@charset "UTF-8";
/* このCSSはSASSで作成されています。
　編集する場合は以下のファイルをを編集してください。
　svn://192.168.100.5/wp/50110-www2/web/jp/information/securityguide/css/securityguide-style.scss
　※直接のこのCSSを編集しないでください。*/
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;
  border: 0;
  outline: 0;
  font-size: 100%;
  vertical-align: baseline;
  background: transparent;
}

body {
  line-height: 1;
}

article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
  display: block;
}

nav ul {
  list-style: none;
}

blockquote, q {
  quotes: none;
}

blockquote:before, blockquote:after,
q:before, q:after {
  content: '';
  content: none;
}

a {
  margin: 0;
  padding: 0;
  font-size: 100%;
  vertical-align: baseline;
  background: transparent;
  text-decoration: none;
}

li, ol {
  list-style: none;
}

del {
  text-decoration: line-through;
}

abbr[title], dfn[title] {
  border-bottom: 1px dotted;
  cursor: help;
}

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

input, select {
  vertical-align: middle;
}

* {
  font-family: "Hiragino Kaku Gothic Pro", "Meiryo", Osaka, "MS PGothic", sans-serif;
  color: #222222;
  font-size: 1rem;
  line-height: 1.8;
  box-sizing: border-box;
}

html {
  position: relative;
  z-index: -5;
}

body {
  position: relative;
  z-index: -4;
}

a,
img,
span {
  display: inline-block;
  width: 100%;
}

a {
  color: #1d54a7;
}
a:hover {
  opacity: .8;
}

.wrap {
  width: 100%;
  max-width: 67.75rem;
  padding: 0 2rem;
  margin-right: auto;
  margin-left: auto;
}

.sp-only {
  display: none;
}

#btn_Pagetop {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 100;
}
#btn_Pagetop a {
  display: block;
  border-radius: 50%;
  width: 2.5rem;
  height: 2.5rem;
  background-color: #999;
  color: #fff;
  font-size: 18px;
}
#btn_Pagetop a:after {
  content: '>';
  position: absolute;
  top: 4px;
  left: 14px;
  -webkit-transform: rotate(-90deg) scale(0.6, 1.2);
  -moz-transform: rotate(-90deg) scale(0.6, 1.2);
  -ms-transform: rotate(-90deg) scale(0.6, 1.2);
  transform: rotate(-90deg) scale(0.6, 1.2);
  font-weight: normal;
}
#btn_Pagetop a:hover {
  text-decoration: none;
  opacity: 0.8;
}

header {
  position: relative;
  background: #f3f7f9;
  z-index: 1;
}
header .logoArea {
  padding-top: 1rem;
  padding-bottom: 1rem;
  text-align: right;
}
header .logoArea span {
  width: 11rem;
}
header .catch {
  padding-bottom: 10rem;
}
header .catch h1 {
  position: relative;
  width: 98%;
  padding-bottom: .5rem;
  margin-bottom: 1.5rem;
  font-size: 2.25rem;
  color: #082f50;
  border-bottom: 2px solid rgba(62, 112, 156, 0.6);
}
header .catch h1 span {
  position: absolute;
  right: -2%;
  max-width: 14.25rem;
}
header .catch p {
  max-width: 37rem;
  font-size: 1.75rem;
  color: #082f50;
}

