/* ===================================
   shiro.inc Portfolio LP — v3
   Creative / Modern / Monochrome
   =================================== */

/* ---------- Reset ---------- */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; font-size:16px; }
body {
  font-family:'Noto Sans JP','Inter',sans-serif;
  color:#1a1a1a; background:#fff;
  line-height:1.8; overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body.nav-open { overflow:hidden; }
a { color:inherit; text-decoration:none; }
::selection { background:#000; color:#fff; }

/* ---------- Grain Texture Overlay ---------- */
.grain {
  position:fixed; top:0; left:0; width:100%; height:100%;
  pointer-events:none; z-index:9999; opacity:0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat:repeat; background-size:256px;
}

/* ---------- Animations ---------- */
.anim-load {
  opacity:0; transform:translateY(40px);
  transition: opacity 1s cubic-bezier(.16,1,.3,1), transform 1s cubic-bezier(.16,1,.3,1);
}
.anim-load.visible { opacity:1; transform:translateY(0); }

.scroll-reveal {
  opacity:0; transform:translateY(50px);
  transition: opacity .9s cubic-bezier(.16,1,.3,1), transform .9s cubic-bezier(.16,1,.3,1);
}
.scroll-reveal.visible { opacity:1; transform:translateY(0); }

/* ---------- Utility ---------- */
.section-label {
  font-family:'Inter',sans-serif;
  font-size:.6875rem; font-weight:500;
  letter-spacing:.3em; text-transform:uppercase;
  color:#bbb; margin-bottom:48px;
}
.section-label--light { color:#555; }

.btn {
  display:inline-flex; align-items:center; gap:10px;
  padding:16px 44px;
  font-size:.75rem; font-weight:600;
  letter-spacing:.18em; text-transform:uppercase;
  border:none; cursor:pointer;
  font-family:'Inter','Noto Sans JP',sans-serif;
  transition:all .4s cubic-bezier(.16,1,.3,1);
}
.btn-primary { background:#000; color:#fff; border:1.5px solid #000; }
.btn-primary:hover { background:transparent; color:#000; }
.btn-white { background:#fff; color:#000; border:1.5px solid #fff; }
.btn-white:hover { background:transparent; color:#fff; }

/* ---------- Header ---------- */
.header {
  position:fixed; top:0; left:0; width:100%; z-index:1000;
  transition:all .4s ease; background:transparent;
}
.header.scrolled {
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(24px); -webkit-backdrop-filter:blur(24px);
}
.header-inner {
  max-width:1440px; margin:0 auto; padding:28px 60px;
  display:flex; justify-content:space-between; align-items:center;
}
.header-logo {
  font-family:'Inter',sans-serif; font-size:.9375rem;
  font-weight:700; letter-spacing:.15em; text-transform:uppercase;
  display:flex; align-items:center; gap:10px;
}
.header-logo-img {
  height:40px; width:auto;
}
.header-nav { display:flex; gap:40px; align-items:center; }
.header-nav a {
  font-family:'Inter',sans-serif; font-size:.6875rem; font-weight:500;
  letter-spacing:.18em; text-transform:uppercase;
  transition:opacity .3s;
}
.header-nav a:hover { opacity:.4; }
.nav-cta {
  padding:10px 28px !important; border:1.5px solid #000;
  transition:all .3s !important;
}
.nav-cta:hover { background:#000; color:#fff !important; opacity:1 !important; }

/* Hamburger */
.hamburger {
  display:none; flex-direction:column; gap:8px;
  background:none; border:none; cursor:pointer; width:28px; z-index:1001;
}
.hamburger span { display:block; width:100%; height:1px; background:#000; transition:all .4s cubic-bezier(.16,1,.3,1); }
.hamburger.active span:first-child { transform:rotate(45deg) translate(6px,6px); }
.hamburger.active span:last-child { transform:rotate(-45deg) translate(6px,-6px); }

