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2288 lines (2008 loc) · 68.6 KB
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<!doctype html>
<html lang="ja">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="Kilo の main() とイベントループを、コード・構造図・設計意図から読み解く自己完結型教材。">
<meta name="robots" content="index, follow">
<meta property="og:type" content="article">
<meta property="og:site_name" content="Programming Deep Reading">
<meta property="og:title" content="Kilo Deep Reading #01 — main() とイベントループ">
<meta property="og:description" content="22行の main() から、Kiloのイベントループと設計の意味を読み解きます。">
<meta property="og:url" content="https://nob-git-dev.github.io/learning-programming/kilo-deep-reading-01.html">
<title>Kilo Deep Reading #01 — main() とイベントループ</title>
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border-radius: var(--radius);
background: var(--panel);
box-shadow: var(--shadow);
}
.map-row {
display: flex;
gap: 12px;
align-items: stretch;
justify-content: center;
}
.map-node {
display: grid;
min-width: 118px;
min-height: 94px;
padding: 15px;
place-content: center;
border: 1px solid var(--line-dark);
border-radius: 14px;
color: var(--forest);
background: var(--paper);
text-align: center;
}
.map-node small {
display: block;
margin-bottom: 4px;
color: var(--ink-soft);
font-family: var(--mono);
font-size: 0.61rem;
font-weight: 700;
letter-spacing: 0.06em;
text-transform: uppercase;
}
.map-node strong {
font-size: 0.87rem;
line-height: 1.4;
}
.map-arrow {
display: grid;
flex: 0 0 22px;
place-items: center;
color: var(--coral);
font-family: var(--mono);
font-size: 1.2rem;
font-weight: 900;
}
.map-loop {
position: relative;
display: grid;
grid-template-columns: 1fr auto 1fr;
gap: 10px;
align-items: center;
min-width: 255px;
padding: 22px 18px 30px;
border: 2px solid var(--forest);
border-radius: 17px;
background: var(--mint);
}
.map-loop::after {
position: absolute;
right: 20px;
bottom: 6px;
left: 20px;
color: var(--forest-2);
content: "↖────────── repeat ──────────↙";
font-family: var(--mono);
font-size: 0.62rem;
font-weight: 800;
letter-spacing: -0.04em;
text-align: center;
}
.map-caption {
display: flex;
gap: 12px;
align-items: flex-start;
margin: 22px 0 0;
padding-top: 20px;
border-top: 1px dashed var(--line);
color: var(--ink-soft);
font-size: 0.83rem;
line-height: 1.7;
}
.map-caption-mark {
flex: 0 0 auto;
display: grid;
width: 25px;
height: 25px;
place-items: center;
border-radius: 50%;
color: var(--forest);
background: var(--lime);
font-family: var(--mono);
font-size: 0.7rem;
font-weight: 900;
}
.concept-banner {
display: grid;
grid-template-columns: 145px 1fr;
gap: 24px;
align-items: center;
margin-top: 24px;
padding: 24px;
border-radius: var(--radius-sm);
color: #eff9f1;
background: var(--forest);
}
.concept-name {
color: var(--lime);
font-family: var(--mono);
font-size: 0.77rem;
font-weight: 900;
letter-spacing: 0.08em;
text-transform: uppercase;
}
.concept-banner p {
margin-bottom: 0;
font-size: 0.95rem;
line-height: 1.75;
}
.concept-banner strong {
color: var(--lime);
}
.code-reading-grid {
display: grid;
grid-template-columns: minmax(0, 1.38fr) minmax(230px, 0.62fr);
gap: 18px;
align-items: start;
}
.code-window {
overflow: hidden;
border: 1px solid #294b40;
border-radius: 18px;
background: var(--code);
box-shadow: var(--shadow);
}
.code-toolbar {
display: flex;
align-items: center;
justify-content: space-between;
min-height: 48px;
padding: 9px 15px;
border-bottom: 1px solid rgba(238, 248, 239, 0.12);
color: #9ab3a9;
background: #0b1d17;
font-family: var(--mono);
font-size: 0.68rem;
}
.code-toolbar-name {
display: flex;
gap: 8px;
align-items: center;
}
.file-mark {
display: inline-grid;
