/*
Theme Name: TDSK Studio
Theme URI:
Author: TDSK Studio
Author URI: https://tdsk-web.com
Description: TDSK Studio オリジナルWordPressポートフォリオテーマ
Version: 1.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: tdsk-studio
*/

:root {
  --navy:        #0f1f3d;
  --navy-mid:    #1a3260;
  --navy-light:  #243d72;
  --blue:        #4a90d9;
  --blue-light:  #6aabf0;
  --white:       #ffffff;
  --off-white:   #f4f6fa;
  --gray-light:  #e8ecf4;
  --gray:        #8896b0;
  --black:       #0a0f1e;
  --transition:  0.3s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scrollbar-gutter: stable; }
body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--navy);
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { width: 100%; height: auto; display: block; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }

/* ======= SKIP LINK ======= */
.skip-link {
  position: absolute; top: -100%; left: 8px;
  background: var(--navy); color: var(--white);
  padding: 8px 16px; font-size: 0.8rem; z-index: 9999;
}
.skip-link:focus { top: 0; }

/* ======= HEADER ======= */
header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000; height: 68px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 60px;
  transition: background var(--transition), box-shadow var(--transition);
  will-change: background;
}
header.scrolled {
  background: rgba(255,255,255,0.97);
  box-shadow: 0 1px 24px rgba(15,31,61,0.08);
}
.logo {
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem; font-weight: 700;
  letter-spacing: 2px; color: var(--white);
  transition: color var(--transition);
}
.logo span { color: var(--blue-light); }
header.scrolled .logo { color: var(--navy); }
header.scrolled .logo span { color: var(--blue); }

.global-nav { display: flex; gap: 36px; list-style: none; }
.global-nav a {
  font-family: 'Outfit', sans-serif;
  font-size: 0.78rem; font-weight: 500; letter-spacing: 2px;
  color: rgba(255,255,255,0.8); transition: color var(--transition); padding: 8px 0;
}
header.scrolled .global-nav a { color: var(--gray); }
.global-nav a:hover { color: var(--blue-light); }
header.scrolled .global-nav a:hover { color: var(--blue); }

.nav-cta {
  font-family: 'Outfit', sans-serif;
  font-size: 0.75rem !important; font-weight: 600 !important;
  letter-spacing: 2px; background: var(--blue);
  color: var(--white) !important; padding: 10px 24px !important;
  border-radius: 2px;
  transition: background var(--transition), transform 0.2s !important;
}
.nav-cta:hover { background: var(--blue-light) !important; transform: translateY(-1px); }

/* ハンバーガー */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; background: none; border: none;
  padding: 10px; margin: -10px;
}
.hamburger span {
  display: block; width: 22px; height: 1.5px;
  background: var(--white);
  transition: transform 0.3s, opacity 0.3s, background var(--transition);
}
header.scrolled .hamburger span { background: var(--navy); }
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg) translate(4.5px, 4.5px); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: rotate(-45deg) translate(4.5px, -4.5px); }

/* モバイルメニュー */
.mobile-menu {
  display: none; position: fixed; inset: 0;
  background: var(--navy); z-index: 1050;
  flex-direction: column; align-items: center; justify-content: center; gap: 40px;
  opacity: 0; transition: opacity 0.4s; pointer-events: none;
}
.mobile-menu[aria-hidden="false"] { opacity: 1; pointer-events: auto; }
.mobile-menu a {
  font-family: 'Outfit', sans-serif; font-size: 1.8rem;
  font-weight: 300; color: var(--white); letter-spacing: 4px;
}

