@charset "utf-8";
/* 
html5doctor.com Reset Stylesheet
v1.6.1
*/
#topicPath {
  top: 60px;
  position: relative;
}
#topicPath ol.breadcrumb {
  display: flex;
  height: 20px;
  background-color: rgba(255, 255, 255, .9);
  z-index: 1;
  position: relative;
  margin: 0 auto;
  color: #282828;
  max-width: 1200px;
  list-style: none;
  padding: 3px 10px;
  font-size: 0.86em;
  line-height: 1.2;
}
#topicPath ol.breadcrumb li::after {
  color: #000000;
  content: "»";
  display: inline-block;
  margin: 0 0.6em;
}
#topicPath ol.breadcrumb li:last-of-type::after {
  display: none;
}
#topicPath ol.breadcrumb a {
  color: #00798f !important;
}
@media screen and (max-width: 680px) {
  #topicPath {
    display: none;
  }
}
.hero-section {
  width: 100%;
  min-height: 500px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background-color: #000;
  background-image: linear-gradient(90deg, #3f3f3f 20%, rgb(28 77 70 / 40%) 55%, rgba(0, 43, 85, 0) 100%), url(img/notes_payable_img01.jpg);
  background-repeat: no-repeat;
  background-position: right center;
  background-size: cover;
}
.hero-container {
  max-width: 1600px;
  margin: 0 auto;
  width: 100%;
  padding: 0 5%;
  position: relative;
  z-index: 2; /* 文字を前面に */
}
.hero-content {
  max-width: 850px; /* 文字が画像に少し被るくらいの幅 */
  color: #ffffff;
}
.hero-badge {
  display: inline-block;
  padding: 12px 16px;
  border-radius: 4px;
  font-size: 1.5rem;
  letter-spacing: 0.05em;
  color: #000;
  font-weight: bold;
  background: rgb(183 238 255 / 75%);
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3rem); /* 画面幅に合わせてサイズ自動調整 */
  line-height: 1.3;
  font-weight: 700;
  margin-bottom: 25px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3); /* 文字を浮き立たせる */
}
.hero-description {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 40px;
  opacity: 0.95;
}
.hero-features {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
}
.hero-feature-item {
  display: flex;
  align-items: center;
  font-weight: 600;
  font-size: 1rem;
}
#main_visual h1 {
  text-align: left;
  padding: 0;
  font-size: calc(3rem);
  line-height: 1.4;
  color: #fff;
  letter-spacing: 0.05em;
  text-shadow: none;
}
#main_visual p {
  margin: 0 auto;
  font-size: 1.3em;
  padding: 0px;
}
.overview-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
.overview-list {
  font-size: 0.8em;
}
.midasi-bold {
  font-size: 1.4em;
  font-weight: bold;
  margin-bottom: 10px;
  border-bottom: 2px solid #3e7ebb;
}
.supplement {
  display: block;
  margin: 0 auto;
  width: 92%;
  border: 1px solid;
  padding: 1% 3%;
  color: #fff;
  background-color: #002B55;
}
.bass {
  margin-bottom: 30px;
}
.specific-example_ul {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}
.specific-example_li {
  width: 96%;
  list-style: none;
  padding: 1.3%;
  margin: 1%;
  border: 1px solid #ccc;
  line-height: 1.6em;
  margin-bottom: 40px;
  border-radius: 10px;
}
.specific-example_img {
  margin: 15px 0px;
}
.mizuiro {
  display: block;
  color: #000;
  background: rgb(183 238 255 / 90%);
  padding: 2px;
  text-align: center;
  width: 80%;
  margin: 0 auto;
  border-radius: 20px;
}
.btn-basic {
  display: block;
  padding: 16px 48px;
  background-color: #007bff; /* ボタンの背景色（青） */
  color: #fff; /* 文字色（白） */
  font-size: 24px;
  font-weight: bold;
  text-align: center;
  text-decoration: none;
  border: none;
  margin: 0 auto;
  border-radius: 4px; /* 角の丸み */
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); /* 影 */
  cursor: pointer; /* カーソルを指マークに */
  transition: all 0.2s ease; /* ホバー時の変化を滑らかに */
}
/* マウスカーソルが乗ったときの動き */
.btn-basic:hover {
  background-color: #0056b3; /* 背景色を少し濃くする */
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2); /* 影を小さくして押し込んだ感を出す */
  transform: translateY(2px); /* 少し下に動かす */
}
.btn-link {
  text-decoration: none;
}
.back {
  display: block;
  background-color: #002B55;
  padding-bottom: 120px;
  color: #fff;
}
.specific-example_number {
  display: block;
  background-color: #333;
  color: #fff;
  text-align: center;
  font-size: 1.2em;
  padding: 2px;
  border-radius: 20px;
  font-weight: bold;
  width: 70%;
  margin: 0 auto;
}
@media screen and (max-width: 680px) {
  .hero-badge {
    display: inline-block;
    padding: 12px 16px;
    border-radius: 4px;
    font-size: 1.6rem;
    letter-spacing: 0.05em;
    margin: 30px 0;
