/*
Theme Name: KBS Homepage
Theme URI:
Author: KBS
Description: KONAN BROADCASTING SYSTEM original homepage converted to a WordPress theme.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: kbs-homepage
*/
@charset "UTF-8";

:root {
--black: #111;
--white: #fff;
--gray: #777;
--line: #d8d8d8;
--max: 1200px;
}

{
box-sizing: border-box;
}

html {
scroll-behavior: smooth;
}

body {
margin: 0;
color: var(--black);
background: var(--white);
font-family:
"Helvetica Neue",
"Hiragino Kaku Gothic ProN",
"Yu Gothic",
YuGothic,
Arial,
sans-serif;
line-height: 1.7;
}

a {
color: inherit;
text-decoration: none;
}

.site-header {
border-bottom: 1px solid var(--black);
background: var(--white);
}

.header-inner {
width: min(calc(100% - 48px), var(--max));
min-height: 84px;
margin: 0 auto;
display: flex;
align-items: center;
justify-content: space-between;
gap: 32px;
}

.logo {
display: flex;
align-items: baseline;
gap: 14px;
}

.logo-mark {
font-size: 26px;
font-weight: 900;
letter-spacing: -0.06em;
}

.logo-name {
font-size: 10px;
letter-spacing: 0.12em;
}

.global-nav {
display: flex;
gap: 28px;
}

.global-nav a {
font-size: 11px;
font-weight: 700;
letter-spacing: 0.14em;
}

.global-nav a:hover {
text-decoration: underline;
text-underline-offset: 5px;
}

.hero {
min-height: 660px;
border-bottom: 1px solid var(--black);
display: flex;
align-items: center;
}

.hero-inner {
width: min(calc(100% - 48px), var(--max));
margin: 0 auto;
padding: 90px 0;
}

.hero-kicker {
margin: 0 0 34px;
font-size: 11px;
letter-spacing: 0.16em;
font-weight: 700;
}

.hero h1 {
margin: 0;
font-size: clamp(58px, 10vw, 138px);
line-height: 0.86;
letter-spacing: -0.075em;
font-weight: 900;
}

.hero-rule {
width: 92px;
height: 1px;
margin: 44px 0 18px;
background: var(--black);
}

.hero-jp {
margin: 0;
font-size: 14px;
letter-spacing: 0.12em;
}

.intro,
.content-section {
width: min(calc(100% - 48px), var(--max));
margin: 0 auto;
display: grid;
grid-template-columns: 24% 76%;
border-bottom: 1px solid var(--black);
}

.intro {
padding: 100px 0;
}

.section-label {
font-size: 10px;
font-weight: 700;
letter-spacing: 0.12em;
}

.intro-copy h2,
.section-content h2,
.contact-section h2 {
margin: 0;
font-size: clamp(38px, 5vw, 64px);
line-height: 1;
letter-spacing: -0.05em;
}

.intro-copy p {
margin: 28px 0 0;
font-size: 15px;
line-height: 2;
}

.content-section {
padding: 88px 0 100px;
}

.section-content h2 {
margin-bottom: 52px;
}

.activity-list {
border-top: 1px solid var(--black);
}

.activity-list article {
display: grid;
grid-template-columns: 70px 180px 1fr;
align-items: baseline;
gap: 20px;
padding: 25px 0;
border-bottom: 1px solid var(--line);
}

.activity-list article:last-child {
border-bottom: 0;
}

.number {
font-size: 11px;
color: var(--gray);
letter-spacing: 0.08em;
}

.activity-list h3 {
margin: 0;
font-size: 16px;
}

.activity-list p {
margin: 0;
color: #555;
font-size: 13px;
}

.news-list {
border-top: 1px solid var(--black);
}

.news-list a {
display: grid;
grid-template-columns: 130px 1fr 20px;
gap: 20px;
padding: 22px 0;
border-bottom: 1px solid var(--line);
font-size: 14px;
}

.news-list a:hover .arrow {
transform: translateX(4px);
}

.news-list time {
font-size: 11px;
color: var(--gray);
letter-spacing: 0.08em;
}

.arrow {
transition: transform 0.15s ease;
}

.contact-section {
width: min(calc(100% - 48px), var(--max));
margin: 0 auto;
padding: 90px 0;
display: flex;
align-items: flex-end;
justify-content: space-between;
gap: 40px;
}

.contact-section h2 {
margin-top: 20px;
}

.contact-section p {
margin: 0;
font-size: 13px;
}

.site-footer {
border-top: 1px solid var(--black);
min-height: 120px;
padding: 28px 24px;
display: flex;
justify-content: space-between;
align-items: flex-start;
gap: 24px;
font-size: 10px;
}

.site-footer div {
display: flex;
flex-direction: column;
gap: 3px;
}

.site-footer strong {
font-size: 16px;
letter-spacing: -0.04em;
}

.site-footer span,
.site-footer small {
color: var(--gray);
letter-spacing: 0.08em;
}

@media (max-width: 760px) {
.header-inner {
min-height: auto;
padding: 20px 0;
align-items: flex-start;
flex-direction: column;
gap: 18px;
}

.global-nav {
width: 100%;
justify-content: space-between;
gap: 10px;
}

.hero {
min-height: 520px;
}

.hero-inner {
padding: 70px 0;
}

.hero h1 {
font-size: clamp(50px, 15vw, 88px);
}

.intro,
.content-section {
grid-template-columns: 1fr;
gap: 40px;
}

.intro {
padding: 70px 0;
}

.content-section {
padding: 65px 0 70px;
}

.activity-list article {
grid-template-columns: 44px 1fr;
gap: 8px 16px;
}

.activity-list article p {
grid-column: 2;
}

.news-list a {
grid-template-columns: 100px 1fr 16px;
gap: 10px;
}

.contact-section {
padding: 70px 0;
display: block;
}

.contact-section p {
margin-top: 36px;
}

.site-footer {
flex-direction: column;
}
}