/**************** COMMON ****************/
#page-top {
    position: fixed;
    bottom: 50px;
    right: 50px;
    z-index: 10000;
    border: none;
    cursor: pointer;
    outline: none;
    padding: 0;
    appearance: none;
}

#page-top a {
    display: block;
    color: #4d4ebe;
    text-align: center;
    font-weight: bold;
    text-decoration: none;
    transition: transform 0.3s ease;
}

#page-top a:hover {
    transform: translateY(-10px);
}

#page-top a img {
    width: 100px;
    height: auto;
}

/* アニメーション共通 */
.slide-top, .slide-left, .slide-right {
    opacity: 0;
    transition: all 0.5s ease-out;
}
.slide-top    { transform: translateY(-20px); }
.slide-left   { transform: translateX(-20px); }
.slide-right  { transform: translateX(20px); }

/**************** STORY TAB ****************/
input[type="radio"] { display: none; }

.tab_area {
    display: flex;
    flex-wrap: wrap-reverse;
    justify-content: flex-start;
    gap: 12px;
    margin: 2rem auto;
    width: 70%;
}

/* ラベル基本設定 */
.tab_area label {
    position: relative;
    z-index: 1;
    display: inline-block;
    line-height: 1.3;
    text-align: center;
    color: #4d4ebe;
    font-family: "sicprintempspetit", sans-serif;
    font-weight: 800;
    font-style: normal;
    cursor: pointer;
    transition: all 0.3s ease;
    box-sizing: border-box;
    border-radius: 5px;
}

.tab_area label:hover{
    color: #e61d84;
    background: #fdf23c;
}

/* 選択状態（色変化）*/
#tab1:checked ~ .tab_area .tab1_label, #tab2:checked ~ .tab_area .tab2_label,
#tab3:checked ~ .tab_area .tab3_label, #tab4:checked ~ .tab_area .tab4_label,
#tab5:checked ~ .tab_area .tab5_label, #tab6:checked ~ .tab_area .tab6_label,
#tab7:checked ~ .tab_area .tab7_label, #tab8:checked ~ .tab_area .tab8_label,
#tab9:checked ~ .tab_area .tab9_label, #tab10:checked ~ .tab_area .tab10_label,
#tab11:checked ~ .tab_area .tab11_label, #tab12:checked ~ .tab_area .tab12_label,
#tab13:checked ~ .tab_area .tab13_label, #tab14:checked ~ .tab_area .tab14_label,
#tab15:checked ~ .tab_area .tab15_label, #tab16:checked ~ .tab_area .tab16_label,
#tab17:checked ~ .tab_area .tab17_label, #tab18:checked ~ .tab_area .tab18_label,
#tab19:checked ~ .tab_area .tab19_label, #tab20:checked ~ .tab_area .tab20_label,
#tab21:checked ~ .tab_area .tab21_label, #tab22:checked ~ .tab_area .tab22_label,
#tab23:checked ~ .tab_area .tab23_label {

    color: #fff;
    background: #4d4ebe;
    border-radius: 5px;
}

/**************** パネルエリア ****************/
.tab_panel {
    width: 100%;
    padding: 0;
    display: none;
    box-sizing: border-box;
}

.tab_panel p {
    font-size: 14px;
    letter-spacing: 1px;
    text-align: center;
}

#tab1:checked ~ .panel_area #panel1, #tab2:checked ~ .panel_area #panel2,
#tab3:checked ~ .panel_area #panel3, #tab4:checked ~ .panel_area #panel4,
#tab5:checked ~ .panel_area #panel5, #tab6:checked ~ .panel_area #panel6,
#tab7:checked ~ .panel_area #panel7, #tab8:checked ~ .panel_area #panel8,
#tab9:checked ~ .panel_area #panel9, #tab10:checked ~ .panel_area #panel10,
#tab11:checked ~ .panel_area #panel11, #tab12:checked ~ .panel_area #panel12,
#tab13:checked ~ .panel_area #panel13, #tab14:checked ~ .panel_area #panel14,
#tab15:checked ~ .panel_area #panel15, #tab16:checked ~ .panel_area #panel16,
#tab17:checked ~ .panel_area #panel17, #tab18:checked ~ .panel_area #panel18,
#tab19:checked ~ .panel_area #panel19, #tab20:checked ~ .panel_area #panel20,
#tab21:checked ~ .panel_area #panel21, #tab22:checked ~ .panel_area #panel22,
#tab23:checked ~ .panel_area #panel23 {
    
    display: block;
}

/**************** slickやbox ****************/
.slick-track { margin: 0; }
.slick-initialized .slick-slide { margin: 0; }
button.slick-next { display: block; }
.box { box-sizing: border-box; padding: 0; position: relative; }
.box img { width: 100%; height: auto; display: block; margin: 0 auto; }

/**************** RESPONSIVE ****************/

/* --- Mobile (767px以下) --- */
@media only screen and (max-width: 767px) {
    #page-top { bottom: 80px; right: 10px; }
    #page-top a img { width: 70px; }

    .tab_area { width: 100%; }
    .tab_area label {
        font-size: 18px;
        padding: 8px;
    }
}

/* --- Tablet / Desktop (768px以上) --- */
@media only screen and (min-width: 768px) {
    .panel_area { padding-top: 1em; margin-bottom: 2em; }
    .tab_area label { font-size: 30px; padding: 5px 10px; }
}

/* --- Tablet (768px - 1024px) --- */
@media only screen and (min-width: 768px) and (max-width: 1024px) {
    #page-top { right: 20px; }

    .tab_area { gap: 7px; }
    .tab_area label {
        font-size: 24px;
        margin: 0 11px 10px 0;
        padding: 12px 14px;
    }
}