@charset 'UTF-8';
/* **************************************************************************************

RESET

************************************************************************************** */
html, body, div, span, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, abbr, address, cite, code, del, dfn, em, img, ins, kbd, q, samp, small, strong, sub, sup, var, b, i, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, figcaption, figure, footer, header, hgroup, menu, nav, section, summary, time, mark, audio, video {
  margin: 0;
  padding: 0;
}

main {
  display: block;
}

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

fieldset, img {
  border: 0;
}

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

ol, ul {
  list-style: none;
  list-style-type: none;
}

li {
  list-style: none;
  list-style-type: none;
}

caption, th {
  font-weight: normal;
  text-align: left;
}

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

area {
  border: none;
  outline: none;
}

abbr, acronym {
  border: 0;
}

* {
  box-sizing: border-box;
}

input, textarea {
  appearance: none;
  border: 0;
  outline: none; 

  -webkit-appearance: none;
  -moz-appearance: none;
}

button {
  appearance: none;
  cursor: pointer; 
  margin: 0;
  padding: 0;
  background-color: transparent;
  border: 0;
  border-radius: 0;
  outline: none;

  -webkit-appearance: none;
  -moz-appearance: none;
}

input[type='submit'], input[type='button'] {
  cursor: pointer;
}

input, textarea {
  appearance: none; 

  -webkit-appearance: none;
  -moz-appearance: none;
}

a {
  outline: none;
}

figure {
  line-height: 0;
}

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

/* **************************************************************************************

BASE

************************************************************************************** */
html {
  position: relative;
  width: 100%;
}

body {
  position: relative;
  width: 100%;
  color: #101010;
  font-family: -apple-system, BlinkMacSystemFont, 'Helvetica Neue', 'Segoe UI', Hiragino Kaku Gothic ProN, 'ヒラギノ角ゴ ProN W3', Arial, 'メイリオ', Meiryo, sans-serif;
  font-weight: 400;
  -webkit-text-size-adjust: 100%; 

  -webkit-font-feature-settings: 'palt' 1;
  font-feature-settings: 'palt' 1;
}
body a, body button {
  color: #101010;
  font-family: -apple-system, BlinkMacSystemFont, 'Helvetica Neue', 'Segoe UI', Hiragino Kaku Gothic ProN, 'ヒラギノ角ゴ ProN W3', Arial, 'メイリオ', Meiryo, sans-serif;
  text-decoration: none; 

  -webkit-font-feature-settings: 'palt' 1;
  font-feature-settings: 'palt' 1;
}
body em {
  color: #d00;
}
body > img {
  height: 0 !important;
}

@media screen and (max-width: 767px) {
  body {
    min-height: 100%;
    min-width: 320px;
    font-size: 14px;
    letter-spacing: 1.4px;
    line-height: 2;
  }
  ._pc {
    display: none;
  }
}

@media print, screen and (min-width: 768px) {
  html {
    min-height: 100%;
  }
  body {
    height: 100%;
    min-height: 100%;
    font-size: 16px;
    letter-spacing: 2px;
    line-height: 2.4;
  }
  ._sp {
    display: none;
  }
}

/* **************************************************************************************

SITE HEADER

************************************************************************************** */
.header {
  border-bottom: 1px solid #ddd;
}
.header_inner {
  position: relative;
}
.header_tit {
  text-align: center;
}
.header_logo {
  position: absolute;
  top: 50%;
  margin: 0 auto;
  line-height: 0;
  text-align: center;
  transform: translateY(-50%); 

  -webkit-transform: translateY(-50%);
}
.header_logo a {
  display: block;
  line-height: 0;
}
.header_txt {
  border-top: 1px solid #ddd;
  text-align: center;
}

@media screen and (max-width: 767px) {
  .header_inner {
    height: 15.06667vw;
  }
  .header_tit {
    position: absolute;
    top: 50%;
    width: 100%;
    padding: 0 0 0 70px;
    text-align: left; 
    transform: translateY(-50%);

    -webkit-transform: translateY(-50%);
  }
  .header_logo {
    left: 24px;
    height: auto; 
    width: 35px;
  }
  .header_txt {
    padding: 8px 0;
    font-size: 10px;
  }
}

@media print, screen and (min-width: 768px) {
  .header_inner {
    margin: 0 auto;
    padding: 32px 5vw;
  }
  .header_tit {
    font-size: 18px;
    letter-spacing: 0.05em; 
    line-height: 1;
  }
  .header_tit span {
    letter-spacing: -0.05em;
  }
  .header_logo {
    left: 5vw;
    height: 32px; 
    width: 30px;
  }
  .header_txt {
    margin: 0 auto;
    padding: 24px 0;
    font-size: 14px;
    letter-spacing: 0.05em; 
    line-height: 1;
  }
}

/* **************************************************************************************

SITE MAIN

************************************************************************************** */
@media screen and (max-width: 767px) {
  .main {
    padding: 24px;
  }
}

@media print, screen and (min-width: 768px) {
  .main {
    margin: 0 auto;
    padding: 72px 5vw;
  }
}

/* **************************************************************************************

SITE CONTENTS

************************************************************************************** */
/* **************************************************************************************

SITE SIDE

************************************************************************************** */
@media screen and (max-width: 767px) {
  .side {
    padding: 24px 0;
  }
}

/* **************************************************************************************

SITE FOOTER

************************************************************************************** */
.footer {
  border-top: 1px solid #ddd;
  text-align: center;
}