width: 24px;
height: 24px;
place-items: center;
border: 1px solid #49675c;
border-radius: 6px;
color: var(--lime);
font-weight: 800;
}
.code-hint {
color: #718b81;
}
.code-block {
overflow-x: auto;
padding: 17px 0 21px;
font-family: var(--mono);
font-size: clamp(0.72rem, 1.2vw, 0.83rem);
line-height: 1.72;
tab-size: 4;
}
.code-line {
display: grid;
grid-template-columns: 42px minmax(max-content, 1fr);
min-height: 24px;
padding: 0 17px 0 0;
color: var(--code-ink);
transition: opacity 160ms ease, background 160ms ease, box-shadow 160ms ease;
}
.code-line code {
font: inherit;
white-space: pre;
}
.line-no {
padding-right: 13px;
color: #527064;
font-size: 0.68rem;
text-align: right;
user-select: none;
}
.code-window.has-focus .code-line:not(.is-focus) {
opacity: 0.33;
}
.code-line.is-focus {
background: rgba(216, 244, 124, 0.1);
box-shadow: inset 3px 0 var(--lime);
}
.syn-type,
.syn-keyword {
color: #ff8a74;
}
.syn-fn {
color: #d8f47c;
}
.syn-string {
color: #bce4f0;
}
.syn-number {
color: #f8cf80;
}
.syn-constant {
color: #d7b8f7;
}
.code-notes {
display: grid;
gap: 10px;
}
.code-note {
width: 100%;
padding: 15px;
border: 1px solid var(--line);
border-radius: 13px;
color: var(--ink);
background: var(--panel);
cursor: pointer;
text-align: left;
transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}
.code-note:hover {
border-color: var(--forest);
transform: translateX(-3px);
}
.code-note[aria-pressed="true"] {
border-color: var(--forest);
background: var(--mint);
box-shadow: 4px 4px 0 var(--forest);
}
.code-note-index {
display: block;
margin-bottom: 5px;
color: var(--coral);
font-family: var(--mono);
font-size: 0.63rem;
font-weight: 900;
letter-spacing: 0.08em;
}
.code-note strong {
display: block;
margin-bottom: 4px;
color: var(--forest);
font-size: 0.86rem;
}
.code-note span:last-child {
display: block;
color: var(--ink-soft);
font-size: 0.74rem;
line-height: 1.55;
}
.reading-note {
margin-top: 18px;
padding: 17px 19px;
border: 1px dashed #a8a18e;
border-radius: 12px;
color: var(--ink-soft);
background: rgba(255, 253, 247, 0.56);
font-size: 0.84rem;
line-height: 1.75;
}
.reading-note strong {
color: var(--forest);
}
.sequence {
position: relative;
display: grid;
gap: 13px;
margin: 0;
padding: 0;
counter-reset: sequence -1;
list-style: none;
}
.sequence::before {
position: absolute;
top: 27px;
bottom: 27px;
left: 27px;
width: 2px;
background: var(--line);
content: "";
}
.sequence-item {
position: relative;
display: grid;
grid-template-columns: 56px 145px minmax(0, 1fr);
gap: 15px;
align-items: center;
min-height: 78px;
padding: 11px 17px 11px 0;
border: 1px solid var(--line);
border-radius: 14px;
background: var(--panel);
counter-increment: sequence;
}
.sequence-item::before {
z-index: 1;
display: grid;
width: 34px;
height: 34px;
margin: 0 auto;
place-items: center;
border: 2px solid var(--forest);
border-radius: 50%;
color: var(--forest);
background: var(--lime);
content: counter(sequence);
font-family: var(--mono);
font-size: 0.72rem;
font-weight: 900;
}
.sequence-code {
color: var(--forest);
font-family: var(--mono);
font-size: 0.72rem;
font-weight: 800;
line-height: 1.45;
}
.sequence-copy {
color: var(--ink-soft);
font-size: 0.84rem;
line-height: 1.7;
}
.sequence-copy strong {
color: var(--ink);
}
kbd {
display: inline-block;
min-width: 1.9em;
padding: 0.05em 0.42em;
border: 1px solid #8e998f;
border-bottom-width: 3px;
border-radius: 5px;
color: var(--forest);
background: #fff;
font-family: var(--mono);
font-size: 0.86em;
font-weight: 800;
line-height: 1.5;
text-align: center;
}
.core-insight {
margin-top: 28px;
padding: 35px;
border: 1px solid var(--forest);
border-radius: var(--radius);