/* ===== RESET ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"M PLUS Rounded 1c","Hiragino Maru Gothic ProN",sans-serif;
  font-weight:500;
  color:#0a0a0a;
  background:#fff;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
img,svg{display:block;max-width:100%}
button{background:none;border:0;cursor:pointer;font:inherit;color:inherit}
strong{font-weight:800;background:linear-gradient(transparent 65%,#ffe97a 65%);padding:0 2px;color:inherit}
/* 暗い背景上の strong は可読性のため反転ハイライトに */
.strength-card.highlight strong,
.claude-banner strong,
.contact strong{
  background:#ffe97a;color:#0a0a0a;
  padding:2px 8px;border-radius:6px;
  box-decoration-break:clone;-webkit-box-decoration-break:clone;
}

:root{
  --ink:#0a0a0a;
  --ink-2:#1a1a1a;
  --gray:#888;
  --line:#e8e8e8;
  --bg:#fff;
  --bg-2:#f6f6f4;
  --bg-dark:#0a0a0a;
  --pop:"Fredoka","M PLUS Rounded 1c",sans-serif;
  --container:1200px;
  --radius:20px;
}
body.dark strong{background:linear-gradient(transparent 65%,#ffe97a 65%);color:#0a0a0a}

.container{max-width:var(--container);margin:0 auto;padding:0 32px}

.sp-only{display:none}
.pc-only{display:inline}
@media (max-width:640px){
  .sp-only{display:inline}
  .pc-only{display:none}
}

/* ===== TONE SWITCH ===== */
body.tone-casual .tone,
body.tone-normal .tone,
body.tone-formal .tone{display:none}
body.tone-casual .tone.tone-casual,
body.tone-normal .tone.tone-normal,
body.tone-formal .tone.tone-formal{display:inline}

.tone-switch{
  position:fixed;top:92px;right:24px;z-index:200;
  display:flex;flex-direction:column;align-items:center;gap:8px;
  background:#fff;border:3px solid var(--ink);border-radius:18px;
  padding:10px 12px 10px;box-shadow:6px 6px 0 var(--ink);
  font-family:var(--pop),"M PLUS Rounded 1c",sans-serif;
  transition:transform .3s ease,box-shadow .3s ease;
}
.tone-switch:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 var(--ink)}
.tone-switch-label{
  display:flex;flex-direction:column;align-items:center;gap:2px;
  padding:2px 14px 4px;position:relative;
  color:#0a0a0a;white-space:nowrap;
}
.tone-switch-label::before{
  content:"▼";position:absolute;left:-2px;top:50%;transform:translateY(-50%);
  font-size:9px;color:#ff3d7f;
}
.tone-switch-label::after{
  content:"▼";position:absolute;right:-2px;top:50%;transform:translateY(-50%);
  font-size:9px;color:#ff3d7f;
}
.tone-switch-label-main{
  font-size:15px;font-weight:900;letter-spacing:.15em;
  background:linear-gradient(90deg,#ff3d7f,#ffbe0b,#3a86ff,#ff3d7f);
  background-size:200% 100%;
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
  animation:rainbowSlide 4s linear infinite;
}
.tone-switch-label-sub{
  font-size:9px;font-weight:800;letter-spacing:.05em;
  color:#ff3d7f;
}
.tone-switch-group{display:flex;gap:4px;background:#f3f3ef;border-radius:999px;padding:4px}
.tone-switch button{
  font-family:inherit;font-size:12px;font-weight:800;
  padding:8px 14px;border-radius:999px;color:#666;
  transition:background .25s ease,color .25s ease,transform .2s ease;
  white-space:nowrap;
}
.tone-switch button:hover{color:#0a0a0a}
.tone-switch button.active{
  background:#0a0a0a;color:#fff;
}
@media (max-width:960px){
  .tone-switch{top:auto;bottom:18px;right:50%;transform:translateX(50%);padding:8px 10px}
  .tone-switch:hover{transform:translateX(50%) translate(-2px,-2px)}
  .tone-switch-label-main{font-size:13px}
  .tone-switch-label-sub{font-size:9px}
  .tone-switch button{font-size:11px;padding:7px 11px}
}
@media (max-width:400px){
  .tone-switch{padding:6px 8px}
  .tone-switch-label-main{font-size:12px}
  .tone-switch-label-sub{font-size:8px}
}

/* ===== HEADER ===== */
.header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:20px 0;
  transition:background .4s ease,padding .4s ease,box-shadow .4s ease;
}
.header.scrolled{
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding:14px 0;
  box-shadow:0 4px 24px rgba(0,0,0,.06);
}
.header-inner{
  max-width:1400px;margin:0 auto;padding:0 40px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.logo{display:flex;align-items:center;gap:12px}
.logo-mark{
  width:48px;height:48px;background:#fff;border:2px solid var(--ink);border-radius:50%;
  display:grid;place-items:center;box-shadow:4px 4px 0 var(--ink);
  transition:transform .3s;
}
.logo:hover .logo-mark{transform:rotate(-8deg)}
.logo-mark svg{width:32px;height:32px}
.logo-text{font-size:13px;font-weight:800;line-height:1.3;letter-spacing:.02em}