/* Mobile nav */
.mobile-nav {
  display:none; position:fixed; top:0; left:0; width:100%; height:100dvh;
  background:#fff; z-index:999; flex-direction:column;
  justify-content:center; align-items:center; gap:40px;
  opacity:0; pointer-events:none; transition:opacity .4s;
}
.mobile-nav.active { opacity:1; pointer-events:all; }
.mobile-nav a {
  font-family:'Inter',sans-serif; font-size:1.5rem; font-weight:300;
  letter-spacing:.25em; text-transform:uppercase; transition:opacity .3s;
}
.mobile-nav a:hover { opacity:.4; }

/* ---------- HERO ---------- */
.hero {
  min-height:100vh; display:flex; align-items:center;
  position:relative; overflow:hidden; background:#fafafa;
}

/* Abstract blobs */
.hero-visual { position:absolute; top:0; left:0; width:100%; height:100%; pointer-events:none; z-index:1; overflow:hidden; }
.hero-blob {
  position:absolute; border-radius:50%;
  filter:blur(80px); transition:transform .3s ease-out;
  opacity:0;
  animation-fill-mode:forwards;
}
.hero-blob--1 {
  width:500px; height:500px; top:-10%; right:5%;
  background:radial-gradient(circle, rgba(200,200,200,.55) 0%, transparent 70%);
  animation: blobFadeIn 1s ease-out 0s forwards, blobFloat1 5s ease-in-out 1s infinite;
}
.hero-blob--2 {
  width:350px; height:350px; bottom:10%; right:25%;
  background:radial-gradient(circle, rgba(180,180,180,.45) 0%, transparent 70%);
  animation: blobFadeIn 1.2s ease-out .15s forwards, blobFloat2 6s ease-in-out 1.2s infinite;
}
.hero-blob--3 {
  width:250px; height:250px; top:30%; left:5%;
  background:radial-gradient(circle, rgba(150,150,150,.35) 0%, transparent 70%);
  animation: blobFadeIn 1s ease-out .3s forwards, blobFloat3 4s ease-in-out 1s infinite;
}

/* Blob fade-in: blurry mist appearing */
@keyframes blobFadeIn {
  0%   { opacity:0; filter:blur(120px); transform:scale(.6); }
  100% { opacity:1; filter:blur(80px);  transform:scale(1); }
}

/* Blob floating animations */
@keyframes blobFloat1 {
  0%, 100% { transform:translate(0, 0) scale(1); }
  25%      { transform:translate(30px, -20px) scale(1.05); }
  50%      { transform:translate(-15px, 15px) scale(.97); }
  75%      { transform:translate(20px, 25px) scale(1.03); }
}
@keyframes blobFloat2 {
  0%, 100% { transform:translate(0, 0) scale(1); }
  30%      { transform:translate(-25px, -30px) scale(1.06); }
  60%      { transform:translate(20px, 10px) scale(.95); }
  80%      { transform:translate(-10px, 20px) scale(1.02); }
}
@keyframes blobFloat3 {
  0%, 100% { transform:translate(0, 0) scale(1); }
  20%      { transform:translate(15px, 20px) scale(1.08); }
  50%      { transform:translate(-20px, -15px) scale(.94); }
  70%      { transform:translate(25px, -10px) scale(1.04); }
}

.hero-ring {
  position:absolute; border-radius:50%; border:1px solid rgba(0,0,0,.06);
  opacity:0;
  animation: ringFadeIn 1.5s ease-out .2s forwards, ringSpin 60s linear 1.5s infinite;
}
.hero-ring--1 {
  width:620px; height:580px; top:-15%; right:-5%;
  animation-delay:.2s, 1.5s;
  border-color:rgba(0,0,0,.07) rgba(0,0,0,.03) rgba(0,0,0,.06) rgba(0,0,0,.02);
}
.hero-ring--2 {
  width:420px; height:380px; bottom:-10%; left:10%;
  animation-delay:.4s, 1.8s;
  animation-direction:normal, reverse;
  border-color:rgba(0,0,0,.03) rgba(0,0,0,.06) rgba(0,0,0,.02) rgba(0,0,0,.07);
}

