/*
Theme Name: IMG Theme
Theme URI: https://www.i-m-g.tokyo/
Author: Inspire Management Group
Description: Inspire Management Group オフィシャルサイト テーマ
Version: 1.0.0
License: All Rights Reserved
Text Domain: img-theme
*/

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }

/* ===== VARIABLES ===== */
:root {
  --text: #1a1a1a;
  --white: #ffffff;
  --bg: #f8f8f8;
  --gray: #999;
  --gray-light: #e0e0e0;
  --accent: #0a2364;
  --header-h: 90px;
  --container-w: 900px;
}

/* ===== BASE ===== */
html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 300;
  color: var(--text);
  background: var(--white);
  line-height: 1.8;
}

.container {
  width: 90%;
  max-width: var(--container-w);
  margin: 0 auto;
}

.center { text-align: center; }

/* ===== LOGO ===== */
.logo {
  display: block;
  line-height: 1;
}

.logo img {
  height: 52px;
  width: auto;
  display: block;
}

/* ===== HEADER ===== */
#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-h);
  background: var(--white);
  z-index: 100;
  border-bottom: 1px solid var(--gray-light);
}

.header-inner {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  font-family: 'Cormorant Garamond', serif;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--text);
  transition: color 0.2s;
  padding: 12px 4px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.nav-link:hover,
.nav-link.active {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.nav-sep {
  font-size: 14px;
  color: var(--gray);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 8px;
}

.hamburger span:not(.hamburger-label) {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--text);
  transition: transform 0.3s, opacity 0.3s;
}

.hamburger.active span:first-child {
  transform: translateY(6.5px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

.hamburger-label {
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--text);
}

/* ===== BREADCRUMB ===== */
.breadcrumb {
  padding-top: calc(var(--header-h) + 30px);
  padding-bottom: 10px;
}

.breadcrumb a,
.breadcrumb span {
  font-size: 14px;
  color: var(--gray);
  letter-spacing: 0.04em;
}

.breadcrumb a:hover {
  color: var(--text);
}

/* ===== PAGE HEADING ===== */
.page-heading {
  padding: 40px 0 60px;
}

.page-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 500;
  line-height: 1.8;
  letter-spacing: 0.06em;
  color: var(--accent);
}

/* ===== HERO (TOP) ===== */
#hero {
  margin-top: var(--header-h);
}

.hero-image {
  position: relative;
  width: 100%;
  height: 70vh;
  min-height: 400px;
  max-height: 700px;
  overflow: hidden;
  background: #ddd;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: absolute;
  background: rgba(0, 0, 0, 0.2);
  text-align: center;
  padding-top: 140px;
  text-shadow: 0 0 10px #FFF;
}

.hero-catch {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.hero-sub {
  font-size: clamp(14px, 1.6vw, 16px);
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0.06em;
}

/* ===== CONCEPT (TOP) ===== */
#concept {
  padding: 80px 0;
  text-align: center;
}

.concept-intro {
  font-size: clamp(14px, 1.4vw, 16px);
  font-weight: 300;
  line-height: 2.2;
  color: var(--text);
  letter-spacing: 0.04em;
}

.concept-divider {
  width: 60px;
  height: 1px;
  background: var(--gray);
  margin: 40px auto;
}

.concept-heading {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 30px;
  color: var(--accent);
}

.concept-text {
  font-size: clamp(14px, 1.4vw, 16px);
  font-weight: 300;
  line-height: 2.2;
  color: var(--text);
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}

/* ===== BUTTON ===== */
.btn-outline {
  display: inline-block;
  padding: 14px 40px;
  min-height: 44px;
  border: 1px solid var(--text);
  font-family: 'Cormorant Garamond', serif;
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--text);
  transition: background 0.3s, color 0.3s;
  margin-top: 30px;
}

.btn-outline:hover {
  background: var(--text);
  color: var(--white);
}

/* ===== TOP LINKS ===== */
#top-links { padding: 0; }

.top-links-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.top-link-card {
  position: relative;
  display: block;
  overflow: hidden;
  height: 400px;
}

.top-link-image {
  width: 100%;
  height: 100%;
  background: #ccc;
}

.top-link-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.top-link-card:hover .top-link-image img {
  transform: scale(1.05);
}

.top-link-label {
  position: absolute;
  bottom: 30px;
  left: 30px;
  padding: 15px 40px;
  border: 1px solid #FFF;
  background: rgba(255, 255, 255, 0.7);
}

.top-link-label::before {
  content: "";
  position: absolute;
  top: 5px;
  left: -15px;
  width: 40px;
  height: 1px;
  background: #000;
  transform: rotate(-45deg);
  transform-origin: center;
}