.nav ul{display:flex;gap:36px}
.nav a{
  font-size:14px;font-weight:700;padding:8px 2px;position:relative;
}
.nav a::after{
  content:"";position:absolute;left:50%;right:50%;bottom:2px;height:3px;background:var(--ink);border-radius:2px;
  transition:.35s ease;
}
.nav a:hover::after{left:0;right:0}

.menu-toggle{display:none;width:44px;height:44px;border:2px solid var(--ink);border-radius:12px;position:relative;background:#fff;box-shadow:3px 3px 0 var(--ink)}
.menu-toggle span{position:absolute;left:10px;right:10px;height:2.5px;background:var(--ink);border-radius:2px;transition:.3s}
.menu-toggle span:nth-child(1){top:13px}
.menu-toggle span:nth-child(2){top:20px}
.menu-toggle span:nth-child(3){top:27px}
.menu-toggle.open span:nth-child(1){top:20px;transform:rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){top:20px;transform:rotate(-45deg)}

/* ===== HERO ===== */
.hero{
  position:relative;min-height:100vh;padding:150px 0 120px;
  background:#fafaf7;
  overflow:hidden;
}
.hero-dots{
  position:absolute;inset:0;
  background-image:radial-gradient(#0a0a0a 1.5px,transparent 1.5px);
  background-size:30px 30px;
  opacity:.08;
  mask-image:radial-gradient(ellipse at center,#000 40%,transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse at center,#000 40%,transparent 80%);
}
.hero-inner{
  position:relative;z-index:2;
  max-width:1400px;margin:0 auto;padding:0 40px;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:center;
  min-height:calc(100vh - 270px);
}
.hero-copy,.hero-visual{min-width:0}
.tag{
  display:inline-block;background:#0a0a0a;color:#fff;
  padding:8px 20px;border-radius:999px;font-size:12px;font-weight:700;
  margin-bottom:28px;letter-spacing:.05em;
}
.hero-title{
  font-size:clamp(34px,6.4vw,92px);
  line-height:1.2;font-weight:900;letter-spacing:-.02em;
  margin-bottom:36px;
  word-break:keep-all;overflow-wrap:break-word;
}
.hero-title > span{display:block}
.hero-title .hl{
  display:inline-block;
  background:#0a0a0a;color:#fff;padding:0 16px 4px;border-radius:14px;
  transform:rotate(-1.5deg);margin-top:6px;
}
.hero-lead{
  font-size:16px;line-height:2.1;color:#333;margin-bottom:40px;max-width:560px;font-weight:500;
  word-break:keep-all;overflow-wrap:break-word;
}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}

.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:18px 34px;font-size:14px;font-weight:800;
  border-radius:999px;transition:all .3s ease;border:2.5px solid var(--ink);
  position:relative;
}
.btn span{transition:transform .3s;display:inline-block;font-weight:700}
.btn:hover span{transform:translateX(6px)}
.btn-primary{background:var(--ink);color:#fff;box-shadow:5px 5px 0 var(--ink)}
.btn-primary:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 var(--ink)}
.btn-ghost{background:#fff;color:var(--ink);box-shadow:5px 5px 0 var(--ink)}
.btn-ghost:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 var(--ink)}
.btn-large{padding:22px 48px;font-size:15px}

/* タコ ヒーロー */
.hero-visual{position:relative;display:grid;place-items:center}
.octo-stage{position:relative;width:min(560px,100%);aspect-ratio:1;margin-inline:auto}
.blob{
  position:absolute;inset:8%;background:#0a0a0a;border-radius:46% 54% 60% 40% / 50% 42% 58% 50%;
  opacity:.06;animation:blob 12s ease-in-out infinite;
}
@keyframes blob{
  0%,100%{border-radius:46% 54% 60% 40% / 50% 42% 58% 50%;transform:scale(1)}
  50%{border-radius:62% 38% 44% 56% / 48% 60% 40% 52%;transform:scale(1.05)}
}
.octo{
  position:relative;z-index:3;width:100%;height:100%;
  filter:drop-shadow(10px 14px 0 rgba(10,10,10,.12));
  animation:float 5s ease-in-out infinite;
}
@keyframes float{
  0%,100%{transform:translateY(0) rotate(-3deg)}
  50%{transform:translateY(-20px) rotate(3deg)}
}
.sparkle{
  position:absolute;font-size:28px;font-weight:900;color:#0a0a0a;z-index:4;
  animation:twinkle 2.4s ease-in-out infinite;
}
.sparkle.s1{top:8%;left:10%;animation-delay:0s}
.sparkle.s2{top:20%;right:8%;animation-delay:.6s;font-size:22px}
.sparkle.s3{bottom:18%;right:12%;animation-delay:1.2s;font-size:32px}
.sparkle.s4{bottom:10%;left:18%;animation-delay:1.8s;font-size:20px}
.octo-label{
  position:absolute;right:6%;bottom:12%;z-index:5;
  background:#fff;border:2.5px solid #0a0a0a;border-radius:999px;
  padding:5px 14px;font-size:13px;font-weight:800;color:#0a0a0a;
  box-shadow:3px 3px 0 #0a0a0a;
  animation:twinkle 3s ease-in-out infinite;
}
@keyframes twinkle{0%,100%{transform:scale(.6);opacity:.3}50%{transform:scale(1.1);opacity:1}}