@media screen and (max-width: 767px) {
  .footer_inner {
    padding: 3.2vw 0;
  }
  .footer_txt {
    font-size: 2.4vw;
    letter-spacing: 0; 
    line-height: 1;
  }
}

@media print, screen and (min-width: 768px) {
  .footer_inner {
    margin: 0 auto;
    padding: 24px 0;
  }
  .footer_txt {
    font-size: 12px;
    letter-spacing: 0; 
    line-height: 1;
  }
}

/*
text
*/
.text._h {
  font-weight: 600;
}

.text._command {
  background-color: #f0f0f0;
}

.text strong {
  font-weight: 600;
}

@media screen and (max-width: 767px) {
  .text {
    word-wrap: break-word;
  }
  .text + .text {
    margin: 24px 0 0;
  }
  .text._h {
    font-size: 20px;
    letter-spacing: 2px;
    line-height: 1.6;
  }
  .text._command {
    padding: 0 16px;
  }
  .text + .text._h {
    margin: 36px 0 0;
  }
}

@media print, screen and (min-width: 768px) {
  .text + .text {
    margin: 24px 0 0;
  }
  .text._h {
    font-size: 24px;
    letter-spacing: 4px;
  }
  .text._command {
    padding: 0 16px;
  }
  .text + .text._h {
    margin: 128px 0 0;
  }
}

/*
list
*/
.list._index .list_item {
  width: 100%;
}
.list._index .list_item a {
  display: block;
  width: 100%;
  background: #f0f0f0;
}
.list._index .list_item span {
  color: #aaa;
  font-weight: 300;
}

.list._files {
  border: 1px solid #ddd;
}
.list._files .list_item span {
  display: inline-block;
}
.list._files .list_item span span {
  color: #aaa;
}
.list._files .list_item ul span:before {
  content: '- ';
}

@media screen and (max-width: 767px) {
  .list._index .list_item a {
    padding: 2.66667vw 3.2vw 2.4vw;
    font-size: 4vw;
    letter-spacing: 0.2em; 
    line-height: 1;
  }
  .list._index .list_item span {
    margin: 0 0 0 1.6vw;
    font-size: 2.66667vw;
    letter-spacing: 0; 
    line-height: 1.5;
  }
  .list._index .list_item + .list_item {
    margin: 6.4vw 0 0;
  }
  .list._files {
    margin: 24px 0;
    padding: 16px;
  }
  .list._files .list_item {
    font-size: 14px;
    line-height: 2;
  }
  .list._files .list_item span span {
    margin: 0 0 0 8px;
  }
  .list._files .list_item ul {
    padding: 0 0 0 14px;
  }
}

@media print, screen and (min-width: 768px) {
  .list._index .list_item {
    display: flex;
    align-items: center;
  }
  .list._index .list_item a {
    padding: 14px 24px 12px;
    font-size: 18px;
    letter-spacing: 0.2em; 
    line-height: 1.3;
  }
  .list._index .list_item span {
    margin: 0 0 0 12px;
    font-size: 14px;
    letter-spacing: 0; 
    line-height: 1.7;
  }
  .list._index .list_item + .list_item {
    margin: 24px 0 0;
  }
  .list._files {
    margin: 24px 0;
    padding: 16px;
  }
  .list._files .list_item {
    font-size: 14px;
    line-height: 2;
  }
  .list._files .list_item span span {
    margin: 0 0 0 8px;
  }
  .list._files .list_item ul {
    padding: 0 0 0 14px;
  }
}

/*
heading
*/
@media screen and (max-width: 767px) {
  .heading._main {
    margin: 0 0 48px;
    font-size: 24px;
    line-height: 1.6;
  }
}

@media print, screen and (min-width: 768px) {
  .heading._main {
    margin: 0 0 72px;
    font-size: 32px;
    line-height: 1.45;
  }
}

/*
code
*/
.code_term:before {
  content: '■';
}

.code_des {
  overflow: auto;
  background-color: #f3f3f3; 
  -webkit-overflow-scrolling: touch;
}
.code_des code span {
  color: #aaa;
}
.code_des code em {
  color: #f00;
}

@media screen and (max-width: 767px) {
  .code {
    margin: 24px 0;
  }
  .code_des {
    padding: 16px;
  }
}

@media print, screen and (min-width: 768px) {
  .code {
    margin: 48px 0;
  }
  .code_des {
    padding: 16px;
  }
}

/*
rule
*/
.rule {
  position: relative;
}
.rule:before {
  position: absolute;
  left: 0;
  top: 0;
  content: '';
  display: block;
  height: 100%;
  background: #000;
}
.rule_term {
  font-weight: 600;
}
.rule_des {
  color: #f00;
}

@media screen and (max-width: 767px) {
  .rule {
    margin: 32px 0 0;
    padding: 0 0 0 18px;
  }
  .rule:before {
    width: 2px;
  }
  .rule + p {
    margin: 24px 0 0;
  }
  .rule + p._h {
    margin: 64px 0 0;
  }
}

@media print, screen and (min-width: 768px) {
  .rule {
    margin: 32px 0 0;
    padding: 0 0 0 18px;
  }
  .rule:before {
    width: 2px;
  }
  .rule + p {
    margin: 48px 0 0;
  }
  .rule + p._h {
    margin: 128px 0 0;
  }
}

/*
sec
*/
.sec a {
  text-decoration: underline;
}

@media print, screen and (min-width: 768px) {
  .sec {
    margin: 0 0 128px;
  }
}