.top-link-label::after {
  content: "";
  position: absolute;
  bottom: 5px;
  right: -15px;
  width: 40px;
  height: 1px;
  background: #000;
  transform: rotate(-45deg);
  transform-origin: center;
}

.top-link-title {
  display: block;
  font-size: clamp(24px, 3vw, 32px);
  letter-spacing: 0.04em;
  margin-bottom: 4px;
  line-height: 1;
}

.top-link-desc {
  display: block;
  font-size: 14px;
  font-weight: 300;
  letter-spacing: 0.04em;
}

/* ===== NEWS (TOP) ===== */
#news { padding: 60px 0; }

.section-title-inline {
  font-family: 'Cormorant Garamond', serif;
  font-size: 30px;
  font-weight: 400;
  letter-spacing: 0.08em;
  display: inline-block;
}

.news-list {
  display: flex;
  flex-direction: column;
  max-height: calc(53px * 3);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--gray-light) transparent;
}

.news-list::-webkit-scrollbar { width: 4px; }
.news-list::-webkit-scrollbar-track { background: transparent; }
.news-list::-webkit-scrollbar-thumb { background: var(--gray-light); border-radius: 2px; }

.news-item {
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid var(--gray-light);
  font-size: 14px;
  font-weight: 300;
  flex-shrink: 0;
}

.news-item-header {
  display: flex;
  align-items: center;
  gap: 30px;
  padding: 16px 0;
  cursor: pointer;
  user-select: none;
  transition: opacity 0.2s;
}

.news-item-header:hover { opacity: 0.6; }

.news-item time {
  flex-shrink: 0;
  color: var(--gray);
  letter-spacing: 0.04em;
}

.news-item-body {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.35s ease, opacity 0.3s ease, padding 0.3s ease;
}

.news-item-body p {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.8;
  color: var(--text);
}

.news-item.open .news-item-body {
  max-height: 400px;
  opacity: 1;
  padding-bottom: 16px;
}

/* ===== BOTTOM LINKS ===== */
#bottom-links { padding: 60px 0 80px; }

.bottom-links-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.bottom-link-box {
  border: 1px solid var(--gray-light);
  padding: 40px;
}

.bottom-link-box h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.bottom-link-box p {
  font-size: 14px;
  font-weight: 300;
  line-height: 2;
  color: var(--gray);
}

/* ===== ABOUT PAGE ===== */
#about-content { padding: 0 0 80px; }

.about-flex {
  display: flex;
  gap: 60px;
  align-items: flex-start;
}

.about-image {
  flex: 0 0 40%;
  background: #ddd;
}

.about-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.about-text { flex: 1; }

.about-text h2 {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(20px, 2.5vw, 26px);
  font-weight: 500;
  letter-spacing: 0.06em;
  margin-bottom: 24px;
  line-height: 1.6;
}

.about-text p {
  font-size: clamp(14px, 1.3vw, 16px);
  font-weight: 300;
  line-height: 2;
  letter-spacing: 0.03em;
  margin-bottom: 20px;
}

.about-divider {
  width: 80px;
  height: 1px;
  background: var(--gray);
  margin: 30px 0;
}

/* ===== COMPANY INFO ===== */
#company-info {
  padding: 60px 0 100px;
  border-top: 1px solid var(--gray-light);
}

.section-title-line {
  font-family: 'Cormorant Garamond', serif;
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0.08em;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--text);
  display: inline-block;
  margin-bottom: 30px;
}

.company-name {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(20px, 2.5vw, 26px);
  font-weight: 500;
  letter-spacing: 0.06em;
  margin-bottom: 30px;
}

.company-table {
  width: 100%;
  border-collapse: collapse;
}

.company-table th,
.company-table td {
  padding: 16px 0;
  border-bottom: 1px solid var(--gray-light);
  font-size: 14px;
  font-weight: 300;
  text-align: left;
  vertical-align: top;
  line-height: 1.8;
}

.company-table th {
  width: 120px;
  color: var(--gray);
  white-space: nowrap;
  padding-right: 30px;
}

/* ===== TALENT PAGE ===== */
#talent-intro { padding: 20px 0 60px; }

.talent-intro-heading {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 400;
  letter-spacing: 0.15em;
  margin-bottom: 24px;
  color: var(--text);
}

.talent-intro-text {
  font-size: clamp(14px, 1.3vw, 16px);
  font-weight: 300;
  line-height: 2;
  letter-spacing: 0.03em;
  margin-bottom: 8px;
}

#talent-list { padding: 0 0 100px; }

.talent-card {
  display: flex;
  gap: 50px;
  align-items: center;
  margin-bottom: 80px;
}

.talent-photo {
  flex: 0 0 450px;
  width: 450px;
  height: 600px;
  background: #ddd;
  overflow: hidden;
}