.marquee{
  position:absolute;left:0;right:0;bottom:0;z-index:4;
  background:#0a0a0a;color:#fff;overflow:hidden;padding:20px 0;
  border-top:3px solid #0a0a0a;
}
.marquee-track{
  display:flex;gap:40px;white-space:nowrap;
  animation:marquee 28s linear infinite;
  font-size:16px;font-weight:700;letter-spacing:.05em;
}
.marquee-track span{display:inline-block}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ===== SECTION BASE ===== */
.section{padding:140px 0;position:relative}
.section-head{margin-bottom:70px;max-width:780px}
.section-head.center{margin:0 auto 70px;text-align:center}
.eyebrow{
  font-family:var(--pop);
  font-size:13px;font-weight:700;letter-spacing:.25em;
  margin-bottom:18px;color:#0a0a0a;
  display:inline-block;padding:6px 16px;border:2px solid #0a0a0a;border-radius:999px;
}
.section-title{
  font-size:clamp(28px,4.6vw,60px);font-weight:900;line-height:1.3;letter-spacing:-.01em;
  word-break:keep-all;overflow-wrap:break-word;
}
.section-sub{margin-top:22px;color:#555;font-size:15px;font-weight:500}

/* ===== ABOUT ===== */
.about{background:#fff}
.about-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:80px;align-items:center}
.about-name{font-size:32px;font-weight:900;margin-bottom:4px}
.about-name span{font-family:var(--pop);font-size:16px;font-weight:500;opacity:.5;margin-left:10px}
.about-belong{
  display:inline-block;background:#fff;color:#0a0a0a;
  border:2px solid #0a0a0a;border-radius:999px;padding:6px 18px;
  font-size:13px;font-weight:700;margin-bottom:30px;
}
.about-text .about-lead{font-size:19px;line-height:2;margin-bottom:22px;font-weight:700}
.about-text p{color:#333;margin-bottom:22px;font-size:15px}

.about-card{
  position:relative;aspect-ratio:3/4;background:#0a0a0a;
  border-radius:var(--radius);
  padding:0;display:grid;place-items:center;
  box-shadow:10px 10px 0 #0a0a0a;border:3px solid #0a0a0a;
  overflow:hidden;
}
.about-photo{
  width:100%;height:100%;object-fit:cover;object-position:center top;
  display:block;
}

/* ===== STRENGTH ===== */
.strength{background:#fafaf7}
.strength-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-bottom:80px}
.strength-card{
  background:#fff;border:3px solid #0a0a0a;border-radius:var(--radius);
  padding:44px 34px;position:relative;box-shadow:8px 8px 0 #0a0a0a;
  transition:transform .3s,box-shadow .3s;
}
.strength-card:hover{transform:translate(-3px,-3px);box-shadow:11px 11px 0 #0a0a0a}
.strength-card.highlight{background:#0a0a0a;color:#fff;border-color:#0a0a0a}
.strength-card.highlight p{color:#ddd}
.strength-card.highlight h3{color:#fff}
.strength-card .num{
  position:absolute;top:24px;right:28px;
  font-family:var(--pop);font-size:18px;font-weight:700;opacity:.4;
}
.strength-card .icon{
  font-size:42px;margin-bottom:18px;display:inline-block;
  animation:wiggle 3s ease-in-out infinite;
}
.strength-card:nth-child(2) .icon{animation-delay:.5s}
.strength-card:nth-child(3) .icon{animation-delay:1s}
@keyframes wiggle{0%,100%{transform:rotate(-6deg)}50%{transform:rotate(6deg)}}
.strength-card h3{font-size:22px;font-weight:900;margin-bottom:14px;line-height:1.4}
.strength-card p{font-size:14px;line-height:1.9;color:#444}

.claude-banner{
  background:#0a0a0a;color:#fff;border-radius:var(--radius);
  padding:60px 60px;display:grid;grid-template-columns:1.5fr 1fr;gap:40px;align-items:center;
  box-shadow:10px 10px 0 #ffe97a,10px 10px 0 3px #0a0a0a;
  border:3px solid #0a0a0a;
  position:relative;overflow:hidden;
}
.claude-banner::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(#fff 1px,transparent 1px);
  background-size:24px 24px;opacity:.06;
}
.claude-banner-text{position:relative}
.claude-banner .eyebrow{background:#fff;color:#0a0a0a;border-color:#fff;margin-bottom:16px}
.claude-banner h3{font-size:clamp(26px,3vw,36px);font-weight:900;margin-bottom:18px;line-height:1.35}
.claude-banner p{font-size:15px;color:#ddd;line-height:1.95}
.claude-banner-deco{
  display:flex;flex-direction:column;gap:14px;align-items:center;position:relative;
  font-family:var(--pop);
}
.claude-banner-deco span{
  background:#fff;color:#0a0a0a;padding:14px 24px;border-radius:14px;
  font-size:20px;font-weight:800;border:3px solid #0a0a0a;
}
.claude-banner-deco span:nth-child(1){transform:rotate(-5deg)}
.claude-banner-deco span:nth-child(2){transform:rotate(4deg);margin-left:20px}
.claude-banner-deco span:nth-child(3){transform:rotate(-3deg);background:#0a0a0a;color:#fff;border-color:#fff}

