/* Base styles */
@font-face {
  font-family: "Kaisotai";
  src: url("Kaisotai-Next-UP-B.woff2") format("woff2");
}

.app-screenshot {
  border-radius: 40px;
}

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

body {
  font-family: "Kaisotai", sans-serif;
  line-height: 1.6;
  background: #2a2a2a;
  min-height: 100vh;
}

.feature-list li,
.app-content p,
.crowdfunding-banner p,
.section-body {
  font-family: Arial, sans-serif;
}

.team-photo {
  width: 146px;
  height: 178px;
  object-fit: cover;
  border-radius: 12px;
  background: #eee;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Navigation */
header {
  background: #f5ac72;
  padding: 15px 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 0 #c04700;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 12px;
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1001;
  width: 48px;
  height: 48px;
  border-radius: 8px;
}

.hamburger.active {
  background: rgba(0, 0, 0, 0.1);
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px auto;
  background: white;
  transition: all 0.3s ease;
  border-radius: 1px;
}

.hamburger.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: translateX(-10px);
}

.hamburger.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 30px;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
  font-size: 16px;
  padding: 12px 24px;
  background: #ff7c14;
  border: none;
  transition: all 0.1s ease;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 0 #c04700;
  overflow: hidden;
}

.nav-shine {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.15) 0%,
    rgba(255, 255, 255, 0) 100%
  );
  pointer-events: none;
  z-index: 1;
}

nav a span {
  position: relative;
  z-index: 2;
}

nav a:hover {
  background: #ff8c2c;
  transform: translateY(-1px);
  box-shadow: 0 5px 0 #c04700;
}

nav a:active {
  transform: translateY(3px);
  box-shadow: 0 1px 0 #c04700;
  transition: all 0.05s ease;
}

/* ネジの装飾（左上と右下） */
nav a::before,
nav a::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  border: 1px solid #bbb;
  border-radius: 50%;
  z-index: 2;
}

nav a::before {
  top: 3px;
  left: 3px;
  background: linear-gradient(
      135deg,
      transparent 45%,
      #bbb 45%,
      #bbb 55%,
      transparent 55%
    ),
    linear-gradient(45deg, transparent 45%, #bbb 45%, #bbb 55%, transparent 55%),
    #e0e0e0;
}

nav a::after {
  bottom: 3px;
  right: 3px;
  background: linear-gradient(
      135deg,
      transparent 45%,
      #bbb 45%,
      #bbb 55%,
      transparent 55%
    ),
    linear-gradient(45deg, transparent 45%, #bbb 45%, #bbb 55%, transparent 55%),
    #e0e0e0;
}

/* Screw shine overlay */
nav a .nav-screw-shine {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.4) 0%,
    rgba(255, 255, 255, 0) 100%
  );
  border-radius: 50%;
  transform: rotate(-30deg);
  pointer-events: none;
}

.nav-screw-shine-tl {
  top: 3px;
  left: 3px;
  z-index: 3;
}

.nav-screw-shine-br {
  bottom: 3px;
  right: 3px;
  z-index: 3;
}

/* Hero Section */
.mobile-break {
  display: inline;
}

.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  position: relative;
  background: #2a2a2a;
  overflow: hidden;
}

.logo-container {
  position: absolute;
  top: 100px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 15px;
}

.app-icon {
  width: 80px;
  height: 80px;
}

.app-name {
  font-size: 2.5rem;
  color: white;
  font-weight: bold;
}

.floating-screenshot {
  position: absolute;
  width: 200px;
  height: auto;
  z-index: 1;
  opacity: 0.6;
  object-fit: contain;
  -webkit-mask-image: -webkit-radial-gradient(white, black);
  border-radius: 25px;
  mask-image: radial-gradient(white, black);
  -webkit-mask-size: contain;
  mask-size: contain;
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.floating-screenshot-1 {
  top: 15%;
  left: 10%;
  transform: rotate(-15deg);
}

.floating-screenshot-2 {
  top: 25%;
  right: 10%;
  transform: rotate(15deg);
}

.floating-screenshot-3 {
  bottom: 15%;
  left: 20%;
  transform: rotate(10deg);
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.08) 1px,
    transparent 1px
  );
  background-size: 25px 25px;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 120px;
}

