:root {
  --fs-title: 40px;
  --fs-lead: 22px;
  --fs-content: 16px;
  --fs-red-circle: 24px;
  --fs-button: 18px;
  --fs-small: 14px;
  --color-navy: #032647;
  --color-red: #bf0d1b;
  --max-width: 1280px;
}

@media (max-width: 767px) {
  :root {
    --fs-title: 22px;
    --fs-lead: 18px;
    --fs-content: 14px;
    --fs-red-circle: 18px;
    --fs-button: 16px;
    --fs-small: 13px;
  }
}

body {
  margin: 0;
  font-family: 'Noto Sans JP', sans-serif;
  color: #000;
}
.pill{
  border-radius: 50px;;
}
.text-red{
  color: var(--color-red);
}
.text-navy{
  color: var(--color-navy);
}
.text-white{
  color: #fff;
}
.fw-bold{
  font-weight: bold;
}
.small{
  font-size: var(--fs-small);
}
.border-none{
  border: none!important;
}
.csirt-hero {
  background: url('/dcms_media/image/csirt-mv-bg.webp') no-repeat center/cover,    linear-gradient(to bottom, rgba(245,245,245,0.7), rgba(255,255,255,0.7));
  padding: 130px 40px;
  color: var(--color-navy);
  overflow: hidden;
  margin-top: -40px;
}

.csirt-hero__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.csirt-hero__left {
  flex: 1 1 50%;
  min-width: 400px;
}

.csirt-hero__right {
  flex: 1 1 50%;
  min-width: 400px;
  text-align: center;
}

.csirt-hero__title {
  font-size: var(--fs-title);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.csirt-hero__icon {
  width: 16px;
  max-height: 48px;
}

.csirt-hero__lead {
  font-size: var(--fs-lead);
  background-color: var(--color-navy);
  color: #fff;
  display: inline-block;
  padding: 6px 12px;
  margin-bottom: 24px;
}

.csirt-hero__btn {
  display: inline-block;
  font-size: var(--fs-button);
  border: 2px solid var(--color-navy);
  color: var(--color-navy)!important;
  background: #fff;
  padding: 12px 28px;
  border-radius: 32px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  min-width: 280px;
  text-align: center;
}

.csirt-hero__btn:hover {
  background-color: var(--color-navy);
  color: #fff!important;
}

.csirt-hero__circle-text {
  background: #750005;
  background: linear-gradient(295deg,rgba(117, 0, 5, 1) 0%, rgba(223, 0, 49, 1) 100%);
  color: #fff;
  font-size: var(--fs-red-circle);
  width: 420px;
  height: 420px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 32px;
  text-align: center;
  line-height: 1.5;
  padding: 20px;
  text-wrap: balance;
}

.csirt-hero__circle-inner {
  display: block;
  /* max-width: 80%; */
}

.csirt-hero__features {
  max-width: 100%;
  height: auto;
  margin-top: -150px;
}

@media (max-width: 991px) {
  .csirt-hero {
    padding: 40px 20px;
 }
 .csirt-hero__icon {
  width: 16px;
  max-height: 24px;
}
  .csirt-hero__inner {
    flex-direction: column-reverse;
    text-align: center;
    gap: 30px;;
  }

  .csirt-hero__left,
  .csirt-hero__right {
    min-width: auto;
    width: 100%;
  }

  .csirt-hero__circle-text {
    width: 280px;
    height: 280px;
    font-size: 1.6rem;
  }

  .csirt-hero__features {
    margin-top: -120px;
  }
    .csirt-hero__title {
    display: flex;
    align-items: center;
  }

  .csirt-hero__icon {
    flex: 0 0 10%;
    max-width: 10%;
  }

  .csirt-hero__title span {
    flex: 1 1 90%;
    display: inline-block;
    word-break: break-word;
  }
}

/* .csirt-about
----------------------------------- */

.csirt-about {
  position: relative;
  background: url('/dcms_media/image/csirt-about-bg.webp') no-repeat center center / cover;
  color: #fff;
  text-align: center;
  padding: 100px 20px;
}