/* ======= HERO ======= */
#hero {
  position: relative; height: 100svh; min-height: 640px;
  display: flex; align-items: center;
  background: var(--navy); overflow: hidden;
}
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(74,144,217,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74,144,217,0.06) 1px, transparent 1px);
  background-size: 60px 60px; z-index: 0;
}
.hero-glow {
  position: absolute; right: -10%; top: 50%; transform: translateY(-50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(74,144,217,0.15) 0%, transparent 70%);
  z-index: 0;
}
.hero-inner {
  position: relative; z-index: 10;
  padding: 0 60px; max-width: 1100px; margin: 0 auto; width: 100%;
}
.hero-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem; letter-spacing: 4px; color: var(--blue-light);
  margin-bottom: 24px; opacity: 0; animation: fadeUp 0.8s 0.3s forwards;
  display: flex; align-items: center; gap: 12px;
}
.hero-label::before { content: ''; display: block; width: 32px; height: 1px; background: var(--blue); }
.hero-title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2.4rem, 5vw, 4.2rem); font-weight: 700;
  color: var(--white); line-height: 1.2; letter-spacing: -1px;
  margin-bottom: 24px; opacity: 0; animation: fadeUp 0.8s 0.5s forwards;
}
.hero-title em { font-style: normal; color: var(--blue-light); display: block; }
.hero-sub {
  font-size: 0.95rem; color: rgba(255,255,255,0.55);
  line-height: 2; letter-spacing: 0.5px;
  max-width: 480px; margin-bottom: 48px;
  opacity: 0; animation: fadeUp 0.8s 0.7s forwards;
}
.hero-btns {
  display: flex; gap: 16px; flex-wrap: wrap;
  opacity: 0; animation: fadeUp 0.8s 0.9s forwards;
}
.hero-stats {
  position: absolute; bottom: 48px; right: 60px;
  display: flex; gap: 48px; z-index: 10;
  opacity: 0; animation: fadeUp 0.8s 1.1s forwards;
}
.stat-item { text-align: right; }
.stat-num {
  font-family: 'Outfit', sans-serif; font-size: 2rem;
  font-weight: 700; color: var(--white); line-height: 1;
}
.stat-num span { color: var(--blue-light); font-size: 1.2rem; }
.stat-label { font-size: 0.7rem; color: rgba(255,255,255,0.4); letter-spacing: 2px; margin-top: 4px; }

/* ======= ボタン共通 ======= */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: 'Outfit', sans-serif; font-size: 0.8rem; font-weight: 600;
  letter-spacing: 2px; min-height: 52px; padding: 16px 40px; border-radius: 2px;
  transition: background var(--transition), transform 0.2s, border-color var(--transition);
  cursor: pointer;
}
.btn:hover  { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary { background: var(--blue); color: var(--white); border: 1px solid var(--blue); }
.btn-primary:hover { background: var(--blue-light); border-color: var(--blue-light); }

.btn-outline { background: transparent; color: var(--white); border: 1px solid rgba(255,255,255,0.25); }
.btn-outline:hover { border-color: var(--blue-light); background: rgba(74,144,217,0.08); }

.btn-navy { background: var(--navy); color: var(--white); border: 1px solid var(--navy); }
.btn-navy:hover { background: var(--navy-mid); }

.btn-outline-navy { background: transparent; color: var(--navy); border: 1px solid var(--navy); }
.btn-outline-navy:hover { background: var(--navy); color: var(--white); }

/* ======= セクション共通 ======= */
.section-wrap { padding: 100px 0; }
.container { max-width: 1080px; margin: 0 auto; padding: 0 60px; }

.section-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem; letter-spacing: 4px; color: var(--blue);
  display: flex; align-items: center; gap: 10px; margin-bottom: 12px;
}
.section-label::before { content: ''; display: block; width: 24px; height: 1px; background: var(--blue); }
.section-title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 700;
  color: var(--navy); letter-spacing: -0.5px; margin-bottom: 16px; line-height: 1.2;
}
.section-sub { font-size: 0.88rem; color: var(--gray); line-height: 2; max-width: 520px; }

/* ======= SERVICE ======= */
#service { background: var(--off-white); }
.service-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px; margin-top: 56px;
}
.service-card {
  background: var(--white); padding: 40px 32px;
  border: 1px solid var(--gray-light); border-radius: 4px;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--blue); transform: scaleX(0); transform-origin: left;
  transition: transform var(--transition);
}
.service-card:hover { box-shadow: 0 12px 40px rgba(15,31,61,0.1); transform: translateY(-4px); border-color: var(--blue-light); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  font-family: 'DM Mono', monospace; font-size: 0.7rem; letter-spacing: 3px;
  color: var(--blue); margin-bottom: 20px; display: block;
}
.service-name {
  font-family: 'Outfit', sans-serif; font-size: 1.15rem; font-weight: 600;
  color: var(--navy); margin-bottom: 12px; letter-spacing: -0.3px;
}
.service-desc { font-size: 0.82rem; color: var(--gray); line-height: 1.9; margin-bottom: 24px; }
.service-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  font-family: 'DM Mono', monospace; font-size: 0.65rem; letter-spacing: 1px;
  background: var(--off-white); color: var(--navy-mid);
  padding: 4px 10px; border-radius: 2px; border: 1px solid var(--gray-light);
}