/* ===== WORKS ===== */
.works{background:#fff}
.works-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:50px 40px}
.work-card{display:block;transition:transform .4s}
.work-card:hover{transform:translateY(-6px)}
.work-img{
  aspect-ratio:4/3;background:#0a0a0a;
  border-radius:var(--radius);overflow:hidden;position:relative;
  border:3px solid #0a0a0a;box-shadow:8px 8px 0 #0a0a0a;
  background-image:
    linear-gradient(135deg,#0a0a0a 0%,#262626 50%,#0a0a0a 100%),
    radial-gradient(#fff 1px,transparent 1px);
}
.work-img::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(#fff 1.2px,transparent 1.2px);
  background-size:22px 22px;opacity:.08;
}
.work-img::after{
  content:attr(data-label);
  position:absolute;inset:0;display:grid;place-items:center;
  font-family:var(--pop);font-size:28px;font-weight:800;color:rgba(255,255,255,.55);
  letter-spacing:.1em;
}
.work-img-live{background:#fafaf7;background-image:none}
.work-img-live::before{display:none}
.work-img-live::after{display:none}
.site-preview{
  position:absolute;top:0;left:0;
  width:1600px;height:1200px;
  border:0;pointer-events:none;
  transform:scale(.3);transform-origin:0 0;
  background:#fafaf7;
}
.in-frame .site-preview{display:none}
.in-frame .work-img-live{background:#0a0a0a;background-image:linear-gradient(135deg,#0a0a0a 0%,#262626 50%,#0a0a0a 100%)}
.in-frame .tone-switch{display:none}
.in-frame body,.in-frame{scroll-behavior:auto}

.work-img .badge{
  position:absolute;top:18px;left:18px;z-index:2;
  background:#fff;color:#0a0a0a;border:2px solid #0a0a0a;border-radius:10px;
  padding:6px 14px;font-family:var(--pop);font-weight:800;font-size:14px;
}
.work-meta{padding-top:26px}
.work-meta .cat{
  display:inline-block;font-size:12px;font-weight:700;
  padding:5px 14px;background:#0a0a0a;color:#fff;border-radius:999px;margin-bottom:14px;
}
.work-meta h3{font-size:24px;font-weight:900;margin-bottom:10px;line-height:1.4}
.work-meta p{font-size:14px;color:#555;line-height:1.9}

/* ===== CONTACT ===== */
.contact{
  background:#0a0a0a;color:#fff;padding:150px 0;position:relative;overflow:hidden;
}
.contact::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(#fff 1.4px,transparent 1.4px);
  background-size:30px 30px;opacity:.08;
}
.contact-inner{position:relative;max-width:780px;text-align:center;margin:0 auto}
.contact .eyebrow{background:#fff;color:#0a0a0a;border-color:#fff}
.contact-title{color:#fff;margin-bottom:28px}
.contact-lead{color:#bbb;margin-bottom:44px;font-size:15px;line-height:2;word-break:keep-all;overflow-wrap:break-word}
.contact .btn-primary{background:#fff;color:var(--ink);border-color:#fff;box-shadow:5px 5px 0 #ffe97a}
.contact .btn-primary:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 #ffe97a}
.contact-note{margin-top:24px;font-size:12px;color:#888}

/* ===== CONTACT ACTIONS & SOCIALS ===== */
.contact-actions{margin:20px 0 48px;display:flex;justify-content:center}
.contact-form-btn{font-size:16px}

.contact-socials{margin-top:40px;padding-top:40px;border-top:1px dashed rgba(255,255,255,.2)}
.contact-socials-label{
  color:#bbb;font-size:13px;font-weight:800;
  letter-spacing:.12em;margin-bottom:26px;
}
.social-list{
  list-style:none;padding:0;margin:0;
  display:flex;justify-content:center;gap:32px;flex-wrap:wrap;
}
.social-list li{position:relative}
.social-btn{
  position:relative;display:grid;place-items:center;
  width:68px;height:68px;border-radius:50%;
  background:#fff;border:3px solid #0a0a0a;
  box-shadow:5px 5px 0 #ffe97a;
  color:#0a0a0a;text-decoration:none;
  transition:transform .3s cubic-bezier(.3,1.5,.5,1),box-shadow .3s ease,background .3s ease;
}
.social-btn svg{
  width:30px;height:30px;
  stroke:#0a0a0a;fill:none;stroke-width:2;
  stroke-linecap:round;stroke-linejoin:round;
  transition:stroke .3s ease;
}
.social-btn:hover{
  transform:translate(-3px,-3px) rotate(-6deg);
  box-shadow:8px 8px 0 #ffe97a;
}
.social-btn.social-cw:hover{background:#ffe038}
.social-btn.social-mail:hover{background:#a8e6cf}
.social-btn.social-ig:hover{background:linear-gradient(135deg,#feda75,#fa7e1e,#d62976,#962fbf)}
.social-btn.social-ig:hover svg{stroke:#fff}