.csirt-about__overlay {
  position: absolute;
  inset: 0;
  background-color: #032647;
  opacity: 0.7;
  z-index: 0;
}

.csirt-about__inner {
  position: relative;
  z-index: 1;
  max-width: 960px;
  margin: 0 auto;
}

.csirt-about__lead {
  border: 2px solid #fff;
  display: inline-block;
  padding: 12px 24px;
  font-size: var(--fs-lead);
  margin-bottom: 40px;
  font-weight: bold;
  background: #ffffff14;
}

.csirt-about__title {
  font-size: var(--fs-title);
  margin-bottom: 30px;
  font-weight: bold;
}

.csirt-about__title span {
  font-size: 1.2em;
  letter-spacing: 0.05em;
}

.csirt-about__text {
  font-size: 16px;
  line-height: 2;
}

@media (max-width: 767px) {
  .csirt-about {
    padding: 60px 16px;
  }

  .csirt-about__lead {
    font-size: 16px;
    padding: 10px 16px;
    margin-bottom: 24px;
  }

  .csirt-about__title {
    font-size: 24px;
    margin-bottom: 20px;
  }

  .csirt-about__text {
    font-size: 14px;
    line-height: 1.8;
  }
}


/* .csirt-reason
----------------------------------- */
.csirt-reason {
  background-color: #032647;
  color: #fff;
  padding: 100px 20px;
  text-align: center;
  clip-path: polygon(100% 0, 100% 80%, 50% 100%, 0 80%, 0 0);
}

.csirt-reason__inner {
  max-width: 960px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.csirt-reason__title {
  font-size: 26px;
  font-weight: bold;
  position: relative;
  display: inline-block;
  padding-left: 24px;
}


.csirt-reason__text {
  font-size: 16px;
  line-height: 2;
}

.csirt-reason__text span {
  text-decoration: underline;
}

@media (max-width: 767px) {
  .csirt-reason {
    padding: 60px 16px;
    clip-path: polygon(0 0, 100% 0, 100% 98%, 0% 100%);
  }

  .csirt-reason__title {
    font-size: 20px;
  }

  .csirt-reason__text {
    font-size: 14px;
    line-height: 1.8;
  }
  .csirt-reason {
    clip-path: polygon(100% 0, 100% 90%, 50% 100%, 0 90%, 0 0)!important;
  }
}

/* .csirt-intro
----------------------------------- */
.csirt-intro {
  background: linear-gradient(0deg, rgba(214, 226, 237, 1) 0%, rgba(255, 255, 255, 1) 100%);
  padding: 80px 20px;
  text-align: center;
}

.csirt-intro__inner {
  max-width: 1000px;
  margin: 0 auto;
}

.csirt-intro__title {
  font-size: var(--fs-lead, 26px);
  font-weight: 700;
  color: var(--color-navy, #032647);
  margin-bottom: 40px;
  line-height: 1.6;
}

.csirt-intro__image img {
  width: 100%;
  max-width: 700px!important;
  height: auto;
  margin-bottom: 40px;
}

.csirt-intro__text {
  font-size: var(--fs-content, 18px);
  color: #000;
  line-height: 1.8;
}

@media (max-width: 767px) {
  .csirt-intro__image img {
    max-width: 100%!important;
  }
}


/* .csirt-cta
----------------------------------- */

.csirt-cta {
  background: url('/dcms_media/image/csirt-cta-bg.webp') no-repeat center center / cover;
  padding: 60px 20px;
  font-family: "Noto Sans JP", sans-serif;
}