.hero h1 {
  font-size: 5rem;
  line-height: 1.2;
  margin-bottom: 20px;
  text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.5), -1px -1px 0 rgba(0, 0, 0, 0.3),
    1px -1px 0 rgba(0, 0, 0, 0.3), -1px 1px 0 rgba(0, 0, 0, 0.3),
    1px 1px 0 rgba(0, 0, 0, 0.3);
  letter-spacing: 0.02em;
}

.hero p {
  font-size: 1.7rem;
  margin-bottom: 40px;
  opacity: 0.95;
  text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.3);
}

/* Buttons */
.cta-button,
.cf-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #ff7c14;
  color: white;
  padding: 18px 40px;
  text-decoration: none;
  font-family: "Kaisotai", sans-serif;
  font-size: 1.2rem;
  font-weight: bold;
  transition: all 0.1s ease;
  position: relative;
  border: none;
  cursor: pointer;
  box-shadow: 0 6px 0 #c04700;
  overflow: hidden;
  transform: translateY(0);
}

.button-shine {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.15) 0%,
    rgba(255, 255, 255, 0) 50%
  );
  pointer-events: none;
  z-index: 1;
}

.cta-button span,
.cf-button span {
  position: relative;
  z-index: 2;
}

.cf-button {
  background: #2fadd7;
  box-shadow: 0 6px 0 #1d5d73;
}

.cta-button:hover,
.cta-button.hover {
  background: #ff8c2c;
  transform: translateY(-2px);
  box-shadow: 0 8px 0 #c04700;
  transition: all 0.1s ease;
}

.cf-button:hover,
.cf-button.hover {
  background: #3cbdea;
  transform: translateY(-2px);
  box-shadow: 0 8px 0 #1d5d73;
  transition: all 0.1s ease;
}

.cta-button.up,
.cf-button.up {
  transform: translateY(-1px);
}

.cta-button.active {
  background: #ff8c2c;
  transform: translateY(4px);
  box-shadow: 0 2px 0 #c04700;
  transition: all 0.05s ease;
}

.cf-button.active {
  background: #3cbdea;
  transform: translateY(4px);
  box-shadow: 0 2px 0 #1d5d73;
  transition: all 0.05s ease;
}

.cta-button.active .button-shine,
.cf-button.active .button-shine {
  opacity: 0.5;
}

/* Button Screws */
.cta-button::before,
.cta-button::after,
.cf-button::before,
.cf-button::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  border: 1px solid #bbb;
  border-radius: 50%;
  z-index: 10;
  background: linear-gradient(
      135deg,
      transparent 45%,
      #bbb 45%,
      #bbb 55%,
      transparent 55%
    ),
    linear-gradient(45deg, transparent 45%, #bbb 45%, #bbb 55%, transparent 55%),
    #e0e0e0;
  box-shadow: inset 0 2px 0 rgba(255, 255, 255, 0.5);
}

.cta-button::before,
.cf-button::before {
  top: 6px;
  left: 6px;
}

.cta-button::after,
.cf-button::after {
  bottom: 6px;
  right: 6px;
}

/* Button screw shine */
.button-screw-shine {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.4) 0%,
    rgba(255, 255, 255, 0) 100%
  );
  border-radius: 50%;
  transform: rotate(-30deg);
  pointer-events: none;
  z-index: 11;
}

.button-screw-shine-tl {
  top: 6px;
  left: 6px;
}

.button-screw-shine-br {
  bottom: 6px;
  right: 6px;
}

/* Section Styles */
.section {
  padding: 80px 0;
  background: #f5f5f5;
}

.section:nth-child(even) {
  background: white;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 60px;
  color: #333;
  position: relative;
  display: inline-block;
  width: 100%;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 8px;
  background: #ff7c14;
}

.section-title::before {
  content: "";
  position: absolute;
  bottom: -22px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: #c04700;
  z-index: -1;
}

/* App Cards */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 40px;
  margin-top: 40px;
}