nav {
  position: relative;
  margin: -8.5rem 0 3.5rem;
  z-index: 2;
}
nav .fixed-only {
  display: none;
}
nav ul {
  font-size: 0;
}
nav ul li {
  display: inline-block;
  width: 32%;
  max-width: 20.25rem;
  margin-right: 1.5rem;
  vertical-align: top;
  margin: 0 2% 1.5rem 0;
}
nav ul li:nth-of-type(3n) {
  margin-right: 0;
}
nav ul li a {
  font-size: 1rem;
}
nav ul li > span a {
  position: relative;
  padding: 1.5rem;
  font-size: 1.25rem;
  line-height: 1;
  background: #f3f7f9;
  border: 1px solid #1d54a7;
  border-radius: .5rem;
}
nav ul li > span a:after {
  position: absolute;
  top: 0;
  bottom: 0;
  right: 1.5rem;
  content: '';
  display: inline-block;
  width: 11px;
  height: 20px;
  margin: auto;
  background: linear-gradient(to bottom left, transparent 50%, #1d54a7 50%) top left/100% 50% no-repeat, linear-gradient(to top left, transparent 50%, #1d54a7 50%) bottom left/100% 50% no-repeat;
}
nav ul li .ttl {
  padding: 1.5rem 1rem;
  font-size: 1.25rem;
  color: #082f50;
  font-weight: bold;
  background: no-repeat center url("/web/jp/information/securityguide/img/nav-hack-bg.png");
  background-size: cover;
  border: 1px solid #1d54a7;
  border-radius: .5rem .5rem 0 0;
  border-bottom: none;
}
nav ul li .ttl.option {
  background-image: url("/web/jp/information/securityguide/img/nav-op-bg.png");
}
nav ul li .ttl.facility {
  background-image: url("/web/jp/information/securityguide/img/nav-faci-bg.png");
}
nav ul li .txt {
  padding: 1rem;
  font-size: 1rem;
  background: #fff;
  border-radius: 0 0 .5rem .5rem;
  border: 1px solid #1d54a7;
  border-top: none;
}
nav ul li .txt span {
  color: #1d54a7;
  text-align: right;
}
nav ul li .txt span:after {
  content: '';
  display: inline-block;
  width: 6px;
  height: 10px;
  margin-left: 4px;
  background: linear-gradient(to bottom left, transparent 50%, #1d54a7 50%) top left/100% 50% no-repeat, linear-gradient(to top left, transparent 50%, #1d54a7 50%) bottom left/100% 50% no-repeat;
}