.csirt-cta__inner{
  max-width: 780px;
  margin: 0 auto;
}
.csirt-title {
  display: flex;
  justify-content: center;
  font-size: 30px;
  text-wrap: nowrap;
  font-weight: bold;
  color: var(--color-navy);
}
.csirt-cta__subtitle{
  font-weight: bold;
  text-align: center;
  padding: 5px 15px;
  background: var(--color-navy);
  color: #fff;
}
.cta-button {
    display: inline-block;
    background: linear-gradient(180deg, #be0320 0%, #be0320 50%, #ad0320 50%, #ad0320 100%);
    color: #fff!important;
    padding: 12px 24px;
    border-radius: 32px;
    text-decoration: none!important;
    font-weight: bold;
    font-size: 16px;
    transition: opacity 0.3s, transform 0.2s ease;
}
.cta-button:hover {
    transform: translateY(3px);
}
.csirt-cta__btn-caption{
  font-weight: bold;
  color: var(--color-navy);
}

@media (max-width: 767px) {
  .csirt-cta h2 {
    font-size: 70%;
  }
  .csirt-cta {
  background: url('/dcms_media/image/csirt-sp-cta-bg.webp') no-repeat center center / cover;
  padding: 60px 20px;
  font-family: "Noto Sans JP", sans-serif;
}
  .csirt-cta__subtitle{
    text-align: left;
  }
}


/* .csirt-issues
----------------------------------- */

.csirt-issues{
  position:relative;
  background:url('/dcms_media/image/csirt-issues-bg.webp') no-repeat center top / cover;
  padding: 90px 20px 120px;
  color:#0b2340;
  font-family: "Noto Sans JP", sans-serif;
  overflow: hidden;
  min-height: 720px;
  background-position: center bottom;
  padding-bottom: 140px; 
  display: flex;
  align-items: anchor-center;
  font-weight: bold;
}

@media (max-width: 767px){
  .csirt-issues{
    background:
      url('/dcms_media/image/csirt-sp-issues-bg.webp') no-repeat center top / cover;
    padding: 64px 16px 96px;
  }
}

.csirt-issues__inner{
  position:relative; z-index:1;
  max-width: 1200px;
  margin: 0 auto;
}

/* 見出し */
.csirt-issues__title{
  text-align:center;
  color:#ffffff;
  font-weight:700;
  letter-spacing:.02em;
  margin: 0 0 36px;
  font-size: clamp(20px, 2.2vw, 28px);
}

/* グリッド */
.csirt-issues__grid{
  list-style:none; margin:0; padding:0;
  display:grid;
  grid-template-columns: repeat(5, minmax(0,1fr));
  gap: 24px;
}

/* カード */
.csirt-issues__item{
  background:#fff;
  border-radius:14px;
  padding: 28px 20px;
  text-align:center;
  font-size: clamp(14px, 1.2vw, 16px);
  line-height: 1.8;
  box-shadow: 0 10px 24px rgba(0,0,0,.12);
  border:1px solid rgba(3,38,71,.06);
}

.issues-tips{
  color: var(--color-navy);
  font-weight: bold;
  font-size: 150%;
  padding: 7% 0;
}

/* タブレット */
@media (max-width: 1024px){
  .csirt-issues__grid{
    grid-template-columns: repeat(3, minmax(0,1fr));
    gap: 20px;
  }
  .csirt-issues{ min-height: 640px; padding-bottom: 120px; }
}

/* スマホ */
@media (max-width: 767px){
  .csirt-issues__title{ margin-bottom: 28px; }
  .csirt-issues__grid{
    grid-template-columns: repeat(1, minmax(0,1fr));
    gap: 14px;
    max-width: 680px;
    margin: 0 auto;
  }
  .csirt-issues__item{
    padding: 20px 16px;
    line-height: 1.7;
  }
  .csirt-issues{ min-height: 560px; padding-bottom: 100px; }
  .issues-tips{
    font-size: 120%;
  }
}

/* .csirt-features
----------------------------------- */

.csirt-features {
}

.csirt-features .features-header {
  text-align: center;
  margin-bottom: 100px;
}

.features-header{
  background: var(--color-navy);
  border-radius: 60px 60px 0 0;
  color: #fff;
  padding: 50px 0;
}