.talent-photo img {
  width: 450px;
  height: 600px;
  object-fit: cover;
}

.talent-info { flex: 1; }

.talent-role {
  font-family: 'Cormorant Garamond', serif;
  font-size: 14px;
  font-weight: 400;
  font-style: italic;
  color: var(--gray);
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.talent-name {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 500;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
  color: var(--accent);
}

.talent-desc {
  font-size: 14px;
  font-weight: 300;
  line-height: 2;
  color: var(--text);
}

/* ===== LECTURE WORKS PAGE ===== */
#lecture-hero { margin-top: var(--header-h); }

.lecture-hero-image {
  width: 100%;
  height: 50vh;
  min-height: 300px;
  max-height: 500px;
  overflow: hidden;
  background: #ccc;
}

.lecture-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#lecture-intro { padding: 60px 0 40px; }

.lecture-heading {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(20px, 2.8vw, 28px);
  font-weight: 500;
  line-height: 1.8;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 30px;
}

.lecture-heading span,
.lecture-text span { white-space: nowrap; }

.lecture-text {
  font-size: clamp(14px, 1.3vw, 16px);
  font-weight: 300;
  line-height: 2;
  letter-spacing: 0.03em;
  margin-bottom: 12px;
}

#lecture-details { padding: 30px 0 60px; }

.lecture-box {
  border: 1px solid var(--text);
  display: flex;
  margin-bottom: 40px;
  position: relative;
  padding: 20px;
}

.lecture-box::before {
  content: "";
  position: absolute;
  top: 5px;
  left: -15px;
  width: 40px;
  height: 1px;
  background: #000;
  transform: rotate(-45deg);
  transform-origin: center;
}

.lecture-box::after {
  content: "";
  position: absolute;
  bottom: 5px;
  right: -15px;
  width: 40px;
  height: 1px;
  background: #000;
  transform: rotate(-45deg);
  transform-origin: center;
}

.lecture-box-title {
  flex: 0 0 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.06em;
  border-right: 1px solid var(--gray-light);
  padding: 30px 20px;
}

.lecture-box-list {
  flex: 1;
  padding: 30px 30px;
  margin: 0 auto;
}

.lecture-box-list li {
  font-size: 14px;
  font-weight: 300;
  line-height: 2;
  letter-spacing: 0.03em;
  padding-left: 16px;
  position: relative;
}

.lecture-box-list li::before {
  content: '・';
  position: absolute;
  left: 0;
}

#lecture-cta { padding: 20px 0 80px; }

#lecture-cta p {
  font-size: 14px;
  font-weight: 300;
  line-height: 2;
  letter-spacing: 0.04em;
}

/* ===== CONTACT PAGE ===== */
#contact-content { padding: 0 0 100px; }

.contact-intro {
  font-size: clamp(14px, 1.3vw, 16px);
  font-weight: 300;
  line-height: 2;
  letter-spacing: 0.03em;
  margin-bottom: 8px;
}

.contact-accent-bar {
  width: 100%;
  height: 4px;
  background: var(--accent);
  margin: 40px 0;
}

#contactForm {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-row label {
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--text);
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 12px 0;
  border: none;
  border-bottom: 1px solid var(--gray-light);
  background: transparent;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 14px;
  font-weight: 300;
  color: var(--text);
  outline: none;
  resize: vertical;
  transition: border-color 0.2s;
}

.form-row input:focus,
.form-row textarea:focus { border-bottom-color: var(--accent); }

.form-submit {
  display: flex;
  justify-content: center;
  margin-top: 20px;
}

.form-submit button {
  padding: 14px 60px;
  min-height: 44px;
  border: 1px solid var(--text);
  background: transparent;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 14px;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--text);
  cursor: pointer;
  transition: background 0.3s, color 0.3s;
}

.form-submit button:hover { background: var(--text); color: var(--white); }

/* Form Validation */
.form-honeypot {
  position: absolute;
  left: -9999px;
  top: -9999px;
  overflow: hidden;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.required {
  font-size: 11px;
  font-weight: 400;
  color: var(--white);
  background: var(--accent);
  padding: 1px 5px;
  border-radius: 2px;
  margin-left: 6px;
  vertical-align: middle;
  letter-spacing: 0;
}

.field-error {
  display: block;
  font-size: 12px;
  color: #c0392b;
  margin-top: 4px;
  min-height: 1em;
}

.form-row input.input-error,
.form-row textarea.input-error { border-bottom-color: #c0392b; }

.form-status {
  font-size: 14px;
  line-height: 1.7;
  padding: 16px 20px;
  border-radius: 2px;
  margin-bottom: 24px;
  display: none;
}