main {
  position: relative;
  z-index: -3;
}
main > div > section {
  margin-bottom: 5rem;
}
main > div > section dl {
  position: relative;
  padding: 1rem 0 1rem 1rem;
}
main > div > section dl:before {
  position: absolute;
  left: 0;
  top: 0;
  content: "";
  display: block;
  width: 3.25rem;
  height: 100%;
  background: #f3f7f9;
  z-index: -1;
}
main > div > section dl dt {
  margin-bottom: .5rem;
  font-size: 1.25rem;
  color: #3e709c;
  font-weight: bold;
}
main > div > section dl dd {
  font-size: 1rem;
}
main .main > section h2 {
  width: 60%;
  margin: 0 auto 2rem;
  font-size: 1.5rem;
  color: #082f50;
  text-align: center;
}
main .main > section h2:before {
  content: "";
  display: block;
  height: 2px;
  width: 100%;
  margin: 0 0 1.5rem;
  background: linear-gradient(to left, rgba(62, 112, 156, 0.6), #082f50 50%, rgba(62, 112, 156, 0.6));
}
main .main > section h2:after {
  content: "";
  display: block;
  height: 2px;
  width: 100%;
  margin: 1.5rem 0 0;
  background: linear-gradient(to left, rgba(62, 112, 156, 0.6), #082f50 50%, rgba(62, 112, 156, 0.6));
}
main .main > section h3 {
  margin-bottom: .5rem;
  color: #082f50;
  font-size: 1.25rem;
  background: #f3f7f9;
  border: 1px solid #082f50;
}
main .main #hacking .illust {
  max-width: 926px;
  margin: 0 auto 1.5rem;
}
main .main #hacking ol {
  font-size: 0;
}
main .main #hacking ol li {
  display: inline-block;
  width: 48%;
  max-width: 31.125rem;
  margin-right: 0;
  vertical-align: top;
  margin-bottom: 1.5rem;
}
main .main #hacking ol li:first-of-type {
  margin-right: 1.5rem;
}
main .main #hacking ol li:last-of-type {
  margin-bottom: 0;
}
main .main #hacking ol li:nth-of-type(3n) {
  width: auto;
  max-width: 100%;
}
main .main #hacking ol li h3 span {
  width: 3.875rem;
  padding: 1.25rem 0;
  margin-right: 1rem;
  color: #fff;
  text-align: center;
  line-height: 1;
  background: #082f50;
}
main .main #hacking ol li > p {
  position: relative;
  min-height: 10.75rem;
  padding: 1rem 0 1rem 1rem;
  font-size: 1rem;
}
main .main #hacking ol li > p:before {
  position: absolute;
  left: 0;
  top: 0;
  content: "";
  display: block;
  width: 3.25rem;
  height: 100%;
  background: #f3f7f9;
  z-index: -1;
}
main .main #hacking ol li dl {
  display: inline-block;
  width: 32%;
  max-width: 20.25rem;
  margin-right: 1.5rem;
  vertical-align: top;
  min-height: 15.25rem;
}
main .main #hacking ol li dl.last {
  margin-right: 0;
}
main .main #option > p {
  max-width: 33.5rem;
  margin: 0 auto 2rem;
  text-align: center;
}
main .main #option > p span {
  color: #082f50;
  font-size: 0.75rem;
}
main .main #option ul {
  font-size: 0;
}
main .main #option ul li {
  display: inline-block;
  width: 32%;
  max-width: 20.25rem;
  margin-right: 1.5rem;
  vertical-align: top;
}
main .main #option ul li:nth-of-type(3n) {
  margin: 0 0 1.5rem 0;
}
main .main #option ul li:nth-of-type(4n) {
  display: block;
  width: 100%;
  max-width: 42rem;
  margin: 0 auto;
}
main .main #option ul li:nth-of-type(4n) dl {
  display: inline-block;
  width: 50%;
  max-width: 20.25rem;
  margin-right: 1.5rem;
  vertical-align: top;
}
main .main #option ul li:nth-of-type(4n) dl.last {
  margin-right: 0;
}
main .main #option ul li h3 {
  position: relative;
  padding: 1.35rem 1rem 1.35rem 2.5rem;
  line-height: 1;
}
main .main #option ul li h3:before {
  position: absolute;
  top: 0;
  left: 0;
  content: "";
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 2rem 0 2rem 2rem;
  border-color: transparent transparent transparent #082f50;
}
main .main #option ul li dl dd {
  margin-bottom: .5rem;
}
main .main #option ul li dl dd img {
  display: block;
  max-width: 17.5rem;
  max-height: 9rem;
  margin: 0 auto;
}
main .main #facility ul {
  font-size: 0;
}
main .main #facility ul li {
  display: inline-block;
  width: 48%;
  max-width: 31.125rem;
  margin-right: 1.5rem;
  vertical-align: top;
}
main .main #facility ul li:first-of-type {
  margin-bottom: 1.5rem;
}
main .main #facility ul li:nth-of-type(even) {
  margin-right: 0;
}
main .main #facility ul li dl:before {
  height: 88%;
}
main .main #facility ul li dl dt {
  color: #082f50;
}
main .main #facility ul li dl dd {
  min-height: 11.75rem;
  padding: 2rem 1rem 1rem 2rem;
  background: no-repeat center url("/web/jp/information/securityguide/img/facilityDatacenter.png");
  background-size: cover;
}
main .main #facility ul li dl dd.redundant {
  background-image: url("/web/jp/information/securityguide/img/facilityRedundant.png");
}
main .main #facility ul li dl dd.monitoring {
  background-image: url("/web/jp/information/securityguide/img/facility24monitoring.png");
}
main .main #facility ul li dl dd.backup {
  background-image: url("/web/jp/information/securityguide/img/facilitybackup.png");
}
main .sub {
  position: relative;
  padding-top: 5rem;
  background: #f3f7f9;
  z-index: -2;
}
main .sub h2 {
  text-align: center;
}
main .sub h2 span {
  width: auto;
  margin-bottom: 2rem;
  font-size: 1.5rem;
  color: #082f50;
}
main .sub h2 span:after {
  content: "";
  display: block;
  height: 2px;
  width: 130%;
  margin: 0 0 0 -15%;
  background: linear-gradient(to left, rgba(62, 112, 156, 0.6), #082f50 50%, rgba(62, 112, 156, 0.6));
}
main .sub dl:before {
  height: 80%;
  max-height: 11.5rem;
  background: #dfe8ef;
}
main .sub dl dt {
  color: #082f50;
}
main .sub #thirdParty ul li {
  margin-bottom: 1.5rem;
}
main .sub #thirdParty ul li:last-of-type {
  margin-bottom: 0;
}
main .sub #thirdParty ul li dl dd {
  display: inline-block;
  vertical-align: top;
}
main .sub #thirdParty ul li dl dd:first-of-type {
  width: 18.5%;
  max-width: 11.625rem;
  margin-right: 1rem;
}
main .sub #thirdParty ul li dl dd:nth-of-type(2) {
  width: 52.5%;
  max-width: 32.75rem;
  margin-right: 1rem;
}
main .sub #thirdParty ul li dl dd:nth-of-type(3) {
  width: 25%;
}
main .sub #thirdParty ul li dl dd:nth-of-type(3) span {
  margin-bottom: .5rem;
}
main .sub #thirdParty ul li dl dd:nth-of-type(3) span a {
  width: auto;
}
main .sub #thirdParty ul li dl dd:nth-of-type(3) span a:before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 10px;
  margin-right: 4px;
  background: linear-gradient(to bottom left, transparent 50%, #1d54a7 50%) top left/100% 50% no-repeat, linear-gradient(to top left, transparent 50%, #1d54a7 50%) bottom left/100% 50% no-repeat;
}
main .sub #download ul,
main .sub #slo ul {
  font-size: 0;
}
main .sub #download ul li,
main .sub #slo ul li {
  display: inline-block;
  width: 48%;
  max-width: 31.125rem;
  margin-right: 1.5rem;
  vertical-align: top;
}
main .sub #download ul li:first-of-type,
main .sub #slo ul li:first-of-type {
  margin-bottom: 1.5rem;
}
main .sub #download ul li:nth-of-type(even),
main .sub #slo ul li:nth-of-type(even) {
  margin-right: 0;
}
main .sub #download ul li:last-of-type dl dt,
main .sub #slo ul li:last-of-type dl dt {
  font-size: 1.2rem;
}
main .sub #download ul li dl dd,
main .sub #slo ul li dl dd {
  position: relative;
  min-height: 9.625rem;
  padding: 1rem;
  background: #fff;
}
main .sub #download ul li dl dd p,
main .sub #slo ul li dl dd p {
  margin-bottom: 1rem;
}
main .sub #download ul li dl dd span a,
main .sub #slo ul li dl dd span a {
  position: relative;
  padding: 1rem;
  font-size: 1rem;
  line-height: 1;
  background: #f3f7f9;
  border: 1px solid #1d54a7;
  border-radius: .5rem;
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  max-width: 18rem;
}
main .sub #download ul li dl dd span a:after,
main .sub #slo ul li dl dd span a:after {
  position: absolute;
  top: 0;
  bottom: 0;
  right: 1rem;
  content: '';
  display: inline-block;
  width: 11px;
  height: 20px;
  margin: auto;
  background: linear-gradient(to bottom left, transparent 50%, #1d54a7 50%) top left/100% 50% no-repeat, linear-gradient(to top left, transparent 50%, #1d54a7 50%) bottom left/100% 50% no-repeat;
}
main .sub #slo {
  margin-bottom: 0;
  padding-bottom: 5rem;
}
main .sub #slo ul li {
  width: 100%;
  max-width: 100%;
}
main .sub #slo ul li dl dd span a {
  max-width: 24.75rem;
}