.social-label{
  position:absolute;bottom:-26px;left:50%;transform:translateX(-50%);
  font-size:11px;font-weight:800;color:#bbb;
  white-space:nowrap;letter-spacing:.08em;
  transition:color .3s ease;
  pointer-events:none;
}
.social-btn:hover + .social-label,
.social-list li:hover .social-label{color:#fff}

@media (max-width:640px){
  .social-list{gap:24px}
  .social-btn{width:60px;height:60px}
  .social-btn svg{width:26px;height:26px}
  .contact-socials{margin-top:44px;padding-top:36px}
  .contact-socials-label{font-size:12px}
}

/* ===== CONTACT FORM ===== */
.contact-form{
  display:grid;gap:22px;text-align:left;
  background:#fff;color:#0a0a0a;
  border:3px solid #fff;border-radius:var(--radius);
  padding:44px;margin-top:10px;
  box-shadow:10px 10px 0 #ffe97a,10px 10px 0 3px #0a0a0a;
}
.form-row{display:flex;flex-direction:column;gap:10px}
.form-row label{
  font-size:13px;font-weight:800;color:#0a0a0a;letter-spacing:.03em;
}
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form select,
.contact-form textarea{
  font-family:inherit;font-size:15px;font-weight:500;color:#0a0a0a;
  background:#fafaf7;border:2.5px solid #0a0a0a;border-radius:12px;
  padding:14px 18px;width:100%;
  transition:box-shadow .25s ease,transform .2s ease,background .25s ease;
  -webkit-appearance:none;appearance:none;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder{color:#999;font-weight:500}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus{
  outline:none;background:#fff;
  box-shadow:4px 4px 0 #0a0a0a;transform:translate(-2px,-2px);
}
.contact-form textarea{resize:vertical;min-height:140px;line-height:1.8}
.select-wrap{position:relative}
.select-wrap::after{
  content:"▾";position:absolute;right:18px;top:50%;transform:translateY(-50%);
  font-size:18px;font-weight:800;pointer-events:none;color:#0a0a0a;
}
.contact-form select{padding-right:44px;cursor:pointer}
.form-submit{display:flex;justify-content:center;margin-top:10px}
.contact .contact-form .btn-primary{
  background:#0a0a0a;color:#fff;border-color:#0a0a0a;
  box-shadow:5px 5px 0 #ffe97a;cursor:pointer;
}
.contact .contact-form .btn-primary:hover{
  transform:translate(-2px,-2px);box-shadow:7px 7px 0 #ffe97a;
}
@media (max-width:640px){
  .contact-form{padding:30px 22px;gap:18px}
  .contact-form input[type="text"],
  .contact-form input[type="email"],
  .contact-form select,
  .contact-form textarea{font-size:14px;padding:12px 16px}
}

/* ===== FOOTER ===== */
.footer{background:#0a0a0a;color:#fff;padding:36px 0;border-top:1px solid rgba(255,255,255,.1)}
.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;width:100%}
.footer-brand{display:flex;align-items:center;gap:12px;font-size:15px;font-weight:800}
.footer-nav{flex:0 0 100%;text-align:center;font-size:13px;margin:8px 0}
.footer-nav a{color:#bbb;text-decoration:none;transition:color .25s ease;border-bottom:1px solid #bbb}
.footer-nav a:hover{color:#fff;border-bottom-color:#fff}
.footer-brand svg{background:#fff;border-radius:50%;padding:4px}
.footer .copy{font-size:12px;color:#888;font-weight:500}

/* ===== REVEAL ===== */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .9s ease,transform .9s ease}
.reveal.in{opacity:1;transform:none}