    color: #000;
    font-weight: bold;
    background: rgb(183 238 255 / 75%);
  }
  #main_visual p {
    margin: 0 auto 30px;
    font-size: 1.3em;
    padding: 0px;
  }
  .supplement {
    display: block;
    margin: 0 auto;
    width: 100%;
    border: 0px solid;
    padding: 1% 3%;
    color: #fff;
    background-color: #002B55;
  }
  .mizuiro {
    display: block;
    color: #000;
    background: rgb(183 238 255 / 90%);
    padding: 2px;
    text-align: center;
    width: 100%;
    margin: 0 auto;
    border-radius: 20px;
  }
  .specific-example_number {
    display: block;
    background-color: #333;
    color: #fff;
    text-align: center;
    font-size: 0.9em;
    padding: 10px;
    border-radius: 20px;
    font-weight: bold;
    width: 92%;
    margin: 10px auto 0;
  }
  .specific-example_li {
    width: 100%;
    list-style: none;
    padding: 2%;
    margin: 1%;
    border: 1px solid;
    line-height: 1.6em;
    margin-bottom: 30px;
  }
}
.cre {
  display: inline-block;
  font-size: 0.7em;
}
.img_size {
  display: block;
  width: 80%;
  margin: 0 auto 30px;
}
.notes_payable_ul {
  list-style-position: inside;
  border: 4px double #b7d4dd;
  padding: 30px 30px 0;
  background-color: aliceblue;
}
.notes_payable_li {
  font-size: 1.3em;
  font-weight: bold;
  line-height: 1.3em;
}
.notes_payable_li p {
  font-size: 0.9em;
}
h2 {
  color: #003e7b;
  font-size: calc(1.6rem + 1vw);
  text-align: center;
  padding: 0px 10px 20px;
}
.blue2 {
  display: block;
  background-color: #284d5f;
  padding-bottom: 60px;
}
.keyword_ul {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
}
.keyword_li {
  margin: 6px 4px;
  padding: 10px 20px;
  font-size: 1.4em;
  font-weight: bold;
  letter-spacing: 2px;
  background-color: #0594CF;
  border-radius: 20px;
}
figure img {
  width: 100%;
  vertical-align: bottom;
  border-radius: 10px;
}
.creyendo_button {
  display: block;
  text-align: center;
  color: #fff;
  margin: 0 auto;
  padding: 24px;
  width: 50%;
  font-size: 1.5em;
  font-weight: bold;
  background-color: #30ABDD;
  text-decoration: none;
  border-radius: 5px;
  box-shadow: 0px 10px 10px -6px rgba(0, 0, 0, 0.3);
}
.creyendo_button:hover {
  background-color: #43B7E7;
}
.important {
  display: inline-block;
  background-color: #e32020;
  padding: 4px 10px;
  margin: 4px 10px;
  color: #fff;
  letter-spacing: 4px;
  font-size: 0.8em;
}
@media screen and (max-width: 680px) {
  #main_visual h1 {
    text-align: left;
    padding: 0;
    margin-top: 30px;
    font-size: calc(2.2rem + .3vw);
    line-height: 1.4;
    color: #ffffff;
    text-shadow: 1px 1px 10px rgb(0 0 0), 1px 1px 10px rgb(0 0 0), 1px 1px 10px rgb(0 0 0), 1px 1px 10px rgb(0 0 0);
    letter-spacing: 0.05em;
  }
  .keyword_ul {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    margin-bottom: 30px;
  }
  .img_size {
    display: block;
    width: 100%;
    margin: 0 auto 30px;
  }
  h2 {
    color: #003e7b;
    font-size: calc(1.6rem + 1vw);
    text-align: center;
    padding: 40px 10px 40px;
  }
  .creyendo_button {
    display: block;
    text-align: center;
    color: #fff;
    margin: 0 auto;
    padding: 24px;
    width: 100%;
    font-size: 1.5em;
    font-weight: bold;
    background-color: #30ABDD;
    text-decoration: none;
    border-radius: 5px;
    line-height: 1.3;
    box-shadow: 0px 10px 10px -6px rgba(0, 0, 0, 0.3);
  }
}
h3 {
  font-size: calc(1rem + .8vw);
  margin: 0;
  border-left: 6px solid #c81d1d;
  padding-left: 0.75em;
}
< !--=================================================================-- > < !-- CSS PART (ここから下のスタイルを「style.css」に切り出せます) -- > < !--=================================================================-- > /* ブランドカラー */
--govnavy: #1e293b;
--govblue: #1d4ed8;
--govlight: #f8fafc;
--govaccent: #0f766e;
--govamber: #d97706;
/* テキストカラー */
--text-dark: #0f172a;
--text-main: #1e293b;
--text-muted: #475569;
--text-light: #64748b;
/* 背景・ボーダー */
--bg-light: #f8fafc;
--bg-white: #ffffff;
--border-color: #e2e8f0;
/* アラート・バッジ用 */
--color-emerald-light: #ecfdf5;
--color-emerald-border: #a7f3d0;
--color-emerald-dark: #064e3b;
--color-emerald-main: #059669;
--color-amber-light: #fef3c7;
--color-amber-border: #fde68a;
--color-amber-dark: #78350f;
--color-amber-main: #d97706;
--color-blue-light: #eff6ff;
--color-blue-border: #bfdbfe;
--color-blue-main: #2563eb;
