html {
    color: #000;
    background: #fff;
}

body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
code,
form,
fieldset,
legend,
input,
textarea,
p,
blockquote,
th,
td {
    margin: 0;
    padding: 0;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

fieldset,
img {
    border: 0;
}

address,
caption,
cite,
code,
dfn,
em,
strong,
th,
var {
    font-style: normal;
    font-weight: normal;
}

ol,
ul {
    list-style: none;
}

caption,
th {
    text-align: left;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-size: 100%;
    font-weight: normal;
}

q:before,
q:after {
    content: "";
}

abbr,
acronym {
    border: 0;
    font-variant: normal;
}

sup {
    vertical-align: text-top;
}

sub {
    vertical-align: text-bottom;
}

input,
textarea,
select,
button {
    font-family: inherit;
    font-size: inherit;
    font-weight: inherit;
    line-height: inherit;
    font-size: 100%;
}

legend {
    color: #000;
}

*::before,
*::after {
    box-sizing: border-box;
}


/* base */
/* ---------------- */

* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    box-sizing: border-box;
}

body {
    line-height: 1.5;
    font-size: 1rem;
    padding: 20px;
    margin: 0 auto;
}

h2 {
    font-size: 1.5rem;
    font-weight: bold;
    text-align: center;
    margin-bottom: 20px;
}

a {
    text-decoration: none;
    color: #0d6efd;
}

a:hover {
    text-decoration: underline;
}

img {
    width: 100%;
    height: auto;
    vertical-align: bottom;
}

.max-w-screen-sm {
    max-width: 640px;
}

.max-w-screen-md {
    max-width: 768px;
}

.max-w-screen-lg {
    max-width: 1024px;
}

.mb-4 {
    /* 16px */
    margin-bottom: 1rem;
}

.overflow-x-auto {
    overflow-x: auto;
}

/* table */

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    border: 1px solid #dddddd;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

th,
td {
    padding: 12px;
    white-space: nowrap;
}

th {
    border: 1px solid #333;
    background-color: #333;
    color: #ffffff;
    text-transform: uppercase;
}

td {
    border-bottom: 1px solid #dddddd;
}

tr:hover {
    background-color: #f1f1f1;
}

tr:nth-of-type(even) {
    background-color: #f9f9f9;
}

/* form */

.c-form-text {
    height: 2.4em;
    width: 100%;
    padding: 0 16px;
    border-radius: 4px;
    border: none;
    box-shadow: 0 0 0 1px #ccc inset;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

.c-form-text:focus {
    outline: 0;
    box-shadow: 0 0 0 2px rgb(33, 150, 243) inset;
}

.c-form-radio {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.c-form-radio input {
    position: absolute;
    white-space: nowrap;
    width: 1px;
    height: 1px;
    overflow: hidden;
    border: 0;
    padding: 0;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    margin: -1px;
}

.c-form-radio-name {
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    color: #666;
}

.c-form-radio-name:before {
    content: "";
    display: inline-block;
    width: 1.2em;
    height: 1.2em;
    border: 1px solid #ccc;
    border-radius: 50%;
    margin-right: 6px;
    flex-shrink: 0;
}

.c-form-radio input:checked+.c-form-radio-name {
    color: rgb(33, 150, 243);
}

.c-form-radio input:checked+.c-form-radio-name:before {
    border: 0.35em solid rgb(33, 150, 243);
}

.c-form-radio input:focus-visible+.c-form-radio-name .c-form-radio-text {
    background: linear-gradient(transparent 90%, rgba(33, 150, 243, 0.3) 90%);
}

.c-form-checkbox {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.c-form-checkbox input {
    position: absolute;
    white-space: nowrap;
    width: 1px;
    height: 1px;
    overflow: hidden;
    border: 0;
    padding: 0;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    margin: -1px;
}

.c-form-checkbox-name {
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    color: #666;
    position: relative;
}

.c-form-checkbox-name:before {
    content: "";
    display: inline-block;
    width: 1.2em;
    height: 1.2em;
    border: 1px solid #ccc;
    border-radius: 3px;
    margin-right: 6px;
    flex-shrink: 0;
}

.c-form-checkbox input:checked+.c-form-checkbox-name {
    color: rgb(33, 150, 243);
}

.c-form-checkbox input:checked+.c-form-checkbox-name:before {
    border: 1px solid rgb(33, 150, 243);
    background-color: rgb(33, 150, 243);
}

.c-form-checkbox input:checked+.c-form-checkbox-name:after {
    content: "";
    position: absolute;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    left: 0.4em;
    top: 0;
    bottom: 0;
    margin: auto;
    width: 0.4em;
    height: 0.65em;
    transform: translateY(-1px) rotate(45deg);
}

.c-form-checkbox input:focus-visible+.c-form-checkbox-name .c-form-checkbox-text {
    background: linear-gradient(transparent 90%, rgba(33, 150, 243, 0.3) 90%);
}

.c-form-select {
    position: relative;
}

.c-form-select:before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    margin: auto;
    right: 12px;
    width: 8px;
    height: 8px;
    border-top: 2px solid #333;
    border-right: 2px solid #333;
    transform: rotate(135deg);
    pointer-events: none;
}

.c-form-select select {
    height: 2.4em;
    width: 100%;
    padding: 0 8px;
    border-radius: 4px;
    border: none;
    box-shadow: 0 0 0 1px #ccc inset;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    cursor: pointer;
}

.c-form-select select::-ms-expand {
    display: none;
}

.c-form-select select:focus {
    outline: 0;
    box-shadow: 0 0 0 2px rgb(33, 150, 243) inset;
}

.c-form-textarea {
    display: block;
    width: 100%;
    /* height: 100%; */
    padding: 4px 16px;
    border-radius: 4px;
    border: none;
    box-shadow: 0 0 0 1px #ccc inset;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    resize: vertical;
}

.c-form-textarea:focus {
    outline: 0;
    box-shadow: 0 0 0 2px rgb(33, 150, 243) inset;
}

.c-form-submit-button {
    display: inline-block;
    width: 100%;
    padding: 8px;
    border: none;
    border-radius: 4px;
    background-color: #333;
    color: #fff;
    font-weight: bold;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    cursor: pointer;
    border: 2px solid transparent;
}

.c-form-submit-button:hover {
    background-color: #000;
}

.c-form-submit-button:focus {
    outline: 0;
    background-color: #000;
    border: 2px solid rgb(33, 150, 243);
}