@keyframes ringFadeIn {
  0%   { opacity:0; transform:scale(.85); }
  100% { opacity:1; transform:scale(1); }
}
@keyframes ringSpin {
  0%   { transform:rotate(0deg); }
  100% { transform:rotate(360deg); }
}

/* Hero Content */
.hero-content {
  position:relative; z-index:2; width:100%; max-width:1440px;
  margin:0 auto; padding:140px 60px 80px;
  display:flex; justify-content:space-between; align-items:flex-end; gap:80px;
}

.hero-left { flex:1; }

.hero-label {
  display:flex; align-items:center; gap:16px;
  font-family:'Inter',sans-serif; font-size:.625rem; font-weight:500;
  letter-spacing:.3em; text-transform:uppercase; color:#999; margin-bottom:40px;
}
.hero-label-line { width:40px; height:1px; background:#ccc; }

.hero-title {
  font-family:'Outfit','Inter',sans-serif;
  font-weight:700; line-height:.95; letter-spacing:.14em;
  text-transform:uppercase;
}
.hero-title-line {
  display:block; font-size:clamp(3.5rem,9vw,8rem); color:#000;
}
.hero-title-accent { font-style:normal; }
.dot { color:#bbb; }

.hero-right { flex:0 0 320px; padding-bottom:20px; }
.hero-copy {
  font-size:1.25rem; font-weight:700; line-height:1.8;
  letter-spacing:.06em; margin-bottom:8px;
}
.hero-copy-sub {
  font-size:.875rem; font-weight:300; line-height:2;
  color:#888; letter-spacing:.06em; margin-bottom:48px;
}

/* Side elements */
.hero-side-left {
  position:absolute; left:24px; top:50%; z-index:2;
  transform:translateY(-50%);
}
.vertical-text {
  writing-mode:vertical-lr; text-orientation:mixed;
  font-family:'Inter',sans-serif; font-size:.5625rem; font-weight:500;
  letter-spacing:.3em; text-transform:uppercase; color:#ccc;
  transform:rotate(180deg);
}
.hero-scroll {
  position:absolute; bottom:40px; right:60px; z-index:2;
  display:flex; flex-direction:column; align-items:center; gap:12px;
}
.hero-scroll span {
  font-family:'Inter',sans-serif; font-size:.5625rem; font-weight:500;
  letter-spacing:.25em; text-transform:uppercase; color:#bbb;
  writing-mode:vertical-lr;
}
.hero-scroll-line {
  width:1px; height:48px;
  background:linear-gradient(to bottom, #ccc, transparent);
  animation:pulse 2.5s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scaleY(1)} 50%{opacity:.2;transform:scaleY(.5)} }

/* ---------- HERO MARQUEE ---------- */
.hero-marquee {
  overflow:hidden; border-top:1px solid #e0e0e0; border-bottom:1px solid #e0e0e0;
  padding:20px 0; background:#fff;
}
.hero-marquee-track {
  display:flex; width:max-content;
  animation:heroMqScroll 20s linear infinite;
}
.hero-marquee-content {
  display:flex; align-items:center; flex-shrink:0;
}
.hmq-item {
  font-family:'Outfit','Inter',sans-serif; font-size:.8125rem; font-weight:600;
  letter-spacing:.2em; text-transform:uppercase; color:#1a1a1a;
  padding:0 24px; white-space:nowrap;
}
.hmq-sep {
  font-family:'Inter',sans-serif; font-size:.75rem; color:#ccc;
}
@keyframes heroMqScroll {
  0%   { transform:translateX(0); }
  100% { transform:translateX(-50%); }
}