footer {
  background: #f2f2f2;
  padding: 1rem 0;
  text-align: right;
}
footer p {
  color: #666;
}

@media screen and (max-width: 1083px) {
  nav ul li {
    margin: 0 2% 1rem 0;
  }
  nav ul li .ttl {
    font-size: 1.15rem;
  }
  nav ul li .txt {
    position: relative;
    min-height: 173px;
  }
  nav ul li .txt span {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    z-index: 2;
  }

  main .main > section h3 {
    font-size: 1.15rem;
  }
  main .main #hacking ol li dl {
    margin-right: 2%;
  }
  main .main #option ul li {
    margin-right: 2%;
  }
  main .main #facility ul li dl dd {
    min-height: 15.25rem;
  }
  main .sub #thirdParty ul li dl dd:nth-of-type(2) {
    width: 48%;
  }
  main .sub #thirdParty ul li dl dd:nth-of-type(3) {
    width: 28%;
  }
  main .sub #download ul li:nth-of-type(4) dl dt {
    font-size: 1.1rem;
    margin-bottom: 13px;
  }
}
@media screen and (max-width: 1083px) and (max-width: 983px) {
  main .main #option ul li:nth-of-type(-n+3) dl {
    min-height: 28.5rem;
  }
}
@media screen and (max-width: 959px) {
  header .catch {
    padding-bottom: 7rem;
  }
  header .catch h1 {
    font-size: 1.75rem;
  }
  header .catch h1 span {
    max-width: 13.5rem;
  }
  header .catch p {
    max-width: 32rem;
    font-size: 1.5rem;
  }