.title-sub-label {
  display: inline-block;
  color: #fff;
  font-size: 18px;
  font-weight: bold;
  letter-spacing: 1px;
  padding: 10px 0 20px;
}

.features-label {
  background: #fff;
  padding:0 10px;
  color: var(--color-navy);
  font-size: 14px;
  font-weight: bold;
  margin-left: -70px;
}

.features-icon {
  width: 56px!important;
  vertical-align: middle;
  margin-right: 8px;
}

.features-header h2 {
  font-size: 26px;
  font-weight: bold;
  color: #fff;
}

.features-content {
  display: flex;
  gap: 80px;
  max-width: 1200px;
  margin: 0 auto;
}

.features-left {
  flex: 0 0 45%;
}

.features-lead {
  color: var(--color-red);
  font-weight: bold;
  font-size: 20px;
  margin-bottom: 20px;
}

.features-left p {
  line-height: 1.8;
  margin-bottom: 20px;
}

.features-left figure img {
  width: 100%;
  height: auto;
  display: block;
}

.features-right {
  flex: 0 0 50%;
  display: flex;
  flex-direction: column;
  gap: 30px;
  justify-content: space-evenly;
}

.feature-item{
  border-left: var(--color-red) solid 2px;
  padding: 15px 0 15px 30px;
}

.feature-item .num {
  color: var(--color-red);
  font-size: 58px;
  margin-right: 20px;
  font-weight: bold;
  margin-bottom: 8px;
  line-height: 0.8;
  float: left;
}

.feature-item h4 {
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 8px;
  /* color: var(--color-navy); */
}

.feature-item p {
  font-size: 14px;
  line-height: 1.6;
}

.feature-item .point {
  display: inline-block;
  background: var(--color-red);
  color: #fff;
  padding: 2px 8px;
  font-size: 14px;
  /* margin-top: 5px; */
  margin-right: 10px;
  border-radius: 50px;
  float: left;
}

.point-text {
  font-weight: bold;
  margin-top: 4px;
}

/* レスポンシブ */
@media (max-width: 1024px){
  .features-content {
    flex-direction: column;
  }
}
@media (max-width: 767px) {
  .features-content {
    flex-direction: column;
    gap: 40px;
    padding: 0 15px;
  }
  .features-left, .features-right {
    flex: 1 1 100%;
    gap: 10px;
  }
  .csirt-features .features-header {
    text-align: center;
    margin-bottom: 50px;
  }
  .features-header{
    background: var(--color-navy);
    border-radius: 40px 40px 0 0;
    color: #fff;
    padding: 20px 0;
  }
  .feature-item{
    border: none;
    padding: 15px 0;
  }
  .feature-item .num {
    font-size: 34px;
    margin-right: 15px;
    margin-bottom: 0;
    line-height: 1.2;
  }
  .feature-item h4{
    line-height: 1.4;
    font-size: 15px;
  }
  .features-label{
    margin-left: 0px;
  }
}

/* .csirt-service
----------------------------------- */
.csirt-service .features-header {
  text-align: center;
  margin-bottom: 100px;
}
.csirt-service {
  background: url('/dcms_media/image/csirt-service-bg.webp') no-repeat center center / cover;
  padding-bottom: 80px;
  border-radius: 80px 80px 0 0;
}
.csirt-service-content .right-pic,
.csirt-service-content .left-pic{
  background-size: cover;
  min-height: 100vh;
  background-position: center center;
}
.csirt-service-content.panel1 .right-pic{
  background-image: url("/dcms_media/image/csirt-phases-01plan.webp");
}
.csirt-service-content.panel2 .left-pic{
  background-image: url("/dcms_media/image/csirt-phases-01system.webp");
}
.csirt-service-content.panel3 .right-pic{
  background-image: url("/dcms_media/image/csirt-phases-02function.webp");
}
.csirt-service-content.panel4 .left-pic{
  background-image: url("/dcms_media/image/csirt-phases-02training.webp");
}

