@charset "UTF-8";
:root {
    --background: var(--color_bg);
    
    /* フォント */
    --font-family: YakuHanMP, "tbudmincho-std", serif;
    --font-family_heading: YakuHanMP, "ibm-plex-mono", monospace, var(--font-family); /* ← 見出し用*/
    --font-family_alphanumeric: YakuHanMP, "ibm-plex-mono";
    --font-family_icon: 'remixicon';
    --font-weight: 500;
    --font-weight_bold: 800;
    --font-size: 16px;
    --font-size_xs: clamp(12px, 1.5vw, 13px);
    --font-size_s: clamp(14px, 1.8vw, 15px);
    --font-size_l: clamp(17px, 2.5vw, 18px);
    --font-size_xl: clamp(18px, 3vw, 20px);

    /* カラー */
    --color_text: #2f2f3b;
    --color_bg: #e5e5e7;
    --color_bg--rgb: 229, 229, 231;
    --color_primary: #0000b7;
    --color_primary--rgb: 0, 0, 183;

    /* 装飾 */
    --border-radius: .6rem;
}

/* ======================================
   reset.css(ress.css)
========================================= */
html{box-sizing:border-box;-webkit-text-size-adjust:100%;word-break:normal;-moz-tab-size:4;tab-size:4}*,::before,::after{background-repeat:no-repeat;box-sizing:inherit}::before,::after{text-decoration:inherit;vertical-align:inherit}*{padding:0;margin:0}hr{overflow:visible;height:0;color:inherit}details,main{display:block}summary{display:list-item}small{font-size:80%}[hidden]{display:none}abbr[title]{border-bottom:none;text-decoration:underline;text-decoration:underline dotted}a{background-color:transparent}a:active,a:hover{outline-width:0}code,kbd,pre,samp{font-family:monospace,monospace}pre{font-size:1em}b,strong{font-weight:bolder}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}table{border-color:inherit;text-indent:0}iframe{border-style:none}input{border-radius:0}[type='number']::-webkit-inner-spin-button,[type='number']::-webkit-outer-spin-button{height:auto}[type='search']{-webkit-appearance:textfield;outline-offset:-2px}[type='search']::-webkit-search-decoration{-webkit-appearance:none}textarea{overflow:auto;resize:vertical}button,input,optgroup,select,textarea{font:inherit}optgroup{font-weight:700}button{overflow:visible}button,select{text-transform:none}button,[type='button'],[type='reset'],[type='submit'],[role='button']{cursor:pointer}button::-moz-focus-inner,[type='button']::-moz-focus-inner,[type='reset']::-moz-focus-inner,[type='submit']::-moz-focus-inner{border-style:none;padding:0}button:-moz-focusring,[type='button']::-moz-focus-inner,[type='reset']::-moz-focus-inner,[type='submit']::-moz-focus-inner{outline:1px dotted ButtonText}button,html [type='button'],[type='reset'],[type='submit']{-webkit-appearance:button}button,input,select,textarea{background-color:transparent}button,input,select,{border-style:none}a:focus,button:focus,input:focus,select:focus,textarea:focus{outline-width:0}select{-moz-appearance:none;-webkit-appearance:none}select::-ms-expand{display:none}select::-ms-value{color:currentColor}legend{border:0;color:inherit;display:table;max-width:100%;white-space:normal;max-width:100%}::-webkit-file-upload-button{-webkit-appearance:button;color:inherit;font:inherit}[disabled]{cursor:default}img{border-style:none}progress{vertical-align:baseline}[aria-busy='true']{cursor:progress}[aria-controls]{cursor:pointer}[aria-disabled='true']{cursor:default}