.app-card {
  background: white;
  overflow: hidden;
  position: relative;
  box-shadow: 0 3px 0 rgba(0, 0, 0, 0.2);
}

/* Position "より詳しく" link at the bottom right */
.more-link {
  position: absolute;
  right: 1.5em;
  bottom: 1.5em;
  font-family: Arial, sans-serif;
  font-size: 1em;
  text-decoration: none;
  background: none;
  box-shadow: none;
  padding: 0;
  transition: color 0.2s;
}
.app-card.tomoribI .more-link {
  color: #ff7c14;
}
.app-card.tsutsura .more-link {
  color: #2fadd7;
}

.app-header {
  padding: 30px;
  text-align: center;
  position: relative;
}

.app-header.tomoribI {
  background: #ff7c14;
}

.app-header.tsutsura {
  background: #2fadd7;
}

.app-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 10px;
  background: rgba(255, 255, 255, 0.1);
  pointer-events: none;
}

.app-header h3 {
  color: white;
  font-size: 2rem;
  margin-bottom: 10px;
  position: relative;
  z-index: 2;
}

.app-header p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
  position: relative;
  z-index: 2;
}

.app-content {
  padding: 30px;
  background: white;
  padding-bottom: 5em;
}

/* Feature Lists */
.feature-list {
  list-style: none;
  margin-top: 20px;
}

.feature-list li {
  font-family: Arial, sans-serif;
  padding: 12px 0;
  border-bottom: 2px solid #eee;
  position: relative;
  padding-left: 30px;
  font-weight: 500;
}

/* Checkmark for both cards */
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  background: #ff7c14;
}

.feature-list li::after {
  content: "";
  position: absolute;
  left: -2px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 4px;
  background: #c04700;
}

/* つつうらカードのチェックマーク色変更 */
.app-header.tsutsura + .app-content .feature-list li::before {
  background: #2fadd7;
}

.app-header.tsutsura + .app-content .feature-list li::after {
  background: #1d5d73;
}

/* Crowdfunding Banner */
.crowdfunding-banner {
  background: #2a2a2a;
  color: white;
  text-align: center;
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}

/* .crowdfunding-banner::before removed */

.cf-corner-tl {
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
  border-top: 40px solid #ff7c14;
  border-right: 70px solid transparent;
}

.cf-corner-br {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 0;
  height: 0;
  border-bottom: 40px solid #2fadd7;
  border-left: 70px solid transparent;
}

.crowdfunding-banner h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  position: relative;
  z-index: 2;
}

.crowdfunding-banner p {
  font-family: Arial, sans-serif;
  font-size: 1.3rem;
  margin-bottom: 30px;
  position: relative;
  z-index: 2;
}

/* Footer */
footer {
  background: #333;
  color: white;
  text-align: center;
  padding: 40px 0;
  position: relative;
  font-family: "Kaisotai", sans-serif;
}

footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(
    90deg,
    #ff7c14 0%,
    #ff7c14 50%,
    #2fadd7 50%,
    #2fadd7 100%
  );
}

footer::after {
  content: "";
  position: absolute;
  top: 6px;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(
    90deg,
    #c04700 0%,
    #c04700 50%,
    #1d5d73 50%,
    #1d5d73 100%
  );
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-bottom: 20px;
}

.footer-links a {
  color: white;
  text-decoration: none;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.1);
  transition: all 0.1s ease;
  position: relative;
  box-shadow: 0 3px 0 rgba(0, 0, 0, 0.3);
  border-radius: 2px;
}

.footer-links a:hover {
  background: rgba(47, 173, 215, 0.3);
  transform: translateY(-1px);
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.3);
}

.footer-links a:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.3);
  transition: all 0.05s ease;
}

/* Team Section - Employee Card Style */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-top: 40px;
}

.employee-card {
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  position: relative;
  transition: all 0.3s ease;
  border: 2px solid #e0e0e0;
}

.employee-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.card-header {
  background: linear-gradient(135deg, #ff7c14 0%, #2fadd7 100%);
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: white;
  font-weight: bold;
}

