:root {
  --color-ink: #53240e;
  --milk-color:#fdfaf0;
  --bg-color:#693218;
  --color-mocha: #3a231d;
  --color-mocha-light: #5a3c32;
  --color-accent: #ff9b38;
  --color-accent-soft: rgba(250, 153, 27, 0.382);
  --color-highlight: #ffb482;
  --color-text: #281915;
  --color-muted: rgba(40, 25, 21, 0.64);
  --color-line: rgba(40, 25, 21, 0.12);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 12px;
  --shadow-soft: 0 24px 60px rgba(35, 16, 8, 0.18);
  --shadow-card: 0 18px 40px rgba(58, 35, 29, 0.16);
  --font-sans: "Zen Kaku Gothic New", sans-serif;
  --font-serif: "Nanum Myeongjo", serif;
  --max-width: min(1100px, 88vw);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-serif);
  background: var(--milk-color);
  color: var(--color-text);
  line-height: 1.65;
  font-size: 16px;
}

.milk-logo{

position:absolute;

width:200px;
height:auto;

z-index:10;

opacity:0;

animation:fadeInLogo 1.5s ease-out 0.5s forwards;

}

.milk-logo img{

width:100%;
height:auto;

}

/* Milk Layer */

.milk-fill{

position:absolute;

bottom:-130%;

width:120%;
height:110%;

background-color:var(--milk-color);

z-index:20;

animation:fillUp 3s ease-in-out 2s forwards;

}

/* Wave */

.wave{

position:absolute;

top:-78px;

width:200%;
height:80px;

fill:var(--milk-color);

}

/* Animations */

@keyframes fadeInLogo{

from{
opacity:0;
transform:scale(0.9);
}

to{
opacity:1;
transform:scale(1);
}

}

@keyframes fillUp{

0%{bottom:-130%;}
100%{bottom:0%;}

}

.wave-anim{

animation:waveMove 1s linear infinite;

}

@keyframes waveMove{

0%{transform:translateX(0);}
100%{transform:translateX(-30px);}

}

.opening{
position:fixed;
inset:0;

background:var(--bg-color);

display:flex;
align-items:center;
justify-content:center;

z-index:9999;

animation:heroFade 1s ease 5s forwards;
}

@keyframes heroFade{
to{
  opacity:0;
  visibility: hidden;
  }
}


img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container_accent {
  width: 100%;
  background-color: var(--color-mocha-light);
  margin: 0 auto;
  padding: 1.5rem 1.5rem;
}


h1{
  font-family: var(--font-serif);
  font-weight: 600;
  margin: 0 0 0.75rem;
  color: var(--milk-color);
  line-height: 1.2;
  letter-spacing: 2px;
}


h2,
h3 {
  font-family: var(--font-serif);
  font-weight: 550;
  margin: 0 0 0.75rem;
  color: var(--color-ink);
  line-height: 1.2;
  letter-spacing: 2px;
  
}

p {
  margin: 0 0 1.15rem;
}

.section-pad {
  padding: 6rem 0;
}

.section-heading {
  max-width: 640px;
  margin-bottom: 3rem;
}

.section-heading_accent {
  max-width: 640px;
  margin-bottom: 3rem;
}

.eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 0.75rem;
  font-family: var(--font-sans);
}

.primary {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.8rem;
  background: var(--color-accent);
  color: var(--color-ink);
  border-radius: 999px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  box-shadow: 0 14px 30px var(--color-accent-soft);
}

.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 38px var(--color-accent-soft);
}

.ghost {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 0.9rem 1.8rem;
  border-radius: 999px;
  border: 1px solid var(--milk-color);
  color: var(--milk-color);
  transition: border-color 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.ghost:hover {
  border-color: var(--color-accent);
  background: var(--color-accent);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(246, 239, 228, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.5rem;
}

.site-header[data-has-shadow] {
  border-color: rgba(58, 35, 29, 0.08);
  box-shadow: 0 10px 30px rgba(27, 15, 10, 0.1);
}

.logo_01{
  margin-right: auto;
}

.logo_01 img{
  display: block;
  height: auto;
  width: clamp(0px, 35vw, 160px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

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

.brand-text {
  display: grid;
  gap: 0.1rem;
}

.brand-name {
  font-size: 1rem;
  letter-spacing: 0.04em;
}

.brand-tagline {
  font-size: 0.7rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.site-nav ul {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.95rem;
}

.site-nav a {
  position: relative;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.4rem;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  border-radius: 999px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.site-nav a:hover::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 0.65rem 1.4rem;
  border: 1px solid rgba(40, 25, 21, 0.24);
  border-radius: 999px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 0.3rem;
  background: transparent;
  border: none;
  padding: 0.3rem;
  cursor: pointer;
}