/* ===== RESPONSIVE ===== */
@media (max-width:1100px){
  .hero-inner{padding:0 32px;gap:30px}
  .header-inner{padding:0 32px}
  .section{padding:120px 0}
  .claude-banner{padding:50px 44px}
}
@media (max-width:960px){
  .hero{padding:120px 0 110px;min-height:auto}
  .hero-inner{grid-template-columns:1fr;gap:30px;min-height:auto;text-align:left;padding:0 24px}
  .hero-copy{display:flex;flex-direction:column;align-items:flex-start}
  .hero-lead{margin-left:0;margin-right:auto;font-size:15px;line-height:2}
  .hero-cta{justify-content:flex-start}
  .hero-visual{order:-1}
  .octo-stage{width:min(300px,72%)}
  .tag{margin-bottom:22px}
  .hero-title{margin-bottom:28px}
  .about-grid{grid-template-columns:1fr;gap:50px}
  .about-card{max-width:420px;margin:0 auto;width:100%}
  .strength-grid{grid-template-columns:1fr;gap:24px;margin-bottom:60px}
  .claude-banner{grid-template-columns:1fr;padding:44px 32px;gap:30px;text-align:center}
  .claude-banner-text{text-align:left}
  .claude-banner-deco{flex-direction:row;justify-content:center;flex-wrap:wrap}
  .claude-banner-deco span:nth-child(2){margin-left:0}
  .works-grid{grid-template-columns:1fr;gap:44px}
  .section{padding:90px 0}
  .section-head{margin-bottom:50px}
  .section-head.center{margin-bottom:50px}
  .nav{
    position:fixed;top:0;right:0;bottom:0;width:82%;max-width:320px;background:#fff;
    padding:110px 40px;transform:translateX(100%);transition:transform .5s cubic-bezier(.7,0,.3,1);
    border-left:3px solid var(--ink);box-shadow:-10px 0 30px rgba(0,0,0,.1);
  }
  .nav.open{transform:none}
  .nav ul{flex-direction:column;gap:28px}
  .nav a{font-size:18px;font-weight:800}
  .menu-toggle{display:block;z-index:110}
  .header-inner{padding:0 20px}
  .container{padding:0 26px}
  .logo-text{font-size:12px}
  .logo-mark{width:42px;height:42px}
  .logo-mark svg{width:28px;height:28px}
  .marquee{padding:16px 0}
  .marquee-track{font-size:14px;gap:30px}
  .contact{padding:100px 0}
  .footer-inner{flex-direction:column;text-align:center}
}
@media (max-width:640px){
  .hero{padding:110px 0 100px}
  .hero-title{font-size:clamp(28px,8.2vw,44px);line-height:1.25}
  .hero-inner{padding:0 18px}
  .hero-title .hl{padding:2px 14px 4px;margin-top:10px}
  .hero-lead{font-size:14px;line-height:2}
  .hero-lead br.sp-only{display:none}
  .about-name{font-size:26px}
  .about-text .about-lead{font-size:17px}
  .about-text p{font-size:14px}
  .about-card{max-width:360px}
  .about-card-caption{left:20px;bottom:20px;padding:8px 14px;font-size:13px}
  .strength-card{padding:36px 26px}
  .strength-card h3{font-size:20px}
  .claude-banner{padding:36px 24px}
  .claude-banner h3{font-size:24px}
  .claude-banner p{font-size:14px}
  .claude-banner-deco span{font-size:15px;padding:10px 18px}
  .work-meta h3{font-size:20px}
  .btn{padding:16px 26px;font-size:13px}
  .btn-large{padding:18px 28px;font-size:14px}
  .contact-lead{font-size:14px}
  .container{padding:0 24px}
  .section{padding:80px 0}
  .section-head{margin-bottom:42px}
  .hero-cta{gap:12px;width:100%}
  .hero-cta .btn{flex:1 1 auto;justify-content:center;min-width:0}
  .about-card{box-shadow:6px 6px 0 #0a0a0a}
  .strength-card{box-shadow:5px 5px 0 #0a0a0a}
  .strength-card:hover{box-shadow:7px 7px 0 #0a0a0a;transform:translate(-2px,-2px)}
  .claude-banner{box-shadow:6px 6px 0 #ffe97a,6px 6px 0 3px #0a0a0a}
  .work-img{box-shadow:5px 5px 0 #0a0a0a}
  .btn-primary{box-shadow:3px 3px 0 var(--ink)}
  .btn-primary:hover{box-shadow:5px 5px 0 var(--ink)}
  .btn-ghost{box-shadow:3px 3px 0 var(--ink)}
  .btn-ghost:hover{box-shadow:5px 5px 0 var(--ink)}
  .social-btn{box-shadow:3px 3px 0 #ffe97a}
  .contact .btn-primary{box-shadow:3px 3px 0 #ffe97a}
}
@media (max-width:400px){
  .hero-title{font-size:26px}
  .hero-inner{padding:0 14px}
  .hero-title .hl{padding:2px 10px 3px}
  .logo-text{font-size:11px}
  .logo-mark{width:38px;height:38px}
  .claude-banner-deco span{font-size:14px;padding:8px 14px}
  .section-title{font-size:26px}
  .marquee-track{font-size:13px;gap:24px}
  .about-card{box-shadow:4px 4px 0 #0a0a0a}
  .strength-card{box-shadow:4px 4px 0 #0a0a0a}
  .claude-banner{box-shadow:4px 4px 0 #ffe97a,4px 4px 0 3px #0a0a0a}
  .work-img{box-shadow:4px 4px 0 #0a0a0a}
  .container{padding:0 18px}
}

/* =========================================
   ド派手アニメーション  FLASHY MODE
   ========================================= */

/* ---- 1. ヒーロー背景: 虹色グラデが流れる ---- */
.hero{
  background:linear-gradient(120deg,#fafaf7 0%,#fff4d6 20%,#ffe0f0 40%,#e0f4ff 60%,#e8ffd9 80%,#fafaf7 100%);
  background-size:300% 300%;
  animation:heroGradient 14s ease-in-out infinite;
  position:relative;overflow:hidden;
}
@keyframes heroGradient{
  0%,100%{background-position:0% 50%}
  50%{background-position:100% 50%}
}