.company-logo {
  font-size: 1.2rem;
  font-family: "Kaisotai", sans-serif;
}

.card-number {
  font-size: 0.9rem;
  opacity: 0.9;
  font-family: monospace;
}

.employee-photo {
  text-align: center;
  padding: 20px 20px 0;
}

.employee-photo img {
  width: 120px;
  height: 150px;
  object-fit: cover;
  border-radius: 8px;
  border: 3px solid #f0f0f0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.employee-info {
  padding: 20px;
  text-align: center;
}

.employee-name {
  font-size: 1.5rem;
  color: #333;
  margin-bottom: 8px;
  font-family: "Kaisotai", sans-serif;
}

.employee-title {
  font-size: 1.1rem;
  color: #666;
  margin-bottom: 8px;
  font-weight: 600;
}

.employee-email {
  font-size: 0.9rem;
  color: #2fadd7;
  margin-bottom: 15px;
  font-family: monospace;
  background: #f8f9fa;
  padding: 4px 8px;
  border-radius: 4px;
  display: inline-block;
}

.employee-description {
  text-align: left;
  border-top: 1px solid #eee;
  padding-top: 15px;
}

.employee-description p {
  font-family: Arial, sans-serif;
  font-size: 0.9rem;
  line-height: 1.5;
  color: #555;
}

/* Lanyard effect */
.card-lanyard {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 30px;
  background: linear-gradient(90deg, #333 0%, #555 50%, #333 100%);
  border-radius: 0 0 10px 10px;
  z-index: 10;
}

.card-lanyard::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 8px;
  background: #666;
  border-radius: 50%;
  box-shadow: 0 0 0 2px #333;
}

.card-lanyard::after {
  content: "";
  position: absolute;
  top: 15px;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 4px;
  background: #444;
  border-radius: 2px;
}

/* Vision Section Enhanced Styling */
.vision-section {
  background: #f5f5f5;
  position: relative;
}

.vision-hero-card {
  background: white;
  margin-bottom: 40px;
  box-shadow: 0 3px 0 rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
}

.vision-header {
  background: linear-gradient(135deg, #ff7c14 0%, #2fadd7 100%);
  padding: 40px 30px;
  text-align: center;
  position: relative;
  color: white;
}

.vision-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.15) 0%,
    rgba(255, 255, 255, 0) 100%
  );
  pointer-events: none;
}

.vision-icon-container {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
}

.vision-icon-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.2) 0%,
    rgba(255, 255, 255, 0) 100%
  );
  pointer-events: none;
}

.vision-heart-icon {
  font-size: 2.5rem;
  color: white;
  position: relative;
  z-index: 2;
}

.vision-main-title {
  font-size: 2.5rem;
  margin-bottom: 10px;
  font-family: "Kaisotai", sans-serif;
  position: relative;
  z-index: 2;
}

.vision-subtitle {
  font-size: 1.2rem;
  opacity: 0.9;
  font-family: Arial, sans-serif;
  position: relative;
  z-index: 2;
}

.vision-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-bottom: 60px;
}

.vision-card {
  background: white;
  box-shadow: 0 3px 0 rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
  transition: all 0.1s ease;
}

.vision-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 0 rgba(0, 0, 0, 0.2);
}

.vision-card-header {
  padding: 30px;
  text-align: center;
  position: relative;
  color: white;
}

.vision-card-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.15) 0%,
    rgba(255, 255, 255, 0) 100%
  );
  pointer-events: none;
}

.problem-header {
  background: #ff7c14;
}

.solution-header {
  background: #2fadd7;
}

.impact-header {
  background: linear-gradient(135deg, #ff7c14 0%, #2fadd7 100%);
}

.card-icon-container {
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 15px;
  box-shadow: 0 3px 0 rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
}

.card-icon-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.2) 0%,
    rgba(255, 255, 255, 0) 100%
  );
  pointer-events: none;
}

.card-icon {
  font-size: 1.8rem;
  color: white;
  position: relative;
  z-index: 2;
}

.vision-card-header h4 {
  font-size: 1.5rem;
  margin-bottom: 8px;
  font-family: "Kaisotai", sans-serif;
  position: relative;
  z-index: 2;
}