/* ---------- ABOUT ---------- */
.about { padding:180px 60px; background:#fff; }
.about-inner { max-width:1200px; margin:0 auto; }
.about-grid {
  display:grid; grid-template-columns:1fr 1fr; gap:100px; align-items:center;
}
.about-visual { display:flex; flex-direction:column; align-items:center; gap:8px; }
.about-circle {
  width:160px; height:160px; border-radius:50%; background:#000;
  display:flex; align-items:center; justify-content:center;
  position:relative;
}
.about-circle::after {
  content:''; position:absolute; width:200px; height:200px;
  border-radius:50%; border:1px solid #e0e0e0;
  animation:circleRotate 20s linear infinite;
  pointer-events:none;
}
@keyframes circleRotate {
  0% { transform:rotate(0deg); border-style:dashed; }
  100% { transform:rotate(360deg); border-style:dashed; }
}
.about-circle-text {
  font-family:'Inter',sans-serif; font-size:2.5rem; font-weight:700;
  color:#fff; letter-spacing:.05em;
}
.about-circle-img {
  width:100%; height:100%; object-fit:cover; border-radius:50%;
}
.about-visual-line { width:1px; height:24px; background:#e0e0e0; }
.about-visual-dot { width:6px; height:6px; border-radius:50%; background:#000; }

.about-text { }
.about-name { font-family:'Hiragino Kaku Gothic ProN','Hiragino Sans','Yu Gothic',sans-serif; font-size:1.75rem; font-weight:400; letter-spacing:.1em; margin-bottom:4px; color:#bbb; }
.about-name-en {
  font-family:'Inter',sans-serif; font-size:.75rem; font-weight:400;
  color:#aaa; letter-spacing:.25em; margin-bottom:8px;
}
.about-role {
  font-family:'Inter',sans-serif; font-size:.6875rem; font-weight:500;
  letter-spacing:.18em; text-transform:uppercase; color:#999; margin-bottom:32px;
}
.about-divider { width:40px; height:1px; background:#e0e0e0; margin-bottom:32px; }
.about-copy {
  font-family:'Noto Sans JP',sans-serif;
  font-size:1.125rem; font-weight:400; line-height:2.4;
  letter-spacing:.08em; color:#333;
}

/* ---------- SERVICES ---------- */
.services { padding:0 0 180px; background:#fff; }

/* Marquee */
.marquee-section { margin-bottom:120px; }
.marquee-row { overflow:hidden; padding:18px 0; }
.marquee-row--dark { background:#000; }
.marquee-row--light { background:#f2f2f2; }
.marquee-track { display:flex; width:max-content; }
.marquee-track--left { animation:mqL 22s linear infinite; }
.marquee-track--right { animation:mqR 28s linear infinite; }
.marquee-content { display:flex; align-items:center; flex-shrink:0; }
.mq-item {
  font-family:'Inter','Noto Sans JP',sans-serif;
  font-size:.8125rem; font-weight:600;
  letter-spacing:.15em; white-space:nowrap; padding:0 24px;
}
.mq-sep { padding:0 8px; opacity:.25; font-size:.75rem; }
.marquee-row--dark .mq-item { color:#fff; }
.marquee-row--dark .mq-sep { color:#fff; }
.marquee-row--light .mq-item { color:#888; }
.marquee-row--light .mq-sep { color:#aaa; }
@keyframes mqL { 0%{transform:translateX(0)} 100%{transform:translateX(-50%)} }
@keyframes mqR { 0%{transform:translateX(-50%)} 100%{transform:translateX(0)} }

/* Services Grid */
.services-inner { max-width:1200px; margin:0 auto; padding:0 60px; }
.services-grid {
  display:grid; grid-template-columns:repeat(3,1fr); gap:16px;
}
.service-card {
  border:1px solid #eee; padding:48px 32px; cursor:pointer;
  position:relative; overflow:hidden; background:#fff;
  transition:all .5s cubic-bezier(.16,1,.3,1);
}
.service-card::before {
  content:''; position:absolute; bottom:0; left:0;
  width:100%; height:0%; background:#000;
  transition:height .5s cubic-bezier(.16,1,.3,1); z-index:0;
}
.service-card:hover::before { height:100%; }
.service-card:hover { border-color:#000; }
.service-card > * { position:relative; z-index:1; }

.service-card--large { grid-column:span 2; }

.service-num {
  font-family:'Inter',sans-serif; font-size:.625rem; font-weight:500;
  color:#ccc; letter-spacing:.25em; display:block; margin-bottom:24px;
  transition:color .4s;
}
.service-card:hover .service-num { color:rgba(255,255,255,.4); }

