/* Base */
{
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: "Helvetica Neue", Arial, sans-serif;
  color: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  background: linear-gradient(
    to bottom,
    #0FE6E6,
    #2EC5ED,
    #338AE8
  );
}

/* Container */
.container {
  width: 90%;
  max-width: 900px;
}

/* Text */
h1 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 20px;
}
p {
  font-size: 1rem;
  opacity: 0.9;
  line-height: 1.5em;
  margin-bottom: 30px;
}

/* Buttons */
.btn {
  display: inline-block;
  background: rgba(255, 255, 255, 0.3);
  padding: 15px 40px;
  border-radius: 12px;
  font-size: 1.1rem;
  color: #ffffff;
  text-decoration: none;
  backdrop-filter: blur(4px);
  transition: 0.2s;
  border: none;
  cursor: pointer;
}
.btn:hover {
  background: rgba(255, 255, 255, 0.45);
}

/* Small Link List (Portal用) */
.links a {
  display: block;
  margin: 12px 0;
}


/* ===========================
Base
=========================== */

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{

    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;

    background:#f6f8fb;

    color:#222;

    line-height:1.8;

}

.container{

    width:90%;

    max-width:1100px;

    margin:0 auto;

    padding:80px 0;

}

/* ===========================
Hero
=========================== */

.hero{

    text-align:center;

    margin-bottom:90px;

}

.hero h1{

    font-size:3rem;

    font-weight:700;

    margin-bottom:30px;

}

.lead{

    font-size:1.35rem;

    max-width:760px;

    margin:0 auto 30px;

    color:#444;

}

.description{

    max-width:760px;

    margin:0 auto;

    color:#666;

}

/* ===========================
Summary
=========================== */

.summary{

    display:grid;

    grid-template-columns:repeat(3,1fr);

    gap:30px;

}

.summary-item{

    background:#fff;

    border-radius:18px;

    padding:40px 30px;

    text-align:center;

    box-shadow:0 12px 30px rgba(0,0,0,.08);

    transition:.3s;

}

.summary-item:hover{

    transform:translateY(-6px);

    box-shadow:0 20px 40px rgba(0,0,0,.12);

}

.summary-item h2{

    font-size:1.5rem;

    margin-bottom:15px;

    color:#1565c0;

}

.summary-item p{

    color:#666;

}

@media(max-width:768px){

.summary{

grid-template-columns:1fr;

}

.hero h1{

font-size:2.3rem;

}

.lead{

font-size:1.1rem;

}

}

/* ==========================
Section
========================== */

.section{

    margin:120px 0;

}

.section h2{

    font-size:2rem;

    margin-bottom:30px;

    text-align:center;

    font-weight:600;

}

.section-text{

    max-width:760px;

    margin:0 auto 60px;

    text-align:center;

    color:#666;

    font-size:1.1rem;

}

/* ==========================
Point List
========================== */

.point-list{

    display:grid;

    grid-template-columns:repeat(3,1fr);

    gap:30px;

}

.point{

    background:#fff;

    border-radius:18px;

    padding:35px;

    box-shadow:0 10px 25px rgba(0,0,0,.08);

    transition:.3s;

}

.point:hover{

    transform:translateY(-5px);

}

.point h3{

    font-size:1.3rem;

    margin-bottom:15px;

    color:#1565c0;

}

.point p{

    color:#666;

    line-height:1.8;

}

@media(max-width:768px){

.point-list{

grid-template-columns:1fr;

}

}

/*==========================
Architecture
==========================*/

.architecture{

    margin-top:70px;

    display:flex;

    flex-direction:column;

    align-items:center;

}

.branch{

    display:flex;

    justify-content:center;

    gap:80px;

    align-items:flex-start;

    flex-wrap:wrap;

}

.column{

    display:flex;

    flex-direction:column;

    align-items:center;

}

.box{

    width:240px;

    background:#fff;

    border-radius:16px;

    padding:24px;

    text-align:center;

    box-shadow:0 12px 25px rgba(0,0,0,.08);

}

.box h3{

    font-size:1.2rem;

    margin-bottom:8px;

    color:#222;

}

.box p{

    color:#666;

}

.line{

    width:2px;

    height:35px;

    background:#d8d8d8;

}

.aws{

    border-top:4px solid #FF9900;

}

.cloudflare{

    border-top:4px solid #F38020;

}

.gcp{

    border-top:4px solid #4285F4;

}

@media(max-width:900px){

.branch{

flex-direction:column;

gap:60px;

}

}

/*==========================
AI Agent
==========================*/

.flow{

    max-width:500px;

    margin:60px auto;

}

.flow-box{

    background:#fff;

    border-radius:16px;

    padding:24px;

    box-shadow:0 10px 20px rgba(0,0,0,.08);