.vision-card-header p {
  font-size: 1rem;
  opacity: 0.9;
  font-family: Arial, sans-serif;
  position: relative;
  z-index: 2;
}

.vision-card-content {
  padding: 30px;
  background: white;
}

.vision-card-content p {
  font-family: Arial, sans-serif;
  line-height: 1.7;
  color: #555;
}

.vision-goals {
  background: white;
  padding: 40px;
  border-radius: 0;
  box-shadow: 0 6px 0 rgba(0, 0, 0, 0.2);
  margin-bottom: 40px;
  position: relative;
  z-index: 2;
  overflow: hidden;
}

.vision-goals::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0) 100%
  );
  pointer-events: none;
}

.goals-title {
  text-align: center;
  font-size: 2rem;
  color: #333;
  margin-bottom: 40px;
  font-family: "Kaisotai", sans-serif;
  position: relative;
  z-index: 2;
}

.goals-title::after {
  content: "";
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 6px;
  background: #ff7c14;
  border-radius: 0;
}

.goals-title::before {
  content: "";
  position: absolute;
  bottom: -18px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: #c04700;
  z-index: -1;
}

.goals-grid {
  display: flex;
  flex-direction: column;
  gap: 30px;
  position: relative;
  z-index: 2;
}

.goal-item {
  display: flex;
  align-items: flex-start;
  gap: 25px;
  padding: 20px;
  background: #f8f9fa;
  border-radius: 0;
  transition: all 0.1s ease;
  box-shadow: 0 3px 0 rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
}

.goal-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.5) 0%,
    rgba(255, 255, 255, 0) 100%
  );
  pointer-events: none;
}

.goal-item:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.1);
}

.goal-number {
  font-size: 1.5rem;
  font-weight: bold;
  color: white;
  background: linear-gradient(135deg, #ff7c14, #2fadd7);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
}

.goal-number::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.15) 0%,
    rgba(255, 255, 255, 0) 100%
  );
  pointer-events: none;
}

.goal-digit {
  position: relative;
  z-index: 3;
}

/* Goal number screws - 真ん中上部に1個のみ */
.goal-screw {
  position: absolute;
  width: 8px;
  height: 8px;
  border: 1px solid #bbb;
  border-radius: 50%;
  background: linear-gradient(
      135deg,
      transparent 45%,
      #bbb 45%,
      #bbb 55%,
      transparent 55%
    ),
    linear-gradient(45deg, transparent 45%, #bbb 45%, #bbb 55%, transparent 55%),
    #e0e0e0;
  z-index: 4;
}

.goal-screw-tl {
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
}

.goal-content {
  position: relative;
  z-index: 2;
}

.goal-content h5 {
  font-size: 1.3rem;
  color: #333;
  margin-bottom: 8px;
  font-family: "Kaisotai", sans-serif;
}

.goal-content p {
  font-family: Arial, sans-serif;
  color: #555;
  line-height: 1.6;
}

.vision-closing {
  text-align: center;
  margin-top: 40px;
}

.vision-closing p {
  font-family: Arial, sans-serif;
  font-size: 1.2rem;
  color: #666;
  font-style: italic;
  padding: 25px;
  background: white;
  box-shadow: 0 3px 0 rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
}

.vision-closing p::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.5) 0%,
    rgba(255, 255, 255, 0) 100%
  );
  pointer-events: none;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .vision-main-title {
    font-size: 2rem;
  }

  .vision-content {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .vision-card-header,
  .vision-card-content {
    padding: 20px;
  }

  .vision-header {
    padding: 30px 20px;
  }

  .vision-goals {
    padding: 30px 20px;
  }

  .goal-item {
    flex-direction: column;
    text-align: center;
    gap: 15px;
  }

  .goal-number {
    align-self: center;
  }
}

@media (max-width: 480px) {
  .vision-icon-container {
    width: 60px;
    height: 60px;
  }