.csirt-service-content article{
  /* padding: 20px 80px; */
  font-size: 15px;
  width: 70%;
  margin: auto;
}
.csirt-service-content article p{
  margin: 10px 0 20px;
}
.csirt-service-content .phase{
  color: var(--color-navy);
  text-align: center;
  font-weight: bold;
  display: inline-block;
  padding: 5px 15px;
  margin-right: 15px;
  border-right: var(--color-navy) solid 2px;
  line-height: 1.2;
}
.csirt-service-content .phase span{
  font-size: 200%;
}
.csirt-service-content .title{
  color: var(--color-navy);
  font-weight: bold;
  display: inline;
}
article .card{
  background:#fff;
  border:1px solid #e5edf6;
  border-radius:10px;
  padding:18px 20px 10px;
  box-shadow:0 8px 24px rgba(0, 0, 0, 0.08);
}

article .card .card__title.navy{
  background:var(--color-navy);
  color:#fff;
  border-radius:6px 6px 0 0;
  padding:14px 16px;
  margin:-18px -20px 14px;
  line-height:1.5;
  font-weight:700;
  text-align: center;
  letter-spacing: 1.3px;
}

article .card .card__list{
  margin:8px 0 0 0;
  line-height:1.6;
  color:#0e2742;
  padding-left: 20px;
}
article .card .card__list li{
  margin:6px 0;
  list-style-type: disc;
}
article .arrow{
  width:0; height:0;
  border-left:10px solid transparent;
  border-right:10px solid transparent;
  border-top:14px solid var(--color-navy);
  margin:18px auto 22px;
}

article .point{
  border:2px solid var(--color-red);
  border-radius:10px;
  background:#fff;
  box-shadow:0 10px 26px  rgba(0, 0, 0, 0.08);
  padding:20px 18px;
  margin:0 0 22px;
  text-align:center;
}
article .point p{
  margin:0;
  font-weight:700;
  color:var(--color-red);
  line-height: 1.6;
  font-size: 16px;
}

article .card.accent{
  border:2px solid var(--color-red);
  box-shadow:0 10px 26px  rgba(0, 0, 0, 0.08);
}

article .card.accent .card__title.red{
  background:var(--color-red);
  color:#fff;
  border-radius:6px 6px 0 0;
  padding:12px 16px;
  margin:-18px -20px 12px;
  font-weight:700;
  text-align: center;
  letter-spacing: 1.3px;
}

article .card.accent .bullets{
  counter-reset:item;
  margin:0;
  padding:0;
  list-style:none;
}
article .card.accent .bullets li{
  position:relative;
  padding:12px 12px 12px 44px;
  line-height:1.6;
  border-top: 1px dashed #d5d5d5;
  color: var(--color-red);
  font-weight: bold;
}
article .card.accent .bullets.text-navy{
  color: var(--color-navy);
}
article .card.accent .bullets.text-navy li{
  color: var(--color-navy);
}
article .card.accent .bullets li:first-child{
  border-top:none;
}
article .card.accent .bullets li::before{
  counter-increment:item;
  content: counter(item) ".";
  position:absolute;
  left:14px;
  top:12px;
  font-weight:700;
}
.csirt-service-content.phase3{
  background: var(--color-navy);
  color: #fff;
  padding: 80px 15px;
  margin-top: 10px;
}
.csirt-service-content.phase3 h2{
  font-size: var(--fs-lead);
  margin-bottom: 30px;
}
.csirt-service-content.phase3 .outline-button{
  display: inline-block;
  border: #fff solid 2px;
  color: #fff;
  padding: 12px 24px;
  font-size: var(--fs-small);
  font-weight: bold;
  text-decoration: none;
  border-radius: 5px;
  transition: all 0.3s ease;
}
.csirt-service-content.phase3 .outline-button:hover{
  background: #fff;
  color: var(--color-navy);
  transform: translateY(3px);
}

.csirt-service-content.panel2 .col-sm-8,
.csirt-service-content.panel4 .col-sm-8{
  background: #ebf2f7;
}