  nav {
    margin-top: -4.5rem;
  }
  nav ul li:nth-of-type(-n+3) {
    display: block;
    width: 100%;
    max-width: 100%;
    margin: 0 0 1.5rem;
  }
  nav ul li:nth-of-type(-n+3):last-of-type {
    margin-bottom: 0;
  }
  nav ul li:nth-of-type(-n+3) a {
    font-size: 0;
  }
  nav ul li:nth-of-type(-n+3) a .ttl {
    width: 40%;
    padding: 2.66rem 1rem;
    vertical-align: top;
    border-radius: .5rem 0 0 .5rem;
    border: 1px solid #1d54a7;
    border-right: none;
  }
  nav ul li:nth-of-type(-n+3) a .txt {
    width: 60%;
    min-height: 7.5rem;
    border-radius: 0 .5rem .5rem 0;
    border: 1px solid #1d54a7;
    border-left: none;
  }
  nav ul li:nth-last-of-type(-n+3) a {
    font-size: 1.15rem;
    padding: 1.5rem 1rem;
  }
  nav ul li:nth-last-of-type(-n+3) a:after {
    right: 1rem;
    width: 8px;
    height: 16px;
  }

  main > div > section dl dt {
    font-size: 1.15rem;
  }
  main .main > section h2 {
    font-size: 1.25rem;
  }
  main .main > section h2:before {
    content: "";
    display: block;
    height: 2px;
    width: 100%;
    margin: 0 0 1rem;
    background: linear-gradient(to left, rgba(62, 112, 156, 0.6), #082f50 50%, rgba(62, 112, 156, 0.6));
  }
  main .main > section h2:after {
    content: "";
    display: block;
    height: 2px;
    width: 100%;
    margin: 1rem 0 0;
    background: linear-gradient(to left, rgba(62, 112, 156, 0.6), #082f50 50%, rgba(62, 112, 156, 0.6));
  }
  main .main #hacking ol li {
    display: block;
    width: 100%;
    max-width: 100%;
    margin: 0 0 1.5rem;
  }
  main .main #hacking ol li:last-of-type {
    margin-bottom: 0;
  }
  main .main #hacking ol li > p {
    min-height: 100%;
  }
  main .main #hacking ol li dl {
    display: block;
    width: 100%;
    max-width: 100%;
    margin: 0 0 1rem;
    min-height: 100%;
  }
  main .main #hacking ol li dl:last-of-type {
    margin-bottom: 0;
  }
  main .main #option ul li {
    display: block;
    width: 100%;
    max-width: 100%;
    margin: 0 0 1.5rem;
  }
  main .main #option ul li:last-of-type {
    margin-bottom: 0;
  }
  main .main #option ul li:nth-of-type(-n+3) dl {
    min-height: 100%;
  }
  main .main #option ul li:nth-of-type(4n) {
    max-width: 100%;
  }
  main .main #option ul li:nth-of-type(4n) dl {
    display: block;
    width: 100%;
    max-width: 100%;
    margin: 0 0 1rem;
  }
  main .main #option ul li:nth-of-type(4n) dl:last-of-type {
    margin-bottom: 0;
  }
  main .main #option ul li dl {
    min-height: 100%;
    font-size: 0;
  }
  main .main #option ul li dl dd {
    display: inline-block;
    vertical-align: top;
  }
  main .main #option ul li dl dd:first-of-type {
    width: 38%;
    margin-right: 2%;
  }
  main .main #option ul li dl dd:nth-of-type(2) {
    width: 60%;
  }
  main .main #facility ul li {
    display: block;
    width: 100%;
    max-width: 100%;
    margin: 0 0 1.5rem;
  }
  main .main #facility ul li:last-of-type {
    margin-bottom: 0;
  }
  main .main #facility ul li dl dd {
    min-height: 11rem;
  }
  main .sub h2 span {
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
  }
  main .sub dl:before {
    max-height: 80%;
  }
  main .sub #thirdParty ul li dl {
    font-size: 0;
  }
  main .sub #thirdParty ul li dl dd:first-of-type {
    width: 22%;
    max-width: 22%;
    margin-right: 2%;
  }
  main .sub #thirdParty ul li dl dd:nth-of-type(2) {
    width: 76%;
    max-width: 76%;
    margin-right: 0;
  }
  main .sub #thirdParty ul li dl dd:nth-of-type(3) {
    width: 100%;
    text-align: right;
  }
  main .sub #thirdParty ul li dl dd span {
    width: auto;
    margin-right: 1rem;
  }
  main .sub #download ul li {
    display: block;
    width: 100%;
    max-width: 100%;
    margin: 0 0 1.5rem;
  }
  main .sub #download ul li:last-of-type {
    margin-bottom: 0;
  }
  main .sub #download ul li dl dd {
    min-height: 8.25rem;
  }
}
@media (max-width: 767px) {
  .sp-only {
    display: block;
  }