.service-title {
  font-family:'Noto Sans JP',sans-serif;
  font-size:1.125rem; font-weight:700; margin-bottom:12px;
  letter-spacing:.04em; transition:color .4s;
}
.service-card:hover .service-title { color:#fff; }

.service-desc {
  font-size:.75rem; color:#999; line-height:1.9;
  transition:color .4s;
}
.service-card:hover .service-desc { color:rgba(255,255,255,.6); }

.service-badge {
  display:inline-block; margin-top:16px;
  font-size:.5625rem; font-weight:600; letter-spacing:.1em;
  color:#aaa; border:1px solid #e0e0e0; padding:3px 12px;
  transition:all .4s;
}
.service-card:hover .service-badge { color:rgba(255,255,255,.5); border-color:rgba(255,255,255,.2); }

.service-arrow {
  position:absolute; bottom:32px; right:32px;
  opacity:0; transform:translate(-10px,10px);
  transition:all .5s cubic-bezier(.16,1,.3,1); color:#999;
}
.service-card:hover .service-arrow { opacity:1; transform:translate(0,0); color:#fff; }

/* Modal */
.modal-overlay {
  position:fixed; top:0; left:0; width:100%; height:100%;
  background:rgba(0,0,0,.75); backdrop-filter:blur(12px);
  z-index:2000; display:flex; align-items:center; justify-content:center;
  opacity:0; pointer-events:none; transition:opacity .4s;
}
.modal-overlay.active { opacity:1; pointer-events:all; }
.modal {
  background:#fff; max-width:520px; width:90%; padding:64px 56px;
  text-align:center; position:relative;
  transform:translateY(30px) scale(.96);
  transition:transform .5s cubic-bezier(.16,1,.3,1);
}
.modal-overlay.active .modal { transform:translateY(0) scale(1); }
.modal-close {
  position:absolute; top:24px; right:24px;
  background:none; border:none; cursor:pointer; color:#ccc;
  transition:color .3s; padding:4px;
}
.modal-close:hover { color:#000; }
.modal-num {
  font-family:'Inter',sans-serif; font-size:.625rem; font-weight:500;
  color:#ccc; letter-spacing:.25em; display:block; margin-bottom:20px;
}
.modal-title { font-family:'Noto Sans JP',sans-serif; font-size:1.5rem; font-weight:700; margin-bottom:24px; letter-spacing:.04em; }
.modal-divider { width:24px; height:1px; background:#e0e0e0; margin:0 auto 24px; }
.modal-desc { font-size:.875rem; color:#666; line-height:2.2; margin-bottom:40px; letter-spacing:.04em; }
.modal-cta { font-size:.6875rem; padding:14px 36px; }

/* ---------- CONTACT ---------- */
.contact {
  padding:180px 60px; background:#0a0a0a; color:#fff;
  position:relative; overflow:hidden;
}
.contact-visual { position:absolute; top:0; left:0; width:100%; height:100%; pointer-events:none; }
.contact-blob {
  position:absolute; border-radius:50%; filter:blur(120px);
}
.contact-blob--1 {
  width:400px; height:400px; top:-10%; right:-5%;
  background:radial-gradient(circle, rgba(60,60,60,.6) 0%, transparent 70%);
}
.contact-blob--2 {
  width:300px; height:300px; bottom:-10%; left:10%;
  background:radial-gradient(circle, rgba(40,40,40,.5) 0%, transparent 70%);
}

.contact-inner { max-width:1200px; margin:0 auto; position:relative; z-index:1; }
.contact-grid { display:grid; grid-template-columns:1fr 1fr; gap:100px; align-items:start; }

.contact-heading {
  font-family:'Noto Sans JP',sans-serif;
  font-size:clamp(2rem,4vw,3rem); font-weight:700;
  line-height:1.5; letter-spacing:.06em; margin-bottom:24px;
}
.contact-sub { font-size:.8125rem; color:#666; line-height:2.2; letter-spacing:.04em; }