/* ======= PRICE ======= */
#price { background: var(--white); }
.price-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px; margin-top: 56px; align-items: start;
}
.price-card { border: 1px solid var(--gray-light); border-radius: 4px; overflow: hidden; transition: box-shadow var(--transition); }
.price-card:hover { box-shadow: 0 12px 40px rgba(15,31,61,0.08); }
.price-card.featured { border-color: var(--blue); box-shadow: 0 8px 32px rgba(74,144,217,0.15); }
.price-header { padding: 32px 32px 24px; background: var(--off-white); border-bottom: 1px solid var(--gray-light); }
.price-card.featured .price-header { background: var(--navy); }
.price-badge {
  font-family: 'DM Mono', monospace; font-size: 0.65rem; letter-spacing: 3px;
  background: var(--blue); color: var(--white);
  padding: 4px 12px; border-radius: 2px; display: inline-block; margin-bottom: 16px;
}
.price-plan { font-family: 'Outfit', sans-serif; font-size: 1rem; font-weight: 600; color: var(--navy); letter-spacing: 1px; }
.price-card.featured .price-plan { color: var(--white); }
.price-amount { font-family: 'Outfit', sans-serif; font-size: 2.4rem; font-weight: 700; color: var(--navy); margin-top: 8px; line-height: 1; }
.price-card.featured .price-amount { color: var(--white); }
.price-amount small { font-size: 0.85rem; font-weight: 400; color: var(--gray); margin-left: 4px; }
.price-card.featured .price-amount small { color: rgba(255,255,255,0.6); }
.price-body { padding: 28px 32px 32px; }
.price-list { list-style: none; display: flex; flex-direction: column; gap: 12px; margin-bottom: 28px; }
.price-list li { font-size: 0.82rem; color: var(--gray); line-height: 1.6; display: flex; align-items: flex-start; gap: 10px; }
.price-list li::before { content: '✓'; color: var(--blue); font-weight: 700; flex-shrink: 0; margin-top: 1px; }
.btn-price {
  display: block; text-align: center;
  font-family: 'Outfit', sans-serif; font-size: 0.78rem; font-weight: 600;
  letter-spacing: 2px; padding: 14px; border-radius: 2px; min-height: 48px;
  transition: all var(--transition);
}
.btn-price-outline { border: 1px solid var(--navy); color: var(--navy); }
.btn-price-outline:hover { background: var(--navy); color: var(--white); }
.btn-price-fill { background: var(--blue); color: var(--white); border: 1px solid var(--blue); }
.btn-price-fill:hover { background: var(--blue-light); }

/* ======= PROFILE ======= */
#profile { background: var(--navy); }
.profile-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 80px; align-items: center; }
.profile-img-wrap {
  aspect-ratio: 1; border-radius: 4px; background: var(--navy-mid);
  border: 1px solid rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.profile-img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.profile-img-wrap::after {
  content: ''; position: absolute; inset: 12px;
  border: 1px solid rgba(74,144,217,0.2); border-radius: 2px; pointer-events: none;
}
.profile-label {
  font-family: 'DM Mono', monospace; font-size: 0.7rem; letter-spacing: 4px; color: var(--blue-light);
  display: flex; align-items: center; gap: 10px; margin-bottom: 12px;
}
.profile-label::before { content: ''; width: 24px; height: 1px; background: var(--blue); }
.profile-name {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700;
  color: var(--white); margin-bottom: 4px; letter-spacing: -0.5px;
}
.profile-role { font-size: 0.82rem; color: var(--blue-light); letter-spacing: 2px; margin-bottom: 28px; font-family: 'Outfit', sans-serif; }
.profile-text { font-size: 0.88rem; color: rgba(255,255,255,0.55); line-height: 2.2; margin-bottom: 36px; }
.skill-list { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 36px; }
.skill-tag {
  font-family: 'DM Mono', monospace; font-size: 0.68rem; letter-spacing: 1px;
  border: 1px solid rgba(74,144,217,0.3); color: var(--blue-light);
  padding: 6px 14px; border-radius: 2px; transition: all var(--transition);
}
.skill-tag:hover { background: rgba(74,144,217,0.1); border-color: var(--blue-light); }