/* ---- 2. ヒーロー 紙吹雪ドット ---- */
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  background-image:
    radial-gradient(circle at 10% 20%,#ff5aa0 0 6px,transparent 7px),
    radial-gradient(circle at 25% 70%,#ffe038 0 5px,transparent 6px),
    radial-gradient(circle at 40% 30%,#4ad0ff 0 4px,transparent 5px),
    radial-gradient(circle at 60% 80%,#6bff8e 0 6px,transparent 7px),
    radial-gradient(circle at 80% 25%,#b78bff 0 5px,transparent 6px),
    radial-gradient(circle at 92% 65%,#ff8a4a 0 4px,transparent 5px);
  background-size:600px 600px;
  animation:confetti 8s linear infinite;
  opacity:.7;
}
@keyframes confetti{
  0%{background-position:0 0,0 0,0 0,0 0,0 0,0 0}
  100%{background-position:0 600px,0 -600px,0 600px,0 -600px,0 600px,0 -600px}
}
.hero-inner,.marquee{position:relative;z-index:1}

/* ---- 3. ヒーロータイトル: レインボー文字 + 揺れ ---- */
.hero-title{
  background:linear-gradient(90deg,#ff3d7f,#ffbe0b,#3ddc97,#3a86ff,#b74bff,#ff3d7f);
  background-size:300% 100%;
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
  animation:rainbowSlide 6s linear infinite,titleBob 4s ease-in-out infinite;
  filter:drop-shadow(4px 4px 0 rgba(10,10,10,.15));
}
.hero-title .hl{
  -webkit-text-fill-color:#0a0a0a;color:#0a0a0a;
  background:#ffe038;
  animation:hlPulse 1.6s ease-in-out infinite;
}
@keyframes rainbowSlide{to{background-position:300% 0}}
@keyframes titleBob{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes hlPulse{
  0%,100%{box-shadow:6px 6px 0 #0a0a0a,0 0 0 0 rgba(255,224,56,.9)}
  50%{box-shadow:6px 6px 0 #0a0a0a,0 0 0 14px rgba(255,224,56,0)}
}

/* ---- 4. タグ(TSUBASA'S PORTFOLIO): 点滅ネオン ---- */
.tag{
  animation:tagFlicker 2.6s ease-in-out infinite;
  box-shadow:0 0 0 0 rgba(255,61,127,.6);
}
@keyframes tagFlicker{
  0%,100%{box-shadow:0 0 0 0 rgba(255,61,127,.55),3px 3px 0 #0a0a0a}
  50%{box-shadow:0 0 0 10px rgba(255,61,127,0),3px 3px 0 #0a0a0a}
}

/* ---- 5. タコ: ぷるぷる + 回転 ---- */
.octo-stage{animation:octoBounce 3.2s ease-in-out infinite}
.octo{animation:octoSpin 8s ease-in-out infinite}
@keyframes octoBounce{
  0%,100%{transform:translateY(0) scale(1)}
  50%{transform:translateY(-18px) scale(1.04)}
}
@keyframes octoSpin{
  0%,100%{transform:rotate(-6deg)}
  25%{transform:rotate(4deg) scale(1.02)}
  50%{transform:rotate(-3deg)}
  75%{transform:rotate(6deg) scale(.98)}
}

/* ---- 6. ボタン: 虹色グロー + ぷるぷる ---- */
.btn-primary{
  position:relative;overflow:visible;
  animation:btnGlow 2.2s ease-in-out infinite;
}
@keyframes btnGlow{
  0%,100%{box-shadow:6px 6px 0 #0a0a0a,0 0 0 0 rgba(255,61,127,.6)}
  50%{box-shadow:6px 6px 0 #0a0a0a,0 0 30px 6px rgba(255,61,127,.55)}
}
.btn-primary:hover{animation:btnShake .4s ease-in-out infinite}
@keyframes btnShake{
  0%,100%{transform:translate(-3px,-3px) rotate(0)}
  25%{transform:translate(-5px,-4px) rotate(-1.5deg)}
  75%{transform:translate(-1px,-5px) rotate(1.5deg)}
}
.btn-primary span{display:inline-block;animation:arrowDash 1.2s ease-in-out infinite}
@keyframes arrowDash{0%,100%{transform:translateX(0)}50%{transform:translateX(6px)}}

/* ---- 7. セクションタイトル: グラデスウィープ ---- */
.section-title{
  background:linear-gradient(90deg,#0a0a0a 0%,#0a0a0a 40%,#ff3d7f 50%,#0a0a0a 60%,#0a0a0a 100%);
  background-size:250% 100%;
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
  animation:titleSweep 4s linear infinite;
}
@keyframes titleSweep{0%{background-position:200% 0}100%{background-position:-50% 0}}

/* contact の見出しは白ベタに戻す(暗背景で埋もれるため) */
.contact .section-title,
.contact-title{
  background:none!important;
  -webkit-text-fill-color:#fff!important;
  color:#fff!important;
  animation:contactTitleGlow 3s ease-in-out infinite;
}
@keyframes contactTitleGlow{
  0%,100%{text-shadow:0 0 0 rgba(255,233,122,0),4px 4px 0 rgba(255,61,127,.6)}
  50%{text-shadow:0 0 24px rgba(255,233,122,.7),4px 4px 0 rgba(255,61,127,.9)}
}

