        position: fixed;
        top: 1rem;
        right: 1rem;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: .5rem;
    }
    #nav-toggle span{
        background: var(--clear-color);
        width: 2.5rem;
        height: 2px;
        transition: 0.3s ease-in-out;
    }
    .open #nav-toggle{
        gap: 0;
    }
    .open #nav-toggle span:nth-child(1) {
        transform: rotate(-45deg) translateY(.125rem);
    }
    .open #nav-toggle span:nth-child(2) {
        display: none;
    }
    .open #nav-toggle span:nth-child(3) {
        transform: rotate(45deg) translateY(-.125rem);
    }
}

#header{
    background: var(--main-gradation);
    padding: 1rem 0;
}
#header section{
    width: clamp(48rem, 90%, 68.75rem);
    margin: 0 auto;
}
#header h1{
	width: 31.25rem;
    margin-bottom: 2rem;
}
.global{
    width: 100%;
    display: flex;
    justify-content: space-between;
    background: rgba(var(--clear-color-opacity),.7);
    padding: .5rem 1rem;
}
.global p a{
    width: max-content;
    display: flex;
    align-items: center;
    gap: .5rem;
}
.global p a img{
    width: 3rem;
}
.global ul{
    display: flex;
    gap: 2rem;
    align-items: center;
}
.global a{
    color: var(--text-color);
}
.global .home{
    display: none;
}
@media (max-width: 767px){
    .global{
        display: none;
    }
    .global p{
        display: none;
    }
    .global .home{
        display: block;
    }

    .open .global{
        display: block;
        padding: 0 0;
        margin: 0 auto;
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: var(--main-gradation-opacity);
        z-index: 99;
        transition: 0.3s ease-in-out;
    }
    .open ul{
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
        margin: 0 auto;
        height: 100vh;
        font-size: 1.5rem;
        gap: 1.25rem;
    }
    #header section{
        width: 90%;
        margin: 0 auto;
    }
    #header h1{
        width: 25rem;
    }
}
@media (max-width: 479px){
    #header h1{
        width: calc(100vw - 7.5rem);
    }
}

#footer{
    background: var(--main-gradation-opacity);
    padding: 4rem 0;
}
#footer section{
    width: clamp(48rem, 90%, 68.75rem);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2,1fr);
    gap: 4rem;
}
#footer div{
    display: grid;
    gap: 1.5rem;
}
#footer h2{
	width: 30rem;
}
#footer address{
    font-style: normal;
}
#footer small{
    font-size: .85rem;
}
@media (max-width: 767px){
    #footer section{
        width: 90%;
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}
@media (max-width: 479px){
    #footer h2{
        width: 90%;
    }
}

#back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    background-color: var(--main-color);
    color: var(--clear-color);
    font-size: 18px;
    cursor: pointer;
    display: none;
    z-index: 1000;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    transition: opacity 0.3s ease;
}


.breadcrumbs{
    width: clamp(48rem, 90%, 68.75rem);
    margin: 1rem auto;
    text-align: right;
}
.breadcrumbs a{
    display: inline;
    color: var(--text-color);
}
@media (max-width: 767px){
    .breadcrumbs{
        width: 90%;
        font-size: .8rem;
    }
}