}

.flow-box h3{

    margin-bottom:10px;

    color:#1565c0;

}

.flow-box p{

    color:#666;

}

.flow-arrow{

    text-align:center;

    font-size:28px;

    color:#999;

    margin:18px 0;

}

.info-grid{

    display:grid;

    grid-template-columns:repeat(2,1fr);

    gap:30px;

    margin-top:70px;

}

.info-card{

    background:#fff;

    border-radius:18px;

    padding:35px;

    box-shadow:0 12px 25px rgba(0,0,0,.08);

}

.info-card h3{

    margin-bottom:15px;

    color:#1565c0;

}

.info-card p{

    color:#666;

    line-height:1.8;

}

@media(max-width:768px){

.info-grid{

grid-template-columns:1fr;

}

}

/*==========================
Learning
==========================*/

.learning-grid{

    display:grid;

    grid-template-columns:repeat(2,1fr);

    gap:40px;

    margin-top:60px;

}

.learning-box{

    background:#fff;

    border-radius:18px;

    padding:35px;

    box-shadow:0 12px 30px rgba(0,0,0,.08);

}

.learning-box h3{

    margin-bottom:25px;

    color:#1565c0;

}

.learning-box table{

    width:100%;

    border-collapse:collapse;

}

.learning-box th{

    width:35%;

    text-align:left;

    padding:14px 0;

    border-bottom:1px solid #ececec;

    color:#333;

    font-weight:600;

}

.learning-box td{

    padding:14px 0;

    border-bottom:1px solid #ececec;

    color:#666;

}

.learning-box tr:last-child th,
.learning-box tr:last-child td{

    border-bottom:none;

}

@media(max-width:900px){

.learning-grid{

grid-template-columns:1fr;

}

}

/*==========================
Repository
==========================*/

.repo-grid{

    display:grid;

    grid-template-columns:repeat(2,1fr);

    gap:40px;

    margin-top:60px;

}

.repo-box{

    background:#fff;

    border-radius:18px;

    padding:35px;

    box-shadow:0 12px 30px rgba(0,0,0,.08);

}

.repo-box h3{

    margin-bottom:25px;

    color:#1565c0;

}

.repo-box pre{

    background:#f8f9fb;

    border:1px solid #e6e6e6;

    border-radius:12px;

    padding:20px;

    overflow:auto;

    color:#444;

    font-size:14px;

    line-height:1.8;

}

.repo-box p{

    margin-top:25px;

    color:#666;

}

@media(max-width:900px){

.repo-grid{

grid-template-columns:1fr;

}

}

/*==========================
Technology
==========================*/

.tech-table{

    margin-top:50px;

}

.tech-table table{

    width:100%;

    background:#fff;

    border-radius:18px;

    overflow:hidden;

    border-collapse:collapse;

    box-shadow:0 12px 30px rgba(0,0,0,.08);

}

.tech-table th{

    background:#1565c0;

    color:#fff;

    padding:18px;

    text-align:left;

    font-weight:600;

}

.tech-table td{

    padding:18px;

    border-bottom:1px solid #ececec;

    color:#555;

}

.tech-table tr:last-child td{

    border-bottom:none;

}

.tech-table tr:hover{

    background:#f7fbff;

}

/*==========================
Learning Result
==========================*/

.learning-result{

    display:grid;

    grid-template-columns:repeat(2,1fr);

    gap:35px;

    margin-top:60px;

}

.result-item{

    background:#fff;

    border-radius:18px;

    padding:35px;

    box-shadow:0 12px 30px rgba(0,0,0,.08);

    transition:.3s;

}

.result-item:hover{

    transform:translateY(-5px);

    box-shadow:0 18px 35px rgba(0,0,0,.12);

}

.result-item h3{

    color:#1565c0;

    margin-bottom:18px;

    font-size:1.3rem;

}

.result-item p{

    color:#666;

    line-height:1.8;

}

@media(max-width:900px){

.learning-result{

grid-template-columns:1fr;

}

}

/*==========================
Summary
==========================*/

.summary-box{

    margin:50px auto;

    max-width:900px;

    background:#fff;

    border-radius:18px;

    overflow:hidden;

    box-shadow:0 12px 30px rgba(0,0,0,.08);

}

.summary-box table{

    width:100%;

    border-collapse:collapse;

}

.summary-box th{

    width:25%;

    background:#1565c0;

    color:#fff;

    padding:18px;

    text-align:left;

    font-weight:600;

}

.summary-box td{

    padding:18px;

    border-bottom:1px solid #ececec;

    color:#555;

}

.summary-box tr:last-child td{

    border-bottom:none;

}

.closing{

    max-width:760px;

    margin:50px auto 0;

    text-align:center;

    color:#666;

    line-height:2;

}