目次
— TAS Technical Writing Team（技術記事監修）
ドローン測量 vs 地上測量を徹底比較｜精度・コスト・工期から選ぶ最終判断ガイド
/* THEME VARIABLES */
:root {
–bg: #ffffff;
–fg: #111827;
–muted: #6b7280;
–brand: #004d9c;
–brand-2: #0066cc;
–accent: #f97316;
–line: #e5e7eb;
–surface: #f9fafb;
–shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}
@media (prefers-color-scheme: dark) {
:root {
–bg: #020617;
–fg: #e5e7eb;
–muted: #9ca3af;
–brand: #4a90e2;
–brand-2: #79a6dc;
–accent: #fdba74;
–line: #1f2937;
–surface: #0b1220;
–shadow: 0 20px 50px rgba(0, 0, 0, 0.65);
}
}
* {
box-sizing: border-box;
}
body {
margin: 0;
font-family: -apple-system, BlinkMacSystemFont, “Hiragino Sans”, “Yu Gothic”, “Meiryo”, sans-serif;
background-color: var(–bg);
color: var(–fg);
line-height: 1.8;
-webkit-font-smoothing: antialiased;
}
a {
color: var(–brand);
text-decoration: none;
transition: color 0.2s ease, opacity 0.2s ease;
}
a:hover {
color: var(–brand-2);
text-decoration: underline;
}
strong, b {
font-weight: 700;
color: inherit;
}
h1, h2, h3 {
font-weight: 700;
line-height: 1.4;
margin-top: 2.4rem;
margin-bottom: 1.1rem;
}
h1 {
font-size: clamp(2rem, 3vw, 2.4rem);
border-bottom: none;
margin-top: 0;
}
h2 {
font-size: clamp(1.6rem, 2.4vw, 1.9rem);
color: var(–brand);
border-bottom: 2px solid var(–line);
padding-bottom: 0.5rem;
margin-top: 3.2rem;
}
h3 {
font-size: 1.2rem;
color: var(–fg);
margin-top: 1.8rem;
margin-bottom: 0.8rem;
padding-left: 1rem;
border-left: 4px solid var(–accent);
}
p {
margin-top: 0.3rem;
margin-bottom: 1.2rem;
font-size: 0.96rem;
}
ul, ol {
padding-left: 1.5rem;
margin-top: 0.3rem;
margin-bottom: 1.4rem;
font-size: 0.94rem;
}
li {
margin-bottom: 0.4rem;
}
.container {
max-width: 1100px;
margin: 0 auto;
padding: 0 1.25rem;
}
.section {
padding-top: 64px;
padding-bottom: 64px;
}
.hero {
background: radial-gradient(circle at top left, rgba(0, 77, 156, 0.12), transparent 55%),
radial-gradient(circle at top right, rgba(37, 99, 235, 0.12), transparent 55%);
padding-top: 88px;
padding-bottom: 56px;
border-bottom: 1px solid var(–line);
}
.eyebrow {
font-size: 0.8rem;
font-weight: 600;
color: var(–muted);
letter-spacing: 0.12em;
text-transform: uppercase;
margin-bottom: 0.4rem;
}
.badge {
display: inline-flex;
align-items: center;
padding: 0.25rem 0.75rem;
border-radius: 9999px;
font-size: 0.72rem;
font-weight: 600;
background-color: var(–brand);
color: var(–bg);
margin-right: 0.4rem;
margin-bottom: 0.4rem;
letter-spacing: 0.04em;
}
.badge + .badge {
background-color: rgba(0, 77, 156, 0.1);
color: var(–brand);
}
.muted {
color: var(–muted);
font-size: 0.86rem;
}
.grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
gap: 1.8rem;
}
.card {
background-color: var(–surface);
border: 1px solid var(–line);
border-radius: 0.9rem;
padding: 1.6rem 1.4rem;
box-shadow: var(–shadow);
}
.btn {
display: inline-flex;
align-items: center;
justify-content: center;
padding: 0.82rem 1.6rem;
border-radius: 9999px;
font-size: 0.96rem;
font-weight: 700;
cursor: pointer;
text-decoration: none;
border: 2px solid transparent;
transition: background-color 0.2s ease, opacity 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
text-align: center;
line-height: 1.4;
white-space: nowrap;
}
.btn-primary {
background-color: var(–brand);
color: var(–bg);
box-shadow: 0 12px 30px rgba(0, 77, 156, 0.45);
}
.btn-primary:hover {
background-color: var(–brand-2);
opacity: 0.95;
text-decoration: none;
transform: translateY(-1px);
box-shadow: 0 18px 45px rgba(0, 77, 156, 0.55);
}
.btn-outline {
background-color: transparent;
color: var(–brand);
border-color: var(–brand);
box-shadow: none;
}
.btn-outline:hover {
background-color: var(–brand);
color: var(–bg);
text-decoration: none;
}
.btn-group {
display: flex;
gap: 0.9rem;
margin-top: 2rem;
flex-wrap: wrap;
}
.btn-group .btn {
min-width: 230px;
}
.toc-container {
display: grid;
grid-template-columns: 1fr;
gap: 2rem;
margin-bottom: 3rem;
}
@media (min-width: 768px) {
.toc-container {
grid-template-columns: 2fr 1fr;
align-items: flex-start;
}
.sticky-cta {
position: sticky;
top: 1rem;
}
}
.toc {
padding: 1.5rem;
border: 2px solid var(–brand);
border-radius: 0.9rem;
background-color: var(–surface);
}
.toc h3 {
border-left: none;
padding-left: 0;
margin-top: 0;
color: var(–brand);
font-size: 1.1rem;
margin-bottom: 0.8rem;
}
.toc ol {
list-style: none;
padding-left: 0;
margin-bottom: 0;
}
.toc li {
margin-bottom: 0.55rem;
font-size: 0.9rem;
}
.toc a {
color: var(–fg);
font-weight: 500;
display: block;
padding: 0.18rem 0;
}
.toc a:hover {
color: var(–brand);
text-decoration: underline;
}
.sticky-cta p {
margin-top: 0;
}
.sticky-cta .btn {
width: 100%;
}
.image-placeholder {
background-color: var(–line);
border: 1px dashed var(–muted);
color: var(–muted);
text-align: center;
padding: 2rem 1rem;
margin: 2rem 0;
border-radius: 0.7rem;
font-style: italic;
font-size: 0.88rem;
}
.caution {
background-color: var(–accent);
color: var(–fg);
padding: 1rem 1.5rem;
border-radius: 0.7rem;
font-weight: 600;
margin: 2rem 0;
font-size: 0.9rem;
}
.caution strong {
color: var(–fg);
}
table {
width: 100%;
border-collapse: collapse;
margin: 2rem 0;
font-size: 0.9rem;
}
th, td {
border: 1px solid var(–line);
padding: 0.9rem 1rem;
text-align: left;
vertical-align: top;
}
th {
background-color: var(–brand);
color: var(–bg);
font-weight: 600;
vertical-align: middle;
white-space: nowrap;
}
td {
background-color: var(–surface);
}
footer {
background-color: var(–fg);
color: var(–surface);
padding: 2.4rem 0 2.8rem;
font-size: 0.85rem;
margin-top: 3rem;
}
footer a {
color: var(–brand-2);
}
@media (max-width: 768px) {
.section {
padding-top: 48px;
padding-bottom: 48px;
}
.btn-group {
flex-direction: column;
}
.btn-group .btn {
width: 100%;
}
}