}
/* 基本設定のリセット */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: var(--font-main);
  color: var(--text-main);
  background-color: var(--bg-white);
  line-height: 1.6;
  overflow-x: hidden;
  word-break: break-word;
  -webkit-font-smoothing: antialiased;
}
/* 共通レイアウトコンポーネント */
.container {
  max-width: 1152px; /* max-w-6xl */
  margin: 0 auto;
  padding: 1.2rem 1.5rem;
}
.section-title-wrapper {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 4rem auto;
}
.section-tag {
  font-size: 0.875rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--govblue);
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.75rem;
}
.section-title {
  font-size: 2.5rem !important;
  font-weight: 800;
  color: var(--text-dark);
  letter-spacing: 0.1em;
}
@media (min-width: 640px) {
  .section-title {
    font-size: 2rem;
  }
}
.section-divider {
  height: 4px;
  width: 80px;
  background-color: #ff7b7b;
  margin: 0 auto 1.5rem auto;
  border-radius: 9999px;
}
.section-subtitle {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--text-muted);
}
/* アニメーションとホバー効果 */
.hover-card {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.hover-card:hover {
  transform: translateY(-4px);
  box-shadow: rgba(0, 0, 0, 0.1) 0px 4px 12px;
}
/* ================================================================= */
/* HERO SECTION */
/* ================================================================= */
.hero-section {
  position: relative;
  background: linear-gradient(to bottom, #1A477C, #2E62A0);
  padding: 4rem 0 5rem 0;
  border-bottom: 1px solid #000;
}
@media (min-width: 768px) {
  .hero-section {
    padding: 6rem 0;
  }
}
/* 背景のドット装飾 */
.hero-bg-dots {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.4;
  background-image: radial-gradient(#cbd5e1 1px, transparent 1px);
  background-size: 24px 24px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 10;
}
@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }
}
.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
@media (min-width: 1024px) {
  .hero-content {
    grid-column: span 7 / span 7;
  }
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  align-self: flex-start;
  padding: 0.375rem 0.875rem;
  border-radius: 9999px;
  font-size: 1.3rem;
  font-weight: 700;
  background-color: #000;
  color: #fff;
}
.hero-badge-dot {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background-color: #ff5722;
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: .5;
  }
}
.hero-title {
  font-size: 1.875rem;
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.025em;
  color: var(--text-dark);
}
@media (min-width: 640px) {
  .hero-title {
    font-size: 2.5rem;
  }
}
@media (min-width: 1024px) {
  .hero-title {
    font-size: 2.6rem;
  }
}
.hero-title .highlight-amber {
  color: var(--govamber);
}
.hero-title .highlight-emerald {
  color: var(--govaccent);
}
.hero-alert {
  padding: 1rem;
  background-color: rgb(252 103 28 / 90%);
  border: 1px solid var(--color-emerald-border);
  border-radius: 0.75rem;
}
.hero-alert-inner {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-emerald-dark);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
@media (max-width: 640px) {
  .hero-alert-inner {
    font-size: 0.875rem;
  }
}
.hero-alert-inner i {
  color: #fff;
  font-size: 2.3rem;
  margin-right: 10px;
}
.hero-desc {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.75;
}
@media (min-width: 640px) {
  .hero-desc {
    font-size: 1rem;
  }
}
.study {
  width: 3.8rem;
  height: 3.8rem;
  flex-shrink: 0;
  margin-top: 0.125rem;
  /* ▼ ここを修正・追加します */
  background-image: url('../img/study_80.png'); /* 画像の場所を指定 */
  background-size: cover; /* 枠に合わせて画像をフィットさせる */
  background-position: center; /* 中央に配置 */
  background-repeat: no-repeat;
}
/* ビジュアルモックアップ（チャット風UI） */
.hero-visual {
  display: flex;
  justify-content: center;
}
@media (min-width: 1024px) {
  .hero-visual {
    grid-column: span 5 / span 5;
  }
}
.chat-mockup {
  width: 100%;
  max-width: 24rem;
  background-color: #9aadd9;
  border-radius: 1rem;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  border: 1px solid var(--border-color);
  overflow: hidden;
}
.chat-header {
  background-color: #000;
  color: var(--bg-white);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.chat-avatar-gov {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background-color: var(--color-emerald-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.75rem;