.nav-toggle-line {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--color-ink);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle.is-open .nav-toggle-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle.is-open .nav-toggle-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open .nav-toggle-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.hero {
  padding: 7rem 0 6rem;
  background-image: url("B05FE293-2AD8-413F-BFC6-C44A78B03AE5.PNG");
  background-size: cover;       /* 画面いっぱいに拡大 */
  background-position: 20% center;  /* 写真の中心を表示 */
  background-repeat: no-repeat; /* 繰り返し防止 */
}

.hero-content {
  background: rgba(0, 0, 0, 0.147); 
  padding: 1.5rem;
  display: inline-block;
  backdrop-filter: blur(3px); /* 背景を少しぼかす(対応ブラウザのみ) */
}

.hero-grid {
  display: grid;
  gap: 4rem;
  align-items: center;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 2.5rem);
  line-height: 50px;
}

.hero-copy p {
  font-size: clamp(13px, 1vw, 16px);
  max-width: 520px;
  color: var(--milk-color);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 2rem 0 2.5rem;
}

.hero-canvas {
  position: relative;
  display: grid;
  gap: 1.5rem;
}

.hero-card {
  padding: 2rem;
  background: #fff7ec;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.hero-card--accent {
  background: linear-gradient(135deg, rgba(58, 35, 29, 0.95), rgba(58, 35, 29, 0.78));
  color: #fdfbf7;
}

.hero-card--accent h2 {
  color: inherit;
}

.hero-card-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(253, 251, 247, 0.7);
  font-family: var(--font-sans);
}

.hero-card--secondary {
  background: linear-gradient(135deg, rgba(250, 153, 27, 0.5), rgba(250, 153, 27, 0.1));
  border: 1px solid var(--color-accent-soft);
}

.concerns-list{
  display: grid;
  gap: 20px;
  max-width: 900px;
  margin: auto;
}

.concern{
  background: white;
  padding-top: 2rem;
  padding-bottom: 1rem;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 2.4rem 2.1rem;
  border: 1px solid rgba(40, 25, 21, 0.06);
  box-shadow: 0 18px 50px rgba(27, 15, 10, 0.08);
  display: grid;
  gap: 1.2rem;
}

.card-icon {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: rgba(58, 35, 29, 0.25);
}

.card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--color-muted);
}

.process {
  background: rgba(255, 251, 244, 0.95);
}

.timeline {
  max-width: var(--max-width);
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.timeline-arrow{
  color: var(--color-mocha);
  text-align: center;
  font-size: larger;
  transition: transform 0.3s ease;
}


.timeline-item {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 2.4rem 2.1rem;
  box-shadow: 0 18px 50px rgba(35, 29, 26, 0.355);
  margin: 1rem;
  transition: transform 0.3s ease;
  color: var(--milk-color);
  -webkit-text-stroke-width: 0.5px;
  -webkit-text-stroke-color: var(--milk-color);
  min-height: 15rem;
  background-repeat: none;
  -webkit-text-stroke-color: var(--milk-color);
  -webkit-text-stroke-width: 0.5px;
}

.timeline-item::before{
  content: "";
  position: absolute;
  inset: 0 ;
  background: inherit;
  background-size: inherit;
  background-position: inherit;
  background-repeat: inherit;
  filter: blur(2px);
  z-index: 0;
}

.timeline-item::after{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.279));
  z-index: 1;
}

.timeline-item * {
  position: relative;
  z-index: 2;
}

.timeline-item.hear{
  background-image: url(IMG_hear.jpeg);
  background-size: cover;
  background-position: center;
  height: 100%;
}

.timeline-item.think{
  background-image: url(IMG_think.jpg);
  background-size: cover;
  background-position: center;
  height: 100%;
}

.timeline-item.create{
  background-image: url(IMG_create.jpeg);
  background-size: cover;
  background-position: center;
  height: 100%;
}

.timeline-item.deliver{
  background-image: url(IMG_deliver.jpg);
  background-size: cover;
  background-position: center;
  height: 100%;
}


.timeline-item h3{
  color: var(--milk-color);
}


.timeline-number {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.aboutme-context {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  margin: 0 auto;
  max-width: 1200px;
  width: 100%;
}

@media (max-width: 768px) {
  .aboutme-context {
    flex-direction: column;
    align-items: center;
  }

  .icon {
    width: 80%;
    text-align: center;
  }
  

  .aboutme-text {
    width: 90%;
    margin-top: 1rem;
  }
}

.portfolio-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.portfolio-card {
  padding: 2.2rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 251, 244, 0.8));
  border: 1px solid rgba(58, 35, 29, 0.08);
  box-shadow: 0 18px 46px rgba(58, 35, 29, 0.1);
  display: grid;
  gap: 1.1rem;
}

.portfolio-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-muted);
}

.testimonials {
  background: #fffaf2;
}

.testimonial-carousel {
  position: relative;
  overflow: hidden;
  display: flex;
  gap: 2rem;
  scroll-behavior: smooth;
}