/* 小さめ画面の余白微調整 */
@media (max-width: 768px){
  .csirt-service-content article{
    width: 90%;
    padding: 0px;
  }
}
@media (max-width: 600px){
    .csirt-service-content article{
    width: 100%;
    padding: 10px;
  }
  article .card{ padding:16px 16px 18px; }
  article .card .card__title.navy{ margin:-16px -16px 12px; }
  article .card.accent .card__title.red{ margin:-16px -16px 10px; }
  article .point{ padding:16px 14px; }
  article .card.accent .bullets li{ padding-left:40px; }
  article .card.accent .bullets li::before{ left:12px; }
  .csirt-service-content .right-pic,
  .csirt-service-content .left-pic{
    height: 150px;
    min-height: auto;
  }
}


/* .csirt-voice
----------------------------------- */

.csirt-voice{
  position:relative;
  padding: clamp(56px, 6vw, 96px) 0;
  background-image:
    url('/dcms_media/image/csirt-voice-bg.webp');
  background-repeat: no-repeat, no-repeat;
  background-color: #dde9f2;
  background-position: left center, center;
  background-size: cover;
  overflow: hidden;
}

.csirt-voice__eyebrow{
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  letter-spacing:.06em;
  color: var(--color-navy);
  line-height: 1;
}
.csirt-voice__title{
  font-size: clamp(16px, 2.2vw, 28px);
  font-weight: 700;
  color: var(--color-navy);
  letter-spacing:.08em;
}
.csirt-voice .row.g-4 > [class*="col-"],
.csirt-voice .row.g-lg-5 > [class*="col-"]{
  display: flex;
}
.voice-card{
  position: relative;
  background:#fff;
  border:1px solid rgba(3,38,71,.08);
  box-shadow:0 12px 30px rgba(0,0,0,.08);
  border-radius:10px;
  padding:24px 24px 24px 72px;
  line-height: 1.6;
  align-items: center;
  display: flex;
}

.voice-card__icon{
  position:absolute;
  left:18px; top:50%;
  transform: translateY(-50%);
  width:44px; height:44px;
  border-radius:50%;
  background:#eef5fb;
  display:grid; place-items:center;
  box-shadow:0 4px 10px rgba(0,0,0,.06) inset;
}
.voice-card__icon img{ width:26px; height:26px; }

.voice-card .em{ color: var(--color-red); font-weight: 700; }

.voice-card::after{
  content:"";
  position:absolute;
  top:50%;
  border:10px solid transparent;
  transform: translateY(-50%);
}

@media (max-width: 1024px){
  .csirt-voice{
    background-size: 100% auto, cover;
    background-position: top center, center;
    padding-top: clamp(200px, 26vw, 320px);
  }
  .voice-card{
    padding:20px 20px 20px 68px;
    border-radius:10px;
  }
}


/* .csirt-contact
----------------------------------- */
.csirt-contact{
  background: var(--color-navy);
  background-image:
    url('/dcms_media/image/csirt-contact-bg.webp');
  color: #fff;
  padding: 0;
}
.csirt-contact .left{
  background: var(--color-navy);
  padding: 80px 0;
}
.csirt-contact .left .en{
  font-size: var(--fs-title);
  letter-spacing: 2px;
  line-height: 1.6;
}
.csirt-contact .right{
  padding: 80px 40px;
}
.csirt-contact .csirt-title {
  border-bottom: solid 1px #fff;
  padding-bottom: 10px;
  margin-bottom: 20px;
}
.csirt-contact .csirt-title img{
  width: 30px !important;
  margin-right: 10px !important;
  margin-bottom: 10px !important;
  margin-left: 0 !important;
}
.csirt-contact .csirt-cta__title{
  font-size: var(--fs-lead);
  color: #fff;
}
@media (max-width: 768px){
  .csirt-contact .left{
    padding: 60px 0;
  }
  .csirt-contact .right {
      padding: 60px 20px;
      text-align: center;
  }
  .csirt-contact .cta-button{
    margin: 20px auto;
  }
}