}
.chat-header-title {
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-left: 6px solid rgb(255 123 123);
  color: #fff;
}
.chat-header-status {
  font-size: 0.625rem;
  color: #00FFFB !important;
  font-weight: 500;
}
.chat-body {
  padding: 1.25rem;
  background-color: #ececec;
  font-size: 0.75rem;
  height: 34rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
@media (min-width: 640px) {
  .chat-body {
    font-size: 0.875rem;
  }
}
.chat-bubble-user {
  align-self: flex-end;
  background-color: #2563eb;
  color: #fff;
  border-radius: 1rem 1rem 0 1rem;
  padding: 0.625rem 1rem;
  max-width: 85%;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}
.chat-msg-ai-wrapper {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
}
.chat-avatar-ai {
  width: 3.8rem;
  height: 3.8rem;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 0.125rem;
  /* ▼ ここを修正・追加します */
  background-color: #ff7b7b; /* 画像が読み込めない時のフォールバック（背景色） */
  background-image: url('../img/woman_80.png'); /* 画像の場所を指定 */
  background-size: cover; /* 枠に合わせて画像をフィットさせる */
  background-position: center; /* 中央に配置 */
  background-repeat: no-repeat;
}
.chat-bubble-ai {
  background-color: #fff;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-radius: 0rem 1rem 1rem 1rem;
  padding: 0.625rem 1rem;
  max-width: 85%;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.chat-ai-header {
  font-weight: 700;
  color: var(--govaccent);
  font-size: 11px;
}
@media (min-width: 640px) {
  .chat-ai-header {
    font-size: 0.75rem;
  }
}
.chat-ai-text {
  color: var(--text-muted);
  line-height: 1.625;
  font-size: 11px;
}
@media (min-width: 640px) {
  .chat-ai-text {
    font-size: 0.75rem;
  }
}
.chat-ai-source {
  border-top: 1px solid var(--border-color);
  padding-top: 0.5rem;
  display: flex;
}
.chat-source-tag {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  background-color: var(--bg-light);
  font-size: 0.625rem;
  color: var(--text-light);
  border-radius: 0.25rem;
}
.chat-footer {
  padding: 0.75rem;
  background-color: #fff;
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.chat-input-placeholder {
  background-color: #EBEBEB;
  border-radius: 0.5rem;
  flex-grow: 1;
  padding: 0.5rem 0.75rem;
  font-size: 0.75rem;
  color: #94a3b8;
}
.chat-send-btn {
  width: 2rem;
  height: 2rem;
  border-radius: 0.5rem;
  background-color: #4B4B4B;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
}
#main_visual p {
  margin: 0 auto;
  color: #000;
  text-shadow: none;
  font-family: 'BIZ UDPGothic', "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", Meiryo, "メイリオ", "ＭＳ Ｐゴシック", sans-serif !important;
  font-size: 1.1em;
  padding: 0 30px;
}
/* ================================================================= */
/* CHALLENGES SECTION */
/* ================================================================= */
.challenges-section {
  background-color: #f1f7ff;
}
@media (min-width: 768px) {
  .challenges-section {
    padding: 6rem 0;
  }
}
.challenges-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 768px) {
  .challenges-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 1024px) {
  .challenges-grid {
    gap: 2.5rem;
  }
}
.challenge-card {
	background-image: url("../img/staff.png");
  background-color: #fff;
	border: 1px solid #d4e1ea;
  border-radius: 1rem;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
@media (min-width: 640px) {
  .challenge-card {
    padding: 2rem;
  }
}
.challenge-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.challenge-number {
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  background-color: #1e4c83;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.6rem;
  flex-shrink: 0;
  margin-top: 0.125rem;
}
.challenge-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.35;
  border-left: none;
  padding-left: 0;
}
@media (min-width: 640px) {
  .challenge-title {
    font-size: 1.25rem;
  }
}
.challenge-quote {
  background-color: #fff3e9 !important;
  border-left: 4px solid #ff7b7b;
  border-radius: 0 0.5rem 0.5rem 0;
  padding: 0.75rem 1rem;
  margin-bottom: 1.25rem;
}
.challenge-quote-text {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-amber-dark);
  font-style: italic;
}