  .vision-heart-icon {
    font-size: 2rem;
  }

  .vision-main-title {
    font-size: 1.8rem;
  }

  .card-icon-container {
    width: 50px;
    height: 50px;
  }

  .card-icon {
    font-size: 1.5rem;
  }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .team-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .employee-card {
    margin: 0 10px;
  }

  .employee-photo img {
    width: 100px;
    height: 125px;
  }

  .employee-name {
    font-size: 1.3rem;
  }
}

@media (max-width: 480px) {
  .card-header {
    padding: 10px 15px;
  }

  .company-logo {
    font-size: 1rem;
  }

  .employee-info {
    padding: 15px;
  }

  .employee-photo {
    padding: 15px 15px 0;
  }
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 4rem;
  }

  .hero p {
    font-size: 1.5rem;
  }

  .floating-screenshot {
    width: 160px;
  }

  nav ul {
    gap: 15px;
  }

  nav a {
    padding: 10px 20px;
    font-size: 15px;
  }
}

@media (max-width: 768px) {
  header {
    padding: 8px 0;
    height: 64px;
  }

  .hamburger {
    display: block;
  }

  .hamburger:hover {
    background: rgba(0, 0, 0, 0.05);
  }

  .hamburger.active:hover {
    background: rgba(0, 0, 0, 0.15);
  }

  .nav-menu {
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    background: #f5ac72;
    padding: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    box-shadow: 0 4px 0 #c04700;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }

  nav {
    background: #f5ac72;
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-menu li:last-child {
    margin-bottom: 32px;
  }

  nav a {
    padding: 16px 20px;
    font-size: 16px;
    width: calc(100% - 32px);
    margin: 0 16px;
    border-radius: 0;
    box-shadow: 0 4px 0 #c04700;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  }

  /* Swap screenshots 2 and 3 */
  .floating-screenshot-2 {
    right: auto;
    bottom: 15%;
    left: 20%;
    transform: rotate(10deg);
    z-index: 1;
    transition: all 0.3s ease;
  }

  .floating-screenshot-3 {
    display: block;
    right: 10%;
    bottom: auto;
    top: 25%;
    transform: rotate(15deg);
    z-index: 1;
    transition: all 0.3s ease;
  }

  .mobile-break {
    display: block !important;
    margin-bottom: 0.2em;
  }

  .hero h1 {
    font-size: 2.8rem;
    padding: 0 20px;
    margin-top: 40px;
  }

  .hero p {
    font-size: 1.3rem;
    padding: 0 20px;
  }

  .logo-container {
    top: 80px;
    flex-direction: column;
    gap: 10px;
  }

  .app-icon {
    width: 60px;
    height: 60px;
  }

  .app-name {
    font-size: 2rem;
  }

  .floating-screenshot {
    width: 140px;
  }

  .floating-screenshot-1 {
    left: 5%;
    z-index: 1;
  }

  .floating-screenshot-2 {
    display: block;
    right: 5%;
    bottom: auto;
    top: 25%;
    left: auto;
    transform: rotate(15deg);
    z-index: 1;
  }

  .floating-screenshot-3 {
    display: block;
    right: auto;
    bottom: 15%;
    left: 20%;
    transform: rotate(10deg);
    z-index: 1;
  }

  .hero-content {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 0;
    z-index: 2;
  }

  .cta-button {
    margin-bottom: 100px;
  }

  body.menu-open {
    overflow: hidden;
  }

  .apps-grid {
    grid-template-columns: 1fr;
  }

  .footer-links {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }
  .footer-links a {
    text-align: center;
  }
}

@media (max-width: 480px) {
  nav a {
    width: calc(100% - 20px);
    margin: 0 10px;
    box-shadow: 0 3px 0 #c04700;
  }

  .hero-content {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 0;
    z-index: 2;
  }

  .hero h1 {
    font-size: 3.5rem;
    margin-top: 0;
  }

  .hero p {
    font-size: 1.1rem;
  }

  .cta-button {
    margin-bottom: 50px;
  }

  .floating-screenshot {
    width: 120px;
    opacity: 0.4;
  }

  .cta-button,
  .cf-button {
    padding: 15px 30px;
    font-size: 1.1rem;
  }
}