  .pc-only {
    display: none;
  }

  header .catch h1 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
  }
  header .catch h1 span {
    bottom: -8rem;
    width: 30%;
  }
  header .catch p {
    max-width: 68%;
    font-size: 1.15rem;
  }
  nav ul li {
    display: block;
    width: 100%;
    max-width: 100%;
    margin: 0 0 1.5rem;
  }
  nav ul li:last-of-type {
    margin-bottom: 0;
  }
  nav ul li:nth-of-type(-n+3) a .ttl {
    width: 100%;
    padding: 2rem 1rem;
    border-radius: .5rem .5rem 0 0;
    border: 1px solid #1d54a7;
    border-bottom: none;
  }
  nav ul li:nth-of-type(-n+3) a .txt {
    width: 100%;
    min-height: 8rem;
    border-radius: 0 0 .5rem .5rem;
    border: 1px solid #1d54a7;
    border-top: none;
  }
  main .main > section h2 {
    width: 100%;
  }
  main .main #option ul li dl dd:first-of-type {
    width: 100%;
    margin-bottom: 1rem;
    text-align: center;
  }
  main .main #option ul li dl dd:nth-of-type(2) {
    width: 100%;
  }
  main .sub dl:before {
    height: 100%;
    max-height: 100%;
  }
  main .sub #thirdParty ul li dl dd:first-of-type {
    width: 100%;
    max-width: 100%;
    margin-right: 0;
    text-align: center;
  }
  main .sub #thirdParty ul li dl dd:first-of-type img {
    max-width: 11.625rem;
  }
  main .sub #thirdParty ul li dl dd:nth-of-type(2) {
    width: 100%;
    max-width: 100%;
    margin-bottom: 1rem;
  }
  main .sub #thirdParty ul li dl dd:nth-of-type(3) span {
    display: block;
  }
  main .sub #download ul li dl dd span a,
  main .sub #slo ul li dl dd span a {
    position: relative;
    right: auto;
    bottom: auto;
    display: block;
    width: 100%;
    margin: 0 auto;
  }
  main .sub #slo ul li dl dd span a {
    padding-right: 2.25rem;
  }
}
@media screen and (max-width: 767px) and (max-width: 459px) {
  header .catch {
    padding-bottom: 9rem;
  }
}
@media screen and (max-width: 767px) and (max-width: 459px) {
  header .catch h1 {
    width: 100%;
    font-size: 1.15rem;
    text-align: center;
  }
}
@media screen and (max-width: 767px) and (max-width: 459px) {
  header .catch h1 span {
    bottom: -13.5rem;
    right: 0;
    left: 0;
    width: 42%;
    max-width: 9rem;
    margin: auto;
  }
}
@media screen and (max-width: 767px) and (max-width: 459px) {
  header .catch p {
    max-width: 100%;
    font-size: 1rem;
  }
}

@media screen and (max-width: 767px) and (max-width: 459px) {
  nav {
    margin-top: 2rem;
  }
}
@media screen and (max-width: 767px) and (max-width: 459px) {
  nav ul li:nth-of-type(-n+3) a .txt {
    min-height: 10rem;
  }
}

@media screen and (max-width: 767px) and (max-width: 459px) {
  main .main #hacking ol li h3 span {
    width: 3rem;
    margin-right: 0.5rem;
  }
}
@media screen and (max-width: 767px) and (max-width: 369px) {
  main .main #hacking ol li:nth-of-type(3n) h3 {
    font-size: 0.875rem;
  }
}