/* ---- 8. eyebrow: タイプライター風ブリンク ---- */
.eyebrow::after{
  content:"_";margin-left:2px;animation:blink 1s steps(2) infinite;
}
@keyframes blink{50%{opacity:0}}

/* ---- 9. strength-card: 虹色ボーダーグロー ---- */
.strength-card{position:relative;transition:transform .3s ease}
.strength-card::before{
  content:"";position:absolute;inset:-3px;border-radius:inherit;
  background:linear-gradient(135deg,#ff3d7f,#ffbe0b,#3ddc97,#3a86ff,#b74bff,#ff3d7f);
  background-size:300% 300%;
  z-index:-1;opacity:0;transition:opacity .3s ease;
  animation:rainbowSlide 4s linear infinite;
}
.strength-card:hover{transform:translateY(-10px) rotate(-1deg) scale(1.03)}
.strength-card:hover::before{opacity:1}
.strength-card .num{animation:numFloat 3s ease-in-out infinite}
@keyframes numFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
.strength-card .icon{display:inline-block;animation:iconSpin 4s ease-in-out infinite}
@keyframes iconSpin{
  0%,100%{transform:rotate(0) scale(1)}
  25%{transform:rotate(15deg) scale(1.15)}
  75%{transform:rotate(-15deg) scale(1.15)}
}

/* ---- 10. Claude banner: 背景キラキラ ---- */
.claude-banner{position:relative;overflow:hidden}
.claude-banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(115deg,transparent 30%,rgba(255,255,255,.25) 50%,transparent 70%);
  background-size:250% 100%;
  animation:shine 3.5s linear infinite;
}
@keyframes shine{0%{background-position:200% 0}100%{background-position:-100% 0}}
.claude-banner-deco span{animation:decoPop 2.4s ease-in-out infinite}
.claude-banner-deco span:nth-child(2){animation-delay:.3s}
.claude-banner-deco span:nth-child(3){animation-delay:.6s}
@keyframes decoPop{
  0%,100%{transform:translateY(0) rotate(-2deg);box-shadow:3px 3px 0 #0a0a0a}
  50%{transform:translateY(-8px) rotate(3deg);box-shadow:3px 8px 0 #0a0a0a}
}

/* ---- 11. work-card: ホバーで派手に ---- */
.work-card{transition:transform .35s cubic-bezier(.34,1.56,.64,1)}
.work-card:hover{transform:translateY(-12px) rotate(-.8deg) scale(1.02)}
.work-card:hover .badge{animation:badgeSpin .6s ease}
@keyframes badgeSpin{
  0%{transform:rotate(0) scale(1)}
  50%{transform:rotate(180deg) scale(1.3)}
  100%{transform:rotate(360deg) scale(1)}
}

/* ---- 12. tone-switch: レインボーリング ---- */
.tone-switch{
  box-shadow:5px 5px 0 #0a0a0a,0 0 0 0 rgba(255,61,127,.6);
  animation:toneGlow 2.4s ease-in-out infinite;
}
@keyframes toneGlow{
  0%,100%{box-shadow:5px 5px 0 #0a0a0a,0 0 0 0 rgba(255,61,127,.55)}
  50%{box-shadow:5px 5px 0 #0a0a0a,0 0 0 10px rgba(255,61,127,0)}
}
.tone-switch button.active{animation:toneActive 1.8s ease-in-out infinite}
@keyframes toneActive{
  0%,100%{transform:scale(1)}
  50%{transform:scale(1.08)}
}

/* ---- 13. リビールを派手にバウンド ---- */
.reveal{opacity:0;transform:translateY(60px) scale(.85) rotate(-2deg)}
.reveal.in{
  opacity:1;transform:none;
  transition:opacity .8s ease,transform 1s cubic-bezier(.34,1.56,.64,1);
}

/* ---- 14. マーキー: ホバーで加速 ---- */
.marquee:hover .marquee-track{animation-duration:6s}
.marquee-track span:nth-child(even){
  animation:starSpin 2s linear infinite;display:inline-block;
}
@keyframes starSpin{to{transform:rotate(360deg)}}

/* ---- 15. コンタクトフォーム: 入力でピカッ ---- */
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus{
  animation:inputPop .5s ease;
}
@keyframes inputPop{
  0%{box-shadow:0 0 0 0 rgba(255,233,122,.9)}
  100%{box-shadow:4px 4px 0 #0a0a0a,0 0 0 12px rgba(255,233,122,0)}
}

/* ---- 16. フレーム内(プレビュー)ではアニメ控えめに ---- */
.in-frame .hero,
.in-frame .hero::before,
.in-frame .hero-title,
.in-frame .section-title,
.in-frame .btn-primary,
.in-frame .tag,
.in-frame .claude-banner::after{animation:none!important}
.in-frame .hero-title,.in-frame .section-title{
  -webkit-text-fill-color:#0a0a0a;color:#0a0a0a;background:none;
}

/* ---- 17. アクセシビリティ: 動きを減らす設定を尊重 ---- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
  }
  .reveal{
    opacity:1!important;
    transform:none!important;
    transition:none!important;
  }
}