.contact-form { }
.form-group { margin-bottom:28px; }
.form-group label {
  display:block; font-family:'Inter',sans-serif;
  font-size:.625rem; font-weight:500;
  letter-spacing:.25em; text-transform:uppercase;
  margin-bottom:10px; color:#555;
}
.form-group input,
.form-group textarea {
  width:100%; padding:16px 0; font-size:.9375rem;
  font-family:'Noto Sans JP','Noto Sans JP',sans-serif;
  border:none; border-bottom:1px solid #333;
  background:transparent; color:#fff; outline:none;
  transition:border-color .3s; border-radius:0;
}
.form-group input:focus,
.form-group textarea:focus { border-bottom-color:#fff; }
.form-group input::placeholder,
.form-group textarea::placeholder { color:#444; }
.form-group textarea { resize:vertical; min-height:100px; }
.btn-submit { width:100%; justify-content:center; margin-top:16px; font-size:.75rem; }

/* ---------- FOOTER ---------- */
.footer { padding:48px 60px; background:#000; border-top:1px solid #1a1a1a; }
.footer-inner { max-width:1440px; margin:0 auto; }
.footer-top {
  display:flex; justify-content:space-between; align-items:center; margin-bottom:32px;
}
.footer-logo {
  font-family:'Inter',sans-serif; font-size:.9375rem;
  font-weight:700; color:#fff; letter-spacing:.15em; text-transform:uppercase;
}
.footer-logo-dot { color:#555; }
.footer-nav { display:flex; gap:32px; }
.footer-nav a {
  font-family:'Inter',sans-serif; font-size:.625rem; font-weight:500;
  letter-spacing:.2em; text-transform:uppercase; color:#555;
  transition:color .3s;
}
.footer-nav a:hover { color:#fff; }
.footer-bottom { padding-top:32px; border-top:1px solid #1a1a1a; }
.footer-copy {
  font-family:'Inter',sans-serif; font-size:.5625rem;
  color:#333; letter-spacing:.12em;
}

/* ========== RESPONSIVE ========== */
@media (max-width:1024px) {
  .services-grid { grid-template-columns:repeat(2,1fr); }
  .service-card--large { grid-column:span 1; }
  .about-grid { gap:60px; }
  .contact-grid { gap:60px; }
  .hero-content { gap:60px; }
}

@media (max-width:768px) {
  .header-nav { display:none; }
  .hamburger { display:flex; }
  .mobile-nav { display:flex; }
  .header-inner { padding:20px 24px; }

  .hero { min-height:100dvh; }
  .hero-content {
    flex-direction:column; align-items:flex-start;
    padding:120px 24px 80px; gap:48px;
  }
  .hero-right { flex:none; width:100%; }
  .hero-title-line { font-size:clamp(2.5rem,14vw,5rem); }
  .hero-side-left { display:none; }
  .hero-scroll { right:24px; bottom:24px; }

  .about { padding:100px 24px; }
  .about-grid { grid-template-columns:1fr; gap:48px; text-align:center; }
  .about-divider { margin:0 auto 32px; }

  .services-inner { padding:0 24px; }
  .services-grid { grid-template-columns:1fr 1fr; gap:12px; }
  .service-card { padding:32px 20px; }
  .marquee-section { margin-bottom:80px; }

  .contact { padding:100px 24px; }
  .contact-grid { grid-template-columns:1fr; gap:48px; }

  .footer { padding:40px 24px; }
  .footer-top { flex-direction:column; gap:20px; }
}

@media (max-width:480px) {
  .services-grid { grid-template-columns:1fr; gap:10px; }
  .hero-title-line { font-size:clamp(2rem,13vw,3.5rem); }
  .btn { padding:14px 32px; font-size:.6875rem; }
}

/* ===== Portfolio Detail View (棚卸し済みカード=04, 05 のクリックで表示) ===== */
.portfolio-detail { display:none; padding:40px 0 20px; }
.portfolio-detail.active { display:block; animation:poFadeIn 0.32s ease; }

@keyframes poFadeIn {
  from { opacity:0; transform:translateY(8px); }
  to { opacity:1; transform:translateY(0); }
}