/* ======= CONTACT ======= */
#contact { background: var(--off-white); }
.contact-inner { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; align-items: start; margin-top: 56px; }
.contact-info-item { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 28px; }
.contact-info-icon {
  font-family: 'DM Mono', monospace; font-size: 0.65rem; letter-spacing: 2px;
  color: var(--blue); background: rgba(74,144,217,0.08);
  border: 1px solid rgba(74,144,217,0.2); padding: 8px 10px; border-radius: 2px; white-space: nowrap;
}
.contact-info-text { font-size: 0.82rem; color: var(--gray); line-height: 1.8; }
.contact-info-text strong { color: var(--navy); font-weight: 500; display: block; margin-bottom: 2px; }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-family: 'Outfit', sans-serif; font-size: 0.72rem; font-weight: 600; letter-spacing: 2px; color: var(--navy); }
.form-input, .form-textarea {
  font-family: 'Noto Sans JP', sans-serif; font-size: 0.85rem; color: var(--navy);
  background: var(--white); border: 1px solid var(--gray-light); border-radius: 2px;
  padding: 12px 16px; transition: border-color var(--transition), box-shadow var(--transition); width: 100%;
}
.form-input:focus, .form-textarea:focus {
  outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(74,144,217,0.1);
}
.form-textarea { min-height: 140px; resize: vertical; }

/* ======= FOOTER ======= */
footer { background: var(--black); padding: 48px 0 32px; }
.footer-inner {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 28px; border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 24px; flex-wrap: wrap; gap: 24px;
}
.footer-logo { font-family: 'Outfit', sans-serif; font-size: 1.1rem; font-weight: 700; letter-spacing: 2px; color: var(--white); }
.footer-logo span { color: var(--blue); }
.footer-nav { display: flex; gap: 28px; list-style: none; flex-wrap: wrap; }
.footer-nav a { font-size: 0.72rem; color: rgba(255,255,255,0.3); letter-spacing: 1px; transition: color var(--transition); padding: 4px 0; }
.footer-nav a:hover { color: var(--blue-light); }
.copyright { text-align: center; font-size: 0.65rem; color: rgba(255,255,255,0.15); letter-spacing: 2px; font-family: 'DM Mono', monospace; }

/* ======= スクロールアニメーション ======= */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.7s ease, transform 0.7s ease; will-change: opacity, transform; }
.reveal.visible { opacity: 1; transform: translateY(0); will-change: auto; }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ======= レスポンシブ ======= */
@media (max-width: 960px) {
  .global-nav { display: none; }
  .hamburger  { display: flex; }
  .mobile-menu { display: flex; }
  header { padding: 0 24px; }
  .hero-inner { padding: 0 24px; }
  .hero-stats { right: 24px; gap: 24px; }
  .service-grid { grid-template-columns: 1fr; }
  .price-grid   { grid-template-columns: 1fr; }
  .profile-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .container { padding: 0 24px; }
}
@media (max-width: 600px) {
  .section-wrap { padding: 72px 0; }

  /* ヒーロー：タイトルサイズ修正 */
  .hero-title {
    font-size: 2rem;
    letter-spacing: -0.5px;
    line-height: 1.3;
  }
  .hero-content { padding: 0 20px 160px; }

  /* 統計：テキストと重ならないよう下部に固定 */
  .hero-stats {
    position: absolute;
    bottom: 40px;
    left: 20px;
    right: auto;
    flex-direction: row;
    gap: 32px;
  }
  .stat-item { text-align: left; }
  .stat-num  { font-size: 1.6rem; }

  /* ボタン縦並び */
  .hero-btns       { flex-direction: column; gap: 12px; }
  .hero-btns a     { text-align: center; width: 100%; max-width: 280px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}