.form-status.success { display: block; background: #eaf4ea; color: #2e7d32; border-left: 3px solid #2e7d32; }
.form-status.error   { display: block; background: #fdecea; color: #c0392b; border-left: 3px solid #c0392b; }
.form-submit button:disabled { opacity: 0.6; cursor: not-allowed; }

.form-privacy-note {
  font-size: 13px;
  font-weight: 300;
  color: var(--gray);
  text-align: center;
  margin-bottom: 24px;
}

.form-privacy-note a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== FOOTER ===== */
#footer {
  background: var(--text);
  color: var(--white);
  padding: 50px 0 40px;
}

.footer-inner {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.footer-logo img {
  height: 44px;
  width: auto;
  filter: invert(1);
  opacity: 0.85;
}

.footer-right { text-align: right; }

.footer-nav {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  justify-content: flex-end;
}

.footer-nav a {
  font-family: 'Cormorant Garamond', serif;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s;
}

.footer-nav a:hover { color: var(--white); }

.footer-nav span {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.3);
}

.footer-sub-nav {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 8px;
}

.footer-sub-nav a {
  font-size: 12px;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.2s;
}

.footer-sub-nav a:hover { color: var(--white); }

.copyright {
  font-size: 14px;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.04em;
}

/* ===== ERROR PAGE ===== */
.error-page { padding: 120px 0 140px; }

.error-code {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(80px, 15vw, 140px);
  font-weight: 300;
  color: var(--gray-light);
  line-height: 1;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

.error-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 400;
  letter-spacing: 0.12em;
  margin-bottom: 24px;
  color: var(--text);
}

.error-text {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.9;
  color: var(--gray);
  margin-bottom: 40px;
}

/* ===== PRIVACY POLICY ===== */
#privacy-content { padding: 60px 0 100px; }

.privacy-heading {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(20px, 2.5vw, 26px);
  font-weight: 400;
  letter-spacing: 0.08em;
  margin-bottom: 40px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-light);
}

.privacy-lead {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.9;
  margin-bottom: 50px;
  color: var(--text);
}

.privacy-section { margin-bottom: 40px; }

.privacy-section h2 {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}

.privacy-section p {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.9;
  margin-bottom: 8px;
}

.privacy-section ul { list-style: disc; padding-left: 1.5em; }

.privacy-section ul li {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.9;
}

.privacy-contact {
  margin-top: 12px;
  padding: 20px 24px;
  border-left: 2px solid var(--gray-light);
}

.privacy-contact p { margin-bottom: 4px; }

.privacy-contact a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.privacy-date {
  font-size: 13px;
  font-weight: 300;
  color: var(--gray);
  margin-top: 60px;
  text-align: right;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  :root { --header-h: 70px; }

  .hamburger { display: flex; }

  .header-nav {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--header-h);
    left: 0;
    width: 100%;
    background: var(--white);
    padding: 0 20px;
    border-bottom: 1px solid transparent;
    gap: 0;
    z-index: 99;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    pointer-events: none;
    transition: max-height 0.4s ease, opacity 0.3s ease, padding 0.4s ease, border-color 0.3s ease;
  }

  .header-nav.open {
    max-height: 400px;
    opacity: 1;
    padding: 30px 20px;
    border-bottom-color: var(--gray-light);
    pointer-events: auto;
  }

  .nav-sep { display: none; }

  .nav-link {
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-light);
  }

  .hero-image { height: 50vh; min-height: 300px; }
  .hero-overlay { padding-top: 70px; }
  .top-links-grid { grid-template-columns: 1fr; }
  .top-link-card { height: 280px; }

  .about-flex { flex-direction: column; gap: 30px; }
  .about-image { width: 100%; max-height: 750px; overflow: hidden; display: flex; }

  .talent-card { flex-direction: column; gap: 30px; }
  .talent-photo { flex: none; width: 100%; max-width: none; background: none; }
  .talent-photo img { width: 100%; max-width: 450px; height: auto; /* object-fit: cover; */ margin: 0 auto; }

  .lecture-box { flex-direction: column; }
  .lecture-box-title { flex: none; border-right: none; border-bottom: 1px solid var(--gray-light); padding: 20px; }

  .footer-inner { flex-direction: column; align-items: flex-start; gap: 30px; }
  .footer-right { text-align: left; width: 100%; }
  .footer-logo { margin: 0 auto; }
  .footer-logo img { height: 60px; }
  .footer-nav { display: none; }
}

@media (max-width: 600px) {
  .bottom-links-grid { grid-template-columns: 1fr; gap: 20px; }
  .bottom-link-box { padding: 30px; }
}

@media (max-width: 480px) {
  .hero-catch { font-size: 26px; }
  .concept-intro br { display: none; }
  .news-item-header { gap: 12px; }
  .news-list { max-height: calc(70px * 3); }

  .btn-outline { width: 100%; text-align: center; }
}