.challenge-details {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}
.challenge-details-title {
  font-size: 0.75rem;
  font-weight: 900;
  color: #2563eb;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.challenge-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.challenge-item {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.5;
}
.challenge-item i {
  color: var(--color-amber-main);
  margin-top: 0.25rem;
  flex-shrink: 0;
}
/* ================================================================= */
/* CHALLENGES SECTION */
/* ================================================================= */
.chatbot-section {
  background-color: #2e62a0;
}
@media (min-width: 768px) {
  .chatbot-section {
    padding: 6rem 0;
  }
}
/* ================================================================= */
/* SECURITY SECTION */
/* ================================================================= */
.security-section {
  padding: 4rem 0;
  background-color: #f1f7ff;
  border-top: 1px solid var(--border-color);
}
@media (min-width: 768px) {
  .security-section {
    padding: 6rem 0;
  }
}
.security-intro-box {
  max-width: 100%;
  margin: 0 auto 3rem auto;
  background-color: #fff;
  border-radius: 1rem;
  border: 1px solid rgba(226, 232, 240, 0.8);
  padding: 1.5rem;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
}
@media (min-width: 640px) {
  .security-intro-box {
    padding: 2.5rem;
  }
}
.security-intro-text {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.75;
  text-align: center;
}
@media (min-width: 640px) {
  .security-intro-text {
    font-size: 1rem;
    text-align: left;
  }
}
.security-intro-text + .security-intro-text {
  margin-top: 1rem;
}
.security-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 100%;
  margin: 0 auto;
}
@media (min-width: 768px) {
  .security-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.security-card {
  background-color: #fff;
  border-radius: 0.75rem;
  border-top: 4px solid var(--govblue);
  border-left: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 1.5rem;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
@media (min-width: 640px) {
  .security-card {
    padding: 2rem;
  }
}
.security-card.accent-emerald {
  border-top-color: var(--govaccent);
}
.security-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
  background-color: #1e4c83;
  padding: 2%;
}
.security-icon-wrapper {
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  background-color: #fff;
  color: var(--color-blue-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
  border: 1px solid var(--color-blue-border);
}
.accent-emerald .security-icon-wrapper {
  background-color: #fff;
  color: var(--color-emerald-dark);
  border: 1px solid var(--color-emerald-border);
}
.security-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.025em;
  line-height: 1.4;
  border-left: none;
  padding-left: 0;
}
@media (min-width: 640px) {
  .security-card-title {
    font-size: 1.125rem;
  }
}
.security-card-desc {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.625;
}
.security-footer-alert {
  max-width: 100%;
  margin: 3rem auto 0 auto;
  text-align: center;
  background-color: #008B8B;
  border-radius: 0.75rem;
  padding: 1rem 1.5rem;
}
.security-footer-alert-inner {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-emerald-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
@media (min-width: 640px) {
  .security-footer-alert-inner {
    font-size: 0.875rem;
  }
}
.security-footer-alert-inner i {
  color: #fff;
  font-size: 2rem;
}
.inquiry-button {
  display: block;
  box-sizing: border-box; /* 1. 横幅の計算を狂わせないお守り */
  color: #fff;
  font-weight: 700;
  margin: 0 auto;
  text-align: center;
  
  /* 2. 横幅の最適化（スマホでは広く、PCでは広がりすぎないように） */
  width: 94%; 
  max-width: 700px; 
  
  /* 3. 余白は％ではなく「固定値（pxやrem）」にするのが崩れないコツ */
  padding: 16px 24px; 
  
  /* 4. 文字サイズもスマホに合わせて最適化（画面幅に応じて自動調整されるように） */
  font-size: clamp(1.1rem, 4vw, 1.4rem); 
  
  border-radius: 100px;
  background: linear-gradient(135deg, #FF3B30 0%, #E60012 100%);
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease-out, box-shadow 0.3s ease-out, background-image 0.3s ease-out;
}
.inquiry-button:hover {
  cursor: pointer;
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.2)),
    linear-gradient(135deg, #FF3B30 0%, #E60012 100%);
}

#footer {
  background-color: #fff;
}