.testimonial-card {
  min-width: min(360px, 82vw);
  padding: 2.4rem;
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(40, 25, 21, 0.06);
  box-shadow: 0 16px 40px rgba(27, 15, 10, 0.08);
  display: grid;
  gap: 1.5rem;
}

.testimonial-card blockquote {
  margin: 0;
  font-style: italic;
  color: var(--color-ink);
}


.testimonial-card .role {
  display: block;
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-top: 0.3rem;
}

.testimonial-controls {
  margin-top: 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-controls button {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: var(--color-accent);
  color: var(--color-ink);
  font-size: 1.1rem;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.testimonial-controls button:hover {
  transform: translateY(-2px);
}

.testimonial-controls .dots {
  display: flex;
  gap: 0.5rem;
}

.testimonial-controls .dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(40, 25, 21, 0.2);
  transition: transform 0.25s ease, background 0.25s ease;
}

.testimonial-controls .dots span[data-active="true"] {
  background: var(--color-accent);
  transform: scale(1.2);
}

.cta-banner {
  padding: 5rem 0;
  background: radial-gradient(circle at left, var(--color-accent-soft), transparent 60%);
}

.cta-banner-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.contact-grid {
  display: grid;
  gap: 3rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.contact-details {
  display: grid;
  gap: 0.5rem;
  margin-top: 1.5rem;
  color: var(--color-muted);
}

.contact-form {
  background: white;
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: 1.4rem;
  border: 1px solid rgba(40, 25, 21, 0.08);
}

.contact-form p {
  display: grid;
  gap: 0.5rem;
}

.contact-form input,
.contact-form textarea {
  border: 1px solid rgba(40, 25, 21, 0.18);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  font: inherit;
  transition: border 0.2s ease, box-shadow 0.2s ease;
  resize: vertical;
}
.contact-form input[type="checkbox"] {
  appearance: none; 
  width: 0.8rem;
  height: 0.8rem;
  border: 1px solid rgba(40, 25, 21, 0.4);
  border-radius: 0.25rem;
  display: inline-block;
  vertical-align: middle;
  position: relative;
  margin: 0; 
  flex-shrink: 0; 
}

.contact-form input[type="checkbox"]:checked {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.contact-form input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  top: 1px;
  left: 2px;
  width: 2px;
  height: 4px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-soft);
}

.contact-form fieldset {
  border: 1px dashed rgba(40, 25, 21, 0.18);
  border-radius: var(--radius-sm);
  padding: 1.3rem 1.5rem;
  display: grid;
  gap: 0.75rem;
}

.contact-form legend {
  padding: 0 0.5rem;
}

.contact-form fieldset label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  justify-content: flex-start;
}

.contact-form button {
  justify-self: start;
}

.form-note {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin: 0;
}

.contact-form,
.contact-form fieldset,
.contact-form input,
.contact-form textarea {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.site-footer {
  background: var(--color-mocha);
  color: rgba(253, 247, 236, 0.9);
  padding: 3.5rem 0;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.footer-brand {
  display: grid;
  gap: 0.4rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-size: 0.95rem;
}

.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: none;
  background: var(--color-accent);
  color: var(--color-ink);
  font-size: 1.3rem;
  cursor: pointer;
  box-shadow: 0 18px 38px var(--color-accent-soft);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.back-to-top[data-visible="true"] {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(-4px);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-reveal][data-visible="true"] {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 960px) {
  .site-nav {
    position: fixed;
    inset: 0 0 auto;
    top: 70px;
    flex-direction: column;
    background: rgba(246, 239, 228, 0.98);
    padding: 1.5rem;
    transform: translateY(-10px) scaleY(0.9);
    transform-origin: top;
    opacity: 0;
    pointer-events: none;
    gap: 1.2rem;
    border-bottom: 1px solid rgba(40, 25, 21, 0.08);
    box-shadow: 0 24px 40px rgba(27, 15, 10, 0.12);
  }

  .site-nav[data-open="true"] {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scaleY(1);
  }

  .site-nav ul {
    flex-direction: column;
    gap: 1rem;
    width: 100%;
  }

  .nav-cta {
    width: 100%;
    text-align: center;
  }

  .nav-toggle {
    display: flex;
  }

  body[data-nav-open="true"] {
    overflow: hidden;
  }
}

@media (max-width: 720px) {
  .section-pad {
    padding: 4.5rem 0;
  }

  .hero {
    padding-top: 6rem;
  }

  .site-header .container {
    padding: 1rem 1.2rem;
  }

  .contact-form {
    padding: 2rem;
  }

  .testimonial-card {
    min-width: min(320px, 86vw);
  }

  .hero-actions {
    width: 100%;
  }

  .hero-actions .primary,
  .hero-actions .ghost {
    flex: 1 1 auto;
    justify-content: center;
  }

  .hero-stats dt {
    font-size: 1.6rem;
  }
  
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
}