.po-back {
  background:transparent;
  border:none;
  color:#888;
  font-size:12px;
  letter-spacing:0.08em;
  cursor:pointer;
  padding:0;
  margin-bottom:24px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:inherit;
  transition:color 0.2s;
}
.po-back:hover { color:#111; }
.po-back svg { transition:transform 0.2s; }
.po-back:hover svg { transform:translateX(-3px); }

.po-head {
  border-bottom:1px solid #e5e5e5;
  padding-bottom:20px;
  margin-bottom:36px;
}
.po-num {
  font-size:11px;
  color:#999;
  font-weight:700;
  letter-spacing:0.12em;
  margin:0;
}
.po-title {
  font-size:clamp(1.75rem, 4vw, 2.25rem);
  font-weight:800;
  margin:6px 0 4px;
}
.po-en {
  font-size:12px;
  color:#999;
  letter-spacing:0.05em;
  margin:0;
}

.po-section { margin-bottom:44px; }
.po-section:last-child { margin-bottom:0; }

.po-co-head {
  display:flex;
  align-items:baseline;
  gap:14px;
  margin-bottom:16px;
}
.po-co-name { font-size:18px; font-weight:800; }
.po-co-cat { font-size:11px; color:#888; letter-spacing:0.05em; }
.po-co-count {
  margin-left:auto;
  font-size:11px;
  color:#aaa;
  font-weight:700;
  letter-spacing:0.08em;
}

.po-grid {
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:16px;
}

.po-item {
  display:block;
  position:relative;
  overflow:hidden;
  border-radius:4px;
  background:transparent;
  border:1px solid #e5e5e5;
  cursor:pointer;
  text-decoration:none;
  transition:transform 0.25s, box-shadow 0.25s;
}
.po-item:hover {
  transform:translateY(-4px);
  box-shadow:0 12px 28px -14px rgba(0,0,0,0.25);
}

.po-grid--image .po-item { aspect-ratio:16 / 9; }
.po-grid--video .po-item { aspect-ratio:9 / 16; }

.po-thumb {
  width:100%;
  height:100%;
  object-fit:contain;
  display:block;
}

.po-item::after {
  content:"↗";
  position:absolute;
  top:10px;
  right:12px;
  width:28px;
  height:28px;
  background:rgba(0,0,0,0.7);
  color:#fff;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  opacity:0;
  transform:translate(-4px, 4px);
  transition:all 0.25s;
  z-index:2;
}
.po-item:hover::after {
  opacity:1;
  transform:translate(0, 0);
}

@media (max-width:768px) {
  .po-grid { grid-template-columns:repeat(2, 1fr); gap:10px; }
  .po-co-head { flex-wrap:wrap; gap:6px 14px; }
  .po-co-count { margin-left:0; }
}

/* ===== About note実績カード ===== */
.about-stats {
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:12px;
  margin:24px 0 0;
  padding:0;
  list-style:none;
  max-width:420px;
}
.about-stats li {
  padding:14px 12px;
  background:#fafafa;
  border:1px solid #e5e5e5;
  border-radius:4px;
  text-align:center;
}
.about-stats-num {
  font-size:20px;
  font-weight:800;
  color:#111;
  display:block;
  letter-spacing:0.02em;
}
.about-stats-lbl {
  font-size:9px;
  color:#888;
  letter-spacing:0.08em;
  margin-top:2px;
  display:block;
}

@media (max-width:480px) {
  .about-stats { max-width:none; }
  .about-stats li { padding:12px 8px; }
  .about-stats-num { font-size:18px; }
}

/* ===== Aboutアイコン → noteリンク ===== */
.about-circle-link {
  display:block;
  width:100%;
  height:100%;
  border-radius:50%;
  overflow:hidden;
  transition:box-shadow 0.3s ease;
}
.about-circle-link:hover {
  box-shadow:0 8px 24px -8px rgba(0,0,0,0.25);
}
.about-circle-link .about-circle-img {
  transition:transform 0.4s ease;
}
.about-circle-link:hover .about-circle-img {
  transform:scale(1.05);
}